阅读说明：本技术 自动双开门组件结构及其装配方法、冰箱 (Automatic double-opening door assembly structure, assembling method thereof and refrigerator ) 是由 陈小平 李之龙 周翔 金永昌 陈波 刘军 于 2020-05-11 设计创作，主要内容包括：本发明涉及一种自动双开门组件结构,包括固定于家电箱体一端的自动双开门组件本体；自动双开门组件本体包括：两开门执行装置、基座,基座沿两开门执行装置布设方向的两侧还分别包括一连接组件,基座通过两侧的连接组件分别与家电箱体两侧的铰链盖固定连接；自动开门时,两开门执行装置执行自动开门,以将家电两侧的门体顶出并脱离磁性密封。本发明还涉及该结构的装配方法、冰箱。本发明提供的自动双开门组件结构可适配不同型号的家电,解决了现有技术中自动双开门组件结构普适性差,对冰箱电路改动大的问题。(The invention relates to an automatic double-door assembly structure, which comprises an automatic double-door assembly body fixed at one end of a household appliance box body; automatic two subassembly bodies that open door include: the two sides of the base along the arrangement direction of the two door opening execution devices respectively comprise a connecting component, and the base is respectively fixedly connected with hinge covers at two sides of the household appliance box body through the connecting components at two sides; when the door is opened automatically, the two door opening executing devices execute automatic door opening so as to eject the door bodies on two sides of the household appliance out and separate from magnetic sealing. The invention also relates to an assembly method of the structure and a refrigerator. The automatic double-door assembly structure provided by the invention can be adapted to different types of household appliances, and solves the problems that the automatic double-door assembly structure in the prior art is poor in universality and large in change of a refrigerator circuit.)

1. An automatic double door assembly structure comprises an automatic double door assembly body fixed at one end of a household appliance box body; its characterized in that, automatic two subassembly bodies that open door include:

two door opening executing devices configured to execute automatic door opening;

the base is used for accommodating the door opening execution device and is fixedly arranged at one end of the household appliance box body;

the two sides of the base along the arrangement direction of the two door opening execution devices respectively comprise a connecting component, and the base is respectively and fixedly connected with the hinge covers at the two sides of the household appliance box body through the connecting components at the two sides; when the door is opened automatically, the two door opening executing devices execute automatic door opening so as to eject the door bodies on two sides of the household appliance out and separate from magnetic sealing.

2. The automatic dual door assembly structure of claim 1, further comprising a housing engaged with the base, wherein an installation space for accommodating a door opening actuator is formed between the base and the housing, and the base and the housing are integrally formed or assembled.

3. The automatic double door assembly structure as recited in claim 2, wherein at least one gap exists between said cover and said base.

4. The automatic double door assembly structure as claimed in claim 2, wherein the coupling assembly is a first coupling part extended from both sides of the base in the direction of laying the two door opening actuators, the first coupling part including at least a first locking groove, the first locking groove being matched with a first locking tongue of the second coupling part of the hinge cover to fix the first coupling part to one side of the second coupling part.

5. The automatic double door assembly structure of claim 4, wherein the first connection portion further comprises a second locking tongue that mates with a second locking groove of a third connection portion on the cover to secure the cover over the base.

6. The automatic double door assembly structure of claim 2, wherein the side of the casing close to the appliance housing further comprises a third latch, the third latch is bent and extended from the casing to a position close to the appliance housing to form a bent structure, and the bent structure is used for matching with a third locking groove on the hinge cover to fixedly connect the casing to the hinge cover.

7. The automatic double door assembly structure according to claim 2, wherein the two sides of the housing away from the center of the household appliance door body further comprise a first groove respectively, and the parts of the two hinge covers are embedded into the first grooves respectively, so that the two hinge covers and the automatic double door assembly body form a consistent integral structure.

8. The automatic double door assembly structure of claim 2, wherein said housing further comprises a plurality of sound holes on a side adjacent to the appliance door body.

9. The automatic dual door assembly structure of claim 1, wherein said base includes a first placement area, a second placement area; the first placing area and the second placing area are respectively provided with a main control board, and the two main control boards are positioned at the same side or different sides of the two door opening execution devices.

10. The automatic dual door assembly structure of claim 1 wherein said base is positioned proximate to an edge of the appliance cabinet adjacent to one side of the appliance door body.

11. The automatic dual door assembly structure of claim 1 wherein said base further comprises at least one support structure for securing a horn to said base.

12. The automatic double door assembly structure as recited in claim 11, wherein said support structures are each obliquely disposed with respect to said base to obliquely secure the horn to said base.

13. The automatic double door assembly structure of claim 11 wherein said base includes two support structures, said support structures being spaced apart on opposite sides of said base.

