CN109423866B - Hinge assembly and washing machine including the same - Google Patents
Hinge assembly and washing machine including the same Download PDFInfo
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- CN109423866B CN109423866B CN201710769815.XA CN201710769815A CN109423866B CN 109423866 B CN109423866 B CN 109423866B CN 201710769815 A CN201710769815 A CN 201710769815A CN 109423866 B CN109423866 B CN 109423866B
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- Prior art keywords
- upper cover
- hinge assembly
- shaft
- spring
- base
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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
Abstract
The invention belongs to the field of household appliances, and particularly provides a hinge assembly and a washing machine comprising the same. The invention aims to solve the problem that the existing damper for slowing down the closing speed of the upper cover of the clothes washing does not have the cover opening assisting effect. To this end, the hinge assembly of the present invention includes a base, a driving shaft pivotally provided on the base, a rotating arm of the driving shaft connected with a first end of a spring, and a spring having a second end connected with the base. The washing machine has casing connected to the base, driving shaft fixed to the upper cover, and rotating shaft to drive the first end of the spring to move and stretch the spring when the upper cover is closed. When the upper cover is opened, the elastic force of the spring is released, and the upper cover is driven to rotate towards the opening direction. Therefore, the hinge assembly of the invention not only can provide damping for the closing of the upper cover, but also can provide assistance for the opening of the upper cover.
Description
Technical Field
The invention belongs to the field of household appliances, and particularly provides a hinge assembly and a washing machine comprising the same.
Background
Conventional washing machines have an upper cover, and the opening and closing of the upper cover generally requires manual operation by a user. Many times the upper cover can collide with the cover frame on the box body to generate noise due to too fast closing, and even the user can hurt the hands of the user when not paying attention to the upper cover. Therefore, some washing machines are provided with a damper, which is arranged between the upper cover and the box body and used for slowing down the closing speed of the upper cover and preventing the upper cover from colliding with the cover frame to generate noise or clamping hands of a user when the upper cover is closed.
However, the damper for slowing down the closing speed of the upper cover in the existing clothes washing process does not have the cover opening assisting effect generally, and a user needs to overcome the damping force of the damper when opening the upper cover, so that the clothes washing process is relatively labor-consuming. And the damper has larger volume, is not easy to be hidden and has poor appearance effect.
Accordingly, there is a need in the art for a new washing machine to solve the above problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem that the existing damper for slowing down the closing speed of the upper cover of the laundry has no cover opening assisting effect, the invention provides a hinge assembly, which comprises a base body, a driving member and an elastic member; the drive member is pivotally disposed on the base; the first end of the elastic part is connected with the driving component, and the second end of the elastic part is connected with the base body; the driving member can drive the first end of the elastic piece to move when rotating, and therefore the elastic piece is elastically deformed.
In a preferred embodiment of the hinge assembly, the driving member includes a driving shaft and a rotating arm, the driving shaft is pivotally disposed on the base, and an end of the rotating arm away from the driving shaft is connected to a first end of the elastic member.
In a preferred technical solution of the hinge assembly, the hinge assembly further includes a connector, one end of the connector is drivingly connected to the rotating arm, and the other end of the connector is connected to the first end of the elastic member.
In a preferred embodiment of the hinge assembly, the hinge assembly further includes a first rotating shaft, and the connecting member is drivingly connected to the rotating arm through the first rotating shaft.
In a preferred embodiment of the hinge assembly, the base is provided with a slide way, and the first rotating shaft is slidably disposed in the slide way.
In a preferred embodiment of the hinge assembly, a locking position is disposed at one end of the slide, and the first rotating shaft can be locked to the locking position.
In the above-mentioned preferred technical solution of the hinge assembly, the rotating arm is provided with a first mating position and a second mating position, and when the rotating arm is connected with the first rotating shaft through the first mating position, the first rotating shaft can slide in the slideway; when the rotating arm is connected with the first rotating shaft through the second matching position, the first rotating shaft is clamped to the clamping position.
In a preferred embodiment of the hinge assembly, the hinge assembly further includes a second rotating shaft disposed on the base, and the second end of the elastic member is connected to the base via the second rotating shaft.
In a preferred embodiment of the hinge assembly, the elastic member is a spring.
In addition, the invention also provides a washing machine, which comprises a box body and an upper cover, and further comprises a hinge assembly in any one of the preferable technical schemes of the hinge assembly; and the base body is fixedly connected with or integrally manufactured with the box body, and the driving member is fixed to the upper cover so that the upper cover can be opened and closed by the elastic member.
