CN218668985U

CN218668985U - Driving device, air door assembly and refrigerator

Info

Publication number: CN218668985U
Application number: CN202222892780.8U
Authority: CN
Inventors: 李洋; 纪宪军; 许梦琪
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-21
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a drive arrangement, air door subassembly and refrigerator that have it, drive arrangement includes: the air conditioner comprises a support, a transmission assembly and a driving piece, wherein a first rotating shaft used for being connected with a first air door and a second rotating shaft used for being connected with a second air door are arranged on the support; the transmission assembly is provided with a first state and a second state, the transmission assembly is in transmission connection with the first rotating shaft and separated from the second rotating shaft in the first state, and the transmission assembly is in transmission connection with the second rotating shaft and separated from the first rotating shaft in the second state; the driving member is in transmission connection with the transmission assembly and is suitable for driving the transmission assembly to switch between a first state and a second state. Through using above-mentioned technical scheme, can switch the state of the drive assembly of state, realize the control of same driving piece to a plurality of pivots, do benefit to the flexibility that improves the application and do benefit to and simplify the drive structure.

Description

Driving device, air door assembly and refrigerator

Technical Field

The utility model relates to a mechanical equipment technical field, in particular to drive arrangement, including this drive arrangement's air door subassembly and have the refrigerator of this air door subassembly.

Background

When drive arrangement's drive biax, need two motors to be connected with the pivot transmission respectively, drive structure is comparatively complicated, is unfavorable for the scene and uses.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the present invention is to provide a driving device, which can switch the driving assembly of the status by setting, so as to control a plurality of rotating shafts by using the same driving member, thereby improving the flexibility of the application and simplifying the driving structure.

Another object of the present invention is to provide an air door assembly, including the above-mentioned driving device.

Another object of the present invention is to provide a refrigerator, including the above-mentioned air door assembly.

According to the utility model discloses drive arrangement, include: the air conditioner comprises a support, a transmission assembly and a driving piece, wherein a first rotating shaft used for being connected with a first air door and a second rotating shaft used for being connected with a second air door are arranged on the support, the first rotating shaft and the second rotating shaft are respectively and rotatably connected with the support, and the first rotating shaft and the second rotating shaft can rotate relatively; the transmission assembly has a first state and a second state, the transmission assembly is in transmission connection with the first rotating shaft and separated from the second rotating shaft in the first state, and the transmission assembly is in transmission connection with the second rotating shaft and separated from the first rotating shaft in the second state; the driving piece is in transmission connection with the transmission assembly and is suitable for driving the transmission assembly to switch between a first state and a second state.

According to the utility model discloses drive arrangement can switch over the drive assembly of state through the setting, can realize the control of same driving piece to a plurality of pivots, does benefit to the flexibility that improves the application and does benefit to and simplifies the drive structure.

In addition, the driving device according to the above embodiment of the present invention may further have the following additional technical features:

in some examples of the invention, the transmission assembly comprises: the first transmission piece is in transmission connection with the driving piece, and the first transmission piece is in detachable transmission connection with the first rotating shaft; the second transmission piece and the first transmission piece can rotate relatively and can be switched between states of transmission connection and mutual separation, and the second transmission piece is in transmission connection with the second rotating shaft, wherein the first transmission piece and the second transmission piece are separated from each other and the first transmission piece is in transmission connection with the first rotating shaft when the transmission assembly is in the first state; the transmission assembly is in transmission connection with the first transmission piece and the second transmission piece in the second state, the first transmission piece is separated from the first rotating shaft, and the second transmission piece is in transmission connection with the second rotating shaft.

In some examples of the present invention, the first transmission member and the second transmission member are coaxially engaged, the first transmission member is provided with a first toggle member, the second transmission member is provided with a second toggle member, the first toggle member and the second toggle member are arranged along the circumferential direction of the first transmission member or the circumferential direction of the second transmission member are opposite, so that the first transmission member and the second transmission member are switchable between a mutually-driven state and a mutually-separated state.

In some examples of the present invention, the first transmission member has a first position, a second position and a third position in the first rotational direction in sequence, the transmission assembly being in the first state when the first transmission member is in the first position; when the first transmission piece is at the second position, the first shifting piece is abutted with the second shifting piece; the transmission assembly is located in the second state when the first transmission member is in the third position; the first transmission piece is sequentially provided with a fourth position, a fifth position and a sixth position in a second rotating direction, and the transmission assembly is located in the first state when the first transmission piece is located at the fourth position; when the first transmission piece is at the fifth position, the first shifting piece is abutted with the second shifting piece; the transmission assembly is located in the second state when the first transmission member is in the sixth position; wherein the first and second rotational directions are opposite directions.

In some examples of the present invention, the first shaft has a first door opening position and a first door closing position, and the second shaft has a second door opening position and a second door closing position, wherein the first transmission member is adapted to drive the first shaft to rotate from the first door closing position to the first door opening position in the first position; the first transmission piece is suitable for driving the second rotating shaft to rotate from the second door closing position to the second door opening position in the third position; the first transmission piece is suitable for driving the first rotating shaft to rotate from the first door opening position to the first door closing position at the fourth position; the first transmission piece is suitable for driving the second rotating shaft to rotate from the second door opening position to the second door closing position in the sixth position.

In some examples of the present invention, the first transmission member is provided with a first sector gear, the first rotating shaft is provided with a second sector gear adapted to the first sector gear, and the first transmission member is rotated in the process of switching between the engaged state and the disengaged state of the first sector gear and the second sector gear.

