CN210716642U

CN210716642U - Limiting structure and display screen

Info

Publication number: CN210716642U
Application number: CN201921624174.XU
Authority: CN
Inventors: 龚杰; 朱启滔; 段四才; 吴达豪; 黄杰
Original assignee: Shenzhen Clt Led Electronic Co ltd
Current assignee: Shenzhen Clt Led Electronic Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-09
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to the field of display screens, in particular to a limiting structure and a display screen, wherein a limiting body extends out of a first base body of the limiting structure, a flange is arranged at one end of the limiting body, a limiting channel and a limiting hole are arranged on a second base body, the limiting hole is communicated with the limiting channel, the width of the limiting channel is smaller than that of the flange, and the limiting body can move along the limiting channel; the display screen comprises a plurality of limiting structures, a box body and a plurality of modules. The flange in the utility model can extend into and withdraw from the position-limiting hole, so that the assembly and disassembly between the first base body and the second base body are convenient, and the second base body is clamped between the first base body and the flange because the width of the flange is greater than the width of the position-limiting channel, thereby achieving the position-limiting effect between the first base body and the second base body; because of first base member and module body coupling, second base member and box body coupling for can convenient dismouting and spacing between box and the module, improved the structural stability and the reliability of display screen.

Description

Limiting structure and display screen

Technical Field

The utility model relates to a display screen technical field especially relates to a limit structure and display screen.

Background

The conventional LED display screen is generally fixed through magnetic attraction, so that the module can be conveniently mounted and dismounted, the module can be mounted and maintained in the front and back directions, and the LED display screen is convenient to use. But the display screen often causes the weakening of magnet magnetic force because magnet magnetic force design is unreasonable or the display screen is in the operational environment of high fever for a long time, because of external factors such as wind-force, leads to the module to drop from the box, and the damage that drops even influences the normal use of display screen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a limit structure and display screen to overcome the defect of display screen structural connection poor stability.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the utility model provides a limit structure, includes first base member and second base member, stretch out spacing body on the first base member, spacing body is kept away from the one end of first base member is outside outstanding to form the flange, be equipped with spacing passageway and confession on the second base member the spacing hole of flange business turn over, spacing hole with spacing passageway intercommunication, the width of spacing passageway is less than the width of flange, spacing body can pass spacing passageway is followed spacing passageway removes.

In a preferred embodiment, the width of the limiting channel is gradually reduced along the direction away from the limiting hole.

In a preferred embodiment, a cushion is provided on the bottom end face of the flange and on the inner wall of the spacing channel.

On the other hand, the utility model also provides a display screen, including a plurality of last limit structure, still include box and a plurality of module, first base member with module body coupling, the second base member with box body coupling, the module can install in on the box.

In a preferred embodiment, the box body is in a shell shape, and the limiting body can penetrate through the limiting channel and extend into the box body.

In a preferred embodiment, the module includes a bottom case and a lamp panel fixedly connected to an end surface of the bottom case.

In a preferred embodiment, the bottom casing is further fixed with a plurality of positioning columns, and the box body is further provided with positioning holes for the positioning columns to be inserted.

In a preferred embodiment, the length of the position limiting body is greater than the thickness of the module and the length of the positioning post.

In a preferred embodiment, the box body comprises a plurality of mounting positions, the module is mounted on each mounting position, and the mounting positions are hollowed out.

In a preferred embodiment, the module is provided with a plurality of magnets, the box is provided with a plurality of magnets, and the magnets can attract each other.

The utility model discloses following beneficial effect has at least:

the flange in the utility model can extend into and withdraw from the position limiting hole, so as to realize the assembly and disassembly between the first base body and the second base body, and the position limiting hole can move along the position limiting channel, so that the second base body is clamped between the first base body and the flange because the width of the flange is greater than that of the position limiting channel, and the position limiting effect between the first base body and the second base body is achieved; because of first base member and module body coupling, second base member and box body coupling for can convenient dismouting and spacing between box and the module, improved the structural stability and the reliability of display screen.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a first embodiment of a spacing structure;

FIG. 2 is a schematic structural view of the spacing body in the embodiment shown in FIG. 1;

FIG. 3 is a schematic structural view of a first embodiment of a spacing channel;

FIG. 4 is a schematic structural view of a second embodiment of a spacing channel;

FIG. 5 is a schematic structural view of a third embodiment of a spacing channel;

FIG. 6 is a schematic structural view of a fourth embodiment of a spacing channel;

FIG. 7 is a schematic structural view of a fifth embodiment of a spacing channel;

FIG. 8 is a schematic diagram of the structure of one embodiment of a display screen;

FIG. 9 is a schematic diagram of one embodiment of a module;

FIG. 10 is a schematic structural view of one embodiment of the case;

FIG. 11 is a schematic view of a first assembled position limiting structure of the display screen;

fig. 12 is a schematic structural view of a second assembly state limiting structure of the display screen.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

