CN212162295U

CN212162295U - Rotary conductive device

Info

Publication number: CN212162295U
Application number: CN202020977910.6U
Authority: CN
Inventors: 姚沣华; 陈天宇; 廖志忠
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-12-15
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a rotatory electric installation, close the apron subassembly on the base subassembly including base subassembly and lid, the fixed first conducting ring and the second conducting ring of being provided with on the base subassembly, the last pivoted of base subassembly is equipped with rotating assembly, last first conducting strip and the second conducting strip of being provided with of rotating assembly, first conducting strip contacts with first conducting ring, the second conducting strip contacts with the second conducting ring, when the relative base subassembly of rotating assembly rotates, first conducting strip slides for first conducting ring, the second conducting strip slides for the second conducting ring, still including setting up the rolling element between rotating assembly and apron subassembly, make rotating assembly and apron subassembly form rolling friction. Rotatory electric installation through set up rolling element between rotating assembly and apron subassembly, reduce rotating assembly's frictional force, the atress is more even simultaneously, reduces wearing and tearing and noise between rotating assembly and the apron subassembly, the reliability promotes greatly.

Description

Rotary conductive device

Technical Field

The utility model relates to an electrical accessories technical field especially relates to a rotatory electric installation.

Background

Slip rings, also known as rotary electrical interfaces, electrical rotary joints, may be used in any system that requires unlimited continuous rotation to transmit power and data signals from a stationary structure to a rotating structure. The slip ring is usually installed at the rotation center of the equipment and mainly consists of a rotating part and a static part, wherein the rotating part is connected with the rotating structure of the equipment and rotates with the rotating part, and the static part is connected with the fixed structure of the equipment.

The existing slip ring is easy to wear and generate noise due to uneven stress in the production and use processes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory electric installation to solve the technical problem who mentions in the background art.

In order to achieve the above object, the present invention provides a rotary conductive device, which comprises:

the utility model provides a rotatory electric installation, close the apron subassembly on the base subassembly including base subassembly and lid, the fixed first conducting ring and the second conducting ring that is provided with on the base subassembly, the pivoted is equipped with the rotating assembly on the base subassembly, be provided with first conducting strip and second conducting strip on the rotating assembly, first conducting strip contacts with first conducting ring, the second conducting strip contacts with the second conducting ring, when the relative base subassembly of rotating assembly rotates, first conducting strip slides for first conducting ring, the second conducting strip slides for the second conducting ring, still including setting up the rolling element between rotating assembly and apron subassembly, make rotating assembly and apron subassembly form rolling friction.

Further, the rolling elements are uniformly arranged in plurality along the circumferential direction of the rotating assembly.

Further, the rolling element is the spheroid, sets up the spacing groove that holds the rolling element on the rotating assembly, and the spacing groove has the opening towards apron subassembly roof, and the spacing inslot is arranged in to the spheroid, and the ball contacts with the apron subassembly.

Furthermore, the limiting groove penetrates through the side wall of the rotating assembly, and the ball is in contact with the top wall and the inner side wall of the cover plate assembly simultaneously.

Furthermore, the rolling element is a cylinder, the top wall of the rotating assembly is provided with a limiting groove matched with the rolling element, the limiting groove is a groove body with an upward opening, the inner wall of the limiting groove is a cylindrical surface, the axial lead of the limiting groove is distributed along the radius direction of the rotating assembly, and the rolling element is arranged in the limiting groove and is in contact with the top wall of the cover plate assembly.

Further, form the storage tank on the base subassembly, the rotating assembly sets up in the storage tank, and apron subassembly lid closes at the opening part of storage tank, is provided with the support column on the base subassembly, and the rotating assembly activity cup joints on the support column, and the duplex winding support column rotates.

Furthermore, the first conducting ring and the second conducting ring are of annular structures, the diameter of the first conducting ring is larger than that of the second conducting ring, and the second conducting ring is arranged in the shaft hole of the first conducting ring.

Furthermore, the first conducting strip is arranged on the first conducting ring in a sliding mode, at least two contact points are arranged between the first conducting strip and the first conducting ring, the second conducting strip is arranged on the second conducting ring in a sliding mode, and at least two contact points are arranged between the second conducting strip and the second conducting ring.

