CN219263178U

CN219263178U - Water seal meeting deflection

Info

Publication number: CN219263178U
Application number: CN202223311147.1U
Authority: CN
Inventors: 方宇; 汪俊华; 方勇; 丁胜剑
Original assignee: Ningguo Ruipu Seals Co ltd
Current assignee: Ningguo Ruipu Seals Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-06-27
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a water seal meeting deflection, which belongs to the technical field of water seals and comprises a carbon steel metal framework and rubber, wherein the carbon steel metal framework is arranged in the rubber, the rubber comprises a first lip, and the first lip is arranged on the inner side of the water seal; one end of the second lip is connected with the first lip, a groove is formed at the outer side of the joint of the second lip and the first lip, and a spring is arranged in the groove in a non-closed mode; the water seal main body consists of rubber and a carbon steel metal framework, wherein the rubber comprises a first lip, a second lip and a third lip, a groove is formed at the outer side of the joint of the second carbon steel metal framework and the first carbon steel metal framework, the spring carbon steel metal framework is arranged in the groove in a non-closed mode, the spring carbon steel metal framework can play a main sealing function due to the tightly holding force when the water seal is integrally moved and deformed, various impurities are prevented from passing through, the service life of the lips is prolonged, and the sealing effect is guaranteed.

Description

Water seal meeting deflection

Technical Field

The utility model relates to the technical field of water seals, in particular to a water seal meeting deflection.

Background

The water seal of the washing machine is a mechanical device for household appliances and dynamic seals, is suitable for a clutch of the washing machine, and plays a role in preventing water from entering the system when a motor washes at a low speed and dewaters at a high speed, thereby playing a role in protecting the clutch.

The washed clothes usually contain paper scraps, dust, fibers and other impurities, and the impurities adhere to the water seal lip to influence the lip service life, so that the water seal is invalid for a long time.

Because most of washing machine cavities are plastic products, machining precision is low, coaxiality of shafts and cavities is poor, and deflection of the shafts can generate noise when the motor rotates, so that comfort level of users is affected.

Disclosure of Invention

The utility model aims to provide a water seal meeting deflection, which solves the following technical problems:

(1) The washed clothes usually contain paper scraps, dust, fibers and other impurities, and the impurities adhere to the water seal lip to influence the lip service life, so that the water seal is invalid for a long time.

(2) Because most of washing machine cavities are plastic products, machining precision is low, coaxiality of shafts and cavities is poor, and deflection of the shafts can generate noise when the motor rotates, so that comfort level of users is affected.

The aim of the utility model can be achieved by the following technical scheme:

a water seal meeting deflection comprises a carbon steel metal framework and rubber, wherein the carbon steel metal framework is arranged in the rubber, and the rubber comprises

The first lip is arranged on the inner side of the water seal;

and one end of the second lip is connected with the first lip, a groove is formed at the outer side of the joint of the second lip and the first lip, and a spring is arranged in the groove in a non-closed mode.

As a further scheme of the utility model: the spring is annular as a whole, and the section of the annular spring is circular.

As a further scheme of the utility model: one end of the second lip, which is far away from the first lip, is connected with a third lip, and a groove is formed on the inner side of the joint of the third lip and the second lip and used for storing lubricating grease.

As a further scheme of the utility model: and lubricating grease is coated on the inner sides of the first lip, the second lip and the third lip.

As a further scheme of the utility model: the V-shaped waist is arranged at the position of the rubber between the carbon steel metal framework and the spring.

The utility model has the beneficial effects that:

(1) The water seal main body consists of a rubber and carbon steel metal framework, the rubber comprises a first lip, a second lip and a third lip, a groove is formed in the outer side of the joint of the second lip and the first lip, the spring is arranged in the groove in a non-closed mode, the holding force of the spring when the water seal is integrally moved and deformed can play a main sealing role, various impurities are prevented from passing through, the service life of the lip is prolonged, and the sealing effect is guaranteed.

(2) When the shaft deflects and inclines, the V-shaped waist 7 can keep synchronous deflection and inclination of the first lip 1, the second lip 2 and the third lip 3, so that the deflection resistance of the oil seal is improved, the generated noise is reduced, and the use comfort of a user is improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the internal structure of an embodiment of the present utility model;

fig. 2 is a perspective view of the overall structure of an embodiment of the present utility model.

