CN111692275A - Washing machine bottom foot and technological method - Google Patents
Washing machine bottom foot and technological method Download PDFInfo
- Publication number
- CN111692275A CN111692275A CN201910187361.4A CN201910187361A CN111692275A CN 111692275 A CN111692275 A CN 111692275A CN 201910187361 A CN201910187361 A CN 201910187361A CN 111692275 A CN111692275 A CN 111692275A
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- washing machine
- polyurethane
- rigid
- elastic
- rigid polyurethane
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- 238000005406 washing Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims description 11
- 229920002635 polyurethane Polymers 0.000 claims abstract description 173
- 239000004814 polyurethane Substances 0.000 claims abstract description 173
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 14
- 229920001971 elastomer Polymers 0.000 description 13
- 238000013016 damping Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 4
- 229920003225 polyurethane elastomer Polymers 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical group CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention discloses a washing machine foot, which comprises a support piece, a support rod and a support rod, wherein the support piece is used for supporting on a support surface; the supporting piece comprises a rigid polyurethane component and an elastic polyurethane component which are integrally formed, and the elastic polyurethane component is in contact with the supporting surface. The washing machine bottom foot is integrally formed by the rigid polyurethane component and the elastic polyurethane component, the structure is integral, the strength is high, and the washing machine bottom foot is ensured not to be damaged when the washing machine bottom foot is dragged by the washing machine; the elastic polyurethane material can generate larger deformation force under the condition of tiny transverse expansion, and further generate larger ground holding force; while the polyurethane material has less permanent set. The washing machine footing fully utilizes the polyurethane technology, improves the overall system safety of the washing machine and the durability of the washing machine footing, brings better shock absorption and noise reduction effects, and provides better use experience for users.
Description
Technical Field
The invention belongs to the field of bottom supporting structures of washing machines, and particularly relates to a washing machine bottom foot and a technological method.
Background
The bottom feet of the existing washing machine are produced by integrally producing a rigid member and rubber and plastic, and the rubber is used for damping, but the problems that the elasticity of the rubber is high and the rubber is easy to generate permanent deformation, so that the washing machine vibrates greatly exist.
The Chinese patent with the application number of 201020169178.6 discloses a washing machine bottom foot, which comprises a bottom foot body, wherein an inward groove is formed in the bottom surface of a rubber layer in the bottom foot body, a damping layer is filled in the groove, the damping layer is connected with the rubber layer through an adhesive layer, the adhesive layer is a butyronitrile rubber layer, and the damping layer is a polyurethane rubber layer; the bottom surface of the damping layer and the bottom surface of the rubber layer are on the same horizontal plane. The utility model provides a can reduce the amplitude of complete machine during operation, can guarantee the washing machine footing of footing rigidity again. The base of the bottom foot body in the technical scheme of the invention is still made of rubber, and the problem that the washing machine vibrates because the rubber is easy to generate permanent deformation is still solved. In addition, the damping layer is filled in the groove formed on the bottom surface of the rubber layer, so that the connection strength between the damping layer and the rubber layer is insufficient, and the damping layer is easy to fall off
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a washing machine footing and a technological method.
In order to solve the technical problems, the invention adopts the technical scheme that: a washing machine foot comprising: a support member for supporting on a support surface; the supporting piece comprises a rigid polyurethane component and an elastic polyurethane component which are integrally formed, and the elastic polyurethane component is in contact with the supporting surface.
Furthermore, the rigid polyurethane member comprises a supporting part which plays a supporting role, and the elastic polyurethane member at least covers one surface of the supporting part facing to the supporting surface.
Furthermore, the rigid polyurethane component also comprises a connecting part used for connecting the bottom of the washing machine, and the connecting part is formed by integrally extending the supporting part towards the bottom of the washing machine.
Preferably, the elastic polyurethane member is provided to cover the entire support portion.
Specifically, the supporting part is a rigid polyurethane base body, the connecting part is a rigid polyurethane threaded rod with threads on the outer wall extending from the center of the rigid polyurethane base body to the bottom of the washing machine, and the outer surface of the whole rigid polyurethane base body is coated by the elastic polyurethane component.
Furthermore, the washing machine also comprises a connecting piece used for connecting the bottom of the washing machine, and the connecting piece is fixedly connected or integrally connected with the rigid polyurethane component.
Preferably, the connecting piece is a rigid bolt.
