CN101881365B - Interlockable stand for screen rotation and height adjustment - Google Patents

Abstract

The invention relates to a support frame which can interlock screen rotation and height adjustment.A guide groove is arranged on the support frame, and the lower end of the guide groove is connected with an enlarged hole; a sliding part movably combined on the bracket, a screen is combined by a first pivot, and the tail end of the first pivot is provided with a locking part which is combined with the enlarged hole and is provided with a wide edge and a narrow edge; when the screen is in a horizontal state at the lowest position, the locking part of the first pivot is positioned in the expanding hole, the narrow edge of the locking part is aligned with the guide groove, the locking part can move up and down in the guide groove to adjust the height of the screen, and the screen cannot be rotated to be vertical when the height of the screen is increased; when the screen rotates to be vertical at the lowest position, the wide edge of the first pivot locking part is blocked at the lower end of the guide groove, so that the screen cannot be heightened; therefore, the vertical screen can only be kept at the lowest position to maintain the overall stability and avoid toppling.

Description

Interlockable stand for screen rotation and height adjustment

technical field

The invention relates to a support frame, in particular to a support frame for supporting a screen so that the rotation and height adjustment of the screen can be interlocked.

Background technique

With the widespread use of flat-panel displays, the functions of the supporting frame for supporting the display screen are becoming more and more complete and diversified, such as adjusting the elevation angle, rotating left and right, or adjusting the height. Generally, the screen is mostly horizontal when used, and the display screen is also horizontal. When viewing a vertical file, picture or screen, the screen will be shrunk and it will be inconvenient. For the convenience of viewing the screen, the screen must be rotated from a horizontal state to a vertical state through the rotation function of the support frame. However, after the screen is rotated to a vertical state, the center of gravity is raised and it is less stable. If the screen has a lifting function, Then it is easy to topple over when the height of the screen turned into a vertical state is raised.

Therefore, the present invention solves the above-mentioned problem that the screen is easy to fall when the height is raised in the vertical state.

Contents of the invention

The main purpose of the present invention is to provide a support frame that can interlock the screen rotation and height adjustment, and control whether the screen can be rotated to a vertical state by the specific height of the screen, and at the same time, the screen can be rotated horizontally or vertically to control whether its height can be adjusted, so that the screen rotation and height adjustment can be interlocked. In this way, when the screen is in a vertical state, the height of the screen cannot be raised; and when the height of the screen rises, the screen cannot be turned into a vertical state; the vertical screen can only be kept at the lowest position to maintain overall stability and avoid tipping .

Another object of the present invention is to provide a support frame that can interlock screen rotation and height adjustment, and the sliding part used to combine the screen is pivotally connected by a front frame body and a rear frame body with a second pivot As a result, the screen fixed on the front frame can adjust the tilting angle through the second pivot.

In order to achieve the above purpose, the technical means adopted by the present invention to make the screen rotation and height adjustment interlockable support frame include:

A bracket, slide rails are arranged on both sides thereof, and a guide groove is arranged on the bracket, and an enlarged hole is connected to the lower end of the guide groove.

A sliding part is used to combine with a screen, and its two sides are movably combined with the slide rail respectively by a slider, which can move up and down in the slide rail. The shaft is combined with the screen on the front side of the slider, and the end of the first pivot has a locking part, and the locking part is combined with the guide groove, which forms a wide side and a narrow side, the narrow side is smaller than the guide groove Width, the wide side is larger than the width of the guide groove and smaller than the enlarged hole.

When the screen is in a horizontal state at the lowest position, the locking part of the first pivot is located in the enlarged hole, and the narrow side of the locking part is aligned with the guide groove, and the first pivot can move up and down in the guide groove to adjust the screen height, and when the height of the screen rises, the screen cannot be turned vertically. When the screen is rotated to a vertical state at the lowest position, the wide side of the first pivot locking part blocks the lower end of the guide groove, so that the screen cannot be adjusted in height.

