CN214230849U

CN214230849U - Pulley and pulley assembly

Info

Publication number: CN214230849U
Application number: CN202022562916.XU
Authority: CN
Inventors: 张艺涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-09-21
Anticipated expiration: 2030-11-09

Abstract

The present disclosure provides a pulley comprising a roller, a base, a shaft and a suspension ring; the roller is provided with a shaft center hole, the base is provided with another shaft center hole, and the shaft can sequentially penetrate through the roller and the base; the middle part of the base is provided with a cavity, and the hanging ring can penetrate through the cavity of the base and is arranged above the shaft. The pulley assembly comprises a pulley and a slide rail, wherein the pulley is arranged in the slide rail and is supported by the surface of the inner wall of the slide rail; the pulley can roll on the inner wall surface of the slide rail. The design of split type structure has been realized, convenient to detach and equipment, cost of maintenance is low.

Description

Pulley and pulley assembly

Technical Field

The utility model relates to a curtain accessory, in particular to a pulley and a pulley component.

Background

The hook of the common curtain uses a sliding block, the sliding block is in friction fit with a sliding rail, a hanging ring is fixedly connected below the sliding block, and when the sliding block is worn for a long time, the sliding block cannot be maintained and can only be replaced together with the hanging ring, so that the problems of waste, high maintenance cost and the like are caused.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes technical problem among the prior art provides a pulley and loose pulley assembly, has realized the split type structural design of pulley, after the part wearing and tearing, convenient dismantlement and replacement, and cost of maintenance is low, changes advantages such as equipment.

The utility model provides a pulley, which comprises a roller, a base, a shaft and a hanging ring; the roller is provided with a shaft center hole, the base is provided with another shaft center hole, and the shaft can sequentially penetrate through the roller and the base; the middle part of the base is provided with a cavity, and the hanging ring can penetrate through the cavity of the base and is arranged above the shaft. The design of split type structure has been realized, convenient to detach and equipment, cost of maintenance is low.

Preferably, the number of the rollers is 2, and the rollers are respectively arranged at two sides of the base. The symmetrical arrangement, the design is more reasonable, and the atress is more even.

Any one of the above preferences is that the pulley further comprises a support base, the support base being adapted to the cavity; the cavity of the base penetrates through the base. The loading effect is increased, and a better supporting effect is provided for the base.

Any one of the above is preferable that one end of the support base is formed with a through hole which is fitted with the shaft. The transmission of load to the axle has been realized for the structure is more stable, and the durability improves.

Any one of the above is preferable, the shaft is arranged on the roller, the base, the supporting seat and the hanging ring in a penetrating way. The structure integrity is stronger, the stress is more reasonable, and the durability is improved.

Any one of the above is preferable, the axle center hole of the roller is further provided with a bearing, and the bearing is in rolling fit with the shaft.

Any one of the above is preferably that the roller is fixed to both sides of the base and is movable in the length direction of the shaft by a predetermined distance. The predetermined distance is typically relatively small, typically between 0 and 3 mm. The roller can slide smoothly, and the problems that the curtain can not be opened and closed due to clamping stagnation are avoided.

Any one of the above preferred is that the side surface of the supporting seat is approximately in a T shape, the supporting seat comprises a horizontal part and a vertical part, and the extending direction of the horizontal part is parallel to the connecting line direction of the two rollers; one end of the vertical part is connected with an ear part; the through hole of the ear part is matched with the shaft. The connection of the supporting seat, the base and the shaft is realized, the structural strength is higher, and the stress is more reasonable.

Any one of the above is preferable that the suspension ring is approximately in a shape of a runway, and one end of the suspension ring is arranged above the supporting seat and is attached to the surface of the ear part. The design that the load of the hoisting ring is transmitted to the supporting seat, the base and the shaft is realized, so that the structure is more reasonable, the strength is higher, and the durability is better.

The utility model also provides a pulley assembly, which comprises any one of the pulleys and a slide rail, wherein the pulley is arranged in the slide rail and is supported by the surface of the inner wall of the slide rail; the pulley can roll on the inner wall surface of the slide rail. The pulley can slightly move along the axial direction, so that the clamping stagnation of the pulley can be avoided.

The embodiment of the utility model has the following beneficial effect: the design of split type structure has been realized, convenient to detach and equipment, cost of maintenance is low.

