CN220490973U

CN220490973U - Adjustable LED aging rack

Info

Publication number: CN220490973U
Application number: CN202322060263.9U
Authority: CN
Inventors: 黄大海; 刘海样; 石建功
Original assignee: Huizhou Mairui Photoelectric Co ltd
Current assignee: Huizhou Mairui Photoelectric Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-02-13
Anticipated expiration: 2033-08-01

Abstract

The utility model discloses an adjustable LED aging rack, which belongs to the technical field of LED aging tests, and mainly adopts the technical scheme that the adjustable LED aging rack comprises a main frame and a plurality of movable brackets, wherein the movable brackets are connected to the main frame in a sliding manner; the movable support comprises a support beam and at least two clamping assemblies, wherein a connecting groove is formed in the support beam, the clamping assemblies comprise clamping pieces and locking pieces, the locking pieces are arranged on the clamping pieces, and the locking pieces are connected in the connecting groove and used for locking the clamping pieces at different positions of the connecting groove. According to the utility model, the movable support capable of sliding relative to the main frame and the adjustable clamping assembly are arranged, so that the problems of large occupied space and inconvenient storage of the traditional LED ageing rack are solved, and the LED ageing rack can be suitable for testing work of LED modules with various sizes.

Description

Adjustable LED aging rack

Technical Field

The utility model relates to the technical field of LED aging tests, in particular to an adjustable LED aging rack.

Background

LED burn-in is a test that runs continuously on LED (Light Emitting Diode ) products, intended to simulate the life and stability of LEDs in actual use. The LED aging test is used for observing the performance change of the LED at different time points by enabling the LED to be in a working state in a certain time so as to evaluate the service life and the reliability of the LED.

In the process of carrying out aging test on LEDs, the LED modules are required to be placed on a support frame in a concentrated mode, and the support frame is called an LED aging frame and is convenient for assembly line operations such as debugging and inspection.

For example, chinese patent document with the publication number CN212658743U discloses an ageing rack for LED modules, which comprises at least two supporting crossbearers, wherein the back side of each supporting crossbearer is provided with at least two fixing seats capable of being fixed on a supporting vertical rod, each supporting crossbearer fixed on the supporting vertical rod is arranged in parallel, each supporting crossbearer comprises a U-shaped strip groove with a backward opening, the U-shaped strip groove comprises an upper supporting edge and a lower supporting edge, the free end side edge of the upper supporting edge forms an upper flange upwards, the free end side edge of the lower supporting edge forms a lower flange downwards, the bottom surface of the lower supporting edge is provided with a plurality of groups of elastic pressing sheet groups for fixing the LED modules, each elastic pressing sheet group comprises two elastic pressing sheets which are respectively opened downwards and outwards in an inclined manner, the LED modules are arranged between the two supporting crossbearers, and the top edge of each LED module is positioned by being pressed downwards by the elastic pressing sheet groups. The ageing rack can clamp the LED module.

However, the conventional LED burn-in frame similar to the above technology has the following problems in many cases: the ageing rack occupies a large space, so that the ageing rack is inconvenient to install and store and inconvenient to move; furthermore, the space for accommodating the LED modules is generally determined, and thus is not suitable for testing work of LED modules of different sizes.

In view of this, improvements to existing LED burn-in fixtures are needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an adjustable LED aging rack, which solves the problems of large occupied space and inconvenient storage of the existing LED aging rack and enables the LED aging rack to be suitable for testing work of LED modules with various sizes.

The utility model discloses an adjustable LED aging rack which comprises a main frame and a plurality of movable brackets, wherein the movable brackets are connected to the main frame in a sliding manner; the movable support comprises a support beam and at least two clamping assemblies, wherein a connecting groove is formed in the support beam, the clamping assemblies comprise clamping pieces and locking pieces, the locking pieces are arranged on the clamping pieces, and the locking pieces are connected in the connecting groove and used for locking the clamping pieces at different positions of the connecting groove.

Preferably, the locking member includes a screw portion and a rotating portion, the rotating portion being mounted on the screw portion; the clamping piece is provided with a connecting hole, the screw rod part penetrates through the connecting hole, and the screw rod part is in threaded connection in the connecting groove.

Preferably, the connecting groove is vertically arranged, the clamping assembly comprises a locking plate, the locking plate is connected to the clamping piece, and an upper clamping groove and a lower clamping groove are formed between the locking plate and the clamping piece.

Preferably, the main frame includes a plurality of support beams and guide rails, the guide rails are mounted on the support beams, and the moving bracket is slidably connected to the guide rails.

