TPE door seal sealing ring of washing machine

Abstract

The utility model discloses a TPE door seal sealing ring of a washing machine. The TPE door seal sealing ring comprises a first annular fold part, an air bag expansion part and a second annular fold part which are integrally formed. Wherein the air bag expanding part is connected between the first annular fold part and the second annular fold part; wherein the air bag expanding part is an annular air bag. After the first annular fold part and the second annular fold part are clamped into the washing machine door seal shell, the air bag expanding part is inflated through an inflation valve by means of external inflation equipment until a gap and a gap between the washing machine door seal shell and the annular fold parts are fully filled, and therefore the washing machine door seal shell can be sealed. Therefore, accumulated water is prevented from being generated in the gaps, and mold spots are avoided. In addition, the door seal material is made of a low-odor environment-friendly clean thermoplastic elastomer TPE material, traditional vulcanized rubber is replaced, release of poisonous gas such as hydrogen sulfide and sulfur dioxide in the vulcanized rubber is eliminated, human health is facilitated, and user physical examination is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of TPE door seal rings for washing machines, in particular to a TPE door seal ring for washing machines. Background Art

[0002] The main function of the conventional washing machine door seal structure is to prevent the washing water from splashing out of the washing drum during the washing process, and to provide safety protection when the washing drum rotates at high speed during the dehydration process. The washing and dehydration processes of the drum washing machine mainly rely on the washing principle of the washing drum constantly hitting the clothes, and the door seal of the drum washing machine relies on the door body squeezing the window gasket to make it elastically deformed to achieve sealing.

[0003] However, conventional sealing rings are prone to water accumulation between the washing machine door seal housing. If the washing machine is not used for a long time, mold and bacteria are likely to form in the gap. In addition, traditional washing machine door seals are mostly made of vulcanized rubber (EPDM), which is easy to release irritating and toxic odors, affecting human health and difficult to recycle. Utility Model Content

[0004] The utility model aims to provide a TPE door seal ring for a washing machine, which solves the problem of easy water accumulation between a conventional seal ring and a washing machine door seal housing.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] The utility model provides a TPE door seal ring for a washing machine, comprising an integrally formed first annular fold portion, an airbag expansion portion, and a second annular fold portion;

[0007] The airbag expansion part is connected between the first annular fold part and the second annular fold part; wherein the inner circles of the first annular fold part, the airbag expansion part and the second annular fold part form a smooth inner arc surface;

[0008] The airbag expansion part is an annular airbag; an inflation valve connected to the airbag expansion part is arranged on the end surface of the first annular fold part;

[0009] A sealing annular groove is provided on the outer end surface of the first annular fold portion and the outer end surface of the second annular fold portion, and the sealing annular groove is adapted to seal with the sealing shell of the washing machine door.

[0010] Furthermore, a positioning protrusion is integrally provided at the bottom of the first annular fold portion.

[0011] Furthermore, the first annular fold portion and the second annular fold portion are both annular structures, and uniformly arranged peripheral surface friction stripes are provided on the peripheral surfaces of the first annular fold portion and the second annular fold portion; the peripheral surface friction stripes are concave structures.

[0012] Furthermore, a first annular groove is formed between the first annular fold portion and the airbag expansion portion, and a second annular groove symmetrical to the first annular groove is formed between the second annular fold portion and the airbag expansion portion.

[0013] Furthermore, end surface friction stripes are integrally formed on opposite sides of the first annular groove and the second annular groove; the end surface friction stripes are concave structures.

[0014] Furthermore, the first annular folded portion, the airbag expansion portion, and the second annular folded portion are all made of TPE material.

[0015] Compared with the prior art, the beneficial technical effects of the utility model are:

[0016] In the utility model, after the first annular folded portion and the second annular folded portion are inserted into the washing machine door sealing shell, the airbag expansion portion is inflated through an external inflation device through an inflation valve until the gaps and gaps between the washing machine door sealing shell and the annular folded portion are filled, thereby avoiding water accumulation in the gaps and further avoiding the formation of mold spots.

[0017] The door sealing material in the utility model adopts low-odor, environmentally friendly and clean thermoplastic elastomer TPE material to replace traditional vulcanized rubber, eliminate the release of toxic gases such as hydrogen sulfide and sulfur dioxide in vulcanized rubber, which is beneficial to human health and improves user health. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model will be further described below in conjunction with the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the structure of the TPE door seal ring of the washing machine of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal cross-section of the TPE door seal ring of the washing machine of the present invention;

[0021] Figure 3 It is a side view schematic diagram of the TPE door seal ring of the washing machine of the present invention.

