CN212484795U

CN212484795U - Display device

Info

Publication number: CN212484795U
Application number: CN202020947184.3U
Authority: CN
Inventors: 贾旺; 别怀森
Original assignee: Hisense Visual Technology Co Ltd
Current assignee: Hisense Visual Technology Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-05
Anticipated expiration: 2030-05-28

Abstract

The utility model relates to a display device. The display equipment comprises a display module, a lower front shell and a stop block; the display module is provided with a frame structure; the baffle block is arranged at the end part of the lower front shell; the stop block comprises a connecting part and an outer plate part; the connecting part is used for connecting the frame structure and the lower front shell; the connecting part is provided with a first positioning hole, and the lower front shell is provided with a first positioning column; the outer plate part is positioned outside the end part of the lower front shell, and one side of the outer plate part is provided with a first matching surface; the connecting part is sleeved on the first positioning column through the first positioning hole, and the first matching surface is attached to the outer end face of the lower front shell. The utility model discloses in, utilize the outer terminal surface cooperation of first fitting surface and lower front shell, utilize first locating hole and first reference column to fix a position simultaneously to make the dog assemble the tip of shell under in front accurately, improve its assembly precision. Utilize the first fitting surface of outer plate portion and the outer terminal surface of preceding shell closely to cooperate down simultaneously, avoid the appearance of flash joint between dog and the preceding shell down, improve the aesthetic property of its outward appearance.

Description

Display device

Technical Field

The utility model relates to a display device technical field, in particular to display device.

Background

The display device is applied to the life of a user and can display different interfaces for the user to watch, wherein the display device mainly comprises a television, a display and the like.

At present, more and more display device begins to adopt down preceding shell and display module group complex scheme, can reduce assemble time and expense, promotes the figurative ornamental of outward appearance simultaneously.

In the related art, a structure such as a stop block is usually adopted between a lower front shell of a display device and a display module as a transition piece, and the lower front shell and the display module are connected and matched together; but because the assembly precision of dog is not high, the cooperation is bad, reasons such as assembly speed is slow can influence the cooperation precision between lower front shell and the display module assembly on the contrary, leads to display device's outward appearance flash crack great, influences the outward appearance aesthetic property, also influences the equipment time of complete machine simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display device to shell and display module assembly outward appearance flashing joint when the assembly before lower in the reduction display device.

In order to solve the technical problem, the utility model adopts the following technical scheme:

according to one aspect of the present invention, the present invention provides a display device, comprising a display module, a lower front case and a plurality of stoppers; frame structures are arranged on the left side wall surface, the top side wall surface and the right side wall surface of the display module; the lower front shell is arranged below the display module; the at least two stop blocks are respectively arranged at the left end and the right end of the lower front shell and used for connecting the lower front shell with the frame structure; the baffle block comprises a connecting part and an outer plate part which are integrally formed and connected; the connecting part is used for connecting the frame structure and the lower front shell, and the connecting part is positioned on the back side of the end part of the lower front shell; the connecting part is provided with a first positioning hole, and the back surface of the lower front shell is provided with a first positioning column which is in alignment fit with the first positioning hole; the outer plate part is positioned on the outer side of the end part of the lower front shell, and a first matching surface is arranged on one side, facing the lower front shell, of the outer plate part; the connecting part is sleeved on the first positioning column through the first positioning hole, and the first matching surface is attached to the outer end surface of the lower front shell.

In some embodiments of the present application, at least two first positioning pillars are provided, and at least two first positioning pillars are distributed at intervals; the first positioning holes on the connecting part are two and are respectively matched with the first positioning columns in an alignment mode.

In some embodiments of the present application, a fixing column is disposed at a position of the lower front shell, which is spaced from the two first positioning columns, and a first threaded hole is formed in the fixing column; the connecting portion is abutted against the fixing column, and a first screw hole which is matched with the first threaded hole in an alignment mode is arranged on the connecting portion.

In some embodiments of the present application, a spacing groove is formed in one side of the connecting portion, which is close to the fixing column, and the first positioning column and the fixing column are equally distributed in the spacing groove; when the connecting part is sleeved on the first positioning column through the first positioning hole, the inner wall of the avoiding groove is abutted against the end face of the fixing column.