The utility model discloses an in some examples, second sector gear follows the both ends of the circumference of first pivot are equipped with first storage tank respectively, first sector gear with when second sector gear alternate segregation first transmission piece embedding first storage tank.

In some examples of the present invention, the first transmission member includes a first limit ring, the first limit ring is extended in a circumferential direction of the first transmission member and is configured to have an open ring shape, the first sector gear is provided at an opening of the first limit ring, and the first limit ring is embedded in the first accommodation groove when the first sector gear and the second sector gear are separated from each other.

In some examples of the present invention, the second transmission member is detachably connected to the second shaft, wherein the second transmission member is provided with a third sector gear, the second shaft is provided with a fourth sector gear adapted to the third sector gear, and the second transmission member is rotated in the third sector gear and the fourth sector gear are switched between the engaged and disengaged states.

In some examples of the invention, the first sector gear and the second sector gear are circumferentially offset along the first transmission member or the second transmission member when the first transmission member and the second transmission member are drivingly connected.

The utility model discloses an in some examples, fourth sector gear follows the both ends of the circumference of second pivot are equipped with the second storage tank respectively, the second sector gear with when fourth sector gear alternate segregation the embedding of second driving medium the second storage tank.

In some examples of the invention, the second driving medium includes a second limit ring, the second limit ring is followed the circumference of the second driving medium is extended and is constructed to have an open-ended annular shape, the third sector gear is located the opening part of the second limit ring, the third sector gear with when the fourth sector gear separates each other the second limit ring imbeds the second storage tank.

The utility model discloses an in some examples, be equipped with first stopper on the second driving medium, be equipped with first stopper and second stopper on the support, first stopper with the second stopper is followed the circumference of second driving medium is arranged, just first stopper spacing in first stopper with between the second stopper.

The utility model discloses an in some examples, be equipped with the third stopper on the support, be equipped with the spacing groove on the second driving medium, the spacing groove is followed the circumference of second driving medium extends, just the movably embedding of third stopper the spacing inslot.

In some examples of the invention, the first shaft and the second shaft are coaxially arranged.

In some examples of the present invention, an end of one of the first rotating shaft and the second rotating shaft is provided with a shaft hole, and an end of the other of the first rotating shaft and the second rotating shaft is rotatably embedded in the shaft hole.

In some examples of the present invention, the transmission assembly is in the first state separated from the second shaft, and the transmission assembly is in the second state separated from the first shaft.

According to the utility model discloses air door subassembly, include: the first air door is connected with the first rotating shaft; the second air door is connected with the second rotating shaft.

According to the utility model discloses air door subassembly, first air door and second air door can connect drive arrangement simultaneously, and drive arrangement can realize the control of first air door and second air door, does benefit to the structure of simplifying the air door subassembly, realizes independent control.

According to the utility model discloses refrigerator, include: the air door assembly comprises a box body and the air door assembly, wherein a first chamber, a second chamber and an air channel are arranged in the box body, and the air channel is respectively connected with the first chamber and the second chamber; the first air door is used for adjusting the opening degree between the first chamber and the air duct, and the second air door is used for adjusting the opening degree between the second chamber and the air duct.

According to the utility model discloses refrigerator can realize the independent control of wind path in the refrigerator wind channel, does benefit to and adjusts refrigerator room temperature.

Drawings

Fig. 1 is a schematic view of a driving device according to some embodiments of the present invention.

Fig. 2 is a schematic structural diagram of a driving device according to some embodiments of the present invention.

Fig. 3 is an exploded view of a portion of a drive assembly (showing a transmission assembly, a first shaft, and a second shaft) according to some embodiments of the present invention.

Fig. 4 is a schematic structural view of a first housing in a cradle according to some embodiments of the present invention.

Fig. 5 is a schematic view of a damper assembly according to some embodiments of the present invention.

Fig. 6 is a schematic view of a portion of a damper assembly according to some embodiments of the present invention (showing the drive arrangement when both the first damper and the second damper are closed).

Fig. 7 is a schematic view of a portion of a damper assembly according to some embodiments of the present invention (showing the drive configuration with the first damper open and the second damper closed).

Fig. 8 is a schematic view of a portion of a damper assembly according to some embodiments of the present invention (showing the drive arrangement when both the first damper and the second damper are open).

Fig. 9 is a schematic view of a portion of the damper assembly (showing the position of the drive mechanism with the first damper closed and the second damper open) in some embodiments of the present invention.

Reference numerals:

100. a damper assembly; 20. a first damper; 30. a second damper; 10. a drive device; 1. a support; 11. a first housing; 12. a second housing; 111. a first stopper; 112. a second limiting block; 113. a third limiting block; 101. a waterproof groove; 102. a groove part; 2. a drive member; 21. a second gear; 3. a first rotating shaft; 31. a second sector gear; 301. a first accommodating groove; 4. a second rotating shaft; 401. a shaft hole; 41. a fourth sector gear; 402. a second accommodating groove; 51. a first transmission member; 53. a first gear; 511. a first toggle piece; 512. a first sector gear; 513. a first limit ring; 52. a second transmission member; 521. a first positioning block; 522. a second toggle piece; 523. a third sector gear; 524. and a second limit ring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