Furthermore, the rigid polyurethane member comprises a supporting part and a mounting part for connecting with the connecting piece, and the elastic polyurethane member at least surrounds one surface of the supporting part facing the supporting surface.
Preferably, the elastic polyurethane member covers the entire outer surface of the support portion.
Specifically, the supporting part is a rigid polyurethane seat body, the assembling part is an accommodating groove formed in one side of the rigid polyurethane seat body, and one end of the connecting piece is arranged in the accommodating groove and integrally connected with the rigid polyurethane component.
Further, the bottom surface of the elastic polyurethane member is provided with a concave structure facing the supporting surface.
Preferably, the concave structure is an arc-shaped concave formed by gradually deepening the concave from the outer edge of the bottom surface of the elastic polyurethane member to the center of the bottom surface of the elastic polyurethane member.
More preferably, the bottom surface of the elastic polyurethane member is provided with an extending structure facing the supporting surface, the extending structure is formed by extending the whole from the center of the bottom surface of the elastic polyurethane member to the vicinity of the edge of the elastic polyurethane member to the side close to the supporting surface, the recessed structure is arranged on the extending structure, and the recessed structure is an arc-shaped recess formed by gradually deepening the recess from the outer edge of the bottom surface of the extending structure to the center of the bottom surface of the extending structure.
More preferably, the elastic polyurethane member is made of a microcellular polyurethane elastic material.
The forming process of the washing machine foot comprises the following steps:
injection molding an elastic polyurethane component with an open accommodating cavity;
and pouring a rigid polyurethane material into the accommodating cavity of the elastic polyurethane member, heating to a certain temperature, forming the rigid polyurethane material into a rigid polyurethane member, and integrally forming the rigid polyurethane member and the elastic polyurethane member into a support of the washing machine foot.
Further, before pouring the rigid polyurethane material into the containing cavity of the elastic polyurethane component,
the rigid bolt is placed in an accommodating cavity of the elastic polyurethane component, a rigid polyurethane material is poured between the rigid bolt and the elastic polyurethane component and is heated to a certain temperature, the rigid polyurethane material is formed into the rigid polyurethane component, and the rigid polyurethane component, the elastic polyurethane component and the rigid bolt are integrally formed into a support of the bottom foot of the washing machine.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The invention adopts the rigid polyurethane component and the elastic polyurethane component to be integrally formed, has the advantages of integral structure and high strength, and ensures that the washing machine bottom feet can not be damaged when the washing machine bottom feet are dragged.
2. The washing machine foot disclosed by the invention fully utilizes a polyurethane technology, the elastic polyurethane member is adopted to coat the base supporting part, and the elastic polyurethane material can generate larger deformation force under the condition of tiny transverse expansion, so that larger ground holding force is generated; at the same time, the elastic polyurethane material has smaller permanent deformation. The washing machine has the advantages that the safety of the whole system of the washing machine and the durability of the bottom feet of the washing machine are improved, better damping and noise reduction effects are brought, and better use experience of a user is provided.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a schematic view of the structure of the bottom foot of the washing machine of the present invention;
fig. 2 is a structural schematic view of a washing machine foot according to the present invention.
In the figure: 1. an elastomeric polyurethane member; 2. a support portion; 3. a raised structure; 4. fastening a nut; 5. a connecting portion; 6. a rigid bolt.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 2, the present invention provides a washing machine foot, comprising a support member for supporting on a support surface; the support comprises a rigid polyurethane component and an elastic polyurethane component 1 which are integrally formed, wherein the elastic polyurethane component 1 is in contact with a support surface. The rigid polyurethane component and the elastic polyurethane component are both made of polyurethane materials, and are combined into an internal rigid and external flexible polyurethane component body after being heated to a certain temperature. The structure of the washing machine is a whole, the strength is high, and the feet of the washing machine cannot be damaged under the condition that the washing machine is dragged.
Further, the rigid polyurethane member includes a supporting portion 2 for supporting, and the elastic polyurethane member 1 may only cover one surface of the supporting portion 2 facing the supporting surface, or may cover the entire supporting portion 2. Compared with the traditional washing machine footing, the elastic polyurethane component has smaller permanent deformation in order to reduce vibration and noise and the rubber pad is arranged on the surface of the washing machine footing, which is contacted with the supporting surface, so that the washing machine footing is used for longer service life.
