Flexible touch display screen

Abstract

The utility model discloses a flexible touch display screen which comprises a concentric-square-shaped screen frame, a touch screen body, a concentric-square-shaped rear frame, a touch diaphragm, a flexible light-emitting diaphragm and a flexible circuit board, the touch screen body is installed on the inner side of the concentric-square-shaped screen frame, the concentric-square-shaped rear frame is fixed to the rear surface of the concentric-square-shaped screen frame, and the flexible light-emitting diaphragm is installed on the touch screen body. The touch diaphragm, the flexible light-emitting diaphragm and the flexible circuit board are glued and fixed on the rear surface of the touch screen main body, and two clamping assemblies are arranged at the inner end of the concentric-square-shaped rear frame; according to the flexible touch display screen, a flexible touch display screen in the prior art is improved and optimized, the clamping assembly is designed at the inner end of the back frame shaped like the Chinese character'hui ', the dismounting and mounting convenience of the whole flexible touch display screen can be greatly improved, and meanwhile under the action of the back frame shaped like the Chinese character'hui' and the protective pad shaped like the Chinese character'hui ', the flexible touch display screen is more flexible. The edge of the touch screen main body is prevented from colliding with external foreign matters, and external foreign matters such as dust are prevented from permeating into a connecting gap between the concentric-square-shaped screen frame and the touch screen main body, so that an effective protection effect is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of touch screens, and in particular relates to a flexible touch display screen. Background Art

[0002] A flexible touch display screen is a new type of touch display screen, which is provided with flexible materials such as a flexible circuit board and a flexible light-emitting film. For example, the existing patent with publication number CN217279534U discloses "a flexible touch display screen, including an insulating cover plate, a touch film adhered to the bottom of the insulating cover plate, the insulating cover plate and the touch film adhere to each other through glue, an optical glue is provided at the bottom of the touch film, the touch film and the optical glue adhere to each other, a flexible light-emitting film is provided at the bottom of the optical glue, the optical glue and the flexible light-emitting film adhere to each other, a glue paper layer is provided at the bottom of the flexible light-emitting film, and the flexible light-emitting film and the glue paper layer adhere to each other through glue." It can be seen that the application describes a common flexible touch display screen;

[0003] The flexible touch display screen in the above-mentioned patent will be installed in the installation gap opened on the surface of the external substrate during actual use. However, since most of its installation methods are adhesive installation or screw installation, the installation convenience of the entire flexible touch display screen is reduced. At the same time, no effective protection and protective measures are taken at the edges of the flexible touch display screen, which is prone to bumps and damage. Foreign matter such as dust from the outside is also easy to fall into the connection gap between the touch screen and the screen frame. For this reason, the utility model proposes a flexible touch display screen. Utility Model Content

[0004] The purpose of the utility model is to provide a flexible touch display screen to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flexible touch display screen, comprising a circular screen frame, a touch screen body, a circular rear frame, a touch film, a flexible light-emitting film and a flexible circuit board, wherein the touch screen body is installed on the inner side of the circular screen frame, the circular rear frame is fixed on the rear surface of the circular screen frame, the touch film, the flexible light-emitting film and the flexible circuit board are glued and fixed on the rear surface of the touch screen body, and the touch film, the flexible light-emitting film and the flexible circuit board are all on the inner side of the circular rear frame, and the circular rear frame is fixed on the rear surface of the circular screen frame. The circular screen frame is installed at the installation notch opened on the surface of the external substrate, the inner end of the circular rear frame passes through the installation notch to the inner side of the external substrate, the inner end of the circular rear frame is provided with two clamping components, the clamping components include an inner groove opened inside the circular rear frame, a spring and a right-angle trapezoidal telescopic block are arranged in the inner groove, the right-angle trapezoidal telescopic block is movably installed in the inner groove by the spring, the outer end of the right-angle trapezoidal telescopic block pops out to the outer surface of the circular rear frame, and the outer end of the circular rear frame is clamped on the inner side of the external substrate;

[0006] A circular protective pad is installed on the front surface of the circular screen frame, and the circular protective pad covers the connection between the circular screen frame and the touch screen body.