With reference to fig. 1 to 9, a driving device 10 according to an embodiment of the present invention includes: support 1, transmission assembly and driving piece 2 are equipped with the first pivot 3 that is used for connecting first air door 20 and is used for connecting the second pivot 4 of second air door 30 on the support 1, and first pivot 3 and second pivot 4 rotationally link to each other with support 1 respectively, and first pivot 3 and second pivot 4 are rotatable relatively. The transmission assembly has a first state and a second state, the transmission assembly is in transmission connection with the first rotating shaft 3 and separated from the second rotating shaft 4 in the first state, the transmission assembly is in transmission connection with the second rotating shaft 4 and separated from the first rotating shaft 3 in the second state, and the driving member 2 is in transmission connection with the transmission assembly and is suitable for driving the transmission assembly to switch between the first state and the second state. Specifically, the driving member 2 can drive the transmission assembly to rotate, and the transmission assembly can drive the first rotating shaft 3 or the second rotating shaft 4 to rotate, so that the driving action of the driving member 2 on the rotating shafts is realized, and the independent control on the first air door 20 and the second air door 30 can be realized. Wherein the transmission assembly has a first state and a second state, and when the transmission assembly is in the first state, the transmission assembly can be connected with the first rotating shaft 3 to transmit power to the first rotating shaft 3; the transmission assembly can be connected with the second rotating shaft 4 in the second state so as to transmit power to the second rotating shaft 4, and therefore the same driving piece 2 can drive the two rotating shafts, transmission efficiency can be improved, and the structure can be simplified.

According to the utility model discloses drive arrangement 10 can switch over the drive assembly of state through the setting, can realize the control of same driving piece 2 to a plurality of pivots, does benefit to the flexibility that improves the application and does benefit to and simplifies the drive structure.

It should be noted that, when the transmission assembly is in the first state, the transmission assembly is in transmission connection with the first rotating shaft 3, and the transmission assembly may also be in transmission connection with the second rotating shaft 4 at the same time, so that the transmission assembly can drive the first rotating shaft 3 and the second rotating shaft 4 at the same time; or when the transmission assembly is in the second state, the transmission assembly is in transmission connection with the second rotating shaft 4, and the transmission assembly can also be in transmission connection with the first rotating shaft 3 at the same time, so that the transmission assembly can drive the first rotating shaft 3 and the second rotating shaft 4 at the same time. It is also possible that the transmission assembly may further have a third state, and when the transmission assembly is in the third state, the transmission assembly is in transmission connection with the first rotating shaft 3 and the second rotating shaft 4 at the same time so as to drive the first rotating shaft 3 and the second rotating shaft 4 at the same time.

With reference to fig. 1, in some embodiments of the present invention, the transmission assembly includes: the first transmission piece 51 is in transmission connection with the driving piece 2, and the first transmission piece 51 is in detachable transmission connection with the first rotating shaft 3; the second transmission member 52 is relatively rotatable with respect to the first transmission member 51 and switchable between a transmission connection state and a mutually separated state, and the second transmission member 52 is in transmission connection with the second rotating shaft 4. When the transmission assembly is in the first state, the first transmission piece 51 and the second transmission piece 52 are separated from each other, and the first transmission piece 51 is in transmission connection with the first rotating shaft 3; in the second state, the transmission assembly is in transmission connection with the first transmission piece 51 and the second transmission piece 52, the first transmission piece 51 is separated from the first rotating shaft 3, and the second transmission piece 52 is in transmission connection with the second rotating shaft 4. In other words, the first transmission member 51 and the second transmission member 52 are respectively connected to the first rotating shaft 3 and the second rotating shaft 4 in a transmission manner, when the first transmission member 51 and the second transmission member 52 are mutually transmitted, both the first rotating shaft 3 and the second rotating shaft 4 can rotate, and when the first transmission member 51 and the second transmission member 52 are mutually separated, both the second transmission member 52 and the second rotating shaft 4 cannot rotate. Thus, by switching the relative state between the first transmission member 51 and the second transmission member 52, the rotation of the rotating shaft can be controlled.

In practical application, when the first rotating shaft 3 needs to be driven to rotate, the driving part 2 drives the first transmission part 51 to rotate, the first transmission part 51 drives the first rotating shaft 3 to rotate, the first transmission part 51 is separated from the second transmission part 52, and the transmission assembly is in a first state, at this time, the second transmission part 52 and the second rotating shaft 4 do not rotate; when the second rotating shaft 4 needs to be driven, the driving member 2 drives the first transmission member 51 to rotate, the second transmission member 52 and the first transmission member 51 are mutually transmitted, the first transmission member 51 drives the second transmission member 52 to rotate, the second transmission member 52 drives the second rotating shaft 4 to rotate, and the transmission assembly is in the second state.

With reference to fig. 2 and 3, in some embodiments of the present invention, the first transmission member 51 and the second transmission member 52 are coaxially engaged, the first transmission member 51 is provided with a first toggle member 511, the second transmission member 52 is provided with a second toggle member 522, and the first toggle member 511 and the second toggle member 522 are opposite to each other along the circumferential direction of the first transmission member 51 or the second transmission member 52, so that the first transmission member 51 and the second transmission member 52 are switchable between a mutually driving state and a mutually separated state. That is, when the first toggle piece 511 and the second toggle piece 522 are separated from each other, the first transmission piece 51 and the second transmission piece 52 are separated from each other, and the transmission assembly is in the first state; when the first toggle member 511 and the second toggle member 522 are engaged with each other, the first transmission member 51 and the second transmission member 52 are mutually transmitted, and the transmission assembly is in the second state. Specifically, when the first transmission member 51 rotates, the position of the first toggle member 511 moves, and when the first toggle member 511 moves to be connected with the second toggle member 522, the first transmission member 51 can drive the second transmission member 52 to rotate, so that the first transmission member 51 and the second transmission member 52 can be switched from a mutually separated state to a mutually transmitted state, and the structure is simple, easy to construct and beneficial to improving the operation stability.

