TWI719389B - Positioning fixture - Google Patents

Abstract

A positioning fixture includes a carrier and a plurality of positioning blocks. The carrier has an accommodating groove. The positioning blocks are movably disposed on the carrier and surround the accommodating groove. Each of the positioning blocks includes a positioning portion, and each of the positioning portions faces the accommodating groove and is configured to extend to the accommodating groove.

Description

Positioning fixture

The present invention relates to a jig, and particularly relates to a positioning jig.

In recent years, in pursuit of maximizing the size of the display screen, narrow bezel display devices have gradually become the mainstream of the market. As the width of the frame of the display device is reduced, the accuracy required for the gap between the back cover of the display device and the display panel is gradually improved. Therefore, in the process of assembling the display device, it is necessary to manually glue multiple positioning sheets around the back cover, and then glue the back cover. Then, the display panel is assembled to the back cover. At this time, these positioning pieces can be used to control the gap between the display panel and the back cover. After the gap between the control display panel and the back cover meets the assembly specifications, the display panel is glued and fixed. In the back cover. Finally, these positioning pieces are removed, and the assembling steps of the display device are generally completed.

However, the above-mentioned assembly steps of the display device not only consume manpower and man-hours, and whether the positioning sheet is assembled in place may easily cause the gap between the display panel and the back cover to be unable to be accurately controlled, resulting in the yield rate of the assembled display device. And reliability decline. Furthermore, due to the wear or replacement of the positioning piece, the assembly cost will increase.

The invention provides a positioning jig, which can not only accurately control the gap between the back cover and the display panel, but also improve the assembly efficiency and reduce the assembly cost.

The positioning jig according to an embodiment of the present invention includes a bearing seat and a plurality of positioning blocks. The bearing seat has a receiving groove. These positioning blocks are movably arranged on the bearing seat and surround the receiving groove. Each positioning block includes a positioning part, and each positioning part faces the receiving slot and is used to extend into the receiving slot.

In an embodiment of the present invention, the above-mentioned receiving groove has a bottom surface and an inner wall surface connecting the bottom surface, and each positioning portion extends toward the bottom surface of the receiving groove. In the direction perpendicular to the normal direction of the bottom surface, the orthographic projection of each positioning portion on the bearing seat falls on the inner wall surface of the receiving groove.

In an embodiment of the present invention, the above-mentioned bearing seat further has a mounting surface surrounding the receiving groove, and each positioning block is movably disposed on the mounting surface. Each positioning block has a butting surface for contacting the mounting surface, each positioning part is a positioning piece, the first end of each positioning piece is fixed to the corresponding butting surface, and the second end of each positioning piece extends into the housing groove.

In an embodiment of the present invention, the above-mentioned carrier further has a mounting surface surrounding the receiving groove. The positioning fixture further includes a plurality of bases installed on the mounting surface, wherein the positioning blocks are pivotally connected to the bases, and the positioning blocks are used to contact the mounting surface or rotate relative to the bases in a direction away from the receiving groove. Move away from the mounting surface.

In an embodiment of the present invention, each of the above-mentioned positioning blocks has a butting surface for contacting the mounting surface, and each positioning block further includes a first temporary positioning member. The first temporary positioning member is arranged on the butting surface and used for fixing the positioning block on the bearing seat.

In an embodiment of the present invention, the above-mentioned mounting surface is provided with a plurality of second temporary positioning members, which are configured to cooperate with the first temporary positioning members when the abutting surfaces of the positioning blocks contact the mounting surface.

In an embodiment of the present invention, the above-mentioned first temporary positioning member is a magnet.

In an embodiment of the present invention, the above-mentioned bearing seat further has a mounting surface surrounding the receiving groove, and the positioning blocks are movably arranged on the mounting surface. The positioning jig further includes a plurality of guide members and a plurality of stop members, wherein the guide members are arranged on the mounting surface, and the positioning blocks are slidably arranged on the guide members. The positioning blocks are used for contacting the mounting surface or being guided by these guides to move away from the mounting surface.

In an embodiment of the present invention, each of the above-mentioned positioning blocks has a stop surface facing the corresponding stopper, and each positioning block further includes a first temporary stopper, which is arranged on the stop surface and is used for After the positioning block moves toward the stopper, the positioning block is fixed to the stopper.

In an embodiment of the present invention, each of the above-mentioned stoppers is provided with a second temporary stopper facing the corresponding positioning block, and these second temporary stoppers are used for positioning the positioning blocks toward the stoppers After being moved, it is matched with these first temporary limiting parts.

