CN110685129A - Door opening speed reducer of washing machine - Google Patents
Door opening speed reducer of washing machine Download PDFInfo
- Publication number
- CN110685129A CN110685129A CN201911020589.0A CN201911020589A CN110685129A CN 110685129 A CN110685129 A CN 110685129A CN 201911020589 A CN201911020589 A CN 201911020589A CN 110685129 A CN110685129 A CN 110685129A
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- China
- Prior art keywords
- annular
- washing machine
- wall
- plug
- door opening
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-
- 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
- D06F39/14—Doors or covers; Securing means therefor
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention belongs to the technical field of washing machine door accessories, and particularly relates to a washing machine door opening speed reducer which comprises a rotating seat and a rotating sleeve, wherein the rotating seat and the rotating sleeve are spliced and matched and can rotate mutually, and the centers of the rotating seat and the rotating sleeve are respectively provided with a through shaft hole. The door opening reducer of the washing machine, provided by the invention, is simple in structure, is suitable for the washing machine with the split doors, can provide buffering for opening the machine door of the washing machine, and ensures the use safety and good experience of the washing machine.
Description
Technical Field
The invention belongs to the technical field of washing machine door accessories, and particularly relates to a washing machine door opening speed reducer.
Background
The traditional drum washing machine usually arranges a machine door right in front of an operator, and people need to squat down to take and place clothes, so that the old and pregnant women are very inconvenient to use. In the industry, a scheme (figure 7) of opening the door is designed aiming at the defect, namely, a pair of machine doors capable of being opened oppositely is arranged at the top of the side surface of the machine body, a torsion spring is arranged at the rotating part of the machine door to elastically open (figure 8), and a lock catch and a lock hook are arranged at the matching part of the two machine doors to close and lock the machine doors. The design facilitates the placement of clothes in a standing posture by an operator, but the door body can be rapidly opened and collided with the machine body due to the large compression elasticity of the torsion spring when being opened, and the risk of injuring the hands of the operator also exists.
Disclosure of Invention
The invention aims to provide a door opening reducer of a washing machine, which is simple in structure, is matched with the washing machine with the side-by-side combination door, can provide buffering for opening of the machine door of the washing machine, and ensures the use safety and good experience of the washing machine.
The purpose of the invention is realized as follows: a washing machine door opening speed reducer comprises a rotating seat and a rotating sleeve, wherein the rotating seat and the rotating sleeve are spliced and matched and can rotate mutually, the centers of the rotating seat and the rotating sleeve are respectively provided with a through shaft hole, the rotating seat is provided with an annular plug towards the end of the rotating sleeve, and the rotating sleeve is correspondingly provided with an annular slot; the side wall of the annular plug is provided with an axial slit extending to the outer end part, the outer wall of the annular plug is provided with a circle of annular flange intersected with the axial slit, the outer side groove wall of the annular slot is provided with an annular clamping groove, and the annular flange is clamped into the annular clamping groove; a first damping gap is formed between the inner side slot wall of the annular slot and the inner wall of the annular plug, a second damping gap is formed between the outer side slot wall of the annular slot and the outer wall of the annular plug, and damping media are filled in the two damping gaps; an inner sealing ring is arranged between the inner side groove wall of the annular slot and the inner wall of the annular plug, and an outer sealing ring is arranged between the outer side groove wall of the annular slot and the outer wall of the annular plug; a chamber containing a damping medium is formed between the two sealing rings.
Further, the axial slits are a pair and are symmetrically distributed on the annular plug.
Furthermore, an annular groove for installing an outer sealing ring is formed in the outer wall of the annular plug, and the annular groove does not intersect with the axial slit.
Furthermore, the outer wall of the rotating seat is provided with a first positioning bulge fixed with the shell of the washing machine, and the outer wall of the rotating sleeve is provided with a second positioning bulge fixed with the door body of the washing machine.
Furthermore, the outer wall of the rotating sleeve is provided with a limiting bulge, and the limiting bulge is positioned below the second positioning bulge and forms an included angle with the second positioning bulge.
Furthermore, the outer end of the rotating seat is provided with a first annular column, and the outer end of the rotating sleeve is provided with a second annular column.
Furthermore, the outer diameter of the head of the annular plug is reduced, and axial support ribs are distributed on the outer wall of the reduced part.
Furthermore, the height of the supporting rib is consistent with the height of the outer diameter of the tail part of the annular plug.
Further, the annular flange is arranged at the tail part of the annular plug with larger outer diameter.
