CN210779406U

CN210779406U - Conductive slip ring

Info

Publication number: CN210779406U
Application number: CN201921863732.8U
Authority: CN
Inventors: 游满员
Original assignee: Jiujiang Ingiant Technology Co ltd
Current assignee: Jiujiang Ingiant Technology Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-06-16
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a conductive slip ring, including rotor and stator, the equal fixedly connected with disc in both ends of rotor, the disc is close to the protruding L shape step that is equipped with in one side of stator, the stator includes stator body and shell, stator body is located the shell, the both ends of shell all are provided with T shape step, T shape step constitutes labyrinth structure with L shape step jointly, be provided with the sealing washer between T shape step and the disc, be provided with bearing and skeleton oil blanket between shell and the rotor, stator body's one end is provided with the ring channel, the rotor epirelief is equipped with the carousel, be provided with first conductive head on the carousel, be provided with the second conductive head in the ring channel, first conductive head is connected with second conductive head electricity through conductive medium. The conductive media in the accommodating grooves can be insulated at intervals through the insulating rings, so that the conductive media in different accommodating grooves are prevented from being influenced with each other; the device has multiple protection mechanisms, good protection effect and long service life.

Description

Conductive slip ring

Technical Field

The utility model relates to a technical field of sliding ring particularly, relates to a conductive sliding ring.

Background

The conductive slip ring belongs to the application range of electric contact sliding connection, is also called slip ring or rotary joint, rotary electric interface, slip ring, coil, commutator and commutator, and is a precision power transmission device for realizing image, data signal and power transmission of two relative rotating mechanisms. It is particularly suitable for use in locations where unlimited continuous rotation is required, while power or data is transmitted from a fixed position to a rotating position.

The protection design of the existing conductive slip ring is a single framework oil seal or seal ring structure, the protection effect of the structure is single, and if the structure is used in a severe environment, the conductive slip ring is easily damaged, so that the service life of the conductive slip ring is influenced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem among the correlation technique, the utility model provides a conductive sliding ring has multiple protection machanism, long service life.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

a conductive slip ring comprises a rotor and a stator, wherein both ends of the rotor are fixedly connected with discs, one side of each disc, which is close to the stator, is convexly provided with an L-shaped step, the stator comprises a stator body and a shell, the stator body is positioned in the shell, both ends of the shell are respectively provided with a T-shaped step, the T-shaped steps are positioned between the L-shaped steps and the rotor, gaps are respectively formed among the T-shaped steps, the rotor, the discs and the L-shaped steps, the T-shaped steps and the L-shaped steps jointly form a labyrinth structure, a sealing ring is arranged between the T-shaped steps and the discs, a bearing and a framework oil seal are arranged between the shell and the rotor, one end of the stator body is provided with an insulating ring which is coaxial with the rotor, and the insulating ring is provided with a plurality of annular accommodating grooves, a plurality of the holding tank sets up with one heart, the rotor epirelief is equipped with the carousel, be provided with on the carousel a plurality of respectively with the ring of holding tank one-to-one is protruding, be provided with first conductive head on the ring is protruding, be provided with on the stator body a plurality of respectively with the second conductive head of holding tank one-to-one, first conductive head with the second conductive head all is located in the holding tank and through the electric connection each other of conductive medium in the holding tank.

Furthermore, the clearance of labyrinth structure is 1 ~ 2 mm.

Further, the conductive medium includes a liquid metal.

Further, an annular groove is formed in the stator body, and the insulating ring is located in the annular groove.

The utility model has the advantages that: the first conductive head and the second conductive head can be electrically connected by using a conductive medium, so that the stator and the rotor can be electrically connected to transmit signals; the insulating rings can insulate the conductive media in the accommodating grooves at intervals, so that the first conductive head and the second conductive head cannot be normally electrically connected due to the mutual influence of the conductive media in different accommodating grooves can be avoided; the device has multiple protection mechanisms, good protection effect and long service life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front cross-sectional view of a conductive slip ring according to an embodiment of the present invention.

In the figure:

1. a rotor; 2. a stator; 3. an L-shaped step; 4. a T-shaped step; 5. a seal ring; 6. a bearing; 7. framework oil seal; 8. an insulating ring; 9. a turntable; 10. a first conductive head; 11. and a second conductive head.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

As shown in fig. 1, the conductive slip ring according to the embodiment of the present invention comprises a rotor 1 and a stator 2, wherein both ends of the rotor 1 are fixedly connected with discs, one side of the disc near the stator 2 is convexly provided with an L-shaped step 3, the stator 2 comprises a stator body and a housing, the stator body is located in the housing, both ends of the housing are provided with T-shaped steps 4, the T-shaped steps 4 are located between the L-shaped step 3 and the rotor 1, the T-shaped steps 4 respectively form a gap with the rotor 1, the disc and the L-shaped step 3, the T-shaped steps 4 and the L-shaped steps 3 jointly form a labyrinth structure, a sealing ring 5 is arranged between the T-shaped steps 4 and the discs, a bearing 6 and a framework oil seal 7 are arranged between the housing and the rotor 1, one end of the stator body is provided with an insulating ring 8 coaxial with the rotor 1, be provided with a plurality of annular holding tanks on the insulating ring 8, it is a plurality of the holding tank sets up with one heart, 1 epirelief of rotor is equipped with carousel 9, be provided with on the carousel 9 a plurality ofly respectively with the ring of holding tank one-to-one is protruding, be provided with first conductive head 10 on the ring is protruding, be provided with on the stator body a plurality ofly respectively with the second of holding tank one-to-one leads electrical head 11, first conductive head 10 with second is led electrical head 11 and all is located in the holding tank and pass through the conductive medium electricity in the holding tank is connected each other.

