LED screen mounting and positioning mechanism

Abstract

The utility model discloses an LED screen installing and positioning mechanism which comprises a supporting frame and a synchronous driving unit. Uniformly distributed LED display screens are magnetically attracted to the middle of the supporting frame, an upper pressing frame is slidably connected to the upper end of the supporting frame, the LED display screens are all located below the upper pressing frame, a side pressing frame is slidably connected to the left end of the supporting frame, and the LED display screens are all located on the right side of the side pressing frame; and the synchronous driving unit is used for synchronously driving the upper pressing frame and the side pressing frame, the lower end of the synchronous driving unit is provided with an inner threaded pipe, the lower end of the inner threaded pipe is in threaded connection with a threaded rod, and the lower end of the threaded rod is rotationally connected with the supporting frame. The upper frame and the left frame can move synchronously to squeeze and position the LED display screen in the supporting frame, the LED display screen is convenient to install and position, and meanwhile it can be guaranteed that the whole LED display screen has good display quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED display screen technical field, concretely is a kind of LED screen installation positioning mechanism. BACKGROUND

[0002] With the continuous progress of technology and the sustained growth of market demand, LED display screen is widely applied in modern society because of its high brightness, long service life, low power consumption, rich color performance and wide viewing angle, and becomes an important tool for modern information dissemination and visual display, and large-size LED display screen is generally composed of multiple LED display screens, and an outer frame is made before installation, which is usually assembled by cutting profiles, and magnets are installed on the back of the LED display screen to magnetically attract the back strip of the outer frame, thereby completing the fixation of the LED display screen, in order to facilitate the installation of the LED display screen, the size of the inner frame is slightly larger than the overall size of the multiple LED display screens, and when connected only by magnetic attraction, the outer ring has a gap, and the positioning effect is general, the LED display screen can move inside the frame, and after displacement, the gap between the screens can be increased, thereby affecting the overall display quality. SUMMARY

[0003] The utility model solves the technical problems of overcoming the defects of the prior art, and provides an LED screen installation positioning mechanism, the upper frame and the left frame of which can be synchronously moved to tightly position the LED display screens inside the support frame, the installation and positioning of the LED display screens are facilitated, and the overall display quality of the LED display screen is ensured, so that the problems in the background art can be effectively solved.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an LED screen installation positioning mechanism, comprising a support frame and a synchronous driving unit.

[0005] The support frame has uniformly distributed LED display screens magnetically attracted in the middle part, an upper pressing frame is slidably connected to the upper end of the support frame, and the multiple LED display screens are located below the upper pressing frame, a side pressing frame is slidably connected to the left end of the support frame, and the multiple LED display screens are located to the right of the side pressing frame.

[0006] The synchronous driving unit is used for synchronous driving of the upper pressing frame and the side pressing frame, the lower end of the synchronous driving unit is provided with an internally threaded pipe, the lower end of the internally threaded pipe is threadedly connected with a screw rod, the lower end of the screw rod is rotatably connected with the support frame, and an adjustable pressing frame structure is arranged above and to the left of the LED screen fixation frame, the upper pressing frame and the side pressing frame can be driven to approach the LED display screens by rotating the screw rod, the LED display screens are pressed tightly, the installation and positioning of the multiple LED display screens are realized, the loose displacement of the LED display screens during use is avoided, the overall display quality of the LED screen is ensured, and the installation convenience is good.

[0007] Further, the synchronous driving unit comprises a pull rod, a rotating shaft, a connecting arm, an upper pull rod, a slide column one, a side pull rod and a slide column two, the lower end of the pull rod is fixedly connected with the upper end of the inner threaded pipe, the upper end of the front side of the pull rod is provided with the rotating shaft, the rotating shaft is rotationally connected with the middle part of the connecting arm, the upper pull rod is arranged on the lower surface of the upper pressing frame, the lower end of the rear side of the upper pull rod is provided with the slide column one, the slide column one is slidably connected with the long slide hole one at the upper end of the connecting arm, the side pull rod is arranged on the right side of the side pressing frame, the right end of the rear side of the side pull rod is provided with the slide column two, and the slide column two is slidably connected with the long slide hole two at the lower end of the connecting arm, so that the synchronous control of the upper pressing frame and the side pressing frame is facilitated.

