CN114498485A - Bridge for building decoration wiring - Google Patents
Bridge for building decoration wiring Download PDFInfo
- Publication number
- CN114498485A CN114498485A CN202210162301.9A CN202210162301A CN114498485A CN 114498485 A CN114498485 A CN 114498485A CN 202210162301 A CN202210162301 A CN 202210162301A CN 114498485 A CN114498485 A CN 114498485A
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- China
- Prior art keywords
- fixedly connected
- mounting groove
- left end
- hanging
- plate
- 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.)
- Pending
Links
- 238000005034 decoration Methods 0.000 title claims abstract description 18
- 230000000694 effects Effects 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 19
- 230000001681 protective effect Effects 0.000 description 19
- 238000000034 method Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
- H02G3/045—Channels provided with perforations or slots permitting introduction or exit of wires
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F1/00—Preventing the formation of electrostatic charges
- H05F1/02—Preventing the formation of electrostatic charges by surface treatment
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
Abstract
The invention discloses a bridge for building decoration wiring, which relates to the technical field of wiring and comprises a first bridge main body, wherein the back surface of the first bridge main body is fixedly connected with a connecting plate, the back surface of the connecting plate is connected with an expansion plate in a sliding manner, the back surface of the expansion plate is fixedly connected with a second bridge main body, the front surface of the first bridge main body is fixedly connected with a hanging plate, and a mounting groove is formed in the first bridge main body. According to the invention, the first bobbin body and the second bobbin body can be installed side by side through the arrangement of the first bobbin body, the connecting plate, the expansion plate and the second bobbin body, so that the installation is relatively neat and attractive, the concrete adjustment between the first bobbin body and the second bobbin body can be realized by utilizing the arrangement of the connecting plate and the expansion plate, the use is relatively convenient, the first bobbin body can be conveniently hung on a wall according to the arrangement of the hanging plate, the hanging groove and the hanging stop block, and the installation is relatively convenient.
Description
Technical Field
The invention relates to the technical field of wiring, in particular to a bridge for building decoration wiring.
Background
In modern intelligent buildings, various cables are various in specification and large in quantity, and include strong-current cables for transmitting electric power and weak-current cables for constructing broadband networks, and the cables are densely distributed at various parts in the buildings like blood vessels and neurons of human bodies. For this reason, PDS (building integrated wiring system) has been a system that intelligent buildings must be equipped with, which is densely and evenly distributed in thousands of nodes and cables at various required locations of the intelligent building. The following problems exist in the prior art:
1. the existing bridge for building decoration wiring has poor protection effect on internal electric wires, and the electric wires are inconvenient to protect in the installation process;
2. some current for building decoration wiring crane span structure inconvenient fix the position of line frame, and inconvenient fix the position of electric wire, the electric wire is unstable in inside causes serious consequence.
Disclosure of Invention
The invention provides a bridge for building decoration wiring, which aims to solve the problems that some bridges for building decoration wiring have poor protection effect on internal electric wires and are inconvenient to protect the electric wires in the installation process; the other purpose is to solve the problems that the position of a line frame is inconvenient to fix by a bridge frame for building decoration wiring, the position of an electric wire is inconvenient to fix, and the electric wire is unstable inside to cause serious consequences.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a crane span structure for building decoration wiring, includes first rack main part, first rack main part back fixedly connected with connecting plate, the back sliding connection of connecting plate has the expansion plate, the back fixedly connected with second rack main part of expansion plate, the positive fixedly connected with fishplate bar of first rack main part, mounting groove has been seted up to the inside of first rack main part, mounting groove's inside fixedly connected with drying layer, the left end fixedly connected with antistatic backing on drying layer, and the left end fixedly connected with rubber bump of antistatic backing, mounting groove's inside left end fixedly connected with spacing spring, the right-hand member fixedly connected with movable baffle of spacing spring.
By adopting the technical scheme, the distance between the first wire frame main body and the second wire frame main body can be adjusted randomly by utilizing the connecting plate and the expansion plate which are arranged in the scheme, so that the connection and the installation of workers are facilitated.
The technical scheme of the invention is further improved as follows: the movable baffle is fixedly connected with the left end inside the mounting groove through a limiting spring, the movable baffle is an insulating plate, the rubber bump is fixedly connected with the left end of the drying layer through an anti-static layer, and the length of the movable baffle is the same as that of the mounting groove.
The technical scheme of the invention is further improved as follows: the left end of the antistatic layer is fan-shaped, and the arranged rubber bumps are uniformly fixed along the fan shape.
By adopting the technical scheme, the rubber bumps which are uniformly fixed in the scheme are arranged corresponding to the movable baffle, so that the effect of pressure can be utilized to play a fixed effect on the electric wire.
The technical scheme of the invention is further improved as follows: the upper end of first spool main part is provided with protective panel, protective panel sets up the inside at mounting groove, protective panel's left end fixedly connected with son pastes the board, mounting groove's inside left end fixedly connected with mother pastes the board, mounting groove's right-hand member fixedly connected with stopper, mother pastes the board and pastes the board on same water flat line with the son that sets up.
Adopt above-mentioned technical scheme, the mother in this scheme is pasted board and the pasting of son board can carry on spacingly to the position of protective panel, when dismantling afterwards, only need adopt great power pulling protective panel, alright pull open with mother paste board and son board of pasting.
The technical scheme of the invention is further improved as follows: the inside of mounting groove is provided with movable recess, and the inside of activity recess is provided with movable spheroid, the middle part of movable spheroid is run through and is provided with the connecting rod.
The technical scheme of the invention is further improved as follows: the inside upper end of connecting rod is provided with the anticorrosive coating, and the lower extreme fixedly connected with insulating layer of anticorrosive coating.
The technical scheme of the invention is further improved as follows: the two ends of the connecting rod are movably connected with the inner side wall of the arranged movable groove, the movable ball body is movably connected with the movable groove through the arranged connecting rod, and the movable ball body is arranged at the lower end of the protective panel.
The technical scheme of the invention is further improved as follows: the front of the hanging plate is provided with a hanging groove, and the front of the hanging groove is fixedly connected with a hanging stop block.
Adopt above-mentioned technical scheme, only need insert the inside of hanging the recess with the fixture block of nailing on the wall when the installation in this scheme, utilize afterwards to hang stopping of dog, alright inject in order to the position of first spool main part.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a bridge for building decoration wiring, which can be used for installing a first line frame main body and a second line frame main body side by side according to the arrangement of the first line frame main body, a connecting plate, a telescopic plate and the second line frame main body, so that the installation is relatively tidy and attractive, the concrete adjustment between the first line frame main body and the second line frame main body can be realized by utilizing the arrangement of the connecting plate and the telescopic plate, the use is relatively convenient, the first line frame main body can be conveniently hung on a wall according to the arrangement of a hanging plate, a hanging groove and a hanging stop block, and the installation is relatively convenient.
2. The invention provides a bridge for wiring in building decoration, which is characterized in that according to the arrangement of a protective panel, an installation groove, a movable ball and a connecting rod, the outer part of a first bridge main body is conveniently sealed, the damage to internal electric wires caused by the fact that some impurities enter the inner part of the first bridge main body in the use process is avoided, the service life of the device is reduced, according to the arrangement of a female pasting plate and a male pasting plate, the position of the protective panel is conveniently fixed after sealing, the falling phenomenon in the use process is avoided, the use inconvenience is avoided, according to the arrangement of a limiting spring, a movable baffle, a rubber lug and an antistatic layer, the position of the electric wires can be fixed, in addition, according to the arrangement of a dry layer, the damage to the electric wires caused by the occurrence of the electrostatic phenomenon is avoided, the service life of the device is reduced, according to the arrangement of a limiting block, can prescribe a limit to the distance that protective panel removed at the gliding in-process of protective panel, avoid removing the dislocation, cause the inconvenience of installation.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of the overall backside structure of the present invention;
FIG. 3 is a schematic top view of the first bobbin body according to the present invention;
FIG. 4 is a side view of the first bobbin body of the present invention;
FIG. 5 is a schematic view of the structure at A of FIG. 4 according to the present invention.
