CN219691343U - Door damping structure for household appliance and household appliance - Google Patents

Abstract

The utility model relates to a door damping structure for a household appliance and the household appliance, comprising a damping device, a guide piece, a transmission piece and a driving piece, wherein the guide piece is arranged on one side of the damping device and can move linearly under the driving of the damping device to push a door body of the household appliance, the transmission piece is pivoted on one side of the damping device and the guide piece through a rotating shaft, one end of the transmission piece is connected with the output end of the damping device, the other end of the transmission piece is connected with the first end of the guide piece, in addition, in the door closing process of the household appliance, the second end of the guide piece is propped against the door body, and the damping device enables the second end of the guide piece to have a trend of pushing the door body towards the door opening direction. The door body can be buffered when the door is closed, so that the door body is prevented from being damaged due to direct collision with the box body of the household appliance when the door is closed.

Description

Door damping structure for household appliance and household appliance

Technical Field

The utility model relates to the field of household appliances, in particular to a door damping structure for a household appliance and the household appliance.

Background

Household appliances with cooking functions such as steam boxes and ovens generally comprise a box body with an opening at the front side and a door body, and the door body is generally connected to the box body through a hinge structure. Under the working state, food is placed in the inner container of the box body and is covered on the opening of the box body through the door body. In addition, a part with damping effect is generally arranged at the connecting part of the box body and the door body so as to obtain the buffering effect when the door is closed, and the damage caused by the sudden collision of the door body to the box body when the door is closed is avoided.

Further, a member with a cushioning effect (typically a damper) is often provided on the hinge, for example, chinese patent No. ZL 202221434853.2 (grant publication No. CN 217659378U) discloses an oven comprising: the oven comprises an oven door assembly, a cavity assembly, a hinge assembly and a driving assembly; one end of the hinge assembly is connected with the bottom of the cavity assembly, and the other end of the hinge assembly is connected with the bottom of the furnace door assembly; the driving assembly is provided with a telescopic part and is fixed on the cavity assembly; the driving assembly is used for controlling the extension or retraction of the telescopic part, and in a door closing state of the oven, the driving assembly can control the extension of the telescopic part from the cavity assembly and jack the oven door assembly to a preset angle, and the oven door assembly can be opened by self weight when the oven door assembly is positioned at the preset angle. Although the damping hinge in the above patent can buffer the door body when the door is closed, the damage caused by the direct flushing of the door body to the box body is avoided, the configuration damping function can influence the universality of the hinge, so that the machine type universal hinge with and without the slow door can not be used, and further the production cost is increased.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a door damping structure for a household appliance, which can realize door closing buffering and improve the universality of a door hinge.

The second technical problem to be solved by the utility model is to provide a door damping structure for a household appliance, which can realize door closing buffering and door opening and closing detection of the household appliance.

The third technical problem to be solved by the utility model is to provide the household appliance with the door closing buffer function and good universality of the door hinge aiming at the prior art.

The utility model solves at least the technical problems by adopting the following technical proposal: a door damping structure for household appliances, including damping device, characterized by, still include

A guide piece which is arranged at one side of the damping device and can move linearly under the drive of the damping device to push the door body of the household appliance,

the transmission piece is pivoted on one side of the damping device and the guide piece through the rotating shaft, one end of the transmission piece is connected with the output end of the damping device, the other end of the transmission piece is connected with the first end of the guide piece, in the door closing process of the household appliance, the second end of the guide piece is abutted against the door body, and the damping device enables the second end of the guide piece to have a trend of pushing the door body towards the door opening direction.

Further, the distance between the joint of the output end of the damping device and the transmission piece and the rotating shaft is larger than the distance between the joint of the guide piece and the transmission piece and the rotating shaft. The transmission piece can amplify the damping force output by the damping device while transmitting, so that the smaller damping force output by the damping device can obtain a larger damping effect on the guide piece, thereby reducing the installation space of the damping device (the larger the output damping force is, the larger the required installation space is), further reducing the installation space of the whole door damping structure, and the smaller damping force can ensure the stability of the damping force output of the damping device.

Further, the damping force output by the damping device is parallel to the moving direction of the guide member. So that the damping force output from the damping device can be maximally transferred to the guide member.

Further, the guide member is a block body having a long shape and disposed along a moving direction thereof, and the damping device is a linear damper. Thereby further ensuring the transfer of damping force to the efficiency.

Further, the transmission member is a block with a long shape, the rotating shaft is arranged in the middle of the transmission member along the length direction, a first connecting groove and a second connecting groove are respectively formed in one side of the transmission member opposite to the damping device and the guide member along the length direction, the damping head of the damping device is accommodated in the first connecting groove, and the first end part of the guide member is accommodated in the second connecting groove. The structure of the transmission part is simple, the assembly structure of the transmission part, the damping device and the guide part is simple, and the internal structure of the door damping structure is simple and convenient to assemble and disassemble under the condition of ensuring effective transmission of damping force.

