CN218482928U - Network switch convenient to equipment - Google Patents

Network switch convenient to equipment Download PDF

Info

Publication number
CN218482928U
CN218482928U CN202222773674.8U CN202222773674U CN218482928U CN 218482928 U CN218482928 U CN 218482928U CN 202222773674 U CN202222773674 U CN 202222773674U CN 218482928 U CN218482928 U CN 218482928U
Authority
CN
China
Prior art keywords
box
network switch
close
department
equipment board
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
CN202222773674.8U
Other languages
Chinese (zh)
Inventor
张孟宝
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.)
Shenyang Huaneng Technology Co ltd
Original Assignee
Shenyang Huaneng Technology 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 Shenyang Huaneng Technology Co ltd filed Critical Shenyang Huaneng Technology Co ltd
Priority to CN202222773674.8U priority Critical patent/CN218482928U/en
Application granted granted Critical
Publication of CN218482928U publication Critical patent/CN218482928U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Patch Boards (AREA)

Abstract

The utility model discloses a network switch convenient to assemble, the power distribution box comprises a box body, the front side of box is rotated through the hinge and is installed the door body, the front side of door body is close to left side department and installs the handle, the rear side of box inside is seted up a plurality of first openings that set up vertically, and a plurality of all install radiator fan inside the first opening, a plurality of wiring mouths are installed to the rear side of box inside, the inside of box is equipped with a plurality of equipment boards that set up vertically; the utility model discloses mutually supporting between accessible equipment board, fixed establishment and the installation mechanism uses, can be convenient for be fixed in the top of equipment board with the network switch, easy operation, convenient and fast, and the setting through the second spring can cushion the network switch when the centre gripping, prevents that the centre gripping dynamics from too big causing the damage to the network switch main part, can adjust the quantity of equipment board as required simultaneously by the quantity of network switch, and the flexibility is high, convenient to use.

