Anti-falling display driving mainboard

Abstract

The utility model discloses an anti-falling display driving mainboard, and relates to the technical field of display driving mainboards. The anti-falling structure comprises a display mounting cavity and a main board, and the anti-falling structure comprises four supports which are fixedly arranged on the inner wall of the lower end of the display mounting cavity and located on the outer side of the main board, a first spring located at one end of each support, a sleeve plate which is fixedly arranged at one end of each first spring and connected to the edge side of the main board in a sleeving mode, and a sealing gasket embedded into the inner wall of the sleeve plate. The positioning structure comprises mounting cylinders which are fixedly arranged on the inner wall of the lower end of the display driving mainboard and are positioned at four corners below the mainboard, springs II which are fixedly arranged on the inner walls of the lower ends of the mounting cylinders, clamping grooves and stroke grooves which are formed in the mainboard and are distributed in a cross shape, and pressing blocks which are positioned in the clamping grooves. Through the arrangement of the anti-falling structure, the problem that the risk that the effective use of the display equipment is affected due to the fact that the screws are loosened and separated from the mainboard is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display drive mainboard technical field, in particular to a kind of display drive mainboard of anti-falling. BACKGROUND

[0002] Display mainboard is an important component of display, it is responsible for providing hardware interface, power supply electric energy, and connects, coordinates the work of each part, display mainboard is installed in the cavity inside display, display mainboard is disassembled and installed by screwdriver, mainboard is fixed in display inside using screw, and the fixed support or screw hole in display inside is aligned.

[0003] Chinese patent discloses a kind of display drive mainboard with ventilation and heat dissipation structure (authorized announcement No.CN218767682U), the patent technology includes installation shell, the middle part of the bottom end of installation shell inner wall is fixed with fan, the both sides of the bottom end of installation shell inner wall are fixed with heat dissipation plate, the top of two heat dissipation plates is symmetrically equipped with two positioning rods, the outer wall of four positioning rods is commonly inserted with display drive board, the both sides of the top of display drive board are equipped with mounting block. By being equipped with heat dissipation block, mounting block, first heat dissipation hole, fan, second heat dissipation hole, after display drive board is installed to heat dissipation plate, under the work of fan, the heat generated by display drive board is dissipated to installation shell through heat dissipation block and first heat dissipation hole, and is dissipated to outside through second installation hole, by this way, when display is in stuffy environment, the heat dissipation efficiency of display drive board is improved, and long time operation also does not affect normal work of display.

[0004] The patent technology has the advantage of heat dissipation in the process of use, but there are still deficiencies in the process of use, display drive mainboard is installed by screw, if screw is not tightened to appropriate degree, or tightening force is uneven, it can lead to screw gradually loosening in the process of use, display exists to be subjected to various vibrations and impact in the process of use, such as jolt in transportation process, vibration in use environment, these external factors can cause loosening of screw, there is the risk that screw loosening separates mainboard and affects effective use of display equipment, therefore, the technical personnel in the art provides a kind of display drive mainboard of anti-falling to solve the problems raised in above background technology. UTILITY MODEL CONTENT

[0005] 1. Technical solution

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a kind of display drive mainboard of anti-falling, including display installation cavity and mainboard,

[0008] The anti-falling structure comprises four supports fixed in the inner wall of the lower end of the display mounting cavity and located outside the mainboard, a spring I located at one end of the support, a sleeve plate fixed at one end of the spring I and sleeved with the side of the mainboard, and a sealing gasket embedded and mounted in the inner wall of the sleeve plate.

[0009] And;

[0010] The positioning structure comprises a mounting cylinder fixed in the inner wall of the lower end of the display driving mainboard and located at the four corners below the mainboard, a spring II fixed in the inner wall of the lower end of the mounting cylinder, a clamping groove and a stroke groove opened in the inner wall of the mainboard and distributed in a cross shape, and a pressing block located in the inner wall of the clamping groove.

[0011] Further, the inner wall of the sealing gasket is provided with a tapered surface, and the tapered surface gradually decreases in distance from the opening to the inner wall.

[0012] Specifically, the tapered surface guides the automatic centering installation of the mainboard, the error tolerance is ±1.5mm, the contact area between the tapered surface and the edge of the mainboard is increased by 30%, and the anti-sliding ability is improved.

[0013] Further, a sliding sleeve is embedded and mounted in the inner wall of the support, a guide rod connected with the clamping sleeve is slidingly inserted into the inner wall of the sliding sleeve, and a pull handle is arranged at one end of the guide rod.

[0014] Specifically, the sleeve plate can be moved horizontally by pulling the pull handle, and the cooperation accuracy of the guide rod and the sliding sleeve reaches ±0.1mm, so as to ensure the linear stability of the movement of the sleeve plate.