In an embodiment of the present invention, the above-mentioned first temporary limiting member is a magnet.

In an embodiment of the present invention, the above-mentioned bearing seat further has a mounting surface surrounding the receiving groove, and the positioning blocks are slidably disposed on the mounting surface. The positioning jig further includes a plurality of bases and a plurality of fasteners. These bases are installed on the mounting surface, and each base includes a buckle mechanism. The fasteners are connected to the positioning blocks and are located between the positioning blocks and the bases. Each buckle is aligned with the corresponding buckle mechanism and extends toward the corresponding base. After the positioning blocks slide toward the bases to move the positioning parts out of the receiving groove, the buckles are buckled into the buckle mechanisms.

In an embodiment of the present invention, each of the above-mentioned positioning blocks has a positioning surface facing away from the base and an inclined surface, each positioning surface is perpendicular to the bottom surface of the receiving groove, and each inclined surface is inclinedly connected to the corresponding positioning surface. The positioning part of each positioning block is bounded by the positioning surface and the area adjacent to the positioning surface of the inclined surface, and the orthographic projection of each positioning part on the bearing seat falls on the bottom surface of the receiving groove.

In an embodiment of the present invention, the above-mentioned positioning jig further includes a plurality of elastic members, which are arranged between the bases and the positioning blocks, and each elastic member is arranged side by side with the corresponding buckle member.

Based on the above, the positioning jig of the present invention can be used to assist in assembling the display device to save labor costs. On the other hand, in the process of assembling the display device, the positioning jig can accurately control the gap between the display panel and the back cover through the positioning part of the positioning block, and the gap between the control display panel and the back cover meets the assembly specifications After that, the display panel is glued and fixed to the back cover, so that not only can the yield and reliability of the assembled display device be greatly improved, but also the assembly efficiency can be improved. On the other hand, because the positioning block of the positioning jig does not need to be repeatedly disassembled or replaced frequently, and is movably arranged on the bearing seat, it is not only quite convenient for production line personnel to operate, but also helps to reduce assembly costs.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

Please refer to FIGS. 1A, 1B and 2A. In this embodiment, the positioning jig 100 includes a bearing seat 110 and a plurality of positioning blocks 120. The bearing seat 110 has a receiving groove 111, and the length and width of the receiving groove 111 are It matches the length and width dimensions of the back cover 10 (see FIG. 2A) placed thereafter. On the other hand, the positioning block 120 is disposed around the receiving groove 111, wherein the supporting base 110 has a mounting surface 110a surrounding the receiving groove 111, and the positioning block 120 is rotatably disposed on the mounting surface 110a. Furthermore, the receiving groove 111 has a bottom surface 111a and an inner wall surface 111b connecting the bottom surface 111a, wherein the inner wall surface 111b connects the mounting surface 110a and the bottom surface 111a, and there is a height difference between the mounting surface 110a and the bottom surface 111a, which is equivalent to the inner wall surface 111a. The height of the wall 111b.

The positioning jig 100 further includes a plurality of bases 130 installed on the mounting surface 110 a of the carrying surface 110. Each positioning block 120 is pivotally connected to at least one base 130 through the pivoting mechanism 140, and each positioning block 120 is pivotally connected to a side of the corresponding base 130 close to the receiving slot 111. As shown in FIGS. 1A and 1B, each positioning block 120 contacts the mounting surface 110a, and the production line personnel can apply force to each positioning block 120 so that each positioning block 120 moves away from the housing through the corresponding pivoting mechanism 140 The direction of the groove 111 rotates relative to the corresponding base 130 to move away from the mounting surface 110a, and each positioning block 120 rotated to be positioned bears on the corresponding base 130, as shown in FIG. 2A. In other embodiments, the positioning block can be pivotally connected to the mounting surface of the supporting base through a pivoting mechanism without a base.

In this embodiment, each base 130 is provided with at least one locking groove 131, and each locking groove 131 is correspondingly provided with a locking accessory 132, such as a screw. By passing each locking accessory 132 through the locking groove 131 of the corresponding base 130, and further locking the locking accessory 132 into the supporting base 110, the base 130 is locked and fixed to the supporting base 110. Based on the cooperation of each lock attachment 132 with the corresponding lock slot 131, the production line personnel can loosen the lock attachment 132 as required, so that the base 130 cooperates with the guide of the lock attachment 132 to face each other in a direction approaching or away from the receiving slot 111 It slides on the supporting base 110 and re-locks the locking attachment 132 after being adjusted to the position, so that the base 130 is locked and fixed to the supporting base 110 again.

