Wireless LED display screen control card convenient to install

Abstract

The utility model relates to the technical field of LED display screen control cards, and discloses a wireless LED display screen control card convenient to install, which comprises a control card body, the outer side of the control card body is fixedly connected with four fixing blocks which are distributed in a rectangular array, and the fixing blocks are fixedly connected with the control card body. The interiors of the four fixing blocks are rotationally connected with two connecting columns which are symmetrically distributed up and down, the interiors of the two connecting columns are in transmission connection with four screw rods which are distributed in a rectangular array through threads, and the outer sides of the four screw rods are slidably connected with the interiors of the four fixing blocks correspondingly; and the outer sides of the four screw rods are fixedly connected with two top plates which are symmetrically distributed left and right. The wireless LED display screen control card convenient to install has the advantages of being convenient to install and the like, and the problems that an installation method of a tool is troublesome, the LED display screen control card cannot be installed when the tool is not carried, and installation is inconvenient are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display screen control cards, in particular to a wireless LED display screen control card which is easy to install. Background Art

[0002] LED display control card, also known as LED asynchronous controller, is the core component of LED graphic display. LED display controller is responsible for receiving the screen display information from the computer serial port, placing it into the frame memory, and generating the serial display data and scanning control timing required by the LED display according to the partition drive mode. It is the core component of LED graphic display.

[0003] The existing LED display control cards on the market are usually installed using tools and screws. This installation method using tools is relatively troublesome. The LED display control card cannot be installed without carrying tools, which makes it inconvenient to install. Therefore, an easy-to-install wireless LED display control card is proposed to solve the above-mentioned problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a wireless LED display screen control card that is easy to install and has the advantages of being easy to install. It solves the problem that the installation method using tools is more troublesome and the LED display screen control card cannot be installed without carrying tools, resulting in inconvenient installation.

[0006] (II) Technical solution

[0007] The utility model solves the above-mentioned technical problem with a technical solution as follows: a wireless LED display screen control card that is easy to install, comprising a control card body, the outer side of the control card body being fixedly connected with four fixing blocks that are distributed in a rectangular array, the four fixing blocks being internally rotatably connected with two connecting columns that are symmetrically distributed up and down, the interiors of the two connecting columns being connected with four screws that are distributed in a rectangular array through threaded transmission, the outer sides of the four screws being respectively slidably connected with the interiors of the four fixing blocks, the outer sides of the four screws being fixedly connected with two top plates that are symmetrically distributed left and right, the front side of the control card body being fixedly connected with four limit blocks that are distributed in a rectangular array, the interiors of the four limit blocks being slidably connected with limit plates, the backs of the four limit plates being rotatably connected with threaded rods, and the front sides of the four limit plates being fixedly connected with knobs.

[0008] The beneficial effects of the utility model are as follows: the four limit blocks limit the four threaded rods through the four limit plates, the four fixed blocks provide a limiting effect for the two connecting columns, the two connecting columns rotate and transmit the four screw rods through the threads to drive the two top plates to cooperate with the external LED display installation room to perform internal clamping to limit the control card body, and the four knobs are rotated to drive the four threaded rods to rotate into the external LED display installation room through the four limit plates to limit the control card body.

[0009] The easy-to-install wireless LED display screen control card has the advantage of being easy to install.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, four positioning blocks arranged in a rectangular array are fixedly connected to the outer side of the control card body, and the interiors of the four positioning blocks are rotatably connected to the outer sides of the two connecting columns respectively.

[0012] The beneficial effect of adopting the above further solution is that the four positioning blocks can provide a further limiting effect on the two connecting columns through the control card body.

[0013] Furthermore, the outer sides of the two connecting columns are fixedly connected with anti-slip sleeves, and the two anti-slip sleeves are located between the four positioning blocks.

[0014] The beneficial effect of adopting the above further solution is that the two anti-slip sleeves can prevent slipping when the two connecting columns are rotated.

[0015] Furthermore, the outer sides of the two top plates are fixedly connected with buffer pads, and the outer sides of the two knobs are knurled.

[0016] The beneficial effect of adopting the above further solution is that the two buffer pads can increase the friction between the two top plates and the installation chamber of the external LED display screen.

[0017] Furthermore, four bottom pads distributed in a rectangular array are fixedly connected to the back of the control card body, and the four bottom pads are respectively matched with four screw rods.

[0018] The beneficial effect of adopting the above further solution is that the four bottom pads can provide a buffering effect for the control card body and the installation room of the external LED display screen.

[0019] Furthermore, two interfaces are disposed on the front of the control card body and are symmetrically distributed on the left and right sides, and a heat sink is disposed on the front of the control card body.

[0020] The beneficial effect of adopting the above further solution is that the two interfaces are convenient for connecting external signal input and signal output. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a front view of the connection structure between the fixed block and the control card body of the utility model;

[0023] Figure 3 This is a bottom view of the connection structure between the limit block and the control card body of the utility model;

[0024] Figure 4 This is an enlarged view of the structure at point A of the utility model.