The bracket is provided with elongated through holes on both sides of the guide groove. The sliding member includes a front frame body with two side plates and a rear frame body with two side plates. The rear frame body is pierced by the side plates. Through the through hole, it is pivotally connected to the side plate of the front frame with two second pivots. The screen is fixed on the front frame, and the tilting angle can be adjusted through the second pivot.

Another technical means adopted by the present invention to make the screen rotation and height adjustment interlockable support frame include:

A support has slide rails on both sides, and a straight convex rail is provided on the support.

A sliding part is used to combine with a screen, and its two sides are movably combined with the slide rail respectively by a slider, which can move up and down in the slide rail. The shaft combines the screen with the slider, and the end of the first pivot has a locking part. Fit the ledge.

When the screen is in a horizontal state at the lowest position, the groove of the first pivot locking part is aligned with the protruding rail, and the first pivot can move up and down on the protruding rail to adjust the height of the screen, and when the height of the screen rises, the screen cannot rotate vertically. When the screen is rotated to a vertical state at the lowest position, the stop portion of the first pivotal locking portion stops against the lower end of the protruding rail, so that the screen cannot be adjusted in height.

In order to further understand the features, technical means, and achieved specific functions and objectives of the present invention, more specific embodiments are enumerated hereafter, followed by detailed description with accompanying drawings.

Description of drawings

Fig. 1 is a front perspective view of a preferred embodiment of the present invention.

Fig. 2 is a rear perspective view of a preferred embodiment of the present invention.

Fig. 3 is an exploded view of the front view components of the present invention.

Fig. 4 is an exploded view of the rear view components of the present invention.

Fig. 5 is a schematic diagram of the combined screen of the present invention.

Fig. 6 is a schematic rear view of the screen in the lowest position in a horizontal state according to the present invention.

Fig. 7 is a rear view schematic diagram of raising the screen according to the present invention.

Fig. 8 is a schematic rear view of the screen rotated to a vertical state according to the present invention.

Fig. 9 is an exploded view of another embodiment of the present invention.

Fig. 10 is a schematic front view of another embodiment of the present invention, in which the screen is in a horizontal state at the lowest position.

Fig. 11 is a schematic front view of raising the screen according to another embodiment of the present invention.

Fig. 12 is a schematic front view of another embodiment of the present invention to rotate the screen to a vertical state.

[Description of main component symbols]

1. Bracket 11. Slide rail

12. Guide groove 13. Enlarging hole

14. Through hole 15. Seat

16. Convex rail 2. Slider

21. Front frame body 210. Shaft hole

211. Opening hole 22. Rear frame body

220. Shaft hole 23. Second pivot

231. Mandrel 232. Gasket

233. Nut 234. Shrapnel

235. Gasket 24. Slider

25. First pivot 250. Lock joint

251, wide side 252, narrow side

253. Ring groove 254. Groove

255. Stop part 26. Gasket

27. Fastening piece 3. Constant force spring

31. Terminal 4. Combination plate

5. Screen

Detailed ways

Please refer to FIGS. 1-4 , which are the front perspective view, the rear perspective view, the exploded view of the front components and the exploded view of the rear components of the preferred embodiment of the present invention.

The interlocking support frame for screen rotation and height adjustment in the present invention includes a support 1, slide rails 11 are provided on both sides of the rear side, and a lifting guide groove 12 is arranged in the middle of the support 1, and an enlarged hole 13 is connected to the lower end of the guide groove 12. , The enlarged hole 13 can be an elongated hole. Two sides of the guide groove 12 are further provided with elongated through holes 14 . A sliding part 2, both sides are movably combined with the slide rail 11, can move up and down in the slide rail 11, the sliding part 2 includes a front frame body 21 and a rear frame body 22 pivotally connected to the front frame body 21, The front frame body 21 and the rear frame body 22 each have two side plates, and these side plates are respectively provided with shaft holes 210, 220; The side plates 21 are overlapped, and two second pivots 23 pass through the shaft holes 210 and 220 of these side plates respectively to pivotally connect the front frame body 21 and the rear frame body 22 .

