WO2022037538A1

WO2022037538A1 - Hinge assembly and storage cabinet

Info

Publication number: WO2022037538A1
Application number: PCT/CN2021/112815
Authority: WO
Inventors: 黄勇; 崔怀雷; 沈剑; 杨乐庭; 陈吞
Original assignee: 合肥美的电冰箱有限公司; 合肥华凌股份有限公司; 美的集团股份有限公司
Priority date: 2020-08-19
Filing date: 2021-08-16
Publication date: 2022-02-24
Also published as: EP4105421A4; EP4105421B1; CN111749565B; EP4105421A1; CN111749565A

Abstract

The present application relates to the technical field of hinges, and provides a hinge assembly and a storage cabinet. The hinge assembly comprises a first hinge body and a second hinge body; the first hinge body is provided with one of a hinge slot and a hinge shaft disposed within the hinge slot, and is further provided with one of a limiting slot and a limiting shaft disposed within the limiting slot; the second hinge body is provided with the other of the hinge shaft and the hinge slot, and is further provided with the other of the limiting shaft and the limiting slot; the hinge shaft is adapted to move within the hinge slot to make the limiting shaft move in the extension direction of the limiting slot; the bottom wall of the limiting slot is provided with a first guide surface; the first guide surface gradually descends along an extension direction from an open end to a closed end; the limiting shaft abuts against the first guide surface to make the first hinge body or the second hinge body move up/down along the first guide surface. According to the hinge assembly and the storage cabinet provided by the present application, assistance can be provided for a door closing process and a door opening process can be made more stable.

Description

Hinged components and lockers

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application with the application number 202010839057.6 and the invention title "Hinge Assembly and Locker" filed on August 19, 2020, which is fully incorporated into this application by reference.

technical field

The present application relates to the technical field of hinges, and in particular, to hinge assemblies and storage cabinets.

Background technique

The storage cabinet includes a cabinet body and a door body. In the related art, the door body is rotatably connected to the cabinet body through a hinge assembly. Among them, the locker can be a refrigerator, a freezer, a microwave oven, a display cabinet and other equipment whose doors are rotatably connected to the cabinet.

Taking the refrigerator as an example, the deficiencies in the cooperation between the hinge assembly, the door and the cabinet are explained. When the door is closed relative to the cabinet, the user pushes the door to close the cabinet, which has a relatively large impact on the cabinet. And the door body is subjected to the reaction force of the cabinet body, which will affect the sealing effect between the door body and the cabinet body.

SUMMARY OF THE INVENTION

The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a hinge assembly, which can provide assistance for the door closing process and make the door opening process more stable.

The application also proposes a locker.

The hinge assembly according to the embodiment of the first aspect of the present application includes:

The first hinge body is provided with one of a hinge slot and a hinge shaft arranged in the hinge slot, and also has one of a limit slot and a limit shaft arranged in the limit slot;

The second hinge body is provided with the other one of the hinge shaft and the hinge slot, and the other one of the limit shaft and the limit slot; the hinge shaft is suitable for the hinge joint moving in the slot, so that the limit shaft moves along the extension direction of the limit slot;

The bottom wall of the limit groove is provided with a first guide surface, the first guide surface gradually sinks along the extension direction from the open end to the closed end, and the limit shaft abuts the first guide surface to make the The first hinge body or the second hinge body moves up and down along the first guide surface.

The hinge assembly according to the embodiment of the present application includes a first hinge body and a second hinge body. The first hinge body and the second hinge body are provided with a hinge shaft and a hinge groove, a limit shaft and a limit groove, and the limit The bottom wall of the groove is provided with a first guide surface, and the first guide surface is an inclined surface. The limiting shaft abuts the first guide surface and cooperates with the first guide surface to assist the first hinge body and the second hinge body to close, so that the door body closing process is more labor-saving, and the inclined first guide surface also helps the door At the same time, the first guide surface increases the resistance of the opening process of the first hinge body and the second hinge body, which can reduce the impact of the door opening process on the hinge assembly and improve the stability of the hinge assembly. sex.

According to an embodiment of the present application, the bottom wall of the limiting groove is provided with a positioning surface, the positioning surface is connected to the open end of the first guide surface, the positioning surface extends in a horizontal direction, the positioning surface is The limiting shaft abuts on the positioning surface to make the first hinge body or the second hinge body move horizontally along the positioning surface.

According to an embodiment of the present application, the hinge slot is set as a long slot, the hinge shaft is adapted to move along the extending direction of the hinge slot, and the hinge slot includes a first position and a second position at both ends, from From the first position to the second position, the limit shaft moves along the closed end to the open end; the bottom wall of the hinge groove is provided with a second guide surface, and the second guide surface runs along the The second position gradually sinks in the extending direction of the first position, and the hinge shaft abuts on the second guide surface to move up and down along the second guide surface.

According to an embodiment of the present application, the hinge groove is a long groove, and the hinge groove includes a first position close to the limit groove and a second position away from the limit groove;

The limiting slot includes a first slot portion and a second slot portion that are communicated with each other, and the second slot portion extends in a direction away from the hinge slot relative to the first slot portion;

The hinge shaft moves from the second position to the first position, and the limit shaft moves from the first groove portion to the second groove portion, so that the first hinge body and the The second hinge bodies are close to each other;

The hinge shaft moves from the first position to the second position, and the limit shaft moves from the second groove portion to the first groove portion, so that the first hinge body and the The second hinge bodies are separated from each other.

According to an embodiment of the present application, the hinge groove includes a first moving part and a first limiting part that communicate with each other, and the limiting groove includes a second moving part and forms a clip with the extending direction of the second moving part The second limit part of the corner;

The hinge shaft is adapted to move relative to the first moving part, so that the limiting shaft moves along the extending direction of the second moving part;

or,

The hinge shaft is located in the first limiting portion, and the limiting shaft is located in the second limiting portion, so that the first hinge body and the second hinge body are fixed.

According to an embodiment of the present application, the first limiting portion protrudes in a direction away from the second moving portion, and the second limiting portion protrudes in a direction close to the first moving portion.

According to an embodiment of the present application, an elastic limiting member for reducing the width of a preset position in the limiting groove is provided in the limiting groove, and the limiting shaft is adapted to overcome the resistance of the elastic limiting member while passing the preset position.

According to an embodiment of the present application, the elastic limiting member includes a first limiting body and a second limiting body disposed opposite to each other, and the first limiting body and the second limiting body limit the opening end and Closed end, the open end faces the opening in the extending direction of the limit groove and is located at the preset position, the opening width of the open end is smaller than the width of the limit shaft, and the limit shaft overcomes the gap of the open end. The elastic resistance can pass through the preset position, and the limiting shaft is limited between the open end and the closed end.

A locker according to an embodiment of the second aspect of the present application includes a cabinet body, a door body, and the hinge assembly described in the above embodiments, and the hinge assembly connects the lower end of the door body to the cabinet body.

