CN108070991B - Door opener for household electrical appliance - Google Patents
Door opener for household electrical appliance Download PDFInfo
- Publication number
- CN108070991B CN108070991B CN201611010575.7A CN201611010575A CN108070991B CN 108070991 B CN108070991 B CN 108070991B CN 201611010575 A CN201611010575 A CN 201611010575A CN 108070991 B CN108070991 B CN 108070991B
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- Prior art keywords
- push rod
- door
- elastic element
- locking device
- force
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 15
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims 1
- 238000005406 washing Methods 0.000 abstract description 4
- 230000003137 locomotive effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a door opener of a household appliance, which can be used for a refrigerator, a roller washing machine and the like. The door opener is provided with a push rod capable of axially reciprocating, a transmission device for driving the push rod to move, a motor connected with the transmission device, and an elastic element for applying elastic force to the push rod in the door direction; the locking device controls the push rod to be in a locking state or a releasing state; when the locomotive door is closed, the locking device locks the push rod, and the compression force applied to the elastic element by the push rod causes the elastic element to be compressed; when the machine door needs to be opened, the locking device releases the push rod, the push rod is subjected to the reset force of the elastic element, the motor drives the transmission device to provide pushing force to the push rod, and the push rod moves towards the direction of the machine door under the pushing force of the motor and the reset force of the elastic element.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to a door opening device for a home appliance, and more particularly, to a refrigerator, a drum washing machine, and the like.
[ background of the invention ]
The doors of the traditional refrigerator and the drum washing machine are basically opened manually, but the doors have the defects of heavy weight or need to be closed tightly to open the door by using extra force, and the doors can be opened only by putting down articles when holding the articles by two hands.
Some existing household appliances, such as refrigerators, have an automatic door opening function, such as pushing a door open by providing a push rod driven by a motor. But owing to receive the power restriction of motor, the ejecting power of push rod receives the restriction, because the volume is great in the high-end refrigerator of part, required door opening force is great, and current door opening device's thrust is difficult to satisfy the demand.
Aiming at the problem that the door opening force provided by the door opening device of the household appliance in the prior art is not enough, an effective solution is not provided at present.
[ summary of the invention ]
The invention provides a door opening device of a household appliance, which aims to solve the problem that the door opening force provided by the door opening device of the household appliance is insufficient.
In order to achieve the object, the present invention provides a door opening device which can be used for a refrigerator, a drum washing machine or other household appliances having a door.
The door opening device is provided with a push rod capable of axially reciprocating, a transmission device for driving the push rod to move, and a motor connected with the transmission device, wherein when the push rod moves towards the door, a first end part of the push rod pushes the door to execute door opening action, and the door opening device also comprises an elastic element for applying elastic force towards the door direction to the push rod; the locking device controls the push rod to be in a locking state or a releasing state; wherein when the door is closed, the locking device locks the push rod, and the compression force applied by the push rod to the elastic element causes the elastic element to compress; when the machine door needs to be opened, the locking device releases the push rod, the push rod is subjected to the reset force of the elastic element, meanwhile, the motor drives the transmission device to provide thrust to the push rod, and the push rod moves towards the direction of the machine door under the pushing of the motor and the reset force of the elastic element. This scheme is through setting up the elastic element of an auxiliary thrust, like the spring, when needs are opened the door, locking device release elastic element, and elastic element promotes the quick-witted door with the motor together and opens, and this scheme is less to the change of current system of opening the door, uses with the motor combination, can compensate the poor shortcoming of motor startability, and simple structure, and the reaction is fast.
Preferably, the control device controls the motor and the locking device to work; when the machine door is closed, the control device controls the locking device not to be electrified so as to lock the push rod; when the machine door needs to be opened, the control device controls the locking device to be electrified so as to release the push rod. The locking device is used for controlling the locking and the releasing of the push rod, and after the push rod is released, the maximum thrust can be provided immediately by combining the thrust of the motor. Meanwhile, the locking device is set to be not electrified when the machine door is closed, so that the electric energy loss can be reduced.
Preferably, when the machine door is opened to be closed, the push rod moves away from the machine door and applies a compression force to the elastic element to compress the elastic element; when the push rod moves to a position matched and locked with the locking device, the control device controls the locking device not to be electrified, and the locking device locks the push rod. The elastic element can be compressed and stored energy when the push rod retracts when the door is closed, and after the push rod retracts to the locking position, the locking device is electrified to lock the push rod.