14. A refrigerator comprises a refrigerator body and a door body; characterized in that one end of the cabinet includes the automatic double door assembly structure according to any one of claims 1 to 13 to automatically open the door bodies at both sides of the refrigerator.

15. The refrigerator of claim 14 wherein said automatic double door assembly structure is provided at the top or bottom of the refrigerator cabinet.

16. An automatic double door assembly structure assembling method is characterized by comprising the following steps:

the hinge covers at two sides of the household appliance are fixedly arranged at two sides of one end of the household appliance box body;

the base is arranged between the two hinge covers on the household appliance box body and fixedly connected with the two hinge covers through the connecting components on the two sides of the base so as to realize the fixed assembly of the base and the two hinge covers.

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to an automatic double-door assembly structure, an assembling method thereof and a refrigerator.

Background

With the improvement of living standard, intelligent household appliances are increasingly popular and accepted in the market. At present, a user tends to use household appliances with large volumes and double doors, but the household appliance door with large volumes has large sealing suction force, and an automatic double-door component is needed to improve the use experience of the user.

However, when the conventional automatic door opening assembly is installed on a household appliance box body, a control circuit of the household appliance needs to be changed to configure and control the automatic door opening assembly to execute automatic door opening, so that the conventional automatic door opening assembly is poor in universality, cannot adapt to household appliances of different models, and is complex in installation process.

So need improve the structure of the automatic subassembly that opens the door, optimize its structural design, design a neotype automatic two subassembly structures that open the door and solve above-mentioned problem.

Disclosure of Invention

In order to overcome the defects of the prior art, the first object of the invention is to provide an automatic double door assembly structure, which comprises an automatic double door assembly body fixed at one end of a household appliance box body; automatic two subassembly bodies that open door include:

two door opening executing devices configured to execute automatic door opening;

the base is used for accommodating the door opening execution device and is fixedly arranged at one end of the household appliance box body;

the two sides of the base along the arrangement direction of the two door opening execution devices respectively comprise a connecting component, and the base is respectively and fixedly connected with the hinge covers at the two sides of the household appliance box body through the connecting components at the two sides; when the door is opened automatically, the two door opening executing devices execute automatic door opening so as to eject the door bodies on two sides of the household appliance out and separate from magnetic sealing.

Preferably, the door opening device further comprises a cover case buckled with the base, an installation space for accommodating the door opening actuating device is formed between the base and the cover case, and the base and the cover case are integrally formed or assembled.

Preferably, there is at least one gap between the cover and the base.

Preferably, the connecting assembly is a first connecting portion extending from the base along two sides of the arrangement direction of the two door opening actuators, the first connecting portion at least comprises a first locking groove, and the first locking groove is matched with a first locking tongue of the second connecting portion on the hinge cover so as to fix the first connecting portion on one side of the second connecting portion.

Preferably, the first connecting portion further comprises a second lock tongue, and the second lock tongue is matched with a second lock groove of the third connecting portion on the housing so as to fix the housing above the base.

Preferably, the housing is close to household electrical appliances box one side still includes the third spring bolt, the third spring bolt is buckled from the housing and is extended in order to form one and buckle the structure toward being close to household electrical appliances box, buckle the structure be used for with the hinge cover on the third locked groove phase-match to cover housing fixed connection in the hinge cover.

Preferably, the two sides of the cover shell far away from the center of the household appliance door body further respectively comprise a first groove, and the parts of the two hinge covers are respectively embedded into the first grooves, so that the two hinge covers and the automatic double-door assembly body form a consistent integral structure.

Preferably, one side of the cover shell close to the household appliance door body further comprises a plurality of sound emitting holes.

Preferably, the base comprises a first placing area and a second placing area; the first placing area and the second placing area are respectively provided with a main control board, and the two main control boards are positioned at the same side or different sides of the two door opening execution devices.

Preferably, the base is arranged close to the edge of the household appliance box body close to one side of the household appliance door body.

Preferably, the base further comprises at least one support structure for securing the horn to the base.

Preferably, the support structures are respectively arranged obliquely with the bases so as to obliquely fix the horn to the bases.

Preferably, the base comprises two support structures, and the two support structures are respectively arranged on two sides of the base.

The second purpose of the invention is to provide a refrigerator, which comprises a refrigerator body and a door body; one end of the refrigerator body comprises the automatic double-door assembly structure so as to automatically open the door bodies on two sides of the refrigerator.

Preferably, the automatic double door assembly structure is arranged at the top or the bottom of the refrigerator body.

A third object of the present invention is to provide an automatic double door assembly structure assembling method, comprising the steps of:

the hinge covers at two sides of the household appliance are fixedly arranged at two sides of one end of the household appliance box body;

the base is arranged between the two hinge covers on the household appliance box body and fixedly connected with the two hinge covers through the connecting components on the two sides of the base so as to realize the fixed assembly of the base and the two hinge covers.

