CN111561801B - Automatic door-opening refrigerator - Google Patents

Abstract

The invention proposes an automatic door-opening refrigerator, which includes a box body and a door body. The door body is hinged to the box body through a door hinge. The door hinge is assembled on the box body or the door body. There are two door hinges, one of which is connected to A door-opening structure is provided between the door body or the box body to automatically open the door body. A locking mechanism that cooperates with each other is also provided on the door body and the box body. The locking mechanism locks the door body when the door is closed, and receives The door lock can be released after reaching the door strength. The refrigerator in the present invention can apply force to the door body of the refrigerator when opening the door, so that the locking mechanism that locks the door body can release the lock on the door body, and then the door body can be automatically opened through the door opening structure to realize automatic door opening, and the present invention The refrigerator with automatic door opening does not need to be equipped with a handle. It only needs to apply force to the door body to unlock the door body, and the door body can be opened automatically, so that it can meet the needs of being embedded in the cabinet without increasing the size of the refrigerator.

Description

An automatic door refrigerator

technical field

The invention relates to a refrigerator with an automatic door opening.

Background technique

As people demand more and more space for kitchen interiors, built-in refrigerators are becoming more and more popular when users purchase them. However, since the refrigerator is embedded in the cabinet, the way to open the door has not been effectively solved. The door opening methods of existing refrigerators are mainly realized by two structures: hidden power-assisted handle and external power-assisted handle. However, because the built-in refrigerator is embedded in the cabinet, the gap between the refrigerator door and the cabinet is very small. If the hidden power-assisted handle is used, then It is impossible to reach out to operate the hidden booster handle when the door is closed; another external booster handle needs to be assembled outside the refrigerator, which will occupy most of the external space and increase the overall size of the refrigerator.

Contents of the invention

The invention provides a refrigerator with an automatic door opening, which solves the problem of inconvenient door opening operation existing in the prior art embedded refrigerator.

In order to solve the above-mentioned technical problems, the present invention proposes that the automatic door-opening refrigerator adopts the following technical solutions to realize: A kind of automatic door-opening refrigerator includes a box body and a door body, the door body is hinged with the box body through a door hinge, and the door hinge is assembled on the box body. On the body or the door body, there are two door hinges, one of which is provided with a door opening structure that allows the door to open automatically between the door hinge and the door body or the box body. A locking mechanism, which locks the door body when the door is closed, and can unlock the door body after receiving the force of the door body when the door is opened.

The present invention also includes the following additional technical features:

Further, a damping structure is provided between the other door hinge and the door body or the box body, the damping structure includes a damping wheel and a damping shaft, the damping wheel is rotated on the damping shaft, between the damping shaft and the damping wheel A damping fluid is provided, the damping shaft is installed on the door hinge, and the damping wheel is fixed on the door/cabinet.

Further, the door opening structure includes an elastic knob, one end of which is fixed to the door body or the box, and the other end is fixed to the door hinge.

Further, the locking mechanism includes a locking block, a locking piece, and a locking bar, the locking piece is arranged on the locking block, and the locking block and the locking piece are formed with a locking bar that allows the locking bar to slide. The chute and the limiting structure that can make the locking bar slide into position when the door is closed, the chute includes a door closing chute and a door opening chute.

Further, the limiting structure includes a recessed portion arranged on the locking member and a limiting step formed at the sliding end of the door closing chute, the recessed portion is arranged opposite to the limiting step, and the locking rod The slide-out end of the door-closing chute slides into the space between the recessed part and the limit step to be locked and fixed.

Further, the door-closing chute includes a door-closing guide chute and a first door-closing chute communicating with the door-closing guide chute, the first door-closing chute is formed by indenting toward the inside of the locking block, and the bottom surface of the door-closing guide chute is higher than the first door-closing chute A bottom surface of the door-closing chute forms a first door-closing step at the joint between the door-closing guide chute and the first door-closing chute, and the top surface of the first door-closing step is higher than the top surface of the limiting step.

Further, the first door-closing chute is an oval chute, a rectangular chute or an arc-shaped chute.

Further, a limit chute is formed between the recessed portion and the limit step, and the door opening chute includes the limit chute, a first door opening chute and a door opening guide slide communicated with the limit chute Slot, the first door-opening chute is formed by indenting to the inside of the locking block, the bottom surface of the limit chute is higher than the bottom surface of the first door-opening chute, and a first door-opening step is formed at the connection between the limit chute and the first door-opening chute. The bottom surface of a door-opening chute is higher than the bottom surface of the door-opening guide chute, and a second door-opening step is formed at the junction of the first door-opening chute and the door-opening guide chute, and the top surface of the first door-opening step is lower than the top surface of the limiting step, and the height On the top of the second door step.

