CN220205204U

CN220205204U - Back-buckling type pressing plate locking connection structure and display screen

Info

Publication number: CN220205204U
Application number: CN202321710795.6U
Authority: CN
Inventors: 李应启; 唐鹏涛; 李晟; 王永华; 周辉
Original assignee: Zhejiang Puzhao Photoelectric Technology Co ltd; Shanghai Sansi Technology Co Ltd; Shanghai Sansi Electronic Engineering Co Ltd; Jiashan Sansi Photoelectric Technology Co Ltd; Pujiang Sansi Optoelectronics Technology Co Ltd
Current assignee: Zhejiang Puzhao Photoelectric Technology Co ltd; Shanghai Sansi Technology Co Ltd; Shanghai Sansi Electronic Engineering Co Ltd; Jiashan Sansi Photoelectric Technology Co Ltd; Pujiang Sansi Optoelectronics Technology Co Ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-19
Anticipated expiration: 2033-06-30

Abstract

The utility model provides a back-buckling type pressing plate locking and connecting structure and a display screen, wherein the back-buckling type pressing plate locking and connecting structure is used for locking and connecting a fixed frame and comprises a mounting plate, and the mounting plate comprises a bottom plate and a vertical plate; a pressing plate; a first bolt and a first nut; one end of the first bolt penetrates through the other end of the vertical plate and the other end of the pressing plate and is connected with the first nut, and the first nut is locked to clamp the fixed frame by the pressing plate and the mounting plate; wherein the display screen comprises a fixed frame; a display screen bracket; a fixed support; the back-buckling type pressing plate locking and connecting structure is used for connecting the fixed frame with the display screen bracket through the back-buckling type pressing plate locking and connecting structure and the fixed support; according to the utility model, the fixing frame and the display screen bracket are fixedly connected together only at one side of the fixing frame of the display screen through the locking bolt and the locking nut, so that the installation space is saved, and the difficulty in maintenance and assembly of the display screen is reduced.

Description

Back-buckling type pressing plate locking connection structure and display screen

Technical Field

The utility model relates to the technical field of display screens, in particular to a back-fastening type pressing plate locking connection structure and a display screen.

Background

The LED display screen is a flat-panel display, which is composed of small LED module panels, is used for displaying various information such as characters, images and videos, integrates microelectronic technology, computer technology and information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news release, securities trade and the like, and can meet the requirements of different environments.

Along with the development in LED display market now, except traditional information display etc. effect, the appearance, the function of LED display are also diversified more and more according to the difference of user demand, current LED display mostly is spliced by a plurality of display module and forms to add the installation and the control assembly of display screen, lead to the display screen inner space that this just is in a situation more tension, often can appear adjacent display module edge installation space not enough condition, make the not firm enough of LED display screen connection, do not have the space to assemble the operation even, increased the degree of difficulty of display screen maintenance and equipment.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model is to provide a locking connection structure of a back-fastening type pressing plate and a display screen, which solve the technical problems of insufficient installation space, loose connection and difficult maintenance and assembly of the display screen in the prior art.

In order to solve the technical problems, the present utility model provides a locking connection structure of a back-fastening type pressing plate, for locking connection with a fixed frame, comprising:

the mounting plate comprises a bottom plate and a vertical plate, one end of the bottom plate is connected with one end of the vertical plate, the bottom plate is mutually perpendicular to the vertical plate, and a long slot hole is formed in the other end of the bottom plate;

one end of the pressing plate is provided with a limiting protrusion matched with the long groove hole;

the vertical plate is attached to one side of the fixed frame through a first bolt and a first nut, the other end of the pressing plate penetrates through the long groove hole and is attached to the other side opposite to one side of the fixed frame, a limiting protrusion at one end of the pressing plate is limited by the long groove hole, one end of the first bolt penetrates through the other end of the vertical plate and the other end of the pressing plate and is connected with the first nut, and the first nut is locked to clamp the fixed frame through the pressing plate and the mounting plate.

