CN211583016U

CN211583016U - Automatic door opening mechanism and household appliance

Info

Publication number: CN211583016U
Application number: CN201921807904.XU
Authority: CN
Inventors: 焦立业; 王建龙; 宋华诚; 李炳强; 杨林; 潘显杰; 郭俊; 褚延宾
Original assignee: Qingdao Haier Dishwasher Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Dishwasher Co Ltd; Haier Smart Home Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-09-29
Anticipated expiration: 2029-10-25

Abstract

The utility model belongs to the technical field of household appliances, and discloses an automatic door opening mechanism and a household appliance, wherein the automatic door opening mechanism comprises a mounting seat; the sliding seat is arranged on the mounting seat in a sliding manner and is provided with a sliding groove; the ejector rod is arranged in the sliding groove in a sliding mode and can be limited by the sliding groove; the elastic piece is arranged between the ejector rod and the sliding seat and is in a compressed state; the driving piece is installed in the mounting seat, and the driving piece is in driving connection with the sliding seat and used for driving the sliding seat to slide linearly. The utility model discloses a driving piece drive slide is for mount pad straight line slip, and then drives the ejector pin by the slide and remove, can open the door body. Through setting up the elastic component, when the door body bumps with the ejector pin, can cushion the ejector pin, avoid the door body or the ejector pin impaired. And when the ejector rod is acted by other external forces, the ejector rod is buffered through the elastic piece, so that the driving piece can be effectively protected from being damaged.

Description

Automatic door opening mechanism and household appliance

Technical Field

The utility model relates to a household electrical appliances technical field especially relates to an automatic mechanism and domestic appliance of opening door.

Background

Among household appliances, the dish washer is used as equipment for automatically cleaning dishes, chopsticks, plates, dishes, knives, forks and other tableware, and is increasingly widely applied along with the improvement of the living standard of people.

In the existing dishwasher, the opening and closing of the door body are partially operated manually by a user, so that the user satisfaction is reduced. And the automatic door opening of the door body is realized by arranging an automatic door opening structure on part of the door body, and the door is pushed open by the ejector rod to realize the door opening operation. However, the existing automatic door opening structure is complex to install, and if the ejector rod of the automatic door opening structure is not retracted after the door is opened by jacking, once a user does not pay attention to closing the door, the door body collides with the ejector rod, so that the ejector rod or the door body is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic mechanism and domestic appliance of opening door, the installation is simple, and can protect the driving piece not to receive the damage.

To achieve the purpose, the utility model adopts the following technical proposal:

an automatic door opening mechanism comprising:

a mounting seat;

the sliding seat is arranged on the mounting seat in a sliding manner and is provided with a sliding groove;

the ejector rod is arranged in the sliding groove in a sliding mode and can be limited by the sliding groove;

the elastic piece is arranged between the ejector rod and the sliding seat and is in a compressed state;

the driving piece is installed in the mounting seat, and the driving piece is in driving connection with the sliding seat and used for driving the sliding seat to slide linearly.

Preferably, one end of the sliding groove is provided with a U-shaped opening, one end of the ejector rod penetrates through the U-shaped opening, the other end of the ejector rod is provided with a sliding portion, and the sliding portion is arranged in the sliding groove and can be limited by the U-shaped opening.

Preferably, sliding tables are arranged on two sides of the sliding groove along the moving direction of the ejector rod, and two sides of the sliding portion slide on the sliding tables.

Preferably, the sliding portion includes two first sliders symmetrically disposed on two sides and a second slider located at the bottom, the first sliders are slidably supported on the sliding table, and the second slider is slidably supported at the bottom of the sliding groove.

Preferably, a first mounting groove is formed in the mounting seat, and the sliding seat is arranged in the first mounting groove in a sliding manner.

Preferably, a through hole is formed in one end of the first mounting groove, and one end of the ejector rod penetrates through the through hole.

Preferably, the two sides of the sliding seat are provided with buckles, the two sides of the first mounting groove are provided with slide holes along the moving direction of the ejector rod, and the buckles are arranged in the slide holes in a sliding manner.

Preferably, a clamping groove is formed in one end of the sliding seat, a clamping portion is arranged at the output end of the driving piece, and the clamping portion is clamped in the clamping groove.

Preferably, a second mounting groove is formed in the mounting seat, and the driving piece is mounted in the second mounting groove.