Compared with the prior art, the invention has the beneficial effects that:

(1) the automatic double-door assembly structure can be suitable for sharing the middle part of multiple household appliances, is convenient for being suitable for the automatic double-door assembly structure of the middle part on the household appliances without width series, and only needs to newly open the left and right hinge covers to be matched with the middle part.

(2) The base is protected by arranging the housing, so that ash falling, water inflow and the like are prevented; the outline of the cover shell is larger than that of the base, so that the components on the base can dissipate heat conveniently.

(3) Set up first recess through the both sides of keeping away from household electrical appliances door body center at the housing to in the first recess of part embedding of hinge cover, form consistent overall structure, promote user experience.

(4) Through setting up base along household electrical appliances box border, reduce the stroke of actuating device that opens the door, simultaneously, improve loudspeaker and play sound effect.

(5) Through setting up bearing structure and base slope for the radio reception has wider scope or can transmit to wider scope when loudspeaker are sounded.

(6) The two supporting structures are arranged for supporting the loudspeaker, so that the sound emitted by the loudspeaker covers the noise emitted by the automatic door opening assembly structure when the automatic door opening operation is executed in an all-round manner; in addition, the sound can be transmitted more widely and comprehensively.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic structural view of an automatic double door assembly according to one embodiment of the present invention;

FIG. 2 is an exploded view of the automatic double door assembly configuration of the present invention in one embodiment;

FIG. 3 is a schematic view of a housing according to an embodiment of the present invention;

FIG. 4 is a schematic view of a base structure according to an embodiment of the present invention;

FIG. 5 is a schematic view of a hinged cover construction in one embodiment of the present invention;

FIG. 6 is a partial schematic view of a base including an electromagnetic induction module according to one embodiment of the present invention;

FIG. 7 is a schematic structural diagram of an electromagnetic induction module according to an embodiment of the present invention;

FIG. 8 is a partial structural view of a base with a conical coil spring according to an embodiment of the present invention;

FIG. 9 is a partial structural view of a base in an embodiment of the invention;

fig. 10 is a schematic view of an overall structure of a refrigerator according to an embodiment of the present invention.

Shown in the figure:

100. the automatic double door assembly comprises an automatic double door assembly body, 11, a cover shell, 111, a third connecting part, 1111, a second locking groove, 112, a third bolt, 113, a connecting seat, 114, a first fixing hole, 115, a through hole, 116, a first groove, 117, a sounding hole, 12, a base, 121, a first connecting part, 1211, a second bolt, 1212, a first locking groove, 122, a rubber cap, 123, a push rod, 124, a main control board, 125, a loudspeaker and 126, a second groove 127, a first fixing seat, 14, a buffer member, 15, an elastic member, 128, a second fixing seat, 129, a hollow-out portion, 130, an open slot, 131, a first open slot, 132, a second open slot, 133, a first placing area, 134, a second placing area, 135, a door opening executing device, 17, an electromagnetic induction module, 19, a second shell, 191, a mounting seat, 192, a rubber pad, 193, a first extending portion, 194, a second extending portion, 195, and a mounting groove;

200. a hinge cover 210, a second connecting part 2101, a first bolt, 2102, a second fixing hole, 211, a third fixing hole, 212 and a third locking groove;

300. refrigerator 310, refrigerator body 320, door body.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

Example one

As shown in fig. 1 to 10, an automatic double door assembly structure includes an automatic double door assembly body 100 fixed to one end of a home appliance cabinet. The home appliance is a home appliance such as a refrigerator 300 provided with two doors, wherein the automatic double-opening door assembly body 100 is mounted on the top of a home appliance box body or the bottom of the home appliance box body through a fixing structure; when the automatic double-door assembly body 100 is installed at the top or the bottom of the box body, the automatic double-door assembly body 100 can be fixed on the surface of the box body or embedded into a household appliance box body, but the automatic double-door assembly body 100 is not influenced to automatically open the door after the household appliance box body is embedded.

The automatic double door assembly body 100 includes: two door opening actuators 135 are configured to perform automatic door opening. The door opening actuator 135 can be any door opening actuator, such as a mechanical door opening actuator, and a gear rack is driven by a motor to push the door 320 of the refrigerator; for example, an electromagnetic door opener uses the principle of electromagnetic induction to push an iron core to move towards the door 320 of a refrigerator. In order to configure the door opening actuator 135, the automatic double door assembly body 100 further includes a base 12, the base 12 is a housing extending along a direction, the bottom of the base 12 is fixedly installed at one end of the refrigerator body 310 to realize the initial fixing of the automatic double door assembly body 100, and the base 12 is configured to receive the door opening actuator 135, so that the automatic double door assembly body 100 forms an independent automatic double door assembly body 100.