In the figure: 1. a first bobbin body; 2. a hanging plate; 3. a connecting plate; 4. a retractable plate; 5. a second bobbin body; 6. hanging a groove; 7. hanging a stop block; 8. a protective panel; 9. installing a groove; 10. a female adhesive sheet; 11. a sub-adhesive sheet; 12. a limiting block; 13. a limiting spring; 14. moving the baffle; 15. an antistatic layer; 16. drying the layer; 17. a rubber bump; 18. a movable groove; 19. a movable sphere; 20. a connecting rod; 21. an insulating layer; 22. and (4) an anticorrosive layer.
Detailed Description
The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-5, which are provided as examples to illustrate the invention and not to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, which are described in further detail below with reference to the examples:
example 1
As shown in figures 1-5, the invention provides a bridge for building decoration wiring, which comprises a first bridge body 1, wherein the back of the first bridge body 1 is fixedly connected with a connecting plate 3, the back of the connecting plate 3 is slidably connected with a retractable plate 4, the arrangement of the connecting plate 3 and the retractable plate 4 can adjust the space between the first bridge body 1 and the second bridge body 5, the use is convenient, the back of the retractable plate 4 is fixedly connected with the second bridge body 5, the arrangement of the first bridge body 1, the connecting plate 3, the retractable plate 4 and the second bridge body 5 can install the first bridge body 1 and the second bridge body 5 side by side, so that the installation is tidy and beautiful, the front of the first bridge body 1 is fixedly connected with a hanging plate 2, the first bridge body 1 is internally provided with an installation groove 9, and the installation groove 9 is internally fixedly connected with a drying layer 16, the left end fixedly connected with antistatic backing 15 of dry layer 16, and the left end fixedly connected with rubber bump 17 of antistatic backing 15, the inside left end fixedly connected with of mounting groove 9 has spacing spring 13, the right-hand member fixedly connected with movable baffle 14 of spacing spring 13, utilize connecting plate 3 and the expansion plate 4 that set up, can carry out arbitrary regulation to the distance between first spool main part 1 and the second spool main part 5 to make things convenient for staff's connection and installation.
Example 2
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, movable baffle 14 is through the inside left end fixed connection of limiting spring 13 and the mounting groove 9 that sets up, movable baffle 14 sets up to the insulation board, rubber bump 17 is through the left end fixed connection of the antistatic backing 15 that sets up and dry layer 16, the setting of dry layer 16, avoid appearing the phenomenon of static, cause the harm to the electric wire, the life of reducing mechanism, movable baffle 14's length is the same with the mounting groove 9 length that sets up, antistatic backing 15's left end sets up fan-shaped, and the rubber bump 17 that sets up is evenly fixed along the fan-shaped of setting, evenly fixed rubber bump 17 and movable baffle 14's the corresponding setting, the effect that can utilize pressure plays fixed effect to the electric wire, limiting spring 13, movable baffle 14, rubber bump 17 and antistatic backing 15's setting, can fix the position of electric wire.
In this embodiment, the upper end of the first frame body 1 is provided with a protection panel 8, the protection panel 8 is arranged inside the installation groove 9, the left end of the protection panel 8 is fixedly connected with a sub-pasting board 11, the left end of the inside of the installation groove 9 is fixedly connected with a mother pasting board 10, the right end of the installation groove 9 is fixedly connected with a limiting block 12, the limiting block 12 is arranged to limit the moving distance of the protection panel 8 in the sliding process of the protection panel 8, so as to avoid the inconvenience of installation due to movement, the mother pasting board 10 and the arranged sub-pasting board 11 are on the same horizontal line, the pasting of the mother pasting board 10 and the sub-pasting board 11 can limit the position of the protection panel 8, and then, when the detachment is performed, the protection panel 8 is pulled by a large force, the mother pasting board 10 and the sub-pasting board 11 can be pulled apart, the setting of the mother pasting board 10 and the sub-pasting board 11 is pulled apart, the position of the protective panel 8 is conveniently fixed after the sealing cover, and the phenomenon that the protective panel drops in the using process is avoided, so that the use is inconvenient.
Example 3
As shown in fig. 1 to 5, on the basis of embodiments 1 and 2, the present invention provides a technical solution: preferably, the inside of mounting groove 9 is provided with movable groove 18, and the inside of movable groove 18 is provided with movable spheroid 19, and the middle part of movable spheroid 19 runs through and is provided with connecting rod 20, and the inside upper end of connecting rod 20 is provided with anticorrosive coating 22, and the lower extreme fixedly connected with insulating layer 21 of anticorrosive coating 22.
In this embodiment, the two ends of the connecting rod 20 are movably connected with the inner side wall of the movable groove 18, the movable ball 19 is movably connected with the movable groove 18 through the connecting rod 20, the movable ball 19 is arranged at the lower end of the protective panel 8, the mounting groove 9, the movable groove 18, the movable ball 19 and the connecting rod 20 are arranged, so as to conveniently seal the exterior of the first line frame main body 1, prevent some impurities from entering the interior of the first line frame main body 1 in the using process to cause damage to the internal electric wire, reduce the service life of the device, the front surface of the hanging plate 2 is provided with the hanging groove 6, the front surface of the hanging groove 6 is fixedly connected with the hanging stop dog 7, when in installation, only the clamping block nailed on the wall needs to be inserted into the hanging groove 6, and then the position of the first line frame main body 1 can be limited by the blocking of the hanging stop dog 7, the hanging plate 2, the hanging groove 6 and the hanging stop block 7 are arranged, so that the first line frame body 1 can be conveniently hung on a wall, and the installation is convenient.
The working principle of the bridge for building decoration wiring is described in detail below.
As shown in fig. 1-5, firstly, the hanging plate 2 and the hanging groove 6 arranged on the back of the first bobbin body 1 are utilized to make the first bobbin body 1 be hung, then the setting of the hanging block 7 is utilized to play the effect of limiting and blocking, the falling-off phenomenon is avoided, then the electric wire is placed in the installation groove 9, the movable baffle 14 is pushed when the electric wire is placed, then the limiting spring 13 is extruded, then the rebound force of the limiting spring 13 is utilized to push the movable baffle 14 to extrude the electric wire, then the rubber bump 17 is utilized to fix the position of the electric wire, then the protective panel 8 is pushed, the protective panel 8 drives the movable ball 19 to rotate, the movement of the protective panel 8 can be accelerated, the friction of the protective panel 8 is reduced, then the protective panel 8 moves leftwards, the sub adhesive sheet 11 and the main adhesive sheet 10 are adhered to each other, and the insulating layer 21 and the corrosion-resistant layer 22 are provided to insulate and protect the outside.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a crane span structure for building decoration wiring, includes first line frame main part (1), first line frame main part (1) back fixedly connected with connecting plate (3), its characterized in that: the back of the connecting plate (3) is connected with a telescopic plate (4) in a sliding mode, the back of the telescopic plate (4) is fixedly connected with a second bobbin main body (5), and the front of the first bobbin main body (1) is fixedly connected with a hanging plate (2);
mounting groove (9) have been seted up to the inside of first spool main part (1), the inside fixedly connected with drying layer (16) of mounting groove (9), the left end fixedly connected with antistatic backing (15) of drying layer (16), and the left end fixedly connected with rubber bump (17) of antistatic backing (15), the inside left end fixedly connected with spacing spring (13) of mounting groove (9), the right-hand member fixedly connected with movable baffle (14) of spacing spring (13).
