CN115822401A - Hinge structure and refrigerator - Google Patents

Hinge structure and refrigerator Download PDF

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Publication number
CN115822401A
CN115822401A CN202211565981.5A CN202211565981A CN115822401A CN 115822401 A CN115822401 A CN 115822401A CN 202211565981 A CN202211565981 A CN 202211565981A CN 115822401 A CN115822401 A CN 115822401A
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CN
China
Prior art keywords
connecting rod
driving device
refrigerator
hinge
door body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211565981.5A
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Chinese (zh)
Inventor
龚世良
陈泽泓
陆广铨
原高红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202211565981.5A priority Critical patent/CN115822401A/en
Publication of CN115822401A publication Critical patent/CN115822401A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/82Recycling of waste of electrical or electronic equipment [WEEE]

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Abstract

The invention provides a hinge structure and a refrigerator, relates to the technical field of refrigerators, and solves the problem that materials are wasted due to the fact that the height of a door body is too high in the prior art; the hinge structure comprises a first connecting rod and a second connecting rod, and the second connecting rod is arranged on one side of the first connecting rod; the axes of the first end hinge point of the first connecting rod and the first end hinge point of the second connecting rod are parallel to each other, the first end of the first connecting rod and the first end of the second connecting rod are oppositely positioned, and the second end of the first connecting rod and the second end of the second connecting rod are oppositely positioned. Compared with the prior art, the hinge can be arranged at the position of the inner side of the refrigerator, so that the door body of the refrigerator opens towards the side relative to the refrigerator body, the hinge is hidden at the inner side of the refrigerator, the appearance attractiveness of the refrigerator can be ensured while the door body of the refrigerator is not heightened, the material waste is reduced, and the cost is saved.

