CN107059357B - Rotary hinge mechanism for drum washing machine door - Google Patents
Rotary hinge mechanism for drum washing machine door Download PDFInfo
- Publication number
- CN107059357B CN107059357B CN201710458189.2A CN201710458189A CN107059357B CN 107059357 B CN107059357 B CN 107059357B CN 201710458189 A CN201710458189 A CN 201710458189A CN 107059357 B CN107059357 B CN 107059357B
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- Prior art keywords
- hinge
- washing machine
- support
- shaft
- rotating shaft
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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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- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Hinges (AREA)
- Hinge Accessories (AREA)
Abstract
The invention discloses a rotary hinge mechanism for a drum washing machine door, which comprises a hinge seat fixed on a front panel of the washing machine, a hinge, a rotating shaft and a stop block, wherein the hinge seat, the rotating shaft and the stop block are fixed on the washing machine door, a lower support and an upper support are symmetrically arranged on the upper surface of the hinge seat, the rotating shaft sequentially penetrates through the lower support, the hinge and the upper support to rotatably arrange the hinge between the lower support and the upper support, the stop block is arranged on the upper part of the hinge seat, one end of the stop block is positioned above the hinge, the hinge contacts with the stop block when rotating to a set angle, and interference fit is realized among all components. When the hinge rotates to a set angle, the stop dog props against the hinge to stop the hinge, and the hinge is stopped when no external force acts due to interference fit among the components, so that the effects of preventing a clamping hand and a door from being knocked are achieved.
Description
Technical Field
The invention relates to the field of washing machine devices, in particular to a rotary hinge mechanism for a drum washing machine door.
Background
In the current drum washing machine design, the washing machine door is built in the front panel of the washing machine, and the washing machine door and the front panel are on the same plane or curved surface and are connected through a door hinge. The existing door hinge is easy to interfere with the front panel in the opening process to abrade the front panel, so that the attractiveness is affected. And when no external force acts, the opening angle is increased due to the inertia of the opening action, and when the opening angle is larger than 150 degrees, the risks of clamping hands or bumping the door and the like are caused, so that inconvenience is brought to the operation of a user.
Disclosure of Invention
The invention aims to solve the problems of clamping or bumping the door when the washing machine is opened and the problem of rotation of the washing machine door when no external force acts.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a rotary hinge mechanism for a drum washing machine door, comprising a hinge support fixed on a front panel of the washing machine, a hinge fixed on the washing machine door, a rotating shaft and a stop block, wherein: the upper surface of the hinged support is symmetrically provided with a lower support and an upper support; the hinge is rotatably arranged between the lower support and the upper support by sequentially penetrating through the lower support, the hinge and the upper support through the rotating shaft; the dog sets up in the upper portion of hinge support, and the one end of dog is located the top of hinge, and the hinge contacts with the dog when rotatory to the settlement angle.
Further, at least one of the rotating shaft, the lower support and the upper support is in interference fit, the rotating shaft and the hinge are also in interference fit, and the binding force of the lower support and the upper support to the rotating shaft is different from the binding force of the hinge to the rotating shaft.
Further, the rotary hinge mechanism further comprises a shaft sleeve, the shaft sleeve is arranged on the hinge, and the rotating shaft sequentially penetrates through the lower support, the shaft sleeve and the upper support to rotatably arrange the hinge between the lower support and the upper support.
Further, the shaft sleeve is fixed on the hinge, at least one of the rotating shaft, the lower support and the upper support is in interference fit, the rotating shaft and the shaft sleeve are also in interference fit, and the tightening force of the lower support and the upper support to the rotating shaft is different from the tightening force of the shaft sleeve to the rotating shaft.
Further, the hinge support and the hinge are made of zinc alloy, and the shaft sleeve is made of wear-resistant plastic.
Further, the tightening force of the lower support and the upper support to the rotating shaft is larger than that of the shaft sleeve to the rotating shaft.
Further, the angle was set to 150 °.
Further, the bottom surface of the hinged support is provided with a reinforcing rib.
