CN114111872B

CN114111872B - Coaxial duplex electric brush component

Info

Publication number: CN114111872B
Application number: CN202210096863.8A
Authority: CN
Inventors: 王跃; 陈洪江; 羊春花; 唐培川; 张柯
Original assignee: SICHUAN YONGXING ELECTRONICS CO LTD
Current assignee: SICHUAN YONGXING ELECTRONICS CO LTD
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-04-12
Anticipated expiration: 2042-01-27
Also published as: CN114111872A

Abstract

The invention discloses a coaxial duplex electric brush component, which relates to the technical field of sensors and comprises an inner electric brush component and an outer electric brush component, wherein the outer electric brush component comprises an outer support, an outer mounting end arranged on the outer support and an electric brush arranged on the outer mounting end, and the inner electric brush component comprises an inner support rotationally connected with the outer support, an inner mounting end arranged on the inner support and an electric brush arranged on the inner mounting end. The invention has the beneficial effects that: the scheme is that the outer support and the inner support are connected in a rotating mode, the relative angle position of the outer support and the inner support can be adjusted, so that the angle positions of the two brushes are adjusted, and the synchronous precision of the two output signals can be improved while the two output signals are achieved.

Description

Coaxial duplex electric brush component

Technical Field

The invention relates to the technical field of sensors, in particular to a coaxial duplex electric brush component.

Background

Most of the brush components used for sensors/potentiometers, especially for sensors/potentiometers that can output in a duplex manner only by using a single resistance sheet, are symmetrical double-double brush components, and the brush components generally comprise a shaft sleeve, a brush support and a brush. The brush support is mostly of a 180-degree symmetrical structure, is simple in structure and convenient to use, but can not improve the product synchronization precision by adjusting the position of the brush for a product with higher synchronization precision requirement, and the development of the duplex product is limited to a certain extent.

Therefore, in order to accelerate the development of the duplex products, improve the synchronization precision of the products and enable the synchronization precision to be easily adjusted, how to develop the electric brush component with the adjustable electric brush position is a problem which needs to be solved urgently.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a coaxial duplex electric brush component which can realize the adjustment of the position of an electric brush, thereby being beneficial to improving the synchronization precision of products.

The invention is realized by the following technical scheme: a coaxial duplex brush component comprises an inner brush component and an outer brush component, wherein the outer brush component comprises an outer support, an outer mounting end arranged on the outer support and a brush arranged on the outer mounting end, and the inner brush component comprises an inner support rotationally connected with the outer support, an inner mounting end arranged on the inner support and a brush arranged on the inner mounting end.

Further, in order to better realize the invention, the outer support is of a circular plate-shaped structure, and the inner support is of a circular plate-shaped structure.

Further, in order to better realize the invention, the outer support and the inner support are coaxial.

Further, in order to better realize the invention, an inner sleeve coaxial with the inner support is arranged on the inner support, and the outer support is sleeved on the inner sleeve.

Further, in order to better realize the invention, an outer sleeve matched with the inner sleeve is arranged on the outer bracket.

Furthermore, in order to better realize the invention, the outer bracket is provided with a limiting groove, and the inner mounting end is arranged in the limiting groove.

Further, in order to better realize the invention, the side of the inner mounting end provided with the electric brush is coplanar with the side of the outer mounting end provided with the electric brush.

Further, in order to better implement the present invention, the brushes on the inner mounting end and the brushes on the outer mounting end face in the same rotation direction.

The beneficial effect that this scheme obtained is: the scheme is that the outer support and the inner support are connected in a rotating mode, the relative angle position of the outer support and the inner support can be adjusted, so that the angle positions of the two brushes are adjusted, and the synchronous precision of the two output signals can be improved while the two output signals are achieved.

Drawings

FIG. 1 is a schematic diagram of a coaxial duplex brush assembly;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of an inner brush member;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic view of the construction of the outer brush member;

FIG. 6 is a top view of FIG. 5;

wherein 1-inner brush component, 11-inner sleeve, 12-inner support, 13-inner mounting end, 2-outer brush component, 21-outer sleeve, 22-outer support, 23-outer mounting end, 24-limit groove, 3-brush.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1 and 2, in the present embodiment, a coaxial duplex brush member includes an inner brush member 1 and an outer brush member 2, the outer brush member 2 includes an outer holder 22, an outer mounting end 23 disposed on the outer holder 22, and a brush 3 disposed on the outer mounting end 23, and the inner brush member 1 includes an inner holder 12 rotatably connected to the outer holder 22, an inner mounting end 13 disposed on the inner holder 12, and a brush 3 disposed on the inner mounting end 13.

The outer support 22 is rotatably connected with the inner support 12, and the relative angular position relationship of the two brushes 3 can be adjusted through the relative rotation of the outer support 22 and the inner support 12, so that the positions of the brushes can be adjusted as required to meet the requirement of synchronous precision.

The outer support 22 and the inner support 12 may be plate-shaped, frame-shaped, or circular ring-shaped, as required.

In this embodiment, the outer support 22 has a circular plate-shaped structure, and the inner support 12 has a circular plate-shaped structure. Therefore, the space occupied by the outer support 22 or the inner support 12 in the height direction is smaller, which is beneficial to reducing the space size in the height direction and making the structure simpler. The space occupied in the height direction can be reduced as much as possible even after the outer bracket 22 is assembled with the inner bracket 12.