Description

Hinge structure and refrigerator
Technical Field
The invention relates to the technical field of refrigerators, in particular to a hinge structure and a refrigerator.
Background
With the improvement of living standard of people, the requirement on the refrigerator is higher and higher. At present, the traditional refrigerator mainly depends on a manual door opening mode to open and close the door, the opening and closing of the refrigerator body of the traditional refrigerator and the edge of the door body are realized by adopting the traditional hinge connection, and in order to protect the hinge, two larger hinge covers are arranged at the position, close to the edge of the door body, of the top of the refrigerator. When the refrigerator is seen from the front side, two large hinge covers are protruded from the top of the refrigerator, the appearance is not attractive, and in order to keep the appearance of the outer surface of the refrigerator, the door body is generally heightened in the prior art, and the top edge of the door body is positioned at the height of the hinge covers or exceeds the height of the hinge covers, so that the door body shields the hinge covers. Therefore, although the appearance attractiveness of the refrigerator is ensured, the heightened door body increases the material consumption, causes material waste and also increases the weight of the door body.
Disclosure of Invention
The invention aims to design a hinge structure and a refrigerator, which are used for solving the problem that materials are wasted due to the fact that the height of a door body is too high.
The invention is realized by the following technical scheme:
the invention provides a hinge structure, which comprises a first connecting rod and a second connecting rod, wherein the second connecting rod is arranged on one side of the first connecting rod; the axes of the first end hinge point of the first connecting rod and the first end hinge point of the second connecting rod are parallel to each other, the first end of the first connecting rod and the first end of the second connecting rod are oppositely positioned, and the second end of the first connecting rod and the second end of the second connecting rod are oppositely positioned.
When the structure is arranged, the hinge structure is simple in structure and comprises two connecting rods which are arranged oppositely, the axis of the first end hinge point of the first connecting rod is parallel to the axis of the first end hinge point of the second connecting rod, the first end of the first connecting rod is positioned relative to the first end of the second connecting rod, and the second end of the first connecting rod is positioned relative to the second end of the second connecting rod, so that the first connecting rod and the second connecting rod can synchronously swing in the same plane or parallel planes. Therefore, the hinge can be installed at the position on the inner side of the refrigerator, so that the door body of the refrigerator is opened towards the side relative to the refrigerator body, the hinge is hidden inside the refrigerator, the appearance attractiveness of the refrigerator can be ensured while the refrigerator door body is not heightened, the waste of materials can be reduced, the cost is saved, and the weight of the refrigerator door body is reduced.
In order to further better implement the invention, the following arrangement structure is adopted in particular: the first connecting rod comprises a first straight rod section and a second straight rod section connected with the first straight rod section, and an included angle alpha is formed between the first straight rod section and the second straight rod section; the rod end of the first straight rod section is positioned opposite to the first end of the second connecting rod, and the rod end of the second straight rod section is positioned opposite to the second end of the second connecting rod.
In order to further better implement the invention, the following arrangement structure is adopted in particular: the corner of the first connecting rod is bent towards one side of the second connecting rod; the length of the first straight rod section is smaller than that of the second straight rod section; the second connecting rod is a straight rod; the length of a straight line from the first end to the second end of the first connecting rod is equal to the length of the second connecting rod.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the hinge structure further comprises a driving device, the driving device is connected with the first end of the first connecting rod, and the driving device can drive the first connecting rod to rotate by taking the first end of the first connecting rod as a circle center.
When the structure is arranged, the driving device is additionally arranged on the first connecting rod, so that automatic door opening can be realized, and the user experience can be improved.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the driving device comprises a motor, a driving wheel and a driven wheel; the driving wheel is fixedly connected with the motor, the driven wheel is fixedly connected with the first end of the first connecting rod, and the driving wheel is in transmission connection with the driven wheel.
The invention also provides a refrigerator, which comprises a refrigerator body, a door body and the hinge structure; the first end and the second end of the first connecting rod of the hinge structure are respectively hinged to the inner side of the box body and the inner side of the door body, and the first end and the second end of the second connecting rod of the hinge structure are respectively hinged to the inner side of the box body and the inner side of the door body.