With reference to fig. 3, in some embodiments of the present invention, the first transmission member 51 has a first position, a second position and a third position in the first rotation direction, in particular, the transmission assembly is in the first state when the first transmission member 51 is in the first position; when the first transmission piece 51 is at the second position, the first toggle piece 511 and the second toggle piece 522 are abutted; the transmission assembly is in the second state when the first transmission member 51 is in the third position. The first transmission piece 51 sequentially has a fourth position, a fifth position and a sixth position in the second rotation direction, and the transmission assembly is in the first state when the first transmission piece 51 is in the fourth position; when the first transmission piece 51 is at the fifth position, the first toggle piece 511 and the second toggle piece 522 are abutted; the transmission assembly is in the second state when the first transmission member 51 is in the sixth position; wherein the first and second rotational directions are opposite directions. The first and second rotational directions may be clockwise or counterclockwise.

In other words, the first transmission member 51 can rotate in the first rotation direction, the first transmission member 51 is separated from the second transmission member 52 when rotating to the first position, and the first transmission member 51 is in transmission connection with the first rotary drawer 3, so that the state of the first damper 20 can be controlled; the first transmission piece 51 is connected with the second transmission piece 52 when in the second position; when the first transmission piece 51 is at the third position, the second transmission piece 52 is in transmission connection with the second rotating shaft 4, and can control the state of the second air door 30; similarly, the first transmission member 51 can rotate in the reverse direction of the first rotation direction to improve the flexibility of control.

Further, with reference to fig. 6 to 9, in some embodiments of the present invention, the first rotating shaft 3 has a first door opening position and a first door closing position, and the second rotating shaft 4 has a second door opening position and a second door closing position, wherein the first transmission member 51 is adapted to drive the first rotating shaft 3 to rotate from the first door closing position to the first door opening position in the first position; the first transmission piece 51 is suitable for driving the second rotating shaft 4 to rotate from the second door-closing position to the second door-opening position in the third position; the first transmission piece 51 is suitable for driving the first rotating shaft 3 to rotate from the first door opening position to the first door closing position at the fourth position; the first transmission member 51 is adapted to drive the second rotating shaft 4 to rotate from the second door opening position to the second door closing position at the sixth position. That is, the first transmission member 51 may drive the first damper 20 and the second damper 30 to change from the closed state to the open state when rotating in the first rotation direction, and the first transmission member 51 may drive the first damper 20 and the second damper 30 to change from the open state to the closed state when rotating in the second rotation direction. Therefore, by controlling the rotation direction of the first transmission member 51 and adjusting the position of the first transmission member 51 in the rotation direction, the switching of the open/close state of the damper can be controlled, which is beneficial to realizing the control of the state of the damper and improving the use flexibility.

With reference to fig. 1 and 3, in some embodiments of the present invention, a first sector gear 512 is disposed on the first transmission member 51, a second sector gear 31 adapted to the first sector gear 512 is disposed on the first shaft 3, and the first sector gear 512 and the second sector gear 31 are switched between an engaged state and a disengaged state during the rotation of the first transmission member 51, that is, the first transmission member 51 is in transmission connection with the first shaft 3 when the first sector gear 512 and the second sector gear 31 are engaged with each other, and the first shaft 3 is not rotated when the first sector gear 512 and the second sector gear 31 are disengaged from each other, so as to control the movement of the first shaft 3. That is, the first sector gear 512 and the second sector gear 31 can define the rotation range of the first rotating shaft 3, which is beneficial to controlling the rotation of the first rotating shaft 3 and improving the operation stability. For example, the driving member 2 is connected to the first driving member 51 in a driving manner, when the first driving member 51 rotates, the first sector gear 512 is engaged with the second sector gear 31 to drive the first rotating shaft 3 to rotate, when the first sector gear 512 is separated from the second sector gear 31, the first rotating shaft 3 does not rotate, when the first driving member 51 rotates to engage with the first shifting member 511 and the second shifting member 522 of the second driving member 52, the second driving member 52 can be driven to rotate the second rotating shaft 4, and thus, the first driving member 51 can respectively drive the first rotating shaft 3 and the second rotating shaft 4 to rotate.

With reference to fig. 3, in some embodiments of the present invention, the second sector gear 31 is respectively provided with the first receiving groove 301 along both ends of the circumference of the first shaft 3, the first transmission member 51 is embedded into the first receiving groove 301 when the first sector gear 512 and the second sector gear 31 are separated from each other, so that the first shaft 3 can be positioned at a predetermined position, thereby improving the stability of the first shaft 3 when operating in a non-rotation state, further improving the stability of the first sector gear 512 and the second sector gear 31 when operating in a non-rotation state, and avoiding the gear from being blocked in an operation process.

Further, with reference to fig. 3, in some embodiments of the present invention, the first transmission member 51 includes a first limiting ring 513, the first limiting ring 513 is extended along a circumferential direction of the first transmission member 51 and is configured to have an open ring shape, the first sector gear 512 is disposed at an opening of the first limiting ring 513, and the first limiting ring 513 is embedded into the first accommodating groove 301 when the first sector gear 512 and the second sector gear 31 are separated from each other to position the second sector gear 31, so as to prevent the first shaft 3 from shaking. The opening of the first retaining ring 513 faces the second sector gear, and the first sector gear 512 and the second sector gear 31 at the opening of the first retaining ring 513 are engaged with each other.