Furthermore, the outer end face of the rotating seat is provided with a weight reduction groove.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that: the door and the body of the washing machine are penetrated together by a rotating shaft, and the rotating seat and the rotating sleeve are also penetrated on the rotating shaft by an inner shaft hole. The rotating seat and the rotating sleeve are not internally provided with a limiting structure, so that 360-degree rotation can be realized, the outer part of the rotating seat is relatively fixed with the machine body, and the rotating sleeve rotates along with the door. The damping medium is filled between the rotating seat and the rotating sleeve, the damping force generated by relative motion can effectively deal with the large elastic compression force at the initial stage of the torsion spring, and along with the gradual start of the machine door, the elastic compression force is reduced, and the damping force is unchanged, so that the effect of quick opening and slow stopping of the machine door is realized.
Drawings
Fig. 1 is a first external view of a decelerator according to an embodiment of the present invention.
FIG. 2 is a second external view of the decelerator according to the embodiment of the present invention.
Fig. 3 is an axial sectional view of a speed reducer in an embodiment of the present invention.
Fig. 4 is a vertical sectional view of a speed reducer in an embodiment of the invention.
Fig. 5 is a first exploded view of the rotary seat and the rotary sleeve according to the embodiment of the present invention.
Fig. 6 is a second exploded view of the rotary seat and the rotary sleeve in the embodiment of the invention.
FIG. 7 is a schematic view illustrating opening of a door body of the side-by-side washing machine according to the embodiment of the invention.
Fig. 8 is a schematic diagram of the combination of the door body and the machine body of the washing machine in the embodiment of the invention.
FIG. 9 is a cross-sectional view of the reducer, the door and the body in an embodiment of the invention.
Reference numerals: 1. rotating the sleeve; 1a, a second positioning bulge; 1b, a second annular column; 1c, limiting bulges; 1d, shaft holes; 2. a rotating seat; 2a, a first positioning bulge; 2b, a first annular column; 2c, a weight reduction groove; 2d, shaft holes; 3. an outer sealing ring; 4. an inner seal ring; 5. an annular plug; 5a, an annular flange; 5b, supporting ribs; 5c, an axial slit; 5d, an annular groove; 6. an annular slot; 6a, a ring-shaped clamping groove; 7. a torsion spring; m, a machine body; n, a machine door; o, a rotating shaft.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
A door opening reducer of a washing machine is combined with figures 1-3 and comprises a rotating seat 2 and a rotating sleeve 1 which are spliced and matched and can rotate mutually, and the centers of the rotating seat 2 and the rotating sleeve 1 are respectively provided with a through shaft hole (1 d, 2 d) for a rotating shaft O to pass through.
Referring to fig. 3, 5 and 6, the specific insertion structure of the rotary base 2 and the rotary sleeve 1 is as follows. The rotating seat 2 is provided with an annular plug 5 towards the end of the rotating sleeve 1, an annular slot 6 is arranged in the rotating sleeve 1, the annular plug 5 is inserted into the annular slot 6, an annular slot groove 6a is formed in the outer side slot wall of the annular slot 6, a circle of annular flange 5a is arranged on the outer wall of the annular plug 5, and the annular flange 5a is embedded into the annular slot groove 6a, so that the rotating sleeve 1 is limited to be axially pulled out.
In order to facilitate the insertion of the annular plug 5, an axial slit 5c is provided in the annular plug 5, and the axial slit 5c extends to the head end surface of the annular plug 5, so that the annular plug 5 has a certain deformation capability. In this embodiment, the axial slits 5c are symmetrically arranged in pairs, wherein the annular flange 5a is preferably crossed with the axial slits 5c, so that the outer diameter of the annular flange 5a is firstly reduced under the action of radial force, and the annular plug 5 is inserted into the annular slot 6 until the annular flange 5a extends into the annular slot 6a, and is expanded again under the action of self elastic force and is embedded with the annular slot 6 a. Preferably, the outer diameter of the front half of the annular plug 5 can be set smaller to accommodate the damping medium and improve the deformation capability thereof, and the structural strength is ensured by distributing the support ribs 5b on the outer periphery. The outer diameter of the support rib 5b is preferably the same as the outer diameter of the annular plug 5 at the rear half, and the annular flange 5a is preferably provided at a portion of the annular plug 5 at which the outer diameter is larger at the rear end. The materials of the rotating seat 2 and the rotating sleeve 1 in the embodiment are both preferably plastic materials.
