CN220983673U - LED backlight diaphragm closing device - Google Patents

Abstract

The utility model relates to an LED backlight source diaphragm pressing device which comprises a pressing base, wherein a supporting seat is arranged on one side of the top of the pressing base, a lifting seat is arranged on the other side of the top of the pressing base, a sliding pressing seat is arranged on the top of the supporting seat, a bearing connecting block is arranged on the top of the lifting seat, a pressing plate extending to the position above the sliding pressing seat is arranged on the side edge of the bearing connecting block, and a pressing base plate with a telescopic function is arranged at the bottom of the pressing plate. This LED backlight diaphragm closing device, equipment are when using, under the drive of lifting seat, and the pressfitting backing plate contacts with the slip top diaphragm of pressing seat, then through flexible contact layer and the rotation area that its bottom set up, and the rotation area is when the operation, can promote flexible contact layer through the conflict arch that its outside set up, makes flexible contact layer can smooth the diaphragm, can reach the effect of extruding the inside bubble of diaphragm simultaneously.

Description

LED backlight diaphragm closing device

Technical Field

The utility model relates to the technical field of compressing devices, in particular to an LED backlight source diaphragm compressing device.

Background

The backlight is a light source positioned behind a Liquid Crystal Display (LCD), the light-emitting effect of the backlight directly affects the visual effect of a liquid crystal display module (LCM), the liquid crystal display does not emit light, the liquid crystal display displays graphics or the light modulation result, the backlight is mainly used on the display, and a pressing device is adopted when a film is pressed for better enabling the display to project the light source to perform film pressing.

However, most of the compressing devices in the prior art are directly placed and compressed when in use, and do not have any positioning and auxiliary structures, which leads to errors or damages of the compression film, as in the LED backlight film compressing device proposed in patent 202121158330.5, which is used for assistance through the positioning component, but when in use, the compressing plate is directly pressed on the film, and when in use, the compressing plate cannot discharge the redundant bubbles inside the film, so that there is room for improvement, and therefore, an LED backlight film compressing device is proposed for solving the above problems.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an LED backlight source diaphragm pressing device, which aims to solve the problem that redundant bubbles in the diaphragm can not be discharged in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a LED backlight diaphragm closing device, includes the pressfitting base, top one side of pressfitting base is provided with the supporting seat, the top opposite side of pressfitting base is provided with the promotion seat, the top of supporting seat is provided with the slip and compresses tightly the seat, the top of promotion seat is provided with the bearing connecting block, the bearing connecting block side is provided with the pressfitting board that extends to the slip and compresses tightly the seat top, the bottom of pressfitting board is provided with the pressfitting backing plate that has flexible function, the inside of pressfitting board is provided with the conflict spring corresponding with the pressfitting backing plate, the inside of pressfitting backing plate is provided with the subassembly of surging.

Preferably, the pressing pad extends to the inside of the pressing plate, and the side edge of the pressing pad is provided with an anti-falling telescopic ring.

Preferably, a flexible contact layer corresponding to the surge component is arranged at the bottom of the pressing base plate.

Preferably, the surge assembly comprises a rotating belt arranged inside the pressing base plate, two driving rotating shafts for driving the rotating belt to run are arranged inside the pressing base plate, and the outer surface of the rotating belt is provided with a collision protrusion which is in collision with the flexible contact layer.

Preferably, positioning rings are arranged on two sides of the sliding compaction seat, and positioning clamping pins corresponding to the positioning rings are arranged at the bottom of the pressing plate.

Preferably, a sliding groove corresponding to the sliding compaction seat is formed in the top of the supporting seat, and a pulley seat matched with the sliding groove is arranged at the bottom of the sliding compaction seat.

Preferably, the output end of the lifting seat is provided with an extension connecting shaft corresponding to the bearing connecting block.

(III) beneficial effects

Compared with the prior art, the utility model provides the LED backlight source diaphragm pressing device, which has the following beneficial effects:

This LED backlight diaphragm closing device, equipment are when using, under the drive of lifting seat, and the pressfitting backing plate contacts with the slip top diaphragm of pressing seat, then through flexible contact layer and the rotation area that its bottom set up, and the rotation area is when the operation, can promote flexible contact layer through the conflict arch that its outside set up, makes flexible contact layer can smooth the diaphragm, can reach the effect of extruding the inside bubble of diaphragm simultaneously.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front elevational view of the structure of the present utility model;

FIG. 3 is a schematic diagram of an embodiment of the present utility model;

Fig. 4 is a schematic structural view of a press-fit pad according to the present utility model.

In the figure: 1. pressing the base; 2. a support base; 3. a pulley seat; 4. a sliding compaction seat; 5. a positioning ring; 6. a lifting seat; 7. a bearing connecting block; 8. pressing the plate; 9. positioning bayonet lock; 10. pressing a backing plate; 11. a contact spring; 12. driving the rotating shaft; 13. a flexible contact layer; 14. rotating the belt; 15. the abutting projections.

Detailed Description

The following description of the preferred embodiments of the present utility model is provided in connection with the accompanying drawings, and it is to be understood that the utility model is not limited thereto.

The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the technical features indicated, whereby the features defining "first", "second" may explicitly or implicitly include one or more of such features, and in the description of the present utility model, unless otherwise indicated, "a plurality" means two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and for example, may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, and may be in communication with the inside of two elements, and the specific meaning of the terms in the present utility model may be understood as specific to one of ordinary skill in the art.

