CN216891633U

CN216891633U - Shaft belt pulley of washing machine shaft assembly

Info

Publication number: CN216891633U
Application number: CN202220652906.1U
Authority: CN
Inventors: 李磊; 胡均杰; 李睿
Original assignee: Qingdao Fuqiang Electronics Co ltd
Current assignee: Qingdao Fuqiang Electronics Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-07-05
Anticipated expiration: 2032-03-24

Abstract

The utility model discloses a shaft pulley of a shaft assembly of a washing machine, which comprises a belt pulley disc, wherein the upper side wall of the belt pulley disc is fixedly connected with a belt pulley body, the upper side wall of the belt pulley body is fixedly connected with a belt pulley shaft, the insides of the belt pulley shaft and the belt pulley body are connected with a motor shaft in a sliding manner, and the left side wall of the motor shaft is provided with a shaft threaded hole; the left side wall of belt pulley axle is provided with the screw hole, the left side wall of screw hole is provided with the spacing groove, the belt pulley axle has fixing bolt through screw hole threaded connection, be provided with first locking pad and second locking pad between fixing bolt and the spacing groove, the left side wall of first locking pad is provided with first radiation face, the right side wall of second locking pad is provided with the second radiation face. In the utility model, when the fixing screw and the pulley shaft are loosened, the first anti-loosening pad and the second anti-loosening pad can rotate to replace the loosening of the screw, so that the fixing screw is supported and prevented from loosening.

Description

Shaft belt pulley of washing machine shaft assembly

Technical Field

The utility model relates to the technical field of washing machine parts, in particular to a shaft pulley of a washing machine shaft assembly.

Background

A washing machine is a cleaning appliance for washing laundry using mechanical action generated by electric energy, and a pulsator washing machine is one of the most common types of washing machines. The structural operation principle of the impeller type washing machine is that the washing machine is powered on, a user controls a computer board to power on a washing motor, a motor shaft rotates to drive a belt pulley to rotate, the torque of the washing motor is transmitted to a belt pulley of a clutch through a belt to drive the belt pulley to rotate, so that an impeller is driven to rotate, and after clothes in a washing barrel are soaked, the impeller rotates to drive water flow to the left and the right, so that the effect similar to manual clothes rubbing is achieved.

The belt pulley and the motor shaft are fastened by a screw containing a fastening agent. The center of a belt pulley of a general pulsator washing machine on the market is of a through hole structure, and when the pulsator washing machine is produced, a motor shaft needs to firstly penetrate through the belt pulley, then the top surface of the motor shaft and the top surface of the belt pulley are manually leveled, and then a screw is screwed. The mounting mode has obvious defects, firstly, the accidental deviation can occur by manual leveling, so that the actual leveling is not achieved, the height difference exists between the belt pulley and the belt wheel, and the belt inclines during operation, so that potential safety hazards are caused; secondly, the production steps are increased depending on manual work, which results in increased production cost.

Chinese patent CN202022382411.5 provides a belt pulley structure and washing machine for washing machine, and the device has realized accurate and motor shaft location through chamfer and spacing arch mutually supporting to having made things convenient for production, having practiced thrift manufacturing cost, the belt pulley is from taking location structure, can match with the motor shaft one by one, and accurate location can promote production efficiency, saves the cost of labor, reduces the artifical deviation contingency that causes. However, after a long time, the screw and the pulley shaft are loosened, so that the motor shaft is loosened, the performance of the washing machine is affected, and meanwhile, potential safety hazards are brought.

Therefore, in order to solve the above technical problems, it is necessary to provide a shaft pulley for a shaft assembly of a washing machine, which overcomes the above-mentioned drawbacks of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a shaft pulley of a shaft assembly of a washing machine.

