CN209984070U - Door opening and closing device and household appliance applying same - Google Patents
Door opening and closing device and household appliance applying same Download PDFInfo
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- CN209984070U CN209984070U CN201920317289.8U CN201920317289U CN209984070U CN 209984070 U CN209984070 U CN 209984070U CN 201920317289 U CN201920317289 U CN 201920317289U CN 209984070 U CN209984070 U CN 209984070U
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- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
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Abstract
The utility model relates to a door opening and closing device and household appliance using the same, which comprises a base and a swing arm, wherein the swing arm is hinged on the base through a first fixed shaft, the door opening and closing device also comprises a power assembly and a rotary linear conversion structure, the power assembly is used for enabling the swing arm to swing, the linear end of the rotary linear conversion structure is connected with the swing arm, and the rotary end is connected with the power output end of the power assembly; the end part of the rotary linear conversion structure is fixed with a four-corner convex part, the end part of the power assembly is fixed with a fixed connecting part, and the four-corner convex part is matched and fixed with the fixed connecting part. Through the utility model discloses but make the door body automatic switch, need not to set up the handle structure, can effectively reduce and occupy the kitchen space, guarantee the whole outward appearance of product, improve the manipulation travelling comfort of complete machine.
Description
Technical Field
The utility model relates to a mechanical transmission mechanism, in particular to door opening and closing device and domestic appliance who uses device.
Background
At present, the external door handle extends out of the whole door body to give a sudden feeling on one hand, and the overall appearance of a product is influenced; on the other hand, in a limited kitchen space, the structure occupies extra space, and the activity space of people in the kitchen is reduced. The handle is partially in a manual pressing type handle structure, so that the handle is hidden in the door body when not in work, and needs to be pressed forcibly in the using process; adopt the manual door that opens or close simultaneously, spring helping hand mode plays certain laborsaving effect, but user experience effect is not good. In addition, the inner layer glass and the middle layer glass of the door body of the steaming and baking oven are Low-radiation Low-E glass, which can play a certain role in heat insulation, but the hidden trouble of hinge noise and the like is easily caused to the hinge with the main body arranged on the door body because the temperature of the cavity is 200-300 ℃ in the working process of the steaming and baking oven.
SUMMERY OF THE UTILITY MODEL
The main objective of the present invention is to solve the above technical problem, and to provide a door opening and closing device which can improve the overall appearance of the product and save the space in the kitchen.
Another object of the present invention is to provide a household appliance using the device.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a door opening and closing device comprises a base and a swing arm, wherein the swing arm is hinged to the base through a first fixed shaft, the door opening and closing device further comprises a power assembly and a rotary linear conversion structure, the power assembly is used for enabling the swing arm to swing, the linear end of the rotary linear conversion structure is connected with the swing arm, and the rotary end of the rotary linear conversion structure is connected with the power output end of the power assembly; the end part of the rotary linear conversion structure is fixed with a four-corner convex part, the end part of the power assembly is fixed with a fixed connecting part, and the four-corner convex part is matched and fixed with the fixed connecting part.
Furthermore, a boss is arranged on the fixed connecting piece, and grooves into which the four-corner protruding pieces are inserted are formed in the periphery of the boss.
Furthermore, the rotating end of the rotating linear conversion structure is in splined connection with the power output end of the power assembly.
Further, the power assembly comprises a motor driving mechanism and a gear box speed reducing structure which are connected with each other, and the rotating end of the rotating linear conversion structure is connected with the power output end of the gear box speed reducing structure.
The front end of the transmission piece is fixed with the swing arm, the rear end of the transmission piece is fixed with the linear end of the rotary linear conversion mechanism, or the transmission piece is the linear end of the rotary linear conversion mechanism.
The swing arm is connected with the front end of the elastic piece, and the front end of the transmission piece is fixed with the front end of the elastic piece.
Furthermore, the swing arm is connected with the front end of the elastic part through a connecting part, the front end of the connecting part is connected with the swing arm through a second fixed shaft, and the rear end of the connecting part is fixed at the front end of the elastic part.
Furthermore, the front end of the elastic part is connected to the base through a sliding shaft, and a limiting hole used for limiting the sliding position of the sliding shaft is formed in the base.
Further, the rotating linear conversion structure is a screw rod structure.
The utility model discloses a another technical scheme is:
a household appliance comprises the door opening and closing device.
To sum up, the utility model discloses a but door body automatic switch and applied device's domestic appliance, the door body need not to set up the handle structure, can effectively reduce and occupy the kitchen space, guarantees the whole outward appearance of product, improves the manipulation travelling comfort of complete machine.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is a schematic view of the household appliance of the present invention;
fig. 5 is a schematic view of the structure of the present invention for converting the rotation line.
Fig. 6 is a schematic view of the motor driving mechanism and the reduction structure of the gear box of the present invention.
As shown in fig. 1 to 6, the base 1, the swing arm 2, the first fixed shaft 3, the transmission member 4, the elastic member 5, the connecting member 6, the second fixed shaft 7, the sliding shaft 8, the limiting hole 9, the third fixed shaft 10, the sliding member 11, the motor driving mechanism 12, the gear box decelerating structure 13, the rotational-linear conversion structure 14, the four-corner projecting member 15, the fixed connecting member 16, and the boss 17.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
in order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The following examples are intended to illustrate embodiments of the present invention, but not to limit the invention.
As shown in fig. 1 to 6, a door opening and closing device mainly comprises a base 1 and a swing arm 2, wherein the swing arm 2 is hinged to the base 1 through a first fixed shaft 3, the base 1 is installed on a cabinet body, and the swing arm 2 is installed on a door body. The swing arm 2 is connected with the base through a power assembly, the swing arm 2 is connected with the linear end of the rotary linear conversion structure 14, the power assembly is connected with the rotary end of the rotary linear conversion structure 14, and the rotary linear conversion structure 14 is fixed on the base 1. A four-corner convex part 15 is fixed at the end part of the rotary straight line conversion structure 14, a fixed connecting part 16 is fixed at the end part of the power assembly, and the four-corner convex part 15 is matched and fixed with the fixed connecting part 16.
Particularly, be provided with boss 17 on fixed connector 16, be provided with four corners bellying 15 male recesses around boss 17 for boss 17 forms the gear form, and four corners bellying 15 insert the recess fixedly, has both accomplished rotatory straight line transform structure 14 and power component's location and fixed, still makes both have quick loading and unloading's advantage.
The power assembly comprises a motor driving mechanism 12 and a gear box speed reducing structure 13 which are connected with each other, and a power shaft of the motor driving mechanism 12 is connected with the gear box speed reducing structure 13. The rotating end of the rotating linear conversion structure 14 is connected with the power output end of the gear box speed reducing structure 13, and a fixed connecting piece 16 is arranged at the end part of the gear box speed reducing structure 13. Specifically, the rotation end of the rotational-to-linear conversion structure 14 is spline-connected to the power output end of the gear box reduction structure 13. The four-corner convex part 15 is matched and fixed with the fixed connecting part 16, and the connection mode of spline connection between the rotating end of the rotating linear conversion structure 14 and the power output end of the gear box speed reducing structure 13 is more reliable.
The gear box reduction mechanism 13 is connected to the motor drive mechanism 12 to reduce the speed of the high speed rotation provided by the motor. The rotation-linear transformation structure 14 is used to transform the rotational mechanical force into a lateral acting force, and in the present embodiment, the rotation-linear transformation structure 14 is a screw rod structure or a screw rod structure.
The door opening and closing device further comprises a transmission piece 4, wherein the front end of the transmission piece 4 is fixed with the swing arm 2, the rear end of the transmission piece 4 is fixed with the linear end of the rotating linear conversion mechanism 14, or the transmission piece 4 is the linear end of the rotating linear conversion mechanism 13. The motor driving mechanism 12 generally has a high rotating speed, firstly, the transmission ratio is reduced through the gear box reducing structure 13, the driving transmission member 4 is driven to move back and forth, the swing arm 2 of the hinge head is driven to rotate around the first fixing shaft 3 of the hinge rotating shaft of the hinge head by the back and forth movement of the driving transmission member 4, and the rotating angle range of the hinge head is 0-87 degrees. The swing arm 2 rotates around the hinge shaft, and the swing arm 2 synchronously drives the door body to be opened and closed through being matched with the door body at a corner. Through this switch door gear, need not to set up handle structure, can effectively reduce and occupy the kitchen space, guarantee the whole outward appearance of product to realize intelligent control completely, open the door or close a body automatically.
The main body of the door opening and closing device is arranged at the bottom plate of the box body, and the high-efficiency heat insulation cotton is arranged between the door opening and closing device and the inner container, so that the working environment temperature of the door opening and closing device can be effectively reduced, and the door opening and closing device has higher use reliability compared with a hinge for installing the main body on the door body.
Still include elastic component 5, the front end and the base 1 sliding connection of elastic component 5, the rear end and the base 1 fixed connection of elastic component 5.
The front end of the elastic piece 5 is connected to the base 1 through a sliding shaft 8, and the front end of the elastic piece 5 is hung and buckled on the sliding shaft 8. The base 1 is provided with a limit hole 9 for limiting the sliding position of the sliding shaft 8. Spacing hole 9 is seted up on two sides of base 1, and slide shaft 8 both ends are fixed respectively in spacing hole 9.
The rear end of the elastic element 5 is connected to the base 1 through a third fixing shaft 10, the rear end of the elastic element 5 is hung and buckled on the third fixing shaft 10, and two ends of the third fixing shaft 10 are fixed with two side surfaces of the base 1.
The oscillating arm 2 is connected to the front end of the elastic member 5. Further, the swing arm 2 is connected to the front end of the elastic member 5 through a joint member 6, the front end of the joint member 6 is connected to the swing arm 2 through a second fixed shaft 7, and the rear end of the joint member 6 is fixed to the front end of the elastic member 5. The connecting piece 6 is hinged with the swing arm 2 through a second fixed shaft 7, and when the connecting piece 6 slides along with the transmission piece 4, the swing arm 2 is pushed to swing. In order to improve the stability, the connecting piece 6 adopts a U-shaped structure.
The rear end of the connecting piece 6 is fixed at the front end of the elastic piece 5 through a sliding piece 11, and the front end and the rear end of the sliding piece 11 are respectively hinged with the connecting piece 6 and the sliding shaft 8. The sliding part 11 adopts a herringbone structure, the front end of the sliding part is inserted into the U-shaped structural groove of the connecting part 6 and is hinged with the U-shaped structural groove, and two side surfaces of the rear end of the sliding part are respectively provided with a through hole which is hinged with the sliding shaft 8. The sliding part 11 adopts a herringbone structure, so that the connection of the connecting part 6 and the elastic part 5 is completed, the hanging buckle at the front end of the elastic part 5 is also avoided being influenced, and a fixing surface is further provided for fixing the transmission part 4 and the sliding part 11.
The front end of the transmission member 4 is fixed to the front end of the elastic member 5, and specifically, the front end of the transmission member 4 is fixedly connected to the sliding member 11. The transmission member 4 is disposed on the top of the elastic member 5, penetrates the entire elastic member 5, and is fixed at the top of the sliding member 11 at its front end.
Through setting up connecting piece 6, slider 11 can be with the stable transmission of power to swing arm 2 of driving medium 4, make swing arm 2 swing more steady.
When the door body needs to be opened, the power component provides power to the transmission part 4, the transmission part 4 slides backwards, the transmission part 4 drives the sliding part 11, the sliding shaft 8 and the connecting part 6 to slide backwards, and the swinging arm 2 swings the door body to be opened. In the swinging process of the swinging arm 2, the elastic piece 5 is pressed to provide elastic force forwards, the elastic force provided by the elastic piece 5 keeps balance with the gravity of the door body, and the door body can be suspended. And the elasticity provided by the elastic part 5 also reduces the overlarge stress burden on the transmission part 4 and the power assembly due to the overlarge gravity of the door body, and avoids the damage to the door opening and closing mechanism, the door body and the human body of a user due to the fact that the door body is knocked down due to the failure of the power assembly.