According to an embodiment of the present application, the upper end of the door body is connected to the cabinet body through the hinge assembly, and the limit shafts at the upper and lower ends respectively abut against the bottom wall of the limit slot.

The above-mentioned one or more technical solutions in the embodiments of the present application have at least one of the following technical effects:

The hinge assembly of the embodiment of the present application includes a first hinge body and a second hinge body. The first hinge body and the second hinge body are provided with a hinge shaft and a hinge groove, a limit shaft and a limit groove, and a limit groove. The bottom wall of the hinge is provided with a first guide surface, and the first guide surface is an inclined surface. The limiting shaft abuts the first guide surface and cooperates with the first guide surface to assist the first hinge body and the second hinge body to close, so that the door body closing process is more labor-saving, and the inclined first guide surface also helps the door At the same time, the first guide surface increases the resistance of the opening process of the first hinge body and the second hinge body, which can reduce the impact of the door opening process on the hinge assembly and improve the stability of the hinge assembly. sex.

Further, an embodiment of the present application also provides a locker, including a door body and a cabinet body. The lower end of the door body is connected to the cabinet body through the hinge assembly of the above-mentioned embodiment. , the first guide surface can provide the resistance of the door body to open and the assistance of the door body to close, so that the door body closing process is more labor-saving and the door body opening process is more stable.

Additional aspects and advantages of the present application will be set forth, in part, from the following description, and in part will become apparent from the following description, or may be learned by practice of the present application.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

1 is a schematic structural diagram of an exploded state of a hinge assembly provided by an embodiment of the present application;

2 is a schematic structural diagram of an exploded state of the relative positional relationship between the limit shaft of the hinge assembly and the bottom wall of the limit groove provided by the embodiment of the present application;

3 is a schematic structural diagram of the end cover of the hinge assembly connected to the cabinet body and the door body provided by the embodiment of the present application; wherein, the first hinge body and the second hinge body are in a closed state, and the hinge shaft is located at the first position of the hinge groove, The limiting shaft is located in the second groove portion of the limiting groove and abuts the first guide surface;

Fig. 4 is the partial enlarged structural representation of A part among Fig. 3;

Fig. 5 is the sectional structure schematic diagram of B-B part in Fig. 4;

6 is a schematic structural diagram of the hinge assembly provided by the embodiment of the present application connected to the end cover of the cabinet body and the door body; the difference from FIG. 3 is that the first hinge body and the second hinge body are in an open state, and the hinge shaft is located in the hinge groove. The second position of the limit shaft is located in the first groove portion of the limit groove and abuts the first guide surface;

Fig. 7 is the partial enlarged structural representation of C part in Fig. 6;

Fig. 8 is the sectional structure schematic diagram of D-D part in Fig. 7;

9 is a schematic structural diagram of the hinge assembly provided in the embodiment of the present application connected to the end cover of the cabinet body and the door body; the difference from FIG. 6 is that the first hinge body and the second hinge body are opened to the maximum angle, and the limit shaft abuts against contact positioning surface;

Fig. 10 is the partial enlarged structural representation of E part in Fig. 9;

Fig. 11 is the sectional structure schematic diagram of F-F in Fig. 10;

12 is a schematic structural diagram of the hinge assembly provided in the embodiment of the present application connected to the end cover of the cabinet body and the door body; wherein, the first hinge body and the second hinge body are limited to the position of opening 90°, and the hinge axis is limited to the first hinge body The limit part, the limit shaft is limited to the second limit part;

Fig. 13 is a partial enlarged structural schematic diagram of H in Fig. 12;

14 is a schematic structural diagram of the hinge assembly provided in the embodiment of the present application connected to the end cover of the cabinet body and the door body; wherein, the first hinge body and the second hinge body can move relative to each other, the hinge shaft is located in the first moving part, and the limit the shaft is located in the second moving part;

Fig. 15 is the partial enlarged structural schematic diagram of part I in Fig. 14;

16 is a schematic structural diagram of an exploded state in which an elastic limiting member is provided in the limiting groove of the hinge assembly provided by the embodiment of the present application;

17 is a schematic structural diagram of an elastic stopper of a hinge assembly provided in an embodiment of the present application;

18 is a schematic structural diagram of the hinge assembly provided in the embodiment of the present application connected to the end cover of the cabinet body and the door body; wherein, the first hinge body and the second hinge body are in a closed state, the hinge shaft is at the first position, and the limit shaft a second groove portion located in the limiting groove and limited within the elastic limiting member;

FIG. 19 is a partial enlarged structural schematic diagram of the G part in FIG. 18 .

Reference number:

100: the first hinge body; 110: the hinge shaft; 111: the first lubricating sleeve; 112: the first through hole; 120: the limit shaft; 121: the second lubricating sleeve;

200: second hinge body; 210: hinge groove; 211: first moving part; 212: first position; 213: second position; 214: first limit part; 215: second through hole; 220: limit 221: first guide surface; 222: positioning surface; 223: second moving part; 224: first groove part; 225: second groove part; 226: second limit part; 230: insertion slot;

300: elastic limiter; 310: open end; 320: closed end; 330: folded part; 340: first limit body; 350: second limit body;

400: Cabinet body; 500: End cover.

detailed description

The embodiments of the present application will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the application, but not to limit the scope of the application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal" "," "top", "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and It is not indicated or implied that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the embodiments of the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the embodiments of the present application, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integral connection; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present application in specific situations.

In the embodiments of the present application, unless otherwise expressly specified and limited, the first feature "on" or "under" the second feature may be in direct contact with the first and second features, or the first and second features pass through the middle indirect contact with the media. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structures, materials, or features are included in at least one example or example of the embodiments of the present application. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Embodiments of the first aspect of the present application, as shown in FIG. 1 to FIG. 11 , provide a hinge assembly including: a first hinge body 100 and a second hinge body 200 that can be opened and closed relative to the first hinge body 100 . When the first hinge body 100 is connected to the cabinet body 400 and the second hinge body 200 is connected to the door body (the second hinge body 200 can be connected to the door body through the end cover 500 on the door body), the door body can be opposite to the cabinet body 400 Turn the closure. Of course, the first hinge body 100 is not limited to being connected to the cabinet body 400, but can also be connected to a door frame, and the door body can be rotated and opened and closed relative to the door frame. illustrate.

The first hinge body 100 is provided with one of the hinge groove 210 and the hinge shaft 110 provided in the hinge groove 210 , and the first hinge body 100 is provided with a limit groove 220 and one of the limit shaft 120 provided in the limit groove 220 . One; the second hinge body 200 is provided with the other one of the hinge shaft 110 and the hinge groove 210 , and the second hinge body 200 is provided with the other one of the limit shaft 120 and the limit groove 220 . The hinge shaft 110 is adapted to move in the hinge groove 210, so that the limit shaft 120 moves along the extension direction of the limit groove 220, and the movement process of the hinge shaft 110 and the limit shaft 120 realizes the first hinge body 100 and the second hinge The opening and closing adjustment of the main body 200 further realizes the opening and closing adjustment of the door body relative to the cabinet body 400 .

1 , the first hinge body 100 is provided with a hinge shaft 110 and a limit shaft 120, and the second hinge body 200 is provided with a hinge groove 210 and a limit groove 220; or, the first hinge body is provided with a hinge The shaft and the limit slot (not shown in the figure), the second hinge body is provided with a hinge slot and a limit shaft; or, the first hinge body is provided with a hinge slot and a limit slot (not shown in the figure), the second hinge The hinge body is provided with a hinge shaft and a limit shaft; or, the first hinge body is provided with a hinge groove and a limit shaft (not shown in the figure), and the second hinge body is provided with a hinge shaft and a limit groove.

The above-mentioned combination of the first hinge body 100 and the second hinge body 200 has the same working principle. In this embodiment and the following embodiments, as shown in FIG. The limiting shaft 120, the hinge groove 210 and the limiting groove 220" are provided on the second hinge body 200 as an example to illustrate.

The bottom wall of the limiting groove 220 is provided with a first guide surface 221, the first guide surface 221 gradually sinks along the extending direction from the open end to the closed end, and the direction from the open end to the closed end is along the direction of the first hinge body 100 and the closed end. From the open state of the second hinge body 200 to the closed state, the limiting shaft 120 abuts the first guide surface 221 to move the first hinge body 100 or the second hinge body 200 up and down along the first guide surface 221 .

In combination with the above, the cabinet body 400 is connected to the first hinge body 100, and the door body is connected to the second hinge body 200. In this embodiment and the following embodiments, the first hinge body 100 (limiting shaft 120) is fixed and the second hinge body is 200 (limiting slot 220 ) lifting movement (that is, the cabinet body 400 remains fixed, and the door body lifts and lowers relative to the cabinet body 400 ) for description.

The first guide surface 221 gradually sinks in the extending direction from the open end to the closed end, that is, the first guide surface 221 extends obliquely, and the first guide surface 221 moves from the open end to the closed end and away from the limit axis. extend.

Referring to FIGS. 3 to 8 , when the door body is opened relative to the cabinet body 400 , the limiting shaft 120 abuts the first guide surface 221 , the limiting shaft 120 remains fixed, and the limiting groove 220 rises relative to the limiting shaft 120 , in the process of the limit slot 220 rising, the second hinge body 200 needs to overcome the resistance of its own gravity between the first guide surface 221 and the limit shaft 120, so that the resistance of the door body opening process increases, which can reduce the opening process The impact of the impact force on the hinge assembly helps to improve the stability of the hinge assembly. 8 to 3 , when the door body is closed relative to the cabinet body 400, the limiting shaft 120 abuts the first guide surface 221, the limiting groove 220 descends relative to the limiting shaft 120, and the limiting groove 220 descends During the process, the gravity of the second hinge body 200 urges it to move in the direction of the closed state, which makes the door closing process more labor-saving, and also helps to ensure the sealing performance between the door and the cabinet 400; when the slope of the first guide surface 221 If it is large enough, the door body can be automatically closed along the first guide surface 221 .

The ascending and descending distances of the second hinge body 200 are relatively small, and have little influence on the relative position of the door body and the cabinet body 400 , and the ascending and descending distance is related to the slope of the first guide surface 221 .

In the hinge assembly of this embodiment, by setting the first guide surface 221 in the guide groove, the door body can be smoothly closed without additionally providing a suction structure, and the sealing performance between the door body and the cabinet body 400 can be improved, which is helpful for In order to simplify the structure of the hinge assembly and reduce the connection parts between the door body and the cabinet body 400 .

In one embodiment, as shown in FIG. 2 , FIG. 5 , FIG. 8 and FIG. 11 , the bottom wall of the limiting groove 220 is provided with a positioning surface 222 , and the positioning surface 222 is connected to the open end of the first guide surface 221 . 222 extends in the horizontal direction, and the limiting shaft 120 abuts on the positioning surface 222 to make the first hinge body 100 or the second hinge body 200 move horizontally along the positioning surface 222 . The limiting shaft 120 moves relative to the positioning surface 222, and the height of the positioning surface 222 remains unchanged, so the door body no longer moves up and down relative to the cabinet body 400, and the resistance between the positioning surface 222 and the limiting shaft 120 helps the door body Hover relative to cabinet 400.

The open state includes a first open state and a second open state. From the closed state to the first open state, the limit shaft 120 abuts the first guide surface 221; from the first open state to the second open state, the limit shaft 120 abuts the positioning surface 222 .

From the closed state to the second open state, the limiting shaft 120 first contacts the first guide surface 221, and during the movement along the first guide surface 221, the second hinge body 200 rises relative to the closed state, that is, the door body is relatively When the cabinet 400 rises and opens; the limiting shaft 120 moves to the position where it is separated from the first guide surface 221 and abuts against the positioning surface 222 , the height of the second hinge body 200 remains unchanged, and the limiting shaft 120 and the limiting slot 220 are only The relative movement along the extension direction of the limiting groove 220 is generated, and at this time, the door body keeps moving horizontally and continues to open, and no longer rises. From the second open state to the closed state, the limiting shaft 120 first moves horizontally along the positioning surface 222, and then moves to abut the first guide surface 221, and the second hinge body 200 descends, so that the door body descends relative to the cabinet body 400, and the door The body slides down along the first guide surface 221 by its own gravity, which assists the closing process of the door body, so that the closing process of the door body is more labor-saving.

The opening angle of the first open state is smaller than the opening angle of the second open state, and the dividing point between the first opening state and the second opening state can be selected as required, for example, the opening angle of the dividing point is 60° or 90°. The second opening state includes the maximum opening angle. The horizontal direction refers to the direction perpendicular to the height of the cabinet 400 when the door is installed on the cabinet 400 to ensure that the door can be opened and closed stably.

In one embodiment, the hinge slot 210 is set as a long slot, the hinge shaft 110 is adapted to move along the extending direction of the hinge slot 210 , and the hinge slot 210 includes a first position 212 and a second position 213 at both ends, from the first position 212 At the second position 213, the limit shaft 120 moves along the closed end to the open end; the bottom wall of the hinge groove 210 is provided with a second guide surface (not shown in the figure, the shape of the first guide surface 221 can be referred to), the second guide surface The surface gradually sinks along the extending direction of the second position to the first position, and the hinge shaft 110 abuts the second guide surface to move up and down along the second guide surface. During the relative lifting and lowering of the limit shaft 120 and the limit slot 220, the hinge shaft 110 and the hinge slot 210 also move relative to each other and rise and fall relative to each other, so that the hinge shaft 110 and the bottom wall of the hinge slot 210 are kept in contact and supported, and the first hinge body The forces between the 100 and the second hinge body 200 are more balanced.

