CN221347581U - Wear-resistant sealing washer for screw hole inner shaft - Google Patents

Abstract

The utility model discloses a wear-resistant sealing gasket for an inner shaft of a screw hole, and belongs to the technical field of gaskets. The inner ring is fixedly arranged on the outer wall of the inner ring, an upper rotating sleeve is arranged at the upper end of the rigid washer, a lower rotating sleeve is arranged at the lower end of the rigid washer, and a clamping assembly is arranged at the inner side of the inner ring. The utility model solves the problems of the prior art that the sealing gasket has simple structure, poor wear resistance and anti-loose effect, thereby influencing the use effect of the gasket, and by arranging the upper rotating sleeve and the lower rotating sleeve, the rotating sleeve can rotate in the rigid gasket when being stressed, thereby ensuring the uniform stress of the whole gasket, reducing the friction force of the whole gasket, ensuring that the sealing gasket is more wear-resistant, clamping the bolt by arranging the clamping component, ensuring the connection between the gasket and the bolt to be tighter, reducing the deflection of the gasket, and playing the role of effective anti-loose and tight-making.

Description

Wear-resistant sealing washer for screw hole inner shaft

Technical Field

The utility model relates to the technical field of gaskets, in particular to a wear-resistant sealing gasket for a screw hole inner shaft.

Background

The sealing gasket is a transmission accessory for improving friction and tightness, and various materials and structures are provided with the components for fulfilling various similar functions, and the bearing surface of the fastening piece such as a bolt is not large due to the material and process limitation of the threaded fastening piece, so that the surface of the connected piece is protected for reducing the compressive stress of the bearing surface, and the gasket is adopted;

Chinese patent publication No. CN216343327U discloses a wear-resistant plain washer: in the use process, when vibration is generated at an application part, the vibration can be subjected to free damping treatment and constraint damping treatment, and converted into heat energy to be dissipated, so that the effective control of a vibration transmission path is realized, the vibration and acoustic response of a vibration body can be effectively reduced, and the purposes of vibration reduction and noise reduction are achieved.

However, in the above-mentioned technique, although the problem that the gasket does not have the vibration/noise reduction performance is solved, the following drawbacks are also involved:

The existing sealing gasket is simple in structure, and poor in wear resistance and anti-loosening effect, so that the using effect of the gasket is affected.

Disclosure of utility model

The utility model aims to provide a wear-resistant sealing gasket for a screw hole inner shaft, which is characterized in that an upper rotating sleeve and a lower rotating sleeve are arranged, the rotating sleeve rotates in a rigid gasket when being stressed, the stress uniformity of the whole gasket is ensured, the friction force of the whole gasket is reduced, the sealing gasket is more wear-resistant, a clamping assembly is arranged, a bolt can be clamped, the connection between the gasket and the bolt is tighter, the deflection of the gasket is reduced, the effective anti-loosening and tightening effects are achieved, and the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wear-resisting sealing washer of screw inner shaft, includes the inner circle, fixedly be provided with the rigid washer on the outer wall of inner circle, the upper end of rigid washer is provided with the cover that rotates, the lower extreme of rigid washer is provided with the cover that rotates down, the inner circle inboard is provided with the clamping assembly.

Preferably, the upper rotating sleeve and the lower rotating sleeve are respectively provided with a T-shaped sliding block at one side close to the rigid gasket, and the T-shaped sliding blocks are in sliding connection with the rigid gasket through T-shaped sliding grooves.

Preferably, the upper rotating sleeve and the lower rotating sleeve are provided with protruding points at one side far away from the rigid gasket.

Preferably, a groove is formed in the rigid gasket, a through hole is formed in one side of the groove, and the through hole is located in the inner ring.

Preferably, a movable plate is arranged in the groove, and the movable plate is fixedly connected with the rigid washer through a spring.

Preferably, a clamping block is arranged on one side, far away from the spring, of the movable plate, and one end of the clamping block extends to the outside of the inner ring.

Preferably, a rubber pad is fixedly arranged on the inner wall of the clamping block.

Compared with the prior art, the utility model has the following beneficial effects:

1. Through setting up and rotating the cover down, can rotate in the rigid washer 3 when rotating the cover atress, guarantee that whole packing ring atress is even, reduced the frictional force that whole packing ring received for this sealing washer is more wear-resisting.

2. Through setting up the clamping component, when the through-hole of packing ring is passed to the bolt, bolt tip and grip block contact, and the bolt removes and makes the grip block atress shrink to the recess in, does not influence the normal use of packing ring, and the in-process that the grip block shrink makes the spring compressed, and the elasticity that spring deformation produced acts on the grip block, makes the grip block clamp the bolt to make the better connection of packing ring and bolt.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the split structure of the upper and lower rotating sleeves of the present utility model;

FIG. 3 is a schematic view of the overall cross-sectional structure of the present utility model;

fig. 4 is a schematic view of the internal structure of the rigid gasket of the utility model.

In the figure: 1. an inner ring; 2. an upper rotating sleeve; 3. a rigid gasket; 4. a clamping assembly; 5. a lower rotating sleeve; 6. a bump; 7. a T-shaped slider; 301. a T-shaped chute; 302. a groove; 401. a clamping block; 402. a rubber pad; 403. a movable plate; 404. a spring; 405. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the technical problems that the sealing gasket in the prior art is simple in structure, and poor in wear resistance and anti-loosening effect, thereby influencing the service effect of the gasket, please refer to fig. 1-4, the following technical scheme is provided:

In this embodiment, a wear-resisting sealing washer in screw inner shaft, including inner circle 1, fixedly be provided with rigid washer 3 on the outer wall of inner circle 1, the upper end of rigid washer 3 is provided with and rotates cover 2, the lower extreme of rigid washer 3 is provided with down and rotates cover 5, the inner circle 1 inboard is provided with clamping assembly 4, inner circle 1 is located the inboard that rotates cover 2, rigid washer 3 and lower rotation cover 5, can rotate in rigid washer 3 when rotating the cover atress, guarantee that whole packing ring atress is even, the frictional force that whole packing ring received has been reduced, make this sealing washer wear-resisting more, through setting up clamping assembly 4, can press from both sides the bolt clamp, make the connection between packing ring and the bolt inseparabler, reduce the skew of packing ring, the effect of effectual locking system tightly has been played.

