CN211949964U

CN211949964U - Limiting device of LED display screen and lock for LED display screen

Info

Publication number: CN211949964U
Application number: CN202020423050.1U
Authority: CN
Inventors: 王嘉琦; 万永光; 肖玉龙; 朱展宏
Original assignee: Shenzhen Zhouming Technology Co Ltd
Current assignee: Shenzhen Zhouming Technology Co Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-17
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a stop device of LED display screen, lock and be used for the lock of LED display screen belongs to LED display screen technical field. The limiting device comprises an unlocking piece, a spring, a limiting barrel and a limiting assembly, wherein the unlocking piece is arranged in the limiting barrel, the spring is positioned between the unlocking piece and the limiting barrel, the unlocking piece and the limiting assembly are linked with each other, the limiting assembly forms a limiting opening with variable size, and the limiting assembly can be driven to move by the unlocking piece or can be driven to move when a lock rod of a lock is inserted; this a lock for LED display screen include the locking lever with stop device, the locking lever include head and spacing portion, the diameter of spacing portion is less than the diameter of head, spacing subassembly realizes locking the spacing of locking lever with spacing portion cooperation. The utility model provides a stop device's of lock structural design for can simply, convenient and swiftly realize locking, compare in the lock of current spacing piece formula, do not need a hand to hold the box during installation, reduced dismouting personnel's working strength effectively.

Description

Limiting device of LED display screen and lock for LED display screen

Technical Field

The utility model relates to a LED display screen technical field, more specifically say, it relates to the stop device of LED display screen, lock and the lock that is used for the LED display screen.

Background

Along with the development of LED display screen industry, the kind of LED lease product is also more and more, owing to the requirement of lease industry, needs can single quick assembly disassembly in the short time, accomplishes to piece together, tear the screen open. Because the workload is large, the labor is consumed when a large amount of locks and unlocks, at present, most of upper and lower locks are of the type of a positioning column and a limiting sheet, the limiting sheet moves linearly to block the positioning column to realize locking, and the limiting sheet returns to the original position by adopting linear pulling when unlocking. But at present, the human cost is higher and higher, and single installation must be considered, and when current single installation of this kind of lock structure, must hold the box of LED display screen by one hand, the other hand goes to pulling spacing piece, holds this action greatly increased dismouting personnel's working strength of box with one hand so, lets the people feel tired easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stop device of LED display screen, lock and the lock that is used for the LED display screen must a hand hold the box and increased dismouting personnel's working strength when solving current lock structure installation, lets the people feel tired technical problem easily.

The above technical purpose of the present invention can be achieved by the following technical solutions:

according to one aspect of the utility model, a limiting device of a lock is provided, which comprises an unlocking piece, a spring, a limiting barrel and a limiting component, wherein the unlocking piece is arranged in the limiting barrel, the spring is positioned between the unlocking piece and the limiting barrel, the unlocking piece and the limiting component are linked with each other, the limiting component forms a limiting opening with variable size, and the limiting component can be driven to move by the unlocking piece or by a lock rod of the lock when inserted;

when the lock rod is inserted from the lower direction far away from the unlocking piece, the lock rod drives the limiting assembly to move so that the limiting opening is enlarged so that the lock rod can be conveniently inserted, the limiting assembly drives the unlocking piece to move towards the limiting barrel when moving so that the spring generates elastic deformation, the elastic force generated by the elastic deformation of the spring can drive the unlocking piece to move and reset, and the unlocking piece drives the limiting assembly to move and reset when moving and resetting so as to realize limiting and locking of the lock rod; when pressing during the unlocking piece, the unlocking piece to remove in the spacing section of thick bamboo and make the spring produces elastic deformation, the unlocking piece drives when removing spacing subassembly motion makes spacing mouthful grow so that the locking lever breaks away from and realizes the unblock, the elasticity that spring elastic deformation produced can drive the unlocking piece removes and resets, the unlocking piece removes and drives when resetting spacing subassembly motion resets.

As a further optimization, the limiting assembly comprises limiting blocks, the limiting blocks are provided with limiting notches, the number of the limiting blocks is at least two, and the limiting openings are defined by the two limiting notches on the at least two limiting blocks.

As further optimization, the device also comprises a base, one of the base and the limiting block is provided with a sliding block, the other is provided with a sliding groove, and the sliding block is positioned in the sliding groove.

As a further optimization, the lower surface of the limiting block, which is far away from the unlocking piece, is provided with an auxiliary slope surface which is used for being matched with the lock rod so as to drive the limiting block to move at the limiting notch.

As further optimization, the stopper with be equipped with the connecting rod between the piece that unlocks, the both ends of connecting rod respectively with the stopper with the piece that unlocks is articulated.

As further optimization, the both ends of connecting rod all are equipped with the articulated ball, the stopper with the deblocking piece all is equipped with the spherical recess that articulated ball matches.

As a further optimization, the device further comprises a bottom shell, and the bottom shell is fixed with the bottom shell.

According to another aspect of the utility model, a lock for LED display screen is provided, including the locking lever and like aforementioned stop device, the locking lever includes head and spacing portion, the diameter of spacing portion is less than the diameter of head, spacing subassembly with spacing portion cooperation is realized just the spacing of locking lever is locked.

According to the utility model discloses a still another aspect provides a LED display screen, the power distribution box comprises a box body, relative both sides limit is installed respectively as aforesaid be used for the lock of LED display screen the locking lever with stop device.

As a further optimization, one or two lock rods are arranged on the upper side of the box body, and one or two limiting assemblies are arranged on the lower side of the box body;

and/or the case body is provided with a handrail beside the installation position of the lock rod, and when the handrail is held by a hand, the unlocking piece of the limiting device on the case body of the vertically adjacent LED display screen can be pressed by a thumb to realize unlocking.

To sum up, the utility model discloses following beneficial effect has: the structure design of the limiting device of the lock in the utility model can simply, conveniently and quickly realize locking, compared with the existing limiting piece type lock, the box body does not need to be held by one hand during installation, and the working strength of the disassembling personnel is effectively reduced; during the dismantlement, the handrail is held respectively to two hands and the unlocking piece is pressed to the thumb to realize the unblock, and not only the dismantlement is convenient, and can directly take off the LED display screen with the help of the handrail by two hands.

Drawings

FIG. 1 is an enlarged schematic view of a lock for an LED display screen in an embodiment;

FIG. 2 is an enlarged schematic view of an exploded structure of a limiting device of a lock for an LED display screen in an embodiment;

FIG. 3 is an enlarged schematic view of another view angle of the limiting component of the limiting device of the lock for the LED display screen in the embodiment;

FIG. 4 is a schematic structural diagram of an LED display screen in an embodiment;

fig. 5 is a schematic structural diagram of the embodiment when two LED display screens are spliced.

In the figure: 1. a lock lever; 11. a head portion; 12. a limiting part; 13. an installation part; 131. a guide groove; 2. unlocking the lock; 3. a spring; 31. a spherical recess; 4. a limiting cylinder; 5. a limiting component; 51. a limiting block; 511. a limiting notch; 512. auxiliary slope surface; 513. a spherical recess; 514. a chute; 6. a limiting port; 7. a connecting rod; 71. hinging the ball; 8. a base; 81. a slider; 100. a box body; 110. a handrail.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment discloses a lock for an LED display screen, and as shown in FIG. 1, the lock comprises a lock rod 1 and a limiting device, and when the lock is applied to the LED display screen, the lock rod 1 and the limiting device of the lock are installed separately. The lock rod 1 comprises a head part 11, a limiting part 12 and a mounting part 13, wherein the limiting part 12 is positioned between the head part 11 and the mounting part 13, and the diameter of the limiting part 12 is smaller than that of the head part 11. The limiting part 12 is used for realizing locking by matching with a limiting device of the lock, and the mounting part 13 is used for realizing mounting of the lock rod 1. In this embodiment, the mounting portion 13 of the locking rod 1 is provided with a guide groove 131, and a guide block matched with the guide groove 131 is designed at the position where the locking rod 1 is mounted. When the locking lever 1 is installed, the guide block is located in the guide groove 131, and the guide block moves relative to the guide groove 131 when the locking lever 1 moves.

As shown in fig. 1 and fig. 2, in this embodiment, the limiting device includes an unlocking piece 2, a spring 3, a limiting barrel 4 and a limiting component 5, the unlocking piece 2 is installed in the limiting barrel 4, the spring 3 is located between the unlocking piece 2 and the limiting barrel 4, and the unlocking piece 2 and the limiting component 5 are linked with each other. The limiting component 5 forms a limiting opening 6 with variable size, the limiting component 5 can be driven by the unlocking piece 2 to move, and can also be driven by the locking rod 1 to move when being inserted, and the size of the limiting opening 6 is changed when the limiting component 5 moves. When the head 11 of the locking rod 1 is inserted from the lower direction far away from the unlocking piece 2, the head 11 of the locking rod 1 drives the limiting component 5 to move so that the limiting opening 6 is enlarged to facilitate the insertion of the locking rod 1, the limiting component 5 drives the unlocking piece 2 to move in the limiting barrel 4 so that the spring 3 generates elastic deformation when moving, when the locking rod 1 moves to the position limiting part 12 to be aligned with the limiting opening 6, the elastic force generated by the elastic deformation of the spring 3 drives the unlocking piece 2 to move and reset, the unlocking piece 2 drives the limiting component 5 to move and reset when moving and resetting, and the limiting component 5 is matched with the limiting part 12 of the locking rod 1 to realize the limiting locking of the locking rod 1; when pressing unlocking piece 2, unlocking piece 2 removes to a spacing section of thick bamboo 4 and makes spring 3 produce elastic deformation, it makes spacing mouthful 6 grow to drive spacing subassembly 5 motion when unlocking piece 2 removes, when spacing mouthful 6 diameter is greater than the diameter of the head 11 of locking lever 1, locking lever 1 is automatic to be removed downwards and breaks away from spacing subassembly 5 and realizes the unblock, locking lever 1 breaks away from the back completely, the elasticity drive unlocking piece 2 that spring 3 elastic deformation produced moves and resets, it resets to drive spacing subassembly 5 motion when unlocking piece 2 removes and resets. The stop device's of lock structural design in this embodiment for can simply, conveniently and swiftly realize locking, compare in the lock of current spacing piece formula, need not one hand hold the box during the installation, reduced dismouting personnel's working strength effectively.

As shown in fig. 1 and fig. 2, the limiting component 5 includes three limiting blocks 51, in this embodiment, there are three limiting blocks 51, each limiting block 51 is provided with a limiting notch 511, and the limiting opening 6 is defined by the three limiting notches 511 on the three limiting blocks 51. In other embodiments, the number of the limiting blocks 51 may be two or more than three. In this embodiment, referring to fig. 3, an auxiliary slope 512 is disposed on a lower surface of the limiting block 51 away from the unlocking element 2 at the limiting notch 511, and the auxiliary slope 512 is used for cooperating with the head 11 of the locking rod 1 so that the locking rod 1 drives the limiting block 51 to move. In this embodiment, all be equipped with connecting rod 7 between every stopper 51 and the piece 2 that unlocks, the both ends of connecting rod 7 are articulated with stopper 51 and piece 2 that unlocks respectively, 2 that unlocks realize through connecting rod 7 with the linkage hookup between three stopper 51. Unlocking piece 2 drives three stopper 51 synchronous motion through corresponding connecting rod 7, and three stopper 51 drives unlocking piece 2 through corresponding connecting rod 7 jointly and removes. In this embodiment, the two ends of each connecting rod 7 are provided with a hinge ball 71, the limiting block 51 and the unlocking member 2 are provided with

spherical grooves

513 and 31 matched with the hinge ball 71, and the hinge is realized through the hinge ball 71 and the

spherical grooves

513 and 31. In this embodiment, the limiting device further includes a base 8, three sliding blocks 81 are disposed on the base 8, sliding grooves 514 are disposed on the three limiting blocks 51, the three sliding blocks 81 are respectively located in the sliding grooves 514 of the three limiting blocks 51, when the limiting blocks 51 move, the sliding blocks 81 move relative to the sliding grooves 514, and the moving direction of the limiting blocks 51 is limited by the cooperation of the sliding blocks 81 and the sliding grooves 514. In other embodiments, the sliding groove 514 may be disposed on the base 8, and the sliding block 81 may be disposed on the limiting block 51. In other embodiments, in order to limit the moving direction of the limiting block 51, a limiting groove may be disposed on the base 8, and the limiting block 51 is located in the limiting groove. In this embodiment, the position limiting device further comprises a housing, the position limiting barrel 4 is connected with the housing, the position of the position limiting barrel 4 is kept fixed, and the bottom shell is removed in order to conveniently display the structure of the position limiting assembly 5. The shell can surround the limiting cylinder 4 and the limiting component 5 independently, and can also surround the limiting cylinder 4 and the limiting component 5 together with the base 8.

The embodiment also discloses an LED display screen, as shown in fig. 4, the LED display screen includes a box 100, and the lock rod 1 and the limiting device of the lock are respectively installed on two opposite sides of the box 100. In theory, the lock rod 1 and the limiting device can be respectively installed in both the vertical direction and the left-right direction. Preferably, it is more effective to install the lock rod 1 and the position limiting device in the vertical direction when the box 100 is spliced or used. In the present embodiment, as shown in fig. 4, the locking lever 1 is installed on the upper side of the case 100, and the position limiting means is installed on the lower side of the case 100. When the two LED display screens are assembled, as shown in fig. 5, the limiting device on the box 100 of the LED display screen above and the lock rod 1 on the box 100 of the LED display screen below are locked with each other. Preferably, the case 100 is provided with a handle 110 beside the lock rod 1, and when the case is disassembled, the handle 110 is held by four fingers of one hand, and the unlocking member 2 is pressed by a thumb to realize unlocking. Preferably, two lock rods 1 are installed on the upper side of the box 100, two limiting devices are installed on the lower side of the box, and handrails 110 are arranged beside the two lock rods 1. During disassembly, the two hands respectively hold the handrail 110 and the thumb presses the unlocking piece 2 to realize unlocking, so that the disassembly is convenient, and the LED display screen can be directly taken down by the two hands by means of the handrail 110.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the above embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. A stop device of lock which characterized in that: the unlocking part is installed in the limiting cylinder, the spring is positioned between the unlocking part and the limiting cylinder, the unlocking part and the limiting component are linked with each other, the limiting component forms a limiting opening with variable size, and the limiting component can be driven by the unlocking part to move or can be driven by a lock rod of a lock to move when the lock rod is inserted;

2. The spacing device of claim 1, wherein: the limiting assembly comprises limiting blocks, limiting notches are formed in the limiting blocks, the number of the limiting blocks is at least two, and the limiting openings are formed by surrounding of the two limiting notches in the at least two limiting blocks.

3. The spacing device of claim 2, wherein: still include the base, the base with one in the stopper is equipped with the slider, and another is equipped with the spout, the slider is located the spout.

4. The spacing device of claim 2, wherein: the lower surface of the unlocking piece away from the limiting block is provided with an auxiliary slope surface which is used for being matched with the lock rod so as to drive the limiting block to move.

5. The spacing device of claim 2, wherein: the stopper with be equipped with the connecting rod between the piece that unlocks, the both ends of connecting rod respectively with the stopper with the piece that unlocks is articulated.

6. The spacing device of claim 5, wherein: the both ends of connecting rod all are equipped with the articulated ball, the stopper with the piece that unlocks all be equipped with the spherical recess that articulated ball matches.

7. The spacing device of claim 1, wherein: the bottom shell is fixed with the bottom shell.

8. A lock for an LED display screen, characterized in that: the locking device comprises a locking rod and a limiting device according to any one of claims 1 to 7, wherein the locking rod comprises a head part and a limiting part, the diameter of the limiting part is smaller than that of the head part, and the limiting component is matched with the limiting part to realize limiting and locking on the locking rod.

9. An LED display screen, its characterized in that: the lock rod and the limiting device for the lock of the LED display screen are respectively arranged on two opposite side edges of the box body, wherein the lock rod and the limiting device are as claimed in claim 8.

10. The LED display screen of claim 9, wherein: one or two lock rods are arranged on the upper side of the box body, and one or two limiting assemblies are arranged on the lower side of the box body;