CN205002509U - Automatic opening device of refrigerator drawer and refrigerator - Google Patents
Automatic opening device of refrigerator drawer and refrigerator Download PDFInfo
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- CN205002509U CN205002509U CN201520748489.0U CN201520748489U CN205002509U CN 205002509 U CN205002509 U CN 205002509U CN 201520748489 U CN201520748489 U CN 201520748489U CN 205002509 U CN205002509 U CN 205002509U
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- drawer
- refrigerator
- gear
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- driven wheel
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Abstract
The utility model provides an automatic opening device of refrigerator drawer and refrigerator, the refrigerator includes the box and sets up drawer in the box, be provided with the automatic drive arrangement who opens the drawer on the box, drive arrangement is including setting up motor and the speed reduction unit on the box, be fixed with the eccentric circle gear on the output shaft of reducing gear box unit, drive arrangement still include with the conjugation non -circular gear that the eccentric circle gear was mediated mutually, the epaxial drive gear that is fixed with of conjugation non -circular gear drawer bottom be provided with with the rack that drive gear mediated mutually. Through setting up eccentric circle gear and the conjugation non -circular gear of mediating mutually, realize the in -process of opening at the drawer, the force variation of needs offers the opening force that the drawer can change when opening the drawer for the refrigerator drawer operates steadily at the in -process of performing fighting, the noise is less.
Description
Technical field
The utility model belongs to refrigerator technical field, is specifically related to a kind of refrigerator drawer automatic open device and has the refrigerator of this drawer automatic open device.
Background technology
In the prior art, the switch of refrigerator drawer normally to carry out to drawer by staff that push-and-pull operation realizes, along with the increase of refrigerator capacity, the volume of its freezer drawer is also increasing, the drawer volume of the refrigerators such as existing French, Italian type is at 40-60 liter, and the weight under full load condition can reach 40 kilograms, adds the negative pressure of the airtight existence of upper box and the suction of crack between a door and its frame and casing, need larger power ability drawing-out type drawer, further increase the difficulty of user's drawing-out type drawer.
Being convenient to make refrigerator drawer open, having occurred arranging opening device on refrigerator, but the opening device output arranged at present is all constant power; Due in the opening procedure of whole drawer, it is different that drawer is opened to opening force needed for diverse location, can be divided into three phases: first stage, drawer are approximately opened within the scope of 10mm, the opening force of needs should be greater than making a concerted effort of the suction of magnetic force crack between a door and its frame, the pulling force of closing utensil and drawer and the power of the weight of food of storing thereof; 2, second stage, unlatching along with drawer, the suction of magnetic crack between a door and its frame is stripped, but the opening force that the pulling force of closing utensil increases thus second stage gradually to be needed increases; When the distance that drawer is opened equals the maximum effect scope of closing utensil, the opening force needed is maximum 3, the phase III, open along with the continuation of drawer door, the distance that drawer is opened is greater than the sphere of action of closing utensil, the active force of closing utensil also disappears, and drawer stops gradually under the effect of frictional force afterwards.Thus arrange at present and export the opening device of constant force, cause that drawer runs steadily in opening process, noise is larger.
Summary of the invention
The utility model provides a kind of refrigerator drawer automatic open device, provides variable opening force, refrigerator drawer is operated steadily in the process of performing fighting, noise is less.
For reaching above-mentioned technical purpose, the utility model realizes by the following technical solutions:
A kind of refrigerator drawer automatic open device, described refrigerator comprises casing and is arranged on the drawer in described casing, described casing is provided with the drive unit of automatic drawing-out type drawer, described drive unit comprises and is arranged on motor on casing and deceleration unit, and the output shaft of described reduction box unit is fixed with eccentric gear; Described drive unit also comprises the conjugate non-circular gear of mediating mutually with described eccentric gear, and the axle of described conjugate non-circular gear is fixed with driven wheel, is provided with the tooth bar mediated mutually with described driven wheel in described drawer bottom.
Further, described casing is also provided with the closedown utensil of closing described drawer, when the distance that drawer is opened equals the maximum effect scope of closing utensil, the centre of gyration of described eccentric gear is minimum to mediating the distance put.
Further, in described drawer opening process, when the centre of gyration of described eccentric gear is minimum to the distance that kneading is put, described driving gear wheel and rack departs from.
Further, described driven wheel is sector gear.
Further, described refrigerator drawer automatic open device also comprises controller and the sensing unit for detecting drawer closed condition; In described drawer closing process, the closed condition of sensing unit feedback drawer, when sensing unit feedback drawer is not closed, controller starts described motor and reversely rotates.