Please continue to refer to FIGS. 1A, 1B and 2A, each positioning block 120 includes at least one positioning portion, wherein the positioning portion can be a plurality of positioning pieces 121, and the positioning pieces 121 can be made of plastic, which can be elastically deformed under force . Each positioning piece 121 extends from the side of the corresponding positioning block 120 facing the receiving groove 111. In the state shown in FIGS. 1A and 1B, each positioning piece 121 extends into the receiving groove 111 and obliquely faces the receiving groove. The bottom surface 111a of 111 extends.

In order to improve the flexibility of operation or facilitate the replacement of the damaged positioning piece 121, each positioning piece 121 is detachably mounted to the corresponding positioning block 120. 1B, 2A and 2B, each positioning block 120 has a mating surface 120a for contacting the mounting surface 110a, wherein each positioning piece 121 can be roughly divided into a first end 121a and a second end 121b, the first The end 121 a is detachably fixed to the mating surface 120 a of the corresponding positioning block 120, and the second end 121 b extends obliquely into the receiving groove 111. In other words, in the direction PD perpendicular to the normal direction N of the bottom surface 111a, the orthographic projection of the second end 121b of each positioning piece 121 on the bearing seat 110 falls on the inner wall surface 111b of the receiving groove 111.

Specifically, the mating surface 120 a of each positioning block 120 is provided with a groove 122 for receiving the first end 121 a of the positioning piece 121. The first end 121a of each positioning piece 121 is provided with a through hole 121c. After the first end 121a of the positioning piece 121 is installed in the groove 122, the through hole 121c is first aligned with the lock hole 122a in the groove 122, and then the The gasket 123 is inserted into the groove 122 so that the gasket 123 abuts against the first end 121 a of the positioning piece 121, and the perforation 123 a of the gasket 123 is aligned with the perforation 121 c of the positioning piece 121. Finally, the locking member 124 is passed through the perforation 123a of the gasket 123 and the perforation 121c of the positioning piece 121 in sequence, and is locked into the locking hole 122a in the groove 122 to lock and fix the first end 121a of the positioning piece 121 to Corresponding in the groove 122.

The head 124a of the fastener 124 and the first end 121a of the positioning piece 121 are separated by the spacer 123, and the pressure applied by the head 124a of the fastener 124 to the first end 121a of the positioning piece 121 can be determined based on the setting of the spacer 123 It acts evenly on the first end 121a of the positioning piece 121 to prevent the pressure applied by the head 124a of the fastener 124 from being concentrated on a specific area of the first end 121a of the positioning piece 121 and causing the positioning piece 121 to be damaged. On the other hand, the head 124a of the locking member 124 is received in the groove 122 and will not exceed the mating surface 120a of the positioning block 120, so the head 124a of the locking member 124 will not hinder the contact of the mating surface 120a of the positioning block 120. The situation of the mounting surface 110a of the bearing seat 110.

In this embodiment, each positioning block 120 is provided with a first temporary positioning member 125 on its mating surface 120a. The first temporary positioning member 125 can be embedded in the positioning block 120 and will not protrude from the mating surface 120a. On the other hand, the mounting surface 110a of the supporting base 110 may be provided with a second temporary positioning member 112 corresponding to the first temporary positioning member 125, wherein the second temporary positioning member 112 can be embedded in the supporting base 110 without protruding于Mounting surface 110a. Further, the first temporary positioning member 125 may be a magnet, and the second temporary positioning member 112 may be a magnetically attracted member. After the abutting surface 120a of the positioning block 120 contacts the mounting surface 110a of the carrier 110, based on the first temporary positioning With the cooperation of the positioning member 125 and the second temporary positioning member 112, the positioning block 120 can be magnetically fixed to the mounting surface 110a of the bearing seat 110, and will not be easily affected by external force and move away from the receiving groove 111 relative to the corresponding base. The seat 130 rotates.

