CN111023663A

CN111023663A - Push type door opening mechanism and refrigerator

Info

Publication number: CN111023663A
Application number: CN201911368265.6A
Authority: CN
Inventors: 李江伟; 王铭坤; 孟庆鹏; 韩鹏; 易永盛; 文翔; 傅彦达; 刘洋; 张亮; 冯云凌
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-04-17

Abstract

The invention discloses a push-type door opening mechanism and a refrigerator, wherein the push-type door opening mechanism comprises a mounting box provided with an opening, a push rod and an ejector rod which extend out of the opening or retract into the opening, and a transmission assembly which is connected with the push rod and the ejector rod; when the push rod moves towards the interior of the mounting box, the push rod moves reversely to push out the door body outside the opening. The push type door opening mechanism provided by the invention can be arranged at the bottom of a refrigerator, the principle of linkage between the push rod and the ejector rod is utilized, the push rod is pushed by feet, the door opening resistance caused by the magnetic force of a door seal and the pressure of an inner cavity and an outer cavity can be easily overcome, and when the refrigerator door is opened, the old or a person holding articles with both hands can open the door of the refrigerator close to a floor compartment, the push type door opening mechanism is simple to operate and convenient to use.

Description

Push type door opening mechanism and refrigerator

Technical Field

The invention relates to the technical field of refrigerators, in particular to a push type door opening mechanism and a refrigerator.

Background

Along with the continuous development of science and technology, the application of the refrigerator is widely popularized and becomes an essential object of daily furniture, and a patent with the publication number of CN201945129U discloses a handle arranged on a refrigerator door body, which can easily overcome the resistance when the refrigerator is opened by utilizing the lever principle and is convenient for old people to open the refrigerator door. However, when the door of the refrigerator is opened near the floor, the elderly need to bend down to hold the handle to open the door, which is very inconvenient and has certain insecurity for the elderly. In addition, the person holding the articles with both hands is inconvenient to open the door of the refrigerator between the floor and the room.

Disclosure of Invention

The invention aims to provide a push type door opening mechanism to solve the problem that the old or people with both hands holding articles cannot conveniently open a refrigerator to be close to a door of a ground compartment in the prior art.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a push type door opening mechanism comprises a mounting box provided with an opening, a push rod and an ejector rod which extend out of the opening or retract into the opening, and a transmission assembly which is connected with the push rod and the ejector rod; when the push rod moves towards the interior of the mounting box, the push rod moves reversely to push out the door body outside the opening.

When the ejector rod moves towards the inside of the mounting box, the push rod moves in the reverse direction to one end and is located on the outer side of the opening.

The transmission assembly comprises a gear fixed in the mounting box, and the push rod is provided with a gear meshed with the gear

The ejector rod is provided with a second rack meshed with the gear, and the gear is clamped between the first rack and the second rack.

The transmission assembly further comprises a positioning seat fixed on the mounting box and a bearing mounted on the positioning seat, and the gear is rotatably connected with the bearing.

One end of the gear is provided with a rotating shaft, and the gear is arranged in the bearing through the rotating shaft and is connected in a rotating mode.

A pair of first guide rails which are oppositely arranged is arranged in the mounting box, and the push rod is arranged between the two first guide rails in a sliding connection mode.

A pair of second guide rails which are oppositely arranged is arranged in the mounting box, and the ejector rod is arranged between the two second guide rails in a sliding connection mode.

One end of the push rod, which is far away from the opening, is fixedly connected with a first spring, and the other end of the first spring is fixedly connected with the mounting box; and one end of the ejector rod, which is far away from the opening, is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with the mounting box.

And a boosting plate is arranged at one end of the push rod, which is close to the opening.

In addition, the invention also provides a refrigerator which comprises the push type door opening mechanism.

The invention has the beneficial effects that:

compared with the prior art, the push type door opening mechanism provided by the invention can be installed at the bottom of a refrigerator, the door opening resistance caused by the magnetic force of a door seal and the pressure of an inner cavity and an outer cavity can be easily overcome by pushing the push rod by feet by utilizing the principle of linkage between the push rod and the ejector rod, and the refrigerator door is opened, so that when an old man or a person holding articles with two hands opens the refrigerator and is close to a door of a ground compartment, the push type door opening mechanism is simple to operate and convenient to use.

