CN209993259U - Cover plate concave control structure of touch display equipment - Google Patents
Cover plate concave control structure of touch display equipment Download PDFInfo
- Publication number
- CN209993259U CN209993259U CN201921109089.XU CN201921109089U CN209993259U CN 209993259 U CN209993259 U CN 209993259U CN 201921109089 U CN201921109089 U CN 201921109089U CN 209993259 U CN209993259 U CN 209993259U
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- China
- Prior art keywords
- frame
- cover plate
- control
- glue
- touch
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- Withdrawn - After Issue
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- 239000003292 glue Substances 0.000 claims abstract description 58
- 239000006260 foam Substances 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 claims 2
- 230000004308 accommodation Effects 0.000 claims 1
- 230000006978 adaptation Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
The utility model relates to a cover plate indent control structure of touch-control display equipment, the touch-control display equipment has a back shell, a frame, a touch-control display panel and a cover plate, the touch-control display panel is arranged at the inner side of the cover plate and is arranged in a containing space formed by the frame and the back shell, the frame is a front frame or a middle frame, the cover plate indent control structure comprises glue fixing pieces, a buffer pad and control pieces, two short edge edges at the back of the cover plate are respectively supported at two opposite sides of the frame through the buffer pad, a deformation abdicating gap is formed between the cover plate and the frame, two long edge middle edges at the back of the cover plate are respectively and fixedly connected with the two glue fixing pieces through glue, the other opposite sides of the frame are respectively provided with abdicating structures for the glue fixing pieces to move backwards corresponding to the two glue fixing, used for driving the cover plate to indent and controlling the deformation of the indent.
Description
Technical Field
The utility model relates to a display device technical field especially relates to a touch-control display device's apron indent control structure.
Background
As shown in fig. 1-3, in the conventional optical touch display device in the market, the touch component is disposed on the surface of the transparent protection cover plate, and the touch coordinates are obtained by blocking the light source. As shown in fig. 2, the touch device has a certain height to avoid interference of the touch signal due to structural deformation or warping of the protection cover. As shown in fig. 3, when the optical touch device is operated, the signal is transmitted on the surface of the Cover (Cover), so that the optical touch device cannot be arched outward, otherwise the track of the signal is blocked or changed, and the transmission and reception of the touch signal are affected, and the effect caused by this phenomenon is more serious as the device height of the signal receiver/transmitter is smaller. However, as the appearance requires that the touch surface tends to be full-plane, the thickness of the touch component on the protective cover plate is greatly reduced, which results in that the touch component has higher and higher requirements on the structural flatness, as long as the protective cover plate is arched outwards, the touch function will fail, and the position with the largest deformation is the middle position of the long edge of the cover plate.
In order to ensure stable touch signals, the rigidity and the anti-deformation capacity (the thickness of a structural part and the thickness of glass) of the whole display equipment structure need to be improved, so that the weight of a product can be greatly increased, the internal stress of the structure cannot be effectively and accurately calculated, the touch function can be locally or comprehensively failed as long as any force causes the outward arching of the protective cover plate, the deformation direction and the deformation of the protective cover plate cannot be effectively controlled, Newton's rings are caused by the fact that the protective cover plate is greatly inwards concave, a safety distance needs to be kept between the protective cover plate and the display surface of the panel, and the visual taste of a user can be directly influenced by the safety distance.
Disclosure of Invention
An object of the utility model is to provide a reasonable in design, simple structure can effectively drive the apron indent and control the touch-control display device's of indent deflection apron indent control structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cover plate indent control structure of a touch display device comprises a back shell, a frame, a touch display panel and a cover plate, wherein the touch display panel is arranged on the inner side of the cover plate and is installed in an accommodating space formed by assembling the frame and the back shell, the frame is a front frame or a middle frame, the cover plate indent control structure comprises glue fixing pieces, a buffer pad and control pieces, two short edge edges of the back surface of the cover plate are respectively supported on two opposite sides of the frame through the buffer pad, a deformation abdicating gap is formed between the cover plate and the frame, two long edge middle edges of the back surface of the cover plate are respectively and fixedly connected with the front surfaces of the two glue fixing pieces through glue, the other two opposite sides of the frame are respectively provided with an abdicating structure for the glue fixing pieces to move backwards corresponding to the two glue fixing pieces, and the two control pieces, used for driving the cover plate to indent and controlling the deformation of the indent.
