Convenient shaft head dust cover and shaft head

By designing a threaded connection between the cover and the shaft head and a sealing ring, combined with the threaded fit of the through area and the stress-bearing part, the problem of the dust cover loosening and falling off was solved, and a stable dustproof effect was achieved for the shaft head.

CN223662306UActive Publication Date: 2025-12-12NANJING RUIHENG AUTO PARTS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422142722.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-12-12
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

The existing dust cover and shaft head connection is prone to loosening and falling off due to severe vibration under heavy pressure or high-speed movement over a long period of time, making it not very practical.

Method used

A dust cover for the shaft head, comprising a cover body, an abutment part, and a sealing ring, is designed. The connection stability is enhanced by the threaded connection between the cover body and the shaft head and the sealing of the sealing ring, combined with the threaded fit of the through area and the force-bearing part.

Benefits of technology

It effectively prevents dust and stains from contaminating the dust cover, improves the tightness between the dust cover and the shaft head, avoids loosening and falling off, and enhances practicality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223662306U_ABST
    Figure CN223662306U_ABST
Patent Text Reader

Abstract

The utility model provides a convenient shaft head dust cover and a shaft head, and belongs to the technical field of dust covers, the convenient shaft head dust cover comprises a cover body, the cover body is used for covering the shaft head, a penetrating area and an abutting portion are arranged on the cover body, the abutting portion is arranged in the penetrating area, and the abutting portion is adjustably connected in the penetrating area and used for contacting the shaft head. The utility model solves the problems that the dust cover is loosened due to violent shaking when the joint of the existing dust cover and the shaft head is heavily pressed for a long time or moves at a high speed, so that the dust cover falls off from the shaft head, and the practicability is not high.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of dust cover technology, specifically relating to a convenient dust cover for shaft head and shaft head. Background Technology

[0002] In the field of industrial equipment, the shaft ends refer to the two ends of a shaft. A shaft is a mechanical part that supports rotating parts and rotates with them to transmit motion, torque, or bending moment. It is generally a metal rod, and each section can have a different diameter. The rotating parts in a machine are mounted on the shaft. The two ends of the shaft are usually called shaft ends, and shaft end dust covers are important devices used to protect the shaft ends and related components from external dust, dirt, and other impurities.

[0003] The existing dust cover and shaft head connection is prone to loosening and falling off due to severe vibration caused by prolonged heavy pressure or high-speed movement, making it impractical. Summary of the Invention

[0004] This utility model provides a convenient dust cover and shaft head, which aims to solve the problem that the existing dust cover and shaft head connection is prone to loosening and falling off due to severe vibration during long-term heavy pressure or high-speed movement, resulting in low practicality.

[0005] This utility model provides a convenient dust cover for a shaft head and a shaft head, including a cover body for covering the shaft head and having a through area thereon; and an abutment part disposed in the through area, the abutment part being adjustablely connected in the through area and used to contact the shaft head.

[0006] Furthermore, the cover includes a receiving cavity and a bottom ring, the receiving cavity being disposed on the bottom ring, and a sealing ring being disposed at the bottom of the bottom ring.

[0007] By adopting the above technical solution, the sealing ring can abut against the surface of the shaft head, thereby isolating the inside of the dust cover from the outside world and preventing dust and dirt from contacting the shaft head.

[0008] Furthermore, the internal cavity of the receiving cavity is cylindrical, and the inner wall surface of the receiving cavity is provided with threaded grooves.

[0009] By adopting the above technical solution, the cylindrical cavity can be adapted to the shaft head, and the threaded groove enables the dust cover and the shaft head to be threadedly connected.

[0010] Furthermore, the receiving cavity is divided into a side surface and an end surface. The side surface is located around the shaft head, and the end surface is parallel to the top surface of the shaft head. The through area is disposed on the side surface or the end surface, and the abutting part is threadedly engaged with the through area.

[0011] By adopting the above technical solution, the contact part can abut against the side or end face of the shaft head through the through part.

[0012] Furthermore, the sides are divided into several pairs, with each pair of sides arranged in parallel.

[0013] By adopting the above technical solution, the dust cover can be firmly connected to the shaft head by using a number of pairs of parallel side panels to allow workers to use appropriate tools to twist it.

[0014] This utility model embodiment provides a shaft head, including a base, a shaft head body provided on the base, a threaded outer surface of the shaft head body, and a force-bearing part provided on the shaft head body.

[0015] Furthermore, the force-receiving part and the through area are in communication with each other, and the force-receiving part is threadedly engaged with the contact part.

[0016] By adopting the above technical solution, the contact part can pass through the through area and the force-bearing part, and make threaded contact with the through area and the force-bearing part, which greatly improves the tightness between the dust cover and the shaft head, making it less likely to fall off due to external force and improving practicality.

[0017] The beneficial effects of this utility model are as follows:

[0018] 1. By setting a sealing ring, when the protective cover is tightened between the protective cover and the shaft head body, the sealing ring is squeezed in the middle, thereby isolating the inside of the protective cover from the outside world and preventing dust and other stains from contaminating the shaft head.

[0019] 2. This utility model, through the setting of the receiving cavity, allows the operator to use appropriate tools to twist it through several pairs of sides of the receiving cavity, so that the dust cover can be firmly connected to the shaft head.

[0020] 3. With the design of the through part, the force-bearing part and the contact part, when the dust cover and the shaft head body are tightened, the through part and the force-bearing part correspond to each other. Then, the operator can screw the contact part from the through part into the force-bearing part, making the dust cover and the shaft head more secure and less likely to fall off due to external force.