Furthermore, grease is filled between the contact point and the first conductive ring and between the contact point and the second conductive ring.

Furthermore, the conducting strips are in bridge-shaped structures, two ends of each bridge-shaped structure are in contact with the conducting ring, the middle of each bridge-shaped structure is fixedly connected with the rotating assembly, springs are arranged between the two ends of each bridge-shaped structure and the rotating assembly respectively, and the two ends of each bridge-shaped structure are tightly abutted to the conducting rings through the springs.

The utility model discloses a rotatory electrically conductive device has following advantage:

rotatory electric installation, through set up rolling element between rotating assembly and apron subassembly, change into rolling frictional force with the frictional force between rotating assembly and the apron subassembly to reduce rotating assembly's frictional force, the atress is more even simultaneously, reduces wearing and tearing and noise between rotating assembly and the apron subassembly, the reliability promotes greatly.

Drawings

Fig. 1 is a schematic structural view of a rotary conductive device of the present invention;

fig. 2 is an exploded view of the rotary conductive device of the present invention;

fig. 3 is a first cross-sectional view of the rotary conductive device of the present invention;

fig. 4 is a second cross-sectional view of the rotary conductive device of the present invention.

The reference numbers in the figures illustrate: 1. a base assembly; 11. buckling; 2. a rotating assembly; 21. a first wiring hole; 22. a second wiring hole; 23. a limiting groove; 3. a cover plate assembly; 31. a card slot; 4. a first conductive ring; 5. a second conductive ring; 6. a first conductive sheet; 7. a second conductive sheet; 8. a spring; 9. a wire clamping assembly; 10. and a ball.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the rotary conductive device of the present invention includes a base assembly 1, a rotary assembly 2 and a cover plate assembly 3, wherein a containing groove is formed on the base assembly 1, and the rotary assembly 2 is movably disposed in the containing groove and can rotate in the containing groove relative to the base assembly 1; the cover plate component 3 is arranged at the opening of the containing groove so as to block the rotating component 2 in the containing groove, and the rotating component 2 can rotate relative to the cover plate component 3. Therefore, the utility model discloses a rotating assembly 2 and apron subassembly 3 are mutually supported rotatoryly in the electrically conductive connection structure of rotation, can protect rotating assembly 2 to receive external force influence less when rotatory, make the atress more even.

Specifically, in the embodiment, the accommodating groove of the base assembly 1 is fixedly provided with the first conductive ring 4 and the second conductive ring 5, wherein, as shown in fig. 2, the first conductive ring 4 and the second conductive ring 5 are of an annular structure, and the diameter of the first conductive ring 4 is larger than that of the second conductive ring 5, the first conductive ring 4 and the second conductive ring 5 are fixedly disposed on the bottom wall of the accommodating groove, and the second conductive ring 5 is located in the shaft hole of the first conductive ring 4.

A supporting column is arranged in the accommodating groove of the base component 1, the supporting column is located in the middle of the accommodating groove, and the first conductive ring 4 and the second conductive ring are sleeved on the outer side of the supporting column. Be provided with the holding hole on the rotating assembly 2, the holding hole activity cup joints on the support column to can make rotating assembly 2 rotate around the support column, stability when guaranteeing rotating assembly 2 to rotate for base subassembly 1.

The rotating assembly 2 is provided with a first conducting strip 6 and a second conducting strip 7, wherein the first conducting strip 6 is in contact with the first conducting ring 4, the second conducting strip 7 is in contact with the second conducting ring 5, when the rotating assembly 2 rotates relative to the base assembly 1, the first conducting strip 6 slides relative to the first conducting ring 4, and the second conducting strip 7 slides relative to the second conducting ring 5.

The conducting device also comprises a plurality of rolling elements arranged between the rotating assembly 2 and the cover plate assembly 3, and the rolling elements are uniformly arranged along the circumferential direction of the rotating assembly 2, preferably, the number of the rolling elements is not less than four. The rolling element changes the friction between the rotating assembly 2 and the cover plate assembly 3 into rolling friction, so that the friction of the rotating assembly 2 is reduced, the stress is more uniform, the abrasion and the noise between the rotating assembly 2 and the cover plate assembly 3 are reduced, and the reliability is greatly improved.