Drawings

Fig. 1 is a schematic perspective view of a pulley according to a preferred embodiment 1 of the present invention;

fig. 2 is a schematic side view of a pulley according to a preferred embodiment of the present invention 1;

fig. 3 is a schematic cross-sectional view of a pulley according to a preferred embodiment 1 of the present invention;

fig. 4 is an exploded view of a pulley according to a preferred embodiment 1 of the present invention.

Reference numbers in the drawings:

1, rolling wheels; 2, a base; 3, shafts; 4, hanging rings; 5 supporting the base.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1 to 4, embodiment 1 provides a pulley comprising a roller 1, a base 2, a shaft 3, and a hoist ring 4; the roller 1 is provided with a shaft center hole, the base 2 is provided with another shaft center hole, and the shaft 3 can be sequentially arranged on the roller 1 and the base 2 in a penetrating way; a cavity is formed in the middle of the base 2, and the hanging ring 4 can pass through the cavity of the base 2 and be arranged above the shaft 3.

The quantity of gyro wheel 1 is 2, and sets up respectively in the both sides of base 2.

The pulley also comprises a supporting seat 5, and the supporting seat 5 is matched with the cavity; the cavity of the base 2 extends through the base 2.

One end of the supporting seat 5 is provided with a through hole which is matched with the shaft 3.

The shaft 3 is arranged through the roller 1, the base 2, the supporting seat 5 and the hanging ring 4.

The axle center hole of the roller 1 is also provided with a bearing, and the bearing is in rolling fit with the axle.

The rollers 1 are fixed to both sides of the base 2 and can move a predetermined distance in the length direction of the shaft 3. The predetermined distance is typically relatively small, typically between 0 and 3 mm.

The shape of the side surface of the supporting seat 5 is approximate to a T shape, the supporting seat 5 comprises a horizontal part and a vertical part, and the extending direction of the horizontal part is parallel to the connecting line direction of the two rollers 1; one end of the vertical part is connected with an ear part; the through-hole of the ear is adapted to the shaft 3.

The suspension ring 4 is approximately in a shape of a runway, one end of the suspension ring 4 is arranged above the supporting seat 5 and is attached to the surface of the ear part.

The utility model also provides a pulley component, which comprises a pulley and a slide rail, wherein the pulley is arranged in the slide rail and is supported by the surface of the inner wall of the slide rail; the pulley can roll on the inner wall surface of the slide rail.

Claims

1. A pulley is characterized by comprising a roller, a base, a shaft and a hanging ring; a shaft center hole is formed in the roller, another shaft center hole is formed in the base, and the shaft can sequentially penetrate through the roller and the base; the middle part of base is formed with the cavity, rings can pass the cavity of base and set up in the top of axle.

2. The pulley according to claim 1, wherein the number of the rollers is 2, and the rollers are respectively disposed on both sides of the base.

3. The pulley according to claim 2, further comprising a bearing block, said bearing block fitting into said cavity; the cavity of the base penetrates through the base.

4. The pulley according to claim 3, wherein one end of the bearing block is formed with a through hole adapted to the shaft.

5. The pulley according to claim 4, wherein the shaft is inserted through the roller, the base, the bearing seat and the hoisting ring.

6. The pulley according to claim 5, wherein a bearing is further disposed within the axial bore of the roller, the bearing being in rolling engagement with the shaft.

7. The pulley according to claim 6, wherein the roller is fixed to both sides of the base and is movable along a length direction of the shaft by a predetermined distance.

8. The pulley according to claim 7, wherein the lateral surface of the supporting seat is approximately "T" shaped, and the supporting seat comprises a horizontal part and a vertical part, and the horizontal part extends in a direction parallel to the direction of the line connecting the two rollers; one end of the vertical part is connected with an ear part; the through-hole of ear with the axle adaptation.

9. The pulley according to claim 8, wherein said eye is approximately "racetrack shaped" and one end of said eye is disposed above said bearing block and abuts against a surface of said ear.

10. A sheave assembly comprising the sheave of any one of claims 1-9, further comprising a sliding track, the sheave being disposed within the sliding track and supported by an inner wall surface of the sliding track; the pulley can roll on the inner wall surface of the sliding rail.