[0021] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the description and the drawings. Attached Figure Description

[0022] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0023] Figure 1 This is a top view of an embodiment of the present utility model.

[0024] Figure 2 This is a bottom view of the structure of an embodiment of the present utility model;

[0025] Figure 3 This is a front view structural diagram of the cover body according to an embodiment of the present utility model;

[0026] Figure 4 This is a front view structural diagram of the shaft head according to an embodiment of the present utility model;

[0027] Reference numerals: 1. Cover; 2. Penetration area; 3. Contact part; 4. Receiving cavity; 41. Side; 42. End face; 5. Bottom ring; 6. Sealing ring; 7. Base; 8. Shaft head body; 9. Force-bearing part. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. The same reference numerals in the drawings represent the same components. It should be noted that the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0029] Reference Figure 1-4This utility model provides a convenient dust cover for a shaft head and a shaft head, including a cover body 1 for covering the shaft head, and a through area 2 thereon; the cover body 1 includes a receiving cavity 4 and a bottom ring 5, the receiving cavity 4 is disposed on the bottom ring 5, and a sealing ring 6 is provided at the bottom of the bottom ring 5, the sealing ring 6 can abut against the surface of the shaft head, thereby isolating the inside of the cover body 1 from the outside world and preventing dust and dirt from contacting the shaft head, the internal cavity of the receiving cavity 4 is cylindrical, and the inner wall surface of the receiving cavity 4 is provided with a threaded groove, the cylindrical cavity can be adapted to the shaft head, and the threaded groove allows the cover body 1 and the shaft head to be threadedly connected, and an abutment part 3. 3 is set in the through area 2. The abutment part 3 is adjustablely connected in the through area 2 and is used to contact the shaft head. The receiving cavity 4 is divided into a side 41 and an end face 42. The side 41 is located on the periphery of the shaft head, and the end face 42 is parallel to the top surface of the shaft head. The side 41 is divided into several pairs, and each pair of side 41 is arranged in parallel. Through the several pairs of parallel side 41, the operator can use a suitable tool to twist it so that the cover 1 can be firmly connected to the shaft head. The through area 2 is set on the side 41 or the end face 42. The abutment part 3 is threaded with the through area 2. The abutment part 3 can abut against the side 41 or the end face 42 of the shaft head through the through area 2.

[0030] Reference Figure 1-4 This utility model embodiment provides a shaft head, including a base 7, a shaft head body 8 on the base 7, a thread on the outer surface of the shaft head body 8, a force-receiving part 9 on the shaft head body 8, the force-receiving part 9 communicating with the through area 2, the force-receiving part 9 threadedly engaging with the contact part 3, the contact part 3 being able to pass through the through area 2 and the force-receiving part 9, and threadedly engaging with the through area 2 and the force-receiving part 9, thereby the contact part 3 being able to abut against the inside of the force-receiving part 9, greatly improving the tightness between the cover 1 and the shaft head, making it less likely to fall off due to external force, and improving practicality.

[0031] The specific implementation method is as follows: During use, the operator screws the cover 1 onto the shaft head body 8. Through the threaded groove on the inner wall of the receiving cavity 4 and the thread on the outer surface of the shaft head body 8, the cover 1 can be fixed to the outside of the shaft head. After tightening, the sealing ring 6 can be clamped between the cover 1 and the base 7, so that the inside of the cover 1 is isolated from the outside world, preventing the shaft head body 8 from being contaminated by dust and other stains. At the same time, after the operator tightens the cover 1, through the threaded connection between the contact part 3, the through area 2, and the force-bearing part 9, the cover 1 can be more firmly connected to the shaft head body 8. This effectively avoids the dust cover from loosening due to severe vibration during long-term heavy pressure or high-speed movement, and thus the dust cover falling off the shaft head, greatly improving practicality.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A convenient dust cover for shaft ends, characterized in that, include: Cover (1), the cover (1) is used to cover the shaft head, and a through area (2) is provided thereon; A contact part (3) is disposed in the through area (2), the contact part (3) is adjustablely connected in the through area (2), and is used to contact the shaft head; The internal cavity of the receiving cavity (4) is cylindrical, and the inner wall surface of the receiving cavity (4) is provided with threaded grooves; The receiving cavity (4) is divided into a side surface (41) and an end surface (42). The side surface (41) is located on the periphery of the shaft head, and the end surface (42) is parallel to the top surface of the shaft head. The through area (2) is disposed on the side surface (41) or the end surface (42), and the contact part (3) is threadedly engaged with the through area (2).

2. A convenient dust cover for shaft ends according to claim 1, characterized in that: The cover (1) includes a receiving cavity (4) and a bottom ring (5). The receiving cavity (4) is disposed on the bottom ring (5), and a sealing ring (6) is disposed at the bottom of the bottom ring (5).

3. A convenient dust cover for shaft ends according to claim 1, characterized in that: The side (41) is divided into several pairs, and each pair of side (41) is arranged in parallel.

4. A shaft head, said shaft head being adapted to a convenient shaft head dust cover according to any one of claims 1-3, comprising a base (7), characterized in that: The base (7) is provided with a shaft head body (8), the outer surface of the shaft head body (8) is provided with threads, and the shaft head body (8) is provided with a force-bearing part (9).

5. A shaft head according to claim 4, characterized in that: The force-receiving part (9) is connected to the through area (2), and the force-receiving part (9) is threadedly engaged with the contact part (3).