CN118273618A - Refrigerator door opening and closing device - Google Patents

Refrigerator door opening and closing device Download PDF

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Publication number
CN118273618A
CN118273618A CN202211706849.1A CN202211706849A CN118273618A CN 118273618 A CN118273618 A CN 118273618A CN 202211706849 A CN202211706849 A CN 202211706849A CN 118273618 A CN118273618 A CN 118273618A
Authority
CN
China
Prior art keywords
rotating shaft
refrigerator door
door opening
driving gear
transmission rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211706849.1A
Other languages
Chinese (zh)
Inventor
张广磊
程学丽
黄璐璐
朱小兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Refrigerator Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Refrigerator Co Ltd
Priority to CN202211706849.1A priority Critical patent/CN118273618A/en
Publication of CN118273618A publication Critical patent/CN118273618A/en
Pending legal-status Critical Current

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Abstract

The invention provides a refrigerator door opening and closing device, comprising: the refrigerator comprises a refrigerator body, a power module arranged on the refrigerator body and a fixing piece arranged on the refrigerator door, wherein the power module is connected with the fixing piece and comprises a motor, a transmission rod connected with the motor and a driving gear connected with the transmission rod in a matched mode, a rotating shaft extending vertically is connected to the driving gear, and the rotating shaft extends downwards and is connected with the fixing piece in a matched mode. Compared with the prior art, the refrigerator door opening and closing device provided by the invention utilizes the linkage action of the power module, the transmission rod and the driving gear to drive the refrigerator door to rotate, so that the opening and closing operation is realized, the whole opening and closing process is more intelligent and electrified, the time and the labor are saved, and the refrigerator door opening and closing device is especially suitable for application scenes in which manual door opening is inconvenient.