Further, the guide member comprises a support seat fixedly arranged, a sleeve extending along the moving direction of the guide member is arranged on the support seat, the second end of the guide member is in a rod shape, the second end is inserted into the sleeve and can move back and forth along the sleeve, the first end of the guide member is in a cylindrical shape, and the end face of the guide member abuts against the groove face of the second connecting groove. On the one hand, the guide piece can be stably moved, the effectiveness and the high efficiency of pushing the door body are guaranteed, and on the other hand, the first end of the guide piece can be stably connected with the second connecting groove, so that the effective transmission of damping force is further guaranteed.

Further, the household appliance also comprises a switch device arranged on one side of the guide piece, wherein a contact part is convexly arranged on the outer surface of the middle part of the guide piece, and the contact part is propped against the contact of the switch device to close the switch device when the household appliance is in a door closing state. Therefore, the door opening and closing detection of the household appliance can be realized, and the door damping structure has the door opening and closing buffering and door opening and closing detection functions.

Further, the damping device is mounted on the mounting plate through a mounting seat fixed on one side surface of the mounting plate, and the support and the rotating shaft are respectively fixed on the same side surface of the mounting plate. Thereby realizing the firm setting of damping device, guide and driving medium to, the installation in the household electrical appliances of whole door damping structure is convenient for.

The technical scheme adopted for further solving the third technical problem is as follows: a household appliance, characterized by comprising a door damping structure for a household appliance as described above.

Further, the household appliance is one or at least two of a steam box, an oven, a steam box, a microwave oven, a sterilizing cabinet and a cleaning machine.

Compared with the prior art, the utility model has the advantages that: the door damping structure comprises a damping device, a guide piece and a transmission piece, wherein the damping force output by the damping device acts on one end of the transmission piece, so that the transmission piece is driven to rotate and the damping force is transmitted to the guide piece from the other end of the transmission piece, and then the guide piece is driven to push the door body, door closing buffering of the door body is achieved, damage caused by direct collision between the door body and a box body of a household appliance is avoided when the door is closed, the second end of the guide piece is propped against the door body in a door closing state of the household appliance, the damping device enables the second end of the guide piece to have a trend of pushing the door body towards a door opening direction, and therefore the guide piece can be reset in a door opening state without additionally arranging a resetting device, and the structure of the door damping structure is simple. In addition, the household appliance provided by the utility model adopts the common door hinge, and the door hinge with a damping function is not needed, so that the production cost of the household appliance is reduced.

Drawings

FIG. 1 is a schematic view of a door damping structure according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a door damping structure in accordance with an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a door damping structure in another direction in an embodiment of the present utility model;

FIG. 4 is an exploded view of a door damping structure according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a home appliance according to an embodiment of the present utility model;

fig. 6 is a schematic view of a local structure of a household appliance (in a state of hiding a door body) according to an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

As shown in fig. 1 to 6, a home appliance includes a case 8 having a front opening and a door 81 covered on the case 8, wherein a lower end of the door 81 is rotatably connected to the case 8 through door hinges 84 at left and right sides, respectively, and a front opening inner container 82 is provided in the case 8, a water tank assembly 83 is provided at a right side of the inner container 82, and the water tank assembly 83 includes a water tank seat 831 and a water tank (not shown) slidably mounted in the water tank seat 831 in a front and rear direction. Wherein, the household appliance is one or at least two of steam boxes, ovens, steam ovens, microwave ovens, sterilizing cabinets and cleaning machines. In this embodiment, the household appliance is a cooking device, specifically a steam box, an oven, or a steam oven.

Further, a door damping structure 1 is further provided in the housing 8 of the above-mentioned household appliance, and the door damping structure 1 includes a damping device 2, a guide 4, and a transmission member 3. In this embodiment, the damping device 2 is specifically a linear damper, and the guide 4 is disposed on one side of the damping device 2 and can move linearly under the driving of the damping device 2 to push the door 81 of the household appliance. The transmission member 3 is pivotally connected to one side of the damping device 2 and the guide member 4 via a pivot 30, and has one end connected to the output end of the damping device 2 and the other end connected to the first end 41 of the guide member 4. In addition, during the closing process of the household appliance, the second end 42 of the guide 4 is abutted against the door body 81, and the damping device 2 causes the second end 42 of the guide 4 to push the door body 81 towards the opening direction.