In some embodiments of the present application, the first positioning column is in a cylindrical structure of a conical circular truncated cone, and a column diameter of the first positioning column gradually decreases from the bottom to the top thereof; the hole shape of the first positioning hole is matched with that of the first positioning column.

In some embodiments of the present application, the front side of the connecting portion has a second mating surface vertically adjacent to the first mating surface, and the second mating surface abuts against a back surface adjacent to the outer end surface of the lower front shell.

In some embodiments of the present application, the frame structure includes a top frame and two side frames, the top frame is disposed on a top side wall surface of the display module, and the two side frames are respectively disposed on a left side wall surface and a right side wall surface of the display module; the side frame comprises an outer wall plate and a connecting strip positioned on the inner side of the outer wall plate; the outer wall plate and the connecting strip are of an integrated connecting structure; the lower end of the connecting strip is provided with a connecting part which protrudes out of the lower end surface of the outer wall plate and extends downwards; the engagement portion extends into the back side of the lower front case and is fixed to the connection portion.

In some embodiments of the present application, a first assembly groove for the connection portion to extend into is formed at the upper end of the connection portion, a second positioning column is convexly arranged on a groove wall of the first assembly groove, and a second screw hole is further formed on a groove wall of the first assembly groove; and the joint part is provided with a second positioning hole in alignment fit with the second positioning column and a third screw hole in alignment fit with the second screw hole.

In some embodiments of the present application, the upper end of the inner wall of the outer panel portion is provided with a second assembling groove for the lower end of the outer panel to extend into; and the groove wall of the second assembling groove is attached to the outer side wall surface of the outer wall plate.

In some embodiments of the present application, the display device further includes a rear case, and the display module and the lower front case are respectively fixed to a front side of the rear case; the back of display module assembly is equipped with a plurality of hanging supports, the hanging support with the backshell supports mutually, and with the backshell laminating is fixed.

According to the above technical scheme, the embodiment of the utility model provides an at least have following advantage and positive effect:

in the display device provided by the embodiment of the utility model, the connection between the lower front shell and the upper display module is realized by using the stop blocks at the two sides of the lower front shell; the baffle block comprises an outer plate part and a connecting part; the first matching surface on the inner wall of the outer plate portion is matched with the outer end face of the lower front shell, and meanwhile the first positioning hole in the connecting portion is used for positioning the first positioning column on the back face of the lower front shell, so that the stop block is accurately assembled at the end portion of the lower front shell, and the assembling precision of the stop block is improved. Utilize the first fitting surface of outer plate portion and the outer terminal surface of preceding shell closely to cooperate down simultaneously, avoid the appearance of flash joint between dog and the preceding shell down, improve the aesthetic property of its outward appearance. In addition, still can be convenient for assemble the dog in advance on the preceding shell down, the frame structure of deuterogamying display module assembly is fixed with the connecting portion of dog, accomplishes the rapid Assembly between display module assembly and the preceding shell down for the assembly speed of complete machine.

Drawings

Fig. 1 is a perspective view of the display device of the present invention.

Fig. 2 is an exploded view of the display device of the present invention.

Fig. 3 is a schematic structural diagram of a stopper in the display device of the present invention.

Fig. 4 is a schematic structural view of an end portion of a lower front case in the display device of the present invention.

Fig. 5 is an exploded schematic view of the lower front shell, the stopper and the frame structure of the display device of the present invention.

Fig. 6 is another exploded schematic view of the lower front shell, the stopper and the frame structure of the display device of the present invention.

Fig. 7 is a cross-sectional view of the display device of the present invention after the lower front shell, the stopper and the frame structure are connected.

Fig. 8 is a schematic structural diagram of the display device of the present invention in which the stopper is assembled on the lower front case.

Fig. 9 is a schematic diagram of the display device of the present invention, wherein the stopper and the lower front shell are assembled with the display module.

Fig. 10 is a schematic structural view of the display device of the present invention in which the stopper and the lower front case are assembled on the display module.