Preferably, the front face of the glue fixing piece is provided with a glue dispensing groove for filling glue.
Preferably, the back of the glue fixing piece is provided with a connecting part protruding backwards for connecting the control piece.
Preferably, the avoiding structure is a blind hole formed in the front face of the frame, the shape of the blind hole is matched with that of the glue fixing piece, the control piece comprises a control screw, and the control screw penetrates through a first through hole formed in the bottom of the blind hole from the back face of the frame to be in threaded connection with the back face of the glue fixing piece.
Preferably, the avoiding structure is a through hole penetrating through the front side and the back side of the frame, the control piece comprises a control screw, a fixing screw and a hard limiting plate, the hard limiting plate is installed on the back side of the frame on the peripheral side of the through hole through the plurality of fixing screws corresponding to the through hole, and the control screw penetrates through the hard limiting plate to be provided with a second through hole and is in threaded connection with the back side of the glue fixing piece.
Preferably, the hard limiting plate is formed by molding a metal material.
Preferably, the other two opposite sides of the frame are provided with deformation yielding grooves corresponding to the two sides of the yielding structure, and fillers are arranged in the deformation yielding grooves.
Preferably, the filler is foam or foam tape.
Preferably, the buffer pad is foam or foam tape.
The utility model adopts the above technical scheme, make through the blotter can form the clearance of stepping down of warping between apron and the frame, and set up the glue mounting in the middle of the biggest apron long limit of deflection, the structure of dodging of setting up on the cooperation frame, make it can be under the effect of control, drive the apron indent (promptly, to touch-control display panel direction bending), and can effectively restrict its deflection, thereby need not additionally to increase display device's structural rigidity (promptly, increase metal structure spare or glass cover plate thickness) can effectively restrict the direction of deformation of protection apron and control its deflection, can avoid the outside hunch-up of protection apron to cause the touch-control inefficacy, also can prevent that the inside excessive sunken Newton ring that forms of protection apron, can reduce product weight by a wide margin, stabilize the touch signal. The utility model relates to a rationally, simple structure can effectively drive the apron indent to control indent deflection is favorable to touch-control subassembly thickness to reduce by a wide margin.
Drawings
The present invention will now be further elucidated with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a conventional optical touch display device;
FIG. 2 is a schematic structural view of the AA section of FIG. 1 before deformation;
FIG. 3 is a schematic view of the cross-section AA in FIG. 1 after deformation;
fig. 4 is a front view and a side view of the cover plate indent control structure of the touch display device of the present invention;
FIG. 5 is a schematic structural view of the BB section screw of FIG. 4 of the present invention before locking;
FIG. 6 is a schematic structural view of the BB section screw of FIG. 4 according to the present invention after being locked;
fig. 7 is a schematic diagram of glue dispensing of the glue fixture of the present invention;
FIG. 8 is a schematic view of the cover plate and the frame assembled with the glue fixture of the present invention;
fig. 9 is a diagram illustrating an embodiment of a cover plate indent control structure of a touch display device according to the present invention;
fig. 10 is a second embodiment of a cover plate recession control structure of a touch display device according to the present invention;
fig. 11 is a third embodiment of a cover plate recession control structure of a touch display device according to the present invention;
fig. 12 is a fourth embodiment of the cover plate indent control structure of the touch display device of the present invention.
Detailed Description
As shown in one of fig. 4-12, the cover plate indent control structure of the touch display device of the present invention comprises a back casing 14, a frame 13, a touch display panel 12 and a cover plate 11, wherein the touch display panel 12 is disposed inside the cover plate 11 and installed in a containing space formed by assembling the frame 13 and the back casing 14, the frame 13 is a front frame or a middle frame, the cover plate indent control structure comprises a glue fixing member 21, a buffer pad 22 and a control member 23, two short edge edges of the back surface of the cover plate 11 are respectively supported on two opposite sides of the frame 13 through the buffer pad 22, a deformation abdicating gap 24 is formed between the cover plate 11 and the frame 13, two long middle edge edges of the back surface of the cover plate 11 are respectively and positively and fixedly connected with the two glue fixing members 21 through glue 25, another opposite sides of the frame 13 are respectively provided with an abdicating structure 15 for the glue fixing member 21 to move backwards corresponding to the two glue, the two control pieces 23 are respectively connected with the back surfaces of the two glue fixing pieces 21 and are used for driving the cover plate 11 to be concave and controlling the concave deformation amount.
