CN213859024U

CN213859024U - Assembly structure

Info

Publication number: CN213859024U
Application number: CN202022483597.3U
Authority: CN
Inventors: 张文达; 侯兵; 谢少辉; 彭宇锋; 段文军
Original assignee: TCL King Electrical Appliances Huizhou Co Ltd
Current assignee: TCL King Electrical Appliances Huizhou Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-03
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses an assembly structure, which is used for assembling a backlight module, the backlight module comprises a middle frame and a back plate, the assembly structure comprises a bearing platform and a positioning component, the bearing platform is provided with a bearing surface and a limit groove arranged around the bearing surface, the bearing surface is used for bearing the back plate, and the limit groove is used for accommodating the middle frame; the positioning assembly comprises a plurality of positioning mechanisms, the positioning mechanisms are arranged around the limiting groove, and the positioning mechanisms are used for pushing the middle frame to abut against the side wall of the limiting groove so as to position the middle frame in the limiting groove. The utility model provides an assembly structure can promote assembly precision and the efficiency of center and backplate.

Description

Assembly structure

Technical Field

The utility model relates to a mechanical assembly technical field, in particular to assembly structure.

Background

When the backlight module is assembled, the back plate in the backlight module needs to be embedded into the middle frame and locked with the middle frame through screws and the like.

In the related art, part of the middle frame and the back frame are assembled through manual operation, and in the assembling process, an operator needs to adjust the relative positions of the middle frame and the back plate for many times, so that the assembling precision is poor, and the assembling efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an assembly structure aims at promoting the assembly precision and the efficiency of center and backplate.

In order to achieve the above object, the utility model provides an assembly structure for assembly backlight unit, backlight unit includes center and backplate, its characterized in that, assembly structure includes:

the bearing platform is provided with a bearing surface and a limiting groove arranged around the bearing surface, the bearing surface is used for bearing the back plate, and the limiting groove is used for accommodating the middle frame; and

the positioning assembly comprises a plurality of positioning mechanisms, the positioning mechanisms surround the limiting groove, and the positioning mechanisms are used for pushing the middle frame to abut against the side wall of the limiting groove, so that the middle frame is positioned in the limiting groove.

In an embodiment of the present invention, the plummer is provided with a boss and a surrounding block, the surrounding block is disposed around the boss, and the limiting groove is formed between the boss and the surrounding block;

the bearing surface is arranged on the boss, and the positioning mechanisms are arranged on the surrounding block at intervals.

In an embodiment of the present invention, the surrounding block is provided with a plurality of mounting grooves arranged at intervals, and each mounting groove is communicated with the limiting groove;

each positioning mechanism is arranged in one mounting groove.

In an embodiment of the present invention, the boss includes a spacing table and a spacing block arranged at an interval, and the surrounding block is provided with an opening communicated with the spacing groove;

the limiting block is arranged adjacent to the opening, and the limiting table is positioned on one side of the limiting block, which is back to the opening;

the center has relative first end and the second end that sets up, the center in when limiting groove location, first end with the second end respectively with the relative both ends butt of stopper.

In an embodiment of the present invention, the opposite ends of the limiting block are provided with elastic portions.

In an embodiment of the present invention, the assembly structure further includes a lifting assembly, and the carrying surface is provided with a through hole;

the lifting assembly is partially arranged in the through hole in a penetrating mode and used for lifting the back plate.

In an embodiment of the present invention, the lifting assembly includes a first mounting plate, a first driving member, and a first push block;

the first mounting plate is arranged on one side, back to the back plate, of the bearing table and is adjacent to the through hole; the first driving piece is arranged on the mounting plate, and the first push block is arranged at the output end of the first driving piece;

the first driving piece drives the first pushing block to penetrate through the through hole and pushes the back plate to be separated from the bearing surface.

In an embodiment of the present invention, the lifting assembly further includes a second mounting plate and a guide post;

the second mounting plate is arranged on one side, back to the back plate, of the bearing table and is adjacent to the through hole;

one end of the guide post penetrates through the second mounting plate, and the other end of the guide post is connected with the first push block.

In an embodiment of the present invention, the carrying surface has a spacing hole, and the spacing hole is used for spacing the protruding structure on the back plate.

In an embodiment of the present invention, the positioning mechanism includes a second driving member and a second pushing block;

the second driving piece is arranged on the bearing table, and the limiting groove is positioned between the second driving piece and the bearing surface;

the second push block is connected with the output end of the second driving piece, and the second driving piece drives the second push block to move close to or far away from the middle frame in the limiting groove.

