CN213025185U - Double-maintenance LED display screen unit box - Google Patents

Double-maintenance LED display screen unit box Download PDF

Info

Publication number
CN213025185U
CN213025185U CN202022053185.6U CN202022053185U CN213025185U CN 213025185 U CN213025185 U CN 213025185U CN 202022053185 U CN202022053185 U CN 202022053185U CN 213025185 U CN213025185 U CN 213025185U
Authority
CN
China
Prior art keywords
display screen
module
screen unit
integrated hub
die
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022053185.6U
Other languages
Chinese (zh)
Inventor
梁凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen City Xinguang Core System Device Co ltd
Original Assignee
Shenzhen City Xinguang Core System Device Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen City Xinguang Core System Device Co ltd filed Critical Shenzhen City Xinguang Core System Device Co ltd
Priority to CN202022053185.6U priority Critical patent/CN213025185U/en
Application granted granted Critical
Publication of CN213025185U publication Critical patent/CN213025185U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model discloses a double-maintenance LED display screen unit box, which comprises a die-casting box body, a die-casting box body rear cover, a display screen module and an integrated HUB board component; the die-casting box body comprises a hollow main frame, a quick lock is mounted on the main frame, a display screen module mounting position and an integrated HUB board assembly mounting position are arranged in the main frame, the integrated HUB board assembly mounting position comprises two ribs and two cross beams, the two ribs are longitudinally arranged in the main frame at intervals, and the two cross beams are transversely arranged between the two ribs at intervals; the integrated HUB plate assembly is arranged on the integrated HUB plate assembly mounting position, and the die-casting box body rear cover is detachably connected to the rear side of the die-casting box body and covers the integrated HUB plate assembly; the display screen module is arranged on the display screen module mounting position in a magnetic attraction manner; the method and the device can solve the problem of the efficiency of rapid large screen aging of a display screen factory in a factory and can also solve field installation.