The door damping structure 1 comprises a damping device 2, a guide piece 4 and a transmission piece 3, wherein the damping force output by the damping device 2 acts on one end of the transmission piece 3, so that the transmission piece 3 is driven to rotate to transmit the damping force to the guide piece 4 from the other end of the transmission piece, and the guide piece 4 is driven to push the door body 81, so that the door closing buffer of the door body 81 is realized, and the door body 81 is prevented from being damaged due to direct collision with a box body 8 of a household appliance when the door is closed. In addition, in the door-closed state of the household appliance, the second end 42 of the guide member 4 abuts against the door body 81, and the damping device 2 makes the second end 42 of the guide member 4 have a tendency to push the door body 81 in the door-opening direction, so that the guide member 4 can be reset in the door-open state without additionally providing a resetting device, and the structure of the door damping structure 1 can be simplified. In addition, the household appliance provided by the utility model adopts the common door hinge, and the door hinge with a damping function is not required, so that the production cost of the household appliance is reduced.

Preferably, the distance between the junction of the output end of the damping device 2 and the transmission member 3 and the rotation shaft 30 is greater than the distance between the junction of the guide member 4 and the transmission member 3 and the rotation shaft 30. Thus, the transmission part 3 can amplify the damping force output by the damping device 2 while transmitting, so that a smaller damping force output by the damping device 2 can obtain a larger damping effect on the guide part 4, thereby reducing the installation space of the damping device 2 (the larger the output damping force is, the larger the required installation space is), further reducing the installation space of the whole door damping structure 1, and the smaller damping force can ensure the stability of the damping force output by the damping device 2. It is further preferable that the direction of the damping force outputted from the damping device 2 is parallel to the moving direction of the guide 4, so that the damping force outputted from the damping device 2 can be maximally transferred to the guide 4. In addition, the guide member 4 is a block body with a long strip shape and is arranged along the moving direction of the block body, and the damping force can be further ensured to be transmitted to the effectiveness by matching with the design of the damping device 2, particularly a linear damper.

Further, the transmission member 3 is a block having a long shape, the rotation shaft 30 is disposed at a middle portion of the transmission member along a length direction, a first connecting groove 31 and a second connecting groove 32 are formed on a side of the transmission member 3 opposite to the damping device 2 and the guide member 4 along the length direction, the damping head 21 of the damping device 2 is accommodated in the first connecting groove 31, and an end portion of the first end 41 of the guide member 4 is accommodated in the second connecting groove 32. The structure of the transmission part 3 is simple, the assembly structure of the transmission part 3, the damping device 2 and the guide part 4 is simple, and the internal structure of the door damping structure 1 is simple and convenient to assemble and disassemble under the condition of ensuring effective transmission of damping force.

Further, the door damping structure 1 further includes a support 5 fixedly provided, the support 5 is provided with a sleeve 720 extending along the moving direction of the guide 4, the second end 42 of the guide 4 has a rod shape, the second end 42 is inserted into the sleeve 720 and can move back and forth along the sleeve 720, the first end 41 of the guide 4 has a cylindrical shape, and an end surface thereof abuts against a groove surface of the second connecting groove 32. On the one hand, the guide piece 4 can be stably moved, the effectiveness and the high efficiency of pushing the door body 81 are ensured, and on the other hand, the first end 41 of the guide piece 4 can be stably connected with the second connecting groove 32, so that the effective transmission of damping force is further ensured. Meanwhile, in the present embodiment, the damping head 21 of the damping device 2 is also cylindrical in shape, and the end surface thereof abuts against the groove surface in the first connecting groove 31. The case 8 includes a face liner 85 provided around the opening of the liner 82, and a through hole 851 is provided in the right lower end of the face liner 85, through which the second end 42 of the guide 4 passes.

Still further, the household appliance further comprises a switch device 7 arranged at one side of the guide 4, wherein a contact part 43 is convexly arranged on the outer surface of the middle part of the guide 4, and the contact part 43 is abutted with a contact 71 of the switch device 7 to close the switch device 7 when the household appliance is in a door-closed state. Therefore, door opening and closing detection of the household appliance can be realized, and the door damping structure 1 has the door opening and closing buffering and door opening and closing detection functions. Specifically, in this embodiment, the switch device 7 is a micro switch, the guide member 4 is disposed along a front-rear direction, and the middle portion of the guide member 4 is a cylindrical block structure, and the outer diameter of the front end of the block structure is larger than that of the rear end, so that the contact portion 43 is formed at the junction of the two surfaces along the circumferential direction, effective triggering and detachment of the contact portion 43 and the contact 71 of the switch device 7 are ensured, and further reliability of on-off control of the switch device 7 is ensured.

Specifically, in this embodiment, the door damping structure 1 further includes a mounting plate 10 vertically disposed along a front-rear direction, and is mounted on the water tank seat 831 of the water tank assembly 83 through the mounting plate 10, so that on one hand, the door damping structure 1 is conveniently mounted in the box 8 of the household appliance, and on the other hand, the door damping structure 1 can be cooled through water in the water tank, so that the door damping structure 1 is prevented from being stably and excessively high in operation.