Wherein, when the hinge shaft 110 moves along the extending direction of the hinge groove 210 , the limit groove 220 and the limit shaft 120 move synchronously, so as to ensure the relative relationship between the hinge shaft 110 , the hinge groove 210 , the limit shaft 120 and the limit groove 220 . Positional relationship. The hinge slot 210 is a long slot, which can be matched with the limit slots 220 of different shapes, so that the relative movement of the first hinge body 100 and the second hinge body 200 in the front-rear and left-right directions is generated, so that the door body can move forward and backward relative to the cabinet body 400 , The relative movement of left and right solves the interference problem between the door body and the cabinet body 400 or the fixed structure such as the wall body. The long groove can be understood as an oblong groove, which is suitable for fitting with the cylindrical hinge shaft 110 .

Of course, the hinge groove 210 can also be a cylindrical groove, the hinge shaft 110 only rotates relative to the hinge groove 210 , and the limit shaft 120 cooperates with the limit groove 220 to adjust the opening and closing process of the door.

In the above-mentioned embodiment, the first guide surface 221, the positioning surface 222 and the second guide surface can all be set as plane or curved surface, wherein the plane structure is simple, and the curved surface can be similar to the second lubricating bushing 121 and the second lubricating bushing 121 and The shape of the end of the first lubricating bushing 111 is adapted to further guide and limit the limiting shaft 120 and the hinge shaft 110 .

In one embodiment, as shown in FIGS. 4 , 7 and 10 , the hinge slot 210 is a long slot, and the hinge slot 210 includes a first position 212 close to the limit slot 220 and a second position 213 away from the limit slot 220 The limiting groove 220 includes a first groove portion 224 and a second groove portion 225 that are communicated, and the second groove portion 225 extends in a direction away from the hinge groove 210 relative to the first groove portion 224; the hinge shaft 110 extends from the second position 213 Moving to the first position 212 , the limiting shaft 120 moves from the first groove portion 224 to the second groove portion 225 , so that the first hinge body 100 and the second hinge body 200 are approached; the hinge shaft 110 moves from the first position 212 To the second position 213 , the limiting shaft 120 moves from the second groove portion 225 to the first groove portion 224 , so as to keep the first hinge body 100 away from the second hinge body 200 .

When the cabinet body 400 and the door body are closed to each other, the limiting shaft 120 is located in the second groove portion 225, the hinge shaft 110 is located at the first position 212 in the limiting groove 220, the first hinge body 100 and the second hinge body 200 are close to each other, Reduce the distance between the door body and the cabinet body to facilitate the sealing of the door body and the cabinet body. Referring to the states shown in FIGS. 4 and 7 , the door body is opened at a predetermined angle relative to the cabinet body 400 , the first hinge body 100 is far away from the second hinge body 200 , and at this time, the limiting shaft 120 passes from the second groove portion 225 Moving into the first groove portion 224, the hinge shaft 110 moves from the first position 212 to the second position 213, thereby increasing the distance between the door and the cabinet to avoid interference between the door and the cabinet. Referring to the states shown in FIGS. 7 to 10 , the door body is opened to the maximum angle relative to the cabinet body 400 , the first hinge body 100 is kept away from the second hinge body 200 , and the hinge shaft 110 is rotated and adjusted at the second position 213 , so as to drive the limiting shaft 120 to move in an arc-shaped path in the first groove portion 224 . When the limiting shaft 120 moves from contact with the first guide surface 221 to contact with the positioning surface 222 , the first hinge body 100 and the second hinge body 200 can hover under the resistance of the positioning surface 222 to reduce the second hinge The impact force of the door body on the hinge assembly during the opening of the body 200 relative to the first hinge body 100 helps to improve the stability and service life of the hinge assembly.

When the hinge assembly of this embodiment is applied between the door body of a refrigeration device (such as a refrigerator) and the cabinet body 400, when the door body is closed, the distance between the door body and the cabinet body 400 is relatively small, so that the door body and the cabinet body 400 are smaller. The thickness of the door seal between the bodies 400 can be reduced, by reducing the thickness of the door seal to reduce the thermal conductivity of the door seal, cancel the magnetic strip in the door seal or change the magnetic strip in the door seal, such as reducing the filling in the magnetic strip, Furthermore, the thermal conductivity of the magnetic strip can be reduced, the thermal insulation and thermal insulation effects of the door seal can be improved, the thermal insulation performance of the refrigeration equipment can be improved, and the energy consumption of the refrigeration equipment can be reduced.

The fact that the first groove portion 224 and the second groove portion 225 form an included angle means that the center line of the first groove portion 224 and the center line of the second groove portion 225 form an included angle. The size of the included angle between the first groove portion 224 and the second groove portion 225 is related to the distance between the first position 212 and the second position 213 ; when the hinge shaft 110 is located at the first position 212 , it is necessary to ensure that the limit shaft 120 Located in the second groove portion 225 , when the hinge shaft 110 is located at the second position 213 , it is necessary to ensure that the limiting shaft 120 is positioned in the first groove portion 224 . Referring to FIG. 4 , FIG. 7 and FIG. 10 , the first position 212 and the second position 213 are two opposite ends of the limiting groove 220 , respectively. It should be noted that when the hinge groove includes the first moving part 211 and the first limiting part, the first position 212 and the second position 213 are two ends of the first moving part 211 respectively.

In one embodiment, as shown in FIG. 12 to FIG. 15 , the hinge slot 210 includes a first moving part 211 and a first limiting part 214 that communicate with each other, and the limiting slot 220 includes a second moving part 223 and the second moving part 223 The extending direction of the part 223 forms a second limiting part 226 at an included angle; the hinge shaft 110 is adapted to move relative to the first moving part 211, so that the limiting shaft 120 moves along the extending direction of the second moving part 223; or, the hinge shaft 110 is located in the first limiting portion 214, and the limiting shaft 120 is located in the second limiting portion 226, so that the first hinge body 100 and the second hinge body 200 are fixed. The hinge shaft 110 and the limiting shaft 120 can be positioned by the first limiting portion 214 and the second limiting portion 226 , so that the door body can hover relative to the cabinet body 400 .

Referring to FIGS. 12 and 13 , when the door body needs to be limited to a preset opening angle, the hinge shaft 110 is moved from the first moving part 211 to the first limiting part 214 , and at this time, the limiting shaft 120 moves from the second The door 223 moves to the second limiting portion 226, preventing the hinge shaft 110 from moving, and also preventing the limiting shaft 120 from moving. The first hinge body 100 and the second hinge body 200 are fixed, and the door body is kept at the preset opening angle. Referring to FIGS. 14 and 15 , when the preset opening angle of the door body needs to be adjusted or the door body needs to be closed to the cabinet body 400 , the door body needs to be moved again, and the hinge shaft 110 needs to be moved from the first limiting portion 214 to the first movement. At this time, the limit shaft 120 moves from the second limit part 226 to the second movement part 223, so that the hinge shaft 110 can move in the first movement part 211, and the limit shaft 120 can move in the second movement part 223 Inward movement, the first hinge body 100 and the second hinge body 200 can rotate relative to each other, so that the door body can be rotated and adjusted relative to the cabinet body 400 .