In some embodiments of the present invention, the second transmission member 52 is provided with a third sector gear 523, the second rotating shaft 4 is provided with a fourth sector gear 41 adapted to the third sector gear 523, and the third sector gear 523 and the fourth sector gear 41 are switched between the engaged and separated states in the rotation process of the second transmission member 52. That is, the second transmission member 52 is in transmission connection with the second rotating shaft 4 when the third sector gear 523 and the fourth sector gear 41 are engaged with each other, and the second rotating shaft 4 is not rotated when the third sector gear 523 and the fourth sector gear 41 are separated from each other, so as to control the movement of the second rotating shaft 4. That is, the third sector gear 523 and the fourth sector gear 41 may define a rotation range of the first rotating shaft 3, which is beneficial to controlling the rotation of the second rotating shaft 4, and may improve the stability of the operation.

Referring to fig. 2, in some embodiments of the present invention, when the first transmission member 51 is in transmission connection with the second transmission member 52, the first sector gear 512 and the second sector gear 31 are dislocated along the circumferential direction of the first transmission member 51 or the second transmission member 52, and the first sector gear 512 and the second sector gear 31 are separated from each other. That is, when the first transmission member 51 drives the second transmission member 52 to rotate, the first rotating shaft 3 is not moved, and the second rotating shaft 4 can be controlled independently, which is beneficial to realizing the respective control of the rotating shafts and improving the functionality of the driving device 10.

With reference to fig. 3, in some embodiments of the present invention, the second receiving groove 402 is respectively disposed at both ends of the fourth sector gear 41 along the circumferential direction of the second rotating shaft 4, the second transmission member 52 is embedded into the second receiving groove 402 when the second sector gear 31 and the fourth sector gear 41 are separated from each other, so as to position the second rotating shaft 4 at a predetermined position, so as to improve the stability of the second rotating shaft 4 in the non-rotating state, and further improve the stability of the cooperation between the third sector gear 523 and the fourth sector gear 41, thereby avoiding the gear from being jammed in the operating process. For example, when the driving apparatus 10 is applied to the damper assembly 100 of the refrigerator, the first and second

rotating shafts

3 and 4 may maintain the state of the damper and contribute to improvement of stability and reliability of operation.

Referring to fig. 3, in some embodiments of the present invention, the second transmission member 52 includes a second limiting ring 524, the second limiting ring 524 is extended along the circumferential direction of the second transmission member 52 and is configured to have an open ring shape, the third sector gear 523 is disposed at the opening of the second limiting ring 524, and the second limiting ring 524 is embedded in the second accommodating groove 402 when the third sector gear 523 and the fourth sector gear 41 are separated from each other to position the fourth sector gear 41, so as to prevent the first shaft 3 from shaking. The opening of the second stopper ring 524 faces the fourth sector gear 41, and the third sector gear 523 at the opening of the second stopper ring 524 is intermeshed with the fourth sector gear 41.

With reference to fig. 3 and fig. 4, in some embodiments of the present invention, the second transmission member 52 is provided with a first positioning block 521, the bracket 1 is provided with a first limiting block 111 and a second limiting block 112, the first limiting block 111 and the second limiting block 112 are arranged along the circumferential direction of the second transmission member 52, and the first positioning block 521 is limited between the first limiting block 111 and the second limiting block 112, so as to improve the operation stability of the second transmission member 52. Specifically, the first limiting block 521 is stopped between the first limiting block 111 and the second limiting block 112, so that the movable range or the movement limit position of the second transmission member 52 can be defined. The second transmission member 52 may have a circular shape, and the first positioning block 521 may be disposed on an outer circumferential surface of the second transmission member 52 and protrude outward.

Referring to fig. 4, in some embodiments of the present invention, the third stopper 113 is disposed on the bracket 1, the limiting groove is disposed on the second transmission member 52, the limiting groove extends along the circumferential direction of the second transmission member 52, and the third stopper 113 is movably embedded into the limiting groove, so as to improve the operation stability of the second transmission member 52. Specifically, the third limiting block 113 can be limited at the two circumferential ends of the limiting groove, and when the second transmission member 52 rotates, the limiting groove moves relative to the third limiting block 113, and when the limiting groove moves to the limit position, the limiting groove abuts against the third limiting block 113 to limit the moving track of the second transmission member 52. The second transmission part 52 can be in a ring shape, an annular groove is formed in one side, facing the support 1, of the second transmission part 52, separating ribs are arranged in the annular groove, and a limiting groove is formed between the two separating ribs, so that the structure is simplified, and the light weight of parts is realized.

Alternatively, only the first limiting block 111 and the second limiting block 112 may be disposed on the bracket 1, and only the first positioning block 521 is disposed on the second transmission piece 52, so as to limit the movement range of the second transmission piece 52. Alternatively, only the third limiting block 113 is disposed on the bracket 1, and the limiting groove is disposed on the second transmission member 52 to limit the movement range of the second transmission member 52. Still can be, set up first stopper 111, second stopper 112 and third stopper 113 simultaneously on support 1, set up first locating piece 521 and spacing groove simultaneously on second driving medium 52, from this, can all carry on spacingly in the inside and the outside of second driving medium 52, can avoid a certain limit structure to become invalid, improve operating stability and reliability.

With reference to fig. 2, in some embodiments of the present invention, the first rotating shaft 3 and the second rotating shaft 4 are coaxially disposed, so as to facilitate the reduction of load, improve the supporting performance, improve the structural stability, and facilitate the spatial arrangement.

With reference to fig. 3, in some embodiments of the present invention, the end of one of the first rotating shaft 3 and the second rotating shaft 4 is provided with a shaft hole 401, and the end of the other of the first rotating shaft 3 and the second rotating shaft 4 is rotatably embedded in the shaft hole 401, so as to realize coaxial arrangement and have high structural stability. According to the utility model discloses drive arrangement 10 is equipped with shaft hole 401 on the second pivot 4, and the tip of first pivot 3 can imbed shaft hole 401 with rotating.

