Middle frame structure based on large-size panel design, sectional material and touch screen

Abstract

The utility model provides a middle frame structure based on large-size panel design, a profile and a touch screen, the middle frame structure based on the large-size panel design comprises a middle frame body and a colloid, the middle frame body comprises a bottom frame and a side frame, the side frame is arranged on the bottom frame in a surrounding mode, the inner side wall of the side frame and the upper wall face of the bottom frame are in arc transition connection to form an arc-shaped slope, and the colloid is arranged on the middle frame body. The colloid is arranged on the slope surface; the smooth transition arc slope surface is arranged at the joint of the inner wall surface of the side frame and the upper surface of the bottom frame, and the colloid is coated on the slope surface, so that when a product needs to be reworked, an operator can pull the colloid out of the space between the panel and the bottom frame, and the colloid is completely separated from the space between the panel and the profile; the colloid has the pulling space separated from the space between the panel and the wall surface of the bottom frame, an operator can pull the colloid in the direction deviating from the bottom frame and facing the outer wall surface of the side frame, the colloid between the wall surface of the bottom wall and the panel does not need to be separated in a cutting mode, and the efficiency of removing the colloid during reworking is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to big size touch -sensitive screen technical field, specifically, relate to a kind of middle frame structure based on big size panel design. BACKGROUND

[0002] Traditional big size panel carries out whole machine assembly, and the fitting mode is through double-sided adhesive tape, and the double-sided adhesive tape is first attached on profile by manual attachment, and the panel is attached on profile to form false paste, the release film on the contact surface of double-sided adhesive tape is removed after artificial confirmation fitting position, so that the panel and the double-sided adhesive tape on profile form direct fitting, and then directly use hand or hand-held small roller to press together.In the past two years, with the renewal development of touch screen industry, the connection between panel and profile is realized by using automatic dispensing equipment to apply adhesive on profile, which has become the mainstream of large-size touch screen manufacturing method.

[0003] The traditional method of connecting panel and middle frame by double-sided adhesive tape is limited by the accuracy of manual operation, and screen assembly will inevitably have defects, resulting in rework.When the product needs rework due to problems, plastic sheet is used to cut and separate the double-sided adhesive tape from the profile and the panel, and then the residual double-sided adhesive tape on the panel and the profile is removed.In the cutting and separating process, debris is easily generated, which pollutes the optical film and the panel of the whole machine, and additional cleaning is required, resulting in a large amount of time spent and low secondary yield during rework.

[0004] The dispensing method using automatic dispensing equipment can improve the process yield, but in actual application, there may still be defects in the product that need rework.

[0005] In the prior art, please refer to Figure 1 , Figure 1 is a schematic view of the cooperation between middle frame and panel in the background technology, the middle frame 100 of profile includes bottom wall 110 and side wall 120, the side wall 120 is vertically arranged on the bottom wall 110, and the included angle between the bottom wall 110 and the side wall 120 is ∠α, ∠α=90°, that is, the wall surface and the wall surface are designed at right angles, and after dispensing, the adhesive is bonded between the bottom wall 110 wall surface and the panel.When the product needs rework to remove the adhesive, the operator cannot pull the adhesive, but only can separate the adhesive between the bottom wall wall surface and the panel by cutting, which causes the adhesive to be unable to completely separate from the profile and the panel, thereby affecting the rework process. INVENTION CONTENTS

[0006] In view of the deficiencies of the prior art, the present application provides a middle frame structure based on big size panel design, profile and touch screen.

[0007] The middle frame structure based on the large-size panel design disclosed in the application comprises a middle frame body and a glue body, the middle frame body comprises a bottom frame and a side frame, the side frame is arranged around the bottom frame, the inner side wall of the side frame and the upper wall surface of the bottom frame are connected through an arc transition, forming a circular arc slope surface, and the glue body is arranged on the slope surface.

[0008] Preferably, the angle between the tangent of the longitudinal section of the slope surface and the plane where the bottom frame is located is ∠β, and 30°≤∠β≤80°.

[0009] Preferably, the side frame comprises four surrounding edges, the four surrounding edges are arranged around the bottom frame respectively, and the four surrounding edges are connected, and adjacent two surrounding edges are connected to form an R angle.

[0010] Preferably, the middle frame structure based on the large-size panel design further comprises a release film, the release film is arranged on the slope surface and located between the slope surface and the glue body, and the area of the release film is smaller than the area of the slope surface.

[0011] According to another aspect of the utility model, the application further provides a profile which comprises the middle frame structure based on the large-size panel design.

[0012] According to another aspect of the utility model, the application further provides a touch screen which comprises the profile.