In addition, the door opening mechanism has the characteristics of simple structure, easiness in processing and low cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a push-type door opening mechanism of the present invention.

Fig. 2 is a schematic structural view of the push type door opening mechanism of the present invention when it is mounted on a refrigerator.

Fig. 3 is an exploded view illustrating the push type door opening mechanism of the present invention when it is installed in a refrigerator.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying any

Relative importance or implicitly indicates the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It should be noted that, for the convenience of description, only a part of the structure related to the present invention is shown in the drawings, not the whole structure.

As shown in fig. 1, in an embodiment of the present invention, a push-type door opening mechanism is provided, which includes a mounting box 4 having an opening, a push rod 2 and a push rod 3 extending out of or retracting into the opening, and a transmission assembly connecting the push rod 2 and the push rod 3, wherein when the push rod 2 moves towards the inside of the mounting box 4, the push rod 3 moves in a reverse direction to push out a door body outside the opening.

Further, when the ejector rod 3 moves towards the inside of the mounting box 4, the push rod 2 moves reversely to one end which is positioned outside the opening.

Specifically, the transmission assembly comprises a gear 10 fixed in the mounting box 4, the push rod 2 is provided with a first rack 11 meshed with the gear 10, the ejector rod 3 is provided with a second rack 6 meshed with the gear, and the gear 10 is clamped between the first rack 11 and the second rack 6. The sizes and tooth forms of the straight teeth on the first rack 11 and the second rack 6 are the same and are matched with the teeth on the gear 10, both the racks have a plurality of straight teeth, and the number of the straight teeth can be selected according to requirements. The first rack 11 and the push rod 2 can be integrated into a whole or separated from each other, and the second rack 6 and the push rod 3 can be integrated into a whole or separated from each other.

The transmission assembly further comprises a positioning seat 12 fixed on the mounting box 4 and a bearing mounted on the positioning seat 12, and the gear 10 is rotatably connected with the bearing.

One end of the gear 10 is provided with a rotating shaft 13, and the gear 10 is arranged in the bearing through the rotating shaft 13 and is rotatably connected with the bearing.

Further, a pair of first guide rails 9 arranged oppositely is arranged in the mounting box 4, and the push rod 2 is arranged between the two first guide rails 9 and is in sliding connection.

A pair of second guide rails 5 which are oppositely arranged are arranged in the mounting box 4, and the mandril 3 is arranged between the two second guide rails 5 and is in sliding connection.

In one embodiment, the second guide rail 5 is located above the first guide rail 9 and parallel to each other, and the push rod 3 and the push rod 2 move linearly along the first guide rail 9 or the second guide rail 5. Meanwhile, the axial lead of the push rod 2 and the axial lead of the push rod 3 are parallel to each other.

Specifically, the one end fixedly connected with first spring 8 of keeping away from the open-ended on push rod 2, the other end and the mounting box 4 fixed connection of first spring 8. Keep away from open-ended one end fixedly connected with second spring 7 on the ejector pin 3, the other end and the mounting box 4 fixed connection of second spring 7.

During the use, promote push rod 2 with external force and move to the mounting box 4 is inside, drive ejector pin 3 through the transmission of first rack 11, second rack 6 and gear 10 and stretch out the mounting box certain distance, and simultaneously, first spring 8 is compressed, and second spring 7 is stretched. When the external force on the push rod 2 disappears, the rebounding force of the first spring 8 pushes the push rod 2 to reset, and meanwhile, the rebounding force of the second spring 7 pulls the push rod 3 to reset.

Furthermore, a boosting plate 1 is arranged at one end of the push rod 2 close to the opening. The boosting plate 1 can increase the stress area at the top end of the push rod 2, is convenient to operate and reduces misoperation.

In one embodiment, the boosting plate 1 is directly fixedly connected with the push rod 2 through screws, and the boosting plate 1 is vertically connected with the push rod 2.

In an embodiment, a connecting rod 101 perpendicular to the booster plate 1 is integrally connected to the rear end of the booster plate 1, and the connecting rod 101 may be fixedly connected to the push rod 2 by a step screw, or may be connected by a snap connection or the like.