Further, the door-opening guide chute communicates with the door-closing guide chute, the bottom surface of the door-opening guide chute is higher than the bottom surface of the door-closing guide chute, and a guide limit step is formed at the connection between the door-opening guide chute and the door-closing guide chute.

Further, the guide limit step is inclined and extends toward the entrance of the door-closing guide chute.

The present invention has the following advantages and positive effects:

The invention proposes a refrigerator with automatic door opening, which includes a box body and a door body. The door body is hinged to the box body through a door hinge. The door hinge is assembled on the box body or the door body. There are two door hinges, one of which is A door-opening structure is provided between the door body or the box body so that the door body can be opened automatically. A locking mechanism that cooperates with each other is also provided on the door body and the box body. The locking mechanism locks the door body when the door is closed. The door lock can be released after receiving the door force. The refrigerator in the present invention can apply force to the door body of the refrigerator when opening the door, so that the locking mechanism that locks the door body can release the lock on the door body, and then the door body can be automatically opened through the door opening structure to realize automatic door opening, and the present invention The refrigerator with automatic door opening does not need to be equipped with a handle. It only needs to apply force to the door body to unlock the door body, and the door body can be opened automatically, so that it can meet the needs of being embedded in the cabinet without increasing the size of the refrigerator.

Description of drawings

Fig. 1 is the three-dimensional structural diagram of the automatic door-opening refrigerator of the present invention;

Fig. 2 is a partially enlarged view of A of the automatic door-opening refrigerator of the present invention;

Fig. 3 is a partially enlarged view of part B of the automatic door opening refrigerator of the present invention;

Fig. 4 is a structural schematic diagram 1 of the door-closed state of the locking mechanism of the automatic door-opening refrigerator of the present invention;

Fig. 5 is a structural schematic diagram II of the locked state of the locking mechanism of the automatic door-opening refrigerator of the present invention when the door is closed;

Fig. 6 is a structural schematic diagram of the door-opening state of the locking mechanism of the automatic door-opening refrigerator of the present invention.

Implementation

The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments,

Example

The present invention proposes an embodiment of an automatic door-opening refrigerator, as shown in FIGS. Or on the door body 200, that is, the door hinge can be assembled on the box body 100 or on the door body 200, as long as the rotational connection between the door body 200 and the box body 100 can be realized, preferably, the door hinge is set There are 2, which are the upper hinge 310 and the lower hinge 320, wherein a door opening structure is provided between the door hinge and the door body 200 or the box body 100 so that the door body 200 can be opened automatically, that is, when the door hinge is arranged on the box body 100 At this time, a door opening structure is connected between the door hinge and the door body 200. When the door hinge is arranged on the door body 200, a door opening structure is provided between the door hinge and the box body 100. In this embodiment, the following hinge 320 is set Take the box body 100 as an example for illustration, that is, there is a door-opening structure between the lower hinge 320 and the door body 200, which can make the door body open automatically. Preferably, the door-opening structure in this embodiment includes an elastic knob 400. The body 200 is provided with a door trim, and the door trim is provided with a protruding post, and the lower hinge 320 is provided with a positioning post 321, and one end of the elastic button 400 is fixed on the protruding post, and the other end is fixed on the positioning post 321 Above, preferably, the elastic torsion member 400 is a torsion spring or a twisted shrapnel. When the door is closed, the torsion spring is compressed to store energy. When the door body 200 is unlocked, the torsion force of the torsion spring can pop the door body 200 out to realize automatic locking. open the door.

In order to realize that the door body 200 can be locked and fixed when the door is closed, a locking mechanism 500 that cooperates with each other is also provided on the door body 200 and the box body 100. The locking mechanism 500 locks the door body 200 when the door is closed, and receives The locking of the door body 200 can be released after the physical strength of the door is reached. Further, the locking mechanism 500 includes a locking block 510, a locking member 520 and a locking rod 530, the locking member 520 is arranged on the locking block 510, the locking block 510 is fixed on the box body 100, and the locking rod 530 is fixed on the door body 200, and the locking block 510 and the locking member 520 are formed with a chute that allows the locking rod 530 to slide and run, and a limiting and fixing limit after the locking rod 530 slides into place when the door is closed. Bit structure, the chute includes a door closing chute 610 and a door opening chute 620 .

Specifically, the limiting structure includes a concave portion 710 provided on the locking member 520 and a limiting step 720 formed on the sliding end of the door closing chute 610 , the concave portion 710 is opposite to the limiting step 720 It is provided that the locking rod 520 slides from the sliding end of the door-closing chute 610 into between the recessed portion 710 and the limiting step 720 to be locked and fixed.