[0008] Further, the middle part of the supporting frame is provided with a positioning seat, the pull rod is slidably connected with the positioning seat, the left side of the front side of the supporting frame is provided with symmetrically distributed positioning strips, the two positioning strips are located on the upper and lower sides of the side pull rod respectively, the middle part of the supporting frame is provided with a positioning frame, and the positioning frame is slidably connected with the upper pull rod, so that the pull rod, the side pull rod and the positioning frame are provided with movement guidance.

[0009] Further, the lower end of the screw rod is provided with an inner hexagonal sleeve, so that the rotation of the screw rod is facilitated.

[0010] Further, the middle part of the outer arc surface of the screw rod is provided with a clamping spring, and the clamping spring is located above the bottom wall of the supporting frame, so that the positioning of the screw rod is facilitated.

[0011] Further, the front side of the upper end of the supporting frame is provided with symmetrically distributed upper dovetail sliding blocks, the two upper dovetail sliding blocks are slidably connected with the upper pressing frame, the front side of the left end of the supporting frame is provided with symmetrically distributed side dovetail sliding blocks, and the two side dovetail sliding blocks are slidably connected with the side pressing frame, so that the upper pressing frame and the side pressing frame are provided with movement guidance.

[0012] Further, the four corners of the rear side of the LED display screen are provided with magnets, and the plurality of magnets are magnetically adsorbed with the supporting frame, so that the installation of the LED display screen is facilitated.

[0013] Compared with the prior art, the LED screen mounting and positioning mechanism has the following advantages:

[0014] The movable pressing frame structure is arranged above and on the left side of the LED screen fixing frame, the upper pressing frame and the side pressing frame can be driven to approach the LED display screen synchronously by rotating the screw rod, the LED display screen is pressed tightly, the mounting and positioning of the plurality of LED display screens are realized, the loose displacement of the LED display screen in use is avoided, the overall LED screen has good display quality, and the installation convenience is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2The utility model discloses a cross section structure schematic diagram of synchronous drive unit;

[0017] Figure 3 The utility model discloses a structure schematic diagram of amplification of A place;

[0018] Figure 4 The utility model discloses a structure schematic diagram of amplification of B place;

[0019] Figure 5 The utility model discloses a structure schematic diagram of support frame.

[0020] In the drawing: 1 support frame, 2 LED display screen, 3 upper pressing frame, 4 side pressing frame, 5 synchronous drive unit, 51 pull rod, 52 rotating shaft, 53 connecting arm, 54 upper pull rod, 55 slide column one, 56 side pull rod, 57 slide column two, 6 positioning seat, 7 positioning strip, 8 positioning frame, 9 inner thread pipe, 10 screw rod, 11 inner hexagonal sleeve, 12 clamp spring, 13 magnet, 14 upper swallow-tail sliding block, 15 side swallow-tail sliding block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model discloses a technical scheme: a LED screen installation positioning mechanism, including support frame 1 and synchronous drive unit 5.

[0023] Support frame 1: the middle of which is magnetically adsorbed with uniformly distributed LED display screen 2, support frame 1 provides support for LED display screen 2, the upper end of support frame 1 is slidably connected with upper pressing frame 3, multiple LED display screens 2 are all located below upper pressing frame 3, and upper pressing frame 3 is lowered to compact and position LED display screen 2, the left end of support frame 1 is slidably connected with side pressing frame 4, multiple LED display screens 2 are all located to the right of side pressing frame 4, the front side of the upper end of support frame 1 is provided with symmetrically distributed upper dovetail sliding blocks 14, the two upper dovetail sliding blocks 14 are all slidably connected with upper pressing frame 3, and the upper dovetail sliding blocks 14 provide sliding guidance for upper pressing frame 3, the front side of the left end of support frame 1 is provided with symmetrically distributed side dovetail sliding blocks 15, the two side dovetail sliding blocks 15 are all slidably connected with side pressing frame 4, and the side dovetail sliding blocks 15 provide sliding guidance for side pressing frame 4, side pressing frame 4 is moved to the right to compact LED display screen 2, and the four corners of the rear side of LED display screen 2 are all provided with magnets 13, multiple magnets 13 are all magnetically adsorbed with support frame 1, multiple LED display screens 2 are magnetically adsorbed with support frame 1 through magnets 13, the number of LED display screens 2 can be freely set according to the size of the assembled screen, and the number of LED display screens 2 is preferably greater than four, and there are four magnets 13 on one LED display screen 2;