Referring to fig. 3 specifically, an inner seal ring 4 is arranged on the inner side of the bottom end of the annular plug 5, and an outer seal ring 3 is arranged on the outer side; two sealing rings seal the cavity between the annular plug 5 and the annular socket 6 and are filled with a damping medium, in this embodiment, silicon oil is used as the medium. Form first damping clearance between the inboard cell wall of annular slot 6 and the 5 inner walls of annular plug, form second damping clearance between the outside cell wall of annular slot 6 and the 5 outer walls of annular plug, two damping clearances owing to fill there is silicon oil for can produce certain resistance when rotating seat 2 and rotating sleeve 1 relative rotation. The outer side of the annular plug 5 is used for being matched with the outer sealing ring 3 by arranging the annular groove 5d, and silicone oil is prevented from leaking from the matching surface of the rotating seat 2 and the rotating sleeve 1. The annular groove 5d is preferably provided below the axial slit 5c without intersecting the axial slit 5c to ensure sealability. The top end of the inner side groove wall of the annular slot 6 is in a step shape and is used for placing the inner sealing ring 4, and silicone oil is prevented from leaking from the shaft hole.
With reference to fig. 5, 6 and 9, the outer wall of the rotating base 2 is provided with a first positioning protrusion 2a fixed to the casing of the washing machine, the outer wall of the rotating sleeve 1 is provided with a second positioning protrusion 1a fixed to the door N of the washing machine, the outer wall of the rotating sleeve 1 is further provided with a limiting protrusion 1c, and the limiting protrusion 1c is located below the second positioning protrusion 1a and forms an included angle with the second positioning protrusion 1 a. When an operator presses the machine door N, if the operator presses the machine door N excessively, the limiting protrusion 1c is blocked on the inner wall of the machine body M, and the machine door N rotates downwards to play a limiting role.
Wherein, the outer end of the rotating seat 2 is provided with a first annular column 2b, and the outer end of the rotating sleeve 1 is provided with a second annular column 1 b. The first annular column 2b and the second annular column 1b are used for sleeving the torsion spring 7, one end of the torsion spring 7 is fixed with the machine body M, and the other end of the torsion spring 7 is fixed with the machine door N, so that elastic force is generated between the first annular column and the second annular column.
Wherein, the outer end face of the rotating seat 2 is provided with a lightening groove 2 c. The lightening slots 2c are distributed circumferentially around the first annular column 2 b.
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 (10)
1. A washing machine speed reducer that opens door which characterized in that:
the plug-in type socket comprises a rotating seat (2) and a rotating sleeve (1), wherein the rotating seat (2) and the rotating sleeve (1) are in plug-in fit and can rotate mutually, the centers of the rotating seat and the rotating sleeve are respectively provided with a through shaft hole (2 d and 1 d), the end, facing the rotating;
the side wall of the annular plug (5) is provided with an axial slit (5 c) extending to the outer end part, the outer wall of the annular plug is provided with a circle of annular flange (5 a) intersecting the axial slit (5 c), the outer side groove wall of the annular slot (6) is provided with an annular clamping groove (6 a), and the annular flange (5 a) is clamped into the annular clamping groove (6 a);
a first damping gap is formed between the inner side slot wall of the annular slot (6) and the inner wall of the annular plug (5), a second damping gap is formed between the outer side slot wall of the annular slot (6) and the outer wall of the annular plug (5), and damping media are filled in the two damping gaps;
an inner sealing ring (4) is arranged between the inner side groove wall of the annular slot (6) and the inner wall of the annular plug (5), and an outer sealing ring (3) is arranged between the outer side groove wall of the annular slot (6) and the outer wall of the annular plug (5); a chamber containing a damping medium is formed between the two sealing rings.
2. A door opening decelerator of a washing machine according to claim 1, wherein: the axial slits (5 c) are paired and symmetrically distributed on the annular plug (5).
3. A door opening decelerator of a washing machine according to claim 1, wherein: the outer wall of the annular plug (5) is provided with an annular groove (5 d) for installing the outer sealing ring (3), and the annular groove (5 d) is not intersected with the axial slit (5 c).
4. A door opening decelerator of a washing machine according to claim 1, wherein: the outer wall of the rotating seat (2) is provided with a first positioning bulge (2 a) fixed with a shell of the washing machine, and the outer wall of the rotating sleeve (1) is provided with a second positioning bulge (1 a) fixed with a door body of the washing machine.
5. The door opening decelerator of a washing machine according to claim 4, wherein: the outer wall of the rotating sleeve (1) is provided with a limiting protrusion (1 c), and the limiting protrusion (1 c) is located below the second positioning protrusion (1 a) and forms an included angle with the second positioning protrusion (1 a).
6. A door opening decelerator of a washing machine according to claim 1, wherein: the outer end of the rotating seat (2) is provided with a first annular column (2 b), and the outer end of the rotating sleeve (1) is provided with a second annular column (1 b).
