TWI452383B - Assembly fixture of liquid crystal display module - Google Patents

Description

Assembly fixture for liquid crystal display module

The invention relates to an assembly fixture for a liquid crystal display module, which mainly comprises a housing carrying an electronic device on a base, and then placing a frame body and an upper frame body on the base, and pulling the fixed column of the upper frame body The sliding block of the lower frame body fixes the sliding block to a predetermined position, so that when a liquid crystal display module is installed into the casing, the liquid crystal display module can follow the front end of the sliding blocks. Moving down and positioning into the housing effectively ensures that the perimeter of the liquid crystal display module maintains the same gap as the edge of the housing.

In recent years, with the development of mobile broadband Internet technology and the advancement of microcomputer technology, various electronic devices with Internet access and multimedia functions have been listed. Currently, the more common electronic devices are smart phones and personal digital assistants. In addition to the Personal Digital Assistant (PDA), there are products such as Tablet PCs and E-book Readers. These electronic devices are not only portable but also functional. It is also quite rich. In addition to being able to take pictures, play music, and process papers, it can also send and receive e-mails, download and play streaming media, etc. to meet the various needs of users.

The electronic device is generally equipped with a liquid crystal display module (LCM) as a main image display component, and the related technology of the liquid crystal display module is also a research and development focus of various manufacturers, especially The assembly work of the liquid crystal display module is also a concern of various manufacturers. According to hair For many years of research and observation by Ming people, most of the current manufacturers use manual assembly methods to install liquid crystal display modules into the housing of electronic devices, and use liquid crystal display modules by bonding or other fixing methods. It is fixed in the housing for subsequent assembly work of the electronic device. In the production line, the assembler must carefully align the liquid crystal display module and the casing of the electronic device when manually performing the above operations, so that the liquid crystal display module is mounted to the casing, and the periphery of the liquid crystal display module and the casing are The edge can maintain the same gap, so that after completing the assembly operation of the entire electronic device, the liquid crystal display module can be located in the center of the housing, so that the visual effect of the display meets the product design requirements.

However, the inventors have studied and observed for a long time that in the assembly work on the current production line, when the liquid crystal display module is mounted to the casing, the operator tends to skew the assembly, causing misalignment or mistakes. The problem, as a result, will result in the periphery of the liquid crystal display module and the edge of the housing, wherein the gap size is not uniform, so that the liquid crystal display module deviates from the correct position, so that not only can not meet the needs of product design, but also on the display The visual effect has an adverse effect, so that the yield of the product in which the liquid crystal display module is assembled cannot be effectively improved, which is not ideal. Furthermore, in the conventional assembly work, the assembler must spend a large amount of time aligning the liquid crystal display modules and the casing one by one to complete the assembly operation of the liquid crystal display module, which not only causes the assembly efficiency to be low, It increases the possibility of human error and also greatly increases the manufacturing cost, which is quite unsatisfactory.

Therefore, how to improve the problems in the installation of the conventional liquid crystal display module, in order to reduce or eliminate the probability of the liquid crystal display module deviating from the correct position, so that the liquid crystal display module can maintain a proper gap with the housing of the electronic device, and enhance The efficiency of assembly work can reduce the production cost while improving the yield of the product, that is, the invention An important topic to be explored.

In view of the many problems in the installation of the liquid crystal display module, the inventors have finally worked hard to study and experiment, and finally developed and designed the assembly fixture of the liquid crystal display module of the present invention to ensure the correct assembly of the liquid crystal display module. It avoids human error such as installation deflection of the liquid crystal display module, and improves the efficiency of assembly work, thereby effectively reducing manufacturing costs.

