CN221176673U

CN221176673U - High-durability grounding ring

Info

Publication number: CN221176673U
Application number: CN202322793193.8U
Authority: CN
Inventors: 钟武凌; 葛凌; 钟凌惠
Original assignee: Shenzhen Yisitai Technology Co ltd
Current assignee: Shenzhen Yisitai Technology Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-06-18
Anticipated expiration: 2033-10-17

Abstract

The utility model relates to the technical field of grounding rings, in particular to a high-durability grounding ring which comprises a lower shell and an upper shell, wherein a support is fixedly arranged on the bottom surface of the lower shell, a fixing bolt is arranged in the support, a fixing block is fixedly arranged in the lower shell, a screw hole is formed in the surface of the fixing block, a positioning hole is formed in the surface of the upper shell, a positioning bolt is inserted into the positioning hole, and an upper round hole is formed in the surface of the upper shell. According to the utility model, the positioning bolts are screwed into the screw holes, so that the upper shell and the lower shell can be fastened, the limiting block is used for clamping with the limiting groove, the stability between the mulberry shell and the lower shell can be improved, loosening is avoided in the use process, the annular block is used for extruding the sealing ring, the tightness of the conductive semi-ring between the upper shell and the lower shell is improved, and fragments are prevented from falling into the space between the upper shell and the lower shell.

Description

High-durability grounding ring

Technical Field

The utility model relates to the technical field of grounding rings, in particular to a grounding ring with high durability.

Background

With the increase of low-carbon requirements, new energy automobile industry is increasingly developed. The requirements for the driving motor are obviously improved, the development of the motor industry is pushed to a new height, and higher requirements are provided for the performance, the safety coefficient, the service life and the like of the motor. In the driving motor, the rotating speed is mainly regulated and controlled through controlling the voltage frequency, a common-mode voltage is formed by capacitance induction on a motor bearing when the speed is regulated and controlled, and the motor bearing is discharged, so that pits and electric corrosion spots appear on the surface of the motor bearing, the motor bearing is damaged, the motor is invalid, the whole facility work is influenced, and the number of bulletin is: CN216564838U discloses a shaft grounding ring suitable for a high-rotation-speed motor, which comprises a copper shell, a copper clamp and a silver-plated carbon fiber bundle, wherein the copper shell is annular, the copper clamp is embedded in the copper shell, the silver-plated carbon fiber bundle passes through the copper clamp, the silver-plated carbon fiber bundle protrudes out of the inner end of the copper shell, a copper jackscrew is arranged on the copper shell and used for fixing the copper clamp, and a PTFE ring used for sealing is arranged on the copper shell.

Disclosure of utility model

The present utility model is directed to solving the technical problems set forth in the background art.

The utility model adopts the following technical scheme: the utility model provides a high earth ring of durability, includes shell and last shell down, the bottom surface fixed mounting of shell has the support down, the inside of support is provided with fixing bolt, the inside fixed mounting of shell has the fixed block down, the screw has been seted up on the surface of fixed block, the locating hole has been seted up on the surface of going up the shell, fixing bolt has been inserted to the inside of locating hole, the round hole has been seted up on the surface of going up the shell, the round hole has been seted up down on the surface of shell, the equal fixed mounting in inside of round hole and round hole has the sealing washer down, the inside of shell is provided with electrically conductive semi-ring down, electrically conductive semi-ring's surface fixed mounting has the annular piece.

Preferably, the upper round hole and the lower round hole are positioned on the same axis, and the diameters of the upper round hole and the lower round hole are equal. Here, the motor shaft can be made to pass through the ground ring stably.

Preferably, a limiting block is fixedly arranged on the bottom surface of the upper shell, and a limiting groove is formed in the surface of the lower shell. Here, carry out the block cooperation through stopper and spacing groove, can improve the stability between shell and the lower shell.

Preferably, the fixing blocks are symmetrically distributed in the lower shell, and the positions of the screw holes correspond to the positions of the positioning holes. Here, it is convenient to screw the positioning bolt into the screw hole.