The second limiting portion 226 forms an included angle with the extending direction of the second moving portion 223 , that is, an included angle is formed between the contour line of the second limiting portion 226 and the contour line of the second moving portion 223 , so that the limiting portion 226 forms an included angle. After the shaft 120 enters the second limiting portion 226 , the limiting shaft 120 can no longer move along the second moving portion 223 . The extending direction of the limiting groove 220 can be understood as the length direction of the groove, that is, the direction perpendicular to the axial direction of the limiting shaft 120 . The range of the preset opening angle is between the closed state (opening 0°) and the maximum opening angle. In general, the preset opening angle is smaller than the maximum opening angle.

In the hinge assembly of this embodiment, the first limiting portion 214 cooperates with the second limiting portion 226 to limit the positions of the first hinge body 100 and the second hinge body 200 , so that the door body can be opened relative to the cabinet body 400 Hover at the preset angle position, which can be selected according to needs, and can also prevent the door body from opening to the maximum opening angle, which can reduce the impact force of the door body on the hinge assembly, improve the safety and service life of the hinge assembly, and can also Reducing the design strength requirement of the hinge assembly helps to reduce the cost of the hinge assembly. Moreover, hovering the door body at the preset opening angle is convenient for picking up and placing items at a fixed position, and the use is more convenient.

The hinge slot 210 and the limiting slot 220 in this embodiment can be used in cooperation with the positioning surface 222 in the above-mentioned embodiment, so that the door body can hover at different positions.

In one embodiment, as shown in FIGS. 12 to 15 , the first limiting portion 214 protrudes in a direction away from the second moving portion 223 , and the second limiting portion 226 protrudes in a direction close to the first moving portion 211 . . The first limiting portion 214 is connected to the second position 213 of the first moving portion 211 and extends away from the first moving portion 211 , so that when the hinge shaft 110 enters the first limiting portion 214 , the first hinge body 100 and the The second hinge body 200 is further away, that is, the distance between the door body and the cabinet body 400 is further increased, so as to avoid interference between the door body and the cabinet body 400 . It can be understood that when the door body is pulled outward, the hinge shaft 110 enters the first limiting portion 214 and the limiting shaft 120 enters the second limiting portion 226 , the door body and the cabinet body 400 are relatively fixed, and the door body hovers.

The second limiting portion 226 protrudes toward the direction close to the first moving portion 211 , which can be understood as the second limiting portion 226 is formed on the side wall of the second moving portion 223 close to the first moving portion 211 .

Of course, the second limiting portion can also be formed on the side wall of the second moving portion away from the first moving portion (not shown in the figure). At this time, the position of the first limiting portion changes accordingly to ensure the limiting shaft. Relative positional relationship with the hinge axis. At this time, push the door body inward, the hinge shaft enters the first limit part, the limit shaft enters the second limit part, and the distance between the door body and the cabinet body is reduced. This embodiment is suitable for the door body and the cabinet body There is sufficient space between them.

In one embodiment, one first limiting portion is provided, and multiple second limiting portions are provided in the extending direction of the second moving portion (not shown in the figure), so that the first hinge body and the second hinge body can Positioning at multiple angular positions, the door body can hover at multiple angular positions. Wherein, the plurality of second limit parts are all corresponding to one first limit part, the limit shaft is located in any second limit part, and the hinge shaft is located in the first limit part, the structure is simple, and the hinge assembly can be simplified. structure.

Of course, referring to FIGS. 12 to 15 , one first limiting portion 214 and one second limiting portion 226 may also be provided, so that the first hinge body 100 and the second hinge body 200 can only be positioned at one angular position , that is, the door hovers at an angular position. Referring to Figure 12 and Figure 13 , the door hovers at a position of opening 90°.

Embodiments of the elastic limiting member 300 are provided below.

In one embodiment, as shown in FIG. 16 to FIG. 19 , the limiting groove 220 is provided with an elastic limiting member 300 for reducing the width of the preset position in the limiting groove 220 , and the limiting shaft 120 is adapted to overcome the elastic limiting The resistance of the member 300 passes through the preset position.

The elastic limiting member 300 reduces the width of the preset position in the limiting groove 220 . At the preset position, the elastic limiting member 300 provides resistance for the limiting shaft 120 to continue to move, so that the limiting shaft 120 needs to overcome the elastic limiting member 300 resistance through the preset position. The setting of the elastic limiting member 300 enables the limiting shaft 120 to decelerate and to be limited to one side of the preset position. The elastic limiting member 300 is arranged in the limiting groove 220, so that the traditional self-locking structure, such as a stop structure, can be omitted between the cabinet body 400 and the door body, thereby reducing the manufacturing cost.

In the closed state of the door, the limiting shaft 120 is located at the first end of the limiting slot 220 , and when the door is opened to the maximum angle, the limiting shaft 120 is located at the second end of the limiting slot 220 .

When the elastic limiting member 300 is disposed close to the first end of the limiting slot 220, when the door body is closed to the cabinet body 400, the limiting shaft 120 can move to the first end only after passing through the preset position. The elastic resistance of the limiting member 300 can reduce the rotation speed of the door body, thereby reducing the impact force of the door body on the cabinet body 400 . In addition, the elastic limiting member 300 can also play a limiting role on the limiting shaft 120 at the first end, and the elastic limiting member 300 prevents the limiting shaft 120 from moving in the direction of opening the door body, and plays a self-locking function.

When the elastic limiting member 300 is disposed close to the second end of the limiting slot 220, when the door body is opened relative to the cabinet body 400, the limiting shaft 120 can only move to the second end after passing through the preset position. The elastic resistance of the elastic limiting member 300 can reduce the rotation speed of the door body, thereby reducing the impact force on the hinge assembly during the door opening process, and improving the safety and structural stability of the hinge assembly. In addition, the elastic limiter 300 can also limit the limit shaft 120 located at the second end, and the elastic limiter 300 can prevent the limit shaft 120 from moving in the closing direction of the door body, so that the door body is kept at the maximum opening. Angle to avoid door shaking.

The elastic limiting member 300 is close to the first end (or the second end) of the limiting groove 220 , and it is necessary to ensure that the first end (or the second end) can accommodate the limiting shaft 120 . When the limiting shaft 120 is sleeved with the second lubricating sleeve 121 in the following embodiments, the first end (or the second end) needs to be able to accommodate the second lubricating sleeve 121 . Wherein, the extending direction of the limiting groove 220 can be understood as the length direction of the groove, that is, the direction perpendicular to the axial direction of the limiting shaft 120 . The width of the preset position in the limiting groove 220 refers to the distance perpendicular to the length direction of the groove. The width of the limiting shaft 120 is the maximum distance along the width direction of the limiting groove 220 . When the limiting shaft 120 is a cylindrical shaft, the width of the limiting shaft 120 is the diameter of the cylinder.