In this embodiment, the elastic polyurethane member 1 is used to cover the entire support portion 2. The elastic polyurethane member 1 and the rigid polyurethane member have higher connecting strength, so that the elastic polyurethane member is prevented from generating large friction force between the elastic polyurethane member 1 and a supporting surface when being used for dragging the washing machine, and the elastic polyurethane member is prevented from being separated from the rigid polyurethane member.
The rigid polyurethane component also comprises a connecting part 5 for connecting the bottom of the washing machine, and the connecting part 5 is formed by integrally extending the supporting part 2 towards the bottom of the washing machine. So that the foot is coupled to the washing machine and the coupling part 5 and the supporting part 2 are integrally formed of a rigid polyurethane member to greatly increase the strength thereof.
Specifically, the supporting part 2 is a rigid polyurethane base, the connecting part 5 is a rigid polyurethane threaded rod with threads on the outer wall extending from the center of the rigid polyurethane base to the bottom of the washing machine, and the outer surface of the whole rigid polyurethane base is coated by the elastic polyurethane member 1.
The connecting piece is characterized by further comprising a fastening piece, and the fastening piece is in threaded connection with the connecting portion. Specifically, the fastening piece is a fastening nut 4 matched with the connecting part 5, and the connecting part 5 is tightly connected with the bottom of the washing machine through the fastening nut 4. The rigid polyurethane member base is also provided with a convex structure 3, and the convex structure 3 is formed by the way that the whole contact part of the rigid polyurethane member base body and the rigid polyurethane threaded rod is convex towards the bottom direction of the washing machine. The convex structure 3 is higher than the elastic polyurethane component 1 and forms a boss, the surface of the boss is smooth, and the cross section area of the boss is smaller than that of the fastening nut 4. The design of the protruding structure 3 makes the fastening nut 4 not necessarily contact with the elastic polyurethane member 1, avoiding the fastening nut 4 from damaging the elastic polyurethane member 1. Meanwhile, the contact area of the bottom surface of the fastening nut 4 is small due to the lug boss, so that the fastening nut 4 can be screwed in or out more easily, and the phenomenon that the contact area of the bottom surface of the fastening nut 4 is too large and adhesion is difficult to rotate due to long time is avoided.
Further, the thickness of the elastic polyurethane member 1 coated on the upper surface of the rigid polyurethane member seat body is smaller than the thickness of the elastic polyurethane member 1 coated on the lower surface of the rigid polyurethane member seat body. The vibration of the washing machine is further reduced, so that the washing machine runs more stably and the noise is lower.
In order to make the washing machine more stable and increase the ground holding force of the feet of the washing machine, the bottom surface of the elastic polyurethane component 1 is provided with a concave structure facing the supporting surface. Specifically, the concave structure is an arc-shaped concave formed by gradually deepening the concave from the outer edge of the bottom surface of the elastic polyurethane member 1 to the center of the bottom surface of the elastic polyurethane member 1.
In another embodiment, the bottom surface of the elastic polyurethane member 1 is provided with an extending structure facing the supporting surface, the extending structure is formed by extending the whole from the center of the bottom surface of the elastic polyurethane member 1 to the vicinity of the edge of the elastic polyurethane member 1 to the side close to the supporting surface, the recessed structure is arranged on the extending structure, and the recessed structure is an arc-shaped recess formed by gradually deepening the recess from the outer edge of the bottom surface of the extending structure to the center of the bottom surface of the extending structure. The sunken setting of arc makes the washing machine footing place on ground, because washing machine's gravity makes the arc ground of elasticity polyurethane component warp towards both ends and expand, and then produces inward deformation power for footing elasticity polyurethane component bottom surface tightly grasps ground, produces great land fertility of grabbing. Therefore, the washing machine can run more stably, and even if the washing machine rotates at a high speed during dewatering, the washing machine can be stable and cannot shake.
More preferably, the elastic polyurethane member is made of a microcellular polyurethane elastic material.
In another embodiment, the connection part of the rigid polyurethane member in the above embodiment may be replaced by a rigid bolt 6, and the rigid bolt 6 may be fixedly connected or integrally connected with the rigid polyurethane member. In this embodiment, the connecting member 6 is integrally connected to the rigid polyurethane member, so that the connecting member and the rigid polyurethane member are more firmly connected. In actual production, the rigid bolt 6 of the traditional base can be used, the screw hole at the bottom of the washing machine is not required to be changed, only the polyurethane supporting piece is required to be produced, and the production efficiency of the washing machine base is improved.