An object of the present invention is to provide an assembly fixture for a liquid crystal display module, comprising a base, a lower frame body and an upper frame body, wherein a top side of the base is recessed with a bearing space for carrying an electronic device shell The first housing is provided with a first through hole corresponding to the bearing space, and the lower frame is disposed on the top side of the base. The first through hole corresponds to the carrying space. The body is adjacent to the periphery of the first through hole, and is slidably disposed at least one sliding block, and an extending portion is protruded from a bottom side of the sliding block adjacent to the front end, and the extending portion is located in the first through hole, and The bottom surface of each of the sliding blocks adjacent to the rear end is respectively provided with an opening, and an inclined wall is formed in the opening, so that the aperture of the opening is gradually increased from top to bottom. The upper shelf system is disposed on a top side of the lower frame body, and the upper frame body defines a second through hole corresponding to the first through hole, and the bottom side of the upper frame body is adjacent to each other The position of the opening is downwardly extended a fixing post is disposed, the fixing post is located corresponding to the inclined wall, and when the upper frame is moved toward the lower frame to insert the fixing post into the opening of the sliding block, the fixing column can be inclined along the inclined column Displaceing the wall downwardly, causing the fixing post to pull the sliding block to move toward the rear end direction, so that the extending portion faces the edge of the housing corresponding to the installation space When a liquid crystal display module passes through the second and first through holes, the periphery of the liquid crystal display module can move downward along the front end of the sliding blocks and be positioned into the installation space of the housing. In this way, when the assembler places the housing on the base and fixes the sliding blocks with the fixing posts, the liquid crystal display module can be sequentially passed through the second and first through holes. In the installation space of the housing, since the periphery of the liquid crystal display module can abut against the front end of the sliding block and enter the housing, the periphery of the liquid crystal display module and the edge of the housing The ability to maintain the same or preset gap size and effectively solve the problem of uneven gap size can not only improve the efficiency of assembly, but also avoid misalignment and other factors, and greatly improve the yield of the product.

Another object of the present invention is to provide a through hole at a position adjacent to the front end of the sliding block, and a convex portion is protruded from the lower frame corresponding to the position of the through hole, and the protruding portion passes through the through hole. A spring is disposed, and one end of the spring is connected to the protruding portion, and the other end of the spring is connected to the sliding block. Thus, when the fixing post leaves the opening, the spring can return the sliding block to the position before being pulled by the elastic restoring force.

Another object of the present invention is to provide a plurality of elastic members between the lower frame and the upper frame, the top ends of the elastic members abutting the bottom side of the upper frame, and the bottom ends of the elastic members Abutting against the top side of the lower frame body to maintain a certain elasticity between the upper frame body and the lower frame body.

For your convenience, the review committee can make a further understanding and understanding of the purpose, structure and efficacy of the present invention. The embodiments are described in conjunction with the drawings, which are described in detail as follows:

The inventor has long been engaged in research and development and design of related fields such as liquid crystal display modules, and found that in the past, when assembling the liquid crystal display module to the housing of the electronic device, the assembler often occurs between the periphery of the liquid crystal display module and the housing. The gap size is not uniform, which causes the liquid crystal display module to deviate from the correct position after installation. This not only causes the product yield to be low, but also the conventional assembly method is more efficient and the like, which is quite unsatisfactory in the actual process. In view of this, the inventor thinks that the housing of the electronic device is carried by a base, and the structure of the upper frame and the lower frame is used to ensure that the liquid crystal display module can be correctly assembled into the casing of the electronic device. The period can effectively solve many problems of the well-known, and thereby improve product yield and assembly efficiency.

The present invention is an assembly tool of a liquid crystal display module (LCM). Referring to FIG. 1 , in the preferred embodiment of the present invention, the assembly jig 1 includes a base 10 and a lower portion. The frame body 11 and the upper frame body 12, wherein the top side of the base 10 is recessed with a bearing space 100 for carrying the housing 13 of an electronic device. The housing 13 is provided with a mounting space 130 (as shown in FIG. 2). The housing 13 can be a housing of an electronic device such as a mobile phone or a tablet computer, and the mounting space 130 is for mounting a liquid crystal display module 3 (as shown in FIG. 3).