The utility model also provides a domestic appliance, including foretell automatic door opening mechanism.

The utility model has the advantages that: the sliding seat is driven by the driving piece to linearly slide relative to the mounting seat, and then the sliding seat drives the ejector rod to move, so that the door body can be ejected. Through setting up the elastic component, when the door body bumps with the ejector pin, can cushion the ejector pin, avoid the door body or the ejector pin impaired, receive other exogenic actions at the ejector pin moreover and act on, through buffering the ejector pin for this automatic mechanism of opening the door has self-protection function, has especially protected the driving piece not by the damage. Moreover, the utility model discloses an above-mentioned automatic door opening mechanism, its installation is simple, stable in structure.

Between above-mentioned ejector pin and the slide, between slide and the mount pad, all adopt the mode of joint to be connected between slide and the driving piece, it is more convenient to dismantle the change.

Drawings

FIG. 1 is a schematic view of a dishwasher according to the present invention;

fig. 2 is an assembly schematic view of the automatic door opening mechanism and the upper front beam of the present invention;

fig. 3 is a schematic structural view of the automatic door opening mechanism of the present invention;

fig. 4 is a schematic structural diagram of the mounting seat of the present invention;

fig. 5 is a schematic structural diagram of the slide carriage according to the present invention;

fig. 6 is a schematic structural diagram of the ejector rod of the present invention;

fig. 7 is a schematic structural diagram of the driving member according to the present invention.

In the figure:

1. a mounting seat; 11. a first mounting groove; 111. a through hole; 112. a slide hole; 12. a second mounting groove; 121. a limit buckle; 2. a slide base; 21. a chute; 211. a U-shaped opening; 212. a sliding table; 22. buckling; 23. a clamping groove; 3. a top rod; 31. a first slider; 32. a second slider; 4. an elastic member; 5. a drive member; 51. a clamping part; 10. an automatic door opening mechanism; 20. a body; 30. an upper front beam; 40. a door body.

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", "right", etc. are used in an orientation or positional relationship based on that 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 particular orientation, be constructed and operated in a particular orientation, 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.

The utility model provides an automatic door opening mechanism 10, its domestic appliance who is applied to needs automatic opening the door can be opened domestic appliance's the door body 40 is automatic. The household appliance may be a dishwasher, a microwave oven, an oven, etc., and the embodiment is described by taking a dishwasher as an example. As shown in fig. 1 and 2, the dishwasher includes a body 20, an upper front beam 30 mounted on the body 20, and a door 40 located in front of the upper front beam 30, wherein the automatic door opening mechanism 10 is mounted on the upper front beam 30 and can push open the door 40 to automatically open the door 40.

Referring to fig. 3, the automatic door opening mechanism 10 includes a mounting seat 1, a sliding seat 2, a push rod 3, an elastic member 4 and a driving member 5, wherein the sliding seat 2 and the driving member 5 are both mounted on the mounting seat 1, the sliding seat 2 can slide linearly relative to the mounting seat 1, the push rod 3 is slidably disposed in the sliding seat 2, the elastic member 4 is mounted between the push rod 3 and the sliding seat 2, the push rod 3 is supported by the elastic member 4, and the push rod 3 can slide along with the sliding seat 2 without external force. The driving member 5 is connected to the sliding seat 2 in a driving manner, and can drive the sliding seat 2 to slide linearly, so that the push rod 3 sliding along with the sliding seat 2 pushes the door 40 open.

In this embodiment, the mounting seat 1 is mounted on the upper front beam 30, and referring to fig. 4, the mounting seat 1 includes a first mounting groove 11 and a second mounting groove 12, and the first mounting groove 11 is communicated with the second mounting groove 12. The sliding base 2 is slidably disposed in the first mounting groove 11, and preferably, sliding holes 112 are disposed on two sides of the first mounting groove 11 along the moving direction of the top bar 3, and the sliding holes 112 may be rectangular holes or long holes. The two sides of the sliding seat 2 are correspondingly provided with the buckles 22, and each buckle 22 is slidably arranged in the corresponding sliding hole 112 to realize sliding support of the sliding seat 2, so that the sliding seat 2 can slide relative to the mounting seat 1.

A through hole 111 is formed at one end of the first mounting groove 11 not communicated with the second mounting groove 12, and one end of the push rod 3 can penetrate through the through hole 111.