The reference numerals are explained below:

1. a display module; 11. a wall-mounted support; 12. a display screen; 13. a main board; 14. a power panel; 15. a sound assembly;

2. a lower front shell; 21. a first positioning post; 22. fixing a column; 221. a first threaded hole;

3. a stopper; 31. an outer plate portion; 32. a connecting portion; 311. a first mating surface; 321. a first positioning hole; 322. a second mating surface; 323. a first screw hole; 324. a position avoiding groove; 325. a first fitting groove; 326. a second assembly groove; 3251. a second positioning column; 3252. a second screw hole;

4. a rear housing;

5. a base;

6. a frame structure; 61. a top frame; 62. a side frame; 621. an outer wall panel; 622. a connecting strip; 623. a joining section; 6231. a second positioning hole; 6232. and a third screw hole.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the related art, a structure such as a stop block is usually adopted between a lower front shell of a display device and a display module as a transition piece, and the lower front shell and the display module are connected and matched together; but because the assembly precision of dog is not high, the cooperation is bad, and assembly speed is slow etc. reason can influence the cooperation precision between lower front shell and the display module assembly on the contrary, influences the outward appearance aesthetic property, also influences the equipment time of complete machine simultaneously.

Fig. 1 is a perspective view of the display device of the present invention. Fig. 2 is an exploded view of the display device of the present invention.

Referring to fig. 1 and 2, a display device provided by an embodiment of the present invention mainly includes a display module 1, a lower front case 2, a stopper 3, a rear case 4, and a base 5.

Wherein, the left side, the top side and the right side of the display module 1 are provided with a frame structure 6 for protection and fixation. The lower front shell 2 is spliced below the display module 1 and combined with the frame structure 6 to form a front shell of the display device.

The stopper 3 is provided at the end of the lower front case 2 and serves as a transition piece connected to the lower end of the side portion of the frame structure 6.

The rear shell 4 is arranged at the rear side of the display module 1 in a covering mode and serves as a back appearance surface of the display device; the display module 1 and the lower front case 2 are fixed to the front side of the rear case 4, respectively.

In some embodiments, the back surface of the display module 1 is provided with a plurality of wall hanging brackets 11, the wall hanging brackets 11 abut against the rear shell 4, the wall hanging brackets 11 and the rear shell 4 can be fixedly attached together through screws, the rear shell 4 is supported through the wall hanging brackets 11, the rear shell 4 is prevented from being recessed, and a wall hanging function of the whole display module can be realized through the wall hanging brackets 11 and the rear shell 4.

The base 5 is disposed at the bottom of the display module 1 and the rear case 4, and serves as a supporting member of the entire display apparatus.

Referring to fig. 2, the display module 1 mainly includes a display 12, a main board 13, a power board 14, a sound module 15, and an electronic component (not shown).

The display screen 12 is located at the front side of the display module 1 and serves as a display surface of the display device.

The main board 13 is disposed on the back side of the display screen 12, and is mainly used for operating a control system of the display device and correspondingly outputting a related operation instruction.

The power board 14 is integrated on the main board 13, and is mainly used for providing a driving voltage or a stable operating voltage to the main board 13 and keeping an output current of the circuit on the main board 13 stable during operation.

The sound component 15 is arranged on the back side of the main board 13 and is mainly used for being matched with an interface displayed by the display screen 12 to emit corresponding sound; in some embodiments, the acoustic assembly 15 is located on the underside of the main board 13 to facilitate sound emission and generate less heat.

The electronic components are connected to the back side of the main board 13, and the main board 13 has a large number of electronic components, and operation commands mainly output to the main board 13 are transmitted to corresponding operation terminals.

Still referring to fig. 2, the frame structure 6 includes a top frame 61 and two side frames 62.

Wherein, the top frame 61 is fixedly arranged on the top side wall surface of the display screen 12, and the two side frames 62 are respectively arranged on the left side wall surface and the right side wall surface of the display screen 12; to respectively package and protect the top and two sides of the display 12.

The lower front shell 2 is arranged below the display screen 12, and two ends of the lower front shell 2 are accurately assembled at the lower end part of the side frame 62 through a stop block 3 respectively, so that the lower front shell 2, the stop block 3, the side frame 62 and the top frame 61 are assembled into a whole to be used as a front shell of the display device; while the lower front case 2 is closely spliced to the lower end of the display screen 12.

Fig. 3 is a schematic structural diagram of the stopper 3 in the display device of the present invention. Fig. 4 is a schematic structural view of an end portion of the lower front case 2 in the display device of the present invention.

Referring to fig. 3 and 4, the stopper 3 includes an outer plate portion 31 and a connecting portion 32 integrally connected.