Further, in described drawer opening process, the gearratio of described eccentric gear and conjugate non-circular gear increases gradually.
Further, described driven wheel is circular gear.
Further, described drive unit is arranged in housing, and in the described casing that described housing is fixed on, described housing is provided with the slideway of drawer opening direction, described tooth bar bottom is provided with groove, and described groove is contained on described slideway.
Based on above-mentioned refrigerator drawer automatic open device, the utility model also provides a kind of refrigerator, by arranging refrigerator drawer automatic open device, provides variable opening force, refrigerator drawer is operated steadily in the process of performing fighting, noise is less.
A kind of refrigerator, described refrigerator comprises casing and is arranged on the drawer in described casing, described casing is provided with the drive unit of automatic drawing-out type drawer, described drive unit comprises and is arranged on motor on casing and deceleration unit, and the output shaft of described reduction box unit is fixed with eccentric gear; Described drive unit also comprises the conjugate non-circular gear of mediating mutually with described eccentric gear, and the axle of described conjugate non-circular gear is fixed with driven wheel, is provided with the tooth bar mediated mutually with described driven wheel in described drawer bottom.
Further, described casing is also provided with the closedown utensil of closing described drawer, when the distance that drawer is opened equals the maximum effect scope of closing utensil, the centre of gyration of described eccentric gear is minimum to mediating the distance put.
Further, in described drawer opening process, when the centre of gyration of described eccentric gear is minimum to the distance that kneading is put, described driving gear wheel and rack departs from.
Further, described driven wheel is sector gear.
Further, described refrigerator drawer automatic open device also comprises controller and the sensing unit for detecting drawer closed condition; In described drawer closing process, the closed condition of sensing unit feedback drawer, when sensing unit feedback drawer is not closed, controller starts described motor and reversely rotates.
Further, in described drawer opening process, the gearratio of described eccentric gear and conjugate non-circular gear increases gradually.
Further, described driven wheel is circular gear.
Further, described drive unit is arranged in housing, and in the described casing that described housing is fixed on, described housing is provided with the slideway of drawer opening direction, described tooth bar bottom is provided with groove, and described groove is contained on described slideway.
The refrigerator drawer automatic open device that the utility model provides, by arranging the eccentric gear and conjugate non-circular gear mediated mutually, realize in the opening process of drawer, according to the change of the power needed during drawing-out type drawer, be supplied to the transformable opening force of drawer, refrigerator drawer is operated steadily in the process of performing fighting, noise is less.
Meanwhile, by arranging the power that drive unit provides by the driven wheel mediated mutually and tooth bar, passing to the tooth bar being arranged on drawer bottom stably, promoting drawer and open.In addition, by arranging reduction box unit, making to utilize less motor, larger opening force is provided, reduce the volume of motor and cost-saving.
After reading detailed description of the invention of the present utility model by reference to the accompanying drawings, other features of the present utility model and advantage will become clearly.
Accompanying drawing explanation
The structural representation of first embodiment of the refrigerator drawer automatic open device that Fig. 1 proposes for the utility model;
Fig. 2 is the structural representation that in Fig. 1, drive unit place amplifies;
Fig. 3 be analyse and observe in Fig. 1 look up structural representation;
Fig. 4 is the structural representation that in Fig. 3, drive unit place amplifies;
Fig. 5 is the structural representation in Fig. 1 after drawer unlatching;
Fig. 6 is the structural representation that in Fig. 5, drive unit place amplifies;
Fig. 7 be analyse and observe in Fig. 5 look up structural representation;
Fig. 8 is the structural representation that in Fig. 7, drive unit place amplifies;
The structural representation of first embodiment of the refrigerator drawer automatic open device that Fig. 9 proposes for the utility model;
Figure 10 is the structural representation that in Fig. 9, drive unit place amplifies;
Figure 11 is the section structure for amplifying schematic diagram at drive unit place in Fig. 9.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term "front", "rear" are based on position relationship shown in the drawings, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
Consult Fig. 1-Fig. 8, first embodiment of the refrigerator drawer automatic open device that the utility model proposes, wherein in Fig. 1, Fig. 3, Fig. 5 and Fig. 7 for the ease of clearly indicating each structure, by drive unit 2 and tooth bar 11 out indicated by the solid line, in fact because drive unit 2 and tooth bar 11 are all arranged on the below of drawer 1, top view be can't see.