When the structure is adopted, the inner sides of the refrigerator body and the door body are connected through the first connecting rod and the second connecting rod which are oppositely arranged, the hinge structure can be hidden in the inner side of the refrigerator while the side-direction door opening is realized, the appearance attractiveness of the refrigerator can be ensured under the condition that the height of the refrigerator door body is not increased, the material consumption of the door body can be reduced, the cost is saved, and the weight of the door body is reduced.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the hinge structure further comprises a driving device, the driving device is connected with the first end of the first connecting rod of the hinge structure, and the driving device can drive the first connecting rod to rotate by taking the first end of the first connecting rod as a circle center.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the hinge structure is characterized in that a plurality of sets of hinge structures which are vertically arranged are arranged between the box body and the door body, and the first connecting rod arranged above and the first connecting rod arranged below are connected through a third connecting rod to realize synchronous rotation.
When the structure is arranged, the upper hinge structure and the lower hinge structure are connected through the third connecting rod, so that the motion stability of the door body can be improved.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the hinge structure comprises at least one set of hinge structures and a driving device, wherein the driving device is connected with the first end of the first connecting rod of the corresponding hinge structure, and the driving device can drive the first connecting rod connected with the driving device to rotate by taking the first end of the first connecting rod as a circle center.
In order to further better implement the invention, the following arrangement structure is particularly adopted: the refrigerator also comprises a controller, the controller can receive a door opening or closing instruction, and the controller is connected with the driving device and can control the driving device to start according to the received door opening or closing instruction so as to drive the first connecting rod to drive the door body to open or close relative to the refrigerator body; the box body and the door body are respectively provided with a first limit switch and a second limit switch which are connected with the controller; when the door body is in a fully open state, the second limit switch can be in contact with the second connecting rod and sends a signal to the controller to enable the controller to control the driving device to stop, and when the door body is in a closed state, the first limit switch can be in contact with the door body and sends a signal to the controller to enable the controller to control the driving device to stop.
The invention has the following advantages and beneficial effects:
the hinge structure is simple in structure and comprises two opposite connecting rods, a first end hinge point of the first connecting rod and an axis of a first end hinge point of the second connecting rod are parallel to each other, the first end of the first connecting rod and the first end of the second connecting rod are oppositely positioned, and the second end of the first connecting rod and the second end of the second connecting rod are oppositely positioned, so that the first connecting rod and the second connecting rod can synchronously swing in the same plane or in parallel planes. Therefore, the door body of the refrigerator can be opened towards the side relative to the refrigerator body by being installed at the position on the inner side of the refrigerator, the hinge is hidden at the inner side of the refrigerator, the appearance attractiveness of the refrigerator can be ensured while the refrigerator door body is not heightened, the waste of materials can be reduced, the cost is saved, and the weight of the refrigerator door body is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 shows the structure of a hinge structure;
FIG. 2 shows the structure of the case and the door in a closed state;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 shows the structure of the case and the door in a half-open state;
FIG. 5 is a partial enlarged view of portion B of FIG. 4;
FIG. 6 shows the structure of the case and the door in a fully opened state;
FIG. 7 is a partial enlarged view of portion C of FIG. 6;
fig. 8 illustrates a side sectional structure of a refrigerator;
FIG. 9 shows a partial enlarged view of portion D of FIG. 8;
fig. 10 illustrates a rear sectional structure of a refrigerator;
fig. 11 is a partial enlarged view of a portion E in fig. 10;
FIG. 12 shows the construction of two sets of hinge structures;
fig. 13 is a flowchart of the operation of opening and closing the door of the refrigerator (Y and N in the figure indicate yes and no, respectively).
Labeled as:
1. a drive device; 11. a motor; 12. a driving wheel; 13. a driven wheel;
2. a first link; 21. a first straight pole segment; 22. a second straight pole segment;
3. a second link;
4. a box body;
5. a door body;
6. and a third link.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also 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; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Example 1:
a hinge structure can be installed at the inner side of a refrigerator to enable a door body of the refrigerator to open towards the side relative to a refrigerator body, a hinge is hidden inside the refrigerator, the appearance attractiveness of the refrigerator can be guaranteed while the door body of the refrigerator is not heightened, material waste is reduced, and cost is saved, and as shown in figures 1-12, the hinge structure is particularly arranged into the following structures:
in this embodiment, the most basic form of the hinge structure includes a first connecting rod 2 and a second connecting rod 3, the second connecting rod 3 is disposed at one side of the first connecting rod 2 and is located on the same plane as the first connecting rod 2, and the axes of the first end hinge point of the first connecting rod 2 and the first end hinge point of the second connecting rod 3 are parallel to each other. When the hinge structure is used as an opening and closing hinge of the refrigerator body 4 and the door body 5, the first end of the first connecting rod 2 and the first end of the second connecting rod 3 need to be hinged with two point locations with fixed distances on the same structure, and the second end of the first connecting rod 2 and the second end of the second connecting rod 3 also need to be hinged with two point locations with fixed distances on the same structure, so that the hinge structure and the connected refrigerator body 4 or the door body 5 form a hinge four-bar mechanism. In the motion process of the hinge structure, the first end of the first connecting rod 2 and the first end of the second connecting rod 3 are relatively positioned and do not move relatively, and the second end of the first connecting rod 2 and the second end of the second connecting rod 3 are relatively positioned and do not move relatively.