Description

Refrigerator door opening and closing device
Technical Field
The invention relates to the field of refrigeration equipment, in particular to a refrigerator door opening and closing device.
Background
The existing refrigerator door is opened and closed through the hinge, the hinge is fixed with the refrigerator body through the screw, the refrigerator door body rotates by taking the hinge shaft as the center of a circle, so that the door body and the refrigerator body are opened and closed, manual operation is needed in the whole opening and closing process, the degree of automation is low, inconvenience is brought to life, particularly when the attraction force between the refrigerator door sealing strip and the refrigerator body is large, the refrigerator door can be opened through large force, and if the force control of the pulling door is not good, the stored articles in the refrigerator door body are easy to shake greatly, the use experience is poor, the opening and closing mode of the refrigerator door brings inconvenience to old people and children, and under the condition of holding the articles, the manual opening and closing door is more difficult and inconvenient.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a refrigerator door opening and closing device so as to improve the convenience of opening and closing operations of a refrigerator door.
In order to solve the technical problems, the invention adopts the following technical scheme: a refrigerator door opening and closing apparatus comprising: install the power module on the refrigerator box, install the mounting on the refrigerator door, the power module with the mounting is connected, the power module includes: the refrigerator comprises a base fixed on a refrigerator body, a motor fixed on the base, a transmission rod connected with the motor and a driving gear connected with the transmission rod, wherein the transmission rod is fixed on the base and located beside a rotation center line of the motor, a vertically extending rotating shaft is connected to the driving gear, and the rotating shaft extends downwards and is connected with the fixing piece in a matched mode.
Further, the transmission rod extends horizontally, a head gear is arranged at the head of the transmission rod, a tail spiral tooth is arranged at the tail of the transmission rod, and the tail spiral tooth is meshed with the driving gear.
Further, an output gear is connected to the output end of the motor, and the output gear is meshed with the head gear.
Further, the transmission rod comprises a main rod and a worm, the main rod and the worm are connected into a whole, and the tail spiral teeth are distributed on the surface of the worm.
Further, a pair of mounting bearings are sleeved on the transmission rod, and the pair of mounting bearings are sleeved on the main rod and the worm respectively.
Further, the fixing piece is provided with a positioning hole for accommodating the rotating shaft, the bottom end of the rotating shaft is inserted into the positioning hole, and the bottom end of the rotating shaft and the positioning hole are mutually clamped through a plurality of positioning concave parts and positioning convex blocks to realize mutual fixing and limiting.
Further, the plurality of positioning concave parts are uniformly distributed on the surface of the rotating shaft along the circumferential direction of the rotating shaft, and the plurality of positioning convex blocks are formed in the positioning holes of the fixing piece and correspondingly matched with the plurality of positioning concave parts.
Further, the driving gear is sleeved on the rotating shaft and can rotate around the rotating shaft, the rotating shaft passes through the center of the driving gear from top to bottom, a locking bolt is arranged on the top surfaces of the rotating shaft and the driving gear, and the locking bolt is simultaneously inserted into the rotating shaft and the driving gear.
Further, the locking bolt is T-shaped; the rotating shaft is also provided with a mounting bearing, and the mounting bearing is sleeved on the rotating shaft and is positioned right below the driving gear.
Further, the power module further comprises a cover body covered on the base, an access hole and a cover plate are arranged on the cover body, and the driving gear and the transmission rod are at least partially exposed in the access hole.
Compared with the prior art, the refrigerator door opening and closing device provided by the invention utilizes the linkage action of the power module, the transmission rod and the driving gear to drive the refrigerator door to rotate, so that the opening and closing operation is realized, the whole opening and closing process is more intelligent and electrified, the time and the labor are saved, and the refrigerator door opening and closing device is especially suitable for application scenes in which manual door opening is inconvenient.
Drawings
Fig. 1 is a schematic installation view of a refrigerator door opening and closing apparatus according to the present invention.
Fig. 2 is a partially exploded view of a refrigerator door opening and closing apparatus according to the present invention.
Fig. 3 is an internal structural view of a power module of a refrigerator door opening and closing apparatus according to the present invention.
Fig. 4 is a partially connected schematic illustration of a power module of a refrigerator door opening and closing apparatus according to the present invention.
Fig. 5 is an exploded view of a driving gear and a fixing member of the opening and closing apparatus for a refrigerator door according to the present invention.
Fig. 6 is a partially exploded view of a power module and a refrigerator door of the refrigerator door opening and closing apparatus according to the present invention.
Fig. 7 is a schematic diagram showing connection between a power module and a refrigerator door of the refrigerator door opening and closing device according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.
It will be appreciated that terms such as "upper," "lower," "outer," "inner," and the like, as used herein, refer to spatially relative positions and are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
