CN220325993U

CN220325993U - Connecting lock

Info

Publication number: CN220325993U
Application number: CN202321830594.XU
Authority: CN
Inventors: 李胜法
Original assignee: Shenzhen Hanshengheng Hardware Technology Co ltd
Current assignee: Shenzhen Hanshengheng Hardware Technology Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-01-09
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a connecting lock, which belongs to the technical field of LED display screens and comprises a lamp box, wherein a cabinet door is hinged to the outer surface of the lamp box, a fixed block is fixedly connected to the bottom of the inner surface of the lamp box, the inner surface of the fixed block is abutted against the LED display screen, and a self-locking structure for limiting the position of the LED display screen is arranged on the inner surface of the lamp box; the self-locking structure comprises a self-locking box fixedly connected to the bottom wall of the inner surface of the lamp box, a fixing plate is slidably connected to the inner surface of the self-locking box, a reset telescopic rod is welded to the bottom of the fixing plate, and a reset spring is wound on the outer surface of the reset telescopic rod. The connecting lock achieves the effects of being convenient for rapidly taking the LED display screen and being stable in storage of the LED display screen through the cooperation of the lamp box, the cabinet door, the fixing block, the LED display screen and the self-locking structure; through the cooperation of lamp house, cabinet door, stopper, locating hole, locating piece, inserted bar, spacing spring and square use, the effect of avoiding the cabinet door to fix the back and remove at will as far as possible has been reached.

Description

Connecting lock

Technical Field

The utility model belongs to the technical field of LED display screens, and particularly relates to a connecting lock.

Background

An LED display screen is an electronic display device using light emitting diodes as a light source, and is generally composed of a plurality of LED modules, and can play high-quality videos, pictures and texts in different environments. The basic structure of the LED display screen comprises an LED module, a power supply, a control system, a frame and the like. And the LED display screen is fixed with the box body and needs to use a connecting lock.

After the LED screen enters the box body, the LED screen is required to be fixed by using the connecting lock, and after the LED screen is fixed by using the common connecting lock, the LED lamp screen can shake due to vibration of the box body, and the four sides of the LED are not firm, so that improvement on the problems is required to meet market demands.

Disclosure of Invention

The utility model aims to solve the problem that in the prior art, after a common connecting lock is used for fixing an LED screen, the LED lamp screen can shake due to vibration of a box body, and four sides of an LED are not fixed firmly.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the connecting lock comprises a lamp box, wherein a cabinet door is hinged to the outer surface of the lamp box, a fixed block is fixedly connected to the bottom of the inner surface of the lamp box, an LED display screen is abutted to the inner surface of the fixed block, and a self-locking structure for limiting the position of the LED display screen is arranged on the inner surface of the lamp box;

the self-locking structure comprises a self-locking box fixedly connected to the bottom wall of the inner surface of the lamp box, a fixing plate is connected to the inner surface of the self-locking box in a sliding mode, a reset telescopic rod is welded to the bottom of the fixing plate, a reset spring is wound on the outer surface of the reset telescopic rod, an inclined block is fixedly connected to the top of the fixing plate, the outer surface of the inclined block is movably connected with the outer surface of the LED display screen, and a moving rod is fixedly connected to the outer surface of the fixing plate.

Preferably, the outer surface fixing sleeve of the movable rod is provided with an anti-slip sleeve, and the length of the anti-slip sleeve is smaller than that of the movable rod.

Through setting up the antiskid cover, the frictional force on antiskid cover multiplicable movable rod surface makes things convenient for operating personnel to further master the movable rod.

Preferably, the internal surface fixedly connected with threaded rod of lamp house, the surface movable sleeve of threaded rod is equipped with the cardboard, the surface threaded connection of threaded rod has the nut, the surface of nut is contradicted with the surface of cardboard.

Through setting up threaded rod, cardboard and nut, after the LED display screen gets into the lamp house inside, clockwise rotation nut can drive the cardboard and remove towards the LED display screen gradually to the cardboard tightly supports the surface at the LED display screen under the effect of nut, is convenient for change stable fixed LED display screen whole.

Preferably, the inner surface of the lamp box is fixedly connected with a soft cushion, and one side of the soft cushion away from the lamp box is abutted against the outer surface of the LED display screen.

