CN214336190U - Display screen assembly - Google Patents

Abstract

The utility model provides a display screen assembly, include: the box body is provided with an avoidance port in a through manner; the lamp panel module is arranged on the front side of the box body, and an unlocking channel is arranged on the lamp panel module; the lamp panel module is detachably connected with the box body through the dismounting structure, the lock seat structure is arranged on the lamp panel module, the lock pin structure is arranged on the box body and comprises a seat body arranged on the lamp panel module and a locking piece movably penetrating through the seat body, the lock pin structure comprises a lock pin seat arranged on the box body and a lock pin arranged in the lock pin seat, and the locking piece is provided with a locking position in locking fit with the lock pin and an unlocking position separated from the lock pin; the locking piece is provided with a front operation part and a rear operation part, the front operation part is arranged corresponding to the unlocking channel, and the rear operation part is positioned in the avoiding opening. The technical scheme of this application has solved effectively that lamp plate module among the correlation technique only can follow its front side or its rear side and carry out the dismouting maintenance, leads to the problem of the numerous operation.

Description

Display screen assembly

Technical Field

The utility model relates to a LED shows technical field, particularly, relates to a display screen subassembly.

Background

With the continuous development of science and technology, the LED display screen has generally entered into the sight of people, and the display screen has the advantages of high definition and energy conservation, so the LED display screen is popular among people.

The current LED display screen comprises a box type LED display screen and an indoor LED display screen. The display screen body is the problem that a plurality of lamp panel modules adopt magnet to adsorb on the bracket, and the magnetism drops easily when bad weather or external factors are like vibrations. In addition, the LED display screen at present generally only passes through strong magnet absorption on the bracket from the front side of lamp plate module, perhaps only maintains partial part through dismantling the screw mode from the rear side of lamp plate module, and the operation is numerous and diverse, at the bottom of the efficiency, operates very inconveniently.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a display screen assembly to solve lamp panel module among the correlation technique and only can follow its front side or its rear side and carry out the dismouting maintenance, lead to the problem of numerous lock of operation.

In order to achieve the above object, the utility model provides a display screen assembly, include: the box body is provided with an avoidance port in a through manner; the lamp panel module is arranged on the front side of the box body, and an unlocking channel is arranged on the lamp panel module; the lamp panel module is detachably connected with the box body through the dismounting structure, the dismounting structure comprises a lock base structure and a lock pin structure matched with the lock base structure, the lock base structure is arranged on the lamp panel module, the lock pin structure is arranged on the box body, the lock base structure comprises a base body arranged on the lamp panel module and a locking piece movably arranged on the base body in a penetrating mode, the lock pin structure comprises a lock pin base arranged on the box body and a lock pin arranged in the lock pin base, and the locking piece is provided with a locking position matched with the lock pin in a locking mode and an unlocking position separated from the lock pin; the locking piece is provided with a front operation part and a rear operation part, the front operation part is arranged corresponding to the unlocking channel, and the rear operation part is positioned in the avoiding opening.

Further, be provided with the locking hole on the locking piece, be provided with on the pedestal and correspond the first hole of dodging that sets up with the locking hole, be provided with the locking groove on the lockpin, when the locking piece is located latched position, the lockpin can pass first hole and the locking hole of dodging, and the partial pore wall in locking hole is located locking inslot.

Furthermore, the front operation part comprises a driving part movably arranged in the seat body and an inclined surface structure arranged between the driving part and the locking part, the driving part drives the locking part to move through the inclined surface structure, and the driving part is arranged corresponding to the unlocking channel.

Further, the driving piece comprises a driving body and a first wedge-shaped portion arranged on the driving body, the driving body corresponds to the unlocking channel, the locking piece comprises a stop plate and a second wedge-shaped portion arranged on the stop plate, and the first wedge-shaped portion and the second wedge-shaped portion are matched to form an inclined surface structure.

Further, the lock seat structure still includes first elastic component, the pedestal includes first lock seat portion, second lock seat portion and position sleeve, first lock seat portion and the superpose setting of second lock seat portion, the position sleeve sets up on first lock seat portion and is located between first lock seat portion and the second lock seat portion, the lock is movably worn to establish between first lock seat portion and the second lock seat portion, the position sleeve is movably worn to locate by the driving piece, the first wedge portion of driving piece along the axis direction protrusion in the position sleeve of perpendicular to position sleeve, first elastic component is located between driving piece and the second lock seat portion, be provided with on the first lock seat portion and dodge the hole with the second of the hole intercommunication of position sleeve, the hole is dodged to the second and unblock passageway intercommunication.