Of course, the elastic limiting member 300 can also be arranged at other positions in the limiting slot 220 to limit the limiting shaft 120 to multiple positions within the limiting slot 220, so that the door body can be opened at multiple opening angles and the cabinet body 400 remains phase fixed. That is, one or more of the above-mentioned preset positions can be set in the limiting groove 220, and the preset positions can be selected according to needs.

In one embodiment, as shown in FIGS. 16 to 19 , the elastic limiting member 300 includes a first limiting body 340 and a second limiting body 350 that are oppositely arranged, and the first limiting body 340 and the second limiting body 350 limits the open end 310 , the open end 310 faces the opening in the extending direction of the limit groove 220 and is located at a preset position, the opening width of the open end 310 is smaller than the width of the limit shaft 120 , and the limit shaft 120 overcomes the elastic resistance of the open end 310 to pass the preset position. The limiting shaft 120 passes through the preset position by spreading the width of the open end 310 . After the limiting shaft 120 passes through, the first limiting body 340 and the second limiting body 350 return.

The first limiting body 340 and the second limiting body 350 are disposed opposite to each other. When the limiting shaft 120 passes through the preset position, both sides of the limiting shaft 120 are stressed, and the limiting shaft 120 is more uniformly stressed; The positioning member 300 is also stressed on two sides symmetrically, and the elastic limiting member 300 is also more uniformly stressed, which helps to ensure the service life of the elastic limiting member 300 and the limiting shaft 120 .

Referring to FIGS. 18 and 19 , after the door body and the cabinet body 400 are closed, the open end 310 limits the limit shaft 120 to play the role of self-locking the door body and the cabinet body 400; of course, the open end 310 also Other positions in the limiting groove 220 can be used to limit the door body at different positions, which can be selected according to needs.

In one embodiment, as shown in FIG. 17 , the first limiting body 340 is connected with the second limiting body 350 to limit the closed end 320 , and the limiting shaft 120 is adapted to be confined between the closed end 320 and the open end 310 , the closed end 320 is set at the end of the limiting groove 220 . The closed end 320 limits the limit shaft 120 at the end of the limit groove 220 . Even if the limiting groove 220 is provided with an opening, the closed end 320 can limit the limiting shaft 120 therein. When the elastic limiting member 300 is located at the second end of the limiting groove 220 , the closed end 320 can limit the maximum opening angle of the first hinge body 100 and the second hinge body 200 .

It should be noted that the space between the closed end 320 and the open end 310 should be able to accommodate the limiting shaft 120 . The shape of the closed end 320 is adapted to the shape of the limiting shaft 120 to ensure that the limiting shaft 120 can be stably confined within the elastic limiting member 300 .

In one embodiment, the first limiting body and the second limiting body define two open ends (not shown in the figure), and the limiting shaft is adapted to be confined between the two open ends. At this time, the elastic limiter can be located at any position in the limit slot, and the two open ends can limit the limit shaft from two directions. During the process of closing the door to the cabinet and opening the door relative to the cabinet , the elastic limiter can limit the limit shaft.

When the position of the open end corresponds to the position at which the door is opened by a preset angle relative to the cabinet, the limit shaft enters the elastic limiter through the open end, and the elastic limiter limits the limit shaft in it, so that the door Stay in the open position at the preset angle.

The range of the preset angle is between the maximum angle and 0°, and in general, the maximum angle is set to 120°.

One or more elastic limiting members 300 in the above embodiments may be provided in the limiting groove 220 , and elastic limiting members 300 with different structures may be provided in the limiting groove 220 . For example, two ends of the limiting groove 220 are respectively provided with elastic limiting members 300 with closed ends 320; elastic limiting members with two open ends are respectively provided in the limiting groove at positions corresponding to 60° and 90° opening of the door.

In one embodiment, the elastic limiting member 300 is integrally formed by a sheet material. If the elastic stopper 300 is made of plastic, rubber, etc., it can be formed by integral injection molding. If the elastic stopper 300 is made of metal, it can be formed by bending, which is easy to process and the processing method can be adjusted according to the material. Referring to Fig. 17 , the elastic limiting member 300 is provided with an open end 310 and a closed end 320, and is integrally formed with a simple structure and convenient assembly.

When the first limiting body and the second limiting body of the elastic limiting member define two open ends, the first limiting body and the second limiting body can be independent parts, which are processed independently. Of course, at this time, the first limiting body and the second limiting body can also be fixedly connected, for example, by arranging a connecting plate or a connecting bar on the bottom wall of the limiting groove.

In one embodiment, as shown in FIG. 16 , the elastic limiting member 300 is detachably connected to the limiting groove 220 , which facilitates the replacement of the elastic limiting member 300 and is easy to install.

In one embodiment, as shown in FIGS. 16 and 17 , the side wall of the limiting slot 220 is provided with an insertion slot 230 , the elastic limiting member 300 is provided with a folded portion 330 , and the folded portion 330 is inserted into the plug Slot 230. The elastic limiting member 300 can be fixed to the first hinge body 100 or the second hinge body 200 by plugging, and the fixing method is simple and convenient for disassembly and assembly.

Referring to FIG. 16 , FIG. 18 and FIG. 19 , the insertion slot 230 communicates with the limiting slot 220 to facilitate processing. It should be noted that, the insertion slot 230 and the limit slot 220 need to be provided on the first hinge body 100 or the second hinge body 200 at the same time, but the insertion slot 230 is not limited to communicate with the limit slot 220, and the insertion slot 230 also It can be independent from the limiting slot 220. For example, the folded portion 330 of the elastic limiting member 300 is folded from top to bottom. At this time, the insertion slot 230 is arranged on the outer circumference of the limiting slot 220, which is convenient for the folded portion 330 to move toward the limit slot 220. Bottom plug to fix.

Of course, the fixing method of the elastic limiting member 300 and the limiting groove 220 is not limited to being fixed by the insertion slot 230 , but can also be fixed by clamping or magnetic attraction. If the elastic limiting member 300 is fixed by magnetic attraction, the limiting shaft The 120 is made of a ferromagnetic material, and the magnetic field attraction can further limit the position of the limit shaft 120 to ensure that the limit shaft 120 is accurately positioned at the preset position.

It should be noted that the elastic limiter and the limit slot can also be integrally and fixedly connected. At this time, the elastic limiter can be made of elastic sheets, elastic blocks and other structures, and the elastic sheets and elastic blocks can be attached to the position of the limit slot. The inner wall plays the role of reducing the width of the limit groove, and the structure is simple. The material of the elastic sheet and the elastic block can be rubber, flexible plastic and other materials.