It will be appreciated by those skilled in the art that in the preferred embodiment of the present invention, the driving member is pivotally disposed on the base, and the driving member and the base are connected together by the elastic member, so that when the driving member rotates, the first end of the elastic member is driven to move, and the elastic member is elastically deformed. Further, through setting up the hinge subassembly on washing machine to with base member and box fixed connection, fixed drive component and the pivot of upper cover, can drive the drive component rotation when making the upper cover closed, and then make the elastic component take place elastic deformation, store elastic potential energy. When the upper cover is opened, the elastic potential energy of the elastic piece is released, and assistance is provided for opening the upper cover. Therefore, the hinge assembly can provide damping for closing the upper cover, and prevent the upper cover from colliding with the box body at an excessively high speed to generate noise or clamp hands of a user when the upper cover is closed; and can also provide the helping hand of opening for the upper cover when the upper cover is opened, optimize user's use and experience.
Specifically, the base body is provided with a slide way, and the first rotating shaft is slidably arranged in the slide way. The driving member comprises a driving shaft and a rotating arm which are fixedly connected or integrally manufactured, and the rotating arm is in driving connection with the first rotating shaft. The elastic piece is connected with the first rotating shaft through a connecting piece. The drive shaft can drive the rotating arm to rotate when rotating, and the rotating arm can drive the first rotating shaft to slide in the slideway, so that the elastic piece is stretched and deformed.
Further, one end of the slide is provided with a clamping position to which the first rotating shaft can be clamped, and therefore the elastic member is kept in a stretched state, so that the elastic member cannot apply acting force to the driving member. Therefore, the hinge assembly of the invention can keep the upper cover at the closing position after the upper cover of the washing machine is closed, thereby avoiding the arrangement of an upper cover lock on the washing machine and saving the production cost of the washing machine.
Drawings
Preferred embodiments of the invention are described below, taking a washing machine as an example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a hinge assembly of the present invention;
FIG. 2 is a schematic view of the hinge assembly of the present invention in a normal state;
FIG. 3 is a schematic view of the hinge assembly of the present invention when locked;
FIG. 4 is a schematic structural view of a substrate of the present invention;
FIG. 5 is a schematic view of the drive member of the present invention;
FIG. 6 is a schematic view of the construction of the connector of the present invention;
FIG. 7a is a schematic view of the driving member of the present invention in normal engagement with the first shaft;
FIG. 7b is a side view of the drive member and first shaft of FIG. 7 a;
FIG. 8a is a schematic view of the driving member of the present invention mated with the first shaft when locked;
fig. 8b is a side view of the drive member and first shaft of fig. 8 a.
List of reference numerals:
1. a substrate; 11. a first mounting location; 12. a slideway; 121. setting a card; 13. a second mounting location; 14. mounting holes; 2. a drive member; 21. a drive shaft; 211. a square hole; 212. a shoulder is formed; 22. a rotating arm; 221. a first mating location; 222. a second mating location; 3. a first rotating shaft; 4. a connecting member; 41. a first connection hole; 42. a second connection hole; 5. a spring; 6. a second rotating shaft.
Detailed Description
It should be understood by those skilled in the art that the embodiments of the present invention are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the embodiment of the present invention is described in detail with reference to the drawings by taking a washing machine as an example, the hinge assembly of the present invention may be applied to other apparatuses having a cover, such as a refrigerator, a wardrobe, a cabinet, etc. Those skilled in the art can make modifications as needed to suit a particular application, and such modified embodiments will still fall within the scope of the present invention.
It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 3, the hinge assembly of the present invention mainly includes a base 1, a driving member 2, and an elastic member. Wherein, drive member 2 and base member 1 pivot is connected, and the first end of elastic component is connected with drive member 2, and the second end of elastic component is connected with base member 1. When the driving member 2 rotates, the first end of the elastic element can be driven to move, and then the elastic element is elastically deformed.
In the preferred embodiment of the present invention, the elastic member is a spring 5, or one skilled in the art may also use other elastic members instead of the spring 5, for example, a torsion spring, a rubber band, a spring plate, a spiral spring, etc., as required.
