CN121688458B - Buckled wall switch socket - Google Patents

Abstract

The invention relates to the technical field of switch sockets, in particular to a buckling type wall switch socket which comprises a panel, an electric appliance functional area, a preassembled wiring terminal, a clamping assembly and a mounting assembly, wherein the electric appliance functional area is arranged at the back of the panel and is a switch module or a socket module, the preassembled wiring terminal is electrically connected with the electric appliance functional area, and six bent conductive clamping arms exert uniform and continuous radial initial pressure on a wire metal core by virtue of self elasticity to form first reliable electrical connection.

Description

Buckled wall switch socket

Technical Field

The invention relates to the technical field of switch sockets, and particularly provides a buckled wall switch socket.

Background

The wall switch socket is one of the most widely applied basic electrical components in building electrical engineering, one of the core functions of the wall switch socket is to realize safe and reliable electrical connection between an introduced power line and an internal electrical module, and along with the development of building industrialization, assembly decoration and intelligence, the market has higher requirements on the aspects of connection reliability, installation efficiency and construction friendliness of the switch socket, at present, the main stream wall switch socket in the market mainly depends on screw crimping connection, is the most traditional and still main stream connection mode, and a metal wire pressing frame and screws are arranged on a terminal seat, so that wires are fixed by using pressure generated by screwing screws by a screwdriver.

In long-term use, the screw is easy to loosen due to the influence of thermal expansion and cold contraction caused by environmental vibration and load current change, once loosening is performed, the contact pressure between a wire and a terminal is reduced, the contact resistance is increased, local overheating and accelerated oxidation are caused, further more serious loosening and overheating are caused, vicious circle is formed, potential safety hazards exist, each wiring terminal needs to be subjected to unscrewing-inserting-screwing operation by using a screwdriver, the steps are complicated, the connection quality is highly dependent on the operation moment of an installer, the crimping is not firm due to insufficient moment, the wire core is possibly damaged or the terminal slides due to excessive moment, the quality consistency is difficult to ensure, special tools are generally required for operation, the operation is inconvenient in a narrow space cassette, clear in-place indication is lacked in the installation process, the error correction and maintenance disassembly processes are complicated due to the fact that the experience of workers is judged.

Therefore, there is a need for a snap-fit wall switch socket that can be installed conveniently and quickly, provides multiple mechanical locks and maintains stable electrical contact pressure, and ensures high reliability.

Disclosure of Invention

In order to solve the above-mentioned problems, the present invention provides a snap-fit wall switch socket for solving the above-mentioned problems in the background art.

The invention aims at achieving the purposes, and the technical scheme is that the buckled wall switch socket comprises a panel, an electric appliance functional area, preassembled wiring terminals, clamping assemblies and mounting assemblies, wherein the electric appliance functional area is arranged on the back of the panel, the electric appliance functional area is a switch module or a socket module, the preassembled wiring terminals are electrically connected with the electric appliance functional area, the wiring terminals comprise wiring cavities for connecting external wires, a plurality of elastic conductive clamping arms are arranged in the wiring cavities and are used for applying radial contact pressure to metal cores of the wires after the wires are inserted, the conductive clamping arms are connected through conductive heads, the clamping assemblies are arranged on the surface of the conductive heads and clamped on the surface of the conductive clamping arms, the mounting assemblies are arranged on the surface of the wiring cavities and are used for stably mounting the wiring terminals, the conductive heads are arranged between the conductive clamping arms and clamped through elasticity, the inner walls of the wiring cavities squeeze the clamping assemblies, the conductive clamping arms are indirectly fastened for the second time, and the terminal is stably mounted through the mounting assemblies.

Preferably, the middle part of the conductive clamping arm is bent towards the middle part of the conductive head, and the middle part of the conductive clamping arm abuts against the surface of the metal core of the wire.

Preferably, the plurality of conductive clamp arms are divided into a left group and a right group, two semi-ring sleeves capable of forming a circular ring are arranged at the top of each conductive clamp arm, the left group and the right group of conductive clamp arms are respectively and correspondingly arranged on the two semi-ring sleeves, a plurality of claw teeth with protruding end parts are arranged on the inner sides of the semi-ring sleeves, and the claw teeth are inserted into the insulating layer of the lead.

Preferably, the clamping assembly comprises a plurality of elastic and inclined insulating plates, wherein arc-shaped clamping plates are arranged on the surfaces of the insulating plates and abut against the middle positions of the conductive clamping arms.

Preferably, each clamping plate abuts against the middle parts of two adjacent conductive clamping arms.