Referring to fig. 1 to 7, the present invention provides a refrigerator door opening and closing device, comprising: the power module 10 is arranged on the refrigerator body 200, and the fixing piece 20 is arranged on the refrigerator door 300, the power module 10 is fixed on the refrigerator body 200 and matched with the fixing piece 20, and the fixing piece 20 is driven to rotate by the power of the power module 10, so that the refrigerator door 300 is driven to rotate, and the aim of opening and closing is fulfilled.
The power module 10 comprises a base 11, a cover 12 arranged on the base 11, a motor 13 fixed on the base 11, a transmission rod 14 connected with the motor 13, and a driving gear 15 connected with the transmission rod 14. The base 11 is fixed on the refrigerator case 200, preferably, the bottom of the base 11 is fixed on the top surface of the refrigerator case 200 by a pair of fixing frames 16, as shown in fig. 2, the pair of fixing frames 16 are parallel to each other and fixed on the refrigerator case 200, a plurality of fixing holes are formed on the surface of the fixing frames 16 for fixing the base 11, and the bottom surface of the base 11 is pressed against the pair of fixing frames 16 and connects and fixes the base 11 and the fixing frames 16 together by screws or bolts. The cover body 12 is covered above the motor 13, the transmission rod 14 and the driving gear 15, plays the roles of protection such as dust prevention and moisture prevention, and is provided with a through-inside access hole 121 and a cover plate 122 on the cover body 12, the driving gear 15 and the transmission rod 14 are exposed in the access hole 121, and the cover plate 122 covers the access hole 121 and can be detached during maintenance so as to facilitate maintenance of the driving gear 15 and the transmission rod 14. The motor 13 is fixed on the base 11, and an output gear 131 is disposed at an output end of the motor 13 and is used for being connected with the transmission rod 14, preferably, the motor 13 is mounted on the base 11 through a base 132, the base 132 carries and fixes the motor 13, and the base 132 is fixedly connected with the base 11 through a screw or a bolt. The transmission rod 14 extends horizontally, a head gear 141 is arranged at the head of the transmission rod 14, a tail helical tooth 142 is arranged at the tail of the transmission rod, the tail helical tooth is respectively meshed with the output gear 131 and the driving gear 15, preferably, the transmission rod 14 comprises a main rod 143 and a worm 144, the main rod 143 and the worm 144 are mutually assembled and connected or integrally connected, the head gear 141 is positioned at one end of the main rod 143 and meshed with the output gear 131 of the motor 13, the tail helical tooth 142 is distributed on the surface of the worm 144, preferably, a pair of mounting bearings P are sleeved on the transmission rod 14, The pair of mounting bearings P are respectively sleeved on the main rod 143 and the worm 144, so as to realize rotation of the main rod 143 and the worm 144, and the main rod 143 and the worm 144 are further mounted on the base 11 by using the mounting bearings P, it should be noted that, in the present invention, the transmission rod 14 is not directly fixed on the output end of the motor 13, but is directly fixed on the base 11 by the pair of mounting bearings P, and is located beside the rotation center line O of the motor 13 (refer to fig. 4), so that the transmission rod 14 (especially the worm 144) can bear a larger torque, and the refrigerator door 300 can be pushed away more easily, and the driving lever 14 extends in a horizontal direction from the case 200 to a position right above the refrigerator door 300 (right above the fixing member 20). The driving gear 15 is fixed on one side of the worm 144 and is meshed with the tail spiral teeth 142 on the surface of the worm 144, when the worm 144 rotates, the driving gear 15 is driven by the tail spiral teeth 142 to rotate, and as shown in fig. 4 and 5, preferably, a vertically extending rotating shaft 151 is disposed on the inner side of the driving gear 15, the driving gear 15 is sleeved on the rotating shaft 151 and can rotate around the rotating shaft 151, the rotating shaft 151 passes through the center of the driving gear 15 from top to bottom and further passes through the base 11 downward, and protrudes out of the bottom surface of the base 11, For connection with the refrigerator door 300; Preferably, the bottom end of the rotating shaft 151 is provided with a plurality of positioning concave parts 152, and the plurality of positioning concave parts 152 are uniformly distributed on the surface of the rotating shaft 151 along the circumferential direction of the rotating shaft 151; in addition, a mounting bearing P is further disposed on the rotating shaft 151, and is used for fixing the rotating shaft 151 on the base 11, and the mounting bearing P is sleeved on the rotating shaft 151 and is located under the driving gear 15; It should be noted that, the top surfaces of the rotating shaft 151 and the driving gear 15 are further provided with a locking bolt 153, the locking bolt 153 is in a T shape, and is inserted into the rotating shaft 151 and the driving gear 15, so as to lock or lock the rotating shaft 151 and the driving gear 15, at this time, the rotation of the driving gear 15 can drive the rotating shaft 151 to rotate synchronously, and then the rotating shaft 151 drives the refrigerator door to rotate, and of course, under the condition of power failure, only the locking bolt 153 needs to be removed, and the rotating shaft 151 and the driving gear 15 can rotate relatively, so that the manual door opening and closing operation can still be performed after the power failure is realized.
The fixing member 20 is fixed inside the refrigerator door 300, and is configured to be cooperatively connected with the rotating shaft 151 of the driving gear 15, and is driven by the rotating shaft 151 to rotate, as shown in fig. 5, the fixing member 20 is provided with an upward positioning hole 21, for accommodating the rotating shaft 151, a plurality of positioning protrusions 22 are disposed in the positioning hole 21, the positioning protrusions 22 are in snap fit with the positioning recesses 152 at the bottom end of the rotating shaft 151, so that the rotating shaft 151 and the fixing member 20 are fixed and positioned mutually, that is, after the rotating shaft 151 is inserted into the positioning hole 21, the rotating shaft 151 can transmit or transmit rotation of itself to the fixing member 20 by means of the snap fit of the positioning recesses 152 and the positioning protrusions 22, and the fixing member 20 is driven to rotate synchronously, so that the rotation of the refrigerator door 300 is finally realized, the purpose of automatic opening and closing of the refrigerator door is achieved, and the door is electrically and automatically opened and closed. Of course, in the conceivable alternative, the positions of the positioning recess 152 and the positioning protrusion 22 may be interchanged, that is, the positioning recess 152 may be disposed in the positioning hole 21, and the positioning protrusion 22 may be disposed on the rotating shaft 151, so that the positioning may also achieve the snap fit between the rotating shaft 151 and the positioning hole 21, which is also within the scope of the present invention and will not be described herein.