In this embodiment, the sides of the upper rotating sleeve 2 and the lower rotating sleeve 5, which are close to the rigid washer 3, are respectively provided with a T-shaped sliding block 7, the T-shaped sliding blocks 7 are slidably connected with the rigid washer 3 through a T-shaped sliding groove 301, and when the bolts and the nuts matched with the T-shaped sliding blocks are rotated, the washers are pressed on the surface of the connecting piece, the rotating sleeve is forced to drive the T-shaped sliding blocks 7 to rotate in the T-shaped sliding grooves 301, and the friction force on the surface of the rotating sleeve is reduced.

In this embodiment, the side of the upper rotating sleeve 2 and the lower rotating sleeve 5 far away from the rigid washer 3 are provided with protruding points 6, when the bolt and the matched nut are rotated, the nut is in direct contact with the protruding points 6, and the protruding points 6 can transmit the received force to the rotating sleeve, so that the rotating sleeve rotates, and the friction force received by the protruding points 6 is reduced.

In the present embodiment, the inside of the rigid washer 3 is provided with the groove 302, one side of the groove 302 is provided with the through hole 405, and the through hole 405 is located inside the inner ring 1.

In this embodiment, a movable plate 403 is disposed in the groove 302, the movable plate 403 is fixedly connected with the rigid washer 3 through a spring 404, the spring force of the spring 404 is used to realize movement of the movable plate 403, further realize movement of the clamping block 401, one side of the movable plate 403 away from the spring 404 is provided with the clamping block 401, one end of the clamping block 401 extends to the outside of the inner ring 1, when a bolt passes through the washer, the end of the bolt contacts with the clamping block 401, the clamping block 401 is forced to shrink into the groove 302 by the movement of the bolt, normal use of the washer is not affected, the spring 404 is compressed in the shrinking process of the clamping block 401, and the elastic force generated by deformation of the spring 404 acts on the clamping block 401, so that the clamping block 401 clamps the bolt, and therefore the washer and the bolt are better connected.

In this embodiment, the inner wall of the clamping block 401 is fixedly provided with a rubber pad 402, and the rubber pad 402 plays a role in skid resistance, so that the offset of the gasket is further reduced.

Working principle: when the bolt and the matched nut are rotated, the whole gasket is pressed on the surface of the connecting piece, the nut is in direct contact with the salient point 6, the salient point 6 can transmit the received force to the rotating sleeve, so that the rotating sleeve rotates, the rotating sleeve is stressed to drive the T-shaped sliding block 7 to rotate in the T-shaped sliding groove 301, the friction force received by the salient point 6 is reduced, the whole gasket is ensured to be stressed uniformly, the friction force received by the whole gasket is reduced, the sealing gasket is more wear-resistant, when the bolt passes through the gasket, the end part of the bolt is in contact with the clamping block 401, the clamping block 401 is stressed and contracted into the groove 302 by the bolt, the normal use of the gasket is not influenced, the spring 404 is compressed in the contraction process of the clamping block 401, and the elastic force generated by deformation of the spring 404 acts on the clamping block 401 to clamp the bolt, so that the gasket is better connected with the bolt.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a wear-resisting sealing washer of screw inner shaft, includes inner circle (1), its characterized in that: the novel inner ring is characterized in that a rigid gasket (3) is fixedly arranged on the outer wall of the inner ring (1), an upper rotating sleeve (2) is arranged at the upper end of the rigid gasket (3), a lower rotating sleeve (5) is arranged at the lower end of the rigid gasket (3), and a clamping assembly (4) is arranged on the inner side of the inner ring (1).

2. The screw hole inner shaft wear-resistant sealing gasket according to claim 1, wherein: and one sides of the upper rotating sleeve (2) and the lower rotating sleeve (5) close to the rigid gasket (3) are respectively provided with a T-shaped sliding block (7), and the T-shaped sliding blocks (7) are in sliding connection with the rigid gasket (3) through T-shaped sliding grooves (301).

3. The screw hole inner shaft wear-resistant sealing gasket according to claim 1, wherein: and salient points (6) are arranged on one sides of the upper rotating sleeve (2) and the lower rotating sleeve (5) far away from the rigid gasket (3).

4. The screw hole inner shaft wear-resistant sealing gasket according to claim 1, wherein: the inside of rigid washer (3) is provided with recess (302), one side of recess (302) is provided with through-hole (405), and through-hole (405) are located the inside of inner circle (1).

5. The screw hole inner shaft wear-resistant sealing gasket according to claim 4, wherein: a movable plate (403) is arranged in the groove (302), and the movable plate (403) is fixedly connected with the rigid gasket (3) through a spring (404).

6. The screw hole inner shaft wear-resistant sealing gasket according to claim 5, wherein: a clamping block (401) is arranged on one side, away from the spring (404), of the movable plate (403), and one end of the clamping block (401) extends to the outside of the inner ring (1).

7. The screw hole inner shaft wear-resistant sealing gasket of claim 6, wherein: the inner wall of the clamping block (401) is fixedly provided with a rubber pad (402).