Further, the right side surface of the mounting plate 10 is a mounting surface 100, the damper 2 is provided in the front-rear direction and is mounted on the upper end of the mounting surface 100 of the mounting plate 10 via a mounting seat 6, the mount 5 is fixed to the lower end of the mounting surface 100, the rotation shaft 30 is fixed to the mounting surface 100 and is positioned on the rear side of the mounting seat 6 and the mount 5, and the rotation shaft 30 is provided in the right-left direction perpendicular to the mounting surface 100. A switch bracket 72 for mounting the switch device 7 is fixed to the holder 5. The switch bracket 72 includes a first switch plate 721 vertically disposed and extending left and right and a second switch plate 722 vertically disposed and extending back and forth, and the above-described stand 5 includes a front side plate 51 vertically disposed and extending left and right. The front side plate 51 is provided with an assembling opening 511, the first switch plate 721 is attached to the rear surface of the front side plate 52 and is fixed to the rear surface of the front side plate, the first switch plate 721 is provided with a mounting hole, the hole edge of the mounting hole extends upwards along the circumferential direction to form a sleeve 720, the sleeve 720 is arranged in the assembling opening 511 in a penetrating manner, and the switch device 7 is mounted on the second switch plate 722, so that the switch device 7 is stably mounted.

Claims (10)

1. Door damping structure for household appliances, comprising a damping device (2), characterized in that it also comprises

A guide member (4) which is arranged at one side of the damping device (2) and can move linearly under the drive of the damping device (2) to push a door body (81) of the household appliance,

the transmission part (3) is pivoted on one side of the damping device (2) and the guide part (4) through the rotating shaft (30), one end of the transmission part is connected with the output end of the damping device (2), the other end of the transmission part is connected with the first end (41) of the guide part (4), the second end (42) of the guide part (4) is propped against the door body (81) in the door closing process of the household appliance, and the damping device (2) enables the second end (42) of the guide part (4) to have a trend of pushing the door body (81) towards the door opening direction.

2. Door damping structure for electric household appliances according to claim 1, characterized in that the distance between the junction of the output end of the damping device (2) and the transmission element (3) and the rotation shaft (30) is greater than the distance between the junction of the guide element (4) and the transmission element (3) and the rotation shaft (30).

3. Door damping structure for electric household appliances according to claim 2, characterized in that the damping force output by the damping means (2) is directed parallel to the direction of movement of the aforesaid guide (4).

4. A door damping structure for an electric household appliance according to claim 3, characterized in that said guide (4) is a block shaped like a long strip and arranged along the direction of movement thereof, and said damping means (2) are linear dampers.

5. Door damping structure for household appliances according to any one of claims 1 to 4, characterized in that the transmission member (3) is a block body having a long shape, the rotation shaft (30) is disposed at the middle part thereof in the length direction, and a first connection groove (31) and a second connection groove (32) are respectively formed at one side of the transmission member (3) opposite to the damping device (2) and the guide member (4) in the length direction thereof, the damping head (21) of the damping device (2) is accommodated in the first connection groove (31), and the end of the first end (41) of the guide member (4) is accommodated in the second connection groove (32).

6. Door damping structure for electric household appliances according to claim 5, characterized in that it further comprises a fixedly arranged support (5), on which support (5) a sleeve (720) is provided extending in the direction of movement of said guide (4), the second end (42) of said guide (4) being shaped like a rod, said second end (42) being inserted in said sleeve (720) and being able to move back and forth along said sleeve (720), while the first end (41) of the guide (4) being shaped like a cylinder with its end face abutting against the groove face of said second connecting groove (32).

7. Door damping structure for a household appliance according to any one of claims 1 to 4, further comprising a switching device (7) arranged at one side of said guide (4), wherein a contact portion (43) is provided protruding on the outer surface of the middle part of said guide (4), and wherein said contact portion (43) abuts against a contact (71) of said switching device (7) to close said switching device (7) in a door-closed state of the household appliance.

8. Door damping structure for electric household appliances according to claim 6, characterized in that it further comprises a mounting plate (10), said damping device (2) being mounted on said mounting plate (10) by means of a mounting seat (6) fixed on one side surface of the mounting plate (10), and said support (5) and rotary shaft (30) being fixed respectively on the same side surface of the mounting plate (10).

9. A household appliance comprising a door damping structure for a household appliance as claimed in any one of claims 1 to 8.

10. The household appliance of claim 9, wherein the household appliance is one or an integrated combination of at least two of a steam box, an oven, a steam box, a microwave oven, a sterilizer, a washer.