In some embodiments, the automatic double door assembly body 100 further includes at least one main control board 124, and when only one main control board 124 is included, two door opening actuators 135 are respectively configured to the main control board 124 to perform automatic door opening, in which case, the volume of the entire automatic double door assembly body 100 may be reduced. In other embodiments, for the convenience of independent control and maintenance, the automatic double door assembly 100 includes two main control boards 124, and the two main control boards 124 are respectively used for independently controlling the two door opening actuators 135.

The automatic double-door assembly body 100 and the hinge cover 200 can be independently arranged, but when the automatic double-door assembly body and the hinge cover are independently arranged, a plurality of parts are borne on the household appliance box body, the layout is messy, and the user experience is poor. In order to promote user experience, can assemble into a structure with hinge cover 200 and automatic two subassembly bodies 100 that open door, but the household electrical appliances of different models have different box widths, in order to promote automatic two universality of opening door subassembly body 100 in this embodiment, only need newly open about hinge cover 200 and the automatic cooperation of two subassembly bodies 100 that open door subassembly body 100 to same automatic, so that directly install on different width series household electrical appliances, use, need not to change the original circuit of household electrical appliances.

At this time, as shown in fig. 1 to 5, the hinge cover 200 includes at least a plurality of third fixing holes 211, and a fixing member such as a screw or the like is inserted into the third fixing holes 211 to fix the hinge cover 200 to one side of the cabinet 310 of the refrigerator. When the home appliance is a double-door home appliance, the two hinge covers 200 are respectively fixed to left and right sides of one end of the cabinet 310 of the refrigerator. After two hinge covers 200 are fixed, put into between two hinge covers 200 with automatic two subassembly bodies 100 that open door, base 12 respectively with the hinge cover 200 fixed connection of household electrical appliances box both sides through the coupling assembling of both sides, hinge cover 200 lays two coupling assembling and base 12 fixed connection of both sides of direction through base 12 along two actuating device 135 that open door promptly for the hinge cover of household electrical appliances both sides is through the double-phase offside of this coupling assembling difference fixed connection to base 12, this coupling assembling is joint structure, common fixed link structure in the field such as spiro union structure. At this time, only the hinge cover 200 with low processing cost needs to be newly opened for different types of home appliances.

When the door is opened automatically, under the action of the main control panel 124, the two door opening executing devices 135 are controlled to execute automatic door opening, so that the door bodies 320 on the two sides of the household appliance are ejected out and separated from the magnetic seal.

The door opening executing device 135 comprises an electromagnetic induction module 17, and the electromagnetic induction module 17 is fixed on the household appliance box body; in one embodiment, the electromagnetic induction module 17 is partially embedded in the household appliance cabinet, i.e. the volume occupied by the door opening actuator is reduced, and the electromagnetic induction module is not influenced to trigger the columnar push rod to move towards the door 320 of the refrigerator. The electromagnetic induction module 17 includes a solenoid, a push rod 123, and the solenoid is slidably connected to the push rod 123 such that the push rod 123 can slide in the solenoid. The push rod 123 does not contact the household appliance door body in the initial state (under the condition that the household appliance door body is closed), namely, a certain distance exists between the push rod and the household appliance door body; or against the appliance door body but not so much as to cause the appliance door body to break away from the magnetic seal. In one embodiment, the push rod 123 is an iron core; in another embodiment, the push rod 123 includes an iron core, the solenoid drives the iron core to move after being powered, and the iron core drives the push rod 123 connected with the iron core to move toward the door 320 of the refrigerator.

In an embodiment, the base 12 further includes a second housing 19, the second housing 19 is a housing extending along a direction, and the electromagnetic induction module 17 is disposed in the second housing 19, that is, the second housing 19 is wrapped around the electromagnetic induction module 17. The second housing 19 further includes at least one first extension 193, the first extension 193 extends along the moving direction of the push rod 123, and the base 12 is integrally formed or assembled with the second housing 19. In one embodiment, when there are two first extending portions 193, the two first extending portions 193 are respectively disposed on two sides of the second housing 19, that is, the two first extending portions 193 are respectively disposed on two sides of the electromagnetic induction module 17.