As a more preferable mode, a first fixing through hole is formed in the other end of the vertical plate, a second fixing through hole corresponding to the first fixing through hole is formed in the other end of the pressing plate, and one end of the first bolt penetrates through the first fixing through hole of the vertical plate and the second fixing through hole of the pressing plate and is connected with the first nut; so, will one end of first bolt passes the first fixed through-hole of riser and the second fixed through-hole of clamp plate and with first nut is connected for locking first bolt nut is laborsaving more, more conveniently utilizes the clamp plate with the mounting panel presss from both sides tightly fixed frame.

As a more preferable mode, two first fixing through holes are formed in the other end of the vertical plate, two second fixing through holes corresponding to the first fixing through holes are formed in the other end of the pressing plate, and one ends of the two first bolts respectively penetrate through the corresponding first fixing through holes and the second fixing through holes and are connected with the two first nuts; therefore, the locking force of the back-buckling type pressing plate locking connection structure can be increased, the pressing plate and the mounting plate can be firmly clamped on the fixed frame, and the stability of the back-buckling type pressing plate locking connection structure and the fixed frame locking connection is improved.

As a more preferable mode, the limit protrusion is an elongated protrusion, and the elongated protrusion is clamped at the outer side of the elongated slot; therefore, the strip-shaped protruding blocks are clamped on the outer sides of the long groove holes, so that the pressing plate is limited.

The utility model also provides a display screen, comprising:

a fixed frame;

a display screen bracket;

a fixed support;

above-mentioned back-buckling type clamp plate locking connection structure, back-buckling type clamp plate locking connection structure set up in one side of fixed frame, the one end of fixed bolster with back-buckling type clamp plate locking connection structure fixed connection, the other end of fixed bolster with display screen support fixed connection will fixed frame with display screen support links together.

As a more preferable mode, the fixing support comprises a support column and a fixing plate, one end of the support column is fixedly connected with the back-buckling type pressing plate locking connection structure, the other end of the support column is fixed with the fixing plate, and the fixing plate is connected with the display screen bracket; therefore, the fixing frame and the display screen bracket are fixedly connected together through the back-buckling type pressing plate locking connection structure and the fixing support.

As a more preferable mode, the fixing plate is in threaded connection with the display screen bracket through a second bolt; therefore, only one side of the fixed frame is locked with the connecting structure and the fixed support through the back-buckling type pressing plate, the fixed frame and the display screen support are fixedly connected together through the second bolt, the installation space is saved, and the difficulty of maintenance and assembly of the display screen is reduced.

As a more preferable mode, the fixing plate is provided with a fixing hole, the display screen bracket is provided with a threaded hole corresponding to the fixing hole, and the second bolt penetrates through the fixing hole and the threaded hole to fixedly connect the fixing plate and the display screen bracket together; therefore, the second bolt is screwed down through the fixing hole and the threaded hole, the operation is convenient, and the fixing plate and the display screen support are connected together through threads.

As a more preferable mode, the fixing holes comprise two fixing plates which are respectively arranged at two ends of the fixing plate, two threaded holes are correspondingly arranged on the display screen bracket, and two second bolts respectively penetrate through the corresponding fixing holes and the threaded holes to fixedly connect the fixing plate and the display screen bracket together; so, can strengthen the bearing capacity of fixed bolster to can link together a plurality of display screen supports and fixed frame, the display screen of corresponding installation is just also bigger, can be applicable to multiple different places as required.

As a more preferable mode, the display device further comprises a plurality of display units, wherein the display units are fixed on the display screen bracket; thus, the display unit can display various information such as texts, images, videos and the like for outdoor media advertising.

As described above, the back-buckling type pressing plate locking and connecting structure and the display screen have the following beneficial effects: when the back-fastening type pressing plate locking and connecting structure is used, the fixing frame can be locked by only locking the first bolt and the nut on one side of the mounting plate and utilizing the clamping force between the pressing plate and the mounting plate, the mounting space is saved, the number of parts is small, the mounting difficulty is reduced, the operation is convenient, and other structures connected through the back-fastening type pressing plate locking and connecting structure can be realized, and the effect of saving the mounting space is achieved; when the display screen is used, the first bolt and the first nut are locked on one side of the fixed frame of the display screen, the pressing plate and the mounting plate are used for clamping the fixed frame, the back-fastening type pressing plate locking and connecting structure is locked and connected on the fixed frame of the display screen, one end of the fixed support is fixedly connected with the back-fastening type pressing plate locking and connecting structure, and the other end of the fixed support is fixedly connected with the display screen support, so that the fixed frame and the display screen support are fixedly connected together, the mounting space is saved, and the difficulty in maintenance and assembly of the display screen is reduced.