[0024] Synchronous drive unit 5: for the synchronous drive of upper pressing frame 3 and side pressing frame 4, the lower end of synchronous drive unit 5 is provided with an internally threaded tube 9, the lower end of internally threaded tube 9 is threadedly connected with a screw rod 10, the lower end of screw rod 10 is rotationally connected with support frame 1, screw rod 10 drives internally threaded tube 9 to move downward, synchronous drive unit 5 comprises a pull rod 51, a rotating shaft 52, a connecting arm 53, an upper pull rod 54, a sliding column one 55, a side pull rod 56 and a sliding column two 57, the lower end of pull rod 51 is fixedly connected with the upper end of internally threaded tube 9, the upper end of the front side of pull rod 51 is provided with rotating shaft 52, rotating shaft 52 is rotationally connected with the middle part of connecting arm 53, pull rod 51 drives connecting arm 53 to move downward through rotating shaft 52, connecting arm 53 is obliquely arranged upward from left to right, upper pull rod 54 is arranged on the lower surface of upper pressing frame 3, the lower end of the rear side of upper pull rod 54 is provided with sliding column one 55, sliding column one 55 is slidingly connected with the long sliding hole one at the upper end of connecting arm 53, connecting arm 53 drives upper pull rod 54 to move downward through sliding column one 55, upper pull rod 54 drives upper pressing frame 3 to move downward, side pull rod 56 is arranged on the right side of side pressing frame 4, the right end of the rear side of side pull rod 56 is provided with sliding column two 57, sliding column two 57 is slidingly connected with the long sliding hole two at the lower end of connecting arm 53, when pressing frame 3 is not moving, rotating shaft 52 which continues to move downward will drive connecting arm 53 to rotate counterclockwise around rotating shaft 52 under the action of stationary sliding column one 55, connecting arm 53 will push sliding column two 57 to the right, sliding column two 57 drives side pull rod 56 to move rightward, the middle part of support frame 1 is provided with a positioning seat 6, pull rod 51 is slidingly connected with positioning seat 6, internally threaded tube 9 drives pull rod 51 to move downward along positioning seat 6, the left side of the front side of support frame 1 is provided with symmetrically distributed positioning strips 7, two positioning strips 7 are respectively located on the upper and lower sides of side pull rod 56, positioning strips 7 provide sliding positioning for side pull rod 56, the middle part of support frame 1 is provided with a positioning bracket 8, positioning bracket 8 is slidingly connected with upper pull rod 54, positioning bracket 8 provides sliding guide for upper pull rod 54, the lower end of screw rod 10 is provided with an internal hexagonal sleeve 11, an internal hexagonal wrench is inserted into the internal hexagonal sleeve 11 to rotate screw rod 10, the middle part of the outer arc surface of screw rod 10 is provided with a clamping spring 12, clamping spring 12 is located above the bottom wall of support frame 1, clamping spring 12 positions screw rod 10.

[0025] The working principle of the LED screen mounting and positioning mechanism is as follows: when in use, the plurality of LED display screens 2 are magnetically adsorbed to the support frame 1 through the magnets 13, the lower right corners of the LED display screens 2 and the support frame 1 are aligned, after the plurality of LED display screens 2 are arranged, the inner hexagonal wrench is inserted into the inner hexagonal sleeve 11 to rotate the screw rod 10, the screw rod 10 drives the inner threaded pipe 9 to move downward, the inner threaded pipe 9 drives the pull rod 51 to move downward along the positioning seat 6, the pull rod 51 drives the connecting arm 53 to move downward through the rotating shaft 52, the connecting arm 53 is obliquely arranged upward from left to right, the connecting arm 53 drives the upper pull rod 54 to move downward through the slide column one 55, the upper pull rod 54 drives the upper pressing frame 3 to move downward to press and position the LED display screen 2, when the pressing frame 3 is not moving, the rotating shaft 52 which continues to move downward will drive the connecting arm 53 to rotate counterclockwise around the rotating shaft 52 under the action of the stationary slide column one 55, the connecting arm 53 will push the slide column two 57 to the right, the slide column two 57 drives the side pressing frame 4 to move right through the side pull rod 56 to press the LED display screen 2, and then the mounting and positioning of the LED display screen 2 are completed.