A slide block 24 is respectively fixed on the outside of the side plate of the rear frame body 22, and the slide block 24 is movably combined in the slide rail 11, so that the slide member 2 can move up and down on the slide rail 11. A certain force spring 3 is provided between the support 1 and the slider 2 to provide an auxiliary force for rising. The constant force spring 3 is placed on a seat 15 at the upper end of the rear side of the support 1, and the end 31 is fixed to the support 1 by screws. On the rear frame body 22, as shown in Figure 5.

The front frame body 21 of the slider 2 is provided with an opening 211, a first pivot 25 passes through a connecting plate 4 for locking the screen 5, as shown in FIG. 5, and the opening 211 of the front frame body 21 , combine the connecting plate 4 on the sliding member 2 , a spacer 26 is provided between the connecting plate 4 and the sliding member 2 , and the screen 5 is combined on the sliding member 2 by being locked on the connecting plate 4 . A ring groove 253 is provided on the first pivot shaft 25. After the first pivot shaft 25 passes through the front frame body 21, it is fastened to the ring groove 253 by a fastening piece 27, so that the first pivot shaft 25 is positioned and combined with the On the front frame body 21.

The end of the first pivot 25 has a locking portion 250 , and the locking portion 250 is combined with the enlarged hole 13 and the guiding groove 12 . The locking part 250 is formed with a wide side 251 and a narrow side 252 by means of two cutting planes, the narrow side 252 is smaller than the width of the guide groove 12, the wide side 251 is larger than the width of the guide groove 12, and smaller than the width of the enlarged hole 13, which can be It is accommodated in the enlarged hole 13 . Therefore, when the locking portion 250 is located in the enlarged hole 13 and its narrow side 252 is aligned with the guide groove 12 , the first pivot 25 can move up and down in the guide groove 12 and cannot rotate in the guide groove 12 . And when the first pivot 25 rotates in the enlarged hole 13, when the wide side 251 of the locking part 250 is aligned with the guide groove 12, the wide side 251 stops at the lower end of the guide groove 12, so that the first pivot 25 cannot move forward. move up.

The second pivot 23 includes a mandrel 231 passing through the shaft holes 210, 220 of the front frame body 21 and the rear frame body 22. Two washers 232 are sleeved on the mandrel 231, and a nut 233 is locked at the end. An elastic piece 234 is provided between the spacers 232 , and a spacer 235 is further provided between the side panels of the front frame body 21 and the side panels of the rear frame body 22 . Through the second pivot 23 , the front frame body 21 can rotate relative to the rear frame body 22 , so that the screen 5 combined with the front frame body 21 can adjust the tilting angle.

Please refer to FIG. 6 , when the screen 5 is at the lowest position, the locking portion 250 of the first pivot 25 is located in the enlarged hole 13 at the lower end of the guide groove 12 . When the screen 5 is in a horizontal state, the narrow side 252 of the locking part 250 is aligned with the guide groove 12, the first pivot 25 can move up and down in the guide groove 12, and the screen 5 can be moved on the slide rail by the slider 24 of the slider 2. 11, and the height is adjusted by lifting, as shown in Figure 7. And when the height of the screen 5 rises, because the wide side 251 of the first pivot 25 is larger than the width of the guide groove 12, the first pivot 25 cannot rotate, therefore, the screen cannot be rotated into a vertical state when the height of the screen is raised, so as to avoid instability and topple over .

Please refer to Fig. 8, when the screen 5 is at the lowest position, the locking portion 250 of the first pivot 25 is located in the enlarged hole 13 at the lower end of the guide groove 12, and since the wide side 251 of the locking portion 250 is smaller than the enlarged hole 13, the first The pivot 25 can be rotated in the enlarged hole 13 to rotate the screen 5 from a horizontal state to a vertical state, and the first pivot 25 is rotated from the narrow side 252 to the guide groove 12 so that the wide side 251 is aligned to the guide groove 12. The side 251 is larger than the width of the guide groove 12 and is blocked by the guide groove 12. Therefore, after the screen is rotated into a vertical state, it cannot be raised and the height cannot be adjusted.