Further, the locking piece still includes the direction section and the operation section of being connected with the direction section, and the pedestal is worn out to the direction section, and the operation section is located outside the pedestal, and the operation section forms back operation portion, is provided with the guide block on the first locking seat portion, be provided with on the direction section with guide block complex guiding hole, the first end and the driving piece butt cooperation of first elastic component, the inner wall butt cooperation of guiding hole and second locking seat portion is worn out to the second end of first elastic component.

Furthermore, the lock seat structure further comprises a second elastic piece, the second elastic piece is located between the locking piece and the inner wall of the seat body, and the compression or stretching direction of the second elastic piece is perpendicular to the moving direction of the driving piece.

Further, the lock pin structure further comprises a lock pin cover and a third elastic piece, the lock pin cover is movably arranged in the lock pin seat, the third elastic piece is located between the lock pin seat and the lock pin cover, a third avoiding hole for avoiding the lock pin is formed in the lock pin cover, and when the lock piece is located at the locking position, the lock pin cover is abutted to the seat body.

Furthermore, the first end of the third elastic part is connected with the lock pin base through the first connecting rib, and the second end of the third elastic part is connected with the lock pin cover through the second connecting rib.

Further, the box includes the frame and connects the connecting plate in the frame, forms between frame and the connecting plate and dodges the mouth, and the dismouting structure includes a plurality ofly, and partly dismouting structural connection is between frame and lamp plate module, and another part dismouting structural connection is between connecting plate and lamp plate module.

Use the technical scheme of the utility model, the display screen subassembly includes: box, lamp plate module and dismouting structure. The box body is provided with an avoiding opening in a through way. The lamp plate module sets up in the front side of box, is provided with the unblock passageway on the lamp plate module. The box and the lamp panel module are detachably connected through a dismounting structure. The disassembly and assembly structure comprises a lock seat structure and a lock pin structure matched with the lock seat structure, the lock seat structure is arranged on the lamp panel module, and the lock pin structure is arranged on the box body. The lock structure includes that the pedestal that sets up on the lamp plate module wears to establish the locking piece on the pedestal with movably, and the lockpin structure is including setting up the lockpin seat on the box and setting up the lockpin in the lockpin seat, and the locking piece has with lockpin locking complex latched position and with the unblock position of lockpin separation. In this application, the locking piece has preceding operating portion and back operating portion, and preceding operating portion corresponds the setting with the unblock passageway, and back operating portion is located dodges intraorally. At the in-process of lamp plate module installation to the box, the lockpin cooperation on the lock piece on the lamp plate module and the box for lock piece and lockpin are located locking complex latched position, and like this, the lamp plate module is installed to the box on. In the process of detaching the lamp panel module from the box body, on one hand, a steel needle can be used to penetrate through the unlocking channel on the front side of the lamp panel module to drive the front operation part of the locking piece on the lamp panel module to move so as to enable the locking piece to be switched from the locking position to the unlocking position, and at the moment, the locking piece avoids the lock pin on the box body, so that the lock pin is separated from the locking piece; on the other hand is at the rear side of lamp plate module, through dodging the mouth, the back operation portion of the lock piece on the direct drive lamp plate module removes to make the lock piece switch to the unblock position by latched position, at this moment, the lockpin on the box is dodged to the lock piece, makes lockpin and lock piece separation. Like this from the front side of lamp plate module or rear side homoenergetic enough realize dismantling lamp plate module from the box. The operation is simple, the maintenance is convenient, and the disassembly efficiency is improved. Therefore, the technical scheme of this application has solved effectively that lamp plate module among the correlation technique can only follow its front side or its rear side and carry out dismouting maintenance, leads to the problem of operation numerous and diverse.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a display screen assembly according to the present invention;

FIG. 2 shows a schematic front view of the case of FIG. 1;

FIG. 3 shows a rear view schematic diagram of the light panel module of FIG. 1;

FIG. 4 shows an enlarged schematic view at A of FIG. 3;

FIG. 5 illustrates a rear view schematic of the display screen assembly of FIG. 1;

FIG. 6 shows a cross-sectional schematic view of the display screen assembly of FIG. 5;

FIG. 7 illustrates a partial schematic view of the display screen assembly of FIG. 6;

FIG. 8 shows an exploded view of the latch housing structure of FIG. 1;

FIG. 9 shows a perspective view of the detent structure of FIG. 1;

FIG. 10 shows a front schematic view of the detent structure of FIG. 9; and

FIG. 11 shows a schematic cross-sectional view of the detent structure of FIG. 10 taken along line B-B.