In this embodiment, this kind of hinge structure simple structure, including two connecting rods that set up relatively, and the first end pin joint of first connecting rod 2 is parallel to each other with the axis of the first end pin joint of second connecting rod 3, and the first end of first connecting rod 2 and the first end of second connecting rod 3 are fixed a position relatively, and the second end of first connecting rod 2 and the second end of second connecting rod 3 are fixed a position relatively, therefore, first connecting rod 2 and second connecting rod 3 can be in the coplanar or the synchronous swing in the plane that parallels. Therefore, the door body 5 of the refrigerator can be installed at the position on the inner side of the refrigerator, so that the door body 5 of the refrigerator is opened towards the side relative to the refrigerator body 4, the hinge is hidden inside the refrigerator, the appearance of the refrigerator can be ensured while the refrigerator door body is not heightened, the waste of materials can be reduced, the cost is saved, and the weight of the refrigerator door body is reduced.
The first connecting rod 2 can be a straight rod or a bent rod, when the first connecting rod 2 is set as the bent rod, the first connecting rod comprises a first straight rod section 21 and a second straight rod section 22 connected with the first straight rod section 21, and an included angle alpha is formed between the first straight rod section 21 and the second straight rod section 22; the rod end of the first straight rod segment 21 is located opposite to the first end of the second connecting rod 3 and the rod end of the second straight rod segment 22 is located opposite to the second end of the second connecting rod 3.
In this embodiment, the second link 3 is configured as a straight rod, and the length of the straight line from the first end to the second end of the first link 2 is equal to the length of the second link 3. The angle α =133 ° of the first connecting rod 2 and the length of the first straight rod segment 21 is smaller than the length of the second straight rod segment 22. The corner of first connecting rod 2 is preferably towards second connecting rod 3 one side bending to make the closed angle of the corner of first connecting rod 2 towards second connecting rod 3, can utilize the position of keeping away that the contained angle of first connecting rod 2 formed like this, make the first end of first connecting rod 2 be close to the corner setting of the structure that links more, for example can let the first end of first connecting rod 2 be close to the lateral wall inboard of box 4 more and set up, because when first connecting rod 2 moved towards the lateral wall of box 4, the position of keeping away that the contained angle of first connecting rod 2 formed can allow the lateral wall of box 4 to invade in order to increase the motion angle of first connecting rod 2.
Example 2:
the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the invention, the following arrangement structure is particularly adopted:
in this embodiment, this kind of hinge structure can be used to realize the automatic switch of refrigerator door.
The driving device 1 comprises a motor 11, a driving wheel 12 and a driven wheel 13, wherein the driving wheel 12 and the driven wheel 13 adopt gears which are meshed with each other, the driving wheel 12 is coaxially and fixedly connected to an output shaft of the motor 11, and the driven wheel 13 is coaxially and fixedly connected to a hinge point of a first end of a first connecting rod 2.
In the present embodiment, the driving device 1 may adopt a friction wheel transmission form, a belt pulley transmission form or the like, or a form of directly driving the first link 2 with a motor, in addition to the above gear transmission form.
In this embodiment, the driving device 1 can drive the driving wheel 12 to drive the driven wheel 13 to rotate through the motor 11, and then drive the first connecting rod 2 to rotate by taking the hinge point of the first end of the first connecting rod as the center of a circle. When the hinge structure with the driving device is applied to the opening and closing hinges of the door body 5 and the box body 4 in the refrigerator, automatic door opening can be achieved, and user experience can be improved.
Example 3:
the present embodiment further provides a refrigerator based on the above embodiments, and particularly adopts the following arrangement structure:
in this embodiment, the refrigerator includes a refrigerator body 4, a door body 5, and the hinge structure in embodiment 1.
First end and the second end of this hinge structure's first connecting rod 2 articulate respectively through pivot etc. in the border position and the door body 5 inboardly of 4 inboard bottom plates of box or roof, and simultaneously, first end and the second end of hinge structure's second connecting rod 3 articulate respectively through pivot etc. in the border position and the door body 5 inboardly of 4 inboard bottom plates of box or roof, and the first end of first connecting rod 2 is close to the inboard setting of the lateral wall of box 4.
If the refrigerator is provided with a plurality of door bodies 5, each door body 5 is matched with at least one set of hinge structure.
