CN111503980A

CN111503980A - Automatic door opening and closing device and refrigerator applying same

Info

Publication number: CN111503980A
Application number: CN202010327664.4A
Authority: CN
Inventors: 田亚明; 张魁仓; 鲍敏
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-08-07
Anticipated expiration: 2040-04-23
Also published as: CN111503980B

Abstract

The invention discloses an automatic door opening and closing device and a refrigerator applying the same, and relates to the technical field of refrigerators. The door body is arranged at the port of the box body through a hinge, and a transmission mechanism is arranged on the box body; the transmission mechanism comprises a motor, a screw rod, a bearing seat and a slide block, one end of the screw rod is in transmission connection with the motor, the other end of the screw rod is rotatably installed in the bearing seat, the screw rod is sleeved with the slide block, a guide block is rotatably installed on the slide block, and a limiting mechanism is arranged on the guide block; the box top is equipped with the shaft hole, and the pivot that connecting rod one end was equipped with rotates installs in the shaft hole, and the spacing axle cooperation that the connecting rod other end was equipped with is installed in the guide way that is equipped with on the door body, and the body of rod of connecting rod passes stop gear simultaneously to can slide in stop gear. The invention realizes the automatic opening and closing of the refrigerator door body by driving the connecting rod push-pull door body through the motor, and has simple structure, convenient assembly and wide application prospect.

Description

Automatic door opening and closing device and refrigerator applying same

Technical Field

The invention belongs to the technical field of refrigerators, and particularly relates to an automatic door opening and closing device and a refrigerator applying the same.

Background

In the current market, most of refrigerators still open and close the door in a manual mode, and when a user holds articles by hands, the operation is very inconvenient. Some household electrical appliances manufacturers have released refrigerators that can be opened semi-automatically by touch, human body induction, voice, key and other modes, but the doors of these refrigerators cannot be opened to a required angle automatically, and have no automatic door closing function, so that the user experience is not good. The existing automatic door opening and closing scheme is mostly used in a multi-module matching mode, the cost is expensive, and the wide application is difficult to achieve.

Disclosure of Invention

The invention aims to provide an automatic door opening and closing device and a refrigerator applying the same, wherein the automatic door opening and closing of the refrigerator door body is realized by driving a connecting rod sliding door body through a motor, the structure is simple, the assembly is convenient, the application prospect is wide, and the related problems in the background art are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an automatic door opening and closing device and a refrigerator using the same, wherein the automatic door opening and closing device comprises a box body, a door body and a connecting rod, wherein the door body is arranged at the port of the box body through a hinge, and a transmission mechanism is arranged on the box body; the transmission mechanism comprises a motor, a screw rod, a bearing seat and a slide block, one end of the screw rod is in transmission connection with the motor, the other end of the screw rod is rotatably installed in the bearing seat, the screw rod is sleeved with the slide block, a guide block is rotatably installed on the slide block, and a limiting mechanism is arranged on the guide block; the box top is equipped with the shaft hole, the pivot that connecting rod one end was equipped with rotates installs in the shaft hole, the spacing axle cooperation that the connecting rod other end was equipped with is installed in the guide way that is equipped with on the door body, and the body of rod of connecting rod passes stop gear simultaneously to can slide in stop gear.

Furthermore, a guide groove parallel to the side edge of the door body is formed in one side edge of the door body close to the transmission mechanism, and the limiting shaft slides along the guide groove.

Furthermore, threaded holes penetrate through two opposite side faces of the sliding block, a screw rod is installed in the threaded holes in a matched mode, and the sliding block moves along the screw rod.

Furthermore, a deep hole is formed in one side face of the sliding block, a cylinder matched with the deep hole is arranged at the bottom of the guide block, a limiting mechanism installed on the guide block comprises guide pillars and limiting plates, the guide pillars are symmetrically distributed on the guide block, and meanwhile, the two guide pillars are fixedly provided with limiting plates.

Further, the connecting rod is an arc-shaped rod.

Compared with the prior art, the invention provides an automatic door opening and closing device and a refrigerator using the same, and the automatic door opening and closing device has the following beneficial effects:

1. the invention realizes the automatic opening and closing of the refrigerator door body by driving the connecting rod push-pull door body through the motor, and has simple structure, convenient assembly and wide application prospect.

2. The invention realizes the automatic opening of a single door or a double door and has convenient installation process.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view illustrating an overall assembled closed state of an automatic door opening and closing apparatus according to the present invention;

FIG. 2 is a schematic structural diagram of the case of the present invention;

FIG. 3 is a schematic view of the door body structure of the present invention;

FIG. 4 is a schematic view of a bearing seat structure according to the present invention;

FIG. 5 is a schematic view of a slider structure according to the present invention;

FIG. 6 is a schematic view of the structure of the guide block of the present invention;