Preferably, the ends of the insulating plates are located between adjacent conductive clip arms.

Preferably, a groove is formed in the end portion of the wiring cavity, and the semi-ring sleeve is installed in the groove.

Preferably, the installation component is including seting up the mounting hole at wiring chamber edge, the internally mounted of mounting hole has the installation axle, the surface mounting of installation axle has rotatable mounting panel, the mounting panel supports the surface at the semi-ring cover.

Preferably, the surface of the mounting shaft is provided with a bolt, and the end of the bolt is in threaded connection with the inside of the mounting hole.

Preferably, the insulating plate and the clamping plate are integrally formed.

The technical scheme has the advantages that 1. The invention provides the buckled wall switch socket, by arranging the conductive clamping arms and the clamping assemblies, six bent conductive clamping arms exert uniform and continuous radial initial pressure on the metal cores of the wires by virtue of self elasticity to form first reliable electric connection, when the conductive assemblies are integrally pushed into the wiring cavity, the inner wall of the cavity extrudes the inclined insulating plate to force the clamping plate to exert an extra radial pressing force on the conductive clamping arms, and at the moment, the axial installation force is converted into the optimized force on the electric contact points, so that the installation process, namely the optimized connection, is realized, and the stability of installation and conductivity are ensured.

2. The invention provides a buckled wall switch socket, wherein the position of a bolt is not required to be repeatedly regulated by a screwdriver in the installation process, the process is simplified into pre-plugging of a wire, folding of a semi-ring sleeve, integral pushing of a terminal and rotation of an installation plate, main pushing and rotating locking actions can be completed by one hand, the inconvenience of laborious screwing of the screw in a limited space is avoided, the connection quality is ensured by the precise structure of the product, and the connection quality is ensured to be high in consistency of batch installation quality instead of 'hand feeling' or 'experience' of installation personnel.

Drawings

The invention and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout the several views, and are not intended to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic perspective view of a snap-fit wall switch socket according to the present invention.

Fig. 2 is a schematic partial perspective view of the groove position.

Fig. 3 is a schematic perspective view of the mounting assembly.

Fig. 4 is a schematic view showing a state structure in which the connection terminal holds a wire.

Fig. 5 is a schematic perspective view of the terminal and clamping assembly.

Fig. 6 is a schematic perspective view of the connection terminal.

1, A panel, 2, an electric appliance functional area, 3, a wiring terminal, 31, a wiring cavity, 32, a conductive clamping arm, 33, a conductive head, 4, a wire, 41, a metal core, 42, an insulating layer, 5, a clamping component, 51, an insulating plate, 52, a clamping plate, 6, a mounting component, 61, a mounting hole, 62, a mounting shaft, 63, a mounting plate, 64, a bolt, 7, a semi-ring sleeve, 8, a claw tooth, 9 and a groove.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In order that those skilled in the art will better understand the present invention, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the snap-fit wall switch socket of this embodiment mainly includes a panel 1, an electrical apparatus functional area 2, a preassembled connection terminal 3 and an external connection wire 4, where the panel 1 is injection molded by flame retardant PC material, a switch key or a socket hole is provided on the surface, and a plurality of positioning posts and a snap-fit structure (not shown in the figure) are provided on the back of the panel 1 for fixing the electrical apparatus functional area 2.

The electric appliance functional area 2 can be selected from a single-control switch module, a double-control switch module, a five-hole socket module, a USB charging module or the like according to functional requirements, and all the modules are in modularized design and are connected with the panel 1 through standard interfaces.

As shown in fig. 1, 4-6, the connection terminal 3 includes a connection cavity 31 located on the surface of the electrical appliance functional area 2, in this embodiment, the connection cavity 31 has three interfaces corresponding to the live wire end, the zero wire end and the ground wire end respectively, the connection cavity 31 is cylindrical, and the conductive component is installed at the end of the wire 4 and is inserted into the connection cavity 31 to conduct electricity.

In this embodiment, the conductive assembly includes a conductive head 33 and six conductive clamp arms 32, six conductive clamp arms are uniformly distributed on the circumference of the conductive head 33, the conductive head 33 is made of red copper, the surface is tin-plated, the conductive clamp arms 32 and the conductive head 33 are welded into an integral structure by laser, the middle part of each clamp arm of the conductive clamp arms 32 is convexly curved towards the central axis direction of the conductive head 33, the bending angle is 15-20 degrees, the inner surface of each clamp arm is provided with a transverse knurling structure, when the metal core 41 of the lead 4 is inserted, the bending part of each conductive clamp arm 32 is firstly contacted with a wire core, the conductive clamp arms 32 are outwards opened along with the increase of the insertion depth, continuous radial pressure is generated, and the 6 conductive clamp arms 32 can ensure to form 360-degree full-circumference contact with the metal core 41.