In an embodiment, the base 12 further includes at least two mounting seats 191 respectively disposed at two ends of the door opening actuator body to provide support for the door opening actuator body, and when the door opening actuator includes the electromagnetic induction module 17, the mounting seats 191 are used to fix the electromagnetic induction module on the base 12. In one embodiment, the door opening actuator 135 is an electromagnetic induction module 17, the mounting seat 191 is respectively disposed at two ends of the electromagnetic induction module 17, and the electromagnetic induction module 17 is fixed on the mounting seat 191 through an additional structure distributed thereon. In one embodiment, the additional structure is a securing ear. The mount 191 is disposed along the moving direction of the push rod 123. The first extension 193 further includes at least one mounting groove 195, and the mounting groove 195 is mounted on the mounting seat 191 to fix the third housing 19 to the second housing 12. In one embodiment, the refrigerator further comprises at least one shock-absorbing member fixed to the mounting seat 191 through the mounting groove 195 to reduce noise generated when the door opening actuator is actuated. In one embodiment, when the shock absorbing member is a rubber pad 192, the rubber pad 192 is a double-layer rubber pad, and the rubber pad 192 is sleeved on the mounting seat 191 through a mounting groove 195. When the rubber pad is circular, the mounting groove 195 is also approximately circular. Preferably, the mounting seat 191 is disposed along the moving direction of the push rod 123, and at this time, a shock-absorbing rubber pad may be disposed on the mounting seat 191 to reduce the shock of the push rod 123 during the movement.

The base 12 includes a hollow portion 129 on a surface thereof for receiving the door opening actuator. The hollow portion 129 is located at the bottom of the electromagnetic induction module, namely, below the heating source solenoid of the electromagnetic induction module, the hollow portion 129 extends along the extending direction of the base 12 and is used for providing a heat dissipation area for the household appliance door opening execution device, the hollow portion 129 is used for conducting heat generated by the household appliance door opening execution device to the household appliance box body, the household appliance box body has a large surface area, and the household appliance box body is subjected to heat exchange with the surrounding environment to realize heat dissipation of the household appliance door opening execution device.

In one embodiment, the size of the hollow portion 129 is smaller than that of the solenoid of the electromagnetic induction module 17, that is, a partial area of the solenoid of the electromagnetic induction module 17 cannot directly dissipate heat through the hollow portion 129; however, the solenoid of the electromagnetic induction module 17 can be directly placed on the hollow portion 129 without any mounting/fixing/supporting structure.

In one embodiment, when the size of the hollow portion 129 is larger than or equal to the size of the electromagnetic induction module solenoid, the base 12 further includes at least two mounting seats 191, and the electromagnetic induction module 17 solenoid is fixed on the base 12 through the mounting seats 191.

In an embodiment, the second casing 19 further includes a second extending portion 194, the second extending portion 194 extends along the hollow portion 129 so that the second casing 19 is sleeved in the hollow portion 129, and a length of the second extending portion 194 may be equal to a thickness of the hollow portion. In an embodiment, the length of the second extending portion is greater than the thickness of the hollow portion 129, so that a larger gap is formed between the second casing 19 and the refrigerator body for heat dissipation. In an embodiment, the second extending portions 194 extend along a plane perpendicular to the base 12, when there are only two second extending portions, the second extending portions 194 are disposed oppositely, and the second shell 19 is sleeved in the hollow portion 129 through the second extending portions 194 to provide a support for the second shell 19. In addition, due to the existence of the second extension part 194, a larger gap is formed between the solenoid of the electromagnetic induction module 17 in the second housing 19 and the box body, and the gap is larger than the gap directly placed on the base, and the solenoid of the electromagnetic induction module 17 has a larger heat exchange space for dissipating heat through the gap.

The push rod 123 further includes an abutting portion, which is an extension part disposed at the front end of the push rod 123 (near the end of the household appliance door body) or an extension part disposed at a side of the push rod 123. When the abutting portion is an extension part provided at the front end of the push rod 123, the extension part is a boss, and the boss is rectangular, square, circular, or the like. When the interference part is an extension part arranged on one side of the push rod 123, the length of the extension part is longer than that of the main body of the push rod 123, so that the refrigerator door 320 can be opened through the extension part in the door opening process of the household appliance. In order to prevent the push rod 123 from damaging the door body 320 of the refrigerator, the front end of the interference portion is preferably provided in an arc shape. In one embodiment, the interference portion is a rubber cap 122.

In one embodiment, a resilient member 15 is disposed between the pushrod 123 and the base 12. The end of the push rod 123, which is far away from the door body 320 of the refrigerator, further includes an elastic member 15, and the elastic member 15 is sleeved on the periphery of the push rod 123, so that the elastic member 15 drives the push rod 123 to return to an initial position after the solenoid is de-energized. The solenoid can be powered off by receiving an automatic door closing instruction, arranging a touch key on the household appliance or arranging a timer on the household appliance, and controlling the main control panel to be powered off after the household appliance is opened for a period of time.

In one embodiment, a buffer 14 is further included, and the buffer 14 may be a compression spring, a bump sponge, a cushion, or the like. The buffer member 14 is located at one side far away from the door body 320 of the refrigerator, the buffer member 14 is arranged opposite to one end, far away from the door body 320 of the refrigerator, of the push rod 123, so that a buffer structure between the push rod 123 and the base 12 is formed, impact force generated when the push rod 123 rebounds is buffered, and noise possibly generated in the rebounding process is reduced. After the solenoid is de-energized, the elastic member 15 drives the push rod 123 to rebound, and when the push rod 123 collides against the buffer 14, the buffer 14 smoothes the movement of the push rod 123.

In one embodiment, the base 12 further comprises a second fixing seat 128, and the second fixing seat 128 fixes the buffer 14 on the base 12 from different sides of the buffer 14. The second fixing base 128 is integrally formed or assembled with the base 12. The assembly forming comprises screw connection, clamping connection, bonding and the like. The second fixing seat 128 includes an open slot 130 for the buffer member 14 to be inserted into, and the shape of the open slot 130 is almost the same as the shape and size of the buffer member 14, so that the buffer member 14 is stably and lowly disposed in the open slot 130. When the buffer 14 is a compression spring, the open slot 130 is a nearly arched open slot 130. Two sides of the second fixing seat 128 are recessed inwards to form a first opening groove 131 and a second opening groove 132, and different sides of the buffer 14 respectively abut against the first opening groove 131 and the second opening groove 132. In order to ensure that the buffer 14 cannot be easily ejected from the second fixing seat 128, in an embodiment, when the buffer 14 is a compression spring, the compression spring is preferably a conical coil spring, that is, the diameter of the compression spring decreases progressively along the moving direction of the push rod, that is, the diameter of the buffer 14 decreases progressively along the direction toward the door 320 of the refrigerator.

In some embodiments, in order to prevent the base 12 from falling ash, entering water, generating excessive noise, etc. after long-term use, the automatic double door assembly 100 further includes a housing 11 fastened to the base 12, an installation space for accommodating the door opening actuator 135 is formed between the base 12 and the housing 11, and the base 12 and the housing 11 are integrally formed or assembled. When the base 12 and the housing 11 are integrally formed, i.e., the automatic dual door assembly 100 including the door opening actuator 135 is not detachable, the door opening actuator 135 does not cause the base 12 and the housing 11 to shift or move during the movement. Preferably, the base 12 is formed integrally with the housing 11, which facilitates maintenance if the door opening actuator 135 is damaged.

The outline of the cover 11 is larger than that of the base 12, so that a gap is formed between the cover 11 and the base 12; or the housing 11 may be contoured to conform to the contour of the base 12. Specifically, the size of the outline of the cover 11 matches the size of the outline of the base 12 or the size of the outline of the cover 11 is larger than the size of the outline of the base 12, so that the cover 11 and the base 12 form a closed space or a semi-open space. In some embodiments, the cover 11 is sized to follow the contour of the base 12 such that the cover 11 and base 12 snap together to form a closed structure (regardless of the aperture 115 through which the door opener push rod moves); in this case, the housing 11 and the base 12 form a relatively good closed space, and the sound insulation effect is good. In other embodiments, there is at least one gap between the cover 11 and the base 12, which is used to dissipate heat for the body of the automatic double door assembly. Specifically, the size of the outline of the cover 11 is not set according to the size of the outline of the base 12 and the outline of the cover 11 is larger than the outline of the base 12, the cover 11 covers the area of the base 12 to form a plurality of gaps between the cover 11 and the base 12, so that the automatic heat dissipation of the double-door assembly body is facilitated.

The side of the cover 11 close to the door 320 of the refrigerator further includes a connection seat 113, the connection seat 113 is snapped into the second groove 126 of the base 12, and the connection seat 113 may be disposed at an edge of the cover 11 close to the side of the door 320 of the refrigerator, preferably, at the center of the edge, so as to cooperate with the second locking groove 1111 and the second locking tongue 1211 to lock the cover 11 to the base 12.

A plurality of concave parts are further distributed on the edge of one side of the door body 320, far away from the refrigerator, of the cover shell 11, the concave parts are sunken from the cover shell 11 into the refrigerator body 310, the plurality of concave parts correspond to the plurality of first fixing seats 127 on the base 12, the concave parts further comprise first fixing holes 114, and fixing pieces such as screws are placed into the first fixing holes 114 to fix the cover shell 11 on the base 12.

