CN219263175U - Sealing assembly and drum-type washing machine - Google Patents
Sealing assembly and drum-type washing machine Download PDFInfo
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- CN219263175U CN219263175U CN202320026774.6U CN202320026774U CN219263175U CN 219263175 U CN219263175 U CN 219263175U CN 202320026774 U CN202320026774 U CN 202320026774U CN 219263175 U CN219263175 U CN 219263175U
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- sealing lip
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- sealing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The utility model discloses a sealing assembly and a drum-type washing machine, wherein the sealing assembly comprises: the bearing sleeve is sleeved on the periphery of the cylinder shaft; the tripod is arranged at one end of the cylinder shaft; the bearing seat is sleeved on the periphery of the cylinder shaft, and a gap is reserved between the bearing seat and the bearing sleeve; the oil seal is arranged on the periphery of the bearing sleeve and in interference fit with the bearing seat, the oil seal comprises a first sealing lip, a second sealing lip and a third sealing lip, the first sealing lip is positioned at one end of the oil seal far away from the tripod, the third sealing lip is positioned at one end of the oil seal close to the tripod, and the second sealing lip is positioned at the middle part of the oil seal; the first sealing lip and the second sealing lip are in interference fit with the bearing sleeve, the end part of the third sealing lip is tightly pressed against the bearing seat, the oil seal is in interference fit with the bearing seat, the first sealing lip and the second sealing lip are in interference fit with the bearing sleeve, the third sealing lip is tightly pressed against the tripod, the tightness between the cylinder shaft and the bearing seat can be improved, and water leakage can be effectively prevented.
Description
Technical Field
The utility model relates to the technical field of washing machine manufacturing, in particular to a sealing assembly and a drum-type washing machine.
Background
The inner cylinder shaft of the drum washing machine is an important part of the drum washing machine, and the inner cylinder shaft and the bearing seat are matched to transmit the power of the motor to the inner cylinder so as to drive the inner cylinder to rotate, but in the related art, the problem of loose sealing exists between the inner cylinder shaft and the bearing seat, so that water leakage is easily caused.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the sealing assembly provided by the utility model has the advantages that the oil seal is in interference fit with the bearing seat, the first sealing lip and the second sealing lip are in interference fit with the bearing sleeve, and the third sealing lip is tightly pressed on the tripod, so that the tightness between the cylinder shaft and the bearing seat can be improved, and water leakage can be effectively prevented.
In a second aspect, the present utility model also provides a drum type washing machine using the above-mentioned sealing assembly.
According to an embodiment of the first aspect of the present utility model, there is provided a seal assembly comprising: the bearing sleeve is sleeved on the periphery of the cylinder shaft; the tripod is arranged at one end of the cylinder shaft; the bearing seat is sleeved on the periphery of the cylinder shaft, and a gap is reserved between the bearing seat and the bearing sleeve; the oil seal is arranged on the periphery of the bearing sleeve in an interference fit manner with the bearing seat, and comprises a first sealing lip, a second sealing lip and a third sealing lip, wherein the first sealing lip is positioned at one end of the oil seal far away from the tripod, the third sealing lip is positioned at one end of the oil seal close to the tripod, and the second sealing lip is positioned at the middle part of the oil seal; the first sealing lip and the second sealing lip are in interference fit with the bearing sleeve, and the end part of the third sealing lip presses the bearing seat.
The sealing assembly provided by the embodiment of the first aspect of the utility model has at least the following beneficial effects: the oil seal is sleeved on the periphery of the bearing sleeve and is in interference fit with the bearing seat, sealing between the oil seal and the bearing seat is achieved, a third sealing lip at one end of the oil seal, which is close to the tripod, is tightly pressed against the end face of the tripod, which faces the oil seal, to form a first waterproof line, a second sealing lip at the middle part of the oil seal is in interference fit with the bearing sleeve to form a second waterproof line, a first sealing lip at one end of the oil seal, which is far away from the tripod, is in interference fit with the bearing sleeve to form a third waterproof line, and the sealing between the cylinder shaft and the bearing seat can be improved through the interference fit of the third sealing lip.