2. A bridge frame for building finishing wiring according to claim 1, wherein: the movable baffle (14) is fixedly connected with the left end inside the mounting groove (9) through a limiting spring (13), the movable baffle (14) is arranged to be an insulating plate, the rubber bump (17) is fixedly connected with the left end of the drying layer (16) through an anti-static layer (15), and the length of the movable baffle (14) is the same as that of the mounting groove (9).
3. A bridge frame for building finishing wiring according to claim 2, wherein: the left end of the anti-static layer (15) is fan-shaped, and the arranged rubber bumps (17) are uniformly fixed along the fan shape.
4. A bridge frame for building finishing wiring according to claim 3, wherein: the upper end of first spool main part (1) is provided with protecting panel (8), protecting panel (8) set up the inside at mounting groove (9), board (11) are pasted to the left end fixedly connected with son of protecting panel (8), board (10) are pasted to the inside left end fixedly connected with mother of mounting groove (9), right-hand member fixedly connected with stopper (12) of mounting groove (9), mother pastes board (10) and the son of setting and pastes board (11) on same water flat line.
5. The bridge frame for building decoration wiring of claim 4, wherein: the movable ball is characterized in that a movable groove (18) is formed in the mounting groove (9), a movable ball body (19) is arranged in the movable groove (18), and a connecting rod (20) penetrates through the middle of the movable ball body (19).
6. A bridge frame for building decoration wiring according to claim 5, wherein: the inside upper end of connecting rod (20) is provided with anticorrosive coating (22), and the lower extreme fixedly connected with insulating layer (21) of anticorrosive coating (22).
7. The bridge frame for building decoration wiring of claim 6, wherein: the both ends of connecting rod (20) and the activity recess (18) inside wall swing joint who sets up, activity spheroid (19) are through connecting rod (20) and the activity recess (18) swing joint who sets up, activity spheroid (19) set up the lower extreme at protecting panel (8).
8. A bridge frame for building finishing wiring according to claim 7, wherein: the front of the hanging plate (2) is provided with a hanging groove (6), and the front of the hanging groove (6) is fixedly connected with a hanging stop block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162301.9A CN114498485A (en) | 2022-02-22 | 2022-02-22 | Bridge for building decoration wiring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210162301.9A CN114498485A (en) | 2022-02-22 | 2022-02-22 | Bridge for building decoration wiring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114498485A true CN114498485A (en) | 2022-05-13 |
Family
ID=81481708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210162301.9A Pending CN114498485A (en) | 2022-02-22 | 2022-02-22 | Bridge for building decoration wiring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114498485A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211958644U (en) * | 2020-05-30 | 2020-11-17 | 江苏奥凯电气有限公司 | Cable bridge convenient to maintenance opens and shuts |
| CN213403901U (en) * | 2020-11-26 | 2021-06-08 | 山西悠飞迪大数据服务有限公司 | Damp-proof big data processing equipment places installation cabinet |
| CN214379842U (en) * | 2021-01-20 | 2021-10-08 | 南京升平通信设备有限公司 | Stretching adjusting type cabling rack |
-
2022
- 2022-02-22 CN CN202210162301.9A patent/CN114498485A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211958644U (en) * | 2020-05-30 | 2020-11-17 | 江苏奥凯电气有限公司 | Cable bridge convenient to maintenance opens and shuts |
| CN213403901U (en) * | 2020-11-26 | 2021-06-08 | 山西悠飞迪大数据服务有限公司 | Damp-proof big data processing equipment places installation cabinet |
| CN214379842U (en) * | 2021-01-20 | 2021-10-08 | 南京升平通信设备有限公司 | Stretching adjusting type cabling rack |
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Application publication date: 20220513 |