Preferably, the locking device locks a second end of the push rod, the second end being axially opposite to the first end. The locking device can be set to any position of the locking push rod, and the second end of the locking push rod has little change on the existing door opening structure, so that the influence is minimal.
Preferably, the locking device is provided with an electromagnetic switch, and the electromagnetic switch comprises a silicon steel sheet with an electromagnetic induction function and a magnetic buckle; when the machine door is closed, the electromagnetic switch is not electrified, the magnetic buckle adsorbs the silicon steel sheet under the action of self magnetic force, and the second end of the push rod is clamped in the clamping hole of the magnetic buckle; when the machine door needs to be opened, the electromagnetic switch is electrified, the silicon steel sheet generates a magnetic force opposite to the magnetic buckle and bounces the magnetic buckle, and the second end of the push rod is released from the clamping hole of the magnetic buckle. The electromagnetic switch controls the locking of the push rod, and the maximum pushing force can be provided immediately after the push rod is released. Meanwhile, the electromagnetic switch is set to be not electrified when the machine door is closed, so that the electric energy loss can be reduced.
Preferably, when the machine door is opened to be closed, the push rod moves away from the machine door and applies a compression force to the elastic element to compress the elastic element; when the second end of the push rod moves to the position matched with the magnetic buckle, the electromagnetic switch is switched from the electrified state to the non-electrified state, the silicon steel sheet does not generate magnetic force, the magnetic buckle adsorbs the silicon steel sheet under the action of the magnetic force of the magnetic buckle, and the second end of the push rod is clamped in the clamping hole of the magnetic buckle.
Preferably, the second end of the push rod has a slot matched with the clamping hole.
Preferably, the door opening device comprises a box body, and the push rod, the transmission device, the motor and the locking device are arranged in the box body.
Preferably, the transmission device includes a gear, and the push rod is provided with a rack engaged with the gear in the axial direction.
Preferably, the rack is injection molded on the push rod.
Preferably, the elastic member is disposed between the rack and a sidewall of the case.
Preferably, the elastic element is arranged between the rack and a side wall of the inner chamber of the box body; the second end of the push rod extends from an opening in a sidewall of the chamber and cooperates with the locking device disposed outside the chamber.
Preferably, the elastic element is a spring sleeved on the push rod.
The invention solves the problem of insufficient door opening force provided by the door opening device of the household appliance in the prior art, is combined with the motor for use on the basis of not changing the structure of the existing door opening device, increases the door opening thrust, and has the advantages of simple structure, space saving and low energy consumption.
[ description of the drawings ]
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic structural view of a door opener in a closed door state;
FIG. 2 is a schematic view of the door opener in a door open state;
fig. 3 is a partial structural schematic diagram of the electromagnetic switch.
[ detailed description ] embodiments
The invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The embodiment provides a door opening device applied to opening and closing a door of a refrigerator. Fig. 1 is a schematic structural view of a door opener in a closed door state, and fig. 2 is a schematic structural view of the door opener in the open door state, as shown in fig. 1 and 2:
the door opener 1 is provided with a push rod 2 capable of axially reciprocating, and a transmission device 3 for driving the push rod 2 to move, wherein the transmission device 3 comprises gears (31, 32), the push rod 2 is provided with a rack 23 (which can be injection molded on the push rod 2) matched with the gear 31 (shown by a small gear and a shaded gear) in the axial direction, as shown in fig. 2, the gear 31 and the rack 23 are both positioned on the back of the gear 32 (shown by a large gear), and the gear 31 drives the rack 23 to push the push rod 2 to move. The transmission 3 is also connected with an electric motor 4 (not shown in the figure), and the electric motor 4 drives the transmission 3 and the gears to work. When the push rod 2 moves toward the door 10, the first end 21 of the push rod pushes the door 10 to open the door. The door opener 1 further comprises an elastic element 5 for applying an elastic force to the push rod 2 in a direction towards the door 10, wherein the elastic element 5 can be a spring 5, is sleeved on the push rod 2, and comprises a locking device 6 for controlling the push rod 2 to be in a locking state or a releasing state.