Preferably, the door-closing chute 610 includes a door-closing guide chute 611 and a first door-closing chute 612 communicated with the door-closing guide chute 611 , the first door-closing chute 612 is formed by indenting toward the inside of the locking block 610 , and the door-closing guide The top surface of the chute 611 is higher than the top surface of the first door-closing chute 612, and a first door-closing step 613 is formed at the connection between the door-closing guide chute 611 and the first door-closing chute 612, and the top surface of the first door-closing step 613 is higher than the limit. Bit stairs 720 top. When closing the door, the locking rod 530 enters along the door-closing guide chute 611. Preferably, the bottom surface of the door-closing guide chute 611 is an inclined surface, and the two sides are inclined surfaces, which play a guiding role. The door-closing guide chute 611 passes through the locking block 510. Formed together with the locking member 520, it can facilitate the sliding of the locking rod 530, the locking rod 530 slides along the door closing guide chute 611, reaches the first door closing step 613, and slides down from the first door closing step 613 to enter the first door closing In the chute 612, slide along the first door-closing chute 612, due to the limiting effect of the first door-closing step 613, the locking rod 530 will not retreat, and the locking rod 530 will pass through the limiting step after sliding out of the first door-closing chute 612 720 is clamped and fixed between the recessed portion 710 and the limiting step 720 , due to the action of the limiting step 720 , the locking rod 530 will not retreat, and at this time, the locking and fixing of the door body 200 is realized.

A limiting chute 621 is also formed between the recessed portion 710 and the limiting step 720 , and the door opening chute 620 includes the limiting chute 621 and a first door opening chute communicating with the limiting chute 621 622 and the door-opening guide chute 623, the first door-opening chute 622 is formed to be recessed to the inside of the locking block 510, the first door-opening step 624 is formed at the communication place between the limit chute 621 and the first door-opening chute 622, the first door-opening chute A second door-opening step 625 is formed at the connection between 622 and the door-opening guide chute 623 , and the top surface of the first door-opening step 624 is lower than the top surface of the limiting step 720 and higher than the top surface of the second door-opening step 625 . When opening the door, the door body 200 can be slightly pushed, so that the door body 200 drives the locking rod 530 to slide along the limit chute 621, and slides from the limit chute 621 into the first door opening chute 622 through the first door opening step 624, Sliding in the first door-opening chute 622, due to the action of the first door-opening step 624, the locking rod 530 will not slide backwards, slide along the first door-opening chute 622 for a section and then slide out from the first door-opening chute 622, the second door-opening chute 622 There is a second door-opening step 625 at the first door-opening chute 622 and the door-opening guide chute 623. The locking rod 530 enters the door-opening guide chute 623 through the second door-opening step 625, and slides out along the door-opening guide chute 623. The limiting function of the two door-opening steps 625 prevents the locking rod 530 from sliding backwards.

Further, the first door-closing chute 612 is an oval chute, a rectangular chute or an arc-shaped chute, and the first door-opening chute 622 is also a rectangular chute recessed toward the inside of the locking block 510 .

Preferably, the door-opening guide chute 623 communicates with the door-closing guide chute 611, the bottom surface of the door-opening guide chute 623 is higher than the bottom surface of the door-closing guide chute 611, and a guide limit is formed at the junction of the door-opening guide chute 623 and the door-closing guide chute 611 900 steps. Like this locking rod 530 slides out from the door opening guide chute 623 and directly enters the door closing guide chute 611 entrance position, and after sliding out from the door opening guide chute 623 due to the effect of the guide limit step 900, it will not slide in the opposite direction.

Preferably, the guide limit step 900 is arranged obliquely and extends toward the entrance of the door-closing guide chute 611, which can guide the locking rod 530 to a certain extent, and when a force is applied, the locking rod 530 can be moved along The guide limit step 900 directly slides to the entrance of the door closing guide chute 611 .

Further, a damping structure 800 is provided between the other door hinge and the door body 200 or the box body 100. The other door hinge in this embodiment corresponds to the upper hinge 310, which is also arranged on the box body 100. A damping structure 800 is provided between the hinge 310 and the door body 200. The damping structure 800 in this embodiment is mainly used to prevent excessive torsion force of the elastic torsion member 400 when the door is opened, causing damage to the door body 200. Preferably, this embodiment The damping structure 800 in the example includes a damping wheel 810 and a damping shaft 820, the damping wheel 810 is rotatably set on the damping shaft 820, a damping fluid is arranged between the damping shaft 820 and the damping wheel 810, and the damping shaft 820 is installed on the door On the hinge, the damping wheel 810 is fixed on the door body 200 /box body 100 . The damping wheel 810 can balance the excessive torsion generated by the elastic torsion member 400, so that the door opening force reaches a proper range, making the door opening process more stable.

When the door body 200 rotates relative to the box body 100, the damping wheel 810 can be rotated relative to the damping shaft 820, and the damping force between the damping wheel 810 and the damping shaft 820 can be used to generate a reverse force on the elastic button force of the door body 200. , so that the door body 200 can be opened smoothly. The damping wheel 810 and the damping shaft 820 in the present embodiment can adopt the structure of the damping wheel used in automobiles in the prior art, which will not be repeated here.