Refrigerator drawer automatic open device, refrigerator comprises casing and is positioned at the drawer 1 of casing, casing is provided with the drive unit 2 of automatic drawing-out type drawer, wherein drive unit 2 comprises and is arranged on motor 21 on casing and deceleration unit 22, and the output shaft 221 of reduction box unit 22 is fixed with eccentric gear 23; Drive unit 2 also comprises the conjugate non-circular gear 24 of mediating with eccentric gear 23 phase, and the axle of conjugate non-circular gear 24 is fixed with driven wheel 25, and is provided with the tooth bar 11 mediated with driven wheel 25 phase in the bottom of drawer 1.
In the present embodiment, by arranging the eccentric gear 23 and conjugate non-circular gear 24 mediated mutually, realize in the opening process of drawer, according to the change of the power needed during drawing-out type drawer, be supplied to the transformable opening force of drawer, refrigerator drawer is operated steadily in the process of performing fighting, noise is less.Eccentric gear 23 and conjugate non-circular gear 24 are in engagement process, and gearratio is change, and the power making driven wheel 25 be supplied to tooth bar 11 is also change.Meanwhile, by arranging the power that drive unit 2 provides by the driven wheel 25 mediated mutually and tooth bar 11, passing to the tooth bar 11 be arranged on bottom drawer 1 stably, promoting drawer and open.In addition, by arranging reduction box unit 22, making to utilize less motor 21, larger opening force is provided, reduce the volume of motor 21 and cost-saving.
Shown in Fig. 4-Fig. 8, in order to laborsaving when drawer 1 is closed, casing is also provided with the cut out utensil of closing drawers 1, when the distance that drawer 1 is opened equals the maximum effect scope of closing utensil, now close the pulling force of utensil to drawer 1 maximum, also be that the opening force that drawer 1 needs in opening process is maximum, the centre of gyration arranging now eccentric gear 23 is minimum to mediating the distance put.Because eccentric gear 23 and conjugate non-circular gear 24 are meshed, so the centre of gyration of eccentric gear 23 is to the distance of the centre of gyration of conjugate non-circular gear 24 fixing, when the centre of gyration of eccentric gear 23 is minimum to the distance that kneading is put, the centre of gyration of conjugate non-circular gear 24 is maximum to mediating the distance put, now eccentric gear 23 is maximum with the gearratio of conjugate non-circular gear 24, namely the angular speed of conjugate non-circular gear 24 is minimum, namely the angular speed of driven wheel 25 is minimum, thus the power that driven wheel 25 is supplied to tooth bar 11 in meshing point is maximum.
Shown in Fig. 5 and Fig. 8, in the present embodiment, in drawer 1 opening process, when the centre of gyration of eccentric gear 23 is minimum to the distance that kneading is put, namely driven wheel 25 is when the power that meshing point is supplied to tooth bar 11 is maximum, driven wheel 25 and tooth bar 11 depart from, and drawer 1 continues to open under effect of inertia afterwards, and stops gradually under the effect of frictional force.
Shown in Fig. 4 and Fig. 8, in drawer opening process, eccentric gear 23 increases gradually with the gearratio of conjugate non-circular gear 24; Namely open from drawer 1, when the distance opened to drawer 1 equals the maximum effect scope of closing utensil, the power that driven wheel 25 is supplied to tooth bar 11 in meshing point increases gradually, to overcome making a concerted effort of increasing gradually of needing when drawer 1 is opened to overcome, make that refrigerator drawer operates steadily in the process of performing fighting, noise is less like this.
Shown in Figure 2, in the present embodiment, driven wheel 25 is circular gear, in drawer 1 opening process, after driven wheel 25 and tooth bar 11 depart from, just motor 21 can be stopped.
In other embodiments, also can by the extended length of tooth bar 11, in the opening process of drawer 1, driven wheel 25 engages with tooth bar 11 always, first the gearratio being exactly eccentric gear 23 and conjugate non-circular gear 24 is like this increase gradually, reduces gradually again afterwards.
Shown in Figure 6, in the present embodiment, drive unit 2 is arranged in housing 3, and in the casing that housing 3 is fixed on, housing 3 is provided with the slideway 12 of drawer 1 opening direction, the bottom of tooth bar 11 is provided with groove, and is contained in by groove on slideway 12; Realize the slip of tooth bar 11 on slideway 12 like this.
Consult Fig. 9-Figure 11, second embodiment of the refrigerator drawer automatic open device that the utility model proposes, the main distinction of second embodiment and first embodiment is: driven wheel is sector gear, and the front and back position of the setting of tooth bar is different, other structures can adopt the structure identical with first embodiment.
