CN112178383A

CN112178383A - Display device for digital security field

Info

Publication number: CN112178383A
Application number: CN202011030544.4A
Authority: CN
Inventors: 赵杰
Original assignee: Zhuji Qiwei Technology Co ltd
Current assignee: Zhuji Qiwei Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-01-05

Abstract

The invention discloses display equipment for the field of digital security, which comprises a fixed seat and an extension seat, wherein a first support column is fixedly arranged in the middle of the upper end of the fixed seat, a first extension rod is fixedly arranged at the upper end of the first support column, a second support column is fixedly arranged at the upper end of the extension seat, a second extension rod is fixedly arranged at the upper end of the second support column, mounting frames are respectively arranged in the middle of the outer surfaces of the first support column and the first extension rod, extension frames are respectively arranged in the middle of the outer surfaces of the second support column and the second extension rod, fixing parts are respectively arranged at the front ends of the mounting frames and the extension frames, a display screen is respectively arranged at the front end of each fixing part, and connecting sleeves are respectively arranged between the first support column and the first extension rod as well as between the second support column. The display equipment used in the field of digital security can select the number of the display screens to be installed according to actual needs, is convenient for adjusting the angles of the display screens, and is suitable for popularization and use.

Description

Display device for digital security field

Technical Field

The invention relates to the field of digital security display equipment, in particular to display equipment used in the field of digital security.

Background

The 'digital security protection' is switched in from the digital information of a mobile target individual, takes the digital coding information and the digital characteristic information of an identification target as a technical core, adopts an active method, starts from strengthening daily affair management, automatically monitors and manages personnel mobility, article mobility, information mobility, fund mobility and the like, and can quickly judge. And releasing the mobile request meeting the conditions, rejecting the mobile request not meeting the conditions, and sending alarm information. Meanwhile, the system can record all-around and store various flowing and alarming information in a digital mode. The appearance of the safety protection device fundamentally changes the traditional concept of people on safety and management, greatly improves the working conditions of safety protection and improves the working efficiency. In the global scope, the digitalization trend of the security technology field is not smooth, and the traditional technology faces the challenge

The digital security protection combines the traditional security protection technology with the modern digital processing technology, the communication technology and the computer network technology, and has the advantages of high intelligent degree, high accuracy, high processing speed, large storage capacity and quick and accurate data query.

Wherein in digital security protection field, need use the display screen and be used for showing monitoring information, however in prior art, the mounting means to the display screen is various, but most of mounting structures all have installation complex operation, and the back is accomplished in the installation, is not convenient for dismantle the maintenance to the display screen, and the display screen body is difficult to carry out the angle upset simultaneously and adjusts, in view of above problem, the inventor provides a display device for digital security protection field.

Disclosure of Invention

The invention mainly aims to provide a display device used in the field of digital security and protection, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a display device for digital security protection field, includes fixing base and extension seat, fixing base upper end middle part fixed mounting has first support column, first support column upper end fixed mounting has first extension rod, extension seat upper end fixed mounting has the second support column, second support column upper end fixed mounting has the second extension rod, first support column and first extension rod surface middle part all are provided with the mounting bracket, second support column and second extension rod surface middle part all are provided with the extension frame, the equal slidable mounting of mounting bracket and extension frame front end has the mounting, every the equal fixed mounting of mounting front end has the display screen, all be provided with the adapter sleeve jointly between first support column and first extension rod and second support column and the second extension rod.

Preferably, the mounting bracket includes first sleeve pipe, the first through-hole of break-over about seted up at first sleeve pipe upper end middle part, the equal fixed mounting of first sleeve pipe left end and right-hand member has first bumping post, and first bumping post keeps away from first sheathed tube one end and all is provided with first rubber buffer, mounting slip fixed mounting is at two first bumping post front ends, four first spacing grooves, two have been seted up to the one end rectangle array that first rubber buffer is close to first bumping post four first gag lever posts corresponding with first spacing groove of the equal fixedly connected with of one end that first bumping post is close to first rubber buffer.

Preferably, the middle parts of the outer surfaces of the first support column and the first extension rod are fixedly provided with support rings, and the section diameter of each support ring is larger than that of the first sleeve.