Preferably, annular blocks are arranged on two sides of the conductive semi-ring, and the annular blocks are respectively positioned in the upper round hole and the lower round hole. Here, the sealing property of the conductive semi-ring in the upper and lower cases can be improved by pressing the annular block with the sealing strip.

Preferably, the inside of lower shell is fixed mounting has the lug, the surface fixed mounting of lug has the spring, the one end that the spring kept away from the lug is fixed mounting on the surface of electrically conductive semi-ring. Here, can slide the semi-ring of electric conductor with the elastic potential energy of spring to adjust the aperture between the semi-ring of two sets of electric conductors, be convenient for adapt to the motor shaft of different diameters.

Preferably, the surface of the electric conduction semi-ring is fixedly provided with a sliding rod, the inner part of the lower shell is fixedly provided with a sliding cylinder, and the sliding rod is in sliding connection with the inner part of the sliding cylinder. Here, the stability of the conductive half ring on the lower case can be improved.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. According to the utility model, the upper shell and the lower shell are butted through the fixing block, the screw hole, the positioning bolt, the positioning hole, the limiting block and the limiting groove, the limiting block is clamped with the limiting groove, the screw hole is aligned with the positioning hole, and then the positioning bolt is screwed into the screw hole, so that the upper shell can be fastened on the lower shell, the stability between the upper shell and the lower shell is improved, the grounding ring is not easy to loosen in the use process, the durability of the grounding ring is improved, the sealing ring is extruded by the annular block when the conducting semi-ring is adhered to the motor shaft through the sealing ring and the annular block structure, the sealing performance between the upper shell and the lower shell of the conducting semi-ring is improved, the damage caused by falling of scraps into the upper shell and the lower shell is avoided, the normal use of the grounding ring is influenced, the service life of the grounding ring is prolonged, and the durability of the grounding ring is improved.

2. According to the utility model, the sliding rod, the sliding cylinder, the convex blocks and the spring structure are arranged, when the grounding ring is installed, the motor shaft extrudes the conductive semi-rings, the conductive semi-rings extrude the springs, so that the aperture between two groups of conductive semi-rings can be adjusted, a person can conveniently install the grounding ring on the motor shafts with different diameters, the adaptability of the grounding ring is improved, and when the conductive semi-rings slide, the conductive semi-rings can slide in the sliding cylinder stably by utilizing the sliding rod, and the conductive semi-rings are prevented from moving in a dislocation manner.

Drawings

FIG. 1 is a schematic view of a highly durable grounding ring according to the present utility model;

FIG. 2 is a bottom view of a highly durable ground ring according to the present utility model;

FIG. 3 is a schematic view of a lower housing of a highly durable ground ring according to the present utility model;

fig. 4 is a schematic view showing an upper case of a grounding ring with high durability according to the present utility model.

Legend description:

1. A lower housing; 2. an upper housing; 3. a bracket; 4. a fixing bolt; 5. a fixed block; 6. a screw hole; 7. positioning bolts; 8. positioning holes; 9. a limiting block; 10. a limit groove; 11. a round hole is formed on the upper surface; 12. a lower round hole; 13. a seal ring; 14. a conductive half ring; 15. an annular block; 16. a slide bar; 17. a slide cylinder; 18. a bump; 19. and (3) a spring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a high-durability grounding ring, including lower shell 1 and last shell 2, the bottom surface fixed mounting of lower shell 1 has support 3, the inside of support 3 is provided with fixing bolt 4, can conveniently carry out fixed mounting with grounding ring and motor, the inside fixed mounting of lower shell 1 has fixed block 5, screw hole 6 has been seted up to the surface of fixed block 5, locating hole 8 has been seted up on the surface of upper shell 2, locating bolt 7 has been inserted to the inside of locating hole 8, fixed block 5 is the symmetry form in the inside of lower shell 1 and distributes, the position of screw hole 6 corresponds with the position of locating hole 8, the bottom surface fixed mounting of upper shell 2 has stopper 9, the surface of lower shell 1 has been seted up spacing groove 10, when carrying out butt joint installation with upper shell 2 and lower shell 1, insert stopper 9 in spacing groove 10, make stopper 9 and spacing groove 10 carry out the block cooperation, at this moment, locating hole 8 aligns with screw hole 6, the positioning bolt 7 passes through the positioning hole 8 to be screwed into the screw hole 6, the upper shell 2 can be fastened on the lower shell 1, the stability between the upper shell 2 and the lower shell 1 is improved, the grounding ring is not easy to loose in the use process, the durability of the grounding ring is improved, the surface of the upper shell 2 is provided with an upper round hole 11, the surface of the lower shell 1 is provided with a lower round hole 12, the upper round hole 11 and the lower round hole 12 are positioned on the same axis, the diameters of the upper round hole 11 and the lower round hole 12 are equal, a motor shaft can stably pass through the grounding ring, the conductive semi-ring 14 is attached to the motor shaft, the grounding protection is conveniently carried out on the motor shaft by utilizing the conductive semi-ring 14, the sealing rings 13 are fixedly arranged in the upper round hole 11 and the lower round hole 12, the conductive semi-ring 14 is fixedly arranged in the lower shell 1, the surface of the conductive semi-ring 14 is provided with an annular block 15, the both sides of electrically conductive semi-ring 14 all are provided with annular piece 15, annular piece 15 is located the inside of going up round hole 11 and lower round hole 12 respectively, can improve the leakproofness between ground ring and the motor shaft through utilizing sealing washer 13, when electrically conductive semi-ring 14 and motor shaft paste for annular piece 15 extrudees sealing washer 13, improved the leakproofness between electrically conductive semi-ring 14 at last shell 2 and lower shell 1 simultaneously, avoid in the use, the piece drops and enters into between shell 2 and the lower shell 1, the inside of ground ring causes the damage, influence the normal use of ground ring, the life of ground ring has been improved, thereby improve the durability of ground change.

Example two

Referring to fig. 3, a bump 18 is fixedly installed inside the lower housing 1, a spring 19 is fixedly installed on the surface of the bump 18, one end of the spring 19 away from the bump 18 is fixedly installed on the surface of the conductive semi-ring 14, a sliding rod 16 is fixedly installed on the surface of the conductive semi-ring 14, a sliding barrel 17 is fixedly installed inside the lower housing 1, the sliding rod 16 is in sliding connection with the inside of the sliding barrel 17, when the grounding ring is installed on a motor shaft, the motor shaft passes through the upper circular hole 11 and the lower circular hole 12, so that the conductive semi-ring 14 can be positioned on the surface of the motor shaft, when motor shafts with different diameters are used, the motor shaft extrudes the conductive semi-ring 14, then the conductive semi-ring 14 slides in the lower housing 1, the conductive semi-ring 14 extrudes the spring 19, and then the aperture between the two groups of conductive semi-ring 14 can be adjusted, when the conductive semi-ring 14 slides, the conductive semi-ring 14 drives the sliding rod 16 to slide in the inside the sliding barrel 17, the conductive semi-ring 14 can stably slide in the lower housing 1, dislocation movement of the conductive semi-ring 14 is avoided, the conductive semi-ring 14 can be tightly attached to the surface of the motor shaft by utilizing elastic potential energy of the spring 19, and the diameters of the conductive semi-ring 14 can be conveniently attached to the grounding ring on the surface of different grounding rings.