Description

Network switch convenient to equipment
Technical Field
The utility model relates to a network switch technical field especially relates to a network switch convenient to equipment.
Background
A network switch is a network hardware that receives and forwards data to a target device through message switching, and is a network expansion appliance that can provide more connection ports in a sub-network to connect more computers.
At present, when the existing network switch is used, the interface of a single network switch is limited generally, if a plurality of network switches are needed, the network switch main bodies are very troublesome to use, and the network switch main bodies are overlapped in sequence, so that the indoor large space is occupied, and the normal use of the indoor space is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies of the prior art, one of the objects of the present invention is to provide a network switch convenient for assembly.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
the utility model provides a network switch convenient to equipment, includes the box, the front side of box is rotated through the hinge and is installed a body, the front side of the body is close to left side department and installs the handle, the inside rear side of box is opened and is equipped with the first opening of a plurality of vertical settings, and is a plurality of radiator fan is all installed to first open-ended inside, a plurality of wiring mouths are installed to the inside rear side of box, the inside of box is equipped with the equipment board of a plurality of vertical settings, and is a plurality of all be equipped with installation mechanism on the equipment board, it is a plurality of the top of equipment board all is equipped with fixed establishment, the inside of box is close to below department and installs the diaphragm, the below of diaphragm is equipped with moving mechanism.
Further, installation mechanism includes the backup pad, the below of equipment board is close to left and right sides department and all is equipped with the backup pad, and two the outside of backup pad is all installed on the inner wall of box, the below of equipment board is close to left and right sides department and all installs the mounting bar, two the mounting groove with mounting bar looks adaptation is all seted up in the backup pad, and two the equal slidable mounting of mounting bar is inside adjacent mounting groove, the cavity has all been seted up to the inside left and right sides of equipment inboard, two the inside of cavity all is equipped with the inserted bar, the jack has all been seted up to the left and right sides of equipment board, the slot has all been seted up with the corresponding department of inserted bar to the inside left and right sides of box, and two the outer end of inserted bar all extends to the inside of slot through adjacent jack.
Furthermore, moving blocks are mounted at the inner ends of the two inserting rods, first springs are mounted on the inner sides of the two moving blocks, the inner ends of the two first springs are mounted on the inner wall of the cavity, shifting rods are mounted below the two moving blocks, second openings communicated with the cavity are formed in the positions, close to the left side and the right side, of the lower portion of the assembling plate, and the bottom ends of the two shifting rods extend to the lower portion of the assembling plate through the adjacent second openings.
Furthermore, first sliding blocks are installed above the two moving blocks, first sliding grooves matched with the first sliding blocks are formed in the upper portions of the two cavities, and the two first sliding blocks are installed inside the adjacent first sliding grooves in a sliding mode.
Further, fixed establishment includes the riser, the top of equipment board is close to left side department and installs the riser, the left side of riser is equipped with T shape pole, the perforation has been seted up on the riser, the right-hand member of T shape pole passes the perforation to extend to the right side of riser and install the fly leaf, just be connected with the second spring between fly leaf and the riser, just the outside at T shape pole is established to the second spring housing, the right side of fly leaf is equipped with the fixed plate, just the below of fixed plate is installed on the equipment board, the skid resistant course is all installed to the inboard of fixed plate and fly leaf.
Further, moving mechanism includes the threaded rod, the inside bottom of box is close to left and right sides department and all rotates and install the threaded rod, the below of diaphragm is equipped with the movable plate, be close to left and right sides department on the movable plate and all set up the screw hole with threaded rod looks adaptation, and two adjacent threaded rod is all passed on the top of threaded rod to run through the top that the diaphragm extends to the diaphragm, department installs the biax motor in the middle of the top of diaphragm, on two output of biax motor and two bevel gear is all installed on the top of threaded rod, and adjacent two intermeshing between the bevel gear, the below of movable plate is close to four corners department and all installs the supporting leg, the below of box is close to four corners department and all has seted up the third opening, four adjacent third opening is all passed to the bottom of supporting leg to extend to the below of box and install the supporting legs.
Furthermore, second sliders are installed on the left side and the right side of the moving plate, second sliding grooves matched with the second sliders are formed in the left side and the right side of the interior of the box body, and the second sliders are installed inside the adjacent second sliding grooves in a sliding mode.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses can be convenient for fix the network switch above the equipment board through the mutual cooperation use between equipment board, fixed establishment and the installation mechanism, easy operation, convenient and fast, and can cushion the network switch through the setting of second spring when the centre gripping, prevent that the too big network switch main part of clamping dynamics from causing the damage, can adjust the quantity of equipment board as required simultaneously according to the quantity of network switch, the flexibility is high, convenient to use;