Wherein the figures include the following reference numerals:

1. a steel needle; 10. a box body; 11. avoiding the mouth; 12. a frame; 13. a connecting plate; 20. a lamp panel module; 21. an unlocking channel; 30. a lock seat structure; 31. a base body; 311. a first avoidance hole; 312. a first latch portion; 3121. a second avoidance hole; 313. a second latch seat portion; 314. a positioning sleeve; 315. a guide block; 32. a locking member; 321. a locking hole; 322. a stopper plate; 323. a second wedge portion; 324. a guide section; 3241. a guide hole; 325. an operation section; 33. a drive member; 331. a drive body; 332. a first wedge portion; 34. a first elastic member; 35. a second elastic member; 40. a locking pin structure; 41. a lock pin seat; 42. a lock pin; 421. a locking groove; 43. a latch cover; 431. a third avoidance hole; 44. a third elastic member; 45. a first connecting rib; 46. and a second connecting rib.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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 is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 7, the display screen assembly of the present embodiment includes: box 10, lamp plate module 20 and dismouting structure. An avoidance port 11 is penetratingly formed in the case 10. Lamp plate module 20 sets up in the front side of box 10, is provided with unblock passageway 21 on the lamp plate module 20. The box 10 and the lamp panel module 20 are detachably connected through a dismounting structure. The dismouting structure includes lock seat structure 30 and with lock seat structure 30 complex lockpin structure 40, lock seat structure 30 sets up on lamp plate module 20, lockpin structure 40 sets up on box 10. The lock base structure 30 includes a base 31 disposed on the lamp panel module 20 and a locking member 32 movably disposed through the base 31, the lock pin structure 40 includes a lock pin base 41 disposed on the box 10 and a lock pin 42 disposed in the lock pin base 41, and the locking member 32 has a locking position locked with the lock pin 42 and an unlocking position separated from the lock pin 42. In the present application, the lock 32 has a front operation portion provided corresponding to the unlock passage 21 and a rear operation portion located in the escape port 11.

With the solution of the present embodiment, the locking member 32 has a locking position in locking engagement with the lock pin 42 and an unlocking position separated from the lock pin 42. In the present embodiment, the lock member 32 has a front operation portion provided corresponding to the unlock passage 21 and a rear operation portion located in the escape port 11. At the in-process on lamp plate module 20 installs to box 10, the lockpin 42 cooperation on lock piece 32 on the lamp plate module 20 and the box 10 for lock piece 32 and lockpin 42 are located locking complex latched position, and like this, lamp plate module 20 installs to box 10 on. In the process of detaching the lamp panel module 20 from the box body 10, on one hand, the steel needle 1 can penetrate through the unlocking channel 21 on the front side of the lamp panel module 20 to drive the front operation part of the locking piece 32 on the lamp panel module 20 to move, so that the locking piece 32 is switched to the unlocking position from the locking position, and at the moment, the locking piece 32 avoids the lock pin 42 on the box body 10, so that the lock pin 42 is separated from the locking piece 32; on the other hand, at the rear side of lamp plate module 20, through dodging mouth 11, the back operating portion of the last locking piece 32 of direct drive lamp plate module 20 removes to make locking piece 32 switch to the unblock position by latched position, at this moment, locking piece 32 dodges lockpin 42 on the box 10, makes lockpin 42 and locking piece 32 separate. Like this from the front side of lamp plate module 20 or rear side homoenergetic enough realize dismantling lamp plate module 20 from box 10. The operation is simple, the maintenance is convenient, and the disassembly efficiency is improved. Therefore, the technical scheme of this embodiment has solved effectively that the lamp plate module among the relevant art can only carry out dismouting maintenance from its front side or rear side, leads to the problem of the complex operation.

