CN109099638B

CN109099638B - Refrigerator with automatic door opening and closing device

Info

Publication number: CN109099638B
Application number: CN201811013903.8A
Authority: CN
Inventors: 岑露明
Original assignee: Ningbo Wan'ai Appliance Co ltd
Current assignee: Ningbo Wan'ai Appliance Co ltd
Priority date: 2018-08-31
Filing date: 2018-08-31
Publication date: 2020-12-15
Anticipated expiration: 2038-08-31
Also published as: CN109099638A

Abstract

The application relates to the technical field of household appliances, and discloses a refrigerator with an automatic door opening and closing device, which comprises a refrigerator shell, two refrigerator doors and a controller, wherein each refrigerator door comprises a main door and an auxiliary door, each auxiliary door is connected to the main door in a sliding manner, the main door is connected with a sliding rail, two ends of each sliding rail are provided with a first support, a second support, a driving wheel and a driven wheel, the driving wheel is connected with a driving motor, and a belt is connected between the driving wheel and the driven wheel; a sliding block is connected between the auxiliary door and the belt, the sliding block is connected to the sliding rail in a sliding mode, a cross rod is arranged on the auxiliary door, a rack is arranged on the cross rod, and a gear matched with the rack is arranged on the first support. As the only power source through driving motor, realize that vice door slides on the main door to the main door can rotate round the articulated shaft, thereby opens the refrigerator door, has overcome prior art and has opened the problem that the refrigerator door is harder through manual.

Description

Refrigerator with automatic door opening and closing device

Technical Field

The invention relates to the technical field of household appliances.

Background

With the ever-changing market and the rapid development of the door-opening refrigerator enterprises, the side-by-side combination refrigerators have come into our view. But present side by side combination refrigerator, the door is mostly the hand-pulling type, because the door is too heavy and the magnetic force effect of side by side combination refrigerator door seal magnetic stripe when opening the door, especially to old man and child in the family, the manual comparison of opening the door is more hard, when user's both hands take the thing moreover, opens the door more inconvenient.

Disclosure of Invention

The invention aims to provide a refrigerator with an automatic door opening and closing device, and aims to solve the problem that the door opening of the side-by-side combination refrigerator in the prior art is labor-consuming through manual door opening.

In order to achieve the above purpose, the basic scheme of the invention is as follows: a refrigerator with an automatic door opening and closing device comprises a refrigerator shell, two refrigerator doors and a controller, wherein the controller is installed on the outer side of the refrigerator shell, the two refrigerator doors are respectively installed on two sides of the refrigerator shell, each refrigerator door comprises a main door and an auxiliary door, an articulated shaft is articulated between the main door and the refrigerator shell, the auxiliary door is connected to the main door in a sliding mode, a sliding rail is fixedly connected to the upper end of the main door, a first support and a second support are fixedly connected to two ends of the sliding rail respectively, the first support is close to the articulated shaft and is rotatably connected with a driving wheel, the driving wheel is connected with a driving motor, the second support is far away from the articulated shaft, a driven wheel is rotatably connected to the second support, and a belt is connected between the driving wheel and the driven wheel; the upper end of the auxiliary door is fixedly connected with a cross rod extending towards the main door, a sliding block is fixedly connected onto the cross rod and is connected onto a sliding rail in a sliding mode, one end of the sliding block is fixedly connected onto a belt, a rack is arranged on the extending section of the cross rod towards the main door, and a gear matched with the rack is fixedly connected onto the first support; the auxiliary door is provided with an outer panel, a face recognizer is embedded in the outer panel and connected with the input end of the controller, and the output end of the controller is connected with the driving motor; the refrigerator is characterized in that a first key switch is installed on the side wall of the refrigerator shell and electrically connected with the driving motor, and a semicircular lug matched with the first key switch is fixedly installed at a position, close to the hinge shaft, on the main door.