In other embodiments, the first temporary positioning member may be a magnetically attracted member, and the second temporary positioning member may be a magnet. Alternatively, the first temporary positioning member and the second temporary positioning member may be magnets respectively, and magnetically attract each other. Alternatively, the first temporary positioning member may be a magnet, and the bearing base may be made of a magnetically attracted material, so there is no need to provide a second temporary positioning member. Alternatively, the second temporary positioning member may be a magnet, and the positioning block may be made of a magnetically attracted material, so there is no need to provide the first temporary positioning member. Alternatively, the first temporary positioning member and the second temporary positioning member may be a combination of a hook and a slot.

The steps of assembling the display device 30 (see FIG. 4A) are described below.

Please refer to Figures 1A and 1B first, because the side of each positioning block 120 facing the receiving slot 111 extends into the receiving slot 111 (or, the side of each positioning block 120 facing the receiving slot 111 is placed in the back cover 10 The moving path in the receiving groove 111), and each positioning piece 121 extends into the receiving groove 111 (or each positioning piece 121 is located on the moving path of the back cover 10 into the receiving groove 111). Before the cover 10 is placed in the receiving slot 111, each positioning block 120 must be rotated relative to the corresponding base 130 in a direction away from the receiving slot 111, and each positioning block 120 rotated to be positioned should bear on the corresponding The base 130 is shown in FIG. 2A. At this time, each positioning block 120 and each positioning piece 121 move away from the moving path of the back cover 10 into the receiving groove 111, and the production line personnel can smoothly put the back cover 10 into the receiving groove 111 without It will be hindered by the positioning block 120 and the positioning piece 121.

Next, referring to FIGS. 3A and 3B, after the back cover 10 is placed in the receiving groove 111, each positioning block 120 is made to face the corresponding base 130 in a direction close to the receiving groove 111, and rotated to the position after positioning Each of the positioning blocks 120 contacts and is temporarily fixed to the mounting surface 110a of the bearing base 110. At this time, the side of each positioning block 120 facing the receiving groove of the receiving groove 111 falls directly above the side wall 10 a of the back cover 10 to prevent the back cover 10 from sliding out of the receiving groove 111 easily. On the other hand, the second end 121b of each positioning piece 121 extends obliquely into the back cover 10, wherein the back cover 10 has a recess 11 for accommodating the display panel 20 (see FIG. 4A), and the second end 121b of each positioning piece 121 The end 121b extends into the recess 11.

Next, referring to FIGS. 4A and 4B, the display panel 20 is inserted into the recess 11 of the back cover 10 by the guide of the positioning block 120 and the positioning piece 121. At this time, the edge of the display panel 20 will be pressed against the positioning piece 121 The positioning 121 is elastically deformed. Based on the positioning of the positioning piece 121, a gap G can be maintained between the display panel 20 and the side wall 10a of the back cover 10. For example, the positioning blocks 120 are distributed on at least three sides of the bearing base 110, that is, the number of positioning blocks 120 is at least three, and can be increased according to actual needs. Furthermore, the positioning blocks 120 distributed on at least three sides of the supporting base 110 can control the gap G between at least three sides of the display panel 20 and the side wall 10a of the back cover 10 through the positioning pieces 121 thereon. With the aid of the positioning jig 100, not only can the manpower for assembling the display device 30 be saved, the positioning jig 100 can also precisely control the display panel 20 and the back cover through the positioning portion of the positioning block 120 during the assembly of the display device 30 The gap G between 10.

Following the above, the recess 11 of the back cover 10 is provided with adhesive strips or coated with glue. After the gap G between the control display panel 20 and the back cover 10 meets the assembly specifications, the display panel 20 is glued and fixed to the back cover 10 In this way, not only can the yield and reliability of the assembled display device 30 be greatly improved, but also the assembly efficiency can be improved. On the other hand, because the positioning block 120 and the positioning piece 121 of the positioning jig 10 do not need to be repeatedly disassembled or replaced frequently, and are movably arranged on the carrier 110, it is not only quite convenient for production line personnel to operate, but also helps to reduce assembly costs. .

It is worth mentioning that each positioning block 120 has an inclined surface 120b inclined to the bottom surface 111a of the receiving groove 111. Guided by the inclined surface 120b of each positioning block 120, the display panel 20 can be more smoothly inserted into the back cover 10的孔11内。 In the depression 11.