As shown in fig. 7 and 8, the locking member 32 is provided with a locking hole 321, and the seat body 31 is provided with a first avoiding hole 311 corresponding to the locking hole 321. The first avoidance hole 311 is provided to enable the seat body 31 to avoid the lock pin 42. The lock pin 42 is provided with a locking groove 421, when the locking piece 32 is located at the locking position, the lock pin 42 can pass through the first avoiding hole 311 and the locking hole 321, and a part of hole wall of the locking hole 321 is located in the locking groove 421. Thus, the lock pin 42 is caught on the lock 32, preventing the lock pin 42 from being disengaged from the locking hole 321.

As shown in fig. 7 and 8, the front operation portion includes a driving member 33 movably disposed in the seat body 31 and a slope structure disposed between the driving member 33 and the locking member 32, the driving member 33 drives the locking member 32 to move through the slope structure, and the driving member 33 is disposed corresponding to the unlocking passage 21. The driving member 33 is arranged so that the steel needle 1 can easily push the locking member 32, and the slope structure can change the direction of the force so that the locking member 32 can easily move. Meanwhile, the inclined plane structure can occupy a small space of the display screen assembly, so that the display screen assembly is compact in structure. The inclined plane structure is inclined at 45 degrees relative to the horizontal plane.

As shown in fig. 7 and 8, the driver 33 includes a driving body 331 and a first wedge portion 332 provided on the driving body 331. The driving body 331 is disposed corresponding to the unlocking passage 21. The lock 32 includes a stopper plate 322 and a second wedge 323 provided on the stopper plate 322. The first wedge 332 cooperates with the second wedge 323 to form a ramp structure. At the front side of lamp plate module 20, can use the steel needle 1 to pass unblock passageway 21, steel needle 1 drive driving piece 33 removes, and first wedge portion 332 pushes up second wedge portion 323, and second wedge portion 323 moves to the direction that is perpendicular to steel needle 1 and removes, and then locking piece 32 separates with lockpin 42 easily.

As shown in fig. 7 and 8, the lock housing structure 30 further includes a first elastic member 34. The housing 31 includes a first locking portion 312, a second locking portion 313 and a positioning sleeve 314. The first and second locking portions 312 and 313 are stacked, and the positioning sleeve 314 is disposed on the first locking portion 312 and between the first and second locking portions 312 and 313. The lock member 32 is movably inserted between the first and second lock seat portions 312 and 313. Thus, the first and second latch portions 312, 313 can stop the latch member 32 to prevent the latch member 32 from deflecting, while the opposing surfaces of the first and second latch portions 312, 313 can guide the latch member 32. The driving member 33 is movably disposed through the positioning sleeve 314, and the first wedge portion 332 of the driving member 33 protrudes out of the positioning sleeve 314 along a direction perpendicular to the axis of the positioning sleeve 314. The driving member 33 is movably arranged through the positioning sleeve 314, the driving member 33 can move along the axis of the positioning sleeve 314, and the positioning sleeve 314 can play a guiding role. The first elastic member 34 is located between the driving member 33 and the second latching portion 313. When the steel needle 1 is removed from the driving member 33, the driving member 33 can be reset under the action of the first elastic member 34, and at the moment, the locking member 32 is located at the locking position in locking fit with the locking pin 42. The first lock seat portion 312 is provided with a second avoiding hole 3121 communicated with the inner hole of the positioning sleeve 314, and the second avoiding hole 3121 is communicated with the unlocking passage 21. Like this, the setting of the hole, the second of position sleeve 314 dodge hole 3121 and unblock passageway 21 is convenient for steel needle 1 to pass lamp plate module 20, and drive driving piece 33 removes.

As shown in fig. 7 and 8, the locking member 32 further includes a guide section 324 and an operating section 325 connected to the guide section 324. The guiding section 324 penetrates through the seat body 31, the operating section 325 is positioned outside the seat body 31, and the operating section 325 forms a rear operating part. At the rear side of lamp plate module 20, can directly drive latch 32 through operation section 325, the operation of being convenient for like this. The first locking portion 312 is provided with a guide block 315, and the guide section 324 is provided with a guide hole 3241 engaged with the guide block 315. The guide block 315 is engaged with the guide hole 3241 so that the locking member 32 can be smoothly moved to prevent the locking member 32 from being horizontally deviated. The first end of the first elastic member 34 is abutted with the driving member 33, and the second end of the first elastic member 34 passes through the guide hole 3241 and is abutted with the inner wall of the second locking seat portion 313. The guide hole 3241 is also provided to allow the lock member 32 to escape from the first elastic member 34, so as to prevent the first elastic member 34 from interfering with the lock member 32.

