CN218267157U - Switching gear mechanism, door opening and closing device, refrigerator and household appliance - Google Patents
Switching gear mechanism, door opening and closing device, refrigerator and household appliance Download PDFInfo
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- CN218267157U CN218267157U CN202221870281.2U CN202221870281U CN218267157U CN 218267157 U CN218267157 U CN 218267157U CN 202221870281 U CN202221870281 U CN 202221870281U CN 218267157 U CN218267157 U CN 218267157U
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- gear
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- door opening
- door
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Abstract
The utility model belongs to the technical field of electrical equipment, a switch gear mechanism, door opening and closing device, refrigerator and domestic appliance are disclosed. The switching gear mechanism is used for opening and closing a door device, the door opening and closing device comprises a door opening assembly and a door closing assembly, and the switching gear mechanism comprises a driving mechanism, a transmission mechanism and a switching assembly. Wherein the drive mechanism is capable of forward and reverse rotation. The driving mechanism is in driving connection with the transmission mechanism, and the transmission mechanism is used for transmitting the rotation of the driving mechanism. The switching component is in transmission connection with the transmission mechanism. When the driving mechanism rotates forwards, the transmission mechanism drives the switching assembly to be in transmission connection with the door opening assembly. When the driving mechanism rotates reversely, the transmission mechanism drives the switching assembly to be in transmission connection with the door closing assembly. The switching gear mechanism can drive the door opening assembly and the door closing assembly through one driving mechanism, so that the number of parts of the door opening and closing device is reduced, and the cost is reduced.
Description
Technical Field
The utility model relates to an electrical equipment technical field especially relates to a switch gear mechanism, door opening and closing device, refrigerator and domestic appliance.
Background
With the improvement of living standard of people, automatic electric equipment is gradually favored by people. As an essential household appliance for daily life of people, a refrigerator is generally provided with an automatic door opening and closing device for the convenience of users.
The automatic door opening and closing device for the household appliances such as the refrigerator and the like at present mostly adopts two driving mechanisms to respectively drive the door opening assisting mechanism and the door closing assisting mechanism to overcome the great resistance of the initial stage of opening the door and the final stage of closing the door, and the structural design ensures that the whole door opening and closing device for the refrigerator has more parts, larger volume, larger occupied space, fussy installation procedure and higher cost.
Therefore, it is desirable to provide a switching gear mechanism, a door opening and closing device and a refrigerator to solve the above problems.
SUMMERY OF THE UTILITY MODEL
According to the utility model discloses an aspect, the utility model provides a switch gear mechanism can open the door subassembly and close the door subassembly through a actuating mechanism drive, has reduced the part quantity of switch door gear, the cost is reduced.
To achieve the purpose, the utility model adopts the following technical proposal:
a switching gear mechanism for opening and closing a door apparatus including a door opening assembly and a door closing assembly, the switching gear mechanism comprising:
a drive mechanism capable of forward and reverse rotation;
the transmission mechanism is in driving connection with the driving mechanism and is used for transmitting the rotation of the driving mechanism;
the switching assembly is in transmission connection with the transmission mechanism;
when the driving mechanism rotates forwards, the transmission mechanism drives the switching assembly to be in transmission connection with the door opening assembly;
when the driving mechanism rotates reversely, the transmission mechanism drives the switching assembly to be in transmission connection with the door closing assembly.
Optionally, the switching component comprises:
the switching gear is in transmission connection with the transmission mechanism and is provided with a cylindrical bulge;
the switching gear is sleeved on the rotating shaft, a sliding groove is formed in a shell of the door opening and closing device, and the rotating shaft is connected with the sliding groove in a sliding mode;
the boss is arranged on the shell;
when the driving mechanism rotates forwards, the transmission mechanism drives the protrusions to roll on the bosses until the switching gear is in transmission connection with the door opening assembly;
when the driving mechanism rotates reversely, the transmission mechanism drives the protrusion to roll on the boss until the switching gear is in transmission connection with the door closing assembly.
Optionally, the sliding groove is arc-shaped.
Optionally, when the switching gear is in transmission connection with the door opening assembly, the protrusion is separated from the boss; and
when the switching gear is in transmission connection with the door closing assembly, the protrusion is separated from the boss.