Please refer to FIG. 9 , which is an exploded view of another embodiment of the present invention. In this embodiment, the guide groove 12 is changed to the convex rail 16, and the locking part 250 of the first pivot 25 is changed to a groove 254 in the middle, and stopper parts 255 are formed on both sides of the groove 254. The groove 254 It can be embedded in the convex rail 16 to move up and down along the convex rail 16 .

Please refer to FIG. 10 , when the screen 5 is at the lowest position, the locking portion 250 of the first pivot 25 is located below the protruding rail 16 . When the screen 5 is in a horizontal state, the groove 254 of the locking portion 250 is aligned with the protruding rail 16, and the first pivot 25 can move up and down on the protruding rail 16, so that the height of the screen 5 can be adjusted up and down, as shown in FIG. 11 . And when the height of the screen 5 rises, the groove 254 fits with the protruding rail 16, and the first pivot 25 cannot rotate. Therefore, when the height of the screen is raised, it cannot be rotated into a vertical state, so as to avoid instability and topple over.

Please refer to FIG. 12 , when the screen 5 is at the lowest position, the locking portion 250 of the first pivot 25 is located below the protruding rail 16 . The first pivot 25 can rotate to rotate the screen 5 from a horizontal state to a vertical state, and the first pivot 25 is aligned with the convex rail 16 by the groove 254 and rotated so that the stopper 255 is aligned with the convex rail 16, and stops at the convex rail 16. Track 16. Therefore, after the screen is rotated to a vertical state, it cannot be raised and the height cannot be adjusted.

The slider 2 of the present invention is pivotally connected by the front frame body 21 and the rear frame body 22 via the second pivot 23 , so that the tilting angle of the screen combined with the front frame body 21 can be adjusted. If the angle of inclination is not adjusted, the slider 2 can also be directly set as a frame body, and the slider 24 is fixed on both sides of the frame body, so that the slider 2 is combined with the slide rail 11 of the bracket 1, and the constant force spring 3 ends are then fixed on the frame body.

The present invention controls whether the screen is rotatable by the height of the screen, and at the same time, controls whether the height of the screen can be adjusted by the horizontal or vertical state of the screen rotation, so that the screen rotation and the height adjustment can be interlocked. When the height of the screen is at the lowest position, the screen can be rotated, and other heights cannot be rotated vertically. When the screen is in the horizontal state, the height can be adjusted, but in the vertical state, the height cannot be adjusted. In this way, the vertical screen can only be kept at the lowest position, so as to maintain the overall stability and avoid tipping.

Although the present invention discloses preferred specific embodiments to achieve the above object, it is not intended to limit the structural features of the present invention. Any person of ordinary skill in this technical field should know that under the technical spirit of the present invention, Variations and modifications are possible and are covered by the claims of the present application.

Claims (14)

