CN215803976U

CN215803976U - Balance pulley

Info

Publication number: CN215803976U
Application number: CN202122000875.XU
Authority: CN
Inventors: 张朝辉
Original assignee: Foshan Meigao Sanitary Ware Co ltd
Current assignee: Foshan Meigao Sanitary Ware Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-11
Anticipated expiration: 2031-08-24

Abstract

The utility model provides a balance pulley which comprises a mounting frame, a pulley body, a connecting shaft and a shaft sleeve, wherein two horizontally arranged mounting holes are formed in the mounting frame, the left part and the right part of each mounting hole are connected with the shaft sleeve, the shaft sleeve is sleeved on the connecting shaft, the left end and the right end of the connecting shaft are connected with the pulley body, the pulley body comprises an outer wheel and a bearing, the outer peripheral surface of the bearing is in interference fit with the inner peripheral surface of the outer wheel, the inner peripheral surface of the bearing is in interference fit with the connecting shaft, the pulley body is arranged on the side of the mounting frame, one end of the shaft sleeve is provided with a flange, the flange is arranged between the pulley body and the mounting frame, and the mounting holes or the connecting shaft are in clearance fit with the shaft sleeve. The utility model has the advantage of uniform stress on the pulley.

Description

Balance pulley

Technical Field

The utility model belongs to the field of shower room accessories, and particularly relates to a balance pulley.

Background

A pulley comprises a frame and wheels, one frame usually connecting more than four wheels. The pulley is fixedly connected with a door leaf of the shower room, and the pulley drives the door leaf to move horizontally when rolling on the rail.

Because a support is usually connected with more than four wheel bodies, when the matching between the support and the wheel bodies and the matching error between the wheel bodies and the sliding rail are large, only two or three of the four wheel bodies can roll on the sliding rail or the ground, so that the stress of the pulleys is uneven, and the smooth movement of the shower room door leaf can be influenced.

Therefore, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: only part of the wheel body in the pulley can roll on the slide rail, and the stress of the pulley is uneven.

In order to achieve the purpose, the specific technical scheme of the utility model is as follows:

the utility model provides a balance pulley, includes mounting bracket, wheel body, connecting axle and axle sleeve, be equipped with the mounting hole that two levels set up on the mounting bracket, the left part and the right part of mounting hole all are connected with the axle sleeve, the axle sleeve cover is established on the connecting axle, the left end and the right-hand member of connecting axle all are connected with the wheel body, and the wheel body includes foreign steamer and bearing, the outer peripheral face of bearing and the inner peripheral surface interference fit of foreign steamer, the inner peripheral surface and the connecting axle interference fit of bearing, the wheel body is located the side of mounting bracket, the one end of axle sleeve is equipped with the flange, the flange is located the wheel body with between the mounting bracket, the mounting hole or the connecting axle with axle sleeve clearance fit.

As a further improvement of the technical scheme, the shaft sleeve is made of nylon.

As a further improvement of the above technical solution, the side wall of the flange abuts against the side wall of the mounting bracket, the side wall of the flange abuts against the side wall of the bearing, and the wheel body is a circular wheel, a grooved wheel, a single-side grooved wheel or a bevel wheel.

As a further improvement of the technical scheme, one end of the connecting shaft is provided with a limiting bulge, and the limiting bulge is abutted against the side wall of the bearing.

As a further improvement of the technical scheme, the connecting shaft is made of steel.

As a further improvement of the technical scheme, the anti-loosening nylon piece further comprises a suspension clamp nut and a nylon anti-loosening piece, a counter sink hole is formed in the mounting frame, the suspension clamp nut is arranged in the counter sink hole, the nylon anti-loosening piece is also arranged in the counter sink hole, and the nylon anti-loosening piece is in interference fit with the counter sink hole.

As a further improvement of the above technical scheme, the mounting bracket includes center post, linking arm and installation department, the mounting hole is located on the installation department, the both ends of linking arm respectively with the center post with the installation department rigid coupling, the thickness of linking arm is less than the thickness of center post with the thickness of installation department, heavy platform hole is located in the center post, the cross section on the upper portion of heavy platform hole personally submits the octagon.