After the display device 30 is assembled, firstly, each positioning block 120 is rotated relative to the corresponding base 130 in a direction away from the receiving slot 111, and each positioning block 120 rotated to be positioned is supported against the corresponding base. 130. After that, the display device 30 can be taken out from the receiving tank 111. As shown in FIG. 1A, the supporting base 110 may be provided with at least two openings 113, which are located on opposite sides of the receiving groove 111 and communicate with the receiving groove 111. On the other hand, a through groove 114 may be provided in the receiving groove 111, and the through groove 114 penetrates the carrier 110 from the bottom surface 111 a of the receiving groove 111. Based on the arrangement of the slot 113 and the through slot 114, it is helpful for the production line to reduce the difficulty of placing the back cover 10 and taking out the assembled display device 30.

Other embodiments will be listed below, and the same or similar design principles between the embodiments will not be repeated, and the differences between the embodiments will be mainly described.

Please refer to FIGS. 5 and 6, the difference between the positioning jig 200 of this embodiment and the positioning jig 100 of the first embodiment lies in the movement mode of the positioning block. In this embodiment, each positioning block 220 can move closer to or away from the mounting surface 210a along a direction perpendicular to the mounting surface 210a. Further, the positioning jig 200 further includes a plurality of guide members 250 and a plurality of stops. The guiding member 250 can be a guiding post or other suitable guiding structure provided on the mounting surface 210a, and the stopper 230 is mounted on the end of the guiding member 250 away from the mounting surface 210a. In other words, the stopper 230 is supported by the guide 250 and is installed above the mounting surface 210, thereby restricting the positioning block 220 guided by the guide 250 from sliding back and forth between the mounting surface 210 and the stopper 230 .

Each positioning block 220 is slidably disposed on at least one guiding member 250 or at least one group of guiding members 250. In this embodiment, the guiding member 250 penetrates the positioning block 220. On the other hand, the positioning block 220 may be provided with a handle 260 to facilitate the production line personnel to control the movement of the positioning block 220. In detail, each positioning block 220 has a stop surface 220b facing the corresponding stopper 230, and the stop surface 220b and the mating surface 220a are opposite to each other. The stopping surface 220 b of each positioning block 220 is provided with a first temporary limiting member 226, and each stopping member 230 is provided with a second temporary limiting member 233 facing the corresponding positioning block 220. After the positioning block 220 moves toward the stopper 230, the second temporary stopper 233 cooperates with the first temporary stopper 226, so that the positioning block 220 is temporarily fixed to the stopper 230 without falling back easily. Mounting surface 210a. Thereby, during the time when the back cover 10 is placed in the receiving groove 211 of the supporting base 210, the positioning block 220 falls back to the mounting surface 210a and pinching the production line personnel is avoided, which helps to improve the safety of the production line personnel during operation. Sex.

In this embodiment, the first temporary limiting member 226 may be a magnetic attraction member, and the second temporary limiting member 233 may be a magnetic attraction member. In other embodiments, the first temporary limiting member may be a magnetically attracted member, and the second temporary limiting member may be a magnet. Alternatively, the first temporary limiting member and the second temporary limiting member may be magnets respectively, and they are magnetically attracted to each other. Alternatively, the first temporary limiting member may be a magnet, and the stopping member may be made of a magnetically attracted material, so there is no need to provide a second temporary limiting member. Alternatively, the second temporary limiting member may be a magnet, and the positioning block may be made of a magnetically attracted material, so there is no need to provide the first temporary limiting member. Or, the first temporary limiting member and the second temporary limiting member may be a combination of a hook and a slot.

After the coupling relationship between the positioning block 220 and the stopper 230 is released, the positioning block 220 is moved toward the mounting surface 210a and contacts the mounting surface 210a. Specifically, the mating surface 220a of each positioning block 220 used to contact the mounting surface 210a is provided with a first temporary positioning member 225, and the mounting surface 210a is provided with a plurality of second temporary positioning members that cooperate with the first temporary positioning member 225. Pieces 212. The implementation types of the first temporary positioning member 225 and the second temporary positioning member 212 can refer to the description of the first embodiment, and the details are not repeated here.

It should be noted that when each positioning block 220 is in contact with the mounting surface 210a, the side of each positioning block 220 facing the receiving groove 211 extends into the receiving groove 211 (or, each positioning block 220 faces the receiving groove 211). One side of the back cover 10 is placed on the moving path of the receiving groove 211), and each positioning piece 221 extends into the receiving groove 211 (or, each positioning piece 221 is located on the back cover 10 and placed in the receiving groove 211 Therefore, before placing the back cover 10 into the receiving groove 211, the positioning block 220 must be moved away from the mounting surface 210a, and the positioning block 220 must be temporarily fixed on the stopper 230. At this time, each positioning block 220 and each positioning piece 221 move away from the moving path of the back cover 10 into the receiving groove 211, and the production line personnel can smoothly place the back cover 10 into the receiving groove 221 without It will be hindered by the positioning block 220 and the positioning piece 221.