The second mounting groove 12 is used for mounting the driving member 5, and one side of the second mounting groove 12 is provided with an opening for connecting and placing the cable of the driving member 5.

Referring to fig. 5, the slide base 2 is provided with a slide groove 21, and the push rod 3 is slidably disposed in the slide groove 21. A U-shaped opening 211 is provided at one end of the sliding groove 21, one end of the push rod 3 can be disposed through the U-shaped opening 211, and specifically, the end of the push rod 3 can be disposed through the U-shaped opening 211 and the through hole 111 in sequence, and when the automatic door opening mechanism 10 of the present embodiment is mounted on the upper front beam 30, the end of the push rod 3 can also be disposed through the upper front beam 30, so as to realize the operation of pushing open the door body 40.

Further, referring to fig. 6, the other end of the top rod 3 of the present embodiment is provided with a sliding portion, which is disposed in the sliding groove 21 and can be limited by the U-shaped opening 211. Specifically, the maximum diameter of the sliding portion is larger than the width of the U-shaped opening 211, and after the push rod 3 passes through the U-shaped opening 211, the push rod cannot completely separate from the sliding groove 21, but is limited by the sliding groove 21.

Optionally, in this embodiment, the sliding portion includes two first sliders 31 symmetrically disposed on two sides and a second slider 32 disposed at the bottom, and the two first sliders 31 and the second slider 32 are circumferentially disposed at the other end of the top bar 3 (shown in fig. 6). Accordingly, sliding tables 212 (shown in fig. 5) are provided on both sides of the slide groove 21 in the moving direction of the ram 3, and the first slider 31 is slidably disposed on the corresponding sliding table 212 and can be supported by the sliding table 212. The second slider 32 slides on the bottom of the slide groove 21. Through the setting of this first slider 31 and second slider 32, can realize the stable slip of ejector pin 3 in spout 21, and then more stable when making ejector pin 3 open the door.

The elastic member 4 is disposed in the sliding slot 21, and one end thereof can be fixedly connected to the sliding slot 21, and the other end thereof is fixedly connected to or abutted against the sliding portion of the push rod 3. In this embodiment, the elastic member 4 is disposed in a compressed state, and the push rod 3 can be elastically fixed in the sliding groove 21 through the elastic member 4 in the compressed state, and when the push rod 3 is not opened, the sliding portion of the push rod 3 is tightly attached to the U-shaped opening 211 of the sliding groove 21 and is limited by the U-shaped opening 211 under the action of the elastic member 4. The deformation amount of the elastic member 4 continuously compressed in this embodiment is smaller than the length of the push rod 3 extending out of the U-shaped opening 211, so that the push rod 3 can be ensured to push the door body 40 open under the driving of the driving member 5, and the situation that the door body 40 cannot be opened due to the fact that the door body 40 compresses the elastic member 4 can also be avoided. In this embodiment, when the sliding portion of the push rod 3 is tightly attached to the U-shaped opening 211 of the sliding slot 21, the elastic member 4 may be directly in the maximum compression state, and at this time, when the push rod 3 acts on the door body 40, the door body 40 cannot compress the elastic member 4 (that is, the amount of deformation of the elastic member 4 continuing to compress is zero), and the driving member 5 can directly drive the push rod 3 to open the door body 40. It can be understood that, when the sliding part of the push rod 3 is tightly attached to the U-shaped opening 211 of the sliding chute 21, the elastic member 4 may also be in a non-maximum compression state, and at this time, when the push rod 3 acts on the door body 40, the door body 40 will compress the elastic member 4 to the maximum compression state first, and then will be opened by the push rod 3. Preferably, the elastic member 4 of the present embodiment is a spring.

It should be noted that, in the push rod 3 of the present embodiment, when the driving member 5 is not activated, the end of the push rod 3 passing through the U-shaped opening 211 is located in the first mounting groove 11, and does not pass through the through hole 111. When the driving member 5 is started, the driving member 5 drives the sliding base 2 and the push rod 3 to slide, and at this time, one end of the push rod 3, which penetrates through the U-shaped opening 211, can extend out of the through hole 111 and the upper front beam 30, so as to push open the door 40.