Description

Double-maintenance LED display screen unit box
Technical Field
The utility model relates to a LED display screen box technical field, concretely relates to two LED display screen unit casees of maintaining.
Background
With the development and maturation of LED technology, the polarization has become the current trend. Not only the LED display screen unit box body display effect is extremely ization, and the frivolousness of structure and the variety of maintenance mode also are the direction of extremely ization. The existing LED display screen unit box body has a thick and heavy engraving impression, and higher cost is required in the aspects of transportation cost and installation structure. The single maintenance mode also makes the LED display screen have certain limitation in the application, current LED display screen unit box is when the concatenation, the box that satisfies the front maintenance can only install earlier the box that has power and control board, then on-the-spot lean on the artifical concatenation with module one to go, the display screen of this kind of structure, owing to need splice the box earlier and install the module again, it can't be ageing at the whole quick installation of case of mill, the installation effectiveness slows down greatly. The existing box body which can be maintained afterwards and installed quickly has certain limitation on front maintenance, and elements in the box body cannot be maintained quickly.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a two LED display screen unit casees of maintaining.
The utility model adopts the technical proposal that:
the double-maintenance LED display screen unit box comprises a die-casting box body, a die-casting box body rear cover, a display screen module and an integrated HUB board assembly; the die-casting box body comprises a hollow main frame, a quick lock is mounted on the main frame, a display screen module mounting position and an integrated HUB board assembly mounting position are arranged in the main frame, the integrated HUB board assembly mounting position comprises two ribs and two cross beams, the two ribs are longitudinally arranged in the main frame at intervals, and the two cross beams are transversely arranged between the two ribs at intervals; the integrated HUB plate assembly is arranged on the integrated HUB plate assembly mounting position, and the die-casting box body rear cover is detachably connected to the rear side of the die-casting box body and covers the integrated HUB plate assembly; the display screen module is installed on the display screen module installation position through the mode of magnetism.
Furthermore, an inner frame is further arranged in the display screen module installation position, the inner frame is respectively connected with the main frame and the integrated HUB-version module installation position, and the display screen module installation position is divided into a plurality of display screen unit module installation positions by the inner frame; the display screen module comprises a plurality of display screen unit modules, and each display screen unit module is correspondingly installed on the display screen unit module installation position in a magnetic attraction mode.
Further, the display screen unit module includes module afterbody, module afterbody back cover and display panel cell board, display panel cell board fixed mounting is on the module afterbody, the rear side of connecting the module afterbody can be dismantled to module afterbody back cover, the module afterbody is installed on display screen unit module installation position through the mode of magnetism.
Further, the outer wall of the main frame is obliquely arranged, and the inclination of the outer wall is 32 degrees.
Further, the thickness of the main frame is 18 mm.
Further, integrated HUB board subassembly includes integrated HUB board, power and control card, integrated HUB board is installed on the fixed column of crossbeam, the power is fixed at the rear side of integrated HUB board and is connected with integrated HUB board electricity, the rear side at integrated HUB board is installed to the control card.
Furthermore, the die-casting box body is circumferentially provided with support lugs at intervals, through holes are formed in the support lugs, and quick locks are arranged in the through holes.
Further, the outside interval of muscles and bones is equipped with the buckle, the both sides correspondence of lid is equipped with elastic joint spare behind the die-casting box, has seted up the joint groove on elastic joint spare, lid realizes dismantling the connection through the cooperation of buckle and joint groove behind the die-casting box.
Further, the module afterbody includes module afterbody frame, is equipped with the joint mouth in the inboard of module afterbody frame, and the rear side of this joint mouth is equipped with spacing step, the outside of lid behind the module afterbody, and be equipped with the joint bump of protrusion in its outer wall corresponding to the joint mouth, the joint bump stretches into in the joint mouth, and by spacing step spacing.
Furthermore, one end of the rear cover of the module rear body is provided with a hollow clearance hole.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a unit box of a dual-maintenance LED display screen provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a die-casting box provided in an embodiment of the present application;
FIG. 3 is a cross-sectional view of a die cast case provided by an embodiment of the present application;
FIG. 4 is a schematic view of an integrated HUB plate assembly mounting structure provided in an embodiment of the present application;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic structural diagram of a rear cover of the die-casting box provided in the embodiment of the present application;
fig. 7 is a schematic structural diagram of a display screen unit module according to an embodiment of the present disclosure;
fig. 8 is a schematic diagram of a display panel unit plate structure provided in the embodiment of the present application;
fig. 9 is a schematic view of a rear body structure of a module according to an embodiment of the present disclosure;
fig. 10 is a schematic view of a rear cover structure of a rear body of a module according to an embodiment of the present application.
The die-casting box comprises a die-casting box body 1, a main frame 11, ribs 12, a buckle 121, a cross beam 13, a fixing column 131, a support lug 14, an inner frame 15, a die-casting box body rear cover 2, an elastic clamping piece 21, a clamping groove 211, a display screen module 3, a display surface unit plate 31, a module rear body 32, a clamping interface 321, a module rear body rear cover 33, clearance holes 331, clamping bumps 332, a quick lock 4, a bolt 41, a locking hole 411, a locking plate 42, a locking plate 421, an integrated HUB plate 51, a copper column 52, a control card 53 and a power supply 54.
Detailed Description
Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, which substantially lies in the connection relationship between hardware, not in the functions and methods themselves, that is, the present invention relates to a few functions and methods, but does not include the improvements proposed in the functions and methods themselves. The present invention is described for better illustration of the function and method for better understanding of the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Referring to fig. 1 to 10, the double-maintenance LED display screen unit box of the present application includes a die-casting box body 1, a die-casting box body rear cover 2, a display screen module 3, and an integrated HUB board assembly; the die-casting box body 1 comprises a hollow main frame 11, a quick lock 4 is installed on the main frame 11, a display screen module installation position and an integrated HUB board assembly installation position are arranged in the main frame 11, the integrated HUB board assembly installation position comprises two ribs 12 and two cross beams 13, the two ribs 12 are longitudinally arranged in the main frame 11 at intervals, and the two cross beams 13 are transversely arranged between the two ribs 12 at intervals; the integrated HUB plate assembly is arranged on the integrated HUB plate assembly mounting position, and the die-casting box body rear cover 2 is detachably connected to the rear side of the die-casting box body 1 and covers the integrated HUB plate assembly; the display screen module 3 is installed on the display screen module installation position through the mode of magnetism.
The die-casting box body 1 is of a hollow frame structure, a display screen module mounting position and an integrated HUB board assembly mounting position are arranged in a main frame 11, the integrated HUB board assembly is mounted on the integrated HUB board assembly mounting position, and a die-casting box body rear cover 2 is detachably connected to the rear side of the die-casting box body 1 and covers the integrated HUB board assembly; the display screen module 3 is arranged on the display screen module mounting position in a magnetic attraction mode, the mounting is convenient and rapid, the display screen module can be arranged on the die-casting box body 1 by a jig in advance, the effect is rapid, the consistency is good, and the manual adjustment of workers is not needed; when the display screen unit boxes are installed on site, the complete display screen unit boxes can be spliced, and installation personnel can complete installation only by inserting the quick locks 4 on the die-casting box body 1 into the adjacent display screen unit boxes and locking the quick locks; the problem of rapid large screen aging efficiency of a display screen factory in a factory can be solved, and field installation can also be solved.
