CN221003554U

CN221003554U - Coupler with protection structure

Info

Publication number: CN221003554U
Application number: CN202322695681.5U
Authority: CN
Inventors: 王蓉
Original assignee: Zhejiang Ruizhan Transmission Technology Co ltd
Current assignee: Zhejiang Ruizhan Transmission Technology Co ltd
Priority date: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-05-24
Anticipated expiration: 2033-10-08

Abstract

The utility model discloses a coupler with a protective structure, which relates to the technical field of couplers and comprises a shaft sleeve, wherein the upper surface of the shaft sleeve penetrates through and is in threaded connection with a fastening bolt, the outer wall of the fastening bolt is in threaded connection with a connecting block, the outer wall of the shaft sleeve is rotationally connected with a circular ring, the outer wall of the shaft sleeve is provided with an annular groove, the upper surface of the shaft sleeve is provided with a limit groove, the inner wall of the circular ring is elastically connected with a limit block through a compression spring, the upper surface of the limit block penetrates through and is fixedly connected with a circular rod, and the inner wall of the top end of the circular ring is fixedly connected with a clamping block. According to the utility model, the arc-shaped block is driven to clamp the rotating shaft by rotating the circular ring, so that the coupler is primarily fixed on the rotating shaft, at the moment, two hands can be used for screwing the bolt, the problem that the installation angle of the coupler is deviated and the subsequent use is influenced due to uneven stress caused by screwing the bolt by only one hand is solved, and the stability of the subsequent use is improved.

Description

Coupler with protection structure

Technical Field

The utility model relates to the technical field of couplings, in particular to a coupling with a protection structure.

Background

A coupling is a device for connecting two shafts, typically for transmitting power and torque, so that the two shafts can work together, and can transmit rotational motion between the different shafts while allowing some degree of relative displacement and angular misalignment between the shafts, thus still working effectively in the event of misalignment of the shafts or slight vibration.

When part of the coupler is installed, the rotating shaft is required to be inserted into the shaft sleeve, the fastening bolt is rotated to fix the rotating shaft, but the coupler is required to be held by one hand when the bolt is screwed, the screw is screwed by the other hand, the bolt is screwed by one hand, uneven stress is easy to occur, the installation angle of the coupler is deviated, the subsequent use is affected, meanwhile, in the process of installing the coupler, if the installation force is too large, the collision between the rotating shaft and the coupler is easy to occur, the coupler and the rotating shaft are possibly worn or even damaged, and the subsequent use is affected.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the coupler with the protection structure, which solves the problems that in the prior art, when the coupler is installed, a rotating shaft is required to be inserted into a shaft sleeve, and then a fastening bolt is rotated to fix the rotating shaft, but because the coupler is required to be held by one hand when the bolt is screwed down, and the bolt is screwed down by the other hand, the bolt is screwed down by only one hand, uneven stress is easy to occur, so that the installation angle of the coupler is deviated, and the subsequent use is influenced.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a shaft coupling that possesses protective structure, includes the axle sleeve, the upper surface of axle sleeve runs through and threaded connection has fastening bolt, fastening bolt's outer wall threaded connection has the connecting block, the outer wall of axle sleeve rotates and is connected with the ring, the ring channel has been seted up to the outer wall of axle sleeve, the spacing groove has been seted up to the upper surface of axle sleeve, compression spring elastic connection has the stopper is passed through to the inner wall of ring, the upper surface of stopper runs through and fixedly connected with round bar, the inner wall fixedly connected with fixture block on ring top, the upper surface of axle sleeve runs through and sliding connection has the locating piece, the lower fixed surface of locating piece is connected with the arc piece, the inner wall of axle sleeve has the briquetting through connecting spring elastic connection, the rear surface sliding connection of axle sleeve has the cross slider.

Preferably, a chute is formed in the inner wall of the shaft sleeve, a disc is elastically connected to the inner wall of the chute through a reset spring, and a rubber pad is fixedly connected to the front surface of the disc.

Preferably, the limiting block is slidably connected to the inner wall of the circular ring, one end of the compression spring is fixedly connected to the upper surface of the limiting block, and the other end of the compression spring is fixedly connected to the inner wall of the top end of the circular ring.

Preferably, the round rod penetrates through and is connected to the upper surface of the circular ring in a sliding mode, and the round rod is inserted into the inner wall of the limiting groove.

Preferably, the lower surface of the clamping block is an inclined surface, and the upper surface of the positioning block is an inclined surface.

Preferably, the pressing block penetrates through and is fixedly connected to the rear surface of the positioning block, one end of the connecting spring is fixedly connected to the lower surface of the pressing block, the other end of the connecting spring is fixedly connected to the inner wall of the bottom end of the shaft sleeve, and the connecting block is slidably connected to the front surface of the shaft sleeve.

Preferably, the disc is slidably connected to the inner wall of the chute.

Preferably, one end of the return spring is fixedly connected to the rear surface of the disc, and the other end of the return spring is fixedly connected to the inner wall of the rear side of the chute.

(III) beneficial effects

The utility model provides a coupler with a protection structure. The beneficial effects are as follows:

(1) This coupling that possesses protective structure drives the arc piece through rotating the ring and will rotate the axle chucking when using, makes the coupling preliminarily fix in the pivot, and at this moment, can use two hands to revolve and twist the bolt, has solved and has revolved with one hand and twist the bolt, and the atress is uneven, leads to the coupling installation angle to appear the deviation, influences the problem of subsequent use, has improved the stability of subsequent use.

(2) This coupling that possesses protective structure is when using, buffers the pivot through rubber pad and reset spring, alleviates the collision between pivot and the coupling, has solved because coupling and pivot collide, leads to wearing and tearing and the problem of damage, has reduced loss of property to the influence to subsequent use has been reduced.

Drawings

FIG. 1 is a schematic perspective view of the whole device of the present utility model;

FIG. 2 is a perspective view of the overall device of the present utility model;

FIG. 3 is a schematic side view in cross section of a three-dimensional structure of a shaft sleeve, a connecting block and a circular ring of the utility model;

FIG. 4 is a schematic rear view in cross section of a sleeve and ring three-dimensional structure of the present utility model;

Fig. 5 is an enlarged schematic view of a portion a of fig. 3 according to the present utility model.

In the figure: 1. a shaft sleeve; 2. a connecting block; 3. a circular ring; 4. a cross slide block; 5. a round bar; 6. a fastening bolt; 7. an arc-shaped block; 8. a disc; 9. a rubber pad; 10. a positioning block; 11. a limiting block; 12. a compression spring; 13. a return spring; 14. a connecting spring; 15. briquetting; 16. and (5) clamping blocks.

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.

Referring to fig. 1-5, the utility model provides a coupling with a protection structure, which comprises a shaft sleeve 1 used for connecting a rotating shaft, wherein the shaft sleeve 1 is provided with two groups, limit grooves used for limiting the rotating shaft are symmetrically distributed on the upper surface of the shaft sleeve 1, fastening bolts 6 used for clamping the rotating shaft are connected through threads, the rotating shaft is inserted into the shaft sleeve 1, the fastening bolts 6 can be screwed down to fix the rotating shaft, a connecting block 2 used for clamping the rotating shaft is connected through threads on the outer wall of the fastening bolts 6, the connecting block 2 can be driven to move downwards in the screwing process of the fastening bolts 6, the outer wall of the shaft sleeve 1 is rotationally connected with a circular ring 3 used for connecting the clamping blocks 16, annular grooves are formed in the outer wall of the shaft sleeve 1, the clamping blocks 16 slide on the inner wall of the annular grooves, limit grooves are formed in the upper surface of the shaft sleeve 1, limit blocks 11 connected with the inner wall of the circular ring 3 through compression springs 12 in an elastic mode, the upper surface of the limit blocks 11 penetrate through and are fixedly connected with round rods 5 used for limiting the circular ring 3, the top ends of the circular ring 3 are fixedly connected with clamping blocks 16, the rotating ring 3 can be driven to move through the clamping blocks 16, the clamping blocks 10 are uniformly arranged on the inner wall of the surface of the shaft sleeve 1 and are connected with the inner wall of the annular grooves through the annular grooves, and the inner wall of the annular grooves are connected with the annular grooves through the annular grooves, and the inner wall is uniformly arranged on the inner wall of the annular grooves is connected with the inner wall 1 through the annular grooves, and the annular grooves is provided with the inner wall is provided with the annular blocks 1, and the annular blocks 1 is connected with the annular blocks 1 through the annular blocks and is provided with the annular blocks 1 and is provided with the annular sleeve 1 and is provided with the clamping sleeve 1.

Further, the inner wall of the shaft sleeve 1 is provided with a chute connected with the disc 8, the inner wall of the chute is elastically connected with the disc 8 connected with the rubber pad 9 through a reset spring 13, the front surface of the disc 8 is fixedly connected with the rubber pad 9, and the rubber pad 9 can be used for buffering the rotating shaft.

Still further, stopper 11 sliding connection is at the inner wall of ring 3, stopper 11 slides from top to bottom along the inner wall of ring 3, compression spring 12's one end fixed connection is at the upper surface of stopper 11, compression spring 12's the other end fixed connection is at the inner wall at ring 3 top, upward movement stopper 11 can extrude compression spring 12 and produce the reaction force, round bar 5 runs through and sliding connection is at the upper surface of ring 3, it can drive stopper 11 and remove to remove round bar 5, round bar 5 peg graft at the inner wall of spacing groove, can carry out spacing to ring 3, the multiunit has been seted up to the spacing groove, evenly distributed is at the outer wall of axle sleeve 1, the lower surface of fixture block 16 is the inclined plane, the upper surface of locating piece 10 is the inclined plane, the upper surface of extrusion locating piece 10 can make locating piece 10 down move and drive briquetting 15 and arc piece 7 down, briquetting 15 runs through and fixed connection is at the rear surface of locating piece 10, the one end fixed connection of coupling spring 14 is at the lower surface of briquetting 15, the other end fixed connection of coupling spring 14 is at the inner wall of axle sleeve 1 bottom, briquetting 15 down moves can extrude coupling spring 14 and produce the reaction force, 2 sliding connection is at the inner wall of spacing groove, the front surface of axle sleeve 1 can reduce the pivot of joint 1, can be fixed to the joint piece is opened down.

Further, the disc 8 is slidably connected to the inner wall of the chute, and slides back and forth along the inner wall of the chute, one end of the return spring 13 is fixedly connected to the rear surface of the disc 8, the other end of the return spring 13 is fixedly connected to the inner wall of the rear side of the chute, and the disc 8 moves backward to squeeze the return spring 13 to generate a reaction force.

In the utility model, when in use, the rotating shaft is firstly inserted into the shaft sleeve 1, in the process of inserting the rotating shaft into the shaft sleeve 1, in order to prevent overlarge force, the rotating shaft is firstly contacted with the rubber pad 9 in the process of inserting the rotating shaft into the shaft sleeve 1, the rubber pad 9 and the disc 8 synchronously move backwards, the disc 8 moving backwards can squeeze the reset spring 13 to generate a reaction force, the buffer effect can be realized on the rotating shaft to prevent collision between the overlarge force rotating shaft and the shaft sleeve 1, after the external force is relieved, the disc 8 and the rubber pad 9 can reset under the pushing of the reset spring 13, then the round rod 5 is pulled upwards to lead the round rod 5 to be separated from the limit groove to release the limit on the round ring 3, the round rod 5 moving upwards can also drive the limit block 11 to move upwards to squeeze the compression spring 12 to generate the reaction force, then the round rod 5 is pulled to drive the round ring 3 to rotate, the rotating round ring 3 can drive the clamping block 16 to move to squeeze the inclined surface of the positioning block 10, the positioning block 10 can move downwards after being extruded and drives the arc-shaped block 7 to move downwards to clamp the rotating shaft, the downward moving positioning block 10 can also drive the pressing block 15 to move downwards to extrude the connecting spring 14 to generate a reaction force, then the round rod 5 is loosened, the reaction force of the compression spring 12 can push the limiting block 11 to move downwards, the downward moving limiting block 11 can drive the round rod 5 to move downwards and the other limiting groove to be inserted and connected to limit the circular ring 3, the stability of the device is ensured, then the rotating fastening bolt 6 drives the connecting block 2 to slide downwards to completely fix the rotating shaft, when the disassembly is needed, the rotating fastening bolt 6 is rotated reversely firstly to drive the connecting block 2 to slide upwards to release the clamping of the connecting block 2 on the rotating shaft, then the round rod 5 is pulled upwards, the round rod 5 can be separated from the limiting groove to release the limiting and the limiting block 11 can be driven to move upwards to extrude the compression spring 12 to generate the reaction force, then reverse rotation ring 3, reverse rotation ring 3 can drive fixture block 16 reverse movement to release the extrusion to locating piece 10, and after the locating piece 10 loses the extrusion, the reaction force of connecting spring 14 can promote briquetting 15 and upwards move to reset, and briquetting 15 can drive locating piece 10 and arc piece 7 upwards to move to reset, and the arc piece 7 of upwards moving can contact the centre gripping to the pivot, then takes off the pivot.

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

1. The utility model provides a shaft coupling that possesses protective structure, includes axle sleeve (1), its characterized in that: the upper surface of axle sleeve (1) runs through and threaded connection has fastening bolt (6), the outer wall threaded connection of fastening bolt (6) has connecting block (2), the outer wall of axle sleeve (1) rotates and is connected with ring (3), the ring channel has been seted up to the outer wall of axle sleeve (1), the spacing groove has been seted up to the upper surface of axle sleeve (1), the inner wall of ring (3) has stopper (11) through compression spring (12) elastic connection, the upper surface of stopper (11) runs through and fixedly connected with pole (5), the inner wall fixedly connected with fixture block (16) on ring (3) top, the upper surface of axle sleeve (1) runs through and sliding connection has locating piece (10), the lower surface fixedly connected with arc piece (7) of locating piece (10), the inner wall of axle sleeve (1) is through connecting spring (14) elastic connection briquetting (15), the back surface sliding connection of axle sleeve (1) has cross slider (4).

2. A coupling with protective structure according to claim 1, wherein: the inner wall of the shaft sleeve (1) is provided with a sliding groove, the inner wall of the sliding groove is elastically connected with a disc (8) through a return spring (13), and the front surface of the disc (8) is fixedly connected with a rubber pad (9).

3. A coupling with protective structure according to claim 1, wherein: the limiting block (11) is slidably connected to the inner wall of the circular ring (3), one end of the compression spring (12) is fixedly connected to the upper surface of the limiting block (11), and the other end of the compression spring (12) is fixedly connected to the inner wall of the top end of the circular ring (3).

4. A coupling with protective structure according to claim 1, wherein: the round rod (5) penetrates through the upper surface of the circular ring (3) in a sliding connection mode, and the round rod (5) is inserted into the inner wall of the limiting groove.

5. A coupling with protective structure according to claim 1, wherein: the lower surface of the clamping block (16) is an inclined plane, and the upper surface of the positioning block (10) is an inclined plane.

6. A coupling with protective structure according to claim 1, wherein: the pressing block (15) penetrates through the rear surface of the positioning block (10) and is fixedly connected with the lower surface of the pressing block (15), one end of the connecting spring (14) is fixedly connected with the inner wall of the bottom end of the shaft sleeve (1), and the connecting block (2) is slidably connected with the front surface of the shaft sleeve (1).

7. A coupling with protective structure according to claim 2, characterized in that: the disc (8) is connected with the inner wall of the chute in a sliding way.

8. A coupling with protective structure according to claim 2, characterized in that: one end of the return spring (13) is fixedly connected to the rear surface of the disc (8), and the other end of the return spring (13) is fixedly connected to the inner wall of the rear side of the chute.