With continued reference to fig. 1-3, the hinge assembly of the present invention further includes a first shaft 3, a connector 4, and a second shaft 6. Wherein the first rotation shaft 3 is slidably arranged on the base body 1 and is in driving connection with the driving member 2. A first end of the spring 5 is connected to the first shaft 3 by means of a connecting element 4, and a second end of the spring 5 is connected to the base body 1 by means of a second shaft 6. When the driving member 2 rotates, the first rotating shaft 3 can be driven to move, and the moving first rotating shaft 3 can drive the first end of the spring 5 to move by the connecting piece 4, so that the spring 5 is stretched.
It will be understood by those skilled in the art that the first shaft 3, the connecting member 4 and the second shaft 6 may be omitted. A first end of the spring 5 is directly articulated to the drive member 2 and a second end of the spring 5 is directly articulated to the upper end of the base body 1 in fig. 2.
As shown in fig. 1 to 4, the base 1 is provided with a first mounting location 11, a slideway 12, a second mounting location 13 and a mounting hole 14. Wherein the first mounting location 11 is for mounting the drive member 2. As shown in fig. 4, the first mounting location 11 has an opening (not shown) from which the drive member 2 enters the first mounting location 11 and is clamped into an arcuate position (not shown). The slideway 12 is used for mounting the first rotating shaft 3, and the first rotating shaft can freely slide in the slideway 12 along the length direction of the slideway 12. Further, in fig. 4, a clamping position 121 is provided at the lower end of the slide 12, and when the first rotating shaft 3 slides to the clamping position 121, the first rotating shaft 3 can be clamped to the clamping position 121. The second mounting position 13 is used for mounting the second rotating shaft 6.
It will be understood by those skilled in the art that the first mounting location 11 and the second mounting location 13 are not limited to the one shown in fig. 4. In particular, the first mounting location 11 may be provided in any other feasible form, provided that the drive member 2 is pivotally mounted to the base body 1, for example, an opening of the first mounting location 11 is provided at the lower end of the base body 1 in fig. 4. The second mounting position 13 may be configured in any other feasible form, provided that the second rotating shaft 6 can be mounted on the base body 1, for example, the second mounting position 13 is configured as a circular hole, and the circular hole is in interference fit with the second rotating shaft 6.
With continued reference to fig. 4, the mounting holes 14 enable screws to be passed through and the base 1 to be fixedly mounted to the target object by tightening the screws to the target object. Wherein, the target object can be a box body of the washing machine or a cover frame on the box body.
As shown in fig. 5, the driving member 2 mainly includes a driving shaft 21 and a rotating arm 22 fixedly connected or integrally formed with each other. Wherein the drive member 2 is pivotally connected to the base body 1 by means of a drive shaft 21. The driving shaft 21 is provided with a square hole 211 and a shoulder 212. The square hole 211 is used to connect a driving means, which is a rotating shaft of an upper cover of the washing machine in a preferred embodiment of the present invention. The rotating shaft is coaxially fixed with the driving shaft 21 through the square hole 211, so that the driving shaft 21 can be driven to rotate when the upper cover is opened or closed. In addition, the square hole 211 can be replaced by other types of matching holes, such as a rectangular hole, a quincunx hole, an oval hole, etc., as required by those skilled in the art.
With continued reference to fig. 5, the rotary arm 22 is arranged in the circumferential direction of the drive shaft 21, and the drive shaft 21 is drivingly connected to the first rotary shaft 3 by means of the rotary arm 22. Specifically, when the driving shaft 21 rotates, the rotating arm 22 can drive the first rotating shaft 3 to slide along the length direction of the slideway 12. Further, the rotating arm 22 includes a first mating location 221 and a second mating location 222. The first shaft 3 is normally abutted against the first engagement position 221. When the first rotating shaft 3 slides to the locking position 121, the first rotating shaft 3 abuts against the second matching position 222, and thus the first rotating shaft 3 is locked to the locking position 121.
As shown in fig. 4 and 5, in the assembled state of the hinge assembly, the driving shaft 21 is caught at the first mounting position 11 by the shoulder 212, preventing the driving shaft 21 from moving in the axial direction.