The connecting portion 32 extends outward from one side wall surface of the outer plate portion 31, and the connecting portion 32 is located on the back side of the end portion of the lower front case 2 and connects the lower end of the side frame 62 and the lower front case 2, respectively.

First locating hole 321 has been seted up to the lower part of connecting portion 32, is equipped with the first locating post 21 with first locating hole 321 counterpoint complex in the back of shell 2 before down, and connecting portion 32 is located on first locating post 21 through first locating hole 321 cover to shell 2 carries out accurate location before making connecting portion 32 and lower.

In some embodiments, there are two first positioning pillars 21, and the two first positioning pillars 21 are spaced apart from each other, and the direction and height of the pattern drawing may be the same; the number of the first positioning holes 321 on the connecting portion 32 is two, and the two first positioning holes are respectively aligned and matched with a first positioning column 21. When dog 3 and lower front shell 2 were assembled, two first locating holes 321 and two first locating posts 21 at first contacted, because two first locating posts 21 parallel arrangement, so dog 3 can be established smoothly downwards along with connecting portion 32 on two first locating posts 21, accomplished accurate location. It should be noted that the number of the first positioning posts 21 and the first positioning holes 321 can be increased accordingly, and is not limited herein.

In some embodiments, the first positioning column 21 is a cylindrical structure of a conical frustum, and the column diameter of the first positioning column 21 gradually decreases from the bottom to the top thereof; accordingly, the hole shape of the first positioning hole 321 is adapted to the first positioning column 21, so as to further improve the assembling accuracy between the first positioning hole 321 and the first positioning column 21.

Still referring to fig. 3 and 4, the outer plate portion 31 is located outside the end portion of the lower front case 2, and a first mating face 311 is provided on a side of the outer plate portion 31 facing the lower front case 2; the first mating surface 311 and the connecting portion 32 are both located on the same side of the outer plate portion 31.

When the connecting portion 32 is sleeved on the first positioning post 21 through the first positioning hole 321 to complete the precise positioning, the first mating surface 311 is just closely attached to the outer end surface of the lower front shell 2; therefore, the end part of the lower front shell 2 is sealed by the stop block 3 through the first matching surface 311, the connection tightness between the lower front shell and the stop block is improved, the flash seam is avoided, and the appearance attractiveness is improved.

In some embodiments, the connecting portion 32 has a second mating surface 322 vertically adjacent to the first mating surface 311 on the front side close to the lower front shell 2, and when the connecting portion 32 is sleeved on the first positioning post 21 through the first positioning hole 321, and the precise positioning is completed, the second mating surface 322 is just abutted against the back surface adjacent to the outer end surface of the lower front shell 2, so that the first mating surface 311 is precisely attached to the outer end surface of the lower front shell 2.

Still referring to fig. 3 and 4, on the lower front shell 2, a fixing column 22 is disposed at the interval between the two first positioning columns 21, and a first threaded hole 221 is formed on the fixing column 22; the connecting portion 32 is provided with a first screw hole 323 which is aligned with the first screw hole 221, and the connecting portion 32 abuts against the fixing column 22, so that the connecting portion 32 is fixed on the back side of the lower front case 2 by screws penetrating through the first screw hole 323 and the first screw hole 221, and the outer plate portion 31 can be fixed on the end portion of the lower front case 2.

In some embodiments, a spacing groove 324 is formed on one side of the connecting portion 32 close to the fixing column 22, for the first positioning column 21 and the fixing column 22 to be uniformly distributed in the spacing groove 324, so as to reduce the thickness of the connecting portion 32 and reduce the distance between the connecting portion 32 and the lower front shell 2; when the connecting portion 32 is sleeved on the first positioning post 21 through the first positioning hole 321, the inner wall of the avoiding groove 324 abuts against the end surface of the fixing post 22, so as to improve the stability of the connection between the stopper 3 and the lower front shell 2.

Fig. 5 is an exploded schematic view of the lower front case 2, the stopper 3 and the frame structure 6 of the display device of the present invention. Fig. 6 is another exploded schematic view of the lower front case 2, the stopper 3 and the frame structure 6 of the display device of the present invention. Fig. 7 is a cross-sectional view of the display device of the present invention after the lower front case 2, the stopper 3 and the frame structure 6 are connected.