[0013] The application has the beneficial effect that by arranging a smooth transition circular arc slope surface at the connecting position of the inner wall surface of the side frame and the upper surface of the bottom frame, the glue body is coated on the slope surface, when the product needs to be reworked, the operator can pull out the glue body from between the panel and the bottom frame, so as to completely separate the glue body from between the panel and the profile, compared with the traditional middle frame structure of the profile, the connecting position of the inner wall surface of the side frame and the upper wall surface of the bottom frame is arranged as a circular arc slope surface, so that the glue body has a pulling space for separating from between the panel and the bottom wall surface, the operator can pull the glue body in the direction away from the bottom frame and towards the outer wall surface of the side frame, without the need to separate the glue body between the bottom wall surface and the panel by cutting, and the efficiency of removing the glue body during rework is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the application, and form a part of the application, the schematic embodiments of the application and the description thereof are used to explain the application, and do not constitute improper limitation on the application. In the drawings:

[0015] Figure 1 It is a schematic diagram of the cooperation relationship between the middle frame and the panel in the background art;

[0016] Figure 2 It is a top view of the middle frame structure based on the large-size panel design in the embodiment;

[0017] Figure 3 It is a schematic diagram of the slope surface structure in the embodiment;

[0018] Figure 4 A schematic diagram of a gel coating process;

[0019] Figure 5 A schematic diagram of the position relationship between the gel and the middle frame body;

[0020] Figure 6 A schematic diagram of the cooperation relationship between the release film and the middle frame body.

[0021] Reference signs:

[0022] 1 - middle frame body; 2 - gel; 3 - release film;

[0023] 11 - bottom frame; 12 - side frame; 13 - slope surface;

[0024] 121 - surrounding edge;

[0025] 100 middle frame; 110 - bottom wall; 120 - side wall. DETAILED DESCRIPTION

[0026] In the following, a plurality of embodiments of the present application will be disclosed with reference to the drawings. For the purpose of clear illustration, a number of practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the present application. That is, in some embodiments of the present application, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0027] It should be noted that all directional references, such as upper, lower, left, right, front, rear, etc., are in relation to the specific orientation shown in the drawings and are used only to illustrate the relative position of the components in the drawings. If the orientation is changed, the directional references will also be changed accordingly.

[0028] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the present application. It is merely to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor within the protection scope claimed by the present application.

[0029] In order to further understand the application content, characteristics and effects of the present application, the following embodiments are exemplified and described in detail as follows with reference to the drawings.

[0030] Embodiment one

[0031] Please refer to Figure 2 and Figure 3 , Figure 2 is a top view of the middle frame structure based on large-size panel design, Figure 3 is a schematic diagram of the slope surface 13, the middle frame structure based on large-size panel design in this example includes a middle frame body 1 and a glue body 2, the middle frame body 1 is used to carry the panel, and the glue body 2 is used to fix the panel and the middle frame body 1, and the glue body 2 is coated on the middle frame body 1 by an automatic dispensing equipment.

[0032] Among them, the middle frame body 1 includes a bottom frame 11 and a side frame 12, the side frame 12 is surrounded by the bottom frame 11, the wall surface of the side frame 12 is connected with the upper wall surface of the bottom frame 11 to form a slope surface 13, the slope surface 13 is in a circular arc shape, and the glue body 2 is arranged on the slope surface 13.

[0033] Specifically, the inner wall surface of the side frame 12 is connected with the upper wall surface of the bottom frame 11 to form a slope surface 13 with an arc, the slope surface 13 is in a circular arc shape, the cross section of the slope surface 13 is in an arc shape, the slope surface 13 surrounds the bottom frame 11, the glue body 2 is coated on the slope surface 13, that is, the glue body 2 is coated at the edge of the side frame 12 and the bottom frame 11, and the side frame 12 and the bottom frame 11 are integrally formed.

[0034] Please refer to Figure 4 and Figure 5 , Figure 4 is a schematic diagram of the glue coating process, Figure 5 is a schematic diagram of the position relationship between the glue and the middle frame body, in specific application, the middle frame body 1 is placed horizontally on the ground or a workbench, the glue body 2 is uniformly and continuously coated on the slope surface 13 by an automatic dispensing equipment, when the panel and the profile are assembled, the panel is aligned with the position to be attached, and then the panel is placed on the glue body 2 of the middle frame structure based on large-size panel design by manual or mechanical carrying, the pressing panel is placed on the flat glass or the object, and the pressing panel is away from the bottom frame 11, and then the pressing panel and the object of the middle frame structure based on large-size panel design are removed from the surface of the panel, and the assembly of the panel and the middle frame structure based on large-size panel design is completed. When the product needs to be reworked, the operator first opens a gap in the continuous glue body 2, uses the gap of the glue body 2 as a tear hand, and pulls the glue body 2 along the middle frame body 1 through the tear hand. When the glue body 2 is pulled up, the user needs to apply force in the direction away from the bottom frame 11 and pull towards the outer wall surface of the side frame 12, so that the glue body 2 is pulled out between the gap between the panel periphery and the frame, until the glue body 2 is completely pulled off the slope surface 13, and the panel can be taken out of the middle frame structure based on large-size panel design for subsequent rework operation.

