CN220510434U

CN220510434U - Sealing slip ring

Info

Publication number: CN220510434U
Application number: CN202322245496.6U
Authority: CN
Inventors: 陈巨州
Original assignee: Zhejiang Yihuang Technology Co ltd
Current assignee: Zhejiang Yihuang Technology Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-02-20
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a sealing slip ring, which has the technical scheme that the sealing slip ring comprises a stator, wherein a rotor is arranged in the stator, a groove is formed in the rotor, a pressure receiving part is arranged on the rotor, a protruding part is arranged on the stator, limit claws are arranged on two sides of the protruding part, inclined planes are arranged on the limit claws, a sealing sleeve is arranged between the protruding part and the groove, the sealing sleeve is provided with a ring wall, the limit claws shrink the ring wall towards the center through the inclined planes, a shoulder step is arranged on the groove, a partition plate is arranged on the shoulder step, and a gap is formed between the partition plate and the rotor.

Description

Sealing slip ring

Technical Field

The utility model relates to the technical field of slip rings, in particular to a sealing slip ring.

Background

Slip rings are the electrical components responsible for the communication and delivery of energy and signals to the rotating body. The slip rings are classified into electric slip rings, fluid slip rings and smooth rings according to transmission media, and can be commonly called as rotary communication or rotary communication. The slip ring rotates to enable parts adjacent to the slip ring to be worn, so that on one hand, the parts are worn to cause conductive medium mercury to overflow or leak outwards, the service life of the slip ring is influenced, and environmental pollution is caused; on the other hand, external air or liquid can enter between the stator and the rotor, and erode parts, such as a mercury slip ring disclosed in CN209860317U, the seal ring of the slip ring of this case adopts a common O-shaped seal ring, and the seal ring is contracted on the rotor, and cannot be very tightly attached to the rotor, so that the sealing effect is poor.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the sealing slip ring which has good sealing performance and prevents mercury from leaking to pollute the environment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sealed sliding ring, includes the stator, be equipped with the rotor in the stator, its characterized in that: the rotor is provided with a pressing part, the stator is provided with a protruding part, two sides of the protruding part are provided with limiting claws, the limiting claws are provided with inclined planes, a sealing sleeve is arranged between the protruding part and the pressing part, the sealing sleeve is provided with a ring wall, the limiting claws shrink the ring wall towards the center through the inclined planes, the protruding part is provided with a shoulder, the shoulder is provided with a baffle, and a gap is formed between the baffle and the rotor.

The utility model is further provided with: a cavity is arranged between the rotor and the stator, a conductive medium is arranged in the cavity, and the conductive medium is mercury.

The utility model is further provided with: the stator is provided with a bulge A, the rotor is provided with a bulge B, and the bulge A and the bulge B are arranged in a staggered mode.

The utility model is further provided with: the stator comprises a base and a slip ring cover, and the base and the slip ring cover are fixed through screws.

The utility model is further provided with: and a sealing ring is arranged between the base and the slip ring cover.

The utility model is further provided with: the rotor is provided with a bearing, the outer end of the bearing is matched with the stator, and the inner end of the bearing is matched with the rotor.

The utility model is further provided with: the slip ring is provided with a fixed ring, and the fixed ring is provided with a fixed hole.

In summary, the utility model has the following beneficial effects:

the sealing sleeve comprises a stator, a rotor is arranged in the stator, a pressure receiving part is arranged on the rotor, a protruding part is arranged on the stator, a limiting claw is arranged on the protruding part of the stator, an inclined surface is arranged on the limiting claw, a sealing sleeve is arranged between the protruding part and the pressure receiving part, the sealing sleeve is provided with a ring wall, the pressure receiving part is propped against the sealing sleeve, the sealing sleeve is limited by the inclined surface of the limiting claw, the ring wall can be close to the center of the ring wall, the ring wall can be tightly attached to the protruding part, the sealing sleeve is tightly attached to the protruding part, the sealing performance is improved, a shoulder step is arranged on the protruding part, a partition plate is arranged on the shoulder step, a gap is formed between the partition plate and the rotor, mercury can only flow through the small gap, the mercury flow quantity is small, therefore, the pressure of mercury generated in the slip ring is reduced to a certain extent, the pressure of the mercury on the sealing sleeve is reduced, the condition of mercury leakage is reduced, and the service life of the sealing sleeve is prolonged.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present embodiment;

FIG. 2 is a schematic cross-sectional view of the present embodiment;

FIG. 3 is a schematic top view of the present embodiment;

fig. 4 is an enlarged schematic view of the limiting pawl of the present embodiment.

