CN215738075U

CN215738075U - Display cabinet

Info

Publication number: CN215738075U
Application number: CN202121308588.9U
Authority: CN
Inventors: 陈培; 刘辉; 黄雪峰
Original assignee: Hisense Ronshen Guangdong Freezer Co Ltd; Qingdao Hisense Commercial Cold Chain Co Ltd
Current assignee: Qingdao Hisense Commercial Cold Chain Co Ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-02-08
Anticipated expiration: 2031-06-10

Abstract

The utility model relates to the technical field of household appliances and discloses a display cabinet, which comprises a cabinet body, a door body, a rotating shaft, a shaft sleeve and an elastic piece, wherein the door body is rotatably connected to the cabinet body and is provided with a mounting hole; the first end of the rotating shaft is connected with the box body, the second end of the rotating shaft extends into the mounting hole, and the second end of the rotating shaft is provided with a first guide surface which is obliquely arranged; the shaft sleeve is arranged in the mounting hole, a first sliding surface matched with the first guide surface is arranged on the shaft sleeve, and the shaft sleeve can rotate around the axis of the rotating shaft; the elastic piece is arranged in the mounting hole, the first end of the elastic piece is abutted against the bottom wall of the mounting hole, and the other end of the elastic piece is abutted against the second end of the shaft sleeve. According to the display cabinet adopting the technical scheme, the door body can be automatically closed within a certain angle, energy consumption caused by forgetting to close the door is avoided, the door body can be suspended when the display cabinet is opened at a certain angle, a user can conveniently and continuously take articles, and energy consumption caused by frequent opening and closing of the door body is avoided.

Description

Display cabinet

Technical Field

The utility model relates to the technical field of household appliances, in particular to a display cabinet.

Background

At present, with the increasing living standard and the development of technology, people put higher demands on the functions of various aspects of products such as refrigerators, wine cabinets, cold and hot cabinets, vending machines and the like. When a general user purchases an article, the article may not be closed, which may increase the power consumption of the product, and the door may be too large in opening angle, which may cause the door to collide with the box body. For the convenience of a user to take articles in the cabinet, the door body can be automatically closed, and the door body cannot hit the box body, the display cabinet with the self-closing hinge and the hovering function is urgently needed, the user can take the articles conveniently, the door body is prevented from being frequently opened or closed, the actions of the user are reduced, the energy consumption of products is reduced, and the door body can be prevented from being damaged by collision.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is: the utility model provides a show cupboard, this show cupboard is the door body can automatic closure when opening certain angle, avoids the user to forget to close the door and leads to the fact the problem of energy consumption increase, and when opening certain angle, the door body can hover, and convenient to use person takes article in succession, avoids the frequent switching of the door body to cause the energy loss.

In order to achieve the purpose, the utility model provides a display cabinet, which comprises a cabinet body, a door body, a rotating shaft, a shaft sleeve and an elastic piece,

the box body is provided with a storage chamber, and the storage chamber is provided with an opening;

the door body is rotatably connected to the box body, the door body can cover or open the opening, and the door body is provided with a mounting hole arranged along the vertical direction;

the first end of the rotating shaft is connected with the box body, the second end of the rotating shaft extends into the mounting hole, one side of the second end of the rotating shaft is provided with a positioning platform, and the rear end of the positioning platform is provided with a first guide surface which is connected with the positioning platform and is obliquely arranged;

the shaft sleeve is arranged in the mounting hole, a locking platform matched with the positioning platform is arranged on the shaft sleeve, a first sliding surface which is connected with the locking platform and is obliquely arranged is arranged at the rear end of the locking platform, the first sliding surface is matched with the first guide surface, and the shaft sleeve can rotate around the axis of the rotating shaft;

the elastic piece is arranged in the mounting hole, a first end of the elastic piece abuts against the bottom wall of the mounting hole, and the other end of the elastic piece abuts against a second end of the shaft sleeve;

the door body is provided with a reset position and a hovering position, when the first guide surface is attached to the first sliding surface, the door body is located at the reset position, and when the first guide surface is detached from the first sliding surface, the door body is located at the hovering position.