Wherein, when the door 10 is closed, the locking device 6 locks the push rod 2, and the compression force applied by the push rod 2 to the elastic element causes the elastic element 5 to compress; when the door 10 needs to be opened, the locking device 6 releases the push rod 2, the push rod 2 is subjected to the reset force of the spring 5, the motor 4 drives the transmission device 3 to provide pushing force to the push rod 2, and the push rod 2 moves towards the door 10 under the combined pushing force of the motor 4 and the reset force of the spring 5.
The power of opening the door in this embodiment is the sum of the thrust that motor 4 produced and the thrust of spring 5, and when needing to open the door, locking device 6 release spring 5, and spring 5 and motor 4 act together and promote quick-witted door 10 and open, and this scheme is less to the change of current door opening system, uses with the motor combination, can compensate the poor shortcoming of motor startability, and simple structure, and the reaction is fast.
The door opener 1 also comprises a control device 7 for controlling the work of the motor 4 and the locking device 6; when the machine door 10 is closed, the control device 7 controls the locking device 6 not to be electrified so as to lock the push rod 2; when the door 10 is to be opened, the control device 7 controls the locking device 6 to be energized to release the push rod 2. The locking device 6 is used for controlling the locking and releasing of the push rod 2, and after the push rod 2 is released, the maximum thrust can be provided immediately by combining the thrust of the motor 4. Meanwhile, the locking device 6 is set to be not required to be electrified when the machine door 10 is closed, so that the electric energy loss can be reduced.
When the machine door 10 needs to be opened and closed, the push rod 2 moves away from the machine door 10 and applies a compression force to the spring 5 to compress the spring 5; when the push rod 2 moves to the position matched and locked with the locking device 6, the control device 7 controls the locking device 6 not to be electrified, and the locking device 6 locks the push rod 2. The spring 5 can be compressed and stored when the push rod 2 retracts when the door is closed, and after the push rod 2 retracts to the locking position, the locking device 6 is electrified to lock the push rod 2.
In particular, the above-mentioned locking device 6 locks the second end 22 of the push rod 2, the second end 22 being axially opposite to the first end 21. The locking device 6 can be arranged to lock any position of the push rod with minimal modification of the existing door opening structure by locking the second end 22 of the push rod 2.
In a preferred embodiment, fig. 3 is a partial structural schematic diagram of an electromagnetic switch, and as shown in fig. 3, the locking device 6 adopts an electromagnetic switch 8, and the electromagnetic switch 8 includes a silicon steel sheet 9 with an electromagnetic induction function and a magnetic buckle 12.
When the door 10 is closed, as shown in fig. 1, the electromagnetic switch 8 is not energized, the magnetic latch 12 attracts the silicon steel sheet 9 under the action of its own magnetic force, and the second end 22 of the push rod 2 is latched in the latching hole 120 of the magnetic latch 12.
When the door 10 needs to be opened, as shown in fig. 2, the electromagnetic switch 8 is energized, the silicon steel sheet 9 generates a magnetic force opposite to the magnetic latch 12 and springs the magnetic latch 12 open, and the second end 22 of the push rod 2 is released from the latching hole 120 of the magnetic latch 12. Wherein the second end 22 of the push rod 2 has a slot 220 matching with the clipping hole 120.
The electromagnetic switch 8 controls the locking of the push rod 2, and the maximum pushing force can be provided immediately after the push rod 2 is released. Meanwhile, the electromagnetic switch 8 is set to be not electrified when the machine door 10 is closed, so that the electric energy loss can be reduced.
When the machine door 10 is opened to be closed, the push rod 2 moves away from the machine door 10 and applies compression force to the spring 5 to compress the spring 5; when the second end 22 of the push rod 2 moves to the position matched with the magnetic buckle 12, the electromagnetic switch 8 is switched from the power-on state to the power-off state, the silicon steel sheet 9 does not generate magnetic force, the magnetic buckle 12 adsorbs the silicon steel sheet 9 under the action of the magnetic force, and the second end 22 of the push rod 2 is clamped in the clamping hole 120 of the magnetic buckle 12 at the moment.
In another preferred embodiment, as shown in fig. 1 and 2, a case 11 may be provided, wherein the push rod 2, the transmission 3, the motor 4 and the locking device 6 are disposed in the case, and the control device 7 may also be disposed in the case 11. An elastic member, i.e., a spring 5, is disposed between the rack 23 and the sidewall 111 of the case 11.