Preferably, the external screw thread has all been carved with on first support column surface lower part and the first extension rod surface upper portion, the adapter sleeve is inside hollow cylindrical structure, and the adapter sleeve inner wall is carved with the internal thread, the second support column is the same with the connected mode of second extension rod and the connected mode of first support column and first extension rod.

Preferably, the extension frame includes the second sleeve pipe, the second through-hole of break-over about set up at second sleeve pipe upper end middle part, one side fixed mounting that the mounting bracket was kept away from to the second sleeve pipe surface has the second spliced pole, the second spliced pole is kept away from second sheathed tube one end fixed mounting and is had the second rubber buffer, four second gag lever posts of one end fixedly connected with that the second spliced pole is close to the second rubber buffer, one side fixed mounting that the second sleeve pipe surface is close to the mounting bracket has the connecting block, four second spacing grooves corresponding with the second gag lever post have all been seted up to the one end that second rubber buffer and connecting block are close to the mounting bracket.

Preferably, the mounting includes the L template, the equal fixed mounting in horizontal part lower extreme middle part and the vertical part rear end upper portion of L template has T type slider, T type spout has all been seted up at second spliced pole upper end middle part and front end middle part, L template front end middle part fixed mounting has the connecting plate, the connecting plate front end is bilateral symmetry fixed mounting has two fixed blocks, and common fixed mounting has the axostylus axostyle between two fixed blocks, axostylus axostyle surface middle part rotates and is connected with the axle sleeve, axle sleeve surface front portion fixed mounting has the fixed plate, fixed plate front end fixed mounting has the mounting panel, and the equal fixed mounting in mounting panel front end upper portion and front end lower part has.

Preferably, display screen rear end middle part fixed mounting has the horizontal plate, horizontal plate lower extreme symmetry fixed mounting has two inserted bars, two the jack of two upper and lower break-over is seted up to the equal symmetry in picture peg upper end, two the inserted bar alternates respectively in four jacks with display screen and mounting relatively fixed together.

Preferably, the rear part of the lower end of the vertical part of the L-shaped plate is in threaded connection with a screw rod, the rear end of the screw rod is fixedly provided with a rotary valve, the front end of the screw rod penetrates through the vertical part of the L-shaped plate and is fixedly provided with an elastic plastic ball, the lower part of the rear end of the mounting plate is provided with a groove, and the outer surface of the elastic plastic ball is tightly attached to the wall of the groove.

Preferably, the fixing base and the equal symmetry fixed mounting of extension seat front end have two backup pads, and backup pad and fixing base and extension seat are the integrated into one piece structure, two rectangular channels have been seted up to the one end that the fixing base is close to the extension seat, the one end fixed mounting that the extension seat is close to the fixing base has two extension boards, and two extension boards insert two rectangular channels respectively.

Preferably, the mounting is the same with the connected mode of first spliced pole and mounting and second spliced pole, the overall structure of first spliced pole is the same with the overall structure of second spliced pole, the connected mode and the mounting bracket of extension frame and second support column and second extension pole are the same with the connected mode of first support column and first extension pole.

Compared with the prior art, the invention has the following beneficial effects:

1. by arranging the fixing piece, the connection mode of the fixing piece and the first connecting column is the same as that of the fixing piece and the second connecting column, and the fixing piece can slide left and right on the first connecting column and the second connecting column by utilizing the matching of the T-shaped sliding block and the T-shaped sliding groove, so that the position of the display screen can be conveniently adjusted; the inserted bar is matched with the four jacks, so that the display screen can be conveniently and rapidly installed and is relatively fixed with the fixing piece; adjust the rotary valve, can make the screw rod rotate to promote the mounting panel through elasticity plastic ball, with fixed block, axostylus axostyle and axle sleeve cooperation, reach the purpose of the upper and lower inclination of adjustment display screen.

2. Through being provided with the extension frame and extending the seat, can utilize the connecting block, make its and the cooperation of the first gag lever post of mounting bracket one end accomplish the butt joint equipment to can reach the purpose that increases the installation quantity of display screen.