In this embodiment, the inner sides of the box body 4 and the door body 5 are connected through the first connecting rod 2 and the second connecting rod 3 which are oppositely arranged, so that the hinge structure can be hidden inside the refrigerator while the side-opening door is realized, the appearance attractiveness of the refrigerator can be ensured under the condition that the refrigerator door body is not heightened, the material consumption of the door body 5 can be reduced, the cost is saved, and the weight of the door body 5 is reduced.
In order to improve the motion stability of the door body 5, two sets of hinge structures can be arranged between the box body 4 and the door body 5, and the two sets of hinge structures are arranged up and down, and meanwhile, the corner of the upper first connecting rod 2 and the corner of the lower first connecting rod 2 are fixedly connected by adopting a vertically arranged third connecting rod 6, so that the upper first connecting rod 2 and the lower first connecting rod 2 can synchronously rotate.
Example 4:
the embodiment is further optimized on the basis of the above embodiment, and in order to further better implement the invention, the following arrangement structure is particularly adopted:
in this embodiment, the hinge structure is provided with a driving device 1 to realize automatic opening and closing of the door body 5. If a structure with two sets of hinge structures is adopted between the box body 4 and the door body 5, only one set of hinge structure is needed to be matched with the driving device 1.
The driving device 1 comprises a motor 11, a driving wheel 12 and a driven wheel 13, wherein the driving wheel 12 and the driven wheel 13 adopt meshed gears, the driving wheel 12 is coaxially and fixedly connected to an output shaft of the motor 11, and the driven wheel 13 is coaxially and fixedly connected to a hinge point of a first end of a first connecting rod 2.
The controller is installed on the door body 5 of the refrigerator, the controller is provided with a processor, and a display and control keys which are connected with the processor and located on the surface of the door body 5, the control keys can be entity keys or pressure sensors and the like, the control keys can output door opening or door closing instructions through clicking of a user, and the motor 11 is controlled by the processor. The processor can receive a door opening or closing instruction given by the control key, and the processor can start and rotate forwards or backwards according to the received door opening or closing instruction by the corresponding control motor 11 to drive the first connecting rod 2 to drive the door body 5 to open or close relative to the box body 4. In order to more accurately control the opening and closing of the door body 5, a first limit switch and a second limit switch which are connected with the processor are respectively arranged on the box body 4 and the door body 5; the setting positions of the first limit switch and the second limit switch need to meet the following conditions: when the door body 5 is in a fully opened state, the second limit switch can be in contact with the second connecting rod 3 and send a signal to the controller to enable the controller to control the driving device 1 to stop, and when the door body 5 is in a closed state, the first limit switch can be in contact with the door body 5 and send a signal to the controller to enable the controller to control the driving device 1 to stop.
The hinge structure provided with the driving device 1 is mainly an automatic door opening and closing mechanism applied to a refrigerator, reduces the material waste of the door body 5, saves the cost and keeps the attractiveness of the outer surface of the refrigerator. The design idea that automatically controlled and machinery of application combine together combines together, combines the controller that the refrigerator carried, gives the signal of opening the door and closing the door that corresponds through the control button on the door body 5, realizes the automatic switch door of refrigerator, promotes user experience.
Taking a side-by-side combination refrigerator as an example, fig. 2, 4, and 6 show the related structures of the door bodies 5 in different opening and closing states, respectively, and the hinge structure adopted can realize that the left and right door bodies of the side-by-side combination refrigerator can perform automatic door opening and closing movements independently. The working process of opening and closing the door of the whole refrigerator is described as follows: as shown in fig. 13, after a user uses a motor on a control button to send an opening or closing instruction, the control button correspondingly sends an opening or closing instruction to a system where a processor is located, the processor receives the corresponding instruction and then transmits the opening or closing instruction to the motor, if the opening instruction is sent, the motor rotates forward, the motor drives a driving wheel to rotate, the driving wheel is meshed with a driven wheel to transmit power to the driven wheel, the driven wheel transmits the power to a first connecting rod 2, two ends of the first connecting rod 2 are respectively hinged to the inner side of a box body and the inner side of a door body, the upper and lower first connecting rods 2 are connected through a third connecting rod 6 to achieve the effect of vertical synchronous motion, the upper and lower first connecting rods 2 together drive the door body 5 to achieve automatic opening, when the door body 5 moves to the second connecting rod 3 to contact with a second limit switch on the inner side of the door body 5, the motor is powered off and stops rotating, and at this time, the automatic opening motion is completed; similarly, if the instruction of closing the door that sends then the motor reversal, the motor drives the action wheel and rotates, action wheel and follow driving wheel meshing with power transmission to from the driving wheel on, from the driving wheel with power transmission to first connecting rod 2 on, two upper and lower first connecting rods 2 drive the door body 5 simultaneously and realize the automatic action of closing the door, when the door body 5 rotates to contact with box 4, the motor outage stall, at this moment, the automatic motion of closing the door is accomplished.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention.

