CN212455101U

CN212455101U - Fixed connection structure of LED display screen box and back of body frame

Info

Publication number: CN212455101U
Application number: CN202022080974.9U
Authority: CN
Inventors: 梁军; 梁展; 孔剑
Original assignee: Hunan Yestech Optoelectronic Co ltd
Current assignee: Hunan Yestech Optoelectronic Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-02-02
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a fixed connection structure of LED display screen box and back of the body frame, include: base, driving medium, handle, locking mechanism, the base sets up on the back of the body frame, the driving medium includes pivot and axle sleeve, the pivot is worn to establish on the axle sleeve, the axle sleeve is installed on the base, be equipped with the block ware in the pivot, the block ware with the base cooperation forms block portion, the handle is connected in the pivot, it can drive the pivot is rotatory around the axle sleeve, locking mechanism is used for realizing under natural state the pivot with rotation locking between the axle sleeve realizes under the exogenic action the pivot with rotation unblock between the axle sleeve. The utility model provides a pedestal mounting is on LED display screen back of the body frame, and the handle drives the block ware through the pivot and rotates when to latched position, realizes the chucking of LED display screen box, sets up locking mechanism simultaneously, prevents that maloperation and block ware are rotatory not hard up.

Description

Fixed connection structure of LED display screen box and back of body frame

Technical Field

The utility model relates to a mechanical connection technical field, in particular to fixed connection structure of LED display screen box and back of the body frame.

Background

At present, a large-scale LED display screen is basically formed by splicing modularized LED display screen boxes, and the structure enables the LED display screen to be very convenient to carry, disassemble and assemble. Meanwhile, wires and accessories in the LED display screen box body are not exposed, so that the box body is quite neat and elegant in appearance, even some manufacturers integrate display, driving and wireless receiving, the internal structure of the LED display screen box body is greatly simplified, and the stability of the LED display screen box body is improved. During actual use, a tight connecting device is arranged between the LED display screen box bodies, and the LED display screen box bodies are fixed through the back frame, so that the LED display screen is not moved. However, most of LED display screen boxes are fixed on a back frame through screws and iron sheets, and the fixing mode has the defects of complex operation, time and labor waste and poor installation accuracy.

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 connection structure of LED display screen box and back of the body frame, this fixed connection structure both can guarantee the zonulae occludens between LED display screen box and the back of the body frame, can make the dismouting of LED display screen box simple convenient again.

According to the utility model discloses fixed connection structure of LED display screen box and back of body frame, include: base, driving medium, handle, locking mechanism, the base sets up on the back of the body frame, the driving medium includes pivot and axle sleeve, the pivot is worn to establish on the axle sleeve, the axle sleeve is installed on the base, be equipped with the block ware in the pivot, the block ware with the base cooperation forms block portion, the handle is connected in the pivot, it can drive the pivot is rotatory around the axle sleeve, locking mechanism is used for realizing under natural state the pivot with rotation locking between the axle sleeve realizes under the exogenic action the pivot with rotation unblock between the axle sleeve.

According to the utility model discloses fixed connection structure of LED display screen box and back of the body frame has following beneficial effect at least: the base is arranged on the back frame of the LED display screen, and the handle drives the fastener to rotate to a locking position through the rotating shaft, so that the LED display screen box body is clamped; set up locking mechanism simultaneously, prevent that maloperation and block ware are rotatory not hard up.

According to the utility model discloses a some embodiments, the base includes mutually perpendicular and can dismantle the fixing base and the mount pad of connection, the fixing base can dismantle connect in back of the body frame, the mount pad is equipped with the perforation, the axle sleeve cover is established in the perforation.

According to some embodiments of the utility model, still be equipped with on the mount pad and prevent the gliding stopper of axle sleeve.

According to the utility model discloses a some embodiments, the stopper is the screw, be equipped with the screw hole on the mount pad, be provided with the spacing groove on the axle sleeve, the screw passes the screw hole supports perpendicularly to lean on the tank bottom of spacing groove.

According to some embodiments of the utility model, the block ware for can dismantle connect in the oval cardboard of pivot.

According to some embodiments of the invention, the oval cardboard with still be equipped with elastic buffer element between the pivot.

According to some embodiments of the utility model, locking mechanism establishes including the cover ring gear on the axle sleeve, rotate and set up trip bar, transmission on the handle connect in the elasticity of trip bar resets, the trip bar press down at the external force with ring gear alternate segregation, after the external force is cancelled, the trip bar is in elasticity reset under the elastic force of piece with ring gear intermeshing is in the same place.

According to some embodiments of the utility model, be equipped with two relative lugs on the outer anchor ring of ring gear, be equipped with spacing lug in the handle, two be equipped with the V-arrangement tooth on the anchor ring of lug position line one side, spacing lug is along two the anchor ring motion of lug position line opposite side

According to some embodiments of the invention, the handle is provided with a cut-out portion on a side thereof, the trip bar comprises a transmission portion and an operating portion, the transmission portion extending out of the cut-out portion.

According to some embodiments of the utility model, elasticity piece that resets is torsion spring, be equipped with the fixed axle in the handle, torsion spring with the trip bar cover is established in proper order on the fixed axle, torsion spring one side draw forth the end with the handle is connected, torsion spring opposite side draw forth the end with the trip bar is connected.

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 an exploded view of an embodiment of the present invention;

FIG. 2 is an assembly view of an embodiment of the present invention;

FIG. 3 is a left side view of FIG. 1;

fig. 4 is a schematic structural view of a handle according to an embodiment of the present invention.

Reference numerals:

a base 100, a fixed seat 101, a mounting seat 102 and a through hole 103;

a threaded bore 1022;

the transmission piece 200, the rotating shaft 201, the shaft sleeve 202, the clamping device 203 and the limiting groove 2021;

an engaging part 300, a handle 400, a notch 401, a limit lug 402 and a fixing shaft 403;

the locking mechanism 500, a toothed ring 501, a trip bar 502 and an elastic reset piece 503;

a projection 5011, a transmission part 5021 and an operation part 5022;

resilient cushioning element 600.

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. 4, for the utility model discloses a fixed connection structure of LED display screen box and back of the body frame, include:

and the base 100 is arranged on the back frame of the LED display screen.

The transmission member 200 includes a rotating shaft 201 and a shaft sleeve 202, the rotating shaft 201 penetrates through the shaft sleeve 202, the shaft sleeve 202 is installed on the base 100, the rotating shaft 201 is further provided with a fastener 203, and the fastener 203 is matched with the base 100 to form a fastening portion 300.

And the handle 400 is connected to the rotating shaft 201, and the handle 400 can drive the rotating shaft 201 to relatively rotate around the shaft sleeve 202. When the handle 400 is rotated to the locking position, the LED display screen box body can be clamped on the clamping part 300.

The locking mechanism 500 is used for realizing the mutual locking of the rotating shaft 201 and the shaft sleeve 202 when no external force acts on the locking mechanism 500; when external force acts on the locking mechanism 500, the rotating shaft 201 rotates relative to the shaft sleeve 202.

The utility model discloses an in some embodiments, base 100 includes mutually perpendicular and can dismantle fixing base 101 and mount pad 102 of connection, and fixing base 101 can be dismantled and connect on the LED display screen back of the body frame, and mount pad 102 is equipped with perforation 103, and axle sleeve 202 cover is established in perforation 103, realizes that axle sleeve 202 fixes on base 100.

In some embodiments of the present invention, in order to further fix the shaft sleeve 202, a stopper is further disposed on the mounting seat 102 for preventing the shaft sleeve 202 from sliding.

In some embodiments of the present invention, the stopper is a screw, the mounting base 102 is provided with a threaded hole 1022, and the shaft sleeve 202 is provided with a limit groove 2021. The screws are tightened to pass through the threaded holes 1022 and abut vertically against the bottom of the stop groove 2021, thereby preventing the sleeve 202 from moving back and forth and rolling left and right.

The utility model discloses an in some embodiments, block ware 203 is for dismantling the oval cardboard of connecting in pivot 201, be equipped with on the LED display screen box with the butt joint hole of this oval cardboard shape adaptation, when installing the LED display screen box, the oval cardboard passes this butt joint hole and rotates to certain angle after, just can be with the joint portion 300 that LED display screen box calliper formed between oval cardboard and mount pad 102.

In some embodiments of the present invention, as shown in fig. 1, an elastic buffer element 600 is further disposed between the oval clamping plate and the rotating shaft 201, and the elastic buffer element 600 can play a role in shock absorption during transportation.

In some embodiments of the present invention, the locking mechanism 500 includes a toothed ring 501 sleeved on the shaft sleeve 202, a trip rod 502 rotatably disposed on the handle 400, and an elastic reset member 503 drivingly connected to the trip rod 502. The trip rod 502 is separated from the gear ring 501 under external force pressing, and at the moment, the handle 400 can drive the rotating shaft 201 to rotate relatively around the shaft sleeve 202 within a certain range; after the external force is removed, the trip rod 502 is engaged with the gear ring 501 under the elastic force of the elastic restoring member 503, and the handle 400 and the shaft sleeve 202 are locked with each other, so that the rotating shaft 201 cannot rotate relatively around the shaft sleeve 202.

In some embodiments of the present invention, two opposite protrusions 5011 are disposed on the outer circumferential surface of the toothed ring 501, a limiting protrusion 402 is disposed in the handle 400, and V-shaped teeth are disposed on the annular surface on one side of the connecting line of the two protrusions 5011. On the other hand, the trip bar 502 is also provided with a tooth block which is engaged with the V-shaped teeth. The limiting convex block 402 moves along the ring surface on the other side of the connecting line of the positions of the two convex blocks 5011, that is, when the handle 400 rotates, the position of the limiting convex block 402 is always between the two convex blocks 5011, so that the rotating shaft 201 and the shaft sleeve 202 can rotate relatively within a certain angle range.

In some embodiments of the present invention, the side of the handle 400 is provided with a cut-out portion 401, the trip lever 502 comprises a transmission portion 5021 and an operation portion 5022, and the transmission portion 5021 partially protrudes out of the cut-out portion 401. When the operating part 5022 is pressed, the driving part 5021 is driven to rotate, and the teeth of the driving part 5021 and the V-shaped teeth of the toothed ring 501 are separated from each other.

The utility model discloses an in some embodiments, elasticity piece 503 that resets is torsion spring, is equipped with fixed axle 403 in the handle 400, and torsion spring and trip bar 502 overlap in proper order and establish on fixed axle 403, and the end of drawing forth of torsion spring one side is fixed on the inner wall of handle 400, is equipped with a wear groove on trip bar 502, and the end of drawing forth of torsion spring opposite side inserts at this wear inslot, when external force is used in trip bar 502, should wear the groove and also along with trip bar 502 motion, and torsion spring can produce torsion this moment. After the external force is removed, under the action of the torsional force, the trip rod 502 is reset and meshed with the gear ring 501.

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

1. The utility model provides a fixed connection structure of LED display screen box and back of body frame which characterized in that includes:

a base (100) disposed on the back frame;

the transmission part (200) comprises a rotating shaft (201) and a shaft sleeve (202), the rotating shaft (201) penetrates through the shaft sleeve (202), the shaft sleeve (202) is installed on the base (100), a clamping device (203) is arranged on the rotating shaft (201), and the clamping device (203) is matched with the base (100) to form a clamping part (300);

the handle (400) is connected to the rotating shaft (201) and can drive the rotating shaft (201) to rotate around the shaft sleeve (202);

a locking mechanism (500) for realizing the rotation locking and the rotation unlocking between the rotating shaft (201) and the shaft sleeve (202).

2. The LED display screen box body and back frame fixing connection structure as claimed in claim 1, wherein the base (100) comprises a fixing seat (101) and a mounting seat (102) which are perpendicular to each other and detachably connected, the fixing seat (101) is detachably connected to the back frame, the mounting seat (102) is provided with a through hole (103), and the shaft sleeve (202) is sleeved in the through hole (103).

3. The LED display screen box body and back frame fixing structure as claimed in claim 2, wherein a stopper for preventing the shaft sleeve (202) from sliding is further arranged on the mounting seat (102).

4. The LED display screen box body and back frame fixing connection structure as claimed in claim 3, wherein the stopper is a screw, a threaded hole (1022) is provided on the mounting seat (102), a stopper groove (2021) is provided on the shaft sleeve (202), and the screw passes through the threaded hole (1022) and vertically abuts against a groove bottom of the stopper groove (2021).

5. The LED display screen box body and back frame fixing structure as claimed in claim 1, wherein the fastener (203) is an oval fastener detachably connected to the rotating shaft (201).

6. The LED display screen box body and back frame fixing structure as claimed in claim 5, wherein an elastic buffer element (600) is further disposed between the oval clamping plate and the rotating shaft (201).

7. The LED display screen box body and back frame fixing connection structure as claimed in claim 1, wherein the locking mechanism (500) comprises a toothed ring (501) sleeved on the shaft sleeve (202), a trip lever (502) rotatably arranged on the handle (400), and an elastic reset member (503) in transmission connection with the trip lever (502), the trip lever (502) is separated from the toothed ring (501) under external force pressing, and after the external force is cancelled, the trip lever (502) is meshed with the toothed ring (501) under the elastic force of the elastic reset member (503).

8. The fixed connection structure of the LED display screen box body and the back frame as claimed in claim 7, wherein a cut-out portion (401) is arranged on the side surface of the handle (400), the trip lever (502) comprises a transmission portion (5021) and an operation portion (5022), and the transmission portion (5021) partially extends out of the cut-out portion (401).

9. The fixed connection structure of the LED display screen box body and the back frame as claimed in claim 7, wherein two opposite protrusions (5011) are arranged on the outer annular surface of the toothed ring (501), a limiting protrusion (402) is arranged in the handle (400), V-shaped teeth are arranged on the annular surface of one side of the position connection line of the two protrusions (5011), and the limiting protrusion (402) moves along the annular surface of the other side of the position connection line of the two protrusions (5011).

10. The fixed connection structure of the LED display screen box body and the back frame according to any one of claims 7 to 9, wherein the elastic reset member (503) is a torsion spring, a fixed shaft (403) is arranged in the handle (400), the torsion spring and the trip rod (502) are sequentially sleeved on the fixed shaft (403), a leading-out end on one side of the torsion spring is connected with the handle (400), and a leading-out end on the other side of the torsion spring is connected with the trip rod (502).