The technical principle of the scheme is as follows: when a user needs to open the refrigerator door, the user only needs to watch the face recognizer with eyes within a certain distance, after the face recognizer recognizes the face of a person, the processing signal is fed back to the controller through the input end, the output end of the controller outputs a corresponding processing signal, the driving motor is started to work, the driving motor rotates in a forward rotation mode to drive the driving wheel to rotate, so that the belt rotates around the driving wheel and the driven wheel, the movement of the belt drives the sliding block to move towards the direction of the main door on the sliding rail, the sliding block slides to drive the transverse rod to move synchronously, the transverse rod moves to drive the auxiliary door fixedly connected with the transverse rod to slide towards the direction of the main door, the refrigerator door is gradually opened, the auxiliary door continuously moves, when the rack on the extending section of the transverse rod on the auxiliary door is meshed with the gear on the first support, the rack on the transverse rod continues to move and push the gear to rotate, and simultaneously, when the auxiliary door and the main door rotate outwards for 90 degrees, namely, the refrigerator door is completely opened, the semicircular convex block arranged on the main door also rotates for 90 degrees along with the main door, and is abutted against the first key switch on the side wall of the refrigerator shell, the first key switch controls the driving motor to stop rotating, the refrigerator door keeps a completely opened state, a user does not need to pull open the refrigerator door by hands, the refrigerator door can be automatically opened, and articles can be conveniently placed in the refrigerator shell.

The beneficial effect of this scheme: 1. utilize facial discernment as the signal source, feed back to the controller through the input, the output of controller corresponds the processing signal, starts driving motor and begins work to make the refrigerator door open, overcome prior art and opened the problem that the refrigerator door is harder through manual. 2. The refrigerator door is arranged as the main door and the auxiliary door, and the main door is opened after the auxiliary door slides to a certain distance from the main door, so that the space occupied by the opened refrigerator door is saved. 3. Through driving motor as only power supply, through the mutual linkage of rack and gear on belt, slider, the horizontal pole, realize that vice door slides on the main door to the main door can rotate around the articulated shaft, thereby opens the refrigerator door. 4. When the main door rotates outwards for 90 degrees, the semicircular convex block on the main door also rotates for 90 degrees along with the main door and abuts against the first key switch on the side wall of the refrigerator shell, the first key switch controls the driving motor to stop rotating, and the refrigerator door keeps a completely opened state, so that a user can conveniently place articles from the refrigerator shell.

Further, a second key switch is mounted on the side wall of the refrigerator shell and electrically connected with the driving motor. After the user finishes the operation of putting articles, the user only needs to press the second key switch by hand, the second key switch controls the driving motor to start working, and the driving motor rotates reversely, so that the main door is driven to rotate by 90 degrees, the auxiliary door slides towards the direction far away from the main door, and finally the refrigerator door is completely closed.

Further, the two auxiliary doors are respectively provided with a groove and a protrusion which are spliced with each other, a third key switch is installed in the groove, and the third key switch is electrically connected with the driving motor. When the door is closed, the two auxiliary doors move in opposite directions until the two auxiliary doors are spliced together, the protrusion on one auxiliary door extends into the groove of the other auxiliary door and abuts against the third key switch in the groove, the third key switch controls the driving motor to stop working, and at the moment, the refrigerator door is in a completely closed state.

Furthermore, permanent magnets are respectively arranged on the opposite sides of the two auxiliary doors. The arrangement of the permanent magnet can ensure that the two auxiliary doors are completely spliced together, so that the refrigerator door is completely closed, and the refrigeration effect is ensured.

Further, the edges of the main door and the auxiliary door are provided with magnetic seals for sealing the refrigerator shell. The magnetic sealing strips on the edges of the main door and the auxiliary door are tightly attached to the refrigerator shell, so that the refrigerator shell is in a closed state, and the refrigeration effect of the refrigerator is improved.

Further, the driving motor is a stepping motor.

Drawings

Fig. 1 is a schematic structural view of a refrigerator with an automatic door opening and closing device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a refrigerator door according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sub-door in an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail below by way of specific embodiments:

reference numerals in the drawings of the specification include: the refrigerator comprises a refrigerator shell 1, a hinge shaft 11, a first key switch 12, a second key switch 13, a controller 2, a main door 3, a semicircular lug 31, an auxiliary door 4, an outer panel 41, a face recognizer 42, a groove 43, a slide rail 5, a first support 51, a second support 52, a driving wheel 53, a driven wheel 54, a belt 55, a driving motor 6, a cross rod 7, a rack 71, a sliding block 72, a third key switch 8 and a protrusion 9.