When the door body needs to be closed, the power assembly provides power to the transmission part 4, the transmission part 4 slides forwards, the transmission part 4 drives the sliding part 11, the sliding shaft 8 and the connecting part 6 to slide forwards, and the swing arm 2 swings the door body to be closed. The elastic force provided by the elastic piece 5 is combined in the closing process, so that the power provided by the power assembly can be reduced, and the door body is more stable when being closed.
The range of the rotation angle for opening and closing the door body is 0-87 degrees, and the opening and closing angles of the door body can be controlled by an intelligent control program of a computer board according to different baking modes.
In this embodiment, one side of the door body is provided with the door opening and closing device, and the other side of the door body is generally hinged with the cabinet body; or the door opening and closing device is arranged on both sides of the door body.
A household appliance can be a disinfection cabinet, an oven, a steam box and the like, comprises a cabinet body and a door body, and also comprises the door opening and closing device.
Similar solutions can be derived from the solution given in the figures, as described above. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a switch door gear, includes base, swing arm, the swing arm articulate through first fixed axle on the base, its characterized in that: the swing arm is connected with the swing arm through a power assembly, and the swing arm is connected with the swing arm through a rotating linear conversion structure; the end part of the rotary linear conversion structure is fixed with a four-corner convex part, the end part of the power assembly is fixed with a fixed connecting part, and the four-corner convex part is matched and fixed with the fixed connecting part.
2. A door opening and closing apparatus as claimed in claim 1, wherein: the fixed connecting piece is provided with a boss, and grooves into which the four-corner protruding pieces are inserted are formed in the periphery of the boss.
3. A door opening and closing apparatus as claimed in claim 1, wherein: and the rotating end of the rotating linear conversion structure is in splined connection with the power output end of the power assembly.
4. A door opening and closing apparatus as claimed in claim 1, wherein: the power assembly comprises a motor driving mechanism and a gear box speed reducing structure which are connected with each other, and the rotating end of the rotating linear conversion structure is connected with the power output end of the gear box speed reducing structure.
5. A door opening and closing apparatus as claimed in claim 1, wherein: the front end of the transmission piece is fixed with the swing arm, the rear end of the transmission piece is fixed with the linear end of the rotary linear conversion mechanism, or the transmission piece is the linear end of the rotary linear conversion mechanism.
6. A door opening and closing device as claimed in claim 5, wherein: the swing arm is connected with the front end of the elastic piece, and the front end of the transmission piece is fixed with the front end of the elastic piece.
7. A door opening and closing apparatus as claimed in claim 6, wherein: the swing arm is connected with the front end of the elastic piece through a connecting piece, the front end of the connecting piece is connected with the swing arm through a second fixed shaft, and the rear end of the connecting piece is fixed at the front end of the elastic piece.
8. A door opening and closing apparatus as claimed in claim 7, wherein: the front end of the elastic piece is connected to the base through a sliding shaft, and a limiting hole used for limiting the sliding position of the sliding shaft is formed in the base.
9. A door opening and closing apparatus as claimed in claim 1, wherein: the rotating linear conversion structure is a screw rod structure.
10. A household appliance, characterized by: comprising a door opening and closing device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920317289.8U CN209984070U (en) | 2019-03-13 | 2019-03-13 | Door opening and closing device and household appliance applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920317289.8U CN209984070U (en) | 2019-03-13 | 2019-03-13 | Door opening and closing device and household appliance applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209984070U true CN209984070U (en) | 2020-01-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920317289.8U Active CN209984070U (en) | 2019-03-13 | 2019-03-13 | Door opening and closing device and household appliance applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209984070U (en) |
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2019
- 2019-03-13 CN CN201920317289.8U patent/CN209984070U/en active Active
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