[0007] Preferably, a cylindrical groove is provided on the inner end surface of the right-angled trapezoidal telescopic block, one end of the spring is fixed in the cylindrical groove, the other end of the spring is fixed on the inner wall of the inner groove, and a pop-up hole corresponding to the right-angled trapezoidal telescopic block is provided on the surface of the circular rear frame, and the pop-up hole is communicated with the inner groove.

[0008] Preferably, the rear surface of the circular protective pad is provided with a plurality of integrated plug-in blocks, and the sides of the plug-in blocks are provided with side clamping blocks. The surface of the circular screen frame is provided with a plurality of slots corresponding to the plug-in blocks, and a clamping hole corresponding to the side clamping block is penetrated through the inner wall of one side of the slot. The plug-in block is inserted into the slot, and the side clamping block is clamped in the clamping hole. A rectangular cavity is provided in the plug-in block, and the plug-in block and the side clamping block are an integrated structure, and the cross-section of the side clamping block is a right triangle.

[0009] Preferably, a circular seal A is fixed to the rear surface of the circular protective pad, and the circular seal A is embedded in the connecting gap between the circular screen frame and the touch screen body. A circular seal B is also fixed to the rear surface of the circular protective pad, and a circular seal groove corresponding to the circular seal B is opened at the edge of the touch screen body, and the circular seal B is embedded in the circular seal groove.

[0010] Preferably, a lead line row is connected to the flexible circuit board.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention improves and optimizes the flexible touch display screen in the prior art, and designs a snap-fit ​​assembly at the inner end of the circular rear frame, which can greatly improve the convenience of disassembly and assembly of the entire flexible touch display screen. At the same time, under the action of the circular screen frame and the circular protective pad, it not only prevents the edge of the touch screen body from colliding with external foreign objects, but also prevents external dust and other foreign objects from penetrating into the connecting gap between the circular screen frame and the touch screen body, thereby achieving effective protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of the utility model;

[0013] Figure 2 It is a cross-sectional view of the utility model;

[0014] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A area;

[0015] Figure 4 For this utility model Figure 2 A partial enlarged view of the middle B area;

[0016] In the figure: 1. circular screen frame; 11. slot; 12. card hole; 2. touch screen body; 21. circular sealing groove; 3. circular protective pad; 31. plug-in block; 32. side card block; 33. circular seal A; 34. circular seal B; 4. external substrate; 41. installation notch; 5. circular rear frame; 51. inner groove; 52. spring; 53. right-angle trapezoidal expansion block; 6. touch film; 7. flexible light-emitting film; 8. flexible circuit board. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example

[0019] See also Figures 1 to 4, is an embodiment of the utility model, which provides a technical solution: a flexible touch display screen, including a circular screen frame 1, a touch screen body 2, a circular rear frame 5, a touch film 6, a flexible luminous film 7 and a flexible circuit board 8, the touch screen body 2 is installed on the inner side of the circular screen frame 1, the circular rear frame 5 is fixed on the rear surface of the circular screen frame 1, the touch film 6, the flexible luminous film 7 and the flexible circuit board 8 are glued and fixed on the rear surface of the touch screen body 2, and the touch film 6, the flexible luminous film 7 and the flexible circuit board 8 are all in the circular rear frame 5. Inside, the circular screen frame 1 is installed at the installation notch 41 opened on the surface of the external substrate 4, and the inner end of the circular rear frame 5 passes through the installation notch 41 to the inner side of the external substrate 4. The inner end of the circular rear frame 5 is provided with two clamping components, and the clamping components include an inner groove 51 opened inside the circular rear frame 5, and a spring 52 and a right-angle trapezoidal telescopic block 53 are arranged in the inner groove 51. The right-angled trapezoidal telescopic block 53 is movably installed in the inner groove 51 through the spring 52, and the outer end of the right-angled trapezoidal telescopic block 53 pops out to the outer surface of the circular rear frame 5, and the outer end of the circular rear frame 5 The circular screen frame 1 and the touch screen body 2 can be quickly disassembled from the external substrate 4, and the circular screen frame 1 and the touch screen body 2 can be quickly disassembled from the external substrate 4. When disassembling, it is only necessary to press the outer end of the right-angled trapezoidal telescopic block 53 into the inner groove 51, so that the right-angled trapezoidal telescopic block 53 no longer limits the circular rear frame 5. At this time, the circular rear frame 5 is pushed toward the outside of the external substrate 4, and the circular rear frame 5 can be pushed out of the installation notch 41, so that the circular screen frame 1 and the touch screen body 2 can be quickly disassembled from the external substrate 4. When installing the touch screen body 2, it is only necessary to insert the circular rear frame 5 into the installation notch 41 first, and then press the right-angled trapezoidal telescopic block 53 again, and at the same time push the circular rear frame 5 to the inner side of the external substrate 4, so that the inner end of the circular rear frame 5 can penetrate the inner side of the external substrate 4 until the circular screen frame 1 fits with the front surface of the external substrate 4. At this time, the outer end of the right-angled trapezoidal telescopic block 53 will pop out under the push of the spring 52 and get stuck on the inner surface of the external substrate 4, so as to quickly complete the locking and limiting of the circular rear frame 5, ensuring the overall installation convenience;