In a specific embodiment of the present invention, the clearance of the labyrinth structure is 1-2 mm.

In a particular embodiment of the invention, the conductive medium comprises a liquid metal.

In a specific embodiment of the present invention, the stator body is provided with an annular groove, and the insulating ring 8 is located in the annular groove.

For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention will be described in detail through specific use modes.

When the rotor 1 rotates, the disc, the L-shaped step 3, the turntable 9, the annular protrusion and the first conductive head 10 are driven to synchronously rotate. The insulating ring 8 remains relatively stationary with the stator body.

The rotor 1 is connected to the disc by screws. The shell is connected with the stator body through screws.

Conductive slip ring utilize conducting medium to realize first conductive head 10 and the electricity of second conductive head 11 and be connected to realize the electricity between stator 2 and the rotor 1 and connect with transmission signal. In addition, because the electric connection between the stator 2 and the rotor 1 is realized by adopting a conductive medium, the problems of wire winding and the like do not occur.

Conductive slip ring accessible adjustment holding tank and the protruding quantity of ring, realize stator 2 and rotor 1's multi-line transmission.

The insulating ring 8 can prevent the conductive medium from being directly electrically connected with the stator body, so that the electrical signal transmission of the first conductive head 10 and the second conductive head 11 is more accurate.

The holding tank all is the annular with the ring is protruding, and the ring is protruding seals the holding tank completely, and like this, the conductive medium in the holding tank can be protected to the ring is protruding, avoids conductive medium to flow out from the holding tank simultaneously.

The mutual interval sets up between a plurality of holding tanks, like this, the conducting medium in a plurality of holding tanks is mutual interval to utilize the insulating properties of insulating ring 8 can make the conducting medium in a plurality of holding tanks insulating each other, consequently can avoid the conducting medium in different holding tanks to influence each other and lead to first conductive head 10 and second conductive head 11 to carry out electric connection normally.

The conductive medium may be any object capable of conducting electricity, and in this embodiment, the conductive medium is a liquid conductive medium, and the liquid conductive medium includes, for example, a liquid metal. The liquid metal includes gallium (Ga) indium (In) alloy.

The sealing ring 5 is a V-shaped ring.

During the specific use, stop great granule and debris with labyrinth structure earlier between rotor 1 and the stator 2, use sealing washer 5 sealed less granule and the foreign matter of blockking again, reuse skeleton oil blanket 7 seals at last, and seal structure wearing and tearing are little, and the protecting effect is good, long service life.

In summary, with the above technical solution of the present invention, the first conductive head and the second conductive head can be electrically connected by using the conductive medium, so that the stator and the rotor can be electrically connected to transmit signals; the insulating rings can insulate the conductive media in the accommodating grooves at intervals, so that the first conductive head and the second conductive head cannot be normally electrically connected due to the mutual influence of the conductive media in different accommodating grooves can be avoided; the device has multiple protection mechanisms, good protection effect and long service life.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A conductive slip ring comprises a rotor (1) and a stator (2), and is characterized in that two ends of the rotor (1) are fixedly connected with discs, one side of each disc, close to the stator (2), is convexly provided with an L-shaped step (3), the stator (2) comprises a stator body and a shell, the stator body is positioned in the shell, two ends of the shell are respectively provided with a T-shaped step (4), the T-shaped steps (4) are positioned between the L-shaped steps (3) and the rotor (1), gaps are respectively arranged between the T-shaped steps (4) and the rotor (1), between the T-shaped steps (4) and the L-shaped steps (3), the T-shaped steps (4) and the L-shaped steps (3) jointly form a labyrinth structure, a sealing ring (5) is arranged between the T-shaped steps (4) and the discs, and a bearing (6) and a framework oil seal (7) are arranged between the shell and the rotor (1), stator body's one end be provided with rotor (1) coaxial insulating ring (8), be provided with a plurality of annular holding tanks on insulating ring (8), it is a plurality of the holding tank sets up with one heart, rotor (1) epirelief is equipped with carousel (9), be provided with on carousel (9) a plurality of respectively with the ring of holding tank one-to-one is protruding, be provided with first conductive head (10) on the ring is protruding, be provided with on stator body a plurality of respectively with second conductive head (11) of holding tank one-to-one, first conductive head (10) with second conductive head (11) all are located in the holding tank and pass through the conductive medium electricity each other in the holding tank is connected.

2. The slip ring according to claim 1, wherein the labyrinth has a clearance of 1-2 mm.

3. The conductive slip ring of claim 1 wherein the conductive medium comprises a liquid metal.

4. The conducting slip ring according to claim 1, characterized in that an annular groove is provided on the stator body, the insulating ring (8) being located in the annular groove.