CN214670549U

CN214670549U - Display device

Info

Publication number: CN214670549U
Application number: CN202120029788.4U
Authority: CN
Inventors: 胡泽泰
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-11-09
Anticipated expiration: 2031-01-06

Abstract

The utility model discloses a display device, which comprises an infrared touch frame, a glass plate and a bracket; the infrared touch frame comprises a frame body, a touch PCB and a filter strip; the frame body comprises a frame edge and a cantilever; the frame edge is provided with a sliding groove, a first limiting bulge and a second limiting bulge; the touch PCB comprises an infrared lamp and a limiting block; the limiting block is arranged on one side of the touch PCB, and the touch PCB is clamped with the sliding groove, the first limiting bulge and the second limiting bulge through the limiting block; the infrared lamp is arranged on one side of the touch PCB opposite to the limiting block; the light filtering strip is abutted against the inner side of the cantilever and is positioned on the light inlet and outlet side of the infrared lamp. The utility model discloses a touch PCB board is fixed to new mode has effectively reduced infrared touch frame height, has solved that display device's frame is thicker, the appearance is heavy and beautifully spend low problem.

Description

Display device

Technical Field

The utility model relates to a display device technical field, in particular to touch-control display device.

Background

In the existing touch display device, the infrared touch frame is an important component of the touch display device, and the touch PCB is also a part of the infrared touch frame, which plays an important role in realizing the touch function. In the prior art, the touch PCB is generally fixed by an upper and a lower clamping grooves in the infrared touch frame, and the height of the infrared touch frame is increased by the fixing mode, so that the frame of the touch display device is thickened, the appearance is heavy, and the appearance is attractive.

SUMMERY OF THE UTILITY MODEL

Based on the not enough of prior art existence, the utility model provides a display device can solve among the prior art because of infrared touch frame highly higher influence the pleasing to the eye problem of product.

The technical scheme is as follows:

a display device comprises an infrared touch frame, a glass plate and a support; the infrared touch frame comprises a frame body, a touch PCB and a filter strip; the frame body comprises a frame edge and a cantilever; the frame edge is provided with a sliding groove, a first limiting bulge and a second limiting bulge; the touch PCB comprises an infrared lamp and a limiting block; the limiting block is arranged on one side of the touch PCB, and the touch PCB is clamped with the sliding groove, the first limiting bulge and the second limiting bulge through the limiting block; the infrared lamp is arranged on one side of the touch PCB opposite to the limiting block; the light filtering strip is abutted against the inner side of the cantilever and is positioned on the light inlet and outlet side of the infrared lamp.

Preferably, the limit blocks are arranged on the touch PCB at intervals.

Preferably, the limiting block comprises a fixing portion and a connecting portion, and the fixing portion is connected with the touch PCB through the connecting portion.

Preferably, the first limiting protrusion and the second limiting protrusion are located at the opening of the sliding groove and are arranged oppositely, a gap is formed between the first limiting protrusion and the second limiting protrusion, and the width of the gap is not smaller than the thickness of the connecting part.

Preferably, the sliding groove and the first limit protrusion and the second limit protrusion form a clamping groove, and the limit block is matched with the clamping groove.

Preferably, the frame body further comprises a supporting part, the cantilever and the frame edge surround to form a cavity, and the touch PCB is arranged in the cavity.

Preferably, the cantilever comprises a first clamping part, and the first clamping part is positioned on the inner side of the cantilever; the light filtering strip comprises a first bulge, and the first bulge is clamped with the first clamping portion.

Preferably, the support portion includes a second clamping portion, the second clamping portion is opposite to the first clamping portion, an opening is formed between the second clamping portion and the first clamping portion, and the opening is used for accommodating the light filtering strip. The light filtering strip comprises a second bulge, and the second bulge is clamped with the second clamping portion.

Preferably, the glass plate abuts against a side of the light filter strip away from the cantilever.

Preferably, the support includes mounting panel, transition piece and backup pad, the mounting panel with framework fixed connection, the backup pad with the glass board is kept away from one side fixed connection of light filtering strip, the mounting panel with the backup pad passes through the transition piece is connected.

