CN214673382U

CN214673382U - Conductive slip ring

Info

Publication number: CN214673382U
Application number: CN202120604587.2U
Authority: CN
Inventors: 沈禄斌; 解立朝
Original assignee: Ningbo Rotor Electrical Appliances Co Ltd
Current assignee: Ningbo Rotor Electrical Appliances Co Ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-11-09
Anticipated expiration: 2031-03-25

Abstract

The utility model discloses a conductive slip ring, including stator and rotor along axial distribution, the stator is towards one end of rotor be provided with a plurality of concentric first conducting rings and with a plurality of first perforation of first conducting ring one-to-one, first wire passes first perforation and is connected with first conducting ring electricity, the rotor is towards one end of stator is provided with a plurality of brushes and a plurality of second perforation, the stator with the rotor normal running fit, second wire pass with the brush electricity is connected after the second perforation, the top of brush with the first conducting ring contacts; the advantage is that the structure is more compact, and the suitability is better.

Description

Conductive slip ring

Technical Field

The utility model belongs to the technical field of electromechanical device, especially, relate to a conductive sliding ring.

Background

The conductive slip ring belongs to the application range of electric contact sliding connection, and is a power transmission device for realizing image, data signal and power transmission of two relative rotating mechanisms. The conductive slip ring comprises a stator, a rotor and an electric brush, the stator is fixedly connected with a fixing portion of the equipment, the rotor is fixedly connected with a rotating portion of the equipment, the stator is in running fit with the rotor, the stator is electrically connected with the rotor through the electric brush, and electric power and signals are transmitted to the rotating portion of the equipment after sequentially passing through the stator, the electric brush and the rotor.

Generally, stator and rotor are long tube-shape respectively, and the rotor cover is on the lateral wall of stator and with stator normal running fit, and the connecting terminal of stator distributes on the lateral wall of stator, and the connecting terminal of rotor distributes on the inside wall of rotor, and the holistic volume of conducting slip ring is great, is not suitable for using in compact, narrow space, and the suitability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a comparatively compact electrically conductive sliding ring of structure is provided, the suitability is better.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a conducting slip ring comprises a stator and a rotor which are distributed along the axial direction, wherein one end of the stator facing the rotor is provided with a plurality of concentric first conducting rings and a plurality of first through holes which are in one-to-one correspondence with the first conducting rings, first conducting wires penetrate through the first through holes and are electrically connected with the first conducting rings, one end of the rotor facing the stator is provided with a plurality of brushes and a plurality of second through holes, the stator is in running fit with the rotor, second conducting wires penetrate through the second through holes and are electrically connected with the brushes, and the tops of the brushes are in contact with the first conducting rings.

Preferably, the electric brush comprises a first folded edge and second folded edges symmetrically distributed at two ends of the first folded edge, one end of each second folded edge is fixedly connected with the end of the first folded edge, the other end of each second folded edge faces the direction of the stator, and an included angle between each second folded edge and the corresponding first folded edge ranges from 100 degrees to 170 degrees.

Preferably, the other end of the second flange is provided with a silver contact, and the second flange is in contact with the first conductive ring through the silver contact.

Preferably, one end of the stator facing the rotor is provided with a plurality of concentric first annular grooves, the plurality of first conductive rings correspond to the plurality of first annular grooves one to one, the first conductive rings are fixedly arranged in the first annular grooves corresponding to the first conductive rings, one end of the first through hole is communicated with the groove bottom of the first annular groove, and the other end of the first through hole is communicated with one end of the stator far away from the rotor.

Preferably, one end of the rotor facing the stator is provided with a plurality of concentric second conducting rings, the bottom of the brush is welded to the second conducting rings, the plurality of second conducting rings correspond to the plurality of second through holes one to one, and the second conducting wires are electrically connected to the second conducting rings after passing through the second through holes.

Preferably, one end of the rotor facing the stator is provided with a plurality of concentric second annular grooves, the plurality of second conductive rings correspond to the plurality of second annular grooves one to one, the second conductive rings are fixedly arranged in the second annular grooves corresponding to the second conductive rings, one end of the second through hole is communicated with the groove bottom of the second annular groove, and the other end of the second through hole is communicated with one end of the rotor far away from the stator.