3. The whole display equipment is simple and convenient to install and operate, the number of the display screens can be selected according to actual needs, and the application range is wide.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a display device used in the field of digital security according to the present invention;

FIG. 2 is a schematic connection diagram of a mounting bracket, a first supporting seat and a first extension rod of a display device for the digital security field according to the present invention;

FIG. 3 is a schematic view of the overall structure of a second connecting column of a display device for digital security field according to the present invention;

FIG. 4 is a schematic diagram of the overall structure of a connector of a display device for digital security field according to the present invention;

FIG. 5 is a rear right view of a display screen of a display device for use in the digital security field of the present invention;

FIG. 6 is a schematic view of a connection between a fixing base and an extension base of a display device in the field of digital security according to the present invention;

fig. 7 is a schematic view of an overall structure of a display device used in the field of digital security and protection before assembly.

In the figure: 1. a fixed seat; 2. an extension base; 3. a first support column; 4. a first extension bar; 5. a second support column; 6. a second extension bar; 7. a mounting frame; 71. a first sleeve; 72. a first connecting column; 73. a first through hole; 74. a support ring; 75. a first rubber plug; 76. a first limit groove; 77. a first limit rod; 8. an extension frame; 81. a second sleeve; 82. a second through hole; 83. a second rubber plug; 84. a second limiting rod; 85. connecting blocks; 86. a second connecting column; 9. a fixing member; 901. an L-shaped plate; 902. a T-shaped slider; 903. a connecting plate; 904. a fixed block; 905. a shaft lever; 906. mounting a plate; 907. a fixing plate; 908. a shaft sleeve; 909. inserting plates; 910. a jack; 911. rotating the valve; 912. a screw; 913. an elastic plastic ball; 10. a display screen; 101. a horizontal plate; 102. inserting a rod; 11. connecting sleeves; 12. a support plate; 13. an extension plate; 14. a rectangular groove; 15. t-shaped sliding chutes.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Detailed description of the preferred embodiment

Referring to FIG. 1 and FIG. 2, fig. 4 and fig. 5, a display device for digital security field, including fixing base 1 and extension seat 2, 1 upper end middle part fixed mounting of fixing base has

first support column

3, 3 upper end fixed mounting of first support column has

first extension rod

4, 2 upper end fixed mounting of extension seat has

second support column

5, 5 upper end fixed mounting of second support column has second extension rod 6,

first support column

3 and 4 surface middle parts of first extension rod all are provided with mounting bracket 7, 6 surface middle parts of second support column 5 and second extension rod all are provided with extension frame 8, mounting bracket 7 and the equal slidable mounting of 8 front ends of extension frame have mounting 9, the equal fixed mounting of every mounting 9 front ends has display screen 10, all be provided with adapter sleeve 11 between first support column 3 and first extension rod 4 and second support column 5 and the second extension rod 6 jointly.

Mounting bracket 7 includes first sleeve pipe 71, first sleeve pipe 71 upper end middle part is seted up the first through-hole 73 of upper and lower break-over, the equal fixed mounting of first sleeve pipe 71 left end and right-hand member has first spliced pole 72, and the one end that first spliced pole 72 kept away from first sleeve pipe 71 all is provided with first rubber buffer 75, mounting 9 slides fixed mounting at two first spliced poles 72 front ends, four first spacing grooves 76 have been seted up to the one end rectangle array that first spliced pole 75 is close to first spliced pole 72, two equal fixedly connected with four of one end that first spliced pole 72 is close to first rubber buffer 75 and first gag lever post 77 corresponding with first spacing groove 76, in carrying out the installation, through first rubber buffer 75, can effectively restrict mounting 9 at first spliced pole 72 front end afterwards.

The middle parts of the outer surfaces of the first support column 3 and the first extension rod 4 are fixedly provided with support rings 74, the section diameters of the support rings 74 are larger than that of the first sleeve 71, and the support rings 74 can support the mounting frame 7, so that the first support column 3 and the first extension rod 4 can be kept relatively fixed.