As shown in fig. 6, the connector 4 of the present invention is provided with a first connection hole 41 and a second connection hole 42. The connecting member 4 is connected to the first rotating shaft 3 through a first connecting hole 41, and specifically, after the first rotating shaft 3 passes through the first connecting hole 41, both ends are slidably disposed in the slide ways 12 on both sides of the base body 1, respectively. In order to prevent the first rotary shaft 3 from slipping out of the slip 12 in the axial direction, the first rotary shaft 3 may be interference-fitted with the first connection hole 41. Or other technical means may be adopted by those skilled in the art to prevent the first rotating shaft 3 from sliding out of the sliding hole 12 along the axial direction thereof, if necessary. For example, external threads are provided on both ends of the first shaft 3, and both ends of the first shaft 3 are protruded out of the base 1, and the axial movement of the first shaft 3 is restricted by nuts engaged with the external threads on both ends of the first shaft 3.
With continued reference to fig. 6, the connecting member 4 is movably connected to the first end of the spring 5 through a second connecting hole 42. In the preferred embodiment of the invention, the spring 5 is a spring with hooks at both ends, one of the hooks being connected to the second connection hole 42 and the other hook being connected to the second rotation shaft 6.
In addition, the washing machine of the present invention includes a cabinet, an upper cover, and the hinge assembly described above. The upper cover is pivotally connected with the box body, specifically, a rotating shaft is arranged between the upper cover and the box body, the upper cover is pivotally connected with the box body through the rotating shaft, and the rotating shaft is fixedly connected with the upper cover. Further, the base body 1 is fixedly connected with a cover frame on the box body, and a rotating shaft of the upper cover is coaxially fixed with the driving shaft 21. The hinge assembly can provide a damping force for slowing down the closing speed of the upper cover when the upper cover is closed. The hinge assembly can provide an opening assist force for assisting a user in opening the upper cover when the upper cover is opened.
The closing process of the washing machine according to the present invention will be described in detail with reference to fig. 2, 7a and 7 b.
Fig. 2, 7a and 7b are views illustrating states of an inner structure of a hinge assembly when an upper cover of the washing machine is in an open state.
When the upper cover of the washing machine is closed, the user manually operates the upper cover of the washing machine to rotate the upper cover of the washing machine in a direction to be closed. The rotating upper cover drives the driving shaft 21 to rotate clockwise in fig. 2 through the rotating shaft. The drive shaft 21 drives the first rotary shaft 3 to move downward in fig. 2 along the length direction of the slide 3 by the rotary arm 22. The moving first rotating shaft 3 drives the first end of the spring 5 to move in the same direction through the connecting piece 4. The spring 5 is stretched to be elastically deformed as the first end of the spring 5 moves. While the first rotating shaft 3 is slid into the click position 121, the upper cover is completely closed.
As shown in fig. 7a and 7b, the rotating arm 22 is always coupled to the first rotating shaft 3 through the first coupling position 221 in the process that the upper cover of the washing machine is closed.
The opening of the cover of the washing machine according to the present invention will be described in detail with reference to fig. 3, 8a and 8 b.
Fig. 3, 8a and 8b are views illustrating states of an inner structure of a hinge assembly when an upper cover of the washing machine is in a closed state.
As shown in fig. 8a and 8b, when the upper cover is in the closed state, the rotating arm 22 is in fit connection with the first rotating shaft 3 through the second fitting position 222, and thus the first rotating shaft 3 is limited in the locking position 121 shown in fig. 3. At this time, the urging force of the spring 5 acts entirely on the base 1 without applying an urging force to the drive shaft 21. As shown in fig. 8a, when the second engagement portion 222 is engaged with the first rotation shaft 3, the driving shaft 21 is also restricted to the current position, and does not rotate when no external force is applied, so that the upper cover is locked in the closed position.
When the upper cover of the washing machine is opened, the user manually operates the upper cover of the washing machine to rotate the upper cover of the washing machine in a direction of being opened. With the upper cover opened, the drive shaft 21 rotates in the counterclockwise direction in fig. 3. When the first rotation shaft 3 is disengaged from the second engagement position 222 and abuts against the first engagement position 221, the elastic force of the spring 5 acts on the rotation arm 22 of the drive shaft 21 again. The spring 5 now provides assistance to the opening of the lid. Further, the skilled person can set the elastic force of the spring 5 to be large enough to enable the upper cover to be automatically opened under the elastic force of the spring 5 as required. It will be appreciated by those skilled in the art that the cover can be maintained in an open condition after being opened by the action of the spring 5, preventing the cover from being accidentally closed and pinching the user's hands.
In conclusion, the hinge assembly of the invention can provide damping for closing the upper cover of the washing machine, and prevent the upper cover from colliding with the box body at an excessively high speed to generate noise or clamp hands of a user when the upper cover is closed; and can also provide the helping hand of opening for the upper cover when the upper cover is opened, optimize user's use and experience. Further, since the hinge assembly of the present invention has a flat structure as a whole and the driving shaft 21 can allow the insertion of the rotation shaft of the upper cover of the washing machine, the cover frame of the washing machine of the present invention can be configured to hide the hinge assembly, thereby optimizing the external design of the washing machine.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (7)
1. A hinge assembly, comprising a base, a drive member, and a spring;
the driving component is pivotally arranged on the base body and comprises a driving shaft and a rotating arm, wherein the driving shaft and the rotating arm are fixedly connected or integrally formed with each other, the driving shaft is pivotally arranged on the base body, and one end of the rotating arm, which is far away from the driving shaft, is connected with a first end of the elastic piece;
the first end of the elastic part is connected with the driving component, and the second end of the elastic part is connected with the base body;
when the driving component rotates, the first end of the elastic piece can be driven to move, and therefore the elastic piece is elastically deformed;
the hinge assembly further includes a connector and a first rotating shaft,
one end of the connecting piece is in driving connection with the rotating arm, and the other end of the connecting piece is connected with the first end of the elastic piece;
the connecting piece is in driving connection with the rotating arm through the first rotating shaft;
the rotating arm comprises a first matching position and a second matching position, and the first rotating shaft can abut against the first matching position or the second matching position.
2. The hinge assembly of claim 1, wherein the base is provided with a slide channel, and wherein the first pivot shaft is slidably disposed within the slide channel.
3. The hinge assembly of claim 2, wherein one end of the slide is provided with a detent position to which the first pivot shaft can be snapped.
4. The hinge assembly of claim 3, wherein the first pivot shaft is slidable within the slide when the rotating arm is coupled to the first pivot shaft via the first mating location;
when the rotating arm is connected with the first rotating shaft through the second matching position, the first rotating shaft is clamped to the clamping position.
5. The hinge assembly of claim 4, further comprising a second pivot shaft disposed on the base, wherein the second end of the spring is coupled to the base via the second pivot shaft.
6. The hinge assembly of any one of claims 1 to 5, wherein the resilient member is a spring.
7. A washing machine comprising a cabinet and an upper cover, characterized in that it further comprises a hinge assembly as claimed in any one of claims 1 to 6;
and the base body is fixedly connected with or integrally manufactured with the box body, and the driving member is fixed to the upper cover so that the upper cover can be opened and closed by the elastic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710769815.XA CN109423866B (en) | 2017-08-31 | 2017-08-31 | Hinge assembly and washing machine including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710769815.XA CN109423866B (en) | 2017-08-31 | 2017-08-31 | Hinge assembly and washing machine including the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109423866A CN109423866A (en) | 2019-03-05 |
| CN109423866B true CN109423866B (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710769815.XA Active CN109423866B (en) | 2017-08-31 | 2017-08-31 | Hinge assembly and washing machine including the same |
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| CN (1) | CN109423866B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100989206B1 (en) * | 2008-10-08 | 2010-10-20 | 풍원공업 주식회사 | Door hinge for top load type |
| IT1395507B1 (en) * | 2009-07-24 | 2012-09-28 | Brera | HINGE FOR THE DOOR OF APPLIANCE APPLIANCES, PARTICULARLY FOR THE HINGING OF THE DISHWASHER DOOR. |
| KR101255516B1 (en) * | 2011-11-16 | 2013-04-23 | 풍원공업 주식회사 | Door hinge |
| CN102644186B (en) * | 2012-04-28 | 2013-12-11 | 海信容声(广东)冰箱有限公司 | Automatic opening method and automatic opening device for drum lid of washing machine and washing machine |
| CN203741598U (en) * | 2013-12-26 | 2014-07-30 | 海尔集团公司 | Washing machine door locking structure and washing machine |
| CN205775404U (en) * | 2016-06-12 | 2016-12-07 | 苏州三星电子有限公司 | Hinge arrangement and washing machine |
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2017
- 2017-08-31 CN CN201710769815.XA patent/CN109423866B/en active Active
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| CN109423866A (en) | 2019-03-05 |
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Effective date of registration: 20210513 Address after: No.1 Gangcheng South Road, Jiangbei District, Chongqing, 400026 Applicant after: Chongqing Haier washing machine Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
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