Reference numerals: 1. a stator; 2. a rotor; 3. a pressure receiving part; 4. a boss; 5. a limit claw; 6. an inclined plane; 7. sealing sleeve; 9. an annular wall; 12. shoulder steps; 13. a partition plate; 14. a seal ring; 15. a conductive medium; 16. a base; 17. a slip ring cover; 18. a screw; 19. a bearing; 20. a fixing ring; 21. a fixing hole; 22. a protrusion A; 23. and a protrusion B.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a sealed sliding ring, as shown in fig. 1-4, including stator 1, be equipped with rotor 2 in the stator 1, be equipped with on the rotor 2 and connect the pressure portion 3, be equipped with bellying 4 on the stator 1, be equipped with spacing claw 5 on the bellying 4, be equipped with inclined plane 6 on the spacing claw 5, be equipped with seal cover 7 between bellying 4 and the pressure portion 3 that connects, seal cover 7 is equipped with annular wall 9, install seal cover 7, connect pressure portion 3 on the rotor 2 to press seal cover 7, annular wall 9 is inwards compressed by the inclined plane 6 of spacing claw 5, annular wall 9 can draw close to annular wall 9 center, seal cover 7 can grasp bellying 4 on the stator 1.

Further, a cavity is formed between the stator 1 and the rotor 2, a conductive medium 15 is arranged in the cavity, mercury is preferably selected as the conductive medium 15, the mercury has good conductivity, the service life of the slip ring is prolonged, a shoulder 12 is arranged on the groove, a partition 13 is arranged on the shoulder 12, a gap is formed between the partition 13 and the rotor 2, mercury can flow from the gap, the flowing amount of mercury can be reduced by the gap, a small part of mercury contacts the sealing sleeve 7, the pressure of a small amount of mercury on the sealing sleeve 7 is small, the mercury cannot rush out of the sealing sleeve 7 to cause leakage, and the service life of the sealing sleeve is prolonged.

Further, the bulge A22 is arranged on the stator 1, the bulge B23 is arranged at the bottom end of the rotor 2, the bulge A22 and the bulge B23 are arranged in a staggered mode, and the contact area of mercury can be increased by the bulge A22 on the stator 1 and the bulge B23 on the rotor, so that the slip ring electricity transmission efficiency is improved.

Further, a bearing 19 is provided between the stator 1 and the rotor 2, and the inner side of the bearing 19 contacts the rotor 2 and the outer side contacts the stator 1.

Further, the stator 1 can be divided into a base 16 and a slip ring cover 17, the slip ring cover 17 is covered on the base during installation, and the base 16 and the slip ring cover 17 are fixed by adopting a screw 18, so that the installation is convenient and quick, and the production is convenient.

Further, a sealing ring 14 is arranged between the slip ring cover 17 and the base 16, the sealing ring 14 prevents external liquid and other impurities from entering the slip ring, the service life of the slip ring is influenced, meanwhile, the sealing ring 14 does not influence the rotation of the rotor 2,

further, a fixing ring 20 is arranged on the slip ring, a fixing hole 21 is arranged on the outer ring of the slip ring, and the position of the slip ring is fixed through the fixing hole 21.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a sealed sliding ring, includes stator (1), be equipped with rotor (2) in stator (1), its characterized in that: be equipped with on rotor (2) and connect pressure portion (3), be equipped with bellying (4) on stator (1), the both sides of bellying (4) are equipped with spacing claw (5), be equipped with inclined plane (6) on spacing claw (5), be equipped with seal cover (7) between bellying (4) and the pressure portion (3), seal cover (7) are equipped with rampart (9), spacing claw (5) are through inclined plane (6) with rampart (9) towards central shrink, be equipped with shoulder (12) on bellying (4), be provided with baffle (13) on shoulder (12), be formed with the clearance between baffle (13) and the rotor.

2. A sealing slip ring as claimed in claim 1, wherein: a cavity is arranged between the rotor (2) and the stator (1), and a conductive medium (15) is arranged in the cavity.

3. A sealing slip ring as claimed in claim 2, wherein: the conductive medium (15) is mercury.

4. A sealing slip ring as claimed in claim 1, wherein: the stator (1) is provided with a bulge A (22), the rotor is provided with a bulge B (23), and the bulge A (22) and the bulge B (23) are arranged in a staggered mode.

5. A sealing slip ring as claimed in claim 1, wherein: the stator (1) comprises a base (16) and a slip ring cover (17), a sealing ring (14) is arranged between the base (16) and the slip ring cover (17), and the base (16) and the slip ring cover (17) are fixed through screws (18).

6. A sealing slip ring as claimed in claim 1, wherein: the rotor (2) is provided with a bearing (19), the outer end of the bearing (19) is matched with the stator (1), and the inner end of the bearing (19) is matched with the rotor (2).

7. A sealing slip ring as claimed in claim 1, wherein: the slip ring is provided with a fixed ring (20), and the fixed ring (20) is provided with a fixed hole (21).