External screw threads are carved with on 3 surface lower parts of first support column and 4 surface upper portions of first extension rod, adapter sleeve 11 is inside hollow cylindrical structure, and adapter sleeve 11 inner wall is carved with the internal thread, through being provided with adapter sleeve 11, the connected mode of second support column 5 and second extension rod 6 is the same with the connected mode of first support column 3 and first extension rod 4, adopt threaded connection's mode, can be with first support column 3 and first extension rod 4 and second support column 5 and second extension rod 6 relatively fixed, when guaranteeing its connection fastening, still be convenient for dismantle it, and is easy and simple to handle.

The fixing piece 9 comprises an L-shaped plate 901, a T-shaped sliding block 902 is fixedly arranged at the middle part of the lower end of the horizontal part of the L-shaped plate 901 and the upper part of the rear end of the vertical part of the L-shaped plate 901, a T-shaped sliding chute 15 is respectively arranged at the middle part of the upper end and the middle part of the front end of the second connecting post 86, a connecting plate 903 is fixedly arranged at the middle part of the front end of the L-shaped plate 901, two fixing blocks 904 are fixedly arranged at the front end of the connecting plate 903 in a bilateral symmetry manner, a shaft lever 905 is fixedly arranged between the two fixing blocks 904, a shaft sleeve 908 is rotatably connected to the middle part of the outer surface of the shaft lever 905, a fixing plate 907 is fixedly arranged at the front part of the outer surface of the shaft sleeve 908, a mounting plate 906 is fixedly arranged at the front end of the fixing plate 907, inserting plates 909 are fixedly arranged at the upper part and, by means of the cooperation of the T-shaped slider 902 and the T-shaped sliding slot 15, the fixing member 9 can slide left and right on the first connecting column 72 and the second connecting column 86, so that the position of the display screen 10 can be adjusted conveniently.

The middle part of the rear end of the display screen 10 is fixedly provided with a horizontal plate 101, the lower end of the horizontal plate 101 is symmetrically and fixedly provided with two inserting rods 102, the upper ends of the two inserting plates 909 are symmetrically provided with two inserting holes 910 which are vertically penetrated, the two inserting rods 102 are respectively inserted into the four inserting holes 910 to relatively fix the display screen 10 and the fixing member 9 together, and the inserting rods 102 are matched with the four inserting holes 910, so that the display screen 10 can be conveniently and rapidly installed and can be relatively fixed with the fixing member 9.

The vertical part lower end rear portion threaded connection of L template 901 has screw rod 912, and the equal fixed mounting in screw rod 912 rear end has rotary valve 911, the vertical part and the fixed mounting of L template 901 are run through to the screw rod 912 front end has elasticity plastic ball 913, mounting panel 906 rear end lower part has seted up the recess, and this recess cell wall is hugged closely to elasticity plastic ball 913 surface, through adjusting rotary valve 911, can make screw rod 912 rotate, thereby promote mounting panel 906 through elasticity plastic ball 913, with fixed block 904, axostylus axostyle 905 and axle sleeve 908 cooperate, reach the purpose of adjustment display screen 10's upper and lower inclination.

Detailed description of the invention

The implementation is further optimized based on the first specific embodiment, and the present embodiment focuses on the improvement compared with the first specific embodiment, and the same parts are not repeated.

Referring to fig. 3, 6 and 7, the extension frame 8 includes a second sleeve 81, a second through hole 82 penetrating from top to bottom is formed in the middle of the upper end of the second sleeve 81, a second connecting column 86 is fixedly installed on one side of the outer surface of the second sleeve 81 far away from the mounting frame 7, a second rubber plug 83 is fixedly installed on one end of the second connecting column 86 far away from the second sleeve 81, four second limiting rods 84 are fixedly connected to one end of the second connecting column 86 close to the second rubber plug 83, a connecting block 85 is fixedly installed on one side of the outer surface of the second sleeve 81 close to the mounting frame 7, four second limiting grooves corresponding to the second limiting rods 84 are formed in one ends of the second rubber plug 83 and the connecting block 85 close to the mounting frame 7, through being provided with extension frame 8, can utilize connecting block 85, make it accomplish the butt joint equipment with the cooperation of the first gag lever post 77 of mounting bracket 7 one end to can reach the purpose that increases the installation quantity of display screen 10.

