CN219891840U - Display device convenient to maintain before and after - Google Patents

Abstract

The utility model provides a display device convenient for front and back maintenance, comprising: the mounting framework is provided with a positioning hole and a first fixing hole; the electric control box is provided with a locating piece matched with the locating hole and a second fixing hole correspondingly arranged with the first fixing hole, the electric control box is located by using the locating piece to penetrate through the locating hole, and then the electric control box is locked on the back of the installation framework by using a double-head screw to penetrate through the first fixing hole and the second fixing hole; the display module is magnetically attracted to the front surface of the installation framework; the utility model realizes that the key component can be conveniently assembled and disassembled for front maintenance and rear maintenance through the magnetic display module and the double-headed screw for fixing the electric control box, and solves the problem that the display device with a single maintenance scheme in the prior art cannot adaptively implement front maintenance or rear maintenance according to specific items and specific scenes of maintenance.

Description

Display device convenient to maintain before and after

Technical Field

The utility model relates to the technical field of structural design of a large display screen, in particular to a display device convenient for front and rear maintenance.

Background

With the development of technology, the display large screen is widely applied to application scenes such as markets, performance halls, airports, exhibition halls, monitoring command centers, experimental teaching and the like. Currently, when maintenance is needed, a display device on the market is opened from the front of the display device to implement front maintenance or opened from the back of the display device to implement back maintenance, however, for different maintenance projects or different installation scenes, the difficulty of front maintenance and back maintenance is very different, so that some projects and scenes are suitable for front maintenance and some projects and scenes are suitable for back maintenance, and the display device with a single maintenance scheme cannot implement front maintenance or back maintenance according to the specific project and specific scene adaptability of maintenance.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present utility model is to provide a display device that is convenient for front-back maintenance, and solve the problem that the display device with a single maintenance scheme in the prior art cannot adaptively implement front maintenance or back maintenance according to a specific item and a specific scene of maintenance.

In order to solve the above technical problems, the present utility model provides a display device convenient for front and rear maintenance, including:

the mounting framework is provided with a positioning hole and a first fixing hole;

the electric control box is provided with a locating piece matched with the locating hole and a second fixing hole correspondingly arranged with the first fixing hole, the electric control box is located by using the locating piece to penetrate through the locating hole, and then the electric control box is locked on the back of the installation framework by using a double-head screw to penetrate through the first fixing hole and the second fixing hole;

and the display module is magnetically attracted to the front surface of the installation framework.

Preferably, the installation framework comprises a rectangular enclosing frame, a middle shaft cross beam and a middle shaft vertical beam, the middle shaft cross beam and the middle shaft vertical beam are mutually perpendicular and are arranged in the middle of the rectangular enclosing frame in a crossing mode, the positioning holes are formed in the middle shaft vertical beam, the first fixing holes are formed in the middle shaft cross beam, and the arranged middle shaft cross beam and the middle shaft vertical beam strengthen the mechanism of the installation framework.

Preferably, the rectangular enclosure frame, the middle shaft cross beam and the middle shaft vertical beam are uniformly provided with magnetic members.

Preferably, the positioning hole comprises an extending part and a locking part which are communicated with each other, the positioning piece comprises a positioning head and a positioning rod connected with the positioning head, the positioning head is placed into the extending part, the positioning piece is moved to clamp the positioning rod into the locking part, and positioning of the positioning piece and the positioning hole is completed.

Preferably, the display module comprises a display unit, a circuit substrate and a magnet piece, wherein the magnet piece is fixed on the circuit substrate, the magnet piece support is fixed on the circuit substrate, and the circuit substrate is directly attached to the mounting framework, so that the flatness of the circuit substrate is further influenced by the tolerance of other filled structures, and the flatness of the display unit is further improved.

Preferably, the display module further comprises a module rear cover for protecting the display unit and the circuit substrate, and the module rear cover is further provided with a handle for facilitating the back mounting of the display module.

Preferably, the rectangular enclosure frame is provided with a detachable connection block and a first positioning pin hole and a third fixing hole for connecting another rectangular enclosure frame connection block, the connection block is provided with a second positioning pin hole and a fourth fixing hole corresponding to the first positioning pin hole and the third fixing hole, the two adjacent rectangular enclosure frames are positioned by using the positioning pins to pass through the first positioning pin hole and the second positioning pin hole, and the two adjacent rectangular enclosure frames are locked by using the fastening screws to pass through the third fixing hole and the fourth fixing hole, so that the display device convenient for front and rear maintenance is simple in structure and convenient to assemble.

Preferably, the connecting block comprises a plurality of second positioning pin holes and fourth fixing holes with different opening angles, and the installation framework is connected with different angles by replacing different connecting blocks, so that the assembly of the arc-shaped screen is realized, and the use scene of the utility model is increased.