The elastic limiting member 300 in the above embodiment can be used in combination with the first limiting portion 214 and the second limiting portion 226 in the above embodiment to limit the door body to different angular positions. When the elastic limiting member 300 cooperates with the positioning surface, it is helpful for the limiting shaft to be stably limited.

Referring to FIGS. 12 to 19 , the elastic limiting member 300 can be arranged at the end of the limiting groove 220 , and the second limiting portion 226 is arranged at the position where the door body is opened by 90°, which can ensure the multi-angle hovering of the door body. , and the structure of the hinge assembly can also be simplified.

In one embodiment, as shown in FIGS. 4 , 7 and 10 , the hinge shaft 110 is provided with a first through hole 112 penetrating along the axial direction of the hinge shaft 110 , and the hinge groove 210 is provided with a first through hole 112 along the hinge groove 210 . The axially penetrating second through hole 215 , the first through hole 112 communicates with the second through hole 215 , and the first through hole 112 is adapted to move in the second through hole 215 . The first through hole 112 and the second through hole 215 can be used for wiring. The circuit passes through the first through hole 112 and the second through hole 215 and is adapted to move in the hinge slot 210 along with the first through hole 112 . The first through hole 112 is located in the second through hole 215 , that is, the cross-sectional area of the second through hole 215 covers the moving range of the first through hole 112 , ensuring that the first through hole 112 is always located in the second through hole 215 In order to prevent the lines in the first through hole 112 from hitting the edge of the second through hole 215 and being worn.

When the hinge assembly of this embodiment is used to connect the door body and the cabinet body 400, a display control box and a display control board need to be installed on the door body or the cabinet body 400. The display control box and the display control board are connected by a line, and the line can pass through the first The through hole 112 and the second through hole 215 are routed.

In one embodiment, as shown in FIG. 1 and FIG. 2 , a first friction reducing member is provided between the hinge shaft 110 and the hinge groove 210 to reduce friction between the hinge shaft 110 and the hinge groove 210 , The movement of the hinge shaft 110 in the hinge groove 210 is made more flexible.

In one embodiment, the first anti-friction member is configured as a first lubricating sleeve 111 sleeved on the outside of the hinge shaft 110 , and the first lubricating sleeve 111 is sleeved on the outside of the hinge shaft 110 to completely surround the hinge shaft 110 to ensure that The lubricating effect between the hinge groove 210 and the hinge shaft 110 reduces friction. The first lubricating bushing 111 can be made of self-lubricating material, which can simplify the structure of the first lubricating bushing 111 .

Or, the first anti-friction member is configured as a first ball connected to the hinge shaft 110, and the first ball can be arranged at the end of the hinge shaft 110, so that the first ball is in contact with the bottom wall of the hinge groove 210; the first ball can also be It is arranged on the side of the hinge shaft 110 , so that the first ball is in contact with the side wall of the hinge groove 210 . The arrangement of the first ball can reduce the friction between the hinge shaft 110 and the hinge groove 210 . The first ball is connected to the hinge shaft 110 in a rolling manner, and the installation method of the first ball is similar to the ball at the end of the ballpoint pen or the ball in the bearing.

In one embodiment, a second anti-friction member is provided between the limit shaft 120 and the limit groove 220 , the second anti-friction member plays the role of lubricating the limit shaft 120 and the limit groove 220 , and the second anti-friction member The structure and working principle of the first anti-friction member are similar to those of the first anti-friction member. Reference may be made to the above-mentioned embodiments of the first anti-friction member, which will not be repeated here.

In one embodiment, the second anti-friction member is configured as a second lubricating sleeve 121 sleeved on the outer side of the limiting shaft 120 , or the second anti-friction member is configured as a second ball connected to the limiting shaft 120 . The lubricating principle of the second lubricating sleeve 121 is the same as that of the first lubricating sleeve 111 , which will not be repeated here. Please refer to the above-mentioned embodiment of the first lubricating sleeve 111 ; the lubricating principle of the second ball and the first ball is the same. The details are not repeated here, and reference may be made to the above-mentioned embodiment of the first ball.

It should be noted that, referring to FIG. 1 and FIG. 2 , the first anti-friction member and the second anti-friction member may be provided at the same time.

Referring to FIGS. 1 and 2 , when the hinge shaft 110 is provided on the cabinet body 400 of the refrigeration equipment, and the hinge groove 210 is provided on the door body of the refrigeration equipment, the first hinge body 100 , the hinge shaft 110 and the limit shaft 120 are generally made of metal The material of the second hinge body 200 is generally made of plastic, so that the side walls of the hinge groove 210 and the limit groove 220 are made of plastic, and the hinge shaft 110 and the limit shaft 120 made of metal are directly connected to the hinge groove 210 of plastic material. , The side wall of the limit groove 220 is in contact, the friction force is relatively large, and it is easy to wear and tear. After the first lubricating bushing 111 and the second lubricating bushing 121 are provided, the wear can be effectively reduced, and the hinge shaft 110 and the limit shaft are connected. The movement process of the 120 is more flexible.

It should be noted that when the second through hole 215 is provided in the hinge groove 210, the first anti-friction member cannot be set as the first ball contacting the bottom wall of the hinge groove 210, and the first anti-friction member can be the first lubrication shaft The sleeve 111 or the first ball in contact with the side wall of the hinge groove 210 . When the second through hole 215 is provided in the hinge groove 210 , the bottom wall of the hinge groove 210 is not provided with a second guide surface.

In the above embodiment, the bottom wall of the limiting slot can be integrally formed with the second hinge body, and the bottom wall of the limiting slot can also be detachably connected to the limiting slot, such as a wedge-shaped block arranged in the The shape of the bottom wall of the limit groove can be adjusted as required.

1 to 19 , the locker according to the second aspect of the present application includes a cabinet body 400 , a door body, and the hinge assembly of the above embodiment. The hinge assembly connects the lower end of the door body to the cabinet body 400 . The locker of this embodiment includes the hinge assembly in the above-mentioned embodiment, and has all the above-mentioned beneficial effects, which will not be repeated here.

The lower end of the door body is connected to the cabinet body 400 through the hinge assembly. During the closing process of the door body, the gravity of the door body will assist the door body to close to the cabinet body 400 , so that the door body closing process is more labor-saving, and the gap between the door body and the cabinet body 400 is reduced. better sealing effect.

Among them, the lockers can be refrigeration equipment such as refrigerators, freezers, fresh-keeping cabinets, cold chain compartments, etc. The lockers can also be display cabinets, cabinets, etc., and the lockers can also be household appliances such as microwave ovens and dishwashers. Of course, The storage cabinet may also be other structures having the cabinet body 400 and the door body connected by hinge assemblies, which will not be listed one by one here.