In the present embodiment, the driving member 5 may be a member having a linear driving function, such as a linear motor or a linear motor. As shown in fig. 7, the output end of the driving member 5 is provided with a clamping portion 51, one end of the sliding seat 2 is provided with a clamping groove 23, and the clamping portion 51 is clamped and fixed in the clamping groove 23, so as to realize the driving connection between the driving member 5 and the sliding seat 2. Further, in this embodiment, the upper end portion of the second mounting groove 12 is mounted on a plurality of position-limiting buckles 121, and when the driving member 5 is mounted in the second mounting groove 12, the position-limiting buckles 121 can clamp and limit the driving member 5.

The utility model also provides a household appliance, including foretell automatic door opening mechanism 10, when the door body 40 is opened to needs, accessible driving piece 5 drive slide 2 and ejector pin 3 together slide, and ejector pin 3 is driven and is passed through-hole 111 and go up front-axle beam 30 this moment, backs down the door body 40.

After opening door body 40, if driving piece 5 did not drive slide 2 and ejector pin 3 and withdraws, this moment ejector pin 3 one end arrange in outside the front beam 30, if the user did not notice closing door body 40 this moment, door body 40 can exert pressure to ejector pin 3, and elastic component 4 can cushion ejector pin 3 this moment, and then has avoided the rigidity collision of door body 40 and ejector pin 3 for door body 40 and ejector pin 3 can not damage. In addition, when the push rod 3 is acted by other external force, the automatic door opening mechanism 10 has a self-protection function by buffering the push rod 3, particularly comprises the driving part 5 and prevents the driving part from being damaged.

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

1. An automatic door opening mechanism (10), comprising:

a mounting seat (1);

the sliding seat (2) is arranged on the mounting seat (1) in a sliding manner, and a sliding groove (21) is formed in the sliding seat (2);

the ejector rod (3) is arranged in the sliding groove (21) in a sliding mode and can be limited by the sliding groove (21);

the elastic piece (4) is arranged between the ejector rod (3) and the sliding seat (2), and the elastic piece (4) is in a compressed state;

driving piece (5), driving piece (5) install in mount pad (1), just driving piece (5) drive connect in slide (2) are used for driving slide (2) straight line slides.

2. The automatic door opening mechanism (10) according to claim 1, wherein one end of the sliding groove (21) is provided with a U-shaped opening (211), one end of the push rod (3) is arranged to penetrate through the U-shaped opening (211), the other end of the push rod (3) is provided with a sliding part, and the sliding part is arranged in the sliding groove (21) and can be limited by the U-shaped opening (211).

3. The automatic door opening mechanism (10) according to claim 2, wherein sliding tables (212) are provided on both sides of the sliding groove (21) in the moving direction of the jack (3), and both sides of the sliding portion slide on the sliding tables (212).

4. The automatic door opening mechanism (10) according to claim 3, wherein the sliding portion comprises two first sliding blocks (31) symmetrically arranged at two sides and a second sliding block (32) arranged at the bottom, the first sliding blocks (31) are slidably supported on the sliding table (212), and the second sliding blocks (32) are slidably arranged at the bottom of the sliding groove (21).

5. The automatic door opening mechanism (10) according to claim 1, wherein a first mounting groove (11) is formed on the mounting seat (1), and the sliding seat (2) is slidably disposed in the first mounting groove (11).

6. The automatic door opening mechanism (10) according to claim 5, wherein a through hole (111) is opened at one end of the first mounting groove (11), and one end of the push rod (3) is arranged to penetrate through the through hole (111).

7. The automatic door opening mechanism (10) according to claim 5 or 6, wherein two sides of the sliding seat (2) are provided with buckles (22), two sides of the first mounting groove (11) are provided with sliding holes (112) along the moving direction of the push rod (3), and the buckles (22) are slidably arranged in the sliding holes (112).

8. The automatic door opening mechanism (10) according to claim 1, wherein a clamping groove (23) is formed at one end of the sliding seat (2), a clamping portion (51) is arranged at an output end of the driving member (5), and the clamping portion (51) is clamped in the clamping groove (23).

9. The automatic door opening mechanism (10) according to claim 1 or 8, wherein a second mounting groove (12) is formed on the mounting seat (1), and the driving member (5) is mounted in the second mounting groove (12).

10. An electric household appliance, characterized in that it comprises an automatic door opening mechanism (10) according to any one of claims 1 to 9.