In order to ensure that the contact conduction between the conductive clamping arm 32 and the metal core 41 is stable, the clamping assembly 5 is arranged on the surface of the conductive head 33, the conductive clamping assembly comprises 3 insulating plates 51 which are uniformly distributed at 120 degrees, the clamping plates 52 are integrally injection molded on the surface of the insulating plates 51, the inner surfaces of the clamping plates 52 are arc-shaped, the radius of the clamping plates is matched with the outer diameter of the conductive clamping arm 32, the included angle between the insulating plates 51 and the axis of the wiring cavity 31 is 30 degrees, when the conductive assembly is inserted into the wiring cavity 31, the inner wall of the wiring cavity 31 abuts against the surface of the insulating plates 51, so that the clamping plates 52 abut against the surface of the conductive clamping arm 32, and the contact conduction between the conductive clamping arm 32 and the metal core 41 is more stable.

The inner surface of the clamping plate 52 is provided with a rubber coating layer having a thickness of 0.3mm, which can buffer the impact to the conductive clamping arm 32 and increase the friction.

As shown in fig. 1-4, in order to prevent the terminal 3 from falling off from the end of the wire 4, two semi-ring sleeves 7 are mounted on the top of the conductive clamping arm 32, each semi-ring sleeve 7 is a 180 ° rigid insulating circular arc sheet, on the intrados of each semi-ring sleeve 7, the claw teeth 8 are circumferentially arranged, the tooth shape adopts an asymmetric double-barb tooth shape, each claw tooth 8 is conical, the height of the claw tooth 8 is 0.8mm, the width of the base is 1.0mm, and the claw teeth are sufficient to pierce through the insulating layer 42 and form effective occlusion, and meanwhile, the risk that the inner conductor may be damaged due to the too deep piercing is avoided.

During installation, the two semi-ring sleeves 7 are separated, the distance between the conductive clamping arms 32 can be increased due to elastic effect, the lead 4 can be smoothly inserted into the conductive head 33 to be contacted, the two semi-ring sleeves 7 are loosened, the middle part of the conductive clamping arms 32 can be abutted to the surface of the metal core 41 due to rebound acting force, the two semi-ring sleeves 7 are pressed to enable the end parts of the two semi-ring sleeves 7 to be contacted, the claw teeth 8 on the inner wall of the semi-ring sleeves 7 are clamped in the insulating layer 42, then the claw teeth are directly inserted into the wiring cavity 31, the end part of the wiring cavity 31 is provided with the groove 9, the semi-ring sleeves 7 are positioned in the groove 9, and the surface of the semi-ring sleeves 7 is flush with the top of the groove 9.

In order to further improve the stability of connection, the surface of the wiring cavity 31 is fixedly mounted on the conductive component through the mounting component 6, in this embodiment, the mounting component 6 includes a mounting hole 61, a mounting shaft 62, a mounting plate 63 and a bolt 64, the mounting plate 63 is movably mounted on the surface of the mounting shaft 62, that is, the mounting plate 63 can rotate around the mounting shaft 62, in this embodiment, three groups of mounting holes 61 are provided, each group is four and are uniformly located outside the wiring cavity 31, the mounting shaft 62 is mounted inside the mounting hole 61 and is fixedly mounted by the bolt 64, and when the conductive component is located inside the wiring cavity 31, the mounting plate 63 is rotated to be abutted against the surface of the half-ring sleeve 7.

The invention provides a buckled wall switch socket, firstly, a15 mm insulating layer 42 is stripped from the end part of a wire 4 by using wire stripping pliers, whether a metal core 41 is intact or not is checked, the surface of the metal core 41 is cleaned by alcohol cotton, two semi-ring sleeves 7 are separated, the metal core 41 of the wire 4 is aligned with a guide taper opening of a wiring cavity 31, the wire 4 is slowly pushed until the end part of the metal core 41 contacts a conductive head 33, at the moment, the two semi-ring sleeves 7 are loosened, at the moment, the metal core 41 is surrounded by six conductive clamp arms 32, the two semi-ring sleeves 7 are folded, the insulating layer 42 surrounding the wire 4 is pressed, at the moment, the end parts of the two semi-ring sleeves 7 are contacted, at the moment, the claw teeth 8 are penetrated into the insulating layer 42, whether the wire 4 is firmly checked, a pushing force is applied along the axial direction of the wiring cavity 31, the insulating plate 51 is gradually extruded in the pushing process, the clamping plate 52 is driven to move towards the center, after the complete pushing, the clamping plate 52 generates maximum pressure on the conductive clamp arms 32, finally the mounting plate 63 is rotated by 90 degrees, the vertical part of the mounting plate 63 is pressed on the upper surface of the semi-ring sleeves 7, the mounting plate 63 is not easily loosened by friction force.