Preferably, the front surface of the glue fixing member 21 is provided with a glue dispensing groove 211 for filling the glue 25.
Preferably, the back of the glue fixing part 21 is provided with a connecting part 212 protruding backwards for connecting the control part 23.
Preferably, the filler 27 is foam or foam tape.
Preferably, the cushion pad 22 is foam or foam tape.
As shown in one of fig. 9 to 11, as an embodiment, the avoiding structure 15 is a blind hole opened on the front surface of the frame 13, the shape of the blind hole is adapted to the shape of the glue fixing member 21, and the control member 23 includes a control screw 231, and the control screw 231 is threaded with the back surface of the glue fixing member 21 from the back surface of the frame 13 through a first through hole 28 formed at the bottom of the blind hole.
As shown in fig. 11, preferably, the other two opposite sides of the frame 13 are provided with yielding grooves 26 corresponding to two sides of the yielding structure 15, and the fillings 27 are arranged in the yielding grooves 26.
As shown in fig. 12, as another embodiment, the avoiding structure 15 is a through hole penetrating through the front and back of the frame 13, the control member 23 includes a control screw 231, a fixing screw 232 and a hard limiting plate 233, the hard limiting plate 233 is mounted on the back of the frame 13 on the periphery of the through hole through a plurality of fixing screws 232 corresponding to the through hole, and the control screw 231 penetrates through the hard limiting plate 233 and is provided with a second through hole 29 to be in threaded connection with the back of the glue fixing member 21.
Preferably, the hard limiting plate 233 is formed of a metal material.
Preferably, the Gap between the back surface of the connecting part 212 of the glue fixing part 21 and the front surface of the hard limiting plate 233 is 1-3 mm.
The utility model discloses the equipment method of apron indent control structure, including following step:
1) as shown in fig. 7, the glue 25 with high bonding strength is dispensed into the dispensing slot 211 of the glue fixing member 21;
2) as shown in fig. 8, the glue fixing piece 21 is fixed at the middle position of the long side of the back surface of the cover plate 11 (mounted on the back surface printing area of the cover plate 11);
3) as shown in fig. 8, the front/middle frame is fixed on the cover plate 11 through foam or foam tape;
4) stacking adjustment of space is carried out in the front/middle frames on the upper side and the lower side, the front/middle frames can heighten the cover plate 11 through foam cotton, a gap is reserved between the front/middle frames and the cover plate, a deformation abdicating gap 24 is formed, and a space (namely, an abdicating structure 15) is designed in the middle of the front/middle frames to evade the glue fixing piece 21;
5) as shown in fig. 9-12, after the screws are locked, the locking force of the screws pulls the cover plate 11 backward through the glue fixing member 21 to fill the originally reserved gap, thereby controlling the deformation direction of the glass cover plate 11 to present a concave surface.
The glue fixing member 21 of the utility model can be implemented in shapes of different shapes, and can be in various lengths, sizes, shapes and materials, the cover plate 11 of the utility model can be made of any transparent material, the glue 25 of the utility model is glue 25 without reworkability, the size of the deformation abdicating gap 24 of the utility model can be adjusted by the thickness of the buffer pad 22 and/or the position of the deformation abdicating groove 26 according to the deformation requirement, the control member 23 of the utility model can replace the control screw 231 to lock and limit in other quick-dismantling forms; the frame 13 of the present invention is a front frame or a middle frame of the touch display device; the utility model discloses the structure can be placed in any position outside the visual zone of display (display area).
