CN213451175U - Connecting device for fixing LED display screen back frame - Google Patents

Abstract

The utility model discloses a fixed LED display screen connecting device for back of body frame, include: spacing post, fastener, unlocking piece, be provided with block portion on the spacing post, be provided with the cover on the fastener and establish the hole, spacing post is worn to establish on the hole is established to the cover, under natural state, the cover establish the hole with block portion chucking each other, unlocking piece sets up on the fastener, it is used for realizing under the exogenic action the cover establish the hole with mutual separation between the block portion. The limiting column in the utility model can be arranged on the LED display screen back frame or the transport vehicle, and the limiting column is locked by the fastener, so that the limiting fixation of the LED display screen back frame is realized; set up the unlocking piece simultaneously, only need press the unlocking piece when the dismouting, just can remove the locking state between LED display screen back of the body frame and the spacing post smoothly.

Description

Connecting device for fixing LED display screen back frame

Technical Field

The utility model relates to a mechanical connecting device field, in particular to connecting device is used to fixed LED display screen back of body frame.

Background

At present, large-screen LED display screens are generally used for performances, outdoor exhibition, advertisement and the like, and most of the large-screen LED display screens consist of LED display screen boxes with standardized sizes. In order to facilitate the assembly, disassembly and assembly, several groups of LED display screen boxes are usually mounted on an adaptive back frame. To further facilitate transportation, protect the LED display screen, and reduce transportation costs, a plurality of back frames are typically mounted on an adapted transport cart. However, the conventional back frame is usually fixed on the transport vehicle through screws, the mounting and dismounting of the fixing mode takes a long time and is laborious, and a worker still has to carry a heavy tool during mounting and dismounting, so that the operation efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fixed LED display screen connecting device for back of the body frame realizes the quick ann dismouting of back of the body frame.

According to the utility model discloses a fixed LED display screen connecting device for back of body frame, include: spacing post, fastener, unlocking piece, be provided with block portion on the spacing post, be provided with the cover on the fastener and establish the hole, spacing post is worn to establish on the hole is established to the cover, under natural state, the cover establish the hole with block portion chucking each other, unlocking piece sets up on the fastener, it is used for realizing under the exogenic action the cover establish the hole with mutual separation between the block portion.

According to the utility model discloses above-mentioned embodiment's fixed LED display screen connecting device for back of the body frame has following beneficial effect at least: the limiting column is arranged on the LED display screen back frame or the transport vehicle, and the limiting column is locked through a fastening piece, so that the limiting and fixing of the LED display screen back frame are realized; set up the unlocking piece simultaneously, only need press the unlocking piece when the dismouting, just can remove the locking state between LED display screen back of the body frame and the spacing post smoothly.

According to the utility model discloses a some embodiments, the fastener includes apron, cardboard, elastic element, be equipped with on the support of LED display screen back of the body frame and hold the cardboard with elastic element's cavity, the apron can dismantle set up in on the support and seal the cavity, the cover is established the hole and is run through the support the cardboard with the apron, the cardboard is in chucking under elastic element's the effect the block portion.

According to the utility model discloses a some embodiments, elastic element is cylindrical structure, the cavity is the rectangle cavity, the bottom of cavity is equipped with a plurality of accomodations elastic element's the first recess that holds, elastic element's one end is supported perpendicularly and is leaned on the inner wall of cavity, the other end is supported perpendicularly and is leaned on a side of cardboard, the cardboard is followed under the spring action elastic element's axial slip.

According to some embodiments of the present invention, adjacent to be equipped with the boss between the first accommodation groove.

According to some embodiments of the invention, the apron back be equipped with the first second that holds the recess adaptation holds the recess.

According to some embodiments of the utility model, be equipped with the hangers on cardboard opposite side edge, the cavity is kept away from one side of elastic element is equipped with the third holding groove of outside extension in order to hold the hangers, the deblocking spare is for wearing to establish push rod on the hangers, the push rod can drive the cardboard is followed elastic element's endwise slip.

According to some embodiments of the present invention, the cover plate is close to a side of the hanging lug and is provided with a concave portion for providing the hanging lug with a clearance.

According to some embodiments of the invention, the engagement portion is an annular groove structure.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 the 3 direction 3 A 3- 3 A 3 of 3 the 3 embodiment 3 of 3 the 3 present 3 invention 3; 3

Fig. 3 is an exploded view of an embodiment of the present invention;

FIG. 4 is a further exploded view of the embodiment of FIG. 3;

fig. 5 is a schematic structural diagram of a cover plate according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a clamping plate according to an embodiment of the present invention.

Reference numerals:

a stopper post 100, a locking portion 101;

the fastening device comprises a fastening piece 200, a sleeving hole 201, a cover plate 202, a clamping plate 203 and an elastic element 204;

a recess 2021, a lug 2031;

unlocking member 300, support 400, cavity 500;

a first receiving recess 501, a boss 502, a second receiving recess 503, and a third receiving recess 504.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless explicitly defined otherwise, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the terms in the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1 to fig. 6, for the utility model discloses a fixed connecting device for LED display screen back of body frame, include:

a stopper post 100 provided with an engaging portion 101;

the fastener 200 is provided with a sleeving hole 201, and the limiting column 100 penetrates through the sleeving hole 201. In a natural state, the fitting hole 201 is tightly fitted to the engaging portion 101.

And an unlocking member 300 provided on the fastening member 200, wherein the unlocking member 300 separates the sleeve hole 201 and the engaging portion 101 from each other by an external force.

The utility model discloses a some embodiments, fastener 200 includes apron 201, cardboard 202, elastic element 203, and the corresponding position is equipped with the cavity 500 that holds cardboard 202 and elastic element 203 on the support 400 of LED display screen back of the body frame, and apron 202 passes through the fix with screw in order to cover cavity 500 on support 400, and the cover is established hole 201 and is run through support 400, cardboard 203 and apron 202 in proper order, and spacing post 100 is worn to establish on the cover establishes hole 201. In a natural state, the catch plate 203 is caught in the engaging portion 101 by the elastic force of the elastic member 204.

In some embodiments of the present invention, the elastic element 204 is preferably a spring with a cylindrical structure, and the cavity 500 is a rectangular cavity. The bottom of the cavity 500 is provided with 3 first receiving grooves 501 for receiving the elastic elements 204, one end of each elastic element 204 vertically abuts against the inner wall of the cavity 500, the inner wall can provide a supporting force for the elastic element 204, and the other end of each elastic element 204 vertically abuts against one side of the clamping plate 203. In a natural state, the clamping plate 203 slides rightwards along the axial direction of the elastic element 204 under the action of the elastic force; under the action of external force, the clamping plate 203 slides leftwards along the axial direction of the elastic element 204 under the action of elastic force, so that the clamping plate 203 and the clamping part 101 are clamped and separated.

In some embodiments of the present invention, a boss 502 is disposed between adjacent first accommodating grooves 501, and the boss 502 and the first accommodating groove 501 are used to fix the elastic element 204 together. In addition, mounting holes, such as threaded holes, may be conveniently provided on the bosses 502, and the cover plate 202 is fixed to the bracket 400 by screws.

In some embodiments of the present invention, the back surface of the cover plate 202 is provided with a second accommodating recess 503 adapted to the first accommodating recess 501, and the first accommodating recess 501, the boss 502 and the second accommodating recess 503 together form a cylindrical accommodating space for fixing the elastic element 204.

In some embodiments of the present invention, the other side of the clamping plate 203 is provided with a hanging lug 2031, one side of the cavity 500 away from the elastic element 204 is provided with a third accommodating groove 504 extending outward to accommodate the hanging lug 2031, and the unlocking member 300 is a push rod penetrating through the hanging lug 2031.

In some embodiments of the present invention, a side of the cover plate 202 close to the hanging lug 2031 is provided with a concave portion 2021, and the push rod is moved left and right to drive the clamping plate 203 to slide left and right along the axial direction of the elastic element 204 within the depth range of the concave portion 2021.

In some embodiments of the present invention, the engaging portion 101 is preferably an annular groove structure, and the clamping plate 202 can be firmly clamped in the annular groove structure in a natural state.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (8)

1. The utility model provides a fixed LED display screen connecting device for back of body frame which characterized in that includes:

a limit column (100) provided with a clamping part (101);

the fastener (200) is provided with a sleeving hole (201), the limiting column (100) penetrates through the sleeving hole (201), and the sleeving hole (201) and the clamping part (101) are clamped in a natural state;

the unlocking piece (300) is arranged on the fastening piece (200) and used for realizing the mutual separation between the sleeve hole (201) and the clamping part (101) under the action of external force.

2. The connecting device for the LED display screen back frame according to claim 1, wherein the fastener (200) comprises a cover plate (202), a clamping plate (203) and an elastic element (204), a cavity (500) for accommodating the clamping plate (203) and the elastic element (204) is formed in a bracket (400) of the LED display screen back frame, the cover plate (202) is detachably arranged on the bracket (400) and closes the cavity (500), the sleeve hole (201) penetrates through the bracket (400), the clamping plate (203) and the cover plate (202), and the clamping plate (203) clamps the clamping part (101) under the action of the elastic element (204).

3. The connecting device for the LED display screen back frame according to claim 2, wherein the elastic element (204) is a cylindrical structure, the cavity (500) is a rectangular cavity, the bottom of the cavity (500) is provided with a plurality of first accommodating grooves (501) for accommodating the elastic element (204), one end of the elastic element (204) vertically abuts against the inner wall of the cavity (500), the other end of the elastic element vertically abuts against one side edge of the clamping plate (203), and the clamping plate (203) slides along the axial direction of the elastic element (204) under the action of elastic force.

4. The connecting device for the back frame of the LED display screen is characterized in that a boss (502) is arranged between the adjacent first accommodating grooves (501).

5. The connecting device for the LED display screen back frame according to claim 4, wherein the back surface of the cover plate (202) is provided with a second accommodating groove (503) matched with the first accommodating groove (501).

6. The connecting device for the back frame of the LED display screen according to claim 3, wherein a hanging lug (2031) is arranged on the other side edge of the clamping plate (203), a third receiving groove (504) extending outwards is arranged on one side of the cavity (500) far away from the elastic element (204) to receive the hanging lug (2031), the unlocking member (300) is a push rod arranged on the hanging lug (2031) in a penetrating manner, and the push rod can drive the clamping plate (203) to slide along the axial direction of the elastic element (204).

7. The connecting device for the LED display screen back frame according to claim 6, wherein a concave portion (2021) is arranged on one side of the cover plate (202) close to the hanging lug (2031) to provide a movable gap for the hanging lug (2031).

8. The connecting device for the back frame of the LED display screen as claimed in any one of claims 1 to 7, wherein the engaging portion (101) is an annular groove structure.

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