As shown in fig. 2, the spring 5 is disposed between the rack 23 and the sidewall 111 of the internal chamber 110 of the case 11; the second end 22 of the push rod 2 extends from an opening 112 (not shown in the figures) in the side wall 111 of the chamber 110, cooperating with the locking means 6 arranged outside the chamber 110.
The invention solves the problem of insufficient door opening force provided by the door opening device of the household appliance in the prior art, is combined with the motor for use on the basis of not changing the structure of the existing door opening device, increases the door opening thrust, and has the advantages of simple structure, space saving and low energy consumption.
The various embodiments described above and shown in the drawings are illustrative of the invention and are not exhaustive of the invention. Any modification of the present invention by a person of ordinary skill in the related art within the scope of the basic technical idea of the present invention is within the scope of the present invention.
Claims (13)
1. A door opener (1) of household appliance, but has axial reciprocating motion's push rod (2), drive transmission (3) that push rod (2) removed, and with motor (4) that transmission (3) are connected, when push rod (2) moved toward quick-witted door (10) direction, first end (21) of push rod (2) promoted quick-witted door (10) and carries out the action of opening the door, its characterized in that includes:
an elastic element (5) for applying an elastic force to the push rod (2) in the direction of the door (10);
a locking device (6) for controlling the push rod (2) to be in a locking state or a releasing state; wherein,
when the machine door (10) is closed, the locking device (6) locks the push rod (2), and the compression force applied to the elastic element (5) by the push rod (2) causes the elastic element (5) to compress;
when the machine door (10) needs to be opened, the locking device (6) releases the push rod (2), the push rod (2) receives the reset force of the elastic element (5), meanwhile, the motor (4) drives the transmission device (3) to provide thrust to the push rod (2), and the push rod (2) moves towards the direction of the machine door (10) under the combined pushing of the thrust of the motor (4) and the reset force of the elastic element (5).
2. The door opener of claim 1, comprising:
the control device (7) controls the motor (4) and the locking device (6) to work;
when the machine door (10) is closed, the control device (7) controls the locking device (6) not to be electrified so as to lock the push rod (2);
when the machine door (10) needs to be opened, the control device (7) controls the locking device (6) to be electrified so as to release the push rod (2).
3. The door opener of claim 2, wherein:
when the machine door (10) is opened to be closed, the push rod (2) moves away from the machine door (10) and applies compression force to the elastic element (5) to compress the elastic element (5);
when the push rod (2) moves to a position matched and locked with the locking device (6), the control device (7) controls the locking device (6) not to be electrified, and the locking device (6) locks the push rod (2).
4. The door opening device of claim 2 or 3, wherein:
the locking device (6) locks a second end (22) of the push rod (2), the second end (22) being axially opposite to the first end (21).
5. The door opener of claim 4, wherein:
the locking device (6) is provided with an electromagnetic switch (8), and the electromagnetic switch (8) comprises a silicon steel sheet (9) with an electromagnetic induction function and a magnetic buckle (12); wherein,
when the machine door (10) is closed, the electromagnetic switch (8) is not electrified, the magnetic buckle (12) is attracted to the silicon steel sheet (9) under the action of self magnetic force, and the second end (22) of the push rod (2) is clamped in the clamping hole (120) of the magnetic buckle (12);
when the machine door (10) needs to be opened, the electromagnetic switch (8) is electrified, the silicon steel sheet (9) generates a magnetic force opposite to the magnetic buckle (12) and bounces the magnetic buckle (12), and the second end (22) of the push rod (2) is released from the clamping hole (120) of the magnetic buckle (12).
6. The door opener of claim 5, wherein:
when the machine door (10) is opened to be closed, the push rod (2) moves away from the machine door (10) and applies compression force to the elastic element (5) to compress the elastic element (5);
when the second end (22) of the push rod (2) moves to a position matched with the magnetic buckle (12), the electromagnetic switch (8) is switched to a non-electrified state from an electrified state, the silicon steel sheet (9) does not generate magnetic force, the magnetic buckle (12) adsorbs the silicon steel sheet (9) under the action of self magnetic force, and at the moment, the second end (22) of the push rod (2) is clamped in the clamping hole (120) of the magnetic buckle (12).