Drawings

Fig. 1 is a schematic view showing a structure of the back-fastening type platen locking connection structure of the present utility model in an unlocked state.

Fig. 2 is a schematic structural view of the locking connection structure of the back-fastening type pressing plate in the locked state.

Fig. 3 is a schematic structural view showing a locking and fixing frame of the back-fastening type pressing plate locking and connecting structure of the present utility model.

Fig. 4 is a schematic structural view of a display screen according to the present utility model.

Description of element reference numerals

1. Mounting plate

11. Bottom plate

110. Long slot

12. Vertical plate

120. First fixing through hole

2. Pressing plate

21. Spacing bump

22. Second fixing through hole

3. First bolt

4. First nut

5. Fixed frame

6. Display screen bracket

7. Fixed support

71. Support column

72. Fixing plate

720. Fixing hole

8. Second bolt

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. The following detailed description is not to be taken in a limiting sense, and the scope of embodiments of the present application is defined only by the claims of the issued patent. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Spatially relative terms, such as "upper," "lower," "left," "right," "lower," "upper," and the like, may be used herein to facilitate a description of one element or feature as illustrated in the figures as being related to another element or feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," "held," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; A. b and C). An exception to this definition will occur only when a combination of elements, functions or operations are in some way inherently mutually exclusive.

In order to make the objects, technical solutions and advantages of the present utility model more apparent, further detailed description of the technical solutions in the embodiments of the present utility model will be given by the following examples with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1, 2 and 3, the present utility model provides a back-fastening type platen locking connection structure for locking connection with a fixed frame 5, comprising:

the mounting plate 1, wherein the mounting plate 1 comprises a bottom plate 11 and a vertical plate 12, one end of the bottom plate 11 is connected with one end of the vertical plate 12, the bottom plate 11 is perpendicular to the vertical plate 12, and a long slot hole 110 is formed in the other end of the bottom plate 11;

a pressing plate 2, wherein one end of the pressing plate 2 is provided with a limiting protrusion 21 matched with the long slotted hole 110;

the first bolt 3 and the first nut 4 attach the vertical plate 12 to one side of the fixed frame 5, the other end of the pressing plate 2 passes through the long slot hole 110 and attaches to the other side opposite to the one side of the fixed frame 5, the limit protrusion 21 at one end of the pressing plate 2 is limited by the long slot hole 110, one end of the first bolt 3 passes through the other end of the vertical plate 12 and the other end of the pressing plate 2 and is connected with the first nut 4, and the first nut 4 is locked to clamp the fixed frame 5 by using the pressing plate 2 and the mounting plate 1.

When the back-fastening type pressing plate locking connection structure is used, the vertical plate 12 is attached to one side of the fixed frame 5, the other end of the pressing plate 2 passes through the long groove hole 110 on the bottom plate 11 and is attached to the other side opposite to one side of the fixed frame 5, the limiting protrusion 21 at one end of the pressing plate 2 is limited by the long groove hole 110, one end of the first bolt 3 passes through the other end of the vertical plate 12 and the other end of the pressing plate 2 and is connected with the first nut 4, and the fixed frame 5 can be locked only by locking the first bolt 3 and the first nut 4 at one side of the mounting plate 1 and utilizing the clamping force between the pressing plate 2 and the mounting plate 1, so that the mounting space is saved, the number of parts is small, the mounting difficulty is reduced, the operation is convenient, and other structures connected through the back-fastening type pressing plate locking connection structure can be realized, and the effect of saving the mounting space is achieved.