Embodiments are substantially as shown in figures 1 to 3 of the accompanying drawings: a refrigerator with an automatic door opening and closing device comprises a refrigerator shell 1, two refrigerator doors and a controller 2, wherein the controller 2 is installed on the outer side of the refrigerator shell 1, the two refrigerator doors are respectively installed on two sides of the refrigerator shell 1, the refrigerator doors comprise a main door 3 and an auxiliary door 4, magnetic seals for sealing the refrigerator shell 1 are arranged on the edges of the main door 3 and the auxiliary door 4, a hinge shaft 11 is hinged between the main door 3 and the refrigerator shell 1, the auxiliary door 4 is connected on the main door 3 in a sliding manner, a slide rail 5 is fixedly connected to the upper end of the main door 3, a first support 51 and a second support 52 are respectively and fixedly connected to two ends of the slide rail 5, the first support 51 is arranged close to the hinge shaft 11, a driving wheel 53 is rotatably connected to the first support 51, the driving wheel 53 is connected to a driving motor 6, the driving motor 6 is a stepping motor, the second support 52 is arranged far away from the hinge shaft, a belt 55 is connected between the driving wheel 53 and the driven wheel 54; permanent magnets are respectively arranged on the opposite sides of the two auxiliary doors 4, a cross rod 7 extending towards the main door 3 is fixedly connected to the upper end of each auxiliary door 4, a sliding block 72 is fixedly connected to each cross rod 7, each sliding block 72 is connected to each sliding rail 5 in a sliding mode, one end of each sliding block 72 is fixedly connected to each belt 55, a rack 71 is arranged on the extending section of each cross rod 7 extending towards the main door 3, and a gear matched with the rack 71 is fixedly connected to each first support 51; an outer panel 41 is installed on the auxiliary door 4, a face recognizer 42 is embedded on the outer panel 41, the face recognizer 42 is connected with the input end of the controller 2, and the output end of the controller 2 is connected with the driving motor 6; a first key switch 12 is installed on the side wall of the refrigerator shell 1, the first key switch 12 is electrically connected with the driving motor 6, and a semicircular lug 31 matched with the first key switch 12 is fixedly installed at the position, close to the hinge shaft 11, on the main door 3; the side wall of the refrigerator shell 1 is also provided with a second key switch 13, and the second key switch 13 is electrically connected with the driving motor 6.

Specifically, two sub-doors 4 are respectively provided with a groove 43 and a protrusion 9 which are spliced with each other, a third key switch 8 is installed in the groove 43, and the third key switch 8 is electrically connected with the driving motor 6.

The specific implementation mode of the scheme is as follows: when a user needs to open the refrigerator door, the user only needs to watch the face recognizer 42 with eyes within a certain distance, after the face recognizer 42 recognizes the face of a person, the processing signal is fed back to the controller 2 through the input end, the output end of the controller 2 outputs a corresponding processing signal, the driving motor 6 is started to work, the driving motor 6 rotates forward to drive the driving wheel 53 to rotate, so that the belt 55 rotates around the driving wheel 53 and the driven wheel 54, the movement of the belt 55 drives the sliding block 72 to move towards the direction of the main door 3 on the sliding rail 5, the sliding block 72 slides to drive the cross rod 7 to move synchronously, the cross rod 7 moves to drive the auxiliary door 4 fixedly connected with the cross rod 7 to slide towards the direction of the main door 3, the refrigerator door is gradually opened, the auxiliary door 4 continuously moves, and when the rack 71 on the extending section of the cross rod 7 on the auxiliary door 4 is meshed with the gear on the first support 51, the rack 71 on the cross rod, simultaneously, the auxiliary door 4 and the main door 3 are driven to rotate towards the direction far away from the refrigerator shell 1, when the auxiliary door 4 and the main door 3 rotate outwards for 90 degrees, namely, the refrigerator door is completely opened, the semicircular lug 31 arranged on the main door 3 also rotates for 90 degrees along with the main door 3, and the semicircular lug offsets with the first key switch 12 on the side wall of the refrigerator shell 1, the first key switch 12 controls the driving motor 6 to stop rotating, the refrigerator door keeps a completely opened state, a user does not need to pull the refrigerator door by hands, the refrigerator door can be automatically opened, and articles can be conveniently placed in the refrigerator shell 1.