In some embodiments, the display cabinet further includes a mounting member and a limiting member, the mounting member is disposed in the mounting hole and can rotate around the rotating shaft along with the door body, the mounting member has a mounting groove, the mounting groove is an open groove with a downward opening, and the elastic member and the shaft sleeve are sequentially disposed in the mounting groove from bottom to top; the limiting block is detachably mounted at the notch of the open slot, and the limiting block abuts against the elastic piece and is used for fixing the elastic piece and the shaft sleeve in the mounting slot.

In some embodiments, the display cabinet further comprises a positioning pin, and the positioning pin sequentially penetrates through the mounting member and the limiting block to realize the mounting and fixing of the limiting block.

In some embodiments, the display case further comprises an adjustment washer disposed between the spindle and the mount.

In some embodiments, the elastic element is a spring, a first guide portion extending towards one side of the shaft sleeve is arranged on the limiting block, the outer diameter of the first guide portion is smaller than that of the limiting block, a first limiting surface is formed between the first guide portion and the limiting block, the shaft sleeve comprises a sliding portion, a second guide portion extending towards one side of the limiting block is arranged at the bottom of the sliding portion, the outer diameter of the second guide portion is smaller than that of the sliding portion, a second limiting surface is formed between the second guide portion and the sliding portion, and two ends of the spring are respectively sleeved on the outer sides of the first guide portion and the second guide portion and respectively abut against the first limiting surface and the second limiting surface.

In some embodiments, the second end of the rotating shaft is provided with a sleeve portion, the shaft sleeve is provided with an insertion hole penetrating through the shaft sleeve, and the sleeve portion is inserted into the insertion hole.

In some embodiments, the display case further comprises a first hinge base, a first end of the first hinge base is connected to the case body, a second end of the first hinge base extends out of the front side of the case body,

the rotating shaft comprises a connecting part and a limiting part, the connecting part is connected with the second end of the first hinge seat, and the cross section of the connecting part is polygonal; the limiting portion is connected below the connecting portion, the outer diameter of the limiting portion is larger than that of the connecting portion, and a positioning surface used for positioning the first hinge seat is formed between the limiting portion and the connecting portion.

In some embodiments, the display case further comprises a second hinge base connected to the case body, and a stopper, a front side of the second hinge base having a limiting groove; the stop piece is connected on the outer side surface of the door body and can rotate along with the door body, and the stop piece is used for being matched with the limiting groove to realize the rotation limiting of the door body.

In some embodiments, the mounting part includes an insertion part with a polygonal shape, the mounting groove is arranged on the insertion part along an axial direction of the insertion part, a positioning plate extends outwards from the top of the insertion part, and a positioning groove matched with the positioning plate is arranged on the top of the door body.

In some embodiments, the left side and the right side of the positioning platform are symmetrically provided with a first guide surface and a second guide surface, and the left side and the right side of the locking platform are respectively provided with a first sliding surface and a second sliding surface which are matched with the first guide surface and the second guide surface to slide.

Compared with the prior art, the display cabinet provided by the embodiment of the utility model has the beneficial effects that:

in the display cabinet of the embodiment of the utility model, the locking platform of the shaft sleeve is arranged opposite to the positioning platform of the rotating shaft in the initial state, when a user rotates the door body, the rotating shaft is fixedly connected with the box body, so the rotating shaft cannot rotate, but the shaft sleeve can rotate along with the door body, and as the rotating shaft and the shaft sleeve are provided with the matched sliding plane and the guide plane, the shaft sleeve can gradually move towards the direction away from the rotating shaft along with the rotation of the shaft sleeve, so that the elastic part is compressed, the rotating angle of the shaft sleeve does not reach the preset value, namely when the sliding plane is matched with the guide plane, only the user stops rotating, the door body can be automatically closed due to the reaction force of the elastic part, the problem that the user forgets to close the door is avoided, when the shaft sleeve rotates to the separation of the sliding plane and the guide plane, namely the locking platform rotates to the tail end of the guide plane, at this time, the highest position of the locking platform and the guide plane is locked, the door body can not automatically rotate, and the user can continuously take and place articles at the moment.