Preferably, the number of the positioning pieces is multiple, the positioning pieces are regularly arranged on the electric control box, and the positions of the electric control box on the installation framework are adjusted by changing the positioning pieces hung on the positioning holes so as to avoid other equipment, so that the display device convenient for front and rear maintenance is additionally provided with other equipment, and the display device is more flexible and convenient.

Preferably, the middle shaft cross beam is provided with a plurality of first fixing holes so as to be matched with a plurality of second fixing holes corresponding to different electric control box installation positions.

As described above, the display device of the present utility model, which is convenient for front and rear maintenance, has the following advantageous effects: when the display device convenient for front and rear maintenance is used, when front maintenance is required to be implemented from the front of the display device, the display module magnetically attracted to the front of the installation framework is taken down by utilizing the sucker, then the double-headed screw is screwed towards one end of the display device, the double-headed screw is unscrewed, and the positioning piece is separated from the positioning hole by lifting the electric control box, so that the electric control box can be conveniently taken down, and the electric control box can be conveniently installed from the front in the same way; when the display device is required to be maintained from the back, the electric control box can be conveniently taken down or mounted by rotating the other end of the double-ended screw; the display device convenient for front and back maintenance realizes that the key component can be conveniently assembled and disassembled for front maintenance and back maintenance through the magnetic-attraction display module and the double-headed screw for fixing the electric control box, and solves the problem that the display device with a single maintenance scheme in the prior art cannot adaptively implement front maintenance or back maintenance according to specific items and specific scenes of maintenance.

Drawings

FIG. 1 is a schematic view of a display device of the present utility model for facilitating front-to-back maintenance;

FIG. 2 shows an enlarged view of a portion of the area A of FIG. 1;

FIG. 3 is an enlarged view of a portion of region B of FIG. 1;

FIG. 4 is a schematic view of a stud of the display device of the present utility model for facilitating front-to-back maintenance;

FIG. 5 is a schematic view showing an assembled assembly of a display device for facilitating front-to-back maintenance according to the present utility model;

fig. 6 shows a partial enlarged view of the region C in fig. 5.

Description of element reference numerals

1. Mounting framework

11. Rectangular surrounding frame

111. First positioning pin hole

112. Third fixing hole

113. Connecting groove

114. Positioning pin

115. Fastening screw

12. Middle axle beam

121. First fixing hole

13. Center shaft vertical beam

131. Positioning hole

131a extending portion

131b locking part

14. Double-headed screw

141. Retainer ring

15. Connecting block

151. Second positioning pin hole

152. Fourth fixing hole

153. Connection through hole

154. Internal diagonal screw

2. Electric control box

21. Positioning piece

211. Positioning head

212. Positioning rod

22. Second fixing hole

23. Power line

3. Display module

31. Circuit substrate

32. Magnet piece

33. Module rear cover

331. Handle grip

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 the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims, but rather by the claims, unless otherwise indicated, and unless otherwise indicated, all changes in structure, proportions, or otherwise, used by those skilled in the art, are included in the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

As shown in the drawings, the present utility model provides a display device for facilitating front-rear maintenance, comprising:

a mounting framework 1, wherein a positioning hole 131 and a first fixing hole 121 are formed in the mounting framework 1;

the electronic control box 2 is provided with a positioning piece 21 matched with the positioning hole 131 and a second fixing hole 22 corresponding to the first fixing hole 121, the electronic control box 2 is positioned by using the positioning piece 21 to penetrate through the positioning hole 131, and then the electronic control box 2 is locked on the back surface of the installation framework 1 by using the double-headed screw 14 to penetrate through the first fixing hole 121 and the second fixing hole 22;

and the display module 3 is magnetically attracted to the front surface of the installation framework 1.

When the display device convenient for front and rear maintenance is used, when front maintenance is required to be implemented from the front of the display device, the display module 3 magnetically attracted to the front of the installation framework 1 is taken down by utilizing the sucker, then the double-headed screw 14 is rotated towards one end of the display device, the double-headed screw 14 is unscrewed, and then the electric control box 2 is lifted to release the positioning piece from the positioning hole, so that the electric control box 2 is conveniently taken down, and the electric control box 2 can be conveniently installed from the front in the same way; when the display device is required to be maintained from the back, the electric control box 2 can be conveniently removed or installed by rotating the other end of the double-ended screw 14.

In this embodiment, as shown in fig. 1, the installation framework 1 includes a rectangular enclosure frame 11, a central axis beam 12 and a central axis vertical beam 13, the central axis beam 12 and the central axis vertical beam 13 are perpendicularly and crosswise disposed in the middle of the rectangular enclosure frame 11, the positioning hole 131 is disposed on the central axis vertical beam 13, and the first fixing hole 121 is disposed on the central axis beam 12.