By adopting the technical scheme, the cover plate 11 can be pulled backwards into a concave shape after the screw is locked by utilizing the offset design of the glue fixing piece 21 and the front frame through the cover plate concave control structure and the touch display equipment frame 13; specifically, the cushion pad 22 enables a deformation abdicating gap 24 to be formed between the cover plate 11 and the frame 13, the glue fixing part 21 is additionally arranged in the middle of the long side of the cover plate 11 with the largest deformation amount, and the abdicating structure 15 additionally arranged on the frame 13 is matched to drive the cover plate 11 to be concave (i.e. to bend towards the touch display panel 12) under the action of the control part 23, so that the deformation amount can be effectively limited, the structural rigidity of the display device is not required to be additionally increased (i.e. the thickness of the metal structural part or the glass cover plate 11 is increased), the deformation direction of the protection cover plate 11 can be effectively limited and the deformation amount can be controlled, the touch failure caused by the outward arching of the protection cover plate 11 can be avoided, the inward excessive sinking of the protection cover plate 11 can be prevented from forming a newton.
The above description should not be taken as limiting the scope of the invention in any way.
Claims (9)
1. The utility model provides a touch-control display device's apron indent control structure, touch-control display device has backshell, frame, touch-control display panel and apron, touch-control display panel locates the apron inboard, and installs in the accommodation space who is formed by frame and backshell equipment, the frame is preceding frame or center, its characterized in that: this apron indent control structure includes glue mounting, blotter and control, two minor face edges at the apron back support in a relative both sides of frame through the blotter respectively, form the deformation clearance of stepping down between apron and the frame, two long limit middle part edges at the apron back are respectively through glue and two positive fixed connection of glue mounting, another relative both sides of frame correspond two glue mountings respectively and are equipped with the structure of dodging that supplies the glue mounting to move back, and two controls are connected with two glue mounting backs respectively for drive apron indent and control indent deflection.
2. The cover plate recess control structure of a touch display device according to claim 1, wherein: the front face of the glue fixing piece is provided with a glue dispensing groove for filling glue.
3. The cover plate recess control structure of a touch display device according to claim 1, wherein: the back of the glue fixing piece is provided with a connecting part protruding backwards for connecting the control piece.
4. The cover plate concave control structure of the touch display device according to claim 1 or 3, wherein: dodge the structure for seting up the blind hole at the frame openly, blind hole shape and glue mounting shape looks adaptation, the control includes the control screw, and the control screw passes the first perforation and the glue mounting back threaded connection that the blind hole bottom was equipped with from the frame back.
5. The cover plate concave control structure of the touch display device according to claim 1 or 3, wherein: dodge the through-hole of structure for running through the frame front and the back, the control includes control screw, fixed screw and stereoplasm limiting plate, and the stereoplasm limiting plate corresponds the through-hole and installs in the frame back of through-hole week side through a plurality of fixed screw, and the control screw passes to be equipped with the second on the stereoplasm limiting plate and perforates and glue mounting back threaded connection.
6. The cover plate recession control structure of the touch display device according to claim 5, wherein: the hard limiting plate is made of metal materials in a molding mode.
7. The cover plate recess control structure of a touch display device according to claim 1, wherein: and the other two opposite sides of the frame are correspondingly provided with deformation yielding grooves corresponding to the two sides of the yielding structure, and fillers are arranged in the deformation yielding grooves.
8. The cover plate recess control structure of claim 7, wherein: the filler is foam or foam adhesive tape.
9. The cover plate recess control structure of a touch display device according to claim 1, wherein: the buffer pad is a foam or foam adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109089.XU CN209993259U (en) | 2019-07-16 | 2019-07-16 | Cover plate concave control structure of touch display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109089.XU CN209993259U (en) | 2019-07-16 | 2019-07-16 | Cover plate concave control structure of touch display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209993259U true CN209993259U (en) | 2020-01-24 |
Family
ID=69297562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921109089.XU Withdrawn - After Issue CN209993259U (en) | 2019-07-16 | 2019-07-16 | Cover plate concave control structure of touch display equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209993259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379296A (en) * | 2019-07-16 | 2019-10-25 | 嘉捷科技（福清）有限公司 | A kind of cover board indent control structure of touch control display device |
-
2019
- 2019-07-16 CN CN201921109089.XU patent/CN209993259U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379296A (en) * | 2019-07-16 | 2019-10-25 | 嘉捷科技（福清）有限公司 | A kind of cover board indent control structure of touch control display device |
| CN110379296B (en) * | 2019-07-16 | 2024-02-06 | 嘉捷科技（福清）有限公司 | Cover plate indent control structure of touch display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200124 Effective date of abandoning: 20240206 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200124 Effective date of abandoning: 20240206 |