2. the utility model discloses mutually supporting between these parts of accessible double-shaft motor, bevel gear, threaded rod, movable plate, supporting leg and supporting legs is used, and the transmission that the double-shaft motor passes through between the bevel gear drives the threaded rod and rotates to can make the movable plate can remove, the movable plate drives the supporting legs through a plurality of supporting legs and moves down, thereby can promote the holistic position of box when needs are dampproofing, prevents that the box is inside to be dampened, leads to influencing the use of network switch.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of the present embodiment;
FIG. 2 is a schematic view of the overall structure of the present embodiment;
FIG. 3 is an enlarged view of the embodiment at A in FIG. 2;
fig. 4 is an enlarged view of the embodiment at B in fig. 2.
In the figure: 1. a box body; 2. a door body; 3. a heat radiation fan; 4. assembling a plate; 5. a transverse plate; 6. a support plate; 7. mounting a bar; 8. a cavity; 9. inserting a rod; 10. a moving block; 11. a first spring; 12. a deflector rod; 13. a first slider; 14. a vertical plate; 15. a T-shaped rod; 16. a movable plate; 17. a second spring; 18. a fixing plate; 19. a threaded rod; 20. moving the plate; 21. a double-shaft motor; 22. a bevel gear; 23. supporting legs; 24. supporting legs; 25. and a second slider.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
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.
Referring to fig. 1 to 4, the present invention provides the following technical solutions:
example 1:
a network switch convenient to assemble comprises a box body 1, a door body 2 is rotatably installed on the front side of the box body 1 through a hinge, a handle is installed at the position, close to the left side, of the front side of the door body 2, a plurality of vertically arranged first openings are formed in the rear side of the interior of the box body 1, cooling fans 3 are installed inside the first openings, a plurality of wiring ports are installed at the rear side of the interior of the box body 1, a plurality of vertically arranged assembling plates 4 are arranged inside the box body 1, installing mechanisms are arranged on the assembling plates 4, fixing mechanisms are arranged above the assembling plates 4, a transverse plate 5 is installed at the position, close to the lower side, of the interior of the box body 1, and a moving mechanism is arranged below the transverse plate 5;
the mounting mechanism comprises supporting plates 6, the supporting plates 6 are respectively arranged below the assembling plate 4 close to the left side and the right side, the outer sides of the two supporting plates 6 are respectively mounted on the inner wall of the box body 1, mounting bars 7 are respectively mounted below the assembling plate 4 close to the left side and the right side, mounting grooves matched with the mounting bars 7 are respectively formed in the two supporting plates 6, the two mounting bars 7 are respectively slidably mounted in the adjacent mounting grooves, cavities 8 are respectively formed in the left side and the right side of the inside of the assembling plate 4, inserting rods 9 are respectively arranged in the two cavities 8, moving blocks 10 are respectively mounted at the inner ends of the two inserting rods 9, first sliding blocks 13 are respectively mounted above the two moving blocks 10, first sliding grooves matched with the first sliding blocks 13 are respectively formed above the inside of the two cavities 8, two first sliding blocks 13 are arranged inside adjacent first sliding grooves in a sliding mode, first springs 11 are arranged on the inner sides of two moving blocks 10, the inner ends of the two first springs 11 are arranged on the inner wall of the cavity 8, deflector rods 12 are arranged below the two moving blocks 10, second openings communicated with the cavity 8 are formed in the positions, close to the left side and the right side, of the lower portion of the assembling plate 4, the bottom ends of the two deflector rods 12 extend to the lower portion of the assembling plate 4 through the adjacent second openings, jacks are formed in the left side and the right side of the assembling plate 4, slots are formed in the positions, corresponding to the insertion rods 9, of the left side and the right side of the inner portion of the box body 1, and the outer ends of the two insertion rods 9 extend to the inner portions of the slots through the adjacent jacks;
the fixing mechanism comprises a vertical plate 14, the vertical plate 14 is arranged above the assembling plate 4 and close to the left side, a T-shaped rod 15 is arranged on the left side of the vertical plate 14, a through hole is formed in the vertical plate 14, the right end of the T-shaped rod 15 penetrates through the through hole and extends to the right side of the vertical plate 14 to be provided with a movable plate 16, a second spring 17 is connected between the movable plate 16 and the vertical plate 14, the second spring 17 is sleeved on the outer side of the T-shaped rod 15, a fixing plate 18 is arranged on the right side of the movable plate 16, the lower portion of the fixing plate 18 is arranged on the assembling plate 4, and anti-skidding layers are arranged on the inner sides of the fixing plate 18 and the movable plate 16;