According to the sealing assembly provided by the embodiment of the first aspect of the utility model, the oil seal is connected with an elastic circular ring, and the elastic circular ring is positioned at the periphery of the first sealing lip and used for tightening the first sealing lip.
According to the sealing assembly provided by the embodiment of the first aspect of the utility model, the guide groove which is opened towards the tripod is arranged between the second sealing lip and the third sealing lip.
According to an embodiment of the first aspect of the present utility model, the first sealing lip, the second sealing lip and the bearing housing cooperate to define a water-proof cavity.
According to the sealing assembly provided by the embodiment of the first aspect of the utility model, a framework is further arranged in the oil seal, and the framework is used for supporting the oil seal.
According to the sealing assembly provided by the embodiment of the first aspect of the utility model, the outer wall of the oil seal is protruded to form the sealing circular ring, and the sealing circular ring is pressed against the inner wall of the bearing seat.
According to the sealing assembly provided by the embodiment of the first aspect of the utility model, the outer wall of the oil seal is provided with a plurality of sealing rings, and the sealing rings are arranged at intervals along the axial direction of the oil seal.
According to a second aspect of the present utility model, there is provided a drum type washing machine including the sealing assembly according to the first aspect of the present utility model.
According to the drum type washing machine provided by the embodiment of the second aspect of the utility model, the drum type washing machine has at least the following beneficial effects: the oil blanket cup joints in the periphery of bearing housing and with bearing frame interference fit, realize having the seal of oil blanket and bearing frame, the one end third seal lip that the oil blanket is close to the tripod compresses tightly the terminal surface of tripod towards the oil blanket and forms first waterproof line, the second seal lip that is located the oil blanket middle part forms the waterproof line of second with bearing housing interference fit, the first seal lip that tripod one end was kept away from to the oil blanket forms the waterproof line of third with bearing housing interference fit, the waterproof line cooperation of third can improve the leakproofness between spool and the bearing frame, can effectively prevent to leak.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is an overall schematic of a seal assembly provided in accordance with an embodiment of the first aspect of the present utility model;
FIG. 2 is a cross-sectional view of a seal assembly provided in accordance with an embodiment of the first aspect of the present utility model;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is a schematic view of an oil seal of a seal assembly according to an embodiment of the first aspect of the present utility model;
fig. 5 is a cross-sectional view of an oil seal of a seal assembly according to an embodiment of the first aspect of the present utility model.
The reference numerals are as follows:
a spool 100; a bearing housing 110; a tripod 120; a bearing housing 130; an oil seal 140; a first sealing lip 141; a second sealing lip 142; a third sealing lip 143; sealing ring 144; an elastic ring 150; a guide groove 160; waterproof chamber 170.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements 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 utility model.
In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
The inner cylinder shaft of the drum washing machine is an important part of the drum washing machine, and the inner cylinder shaft and the bearing seat are matched to transmit the power of the motor to the inner cylinder so as to drive the inner cylinder to rotate, but in the related art, the problem of loose sealing exists between the inner cylinder shaft and the bearing seat, so that water leakage is easily caused.
In order to solve this problem, the embodiment of the first aspect of the present utility model provides a seal assembly, in which the oil seal 140 is in interference fit with the bearing seat 130, the first seal lip 141 and the second seal lip 142 are in interference fit with the bearing housing 110, the third seal lip 143 presses the tripod 120, so as to improve the tightness between the cylinder shaft 100 and the bearing seat 130, and effectively prevent water leakage, and the specific structure and function of the seal assembly provided in the embodiment of the present utility model will be further described below with reference to the text and the accompanying drawings.