Further, the rigid polyurethane member includes a support portion 2 and a fitting portion for connection with the rigid bolt 6. Specifically, the supporting portion 2 is a rigid polyurethane base body, the assembling portion is an accommodating groove formed in one side of the rigid polyurethane base body, and one end of the rigid bolt 6 is arranged in the accommodating groove and integrally connected with the rigid polyurethane member. The arrangement of the receiving groove increases the assembly efficiency of the rigid bolt 6 and the polyurethane support.
The forming process for the washing machine bottom foot is also provided, and the forming process for the connecting part which is integrally formed by the rigid polyurethane threaded rod and the rigid polyurethane component seat body comprises the following steps:
(1) injecting and molding the micro-elastic polyurethane component with the containing groove in the first mold;
(2) cooling to room temperature, taking the elastic polyurethane component out of the first mold, then placing the elastic polyurethane component into a second mold, pouring a rigid polyurethane component into the second mold, heating to a certain temperature, reacting the rigid polyurethane component to form a rigid polyurethane threaded rod with threads on the outer wall and a rigid polyurethane component seat body, and coating the elastic polyurethane component on the seat body of the whole rigid polyurethane component;
(3) cooling to room temperature, and taking out the bottom foot body from the second mold to obtain the bottom foot body;
(4) and assembling the base foot body with a fastening nut matched with the base foot body, and finishing the manufacture of the base foot.
The forming process for integrally connecting the connecting part with the rigid polyurethane component seat body by the rigid bolt comprises the following steps;
(1) injecting and molding the elastic polyurethane component with the containing groove in the first mold;
(2) preparing a metal bolt with a proper size;
(3) cooling to room temperature, taking the microporous polyurethane elastomer out of the first mold, then placing the microporous polyurethane elastomer into a second mold, placing the metal bolt into a containing groove of the microporous polyurethane elastomer, then pouring a rigid polyurethane component into the second mold, heating to a certain temperature, reacting the rigid polyurethane component to form a rigid polyurethane member, and integrally forming the rigid bolt, the rigid polyurethane member and the elastic polyurethane member;
(4) cooling to room temperature, and taking out the bottom foot body from the second mold to obtain the bottom foot body;
(5) and assembling the base foot body with a fastening nut matched with the base foot body, and finishing the manufacture of the base foot.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A washing machine footing which characterized in that: the method comprises the following steps:
a support member for supporting on a support surface;
the supporting piece comprises a rigid polyurethane component and an elastic polyurethane component which are integrally formed, and the elastic polyurethane component is in contact with the supporting surface.
2. A washing machine foot as defined in claim 1 wherein: the rigid polyurethane member comprises a supporting part which plays a supporting role, and the elastic polyurethane member at least covers one surface of the supporting part facing to the supporting surface.
3. A washing machine foot as defined in claim 2 wherein: the rigid polyurethane component also comprises a connecting part used for connecting the bottom of the washing machine, and the connecting part is formed by integrally extending the supporting part towards the bottom of the washing machine;
preferably, the elastic polyurethane member is provided to cover the entire support portion.
4. A washing machine foot as defined in claim 3 wherein: the supporting part is a rigid polyurethane seat body, the connecting part is a rigid polyurethane threaded rod with threads on the outer wall extending from the rigid polyurethane seat body to the bottom of the washing machine, and the outer surface of the whole rigid polyurethane seat body is coated by the elastic polyurethane component.
5. A washing machine foot as defined in claim 1 wherein: the washing machine also comprises a connecting piece used for connecting the bottom of the washing machine, wherein the connecting piece is fixedly connected or integrally connected with the rigid polyurethane component;
preferably, the connecting piece is a rigid bolt.
6. A washing machine foot as defined in claim 5 wherein: the rigid polyurethane member comprises a supporting part and an assembling part used for being connected with the connecting piece, and the elastic polyurethane member at least surrounds one surface of the supporting part facing the supporting surface;
preferably, the elastic polyurethane member covers the entire outer surface of the support portion.
7. A washing machine foot as defined in claim 6 wherein: the supporting part is a rigid polyurethane seat body, the assembling part is an accommodating groove formed in one side of the rigid polyurethane seat body, and one end of the connecting piece is arranged in the accommodating groove and integrally connected with the rigid polyurethane component.
8. A washing machine foot as defined in claim 1 wherein: a concave structure is arranged on one side of the elastic polyurethane component, which is in contact with the supporting surface;
preferably, the concave structure is an arc-shaped concave formed by gradually deepening the concave from the outer edge of the bottom surface of the elastic polyurethane member to the center of the bottom surface of the elastic polyurethane member;
more preferably, the bottom surface of the elastic polyurethane member is provided with an extending structure facing the supporting surface, the extending structure is formed by extending the whole from the center of the bottom surface of the elastic polyurethane member to the vicinity of the edge of the elastic polyurethane member to the side close to the supporting surface, the recessed structure is arranged on the extending structure, and the recessed structure is an arc-shaped recess formed by gradually deepening from the outer edge of the bottom surface of the extending structure to the center of the bottom surface of the extending structure;
more preferably, the elastic polyurethane member is made of a microcellular polyurethane elastic material.
9. A molding process for manufacturing a washing machine foot according to any one of claims 1 to 7, comprising the steps of:
injection molding an elastic polyurethane component with an open accommodating cavity;
and pouring a rigid polyurethane material into the accommodating cavity of the elastic polyurethane member, heating to a certain temperature, forming the rigid polyurethane material into a rigid polyurethane member, and integrally forming the rigid polyurethane member and the elastic polyurethane member into a support of the washing machine foot.
10. The process of claim 9, further comprising pouring a rigid polyurethane material into the cavity of the resilient polyurethane member,
the rigid bolt is placed in an accommodating cavity of the elastic polyurethane component, a rigid polyurethane material is poured between the rigid bolt and the elastic polyurethane component and is heated to a certain temperature, the rigid polyurethane material is formed into the rigid polyurethane component, and the rigid polyurethane component, the elastic polyurethane component and the rigid bolt are integrally formed into a support of the bottom foot of the washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910187361.4A CN111692275B (en) | 2019-03-13 | 2019-03-13 | Washing machine bottom foot and technological method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910187361.4A CN111692275B (en) | 2019-03-13 | 2019-03-13 | Washing machine bottom foot and technological method |
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| CN111692275A true CN111692275A (en) | 2020-09-22 |
| CN111692275B CN111692275B (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910187361.4A Active CN111692275B (en) | 2019-03-13 | 2019-03-13 | Washing machine bottom foot and technological method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998315A (en) * | 2021-10-29 | 2022-02-01 | 东风汽车底盘系统有限公司 | Logistics support structure for rolling wheel |
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| CN201648783U (en) * | 2010-04-23 | 2010-11-24 | 合肥荣事达三洋电器股份有限公司 | Washing machine foot |
| DE602007011386D1 (en) * | 2007-01-25 | 2011-02-03 | Electrolux Home Prod Corp | Column arrangement for household appliances |
| CN202671894U (en) * | 2012-06-18 | 2013-01-16 | 南京乐金熊猫电器有限公司 | Footing for washing machine |
| CN207391827U (en) * | 2017-09-22 | 2018-05-22 | 青岛海尔滚筒洗衣机有限公司 | A kind of vibration and noise reducing footing and washing machine |
| CN109423860A (en) * | 2017-09-01 | 2019-03-05 | 青岛海尔洗衣机有限公司 | Household electrical appliance is with supporting levelling device and household electrical appliance |
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2019
- 2019-03-13 CN CN201910187361.4A patent/CN111692275B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602007011386D1 (en) * | 2007-01-25 | 2011-02-03 | Electrolux Home Prod Corp | Column arrangement for household appliances |
| CN201648783U (en) * | 2010-04-23 | 2010-11-24 | 合肥荣事达三洋电器股份有限公司 | Washing machine foot |
| CN202671894U (en) * | 2012-06-18 | 2013-01-16 | 南京乐金熊猫电器有限公司 | Footing for washing machine |
| CN109423860A (en) * | 2017-09-01 | 2019-03-05 | 青岛海尔洗衣机有限公司 | Household electrical appliance is with supporting levelling device and household electrical appliance |
| CN207391827U (en) * | 2017-09-22 | 2018-05-22 | 青岛海尔滚筒洗衣机有限公司 | A kind of vibration and noise reducing footing and washing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113998315A (en) * | 2021-10-29 | 2022-02-01 | 东风汽车底盘系统有限公司 | Logistics support structure for rolling wheel |
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| Publication number | Publication date |
|---|---|
| CN111692275B (en) | 2023-01-31 |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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