It should be noted that, although the present invention adds the connection terminal 3 compared with the prior art, the present invention is a conventional and common mechanical structure, and no high-cost precision part exists, so that the cost of the structure is low, the contact resistance is ensured to be stabilized below 0.5mΩ by a double pressure mechanism of primary clamping and secondary enhancement, the claw tooth 8 design of the semi-ring sleeve 7 provides a tensile resistance of not less than 80N, the installation quality is not affected by the skill of an operator, the modularized design is convenient for maintenance and replacement, and the use cost is reduced.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

The preferred embodiments of the present invention have been described above. It is to be understood that the invention is not limited to the precise embodiments described above, and that various other devices and structures not described in detail may be affected by one of ordinary skill in the art without departing from the scope of the invention, and that various changes and modifications may be effected therein by one of ordinary skill in the art or by other equivalent embodiments without departing from the scope of the invention as defined in the appended claims. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.

Claims (10)

1. A snap-fit wall switch socket, characterized in that it comprises: panel; An electrical function area is located on the back of the panel, and the electrical function area is a switch module or a socket module; Pre-installed terminal blocks for electrical connection to electrical functional areas; The terminal block includes a wiring cavity for connecting external wires. The wiring cavity is equipped with a plurality of elastic conductive clamps. The conductive clamps are used to apply radial contact pressure to the metal core of the wire after the wire is inserted. The plurality of conductive clamps are connected by conductive heads. A clamping assembly is mounted on the surface of the conductive head and clamps the surface of the conductive clamping arm; The mounting assembly is fitted onto the surface of the wiring cavity and is used to stably mount the wiring terminals. The wire is placed between multiple conductive clamping arms and held elastically. The conductive head is placed inside the wiring cavity, and the clamping assembly is squeezed by the inner wall of the wiring cavity. The conductive clamping arms are indirectly tightened by the clamping assembly, and the wiring terminal is stably installed by the mounting assembly. 2. A snap-fit wall switch socket according to claim 1, characterized in that: the middle part of the conductive clamping arm is bent toward the middle part of the conductive head, and the middle part of the conductive clamping arm abuts against the metal core surface of the wire. 3. A snap-fit wall switch socket according to claim 1, characterized in that: the plurality of conductive clamping arms are divided into left and right groups, and two semi-ring sleeves that can form a ring are installed on the top of the conductive clamping arms, the two semi-ring sleeves are respectively installed on the left and right groups of conductive clamping arms, and the inner side of the semi-ring sleeves is provided with a plurality of claw teeth with protruding ends, the claw teeth being inserted into the insulation layer of the wire. 4. A snap-fit wall switch socket according to claim 2, characterized in that: the clamping assembly includes a plurality of elastic and inclined insulating plates, the surface of the insulating plates is provided with arc-shaped clamping plates, and the clamping plates abut against the middle position of the conductive clamping arms. 5. A snap-fit wall switch socket according to claim 4, characterized in that: each of the clamping plates abuts against the middle of two adjacent conductive clamping arms. 6. A snap-fit wall switch socket according to claim 4, characterized in that: the end of the insulating plate is located between adjacent conductive clamps. 7. A snap-fit wall switch socket according to claim 3, characterized in that: a groove is provided at the end of the wiring cavity, and the semi-ring is installed inside the groove. 8. A snap-fit wall switch socket according to claim 7, characterized in that: the mounting assembly includes a mounting hole formed at the edge of the wiring cavity, a mounting shaft is installed inside the mounting hole, a rotatable mounting plate is mounted on the surface of the mounting shaft, and the mounting plate abuts against the surface of the semi-ring sleeve. 9. A snap-fit wall switch socket according to claim 8, characterized in that: a bolt is mounted on the surface of the mounting shaft, and the end of the bolt is threaded into the mounting hole. 10. A snap-fit wall switch socket according to claim 4, characterized in that: the insulating plate and the clamping plate are integrally formed.