Drawings

FIG. 1 is a schematic structural diagram of a display case according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an exploded view of a hinge assembly according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a hinge assembly in accordance with an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a rotating shaft according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a bushing in accordance with an embodiment of the present invention;

in the figure, 1, a box body, 2, a door body, 3, a first hinge seat, 4, a second hinge seat, 4a, a limiting groove, 5, a stop piece, 6, a hinge assembly, 61, a mounting piece, 61a, a positioning plate, 61b, an insertion part, 62, an adjusting gasket, 63, a rotating shaft, 63a, a connecting part, 63b, a limiting part, 63c, a positioning platform, 63d, a first guide surface, 63e, a second guide surface, 63f, a sleeving part, 64, a shaft sleeve, 64a, a second guide part, 64b, a sliding part, 64c, a convex rib, 64d, a first sliding surface, 64e, a second sliding surface, 64f, a locking platform, 65, an elastic piece, 66, a limiting block, 66a, a first guide part, 67 and a positioning pin.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The utility model will be further explained and explained with reference to the drawings and the embodiments in the description. The step numbers in the embodiments of the present invention are set for convenience of illustration only, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adaptively adjusted according to the understanding of those skilled in the art.

As shown in fig. 1 to 7, a display case according to a preferred embodiment of the present invention includes a case 1, a door 2, a rotating shaft 63, a sleeve 64 and an elastic member 65,

the box body 1 has a storage room (not shown) having an opening (not shown) for a user to store articles;

the door body 2 is rotatably connected to the box body 1, the door body 2 can cover or open the opening, so that when the door body 2 covers the opening, the display cabinet can be sealed, when the door body 2 opens the opening, a user can take articles from the box body 1, the door body 2 is provided with a mounting hole arranged along the vertical direction, and the door body 2 is provided with a mounting hole arranged along the vertical direction;

a first end of the rotating shaft 63 is connected with the box body 1, a second end of the rotating shaft 63 extends into the mounting hole, one side of the second end of the rotating shaft 63 is provided with a positioning platform 63c, and the rear end of the positioning platform 63c is provided with a first guide surface 63d which is connected with the positioning platform 63c and is obliquely arranged;

the shaft sleeve 64 is arranged in the mounting hole, the shaft sleeve 64 is provided with a locking platform 64f matched with the positioning platform 63c, preferably, as shown in fig. 5, a gap is reserved between the locking platform 64f and the positioning platform 63c, the phenomenon that the shaft sleeve 64 and the rotating shaft 63 are clamped is avoided, the rear end of the locking platform 64f is provided with a first sliding surface 64d which is connected with the locking platform 64f and is obliquely arranged, the first sliding surface 64d is matched with the first guide surface 63d, the shaft sleeve 64 has a degree of freedom of rotation around the axis of the rotating shaft 63, and the shaft sleeve 64 can rotate around the axis of the rotating shaft 63;

the elastic piece 65 is arranged in the mounting hole, a first end of the elastic piece 65 abuts against the bottom wall of the mounting hole, and the other end of the elastic piece 65 abuts against a second end of the shaft sleeve 64;

the door 2 has a reset position and a hovering position, and when the first guide surface 63d and the first sliding surface 64d are attached, the door 2 is at the reset position, and when the first guide surface 63d and the first sliding surface 64d are detached, the door 2 is at the hovering position.