In this embodiment, as shown in fig. 1, 2 and 3, a first fixing through hole 120 is formed at the other end of the vertical plate 12, a second fixing through hole 22 corresponding to the first fixing through hole 120 is formed at the other end of the pressing plate 2, and one end of the first bolt 3 passes through the first fixing through hole 120 of the vertical plate 12 and the second fixing through hole 22 of the pressing plate 2 and is connected to the first nut 4; in this way, one end of the first bolt 3 passes through the first fixing through hole 120 of the vertical plate 12 and the second fixing through hole 22 of the pressing plate 2 and is connected with the first nut 4, so that the first bolt 3 and the first nut 4 are locked more labor-effectively, and the pressing plate 2 and the mounting plate 1 are more conveniently used for clamping the fixing frame 5.

Further, in this embodiment, as shown in fig. 1, 2 and 3, two first fixing through holes 120 are disposed at the other end of the vertical plate 12, the two first fixing through holes 120 are respectively located at two sides of the other end of the vertical plate 12, two second fixing through holes 22 corresponding to the first fixing through holes 120 are disposed at the other end of the pressing plate 2, and one ends of the two first bolts 3 respectively pass through the corresponding first fixing through holes 120 and the second fixing through holes 22 on the vertical plate 12 and the pressing plate 2 and are connected with the two first nuts 4; in this way, the two first bolts 3 and the first nuts 4 respectively penetrate through the corresponding first fixing through holes 120 and the corresponding second fixing through holes 22 to lock and connect the vertical plate 12 and the pressing plate 2, so that the locking force of the back-fastening type pressing plate locking and connecting structure can be increased, the pressing plate 2 and the mounting plate 1 can clamp the fixing frame 5 more firmly, and the stability of the locking and connecting of the back-fastening type pressing plate locking and connecting structure and the fixing frame 5 is increased.

Further, in the present embodiment, as shown in fig. 1, 2 and 3, the limiting protrusion 21 is an elongated protrusion, and the elongated protrusion is clamped to the outer side of the elongated slot 110; thus, the elongated protrusions are clamped at the outer sides of the long groove holes 110, so that the pressing plate 2 is limited, and the pressing plate 2 is prevented from falling from the long groove holes 110 of the bottom plate 11.

As shown in fig. 4, the present utility model further provides a display screen, including:

a fixed frame 5;

a display screen bracket 6;

a fixed support 7;

above-mentioned back-buckling type clamp plate locking connection structure, back-buckling type clamp plate locking connection structure set up in one side of fixed frame 5, the one end of fixed bolster 7 with back-buckling type clamp plate locking connection structure fixed connection, the other end of fixed bolster 7 with display screen support 6 fixed connection will fixed frame 5 with display screen support 6 links together.

When the display screen is assembled, the first bolt 3 and the first nut 4 are locked on one side of the fixed frame 5 of the display screen, the fixed frame 5 is clamped by the pressing plate 2 and the mounting plate 1, the back-fastening type pressing plate locking and connecting structure is locked and connected on the fixed frame 5 of the display screen, one end of the fixed support 7 is fixedly connected with the back-fastening type pressing plate locking and connecting structure, and the other end of the fixed support 7 is fixedly connected with the display screen bracket 6, so that the fixed frame 5 and the display screen bracket 6 are fixedly connected together, the mounting space is saved, and the difficulty of maintenance and assembly of the display screen is reduced.

As shown in fig. 3 and 4, in this embodiment, the fixing support 7 includes a support column 71 and a fixing plate 72, one end of the support column 71 is fixedly connected with the back-fastening type pressing plate locking connection structure, the other end of the support column 71 is fixed with the fixing plate 72, and the fixing plate 72 is connected with the display screen bracket 6; in this way, the fixed frame 5 of the display screen and the display screen bracket 6 are fixedly connected together through the back-buckling type pressing plate locking connection structure and the fixed support 7.