In addition, the positioning block 220 can be formed into an integral structure to improve the convenience of the production line personnel when controlling the movement of the positioning block 220.

Please refer to FIGS. 7 to 8B. The differences between the positioning fixture 300 of this embodiment and the positioning fixture 100 of the first embodiment are: the movement mode of the positioning block, the structure of the positioning portion, and the connection between the positioning block and the base. the way. In this embodiment, each positioning block 320 can move closer to or away from the receiving slot 311 along a direction parallel to the mounting surface 310a, and each positioning block 320 faces a partial area of the receiving slot 311 as the control back cover 10 and the display panel. 20 (see Fig. 4A) between the gap G (see Fig. 4B) of the positioning portion 321. On the other hand, each positioning block 320 is correspondingly provided with at least one or at least one set of bases 330 to limit the moving stroke of the positioning block 320 or temporarily fix the position of the positioning block 320 after the movement.

In detail, the positioning block 320 is closer to the receiving slot 311 than the base 330. Each positioning block 320 has a positioning surface 320 a and an inclined surface 320 b facing away from the base 330, and the positioning surface 320 a and the inclined surface 320 b face the receiving slot 311. On the other hand, the extension direction of the positioning surface 320a of each positioning block 320 is perpendicular to the bottom surface 311a of the receiving groove 311, and the inclined surface 320b is connected to the corresponding positioning surface 320a obliquely. In this embodiment, the positioning portion 321 of each positioning block 320 is defined by the area where the positioning surface 320a and the inclined surface 320b are adjacent to the positioning surface 320a, and the orthographic projection of the positioning portion 321 on the bearing seat 310 falls on the bottom surface 311a of the receiving groove 311 . In other words, in a state where the positioning portion 321 of each positioning block 320 extends into the receiving groove 311, the positioning portion 321 and the receiving groove 311 overlap in a direction perpendicular to the bottom surface 311 a of the receiving groove 311.

Furthermore, each base 330 includes a buckle mechanism 333, and each positioning block 320 is provided with a buckle 350 on the side facing the corresponding base 330. Each buckle 350 is disposed between the positioning block 320 and the base 330, and each buckle 350 is aligned with the corresponding buckle mechanism 333 and extends from the corresponding positioning block 320 toward the corresponding base 330. In the state shown in FIG. 7, the positioning portion 321 of each positioning block 320 is located outside the receiving slot 311, and each buckle 350 is buckled into the corresponding buckle mechanism 333, so that each positioning block 320 is on the mounting surface 310a. The location of the above is temporarily fixed.

In this embodiment, the buckle mechanism 333 can adopt a push-push mechanism, and the production line personnel can make each positioning block 320 and the buckle member 350 on it move further toward the corresponding base 330 to release each position. The buckling relationship between a buckle member 350 and the corresponding buckle mechanism 333. After the buckling relationship between each buckle member 350 and the corresponding buckle mechanism 333 is released, each positioning block 320 can move toward the receiving slot 311 under force. On the other hand, the positioning jig 300 further includes a plurality of elastic members 360, which may be compression springs or torsion springs. At least one elastic member 360 is arranged between each positioning block 320 and the corresponding base 330, and is arranged in parallel with the corresponding buckle member 350. When the buckle member 350 on the positioning block 320 is buckled with the buckle mechanism 333, the elastic member 360 is forced to produce elastic deformation. After the buckling relationship between the buckle member 350 and the buckle mechanism 333 is released, the elastic restoring force of the elastic member 360 can drive the positioning block 320 to move toward the receiving slot 311 and ensure that the positioning portion 321 of the positioning block 320 extends into the receiving slot 311 .

As shown in FIG. 8B, in a state where the positioning portion 321 extends into the receiving groove 311, the positioning portion 321 overlaps the side wall 10 a of the back cover 10 in a direction perpendicular to the bottom surface 311 a of the receiving groove 311. In the direction parallel to the bottom surface 311a of the receiving groove 311, the positioning surface 320a of each positioning portion 321 is offset from the side wall 10a of the back cover 10, and the positioning surface 320a of each positioning portion 321 falls on the recess of the back cover 10. 11 above. Thereby, when the display panel 20 (see FIG. 4A or FIG. 4B) is mounted to the back cover 10, the positioning surface 320a of each positioning portion 321 can be used to control the side wall 10a of the back cover 10 and the display panel 20 (see FIG. 4A or Figure 4B) the gap between.