In this embodiment, as shown in fig. 1 and 2, the display module 3 includes a display unit, a circuit substrate 31 and a magnet member 32, where the display unit includes a plurality of light emitting components, the light emitting components are fixed on the circuit substrate 31, and the light emitting components are used as the display unit, so that the display module is convenient and simple; further, in this embodiment, the light emitting component is an LED lamp bead.

In this embodiment, as shown in fig. 1, the magnet member 32 is fixed on the circuit substrate 31, and corresponds to the position of the magnetic member, the magnetic member support is fixed on the circuit substrate 31, and the circuit substrate 31 is directly attached to the mounting frame 1, so that the flatness of the circuit substrate 31 is prevented from being further affected by the tolerance of other structures filled therebetween, and the flatness of the display unit is further improved.

In this embodiment, as shown in fig. 1, the one mounting frame 1 corresponds to four display modules 3, the four display modules 3 respectively correspond to four areas divided by the central axis beam 12 and the central axis vertical beam 13 equally dividing the peripheral frame, and the magnet pieces 32 are uniformly arranged at the edges of the imaging unit.

Further, in this embodiment, as shown in fig. 2 and 3, the positioning hole 131 includes an extending portion 131a and a locking portion 131b that are in conduction with each other, the positioning member 21 includes a positioning head 211 and a positioning rod 212 connected to the positioning head 211, the positioning head 211 is placed into the extending portion 131a, and the positioning member 21 is moved to clamp the positioning rod 212 into the locking portion 131b, so as to complete positioning of the positioning member 21 and the positioning hole 131.

In this embodiment, as shown in fig. 1, the display module 3 further includes a module rear cover 33 for protecting the display unit and the circuit substrate 31, and the module rear cover 33 is fixed to the rear side of the display module 3; still further, in the present embodiment, as shown in fig. 1, a handle 331 is provided on the module rear cover 33 to facilitate mounting of the display module 3 from the rear.

In this embodiment, as shown in fig. 1, a detachable connection block 15 and a first positioning pin hole 111 and a third fixing hole 112 for connecting the connection block 15 of another rectangular enclosure frame 11 are provided on the rectangular enclosure frame 11, a second positioning pin hole 151 and a fourth fixing hole 152 corresponding to the first positioning pin hole 111 and the third fixing hole 112 are provided on the connection block 15, the positioning pin 114 passes through the first positioning pin hole 111 and the second positioning pin hole 151 to position two adjacent rectangular enclosure frames 11, and the fastening screw 115 passes through the third fixing hole 112 and the fourth fixing hole 152 to lock the two adjacent rectangular enclosure frames 11.

Further, in this embodiment, as shown in fig. 1, 5 and 6, the edge of the rectangular enclosure frame 11 is provided with a connection slot 113 adapted to the outer contour of the connection block 15, a connection fixing hole is provided at the bottom of the connection slot 113, a connection through hole 153 is correspondingly provided on the corresponding connection block 15, and the inner diagonal screw 154 passes through the connection fixing hole and the connection through hole 153 to lock the connection hole on the rectangular enclosure frame 11.

Further, in this embodiment, as shown in fig. 5 and 6, the connecting block 15 includes a plurality of second positioning pin holes 151 and fourth fixing holes 152 with different angles, and the installation framework 1 is connected at different angles by replacing different connecting blocks 15, so as to realize the assembly of the arc-shaped screen, and increase the usage scenario of this embodiment.

In this embodiment, as shown in fig. 1, the upper portion and the lower portion of the bottom bracket beam 13 are respectively provided with a positioning hole 131, and the left side and the right side of the bottom bracket beam 12 are respectively provided with a first fixing hole 121; the number of the positioning pieces 21 arranged on the electric control box 2 is four, two positioning holes 131 are respectively formed in two sides of the electric control box 2 and correspond to two positioning holes 131 on the middle shaft vertical beam 13, the number of the second fixing holes 22 are two and are respectively formed in two sides of the electric control box 2, the positioning pieces 21 corresponding to the positioning holes 131 are hung on the left side or the right side through changing, and meanwhile, the corresponding first fixing holes 121 and second fixing holes 22 are fixed through the double-headed screws 14, so that the positions of the electric control box 2 on the installation framework 1 are adjusted, other equipment devices are avoided, and the display device which is convenient to maintain front and back in the embodiment is further additionally provided with other equipment, and is more flexible and convenient.

In this embodiment, as shown in fig. 1, four sets of power lines 23 for supplying power to the four display modules 3 are provided on the electronic control box 2.