[0015] Further, through holes corresponding to the inner wall and the outer wall of the sealing gasket and the clamping sleeve are formed in the inner wall of the sealing gasket and the clamping sleeve.

[0016] Specifically, the through holes reduce the weight of the structure by 15% while maintaining the mechanical strength, increase the airflow channel, and reduce the temperature of the contact surface of the mainboard.

[0017] Further, a rotating shaft is inserted into the inner wall of the pressing block, and a pull handle is arranged at the upper end of the rotating shaft.

[0018] Specifically, the pressing block can be released by rotating the pull handle by 90°, and the longitudinal locking of the mainboard is released.

[0019] Further, a limiting ring is arranged at the upper end of the spring II, a stroke rod is penetratingly mounted in the inner wall of the limiting ring, a rotating seat is arranged at the upper end of the stroke rod, and the lower end of the rotating shaft is rotatingly inserted into the inner wall of the rotating seat.

[0020] Specifically, the rotating seat provides conditions for the rotation of the rotating shaft, drives the rotation of the pressing block, limits the compression stroke of the spring I and guides the spring II, and ensures the uniformity of the clamping force of the four sides.

[0021] 2. Beneficial effects

[0022] Compared with the prior art, the display device has the advantages that

[0023] The utility model discloses, the mainboard is installed in the display device installation cavity inside, and the bottom is supported through the installation cylinder, and the mainboard is clamped through the elastic installation's pressure block, realizes the installation of mainboard.

[0024] Meanwhile, the side of mainboard is sleeved through the sleeve, and the sleeve is supported by spring one, so that the sleeve is convenient to install, and the side of mainboard is limited, avoiding the situation that the screw installation is loose, and the safety and stability of mainboard after installation are improved.

[0025] Of course, any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0027] Figure 1 It is the overhead perspective structure schematic diagram of the utility model's anti-drop structure;

[0028] Figure 2 It is the overhead perspective structure schematic diagram of the utility model's anti-drop structure;

[0029] Figure 3 It is the overhead perspective structure schematic diagram of the utility model's sleeve and sealing pad;

[0030] Figure 4 It is the sleeve main sectional perspective structure schematic diagram of the utility model;

[0031] Figure 5 It is the installation cylinder main sectional perspective structure schematic diagram of the utility model.

[0032] In the drawing, the component list represented by each sign is as follows:

[0033] 100, display device installation cavity;

[0034] 200, mainboard;

[0035] 300, anti-drop structure;301, sleeve;302, support;303, guide rod;304, sealing pad;305, through hole;306, taper surface;307, pull handle;308, sliding sleeve;309, spring one;

[0036] 400, positioning structure; 401, mounting cylinder; 402, stroke groove; 403, pressing block; 404, pull rod; 405, spring two; 406, stroke rod; 407, limiting ring; 408, rotating seat; 409, clamping groove; 410, rotating shaft. DETAILED DESCRIPTION

[0037] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0038] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in other ways that are not consistent with the details described herein without departing from the spirit and scope of the present application, and those skilled in the art can make similar extensions without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0039] Secondly, the present application is described in detail in combination with the schematic diagram, and in the detailed description of the embodiments of the present application, the cross-sectional view of the device structure will be partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0040] In order to make the purposes, technical solutions and advantages of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0041] Example 1

[0042] Please refer to Figures 1-5 The present embodiment is a display driving mainboard against falling off, which comprises a display mounting cavity 100 and a mainboard 200,

[0043] The anti-falling structure 300 comprises four supports 302 fixed to the inner wall of the lower end of the display mounting cavity 100 and located outside the mainboard 200, a spring one 309 located at one end of the support 302, a sleeve plate fixed to one end of the spring one 309 and sleeved with the side of the mainboard 200, and a sealing gasket 304 embedded and mounted in the inner wall of the sleeve plate.

[0044] The inner wall of the sealing gasket 304 is provided with a tapered surface 306, and the distance between the tapered surface 306 and the inner wall gradually decreases from the opening;

[0045] The support 302 is embedded and mounted with a sliding sleeve 308, the sliding sleeve 308 is slidably connected with a guide rod 303 connected with the clamping sleeve 301, and the guide rod 303 is provided with a pull handle 307 at one end.

[0046] The sealing gasket 304 and the inside of the sleeve 301 are both provided with through holes 305 corresponding to the inner wall and the outer wall of the sealing gasket 304 and the sleeve 301;

[0047] The use of the anti-falling structure 300 is performed;

[0048] The main board 200 is placed into the display mounting cavity 100, the pull handle 307 is gripped to drive the guide rod 303 to slide inside the sliding sleeve 308, to drive the sleeve plate to move, the sleeve plate pressurizes the spring 309, the sleeve plate is inwards contracted under the action of the spring 309, the conical surface 306 sealing gasket 304 is self-adapting clamping four sides of the main board 200, the sleeve plate is inhibited displacement through the friction damping of the conical surface 306, the through hole 305 is designed to take into account heat dissipation and light weight, in the high-frequency vibration scene of the display, the use is stable, the screw fixing is completely cancelled, and the loosening problem caused by vibration or improper installation is avoided.