Optionally, the switching assembly includes a sun gear, a planet gear meshed with the sun gear, and a planet carrier, the sun gear is rotatably connected to the casing of the door opening and closing assembly, the planet carrier is rotatably connected to the casing, the planet gear is rotatably connected to the planet carrier, and when the driving mechanism drives the sun gear to rotate in the forward direction, the sun gear drives the planet carrier to rotate to a first position through the planet gear, so that the planet gear is in transmission connection with the door closing assembly; when the driving mechanism drives the sun wheel to rotate reversely, the sun wheel can drive the planet support to rotate to a second position through the planet wheel, so that the planet wheel is in transmission connection with the door opening assembly.
Optionally, the transport mechanism comprises:
the driving mechanism is in driving connection with the worm;
and one side of the worm wheel is meshed with the worm, and the other side of the worm wheel is meshed with the switching gear.
Optionally, the worm gear is a duplicate gear, and the worm gear comprises a first gearwheel and a first pinion;
the first gearwheel is engaged with the worm, and the first pinion is engaged with the switching gear.
Optionally, the switching gear is a duplicate gear, and the switching gear includes a second bull gear and a second pinion gear;
the first pinion is meshed with the second gearwheel, and the second pinion can be in transmission connection with the door opening assembly and the door closing assembly.
According to the utility model discloses a another aspect, the utility model discloses still provide a switch door gear, simple structure, the cost is lower.
To achieve the purpose, the utility model adopts the following technical proposal:
a door opening and closing device comprises a door opening assembly, a door closing assembly and the switching gear mechanism.
According to the utility model discloses a still another aspect, the utility model discloses still provide a refrigerator, have the automatic function of opening the door and closing the door.
To achieve the purpose, the utility model adopts the following technical proposal:
a refrigerator comprises the door opening and closing device.
The utility model has the advantages that:
the utility model provides a switch gear mechanism, including actuating mechanism, transmission device and switching module. Through setting up the switching component, when actuating mechanism corotation, the switching component is connected with the transmission of the subassembly that opens the door, makes the work of the subassembly that opens the door, accomplishes the action of opening the door. When the driving mechanism rotates reversely, the switching assembly is in transmission connection with the door closing assembly, so that the door closing assembly works to complete the door closing action. The purpose of completing the door opening action and the door closing action through one driving mechanism is realized. Compared with the prior art in which two driving mechanisms are arranged to respectively drive the door opening assisting mechanism and the door closing assisting mechanism, the door opening assisting mechanism has the advantages that the number of parts is reduced, the occupied space is reduced, the structure is simplified, and the installation difficulty and the production cost are further reduced.
The utility model also provides a switch door gear, simple structure, the cost is lower.
The utility model also provides a refrigerator has the function of automatic opening the door and closing the door.
The utility model also provides a domestic appliance has the function that the automatic door opened and closed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a switching gear mechanism provided in an embodiment of the present invention;
fig. 2 is a perspective view of a switching assembly provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a switching gear provided by the embodiment of the present invention;
fig. 4 is a schematic structural diagram of the conveying mechanism of the present invention.
In the figure:
100. a door opening assembly; 200. a door closing assembly; 300. a drive mechanism; 400. a transport mechanism; 410. a worm; 420. a worm gear; 421. a first bull gear; 422. a first pinion gear; 500. a switching component; 510. a switching gear; 511. a second bull gear; 512. a second pinion gear; 520. a protrusion; 530. a rotating shaft; 540. a boss; 600. a sliding groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
The utility model provides a switch gear mechanism can open the door and close the door action through the drive of a actuating mechanism 300 drive, has reduced the part quantity of switch door gear, the cost is reduced.
Specifically, as shown in fig. 1, the switching gear mechanism includes a drive mechanism 300, a transmission mechanism 400, and a switching assembly 500. The driving mechanism 300 can rotate forward and backward, the driving mechanism 300 is in driving connection with the transmission mechanism 400, and the driving mechanism 300 can drive the transmission mechanism 400 to rotate. The switching assembly 500 is drivingly connected to the transmission mechanism 400. In this embodiment, when the driving mechanism 300 rotates forward, the transmission mechanism 400 drives the switching component 500 to be in transmission connection with the door opening component 100, so that the door opening component 100 operates to complete the door opening operation; when the driving mechanism 300 rotates reversely, the transmission mechanism 400 drives the switching assembly 500 to be in transmission connection with the door closing assembly 200, so that the door closing assembly 200 works to complete the door closing action. Of course, in other embodiments, it may be provided that the door closing assembly 200 operates when the driving mechanism 300 rotates forward; when the driving mechanism 300 rotates reversely, the door opening assembly 100 operates, and may be set according to actual needs.
Through setting up the switching gear mechanism, can realize opening the door action and closing the door action switching under the condition that only sets up a actuating mechanism 300, compare with setting up two sets of drive arrangement drive action of opening the door and closing the door action in the prior art, simplified the quantity of spare part, practiced thrift occupation space, reduced manufacturing cost.
Further, as shown in fig. 2 and 3, the switching assembly 500 includes a switching gear 510, a rotating shaft 530, and a boss 540. The switching gear 510 is in transmission connection with the transmission mechanism 400, a protrusion 520 is arranged on the switching gear 510, and the protrusion 520 is cylindrical. The shell of the door opening and closing device is provided with a sliding groove 600, the rotating shaft 530 is connected with the sliding groove 600 in a sliding manner, the switching gear 510 is sleeved on the rotating shaft 530, and the switching gear 510 is connected with the rotating shaft 530 in a rotating manner. The boss 540 is disposed on the housing, when the driving mechanism 300 rotates forward, the transmission mechanism 400 drives the switching gear 510 to move toward the door opening assembly 100, at this time, the protrusion 520 rolls on the boss 540, and at the same time, the rotating shaft 530 slides relative to the sliding groove 600 until the switching gear 510 is in transmission connection with the door opening assembly 100, the protrusion 520 stops rolling, and then under the driving force of the transmission mechanism 400, the switching gear 510 continues to rotate to drive the door opening assembly 100 to operate. When the driving mechanism 300 rotates reversely, the transmission mechanism 400 drives the switching gear 510 to move in a direction close to the door closing assembly 200, at this time, the protrusion 520 rolls on the boss 540, and the rotating shaft 530 slides relative to the sliding groove 600, until the switching gear 510 is in transmission connection with the door closing assembly 200, the protrusion 520 stops rolling, and then the switching gear 510 continues to rotate under the driving force of the transmission mechanism 400, so as to drive the door closing assembly 200 to operate. The switching gear 510 is moved by the cooperation of the cylindrical protrusion 520 and the boss 540, so that the switching between the door opening and the door closing is realized.
Preferably, in order to avoid the influence on the stability of the rotation of the switching gear 510 caused by the friction force generated by the contact between the protrusion 520 and the boss 540 when the switching gear 510 drives the door opening assembly 100 to work, the length of the boss 540 is set appropriately as required, so that the protrusion 520 is separated from the boss 540 when the switching gear 510 is in transmission connection with the door opening assembly 100. Similarly, in order to avoid the friction generated by the contact between the protrusion 520 and the boss 540 when the switching gear 510 drives the door closing assembly 200 to operate, and thus the stability of the rotation of the switching gear 510 is affected, the length of the boss 540 is set appropriately according to the requirement, so that the protrusion 520 is separated from the boss 540 when the switching gear 510 is in transmission connection with the door closing assembly 200.
Further, since the projection 520 of the switching gear 510 abuts against the top end surface of the slide groove 600, in order to avoid the projection 540 from contacting the switching gear 510 due to the height of the projection 540 being too high and to increase the frictional force, the length of the projection 520 protruding from the switching gear 510 may be set to be longer than the length of the projection 540 protruding from the top end surface of the slide groove 600. In the present embodiment, the boss 540 is provided on the side of the slide groove 600 away from the drive mechanism 300.
Further, in order to ensure that the switching gear 510 is always engaged with the worm gear 420 in the moving process, the sliding groove 600 is configured to be a circular arc shape, so that when the rotating shaft 530 is located at any position of the sliding groove 600, the distance between the rotating shaft 530 and the center of the worm gear 420 is the same.
Preferably, in order to improve the position stability of the rotating shaft 530, when the switching gear 510 is in transmission connection with the door opening assembly 100, the rotating shaft 530 is engaged with a groove wall on one side of the sliding groove 600. When the switching gear 510 is in transmission connection with the door closing assembly 200, the rotating shaft 530 is engaged with the groove wall on the other side of the sliding groove 600.
Further, in order to ensure that the protrusion 520 of the switching gear 510 can roll on the boss 540 during the movement of the switching gear 510, the boss 540 also needs to be configured in a circular arc shape.
Preferably, in order to ensure that the switching gear 510 can be in transmission connection with the door opening assembly 100 effectively, a line connecting the center of the first transmission gear of the door opening assembly 100 and the center of the rotating shaft 530 is defined as a line segment a, a line connecting the center of the rotating shaft 530 and the center of the worm gear 420 is defined as a line segment b, and a line connecting the center of the second transmission gear of the door closing assembly 200 and the center of the rotating shaft 530 is defined as a line segment c. The included angle between the line segment a and the line segment b is more than 120 degrees, and the included angle between the line segment c and the line segment b is more than 120 degrees. Wherein the first transmission gear can be engaged with the switching gear 510, and the second transmission gear can be engaged with the switching gear 510.
Further, as shown in fig. 4, the transmission mechanism 400 includes a worm 410 and a worm gear 420. The driving mechanism 300 is in driving connection with the worm 410, and is used for driving the worm 410 to rotate. One side of the worm wheel 420 is engaged with the worm 410, and the other side is engaged with the switching gear 510, and the driving mechanism 300 transmits the rotation to the worm wheel 420 through the worm 410, and the worm wheel 420 rotates to drive the switching gear 510 to rotate.
Alternatively, in the present embodiment, the driving mechanism 300 is a motor. In other embodiments, the driving mechanism 300 may also be other mechanisms capable of outputting forward rotation and reverse rotation, such as a belt transmission mechanism, a gear train mechanism, and the like.
Preferably, the worm gear 420 is a duplicate gear including a first large gear 421 and a first small gear 422. The first large gear 421 is engaged with the worm 410, and the first small gear 422 is engaged with the switching gear 510. By providing the worm gear 420 as a dual gear and engaging the first pinion gear 422 with the switching gear 510, the rotational speed of the switching gear 510 can be reduced, and the switching gear 510 can rotate more smoothly.
Preferably, with continued reference to fig. 2 and 3, the switching gear 510 is a duplicate gear, the switching gear 510 including a second bull gear 511 and a second pinion gear 512. Wherein the second gearwheel 511 is engaged with the first pinion 422 of the worm gear 420, and the second pinion 512 is capable of being in driving connection with the door opening assembly 100 or the door closing assembly 200. By arranging the second large gear 511 to be meshed with the first small gear 422, the rotating speed of the switching gear 510 can be reduced, and the rotating smoothness of the switching gear 510 can be improved.
The utility model also provides a device for opening and closing door, including the subassembly 100 that opens the door, the subassembly 200 that closes the door and foretell switching gear mechanism. The door opening and closing device has the advantages of fewer parts, compact structure, higher installation efficiency and lower cost.
The utility model also provides a refrigerator, including foretell switch door gear. The refrigerator can realize automatic door opening and closing, and has the advantages of simple structure and lower cost.
The utility model also provides a domestic appliance, including foretell switch door gear. The household appliance can realize automatic door opening and closing, and has the advantages of simple structure and lower cost.
Example two
The present embodiment provides a switching gear mechanism having substantially the same structure as that of the first embodiment, and is improved only on the basis of the first embodiment. Therefore, only the difference between the two embodiments will be described, and the same structure as that of the embodiment will not be described herein again.
In this embodiment, the switching assembly 500 includes a sun gear, a planet gear meshed with the sun gear, and a planet carrier, the sun gear is rotatably connected to the casing of the door opening and closing device, the planet carrier is rotatably connected to the casing of the door opening and closing device, the planet gear is rotatably connected to the planet carrier, when the driving mechanism 300 drives the sun gear to rotate in the forward direction, the sun gear drives the planet carrier to rotate to the first position through the planet gear, so that the planet gear is in transmission connection with the door closing assembly 200; when the driving mechanism 300 drives the sun gear to rotate reversely, the sun gear can drive the planet support to rotate to the second position through the planet gear, so that the planet gear is in transmission connection with the door opening assembly 100. The two switching assembly schemes can drive the door opening assembly 100 and the door closing assembly 200 through one driving mechanism 300, thereby reducing the number of parts of the door opening and closing device and lowering the cost.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (11)
1. A switching gear mechanism for opening and closing a door apparatus including a door opening assembly (100) and a door closing assembly (200), the switching gear mechanism comprising:
a drive mechanism (300), the drive mechanism (300) being capable of forward and reverse rotation;
the transmission mechanism (400), the driving mechanism (300) is in driving connection with the transmission mechanism (400), and the transmission mechanism (400) is used for transmitting the rotation of the driving mechanism (300);
a switching component (500) in transmission connection with the transmission mechanism (400);
when the driving mechanism (300) rotates forwards, the transmission mechanism (400) drives the switching assembly (500) to be in transmission connection with the door opening assembly (100);
when the driving mechanism (300) rotates reversely, the transmission mechanism (400) drives the switching assembly (500) to be in transmission connection with the door closing assembly (200).
2. The switching gear mechanism according to claim 1, wherein the switching assembly (500) comprises:
the switching gear (510) is in transmission connection with the transmission mechanism (400), and a cylindrical protrusion (520) is arranged on the switching gear (510);
the switching gear (510) is sleeved on the rotating shaft (530), a sliding groove (600) is formed in a shell of the door opening and closing device, and the rotating shaft (530) is connected with the sliding groove (600) in a sliding mode;
a boss (540) disposed on the housing;
when the driving mechanism (300) rotates forwards, the transmission mechanism (400) drives the protrusion (520) to roll on the boss (540) until the switching gear (510) is in transmission connection with the door opening assembly (100);
when the driving mechanism (300) rotates reversely, the transmission mechanism (400) drives the protrusion (520) to roll on the boss (540) until the switching gear (510) is in transmission connection with the door closing assembly (200).
3. The switching gear mechanism according to claim 2, wherein the sliding groove (600) is circular arc shaped.
4. The switching gear mechanism according to claim 2, wherein the projection (520) is disengaged from the boss (540) when the switching gear (510) is drivingly connected to the door opening assembly (100); and
when the switching gear (510) is in driving connection with the door closing assembly (200), the projection (520) is disengaged from the boss (540).
5. The switching gear mechanism according to claim 1, wherein the switching assembly (500) comprises a sun gear, planet gears and a planet carrier, the sun gear is rotatably connected to the housing of the door opening and closing device, the planet carrier is rotatably connected to the housing, the planet gears are rotatably connected to the planet carrier, when the driving mechanism (300) drives the sun gear to rotate in the forward direction, the sun gear drives the planet carrier to rotate to a first position through the planet gears, so that the planet gears are in driving connection with the door closing assembly (200); when the driving mechanism (300) drives the sun wheel to rotate reversely, the sun wheel can drive the planet support to rotate to a second position through the planet wheel, so that the planet wheel is in transmission connection with the door opening assembly (100).
6. The switching gear mechanism according to any of claims 2 to 4, characterised in that the transmission mechanism (400) comprises:
a worm (410), wherein the driving mechanism (300) is in driving connection with the worm (410);
and a worm wheel (420) having one side engaged with the worm (410) and the other side engaged with the switching gear (510).
7. The switching gear mechanism according to claim 6, wherein the worm gear (420) is a duplicate gear, the worm gear (420) comprising a first gearwheel (421) and a first pinion (422);
the first gearwheel (421) meshes with the worm (410), and the first pinion (422) meshes with the switching gear (510).
8. The switching gear mechanism according to claim 7, wherein the switching gear (510) is a duplicate gear, the switching gear (510) comprising a second gearwheel (511) and a second pinion (512);
the first small gear (422) is meshed with the second large gear (511), and the second small gear (512) can be in transmission connection with the door opening assembly (100) and the door closing assembly (200).
9. A door opening and closing device, characterized by comprising a door opening assembly (100), a door closing assembly (200) and a switching gear mechanism according to any one of claims 1-8.
10. A refrigerator comprising the door opening and closing apparatus according to claim 9.
11. A domestic appliance comprising a door opening and closing device according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221870281.2U CN218267157U (en) | 2022-07-08 | 2022-07-08 | Switching gear mechanism, door opening and closing device, refrigerator and household appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221870281.2U CN218267157U (en) | 2022-07-08 | 2022-07-08 | Switching gear mechanism, door opening and closing device, refrigerator and household appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267157U true CN218267157U (en) | 2023-01-10 |
Family
ID=84761994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221870281.2U Active CN218267157U (en) | 2022-07-08 | 2022-07-08 | Switching gear mechanism, door opening and closing device, refrigerator and household appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218267157U (en) |
-
2022
- 2022-07-08 CN CN202221870281.2U patent/CN218267157U/en active Active
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