[0025] In the figure: 1. control card body; 2. fixing block; 3. connecting column; 4. screw; 5. top plate; 6. limit block; 7. limit plate; 8. threaded rod; 9. knob; 10. positioning block; 11. anti-slip cover; 12. buffer pad; 13. bottom pad; 14. interface; 15. heat sink. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the embodiment, Figure 1-4 Provided is a wireless LED display screen control card that is easy to install. The utility model comprises a control card body 1, the outer side of the control card body 1 is fixedly connected with four fixing blocks 2 that are distributed in a rectangular array, the four fixing blocks 2 are internally rotatably connected with two connecting columns 3 that are symmetrically distributed up and down, the interiors of the two connecting columns 3 are connected with four screw rods 4 that are distributed in a rectangular array through threaded transmission, the outer sides of the four screw rods 4 are respectively slidably connected with the interiors of the four fixing blocks 2, the outer sides of the four screw rods 4 are fixedly connected with two top plates 5 that are symmetrically distributed left and right, the front side of the control card body 1 is fixedly connected with four limit blocks 6 that are distributed in a rectangular array, the interiors of the four limit blocks 6 are all slidably connected with limit plates 7, the backs of the four limit plates 7 are all rotatably connected with threaded rods 8, and the front sides of the four limit plates 7 are all fixedly connected with knobs 9;

[0028] Four positioning blocks 10 arranged in a rectangular array are fixedly connected to the outer side of the control card body 1, and the insides of the four positioning blocks 10 are rotatably connected to the outer sides of the two connecting columns 3 respectively;

[0029] The four positioning blocks 10 can provide further limiting effect on the two connecting columns 3 by controlling the card body 1;

[0030] The outer sides of the two connecting columns 3 are fixedly connected with anti-slip sleeves 11, and the two anti-slip sleeves 11 are located between the four positioning blocks 10;

[0031] The two anti-slip sleeves 11 can prevent the two connecting columns 3 from slipping when rotating. When the two anti-slip sleeves 11 are located between the four positioning blocks 10, the four positioning blocks 10 can limit the two anti-slip sleeves 11 by controlling the card body 1;

[0032] The outer sides of the two top plates 5 are fixedly connected with a buffer pad 12, and the outer sides of the two knobs 9 are knurled;

[0033] The two buffer pads 12 can increase the friction between the two top plates 5 and the installation room of the external LED display screen. The outer sides of the two knobs 9 are knurled to facilitate the rotation of the two knobs 9.

[0034] The back of the control card body 1 is fixedly connected with four bottom pads 13 distributed in a rectangular array, and the four bottom pads 13 are respectively adapted to the four screw rods 4;

[0035] The four bottom pads 13 can provide a buffering effect for the control card body 1 and the installation room of the external LED display screen;

[0036] The front of the control card body 1 is provided with two interfaces 14 which are symmetrically distributed on the left and right sides, and the front of the control card body 1 is provided with a heat sink 15;

[0037] The two interfaces 14 facilitate connection to external signal input and signal output, and the heat sink 15 facilitates heat dissipation of the control card body 1 .

[0038] Working principle:

[0039] Step 1: Align the four threaded rods 8 with the holes opened in the installation room of the external LED display screen, and drive the four threaded rods 8 to rotate into the holes opened in the installation room of the external LED display screen through four knobs 9 and four limit plates 7, and fix the control card body 1 through four limit blocks 6;

[0040] Step 2: Rotate the two connecting columns 3 through the two anti-slip sleeves 11. The two connecting columns 3 transmit the four screws 4 through threads so that the four screws 4 drive the two top plates 5 to move. The two top plates 5 provide further limiting effect for the control card body 1 through the installation room of the external LED display.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wireless LED display screen control card that is easy to install, comprising a control card body (1), characterized in that: The outer side of the control card body (1) is fixedly connected with four fixed blocks (2) distributed in a rectangular array, the four fixed blocks (2) are internally rotatably connected with two connecting columns (3) distributed symmetrically in an upper and lower manner, the two connecting columns (3) are internally connected with four screw rods (4) distributed in a rectangular array through threaded transmission, the outer sides of the four screw rods (4) are respectively slidably connected with the inner sides of the four fixed blocks (2), the outer sides of the four screw rods (4) are fixedly connected with two top plates (5) distributed symmetrically in a left-right manner, the front side of the control card body (1) is fixedly connected with four limit blocks (6) distributed in a rectangular array, the inner sides of the four limit blocks (6) are all slidably connected with limit plates (7), the back sides of the four limit plates (7) are all rotatably connected with threaded rods (8), and the front sides of the four limit plates (7) are all fixedly connected with knobs (9).

2. The wireless LED display screen control card that is easy to install according to claim 1 is characterized in that: Four positioning blocks (10) arranged in a rectangular array are fixedly connected to the outer side of the control card body (1), and the interiors of the four positioning blocks (10) are rotatably connected to the outer sides of the two connecting columns (3) respectively.

3. The easy-to-install wireless LED display screen control card according to claim 2 is characterized in that: The outer sides of the two connecting columns (3) are fixedly connected with anti-slip sleeves (11), and the two anti-slip sleeves (11) are located between the four positioning blocks (10).

4. The easy-to-install wireless LED display screen control card according to claim 1 is characterized in that: The outer sides of the two top plates (5) are fixedly connected with a buffer pad (12), and the outer sides of the two knobs (9) are knurled.

5. The wireless LED display screen control card that is easy to install according to claim 1 is characterized in that: Four bottom pads (13) arranged in a rectangular array are fixedly connected to the back of the control card body (1), and the four bottom pads (13) are respectively matched with four screw rods (4).

6. The wireless LED display screen control card that is easy to install according to claim 1 is characterized in that: The front side of the control card body (1) is provided with two interfaces (14) which are symmetrically distributed on the left and right sides, and the front side of the control card body (1) is provided with a heat sink (15).

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