In this embodiment, the outer support 22 is coaxial with the inner support 12. When the outer support 22 and the inner support 12 are controlled to rotate relatively, the two brushes 3 can rotate by taking the same rotation center as an axis, so that the control accuracy of the two brushes 3 and the relative position accuracy of the two brushes 3 are improved, and the design of a resistor disc is simplified.

In the present embodiment, as shown in fig. 3 and 4, the inner support 12 is provided with an inner sleeve 11 coaxial with the inner support 12, and the outer support 22 is sleeved on the inner sleeve 11. The outer support 22 is sleeved on the inner sleeve 11, so that a certain limiting effect can be achieved on partial freedom of movement and partial freedom of rotation of the outer support 22 by using the inner sleeve 11, and the relative position accuracy of the inner support 12 and the outer support 22 is improved. The outer support 22 and the inner support 12 can rotate relative to each other by the matching installation of the outer ring of the inner sleeve 11 and the outer support 22, and an additional structure is not needed, which is beneficial to simplifying the structure.

In this embodiment, the outer bracket 22 is provided with an outer sleeve 21 which is matched with the inner sleeve 11. By utilizing the matching installation of the inner sleeve 11 and the outer sleeve 21, the area of a contact part can be increased, the connection strength between the outer bracket 22 and the inner bracket 12 can be further improved, the strength and the rigidity of the outer bracket 22 can be enhanced, the strength and the rigidity of the inner bracket 12 can be enhanced, the position precision of the electric brush 3 can be prevented from being changed due to the bending deformation of the outer bracket 22 or the inner bracket 12, and the contact effect of the electric brush 3 is prevented from being deteriorated or losing efficacy.

In this embodiment, the inner sleeve 11 and the outer sleeve 21 may be connected in a damping hinge manner, so as to improve the resistance between the inner sleeve 11 and the outer sleeve 21 while ensuring that the inner sleeve 11 and the outer sleeve 21 can rotate relatively, and after the relative position between the inner sleeve 11 and the outer sleeve 21 is adjusted, the relative position between the inner sleeve 11 and the outer sleeve 21 can be prevented from changing again, which is beneficial to improving the position accuracy after the adjustment of the brush 3.

The inner sleeve 11 and the outer sleeve 21 can also cooperate with an inner cylindrical surface by means of an outer conical surface.

As shown in fig. 5 and 6, in this embodiment, the outer bracket 22 is provided with a limiting groove 24, and the inner mounting end 13 is disposed in the limiting groove 24. The size and the position of the limiting groove 24 are designed according to actual needs, and the limiting movement range of the inner mounting end 13 can be limited by the limiting groove 24, so that corresponding use requirements are met.

In this embodiment, the side of the inner mounting end 13 where the brush 3 is mounted is coplanar with the side of the outer mounting end 23 where the brush 3 is mounted. Under the condition that the sizes and the specifications of the electric brushes 3 are unified, the two electric brushes 3 can be kept flush, only one resistance chip can be designed in actual use, two resistance bands and two conductive bands are respectively designed on the same resistance chip, and the resistance bands and the conductive bands are respectively in one-to-one correspondence with the electric brushes 3, so that the design of the resistance chip can be simplified, and the size, the weight and the production cost of the whole part are reduced.

In this embodiment, the brushes 3 on the inner mounting end 13 and the brushes 3 on the outer mounting end 23 are oriented in the same rotational direction.

In this embodiment, other undescribed contents are the same as those in the above embodiment, and thus are not described again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.

Claims

1. A coaxial duplex brush member, characterized by: including interior brush part (1) and outer brush part (2), outer brush part (2) include outer support (22), set up outer erection end (23) on outer support (22) and brush (3) of setting on outer erection end (23), interior brush part (1) including with outer support (22) rotate inner support (12) of being connected, set up interior erection end (13) on inner support (12) and brush (3) of setting on inner erection end (13), one side that brush (3) were installed to interior erection end (13) and one side coplane that brush (3) were installed to outer erection end (23).

2. A coaxial twin brush assembly as defined in claim 1 wherein: the outer support (22) is of a circular plate-shaped structure, and the inner support (12) is of a circular plate-shaped structure.

3. A coaxial twin brush assembly as defined in claim 2 wherein: the outer support (22) is coaxial with the inner support (12).

4. A coaxial twin brush assembly as defined in claim 3 wherein: an inner sleeve (11) coaxial with the inner support (12) is arranged on the inner support (12), and the outer support (22) is sleeved on the inner sleeve (11).

5. The coaxial twin brush assembly defined in claim 4, wherein: the outer support (22) is provided with an outer sleeve (21) which is matched and arranged with the inner sleeve (11).

6. A coaxial twin brush assembly as defined in claim 1 wherein: the outer support (22) is provided with a limiting groove (24), and the inner mounting end (13) is arranged in the limiting groove (24).

7. A coaxial twin brush assembly as defined in claim 1 wherein: the electric brush (3) on the inner mounting end (13) and the electric brush (3) on the outer mounting end (23) face to the same rotating direction.