when the assembling plate is used, firstly, the assembling plate 4 can be installed according to the number of required network switches, firstly, two shifting rods 12 can be shifted inwards, so that the two shifting rods 12 drive the moving blocks 10 to move inwards under the limit of the first sliding blocks 13, the two moving blocks 10 can compress the first springs 11, meanwhile, the two moving blocks 10 can drive the inserted rods 9 to move inwards, so that the installation of the assembling plate 4 is not hindered, then, the two installing strips 7 on the assembling plate 4 can slide in the installing grooves from front to back, the two supporting plates 6 can support the assembling plate 4, then, the two shifting rods 12 can be loosened, at the moment, the two moving blocks 10 lose the limit, and can move outwards under the resilience force of the first springs 11, and the two moving blocks 10 can drive the inserted rods 9 on the two moving blocks 10 to move outwards, thereby insert inside the slot on box 1, with this can fix the position of assembling plate 4, prevent that it from taking place the displacement under the exogenic action, then can to left side pulling T shape pole 15, make T shape pole 15 drive fly leaf 16 and move to the left side, fly leaf 16 can compress second spring 17 simultaneously, then arrange the network switch in the top of assembling plate 4, make it contact with the skid resistant course on the fixed plate 18, then loosen T shape pole 15, fly leaf 16 loses the restriction this moment, can move to the right side under the resilience force effect of second spring 17, make it drive and contact between skid resistant course and the network switch, with this can accomplish the fixed to the network switch, the setting of skid resistant course can increase frictional force, make fixed effect better.
Example 2:
the moving mechanism comprises a threaded rod 19, threaded rods 19 are rotatably mounted at positions, close to the left side and the right side, of the bottom inside the box body 1, a moving plate 20 is arranged below the transverse plate 5, second sliding blocks 25 are mounted at the left side and the right side of the moving plate 20, second sliding grooves matched with the second sliding blocks 25 are formed in the left side and the right side inside the box body 1, the two second sliding blocks 25 are slidably mounted inside the adjacent second sliding grooves, threaded holes matched with the threaded rods 19 are formed in the positions, close to the left side and the right side, of the moving plate 20, the top ends of the two threaded rods 19 penetrate through the adjacent threaded rods 19 and extend to the upper portion of the transverse plate 5 through the transverse plate 5, a double-shaft motor 21 is mounted in the middle of the upper portion of the transverse plate 5, bevel gears 22 are mounted on two output ends of the double-shaft motor 21 and the top ends of the two threaded rods 19 and are mutually meshed between the two adjacent bevel gears 22, supporting legs 23 are mounted below the two adjacent threaded rods 20 and are close to four corners, third supporting legs 23 are mounted below the box body 1 and extend to the lower portion of the box body 1 and are provided with 24;
when the in-process that uses needs dampproofing, can start double-shaft motor 21, double-shaft motor 21 passes through the transmission between bevel gear 22, drive two threaded rods 19 and rotate simultaneously, two threaded rods 19 through with the screw hole between the meshing, make movable plate 20 move down under two second slider 25's spacing, movable plate 20 accessible a plurality of supporting legs 23 drive supporting legs 24 and move down, upwards promote the holistic position of box 1, keep away from ground, with this damp-proof effect of realization, convenient to use.
The working principle is as follows: when the utility model is used, firstly, the assembling plate 4 can be installed according to the required number of the network switches, firstly, two shift levers 12 can be shifted inwards, so that the two shift levers 12 drive the moving blocks 10 to move inwards under the limit of the first sliding block 13, the two moving blocks 10 can compress the first spring 11, meanwhile, the two moving blocks 10 can drive the inserted bar 9 to move inwards, so that the installation of the assembling plate 4 is not hindered, then, the two installing bars 7 on the assembling plate 4 can slide in the installing groove from front to back, the two supporting plates 6 can support the assembling plate 4, then, the two shift levers 12 can be loosened, at the moment, the two moving blocks 10 lose the limit and can move outwards under the resilience force of the first spring 11, the two moving blocks 10 can drive the inserted bar 9 on the two moving blocks 10 to move outwards, thereby being inserted in the inserting groove on the box body 1, the position of the assembly plate 4 can be fixed by the above method, the assembly plate is prevented from displacement under the action of external force, then the T-shaped rod 15 can be pulled to the left side, the T-shaped rod 15 drives the movable plate 16 to move to the left side, meanwhile, the movable plate 16 can compress the second spring 17, then the network switch is arranged above the assembly plate 4, the network switch is contacted with the antiskid layer on the fixed plate 18, then the T-shaped rod 15 is loosened, at the moment, the movable plate 16 loses the limit and moves to the right side under the action of the resilience force of the second spring 17, so that the antiskid layer is driven to be contacted with the network switch, the network switch can be fixed, the friction force can be increased by the arrangement of the antiskid layer, the fixing effect is better, the heat dissipation fan 3 can be started to dissipate heat inside the box body 1 in the using process, the using environment is ensured, when the moisture prevention is needed in the using process, the double-shaft motor 21 can be started, the transmission between the bevel gear 22 is passed through to biax motor 21, drives two threaded rods 19 and rotates simultaneously, two threaded rods 19 through with the screw hole between the meshing for moving plate 20 moves down under two second slider 25's spacing, and a plurality of supporting legs 23 of moving plate 20 accessible drive supporting legs 24 and move down, upwards promote the holistic position of box 1, keep away from ground, realize damp-proofing effect with this, convenient to use.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (7)