The assembly structure in the technical scheme of the utility model comprises a bearing platform and a positioning component, wherein the bearing platform is provided with a bearing surface and a limiting groove arranged around the bearing surface, the bearing surface is used for bearing a back plate, and the limiting groove is used for accommodating a middle frame; the positioning assembly comprises a plurality of positioning mechanisms, the positioning mechanisms are arranged around the limiting groove, and the positioning mechanisms are used for pushing the middle frame to abut against the side wall of the limiting groove so as to position the middle frame in the limiting groove. Therefore, after the middle frame is arranged in the limiting groove, the middle frame is pushed towards the side wall in the limiting groove through the plurality of positioning mechanisms, the positioning mechanisms and the side wall in the limiting groove are matched to clamp and position the middle frame, the middle frame is reliably positioned in the limiting groove, the back plate can be positioned and assembled on the middle frame more accurately, and the assembling precision and efficiency of the back plate and the middle frame are improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of the assembly structure of the present invention;

FIG. 2 is an enlarged structural view of portion A of FIG. 1;

FIG. 3 is a schematic view of a portion of the carrier stage shown in FIG. 1;

fig. 4 is a schematic view of the assembly structure of fig. 1 from another perspective.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. Throughout this document, "and/or" is meant to include three juxtaposed aspects, exemplified by "A and/or B," including either the A aspect, or the B aspect, or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an assembly structure for assembly backlight unit, this backlight unit include center and backplate.

In the embodiment of the present invention, as shown in fig. 1 and fig. 2, the assembly structure includes a bearing platform 1 and a positioning assembly 2, the bearing platform 1 is provided with a bearing surface (not shown) and a limiting groove 11 disposed around the bearing surface, the bearing surface is used for bearing a back plate (not shown), and the limiting groove 11 is used for accommodating a middle frame (not shown); the positioning assembly 2 comprises a plurality of positioning mechanisms 21, the plurality of positioning mechanisms 21 are arranged around the limiting groove 11, and the positioning mechanisms 21 are used for pushing the middle frame to abut against the side wall of the limiting groove 11, so that the middle frame is positioned in the limiting groove 11.

In this embodiment, the carrier 1 is used for carrying a back plate and a middle frame, and the carrying surface may be a part of the upper surface of the carrier 1. The center is the annular setting, and the center can be non-closed annular, and the center can be equipped with the locating pin, and the backplate can be equipped with the locating hole that corresponds with the locating pin. When the assembly structure is used, the middle frame is arranged in the limiting groove 11, the back plate is arranged on the bearing surface, the middle frame is connected with the back plate through the insertion fit of the positioning pins and the positioning holes, after the middle frame and the back plate are positioned, the screw holes in the middle frame are aligned with the screw holes in the back plate one by one, the middle frame and the back plate can be locked and attached through the cooperation of screws, the screw holes in the middle frame and the screw holes in the back plate, and the assembly of the middle frame and the back plate is realized.

The limiting groove 11 is difficult to be completely matched with the middle frame due to the influence of machining tolerance, the middle frame is not easy to be accurately positioned in the limiting groove 11, and the middle frame is of a frame structure, so that the middle frame is allowed to deform a small amount under the action of external force to adjust the relative position of the middle frame and the back plate. Therefore, the plurality of positioning mechanisms 21 are annularly arranged on the periphery of the limiting groove 11, after the middle frame is arranged in the limiting groove 11, the middle frame is pushed towards the bearing surface through the positioning mechanisms 21, so that the positioning mechanisms 21 and the side wall of the limiting groove 11 are matched, clamped and positioned, the middle frame can be reliably positioned in the limiting groove 11, and the back plate and the middle frame can be conveniently locked and assembled.

Optionally, the positioning mechanism 21 includes a single stepping motor and a top block connected to an output end of the stepping motor, the stepping motor is disposed on the bearing platform 1 and located outside the limiting groove 11, the top block is disposed on one side of the stepping motor facing the bearing surface, and the stepping motor drives the top block to move close to or away from the middle frame in the limiting groove 11 so as to push the middle frame to move by abutting against the top block and to cooperate with a side wall of the limiting groove 11 to clamp and position the middle frame. The stepping motor drives the ejector block to carry out progressive fine adjustment on the position of the middle frame, so that the middle frame can be prevented from being extruded and deformed when being suddenly subjected to large pressure of the ejector block.

The assembly structure in the technical scheme of the utility model comprises a bearing platform 1 and a positioning component 2, wherein the bearing platform 1 is provided with a bearing surface and a limiting groove 11 arranged around the bearing surface, the bearing surface is used for bearing a back plate, and the limiting groove 11 is used for accommodating a middle frame; the positioning assembly 2 comprises a plurality of positioning mechanisms 21, the plurality of positioning mechanisms 21 are arranged around the limiting groove 11, and the positioning mechanisms 21 are used for pushing the middle frame to abut against the side wall of the limiting groove 11, so that the middle frame is positioned in the limiting groove 11. Therefore, after the middle frame is arranged in the limiting groove 11, the middle frame is pushed towards the inner side wall of the limiting groove 11 through the plurality of positioning mechanisms 21, so that the positioning mechanisms 21 and the inner side wall of the limiting groove 11 are matched, clamped and positioned, the middle frame is reliably positioned in the limiting groove 11, the back plate is favorably and accurately positioned and assembled on the middle frame, and the assembling precision and efficiency of the back plate and the middle frame are improved.

In an embodiment of the present invention, as shown in fig. 1 to 3, the plummer 1 is provided with a boss 12 and a surrounding block 13, the surrounding block 13 is disposed around the boss 12, and a limiting groove 11 is formed between the boss 12 and the surrounding block 13; the bearing surface is arranged on the boss 12, and the positioning mechanisms 21 are arranged on the surrounding block 13 at intervals.

In this embodiment, the boss 12 is used for enclosing with the surrounding block 13 to form the limiting groove 11, the bearing surface is disposed on one side of the boss 12 facing away from the bearing platform 1, and the boss 12 and the surrounding block 13 can be integrally formed with the bearing platform 1. The surrounding block 13 can be a closed ring structure or a non-closed ring structure, and the surrounding block 13 is arranged around the outer periphery of the boss 12. When the middle frame limit is located limiting groove 11, the middle frame is located in limiting groove 11 through positioning mechanism 21, the inner peripheral wall of the middle frame is in low butt joint with the outer peripheral wall of boss 12 at the moment, and the outer wall of the middle frame can be in butt joint with the inner peripheral wall of surrounding block 13 or not.

In an embodiment of the present invention, as shown in fig. 1 and 3, the surrounding block 13 is provided with a plurality of mounting grooves 131 arranged at intervals, and each mounting groove 131 is communicated with the limiting groove 11; each positioning mechanism 21 is disposed in a mounting groove 131.

In the embodiment, the mounting groove 131 is used for accommodating and mounting the positioning mechanism 21, and the positioning mechanism 21 can be fixed to the bottom wall of the mounting groove 131 by screwing or the like, so that the positioning mechanism 21 does not protrude from the upper surface of the surrounding block 13 and occupies more external space. Set up positioning mechanism 21 in mounting groove 131, can effectively avoid positioning mechanism 21 to cause the interference to the operation of plummer 1 outside spare part, still avoid positioning mechanism 21 to cause the injury to operating personnel simultaneously, the security when promoting this assembly structure to use.

In an embodiment of the present invention, as shown in fig. 1 and fig. 3, the boss 12 includes a spacing table 121 and a spacing block 122 arranged at an interval, and the surrounding block 13 is provided with an opening 132 communicated with the spacing groove 11; the limiting block 122 is arranged adjacent to the opening 132, and the limiting table 121 is positioned on one side of the limiting block 122, which faces away from the opening 132; the center has relative first end and the second end that sets up, and when the center was located in spacing groove 11, first end and second end respectively with the relative both ends butt of stopper 122.

In this embodiment, the position-limiting table 121 is used for limiting the position of the main body part of the middle frame, and the position-limiting block 122 is used for limiting the position of the end part of the middle frame. The whole "Jiong" font that is of center in this implementation, the center has two tip of first end and second end and the main part except these two tip promptly, cooperation through spacing platform 121 and stopper 122 and a plurality of positioning mechanism 21, can not only reliably fix a position the main part of center, can also reliably fix a position the first end and the second end of center, so, when the center is fixed a position in spacing groove 11, relative displacement can not appear in the first end and the second end of center, be favorable to promoting backplate and center lock and attach the accuracy of assembly.

In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the two opposite ends of the limiting block 122 are provided with elastic portions 1221.