The rolling element is the spheroid, like ball 10, sets up the spacing groove 23 that holds ball 10 on the rotating assembly 2, and spacing groove 23 has the opening towards 3 tops walls of apron subassembly, and spacing groove 23 is arranged in to ball 10, and ball 10 and the contact of apron subassembly 3 make rotating assembly 2 more steady at the pivoted in-process, reduce the frictional force between rotating assembly 2 and the 3 tops walls of apron subassembly, reduce rotating assembly 2's friction loss and noise.

Preferably, the limiting groove 23 penetrates through the side wall of the rotating assembly 2, the ball 10 is in contact with the top wall and the inner side wall of the cover plate assembly 3 at the same time, the ball 10 can be placed in a position in contact with the upper direction and the lower direction, and meanwhile, the ball is in contact with the left direction and the right direction, so that noise is generated due to the fact that the cover plate assembly 3 is not in direct contact with the rotating assembly 2 in all directions.

As another embodiment, the rolling element is a cylinder, such as a roller pin or a roller, the top wall of the rotating assembly 2 is provided with a limit groove 23 matched with the rolling element, the limit groove 23 is a groove body with an upward opening, the inner wall of the limit groove 23 is a cylindrical surface, the axial lead of the limit groove 23 is distributed along the radius direction of the rotating assembly 2, and the rolling element is arranged in the limit groove 23 and contacts with the top wall of the cover plate assembly 3.

As shown in fig. 2, the first conductive plate 6 is a bridge-shaped structure, two ends of the bridge-shaped structure are respectively provided with a contact point to contact with the first conductive ring 4, and the middle part of the bridge-shaped structure is fixedly connected with the rotating assembly 2 through a screw; similarly, the second conductive plate 7 may also be a bridge structure, two ends of the bridge structure are respectively provided with a contact point to contact with the second conductive ring 5, and the middle of the bridge structure is fixedly connected to the rotating assembly 2 through a screw. Grease is filled between the contact point and the first conductive ring 4 and the second conductive ring 5, so that noise in the motion process is reduced.

The first conducting strip 6 and the first conducting ring 4, and the second conducting strip 7 and the second conducting ring 5 are respectively connected in a sliding manner through two contact points, so that the connection reliability can be ensured, and the influence on the use of equipment when one contact point has a contact fault can be prevented. Of course, it is understood that the structures of the first conductive sheet 6 and the second conductive sheet 7 may also take other forms, such as having only one contact point or more, etc., and are not limited to those shown in the drawings, as long as they can achieve stable contact with the first conductive ring 4 and the second conductive ring 5.

Be equipped with spring 8 between the both ends of bridge shape structure and the rotating component 2 respectively, spring 8's one end links to each other with rotating component 2, and the other end links to each other with the both ends of bridge shape structure, and when bridge shape structure and rotating component 2 fixed connection were together, spring 8 was in compression state to make the both ends of bridge shape structure closely support and lean on first conducting ring 4 or second conducting ring 5, guarantee the fastness of first conducting strip 6 and first conducting ring 4, second conducting strip 7 and second conducting ring 5 contact. Of course, it is understood that the abutting structure other than the spring 8 may be adopted, and the abutting structure is not limited to the embodiment shown in the drawings, as long as the first conductive sheet 6 and the first conductive ring 4 and the second conductive sheet 7 and the second conductive ring 5 can be firmly contacted.

The rotating assembly 2 is provided with a first wiring hole 21 and a second wiring hole 22, the first wiring hole 21 and the second wiring hole 22 are provided with wire clamping assemblies 9, and external electric wires can be respectively inserted into the first wiring hole 21 and the second wiring hole 22 to be respectively connected with the corresponding wire clamping assemblies 9. In the present embodiment, preferably, the first conductive sheet 6 and the second conductive sheet 7 are respectively bent to form a connection structure, and the connection structure can be inserted into the first wiring hole 21 and the second wiring hole 22 to connect with the corresponding wire clamping assembly 9.