1. A network switch convenient to equipment, includes box (1), its characterized in that: the utility model discloses a refrigerator door, including box (1), door body (2) is installed through the hinge rotation to the front side of box (1), the front side of door body (2) is close to left side department and installs the handle, the inside rear side of box (1) is opened and is equipped with the first opening of a plurality of vertical settings, and is a plurality of radiator fan (3) are all installed to first open-ended inside, a plurality of wiring mouths are installed to the inside rear side of box (1), the inside of box (1) is equipped with equipment board (4) of a plurality of vertical settings, and is a plurality of all be equipped with installation mechanism, a plurality of on equipment board (4) the top of equipment board (4) all is equipped with fixed establishment, the inside of box (1) is close to below department and installs diaphragm (5), the below of diaphragm (5) is equipped with moving mechanism.
2. A network switch that facilitates assembly as defined in claim 1, wherein: installation mechanism includes backup pad (6), the below of equipment board (4) is close to left and right sides department and all is equipped with backup pad (6), and two the outside of backup pad (6) is all installed on the inner wall of box (1), the below of equipment board (4) is close to left and right sides department and all installs mounting bar (7), two all set up the mounting groove with mounting bar (7) looks adaptation on backup pad (6), and two equal slidable mounting of mounting bar (7) is inside adjacent mounting groove, cavity (8), two have all been seted up to the inside left and right sides of equipment board (4) the inside of cavity (8) all is equipped with inserted bar (9), the jack has all been seted up to the left and right sides of equipment board (4), the slot has all been seted up with the corresponding department of inserted bar (9) in the left and right sides of box (1) inside, and two the inside that the jack of inserted bar (9) all extends to the slot through adjacent jack.
3. A network switch for facilitating assembly as claimed in claim 2, wherein: the inner ends of the two inserting rods (9) are provided with moving blocks (10), the inner sides of the two moving blocks (10) are provided with first springs (11), the inner ends of the two first springs (11) are arranged on the inner wall of the cavity (8), the shifting rods (12) are arranged below the two moving blocks (10), second openings communicated with the cavity (8) are formed in the positions, close to the left side and the right side, of the lower portion of the assembling plate (4), and the bottom ends of the shifting rods (12) extend to the lower portion of the assembling plate (4) through the adjacent second openings.
4. A network switch that facilitates assembly as defined in claim 3, wherein: first sliding blocks (13) are installed above the two moving blocks (10), first sliding grooves matched with the first sliding blocks (13) are formed in the upper portions of the inner portions of the two cavities (8), and the two first sliding blocks (13) are installed in the adjacent first sliding grooves in a sliding mode.
5. The network switch that facilitates assembly of claim 1, wherein: fixed establishment includes riser (14), the top of equipment board (4) is close to left side department and installs riser (14), the left side of riser (14) is equipped with T shape pole (15), the perforation has been seted up on riser (14), the perforation is passed to the right-hand member of T shape pole (15) to extend to the right side of riser (14) and install fly leaf (16), just be connected with second spring (17) between fly leaf (16) and riser (14), just second spring (17) cover is established in the outside of T shape pole (15), the right side of fly leaf (16) is equipped with fixed plate (18), just the below of fixed plate (18) is installed on equipment board (4), the skid resistant course is all installed to the inboard of fixed plate (18) and fly leaf (16).
6. The network switch that facilitates assembly of claim 1, wherein: moving mechanism includes threaded rod (19), box (1) inside bottom is close to left and right sides department and all rotates and installs threaded rod (19), the below of diaphragm (5) is equipped with movable plate (20), be close to left and right sides department on movable plate (20) and all set up the screw hole with threaded rod (19) looks adaptation, and two adjacent threaded rod (19) are all passed on the top of threaded rod (19) to run through diaphragm (5) and extend to the top of diaphragm (5), locate to install biaxial motor (21) in the middle of the top of diaphragm (5), on two output of biaxial motor (21) and two bevel gear (22) are all installed on the top of threaded rod (19), and adjacent two intermeshing between bevel gear (22), the below of movable plate (20) is close to four corners department and all installs supporting leg (23), the below of box (1) is close to four corners department and all has seted up the third opening, four the bottom of supporting leg (23) all passes adjacent third opening to extend to the below of box (1) installs supporting legs (24).
7. The network switch for facilitating assembly of claim 6, wherein: second sliders (25) are installed on the left side and the right side of the moving plate (20), second sliding grooves matched with the second sliders (25) are formed in the left side and the right side of the interior of the box body (1), and the second sliders (25) are installed inside the adjacent second sliding grooves in a sliding mode.
CN202222773674.8U 2022-10-21 2022-10-21 Network switch convenient to equipment Active CN218482928U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222773674.8U CN218482928U (en) 2022-10-21 2022-10-21 Network switch convenient to equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222773674.8U CN218482928U (en) 2022-10-21 2022-10-21 Network switch convenient to equipment