As shown in FIG. 1 , the lower frame 11 is disposed on the top side of the base 10 , and the lower frame 11 defines a first through hole 110 , and the first through hole 110 is coupled to the bearing space 100 . Correspondingly, the lower frame body 11 is adjacent to the periphery of the first through hole 110, and two sliding blocks 14 are respectively slidably provided. However, the invention is not limited thereto, and the manufacturer may also according to the size of the casing 13 and other The factor is increased or decreased by the number of the sliding blocks 14. For example, a sliding block is respectively disposed on the lower frame body 11 adjacent to the first through hole 110. Any adjustments and changes that can be easily conceived by those skilled in the art should be equivalent to the present invention, without departing from the patent application of the present invention. Wai, together with Chen Ming. Referring to FIG. 2, FIG. 2 is a partial cross-sectional view of the preferred embodiment. In FIG. 2, an extension portion 140 is protruded from the bottom side of the sliding block 14 adjacent to the front end (left end in the figure). The extending portion 140 is located in the first through hole 110 and extends downwardly into the mounting space 130 of the housing 13 . Each of the sliding blocks 14 defines an opening 141 adjacent to the top side of the rear end. An inclined wall 141a is formed in the opening 141 such that the aperture of the opening 141 is tapered from top to bottom. In other words, in FIG. 2, the aperture of the opening 141 adjacent to the top end is larger than the aperture of the adjacent bottom end.

As shown in FIG. 1 , the upper frame 12 is disposed on the top side of the lower frame 11 , and the upper frame 12 defines a second through hole 120 . The second through hole 120 is coupled to the first through hole 120 . Corresponding to the through holes 110, the first through holes 110 and the second through holes 120 are passed through the liquid crystal display module 3 (shown in FIG. 3). Referring to the first and second figures, the bottom side of the upper frame 12 is adjacent to the position of each of the openings 141, and a fixing post 121 is disposed downwardly. The position of the fixing post 121 corresponds to the inclined wall 141a. . A through hole 142 is defined in the position of the sliding block 14 adjacent to the front end. The lower frame body 11 has a protruding portion 111 corresponding to the position of the through hole 142, and each of the protruding portions 111 passes through each of the through holes 142. A spring 20 is disposed in each of the through holes 142, and one end of the spring 20 is connected to the protruding portion 111, and the other end of the spring 20 is connected to the sliding block 14.

Referring to FIG. 3, when the upper frame 12 is moved toward the lower frame 11, and the fixing post 121 is inserted into the opening 141 of the sliding block 14, the fixing post 121 can be lowered along the inclined wall 141a. Displacement, the fixing post 121 pulls the sliding block 14 to move toward the rear end direction (right side in the drawing) to move the extending portion 140 toward the edge of the housing 13 corresponding to the mounting space 130, and at the same time, the spring 20 After being stressed The stretch is extended and an elastic potential energy is accumulated. It should be particularly noted that when designing and manufacturing the assembly jig 1 according to the concept of the present invention, the design of the sliding block 14 can be changed according to actual use requirements or other factors, so that the extension portion 140 can be moved after being moved. Further, the housing 13 is latched to correspond to the edge of the mounting space 130. Thus, the housing 13 can be more stably fixed to prevent the housing 13 from being displaced or disengaged, and the person skilled in the art. All changes and modifications that can be easily conceived are to be included in the scope of the patent application of the present invention. In addition, as shown in FIG. 1 , a plurality of elastic elements 15 are disposed between the lower frame 11 and the upper frame 12 , and the top ends of the elastic elements 15 are in contact with the bottom side of the upper frame 12 . The bottom end of the elastic member 15 abuts against the top side of the lower frame body 11 to maintain a certain elasticity between the upper frame body 12 and the lower frame body 11. As shown in FIGS. 3 and 4 , when a liquid crystal display module 3 sequentially passes through the second through hole 120 and the first through hole 110 , the periphery of the liquid crystal display module 3 can follow the sliding blocks 14 . The front end moves downward and is positioned into the installation space 130 of the housing 13. In addition, as shown in FIG. 4, when the assembler completes the installation of the liquid crystal display module 3, the fixing post 121 can be separated from the opening 141. At this time, the spring 20 can be elastically restored. The slider 14 is returned to the position before being pulled (as shown in Fig. 2).