Further, the hinge has a hook-shaped arc structure, and arc grooves matched with the hook-shaped arc structure are formed in the middle of the lower support and the upper support.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial technical effects:
when the hinge rotates to a set angle, the stop dog props against the hinge to stop the hinge, and the hinge is stopped when no external force acts due to interference fit among the components, so that the effects of preventing a clamping hand and a door from being knocked are achieved.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
FIG. 1 is a schematic structural view of an embodiment of a rotary hinge mechanism for a drum washing machine door of the present invention;
FIG. 2 is a schematic view of an embodiment of a rotary hinge mechanism for a drum washing machine door of the present invention with the washing machine door in a closed condition;
FIG. 3 is a schematic view of an embodiment of the rotary hinge mechanism for a drum washing machine door of the present invention with the washing machine door in an open state;
fig. 4 is a schematic view of a hinge bracket of an embodiment of a rotary hinge mechanism for a drum washing machine door of the present invention.
Reference numerals:
10-hinged support 11-lower support 12-upper support 13-reinforcing rib
20-hinge 21-lower connecting seat 22-upper connecting seat
31-lower shaft sleeve 32-upper shaft sleeve
40-spindle
51-lower stopper 52-upper stopper
Detailed Description
For the purpose of illustrating the invention, the technical solution and advantages thereof are more clearly understood, the following detailed description of the invention refers to the accompanying drawings, which are given by way of example only. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the hinge mechanism for a drum washing machine door of the present invention includes a hinge base 10, a hinge 20, a lower shaft housing 31, an upper shaft housing 32, a rotation shaft 40, a lower stopper 51 and an upper stopper 52. Wherein the hinged support 10 is fixed on the front panel of the washing machine, the bottom surface of the hinged support 10 is provided with a reinforcing rib 13 for enhancing the firmness of the hinged support 10, a lower support 11 and an upper support 12 are symmetrically arranged on the hinged support, and the middle of the lower support 11 and the upper support 12 is provided with an arc-shaped groove; the upper parts of the lower support 11 and the upper support 12 are respectively provided with a first mounting hole and a second mounting hole, and the right side of the upper part is respectively provided with a lower stop block 51 and an upper stop block 52 for limiting adjacent to the lower support 11 and the upper support 12, wherein one end of the lower stop block 51 is connected to the upper part of the lower support 11, the other end is positioned above the arc-shaped groove, one end of the upper stop block 52 is connected to the upper part of the upper support 12, and the other end is positioned above the arc-shaped groove. The hinge 20 fixed on the door of the washing machine has a hook-shaped arc structure matched with the arc-shaped groove of the hinge holder 10, wherein the opening end of the hook-shaped arc structure is symmetrically provided with a lower connection seat 21 and an upper connection seat 22, and the lower connection seat 21 and the upper connection seat 22 are respectively provided with a third installation hole and a fourth installation hole. The lower shaft sleeve 31 is arranged in the third mounting hole and is in interference fit with the third mounting hole, the upper shaft sleeve 32 is arranged in the fourth mounting hole and is in interference fit with the fourth mounting hole, wherein the lower shaft sleeve 31 is provided with a fifth mounting hole, and the upper shaft sleeve 32 is provided with a sixth mounting hole; the hinge 20 is arranged between the lower support 11 and the upper support 12, and the centers of the first mounting hole, the second mounting hole, the fifth mounting hole and the sixth mounting hole are arranged on the same straight line; the rotating shaft 40 sequentially penetrates through the first mounting hole, the fifth mounting hole, the sixth mounting hole and the second mounting hole to connect the hinge seat 10 and the hinge 20 together, wherein the rotating shaft 40 is in clearance fit with the first mounting hole and is in interference fit with the second mounting hole, the fifth mounting hole and the sixth mounting hole, and the interference magnitude of the rotating shaft 40 and the fifth mounting hole and the sixth mounting hole is smaller than or equal to the interference magnitude of the rotating shaft 40 and the second mounting hole and is also smaller than the interference magnitude of the lower shaft sleeve 31 and the third mounting hole and the interference magnitude of the upper shaft sleeve 32 and the fourth mounting hole.
Fig. 3 and 4 are schematic views of an embodiment of the rotary hinge mechanism for a drum washing machine door of the present invention when the washing machine door is in a closed or open state, respectively, and when the washing machine door is in a closed state to an open state, the hinge 20 is rotated with respect to the hinge base 10, while the rotation shaft 40 is fixed with respect to the second mounting hole, the lower shaft housing 31 is fixed with respect to the third mounting hole, the upper shaft housing 32 is fixed with respect to the fourth mounting hole, and the rotation shaft 40 is rotated with respect to the fifth and sixth mounting holes.