Has the advantages that:

the utility model provides a display device, wherein touch PCB board side in the infrared touch frame is fixed with the stopper, and the touch PCB board carries out the joint through spout, first spacing arch and the spacing arch of second on this stopper and the infrared touch frame limit to this fixed touch PCB board. Compare two upper and lower draw-in grooves through infrared touch frame among the prior art and carry out the scheme of fixing to the touch PCB board, the utility model discloses a new fixed scheme effectively reduced infrared touch frame height to the distance on display device frame and glass apron surface has been reduced, makes the pleasing to the eye degree of product promote to some extent, lightweight more.

Drawings

Fig. 1 is a schematic structural diagram of a display device according to the present invention;

FIG. 2 is a schematic cross-sectional view taken at A in FIG. 1;

FIG. 3 is a schematic structural diagram of a touch PCB;

the reference numbers in the figures are: 1. an infrared touch frame; 2. a glass plate; 3. a support; 10. a frame body; 11. a touch PCB board; 12. a light filtering strip; 30. mounting a plate; 31. a support plate; 32. a transition piece; 100. a frame edge; 101. a cantilever; 102. a bearing part; 110. an infrared lamp; 111. a limiting block; 120. a first protrusion; 121. a second protrusion; 1000. a chute; 1001. a first limit protrusion; 1002. a second limit bulge; 1010. a first clamping part; 1020. a second clamping part; 1110. a fixed part; 1111. a connecting portion.

Detailed Description

The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and it should be understood that the embodiments described herein are only for explaining the present invention and do not limit the scope of the present invention.

As shown in fig. 1, the display device of the present invention includes an infrared touch frame 1, a glass plate 2 and a bracket 3. The infrared touch frame 1 and the support 3 are fixedly connected and jointly form a frame of the display device after connection. The glass plate 2 is fixedly arranged on the support 3, and the support 3 supports the glass plate 2. The side edge of the glass plate 2 abuts against the inner side of the infrared touch frame 1 after installation, and the infrared touch frame 1 plays a role in fixing the glass plate 2, so that the glass plate 2 is prevented from sliding in a direction parallel to the surface of the glass plate. It is to be understood that the description of other elements and structures of the display device is simplified in this embodiment for the sake of simplicity.

As shown in fig. 2, in one embodiment, the bracket 3 includes a mounting plate 30, a support plate 31, and a transition piece 32, and the mounting plate 30 and the support plate 31 are connected by the transition piece 32. One side of the mounting plate 30 close to the support plate 31 contacts with the frame body 10, and the mounting plate 30 is fixedly connected with the frame body 10 through screws. One side of the support plate 31, which is far away from the mounting plate 30, is fixedly connected with one side of the glass plate 2, which is far away from the light filtering strip 12, in a VHB (very high frequency) adhesive bonding mode. It should be noted that the use of VHB glue is only a preferred embodiment of this embodiment, but the present invention is not limited thereto, and various types of glue may be used for bonding. Similarly, the connection mode between the mounting plate 30 and the frame 10 and the connection mode between the support plate 31 and the glass plate 2 are not exclusive, and other mature connection modes can be adopted, such as: welding, riveting, snap-fit connection, and the like.

With continued reference to fig. 2, in an embodiment, the infrared touch frame 1 includes a frame body 10, a touch PCB 11 and a filter strip 12. The frame body 10 is fixedly connected with the support 3, the touch PCB 11 and the filter strip 12 to form a frame of the display device.

The frame body 10 comprises a frame edge 100, a cantilever 101 and a bearing part 102, wherein the cantilever 101 extends from one side of the frame edge 100 close to the glass plate 2, and the outer side surface of the cantilever 101 is flush with the outer end surface of the frame edge 100. The supporting portion 102 also extends from a side of the rim 100 close to the glass plate 2, and the supporting portion 102, the cantilever 101 and the rim 100 enclose a cavity, which is not closed and is used for accommodating the touch PCB 11.

Further, the frame edge 100 is provided with a sliding groove 1000, a first limiting protrusion 1001 and a second limiting protrusion 1002. The sliding groove 1000 is arranged on one side of the frame edge 100 close to the glass plate 2, the first limiting protrusion 1001 and the second limiting protrusion 1002 are located at an opening of the sliding groove 1000 and are arranged oppositely, a gap is formed between the first limiting protrusion 1001 and the second limiting protrusion 1002, and the sliding groove 1000, the first limiting protrusion 1001 and the second limiting protrusion 1002 form a clamping groove.