In this embodiment, the elastic portion 1221 is used to elastically buffer the pressure on the middle frame, so as to prevent the middle frame from being extruded and deformed or worn by the limiting block 122 when the positioning mechanism 21 pushes the middle frame in the limiting groove 11 toward the limiting block 122. The elastic portion 1221 may be an elastic protrusion disposed at an end of the limiting block 122, and the material of the elastic portion may be silica gel, rubber, plastic, etc., which is not limited herein.

In an embodiment of the present invention, as shown in fig. 1 and 3, the assembly structure further includes a lifting assembly 3, and the carrying surface is provided with a through hole 14; the lifting component 3 is partially arranged in the through hole 14 in a penetrating way, and the lifting component 3 is used for lifting the back plate.

In this embodiment, the lifting assembly 3 is used for lifting the back plate, at least a portion of the lifting assembly 3 can pass through the through hole 14 to abut against and push the back plate on the bearing surface, and drive the middle frame assembled with the back plate to rise, so that the back plate is separated from the bearing surface, and the middle frame is separated from the limiting groove 11, thereby facilitating the outward transfer of the assembled back plate and the middle frame from the bearing table 1. The lifting assembly 3 may be a lifting cylinder, and an output end of the lifting cylinder penetrates through the through hole 14 and can move upward along the through hole 14 to push the back plate to be separated from the bearing surface.

In an embodiment of the present invention, as shown in fig. 1, 3 and 4, the lifting assembly 3 includes a first mounting plate 31, a first driving member 32 and a first pushing block 33; the first mounting plate 31 is arranged on one side of the bearing table 1, which is back to the back plate, and is adjacent to the through hole 14; the first driving piece 32 is arranged on the mounting plate, and the first pushing block 33 is arranged at the output end of the first driving piece 32; the first driving member 32 drives the first pushing block 33 to pass through the through hole 14, and pushes the back plate to separate from the bearing surface.

In the present embodiment, the first mounting plate 31 is used for mounting and fixing the first driving member 32, and the first mounting plate 31 may be a beam structure crossing the through hole 14, in which case two ends of the first mounting plate 31 are respectively located at two opposite sides of the through hole 14 and are disposed adjacent to the through hole 14. The material of the first mounting plate 31 may be a metal material, and is not limited herein.

The first driving member 32 is used for driving the first pushing block 33 to move close to or far away from the back plate along the hole wall of the through hole 14, the first driving member 32 can be installed and fixed on the first installation plate 31 in a screwing mode and the like, the output end of the first driving member 32 is connected with the first pushing block 33, and the first driving member 32 can be an air cylinder, a motor and the like, which is not limited herein.

The first pushing block 33 is used for pushing the back plate on the bearing surface to lift, and the first pushing block 33 can be accommodated in the through hole 14, so that the hole wall of the through hole 14 can move, limit and guide the first pushing block 33, the pushing block can move in the vertical direction, and the back plate is lifted or lowered. The material of the first pushing block 33 may be plastic, and is not limited herein.

In an embodiment of the present invention, as shown in fig. 1 and 4, the lifting assembly 3 further includes a second mounting plate 34 and a guide post 35; the second mounting plate 34 is arranged on one side of the bearing table 1, which faces away from the back plate, and is adjacent to the through hole 14; one end of the guide post 35 penetrates through the second mounting plate 34, and the other end of the guide post 35 is connected with the first push block 33.

In the present embodiment, the second mounting plate 34 is used for mounting the guiding column 35, and the second mounting plate 34 may be a beam structure crossing the through hole 14, in which case two ends of the second mounting plate 34 are respectively located at two opposite sides of the through hole 14 and are disposed adjacent to the through hole 14. Second mounting panel 34 can be opened and be equipped with the trompil that supplies guide post 35 to pass, and this trompil is just to setting up with through-hole 14, and the guide post 35 is kept away from the one end of first ejector pad 33 and is worn to locate in this trompil to through the cooperation of guide post 35 and trompil, lead the removal of first ejector pad 33, make first ejector pad 33 get in order to remove in vertical direction, carry out reliable and stable lift to the backplate. The second mounting plate 34 and the guide post 35 may be made of metal, and the material is not limited herein.

In an embodiment of the present invention, as shown in fig. 1, fig. 3 and fig. 4, the carrying surface is provided with a position-avoiding hole 15, and the position-avoiding hole 15 is used for avoiding a protruding structure on the back plate.

In this embodiment, the protruding structure is disposed on one side of the back plate facing the bearing surface, and the arrangement of the avoiding hole 15 enables the protruding structure of the back plate to be limited in the avoiding hole 15, and the avoiding hole 15 is used for avoiding the protruding structure, so that the back plate can be more stably and reliably positioned on the bearing surface.