In fig. 1, one side of the mounting box 4 is opened for convenience of description, and in actual use, the side of the mounting box 4 is closed with a side plate. If necessary, one side of the mounting box 4 can be opened, and the mounting and maintenance can be facilitated after the side is opened. In mounting, the bottom plate of the mounting case 4 is generally used as a fixing base.

As shown in fig. 2-3, in addition, the invention also provides a refrigerator, which comprises the push type door opening mechanism.

During the assembly, the mounting box 4 is fixed in the inside below that is located refrigerator inner chamber 15 of refrigerator shell 16, and the inboard that lies in refrigerator door 14 on refrigerator shell 16 is equipped with the ejector pin hole that supplies ejector pin 3 to stretch out, lies in the push rod hole that is equipped with and supplies push rod 2 to stretch out below of refrigerator door 14 on refrigerator shell 16, and boosting plate 1 is located the below of refrigerator door 14 equally.

During the use, to 14 inboard directions in refrigerator door, gently kick or promote push rod 2 or boosting board 1 down with the foot, can release refrigerator shell 16 with ejector pin 3 to easily push refrigerator door 14 open, the resistance that the push type mechanism of opening the door, the suction that can easily overcome refrigerator door and seal the magnetic stripe and the difference of interior outer chamber pressure leads to, easy operation, convenient to use. The strength variation of kick or promotion can influence the speed of opening the door, and the control of speed can be opened to the room door to the dynamics of control kick, and the angle that the refrigerator door was opened can be influenced to the length that push rod 3 stretched out refrigerator shell 16.

In addition, the push type door opening mechanism has the characteristics of simple structure, easiness in processing and low cost.

The above embodiments and drawings are only for illustrating the technical solutions of the present invention and do not limit the present invention. It should be noted that, a person skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for part or all of the technical features, and such modifications or substitutions are included in the scope of the claims of the present invention.

Claims

1. The utility model provides a promotion formula mechanism of opening door which characterized in that: the device comprises a mounting box provided with an opening, a push rod and a push rod which extend out of the opening or retract into the opening, and a transmission assembly which is connected with the push rod and the push rod; when the push rod moves towards the interior of the mounting box, the push rod moves reversely to push out the door body outside the opening.

2. A push-type door opening mechanism according to claim 1, wherein: when the ejector rod moves towards the inside of the mounting box, the push rod moves in the reverse direction to one end and is located on the outer side of the opening.

3. A push-type door opening mechanism according to claim 1 or 2, wherein: the transmission assembly comprises a gear fixed in the mounting box, the push rod is provided with a first rack meshed with the gear, the ejector rod is provided with a second rack meshed with the gear, and the gear is clamped between the first rack and the second rack.

4. A push-type door opening mechanism according to claim 3, wherein: the transmission assembly further comprises a positioning seat fixed on the mounting box and a bearing mounted on the positioning seat, and the gear is rotatably connected with the bearing.

5. A push-type door opening mechanism according to claim 4, wherein: one end of the gear is provided with a rotating shaft, and the gear is arranged in the bearing through the rotating shaft and is connected in a rotating mode.

6. A push-type door opening mechanism according to claim 1, wherein: a pair of first guide rails which are oppositely arranged is arranged in the mounting box, and the push rod is arranged between the two first guide rails in a sliding connection mode.

7. A push-type door opening mechanism according to claim 1, wherein: a pair of second guide rails which are oppositely arranged is arranged in the mounting box, and the ejector rod is arranged between the two second guide rails in a sliding connection mode.

8. A push-type door opening mechanism according to claim 1, wherein: one end of the push rod, which is far away from the opening, is fixedly connected with a first spring, and the other end of the first spring is fixedly connected with the mounting box; and one end of the ejector rod, which is far away from the opening, is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with the mounting box.

9. A push-type door opening mechanism according to claim 1, wherein: and a boosting plate is arranged at one end of the push rod, which is close to the opening.

10. A refrigerator, characterized in that: the refrigerator includes the push type door opening mechanism of any one of claims 1 to 9.