Fixing base 1 and the equal symmetrical fixed mounting in extension 2 front ends have two backup pads 12, and backup pad 12 and fixing base 1 with extend seat 2 and be the integrated into one piece structure, fixing base 1 has been seted up two rectangular channels 14 near the one end of extending seat 2, extend seat 2 and be close to the one end fixed mounting of fixing base 1 and have two extension boards 13, and two extension boards 13 insert two rectangular channels 14 respectively in, with the cooperation of extension frame 8, realize the fast assembly of whole equipment.

In this embodiment, extension frame 8, extension seat 2, second support column 5 and second extension rod 6 are prefabricated standard component, and the user can be according to actual installation demand, the actual mounting height of free selection, and installation width, compare with concrete embodiment one, in this embodiment, the quantity of display screen 10 that can install has increased two at least, from being applicable to bigger security protection monitored control system.

It should be noted that, the invention is a display device used in the field of digital security, by providing the fixing member 9, the connection mode of the fixing member 9 and the first connection column 72 is the same as the connection mode of the fixing member 9 and the second connection column 86, and by utilizing the cooperation of the T-shaped slider 902 and the T-shaped chute 15, the fixing member 9 can slide left and right on the first connection column 72 and the second connection column 86, thereby facilitating the adjustment of the position of the display screen 10; the insertion rods 102 are matched with the four insertion holes 910, so that the display screen 10 can be quickly installed and kept relatively fixed with the fixing piece 9; the rotary valve 911 is adjusted to enable the screw 912 to rotate, so that the mounting plate 906 is pushed through the elastic plastic ball 913 to be matched with the fixing block 904, the shaft lever 905 and the shaft sleeve 908, and the purpose of adjusting the vertical inclination angle of the display screen 10 is achieved; by arranging the extension frame 8 and the extension seat 2, the connection block 85 can be matched with the first limiting rod 77 at one end of the mounting frame 7 to complete butt joint assembly, so that the purpose of increasing the mounting number of the display screens 10 can be achieved; the whole display equipment is simple and convenient to install and operate, the number of the display screens 10 can be selected according to actual needs, and the application range is wide.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a display device for digital security protection field, includes fixing base (1) and extension seat (2), its characterized in that: a first supporting column (3) is fixedly arranged in the middle of the upper end of the fixed seat (1), a first extension rod (4) is fixedly arranged at the upper end of the first supporting column (3), a second supporting column (5) is fixedly arranged at the upper end of the extension seat (2), a second extension rod (6) is fixedly arranged at the upper end of the second supporting column (5), the middle parts of the outer surfaces of the first supporting column (3) and the first extension rod (4) are respectively provided with a mounting rack (7), the middle parts of the outer surfaces of the second supporting column (5) and the second extension rod (6) are respectively provided with an extension frame (8), the front ends of the mounting rack (7) and the extension rack (8) are respectively provided with a fixing piece (9) in a sliding way, the front end of each fixing piece (9) is respectively provided with a display screen (10), all be provided with adapter sleeve (11) jointly between first support column (3) and first extension rod (4) and second support column (5) and second extension rod (6).

2. The display device for the field of digital security according to claim 1, characterized in that: mounting bracket (7) includes first sleeve pipe (71), first through-hole (73) of break-over about seted up at first sleeve pipe (71) upper end middle part, the equal fixed mounting of first sleeve pipe (71) left end and right-hand member has first bumping post (72), and the one end that first sleeve pipe (71) were kept away from in first bumping post (72) all is provided with first rubber buffer (75), mounting (9) slip fixed mounting is at two first bumping post (72) front ends, four first spacing grooves (76), two have been seted up to one end rectangle array that first rubber buffer (75) are close to first bumping post (72) first spacing rod (77) corresponding with first spacing groove (76) four of the equal fixedly connected with of one end that first rubber buffer (75) is close to in first bumping post (72).

3. The display device for the field of digital security according to claim 2, characterized in that: the middle parts of the outer surfaces of the first support column (3) and the first extension rod (4) are fixedly provided with support rings (74), and the section diameter of each support ring (74) is larger than that of the first sleeve (71).