As shown in fig. 7 and 8, the lock housing structure 30 further includes a second elastic member 35. The second elastic element 35 is located between the locking element 32 and the inner wall of the seat 31, and the compression direction of the second elastic element 35 is perpendicular to the moving direction of the driving element 33. When the lock member 32 is driven to the unlock position and neither the front operation portion nor the rear operation portion applies a force to the lock member 32, the lock member 32 can be automatically switched from the unlock position to the lock position by the second elastic member 35. In the present embodiment, the first elastic member 34 and the second elastic member 35 are each preferably a compression spring. In the present embodiment, the number of the second elastic members 35 is two. Of course, the number of the second elastic members may be one, three or more.

Of course, in other embodiments not shown in the figures, the stretching direction of the second elastic member is perpendicular to the moving direction of the driving member. At this time, the second elastic member is a tension spring.

As shown in fig. 7, 9 to 11, the locking pin structure 40 further includes a locking pin cover 43 and a third elastic member 44. The latch cover 43 is movably disposed in the latch seat 41, the third elastic member 44 is disposed between the latch seat 41 and the latch cover 43, the latch cover 43 is provided with a third avoiding hole 431 for avoiding the latch 42, and when the locking member 32 is located at the locking position, the latch cover 43 abuts against the seat body 31. Like this, when locking piece 32 switched to the unblock position by latched position, third elastic component 44 set up and can make lockpin lid 43 push away pedestal 31, and then lockpin lid 43 can release lamp plate module 20 from box 10 in, and then makes the labour saving and time saving more of dismantling lamp plate module 20.

As shown in fig. 11, a first end of the third elastic member 44 is connected to the latch holder 41 via a first connecting rib 45, and a second end of the third elastic member 44 is connected to the latch cover 43 via a second connecting rib 46. The first connecting rib 45 is provided to facilitate the attachment of the third elastic member 44 to the latch holder 41, and the second connecting rib 46 is provided to facilitate the attachment of the latch cover 43 to the latch holder 41. And the side wall of the latch cover 43 is matched with the inner wall of the latch seat 41 to play a guiding role.

In the present embodiment, the number of the third elastic members 44 is two. Of course, the number of the third elastic members may be one, three or more.

As shown in fig. 2 to 5, the case 10 includes a frame 12 and a connection plate 13 connected within the frame 12. An escape opening 11 is formed between the frame 12 and the connecting plate 13. The frame 12 and the connection plate 13 make the structure of the cabinet 10 more firm. The dismouting structure includes a plurality ofly, and partly dismouting structural connection is between frame 12 and lamp plate module 20, and another part dismouting structural connection is between connecting plate 13 and lamp plate module 20. The lamp panel module 20 is more reliably mounted on the front side of the box body 10 by the aid of the plurality of dismounting structures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A display screen assembly, comprising:

the box body (10), an avoidance port (11) is arranged on the box body (10) in a penetrating way;

the lamp panel module (20) is arranged on the front side of the box body (10), and an unlocking channel (21) is arranged on the lamp panel module (20);

the lamp panel module is characterized in that the disassembly and assembly structure is used for detachably connecting the box body (10) and the lamp panel module (20), the disassembly and assembly structure comprises a lock base structure (30) and a lock pin structure (40) matched with the lock base structure (30), the lock base structure (30) is arranged on the lamp panel module (20), the lock pin structure (40) is arranged on the box body (10),

the lock seat structure (30) comprises a seat body (31) arranged on the lamp panel module (20) and a locking piece (32) movably arranged on the seat body (31) in a penetrating mode, the lock pin structure (40) comprises a lock pin seat (41) arranged on the box body (10) and a lock pin (42) arranged in the lock pin seat (41), and the locking piece (32) is provided with a locking position in locking fit with the lock pin (42) and an unlocking position separated from the lock pin (42);

the locking piece (32) is provided with a front operation part and a rear operation part, the front operation part is arranged corresponding to the unlocking channel (21), and the rear operation part is positioned in the avoiding port (11).