Refrigerator drawer automatic open device, refrigerator comprises casing and is positioned at the drawer 1 of casing, casing is provided with the drive unit 2 of automatic drawing-out type drawer, wherein drive unit 2 comprises and is arranged on motor 21 on casing and deceleration unit 22, and the output shaft 221 of reduction box unit 22 is fixed with eccentric gear 23; Drive unit 2 also comprises the conjugate non-circular gear 24 of mediating with eccentric gear 23 phase, and the axle of conjugate non-circular gear 24 is fixed with driven wheel 25, and is provided with the tooth bar 11 mediated with driven wheel 25 phase in the bottom of drawer 1.
In the present embodiment, by arranging the eccentric gear 23 and conjugate non-circular gear 24 mediated mutually, realize in the opening process of drawer, according to the change of the power needed during drawing-out type drawer, be supplied to the transformable opening force of drawer, refrigerator drawer is operated steadily in the process of performing fighting, noise is less.Eccentric gear 23 and conjugate non-circular gear 24 are in engagement process, and gearratio is change, and the power making driven wheel 25 be supplied to tooth bar 11 is also change.Meanwhile, by arranging the power that drive unit 2 provides by the driven wheel 25 mediated mutually and tooth bar 11, passing to the tooth bar 11 be arranged on bottom drawer 1 stably, promoting drawer and open.In addition, by arranging reduction box unit 22, making to utilize less motor 21, larger opening force is provided, reduce the volume of motor 21 and cost-saving.
Shown in Figure 10, in the present embodiment, driven wheel 25 is sector gear, in drawer 1 opening process, when the centre of gyration of eccentric gear 23 is minimum to the distance that kneading is put, namely driven wheel 25 is when the power that meshing point is supplied to tooth bar 11 is maximum, driven wheel 25 and tooth bar 11 depart from, now stopped by motor 21, drawer 1 continues to open under effect of inertia afterwards, and stops gradually under the effect of frictional force.
Or after driven wheel 25 and tooth bar 11 depart from, also can continue to rotate by motor 21, after driven wheel 25 and tooth bar 11 depart from, under the drive of motor 21, continue to rotate, engage with tooth bar 11 again afterwards.
When closing drawers 1, can manually drawer 1 be closed; Also can reverse starting motor 21, promote drawer 1 and close.
Shown in Figure 9, in the present embodiment, also comprise controller and the sensing unit 4 for detecting drawer closed condition; In drawer 11 closing process, sensing unit 4 feeds back the closed condition of drawer 1, does not close when sensing unit 4 feeds back drawer, and controller starter motor reversely rotates the cut out promoting drawer 1.Automatically the closed condition of drawer 1 can be detected like this, and starter motor 21 automatic closing drawer 1.
Can also arrange alarm unit, when motor 21 cuts out three times, drawer 1 is not still closed and is put in place, illustrate and track has foreign matter or track to block, now alarm equipment alarm, manually removes foreign matter, drawer 1 can be avoided like this not have closedown to put in place, cause refrigerator cold air to leak outside.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (10)
1. a refrigerator drawer automatic open device, described refrigerator comprises casing and is arranged on the drawer in described casing, described casing is provided with the drive unit of automatic drawing-out type drawer, it is characterized in that, described drive unit comprises and is arranged on motor on casing and deceleration unit, and the output shaft of described reduction box unit is fixed with eccentric gear; Described drive unit also comprises the conjugate non-circular gear of mediating mutually with described eccentric gear, and the axle of described conjugate non-circular gear is fixed with driven wheel, is provided with the tooth bar mediated mutually with described driven wheel in described drawer bottom.
2. refrigerator drawer automatic open device according to claim 1, it is characterized in that, described casing is also provided with the closedown utensil of closing described drawer, when the distance that drawer is opened equals the maximum effect scope of closing utensil, the centre of gyration of described eccentric gear is minimum to mediating the distance put.
3. refrigerator drawer automatic open device according to claim 1, is characterized in that, in described drawer opening process, when the centre of gyration of described eccentric gear is minimum to the distance that kneading is put, described driving gear wheel and rack departs from.
4. refrigerator drawer automatic open device according to claim 1, it is characterized in that, described drive unit is arranged in housing, in the described casing that described housing is fixed on, described housing is provided with the slideway of drawer opening direction, described tooth bar bottom is provided with groove, and described groove is contained on described slideway.