In order to achieve the purpose, the utility model adopts the following technical scheme: the belt pulley comprises a belt pulley disc, wherein a belt pulley body is fixedly connected to the upper side wall of the belt pulley disc, a belt pulley shaft is fixedly connected to the upper side wall of the belt pulley body, a motor shaft is connected to the inner parts of the belt pulley shaft and the belt pulley body in a sliding manner, and a shaft threaded hole is formed in the left side wall of the motor shaft;

the left side wall of belt pulley axle is provided with the screw hole, the left side wall of screw hole is provided with the spacing groove, the belt pulley axle has fixing bolt through screw hole threaded connection, be provided with first locking pad and second locking pad between fixing bolt and the spacing groove, the left side wall of first locking pad is provided with first radiation face, the right side wall of second locking pad is provided with the second radiation face.

As a further description of the above technical solution:

the motor shaft is characterized in that a connecting shaft is arranged at the upper end of the motor shaft, the connecting shaft is a regular hexagonal prism, and a chamfer is arranged at the upper end of the connecting shaft.

As a further description of the above technical solution:

and a plurality of wind wheels are uniformly arranged on the lower side wall of the belt pulley disc.

As a further description of the above technical solution:

and an elastic pad is fixedly connected to the right inner wall of the shaft threaded hole.

As a further description of the above technical solution:

the shaft threaded hole is matched with the threaded hole.

As a further description of the above technical solution:

the first radiating surface and the second radiating surface are respectively provided with a plurality of wedge blocks, the first radiating surface is matched with the second radiating surface, and the gradient of each wedge block is greater than that of the thread of the threaded hole.

As a further description of the above technical solution:

the inside of spacing groove is provided with pressure sensor, pressure sensor sets up between second locking pad and spacing inslot wall.

As a further description of the above technical solution:

the first anti-loosening pad and the second anti-loosening pad are made of elastic rubber materials.

The utility model has the following beneficial effects:

compared with the prior art, this washing machine shaft subassembly's axle belt pulley has set up two locking pads, and when set screw and pulley shaft took place not hard up, because the wedge slope of locking pad internal surface is greater than the slope of screw thread, first locking pad will take place to rotate with the locking pad of second, has replaced the not hard up of screw, still plays the support to set screw, has played locking effect, can effectively avoid taking place set screw and pulley shaft and take place not hard up.

Drawings

FIG. 1 is an internal view of a shaft pulley of a washing machine shaft assembly according to the present invention;

FIG. 2 is a front view of a shaft pulley of a shaft assembly of a washing machine according to the present invention;

FIG. 3 is a schematic view of a motor shaft of a shaft pulley of a washing machine shaft assembly according to the present invention;

fig. 4 is a schematic view of a loosening prevention pad of a shaft pulley of a shaft assembly of a washing machine according to the present invention.

Illustration of the drawings:

1. a pulley body; 2. a pulley shaft; 201. a limiting groove; 202. a first anti-loosening pad; 203. a second anti-loosening pad; 204. a pressure sensor; 204. a first radiation pad; 205. a second radiation pad; 3. a pulley disc; 301. a wind wheel; 4. fixing the bolt; 5. a motor shaft; 501. a connecting shaft; 502. a shaft threaded bore; 503. an elastic pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

Referring to fig. 1-4, one embodiment of the present invention is provided: including pulley disc 3, the last lateral wall fixedly connected with pulley body 1 of pulley disc 3, the last lateral wall fixedly connected with pulley shaft 2 of pulley body 1, pulley shaft 2 has motor shaft 5 with the inside sliding connection of pulley body 1, the left side wall of motor shaft 5 is provided with axle screw hole 502, the right inner wall fixedly connected with cushion 503 of axle screw hole 502, the upper end of motor shaft 5 sets up to connecting axle 501, connecting axle 501 sets up to regular hexagonal prism, the upper end of connecting axle 501 is provided with the chamfer, the lower lateral wall of pulley disc 3 evenly is provided with a plurality of wind wheels 301.

The left side wall of the belt pulley shaft 2 is provided with a threaded hole, a shaft threaded hole 502 is matched with the threaded hole, the left side wall of the threaded hole is provided with a limiting groove 201, the belt pulley shaft 2 is in threaded connection with a fixing bolt 4 through the threaded hole, a first anti-loosening pad 202 and a second anti-loosening pad 203 are arranged between the fixing bolt 4 and the limiting groove 201, the left side wall of the first anti-loosening pad 202 is provided with a first radiation surface 204, the right side wall of the second anti-loosening pad 203 is provided with a second radiation surface 205, the first radiation surface 204 and the second radiation surface 205 are respectively composed of a plurality of wedge-shaped blocks, the first radiation surface 204 is matched with the second radiation surface 205, the gradient of each wedge-shaped block is larger than the gradient of the threaded hole, a pressure sensor 206 is arranged inside the limiting groove 201, the pressure sensor 206 is arranged between the inner side walls of the second anti-loosening pad 203 and the limiting groove 201, and the first anti-loosening pad 202 and the second anti-loosening pad 203 are uniformly made of elastic rubber materials.

The working principle is as follows: firstly, a connecting shaft 501 of a motor shaft 5 extends into a pulley shaft 2, a chamfer is matched with a groove, a shaft threaded hole 502 of the motor shaft 5 is opposite to a limiting groove 201, then a first anti-loosening pad 202 and a second anti-loosening pad 203 are added into the limiting groove 201, a first radiating surface 204 is matched with a second radiating surface 205, and finally a fixing bolt is inserted to fix the pulley shaft 2 and the motor shaft 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a washing machine axle subassembly's axle pulley, includes pulley disc (3), its characterized in that: the upper side wall of the belt wheel disc (3) is fixedly connected with a belt wheel body (1), the upper side wall of the belt wheel body (1) is fixedly connected with a belt wheel shaft (2), the belt wheel shaft (2) and the inside of the belt wheel body (1) are connected with a motor shaft (5) in a sliding mode, and the left side wall of the motor shaft (5) is provided with a shaft threaded hole (502);

the left side wall of belt pulley axle (2) is provided with the screw hole, the left side wall of screw hole is provided with spacing groove (201), belt pulley axle (2) have fixing bolt (4) through screw hole threaded connection, be provided with first locking pad (202) and second locking pad (203) between fixing bolt (4) and spacing groove (201), the left side wall of first locking pad (202) is provided with first radiation face (204), the right side wall of second locking pad (203) is provided with second radiation face (205).

2. The shaft pulley of a washing machine shaft assembly according to claim 1, wherein: the motor shaft is characterized in that the upper end of the motor shaft (5) is provided with a connecting shaft (501), the connecting shaft (501) is provided with a regular hexagonal prism, and the upper end of the connecting shaft (501) is provided with a chamfer.

3. The shaft pulley of a washing machine shaft assembly according to claim 1, wherein: the lower side wall of the belt pulley disc (3) is uniformly provided with a plurality of wind wheels (301).

4. The shaft pulley of a washing machine shaft assembly according to claim 1, wherein: an elastic pad (503) is fixedly connected to the right inner wall of the shaft threaded hole (502).

5. The shaft pulley of a washing machine shaft assembly according to claim 1, wherein: the shaft threaded hole (502) is matched with the threaded hole.

6. The shaft pulley of a washing machine shaft assembly according to claim 1, wherein: first radiation face (204) all have a plurality of wedge blocks to constitute with second radiation face (205), first radiation face (204) cooperatees with second radiation face (205), the wedge slope is greater than the screw thread slope of screw hole.

7. The shaft pulley of a washing machine shaft assembly according to claim 1, wherein: the pressure sensor (206) is arranged in the limiting groove (201), and the pressure sensor (206) is arranged between the second anti-loosening pad (203) and the inner side wall of the limiting groove (201).

8. The shaft pulley of a washing machine shaft assembly according to claim 1, wherein: the first anti-loosening pad (202) and the second anti-loosening pad (203) are uniformly made of elastic rubber materials.