1. A support frame that enables screen rotation and height adjustment to be interlocked, comprising: A bracket, slide rails are arranged on both sides, and a guide groove is arranged on the bracket, and an enlarged hole is connected to the lower end of the guide groove; A sliding part, both sides are movably combined with the sliding rail, and can move up and down in the sliding rail, and the sliding part is pierced with a first pivot, which is used to combine a screen on the sliding part, and the first pivot The end of the end has a locking part, and the locking part is combined with the enlarged hole, which forms a wide side and a narrow side, the narrow side is smaller than the width of the guide groove, the wide side is larger than the width of the guide groove, and the locking can be accommodated in the enlarged hole; When the screen is in the horizontal state at the lowest position, the first pivot locking part is located in the enlarged hole, and its narrow side is aligned with the guide groove, and can be moved up and down in the guide groove to adjust the height; when the screen is rotated to be vertical In the normal state, the wide side of the locking part of the first pivot is aligned with the guide groove and is blocked by the guide groove, so that the height of the screen cannot be adjusted. 2. The interlockable supporting frame for screen rotation and height adjustment as claimed in claim 1, wherein the locking part of the first pivot is formed by two cutting planes to form the wide side and the narrow side, and the enlarged hole is long shaped hole. 3. The interlockable support frame for screen rotation and height adjustment as claimed in claim 1, wherein the frame is provided with elongated through holes on both sides of the guide groove, and the sliding member includes a front with two side plates The frame body and a rear frame body with two side plates, the rear frame body passes through the through holes with the side plates, and is pivotally connected to the side plates of the front frame body with two second pivots. 4. The interlockable support frame for screen rotation and height adjustment as claimed in claim 3, wherein the second pivot comprises a mandrel passing through the side panels of the front frame body and the rear frame body, and the mandrel The upper sleeve is provided with two gaskets, the ends of which are locked to a nut, and a shrapnel is arranged between the gaskets, and a gasket is arranged between the side plates of the front frame body and the rear frame body. 5. The interlockable support frame for screen rotation and height adjustment as claimed in claim 3, wherein a spring with a certain force is arranged between the frame and the sliding member, and the spring with constant force is placed at the upper end of the rear side of the frame on a socket, and its end is fixed on the rear frame body. 6. The interlockable support frame for screen rotation and height adjustment as claimed in claim 1, wherein an opening is provided on the front side of the slider, and the first pivot passes through a joint plate for locking the screen As well as the opening, the connecting plate is combined with the sliding piece, and a spacer is arranged between the connecting plate and the sliding piece. 7. The interlockable support frame for screen rotation and height adjustment as claimed in claim 1, wherein a ring groove is provided on the first pivot, and after the first pivot passes through the slider, a The fastening piece is fastened to the groove of the ring. 8. The interlockable supporting frame for screen rotation and height adjustment as claimed in claim 1, wherein a sliding block is respectively fixed on both sides of the sliding member, and the sliding block is movably combined in the sliding rail. 9. A support frame that enables screen rotation and height adjustment to be interlocked, comprising: A bracket, slide rails are arranged on both sides, and a straight convex rail is arranged on the bracket; A sliding part, both sides are movably combined with the sliding rail, and can move up and down in the sliding rail, and the sliding part is pierced with a first pivot, which is used to combine a screen on the sliding part, and the first pivot The end of the end has a locking part, the locking part is provided with a groove, the two sides of the groove form stop parts, and the groove can be embedded with the convex rail; When the screen is in the horizontal state at the lowest position, the first pivot locking part is located under the protruding rail, and its groove is aligned with the protruding rail, and can be moved up and down on the protruding rail to adjust the height; when the screen is rotated into a vertical state At this time, the stop part of the first pivot locking part is aligned with the protruding rail, and is stopped by the protruding rail, so that the height of the screen cannot be adjusted. 10. The interlockable support frame for screen rotation and height adjustment as claimed in claim 9, wherein, the frame is provided with elongated through holes on both sides of the guide groove, and the sliding member includes a front with two side plates The frame body and a rear frame body with two side plates, the rear frame body passes through the through holes with the side plates, and is pivotally connected to the side plates of the front frame body with two second pivots. 11. The interlockable support frame for screen rotation and height adjustment as claimed in claim 10, wherein the second pivot comprises a mandrel passing through the side panels of the front frame and the rear frame, and the mandrel The upper sleeve is provided with two gaskets, the ends of which are locked to a nut, and a shrapnel is arranged between the gaskets, and a gasket is arranged between the side plates of the front frame body and the rear frame body. 12. The interlockable support frame for screen rotation and height adjustment as claimed in claim 10, wherein a spring with a constant force is arranged between the frame and the sliding member, and the spring with a certain force is placed on a rear upper end of the frame. on the seat, and its end is fixed on the rear frame body. 13. The interlockable support frame for screen rotation and height adjustment as claimed in claim 9, wherein an opening is provided on the front side of the slider, and the first pivot passes through a joint plate for locking the screen As well as the opening, the connecting plate is combined with the sliding piece, and a spacer is arranged between the connecting plate and the sliding piece. 14. The interlockable support frame for screen rotation and height adjustment as claimed in claim 9, wherein a ring groove is provided on the first pivot, and after the first pivot passes through the slider, a buckle The joint piece is buckled in the groove of the ring. the

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