Based on the above technical solution, the locking platform 64f of the shaft sleeve 64 is disposed opposite to the positioning platform 63c of the shaft sleeve 63 in the initial state, when the user rotates the door body 2, since the shaft sleeve 63 is fixedly connected to the cabinet 1, the shaft sleeve 63 does not rotate, but the shaft sleeve 64 rotates along with the door body 2, since the shaft sleeve 63 and the shaft sleeve 64 are provided with the sliding plane and the guiding plane which are matched, the shaft sleeve 64 gradually moves towards the direction away from the shaft 63 along with the rotation of the shaft sleeve 64, so that the elastic member 65 is compressed, when the rotation angle of the shaft sleeve 64 does not reach the preset value, that is, when the sliding plane and the guiding plane are matched, the user only stops rotating, due to the reaction force of the elastic member 65, the door body 2 automatically closes, thereby avoiding the problem that the user forgets to close the door, when the shaft sleeve 64 rotates to the sliding plane and the guiding plane to separate, that is, the locking platform 64f rotates to the end of the guiding plane, at this time, since the locking platform 64f is locked with the highest position of the guide plane, the door body 2 cannot automatically rotate, and the user can continuously take and place the articles.

In some embodiments, the display cabinet further includes a mounting member 61 and a limiting member, the mounting member 61 is disposed in the mounting hole, and the mounting member 61 can rotate around the rotating shaft 63 along with the door body 2, the mounting member 61 has a mounting groove, the mounting groove is an open groove with a downward opening, the elastic member 65 and the shaft sleeve 64 are sequentially disposed in the mounting groove from bottom to top, and by disposing the mounting member 61, the mounting and dismounting of the elastic member 65, the shaft sleeve 64 and the rotating shaft 63 are facilitated, and the operation is facilitated, so that the display cabinet is maintained; the limiting block 66 is detachably mounted at the notch of the open slot, the limiting block 66 abuts against the elastic piece 65, the elastic piece 65 and the shaft sleeve 64 are fixed in the mounting groove, the limiting effect on parts in the mounting groove can be achieved by arranging the limiting block 66, and the parts in the mounting groove can be conveniently mounted and dismounted.

In some embodiments, the display cabinet further comprises a positioning pin 67, the positioning pin 67 sequentially penetrates through the mounting part 61 and the limiting block 66 to realize mounting and fixing of the limiting block 66, and the positioning pin 67 is arranged to facilitate mounting and dismounting of the limiting block 66, so that the operation is simple and convenient.

In some embodiments, the display cabinet further includes an adjusting washer 62, and the adjusting washer 62 is disposed between the rotating shaft 63 and the mounting member 61, so as to prevent the rotating shaft 63 from directly contacting the mounting member 61, and prevent direct friction between metal members occurring between the rotating shaft 63 and the mounting member 61 when the door body 2 rotates, thereby further preventing the damage of the rotating shaft and the mounting member and prolonging the service life of the rotating shaft.

In some embodiments, the elastic member 65 is a spring, the stopper 66 is provided with a first guiding portion 66a extending toward one side of the shaft sleeve 64, an outer diameter of the first guiding portion 66a is smaller than an outer diameter of the stopper 66, a first stopper surface is formed between the first guiding portion 66a and the stopper 66, the shaft sleeve 64 includes a sliding portion 64b, a second guiding portion 64a extending toward one side of the stopper 66 is provided at a bottom of the sliding portion 64b, an outer diameter of the second guiding portion 64a is smaller than an outer diameter of the sliding portion 64b, a second stopper surface is formed between the second guiding portion 64a and the sliding portion 64b, two ends of the spring are respectively sleeved outside the first guiding portion 66a and the second guiding portion 64a and respectively abut against the first stopper surface and the second stopper surface, by providing the first guiding portion 66a and the second guiding portion 64a, thereby playing a guiding role for the compression and the reset of the spring and being convenient for the installation and the positioning of the spring. Furthermore, the hinge assembly 6 is composed of the limiting block 66, the positioning pin 67, the spring, the rotating shaft 63, the shaft sleeve 64 and the adjusting washer 62, and can be integrally replaced and installed, and a standard part can be formed, so that the door body 2 can be conveniently manufactured and installed.

In some embodiments, as shown in fig. 7, a rib 64c is provided on an outer side of the sliding portion 64b to increase a frictional force between the bushing 64 and the mounting member 61, so that the bushing 64 can rotate together with the mounting member 61 when the door body 2 rotates.