Through setting up the cushion, the cushion can provide holding power for the LED display screen, avoids the uneven atress of LED display screen to the greatest extent to cause the damage to have elastic cushion can protect the surface of LED display screen, avoids the damage of colliding with of LED display screen surface as far as possible.

Preferably, the inner surface of the lamp box is abutted against a long plate, and one side, far away from the lamp box, of the long plate is fixedly connected with an illuminating lamp.

Through setting up longboard and light, can promote the inside overall brightness of lamp house after the start-up of light, the operating personnel of being convenient for removes the whole dismantlement or the change of LED display screen rapidly.

Preferably, the inner cavity of the illuminating lamp is in threaded connection with a bolt, and the bolt penetrates through the illuminating lamp to be in threaded connection with the lamp box.

Through setting up the bolt, operating personnel anticlockwise rotation bolt can release the fixed state of light and lamp house rapidly, is convenient for dismantle the holistic effect of change longboard and light rapidly.

Preferably, one side of cabinet door away from the lamp house fixedly connected with stopper, the locating hole has been seted up to the surface of stopper, the bottom fixedly connected with locating piece of lamp house, the inner chamber activity of locating piece is inserted and is equipped with the inserted bar, the surface winding of inserted bar has spacing spring, the one end fixedly connected with square that the stopper was kept away from to the inserted bar.

Through setting up stopper, locating hole, locating piece, inserted bar, spacing spring and square, operating personnel holds the square and can draw the inserted bar to the one side of keeping away from the cabinet door, and after the cabinet door was overturned to the limit downwards, the inserted bar was inserted in the locating hole rapidly under locating piece and spacing spring's effect, and then formed fixed state between cabinet door and the lamp house, and the cabinet door can't upwards be opened at will.

In summary, the technical effects and advantages of the present utility model are: the connecting lock achieves the effects of being convenient for rapidly taking the LED display screen and being stable in storage of the LED display screen through the cooperation of the lamp box, the cabinet door, the fixing block, the LED display screen and the self-locking structure; through the cooperation of the lamp box, the long plate and the illuminating lamp, the effect of being convenient for improving the brightness inside the lamp box and being beneficial to the maintenance of the LED display screen by operators is achieved; through the cooperation of lamp house, cabinet door, stopper, locating hole, locating piece, inserted bar, spacing spring and square use, the effect of avoiding the cabinet door to fix the back and remove at will as far as possible has been reached.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic perspective view of a fixed block according to the present utility model;

FIG. 3 is a schematic perspective cross-sectional view of the self-locking box of the present utility model;

fig. 4 is a schematic view of another angle overall perspective structure of the present utility model.

In the figure:

1. a light box; 2. a cabinet door; 3. a fixed block; 4. an LED display screen;

5. a self-locking structure; 501. a self-locking box; 502. a fixing plate; 503. resetting the telescopic rod; 504. a return spring; 505. a sloping block; 506. a moving rod;

6. an anti-skid sleeve; 7. a threaded rod; 8. a clamping plate; 9. a nut; 10. a soft cushion; 11. a long plate; 12. a lighting lamp; 13. a bolt; 14. a limiting block; 15. positioning holes; 16. a positioning block; 17. a rod; 18. a limit spring; 19. and (5) square blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a connection lock comprises a light box 1, wherein a cabinet door 2 is hinged to the outer surface of the light box 1, a fixing block 3 is fixedly connected to the bottom of the inner surface of the light box 1, the inner surface of the fixing block 3 is abutted against an LED display screen 4, the number of the fixing blocks 3 is four, the four fixing blocks 3 are symmetrically distributed with the light box 1 as the center, and four corners of the LED display screen 4 can be tightly attached to the inside of the fixing block 3.

Referring to fig. 1-3, the inner surface of the lamp box 1 is provided with a self-locking structure 5 for limiting the position of the LED display screen 4, the self-locking structure 5 comprises a self-locking box 501 fixedly connected to the bottom wall of the inner surface of the lamp box 1, the inner surface of the self-locking box 501 is slidably connected with a fixing plate 502, and the fixing plate 502 can slide up and down along the inner wall of the self-locking box 501 under the force; a reset telescopic rod 503 is welded at the bottom of the fixed plate 502, and the telescopic height of the reset telescopic rod 503 is smaller than the height of the self-locking box 501; the outer surface of the return telescopic rod 503 is wound with a return spring 504, and the telescopic height of the return spring 504 is equal to the telescopic height of the return telescopic rod 503.

In addition, the top of the fixed plate 502 is fixedly connected with an inclined block 505, and the inclined surface of the inclined block 505 is positioned in the direction away from the LED display screen 4; the outer surface of the inclined block 505 is movably connected with the outer surface of the LED display screen 4, when the LED display screen 4 enters the lamp box 1 from the outside, the LED display screen 4 contacts with the inclined block 505 to enable the inclined block 505 to slide downwards under the stress, and after the LED display screen 4 is separated from the inclined block 505, the inclined block 505 is quickly reset under the action of the reset telescopic rod 503 and the reset spring 504 of the fixed plate 502, and the LED display screen 4 cannot move outwards from the inside of the lamp box 1 under the blocking of the inclined block 505. The outer surface of the fixed plate 502 is fixedly connected with a movable rod 506, and an operator can hold the movable rod 506 and drive the inclined block 505 to move through the fixed plate 502. The outer surface fixed cover of movable rod 506 is equipped with antiskid cover 6, and the length of antiskid cover 6 is less than the length of movable rod 506, and the frictional force on movable rod 506 surface can be increased to the setting of antiskid cover 6.

Referring to fig. 1, a threaded rod 7 is fixedly connected to the inner surface of the light box 1, and the length of the threaded rod 7 is smaller than that of the light box 1; the surface movable sleeve of threaded rod 7 is equipped with cardboard 8, and cardboard 8 can carry out the back-and-forth movement along threaded rod 7, and the surface threaded connection of threaded rod 7 has nut 9, and the surface of nut 9 contradicts with the surface of cardboard 8, and operating personnel clockwise rotation nut 9 can drive cardboard 8 and remove towards the direction of LED display screen 4 to cardboard 8 tightly supports LED display screen 4 under the effect of nut 9, then the stability of LED display screen 4 further obtains promoting.

In addition, the inner surface fixedly connected with cushion 10 of lamp house 1, the length of cushion 10 is less than the length of lamp house 1, and the one side that lamp house 1 was kept away from to cushion 10 is contradicted with the surface of LED display screen 4, has elastic cushion 10 can protect the surface of LED display screen 4, avoids the surface of LED display screen 4 to collide with the damage as far as possible.

Referring to fig. 1 and 4, the inner surface of the lamp box 1 is abutted with a long plate 11, and the height of the long plate 11 is smaller than that of the lamp box 1; one side of the long plate 11, which is far away from the lamp box 1, is fixedly connected with illuminating lamps 12, the number of the illuminating lamps 12 is four, the four illuminating lamps 12 are symmetrically distributed by taking the long plate 11 as the center, and the internal brightness of the lamp box 1 can be improved after the illuminating lamps 12 are started, so that an operator can maintain the LED display screen 4 conveniently. The inner cavity of the illuminating lamp 12 is in threaded connection with the bolt 13, the bolt 13 penetrates through the illuminating lamp 12 to be in threaded connection with the lamp box 1, and the bolt 13 can be rotated anticlockwise outwards to rapidly release the fixed state of the long plate 11 and the lamp box 1, so that the whole of the long plate 11 and the illuminating lamp 12 can be replaced rapidly.

Referring to fig. 1 and 4, one side of the cabinet door 2 far away from the lamp box 1 is fixedly connected with two limiting blocks 14, and the two limiting blocks 14 are symmetrically distributed by taking the cabinet door 2 as the center; the outer surface of the limiting block 14 is provided with a positioning hole 15. The bottom of the lamp box 1 is fixedly connected with a positioning block 16, an inserting rod 17 is movably inserted into an inner cavity of the positioning block 16, a limiting spring 18 is wound on the outer surface of the inserting rod 17, and the telescopic length of the limiting spring 18 is smaller than that of the inserting rod 17; the end of the inserted link 17 away from the limiting block 14 is fixedly connected with a square block 19.

In addition, an operator can hold the square 19 to drive the inserted link 17 to slide in a direction away from the cabinet door 2, and the sliding of the inserted link 17 can stretch the limit spring 18 outwards, when the cabinet door 2 is turned down to a limit, the positioning hole 15 and the inserted link 17 are positioned in the same straight line, and then the inserted link 17 is rapidly inserted into the limit block 14 under the action of the positioning block 16, the limit spring 18 and the square 19, so that a fixed state is formed between the lamp box 1 and the cabinet door 2.

Working principle: as shown in fig. 1-4, when the connection lock is used, firstly, an operator aligns four corners of the LED display screen 4 with four fixing blocks 3 distributed in the lamp box 1 and moves towards the inside of the lamp box 1, then in the moving process of the LED display screen 4, because the inclined surface of the inclined block 505 faces the direction of the cabinet door 2, when the LED display screen 4 contacts with the inclined block 505, the inclined block 505 is forced to drive the fixing plate 502 to move downwards and press the reset telescopic rod 503 and the reset spring 504, when the four corners of the LED display screen 4 are clamped in the fixing block 3, the inclined block 505 is rapidly reset upwards under the thrust of the reset telescopic rod 503 and the reset spring 504, and because one side of the inclined block 505, which is close to the LED display screen 4, is a right angle surface, the LED display screen 4 cannot be separated from the lamp box 1 outwards at will, if the LED display screen 4 needs to be rapidly dismounted, the operator can hold the anti-skid cover 6 and the movable rod 506 to press the fixing plate 502 downwards and move the inclined block 505 in the same direction.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a connection lock, includes lamp house (1), its characterized in that, the surface of lamp house (1) articulates has cabinet door (2), the internal surface bottom fixedly connected with fixed block (3) of lamp house (1), the internal surface of fixed block (3) is contradicted and is had LED display screen (4), the internal surface of lamp house (1) is provided with self-locking structure (5) that are used for restricting LED display screen (4) position;

the self-locking structure (5) comprises a self-locking box (501) fixedly connected to the bottom wall of the inner surface of the lamp box (1), a fixing plate (502) is connected to the inner surface of the self-locking box (501) in a sliding mode, a reset telescopic rod (503) is welded to the bottom of the fixing plate (502), a reset spring (504) is wound on the outer surface of the reset telescopic rod (503), an inclined block (505) is fixedly connected to the top of the fixing plate (502), the outer surface of the inclined block (505) is movably connected with the outer surface of the LED display screen (4), and a movable rod (506) is fixedly connected to the outer surface of the fixing plate (502).

2. A connection lock according to claim 1, characterized in that the outer surface of the moving rod (506) is fixedly sleeved with an anti-slip sleeve (6), the length of the anti-slip sleeve (6) being smaller than the length of the moving rod (506).

3. The connecting lock according to claim 1, wherein the inner surface of the lamp box (1) is fixedly connected with a threaded rod (7), a clamping plate (8) is movably sleeved on the outer surface of the threaded rod (7), a nut (9) is in threaded connection with the outer surface of the threaded rod (7), and the outer surface of the nut (9) is abutted against the outer surface of the clamping plate (8).

4. A connection lock according to claim 1, characterized in that the inner surface of the light box (1) is fixedly connected with a soft pad (10), and the side of the soft pad (10) away from the light box (1) is abutted against the outer surface of the LED display screen (4).

5. A connection lock according to claim 1, characterized in that the inner surface of the light box (1) is abutted against a long plate (11), and a lighting lamp (12) is fixedly connected to one side of the long plate (11) far away from the light box (1).

6. A connection lock according to claim 5, characterized in that the inner cavity of the lighting lamp (12) is screwed with a bolt (13), the bolt (13) passing through the lighting lamp (12) is screwed with the light box (1).

7. The connecting lock according to claim 1, wherein one side of the cabinet door (2) far away from the lamp box (1) is fixedly connected with a limiting block (14), a positioning hole (15) is formed in the outer surface of the limiting block (14), a positioning block (16) is fixedly connected to the bottom of the lamp box (1), an inserting rod (17) is movably inserted into an inner cavity of the positioning block (16), a limiting spring (18) is wound on the outer surface of the inserting rod (17), and one end of the inserting rod (17) far away from the limiting block (14) is fixedly connected with a square block (19).