CN212647788U

CN212647788U - LED box and LED display screen

Info

Publication number: CN212647788U
Application number: CN202020927918.1U
Authority: CN
Inventors: 王春龙; 何昆鹏; 王启权; 吴涵渠
Original assignee: Shenzhen Aoto Electronics Co Ltd
Current assignee: Shenzhen Aoto Electronics Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-03-02
Anticipated expiration: 2030-05-28

Abstract

The application relates to an LED box and an LED display screen. The LED box body comprises a box body frame, a power supply box and a quick-release structure, wherein the power supply box is detachably fixed on the box body frame through the quick-release structure; the quick-release structure comprises a locking column and a locking head, the locking column is fixed on the box body frame, the locking head is fixed on the power box, and the locking head and the locking column are locked and matched through balls. The LED box body is spliced to form the LED display screen. Through setting up quick detach structure, can realize the one-key locking and the one-key unblock between power pack and the box frame, very big installation and the dismantlement of having made things convenient for the power pack.

Description

LED box and LED display screen

Technical Field

The application relates to the field of LED display screens, in particular to an LED box body and an LED display screen.

Background

As a novel display technology, the LED display screen is gradually accepted by the market due to the advantages of energy conservation, environmental protection, high brightness and the like, so that the LED display screen is widely applied to the fields of urban media, urban traffic electronic signboards and the like. The LED chip generally operates at a low voltage, and therefore, the LED display screen generally needs to be configured with a power box to implement a voltage reduction function. Generally, an LED display screen is formed by splicing a plurality of LED boxes, and each LED box is provided with a power supply box.

The power supply box is generally fixed to a frame of the LED box body by screws or the like, and the power supply box is locked by the screws or the like, so that the power supply box can be stably connected, but the power supply box is troublesome to mount and dismount.

Disclosure of Invention

Therefore, the power supply box needs to be locked by fixing methods such as screws, and although stable connection can be realized, the LED box and the LED display screen have the problem of being troublesome to install and detach.

The first aspect of the application provides an LED box body, which comprises a box body frame, a power supply box and a quick-release structure, wherein the power supply box is detachably fixed on the box body frame through the quick-release structure;

the quick-release structure comprises a locking column and a locking head, the locking column is fixed on the box body frame, the locking head is fixed on the power box, and the locking head and the locking column are locked and matched through balls.

In one embodiment, the locking head includes a sleeve, a lock cylinder, a ball, and a handle, wherein,

a cavity is arranged in the sleeve and comprises a conical part, and an opening is also formed in the sleeve;

the lock core is accommodated in the cavity and at least partially enters the conical part, a sliding groove is formed in the lock core and is communicated with the opening, the locking column enters the sliding groove through the opening, an accommodating hole is further formed in the lock core, and the sliding groove is communicated with the cavity through the accommodating hole;

the ball bearing is accommodated in the accommodating hole and can roll in the accommodating hole;

the lock cylinder at least partially extends out of the sleeve, and the handle is fixedly connected to the part of the lock cylinder extending out of the sleeve so as to push the lock cylinder to move in the cavity through the handle.

In one embodiment, the inner diameter of each end of the containing hole is smaller than or equal to the diameter of the ball, so that the ball is prevented from being separated from the containing hole.

In one embodiment, the cavity further comprises a square part which is communicated with the conical part, and the sleeve is provided with a first boss at the junction of the square part and the conical part;

the lock cylinder comprises a wide body part and a narrow body part, the wide body part is contained in the square part, the narrow body part is fixedly connected with the wide body part and at least partially contained in the conical part, the containing hole is formed in the narrow body part, a second boss is formed at the junction of the wide body part and the narrow body part, and the first boss corresponds to the second boss so as to limit the movement of the lock cylinder in the cavity through the first boss.

In one embodiment, the quick release structure further includes an elastic member, the elastic member is accommodated in the cavity, one end of the elastic member abuts against the sleeve, and the other end of the elastic member abuts against the lock cylinder.

In one embodiment, the handle is rotatably connected to the power supply box, and the lock cylinder is driven to move in the cavity through rotation of the handle.

In one embodiment, a lifting spiral structure is arranged on the power supply box, the lifting spiral structure comprises a first end and a second end which are oppositely arranged, the height of the first end is smaller than that of the second end, the height of the first end is gradually increased from the first end to the second end along a spiral end surface, and the handle slides along the spiral end surface to drive the lock cylinder to move in the cavity.

In one embodiment, the second end is provided with a groove, the handle is provided with a rib, the rib is limited in the groove, and when the rib is accommodated in the groove, the quick release structure is in a state of releasing locking.

In one embodiment, two lifting spiral structures are provided, a preset gap is formed between the head and the tail of the two lifting spiral structures, and when the rib is accommodated in the gap, the quick release structure is in a locked state.

Above-mentioned LED box through setting up quick detach structure, can realize the one-key locking and the one-key unblock between power pack and the box frame, very big installation and the dismantlement of having made things convenient for the power pack.

The second aspect of the application provides an LED display screen, including two at least LED boxes, it is fixed to splice each other between the LED box, the LED box be above-mentioned arbitrary LED box.

Because the LED display screen comprises the LED box body, the LED box body has the beneficial effects that the LED display screen also correspondingly has.

Drawings

Fig. 1 is an exploded view of an LED box according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of an LED box according to an embodiment of the present disclosure;

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

FIG. 4 is an exploded view of a quick release structure of an LED box according to an embodiment of the present application;

FIG. 5 is a schematic cross-sectional view illustrating a quick release structure of an LED box according to an embodiment of the present application;

FIG. 6 is a schematic cross-sectional view of a sleeve of a quick release structure of an LED box according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of a handle of a quick release structure of an LED box according to an embodiment of the present application.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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 to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and fig. 2, a schematic structural diagram of an LED box 100 according to an embodiment of the present disclosure is exemplarily shown, where the LED box 100 includes a box frame 10, a power supply box 20, and a quick release structure 30, and the power supply box 20 is detachably fixed on the box frame 10 through the quick release structure 30.

Referring to fig. 1, in one or more embodiments, a supporting plate 110 is disposed on the box frame 10, and the power supply box 20 is mounted and fixed on the supporting plate 110. For example, the power supply box 20 is usually installed at the middle portion of the casing frame 10, so that, in order to provide support for the power supply box 20 and reinforce the casing frame 10, the casing frame 10 may be provided with a support plate 110 at the middle portion for installing the power supply box 20.

Of course, the power supply box 20 may be directly fixed to the case frame 10. For example, the case frame 10 is provided with a hollow hole, and the display module is correspondingly installed in the hollow hole, so that the length of the power supply box 20 is adapted to the length or width of the case frame 10, and the power supply box 20 can be leaned on the case frame 10 and suspended at one side of the hollow hole.

Referring to fig. 1, 2, 4 to 6, the quick release structure 30 includes a locking post 310 and a locking head 320, the locking post 310 is fixed on the box frame 10, the locking head 320 is fixed on the power box 20, and the locking head 320 and the locking post 310 are locked and matched by a ball 325, so that the power box 20 is fixed on the box frame 10.

In one or more embodiments, the locking head 320 includes a sleeve 321, a lock cylinder 323, a ball 325, and a handle 327, wherein a cavity 3211 is disposed in the sleeve 321, the cavity 3211 includes a tapered portion 321a, and an opening 321c is disposed in the sleeve 321; the lock cylinder 323 is accommodated in the cavity 3211 and at least partially enters the tapered portion 321a, a sliding groove 323a is arranged in the lock cylinder 323, the sliding groove 323a is communicated with the opening 321c, the locking column 310 enters the sliding groove 323a through the opening 321c, an accommodating hole 323b is further arranged on the lock cylinder 323, and the sliding groove 323a is communicated with the cavity 3211 through the accommodating hole 323 b; the ball 325 is accommodated in the accommodating hole 323b and can roll in the accommodating hole 323 b; the lock cylinder 323 extends at least partially out of the sleeve 321, and the handle 327 is fixedly connected to the portion of the lock cylinder 323 extending out of the sleeve 321 to push the lock cylinder 323 to move in the cavity 3211 by the handle 327.

Therefore, when the power supply box 20 needs to be fixed, the handle 327 is loosened, the locking column 310 is aligned with the opening 321c of the sleeve 321, the locking column 310 enters the sliding groove 323a from the opening 321c, in the process of entering the sliding groove 323a, the locking column 310 presses the ball 325 and pushes the lock cylinder 323 to move towards one end close to the handle 327, after the power supply box 20 is fixed to a preset position, the power supply box 20 is pressed, the handle 327 is operated, the lock cylinder 323 is pushed to move reversely, two sides of the ball 325 are respectively abutted by the locking column 310 and the side wall of the conical portion 321a of the cavity 3211, the ball 325 is locked, and the power supply box 20 can be stably fixed on the box body frame 10. Conversely, when the power pack needs to be removed, the handle 327 is unlocked, the pressing force of the ball 325 from the sleeve 321 side is released, and the power pack 20 can be removed, and the ball 325 does not limit the movement of the locking column 310 in the sliding groove 323a during the removal process.

The inner diameters of both ends of the receiving hole 323b are equal to or smaller than the diameter of the ball 325 to prevent the ball 325 from being separated from the receiving hole 323 b. When the ball 325 is received in the receiving hole 323b, the ball 325 is pressed between the inner wall of the tapered portion 321a and the lock cylinder 310 by extending at least partially from both ends of the receiving hole 323b to the outside of the receiving hole 323b, but in order to prevent the ball 325 from being completely separated from the receiving hole 323b when being pressed by the inner wall of the tapered portion 321a or the ball 325 is pressed, the inner diameter of both ends of the receiving hole 323b is restricted to prevent the ball 325 from being separated from the receiving hole 323 b.

Referring to fig. 6, in one or more embodiments, the cavity 3211 further includes a square portion 321b, the square portion 321b is connected to the tapered portion 321a, and a first protrusion 3213 is formed at a boundary between the square portion 321b and the tapered portion 321 a. The lock cylinder 323 comprises a wide body portion 3231 and a narrow body portion 3233, the wide body portion 3231 is accommodated in the square portion 321b, the narrow body portion 3233 is fixedly connected to the wide body portion 3231 and at least partially accommodated in the tapered portion 321a, the accommodating hole 323b is formed in the narrow body portion 3233, a second boss 3235 is formed at the boundary of the wide body portion 3231 and the narrow body portion 3233 of the lock cylinder 323, and the first boss 3213 corresponds to the second boss 3235 so as to limit the movement of the lock cylinder 323 in the cavity 3211 through the first boss 3213 and avoid excessive movement of the lock cylinder 323.

Referring to fig. 4 and 5, in one or more embodiments, the quick release structure 30 further includes an elastic member 329, the elastic member 329 is accommodated in the cavity 3211, and has one end abutting against the sleeve 321 and the other end abutting against the lock cylinder 323. The provision of the resilient member 329 facilitates the operation of the handle.

The lock cylinder 323 extends at least partially outside the sleeve 321 to form a coupling portion to which the handle 327 is secured. The handle 327 is exposed from the power box 20 for the operation of the operator, so that the connecting portion passes through the power box 20 and is fixedly connected to the handle 327. For example, the power box 20 may have a through hole, the locking head 320 is disposed corresponding to the through hole, the connecting portion passes through the through hole and extends out of the power box 20, and the handle 327 is fixedly connected to the connecting portion from the outside of the power box 20.

The locking head 320 can be fixedly assembled on the power supply box 20, and can also be movably connected with the power supply box 20. For example, an external thread may be provided on the outer side wall of the sleeve 321, and an internal thread may be provided on the inner wall of the through hole, so that the locking head 320 and the power supply box 20 are fixed in a thread fit manner. Alternatively, the locking head 320 is held by the pressing force of the handle 327 and the two ends of the locking column 310, and is only accommodated in the through hole, but not fixed with the power box 20.

In one or more embodiments, the handle 327 is pivotally coupled to the power supply box 20 and the movement of the key cylinder 323 within the cavity 3211 is driven by the rotation of the handle 327.

For example, referring to fig. 3, the power supply box 20 is provided with a lifting spiral structure 210 corresponding to the through hole, the lifting spiral structure 210 includes a first end 211 and a second end 213 oppositely disposed, the height of the first end 211 is smaller than the height of the second end 213, the height from the first end 211 to the second end 213 gradually increases along the spiral end surface, and the handle 327 slides along the spiral end surface to drive the lock cylinder 323 to move in the cavity 3211. When the handle 327 slides along the spiral end surface between the first end 211 and the first end 211, the handle 327 and the power supply box 20 are displaced in the height direction of the lifting spiral structure 210, so as to drive the lock cylinder 323 to move in the cavity 3211, and further push the ball 325 to move in the accommodating hole 323 b.

The second end 213 may be provided with a groove 215, and the handle 327 may be provided with a rib 3271, the rib 3271 being retained within the groove 215 to secure the handle 327 in the initial state. When the rib 3271 is received in the groove 215, the quick release structure 30 is in a release state.

In a specific embodiment, two lifting screw structures 210 are provided, a preset gap is formed between the head and the tail of the two lifting screw structures 210, and when the rib 3271 is accommodated in the gap, the quick release structure 30 is in a locked state.

Referring to fig. 2, in one or more embodiments, a female socket 220 may be disposed on the power box 20 for a locking head 320, the female socket 220 is disposed corresponding to the through hole, and the locking head 320 is at least partially received in the female socket 220. By providing the female socket 220, the locking head 320 can be prevented from being tilted, so as to ensure the contact between the locking head 320 and the locking column 310, and simultaneously, the locking head 320 is provided with a supporting force in the circumferential direction, thereby enhancing the strength of the quick release structure 30.

In the initial state, the rib 3271 of the handle 327 is received in the groove 215 and is restrained, and a certain amount of force is applied to the handle 327, so that the handle 327 slides out of the groove 215 by rotating the handle 327. When the handle 327 is rotated continuously, the rib 3271 slides from the second end 213 to the first end 211 along the spiral end, during the sliding process, the handle 327 moves towards the direction close to the power supply box 20, and the lock cylinder 323 is fixed to the handle 327, so that the handle 327 pushes the lock cylinder 323 to move towards the direction close to the box frame 10, the two sides of the ball 325 are respectively pressed by the inner walls of the locking column 310 and the tapered portion 321a, finally, the rib 3271 enters the gap between the two lifting spiral structures 210 and is limited in the gap, the ball 325 is locked, and the power supply box 20 is fixed to the box frame 10. On the contrary, when the handle 327 is rotated reversely, the rotation of the handle 327 drives the lock cylinder 323 to be raised, the pressing force on the two sides of the ball 325 is released, and the ball 325 is not locked, so that the power supply box 20 can be easily detached from the box frame 10 when the power supply box 20 is detached.

Therefore, the LED box 100 can realize one-key locking and one-key unlocking between the power supply box 20 and the box frame 10 by arranging the quick-release structure 30, which greatly facilitates the installation and the disassembly of the power supply box 20.

The application also provides an LED display screen, which comprises at least two LED boxes, wherein the LED boxes are spliced and fixed with each other, and the LED boxes are the LED boxes in any embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An LED box body is characterized by comprising a box body frame, a power supply box and a quick-release structure, wherein the power supply box is detachably fixed on the box body frame through the quick-release structure;

2. The LED cabinet of claim 1, wherein the locking head includes a sleeve, a key cylinder, a ball, and a handle, wherein,

3. The LED cabinet of claim 2, wherein the inner diameter of the two ends of the receiving hole is smaller than or equal to the diameter of the ball, so as to prevent the ball from being separated from the receiving hole.

4. The LED box of claim 2, wherein the cavity further comprises a square portion, the square portion is communicated with the tapered portion, and the sleeve is formed with a first boss at a junction of the square portion and the tapered portion;

5. The LED box body of claim 2, wherein the quick release structure further comprises an elastic member, the elastic member is accommodated in the cavity, one end of the elastic member abuts against the sleeve, and the other end of the elastic member abuts against the lock cylinder.

6. The LED cabinet of claim 2, wherein the handle is pivotally connected to the power pack and is configured to drive the lock cylinder to move within the cavity by rotation of the handle.

7. The LED box of claim 6, wherein the power supply box is provided with a lifting screw structure, the lifting screw structure comprises a first end and a second end which are oppositely arranged, the height of the first end is smaller than that of the second end, the height of the first end is gradually increased from the first end to the second end along the spiral end surface, and the handle slides along the spiral end surface to drive the lock cylinder to move in the cavity.

8. The LED box of claim 7, wherein the second end has a groove, the handle has a rib, the rib is retained in the groove, and the quick release mechanism is unlocked when the rib is received in the groove.

9. The LED box body as claimed in claim 8, wherein there are two elevating spiral structures, there is a predetermined gap between the head and the tail of the two elevating spiral structures, and the quick release structure is in a locked state when the rib is received in the gap.

10. An LED display screen comprises at least two LED boxes which are spliced and fixed with each other, and is characterized in that the LED boxes are the LED boxes according to any one of claims 1 to 9.