Further, cantilever 101 includes first joint portion 1010, first joint portion 1010 is located the inboard of cantilever 101 to be located cantilever 101 and keep away from the one end of frame limit 100, first joint portion 1010 is U type draw-in groove, is used for fixing one side that light filtering strip 12 is close to the cantilever.

Correspondingly, the supporting portion 102 includes a second clamping portion 1020, the second clamping portion 1020 is opposite to the first clamping portion 1010, and an opening is formed between the second clamping portion 1020 and the first clamping portion 1010, and the opening is used for accommodating the light filtering strip 12. The second clamping portion is also a U-shaped clamping groove for fixing one side of the light filtering strip 12 close to the frame edge. One side of the second clamping portion 1020, which is far away from the frame edge 100, abuts against the side of the glass plate 2, and one side of the supporting portion 102, which is far away from the cantilever 101, is fixedly connected with the mounting plate 30.

With continued reference to fig. 2, in one embodiment, the light filter bar 12 includes a first protrusion 120 and a second protrusion 121. The first protrusion 120 is located on a side of the light filter bar 12 close to the cantilever 101, and the second protrusion 121 is located on a side of the light filter bar 12 close to the rim 100. When the light filter strip 12 is mounted and fixed, the first protrusion 120 is engaged with the first engaging portion 1010, and the second protrusion 121 is engaged with the second engaging portion 1020, so that the light filter strip 12 is fixed between the openings formed by the first engaging portion 1010 and the second engaging portion 1020. The mode that the bulge is matched with the clamping groove to be clamped is adopted to fix the filter strip 12, the installation process is simple and convenient, a lot of installation time can be saved, and the fixing mode plays a strong limiting role in the filter strip 12, so that the filter strip 12 is not easy to slip. After fixing, a part of the glass plate 2 abuts against the side of the filter strip 12 remote from the cantilever 101. The fixing method of the filter strips 12 is not limited to the engagement, and other fixing methods such as bonding may be employed.

In an alternative embodiment, the filter strip 12 does not have to be provided with a protrusion structure, the cantilever 101 and the supporting portion 102 do not have to be provided with a slot structure, and the upper and lower surfaces of the filter strip 12 can be bonded to the inner side of the cantilever 101 and the surface of the glass plate 2, respectively, so as to fix the filter strip 12.

With reference to fig. 2, in an embodiment, the touch PCB 11 includes an infrared lamp 110 and a stopper 111, and the infrared lamp 110 includes an infrared transmitter and an infrared receiver. The limiting block 111 is disposed on a side of the touch PCB 11 close to the frame edge 100, and the infrared lamp 110 is disposed on a side of the touch PCB 11 opposite to the limiting block 111, that is, a side close to the light filtering strip 12. The light filtering strip 12 is abutted against the inner side of the cantilever 101 and is positioned on the light inlet and outlet side of the infrared lamp 110, and infrared light rays emitted by the infrared lamp 110 penetrate through the light filtering strip 12 and are substantially parallel to the upper surface of the glass plate 2 or the infrared light rays penetrate through the light filtering strip 12 and are received by the infrared lamp 110.

Further, the stopper 111 includes a fixing portion 1110 and a connecting portion 1111, the fixing portion 1110 and the touch PCB 11 are connected through the connecting portion 1111, and the thickness of the connecting portion 1111 is not greater than the width of a gap formed by the first stopper protrusion 1001 and the second stopper protrusion 1002, so that the connecting portion 1111 can smoothly pass through the gap when the touch PCB 11 is mounted. The limiting block 111 is matched with the clamping groove, and the touch PCB 11 is clamped with the sliding groove 1000, the first limiting protrusion 1001 and the second limiting protrusion 1002 through the limiting block 111.

Specifically, when assembling touch PCB board 11, can push infrared touch frame 1's cavity along the joint groove with touch PCB board 11 from infrared touch frame 1's one end, at this in-process, the outside of fixed part 1110 closely laminates with the inner wall in joint groove, and connecting portion 1111 can pass the clearance between first spacing arch 1001 and the spacing arch 1002 of second simultaneously. The first limiting protrusion 1001 and the second limiting protrusion 1002 limit the fixing portion 1110, so as to limit the movement of the touch PCB 11, and the touch PCB 11 is stably installed in the cavity of the infrared touch frame 1.