2. The display screen assembly of claim 1, wherein a locking hole (321) is formed in the locking member (32), a first avoiding hole (311) corresponding to the locking hole (321) is formed in the seat body (31), a locking groove (421) is formed in the lock pin (42), when the locking member (32) is located at the locking position, the lock pin (42) can penetrate through the first avoiding hole (311) and the locking hole (321), and a part of a hole wall of the locking hole (321) is located in the locking groove (421).

3. The display screen assembly of claim 1, wherein the front operating portion comprises an actuating member (33) movably disposed in the housing (31) and a ramp structure disposed between the actuating member (33) and the locking member (32), the actuating member (33) drives the locking member (32) to move through the ramp structure, and the actuating member (33) is disposed corresponding to the unlocking passage (21).

4. The display screen assembly of claim 3, wherein the driving member (33) comprises a driving body (331) and a first wedge portion (332) disposed on the driving body (331), the driving body (331) is disposed corresponding to the unlocking channel (21), the locking member (32) comprises a stop plate (322) and a second wedge portion (323) disposed on the stop plate (322), and the first wedge portion (332) and the second wedge portion (323) cooperate to form the ramp structure.

5. The display screen assembly of claim 3,

the lock seat structure (30) further comprises a first elastic member (34), the seat body (31) comprises a first lock seat portion (312), a second lock seat portion (313) and a positioning sleeve (314), the first lock seat portion (312) and the second lock seat portion (313) are arranged in an overlapping manner, the positioning sleeve (314) is arranged on the first lock seat portion (312) and located between the first lock seat portion (312) and the second lock seat portion (313),

the movably dress of locking piece (32) first locking seat portion (312) with between second locking seat portion (313), movably the wearing to locate of driving piece (33) position sleeve (314), the perpendicular to is followed in first wedge portion (332) of driving piece (33) the axis direction protrusion of position sleeve (314) in position sleeve (314), first elastic component (34) are located driving piece (33) with between second locking seat portion (313), be provided with on first locking seat portion (312) with hole (3121) are dodged to the second of the hole intercommunication of position sleeve (314), hole (3121) are dodged to the second with unblock passageway (21) intercommunication.

6. The display screen assembly of claim 5, wherein the locking member (32) further comprises a guide section (324) and an operating section (325) connected to the guide section (324), the guide section (324) protrudes through the base (31), the operating section (325) is located outside the base (31), the operating section (325) forms the rear operating portion, the first locking portion (312) is provided with a guide block (315), the guide section (324) is provided with a guide hole (3241) engaged with the guide block (315), a first end of the first elastic member (34) is engaged with the driving member (33) in an abutting manner, and a second end of the first elastic member (34) protrudes through the guide hole (3241) to be engaged with an inner wall of the second locking portion (313) in an abutting manner.

7. A screen assembly according to claim 3, wherein the latch structure (30) further comprises a second resilient member (35), the second resilient member (35) being located between the locking member (32) and an inner wall of the housing (31), the second resilient member (35) having a compression or tension direction perpendicular to the direction of movement of the actuating member (33).

8. The display screen assembly of claim 1, wherein the latch structure (40) further comprises a latch cover (43) and a third elastic member (44), the latch cover (43) is movably disposed in the latch seat (41), the third elastic member (44) is disposed between the latch seat (41) and the latch cover (43), a third avoiding hole (431) for avoiding the latch (42) is disposed on the latch cover (43), and when the latch member (32) is located at the locking position, the latch cover (43) abuts against the seat body (31).

9. The screen assembly of claim 8, wherein a first end of the third resilient member (44) is connected to the latch boss (41) by a first connecting rib (45), and a second end of the third resilient member (44) is connected to the latch cover (43) by a second connecting rib (46).

10. The display screen assembly of claim 1, wherein the box (10) includes a frame (12) and a connecting plate (13) connected within the frame (12), the frame (12) and the connecting plate (13) form the dodge port (11), the dismounting structure includes a plurality of parts, the dismounting structure is connected between the frame (12) and the lamp panel module (20), and the dismounting structure is connected between the connecting plate (13) and the lamp panel module (20).

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