When the user finishes the operation of placing the articles, the user only needs to press the second key switch 13 by hand, the second key switch 13 controls the driving motor 6 to start working, the driving motor 6 rotates reversely and drives the belt 55 to rotate reversely, the movement of the belt 55 drives the sliding block 72 and the cross bar 7 fixedly connected with the sliding block 72 to move synchronously, the rack 71 on the cross bar 7 rotates around the gear engaged with the rack, and simultaneously drives the auxiliary door 4 and the main door 3 to rotate towards the direction close to the refrigerator shell 1 until the auxiliary door 4 and the main door 3 rotate inwards by 90 degrees, the belt 55 continues to drive the sliding block 72 and the cross bar 7 to move, the rack 71 on the cross bar 7 is disengaged from the gear and does not rotate any more, meanwhile, the auxiliary door 4 slides towards the direction far away from the main door 3 under the driving of the belt 55 until the opposite ends of the two auxiliary doors 4 are spliced together, the bulge 9 on one auxiliary door 4 extends into the groove 43 of the other auxiliary door 4, and the third key switch 8 is abutted to the third key switch 8 in the groove 43, the third key switch 8 controls the driving motor 6 to stop working, at the moment, the refrigerator door is in a completely closed state, and the magnetic sealing strips on the edges of the main door 3 and the auxiliary door 4 are tightly attached to the refrigerator shell 1, so that the interior of the refrigerator shell 1 is in a closed state, and the refrigeration effect of the refrigerator is improved.

The above description is only an example of the present invention, and general knowledge of the technical solutions and the like known in the art is not described herein too much. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a take refrigerator of automatic switch door gear which characterized in that: the refrigerator door comprises a refrigerator shell, two refrigerator doors and a controller, wherein the controller is installed on the outer side of the refrigerator shell, the two refrigerator doors are respectively installed on two sides of the refrigerator shell, each refrigerator door comprises a main door and an auxiliary door, an articulated shaft is articulated between the main door and the refrigerator shell, the auxiliary door is connected to the main door in a sliding mode, a sliding rail is fixedly connected to the upper end of the main door, two ends of the sliding rail are respectively and fixedly connected with a first support and a second support, the first support is arranged close to the articulated shaft, the first support is rotatably connected with a driving wheel, the driving wheel is connected with a driving motor, the second support is far away from the articulated shaft, the second support is rotatably connected with a driven wheel, and a belt is connected between the driving wheel and; the upper end of the auxiliary door is fixedly connected with a cross rod extending towards the main door, a sliding block is fixedly connected onto the cross rod and is connected onto a sliding rail in a sliding mode, one end of the sliding block is fixedly connected onto a belt, a rack is arranged on the extending section of the cross rod towards the main door, and a gear matched with the rack is fixedly connected onto the first support; the auxiliary door is provided with an outer panel, a face recognizer is embedded in the outer panel and connected with the input end of the controller, and the output end of the controller is connected with the driving motor; the refrigerator is characterized in that a first key switch is installed on the side wall of the refrigerator shell and electrically connected with the driving motor, and a semicircular lug matched with the first key switch is fixedly installed at a position, close to the hinge shaft, on the main door.

2. The refrigerator with an automatic door opening and closing apparatus as claimed in claim 1, wherein: and a second key switch is arranged on the side wall of the refrigerator shell and is electrically connected with the driving motor.

3. The refrigerator with an automatic door opening and closing apparatus as claimed in claim 2, wherein: two be equipped with the recess and the arch of mutual concatenation on the vice door respectively, install third key switch in the recess, third key switch is connected with driving motor electricity.

4. The refrigerator with an automatic door opening and closing apparatus as claimed in claim 3, wherein: and permanent magnets are respectively arranged on the opposite sides of the two auxiliary doors.

5. The refrigerator with an automatic door opening and closing apparatus as claimed in claim 4, wherein: and magnetic sealing strips for sealing the refrigerator shell are arranged at the edges of the main door and the auxiliary door.

6. The refrigerator with an automatic door opening and closing apparatus as claimed in claim 5, wherein: the driving motor is a stepping motor.