[0026] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. An LED screen mounting positioning mechanism, characterized in that: It comprises a support frame (1) and a synchronous driving unit (5); The support frame (1) is characterized in that a plurality of LED display screens (2) are evenly distributed and magnetically adsorbed in the middle of the support frame (1), the upper end of the support frame (1) is slidably connected with an upper pressing frame (3), the plurality of LED display screens (2) are all located below the upper pressing frame (3), the left end of the support frame (1) is slidably connected with a side pressing frame (4), and the plurality of LED display screens (2) are all located to the right of the side pressing frame (4). The synchronous driving unit (5) is characterized in that the lower end of the synchronous driving unit (5) is provided with an internally threaded pipe (9), the lower end of the internally threaded pipe (9) is threadedly connected with a screw rod (10), and the lower end of the screw rod (10) is rotatably connected with the support frame (1).

2. The LED screen mounting positioning mechanism of claim 1, wherein: The synchronous driving unit (5) comprises a pull rod (51), a rotating shaft (52), a connecting arm (53), an upper pull rod (54), a sliding column I (55), a side pull rod (56) and a sliding column II (57), the lower end of the pull rod (51) is fixedly connected with the upper end of the internally threaded pipe (9), the upper end of the front side of the pull rod (51) is provided with the rotating shaft (52), the rotating shaft (52) is rotatably connected with the middle of the connecting arm (53), the upper pull rod (54) is arranged on the lower surface of the upper pressing frame (3), the lower end of the rear side of the upper pull rod (54) is provided with the sliding column I (55), the sliding column I (55) is slidably connected with the long sliding hole I at the upper end of the connecting arm (53), the side pull rod (56) is arranged on the right side of the side pressing frame (4), the right end of the rear side of the side pull rod (56) is provided with the sliding column II (57), and the sliding column II (57) is slidably connected with the long sliding hole II at the lower end of the connecting arm (53).

3. The LED screen mounting positioning mechanism of claim 2, wherein: The middle of the support frame (1) is provided with a positioning seat (6), the pull rod (51) is slidably connected with the positioning seat (6), the left side of the front side of the support frame (1) is provided with symmetrically distributed positioning strips (7), the two positioning strips (7) are respectively located on the upper and lower sides of the side pull rod (56), and the middle of the support frame (1) is provided with a positioning frame (8), the positioning frame (8) is slidably connected with the upper pull rod (54).

4. The LED screen mounting positioning mechanism of claim 1, wherein: The lower end of the screw rod (10) is provided with an internal hexagonal sleeve (11).

5. The LED screen mounting positioning mechanism of claim 1, wherein: The middle of the outer arc surface of the screw rod (10) is provided with a clamping spring (12), and the clamping spring (12) is located above the bottom wall of the support frame (1).

6. The LED screen mounting positioning mechanism of claim 1, wherein: The front side of the upper end of the support frame (1) is provided with symmetrically distributed upper swallow-tail sliding blocks (14), the two upper swallow-tail sliding blocks (14) are all slidably connected with the upper pressing frame (3), the front side of the left end of the support frame (1) is provided with symmetrically distributed side swallow-tail sliding blocks (15), and the two side swallow-tail sliding blocks (15) are all slidably connected with the side pressing frame (4).

7. The LED screen mounting positioning mechanism of claim 1, wherein: The four corners of the rear side of the LED display screen (2) are all provided with magnets (13), and the plurality of magnets (13) are all magnetically adsorbed with the support frame (1).

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