7. A door opening decelerator of a washing machine according to claim 1, wherein: the outer diameter of the head of the annular plug (5) is reduced, and axial support ribs (5 b) are distributed on the outer wall of the reduced part.
8. The door opening decelerator of a washing machine according to claim 7, wherein: the height of the support rib (5 b) is consistent with the height of the outer diameter of the tail part of the annular plug (5).
9. The door opening decelerator of a washing machine according to claim 8, wherein: the annular flange (5 a) is arranged at the tail part of the annular plug (5) with larger outer diameter.
10. A door opening decelerator of a washing machine according to claim 1, wherein: and a weight reduction groove (2 c) is formed in the outer end face of the rotating seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020589.0A CN110685129A (en) | 2019-10-25 | 2019-10-25 | Door opening speed reducer of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911020589.0A CN110685129A (en) | 2019-10-25 | 2019-10-25 | Door opening speed reducer of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110685129A true CN110685129A (en) | 2020-01-14 |
Family
ID=69113979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911020589.0A Withdrawn CN110685129A (en) | 2019-10-25 | 2019-10-25 | Door opening speed reducer of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110685129A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1180634A1 (en) * | 2000-08-19 | 2002-02-20 | Carl Kurt Walther GmbH & Co. KG | Coupling for pressurized fluids |
| CN2581753Y (en) * | 2002-11-11 | 2003-10-22 | 台湾扣具工业股份有限公司 | Damper |
| CN105507718A (en) * | 2015-12-25 | 2016-04-20 | 青岛鑫达伟业电子有限公司 | Rotary damper used for top-opening type washing machine lid |
| CN106678463A (en) * | 2017-03-23 | 2017-05-17 | 雷纳德流体智能科技江苏股份有限公司 | Pipe joint |
| CN206774880U (en) * | 2017-05-05 | 2017-12-19 | 河南森源电气股份有限公司 | A kind of block head and gas-filling cabinet using the insulation block head of insulating |
| CN107559363A (en) * | 2017-09-07 | 2018-01-09 | 开平市志杰汽车零部件有限公司 | A kind of novel vertical pad |
| CN207514148U (en) * | 2017-12-05 | 2018-06-19 | 深圳市宁博尔科技有限公司 | A kind of rotary damper |
| CN109736031A (en) * | 2019-03-27 | 2019-05-10 | 杰克缝纫机股份有限公司 | Sewing machine is just backstitching switching construction and damping rotator |
| CN110311514A (en) * | 2019-07-31 | 2019-10-08 | 重庆灵龙实业发展有限公司 | Outer rotor brushless motor with absolute origin signal |
| CN210975244U (en) * | 2019-10-25 | 2020-07-10 | 台州市信恩电子科技有限公司 | Door opening speed reducer of washing machine |
-
2019
- 2019-10-25 CN CN201911020589.0A patent/CN110685129A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1180634A1 (en) * | 2000-08-19 | 2002-02-20 | Carl Kurt Walther GmbH & Co. KG | Coupling for pressurized fluids |
| CN2581753Y (en) * | 2002-11-11 | 2003-10-22 | 台湾扣具工业股份有限公司 | Damper |
| CN105507718A (en) * | 2015-12-25 | 2016-04-20 | 青岛鑫达伟业电子有限公司 | Rotary damper used for top-opening type washing machine lid |
| CN106678463A (en) * | 2017-03-23 | 2017-05-17 | 雷纳德流体智能科技江苏股份有限公司 | Pipe joint |
| CN206774880U (en) * | 2017-05-05 | 2017-12-19 | 河南森源电气股份有限公司 | A kind of block head and gas-filling cabinet using the insulation block head of insulating |
| CN107559363A (en) * | 2017-09-07 | 2018-01-09 | 开平市志杰汽车零部件有限公司 | A kind of novel vertical pad |
| CN207514148U (en) * | 2017-12-05 | 2018-06-19 | 深圳市宁博尔科技有限公司 | A kind of rotary damper |
| CN109736031A (en) * | 2019-03-27 | 2019-05-10 | 杰克缝纫机股份有限公司 | Sewing machine is just backstitching switching construction and damping rotator |
| CN110311514A (en) * | 2019-07-31 | 2019-10-08 | 重庆灵龙实业发展有限公司 | Outer rotor brushless motor with absolute origin signal |
| CN210975244U (en) * | 2019-10-25 | 2020-07-10 | 台州市信恩电子科技有限公司 | Door opening speed reducer of washing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200114 |