In some embodiments, the second end of the rotating shaft 63 is provided with a sleeve portion 63f, the shaft sleeve 64 is provided with a plug hole (not shown) penetrating through the shaft sleeve 64, the sleeve portion 63f is inserted into the plug hole, and the sliding portion 64b of the shaft sleeve 64 is sleeved on the outer side of the sleeve portion 63f, so that the sleeve portion 63f plays a role in guiding and positioning the shaft sleeve 64.

As shown in fig. 1, 2 and 4, in some embodiments, the display case further includes a first hinge base 3, a first end of the first hinge base 3 is connected to the case 1, a second end of the first hinge base 3 extends out of the front side of the case 1, the rotating shaft 63 includes a connecting portion 63a and a limiting portion 63b, the connecting portion 63a is connected to the second end of the first hinge base 3, and a cross section of the connecting portion 63a is polygonal; the stopper 63b is connected below the connecting portion 63a, the outer diameter of the stopper 63b is larger than that of the connecting portion 63a, and a positioning surface for positioning the first hinge base 3 is formed between the stopper 63b and the connecting portion 63 a.

In some embodiments, the connection portion 63a is a square shaft, the corresponding shaft hole of the first hinge base 3 is a square hole, and when the door body 2 and the second hinge base 4 are assembled, the square hole of the first hinge base 3 is engaged with the square shaft of the hinge assembly 6 of the door body 2, and then the first hinge base 3 is rotated to rotate the rotation shaft 63 of the hinge assembly 6 in the clockwise direction, and then the first hinge base 3 is fixed to the top of the cabinet 1 by a screw, at which time the hinge assembly 6 is pre-tensioned, instead of being parallel to the side wall of the cabinet 1, the shaft hole of the first hinge base 33 is rotated by about 15 ° in the clockwise direction.

Alternatively, in some embodiments, the connecting portion 63a may have a semicircular cross section or a shape with a rotation stop function to stop the rotation of the rotating shaft 63.

In some embodiments, the display cabinet further comprises a second hinge base 4 and a stop member 5, the second hinge base 4 is connected to the box body 1, and a limiting groove 4a is formed in the front side of the second hinge base 4; the stop piece 5 is connected on the lateral surface of the door body 2 and can rotate along with the door body 2, and the stop piece 5 is used for being matched with the limit groove 4a to realize the rotation limit of the door body 2.

Specifically, in order to make the door body 2 not collide the box 1 when the rotation angle of the door body 2 is too large, the stop member 5 is installed below the door body 2, the stop member 5 rotates along with the door body 2, the stop member 5 rotates to the notch of the second hinge seat 4, the opening angle of the door body 2 reaches the maximum, and the door body 2 hovers at the position and can not open the door body 2. The maximum door opening angle can be changed by changing the size of the gap at the lower hinge seat, and the gap of the lower hinge seat can be designed after the door opening angle is determined according to requirements.

In some embodiments, the mounting member 61 includes an insertion portion 61b having a polygonal shape, the insertion portion 61b has a quadrangular shape, so that the mounting member 61 rotates along with the rotation of the door body 2, the mounting groove is disposed on the insertion portion 61b along the axial direction of the insertion portion 61b, a positioning plate 61a is disposed at the top of the insertion portion 61b and extends outwards, a positioning groove adapted to the positioning plate 61a is disposed at the top of the door body 2, and the positioning plate 61a and the positioning groove are adapted to each other, so that the mounting member 61 is mounted and positioned conveniently.

Alternatively, in some embodiments, the cross-section of the profile of the insertion portion 61b is a semicircle, or a shape with a rotation stop function can achieve rotation stop of the mounting portion 61.

In some embodiments, the left and right sides of the positioning platform 63c are symmetrically provided with a first guide surface 63d and a second guide surface 63e, and the left and right sides of the locking platform 64f are respectively provided with a first sliding surface 64d and a second sliding surface 64e which are matched with the first guide surface 63d and the second guide surface 63e for sliding. As shown in fig. 6, in some embodiments, the left and right sides of the positioning platform 63c are symmetrically provided with a first guiding surface 63d and a second guiding surface 63e, and the left and right sides of the locking platform 64f are respectively provided with a first sliding surface 64d and a second sliding surface 64e, which are designed to be symmetrical, so as to satisfy the door opening requirements of different door opening directions, such as: a right-hand door and a left-hand door.