Working principle: when the grounding ring is used, the bracket 3 and the motor can be fixed by the fixing bolts 4, so that the grounding ring is arranged on an electric shock, when the upper shell 2 and the lower shell 1 are in butt joint and are arranged, the limiting block 9 is inserted into the limiting groove 10, the limiting block 9 and the limiting groove 10 are in clamping fit, at the moment, the positioning hole 8 is aligned with the screw hole 6, the positioning bolts 7 pass through the positioning hole 8 and are screwed into the screw hole 6, the upper shell 2 can be fastened on the lower shell 1, the stability between the upper shell 2 and the lower shell 1 is improved, the grounding ring is not easy to loose in the use process, the durability of the grounding ring is improved, the upper round hole 11 and the lower round hole 12 are positioned on the same axis, the motor shaft stably passes through the grounding ring, the conductive semi-ring 14 is attached to the motor shaft, the motor shaft is conveniently protected by the conductive semi-ring 14 in a grounding way, the sealing performance between the grounding ring and the motor shaft can be improved by utilizing the sealing ring 13, when the conductive semi-ring 14 is attached to the motor shaft, the annular block 15 extrudes the sealing ring 13, the sealing performance between the upper shell 2 and the lower shell 1 of the conductive semi-ring 14 is improved, fragments are prevented from falling between the upper shell 2 and the lower shell 1 in the use process, the inside of the grounding ring is damaged, the normal use of the grounding ring is influenced, the service life of the grounding ring is prolonged, the durability of the grounding ring is improved, when the grounding ring is installed on the motor shaft, the motor shaft passes through the upper round hole 11 and the lower round hole 12, the conductive semi-ring 14 can be positioned on the surface of the motor shaft, when the motor shaft with different diameters is used, the motor shaft extrudes the conductive semi-ring 14, then the conductive semi-ring 14 slides in the lower shell 1, and the conductive semi-ring 14 extrudes the spring 19, when the conductive semi-ring 14 slides, the conductive semi-ring 14 drives the sliding rod 16 to slide in the sliding barrel 17, so that the conductive semi-ring 14 can slide in the lower shell 1 stably, dislocation movement of the conductive semi-ring 14 is avoided, the conductive semi-ring 14 can be tightly attached to the surface of a motor shaft by utilizing elastic potential energy of the spring 19, convenience is brought to people to install the grounding ring on motor shafts with different diameters, and suitability of the grounding ring is improved.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a high earth ring of durability, includes shell (1) and last shell (2), its characterized in that down: the utility model discloses a lower shell, including shell (1) and fixed mounting, bottom surface fixed mounting of shell (1) has support (3), the inside of support (3) is provided with fixing bolt (4), the inside fixed mounting of shell (1) has fixed block (5), screw (6) have been seted up on the surface of fixed block (5), locating hole (8) have been seted up on the surface of last shell (2), locating bolt (7) have been inserted in the inside of locating hole (8), last round hole (11) have been seted up on the surface of last shell (2), round hole (12) have been seted up on the surface of shell (1) down, the inside of going up round hole (11) and round hole (12) is equal fixed mounting has sealing washer (13), the inside of shell (1) is provided with electrically conductive semi-ring (14) down, the fixed mounting of electrically conductive semi-ring (14) has annular piece (15).

2. The high durability ground ring of claim 1 wherein: the upper round hole (11) and the lower round hole (12) are positioned on the same axis, and the diameters of the upper round hole (11) and the lower round hole (12) are equal.

3. The high durability ground ring of claim 1 wherein: the bottom surface of the upper shell (2) is fixedly provided with a limiting block (9), and the surface of the lower shell (1) is provided with a limiting groove (10).

4. The high durability ground ring of claim 1 wherein: the fixing blocks (5) are symmetrically distributed in the lower shell (1), and the positions of the screw holes (6) correspond to the positions of the positioning holes (8).

5. The high durability ground ring of claim 1 wherein: annular blocks (15) are arranged on two sides of the conductive semi-ring (14), and the annular blocks (15) are respectively located in the upper round hole (11) and the lower round hole (12).

6. The high durability ground ring of claim 1 wherein: the inside of lower shell (1) is fixed mounting has lug (18), the surface fixed mounting of lug (18) has spring (19), the one end that lug (18) was kept away from to spring (19) is fixed mounting on the surface of electrically conductive semi-ring (14).

7. The high durability ground ring of claim 1 wherein: the surface of the electric conduction semi-ring (14) is fixedly provided with a sliding rod (16), the inside of the lower shell (1) is fixedly provided with a sliding barrel (17), and the sliding rod (16) is in sliding connection with the inside of the sliding barrel (17).