According to the technical features of the present invention, when the assembler places the housing 13 on the base 10 and pulls and fixes the sliding blocks 14 with the fixing posts 121, the assembler can display the liquid crystal display module 3. And sequentially passing through the second through hole 120 and the first through hole 110, accurately placed and fixed (eg, bonded) into the installation space 130 of the housing 13, since the liquid crystal display mode during the installation process The periphery of the group 3 will abut against the front end of the sliding block 14, so that the liquid crystal display module 3 is fixed After the inside of the casing 13, the periphery of the liquid crystal display module 3 and the edge of the casing 13 can maintain the same or preset gap size, effectively avoiding the deviation of the reference due to assembly, and the gap size is not Uniform and other problems, not only can improve the efficiency of assembly, but also avoid the occurrence of misalignment and other factors, and greatly improve the yield of the product.

The above description is only a preferred embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any one skilled in the art can easily change in the technical field of the present invention. Or, modifications are intended to be included in the scope of the claims of the invention below.

1‧‧‧Assembled fixture

10‧‧‧Base

100‧‧‧ Carrying space

11‧‧‧Under frame

110‧‧‧First through hole

111‧‧‧ protruding parts

12‧‧‧Upper body

120‧‧‧Second through hole

121‧‧‧Fixed column

13‧‧‧Shell

130‧‧‧Installation space

14‧‧‧Sliding block

140‧‧‧Extension

141‧‧‧opening

141a‧‧‧ sloping wall

142‧‧‧Perforation

15‧‧‧Flexible components

20‧‧‧ Spring

3‧‧‧LCD module

1 is a schematic exploded perspective view of a preferred embodiment of the present invention; FIG. 2 is a partial cross-sectional view of a preferred embodiment of the present invention; and FIG. 3 is another partial cross-sectional view of a preferred embodiment of the present invention; 4 is a partial cross-sectional view of a preferred embodiment of the present invention.

1‧‧‧Assembled fixture

10‧‧‧Base

100‧‧‧ Carrying space

11‧‧‧Under frame

110‧‧‧First through hole

12‧‧‧Upper body

120‧‧‧Second through hole

121‧‧‧Fixed column

13‧‧‧Shell

14‧‧‧Sliding block

140‧‧‧Extension

15‧‧‧Flexible components

Claims (4)

An assembly fixture for a liquid crystal display module includes: a base having a bearing space recessed on a top side thereof for carrying and positioning a housing of an electronic device, wherein the housing is provided with an installation space; the lower frame body is provided a first through hole is defined in the lower frame of the base, and the first through hole is corresponding to the bearing space, and the lower frame is slidably disposed adjacent to the periphery of the first through hole There is at least one sliding block, and an extending portion is protruded from a bottom side of the sliding block adjacent to the front end, and the extending portion is located in the first through hole and can extend downward into the installation space of the housing, each of the An opening is formed in the top side of the sliding block adjacent to the rear end, and an inclined wall is formed in the opening, so that the aperture of the opening is tapered from top to bottom; and an upper frame is disposed on the lower frame a second through hole is defined in the upper frame, the second through hole is corresponding to the first through hole, and the bottom side of the upper frame is adjacent to the position of each of the openings, and a fixing is respectively downwardly extended. Column, the position of the fixed column and the inclination Corresponding to the wall, when the upper frame moves toward the lower frame, and the fixing column is inserted into the opening of the sliding block, the fixing column is displaced downward along the inclined wall, so that the fixing column pulls the sliding block toward Moving in a rearward direction to move the extension toward the edge of the housing corresponding to the mounting space. When a liquid crystal display module passes through the second and first through holes, the periphery of the liquid crystal display module is along The front ends of the sliders are moved downward and positioned into the installation space of the housing. The assembly jig of claim 1, wherein a position of the sliding block adjacent to the front end defines a through hole, and a convex portion is protruded from the lower frame corresponding to the position of the through hole, and the protruding portion passes through the protruding portion a perforation, a spring is disposed in the perforation, and the bullet One end of the spring is connected to the protruding portion, and the other end of the spring is connected to the sliding block. The assembly jig of claim 2, wherein a plurality of elastic members are disposed between the lower frame and the upper frame, and the top ends of the elastic members abut against the bottom side of the upper frame, the elasticity The bottom end of the component abuts the top side of the lower frame. The assembly jig of claim 3, wherein the extension hooks the card to correspond to an edge of the installation space after the sliding block is pulled by the fixing post.