In some embodiments of the present invention, the transmission assembly is separated from the second rotating shaft 4 in the first state, and the transmission assembly is separated from the first rotating shaft 3 in the second state. That is to say, the transmission assembly can be respectively in transmission connection with the first rotating shaft 3 and the second rotating shaft 4, and the first rotating shaft 3 and the second rotating shaft 4 can be controlled independently, which is beneficial to simplifying the structure of the driving device 10 and improving the application flexibility.

With reference to fig. 5 to 9, a damper assembly 100 according to an embodiment of the present invention includes: in the driving device 10, the first damper 20 and the second damper 30, the first damper 20 is connected to the first rotating shaft 3, and the second damper 30 is connected to the second rotating shaft 4, so that the first rotating shaft 3 can control the opening and closing of the first damper 20 when rotating, and the second rotating shaft 4 can control the opening and closing of the second damper 30 when rotating.

According to the utility model discloses air door subassembly 100, first air door 20 and second air door 30 can connect drive arrangement 10 simultaneously, and drive arrangement 10 can realize first air door 20 and second air door 30's control, do benefit to the structure of simplifying air door subassembly 100, realize independent control.

Referring to fig. 5, in some embodiments of the present invention, the first damper 20 may include a first door body and a first frame body, the first frame body is connected to the bracket 1 of the driving device 10, a side of the first door body is rotatably connected between the first rotating shaft 3 and the first frame body, and the first rotating shaft 3 rotates to drive the first door body to open or close the first frame body. Similarly, the second damper 30 includes a second door body and a second frame body, the second frame body is connected to the bracket 1 of the driving device 10, the side of the second door body is rotatably connected between the second rotating shaft 4 and the second frame body, and the second rotating shaft 4 rotates to drive the second door body to open or close the second frame body.

In actual use, with reference to fig. 6 to 9, the first frame body is fixedly connected with the circumferential edge of one side end face of the bracket 1 through a screw, and the first rotating shaft 3 extends out of the bracket 1 to be suitable for being in transmission connection with the first door body; the second frame body is fixedly connected with the periphery of the end face of the other side of the support 1 through screws, and the second rotating shaft 4 extends out of the support 1 to be suitable for being in transmission connection with the second door body. In conjunction with the foregoing, the driving member 2 of the driving device 10 drives the transmission assembly to operate, and the transmission assembly can drive the first rotating shaft 3 to rotate forward or backward in the first state so as to control the opening and closing of the first damper 20, that is, the transmission assembly is in transmission connection with the first rotating shaft 3, and the transmission assembly is in the first state (see fig. 6 and 7); the transmission assembly can drive the second rotating shaft 4 to rotate forward or backward to control the opening and closing of the second damper 30 in the second state (see fig. 6 and 9), that is, the transmission assembly is in transmission connection with the second rotating shaft 4, and the transmission assembly is in the second state (see fig. 6 and 9), wherein the transmission assembly can be that when the first damper 20 is opened or closed, the second damper 30 is not moved, or when the second damper 30 is opened or closed, the first damper 20 is kept still, and the independent control of the first damper 20 and the second damper 30 can be realized (see fig. 7 and 9).

According to the utility model discloses refrigerator, include: the air door assembly 100 comprises a box body and the air door assembly, wherein a first chamber, a second chamber and an air channel are arranged in the box body, the air channel is respectively connected with the first chamber and the second chamber, the first air door 20 is used for adjusting the opening degree between the first chamber and the air channel, and the second air door 30 is used for adjusting the opening degree between the second chamber and the air channel.

The utility model discloses an in some embodiments, can have the refrigerating plant wind channel in the refrigerator and connect between refrigerating plant, first compartment and second compartment, the wind channel has air intake and air outlet, and wherein, air intake intercommunication refrigerating plant, air outlet can communicate first compartment and second compartment. The first damper 20 and the second damper 30 may be connected to the air inlet, and cool air may be supplied to the compartment through the duct when the dampers are opened, thereby adjusting the temperature of the compartment, and when the compartment reaches a predetermined temperature, the dampers are closed.

For example, the first compartment and the second compartment may be a fresh food compartment and a temperature-changing compartment, and the opening degree between the first damper 20 and the second damper 30 and the air duct may be adjusted according to the temperature conditions of the different compartments, so as to adjust the compartment temperature.

The driving apparatus 10, the damper assembly 100, and the refrigerator according to one embodiment of the present invention will be described with reference to the accompanying drawings.

With reference to fig. 1 to 9, according to the driving device 10 of the embodiment of the present invention, the driving device 10 is suitable for being applied to the damper assembly 100, and the damper assembly 100 is suitable for being applied to a refrigerator. The drive device 10 includes: support 1, transmission assembly, driving piece 2, first pivot 3 and second pivot 4, wherein, first pivot 3 and the 4 coaxial coupling of second pivot, and rotationally be connected with support 1 respectively, driving piece 2 drive transmission assembly rotates, transmission assembly has first state and second state, transmission assembly is connected with the transmission of first pivot 3 under the first state, transmission assembly is connected with the transmission of second pivot 4 under the second state, thereby can control opening and closing of first air door 20 and second air door 30, realize independent control.