As shown in fig. 1 to 5, the connecting assembly is a first connecting portion 121 extending from the base 12 along two sides of the arrangement direction of the two door opening actuators 135, the first connecting portion 121 at least includes a first locking groove 1212, and the first locking groove 1212 is matched with the first locking tongue 2101 of the second connecting portion 210 on the hinge cover 200, so as to fix the first connecting portion 121 on one side of the second connecting portion 210 through the first locking groove 1212. In other embodiments, the first connection part 121 includes at least a first latch 2101, and the first latch 2101 is matched with the first latch groove 1212 of the second connection part 210 of the hinge cover 200 to fix the first connection part 121 to one side of the second connection part 210 by the first latch 2101. That is, in this embodiment, the first connecting portion 121 and the second connecting portion 210 are fixedly connected through the matching of the locking groove and the locking tongue, and the specific positions of the locking tongue and the locking groove are not limited, as long as the two are matched to realize the fixed connection. In some embodiments, the first locking groove 1212 is a hollow groove, the first locking tongue 2101 is a bump, and the hollow groove and the bump can be any shape, so that the bump can be only clamped into the hollow groove and the bump cannot be easily separated from the hollow groove, so as to fix the first connection portion 121 of the base 12 under the second connection portion 210 of the hinge cover 200.

In some embodiments, the second connecting portion 210 further includes a second fixing hole 2102, and a fixing member, such as a screw, is inserted into the second fixing hole 2102 to fixedly mount the hinge cover 200 to the home appliance housing.

In some embodiments, as shown in fig. 2-4, the first connection portion 121 further includes a second locking tongue 1211, and the second locking tongue 1211 matches with the second locking groove 1111 of the third connection portion 111 of the cover 11 to fix the cover 11 above the base 12. In other embodiments, the first connection portion 121 further includes a second locking slot 1111, and the second locking slot 1111 matches with the second locking tongue 1211 of the third connection portion 111 on the cover 11 to fix the cover 11 above the base 12. That is, in this embodiment, the first connecting portion 121 and the third connecting portion 111 are fixedly connected through the matching of the locking groove and the locking tongue, and the specific positions of the locking tongue and the locking groove are not limited, as long as the two are matched to realize the fixed connection. In some embodiments, the second locking tongue 1211 is a tongue extending from the first connecting portion 121 to the side of the door 320 of the refrigerator, and the second locking groove 1111 is a groove formed on the side of the cover 11 and extending from the side of the cover 11 to the direction close to the center of the base 12, so that the second locking tongue 1211 is inserted into the second locking groove 1111 to fix the cover 11 to the base 12. It should be understood that the second locking tongue 1211 and the second locking groove 1111 may be other mateable pairs of locking members.

As shown in fig. 2, the side of the cover case 11 close to the refrigerator body 310 further includes a third latch bolt 112, the third latch bolt 112 is bent and extended from the cover case 11 to the side close to the refrigerator body 310 to form a bent structure, and the bent structure is used for matching with the third locking groove 212 on the hinge cover 200, so as to fixedly connect the cover case 11 to the hinge cover 200. This bending structure extends in order to form first extension arm from housing 11 department toward household electrical appliances box, and the end of first extension arm extends along the base direction and forms the second extension arm, and first extension arm, second extension arm become the L type roughly, and the end of second extension arm still includes the third extension arm that extends toward household electrical appliances box direction, and the third extension arm can hold in third locked groove 212, and one side of third extension arm can butt third locked groove 212 inner wall. The third locking groove 212 may be a hollow groove of any shape, as long as it can accommodate and constrain the third extension arm.

In some embodiments, two sides of the cover case 11 away from the center of the door body of the refrigerator further include a first groove 116, and portions of the two hinge covers 200 are embedded in the first grooves 116, respectively, so that the two hinge covers 200 and the automatic double door assembly body 100 form a consistent integral structure. As shown in fig. 2 to 3, both sides of the housing 11 respectively include first grooves 116, the first grooves 116 are recessed toward the center of the housing 11, and the first grooves 116 are sized to receive the second connection portions 210 of the hinge covers 200, so that the hinge covers 200 and the automatic double door assembly body 100 form a consistent integral structure.

In some embodiments, the side of the casing 11 adjacent to the door 320 of the refrigerator includes a plurality of sound emitting holes 117, and the sound emitting holes 117 are used for transmitting sound to a user. When a horn is included on the base 12, the sound emitting hole 117 is disposed near the position where the horn is located to maximize sound transmission efficiency. When the household appliance is a double-door household appliance, the cover 11 comprises two through holes 115, the through holes 115 are in any shape, preferably circular, and the push rods of the two door opening actuators 135 in the base 12 move in the through holes 115 to open the household appliance door body.

When the position of the base 12 is arranged, the base 12 only needs to be arranged at one end of the household appliance box body (the top of the household appliance box body or the bottom of the household appliance box body). In some embodiments, when the push rod of the automatic double door device body is initially away from the household appliance door body by a certain distance, in order to shorten the movement space of the push rod on the automatic double door device body and improve the door opening efficiency, the base 12 is tightly attached to the edge of the household appliance box body close to one side of the door body 320 of the refrigerator, so that the push rod only needs to move by a small stroke to abut against the door body 320 of the refrigerator. In addition, if the push rod of the automatic double door opening device initially contacts the household appliance door body but the contact force is not enough to make the household appliance door body separate from the magnetic seal, the processing cost of the push rod can be saved by arranging the base 12 to be closely attached to the edge of the refrigerator body 310 on one side of the refrigerator door body 320.