FIG. 7 is a schematic view of a connecting rod structure of the present invention;

fig. 8 is a schematic view illustrating an overall assembled door-opening state of the automatic door opening and closing apparatus of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-box body, 11-shaft hole, 12-hinge, 2-door body, 21-rotating shaft hole, 22-guide groove, 3-motor, 4-screw rod, 5-bearing seat, 6-slide block, 61-threaded hole, 62-deep hole, 7-guide block, 71-cylinder, 72-guide column, 73-limiting plate, 8-connecting rod, 81-rotating shaft and 82-limiting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1-7, the invention is an automatic door opening and closing device and a refrigerator using the same, comprising a box body 1, a door body 2 and a connecting rod 8, wherein the door body 2 is installed at the port of the box body 1 through a hinge 12, two opposite sides of the door body 2 are provided with rotating shaft holes 21 which are installed in a matching way with an installation shaft of the hinge 12, so that the door body is convenient to install, and the box body 1 is provided with a transmission mechanism;

the transmission mechanism comprises a motor 3, a screw rod 4, a bearing seat 5 and a slide block 6, one end of the screw rod 4 is in transmission connection with the motor 3, the other end of the screw rod 4 is rotatably installed in the bearing seat 5, the slide block 6 is sleeved on the screw rod 4, a threaded hole 61 penetrates through two opposite side surfaces of the slide block 6, the screw rod 4 is installed in the threaded hole 61 in a matched manner, when the screw rod 4 rotates, the slide block 6 is driven to move, the bottom surface of the slide block is contacted with the top surface of the box body 1, the slide block 6 moves along the screw rod 4, a guide block 7 is rotatably installed on the slide block 6, a deep hole 62 is formed in one side surface of the slide block 6, a cylinder 71 matched with the deep hole 62 is arranged at the bottom of the guide block 7, a limiting mechanism installed on the guide block 7 comprises a guide post 72 and a limiting plate 73, the guide post, the limiting plates 73 are arranged on the two guide columns, so that the connecting rod 8 can be prevented from sliding out of a limiting groove formed by the two guide columns 73 in the moving process, and the use is not influenced;

the top of box 1 is equipped with shaft hole 11, and connecting rod 8 is the arc pole, the main part width aequilate and with spout 73 adaptation, one end be provided with the pivot 81 of shaft hole 11 adaptation, the other end be provided with the spacing axle 82 of guide way 21 adaptation, pivot 81 that 8 one end of connecting rod was equipped with rotates and installs in shaft hole 11, the spacing axle 82 cooperation that the 8 other end of connecting rod was equipped with is installed in the guide way 22 that is equipped with on the door body 2, the door body 2 is close to and is equipped with the guide way 22 along the door side parallel on one side of drive mechanism, spacing axle 82 slides along guide way 22, and guide way 22 is along door width direction, and the body of rod of connecting rod 8 passes stop gear simultaneously to can slide.

Example two:

the box body 1 is hinged with two door bodies 2 which are opened oppositely, each door body 2 is provided with a connecting rod 8 in a matching mode, and the two connecting rods 8 respectively penetrate through the limiting mechanisms which are symmetrically distributed on the box body 1 and the power mechanisms matched with the limiting mechanisms, so that the two door bodies 2 are opened oppositely.

Referring to fig. 8, in the use process, when the motor 3 rotates in one direction, the screw rod 4 is driven to rotate so as to push the sliding block 6 to slide to the left, the connecting rod 8 is pushed to rotate clockwise around the rotating shaft 81 through the guide block 7, and the door body is pushed to rotate around the rotating shaft 21 through the guide groove 22 in the rotation process, so that the door body is opened.

Referring to fig. 1, when the motor 3 rotates in the other direction, the screw rod 4 is driven to rotate, so that the sliding block 6 is pushed to slide to the right side, the connecting rod 8 is pushed to rotate counterclockwise around the rotating shaft 81 through the guide block 7, and the door body is pulled to rotate around the rotating shaft 21 through the guide groove 22 during the rotation process, so that the door body is closed.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an automatic switch door gear and use its refrigerator, includes box (1), door body (2) and connecting rod (8), its characterized in that:

the door body (2) is installed at the port of the box body (1) through a hinge (12), and a transmission mechanism is installed on the box body (1);

the transmission mechanism comprises a motor (3), a screw rod (4), a bearing seat (5) and a sliding block (6), one end of the screw rod (4) is in transmission connection with the motor (3), the other end of the screw rod (4) is rotatably installed in the bearing seat (5), the screw rod (4) is sleeved with the sliding block (6), a guide block (7) is rotatably installed on the sliding block (6), and a limiting mechanism is arranged on the guide block (7);

the box (1) top is equipped with shaft hole (11), pivot (81) that connecting rod (8) one end was equipped with rotate and install in shaft hole (11), spacing axle (82) cooperation that the connecting rod (8) other end was equipped with is installed in guide way (22) that are equipped with on the door body (2), and the body of rod of connecting rod (8) passes stop gear simultaneously to can slide in stop gear.

2. The automatic door opening and closing device and the refrigerator using the same as claimed in claim 1, wherein a guide groove (22) parallel to the side edge of the door body is formed on one side edge of the door body (2) close to the transmission mechanism, and the limit shaft (82) slides along the guide groove (22).

3. The automatic door opening and closing device and the refrigerator using the same as claimed in claim 1, wherein a threaded hole (61) penetrates through two opposite side surfaces of the sliding block (6), a screw rod (4) is fittingly installed in the threaded hole (61), and the sliding block (6) is displaced along the screw rod (4).

4. The automatic door opening and closing device and the refrigerator using the same as claimed in claim 1, wherein a deep hole (62) is formed in one side surface of the sliding block (6), a cylinder (71) matched with the deep hole (62) is arranged at the bottom of the guide block (7), the limiting mechanism installed on the guide block (7) comprises a guide post (72) and a limiting plate (73), the guide post (72) is provided with two limiting plates (73) which are symmetrically distributed on the guide block (7), and the two guide posts (72) are fixed with the limiting plate (73).

5. The automatic door opening and closing device and the refrigerator using the same as claimed in claim 1, wherein the link (8) is an arc-shaped rod.