Specifically, with reference to fig. 1 to 3, the transmission assembly includes a first transmission member 51 and a second transmission member, a first toggle member 511 is disposed on the first transmission member 51, and the first toggle member 511 is disposed on a side surface of the first transmission member 51 in a protruding manner along a direction facing the second transmission member 52; the second transmission member 52 is provided with a second toggle member 522, and the second toggle member 522 is convexly provided on a side surface of the second transmission member 52 along a direction facing the first transmission member 51. The first toggle piece 511 and the second toggle piece 522 are circumferentially opposite, and when the first toggle piece 511 and the second toggle piece 522 are connected, the first transmission piece 51 and the second transmission piece 52 are mutually transmitted; when the first toggle piece 511 and the second toggle piece 522 are separated, the first transmission piece 51 and the second transmission piece 52 are separated from each other.

The first transmission member 51 is connected with a first gear 53, the first gear 53 is coaxially connected with the first transmission member 51, the rotating shaft of the driving member 2 is provided with a second gear 21, and the second gear 21 is meshed with the first gear 53, so that the first transmission member 51 is driven to rotate. The first transmission member 51 is provided with a first sector gear 512 in the circumferential direction, the first shaft 3 is provided with a second sector gear 31 in the circumferential direction, the first sector gear 512 and the second sector gear 31 can drive the first shaft 3 to rotate when being meshed with each other, and the first shaft 3 stops rotating when being separated from each other. The second sector gear 31 is provided with a first receiving groove 301 along two circumferential ends of the first rotating shaft 3, and the first transmission member 51 is inserted into the first receiving groove 301 when the first sector gear 512 and the second sector gear 31 are separated. That is, when the driving device 10 is applied to the damper assembly 100 of the refrigerator, the first sector gear 512 and the second sector gear 31 are engaged with each other, the opening degree of the first damper 20 can be adjusted, when the first sector gear 512 and the second sector gear are separated, the two first receiving grooves 301 at the two circumferential ends of the first rotating shaft 3 can position the first damper 20 in the door opening state or the door closing state, thereby improving the stability of damper adjustment, so that the damper is not easily affected by the airflow in the air duct, and the second sector gear 31 of the first rotating shaft 3 is kept stationary after being separated from the first sector gear 512, and is beneficial to the first sector gear 512 to be engaged with the second sector gear 31 again when being rotated to the predetermined position, thereby improving the stability of device operation.

The circumferential direction of the second transmission member 52 is provided with a third sector gear 523, the circumferential direction of the second rotating shaft 4 is provided with a fourth sector gear 41, the third sector gear 523 and the fourth sector gear 41 can drive the second rotating shaft 4 to rotate when being meshed with each other, and the second rotating shaft 4 stops rotating when being separated from each other. The second receiving grooves 402 are respectively formed at two circumferential ends of the fourth sector gear 41 along the second rotating shaft 4, and the second transmission member 52 is embedded into the second receiving grooves 402 when the third sector gear 523 is separated from the fourth sector gear 41. According to the foregoing, when the driving device 10 is applied to the damper assembly 100 of the refrigerator, the second transmission member 52 is engaged with the second rotating shaft 4 in the same manner as the first transmission member 51 is engaged with the first rotating shaft 3, so that the damper correspondingly connected to the second rotating shaft 4 can be stably operated and can be stably maintained in a closed or opened state.

More specifically, referring to fig. 3, a plurality of racks are arranged at intervals in the circumferential direction of the second sector gear 31, wherein, in the axial direction of the second sector gear 31, one end of at least one rack is flush with the other racks, and the other end is shorter than the other racks, so as to construct the first receiving groove 301 with the racks on both sides in the circumferential direction. The first transmission member 51 includes a first limiting ring 513, and the first sector gear 512 is disposed at an opening of the first limiting ring 513 and protrudes out of an upper surface of the first limiting ring 513, so that when the first sector gear 512 rotates to mesh with the second sector gear 31, the rack of the first sector gear 512 is matched with the rack of the first accommodating cavity. The third sector gear 523 and the sector gear are arranged in the same manner, and will not be described herein again.

The driving member may be a motor, and the driving torque of the motor, the reduction ratio between the motor and the first gear 53, and the like are adjustable values.

Further, with reference to fig. 4 and 5, the bracket 1 includes a first housing 11 and a second housing 12, the first housing 11 and the second housing 12 are fastened to form a containing cavity, the driving member 2 and the transmission assembly are disposed in the containing cavity, and a portion of the first rotating shaft 3 and a portion of the second rotating shaft 4 extend out of the first housing 11 and the second housing 12 so as to be connected to the first damper 20 and the second damper 30. The inner surface of the first housing 11 is provided with a first stopper 111, a second stopper 112 and a third stopper 113 suitable for limiting the second transmission member 52, and the periphery of the first housing 11 is further provided with a waterproof groove 101 and a groove portion 102 for accommodating a wire sealing ring, so that the waterproof performance and the sealing performance of the driving device 10 can be improved, and the durability of the driving device 10 can be further improved.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like are used in the positional or orientational relationships indicated in the drawings, and are merely for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A drive device, comprising:

the air conditioner comprises a support, a first air door and a second air door, wherein the support is provided with a first rotating shaft used for connecting the first air door and a second rotating shaft used for connecting the second air door, the first rotating shaft and the second rotating shaft are respectively and rotatably connected with the support, and the first rotating shaft and the second rotating shaft can rotate relatively;

a transmission assembly having a first state and a second state, the transmission assembly being in driving connection with the first rotating shaft and being separated from the second rotating shaft in the first state, and the transmission assembly being in driving connection with the second rotating shaft and being separated from the first rotating shaft in the second state;

the driving piece is in transmission connection with the transmission assembly and is suitable for driving the transmission assembly to switch between a first state and a second state.