Preferably, the guide rail includes upper guide plates disposed in pairs and lower guide plates disposed in pairs, and the moving bracket is interposed between the two upper guide plates in pairs and between the two lower guide plates in pairs.

Preferably, a plurality of supporting beams form a cuboid frame structure, corner positions between the supporting beams are provided with corner codes, and the corner codes are respectively connected with two supporting beams adjacent to the corner positions.

Preferably, the main frame comprises a support member comprising a support foot cup and a support screw, the support screw is mounted on the support beam, and the support foot cup is in threaded connection with the support screw.

Preferably, the support beam and the bracket beam are both made of aluminum profiles.

Preferably, the mobile carriage comprises casters mounted on the carriage beam and supported on the ground.

Preferably, the mobile carriage comprises a backing plate mounted on the carriage beam.

The working principle of the utility model is as follows:

by adopting the movable bracket capable of sliding relatively relative to the main frame, the movable bracket can be conveniently pulled out and retracted into the main frame, so that when an operator needs to place the LED display module, the movable bracket is pulled out from the main frame, and after the placement is finished, the movable bracket is pushed into the main frame again; the distance between adjacent clamping assemblies on the movable support can be changed by rotating the locking piece, so that the movable support is suitable for clamping LED display modules with different sizes.

The utility model has the beneficial effects that:

the LED ageing rack can be conveniently stored and saves occupied space when in use, can be selectively supported on the ground through the supporting piece or the ground through the truckles according to the needs, is more convenient to move or fix, and can be suitable for testing work of LED display modules with various sizes by arranging the adjustable clamping assembly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic view of the whole structure of the present utility model, wherein a movable bracket is in an extracted state;

FIG. 2 is a schematic structural view of a support;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A to illustrate the structure of the support beam and clamping assembly;

FIG. 4 is an exploded view of the clamping assembly;

fig. 5 is a schematic diagram of the whole structure of the present utility model, in which the movable support is in a retracted state.

Reference numerals illustrate: 01. an LED display module; 1. a main frame; 11. a support beam; 111. an angle code; 12. a support; 121. a supporting leg cup; 122. a support screw; 13. a guide rail; 131. an upper guide plate; 132. a lower guide plate; 2. a movable support; 21. a support beam; 211. a connecting groove; 22. a backing plate; 23. clamping the assembly; 2301. an upper clamping groove; 2302. a lower clamping groove; 231. a clamping member; 2311. a connection hole; 232. a locking plate; 2321. a locking hole; 233. a locking member; 2331. a screw portion; 2332. a rotating part; 24. casters.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the sake of simplicity of the drawing, some well-known and conventional structures and elements are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indications such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture such as that shown in the drawings, and if the particular posture is changed, the directional indication is changed accordingly.

In addition, the descriptions of the "first", "second", etc. in this application are for descriptive purposes only and are not intended to specifically indicate a sequential or a cis-position, nor are they intended to limit the utility model, but are merely intended to distinguish between components or operations described in the same technical term, and are not to be construed as indicating or implying a relative importance or implying that the number of technical features indicated is not necessarily limited. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:

referring to fig. 1-5, the adjustable LED aging rack disclosed by the utility model comprises a main frame 1 and a plurality of movable brackets 2, wherein the main frame 1 comprises a plurality of supporting beams 11 which are arranged transversely, longitudinally and vertically, a supporting piece 12 and a guide rail 13, the supporting beams 11 are mutually connected and fixed to form a cuboid frame structure, and the supporting beams 11 are made of aluminum profiles, so that the adjustable LED aging rack is light in material, good in strength and more convenient to disassemble and assemble; and an angle code 111 is arranged between two adjacent supporting beams 11 at the corner of the main frame 1, and the angle code 111 is respectively fixed on the two adjacent supporting beams 11 and is used for improving the structural strength of the main frame 1.

Referring to fig. 1 to 5, the supporting pieces 12 are installed on the supporting beam 11 at the bottom of the main frame 1, in this embodiment, four supporting pieces 12 are provided at four corners of the bottom of the main frame 1, respectively, the supporting pieces 12 include supporting leg cups 121 and supporting screws 122, the supporting screws 122 are fixedly connected with the corner pieces 111 or the supporting beam 11, the supporting leg cups 121 are rotatably connected to the supporting screws 122, and the supporting leg cups 121 are fastened to the ground, so that the supporting leg cups 121 support the main frame 1 above the supporting leg cups 121 on the ground, and the height of the main frame 1 above the supporting leg cups 121 above the ground can be adjusted by rotating the supporting leg cups 121.