In this embodiment, the limit block 111 of the touch PCB 11 is clamped with the sliding groove 1000, the first limit protrusion 1001 and the second limit protrusion 1002 arranged on the frame edge 100, so as to fix the touch PCB 11, and on one hand, due to the adoption of the clamping scheme with adaptive structure, the fixing method is simple and efficient in installation process and is firm in fixation; on the other hand, thereby compare in prior art set up the mode of draw-in groove fixed touch PCB board 11 in the upper and lower both sides of infrared touch frame 1, this embodiment can not occupy the space on the 2 planar directions of perpendicular to glass board to the fixed position of touch PCB board 11 in the direction that is on a parallel with glass board 2 plane to infrared touch frame 1 has effectively been reduced in the thickness on the 2 planar directions of perpendicular to glass board, and the frame height of infrared touch frame 1 promptly is favorable to preparing lightweight display device.

As shown in fig. 3, in an embodiment, the infrared lamps 110 are adjacently arranged on one side of the touch PCB 11, and the stoppers 111 are disposed on the side of the touch PCB 11 opposite to the infrared lamps 110 at intervals. The limiting blocks 111 are arranged on the touch PCB 11 at intervals, so that multi-point limitation on the touch PCB 11 can be realized, the touch PCB 11 is well fixed, the material consumption is reduced, and the touch PCB is economical and efficient. It is understood that the infrared lamp 110 includes an infrared emitting lamp and an infrared receiving lamp.

The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above-mentioned embodiments, and for those skilled in the art, a plurality of equivalent modifications or replacements can be made without departing from the concept of the present invention, and these equivalent modifications or replacements should also be considered as belonging to the protection scope of the present invention.

Claims

1. The display equipment is characterized by comprising an infrared touch frame, a glass plate and a support; the infrared touch frame comprises a frame body, a touch PCB and a filter strip; the frame body comprises a frame edge and a cantilever; the frame edge is provided with a sliding groove, a first limiting bulge and a second limiting bulge; the touch PCB comprises an infrared lamp and a limiting block; the limiting block is arranged on one side of the touch PCB, and the touch PCB is clamped with the sliding groove, the first limiting bulge and the second limiting bulge through the limiting block; the infrared lamp is arranged on one side of the touch PCB opposite to the limiting block; the light filtering strip is abutted against the inner side of the cantilever and is positioned on the light inlet and outlet side of the infrared lamp.

2. The display device according to claim 1, wherein the stoppers are spaced apart from each other on the touch PCB.

3. The display device according to claim 1, wherein the stopper includes a fixing portion and a connecting portion, and the fixing portion and the touch PCB are connected through the connecting portion.

4. The display device according to claim 3, wherein the first position-limiting protrusion and the second position-limiting protrusion are located at the opening of the sliding groove and are opposite to each other, a gap is formed between the first position-limiting protrusion and the second position-limiting protrusion, and the width of the gap is not less than the thickness of the connecting portion.

5. The display device of claim 1, wherein the sliding groove and the first and second limiting protrusions form a clamping groove, and the limiting block is adapted to the clamping groove.

6. The display device according to claim 1, wherein the frame further comprises a support portion, the cantilever and the frame border form a cavity in a surrounding manner, and the touch PCB is disposed in the cavity.

7. The display device according to claim 6, wherein the suspension arm includes a first engaging portion, and the first engaging portion is located on an inner side of the suspension arm; the light filtering strip comprises a first bulge, and the first bulge is clamped with the first clamping portion.

8. The display device according to claim 7, wherein the supporting portion comprises a second clamping portion, the second clamping portion is opposite to the first clamping portion, and an opening is formed between the second clamping portion and the first clamping portion and used for accommodating the light filter strip; the light filtering strip further comprises a second protrusion, and the second protrusion is clamped with the second clamping portion.

9. The display apparatus of claim 1, wherein the glass plate abuts a side of the light filter strip away from the cantilever.

10. The display device according to claim 1 or 9, wherein the bracket comprises a mounting plate, a transition member and a support plate, the mounting plate is fixedly connected with the frame body, the support plate is fixedly connected with one side of the glass plate far away from the light-filtering strip, and the mounting plate and the support plate are connected through the transition member.