2. The drive of claim 1, wherein the transmission assembly comprises:

the first transmission piece is in transmission connection with the driving piece and is in detachable transmission connection with the first rotating shaft;

a second transmission piece which is rotatable relative to the first transmission piece and is switchable between a transmission connection state and a mutual separation state, and is in transmission connection with the second rotating shaft,

when the transmission assembly is in the first state, the first transmission piece and the second transmission piece are separated from each other, and the first transmission piece is in transmission connection with the first rotating shaft; the transmission assembly is in transmission connection with the first transmission piece and the second transmission piece in the second state, the first transmission piece is separated from the first rotating shaft, and the second transmission piece is in transmission connection with the second rotating shaft.

3. The drive device according to claim 2, wherein the first transmission member and the second transmission member are coaxially engaged, the first transmission member is provided with a first toggle member, the second transmission member is provided with a second toggle member, and the first toggle member and the second toggle member are opposed to each other in a circumferential direction of the first transmission member or the second transmission member, so that the first transmission member and the second transmission member are switchable between a mutually transmitting state and a mutually separating state.

4. A drive arrangement as claimed in claim 3 wherein the first transmission member has, in order in a first rotational direction, a first position in which the transmission assembly is in the first state, a second position and a third position; when the first transmission piece is at the second position, the first shifting piece is abutted with the second shifting piece; the transmission assembly is located in the second state when the first transmission member is in the third position;

the first transmission piece is sequentially provided with a fourth position, a fifth position and a sixth position in a second rotating direction, and the transmission assembly is located in the first state when the first transmission piece is located at the fourth position; when the first transmission piece is at the fifth position, the first shifting piece is abutted with the second shifting piece; the transmission assembly is located in the second state when the first transmission member is in the sixth position;

wherein the first and second rotational directions are opposite directions.

5. The drive of claim 4, wherein the first shaft has a first open door position and a first closed door position and the second shaft has a second open door position and a second closed door position,

the first transmission piece is suitable for driving the first rotating shaft to rotate from the first door closing position to the first door opening position at the first position; the first transmission piece is suitable for driving the second rotating shaft to rotate from the second door closing position to the second door opening position in the third position; the first transmission piece is suitable for driving the first rotating shaft to rotate from the first door opening position to the first door closing position at the fourth position; the first transmission piece is suitable for driving the second rotating shaft to rotate from the second door opening position to the second door closing position in the sixth position.

6. The drive device according to claim 2, wherein the first transmission member is provided with a first sector gear, the first rotary shaft is provided with a second sector gear fitted to the first sector gear, and the first sector gear and the second sector gear are switched between a state of being engaged with and a state of being disengaged from each other during rotation of the first transmission member.

7. The driving device as claimed in claim 6, wherein the second sector gear has first receiving slots respectively formed at two ends thereof along the circumferential direction of the first rotating shaft, and the first transmission member is inserted into the first receiving slots when the first sector gear and the second sector gear are separated from each other.

8. The driving apparatus as claimed in claim 7, wherein the first transmission member includes a first limiting ring, the first limiting ring is extended along a circumferential direction of the first transmission member and is configured to have an open ring shape, the first sector gear is disposed at the opening of the first limiting ring, and the first limiting ring is inserted into the first receiving groove when the first sector gear and the second sector gear are separated from each other.

9. The drive device according to claim 6, wherein the second transmission member is detachably connected to the second rotating shaft in a transmission manner,

the second transmission part is provided with a third sector gear, the second rotating shaft is provided with a fourth sector gear matched with the third sector gear, and the third sector gear and the fourth sector gear are switched between the states of mutual meshing and mutual separation in the rotating process of the second transmission part.

10. A drive arrangement according to claim 9 wherein the first and second gear segments are circumferentially offset in relation to the first or second drive member when the first and second drive members are drivingly connected.

11. The driving apparatus as claimed in claim 9, wherein the fourth sector gear has second receiving grooves respectively formed at two ends thereof along the circumferential direction of the second rotating shaft, and the second transmission member is inserted into the second receiving grooves when the second sector gear and the fourth sector gear are separated from each other.

12. The driving apparatus as claimed in claim 11, wherein the second transmission member includes a second limiting ring, the second limiting ring is extended along a circumferential direction of the second transmission member and is configured to have an open ring shape, the third sector gear is provided at the opening of the second limiting ring, and the second limiting ring is inserted into the second receiving groove when the third sector gear and the fourth sector gear are separated from each other.

13. The driving device according to claim 2, wherein a first positioning block is disposed on the second transmission member, a first limiting block and a second limiting block are disposed on the bracket, the first limiting block and the second limiting block are arranged along the circumferential direction of the second transmission member, and the first positioning block is limited between the first limiting block and the second limiting block.

14. The driving device according to claim 2, wherein a third limiting block is disposed on the bracket, a limiting groove is disposed on the second transmission member, the limiting groove extends along a circumferential direction of the second transmission member, and the third limiting block is movably embedded in the limiting groove.

15. The drive of claim 1, wherein the first and second shafts are coaxially disposed.

16. The driving apparatus as claimed in claim 15, wherein an end portion of one of the first rotating shaft and the second rotating shaft is provided with a shaft hole, and an end portion of the other of the first rotating shaft and the second rotating shaft is rotatably fitted into the shaft hole.

17. A damper assembly, comprising:

a drive arrangement according to any one of claims 1-16;

the first air door is connected with the first rotating shaft;

and the second air door is connected with the second rotating shaft.

18. A refrigerator, characterized by comprising:

the air duct is connected with the first compartment and the second compartment respectively;

the damper assembly of claim 17, said first damper being adapted to adjust the degree of opening between said first compartment and said duct, said second damper being adapted to adjust the degree of opening between said second compartment and said duct.