In one embodiment, the upper end of the door body is connected to the cabinet body 400 through a hinge assembly, and the limiting shafts 120 at the upper and lower ends respectively abut against the bottom wall of the limiting slot 220 . That is, the upper and lower ends of the door body are connected to the cabinet body 400 through the hinge assembly in the above embodiment, the limit shaft 120 at the lower end of the door body and the limit slot 220 support and assist each other, and the limit shaft 120 at the upper end of the door The limiting grooves 220 limit each other to ensure stable opening and closing of the door body, prevent the door body from moving up and down, and help improve the stability of the door body opening and closing process.

Of course, the upper end of the door body can also be connected to the cabinet body 400 through hinges of other structures. For example, the overall structure of the limiting slot 220 is the same as that in the above-mentioned embodiment, the difference is that the bottom wall of the limiting slot 220 is not in contact with the limiting shaft. , the bottom wall of the limit slot 220 provides space for the lifting movement of the door body, ensuring that the door body can be lifted and lowered, the structure of the hinge is simpler, and it is convenient to distinguish the hinge assembly at the upper end of the door body and the hinge assembly at the lower end, and the installation operation is simple and accurate. .

When the locker in this embodiment is a refrigerator, the cabinet body 400 can be connected with one door, which is a single-door refrigerator; the cabinet body 400 can be connected with two half-open doors, which is a side-by-side refrigerator; A plurality of upper and lower juxtaposed door bodies can be provided, which is a multi-door refrigerator; the cabinet body 400 can be connected with four cross-distributed door bodies, which is a cross-side door refrigerator.

In one embodiment, the first hinge body 100 and the cabinet body 400 are integrally formed or detachably connected to the cabinet body 400 ; and/or the second hinge body 200 is integrally formed with the door body or detachably connected to the door body. The connection method of the first hinge body 100 and the second hinge body 200 is simple and can be selected according to needs, and has a wide range of applications.

3, 6, 9, 12, 14 and 18, the first hinge body 100 is detachably connected to the cabinet body 400 through fasteners such as bolts, screws, etc., which is easy to disassemble and replace; The second hinge body 200 is integrally formed with the end cover 500 on the door body, the structure is simple, and the number of parts and components can be reduced, thereby reducing the assembly workload. Of course, the second hinge body 200 can also be a block-shaped structure fixed on the upper end cover 500 of the door body, which is convenient for disassembly and assembly.

The upper and lower ends of the door body are connected to the first hinge body 100 of the cabinet body 400 through the second hinge body 200 to ensure the stability of the door body. It should be noted that the contour shapes of the first hinge body 100 at the upper and lower ends of the cabinet body 400 may vary according to different positions, but it is necessary to ensure the relative relationship between the limit shaft 120 , the limit groove 220 , the hinge shaft 110 and the hinge groove 210 . Positional relationship.

The above embodiments are only used to illustrate the present application, but not to limit the present application. Although the present application has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that various combinations, modifications or equivalent replacements are made to the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application, and should cover within the scope of the claims of this application.

Claims

A hinge assembly, characterized in that it includes:

The first hinge body is provided with one of a hinge slot and a hinge shaft arranged in the hinge slot, and also has one of a limit slot and a limit shaft arranged in the limit slot;

The second hinge body is provided with the other one of the hinge shaft and the hinge slot, and the other one of the limit shaft and the limit slot; the hinge shaft is suitable for the hinge joint moving in the slot, so that the limit shaft moves along the extension direction of the limit slot;

The bottom wall of the limit groove is provided with a first guide surface, the first guide surface gradually sinks along the extension direction from the open end to the closed end, and the limit shaft abuts the first guide surface to make the The first hinge body or the second hinge body moves up and down along the first guide surface.
The hinge assembly according to claim 1, wherein the bottom wall of the limiting groove is provided with a positioning surface, the positioning surface is connected to the opening end of the first guide surface, and the positioning surface is along the Extending in a horizontal direction, the limiting shaft abuts the positioning surface so that the first hinge body or the second hinge body moves horizontally along the positioning surface.
The hinge assembly according to claim 1, wherein the hinge slot is a long slot, the hinge shaft is adapted to move along the extension direction of the hinge slot, and the hinge slot includes a first position at both ends and the second position, from the first position to the second position, the limit shaft moves along the closed end to the open end; the bottom wall of the hinge groove is provided with a second guide surface, so The second guide surface gradually sinks in the extending direction from the second position to the first position, and the hinge shaft abuts the second guide surface to move up and down along the second guide surface.
The hinge assembly according to claim 1, wherein the hinge groove is a long groove, and the hinge groove includes a first position close to the limit groove and a second position away from the limit groove;

The limiting slot includes a first slot portion and a second slot portion that are communicated with each other, and the second slot portion extends in a direction away from the hinge slot relative to the first slot portion;

The hinge shaft moves from the second position to the first position, and the limit shaft moves from the first groove portion to the second groove portion, so that the first hinge body and the The second hinge bodies are close to each other;

The hinge shaft moves from the first position to the second position, and the limit shaft moves from the second groove portion to the first groove portion, so that the first hinge body and the The second hinge bodies are separated from each other.
The hinge assembly according to claim 1, wherein the hinge groove comprises a first moving part and a first limiting part that communicate with each other, and the limiting groove comprises a second moving part and the second moving part The extension direction of the part forms the second limiting part of the included angle;

The hinge shaft is adapted to move relative to the first moving part, so that the limiting shaft moves along the extending direction of the second moving part;

or,

The hinge shaft is located in the first limiting portion, and the limiting shaft is located in the second limiting portion, so that the first hinge body and the second hinge body are fixed.
The hinge assembly according to claim 5, wherein the first limiting portion protrudes in a direction away from the second moving portion, and the second limiting portion protrudes toward a direction close to the first moving portion. direction protruding.
The hinge assembly according to any one of claims 1 to 6, wherein an elastic limiting member for reducing the width of a preset position in the limiting groove is provided in the limiting groove, and the limiting groove is provided with an elastic limiting member. The shaft is adapted to pass the preset position against the resistance of the elastic stopper.
The hinge assembly according to claim 7, wherein the elastic limiting member comprises a first limiting body and a second limiting body disposed opposite to each other, the first limiting body and the second limiting body The body limits an open end and a closed end, the open end faces the opening in the extending direction of the limiting groove and is located at the preset position, the opening width of the open end is smaller than the width of the limiting shaft, the limiting The shaft overcomes the elastic resistance of the open end to pass through the preset position, and the limiting shaft is limited between the open end and the closed end.
A storage cabinet, characterized in that it comprises a cabinet body, a door body and the hinge assembly according to any one of claims 1 to 8, wherein the lower end of the door body is connected to the cabinet body through the hinge assembly .
The storage cabinet according to claim 9, wherein the upper end of the door body is connected to the cabinet body through the hinge assembly, and the limit shafts at the upper and lower ends respectively abut the limit grooves bottom wall.