CN111394946B

CN111394946B - Washing machine

Info

Publication number: CN111394946B
Application number: CN202010168293.XA
Authority: CN
Inventors: 赵光辉; 聂杰文; 高尚; 付强; 石小超
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2022-07-01
Anticipated expiration: 2040-03-11
Also published as: CN111394946A

Abstract

The invention relates to the technical field of household appliances, and discloses a washing machine which comprises an outer barrel, an inner barrel, a belt pulley and a motor, wherein the inner barrel is arranged inside the outer barrel, the belt pulley is arranged outside the outer barrel and is in transmission connection with the inner barrel through a rotating shaft, the motor is arranged outside the outer barrel, and an output shaft of the motor is in transmission connection with the belt pulley through a belt. Compared with the prior art, the first reinforcing rib and the second reinforcing rib of the belt pulley can increase the strength and the rigidity of the spoke, so that the spoke has a smaller cross section area while meeting the requirements of high strength and large rigidity. Based on the technical scheme, the washing machine provided by the invention has the advantages of small vibration, low noise, long service life and good performance, and can improve the use experience of customers and improve the life quality of the customers.

Description

Washing machine

Technical Field

The invention relates to the technical field of household appliances, in particular to a washing machine.

Background

The performance of the washing machine, which is a household appliance frequently used in daily life, directly affects the quality of life of people, and the performance of the washing machine is closely related to the belt pulley.

As an important transmission component of a washing machine, a pulley generally needs to undergo conditions such as acceleration and deceleration, high-speed rotation, and the like, and is subjected to a large torque, and therefore, the pulley must have good strength, rigidity, and stability to reduce bouncing, reduce resistance, and reduce noise. However, the existing belt pulley has low strength, low rigidity and poor stability, is easy to generate phenomena of structural deformation, noise increase and the like after long-term use, and has short service life, thereby affecting the performance of the washing machine and reducing the life quality of customers.

Disclosure of Invention

The invention aims to provide a washing machine with small vibration, low noise, long service life and good performance.

In order to achieve the above object, the present invention provides a washing machine, comprising:

an outer cylinder;

an inner cylinder disposed inside the outer cylinder;

the belt pulley is arranged outside the outer cylinder and is in transmission connection with the inner cylinder through a rotating shaft;

the motor is arranged outside the outer barrel, and an output shaft of the motor is in transmission connection with the belt pulley through a belt;

wherein, the belt pulley includes wheel hub, rim and spoke, wheel hub is equipped with the confession the shaft hole that the pivot penetrated, the rim is located wheel hub's periphery and with the shaft hole is coaxial, the belt tensioning in on the rim, the spoke is established to at least two, and it is located wheel hub with center on between the rim wheel hub evenly distributed, the first end connection of spoke in wheel hub, the second end of spoke includes two at least branch ends, a branch end connect in the rim, be equipped with on the spoke and extend to the first strengthening rib of rim, be equipped with on the rim and connect each the second strengthening rib of branch end.

Preferably, the second end portion includes two of the branch ends, a triangle formed by the two branch ends belonging to the same spoke and a branch point of the spoke is referred to as a support triangle, the support triangle is an isosceles triangle, and the branch point of the spoke is a vertex angle of the support triangle.

According to the preferable scheme, the first reinforcing rib is arranged on the surface, back to the outer barrel, of the spoke, a groove is formed in the position, close to the hub, of the first reinforcing rib, the groove is an isosceles triangle, and the vertex angle of the groove is opposite to the vertex angle of the supporting triangle.

Preferably, the surface of the second reinforcing rib facing the outer cylinder is provided with a plurality of first toggle plates which are uniformly distributed around the shaft hole, and the first toggle plates are arranged at the connecting part of the second reinforcing rib and the wheel rim.

Preferably, each of the first toggle plates is disposed on a perpendicular line between connecting lines of every two adjacent branch ends.

Preferably, the hub is provided with a first boss protruding from the surface of the spoke facing the outer cylinder and surrounding the shaft hole, the surface of the spoke facing the outer cylinder is provided with a plurality of second brackets uniformly distributed around the first boss, and the second brackets are arranged at the joint of the spoke and the first boss.

Preferably, the second toggle plates are respectively arranged on the symmetrical center line of the spokes.

Preferably, the hub has a second boss protruding from a surface of the spoke facing away from the outer cylinder and surrounding the shaft hole.

Preferably, the first end portions of two adjacent spokes are connected to each other, and the first reinforcing ribs of two adjacent spokes are connected to each other.

Preferably, the hub is offset from the plane of the rim in a direction away from the outer barrel.