Referring to fig. 1 to 5, the guide rail 13 includes a plurality of upper guide plates 131 arranged in pairs, and also includes a plurality of lower guide plates 132 arranged in pairs, the upper guide plates 131 and the lower guide plates 132 are elongated plates, and the upper guide plates 131 and the lower guide plates 132 are arranged vertically, both ends of the upper guide plates 131 are respectively fixed on two support beams 11 arranged opposite to each other at the upper part of the main frame 1, both ends of the lower guide plates 132 are respectively fixed on two support beams 11 arranged opposite to each other at the lower part of the main frame 1, and a gap is provided between the two upper guide plates 131 in pairs or the two lower guide plates 132 in pairs for mounting the moving bracket 2; further, a set of paired upper guide plates 131 is provided directly above each set of paired lower guide plates 132.

Referring to fig. 1 to 5, each of the moving brackets 2 includes a plurality of bracket beams 21 disposed horizontally, longitudinally and vertically, and further includes a pad 22, a clamping assembly 23 and casters 24, wherein the plurality of bracket beams 21 are fixedly connected to each other to form a rectangular frame structure, which is integrally flat and interposed between two paired lower guide plates 132, and between paired upper guide plates 131 corresponding to the right above the paired lower guide plates 132, so that the lower guide plates 132 and the upper guide plates 131 can define the moving direction of the moving brackets 2; the plurality of moving brackets 2 are respectively inserted into different pairs of upper guide plates 131 or pairs of lower guide plates 132; the support beam 21 is also made of aluminum profiles, and has the advantages of light weight, good strength and convenient assembly and disassembly.

Referring to fig. 1 to 5, the pad 22 is a rectangular plate, the pad 22 is horizontally disposed, and an edge of the pad 22 is fixed on the support beam 21 for placing a device for testing the LED display module; the connecting groove 211 is formed in the vertically arranged support beam 21 on the movable support 2, the connecting groove 211 is a groove, the connecting groove 211 is arranged along the length direction of the vertical support beam 21 and is used for installing the clamping assembly 23, and the opening of the connecting groove 211 faces the outer side of the movable support 2.

Referring to fig. 1 to 5, the clamping assemblies 23 are provided in plurality, each clamping assembly 23 includes a clamping member 231, a locking plate 232 and a locking member 233, wherein the clamping member 231 has a long rod-shaped structure, a plurality of connection holes 2311 are formed in the clamping member 231, and the connection holes 2311 are through holes; the locking plate 232 is a long plate with the same length as the clamping piece 231, the locking plate 232 is attached to the clamping piece 231, a concave upper clamping groove 2301 and a concave lower clamping groove 2302 are formed between the locking plate 232 and the clamping piece 231, and the upper clamping groove 2301 and the lower clamping groove 2302 are all arranged along the length direction of the clamping piece 231 and are used for clamping the LED display module.

Referring to fig. 1 to 5, the surface of the locking plate 232 is provided with a locking hole 2321, the locking hole 2321 is a through hole, each of the connection holes 2311 is provided with a locking hole 2321 corresponding to the locking hole 2321, and the corresponding connection holes 2311 and 2321 correspond to the connection grooves 211 on the bracket beam 21; each corresponding locking hole 2321 and each corresponding connecting hole 2311 are internally provided with a locking piece 233 in a penetrating manner, each locking piece 233 comprises a screw rod portion 2331 and a rotating portion 2332, each rotating portion 2332 is fixed at one end of each screw rod portion 2331, the other end of each screw rod portion 2331 penetrates through each locking hole 2321 and each connecting hole 2311 and then is in threaded connection with each connecting groove 211 on the corresponding support beam 21, the clamping assembly 23 can be integrally locked with the corresponding support beam 21 or the locking between the clamping assembly 23 and the corresponding support beam 21 can be released through the corresponding manual rotating portion 2332, and therefore the position of the clamping assembly 23 can be adjusted up and down, the distance between the clamping assemblies 23 adjacent up and down can be changed, and the LED display modules with different sizes can be clamped.