In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the positioning mechanism 21 includes a second driving member 211 and a second pushing block 212; the second driving piece 211 is arranged on the bearing table 1, and the limiting groove 11 is positioned between the second driving piece 211 and the bearing surface; the second pushing block 212 is connected with an output end of the second driving member 211, and the second driving member 211 drives the second pushing block 212 to move close to or far away from the middle frame in the limiting groove 11.

In this embodiment, the second driving member 211 is used for driving the second pushing block 212 to move close to or away from the middle frame in the position-limiting groove 11, and the second pushing block 212 is used for pushing the middle frame so as to cooperate with the side wall of the position-limiting groove 11 to clamp and position the middle frame. The second driving member 211 may be an air cylinder, so that the second driving member 211 can drive the second pushing block 212 to push the middle frame to a position abutting against the side wall of the limiting groove 11 at one time, so that the middle frame can be rapidly positioned in the limiting groove 11. The second pushing block 212 may be made of elastic material such as rubber, silica gel, etc. to prevent the middle frame from being scratched by the second pushing block 212.

In an embodiment of the present invention, as shown in fig. 1, fig. 2 and fig. 4, the assembly structure further includes a switch 4 set and an electric cabinet 5, the switch 4 set includes a plurality of switches 4, the plurality of switches 4 are disposed at the edge of the platform 1 at intervals, and the electric cabinet 5 is disposed on the platform 1 and electrically connected to the first driving member 32 and the plurality of switches 4.

In this embodiment, the carrier 1 is provided with two lifting assemblies 3 which are spaced and arranged oppositely, when the assembly structure is used, an operator presses all the switches 4 simultaneously, at this time, the electric cabinet 5 controls the first driving piece 32 in the two lifting assemblies 3 to drive the first pushing block 33 to ascend, the back plate is arranged on the two first pushing blocks 33 which are lifted, the middle frame is arranged on the back plate, and the positioning pin on the back plate penetrates through the positioning hole on the middle frame, so that the back plate and the middle frame are aligned. The operator presses all the switches 4 simultaneously again, at this moment, the electric cabinet 5 controls the first driving piece 32 in the two lifting assemblies 3 to drive the first pushing block 33 to descend, so that the protruding structure of the back plate penetrates through the avoiding hole 15, the middle frame enters the limiting groove 11, the positioning mechanism 21 is linked therewith and pushes the middle frame, and the positioning mechanism 21 and the side wall of the limiting groove 11 are matched to clamp and position the middle frame. The design that the electric cabinet 5 is triggered to act when the switches 4 are pressed simultaneously avoids misoperation of the electric cabinet 5 when an operator presses the switches 4 by mistake, avoids clamping injuries of the back plate, the middle frame and the bearing platform 1 to the operator, and ensures personal safety of the operator. Through the setting of electric cabinet 5, make the location of center and backplate on plummer 1 accomplish with the efficient automatically, be favorable to promoting the assembly precision and the efficiency of center and backplate.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An assembly structure for assembling a backlight module, the backlight module comprising a middle frame and a back plate, the assembly structure comprising:

2. The assembly structure of claim 1, wherein the bearing table is provided with a boss and a surrounding block, the surrounding block is arranged around the boss, and the limiting groove is formed between the boss and the surrounding block;

3. The assembly structure of claim 2, wherein the enclosure block is provided with a plurality of mounting slots arranged at intervals, and each mounting slot is communicated with the limiting slot;

each positioning mechanism is arranged in one mounting groove.

4. The assembly structure of claim 2, wherein the boss comprises a limiting table and a limiting block which are arranged at intervals, and the surrounding block is provided with an opening communicated with the limiting groove;

5. The fitting structure according to claim 4, wherein the stopper is provided at opposite ends thereof with elastic portions.

6. The assembly structure of any one of claims 1 to 5, further comprising a lifting assembly, wherein the bearing surface is provided with a through hole;

7. The mounting structure of claim 6 wherein said lift assembly comprises a first mounting plate, a first drive member, and a first push block;

8. The mounting structure of claim 7 wherein the lift assembly further comprises a second mounting plate and a guide post;

9. The assembly structure as claimed in any one of claims 1 to 5, wherein the carrying surface is provided with a position-avoiding hole, and the position-avoiding hole is used for avoiding a protruding structure on the back plate.

10. The fitting structure according to any one of claims 1 to 5, wherein the positioning mechanism includes a second driving member and a second pushing block;