When the display screen unit box is installed, if a maintenance space and a screen lapping space are arranged on the site, the display screen unit box can be installed in a factory, and site personnel only need the quick lock 4 to tightly press the quick lock 4 at the rear part of the casting box body 1; if the scene does not have the maintenance space and takes the screen space, then the utility model discloses can install integrated HUB plate subassembly on die-casting box 1, install the display screen module 3 that needs the concatenation again at the scene, LED display screen unit case's two maintenance around realizing.
Integrated HUB board subassembly installation position can set up in the centre of die-casting box 1, cuts apart into the display screen module installation position of the left and right sides with die-casting box 1. Integrated HUB board subassembly installation position includes two muscles and bones 12 and two crossbeams 13, and two muscles and bones 12 vertical interval sets up in main frame 11, and two crossbeams 13 horizontal interval sets up between two muscles and bones 12, is equipped with two fixed columns 131 on every crossbeam 13, and integrated HUB board subassembly passes through the back lock screw fixation on fixed column 131. The ribs 12 arranged longitudinally and the cross beam 13 arranged transversely ensure the strength of the hollow die-casting box body 1 and facilitate the installation of the integrated HUB plate component.
An inner frame 15 is further arranged in the display screen module mounting position, the inner frame 15 is respectively connected with the main frame 11 and the integrated HUB-version assembly mounting position, and the inner frame 15 divides the display screen module mounting position into a plurality of display screen unit module mounting positions; the display screen module 3 comprises a plurality of display screen unit modules, and each display screen unit module is correspondingly installed on the display screen unit module installation position in a magnetic attraction mode.
In this embodiment, the inner frame 15 divides the display screen module mounting positions on the left and right sides into 3 display screen unit module mounting positions, and each display screen unit box has 6 display screen unit module mounting positions; correspondingly, each display screen unit box is provided with 6 display screen unit modules; each display screen unit module is correspondingly installed on the display screen unit module installation position in a magnetic attraction mode.
Display screen unit module includes module afterbody 32, module afterbody hou gai 33 and display panel cell board 31, and display panel cell board 31 fixed mounting is on module afterbody 32, and module afterbody hou gai 33 can dismantle the rear side of connecting module afterbody 32, and module afterbody 32 is installed on display screen unit module installation position through the mode of magnetism.
Specifically, the module rear body 32 includes a module rear body 32 frame, which is a hollow frame structure. The inboard at module afterbody 32 frame is equipped with joint interface 321, and the rear side of this joint interface 321 is equipped with spacing step, the outside of module afterbody back cover 33, and be equipped with the joint bump 332 of protrusion in its outer wall corresponding to joint interface 321, joint bump 332 stretch into in the joint interface 321, and by spacing step to with module afterbody back cover 33 demountable installation on module afterbody 32.
One end of the rear module body cover 33 is provided with a hollow clearance hole 331, and the clearance hole 331 is used for avoiding a signal interface on the display panel unit plate 31 and is convenient for detaching the rear module body cover 33.
The display panel unit plate 31 is fixed in the module rear body 32 by tapping a PB1.0 screw of a country origin on the back surface of the module rear body 32 into the display panel unit plate 31; after the fixing, the rear cover 33 with the clamping salient points 332 is clamped into the clamping interface 321 of the rear module body 32, so as to complete the sealing of the display screen unit module. The frame of the rear module body 32 is provided with a nut, a magnetic seat of M3 is twisted in the nut, iron sheets are correspondingly arranged on the main frame 11 or/and the inner frame 15 corresponding to the display screen unit module mounting position of the die-casting box body 1, and the rear module body 32 is connected with the iron sheets on the die-casting box body 1 through the adsorption effect of the magnetic seat and the iron sheets.
The integrated HUB board assembly comprises an integrated HUB board 51, a power supply 54 and a control card 53, wherein the integrated HUB board 51 is installed on a fixing column 131 of the cross beam 13, a copper column 52 is welded on the rear side of the integrated HUB board 51, the power supply 54 is fixed on the copper column 52 through screws, so that the power supply 54 is fixed on the rear side of the integrated HUB board, the power supply 54 is electrically connected with the integrated HUB board, one end of the power supply 54 is externally connected with a 220V entry power supply 54, and the other end of the power supply 54 supplies 5V low-voltage electricity to the integrated HUB board; the control card 53 is installed at the rear side of the integrated HUB board and located at a position below the power supply 54, and the control card 53 is installed in the corresponding card slot to be integrated with the integrated HUB board.
The outside interval of muscles and bones 12 is equipped with buckle 121, and the both sides of lid 2 correspond behind the die-casting box are equipped with elastic clamping spare 21, have seted up joint groove 211 on elastic clamping spare 21, and lid 2 realizes dismantling the connection through the cooperation of buckle 121 and joint groove 211 behind the die-casting box.
The outer wall of the main frame 11 is inclined, the inclination of the outer wall is 32 degrees, and the thickness of the main frame 11 is 18 mm. The main frame 11, which is obliquely disposed, has a thinner visual effect while securing strength.
The main frame 11 of the die casting box body 1 is provided with support lugs 14 at intervals along the circumferential direction, the support lugs 14 are provided with through holes, and the through holes are internally provided with the quick locks 4. Quick lock 4 includes locking plate 42 and bolt 41, sets up the locking plate 42 and the bolt 41 of mutually supporting respectively at two opposite sides of main frame 11, has locking hole 411 on the bolt 41, has locking plate 421 on the locking plate 42, and when the installation, bolt 41 on the display screen unit case inserts in the locking plate 42 hole rather than adjacent display screen unit case, inserts locking hole 411 with locking plate 421 and can realize quick installation.
According to the LED display screen unit box, double maintenance is realized, and components in the display screen unit box can also realize double maintenance; if a maintenance channel is arranged behind the display screen, a maintainer can open the rear cover 2 of the die-casting box body behind the display screen to replace the damaged power supply 54 and the control card 53; if the display screen unit module is damaged, if a maintenance channel is arranged behind the display screen, a maintainer can climb to the damaged display screen unit module through the structure, push the display screen unit module out from the rear to the front, and then take down the display screen unit module from the gap on the die-casting box body 1 for maintenance; if there is not maintenance space in display screen rear, accessible folding ladder takes off the display screen unit module that damages from the front and maintains to integrated HUB board subassembly also can take off through the screw that loosens front fixed, takes off power 54 and control card 53 again and can carry out the maintenance of corrupting to the power 54 and the control card 53 that damage.
Adopt this application structure, can realize that the most efficient takes the screen speed, solve mill and lean the ageing inefficiency problem of screen. The screen leaning efficiency is improved by 30 percent, and the labor cost is saved by 20 percent; the efficiency of field installation personnel is improved by 30%, and the installation labor cost can be saved by 40%; the method is not limited by the installation site environment, the problem that the display screen needs to be customized according to the installation site structure is solved, the business cycle is shortened, a large amount of spare warehouses can be provided, and the purchasing cost is reduced.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, system, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, systems, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims (10)