4. The display device for the field of digital security according to claim 1, characterized in that: first support column (3) surface lower part and first extension rod (4) surface upper portion are all carved with the external screw thread, adapter sleeve (11) are inside hollow cylindrical structure, and adapter sleeve (11) inner wall is carved with the internal thread, the connected mode of second support column (5) and second extension rod (6) is the same with the connected mode of first support column (3) and first extension rod (4).

5. The display device for the field of digital security according to claim 1, characterized in that: extend frame (8) and include second sleeve pipe (81), second through-hole (82) of upper and lower break-over are seted up at second sleeve pipe (81) upper end middle part, one side fixed mounting that mounting bracket (7) were kept away from to second sleeve pipe (81) surface has second spliced pole (86), the one end fixed mounting that second sleeve pipe (81) were kept away from to second spliced pole (86) has second rubber buffer (83), four second gag lever posts (84) of one end fixedly connected with that second rubber buffer (83) are close to second spliced pole (86), one side fixed mounting that second sleeve pipe (81) surface is close to mounting bracket (7) has connecting block (85), four second spacing grooves corresponding with second gag lever post (84) have all been seted up to the one end that second rubber buffer (83) and connecting block (85) are close to mounting bracket (7).

6. The display device for the field of digital security according to claim 5, wherein: the fixing piece (9) comprises an L-shaped plate (901), T-shaped sliding blocks (902) are fixedly arranged in the middle of the lower end of the horizontal part and on the upper part of the rear end of the vertical part of the L-shaped plate (901), the middle part of the upper end and the middle part of the front end of the second connecting column (86) are both provided with T-shaped chutes (15), a connecting plate (903) is fixedly arranged in the middle of the front end of the L-shaped plate (901), two fixing blocks (904) are fixedly arranged at the front end of the connecting plate (903) in a left-right symmetrical manner, a shaft lever (905) is fixedly arranged between the two fixing blocks (904), the middle part of the outer surface of the shaft lever (905) is rotatably connected with a shaft sleeve (908), a fixing plate (907) is fixedly arranged at the front part of the outer surface of the shaft sleeve (908), a mounting plate (906) is fixedly arranged at the front end of the fixing plate (907), and the upper part of the front end of the mounting plate (906) and the lower part of the front end are fixedly provided with inserting plates (909).

7. The display device for the field of digital security according to claim 6, wherein: display screen (10) rear end middle part fixed mounting has horizontal plate (101), horizontal plate (101) lower extreme symmetry fixed mounting has two inserted bars (102), two jack (910) of break-over about two are seted up to equal symmetry in picture peg (909) upper end, two inserted bar (102) alternate respectively and are in the same place display screen (10) and mounting (9) relatively fixed in four jack (910).

8. The display device for the field of digital security according to claim 6, wherein: the L-shaped plate (901) is characterized in that a screw rod (912) is in threaded connection with the rear portion of the lower end of the vertical portion of the L-shaped plate (901), a rotary valve (911) is fixedly mounted at the rear end of the screw rod (912), an elastic plastic ball (913) is fixedly mounted at the front end of the screw rod (912) and penetrates through the vertical portion of the L-shaped plate (901), a groove is formed in the lower portion of the rear end of the mounting plate (906), and the outer surface of the elastic plastic ball (913) is tightly attached.

9. The display device for the field of digital security according to claim 1, characterized in that: fixing base (1) and the equal symmetry fixed mounting in extension seat (2) front end have two backup pads (12), and backup pad (12) and fixing base (1) and extension seat (2) are the integrated into one piece structure, two rectangular channels (14) have been seted up near the one end that extends seat (2) in fixing base (1), the one end fixed mounting that extends seat (2) and be close to fixing base (1) has two extension boards (13), and inserts respectively in two rectangular channels (14) two extension boards (13).

10. The display device of claim 2 or 5, wherein the display device comprises: mounting (9) are the same with the connected mode of first spliced pole (72) and the connected mode of mounting (9) and second spliced pole (86), the overall structure of first spliced pole (72) is the same with the overall structure of second spliced pole (86), extend the connected mode of frame (8) and second support column (5) and second extension rod (6) and mounting bracket (7) and the connected mode of first support column (3) and first extension rod (4) the same.