[0022] Explanation of the reference numerals: 1. first annular fold portion; 101. sealing annular groove; 102. positioning protrusion; 2. airbag expansion portion; 201. inflation valve; 3. second annular fold portion; 301. end surface friction stripes; 302. peripheral surface friction stripes. DETAILED DESCRIPTION

[0023] This embodiment discloses a TPE door seal ring for a washing machine, comprising an integrally formed first annular folded portion 1, an airbag expansion portion 2, and a second annular folded portion 3; the materials used are all TPE materials;

[0024] The airbag expansion part 2 is connected between the first annular fold part 1 and the second annular fold part 3; the inner circles of the first annular fold part 1, the airbag expansion part 2 and the second annular fold part 3 form a smooth inner arc surface; the smooth channel formed by the first annular fold part 1, the airbag expansion part 2 and the second annular fold part 3 is used for taking and placing clothes;

[0025] In this embodiment, Figure 2 As shown, the airbag expansion part 2 is an annular airbag; an inflation valve 201 connected to the airbag expansion part 2 is installed on the end surface of the first annular fold part 1;

[0026] When in use, after the first annular pleated portion 1 and the second annular pleated portion 3 are inserted into the washing machine door sealing shell, the airbag expansion portion 2 is inflated through the inflation valve 201 through an external inflation device (an air pump or a small air pump) until the gaps and gaps between the washing machine door sealing shell and the annular pleated portion are filled, thereby avoiding water accumulation in the gaps and further avoiding the formation of mold spots, etc.

[0027] In this embodiment, a positioning protrusion 102 is integrally connected to the bottom of the first annular folded portion 1, which is used to seal the door seal ring, thereby preventing the first annular folded portion 1 or the second annular folded portion 3 from rotating or dislocating during use;

[0028] A sealing annular groove 101 is provided on the outer end surface of the first annular fold portion 1 and the outer end surface of the second annular fold portion 3 , and the sealing annular groove 101 is adapted to seal with the sealing shell of the washing machine door.

[0029] In this embodiment, the first annular fold portion 1 and the second annular fold portion 3 are both annular structures, and uniformly arranged outer circumferential surface friction stripes 302 are preset on the outer circumferential surfaces of the first annular fold portion 1 and the second annular fold portion 3; the outer circumferential surface friction stripes 302 are concave structures;

[0030] On the one hand, the friction stripes 302 on the outer surface of the concave structure are used to increase the friction between the first annular fold portion 1 (the second annular fold portion 3) and the washing machine door seal shell. On the other hand, the friction stripes 302 on the outer surface can also be used to facilitate the first annular fold portion 1 (the second annular fold portion 3) to deform after being squeezed, so as to reduce water accumulation in the gap.

[0031] In this embodiment, a first annular groove is formed between the first annular fold portion 1 and the airbag expansion portion 2, and a second annular groove symmetrical to the first annular groove is formed between the second annular fold portion 3 and the airbag expansion portion 2; Figure 2 As shown, the first annular groove and the second annular groove are utilized to facilitate sealing engagement with the sealing housing of the washing machine door.

[0032] In this embodiment, end face friction stripes 301 are integrally formed on the opposite sides of the first annular groove and the second annular groove, which are specifically concave structures; the same function is achieved by utilizing the end face friction stripes 301 to facilitate the first annular fold portion 1 (second annular fold portion 3) to deform after being squeezed, thereby reducing water accumulation in the gap.

[0033] The above embodiments are only descriptions of the preferred methods of the invention, and are not intended to limit the scope of the invention. Without departing from the design spirit of the invention, various modifications and improvements made to the technical solution of the invention by ordinary technicians in this field should fall within the protection scope of the claims of the invention.

Claims

1. A TPE door seal ring for a washing machine, characterized by: It comprises an integrally formed first annular folded portion (1), an airbag expansion portion (2), and a second annular folded portion (3); The airbag expansion portion (2) is connected between the first annular fold portion (1) and the second annular fold portion (3); wherein the inner circles of the first annular fold portion (1), the airbag expansion portion (2) and the second annular fold portion (3) form a smooth inner arc surface; The airbag expansion portion (2) is an annular airbag; an inflation valve (201) connected to the airbag expansion portion (2) is provided on the end surface of the first annular fold portion (1); A sealing annular groove (101) is provided on the outer end surface of the first annular fold portion (1) and the outer end surface of the second annular fold portion (3), and the sealing annular groove (101) is adapted to seal with the sealing shell of the washing machine door.

2. The TPE door seal ring for washing machine according to claim 1, characterized in that: A positioning protrusion (102) is integrally provided at the bottom of the first annular fold portion.

3. The TPE door seal ring for washing machine according to claim 1, characterized in that: The first annular fold portion (1) and the second annular fold portion (3) are both annular structures, and uniformly arranged peripheral surface friction stripes (302) are provided on the peripheral surfaces of the first annular fold portion (1) and the second annular fold portion (3); the peripheral surface friction stripes (302) are concave structures.

4. The TPE door seal ring for washing machine according to claim 1, characterized in that: A first annular groove is formed between the first annular fold portion (1) and the airbag expansion portion (2), and a second annular groove symmetrical to the first annular groove is formed between the second annular fold portion (3) and the airbag expansion portion (2).

5. The TPE door seal ring for washing machine according to claim 4, characterized in that: End surface friction stripes (301) are integrally formed on opposite sides of the first annular groove and the second annular groove, and the end surface friction stripes (301) are concave structures.

6. The TPE door seal ring for washing machine according to claim 1, characterized in that: The first annular folded portion (1), the airbag expansion portion (2), and the second annular folded portion (3) are all made of TPE material.

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