1. The double-maintenance LED display screen unit box is characterized by comprising a die-casting box body (1), a die-casting box body rear cover (2), a display screen module (3) and an integrated HUB board assembly; the die-casting box body (1) comprises a hollow main frame (11), a quick lock (4) is installed on the main frame (11), a display screen module installation position and an integrated HUB board assembly installation position are arranged in the main frame (11), the integrated HUB board assembly installation position comprises two ribs (12) and two cross beams (13), the two ribs (12) are longitudinally arranged in the main frame (11) at intervals, and the two cross beams (13) are transversely arranged between the two ribs (12) at intervals; the integrated HUB plate assembly is arranged on the integrated HUB plate assembly mounting position, and the die-casting box body rear cover (2) is detachably connected to the rear side of the die-casting box body (1) and covers the integrated HUB plate assembly; the display screen module (3) is installed on the display screen module installation position in a magnetic attraction mode.
2. The dual maintenance LED display screen unit box according to claim 1, wherein an inner frame (15) is further provided in the display screen module installation site, the inner frame (15) is connected to the main frame (11) and the integrated HUB board assembly installation site, respectively, and the inner frame (15) divides the display screen module installation site into a plurality of display screen unit module installation sites; the display screen module (3) comprises a plurality of display screen unit modules, and each display screen unit module is correspondingly installed on the display screen unit module installation position in a magnetic attraction mode.
3. The dual-maintenance LED display screen unit box according to claim 2, wherein the display screen unit module comprises a module rear body (32), a module rear body rear cover (33) and a display panel unit plate (31), the display panel unit plate (31) is fixedly installed on the module rear body (32), the module rear body rear cover (33) is detachably connected with the rear side of the module rear body (32), and the module rear body (32) is installed on the display screen unit module installation position in a magnetic attraction manner.
4. Double maintenance LED display screen unit box according to claim 1, characterised in that the main frame (11) outer wall is arranged inclined with an inclination of 32 °.
5. Dual maintenance LED display screen unit box according to claim 4, characterized in that the main frame (11) is 18mm thick.
6. The dual maintenance LED display screen unit box according to claim 1, wherein the integrated HUB board assembly comprises an integrated HUB board (51), a power supply (54) and a control card (53), the integrated HUB board (51) is mounted on the fixing posts (131) of the cross beam (13), the power supply (54) is fixed at the rear side of the integrated HUB board (51) and electrically connected with the integrated HUB board (51), and the control card (53) is mounted at the rear side of the integrated HUB board (51).
7. The double-maintenance LED display screen unit box according to any one of claims 1 to 6, wherein support lugs (14) are arranged at intervals along the circumferential direction of the die-casting box body (1), through holes are formed in the support lugs (14), and quick locks (4) are arranged in the through holes.
8. The double-maintenance LED display screen unit box according to claim 7, wherein buckles (121) are arranged at intervals on the outer sides of the ribs (12), elastic clamping pieces (21) are correspondingly arranged on two sides of the die-casting box body rear cover (2), clamping grooves (211) are formed in the elastic clamping pieces (21), and the die-casting box body rear cover (2) is detachably connected through the cooperation of the buckles (121) and the clamping grooves (211).
9. The double-maintenance LED display screen unit box of claim 3, wherein the module rear body (32) comprises a module rear body (32) frame, a clamping interface (321) is arranged on the inner side of the module rear body (32) frame, a limiting step is arranged on the rear side of the clamping interface (321), a clamping bump (332) protruding out of the outer wall of the module rear body rear cover (33) is arranged on the outer side of the module rear body rear cover corresponding to the clamping interface (321), and the clamping bump (332) extends into the clamping interface (321) and is limited by the limiting step.
10. The dual maintenance LED display screen unit box of claim 9, wherein one end of the module rear body rear cover (33) is provided with a hollow clearance hole (331).
CN202022053185.6U 2020-09-17 2020-09-17 Double-maintenance LED display screen unit box Active CN213025185U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022053185.6U CN213025185U (en) 2020-09-17 2020-09-17 Double-maintenance LED display screen unit box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022053185.6U CN213025185U (en) 2020-09-17 2020-09-17 Double-maintenance LED display screen unit box