Referring to fig. 1 to 5, a seal assembly according to an embodiment of a first aspect of the present utility model includes: the cylinder shaft 100, the tripod 120, the bearing seat 130 and the oil seal 140 are sleeved with a bearing sleeve 110 on the outer peripheral wall of the cylinder shaft 100; the tripod 120 is arranged at one end of the cylinder shaft 100; the bearing seat 130 is sleeved on the periphery of the cylinder shaft 100, and a gap is reserved between the bearing seat 130 and the bearing sleeve 110; the oil seal 140 is an annular piece, the oil seal 140 is sleeved on the peripheral wall of the bearing sleeve 110 and is in interference fit with the bearing seat 130, the oil seal 140 comprises a first sealing lip 141, a second sealing lip 142 and a third sealing lip 143, the first sealing lip 141 is positioned at one end of the oil seal 140 away from the tripod 120, the third sealing lip 143 is positioned at one end of the oil seal 140 close to the tripod 120, the second sealing lip 142 is arranged between the first sealing lip 141 and the third sealing lip 143, namely the second sealing lip 142 is positioned at the middle part of the oil seal 140; wherein, the first sealing lip 141 and the second sealing lip 142 are in interference fit with the bearing housing 110, and the end of the third sealing lip 143 presses the bearing seat 130.
According to the sealing assembly provided by the embodiment of the utility model, the oil seal 140 is sleeved on the periphery of the bearing sleeve 110 and is in interference fit with the bearing seat 130, so that the sealing between the oil seal 140 and the bearing seat 130 is realized, the third sealing lip 143 at one end of the oil seal 140, which is close to the tripod 120, presses the end face of the tripod 120, which faces the oil seal 140, to form a first waterproof line, the second sealing lip 142 at the middle part of the oil seal 140 is in interference fit with the bearing sleeve 110 to form a second waterproof line, the first sealing lip 141 at one end of the oil seal 140, which is far away from the tripod 120, is in interference fit with the bearing sleeve 110 to form a third waterproof line, and the interference fit of the third waterproof line can improve the sealing performance between the cylinder shaft 100 and the bearing seat 130.
Referring to fig. 2 to 5, according to the seal assembly provided by the embodiment of the first aspect of the present utility model, the oil seal 140 is connected with the elastic ring 150, and the elastic ring 150 is located at the periphery of the first seal lip 141, and is used for providing a pretightening force for the first seal lip 141 to tighten the first seal lip 141, and pressing the first seal lip 141 toward the bearing housing 110, so that interference fit between the first seal lip 141 and the bearing housing 110 is achieved, and the bonding strength between the first seal lip 141 and the bearing housing 110 is improved, so that a better sealing effect is achieved.
Referring to fig. 3 and 5, according to the sealing assembly provided in the first aspect of the present utility model, the second sealing lip 142 and the third sealing lip 143 are provided with the guide groove 160 opened toward the tripod 120 therebetween, and when the sealing assembly is mounted to the drum-type washing machine, in operation, when water reaches the second sealing lip 142 through the third sealing lip 143, the guide groove 160 between the second sealing lip 142 and the third sealing lip 143 can guide the water toward the third sealing lip 143 and finally flows out through the third sealing lip 143, thereby being advantageous in preventing water leakage.
Referring to fig. 3 and 5, according to the sealing assembly provided in the first aspect of the present utility model, the first sealing lip 141, the second sealing lip 142 and the bearing housing 110 cooperate to define the waterproof chamber 170, when the sealing assembly is mounted to the drum-type washing machine, when water passes through the third sealing lip 143 and the second sealing lip 142 to reach the waterproof chamber 170 in operation, the waterproof chamber 170 can temporarily store a portion of water, and when the operation of the washing machine is stopped, water in the waterproof chamber 170 flows out from the third sealing lip 143 after passing through the second sealing lip 142 again, which is advantageous for improving the waterproof performance.
Referring to fig. 3 and 5, according to the seal assembly provided by the embodiment of the first aspect of the present utility model, a framework is further provided in the oil seal 140, and the framework is used for supporting the oil seal 140, so as to support the interference fit between the oil seal 140 and the bearing seat 130, so that the oil seal 140 is connected with the bearing seat 130 more stably.
Referring to fig. 3 to 5, according to the seal assembly provided by the embodiment of the first aspect of the present utility model, the outer wall of the oil seal 140 is protruded to form the sealing ring 144, the sealing ring 144 is pressed against the inner wall of the bearing seat 130, and by arranging the sealing ring 144 on the outer wall of the oil seal 140, when the oil seal 140 is in interference fit with the bearing seat 130, the sealing ring 144 is pressed against the inner wall of the bearing seat, which is beneficial to improving the sealing performance.