The invention provides a washing machine, compared with the prior art, the washing machine has the beneficial effects that:

the first reinforcing rib and the second reinforcing rib of the belt pulley can increase the strength and the rigidity of the spoke, so that the spoke has smaller cross section area while meeting the requirements of high strength and high rigidity. Based on the technical scheme, the washing machine provided by the invention has the advantages of small vibration, low noise, long service life and good performance, and can improve the use experience of customers and improve the life quality of the customers.

Drawings

Fig. 1 is a schematic view of an internal structure of a washing machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of a pulley of an embodiment of the present invention on a side facing away from an outer cylinder;

FIG. 3 is a schematic view of a pulley of an embodiment of the present invention on a side facing an outer cylinder;

FIG. 4 is a schematic perspective view of a pulley according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of a pulley of an embodiment of the present invention.

In the figure: 1. an outer cylinder; 2. a belt pulley; 21. a hub; 211. a shaft hole; 212. a first boss; 213. a second boss; 22. a rim; 23. a spoke; 231. a branch end; 24. a first reinforcing rib; 241. a groove; 25. a second reinforcing rib; 26. a first toggle plate; 27. a second toggle plate; 3. a motor; 4. a belt.

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.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

As shown in figure 1, the invention provides a washing machine, which mainly comprises an outer cylinder 1, an inner cylinder, a belt pulley 2 and a motor 3, wherein the inner cylinder is arranged inside the outer cylinder 1, the belt pulley 2 is arranged outside the outer cylinder 1 and is in transmission connection with the inner cylinder through a rotating shaft, the motor 3 is arranged outside the outer cylinder 1, and an output shaft of the motor 3 is in transmission connection with the belt pulley 2 through a belt 4.

Wherein, as shown in fig. 2 to 5, belt pulley 2 includes wheel hub 21, rim 22 and spoke 23, wheel hub 21's center is equipped with the shaft hole 211 that supplies the pivot to penetrate, rim 22 locates wheel hub 21's periphery and coaxial with shaft hole 211, belt 4 tensioning is on rim 22, spoke 23 sets up to at least two, it locates between wheel hub 21 and the rim 22 and around wheel hub 21 evenly distributed, the first end connection of spoke 23 is in wheel hub 21, the second end of spoke 23 includes two at least branch ends 231, branch end 231 is connected in rim 22, be equipped with the first strengthening rib 24 that extends to rim 22 on the spoke 23, be equipped with the second strengthening rib 25 of connecting each branch end 231 on the rim 22.

Compared with the prior art, the first reinforcing ribs 24 and the second reinforcing ribs 25 can increase the strength and rigidity of the spoke 23, so that the spoke has smaller cross-sectional area while meeting the requirements of high strength and large rigidity, and the belt pulley 2 has the advantages of high strength, large rigidity, good stability and the like, and has small jumping, small resistance and low noise during rotation. Based on the technical scheme, the washing machine provided by the invention has the advantages of small vibration, low noise, long service life and good performance, and can improve the use experience of customers and improve the life quality of the customers.

As shown in fig. 2 to 4, the second end of the spoke 23 includes two branch ends 231, a triangle formed by the two branch ends 231 belonging to the same spoke 23 and a branch point of the spoke 23 is referred to as a support triangle, the support triangle is an isosceles triangle, and the branch point of the spoke 23 is a vertex angle of the support triangle; correspondingly, the first reinforcing rib 24 is arranged on the surface of the spoke 23 back to the outer cylinder 1, a groove 241 is arranged at a position of the first reinforcing rib 24 close to the hub 21, the groove 241 is also an isosceles triangle, and the vertex angle of the groove is opposite to that of the supporting triangle. Based on this, the supporting triangle and the opposite vertex structure of the groove 241 can further increase the rigidity of the pulley 2 and optimize the stability of the pulley 2, thereby further reducing the end face runout and the resistance suffered by the pulley 2 during the rotation process.

As shown in fig. 2, the first end portions of two adjacent spokes 23 are connected to each other, and the first reinforcing beads 24 of the two adjacent spokes 23 are connected to each other. In this way, all the spokes 23 form a single unit, and the strength and rigidity of the pulley 2 are advantageously increased.

As shown in fig. 2 to 5, in order to increase the strength and rigidity of the hub 21, the hub 21 has a first boss 212 and a second boss 213, the first boss 212 protrudes from the surface of the spoke 23 facing the outer tube 1, the second boss 213 protrudes from the surface of the spoke 23 facing away from the outer tube 1, and both the first boss 212 and the second boss 213 surround the shaft hole 211. Thus, the first boss 212 and the second boss 213 can effectively increase the strength and rigidity of the shaft hole 211, reduce the probability of deformation thereof, and further contribute to prolonging the service life of the pulley 2.

As shown in fig. 2 to 4, in order to increase the strength and rigidity of the rim 22, the surface of the second reinforcing rib 25 facing the outer cylinder 1 is provided with a plurality of first toggle plates 26 uniformly distributed around the shaft hole 211, and the first toggle plates 26 are provided at the connection positions of the second reinforcing rib 25 and the rim 22. Similarly, in order to increase the connecting strength between the spoke 23 and the hub 21 and prevent the connecting portion between the spoke 23 and the hub 21 from breaking, the surface of the spoke 23 facing the outer cylinder 1 is provided with a plurality of second toggle plates 27 uniformly distributed around the first boss 212, and the second toggle plates 27 are arranged at the connecting portion between the spoke 23 and the first boss 212.

As shown in fig. 2 to 4, the first toggle plates 26 are respectively disposed on the midperpendicular of the connecting line of each two adjacent branch ends 231, and the second toggle plates 27 are respectively disposed on the symmetrical center line of the spokes 23. Based on this, with spoke 23 around wheel hub 21 evenly distributed, whole belt pulley 2 is the symmetry shape, and not only compact structure is littleer relatively, and the equilibrium is better moreover, and stability is higher to beat when rotating littleer, the resistance is littleer, the noise is lower.

As shown in fig. 4 and 5, the hub 21 is deviated from the plane of the rim 22 in a direction away from the outer tube 1, that is, the hub 21 is protruded in a direction away from the outer tube 1 with respect to the rim 22, and the spokes 23 are curved. Thus, the belt pulley 2 has higher strength, better toughness and stronger deformation resistance.

In conclusion, compared with the prior art, the washing machine provided by the invention adopts the belt pulley 2 with high strength, high rigidity and good stability, so that the washing machine has the advantages of small vibration, low noise, long service life and good performance, and can improve the use experience of customers and improve the life quality of the customers.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A washing machine, characterized by comprising:

an outer cylinder;

an inner cylinder disposed inside the outer cylinder;

the belt pulley comprises a hub, a rim and spokes, wherein the hub is provided with a shaft hole for the rotating shaft to penetrate through, the rim is arranged on the periphery of the hub and is coaxial with the shaft hole, the belt is tensioned on the rim, at least two spokes are arranged and are arranged between the hub and the rim and are uniformly distributed around the hub, the first end part of each spoke is connected with the hub, the second end part of each spoke comprises at least two branch ends, each branch end is connected with the rim, the spokes are provided with first reinforcing ribs extending to the rim, and the rim is provided with second reinforcing ribs connecting the branch ends;

the surface of the second reinforcing rib facing the outer barrel is provided with a plurality of first toggle plates which are uniformly distributed around the shaft hole, and the first toggle plates are arranged at the connecting part of the second reinforcing rib and the wheel rim;

each first toggle plate is arranged on a perpendicular bisector of a connecting line of every two adjacent branch ends.

2. The washing machine as claimed in claim 1, wherein:

the second end part comprises two branch ends, a triangle formed by the two branch ends belonging to the same spoke and a branch point of the spoke is marked as a supporting triangle, the supporting triangle is an isosceles triangle, and the branch point of the spoke is a vertex angle of the supporting triangle.

3. The washing machine as claimed in claim 2, wherein:

the first reinforcing rib is arranged on the surface of the outer barrel, the spoke faces away from the surface of the outer barrel, the first reinforcing rib is close to the position of the wheel hub, the groove is an isosceles triangle, and the vertex angle of the groove is just opposite to the vertex angle of the supporting triangle.

4. The washing machine as claimed in claim 1, wherein:

the wheel hub is provided with a protrusion protruding out of the surface of the outer barrel and surrounding the first boss of the shaft hole, the surface of the outer barrel is provided with a plurality of second toggle plates uniformly distributed around the first boss, and the second toggle plates are arranged at the joint of the spoke and the first boss.

5. The washing machine as claimed in claim 4, wherein:

and the second toggle plates are respectively arranged on the symmetrical center line of the spokes.

6. The washing machine as claimed in claim 1, wherein:

the hub is provided with a second boss protruding out of the surface of the spoke facing away from the outer cylinder and surrounding the shaft hole.

7. The washing machine as claimed in claim 1, wherein:

the first end parts of two adjacent spokes are connected with each other, and the first reinforcing ribs on the two adjacent spokes are connected with each other.

8. The washing machine as claimed in claim 1, wherein:

the hub deviates from the plane of the rim in the direction away from the outer cylinder.