Publications (1)

Publication Number Publication Date
CN213025185U true CN213025185U (en) 2021-04-20

Family

ID=75478424

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022053185.6U Active CN213025185U (en) 2020-09-17 2020-09-17 Double-maintenance LED display screen unit box

Country Status (1)

Country Link
CN (1) CN213025185U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113643623A (en) * 2021-08-11 2021-11-12 深圳市齐普光电子股份有限公司 LED display screen with power supply control box capable of being maintained front and back and maintenance method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113643623A (en) * 2021-08-11 2021-11-12 深圳市齐普光电子股份有限公司 LED display screen with power supply control box capable of being maintained front and back and maintenance method thereof

Similar Documents

Publication Publication Date Title
CN100483792C (en) Cell component of electric motorcar
CN101877363A (en) Solar battery module frame, solar battery module and system for mounting same
CN213025185U (en) Double-maintenance LED display screen unit box
CN201329796Y (en) Installation structure for power battery of vehicle
CN218826565U (en) Split type reactor
CN214099784U (en) Lithium battery convenient to installation
CN211447333U (en) Waterproof building wall
CN211637313U (en) Wear-resistant machine sieve for rice mill
CN106058102A (en) Power battery and car with same
CN217469866U (en) Photovoltaic module frame convenient to it is fixed
CN219643348U (en) Simple and convenient switch board skeleton of installation and switch board
CN220510459U (en) Low-voltage distribution board
CN102904172A (en) Special cabinet for cabinet combination and cabinet combination method
CN216202333U (en) Liquid crystal splicing screen with front maintenance installation function
CN220066548U (en) Converging grid-connected box
CN219452542U (en) Mesh enclosure of axial flow fan and axial flow fan using mesh enclosure
CN219875640U (en) Frame unit, photovoltaic module and photovoltaic system
CN217115575U (en) Lightning arrester with bottom support adjusting structure for power transmission and transformation
KR20070011766A (en) Soundproof wall
CN220324352U (en) Frame type isolating switch mounting structural member
CN113114092B (en) Connecting structure of photovoltaic module and photovoltaic support
CN217048244U (en) Pure electric mine card battery positioning assembly
CN219386683U (en) Steel constructs factory building concatenation formula base
CN215266554U (en) Unmanned aerial vehicle inserts formula battery fixing plate soon
CN209891432U (en) Detachable board room assembling board convenient to splice

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant