CN219655199U

CN219655199U - Anti-loosening belt pulley

Info

Publication number: CN219655199U
Application number: CN202320163991.XU
Authority: CN
Inventors: 杨先作; 江建
Original assignee: Guangdong Kaiyang New Material Co ltd
Current assignee: Guangdong Kaiyang New Material Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-09-08
Anticipated expiration: 2033-02-07

Abstract

The utility model provides an anti-loosening belt pulley, which relates to the technical field of belt pulleys and comprises a first wheel disc, wherein a second wheel disc is arranged on one side of the first wheel disc, a middle shaft is fixedly arranged on one side of the first wheel disc, a butt joint disc is fixedly arranged on one side of the middle shaft, a butt joint groove is formed on one side of the second wheel disc opposite to the butt joint disc, a fixing bolt is rotationally connected between the butt joint disc and the second wheel disc, threaded holes are formed on two sides of the butt joint disc, the threaded holes are meshed with the fixing bolt, through holes are formed on two sides of the second wheel disc, and in actual use, the middle shaft in the middle of the belt pulley can change the diameter according to actual conditions by means of separating the first wheel disc, the second wheel disc, the butt joint disc and the fixing bolt are prevented from being loosened from the belt pulley due to long-time high-temperature working, and the belt pulley is beneficial to actual use.

Description

Anti-loosening belt pulley

Technical Field

The utility model relates to the technical field of belt pulleys, in particular to an anti-loosening belt pulley.

Background

The belt pulley belongs to a disc hub part, is generally relatively large in relative size, is mainly cast and forged in a manufacturing process, is mainly used for occasions for transmitting power in a long distance, such as power output of small diesel engine, agricultural vehicles, tractors, automobiles, mining machinery, machining equipment, textile machinery, packaging machinery, lathes, forging beds, power transmission of some small horsepower motorcycles, power transmission of agricultural machinery, air compressors, speed reducers, generators, cotton gins and the like, and is easy to expand and loosen from the belt pulley under the condition of high temperature in summer because the belt belongs to a rubber product, and the normal use of equipment is affected.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an anti-loosening belt pulley.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an anti-loosening belt pulley, includes a rim plate, one side of a rim plate is provided with No. two rims, one side fixed mounting of a rim plate has the axis, centraxonial one side is equipped with the butt joint dish admittedly, no. two rims are offered the butt joint groove for one side of butt joint dish, it is connected with fixing bolt to rotate between butt joint dish and the No. two rims.

In order to fix the first wheel disc and the second wheel disc, the utility model is improved in that threaded holes are formed in two sides of the butt joint disc, and the threaded holes are meshed with the fixing bolts.

In order to enable the fixing bolt to be inserted into the second wheel disc, the utility model is improved in that through holes are formed in two sides of the second wheel disc, and counter bores are formed in the positions, located at the through holes, of the surface of the second wheel disc.

In order to align the threaded hole and the through hole, the utility model is improved in that the top surface and the bottom surface of the butting disc are both provided with positioning convex edges, and the surface of the second wheel disc is provided with positioning grooves at the position of the butting groove.

In order to assist in positioning the belt, the belt positioning device is improved in that an auxiliary device is arranged between the first wheel disc and the second wheel disc, the auxiliary device comprises a limiting rod, the limiting rod is arranged between the first wheel disc and the second wheel disc, and insertion holes are formed in the surfaces of the first wheel disc and the second wheel disc.

In order to change the position of the limiting rod, the utility model is improved in that the jacks are symmetrically distributed on the top surface and the bottom surface of the first wheel disc and the second wheel disc.

In order to stabilize the limiting rod, the utility model is improved in that rubber sleeves are fixedly arranged on two sides of the limiting rod.

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

1. in actual use, the middle shaft in the middle of the belt pulley can change the diameter according to the actual condition by arranging the first wheel disc, the second wheel disc, the middle shaft, the butt joint disc, the butt joint groove and the fixing bolts and utilizing a mode of separating the first wheel disc from the second wheel disc, thereby playing a role in supporting the belt, avoiding the situation that the belt is collided and loosened from the belt pulley under high-temperature working for a long time, and being beneficial to actual use.

2. In the utility model, when in actual use, the auxiliary device is arranged, so that the auxiliary positioning belt is realized, the belt is convenient to mount on the belt pulley, and the belt is beneficial to actual use.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a belt pulley with anti-loosening function according to the present utility model;

FIG. 2 is a top view of a pulley according to the present utility model;

FIG. 3 is a side view of a pulley according to the present utility model showing a release-preventing feature;

fig. 4 is an enlarged view of a portion a of fig. 3 of an anti-loose pulley according to the present utility model.

Legend description:

1. a first wheel disc; 2. a second wheel disc; 3. a center shaft; 4. a butt joint disc; 5. a butt joint groove; 6. a fixing bolt; 7. a threaded hole; 8. a through hole; 9. countersink; 10. positioning ribs; 11. a positioning groove; 12. a limit rod; 13. a jack; 14. a rubber sleeve.

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, however, 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.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an anti-loosening belt pulley, including a rim plate 1, one side of a rim plate 1 is provided with No. two rim plates 2, one side fixed mounting of a rim plate 1 has axis 3, one side of axis 3 has fixedly to be equipped with butt joint dish 4, butt joint groove 5 has been seted up for one side of butt joint dish 4 to No. two rim plates 2, rotate between butt joint dish 4 and No. two rim plates 2 and be connected with fixing bolt 6, screw hole 7 has all been seted up to the both sides of butt joint dish 4, and screw hole 7 meshes with fixing bolt 6, through setting up screw hole 7, make fixing bolt 6 can lock butt joint dish 4 between No. two rim plates 2, through hole 8 has all been seted up to No. two rim plates 2's both sides, countersink 9 has still been seted up to No. 2's surface in the position department of through hole 8, through setting up countersink 9, the effect of hiding fixing bolt 6 has been played.

Referring to fig. 1-2, the top surface and the bottom surface of the docking plate 4 are both provided with positioning ribs 10, the surface of the second wheel plate 2 is provided with positioning grooves 11 at the position of the docking groove 5, and the positions of the threaded holes 7 and the through holes 8 can be kept flush by arranging the positioning ribs 10 and the positioning grooves 11.

In the second embodiment, referring to fig. 1-2, an auxiliary device is disposed between the first wheel disc 1 and the second wheel disc 2, the auxiliary device includes a limiting rod 12, the limiting rod 12 is disposed between the first wheel disc 1 and the second wheel disc 2, the surfaces of the first wheel disc 1 and the second wheel disc 2 are provided with insertion holes 13, the insertion holes 13 are symmetrically distributed on the top surfaces and the bottom surfaces of the first wheel disc 1 and the second wheel disc 2, and the effect of changing the positions of the limiting rod 12 is achieved by arranging multiple groups of insertion holes 13.

Referring to fig. 1-2, rubber sleeves 14 are fixedly installed on two sides of the limiting rod 12, and the rubber sleeves 14 are arranged to increase friction force at two ends of the limiting rod 12, so that the limiting rod can be firmly fixed on the insertion hole 13 between the first wheel disc 1 and the second wheel disc 2.

Working principle: through arranging the first wheel disc 1, the second wheel disc 2, the middle shaft 3, the butting disc 4, the butting groove 5 and the fixing bolts 6, when the belt pulley works in a high temperature state for a long time in summer, people can replace the middle shaft 3 with larger diameter to prop up the belt by disassembling the first wheel disc 1 and the second wheel disc 2, so as to avoid the situation that the belt loosens from the belt pulley due to the characteristic expansion of the belt, when the first wheel disc 1 and the second wheel disc 2 are required to be separated, the fixing bolts 6 are only required to be rotated from meshed threaded holes 7 and then pulled out from the through holes 8, at the moment, the butting disc 4 on the middle shaft 3 can be separated from the butting groove 5 without being limited, when the first wheel disc 1 and the second wheel disc 2 are required to be fixed, the positioning convex edges 10 on the butting disc 4 are only required to be aligned with the positioning grooves 11, then the butting disc 4 is required to be embedded into the butting groove 5, at this moment, screw hole 7 on the butt joint dish 4 keeps flush with through hole 8, through the mode of going deep fixing bolt 6, make it screw in screw hole 7 can play the effect of fixed wheel disc 1 and No. two wheel discs 2, fixing bolt 6 holds simultaneously and can not be protruding to No. two wheel discs 2 outsides in counter bore 9, thereby make the belt work smoothly, through setting up auxiliary device, in the belt installation location in-process, through the mode of inserting gag lever post 12 at wheel disc 1 and No. two wheel discs 2 jack 13, the condition that has played the slippage of preventing the belt from between wheel disc 1 and No. two wheel discs 2 appears, rely on rubber sleeve 14 self frictional force simultaneously, make gag lever post 12 can fasten between jack 13, thereby avoid the condition that gag lever post 12 slippage appears, after the belt is installed, again with gag lever post 12 follow jack 13 and take out can.

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. An anti-loosening belt pulley comprises a number one wheel disc (1), and is characterized in that: one side of wheel disc (1) is provided with No. two wheel discs (2), one side fixed mounting of wheel disc (1) has axis (3), one side of axis (3) has fixedly to connect dish (4), no. two wheel discs (2) have offered butt joint groove (5) for one side of butt joint dish (4), rotate between butt joint dish (4) and No. two wheel discs (2) and be connected with fixing bolt (6).

2. The anti-loose pulley as in claim 1, wherein: threaded holes (7) are formed in two sides of the butt joint disc (4), and the threaded holes (7) are meshed with the fixing bolts (6).

3. The anti-loose pulley as in claim 1, wherein: through holes (8) are formed in two sides of the second wheel disc (2), and counter bores (9) are formed in positions, located at the through holes (8), of the surface of the second wheel disc (2).

4. A loose-resistant pulley according to claim 3, wherein: the top surface and the bottom surface of the butt joint disc (4) are both provided with positioning convex edges (10), and the position of the surface of the second wheel disc (2) located in the butt joint groove (5) is provided with a positioning groove (11).

5. The anti-loose pulley as in claim 4, wherein: be provided with auxiliary device between wheel disc (1) and No. two wheel discs (2), auxiliary device include gag lever post (12), gag lever post (12) set up between wheel disc (1) and No. two wheel discs (2), jack (13) have all been seted up on the surface of wheel disc (1) and No. two wheel discs (2).

6. The anti-loose pulley as in claim 5, wherein: the jacks (13) are symmetrically distributed on the top surfaces and the bottom surfaces of the first wheel disc (1) and the second wheel disc (2).

7. The anti-loose pulley as in claim 5, wherein: rubber sleeves (14) are fixedly arranged on two sides of the limiting rod (12).