[0035] Therefore, by setting the smooth transition arc slope 13 at the connection between the inner wall surface of the side frame 12 and the upper surface of the bottom frame 11, the gel 2 is coated on the slope 13. When the product needs to be reworked, the operator can pull out the gel 2 between the panel and the bottom frame 11, so as to completely separate the gel 2 from the panel and the profile. Compared with the traditional profile middle frame structure, the connection between the inner wall surface of the side frame 12 and the upper wall surface of the bottom frame 11 is set as an arc slope 13, so that the gel 2 has a pulling space away from the panel and the wall surface of the bottom frame 11. The operator can pull the gel 2 in a direction away from the bottom frame 11 and towards the outer wall surface of the side frame 12, without the need to separate the gel 2 between the bottom wall surface and the panel by cutting, thereby improving the efficiency of removing the gel 2 during rework.

[0036] Further, the angle between the tangent of the longitudinal section of the slope 13 and the plane where the bottom frame 11 is located is 30°-80°, that is, 30°≤∠β≤80°.

[0037] Please refer to Figure 3 , wherein the longitudinal section of the slope 13 refers to the section of the slope along the height direction, that is, after cutting the slope 13 along the vertical horizontal direction, the surface formed by the slope 13, and the tangent of the section of the slope refers to the tangent of the arc formed by the outer surface of the slope on the longitudinal section of the middle frame structure designed based on the large-size panel, and the plane where the bottom frame is located refers to the horizontal plane.

[0038] Therefore, the operator can pull the gel 2 in a direction away from the bottom frame 11 and towards the outer wall surface of the side frame 12 by 30°-80°. When pulling the gel 2 counterclockwise, that is, pulling the gel 2 towards the upper right of the gel 2.

[0039] Further, the side frame 12 includes four surrounding edges 121, which are respectively arranged around the bottom frame 11, and the four surrounding edges 121 are connected, and adjacent two surrounding edges 121 are connected to form an R angle.

[0040] Therefore, the end of the surrounding edge 121 is connected by a large R angle transition, which facilitates the change of the direction of the gel 2 during rework. When pulling the gel 2 from one surrounding edge 121 to another surrounding edge 121, the gel 2 can be smoothly pulled out, ensuring that the pulling direction of the gel 2 is consistent with the force direction.

[0041] Please refer to Figure 6 , Figure 6 is a schematic view of the cooperation between the release film and the middle frame body. Further, the middle frame structure designed based on the large-size panel also includes a release film 3, which is arranged on the slope 13 and located between the slope 13 and the gel 2. The area of the release film 3 is smaller than that of the slope 13.

[0042] Specifically, the release film 3 can be arranged at any position of the slope 13. During rework, the gel 2 coated at the position of the release film 3 can be easily lifted and used as a handle to pull out the gel 2.

[0043] Embodiment Two

[0044] The profile in this example includes the middle frame structure based on the large-size panel design in Embodiment One.

[0045] Embodiment Three

[0046] The touch screen in this example includes the profile in Embodiment Two.

[0047] In summary, by setting a smooth transition arc slope at the connection between the inner wall surface of the side frame and the upper surface of the bottom frame, the glue is coated on the slope. When the product needs to be reworked, the operator can pull the glue out of the panel and the bottom frame, thereby completely separating the glue from the panel and the profile. Compared with the traditional profile middle frame structure, the connection between the inner wall surface of the side frame and the upper wall surface of the bottom frame is set as an arc-shaped slope, so that the glue has a pulling space away from the panel and the bottom wall surface. The operator can pull the glue in a direction away from the bottom frame and towards the outer wall surface of the side frame, without the need to separate the glue between the bottom wall surface and the panel by cutting. This improves the efficiency of removing the glue during rework.

[0048] The above is merely an embodiment of the present application and is not intended to limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the scope of the claims of the present application.

Claims

1. A middle frame structure based on a large-size panel design, characterized in that, The application relates to a middle frame structure based on a large-size panel design. The middle frame body (1) comprises a bottom frame (11) and a side frame (12), the side frame (12) is arranged around the bottom frame (11), the inner side wall of the side frame (12) and the upper wall surface of the bottom frame (11) are connected through arc transition, a circular-arc slope surface (13) is formed, and the glue body (2) is arranged on the slope surface (13). 2.The middle frame structure based on a large-size panel design according to claim 1, characterized in that, The included angle between the tangent of the longitudinal section of the slope surface (13) and the plane where the bottom frame (11) is located is angle beta, 30 DEG <= angle beta <= 80 DEG. 3.The middle frame structure based on a large-size panel design according to claim 1, characterized in that, The side frame (12) comprises four surrounding edges (121), the four surrounding edges (121) are arranged around the bottom frame (11) respectively, and the four surrounding edges (121) are connected, and the adjacent two surrounding edges (121) are connected to form an R angle. 4.The middle frame structure based on a large-size panel design of claim 1, wherein, The application further relates to a release film (3), which is arranged on the slope surface (13) and located between the slope surface (13) and the glue body (2), and the area of the release film (3) is smaller than that of the slope surface (13).

5. A profile, characterized in that The application relates to a middle frame structure based on a large-size panel design.

6. A touch screen, characterized by The application relates to a profile.

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