In the refrigerator with automatic door opening in this embodiment, when the door body 200 is in the closed state, the locking rod 530 is locked between the recessed part 710 and the limit step 720 to lock and fix the door body 200. When the door needs to be opened, the force applied to the door body 200, gently push the door body 200, so that the locking rod 530 is disengaged from the recessed part 720, and then the locking rod 530 can slide out along the limit chute 621, the first door opening chute 622 and the door opening guide chute 623, and release the lock on the door body. 200 is locked, at this time, the elastic torsion member 400 releases the torsion force to the door body 200, so that the door body 200 is automatically opened, and at the same time, it can cooperate with the damping structure 800, so that the door body 200 is opened smoothly. The door body 200 can be opened automatically by pushing the door body 200, and the door opening operation is more convenient, and the locking mechanism 600 is arranged inside between the door body 200 and the box body 100, so that the overall size of the refrigerator does not increase due to the occupation of external space. question.

The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art can still understand the foregoing embodiments. Modifications are made to the technical solutions described, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed in the present invention.

Claims (8)

1. A refrigerator with an automatic door opening, comprising a box body and a door body, the door body is hinged to the box body through a door hinge, and the door hinge is assembled on the box body or the door body, it is characterized in that the door hinge is provided with 2, one of which A door-opening structure is provided between the door hinge and the door body or the box body to automatically open the door body. A locking mechanism that cooperates with each other is also provided on the door body and the box body. The locking mechanism locks the door body when the door is closed. The door lock can be released after receiving the door force when opening the door; The locking mechanism includes a locking block, a locking piece and a locking lever, the locking piece is arranged on the locking piece, and a slide groove and a sliding groove for allowing the locking lever to slide and run are formed on the locking piece and the locking piece. When the door is closed, the locking rod is slid to a position and the limit structure is used, and the chute includes a door-closing chute and a door-opening chute; The limiting structure includes a concave portion arranged on the locking member and a limiting step formed at the sliding end of the door closing chute, the concave portion is set opposite to the limiting step, and the locking lever slides from the door closing The slide-out end of the groove slides into the space between the recessed part and the limiting step to be locked and fixed. 2. The automatic door refrigerator according to claim 1, characterized in that a damping structure is provided between the other door hinge and the door body or the box body, the damping structure includes a damping wheel and a damping shaft, and the damping wheel rotates It is arranged on the damping shaft, and a damping fluid is arranged between the damping shaft and the damping wheel. The damping shaft is installed on the door hinge, and the damping wheel is fixed on the door body/cabinet. 3 . The automatic door refrigerator according to claim 1 , wherein the door opening structure comprises an elastic torsion member, one end of the elastic torsion member is fixed to the door body or the box body, and the other end is fixed to the door hinge. 4 . 4. The refrigerator with automatic door opening according to claim 3, wherein the door closing chute comprises a door closing guide chute and a first door closing chute communicating with the door closing guide chute, the first door closing chute is controlled by the locking The inside of the block is formed with a depression, the bottom surface of the door closing guide chute is higher than the bottom surface of the first door closing chute, and the first door closing step is formed at the connection between the door closing guide chute and the first door closing chute, and the top surface of the first door closing step is higher than the limit The top of the steps. 5. The refrigerator with automatic door opening according to claim 4, characterized in that, the first door closing chute is an oval chute or a rectangular chute. 6. The refrigerator with automatic door opening according to claim 5, characterized in that, a limiting chute is formed between the recessed part and the limiting step, and the door opening chute includes the limiting chute and the limiting chute. The first door-opening chute and the door-opening guide chute connected by the bit chute, the first door-opening chute is formed by indenting to the inside of the locking block, the bottom surface of the limiting chute is higher than the bottom surface of the first door-opening chute, and the bottom surface of the limiting chute and the second door-opening chute A first door-opening step is formed at the connecting part of the first door-opening chute, the bottom surface of the first door-opening chute is higher than the bottom surface of the door-opening guide chute, and a second door-opening step is formed at the connection between the first door-opening chute and the door-opening guide chute, and the first door-opening chute The top surface of the step is lower than the top surface of the limiting step and higher than the top surface of the second door-opening step. 7. The automatic door-opening refrigerator according to claim 6, characterized in that the door-opening guide chute communicates with the door-closing guide chute, the bottom surface of the door-opening guide chute is higher than the bottom surface of the door-closing guide chute, and the door-opening guide chute and the door-closing guide slide A guiding and limiting step is formed at the joint of the slots. 8 . The automatic-door refrigerator according to claim 7 , wherein the guide limit step is inclined and extends toward the entrance of the door-closing guide chute.

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