The working process of the utility model is as follows: an adjusting washer 62, a rotating shaft 63, a shaft sleeve 64, a compression spring and a limiting block 66 are arranged in an installation groove of the installation part 61, then the parts are pressed into the installation groove by a tool, and then a positioning pin 67 is inserted into corresponding holes arranged on the limiting block 66 and the installation part 61, so that all the parts are arranged in the installation groove, and the hinge assembly 6 is formed by connecting the parts into a whole;

assembling a second hinge seat 4 on the box body 1, assembling a stop piece 5 below the door body 2, assembling a hinge assembly 6 above the door body 2, assembling the door body 2 and the second hinge seat 4, assembling a first hinge seat 3 and a rotating shaft 63 of the hinge assembly 6, rotating the first hinge seat 3 by a small angle, assembling the first hinge seat 3 on the box body 1, screwing a screw, and fixing the door body 2 on the box body 1;

at this moment, as long as the angle of opening the door is less than 90 degrees homoenergetic and can realize the door self-closing, the door body 2 is rotatory to make axle sleeve 64 along the smooth cambered surface motion of pivot 63, and the cambered surface of axle sleeve 64 rises along the cambered surface of pivot 63, extrudes compression spring, and in certain rotation angle range, compression spring deformation can produce reverse effort and make the door body 2 realize the self-closing.

When the shaft sleeve 64 rotates to the tail end of the guide plane of the rotating shaft 63 along the arc surface, the opening angle of the door body 2 is opened to be larger than a 90-degree angle, the door body 2 cannot be closed automatically, the hovering function of the door body 2 is realized at the moment, namely, the door body 2 can be closed automatically at any angle when the opening angle of the door body 2 is smaller than 90 degrees, the door body 2 cannot be closed automatically after being larger than 90 degrees, and hovering at any angle can be realized after the opening angle of the door body 2 is larger than 90 degrees.

In order to let door body 2 rotate and can not collide box 1 when being greater than 90 degrees, installed stop piece 5 below door body 2, rotate together along with door body 2 when stop piece 5, stop piece 5 rotates the breach department of second hinge seat 4, and door body 2 opens the door angle and reaches the biggest, and door body 2 hovers here and can not rotate door body 2 to bigger angle again.

Specifically, if the size of the gap on the second hinge seat 4 is changed, the maximum door opening angle can be changed, the gap of the lower hinge seat can be designed after the door opening angle is determined according to requirements, the hinge assembly 6, the stop piece 5 and the second hinge seat 4 can be matched for use, so that the door body 2 can be automatically closed within 90 degrees, and the door body can be suspended and stopped at 90 degrees and can control the maximum door opening angle.

In summary, the embodiment of the present invention provides a display cabinet, wherein a locking platform 64f of a shaft sleeve 64 is disposed opposite to a positioning platform 63c of a rotating shaft 63 in an initial state of the display cabinet, when a user rotates a door body 2, the rotating shaft 63 is fixedly connected to a cabinet 1, so that the rotating shaft 63 does not rotate, but the shaft sleeve 64 rotates along with the door body 2, and since the rotating shaft 63 and the shaft sleeve 64 are provided with a sliding plane and a guiding plane which are adapted to each other, the shaft sleeve 64 gradually moves in a direction away from the rotating shaft 63 along with the rotation of the shaft sleeve 64, so that an elastic member 65 is compressed, the rotating angle of the shaft sleeve 64 does not reach a preset value, that is, when the sliding plane and the guiding plane are engaged, only the user stops rotating, the door body 2 automatically closes due to a reaction force of the elastic member 65, thereby avoiding a problem that the user forgets to close the door, when the shaft sleeve 64 rotates until the sliding plane and the guiding plane are disengaged, that is, the locking platform 64f rotates to the end of the guide plane, at this time, the door body 2 cannot automatically rotate because the locking platform 64f and the highest position of the guide plane form locking, and at this time, a user can continuously take and place articles.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", "X-axis direction", "Y-axis direction", "Z-axis direction", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Moreover, some of the above terms may be used to indicate other meanings besides orientation or position, for example, the term "on" may also be used to indicate some kind of dependency or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A display case, comprising:

a box body having a storage chamber having an opening;

the door body is rotatably connected to the box body and can cover or open the opening, and the door body is provided with a mounting hole arranged along the vertical direction;

a first end of the rotating shaft is connected with the box body, a second end of the rotating shaft extends into the mounting hole, one side of the second end of the rotating shaft is provided with a positioning platform, and the rear end of the positioning platform is provided with a first guide surface which is connected with the positioning platform and is obliquely arranged;

the shaft sleeve is arranged in the mounting hole, a locking platform matched with the positioning platform is arranged on the shaft sleeve, a first sliding surface which is connected with the locking platform and is obliquely arranged is arranged at the rear end of the locking platform, the first sliding surface is matched with the first guide surface, and the shaft sleeve can rotate around the axis of the rotating shaft; and

2. The display case of claim 1, further comprising:

the mounting piece is arranged in the mounting hole and can rotate around the rotating shaft along with the door body, the mounting piece is provided with a mounting groove, the mounting groove is an open groove with a downward opening, and the elastic piece and the shaft sleeve are sequentially arranged in the mounting groove from bottom to top; and

and the limiting block is detachably mounted at the notch of the open slot, and the limiting block abuts against the elastic part and is used for fixing the elastic part and the shaft sleeve in the mounting slot.

3. The display case of claim 2, further comprising:

the positioning pin sequentially penetrates through the mounting piece and the limiting block to achieve mounting and fixing of the limiting block.

4. The display case of claim 2, further comprising:

an adjustment washer disposed between the shaft and the mount.

5. The display case of claim 2, wherein the resilient member is a spring,

the limiting block is provided with a first guide part extending towards one side of the shaft sleeve, the outer diameter of the first guide part is smaller than that of the limiting block, a first limiting surface is formed between the first guide part and the limiting block,

the shaft sleeve comprises a sliding portion, the bottom of the sliding portion is provided with a second guide portion extending towards one side of the limiting block, the outer diameter of the second guide portion is smaller than that of the sliding portion, a second limiting surface is formed between the second guide portion and the sliding portion, and two ends of the spring are respectively sleeved on the outer sides of the first guide portion and the second guide portion and respectively abut against the first limiting surface and the second limiting surface.

6. The display cabinet of claim 2, wherein the second end of the rotating shaft is provided with a sleeve portion, the shaft sleeve is provided with an insertion hole penetrating through the shaft sleeve, and the sleeve portion is inserted into the insertion hole.

7. The display case of claim 1, further comprising:

a first hinge seat, the first end of which is connected to the box body and the second end of which extends out of the front side of the box body,

the pivot includes:

the connecting part is connected with the second end of the first hinge seat, and the cross section of the connecting part is polygonal; and

the limiting part is connected below the connecting part, the outer diameter of the limiting part is larger than that of the connecting part, and a positioning surface used for positioning the first hinge seat is formed between the limiting part and the connecting part.

8. The display case of claim 1, further comprising:

the second hinge seat is connected to the box body, and a limiting groove is formed in the front side of the second hinge seat; and

the stop piece is connected to the outer side face of the door body and can rotate along with the door body, and the stop piece is used for being matched with the limiting groove to realize rotation limiting of the door body.

9. The display cabinet of claim 2, wherein the mounting member includes a polygonal insertion portion, the mounting groove is disposed on the insertion portion along an axial direction of the insertion portion, a positioning plate extends outwardly from a top of the insertion portion, and a positioning groove is disposed at a top of the door body and is adapted to the positioning plate.

10. The display cabinet of any one of claims 1 to 9, wherein the left and right sides of the positioning platform are symmetrically provided with a first guide surface and a second guide surface, and the left and right sides of the locking platform are respectively provided with a first sliding surface and a second sliding surface which are matched with the first guide surface and the second guide surface for sliding.