As shown in fig. 3 and 4, in this embodiment, the fixing plate 72 is screwed with the display screen bracket 6 by a second bolt 8; so, only pass through in one side of the fixed frame 5 of display screen the connection structure of back-buckling type clamp plate locking and fixed bolster 7, use second bolt 8 with fixed frame 5 and display screen support 6 fixed connection together, saved the installation space, reduced the degree of difficulty that the display screen was maintained and was assembled.

As shown in fig. 3 and 4, in this embodiment, a fixing hole 720 is provided on the fixing plate 72, a threaded hole corresponding to the fixing hole 720 is provided on the display screen bracket 6, and the second bolt 8 passes through the fixing hole 720 and the threaded hole to fixedly connect the fixing plate 72 and the display screen bracket 6 together; in this way, the second bolt 8 is screwed down through the fixing hole 720 and the threaded hole, so that the operation is convenient, the fixing plate 72 and the display screen bracket 6 are connected together through threads, and the display screen fixing frame 5 and the display screen bracket 6 are fixedly connected together, so that the display screen is assembled.

Further, in this embodiment, as shown in fig. 3 and 4, the fixing holes 720 include two fixing plates 72 respectively disposed at two ends of the fixing plate opposite to the supporting column 71, two threaded holes are correspondingly disposed on the display screen bracket 6, and two second bolts 8 respectively pass through the corresponding fixing holes 720 and the threaded holes to fixedly connect the fixing plate 72 and the display screen bracket 6 together; or, the fixing holes 720 include four, two fixing holes 720 are respectively arranged at two ends of the fixing plate 72 opposite to the supporting column 71, and the four second bolts 8 respectively pass through the corresponding fixing holes 720 and the threaded holes to fixedly connect the fixing plate 72 and the display screen bracket 6 together; in this way, one or two fixing holes 720 are respectively formed in the two ends of the fixing plate 72 opposite to the supporting columns 71, the fixing support 7 is connected with the display screen support 6 through the second bolts 8 in a threaded manner, so that the bearing capacity of the fixing support 7 can be enhanced, a plurality of display screen supports 6 and the fixing frames 5 can be connected together, the display screen correspondingly installed is larger, and the display screen can be suitable for various different places as required.

Further, in this embodiment, as shown in fig. 3 and 4, the display device further includes a plurality of display units, and the display units are fixed on the display screen bracket 6; thus, the display unit can display various information such as texts, images, videos and the like for outdoor media advertising.

Further, in the present embodiment, as shown in fig. 3 and 4, the display unit includes a circuit substrate and a display element disposed on the circuit substrate; thus, the display element is integrated on the circuit substrate, further reducing the thickness of the display unit.

As described above, in the reverse buckling type pressing plate locking connection structure of the present utility model, when in use, the vertical plate 12 is attached to one side of the fixed frame 5, the other end of the pressing plate 2 passes through the long slot hole 110 on the bottom plate 11 and is attached to the other side opposite to the one side of the fixed frame 5, the limit protrusion 21 at one end of the pressing plate 2 is limited by the long slot hole 110, one end of the first bolt 3 passes through the other end of the vertical plate 12 and the other end of the pressing plate 2 and is connected with the first nut 4, and the fixed frame 5 can be locked only by locking the first bolt 3 and the first nut 4 at one side of the mounting plate 1 and using the clamping force between the pressing plate 2 and the mounting plate 1, thereby saving the mounting space, reducing the number of parts, reducing the difficulty of mounting, being convenient to operate, and further realizing other structures connected by the reverse buckling type pressing plate locking connection structure of the present utility model, and achieving the effect of saving the mounting space; when the display screen is assembled, the first bolt 3 and the first nut 4 are locked on one side of the fixed frame 5 of the display screen, the fixed frame 5 is clamped by the pressing plate 2 and the mounting plate 1, the back-fastening type pressing plate locking and connecting structure is locked and connected on the fixed frame 5 of the display screen, one end of the fixed support 7 is fixedly connected with the back-fastening type pressing plate locking and connecting structure, and the other end of the fixed support 7 is fixedly connected with the display screen bracket 6, so that the fixed frame 5 and the display screen bracket 6 are fixedly connected together, the mounting space is saved, and the difficulty of maintenance and assembly of the display screen is reduced. In summary, the present utility model effectively overcomes the disadvantages of the prior art and has high industrial utility value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. A back-fastening type pressing plate locking connection structure for locking connection of a fixed frame (5), characterized by comprising:

the mounting plate (1), the mounting plate (1) comprises a bottom plate (11) and a vertical plate (12), one end of the bottom plate (11) is connected with one end of the vertical plate (12), the bottom plate (11) is mutually perpendicular to the vertical plate (12), and a long slot hole (110) is formed in the other end of the bottom plate (11);

a limiting protrusion (21) matched with the long groove hole (110) is arranged at one end of the pressing plate (2);

the fixing device comprises a vertical plate (12) and a fixing frame (5), wherein the vertical plate is attached to one side of the fixing frame (5) through a first bolt (3) and a first nut (4), the other end of the pressing plate (2) penetrates through a long groove hole (110) and is attached to the other side opposite to one side of the fixing frame (5), a limiting protrusion (21) at one end of the pressing plate (2) is limited by the long groove hole (110), one end of the first bolt (3) penetrates through the other end of the vertical plate (12) and the other end of the pressing plate (2) and is connected with the first nut (4), and the fixing frame (5) is clamped by the first nut (4) through the pressing plate (2) and the mounting plate (1).

2. The back-fastening type pressing plate locking connection structure according to claim 1, wherein a first fixing through hole (120) is formed in the other end of the vertical plate (12), a second fixing through hole (22) corresponding to the first fixing through hole (120) is formed in the other end of the pressing plate (2), and one end of the first bolt (3) penetrates through the first fixing through hole (120) of the vertical plate (12) and the second fixing through hole (22) of the pressing plate (2) and is connected with the first nut (4).

3. The back-fastening type pressing plate locking connection structure according to claim 2, wherein two first fixing through holes (120) are formed in the other end of the vertical plate (12), two second fixing through holes (22) corresponding to the first fixing through holes (120) are formed in the other end of the pressing plate (2), and one ends of the two first bolts (3) respectively penetrate through the corresponding first fixing through holes (120) and the corresponding second fixing through holes (22) and are connected with the two first nuts (4).

4. The structure according to claim 1, wherein the limit protrusion (21) is an elongated protrusion, and the elongated protrusion is clamped to the outer side of the slot hole (110).

5. A display screen, comprising:

a fixed frame (5);

a display screen bracket (6);

a fixed support (7);

the back-fastening type pressing plate locking connection structure according to any one of claims 1 to 4, wherein the back-fastening type pressing plate locking connection structure is arranged on one side of the fixed frame (5), one end of the fixed support (7) is fixedly connected with the back-fastening type pressing plate locking connection structure, the other end of the fixed support (7) is fixedly connected with the display screen support (6), and the fixed frame (5) is connected with the display screen support (6).

6. The display screen according to claim 5, wherein the fixing support (7) comprises a support column (71) and a fixing plate (72), one end of the support column (71) is fixedly connected with the back-fastening type pressing plate locking connection structure, the other end of the support column is fixedly connected with the fixing plate (72), and the fixing plate (72) is connected with the display screen support (6).

7. A display screen according to claim 6, characterized in that the fixing plate (72) is screwed with the display screen bracket (6) by means of a second bolt (8).

8. The display screen according to claim 7, wherein a fixing hole (720) is formed in the fixing plate (72), a threaded hole corresponding to the fixing hole (720) is formed in the display screen bracket (6), and the second bolt (8) passes through the fixing hole (720) and the threaded hole to fixedly connect the fixing plate (72) and the display screen bracket (6) together.

9. The display screen according to claim 8, wherein the fixing holes (720) comprise two fixing plates (72), two threaded holes are respectively formed in two ends of the fixing plate, two corresponding threaded holes are correspondingly formed in the display screen support (6), and two second bolts (8) respectively penetrate through the corresponding fixing holes (720) and the threaded holes to fixedly connect the fixing plate (72) and the display screen support (6) together.

10. A display screen according to claim 5, further comprising a number of display units, which are fixed to the display screen holder (6).