Preferably, the outer side wall of the stator is recessed towards the center of the circle to form at least one positioning notch.

Preferably, the end surface of the stator is provided with a plurality of first counter bores along a circumferential direction, and the end surface of the rotor is provided with a plurality of second counter bores along the circumferential direction.

Compared with the prior art, the utility model has the advantages of through set up a plurality of first conducting rings on the terminal surface of stator to and set up a plurality of brushes that correspond with a plurality of first conducting rings on the terminal surface of rotor, for traditional structure of leading the electrical slip ring, this structure of leading the electrical slip ring is more flat, compact, and holistic volume is less, can be applicable to in compact, constrictive space, and the suitability is better.

Drawings

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

fig. 2 is a first schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic diagram of an explosion structure of the present invention;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

fig. 5 is a schematic side view of the present invention.

In the figure: 1. a stator; 11. a first conductive ring; 12. a first perforation; 13. positioning the notch; 14. a first counterbore; 2. a rotor; 21. an electric brush; 211. a first folded edge; 212. a second folded edge; 213. a silver contact; 22. a second perforation; 23. a second conductive ring; 24. a second counterbore; 3. a first conductive line; 4. a second conductive line.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows: as shown in the figure, a conductive slip ring comprises a stator 1 and a rotor 2 which are distributed along an axial direction, one end of the stator 1 facing the rotor 2 is provided with a plurality of concentric first conductive rings 11 and a plurality of first through holes 12 corresponding to the first conductive rings 11 one by one, a first lead 3 passes through the first through holes 12 and is electrically connected with the first conductive rings 11, one end of the rotor 2 facing the stator 1 is provided with a plurality of brushes 21 and a plurality of second through holes 22, the stator 1 and the rotor 2 are in rotating fit, a second lead 4 passes through the second through holes 22 and is electrically connected with the brushes 21, and the top of the brushes 21 is in contact with the first conductive rings 11, wherein the rotating fit adopts a conventional rotating fitting on the market, such as a rotating bearing.

Example two: the rest of the embodiment is the same as that of the first embodiment, and the difference is that the electric brush 21 includes a first folded edge 211 and a second folded edge 212 symmetrically distributed at two ends of the first folded edge 211, one end of the second folded edge 212 is fixedly connected with an end of the first folded edge 211, the other end of the second folded edge 212 faces the direction of the stator 1, an included angle between the second folded edge 212 and the first folded edge 211 ranges from 100 degrees to 170 degrees, preferably, an included angle between the second folded edge 212 and the first folded edge 211 ranges from 135 degrees, in addition, the first folded edge 211 and the second folded edge 212 both adopt metal conductive materials, and the second folded edge 212 has elasticity.

In this embodiment, the other end of the second flange 212 is provided with a silver contact 213, and the second flange 212 is in contact with the first conductive ring 11 through the silver contact 213.

Example three: the rest of the structure is the same as that of the first embodiment, and the difference is that a plurality of concentric first annular grooves (not shown in the figure) are arranged at one end of the stator 1 facing the rotor 2, a plurality of first conductive rings 11 correspond to the first annular grooves one to one, the first conductive rings 11 are fixedly arranged in the corresponding first annular grooves, one end of each first through hole 12 is communicated with the bottom of the corresponding first annular groove, the other end of each first through hole 12 is communicated with one end of the stator 1 far away from the rotor 2, and the arrangement of the first annular grooves is beneficial to further reducing the overall size.

In this embodiment, a plurality of concentric second conductive rings 23 are disposed at one end of the rotor 2 facing the stator 1, the bottom of the brush 21 is welded to the second conductive rings 23, the plurality of second conductive rings 23 correspond to the plurality of second through holes 22 one by one, and the second wires 4 are electrically connected to the second conductive rings 23 after passing through the second through holes 22.

In this embodiment, three first conductive rings 11 are provided, one first conductive ring 11 is used for communication, the other two first conductive rings 11 are used for power supply, three corresponding first through holes 12 are provided, three first conductive wires 3 are provided, three second conductive rings 23 are provided, two brushes 21 are respectively provided on each second conductive ring 23, three second through holes 22 are provided, and three second conductive wires 4 are provided.

Example four: the rest of the structure is the same as that of the embodiment, and the structure is different in that one end of the rotor 2 facing the stator 1 is provided with a plurality of concentric second annular grooves (not shown in the figure), a plurality of second conductive rings 23 correspond to the second annular grooves one to one, the second conductive rings 23 are fixedly arranged in the corresponding second annular grooves, one end of a second through hole 22 is communicated with the groove bottom of the second annular groove, the other end of the second through hole 22 is communicated with one end of the rotor 2 far away from the stator 1, and the overall size is further reduced by arranging the second annular grooves.

Example five: the rest of the stator is the same as the first embodiment, and the difference lies in that the outer side wall of the stator 1 is sunken towards the direction of the circle center to form at least one positioning notch 13, so that the stator 1 can be accurately and quickly assembled on equipment conveniently, the stator 1 is prevented from rotating after being assembled, and the improvement of stability is facilitated.

In this embodiment, two positioning notches 13 are provided.

In this embodiment, the end surface of the stator 1 is provided with a plurality of first countersunk holes 14 along the circumferential direction, and the end surface of the rotor 2 is provided with a plurality of second countersunk holes 24 along the circumferential direction.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.

Claims

1. An electrically conductive slip ring, characterized by: the motor comprises a stator (1) and a rotor (2) which are distributed along the axial direction, wherein one end, facing the rotor (2), of the stator (1) is provided with a plurality of concentric first conducting rings (11) and a plurality of first through holes (12) corresponding to the first conducting rings (11) in a one-to-one mode, a first conducting wire (3) penetrates through the first through holes (12) and is electrically connected with the first conducting rings (11), one end, facing the stator (1), of the rotor (2) is provided with a plurality of electric brushes (21) and a plurality of second through holes (22), the stator (1) is in running fit with the rotor (2), a second conducting wire (4) penetrates through the second through holes (22) and then is electrically connected with the electric brushes (21), and the top of the electric brushes (21) is in contact with the first conducting rings (11).

2. The conductive slip ring of claim 1, wherein: the electric brush (21) comprises a first folding edge (211) and second folding edges (212) symmetrically distributed at two ends of the first folding edge (211), one end of each second folding edge (212) is fixedly connected with the end of the first folding edge (211), the other end of each second folding edge (212) faces the direction of the stator (1), and the included angle between each second folding edge (212) and the corresponding first folding edge (211) ranges from 100 degrees to 170 degrees.

3. The conductive slip ring of claim 2, wherein: the other end of the second flange (212) is provided with a silver contact (213), and the second flange (212) is in contact with the first conductive ring (11) through the silver contact (213).

4. The conductive slip ring of claim 1, wherein: stator (1) orientation the one end of rotor (2) is provided with a plurality of concentric first ring channels, and is a plurality of first conducting ring (11) and a plurality of first ring channel one-to-one, first conducting ring (11) are fixed to be set up rather than corresponding in the first ring channel, the one end of first perforation (12) with the tank bottom intercommunication of first ring channel, the other end of first perforation (12) with stator (1) is kept away from the one end intercommunication of rotor (2).

5. The conductive slip ring of claim 1, wherein: one end, facing the stator (1), of the rotor (2) is provided with a plurality of concentric second conducting rings (23), the bottom of the electric brush (21) is welded with the second conducting rings (23), the plurality of second conducting rings (23) correspond to the plurality of second through holes (22) in a one-to-one mode, and the second conducting wires (4) penetrate through the second through holes (22) and then are electrically connected with the second conducting rings (23).

6. The conductive slip ring of claim 5, wherein: one end, facing the stator (1), of the rotor (2) is provided with a plurality of concentric second annular grooves, the second conductive rings (23) correspond to the second annular grooves one to one, the second conductive rings (23) are fixedly arranged in the second annular grooves corresponding to the second conductive rings, one end of each second through hole (22) is communicated with the bottom of each second annular groove, and the other end of each second through hole (22) is communicated with one end, far away from the stator (1), of the rotor (2).

7. The conductive slip ring of claim 1, wherein: the outer side wall of the stator (1) is recessed towards the direction of the circle center to form at least one positioning notch (13).

8. The conductive slip ring of claim 1, wherein: the end face of the stator (1) is provided with a plurality of first counter sink holes (14) along the circumferential direction, and the end face of the rotor (2) is provided with a plurality of second counter sink holes (24) along the circumferential direction.