[0049] Embodiment 2

[0050] Please refer to Figures 1-5 The embodiment is based on the embodiment 1 and further includes;

[0051] And;

[0052] The positioning structure 400 includes the mounting cylinder 401 fixedly arranged in the inner wall of the lower end of the display driving main board 200 and located below the four corners of the main board 200, the spring 405 fixedly arranged in the inner wall of the lower end of the mounting cylinder 401, the clamping groove 409 and the stroke groove 402 provided in the inside of the main board 200 and distributed in cross, and the pressing block 403 located in the inside of the clamping groove 409.

[0053] The inside of the pressing block 403 is inserted with the rotating shaft 410, and the upper end of the rotating shaft 410 is provided with the pull rod 404;

[0054] The upper end of the spring 405 is provided with the limiting ring 407, the inside of the limiting ring 407 is penetrated with the stroke rod 406, the upper end of the stroke rod 406 is provided with the rotating seat 408, and the lower end of the rotating shaft 410 is rotatably inserted into the inside of the rotating seat 408;

[0055] The use of the positioning structure 400 is performed;

[0056] After the mainboard 200 is put into the display mounting cavity 100, the bottom four corners correspond to the mounting cylinder 401, the position of the adjusting pull rod 404 is rotated, the pull rod 404 corresponds to the stroke groove 402 of the pressing block 403, the stroke groove 402 is sleeved through the pull rod 404 and the pressing block 403, the pressing block 403 corresponds to the clamping groove 409, when the spring two 405 is pulled, the spring two 405 is pulled and stretched, and the clamping block is rotated by 90°, the clamping block corresponds to the clamping groove 409, the pull rod 404 is relaxed, the clamping block is driven to be located in the clamping groove 409 by the elastic supporting force of the spring two 405, the four corners of the mainboard 200 are supported, without screwing, the mainboard 200 installation time is reduced from 3 minutes to 50 seconds, the mainboard 200 installation time is shortened by 70%, the pull rod 404 is pulled to drive the pressing block 403 to lift and rotate by 90° corresponding to the stroke groove 402, the locking of the mainboard 200 is released, the mainboard 200 can be quickly taken out, the modular design makes the mainboard 200 replacement efficiency improved by 60%, and the maintenance man-hour is reduced by 40%.

[0057] In the description of the present application, it should be further pointed out that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0058] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fall-preventing display driver main board, characterized by: The display mounting cavity (100) and the mainboard (200), The anti-falling structure (300) includes four supports (302) fixed in the inner wall of the lower end of the display mounting cavity (100) and located outside the mainboard (200), a spring I (309) located at one end of the support (302), a sleeve plate fixed at one end of the spring I (309) and sleeved on the side of the mainboard (200), and a sealing gasket (304) embedded and installed in the inner wall of the sleeve plate. And The positioning structure (400) includes a mounting cylinder (401) fixed in the inner wall of the lower end of the display driving mainboard (200) and located at the four corners below the mainboard (200), a spring II (405) fixed in the inner wall of the lower end of the mounting cylinder (401), a clamping groove (409) and a stroke groove (402) opened in the mainboard (200) and distributed in a cross shape, and a pressing block (403) located in the clamping groove (409).

2. The anti-dropping display driver mainboard according to claim 1, wherein: The inner wall of the sealing gasket (304) is provided with a tapered surface (306), and the tapered surface (306) gradually decreases in distance from the opening to the inner wall.

3. The display driver mainboard of claim 1, wherein: The support (302) is embedded with a sliding sleeve (308), the sliding sleeve (308) is slidably connected with a guide rod (303) connected with the clamping sleeve (301), and the guide rod (303) is provided with a pull handle (307) at one end.

4. The display driving mainboard of claim 1, wherein: The sealing gasket (304) and the clamping sleeve (301) are both provided with through holes (305) penetrating the inner and outer walls and corresponding to each other.

5. The display driver mainboard of claim 1, wherein: The pressing block (403) is inserted with a rotating shaft (410), and the rotating shaft (410) is provided with a pull rod (404) at the upper end.

6. The display driver mainboard of claim 5, wherein: The upper end of the spring II (405) is provided with a limiting ring (407), the limiting ring (407) is provided with a stroke rod (406) penetratingly installed therein, the upper end of the stroke rod (406) is provided with a rotating seat (408), and the lower end of the rotating shaft (410) is rotatably inserted into the rotating seat (408).

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