In some embodiments, the base 12 includes a first placement region 133, a second placement region 134; the first placement area 133 is used for placing a main control board 124, and the second placement area 134 is used for placing a main control board 124; the two main control boards 124 are located on the same side or different sides of the two door opening actuators 135. As shown in fig. 4, the first placing area 133 and the second placing area 134 are located on the same side of the two door opening actuators 135. In some embodiments, the first placement area 133 and the second placement area 134 are located on different sides of the two door opening actuators 135, for example, the first placement area 133 and the second placement area 134 are located on two sides of the base 12, and the two door opening actuators 135 are located between the first placement area 133 and the second placement area 134, in this case, when the first placement area 133 and the second placement area 134 are provided with speakers, it is convenient to record a wider sound or emit a sound to a wider range. In other embodiments, the first placement area 133 and the second placement area 134 may be one area, and in this case, the size of the susceptor 12 may be reduced.

In some embodiments, the base 12 further includes at least one support structure (not shown) thereon for securing the horn 125 to the base 12. The supporting structure is disposed at any position on the refrigerator body 310, and in order to ensure the sound transmission effect, the supporting structure is preferably disposed at a side of the refrigerator body 310 close to the door 320 of the refrigerator. Preferably, each side of the base 12 includes a support structure for securing two horns 125 (one horn) to each side of the base 12. In other embodiments, the two support structures are each angled with respect to the base 12 to mount the horn and/or the tilt to the base, and the angled arrangement is such that the horn 125 transmits a greater range of sound.

Example two

An automatic double door assembly structure assembling method comprises the automatic double door assembly structure, and comprises the following steps:

the first step is as follows: the hinge covers 200 at both sides of the home appliance are fixedly installed at both sides of one end of the home appliance box body; specifically, the hinge covers 200 at both sides of the refrigerator 300 are fixedly installed at both sides of the top or bottom of the cabinet 310 of the refrigerator 300;

the second step is that: the base 12 is installed between the two hinge covers 200 on the household appliance box body and the base 12 is fixedly connected with the two hinge covers 200 through the connecting components at the two sides of the base 12, so that the base and the two hinge covers are fixedly assembled. Specifically, after the left and right hinge covers 200 are fixed to the refrigerator body, the base 12 matches the first locking groove 1212 of the first connecting portion 121 on both sides of the base 12 with the first locking tongue 2101 of the second connecting portion 210 on the hinge cover 200, so as to fix both sides of the base 12 to the left and right hinge covers 200, respectively.

In some embodiments, after the second step, the method further comprises the steps of: the cover 11 is fixedly mounted on the base 12. That is, after the first connection portion 121 of the base 12 is fixedly connected to the second connection portion 210 of the hinge cover 200, the first connection portion 121 of the base 12 is slot-connected to the third connection portion 111 of the cover 11 to fixedly assemble the cover 11 and the base 12. Specifically, after the first connection portion 121 and the second connection portion 210 are fixedly connected, the second lock tongue 1211 on the first connection portion 121 on the base 12 is locked into the second lock groove 1111 of the third connection portion 111 on the cover 11, so as to fixedly mount the cover 11 on the base 12.

In some embodiments, after the second step, the method further comprises the steps of: the housing 11 is slot-jointed with the two hinge covers 200 to realize the fixed assembly of the housing 11 and the two hinge covers 200. Specifically, the third latch bolt 112 on the housing 11 is matched with the third locking groove 212 on the two hinge covers 200, so as to fixedly connect the housing 11 and the two hinge covers 200.

In some embodiments, the housing 11 is pushed from the side of the appliance cabinet to the side of the appliance door body when the housing 11 is installed. Specifically, when the cover 11 is installed, the cover 11 is pushed in from the side of the refrigerator body 310 of the refrigerator 300 to the side of the door body 320 of the refrigerator 300, so as to control the installation direction of the cover 11 and ensure that the cover 11 and the hinge cover 200 are well assembled.

EXAMPLE III

A refrigerator comprises a refrigerator body and a door body; one end of the refrigerator body comprises the automatic double-door assembly structure in the embodiment so as to automatically open the door bodies on two sides of the refrigerator. The automatic double door assembly structure is arranged at the top or the bottom of the refrigerator body. When the automatic double-door assembly structure is arranged at the top end of the refrigerator body, the structure is convenient to install and maintain; the automatic double-door assembly structure can also be arranged at the bottom of the refrigerator body, and the use experience of customers can be improved after the structure is hidden.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.