The utility model has the beneficial effects that: the connecting shaft is used for fixedly connecting the left and right adjacent wheel bodies, the shaft sleeve is used for connecting the connecting shaft and the mounting hole, the position of the wheel body is adjusted by utilizing the connecting gap between the shaft sleeve and the mounting hole, and the height of the left and right adjacent wheel bodies can be adjusted within a certain range. According to the shower room door leaf, the three wheels are in butt joint with the external sliding rail, the fourth wheel can be automatically adjusted to be in butt joint with the external rail within a certain range, the balance pulleys are evenly stressed, and the shower room door leaf can move smoothly.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic diagram of a second embodiment of the present invention;

FIG. 4 is a schematic diagram of a third embodiment of the present invention;

fig. 5 is a schematic diagram of a fourth embodiment of the present invention.

In the figure: 1-mounting frame, 11-mounting part, 111-mounting hole, 12-central column, 121-counter sink hole, 13-connecting arm, 2-wheel body, 21-outer wheel, 22-bearing, 3-connecting shaft, 31-limiting protrusion, 4-shaft sleeve, 41-flange, 5-suspension clamp nut and 6-nylon anti-loosening piece.

Detailed Description

The utility model is described in detail below with reference to specific embodiments.

As shown in fig. 1 to 2, the first embodiment of the present invention specifically includes:

the utility model provides a balance pulley, including mounting bracket 1, wheel body 2, connecting axle 3 and axle sleeve 4, be equipped with the mounting hole 111 that two levels set up on mounting bracket 1, the left part and the right part of mounting hole 111 all are connected with

axle sleeve

4, 4 covers of axle sleeve are established on connecting axle 3, the left end and the right-hand member of connecting axle 3 all are connected with wheel body 2, wheel body 2 includes foreign steamer 21 and bearing 22, bearing 22's outer peripheral surface and foreign steamer 21's inner peripheral surface interference fit, bearing 22's inner peripheral surface and 3 interference fit of connecting axle, mounting bracket 1's side is located to wheel body 2, the one end of axle sleeve 4 is equipped with flange 41, flange 41 is located between wheel body 2 and the mounting bracket 1, mounting hole 111 or connecting

axle

3 and 4 clearance fit of axle sleeve.

The principle of the utility model is that the connecting shaft 3 is used for fixedly connecting the two wheel bodies 2 which are adjacent left and right, the shaft sleeve 4 is used for connecting the connecting shaft 3 with the mounting hole 111, the connecting gap between the shaft sleeve 4 and the mounting hole 111 or the gap between the shaft sleeve 4 and the connecting shaft 3 is used for adjusting the position of the wheel body 2, and the height of the two adjacent left and right wheel bodies 2 can be adjusted within a certain range. According to the shower room door leaf, the plane is determined by the three points, after the three wheel bodies 2 are abutted to the external sliding rail, the fourth wheel body 2 can be automatically adjusted to be abutted to the external rail within a certain range, the stress of the balance pulley is uniform, and the shower room door leaf can move smoothly.

In a preferred embodiment, the material of the sleeve 4 is nylon. Nylon shaft sleeve 4 has smooth, wear-resisting, the high benefit of toughness, adopts nylon shaft sleeve 4 to have better silence effect.

Further, the side wall of the flange 41 abuts against the side wall of the mount 1, the side wall of the flange 41 abuts against the side wall of the bearing 22, and the wheel body 2 is a circular wheel. The structure of this embodiment can avoid axle sleeve 4 for mounting bracket 1 horizontal migration, makes outer wheel 21 and mounting bracket 1 spaced apart simultaneously, reduces the collision noise in the balance pulley use.

In some embodiments, one end of the connecting shaft 3 is provided with a limiting protrusion 31, and the limiting protrusion 31 abuts against the side wall of the bearing 22. The limiting protrusions 31 are used for enhancing the reliability of connection between the connecting shaft 3 and the wheel body 2, and the two ends of the connecting shaft 3 are in interference fit with the bearings 22 and abut against the bearings, so that the shaking of the two wheel bodies 2 is reduced.