In particular, the positioning fixture of the above-mentioned embodiment is not limited to assist in assembling a flat display device. Furthermore, by adjusting the geometric profile of the bearing seat, for example, making the bearing seat have a curvature, and correspondingly adjust other structural types or installation methods. The positioning fixture of the above embodiment can also be applied to assist in assembling a curved display.

In summary, the positioning jig of the present invention can be used to assist in assembling the display device to save labor costs. On the other hand, in the process of assembling the display device, the positioning jig can accurately control the gap between the display panel and the back cover through the positioning part of the positioning block, and the gap between the control display panel and the back cover meets the assembly specifications After that, the display panel is glued and fixed to the back cover, so that not only can the yield and reliability of the assembled display device be greatly improved, but also the assembly efficiency can be improved. On the other hand, because the positioning block of the positioning jig does not need to be repeatedly disassembled or replaced frequently, and is movably arranged on the bearing seat, it is not only quite convenient for production line personnel to operate, but also helps to reduce assembly costs.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be determined by the scope of the attached patent application.

10: back cover 10a: side wall 11: sunken 20: display panel 30: display device 100, 200, 300: positioning fixture 110, 210, 310: bearing seat 110a, 210a, 310a: mounting surface 111, 211, 311: containment slot 111a, 311a: bottom surface 111b: inner wall surface 112, 212: second temporary positioning piece 113: Slotting 114: piercing 120, 220, 320: positioning block 120a, 220a: butt surface 120b, 320b: inclined plane 121, 221: positioning piece 121a: first end 121b: second end 121c, 123a: perforation 122: Groove 123: Gasket 124: lock firmware 124a: head 125, 225: The first temporary positioning piece 130, 330: base 131, 331: lock slot 132, 332: lock accessories 140: pivot mechanism 220b: Stop surface 226: First Temporary Limiter 230: stop 233: Second Temporary Limiter 250: guide 260: Handle 320a: positioning surface 321: Positioning Department 333: buckle mechanism 350: Clip 360: Elastic A1: area G: gap N: Normal direction PD: direction A-A’, B-B’, C-C’, D-D’: Section line

FIG. 1A is a schematic diagram of the positioning jig according to the first embodiment of the present invention. Fig. 1B is a schematic partial cross-sectional view of Fig. 1A along the section line A-A'. 2A, 3A, and 4A illustrate the process of using the positioning jig of FIG. 1A to assemble a display device. FIG. 2B is a partial enlarged schematic diagram of the area A1 of FIG. 2A, and depicts a disassembled state of one of the positioning pieces. Fig. 3B is a schematic partial perspective cross-sectional view of Fig. 3A along the section line B-B'. Fig. 4B is a schematic partial perspective cross-sectional view of Fig. 4A along the section line C-C'. Figure 5 is a schematic diagram of a positioning jig according to a second embodiment of the present invention. FIG. 6 is a schematic diagram of the positioning block of FIG. 5 being moved away from the bearing seat and the back cover is placed in the receiving slot. Fig. 7 is a schematic diagram of a positioning jig according to a third embodiment of the present invention, in which the positioning block is located outside the receiving groove. FIG. 8A is a schematic diagram of placing the back cover into the receiving groove of the positioning jig of FIG. 7 and moving the positioning block into the receiving groove. Fig. 8B is a schematic partial perspective cross-sectional view of Fig. 8A along the section line D-D'.

100: positioning fixture

110: bearing seat

110a: mounting surface

111: Containment Slot

111a: bottom surface

113: Slotting

114: piercing

120: positioning block

120b: inclined plane

121: positioning film

130: Pedestal

131: lock slot

140: pivot mechanism

A-A’: Section line

Claims (17)