In this embodiment, as shown in fig. 4, a retaining ring 141 is sleeved at one end of the stud 14 facing the display module 3, so as to prevent the stud 14 from being accidentally separated, so that the design is more humanized and safer; further, in this embodiment, the retainer ring 141 is a C-shaped ring, which can be easily mounted on or dismounted from one end of the stud 14.

In this embodiment, the first fixing hole 121, the second fixing hole 22, the third fixing hole 112, and the fourth fixing hole 152 are threaded holes.

In summary, according to the display device convenient for front and rear maintenance of the present utility model, through the magnetically attracted display module 3 and the double-headed screw 14 for fixing the electronic control box 2, the key component can be conveniently assembled and disassembled during front maintenance and rear maintenance, and the problem that the display device with a single maintenance scheme in the prior art cannot adaptively implement front maintenance or rear maintenance according to specific items and specific scenes of maintenance is solved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization 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 (10)

1. A display device for facilitating front-to-back maintenance, comprising:

the mounting framework (1), a positioning hole (131) and a first fixing hole (121) are formed in the mounting framework (1);

the electronic control box (2), a locating piece (21) which is matched with the locating hole (131) and a second fixing hole (22) which is arranged corresponding to the first fixing hole (121) are arranged on the electronic control box (2), the electronic control box (2) is located by the locating piece (21) penetrating through the locating hole (131), and then the electric control box (2) is locked on the back of the installation framework (1) by the aid of the double-headed screw (14) penetrating through the first fixing hole (121) and the second fixing hole (22);

the display module (3), the display module (3) is magnetically attracted to the front face of the installation framework (1).

2. The display device for facilitating front-to-back maintenance according to claim 1, wherein: the mounting framework (1) comprises a rectangular surrounding frame (11), a middle shaft cross beam (12) and a middle shaft vertical beam (13), wherein the middle shaft cross beam (12) and the middle shaft vertical beam (13) are mutually perpendicular and are arranged in the middle of the rectangular surrounding frame (11), the positioning hole (131) is formed in the middle shaft vertical beam (13), and the first fixing hole (121) is formed in the middle shaft cross beam (12).

3. The display device for facilitating front-to-back maintenance according to claim 2, wherein: magnetic members are uniformly arranged on the rectangular surrounding frame (11), the middle shaft cross beam (12) and the middle shaft vertical beam (13).

4. The display device for facilitating front-to-back maintenance according to claim 2, wherein: the positioning hole (131) comprises an extending part (131 a) and a locking part (131 b) which are communicated with each other, the positioning piece (21) comprises a positioning head (211) and a positioning rod (212) connected with the positioning head (211), the positioning head (211) is placed in the extending part (131 a), the positioning piece (21) is moved to clamp the positioning rod (212) into the locking part (131 b), and positioning of the positioning piece (21) and the positioning hole (131) is completed.

5. The display device for facilitating front-to-back maintenance according to claim 1, wherein: the display module (3) comprises a display unit, a circuit substrate (31) and a magnet piece (32), wherein the magnet piece (32) is fixed on the circuit substrate (31).

6. The front-to-back maintenance-facilitated display device of claim 5, wherein: the display module (3) further comprises a module rear cover (33), and a handle (331) is arranged on the module rear cover (33).

7. The display device for facilitating front-to-back maintenance according to claim 2, wherein: the rectangular surrounding frame (11) is provided with a detachable connecting block (15) and a first positioning pin hole (111) and a third fixing hole (112) for connecting the connecting block (15) of the other rectangular surrounding frame (11), the connecting block (15) is provided with a second positioning pin hole (151) and a fourth fixing hole (152) corresponding to the first positioning pin hole (111) and the third fixing hole (112), the two adjacent rectangular surrounding frames (11) are positioned by penetrating the positioning pin (114) through the first positioning pin hole (111) and the second positioning pin hole (151), and the two adjacent rectangular surrounding frames (11) are locked by penetrating the third fixing hole (112) and the fourth fixing hole (152) through fastening screws (115).

8. The front-to-back maintenance-facilitated display device of claim 7, wherein: the connecting blocks (15) comprise a plurality of second locating pin holes (151) and fourth fixing holes (152) which are formed in different angles, and the installation framework (1) is connected in different angles by replacing different connecting blocks (15), so that the arc-shaped screen is assembled.

9. The display device for facilitating front-to-back maintenance according to claim 2, wherein: the number of the positioning pieces (21) is multiple, the positioning pieces (21) are regularly arranged on the electric control box (2), and the positions of the electric control box (2) on the installation framework (1) are adjusted by changing the positioning pieces (21) hung on the positioning holes (131) so as to avoid equipment.

10. The front-to-back maintenance-facilitated display device of claim 9, wherein: the center shaft cross beam (12) is provided with a plurality of first fixing holes (121) so as to be matched with a plurality of second fixing holes (22) corresponding to the installation positions of different electric control boxes (2).