First embodiment

Referring to fig. 1 to 3, the limiting structure in this embodiment includes a first substrate 100 and a second substrate 200, a limiting body 110 for limiting extends from the first substrate 100, a flange 120 is disposed at an end of the limiting body 110 away from the first substrate 100, a limiting channel 210 and a limiting hole 220 are disposed on the second substrate 200, and the flange 120 can extend into the limiting hole 220 or retreat from the limiting hole 220. The limiting hole 220 is communicated with the limiting channel 210, the width of the limiting channel 210 is smaller than that of the flange 120, the limiting body 110 extending from the limiting hole 220 can move into the limiting channel 210, and the width of the limiting channel 210 is smaller than that of the flange 120, so that the second base body 200 is limited between the flange 120 and the first base body 100, the second base body 200 is prevented from being separated from the first base body 100, and the limitation on the second base body 200 is realized; the limiting body 110 is slid to the limiting hole 220 along the limiting channel 210, and the flange 120 can be withdrawn from the limiting hole 220, so that the first base 100 is separated from the second base 200, and the detachment between the two is completed.

In this embodiment, the first substrate 100 and the second substrate 200 can be limited under the mutual abutting action between the flange 120 and the limiting channel 210, so that the first substrate 100 is prevented from falling off from the second substrate 200, and the reliability and stability of connection between the first substrate 100 and the second substrate 200 are improved; the connection between the first base body 100 and the second base body 200 can be realized by the protrusion and the withdrawal of the flange 120 at the position of the limiting hole 220, the operation is convenient, and the maintenance, the assembly and the disassembly are convenient.

It is contemplated that other positioning structures may be disposed on the first substrate 100 and the second substrate 200 to assist the limiting body 110 and the limiting channel 210 to improve the stability of the connection between the first substrate 100 and the second substrate 200.

The limiting channel 210 in this embodiment is U-shaped, the limiting hole 220 is disposed at one end of the limiting channel 210, and after the flange 120 is inserted into the limiting hole 220, the limiting body 110 can move along a U-shaped track formed by the limiting channel 210, and when the limiting body 110 moves to an end of the limiting channel 210 far away from the limiting hole 220, other positioning structures (such as a plug-in positioning structure between a positioning pin and a positioning hole) disposed on the first substrate 100 and the second substrate 200 correspond in position and can be connected with each other, thereby assisting in enhancing the firmness of connection between the first substrate 100 and the second substrate 200.

The flange 120 in this embodiment is configured to be cylindrical, the flange 120 protrudes outward away from the center of the stopper body 110, and the width of the flange 120 is the diameter of the flange, and it is conceivable that the cross section of the flange 120 may be rectangular, polygonal, or the like, and the width of the flange 120 is the length of the connection line between the two farthest points on the cross section of the flange 120. The width of the spacing channel 210 is the maximum distance between two opposite sides of the cross-section of the spacing channel 120. The limiting body 110 can be fixedly connected with the first base body 100 through screw fastening, insertion, clamping and the like.

In some embodiments, the end surface of the bottom of the flange 120 and the inner wall of the limiting channel 210 are both provided with buffering pads, and the buffering pads can buffer the impact force generated by the mutual collision between the flange 120 and the second substrate 200 and between the limiting body 110 and the limiting channel 210 due to the influence of external force, so that the connection between the first substrate 100 and the second substrate 200 is more stable.

The first base 100 and the second base 200 in this embodiment are only one kind of reference structure, and the first base and the second base can be regarded as two members, devices or other structures that can be connected to each other through the limiting structure in this embodiment.

Second embodiment

Referring to fig. 4, the limiting channel 210 in the present embodiment is L-shaped, the limiting hole 220 is disposed at one end of the limiting channel 210, and after the flange 120 extends into the limiting hole 220, the limiting body 110 can move along the L-shaped track formed by the limiting channel 210.

Third embodiment

Referring to fig. 5, the limiting channel 210 in the present embodiment is in a long strip shape, the limiting hole 220 is disposed at one end of the limiting channel 210, and after the flange 120 extends into the limiting hole 220, the limiting body 110 can move linearly (vertically) along the limiting channel 210.

Fourth embodiment

Referring to fig. 6, the difference between the present embodiment and the third embodiment is that the position-limiting channel 210 in the present embodiment extends along the horizontal direction, and after the flange 120 extends into the position-limiting hole 220, the position-limiting body 110 can move linearly along the position-limiting channel 210 (along the horizontal direction).