In the running process, the motor 13 in the power module 10 rotates to provide power and drive the transmission rod 14 to rotate synchronously, the rotation of the transmission rod 14 drives the rotation of the driving gear 15 and the rotation shaft 151, and the rotation of the fixing piece 20 in the refrigerator door 300 is further driven by the rotation shaft 151, so that the rotation of the refrigerator door 300 is realized, and the electric switching operation of the refrigerator door is realized. Because the power output of the motor 13 is smoother, the whole refrigerator door opening and closing process is also smoother, the operation is more convenient and intelligent, and a plurality of problems in manual door opening operation can be improved.
In summary, the refrigerator door opening and closing device of the present invention utilizes the linkage action of the power module 10, the transmission rod 14 and the driving gear 15 to drive the refrigerator door 300 to rotate, so as to realize opening and closing operation, and the whole opening and closing process is more intelligent, electrified, time-saving and labor-saving, and is particularly suitable for some application scenarios in which manual door opening is inconvenient.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. A refrigerator door opening and closing apparatus comprising: install the power module on the refrigerator box, install the mounting on the refrigerator door, the power module with the mounting is connected, its characterized in that, the power module includes: the refrigerator comprises a base fixed on a refrigerator body, a motor fixed on the base, a transmission rod connected with the motor and a driving gear connected with the transmission rod, wherein the transmission rod is fixed on the base and located beside a rotation center line of the motor, a vertically extending rotating shaft is connected to the driving gear, and the rotating shaft extends downwards and is connected with the fixing piece in a matched mode.
2. The refrigerator door opening and closing apparatus as claimed in claim 1, wherein: the transmission rod extends horizontally, a head gear is arranged at the head of the transmission rod, a tail spiral tooth is arranged at the tail of the transmission rod, and the tail spiral tooth is meshed with the driving gear.
3. The refrigerator door opening and closing apparatus as claimed in claim 2, wherein: the output end of the motor is connected with an output gear, and the output gear is meshed with the head gear.
4. The refrigerator door opening and closing apparatus as claimed in claim 3, wherein: the transmission rod comprises a main rod and a worm, the main rod and the worm are connected into a whole, and the tail spiral teeth are distributed on the surface of the worm.
5. The refrigerator door opening and closing apparatus as claimed in claim 4, wherein: the transmission rod is also sleeved with a pair of mounting bearings, and the pair of mounting bearings are respectively sleeved on the main rod and the worm.
6. The refrigerator door opening and closing apparatus as claimed in claims 1 to 5, wherein: the fixing piece is provided with a positioning hole for accommodating the rotating shaft, the bottom end of the rotating shaft is inserted into the positioning hole, and the bottom end of the rotating shaft and the positioning hole are mutually clamped through a plurality of positioning concave parts and positioning convex blocks to realize mutual fixing and limiting.
7. The refrigerator door opening and closing apparatus as claimed in claim 6, wherein: the positioning concave parts are uniformly distributed on the surface of the rotating shaft along the circumferential direction of the rotating shaft, and the positioning convex blocks are formed in the positioning holes of the fixing piece and correspondingly matched with the positioning concave parts.
8. The refrigerator door opening and closing apparatus as claimed in claim 1, wherein: the driving gear is sleeved on the rotating shaft and can rotate around the rotating shaft, the rotating shaft passes through the center of the driving gear from top to bottom, a locking bolt is arranged on the top surfaces of the rotating shaft and the driving gear, and the locking bolt is simultaneously inserted into the rotating shaft and the driving gear.
9. The refrigerator door opening and closing apparatus as claimed in claim 8, wherein: the locking bolt is T-shaped; the rotating shaft is also provided with a mounting bearing, and the mounting bearing is sleeved on the rotating shaft and is positioned right below the driving gear.
10. The refrigerator door opening and closing apparatus as claimed in claim 9, wherein: the power module further comprises a cover body covered on the base, an access hole and a cover plate are arranged on the cover body, and the driving gear and the transmission rod are at least partially exposed in the access hole.
CN202211706849.1A 2022-12-29 2022-12-29 Refrigerator door opening and closing device Pending CN118273618A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211706849.1A CN118273618A (en) 2022-12-29 2022-12-29 Refrigerator door opening and closing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211706849.1A CN118273618A (en) 2022-12-29 2022-12-29 Refrigerator door opening and closing device

Publications (1)

Publication Number Publication Date
CN118273618A true CN118273618A (en) 2024-07-02

Family

ID=91647343

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211706849.1A Pending CN118273618A (en) 2022-12-29 2022-12-29 Refrigerator door opening and closing device

Country Status (1)

Country Link
CN (1) CN118273618A (en)

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