In some embodiments, the material of the connecting shaft 3 is steel. The connecting shaft 3 of steel has high hardness and can resist deformation.

In the preferred embodiment, still include suspension clamp nut 5 and nylon anti-loosening element 6, be equipped with the heavy platform hole 121 of vertical setting in the mounting bracket 1, suspension clamp nut 5 locates the upper portion in heavy platform hole 121, and nylon anti-loosening element 6 locates the top of suspension clamp nut 5, and nylon anti-loosening element 6 and heavy platform hole 121 interference fit. The suspension clamp nut 5 is used for connecting a peripheral screw, the screw is used for connecting a peripheral glass door leaf, and the nylon anti-loosening piece 6 is used for preventing the screw from rotating, so that the glass sagging phenomenon caused by the rotation of the screw is avoided.

In a further preferred embodiment, the mounting frame 1 includes a central column 12, a connecting arm 13 and a mounting portion 11, the mounting hole 111 is disposed on the mounting portion 11, two ends of the connecting arm 13 are fixedly connected to the central column 12 and the mounting portion 11, respectively, the thickness of the connecting arm 13 is smaller than the thickness of the central column 12 and the thickness of the mounting portion 11, the counter sink hole 121 is disposed in the central column 12, and the cross section of the upper portion of the counter sink hole 121 is octagonal. Thinner linking arm 13 can dodge wheel body 2, has better locking effect behind octagonal heavy platform hole 121 and the nylon of octagon anti-loosening 6 adaptation.

As shown in fig. 3, the second embodiment of the present invention is different from the first embodiment in that: the wheel body 2 is a grooved wheel.

As shown in fig. 4, the third embodiment of the present invention is different from the first embodiment in that: the wheel body 2 is a single-side grooved wheel.

As shown in fig. 5, a fourth embodiment of the present invention is different from the first embodiment in that: the wheel body 2 is a bevel wheel.

The features of the embodiments and embodiments described above may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "length," "upper," "lower," "top," "bottom," "inner," "outer," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A balance pulley, characterized by: including mounting bracket, wheel body, connecting axle and axle sleeve, be equipped with the mounting hole that two levels set up on the mounting bracket, the left part and the right part of mounting hole all are connected with the axle sleeve, the axle sleeve cover is established on the connecting axle, the left end and the right-hand member of connecting axle all are connected with the wheel body, and the wheel body includes foreign steamer and bearing, the outer peripheral face of bearing and the inner peripheral surface interference fit of foreign steamer, the inner peripheral surface and the connecting axle interference fit of bearing, the wheel body is located the side of mounting bracket, the one end of axle sleeve is equipped with the flange, the flange is located the wheel body with between the mounting bracket, the mounting hole or the connecting axle with axle sleeve clearance fit.

2. The balance pulley according to claim 1, wherein: the shaft sleeve is made of nylon.

3. The balance pulley according to claim 2, wherein: the lateral wall of flange with the lateral wall butt of mounting bracket, the lateral wall of flange with the lateral wall butt of bearing, the wheel body is round wheel, sheave, unilateral sheave or bevel wheel.

4. The balance pulley according to claim 1, wherein: one end of the connecting shaft is provided with a limiting bulge, and the limiting bulge is abutted to the side wall of the bearing.

5. The balance pulley according to claim 1, wherein: the connecting shaft is made of steel.

6. The balance pulley according to claim 1, wherein: still include suspension clamp nut and nylon anti-loosening piece, be equipped with the heavy platform hole in the mounting bracket, the suspension clamp nut is located in the heavy platform hole, nylon loosens anti-loosening piece and also locates in the heavy platform hole, nylon anti-loosening with heavy platform hole interference fit.

7. The balance pulley according to claim 6, wherein: the mounting bracket includes center post, linking arm and installation department, the mounting hole is located on the installation department, the both ends of linking arm respectively with the center post with the installation department rigid coupling, the thickness of linking arm is less than the thickness of center post with the thickness of installation department, heavy platform hole is located in the center post, the cross section on the upper portion of heavy platform hole personally submits the octagon.