The reference numerals in the figures represent:

1. a first lip; 2. a second lip; 3. a third lip; 4. a spring; 5. a carbon steel metal skeleton; 6. rubber; 7. a V-shaped waist.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the utility model discloses a water seal meeting deflection, which comprises a carbon steel metal framework 5 and rubber 6, wherein the carbon steel metal framework 5 is arranged in the rubber 6, the carbon steel metal framework 5 and the rubber 6 form a water seal main body, the outer side of the water seal, namely the outermost side of the rubber 6, is provided with corrugations with different sizes, and in an actual assembly environment, the assembly object material is plastic, and the machining tolerance fluctuation is large, so that the corrugations can adapt to the fluctuation of the water seal.

The rubber 6 comprises a first lip opening 1, and the first lip opening 1 is arranged on the inner side of the water seal and can play a role in preventing large-particle impurities such as paper scraps, fibers, dust and the like in clothes from crossing; the lower end of the first lip 1 is connected with a second lip 2, a groove is formed at the outer side of the joint of the second lip 2 and the first lip 1, a spring 4 is arranged in the groove in a non-closed mode, the holding force of the spring 4 can play a main sealing role when the whole water seal moves and deforms, various impurities are prevented from passing through, the service life of the lip is prolonged, and the sealing effect is guaranteed; because the spring 4 is non-closed setting, compare with traditional structure, need not the dismounting device and can observe the operating condition of spring 4, convenient and fast.

Further, the spring 4 is in a ring shape as a whole, and the section of the ring-shaped spring 4 is circular; the material of the spring 4 is a metal waterproof material, for example, in the embodiment of the present utility model, the spring 4 is a stainless steel material.

The annular spring 4 is integrally embedded in the groove, and when the first lip 1 and the second lip 2 deform, the spring 4 is extruded or expanded by acting force, so that the inner side of the water seal is always attached to the mounting part, and a good sealing effect is further maintained.

Further, one end of the second lip 2 far away from the first lip 1 is connected with a third lip 3, and a groove is formed at the inner side of the joint of the third lip 3 and the second lip 2 and used for storing lubricating grease.

Furthermore, grease is coated on the inner sides of the first lip opening 1, the second lip opening 2 and the third lip opening 3.

The grease is favorable for reducing friction coefficient, reducing noise generated during rotation, and simultaneously prolonging the service life of the rubber 6 and enabling particles to be placed to migrate.

Further, a V-shaped waist 7 is arranged at the position of the rubber 6 between the carbon steel metal framework 5 and the spring 4.

When the shaft deflects and inclines, the V-shaped waist 7 can keep synchronous deflection and inclination of the first lip 1, the second lip 2 and the third lip 3, so that generated noise is reduced, and the service life of the water seal is prolonged.

The working principle of the utility model is as follows:

the lower end of the first water seal lip 1 is connected with a second lip 2, a groove is formed at the outer side of the joint of the second lip 2 and the first lip 1, a spring 4 is arranged in the groove in a non-closed mode, the holding force of the spring 4 can play a main sealing role when the whole water seal moves and deforms, various impurities are prevented from passing through, the service life of the lip is prolonged, and the sealing effect is guaranteed; because the spring 4 is arranged in a non-closed mode, compared with the traditional structure, the working state of the spring 4 can be observed without disassembling equipment, and the device is convenient and quick; the rubber 6 is provided with a V-shaped waist 7 at the position between the carbon steel metal framework 5 and the spring 4; when the shaft deflects and inclines, the V-shaped waist 7 can keep synchronous deflection and inclination of the first lip 1, the second lip 2 and the third lip 3, so that the deflection resistance of the oil seal is improved, the generated noise is reduced, and the service life of the water seal is prolonged.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The water seal meeting deflection comprises a carbon steel metal framework (5) and rubber (6), wherein the carbon steel metal framework (5) is arranged in the rubber (6), and is characterized in that the rubber (6) comprises

The first lip (1) is arranged on the inner side of the water seal;

and one end of the second lip (2) is connected with the first lip (1), a groove is formed at the outer side of the joint of the second lip (2) and the first lip (1), and a spring (4) is arranged in the groove in a non-closed mode.

2. The deflection satisfying water seal according to claim 1, wherein the spring (4) is ring-shaped as a whole, and the cross section of the ring-shaped spring (4) is circular.

3. The water seal meeting deflection according to claim 1, wherein one end of the second lip (2) far away from the first lip (1) is connected with a third lip (3), and a groove is formed on the inner side of the joint of the third lip (3) and the second lip (2) for storing lubricating grease.

4. The water seal for satisfying deflection according to claim 3, wherein the inner sides of the first lip (1), the second lip (2) and the third lip (3) are coated with grease.

5. The water seal meeting deflection according to claim 1, characterized in that the rubber (6) is provided with a V-shaped waist (7) at the position between the carbon steel metal skeleton (5) and the spring (4).