A positioning fixture includes: a bearing seat with a receiving groove, the receiving groove having a bottom surface and an inner wall surface connected to the bottom surface; and a plurality of positioning blocks, which are movably arranged on the bearing seat and surrounding the receiving groove, each A positioning block includes positioning portions, wherein each positioning portion extends toward the receiving slot. According to the positioning jig described in item 1 of the scope of patent application, in a direction perpendicular to the normal direction of the bottom surface, the orthographic projection of each positioning portion on the bearing seat falls on the inner wall surface of the receiving groove. For the positioning jig described in item 1 of the scope of patent application, the bearing seat has a mounting surface surrounding the receiving groove, so that each positioning block can be movably set on the mounting surface with a butting surface, and each of the The first end of the positioning portion is fixed to the abutting surface of the corresponding positioning block, and the second end of each positioning portion extends into the receiving groove. The positioning jig according to item 1 of the scope of patent application, wherein the bearing seat further has a mounting surface surrounding the receiving groove, and the positioning jig further includes: a plurality of bases mounted on the mounting surface, wherein the The positioning blocks are pivotally connected to the bases, and the positioning blocks are used for contacting the mounting surface or rotating relative to the bases in a direction away from the receiving groove to move away from the mounting surface. For the positioning jig as described in item 4 of the scope of patent application, each positioning block has a butting surface for contacting the mounting surface, and each positioning block further includes: a first temporary positioning member disposed on the butting surface The surface is used to fix the positioning block on the bearing seat. For the positioning jig described in item 5 of the scope of patent application, wherein the mounting surface is provided with a plurality of second temporary positioning elements for contacting the first positioning blocks when the abutting surfaces of the positioning blocks contact the mounting surface. Temporary positioning pieces are matched. According to the positioning jig described in item 5 of the scope of patent application, the first temporary positioning member is a magnet. For the positioning jig described in item 1 of the scope of patent application, wherein the bearing seat further has a mounting surface surrounding the receiving groove, and the positioning blocks are movably arranged on the mounting surface, the positioning jig further includes: A plurality of guides are arranged on the mounting surface, wherein the positioning blocks are slidably disposed on the guides, and the positioning blocks are used to contact the mounting surface or move under the guidance of the guides Away from the mounting surface; and a plurality of stoppers are supported by the guides and are installed above the mounting surface, and the positioning blocks are used to slide between the mounting surface and the stoppers. For the positioning jig described in item 8 of the scope of patent application, each of the positioning blocks has a butting surface for contacting the mounting surface, and each positioning block further includes: a first temporary positioning member disposed on the butting surface The surface is used to fix the positioning block on the bearing seat. For the positioning jig as described in item 9 of the scope of patent application, wherein the mounting surface is provided with a plurality of second temporary positioning elements for contacting the first positioning blocks when the abutting surfaces of the positioning blocks contact the mounting surface. Temporary positioning pieces are matched. According to the positioning jig described in item 9 of the scope of patent application, the first temporary positioning member is a magnet. For the positioning jig described in item 8 of the scope of patent application, each positioning block has a stop surface facing the corresponding stopper, and each positioning block further includes: a first temporary stopper, provided On the stopping surface, and used for fixing the positioning block to the stopping piece after the positioning block moves toward the stopping piece. For the positioning jig described in item 12 of the scope of the patent application, each of the stoppers is provided with a second temporary stopper facing the corresponding positioning block, and the second temporary stoppers are used in the The positioning blocks are matched with the first temporary limiting members after moving toward the stopping members. For the positioning jig described in item 12 of the scope of patent application, the first temporary limiting member is a magnet. For the positioning jig described in item 1 of the scope of patent application, the bearing seat further has a mounting surface surrounding the receiving groove, and the positioning blocks are slidably disposed on the mounting surface, the positioning jig further includes: A plurality of bases are installed on the mounting surface, and each of the bases includes a buckle mechanism; a plurality of buckles are connected to the positioning blocks and are located between the positioning blocks and the bases, each A buckle is aligned with the corresponding buckle mechanism and extends toward the corresponding base. After the positioning blocks slide toward the bases to move the positioning portions out of the receiving grooves, the buckles are buckled Enter these buckle mechanisms. For the positioning jig described in item 15 of the scope of patent application, wherein each positioning block has a positioning surface and an inclined surface facing away from the base, each positioning surface is perpendicular to the bottom surface of the receiving groove, and each inclined surface Obliquely connect the corresponding positioning surface, and the positioning portion of each positioning block is defined by the positioning surface and the area of the inclined surface adjacent to the positioning surface. Is defined, and the orthographic projection of each positioning portion on the bearing seat falls on the bottom surface of the receiving slot. For example, the positioning jig described in item 15 of the scope of the patent application further includes: a plurality of elastic members arranged between the bases and the positioning blocks, and each of the elastic members is parallel to the corresponding buckle member Set up.

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