Referring to fig. 1 to 5, casters 24 are installed on a support beam 21 at the bottom of a mobile support 2, in this embodiment, the casters 24 are provided in plurality, the plurality of casters 24 integrally support the mobile support 2 on the ground, and enable the mobile support 2 to slide along a direction defined by an upper guide plate 131 and a lower guide plate 132, when an article needs to be placed on the mobile support 2, the mobile support 2 is drawn out from a main frame 1, and after placement, the mobile support 2 can be inserted into the main frame 1 along the upper guide plate 131 and the lower guide plate 132, thereby facilitating an operator to store and expand the mobile support 2 integrally, and solving the problem that an aging rack occupies too much space; in addition, by rotating the support leg cup 121 and changing the height of the main frame 1, the support leg cup 121 for the whole apparatus can be selectively supported on the ground, or the caster 24 for the whole apparatus can be selectively supported on the ground, thereby making the position of the whole apparatus more stable, or facilitating the movement of the whole apparatus.

The utility model has the implementation principle and beneficial effects that the movable bracket 2 which can slide relatively to the main frame 1 is adopted, so that the movable bracket 2 can be conveniently pulled out and retracted into the main frame 1, when an operator needs to place the LED display module, the movable bracket 2 is pulled out of the main frame 1, and after the placement is finished, the movable bracket 2 is pushed into the main frame 1 again; the distance between the adjacent clamping assemblies 23 on the movable support 2 can be changed by rotating the locking piece 233, so that the movable support is suitable for clamping LED display modules with different sizes;

therefore, the LED aging rack can be conveniently stored and saves occupied space when in use, and the whole equipment can be selectively supported on the ground through the supporting piece 12 or supported on the ground through the castor 24 according to the requirement, so that the LED aging rack is more convenient to move or fix, and can be suitable for testing work of LED display modules with various sizes by arranging the adjustable clamping assembly 23.

The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. The adjustable LED aging rack is characterized by comprising a main frame (1) and a plurality of movable brackets (2), wherein the movable brackets (2) are connected to the main frame (1) in a sliding manner;

the movable support (2) comprises a support beam (21) and at least two clamping assemblies (23), wherein connecting grooves (211) are formed in the support beam (21), each clamping assembly (23) comprises a clamping piece (231) and a locking piece (233), each locking piece (233) is installed on each clamping piece (231), each locking piece (233) is connected in each connecting groove (211) and used for locking each clamping piece (231) at different positions of each connecting groove (211).

2. The adjustable LED burn-in fixture of claim 1, wherein said locking member (233) comprises a threaded rod portion (2331) and a rotating portion (2332), said rotating portion (2332) being mounted on said threaded rod portion (2331);

the clamping piece (231) is provided with a connecting hole (2311), the screw rod portion (2331) penetrates through the connecting hole (2311), and the screw rod portion (2331) is in threaded connection in the connecting groove (211).

3. The adjustable LED burn-in fixture according to claim 1, wherein the connection groove (211) is vertically arranged, the clamping assembly (23) comprises a locking plate (232), the locking plate (232) is connected to the clamping member (231), and an upper clamping groove (2301) and a lower clamping groove (2302) are formed between the locking plate (232) and the clamping member (231).

4. An adjustable LED burn-in fixture according to any one of claims 1-3, characterized in that the main frame (1) comprises a plurality of support beams (11) and guide rails (13), said guide rails (13) being mounted on said support beams (11), said moving support (2) being slidingly connected to said guide rails (13).

5. The adjustable LED burn-in fixture according to claim 4, wherein the guide rail (13) comprises an upper guide plate (131) arranged in pairs and a lower guide plate (132) arranged in pairs, and the movable bracket (2) is interposed between the two upper guide plates (131) in pairs and between the two lower guide plates (132) in pairs.

6. The adjustable LED burn-in frame according to claim 4, wherein a plurality of the support beams (11) form a rectangular frame structure, corner portions between the support beams (11) are provided with corner pieces (111), and the corner pieces (111) are respectively connected with two support beams (11) adjacent to the corner portions.

7. The adjustable LED burn-in fixture according to claim 4, wherein the main frame (1) comprises a support (12), the support (12) comprising a support foot cup (121) and a support screw (122), the support screw (122) being mounted on the support beam (11), the support foot cup (121) being screwed on the support screw (122).

8. The adjustable LED burn-in fixture according to claim 4, wherein the support beam (11) and the bracket beam (21) are each made of aluminum profile.

9. An adjustable LED burn-in fixture according to any one of claims 1-3, characterized in that the mobile carriage (2) comprises casters (24), which casters (24) are mounted on the carriage beam (21) and supported on the ground.

10. An adjustable LED burn-in fixture according to any one of claims 1-3, characterized in that the moving fixture (2) comprises a pad (22), which pad (22) is mounted on the fixture beam (21).