7. The door opener of claim 5, wherein:
the second end (22) of the push rod (2) is provided with a slot (220) matched with the clamping hole (120).
8. The door opening device of claim 2, comprising:
a box body (11), the push rod (2), the transmission device (3), the motor (4) and the locking device (6) are arranged in the box body (11).
9. The door opening device of claim 8, wherein:
the transmission device (3) comprises a gear (31), and the push rod (2) is provided with a rack (23) meshed with the gear (31) in the axial direction.
10. The door opening device of claim 9, wherein:
the rack (23) is formed on the push rod (2) in an injection molding mode.
11. The door opening device of claim 9, wherein:
the elastic element (5) is arranged between the rack (23) and the side wall of the box body (11).
12. The door opening device of claim 11, wherein:
the elastic element (5) is arranged between the rack (23) and a side wall (111) of a chamber (110) inside the box (11);
the second end (22) of the push rod (2) extends from an opening (112) of a side wall (111) of the chamber (110) cooperating with the locking device (6) arranged outside the chamber (110).
13. The door opener of claim 1, wherein:
the elastic element (5) is a spring sleeved on the push rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010575.7A CN108070991B (en) | 2016-11-17 | 2016-11-17 | Door opener for household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010575.7A CN108070991B (en) | 2016-11-17 | 2016-11-17 | Door opener for household electrical appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108070991A CN108070991A (en) | 2018-05-25 |
| CN108070991B true CN108070991B (en) | 2021-08-03 |
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ID=62163349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611010575.7A Active CN108070991B (en) | 2016-11-17 | 2016-11-17 | Door opener for household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108070991B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748264A (en) * | 2018-07-24 | 2020-02-04 | 博西华电器（江苏）有限公司 | Household electrical appliance |
| CN112971598A (en) * | 2019-12-13 | 2021-06-18 | 博西华电器（江苏）有限公司 | Brush head of dust collector and dust collector |
| CN111449603B (en) * | 2020-03-24 | 2021-05-07 | 佛山市顺德区美的洗涤电器制造有限公司 | Door opening driving unit and device, door assembly, dish washing machine and kitchen integrated system |
| CN114857832B (en) * | 2022-05-18 | 2024-09-06 | 珠海格力电器股份有限公司 | Refrigerator and control method thereof |
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| CN201198687Y (en) * | 2008-04-15 | 2009-02-25 | 张铁军 | Anti-theft car door lock automatic control device |
| CN103206128A (en) * | 2012-01-17 | 2013-07-17 | 松下电气机器（北京）有限公司 | Spring assistance device and automatic sliding door |
| CN106066113A (en) * | 2015-04-22 | 2016-11-02 | Bsh家用电器有限公司 | There is Domestic refrigerator and the method for the overload protection arrangement of auxiliary opening means |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101639435B1 (en) * | 2009-10-13 | 2016-07-13 | 엘지전자 주식회사 | Refrigerator |
| JP6227341B2 (en) * | 2013-09-13 | 2017-11-08 | 日立アプライアンス株式会社 | Opening device and equipment provided with the same |
| CN204282986U (en) * | 2014-11-20 | 2015-04-22 | 广州市暨嘉信息科技有限公司 | A kind of electric control lockset |
| DE102015207314A1 (en) * | 2015-04-22 | 2016-10-27 | BSH Hausgeräte GmbH | Domestic refrigerator with an electro-mechanical opening auxiliary device |
| CN205637914U (en) * | 2016-04-13 | 2016-10-12 | 杜如祥 | Simple and easy electromagnetic lock |
| CN106052283B (en) * | 2016-08-12 | 2018-05-18 | 佳木斯大学 | A kind of support holder structure of medical antistaling cabinet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201198687Y (en) * | 2008-04-15 | 2009-02-25 | 张铁军 | Anti-theft car door lock automatic control device |
| CN103206128A (en) * | 2012-01-17 | 2013-07-17 | 松下电气机器（北京）有限公司 | Spring assistance device and automatic sliding door |
| CN106066113A (en) * | 2015-04-22 | 2016-11-02 | Bsh家用电器有限公司 | There is Domestic refrigerator and the method for the overload protection arrangement of auxiliary opening means |
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| Publication number | Publication date |
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| CN108070991A (en) | 2018-05-25 |
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