Referring to fig. 3 to 5, according to the seal assembly provided by the embodiment of the first aspect of the present utility model, the outer wall of the oil seal 140 is provided with a plurality of seal rings 144, and the plurality of seal rings 144 are arranged at intervals along the axial direction of the oil seal 140, and by arranging the plurality of seal rings 144 on the outer wall of the oil seal 140, the plurality of seal rings 144 cooperate to further improve the sealing performance and prevent water leakage.
An embodiment according to a second aspect of the present utility model provides a drum type washing machine including a sealing assembly according to an embodiment of the first aspect of the present utility model.
According to the drum-type washing machine provided by the embodiment of the second aspect of the utility model, the oil seal 140 is sleeved on the periphery of the bearing sleeve 110 and is in interference fit with the bearing seat 130, so that the sealing between the oil seal 140 and the bearing seat 130 is realized, the third sealing lip 143 at one end of the oil seal 140, which is close to the tripod 120, presses the end face of the tripod 120, which faces the oil seal 140, to form a first waterproof line, the second sealing lip 142 at the middle part of the oil seal 140 is in interference fit with the bearing sleeve 110 to form a second waterproof line, the first sealing lip 141 at one end, which is far away from the tripod 120, of the oil seal 140 is in interference fit with the bearing sleeve 110 to form a third waterproof line, and the matching of the third waterproof lines can improve the sealing performance between the drum shaft 100 and the bearing seat 130 and can effectively prevent water leakage.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, and the embodiments are only for illustrating the technical scheme of the present utility model, but not for limiting the same, and the present utility model is not limited to the embodiments, and various changes can be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.
Claims (8)
1. A sealing assembly for a drum type washing machine, comprising:
the periphery of the cylinder shaft is sleeved with a bearing sleeve;
the tripod is arranged at one end of the cylinder shaft;
the bearing seat is sleeved on the periphery of the cylinder shaft, and a gap is reserved between the bearing seat and the bearing sleeve;
the oil seal is sleeved on the periphery of the bearing sleeve and in interference fit with the bearing seat, the oil seal comprises a first sealing lip, a second sealing lip and a third sealing lip, the first sealing lip is positioned at one end of the oil seal far away from the tripod, the third sealing lip is positioned at one end of the oil seal near the tripod, and the second sealing lip is positioned at the middle part of the oil seal;
the first sealing lip and the second sealing lip are in interference fit with the bearing sleeve, and the end part of the third sealing lip is tightly pressed against the bearing seat.
2. The seal assembly of claim 1 wherein an elastomeric ring is attached to the oil seal, the elastomeric ring being located on the outer periphery of the first seal lip for tightening the first seal lip.
3. The seal assembly of claim 1, wherein a guide slot is provided between the second and third seal lips that opens toward the tripod.
4. The seal assembly of claim 3 wherein said first seal lip, said second seal lip and said bearing housing cooperate to define a water-resistant chamber.
5. The seal assembly of claim 1, wherein a framework is further disposed within the oil seal, the framework for supporting the oil seal.
6. The seal assembly of claim 1, wherein an outer wall of the oil seal is raised to form a seal ring that compresses an inner wall of the bearing housing.
7. The seal assembly of claim 6, wherein the outer wall of the oil seal is provided with a plurality of said seal rings, the plurality of said seal rings being spaced apart along the axial direction of the oil seal.
8. A drum type washing machine comprising the sealing assembly as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320026774.6U CN219263175U (en) | 2023-01-03 | 2023-01-03 | Sealing assembly and drum-type washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320026774.6U CN219263175U (en) | 2023-01-03 | 2023-01-03 | Sealing assembly and drum-type washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219263175U true CN219263175U (en) | 2023-06-27 |
Family
ID=86870820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320026774.6U Active CN219263175U (en) | 2023-01-03 | 2023-01-03 | Sealing assembly and drum-type washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219263175U (en) |
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2023
- 2023-01-03 CN CN202320026774.6U patent/CN219263175U/en active Active
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