When the rotation angle of the hinge 20 is 150 °, the lower stopper 51 and the upper stopper 52 abut against the inner side of the hook-shaped arc structure of the hinge 20 to stop the rotation, thereby achieving the purpose of preventing the pinching and the collision of the door.
In a preferred embodiment of the present invention, the hinge base 10 and the hinge 20 are made of zinc alloy, the lower and upper bushings 31 and 32 are made of wear-resistant plastic, and the rotation shaft 40 is made of stainless steel; the diameter of the rotating shaft 40 is phi 4.990-phi 5.000mm, the diameter of the first mounting hole is phi 5.000-phi 5.012mm, the diameter of the second mounting hole is phi 4.980-phi 4.990mm, the diameters of the third and fourth mounting holes are phi 7.085-phi 7.095mm, the original outer diameters of the lower shaft sleeve 31 and the upper shaft sleeve 32 are phi 7.130-phi 7.150mm, the original diameters of the fifth and sixth mounting holes are phi 5.040-phi 5.060mm, the diameters of the lower shaft sleeve 31 and the upper shaft sleeve 32 which are made of wear-resistant plastics are reduced to be phi 4.980-phi 4.990mm after being extruded, and the interference of the lower shaft sleeve 31 and the third mounting hole and the upper shaft sleeve 32 and the fourth mounting hole are 0.035-0.5 mm, and the interference of the rotating shaft 40 which sequentially passes through the first mounting hole, the fifth mounting hole, the sixth mounting hole and the second mounting hole and the fifth mounting hole are also reduced to be 0.020-0.020 mm, and the interference of the rotating shaft 40 is also reduced to be 0.020mm; it can be obtained that the tightening force of the assembled third mounting hole to the lower shaft sleeve 31 and the fourth mounting hole to the upper shaft sleeve 32 is greater than the tightening force of the fifth and sixth mounting holes to the rotating shaft 40, and because the hinge seat 10 made of zinc alloy is harder than the lower shaft sleeve 31 and the upper shaft sleeve 32 made of wear-resistant plastic, the clasping force of the hinge seat 10 made of zinc alloy to the rotating shaft 40 is greater under the same interference, therefore, when the hinge 20 is forced to rotate, the lower shaft sleeve 31 is fixed relative to the third mounting hole, the upper shaft sleeve 32 is fixed relative to the fourth mounting hole and the rotating shaft 40 is fixed relative to the second mounting hole, and the rotating shaft 40 is rotated relative to the reduced-diameter fifth mounting hole and the sixth mounting hole, and because the rotating shaft 40 is in interference fit with the reduced-diameter fifth and sixth mounting holes, the hinge 20 can rotate only under the action of external force, and the hinge 20 is stopped without external force, thereby preventing the risk of hand clamping, door collision and the like. The torsion value of the rotary hinge mechanism for the drum washing machine door obtained by the preferred embodiment is 0.02 N.m-0.81 N.m.
The above description of embodiments only shows embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (7)
1. A rotary hinge mechanism for a drum washing machine door, comprising a hinge support fixed on a front panel of the washing machine, a hinge fixed on the washing machine door, a rotating shaft and a stop block, wherein:
a lower support and an upper support are symmetrically arranged on the hinged support;
the rotating shaft sequentially penetrates through the lower support, the hinge and the upper support to rotatably arrange the hinge between the lower support and the upper support;
the stop block is arranged on the upper part of the hinged support, one end of the stop block is positioned above the hinge, and the hinge is contacted with the stop block when rotating to a set angle;
the rotating shaft is in interference fit with at least one of the lower support and the upper support, the rotating shaft is also in interference fit with the hinge, and the binding force of the lower support and the upper support on the rotating shaft is different from the binding force of the hinge on the rotating shaft;
the rotary hinge mechanism further comprises a shaft sleeve, the shaft sleeve is arranged on the hinge, and the rotating shaft sequentially penetrates through the lower support, the shaft sleeve and the upper support to enable the hinge to be rotatably arranged between the lower support and the upper support.
2. The rotary hinge mechanism for drum washing machine door as claimed in claim 1, wherein the shaft housing is fixed to the hinge, the shaft is in interference fit with at least one of the lower and upper holders, the shaft is also in interference fit with the shaft housing, and a tightening force of the lower and upper holders to the shaft housing is different from a tightening force of the shaft housing to the shaft housing.
3. A rotary hinge mechanism for a drum washing machine door as claimed in claim 1 or 2, wherein the hinge base and the hinge are made of zinc alloy and the sleeve is made of wear resistant plastic.
4. A rotary hinge mechanism for a drum washing machine door as claimed in claim 3, wherein the tightening force of the lower and upper brackets to the rotation shaft is greater than the tightening force of the shaft sleeve to the rotation shaft.
5. The rotary hinge mechanism for a drum washing machine door as claimed in claim 1, wherein the set angle is 150 °.
6. The rotary hinge mechanism for a drum washing machine door as claimed in claim 1, wherein the bottom surface of the hinge support is provided with a reinforcing rib.
7. The rotary hinge mechanism for a drum washing machine door as claimed in claim 1, wherein the hinge has a hook-shaped arc structure, and arc grooves matched with the hook-shaped arc structure are provided in the middle of the lower support and the upper support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458189.2A CN107059357B (en) | 2017-06-16 | 2017-06-16 | Rotary hinge mechanism for drum washing machine door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458189.2A CN107059357B (en) | 2017-06-16 | 2017-06-16 | Rotary hinge mechanism for drum washing machine door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107059357A CN107059357A (en) | 2017-08-18 |
| CN107059357B true CN107059357B (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710458189.2A Active CN107059357B (en) | 2017-06-16 | 2017-06-16 | Rotary hinge mechanism for drum washing machine door |
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| Country | Link |
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| CN (1) | CN107059357B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532231A (en) * | 2018-05-29 | 2018-09-14 | 郑州小蝌蚪文化传播有限公司 | A kind of domestic intelligent washing machine with sewage purification function |
| TR201819730A2 (en) * | 2018-12-18 | 2020-07-21 | Arcelik As | A WASHING MACHINE WITH HINGE GROUP |
| US12065865B2 (en) | 2021-11-29 | 2024-08-20 | Whirlpool Corporation | Hinge assembly for washing or laundry machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764806Y (en) * | 2004-11-17 | 2006-03-15 | 无锡小天鹅股份有限公司 | Observation window joint-hinge of barrel washing machine |
| CN202090192U (en) * | 2011-04-01 | 2011-12-28 | 无锡小天鹅股份有限公司 | Drum-type washing machine door hinge |
| CN204877071U (en) * | 2015-07-10 | 2015-12-16 | 苏州三星电子有限公司 | Switch door hinge structure and washing machine , refrigerator for household electrical appliances |
| CN206873135U (en) * | 2017-06-16 | 2018-01-12 | 富乐压铸(太仓)有限公司 | A kind of rotation hinge mechanism for barrel washing machine door |
-
2017
- 2017-06-16 CN CN201710458189.2A patent/CN107059357B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2764806Y (en) * | 2004-11-17 | 2006-03-15 | 无锡小天鹅股份有限公司 | Observation window joint-hinge of barrel washing machine |
| CN202090192U (en) * | 2011-04-01 | 2011-12-28 | 无锡小天鹅股份有限公司 | Drum-type washing machine door hinge |
| CN204877071U (en) * | 2015-07-10 | 2015-12-16 | 苏州三星电子有限公司 | Switch door hinge structure and washing machine , refrigerator for household electrical appliances |
| CN206873135U (en) * | 2017-06-16 | 2018-01-12 | 富乐压铸(太仓)有限公司 | A kind of rotation hinge mechanism for barrel washing machine door |
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| Publication number | Publication date |
|---|---|
| CN107059357A (en) | 2017-08-18 |
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Address after: 215411 No. 8, Xixin Road, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province Applicant after: Aikedi Fule Precision Technology (Taicang) Co.,Ltd. Address before: 215411 No. 8, Xixin Road, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province Applicant before: FOEHL DIE CASTING (TAICANG) Co.,Ltd. |
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