[0020] A circular protective pad 3 is installed on the front surface of the circular screen frame 1. The circular protective pad 3 covers the connection between the circular screen frame 1 and the touch screen body 2, which can provide effective protection and sealing effects. It not only prevents the edge of the touch screen body 2 from colliding with external foreign objects, but also prevents external dust and other foreign objects from penetrating into the connection gap between the circular screen frame 1 and the touch screen body 2.

[0021] Among them, a cylindrical groove is provided on the inner end surface of the right-angled trapezoidal telescopic block 53, one end of the spring 52 is fixed in the cylindrical groove, and the other end of the spring 52 is fixed on the inner wall of the inner groove 51 to ensure the installation stability of the spring 52. A pop-up hole corresponding to the right-angled trapezoidal telescopic block 53 is provided on the surface of the circular rear frame 5, and the pop-up hole is communicated with the inner groove 51, so that the right-angled trapezoidal telescopic block 53 can be ejected smoothly.

[0022] Among them, the rear surface of the circular protective pad 3 is provided with a plurality of integrated plug-in blocks 31, and the side of the plug-in block 31 is provided with a side clamping block 32. The surface of the circular screen frame 1 is provided with a plurality of slots 11 corresponding to the plug-in blocks 31, and the inner wall of one side of the slot 11 is penetrated by a clamping hole 12 corresponding to the side clamping block 32. The plug-in block 31 is inserted into the slot 11, and the side clamping block 32 is clamped in the clamping hole 12, so that the circular protective pad 3 can be stably installed on the front surface of the circular screen frame 1, and it is also convenient for the disassembly of the circular screen frame 1 in the later stage. When disassembling, you only need to buckle up the edge of the circular protective pad 3, and then pull the circular protective pad 3 hard to make the side clamping block 32 be squeezed and deformed, and finally squeezed out of the clamping hole 12, so that the plug-in block 31 can be smoothly pulled out of the slot 11, thereby quickly completing the disassembly of the circular protective pad 3.

[0023] Among them, a rectangular cavity is opened in the plug block 31, so that the side clamp block 32 has sufficient deformation space when squeezed, the plug block 31 and the side clamp block 32 are an integrated structure, the circular protective pad 3, the plug block 31 and the side clamp block 32 are all made of silicone material, and the cross-section of the side clamp block 32 is a right triangle.

[0024] Among them, a circular seal A33 is also fixed on the rear surface of the circular protective pad 3, and the circular seal A33 is also made of silicone material. The circular seal A33 is embedded in the connecting gap between the circular screen frame 1 and the touch screen body 2, and can form a circular seal at the connecting gap between the circular screen frame 1 and the touch screen body 2 to prevent the entry of foreign matter such as external dust. A circular seal B34 is also fixed on the rear surface of the circular protective pad 3. The circular seal B34 is made of silicone material. A circular sealing groove 21 corresponding to the circular seal B34 is opened at the edge of the touch screen body 2. The circular seal B34 is embedded in the circular sealing groove 21, which can further improve the sealing of the joint between the circular protective pad 3 and the touch screen body 2 to prevent the infiltration of foreign matter such as dust.