Referring to fig. 1-4, in an embodiment of the utility model, an LED backlight diaphragm pressing device includes a pressing base 1, a supporting seat 2 is disposed on one side of the top of the pressing base 1, a lifting seat 6 is disposed on the other side of the top of the pressing base 1, a sliding pressing seat 4 is disposed on the top of the supporting seat 2, a bearing connecting block 7 is disposed on the top of the lifting seat 6, a pressing plate 8 extending above the sliding pressing seat 4 is disposed on a side edge of the bearing connecting block 7, a pressing pad 10 with a telescopic function is disposed at the bottom of the pressing plate 8, a pressing spring 11 corresponding to the pressing pad 10 is disposed inside the pressing plate 8, and a surge assembly is disposed inside the pressing pad 10.

It should be added that the pressing pad 10 extends to the inside of the pressing plate 8, and the side edge of the pressing pad 10 is provided with an anti-falling telescopic ring, so that the pressing pad 10 can be pressed in the inside of the pressing plate 8 in a telescopic manner.

It should be further noted that, in order to achieve the purpose of removing bubbles, the bottom of the pressing pad 10 is provided with a flexible contact layer 13 corresponding to a surging component, the surging component includes a rotating belt 14 disposed inside the pressing pad 10, two driving shafts 12 driving the rotating belt 14 to operate are disposed inside the pressing pad 10, an outer surface of the rotating belt 14 is provided with a collision protrusion 15 abutting against the flexible contact layer 13, and it is easy to think that a driving motor driving the two driving shafts 12 to drive the rotating belt 14 to operate is disposed inside the pressing pad 10.

Through the above-mentioned setting, when equipment is in use, under the drive of lifting seat 6, pressfitting backing plate 10 contacts with the slip of pressing seat 4 top diaphragm, then through flexible contact layer 13 and the rotation area 14 that its bottom set up, the rotation area 14 is when the operation, can promote flexible contact layer 13 through the conflict arch 15 that its outside set up, makes flexible contact layer 13 can smooth the diaphragm, can reach the effect of extruding the inside bubble of diaphragm simultaneously.

It is further supplementary to need, and the both sides that slide compresses tightly seat 4 are provided with holding ring 5, and pressfitting board 8's bottom is provided with the location bayonet lock 9 corresponding with holding ring 5, through above-mentioned locating component, can ensure the accurate location of equipment when using, the problem of avoiding the production of error.

It is easy to think that the sliding groove corresponding to the sliding compaction seat 4 is formed in the top of the supporting seat 2, and the pulley seat 3 matched with the sliding groove is arranged at the bottom of the sliding compaction seat 4, so that the equipment can be conveniently fed and discharged through the arrangement.

As shown, the output end of the lifting seat 6 is provided with an extension connecting shaft corresponding to the bearing connecting block 7.

To sum up, when the device is used, under the drive of the lifting seat 6, the pressing pad 10 is contacted with the top membrane of the sliding pressing seat 4, then the flexible contact layer 13 and the rotating belt 14 are arranged at the bottom of the pressing pad, and the rotating belt 14 can push the flexible contact layer 13 through the abutting bulge 15 arranged at the outer side of the rotating belt 14 when in operation, so that the flexible contact layer 13 can smooth the membrane, and meanwhile, the effect of extruding bubbles inside the membrane can be achieved.

The electrical components appearing herein are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device for controlling a computer and the like, and the prior art of power connection is not described in detail herein.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a LED backlight diaphragm closing device, includes pressfitting base (1), top one side of pressfitting base (1) is provided with supporting seat (2), the top opposite side of pressfitting base (1) is provided with promotion seat (6), its characterized in that: the utility model discloses a support seat, including support seat (2), bearing connection piece (7) are provided with at the top of lifting seat (6), bearing connection piece (7) side is provided with and extends to pressfitting board (8) of sliding compression seat (4) top, the bottom of pressfitting board (8) is provided with pressfitting backing plate (10) that have flexible function, the inside of pressfitting board (8) is provided with conflict spring (11) corresponding with pressfitting backing plate (10), the inside of pressfitting backing plate (10) is provided with the subassembly that surges.

2. The device of claim 1, wherein the device further comprises: the pressing pad (10) extends to the inside of the pressing plate (8), and the side edge of the pressing pad (10) is provided with an anti-falling telescopic ring.

3. The device of claim 1, wherein the device further comprises: the bottom of the pressing pad (10) is provided with a flexible contact layer (13) corresponding to the surge assembly.

4. A device for compressing a film sheet for an LED backlight according to claim 3, wherein: the surge assembly comprises a rotating belt (14) arranged inside a pressing base plate (10), two driving rotating shafts (12) for driving the rotating belt (14) to operate are arranged inside the pressing base plate (10), and a collision protrusion (15) which is in collision with the flexible contact layer (13) is arranged on the outer surface of the rotating belt (14).

5. The device of claim 1, wherein the device further comprises: positioning rings (5) are arranged on two sides of the sliding compression seat (4), and positioning clamping pins (9) corresponding to the positioning rings (5) are arranged at the bottom of the pressing plate (8).

6. The device of claim 1, wherein the device further comprises: the top of supporting seat (2) is offered and is pressed seat (4) corresponding sliding tray, the bottom that compresses tightly seat (4) is provided with pulley seat (3) with sliding tray looks adaptation.

7. The device of claim 1, wherein the device further comprises: the output end of the lifting seat (6) is provided with an extension connecting shaft corresponding to the bearing connecting block (7).