Referring to fig. 5 to 7, the side frame 62 includes an outer wall panel 621 and a connecting bar 622 located inside the outer wall panel 621; the outer wall panel 621 and the connecting strip 622 are an integral connecting structure.

The lower end of the connecting bar 622 has a connecting portion 623 protruding from the lower end surface of the outer wall plate 621 and extending downward; the engagement portion 623 extends into the back side of the lower front case 2 and is fixed to the connection portion 32.

The upper end of the connecting part 32 is provided with a first assembling groove 325 for the connecting part 623 to extend into and distribute, and the first assembling groove 325 is vertically arranged; a second positioning column 3251 is convexly arranged on the vertical groove wall of the first assembling groove 325, and a second screw hole 3252 is further formed on the groove wall of the first assembling groove 325. In some preferred embodiments, the second positioning posts 3251 and the second screw holes 3252 are both disposed on a groove wall near the back surface of the lower front case 2; second positioning posts 3251 and second screw holes 3252 are vertically spaced, and second positioning posts 3251 may be located above second screw holes 3252 or below second screw holes 3252.

The engagement portion 623 is provided with a second positioning hole 6231 aligned with the second positioning post 3251 and a third screw hole 6232 aligned with the second screw hole 3252.

When the connection portion 623 extends into the first assembly groove 325 and is sleeved on the second positioning post 3251 through the second positioning hole 6231, the third screw hole 6232 of the connection portion 623 is aligned with the second screw hole 3252 of the groove wall of the first assembly groove 325, so that the connection portion 623 can be fixed on the first assembly groove 325 through screws and accurately connected with the connection portion 32, and the assembly accuracy between the stopper 3 and the side frame 62 and the display module 1 is further improved.

Still referring to fig. 5 to 7, the upper end of the inner wall of the outer panel portion 31 is provided with a second assembling groove 326 for the lower end of the outer panel 621 to extend into and distribute, the second assembling groove 326 is vertically disposed, and the second assembling groove 326 is located above the first assembling groove 325.

When the engaging portion 623 extends into the first assembling groove 325 and is positioned by the second positioning hole 6231 and the second positioning post 3251, the lower end of the outer wall plate 621 can extend into the second assembling groove 326, and the outer side wall surface of the outer wall plate 621 is attached to the lateral groove wall of the second assembling groove 326, so that the side frame 62 and the stopper 3 are assembled together more precisely.

Fig. 8 is a schematic structural diagram of the display device of the present invention in which the stopper 3 is assembled on the lower front case 2. Fig. 9 is a schematic diagram of the display device of the present invention, in which the stopper 3 and the lower front case 2 are assembled with the display screen 12. Fig. 10 is a schematic structural diagram of the display device of the present invention in which the stopper 3 and the lower front case 2 are assembled on the display screen 12.

Referring to fig. 8 to 10, the display device according to the embodiment of the present invention may adopt the following assembling methods:

referring to fig. 8, the stopper 3 is first preassembled on the lower front case 2 and locked by a screw to form an assembly of the lower front case 2. The frame structure 6 is mounted on the display screen 12. Referring to fig. 9 and 10, the lower front case 2 assembly is assembled on the display screen 12, and the frame structure 6 and the lower front case 2 assembly are locked by screws. Then, the main board 13, the power supply board 14, the acoustic assembly 15, the electronic parts, etc. are assembled, and finally, the rear case 4 and the chassis 5 are assembled.

Through

foretell dog

3 and 2 pre-installation modes of preceding shell down, cooperation dog 3's structure can be under the prerequisite of guaranteeing the assembly precision for the equipment speed of complete machine, improves the quality and the efficiency of product.

According to the above technical scheme, the embodiment of the utility model provides an have following advantage and positive effect:

in the display device of the embodiment of the utility model, the connection between the lower front shell 2 and the upper display module 1 is realized by the stop blocks 3 at the two sides of the lower front shell 2; wherein, the stopper 3 comprises an outer plate part 31 and a connecting part 32; the first matching surface 311 on the inner wall of the outer plate part 31 is matched with the outer end surface of the lower front shell 2, and the first positioning hole 321 on the connecting part 32 is positioned with the first positioning column 21 on the back surface of the lower front shell 2, so that the stop block 3 is accurately assembled at the end part of the lower front shell 2, and the assembling precision is improved. And the first matching surface 311 of the outer plate part 31 is tightly matched with the outer end surface of the lower front shell 2, so that the appearance of a flash seam between the stop block 3 and the lower front shell 2 is avoided, and the appearance attractiveness is improved. In addition, still can be convenient for assemble dog 3 in advance on lower front shell 2, the frame structure 6 of deuterogamying display module assembly 1 is fixed with connecting portion 32 of dog 3, accomplishes the rapid Assembly between display module assembly 1 and lower front shell 2 for the assembly speed of complete machine.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A display device is characterized by comprising a display module, a lower front shell and a plurality of stop blocks;

frame structures are arranged on the left side wall surface, the top side wall surface and the right side wall surface of the display module;

the lower front shell is arranged below the display module;

the at least two stop blocks are respectively arranged at the left end and the right end of the lower front shell and used for connecting the lower front shell with the frame structure;

the baffle block comprises a connecting part and an outer plate part which are integrally formed and connected;

the connecting part is used for connecting the frame structure and the lower front shell, and the connecting part is positioned on the back side of the end part of the lower front shell; the connecting part is provided with a first positioning hole, and the back surface of the lower front shell is provided with a first positioning column which is in alignment fit with the first positioning hole;

the outer plate part is positioned on the outer side of the end part of the lower front shell, and a first matching surface is arranged on one side, facing the lower front shell, of the outer plate part;

the connecting part is sleeved on the first positioning column through the first positioning hole, and the first matching surface is attached to the outer end surface of the lower front shell.

2. The display device as claimed in claim 1, wherein there are at least two first positioning posts, at least two of the first positioning posts being spaced apart;

the first positioning holes on the connecting part are two and are respectively matched with the first positioning columns in an alignment mode.

3. The display device according to claim 2, wherein the lower front shell is provided with a fixing column at a position spaced between the two first positioning columns, and the fixing column is provided with a first threaded hole;

the connecting portion is abutted against the fixing column, and a first screw hole which is matched with the first threaded hole in an alignment mode is arranged on the connecting portion.

4. The display device according to claim 3, wherein a clearance groove is formed in a side of the connecting portion, which is close to the fixing post, and the first positioning post and the fixing post are distributed in the clearance groove;

when the connecting part is sleeved on the first positioning column through the first positioning hole, the inner wall of the avoiding groove is abutted against the end face of the fixing column.

5. The display device according to claim 1, wherein the first positioning column has a columnar structure of a conical frustum, and a column diameter of the first positioning column becomes gradually smaller from a bottom to a top thereof; the hole shape of the first positioning hole is matched with that of the first positioning column.

6. The display device of claim 1, wherein the front side of the connecting portion has a second mating surface vertically adjacent to the first mating surface, the second mating surface abutting a back surface adjacent to the outer end surface of the lower front housing.

7. The display device of claim 1, wherein the frame structure comprises a top frame and two side frames, the top frame is disposed on a top side wall surface of the display module, and the two side frames are disposed on a left side wall surface and a right side wall surface of the display module;

the side frame comprises an outer wall plate and a connecting strip positioned on the inner side of the outer wall plate;

the outer wall plate and the connecting strip are of an integrated connecting structure;

the lower end of the connecting strip is provided with a connecting part which protrudes out of the lower end surface of the outer wall plate and extends downwards; the engagement portion extends into the back side of the lower front case and is fixed to the connection portion.

8. The display device according to claim 7, wherein the upper end of the connecting portion is provided with a first assembling groove for the connecting portion to extend into, the groove wall of the first assembling groove is provided with a second positioning column in a protruding manner, and the groove wall of the first assembling groove is further provided with a second screw hole;

and the joint part is provided with a second positioning hole in alignment fit with the second positioning column and a third screw hole in alignment fit with the second screw hole.

9. The display device according to claim 8, wherein the upper end of the inner wall of the outer panel portion is formed with a second fitting groove into which the lower end of the outer panel extends; and the groove wall of the second assembling groove is attached to the outer side wall surface of the outer wall plate.

10. The display device of claim 1, wherein the display device further comprises a rear housing, the display module and the lower front housing being respectively fixed to a front side of the rear housing;

the back of display module assembly is equipped with a plurality of hanging supports, the hanging support with the backshell supports mutually, and with the backshell laminating is fixed.