[0025] The flexible circuit board 8 is connected with a lead line row for subsequent line connection of the display screen.

[0026] Although the embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flexible touch display screen, comprising a circular screen frame (1), a touch screen body (2), a circular rear frame (5), a touch film (6), a flexible light-emitting film (7) and a flexible circuit board (8), wherein the touch screen body (2) is mounted on the inner side of the circular screen frame (1), the circular rear frame (5) is fixed to the rear surface of the circular screen frame (1), the touch film (6), the flexible light-emitting film (7) and the flexible circuit board (8) are glued and fixed to the rear surface of the touch screen body (2), and the touch film (6), the flexible light-emitting film (7) and the flexible circuit board (8) are all located on the inner side of the circular rear frame (5), the circular screen frame (1) is mounted at a mounting notch (41) provided on the surface of an external substrate (4), and the inner end of the circular rear frame (5) passes through the mounting notch (41) to the inner side of the external substrate (4), characterized in that: Two engaging components are arranged at the inner end of the circular rear frame (5), and the engaging components include an inner groove (51) provided inside the circular rear frame (5), a spring (52) and a right-angled trapezoidal telescopic block (53) are arranged inside the inner groove (51), the right-angled trapezoidal telescopic block (53) is movably installed in the inner groove (51) through the spring (52), the outer end of the right-angled trapezoidal telescopic block (53) pops out to the outer surface of the circular rear frame (5), and the outer end of the circular rear frame (5) is clamped on the inner side of the external substrate (4); A circular protective pad (3) is installed on the front surface of the circular screen frame (1), and the circular protective pad (3) covers the connection between the circular screen frame (1) and the touch screen body (2).

2. The flexible touch display screen according to claim 1, characterized in that: The inner end surface of the right-angled trapezoidal telescopic block (53) is provided with a cylindrical groove, one end of the spring (52) is fixed in the cylindrical groove, and the other end of the spring (52) is fixed on the inner wall of the inner groove (51).

3. The flexible touch display screen according to claim 1, characterized in that: The surface of the circular rear frame (5) is provided with an ejection hole corresponding to the right-angle trapezoidal telescopic block (53), and the ejection hole is communicated with the inner groove (51).

4. The flexible touch display screen according to claim 1, characterized in that: The rear surface of the circular protective pad (3) is provided with a plurality of integrated plug-in blocks (31), and the side surfaces of the plug-in blocks (31) are provided with side clamping blocks (32). The surface of the circular screen frame (1) is provided with a plurality of slots (11) corresponding to the plug-in blocks (31), and a clamping hole (12) corresponding to the side clamping block (32) is provided through the inner wall of one side of the slot (11); the plug-in block (31) is inserted into the slot (11), and the side clamping block (32) is clamped in the clamping hole (12).

5. The flexible touch display screen according to claim 4, characterized in that: A rectangular cavity is provided in the insert block (31); the insert block (31) and the side clamp block (32) are an integrated structure; and the cross section of the side clamp block (32) is a right triangle.

6. The flexible touch display screen according to claim 1, characterized in that: A circular seal strip A (33) is also fixed to the rear surface of the circular protective pad (3), and the circular seal strip A (33) is embedded in the connection gap between the circular screen frame (1) and the touch screen body (2).

7. The flexible touch display screen according to claim 1, characterized in that: A circular seal strip B (34) is also fixed to the rear surface of the circular protective pad (3), and a circular seal groove (21) corresponding to the circular seal strip B (34) is provided at the edge of the touch screen body (2), and the circular seal strip B (34) is embedded in the circular seal groove (21).

8. The flexible touch display screen according to claim 1, characterized in that: The flexible circuit board (8) is connected to a lead line row.

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