It should be noted that the wire clamping assembly 9 in the present invention may adopt a wiring structure commonly found in the art, such as a wire clamping spring, and the wire clamping assembly 9 may be respectively connected with a zero line or a live line, and is not particularly limited.

Therefore, the utility model discloses a rotatory electric installation through set up the rolling element between rotating assembly 2 and apron subassembly 3, changes into rolling frictional force with the frictional force between rotating assembly 2 and the apron subassembly 3 to reduce rotating assembly 2's frictional force, the atress is more even simultaneously, reduces wearing and tearing and noise between rotating assembly 2 and the apron subassembly 3, and the reliability promotes greatly.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. A rotary conductive device comprises a base component (1) and a cover plate component (3) covered on the base component (1), wherein a first conductive ring (4) and a second conductive ring (5) are fixedly arranged on the base component (1), a rotary component (2) is rotatably arranged on the base component (1), a first conductive sheet (6) and a second conductive sheet (7) are arranged on the rotary component (2), the first conductive sheet (6) is contacted with the first conductive ring (4), the second conductive sheet (7) is contacted with the second conductive ring (5), when the rotary component (2) rotates relative to the base component (1), the first conductive sheet (6) slides relative to the first conductive ring (4), and the second conductive sheet (7) slides relative to the second conductive ring (5), and the rotary device is characterized by further comprising a rolling element arranged between the rotary component (2) and the cover plate component (3), the rotating component (2) and the cover plate component (3) form rolling friction.

2. The rotating electrical conducting device according to claim 1, characterized in that the rolling elements are arranged in plurality uniformly in the circumferential direction of the rotating assembly (2).

3. The rotary conducting device according to claim 2, wherein the rolling element is a ball, the rotating assembly (2) is provided with a limiting groove (23) for accommodating the rolling element, the limiting groove (23) is provided with an opening facing the top wall of the cover plate assembly (3), the ball is arranged in the limiting groove (23), and the ball (10) is in contact with the cover plate assembly (3).

4. The rotary conductive device according to claim 3, characterized in that the limiting groove (23) penetrates through the side wall of the rotary component (2), and the balls (10) are simultaneously contacted with the top wall and the inner side wall of the cover component (3).

5. The rotary conducting device according to claim 2, wherein the rolling element is a cylinder, a limiting groove (23) matched with the rolling element is formed in the top wall of the rotating assembly (2), the limiting groove (23) is a groove body with an upward opening, the inner wall of the limiting groove (23) is a cylindrical surface, the axial lead of the limiting groove (23) is distributed along the radius direction of the rotating assembly (2), and the rolling element is arranged in the limiting groove (23) and is in contact with the top wall of the cover plate assembly (3).

6. The rotary conductive device according to claim 1, wherein the base assembly (1) is formed with a receiving groove, the rotary assembly (2) is disposed in the receiving groove, the cover assembly (3) covers the opening of the receiving groove, the base assembly (1) is provided with a supporting column, and the rotary assembly (2) is movably sleeved on the supporting column and rotates around the supporting column.

7. The rotary conductive apparatus according to claim 1, wherein the first conductive ring (4) and the second conductive ring (5) are annular structures, the diameter of the first conductive ring (4) is larger than that of the second conductive ring (5), and the second conductive ring (5) is disposed in the shaft hole of the first conductive ring (4).

8. The rotating conducting device according to claim 1, characterized in that the first conducting strip (6) is slidably disposed on the first conducting ring (4), at least two contact points are disposed between the first conducting strip (6) and the first conducting ring (4), the second conducting strip (7) is slidably disposed on the second conducting ring (5), and at least two contact points are disposed between the second conducting strip (7) and the second conducting ring (5).

9. The rotating conducting device according to claim 8, characterized in that grease is filled between the contact point and the first conducting ring (4) and the second conducting ring (5).

10. The rotary conducting device according to claim 8, wherein the conducting strips are all bridge-shaped structures, two ends of each bridge-shaped structure are in contact with the conducting rings, the middle parts of the bridge-shaped structures are fixedly connected with the rotating assembly (2), springs (8) are respectively arranged between the two ends of each bridge-shaped structure and the rotating assembly (2), and the springs (8) tightly abut the two ends of each bridge-shaped structure against the conducting rings.