5. the refrigerator drawer automatic open device according to any one of Claims 1-4, is characterized in that, described driven wheel is sector gear.
6. refrigerator drawer automatic open device according to claim 5, is characterized in that, described refrigerator drawer automatic open device also comprises controller and the sensing unit for detecting drawer closed condition; In described drawer closing process, the closed condition of sensing unit feedback drawer, when sensing unit feedback drawer is not closed, controller starts described motor and reversely rotates.
7. the refrigerator drawer automatic open device according to any one of Claims 1-4, is characterized in that, described driven wheel is circular gear.
8. refrigerator drawer automatic open device according to claim 7, is characterized in that, in described drawer opening process, the gearratio of described eccentric gear and conjugate non-circular gear increases gradually.
9. a refrigerator, described refrigerator comprises casing and is arranged on the drawer in described casing, described casing is provided with the drive unit of automatic drawing-out type drawer, it is characterized in that, described drive unit comprises and is arranged on motor on casing and deceleration unit, and the output shaft of described reduction box unit is fixed with eccentric gear; Described drive unit also comprises the conjugate non-circular gear of mediating mutually with described eccentric gear, and the axle of described conjugate non-circular gear is fixed with driven wheel, is provided with the tooth bar mediated mutually with described driven wheel in described drawer bottom.
10. refrigerator according to claim 9, it is characterized in that, described casing is also provided with the closedown utensil of closing described drawer, when the distance that drawer is opened equals the maximum effect scope of closing utensil, the centre of gyration of described eccentric gear is minimum to mediating the distance put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748489.0U CN205002509U (en) | 2015-09-25 | 2015-09-25 | Automatic opening device of refrigerator drawer and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520748489.0U CN205002509U (en) | 2015-09-25 | 2015-09-25 | Automatic opening device of refrigerator drawer and refrigerator |
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| Publication Number | Publication Date |
|---|---|
| CN205002509U true CN205002509U (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520748489.0U Active CN205002509U (en) | 2015-09-25 | 2015-09-25 | Automatic opening device of refrigerator drawer and refrigerator |
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| CN (1) | CN205002509U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969588A (en) * | 2017-04-13 | 2017-07-21 | 合肥华凌股份有限公司 | Power-assisted switch module and refrigeration plant |
| CN108252030A (en) * | 2018-01-08 | 2018-07-06 | 青岛海尔滚筒洗衣机有限公司 | A kind of drawer can automatic open-close Dual laundry machines |
| CN109898945A (en) * | 2019-03-26 | 2019-06-18 | 合肥华凌股份有限公司 | Switching mechanism, body structure and refrigerator |
| CN110016786A (en) * | 2018-01-08 | 2019-07-16 | 青岛海尔滚筒洗衣机有限公司 | A kind of drawer can automatic open-close Dual laundry machines |
| CN113915839A (en) * | 2021-09-29 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and control method for automatically opening and closing door of refrigerator |
| CN113915929A (en) * | 2021-10-26 | 2022-01-11 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
-
2015
- 2015-09-25 CN CN201520748489.0U patent/CN205002509U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969588A (en) * | 2017-04-13 | 2017-07-21 | 合肥华凌股份有限公司 | Power-assisted switch module and refrigeration plant |
| CN108252030A (en) * | 2018-01-08 | 2018-07-06 | 青岛海尔滚筒洗衣机有限公司 | A kind of drawer can automatic open-close Dual laundry machines |
| CN110016786A (en) * | 2018-01-08 | 2019-07-16 | 青岛海尔滚筒洗衣机有限公司 | A kind of drawer can automatic open-close Dual laundry machines |
| JP2021517001A (en) * | 2018-01-08 | 2021-07-15 | 青島海爾滾筒洗衣机有限公司 | Combined washing machine that can open and close drawers automatically |
| US11555269B2 (en) | 2018-01-08 | 2023-01-17 | Chongqing Haier washing machine Co., Ltd. | Duplex washing machine with automatically openable drawer |
| CN109898945A (en) * | 2019-03-26 | 2019-06-18 | 合肥华凌股份有限公司 | Switching mechanism, body structure and refrigerator |
| CN109898945B (en) * | 2019-03-26 | 2021-03-16 | 合肥华凌股份有限公司 | Switch mechanism, box body structure and refrigerator |
| CN113915839A (en) * | 2021-09-29 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator and control method for automatically opening and closing door of refrigerator |
| CN113915929A (en) * | 2021-10-26 | 2022-01-11 | 青岛海尔电冰箱有限公司 | Refrigerator with a door |
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