Claims (14)

1. A hinge structure characterized by: the method comprises the following steps:
a first link (2);
the second connecting rod (3), the second connecting rod (3) set up in one side of first connecting rod (2), wherein, the first end pin joint of first connecting rod (2) with the axis of the first end pin joint of second connecting rod (3) is parallel to each other, the first end of first connecting rod (2) and the first end of second connecting rod (3) are fixed a position relatively, the second end of first connecting rod (2) with the second end of second connecting rod (3) is fixed a position relatively.
2. A hinge construction according to claim 1, wherein: the first connecting rod (2) comprises a first straight rod section (21) and a second straight rod section (22) connected with the first straight rod section (21), and an included angle alpha is formed between the first straight rod section (21) and the second straight rod section (22); the rod end of the first straight rod section (21) is positioned opposite to the first end of the second connecting rod (3), and the rod end of the second straight rod section (22) is positioned opposite to the second end of the second connecting rod (3).
3. A hinge construction according to claim 2, wherein: the corner of the first connecting rod (2) bends towards one side of the second connecting rod (3).
4. A hinge construction according to claim 2, wherein: the length of the first straight rod section (21) is smaller than that of the second straight rod section (22).
5. A hinge construction according to claim 1, wherein: the second connecting rod (3) is a straight rod.
6. A hinge construction according to claim 2, characterized in that: the length of a straight line from the first end to the second end of the first connecting rod (2) is equal to the length of the second connecting rod (3).
7. A hinge construction according to any one of claims 1-6, characterized in that: the device is characterized by further comprising a driving device (1), wherein the driving device (1) is connected with the first end of the first connecting rod (2), and the driving device (1) can drive the first connecting rod (2) to rotate by taking the first end of the first connecting rod as a circle center.
8. A hinge construction according to claim 7, wherein: the driving device (1) comprises a motor (11), a driving wheel (12) and a driven wheel (13); the driving wheel (12) is fixedly connected with the motor (11), the driven wheel (13) is fixedly connected with the first end of the first connecting rod (2), and the driving wheel (12) is in transmission connection with the driven wheel (13).
9. A refrigerator, characterized in that: comprises a box body (4), a door body (5) and a hinge structure according to any one of claims 1 to 6; the first end and the second end of a first connecting rod (2) of the hinge structure are respectively hinged to the inner side of the box body (4) and the inner side of the door body (5), and the first end and the second end of a second connecting rod (3) of the hinge structure are respectively hinged to the inner side of the box body (4) and the inner side of the door body (5).
10. The refrigerator according to claim 9, wherein: the hinge structure further comprises a driving device (1), the driving device (1) is connected with the first end of the first connecting rod (2) of the hinge structure, and the driving device (1) can drive the first connecting rod (2) to rotate by taking the first end of the first connecting rod as a circle center.
11. The refrigerator according to claim 9, wherein: a plurality of sets of hinge structures which are vertically arranged are arranged between the box body (4) and the door body (5), and the upper first connecting rod (2) is connected with the lower first connecting rod (2) through a third connecting rod (6) to realize synchronous rotation.
12. The refrigerator according to claim 11, wherein: the hinge structure comprises at least one set of hinge structures and further comprises a driving device (1), the driving device (1) is connected with the first end of the first connecting rod (2) corresponding to the hinge structures, and the driving device (1) can drive the first connecting rod (2) connected with the driving device to rotate by taking the first end of the first connecting rod as a circle center.
13. A refrigerator according to any one of claims 10 or 12, characterized in that: the door opening and closing device is characterized by further comprising a controller, wherein the controller can receive door opening or closing instructions, is connected with the driving device (1) and can control the driving device (1) to start according to the received door opening or closing instructions so as to drive the first connecting rod (2) to drive the door body (5) to open or close relative to the box body (4).
14. The refrigerator according to claim 13, wherein: the box body (4) and the door body (5) are respectively provided with a first limit switch and a second limit switch which are connected with the controller; when the door body (5) is in a fully-open state, the second limit switch can be in contact with the second connecting rod (3) and sends a signal to the controller to enable the controller to control the driving device (1) to stop, and when the door body (5) is in a closed state, the first limit switch can be in contact with the door body (5) and sends a signal to the controller to enable the controller to control the driving device (1) to stop.
CN202211565981.5A 2022-12-07 2022-12-07 Hinge structure and refrigerator Pending CN115822401A (en)

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Application Number Priority Date Filing Date Title
CN202211565981.5A CN115822401A (en) 2022-12-07 2022-12-07 Hinge structure and refrigerator

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Application Number Priority Date Filing Date Title
CN202211565981.5A CN115822401A (en) 2022-12-07 2022-12-07 Hinge structure and refrigerator

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CN115822401A true CN115822401A (en) 2023-03-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117704708A (en) * 2024-02-03 2024-03-15 山东杰西玛机械科技有限公司 Food fresh-keeping precooling device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117704708A (en) * 2024-02-03 2024-03-15 山东杰西玛机械科技有限公司 Food fresh-keeping precooling device

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