Publications (1)

Publication Number Publication Date
CN218482928U true CN218482928U (en) 2023-02-14

Family

ID=85168850

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222773674.8U Active CN218482928U (en) 2022-10-21 2022-10-21 Network switch convenient to equipment

Country Status (1)

Country Link
CN (1) CN218482928U (en)

Similar Documents

Publication Publication Date Title
EP3669251B1 (en) Configurable module guides for modular electronic system
CN218482928U (en) Network switch convenient to equipment
CN112739091B (en) Electrical cabinet convenient to install and maintain
CN218386279U (en) High-low voltage switch cabinet
CN212876404U (en) Server cabinet with refrigeration unit
CN219760361U (en) Block terminal with multilayer structure
CN113517638A (en) Power distribution cabinet with electrical installation seat
CN218735665U (en) Temperature controller
CN111817151A (en) Combined power distribution cabinet
CN215934240U (en) Outdoor electric cabinet
CN218587490U (en) Computer lab switch board convenient to installation
CN209993955U (en) Electromechanical control cabinet
CN219124587U (en) Extensible server cabinet
CN219555378U (en) Power distribution unit
CN216820414U (en) Computer network equipment cabinet
CN220754105U (en) Switch board of convenient assembly
CN216289690U (en) Improved structure of electric box for automation of electrical engineering
CN220797539U (en) Block terminal with supplementary mounting structure
CN220652710U (en) Assembled switch board
CN116567183B (en) Intelligent security monitoring method, autonomous monitoring equipment and security monitoring system
CN220253807U (en) Dustproof electric power cabinet
CN219938810U (en) Cooling heat abstractor
CN219041196U (en) Power distribution cabinet with good ventilation effect
CN211959773U (en) Communication equipment box
CN211829701U (en) High-low voltage switch cabinet convenient to installation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant