CN211264854U - A plug-in installation structure of LED display screen - Google Patents

Abstract

The utility model discloses a plug-and-socket installation structure of an LED display screen, which relates to the technical field of LED display screens. The side of the display screen body connected to the socket and the power supply base is provided with an auxiliary connection assembly, the auxiliary connection assembly includes a plug-in block connected with the side wall of the power supply base and a guide connected with the display screen body. The utility model has the effect of improving the connection stability between the power supply pins and the power supply base.

Description

A plug-in installation structure of LED display screen

technical field

The utility model relates to the technical field of LED display screens, in particular to a plug-in installation structure of an LED display screen.

Background technique

The LED display is a device composed of small LED module panels, used to display various information such as text, images, and videos.

As shown in Figure 1, the existing LED digital display screen includes a display screen body 1, one side of the display screen body 1 is a display surface, and the other side of the display screen body 1 is connected with a circuit board that controls the display screen. A socket 11 is connected to the board. A mounting frame 13 is provided on the side of the display screen body 1 connected with the socket 11 , and a cavity 14 for accommodating the circuit board and the power supply pins is opened in the mounting frame 13 . The cavity 14 is also coated with a resin layer 15 that closes the circuit board. The socket 11 is inserted into the power supply base 12 through the resin layer 15 .

The above-mentioned prior art solutions have the following defects: the existing LED digital display display and the power supply base are connected through plug-in cooperation between the power supply pins and the sockets of the power supply base. This connection method has a large mechanical load on the power supply pins of the LED digital display, and is prone to damage such as bending of the power supply pins when shaking occurs during use.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the present invention is to provide a plug-in installation structure for an LED display. The connection between the pins and the power supply base is more stable.

The above-mentioned purpose of the present utility model is achieved through the following technical solutions:

A plug-in installation structure of an LED display screen, comprising a display screen body, a socket connected to a back PCB board of the display screen body, a power supply base connected to the socket, and a socket of the socket connected to the display screen body. An auxiliary connection assembly is arranged on the side and the power supply base, and the auxiliary connection assembly includes a plug-in block connected with the side wall of the power supply base and a guide piece connected with the display screen body; the guide piece includes a plug connected with the display screen body. Guide block and auxiliary block, guide blocks are arranged on both sides of the socket in the length direction, auxiliary blocks are arranged on both sides in the width direction of the socket, and a side wall of the side of the guide block close to the socket is provided with a plug-and-socket connection The plug-in slot is matched with the plug-in slot, and the plug-in block is clamped with the plug-in groove; the two sides of the plug-in block are fixedly connected with positioning blocks, and the side walls on both sides of the plug-in groove are provided with positioning blocks. The matching positioning slot, the positioning block is clamped with the positioning slot; the end of the auxiliary block that is connected to the display screen body is rotatably connected, and the side wall of the end of the auxiliary block that is connected to the display screen body is connected with an abutting block , the end of the auxiliary block which is far away from the end connected with the display screen body is provided with a limiting member, and the limiting member is connected with the guide block.

By adopting the above technical solution, when the power supply pins are plugged with the power supply base, the plug-in block on the power supply base is plugged into the plug-in groove on the power supply guide block, and the side wall of the power supply base is connected with the guide block at the same time. Fitted with the auxiliary block, so that the power supply base is clamped in the cavity formed by the guide block and the auxiliary block. Before the power supply base is mated and plugged with the power supply pins, the guide block is inclined so that the opening of the cavity formed by the guide block and the auxiliary block is larger, thereby facilitating the cooperation between the power supply base and the guide block and the auxiliary block. When the power supply base and the power supply pins are plugged and matched, the power supply base first abuts with the abutment block, and then the power supply base pushes into contact with the power supply base and the power supply pins during the continuous plugging process. The abutment block drives the guide block to rotate, so that when the power supply base and the power supply pins are fully inserted and matched, the guide block and the auxiliary block are limited by the limiter to clamp the power supply base, so that the power supply base and the power supply Pin stable fit.

The utility model is further provided as follows: the limiting member comprises an elastic first limiting block and a second limiting block, and a first limiting block is vertically connected to the side wall of the side of the auxiliary block close to the guiding block, so the A second limit block is connected to the side wall of the first limit block away from the end connected with the auxiliary block and away from the display screen body, and the second limit block is arranged on the side wall of the side away from the auxiliary block. In order to be inclined toward the direction of the auxiliary block, a limit groove is formed on the side wall of the guide block close to the auxiliary block, and the width of the limit groove is equal to the width of the first limit block and the width of the second limit block. In sum, the top wall of the guide block is provided with a limit hole that communicates with the limit slot, a reset block is slidably installed in the limit hole, and the first limit block is slidably connected to the limit slot, The second limit block is clamped with the limit hole, and the reset block is in abutment with the second limit block.

By adopting the above technical solution, when the power supply base is plugged and matched with the power supply pins and the guide block is rotating, the first limit block and the second limit block are matched with the limit slot correspondingly, and the side of the limit slot The wall presses the second limit block, so that the first limit block is bent, and the first limit block and the second limit block slide along the limit groove with the rotation of the guide block. After the power supply base and the power supply pins are fully inserted and matched, the second limit block is clamped with the limit hole and abutted with the reset block, so that the auxiliary block and the power supply base are tightly abutted. When it is necessary to remove the power supply base and the power supply pins, the reset block can be pressed so that the reset block moves down along the limit hole and the second limit block is pressed down, so that the second limit block drives the first limit block. The bit block is bent so that the auxiliary block and the guide block are separated, and the auxiliary block and the power supply base are separated, so that the power supply base and the power supply pins are more easily separated.

The utility model is further provided as follows: the top wall of the guide block is provided with a connecting groove along the length direction of the guide block, the connecting groove is communicated with the limit hole, a sliding block is slidably installed in the connecting groove, and the The slider block is connected to the reset block.

By adopting the above technical solution, the sliding block connects the reset blocks on both sides of the guide block, so that when the sliding block is pressed, it can simultaneously drive the reset blocks on both sides to move and press the second limit block, thereby facilitating the operation.

The utility model is further configured as follows: the side wall of the auxiliary block close to the power supply base is connected with an arc-shaped clamping block, and the side wall of the power supply base is provided with a clamping slot matched with the clamping block, so the The card block is snap-fitted with the card slot.

By adopting the above technical solution, when the auxiliary block is in contact with the power supply base, the arc-shaped blocking block on the auxiliary block is snap-fitted with the card groove on the side wall of the power supply base, so that the power supply base is in contact with the power supply base. After the feet are inserted and matched, the power supply base is more stable.

The utility model is further provided that: the side of the guide block facing away from the socket is provided with a guide piece, the guide piece comprises a first guide block and a second guide block connected with the side wall of the guide block, the first guide block A through groove is formed between the first guide block and the second guide block, a first guide groove is opened on the side wall of the first guide block facing the second guide block, and a side wall of the second guide block facing the first guide block is opened with a first guide groove. The second guide groove, the side wall of the power supply base is connected with a connecting block used in cooperation with the first guide groove and the second guide groove, and the connecting block is connected with the first guide groove, the through groove and the second guide groove. catch.

By adopting the above technical solution, when the power supply base is plugged with the power supply pins, the two sides of the connection block on the power supply base are respectively inserted into the first guide groove and the second guide groove correspondingly, and the plug of the connection block starts up. The positioning and guiding functions of the power supply base make the insertion between the power supply base and the power supply pins more accurate, and it is not easy to cause damage to the power supply pins.

The utility model is further configured as follows: the second guide block and the guide block are connected by a return piece, the return piece includes a return spring and a return rotation shaft, a rotation groove is opened on the side wall of the guide block, and the first One end of the two guide blocks connected to the guide block is provided with a rotating hole, and a return rotating shaft is rotatably installed in the rotating hole, and the two ends of the rotating shaft are fixedly connected to the side walls on both sides of the rotating groove. The wall is provided with a mounting slot that communicates with the rotating slot, a return spring is arranged in the mounting slot, one end of the return spring is fixedly connected to the side wall of one side of the mounting slot, and the other end of the return spring is connected to the first The two guide blocks are connected.

By adopting the above technical solution, the second guide block can be rotated. When rotating, the second guide block pushes the return spring, so that the return spring is compressed. At this time, the distance between the second guide block and the first guide block increases, so that the return spring is compressed. The connecting block is more easily inserted between the first guide block and the second guide block. After the connection block is inserted, the second guide block is released, so that the second guide block returns to the initial state under the action of the restoring force of the return spring, so as to snap the connection block.

The utility model is further configured as follows: a group of arc-shaped bumps are fixedly connected to the side wall of the side of the second guide groove away from the guide block, and the arc-shaped bumps are equally spaced along the length direction of the second guide groove. Arrangement, the connecting block is provided with an arc-shaped card slot matched with the convex block, and the convex block is snap-fitted with the card groove.

By adopting the above technical solution, the arrangement of the arc-shaped bumps makes it unnecessary to manually rotate the second guide block when the connecting block is inserted. When the connecting block is inserted, the connecting block pushes the arc-shaped bumps so that the arc-shaped bump The block is forced to drive the second guide block to rotate, which is convenient for the plug-in operation. At the same time, after the connecting block is inserted into the arc-shaped bump, the arc-shaped bump is clamped with the arc-shaped card slot on the connecting block, so that the insertion of the connecting block is more stable.

The utility model is further configured as follows: a locking block is fixedly connected to the side wall of the first guide block on the side close to the guide block, the top wall of the locking block is set as an arc surface, and the side wall of the connecting block is provided with a locking block. There is a locking slot, and the locking block is snapped with the locking slot.

By adopting the above technical solution, the locking block further improves the insertion stability of the connecting block. When the connecting block is inserted, the connecting block abuts against the arc surface of the locking block, so that the locking block pushes the second guide block to rotate, thereby making the connecting block easy to insert. After the connecting block is inserted, since the bottom surface of the locking block is flat, the connecting block is not easily loosened under the action of external force, and the stability of the connection is improved.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By setting auxiliary blocks and guide blocks to match the power supply base, the connection between the power supply base and the power supply pins is more stable and stronger;

2. The connection between the power supply base and the power supply pins is further stabilized by setting the connection block to improve the stability of the connection.

Description of drawings

Fig. 1 is the exploded view of the prior art of LED display screen;

2 is a perspective view of an LED display screen of the present invention;

3 is an exploded view of the power supply pins and the power supply base of the LED display screen of the present invention;

4 is a cross-sectional view of a power supply base and an auxiliary connector;

Fig. 5 is the enlarged view of A in Fig. 3;

FIG. 6 is an enlarged view of B in FIG. 4 .

Reference signs: 1. Display screen body; 11. Socket; 12. Power supply base; 13. Mounting frame; 14. Cavity; 15. Resin layer; 2. Auxiliary connector; 21. Plug-in block; 22. Guide parts; 221, guide block; 222, auxiliary block; 23, insertion slot; 24, positioning block; 25, positioning slot; 3, guide piece; 31, first guide block; 32, second guide block; 33, through 34, the first guide groove; 35, the second guide groove; 36, the connecting block; 37, the convex block; 38, the locking block; 39, the locking groove; 4, the return piece; 41, the return spring; 42, the return shaft ;43. Rotation slot; 44. Installation slot; 5. Abutting block; 6. Limiting piece; ; 65, reset block; 66, sliding block; 661, sliding groove; 67, block.

Detailed ways

The present utility model will be described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIG. 2 , a plug-in installation structure of an LED display screen disclosed by the present invention includes a display screen body 1 , one side of the display screen body 1 is a display surface, and the other side of the display screen body 1 is on a back PCB board A socket 11 is fixedly connected. A power supply base 12 is plugged into the socket 11 .

Referring to FIGS. 2 and 3 , the side of the display screen body 1 connected to the socket 11 is provided with an auxiliary connector 2 , and the auxiliary connector 2 includes a plug-in block 21 connected with the side wall of the power supply base 12 and the display screen body 1 . The side walls of the guides 22 are connected. The guide 22 includes a guide block 221 and an auxiliary block 222 . Guide blocks 221 are provided on both sides of the socket 11 in the width direction, and the guide blocks 221 are fixedly connected to the side walls of the display screen body 1 . A side wall of the guide block 221 close to the socket 11 is provided with an insertion slot 23 matched with the insertion block 21 , and the insertion block 21 is clamped with the insertion slot 23 .

Referring to FIG. 3 , the two sides of the plug-in block 21 are fixedly connected with the positioning blocks 24 , and the side walls of the two sides of the plug-in groove 23 are provided with positioning grooves 25 which are matched with the positioning blocks 24 , and the positioning blocks 24 are locked with the positioning grooves 25 . catch.

3 , a side of the guide block 221 away from the socket 11 is provided with a guide member 3 , the guide member 3 includes a first guide block 31 and a second guide block 32 , and the first guide block 31 and the second guide block 32 are related to the guide block 221 The symmetry axis is set symmetrically. The first guide block 31 is fixedly connected with the guide block 221 .

Referring to FIGS. 3 and 4 , the second guide block 32 is provided with a return member 4 , and the return member 4 includes a return spring 41 and a return rotation shaft 42 . A rotation groove 43 is defined on the side wall of the guide block 221 along the height direction of the guide block 221 , and one end of the second guide block 32 close to the guide block 221 is slidably connected to the rotation groove 43 . One end of the second guide block 32 close to the guide block 221 is provided with a rotating hole along the height direction of the guide block 221 . The rotating hole is rotatably connected with a return rotating shaft 42 , and the return rotating shaft 42 passes through both ends of the rotating hole and the side wall of the rotating groove 43 . Fixed connection.

4 , a side wall of the guide block 221 on the side of the second guide block 32 away from the first guide block 31 is provided with an installation groove 44 , and the installation groove 44 communicates with the rotation groove 43 . The installation groove 44 is provided with a return spring 41 , one end of the return spring 41 is fixedly connected to the side wall of the second guide block 32 , and the other end of the return spring 41 is fixedly connected to the side wall of the installation groove 44 .

3 and 4 , a through groove 33 is formed between the first guide block 31 and the second guide block 32 , and the side wall of the first guide block 31 facing the second guide block 32 is along the side wall of the first guide block 31 . A first guide groove 34 is formed in the length direction, and a second guide groove 35 is formed in the length direction of the second guide block 32 on the side wall of the side wall of the second guide block 32 facing the first guide block 31 . Connecting blocks 36 are fixedly connected to the side walls on both sides of the power supply base 12 .

3 and 5 , a group of arc-shaped projections 37 are fixedly connected to the side wall of the second guide groove 35 away from the guide block 221 , and the arc-shaped projections 37 are spaced apart along the length direction of the second guide slot 35 , etc. The connecting block 36 is provided with an arc-shaped card slot matched with the convex block 37, and the convex block 37 is snap-fitted with the card groove.

Referring to FIGS. 3 and 5 , a locking block 38 is fixedly connected to the side wall of the second guide block 32 on the side close to the guide block 221 , the top wall of the locking block 38 is set as an arc surface, and the side wall of the connecting block 36 is provided with a Locking slot 39, the locking block 38 is engaged with the locking slot 39.

3 and 4 , auxiliary blocks 222 are provided on both sides of the socket 11 in the length direction, and the auxiliary blocks 222 are rotatably connected to the side wall of the display screen body 1 . An abutting block 5 is fixedly connected to the side wall of one end of the auxiliary block 222 connected to the display screen body 1 and on the side close to the socket 11 , and the abutting block 5 is perpendicular to the auxiliary block 222 .

Referring to FIGS. 4 and 6 , a limiting member 6 is provided at the end of the auxiliary block 222 away from the end connected with the display screen body 1 . The limiting member 6 includes an elastic first limiting block 61 and a second limiting block 62 . A first limit block 61 is vertically fixedly connected to the side wall of the side of the auxiliary block 222 close to the socket 11 , and a second limit block 62 is fixedly connected to the end of the first limit block 61 away from the auxiliary block 222 . The position block 62 is fixedly connected to the side wall of the side of the first position limit block 61 away from the display screen body 1 . The side wall of the side of the second limiting block 62 facing away from the auxiliary block 222 is set as an inclined slope. A limit slot 63 is defined on the side wall of the guide block 221 close to the guide block. The width of the limit slot 63 is equal to the sum of the width of the first limit block 61 and the width of the second limit block 62 . The two limiting blocks 62 and the limiting grooves 63 are slidably connected. A limit hole 64 communicated with the limit groove 63 is formed on the top wall of the guide block 221 , and the second limit block 62 is slidably connected with the limit hole 64 .

Referring to FIGS. 4 and 6 , a reset block 65 is slidably installed in the limit hole 64 , and the end surface of the reset block 65 abuts against the second limit block 62 . The top wall of the guide block 221 is provided with a connecting groove along the length direction of the guide block 221 .

Referring to FIGS. 4 and 6 , the side wall of the auxiliary block 222 close to the power supply base 12 is connected with an arc-shaped blocking block 67, and the side wall of the power supply base 12 is provided with a card slot matched with the blocking block 67, The clamping block 67 is engaged with the clamping slot.

The implementation principle of this embodiment is: when the power supply base 12 is inserted into the power supply pins, the connection block 36 on the power supply base 12 is inserted into the first guide groove 34 , the second guide groove 35 and the through groove 33 correspondingly. , the plug-in block 21 is inserted into the corresponding plug-in slot 23 . When the power supply base 12 is inserted into the power supply pins, the connecting block 36 abuts against the arc-shaped bump 37, and the connecting block 36 pushes the arc-shaped bump 37, so that the arc-shaped bump 37 drives the second guide block 32 to rotate, Therefore, the connecting block 36 is smoothly inserted into the second guide groove 35 , the through groove 33 and the first guide groove 34 . When the connecting block 36 is inserted, it abuts against the arc surface on the locking block 38 at the same time, so that the locking block 38 is also pressed by the connecting block 36 to push the second guide block 32 to rotate.

After the power supply base 12 is inserted into the socket 11 , the arc-shaped projections 37 are engaged with the arc-shaped card slots. The locking block 38 is engaged with the locking groove 39 . When the power supply base 12 is inserted into the socket 11, the power supply base 12 abuts against the abutment block 5, so that the abutment block 5 is squeezed to drive the auxiliary block 222 to rotate, and the auxiliary block 222 rotates to drive the first limit block 61 and The second limit block 62 is correspondingly inserted into the limit groove 63 , the first limit block 61 is first pressed by the side wall of the limit groove 63 to bend, and the bent first limit block 61 and the second limit block 62 enters the limit slot 63 , after the power supply base 12 is inserted into the socket 11 , the second limit block 62 is snapped into the limit hole 64 , and the first limit block 61 resumes its deformation.

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions that belong to the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a grafting mounting structure of LED display screen, includes display screen body (1), be connected with socket (11) on the back PCB board of display screen body (1), be connected with power supply base (12) on socket (11), its characterized in that: an auxiliary connecting assembly is arranged on one side of the display screen body (1) connected with the socket (11) and the power supply base (12), and comprises an inserting block (21) connected with the side wall of the power supply base (12) and a guide piece (22) connected with the display screen body (1); the guide piece (22) comprises a guide block (221) and an auxiliary block (222) which are connected with the display screen body (1), the guide block (221) is arranged on two sides of the socket (11) in the length direction, the auxiliary block (222) is arranged on two sides of the socket (11) in the width direction, an insertion groove (23) matched with the insertion block (21) is formed in the side wall of one side, close to the socket (11), of the guide block (221), and the insertion block (21) is connected with the insertion groove (23) in a clamping mode; positioning blocks (24) are fixedly connected to two sides of the insertion block (21), positioning grooves (25) matched with the positioning blocks (24) are formed in the side walls of the two sides of the insertion groove (23), and the positioning blocks (24) are clamped with the positioning grooves (25); the one end that supplementary piece (222) display screen body (1) link to each other rotates and links to each other, be connected with butt piece (5) on the lateral wall of the one end that supplementary piece (222) and display screen body (1) link to each other, the one end that links to each other with display screen body (1) is kept away from in supplementary piece (222) is provided with locating part (6), locating part (6) link to each other with guide block (221).

2. The LED display screen plug-in mounting structure of claim 1, wherein: the limiting piece (6) comprises a first limiting piece (61) and an elastic second limiting piece (62), the first limiting piece (61) is vertically connected to the side wall of one side, close to the guide piece (221), of the auxiliary piece (222), the second limiting piece (62) is connected to the side wall of one side, far away from one end connected with the auxiliary piece (222), of the first limiting piece (61) and far away from one side of the display screen body (1), the side wall of one side, far away from the auxiliary piece (222), of the second limiting piece (62) is set to be an inclined surface inclined towards the direction close to the auxiliary piece (222), a limiting groove (63) is formed in the side wall, close to the auxiliary piece (222), of the guide piece (221), the width of the limiting groove (63) is equal to the sum of the width of the first limiting piece (61) and the width of the second limiting piece (62), and a limiting hole (64) communicated with the limiting groove (63) is formed in the top, sliding mounting has reset block (65) in spacing hole (64), first stopper (61) and spacing groove (63) slide and link to each other, second stopper (62) and spacing hole (64) joint, reset block (65) and second stopper (62) looks butt.

3. The LED display screen plug-in mounting structure of claim 2, wherein: the connecting groove has been seted up along the length direction of guide piece (221) on the roof of guide piece (221), the connecting groove is linked together with spacing hole (64), slidable mounting has sliding block (66) in the connecting groove, sliding block (66) link to each other with reset block (65).

4. The LED display screen plug-in mounting structure of claim 2, wherein: the auxiliary block (222) is connected with an arc-shaped clamping block (67) on the side wall of one side close to the power supply base (12), a clamping groove matched with the clamping block (67) is formed in the side wall of the power supply base (12), and the clamping block (67) is in clamping fit with the clamping groove.

5. The LED display screen plug-in mounting structure of claim 1, wherein: one side that guide block (221) deviates from socket (11) is provided with guide (3), guide (3) include first guide block (31) and second guide block (32) that link to each other with the lateral wall of guide block (221), it leads to groove (33) to form between first guide block (31) and second guide block (32), first guide way (34) have been seted up on the lateral wall of first guide block (31) orientation second guide block (32), second guide way (35) have been seted up on the lateral wall of second guide block (32) orientation first guide block (31), be connected with on the lateral wall of power supply base (12) connecting block (36) of using with first guide way (34) and second guide way (35) cooperation, connecting block (36) and first guide way (34), lead to groove (33) and second guide way (35) joint.

6. The LED display screen plug-in mounting structure of claim 5, wherein: the second guide block (32) is connected with the guide block (221) through a return piece (4), the return piece (4) comprises a return spring (41) and a return rotating shaft (42), a rotating groove (43) is arranged on the side wall of the guide block (221), a rotating hole is arranged at one end of the second guide block (32) connected with the guide block (221), a return rotating shaft (42) is rotatably arranged in the rotating hole, two ends of the return rotating shaft (42) are fixedly connected with the side walls at two sides of the rotating groove (43), the side wall of the guide block (221) is provided with an installation groove (44) communicated with the rotating groove (43), a return spring (41) is arranged in the mounting groove (44), one end of the return spring (41) is fixedly connected with the side wall of one side of the mounting groove (44), the other end of the return spring (41) is connected with the second guide block (32).

7. The LED display screen plug-in mounting structure of claim 6, wherein: fixedly connected with a set of curved lug (37) on the lateral wall of one side of guide block (221) is kept away from in second guide way (35), the length direction interval equidistance setting along second guide way (35) is seted up in lug (37), seted up on connecting block (36) with lug (37) matched with arc draw-in groove, lug (37) and draw-in groove joint cooperation.

8. The LED display screen plug-in mounting structure of claim 6, wherein: fixedly connected with locking block (38) on the lateral wall of one side that first guide block (31) is close to guide block (221), the roof of locking block (38) sets up to the cambered surface, locking groove (39) have been seted up on the lateral wall of connecting block (36), locking block (38) and locking groove (39) looks joint.

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