Fifth embodiment

Referring to fig. 7, in the present embodiment, based on the deformation of the limiting channel 210 in the third embodiment, the limiting hole 220 is also disposed at one end of the limiting channel 210, the width of the limiting channel 210 gradually decreases along the direction gradually departing from the limiting hole 220, so as to reduce the sliding speed of the limiting body 110 in the limiting channel 210, so that the limiting body 110 slowly slides from one end of the limiting channel 210 to the limiting hole 220, and prevent the impact on the second base 200 caused by the collision of the limiting body 110 with the inner wall of the limiting hole 220 when the first base 100 and the second base 200 are affected by the external environment. It is contemplated that the smallest width of the spacing channel 210 is still greater than the width of the spacing body 110, ensuring that the spacing body 110 can move along the spacing channel 210.

It should be noted that particular features, structures, functions, or characteristics of the present invention may be combined in any suitable manner in one or more embodiments provided that the particular features, structures, functions, or characteristics are not mutually exclusive. For example, the position limiting channels 210 in the second, third, fourth, and fifth embodiments may be replaced with the position limiting channels 210 in the first embodiment.

Referring to fig. 8 to 10, the present invention further provides a display screen, which includes a plurality of the above-mentioned position-limiting structures, and further includes a box 300 and a plurality of modules 400, wherein the first substrate 100 is connected to the modules 400, and the second substrate 200 and the box 300 are integrally connected to the modules 400 and can be mounted on the box 300.

It should be noted that the first substrate 100 may also be identical to the module 400, or may be connected to the box 300 as a part of the module 400; the second base 200 may be identical to the case 300, or may be connected to the module 400 as a part of the case 300.

Specifically, the module 400 includes a bottom case 410 and a lamp panel 420 fixedly connected to an end surface of the bottom case 410, and the lamp panel 420 is a display component of a display screen and is used for displaying images and pictures; the bottom chassis 410 is a frame-shaped structure, and is used for installing the lamp panel 420 and realizing connection between the module 400 and the box 300. Two are no less than to spacing body 110, and fixed mounting is on drain pan 410, and spacing body 110 is the symmetric distribution based on the center of drain pan 410, improves limit structure to spacing balance and stability of box 300 and module 400, and a plurality of spacing bodies 110 can be spacing to box 300 simultaneously, perhaps breaks away from box 300 simultaneously, realizes equipment and the dismantlement between box 300 and the module 400.

A plurality of positioning posts 411 are fixed on the bottom case 410, positioning holes 310 for inserting the positioning posts 411 are formed in the case 300, and the positioning between the case 300 and the module 400 is realized by inserting the positioning posts 411 and the positioning holes 310. The positioning posts 411 are uniformly distributed along the edge of the bottom case 410, the positioning holes 310 are uniformly distributed along the edge of the box body 300, and the positioning holes 310 correspond to the positioning posts 411, so that the accurate positioning between the box body 300 and the module 400 is ensured.

Specifically, the case 300 may be configured as a shell-shaped structure, an installation cavity is formed inside the case 300, and the limiting body 110 on the module 400 can penetrate through the limiting channel 210 on the case 300 and extend into the case 300, so that the structural connection between the case 300 and the module 400 is relatively compact. Be equipped with a plurality of installation positions 320 on the box 300, all install a module 400 on each installation position 320, the terminal surface laminating of drain pan 410 and the terminal surface of box 300, box 300 is the fretwork form in installation position 320 department, is convenient for maintain the display screen from the connecting line in box 300 or, alleviates the weight of display screen. Evenly be provided with four installation positions 320 on the box 300 in this embodiment, four installation positions 320 are two rows and distribute, all install a module 400 on each installation position 320, it should be noted that, the quantity of module 400, limit structure's quantity and the arrangement of limit structure on the display screen can be rationally selected according to the specific application of display screen.

The limiting channels 210 are distributed around the installation sites 320 and are symmetrical with respect to the center of the installation sites 320, and in this embodiment, one limiting channel 210 is respectively arranged on the upper side and the upper side of each installation site 320. The shape and the arrangement direction of each limiting channel 210 are the same, so that the limiting bodies 110 can simultaneously extend into the limiting holes 220 and simultaneously retreat from the limiting holes 220, and the situation that the positioning between the box body 300 and the module 400 is influenced due to interference formed in the moving process of the limiting bodies 110 in the limiting channels 210 is prevented.

The case 300 is provided with a plurality of magnets 330, the module 400 is provided with a plurality of magnets 430, the magnets 330 and the magnets 430 can attract each other, after the limiting body 110 moves to the corresponding position of the limiting channel 210 to limit the case 300, the magnets 330 on the case 300 correspond to the magnets 330 on the module 400 in position, and attract each other under the action of magnetic force, so that the case 300 and the module 400 are fixed in a magnetic attraction manner. The magnet 430 may be provided as an iron piece and the magnet 330 may be provided as a permanent magnet.

It should be emphasized that the length of the limiting body 110 is greater than the thickness of the module 400, and the moving module 400 is higher than other modules 400 during the installation and removal of the module 400, so that the adjacent other modules 400 do not interfere with the moving module 400 and the moving module 400 does not collide with the adjacent module 400 during the movement of the limiting body 110 along the limiting channel 210. The length of the position-limiting body 110 is greater than the length of the positioning post 411, so as to ensure that the flange 120 will not abut against the box 300 when or after the positioning post 411 is disengaged from the positioning hole 310, thereby affecting the movement of the position-limiting body 110 along the position-limiting channel 210.

The position-limiting post on the module 400 can be inserted into the position-limiting channel 210 on the case 300 and can move along the position-limiting channel 210, when the position-limiting body 110 is far away from the position-limiting hole 220 and moves to the corresponding position of the position-limiting channel 210, the position-limiting post 411 corresponds to the position of the position-limiting hole 310, the position-limiting post 411 is inserted into the position-limiting hole 310, the case 300 and the module 400 are positioned, and the case 300 and the magnet 330 on the module 400 attract each other, so that the module 400 is fixed on the case 300. Because of the width of flange 120 is greater than spacing passageway 210's width, even the display screen receives the exogenic action to result in the magnetic attraction between box 300 and the module 400 to disappear, under the clamping action of flange 120 and module 400 to box 300, module 400 can not break away from box 300 to improve the stability of being connected between box 300 and the module 400 and the security that the display screen used.

FIG. 11 is a schematic structural view illustrating the positioning body 110 moving to the rightmost end of the positioning channel 210, wherein the positioning post 411 corresponds to the positioning hole 310; fig. 12 is a schematic structural view of the position limiting structure after the positioning post 411 is inserted into the positioning hole 310, and at this time, the position limiting body 110 extends into the box 300. Referring to fig. 11 and 12, taking the limiting channel 210 in the first embodiment as an example, the specific assembling process of the display screen is as follows: firstly, aligning the flange 120 of the limiting body 110 on the module 400 with the limiting hole 220 on the box body 300 and inserting the same, moving the module 400 to enable the limiting body 110 to move along the track formed by the limiting channel 210 until the limiting body moves to the rightmost end of the limiting channel 210; at this time, the positioning posts 411 on the module 400 are aligned with the positioning holes 310 on the box 300, and the positioning posts 411 are inserted into the positioning holes 310, so that the module 400 and the box 300 are accurately positioned; the positioning posts 411 are continuously inserted into the positioning holes 310, the box 300 and the magnet 330 on the module 400 attract each other, and the box 300 and the module 400 are magnetically attracted and fixed.

The specific disassembly process of the display screen is as follows: firstly, a tool is used for overcoming the magnetic attraction between the module 400 and the box body 300, the module 400 is sucked up, the positioning column 411 is withdrawn from the positioning hole 310, and the width of the flange 120 is larger than that of the limiting channel 210, so that the module 400 cannot be completely separated from the box body 300; the module 400 is moved to move the position-limiting body 110 along the position-limiting channel 210 until the flange 120 moves to the position-limiting hole 220, the module 400 is pulled outwards, and the flange 120 withdraws from the position-limiting hole 220, so that the module 400 is separated from the box body 300.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a limit structure, its characterized in that, includes first base member and second base member, stretch out spacing body on the first base member, spacing body is kept away from the one end of first base member is equipped with the flange, be equipped with spacing passageway and confession on the second base member the spacing hole of flange business turn over, spacing hole with spacing passageway intercommunication, the width of spacing passageway is less than the width of flange, spacing body can pass spacing passageway is followed spacing passageway removes.

2. The spacing structure of claim 1, wherein the width of said spacing channel decreases in a direction away from said spacing aperture.

3. Spacing structure according to claim 1 or 2, wherein a cushion is provided on the bottom end face of the flange and/or on the inner wall of the spacing channel.

4. A display screen, characterized by comprising a plurality of limiting structures according to any one of claims 1 to 3, and further comprising a box body and a plurality of modules, wherein the first base body is integrally connected with the modules, the second base body is integrally connected with the box body, and the modules can be installed on the box body.

5. The display screen of claim 4, wherein the box body is shell-shaped, and the limiting body can penetrate through the limiting channel and extend into the box body.

6. The display screen of claim 4, wherein the module comprises a bottom shell and a lamp panel fixedly connected to an end face of the bottom shell.

7. The display screen of claim 6, wherein the bottom casing is further fixed with a plurality of positioning posts, and the box body is further provided with positioning holes for the positioning posts to be inserted.

8. The display screen of claim 7, wherein the length of the position limiting body is greater than the thickness of the module and the length of the positioning column.

9. The display screen of claim 4, wherein the box body comprises a plurality of mounting positions, the module is mounted on each mounting position, and the mounting positions are hollowed out.

10. The display screen of claim 4, wherein the module is provided with a plurality of magnets, and the box is provided with a plurality of magnets, wherein the magnets and the magnets can attract each other.