CN208480194U - A kind of network cabinet - Google Patents

A kind of network cabinet Download PDF

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Publication number
CN208480194U
CN208480194U CN201821152778.4U CN201821152778U CN208480194U CN 208480194 U CN208480194 U CN 208480194U CN 201821152778 U CN201821152778 U CN 201821152778U CN 208480194 U CN208480194 U CN 208480194U
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CN
China
Prior art keywords
box
fixedly connected
fixed
cabinet
fixedly mounted
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.)
Expired - Fee Related
Application number
CN201821152778.4U
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Chinese (zh)
Inventor
黄明威
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.)
Guangzhou Yechen Information Technology Co Ltd
Original Assignee
Guangzhou Yechen Information 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 Guangzhou Yechen Information Technology Co Ltd filed Critical Guangzhou Yechen Information Technology Co Ltd
Priority to CN201821152778.4U priority Critical patent/CN208480194U/en
Application granted granted Critical
Publication of CN208480194U publication Critical patent/CN208480194U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of network cabinets, including cabinet box, air exhaust box and buffering Steady base, cooling fan is fixedly mounted in cabinet box inner top, cooling fan connects control panel by conducting wire, control panel is fixedly mounted on cabinet box end face seal door, hermatic door is connected by hinge cabinet box, hermatic door is tightly connected by high temperature resistant silica gel sealing ring and cabinet box, placement plate is fixedly mounted in cabinet box, intercommunicating pore is uniformly provided in placement plate, cabinet box is connected to air exhaust box by ventilative web plate, relieve heat chamber and air draught chamber are divided by baffle in air exhaust box, air exhaust box lower end is fixedly connected with buffering Steady base, it buffers Steady base lower end surface and cardan wheel with brake is fixedly mounted.The utility model result of ventilating heat dissipation is good, and stability is strong, and is moved easily, and the dust of the accumulation online to dustproof filter effectively clean and avoids blocking, and influences radiating efficiency.

Description

A kind of network cabinet
Technical field
The utility model relates to network cabinet technical field, specifically a kind of network cabinet.
Background technique
Network cabinet makes for combining installation panel, plug-in unit, subrack, electronic component, device and machine components and component Its installs case for constituting an entirety, network cabinet are made of frame and cover board (door), generally have the shape of a rectangular parallelepiped, and land It places.It provides adaptable environment and security protection for electronic equipment normal work.
The equipment such as various network switch are placed in network cabinet, the equipment such as network switch in work operational process, Amount of heat is generated, the operational efficiency of the equipment such as the network switch can be had an impact when network machine in-cabinet temperature is excessively high, and Existing network cabinet structure is simple, when using air-conditioning to cooling down in network cabinet, to uneven, heat dissipation of radiating in network cabinet Effect is poor, and stability is poor is inconvenient to move, and when carrying out fan heat using blower, is easy dust-proof at heat dissipation port The impurity such as the attached dust of online heap, result in blockage to Air Filter, largely effect on heat dissipation effect, it is therefore desirable to a kind of novel user Just network cabinet.
Summary of the invention
1, it to solve the problems, such as
It is simple for existing network cabinet structure, heat dissipation effect is poor, and stability is poor is inconvenient to move, dust-proof network capacity The problem of easily causing blocking, the purpose of this utility model is to provide a kind of network cabinets, to solve to mention in above-mentioned background technique Out the problem of.
2, technical solution
To achieve the above object, the utility model provides the following technical solutions:
A kind of network cabinet, including cabinet box, air exhaust box and buffering Steady base, the cabinet box inner top are fixedly mounted Cooling fan, the cooling fan connect control panel by conducting wire, and it is close that the control panel is fixedly mounted on cabinet box end face In closure door, the hermatic door is connected by hinge cabinet box, and hermatic door is connected by high temperature resistant silica gel sealing ring and cabinet box sealing It connects, placement plate is fixedly mounted in the cabinet box, is uniformly provided with intercommunicating pore in the placement plate, the cabinet box passes through gas-permeable nets Plate is connected to air exhaust box, and the air exhaust box is interior to be divided into relieve heat chamber and air draught chamber by baffle, and the air exhaust box lower end is fixedly connected slow Steady base is rushed, cardan wheel with brake is fixedly mounted in the buffering Steady base lower end surface.
As a further solution of the present invention: conducting wire fixing groove and temperature sensing is fixedly mounted in the cabinet chamber interior wall Device, the conducting wire fixing groove sidewall symmetry are uniformly provided with fixed inserting hole, and the conducting wire fixing groove runs through placement plate, the fixation Connection flexible fastening stick is plugged together in inserting hole, the temperature sensor is electrically connected control panel by conducting wire.
The cabinet box outer wall is hollow structure, the cabinet chamber interior wall as a further solution of the present invention, It is uniformly provided with ventilation hole, the ventilation hole is connected to hollow cabinet box outer wall.
Exhaust fan is fixedly mounted in the air draught chamber as a further solution of the present invention, exhaust fan is by leading Line is electrically connected control panel, and the output end of the exhaust fan connects the dispelling wind mouth on baffle by air hose, and the dispelling wind mouth connects Logical relieve heat chamber and air draught chamber.
The relieve heat chamber side wall is equipped with air draft port, the air draft port as a further solution of the present invention, Interior fixed installation anti-dust filter mesh, the dustproof filter is bonded on the net places bristle, and the bristle is fixedly mounted on L-type fixed plate Vertical end face on, the L-type fixed plate is fixedly connected with the pendulous device that moves in circles, and electricity is fixedly mounted in the intracavitary top of relieve heat Machine, the motor are electrically connected control panel by conducting wire, and the output end of the motor is fixedly connected with shaft, and the shaft is fixed Connect the pendulous device that moves in circles.
The pendulous device that moves in circles includes cross bar, guide rod and consolidates as a further solution of the present invention, Determine connecting rod, the cross bar both ends are fixedly connected with rubber fixed block, and the rubber fixed block is fixedly connected with relieve heat cavity wall, described The outer noose sliding sleeve one of cross bar, and be slidably connected, one lower end of sliding sleeve is fixedly connected with guide rod, and the guide rod lower end surface is fixed L-type fixed plate, the outer noose sliding sleeve two of the guide rod are connected, and is slidably connected, the sliding sleeve two is rotatablely connected spill spin block, described The hinged fixed connecting rod of spill spin block, the fixed connecting rod runs through fixed block one, and is slidably connected, the fixed connecting rod housing Extension spring is tied, the extension spring both ends of the surface are fixedly connected with spill spin block and fixed block one, and the fixed block one, which is fixedly connected, to be turned Axis.
The buffering Steady base includes upper plate, groove fixed frame, cunning as a further solution of the present invention, Plate and support hinge bar, the upper plate are fixedly connected with air exhaust box, and the upper plate is slidably connected groove fixed frame, the upper bottom Plate lower end surface is fixedly connected with sliding bar, and the sliding bar is slidably connected slide plate, and runs through slide plate, the outer noose damping of the sliding bar Spring, the damping spring both ends of the surface are fixedly connected with slide plate and upper plate, and the sliding bar lower end surface is fixedly connected with sliding panel, institute It states sliding panel to be slidably connected fixed cylinder inner wall, the fixed cylinder is fixedly connected with groove fixed frame bottom, on the support hinge bar Hinged slide plate is held, the support hinge bar lower end is fixedly connected with idler wheel, is fixedly connected with extension spring between the support hinge bar Two.
3, beneficial effect
Compared with prior art, the utility model has the beneficial effects that
(1) the utility model is structurally reasonable easy to use, the placement equipment such as the network switch being placed in cabinet box On plate, it is excessively high that temperature sensor monitors cabinet the temperature inside the box, and control panel, which controls cooling fan, to be opened and dissipate in cabinet box Heat, exhaust fan exclude hot wind, and the bristle in motor driven L-type fixed plate cleans the anti-dust filter mesh in air draft port Dust, conducting wire fixing groove carry out conducting wire wiring, avoid route mixed and disorderly, and buffering Steady base improves the practical band brake ten thousand of the utility model To stability of wheel when mobile and fixed, the service life of the utility model is improved.
(2) the conducting wire fixing groove of the utility model is routed, and conducting wire is placed in conducting wire fixing groove, is fixed along conducting wire Slot is routed, and is plugged together using flexible fastening stick and conducting wire is fixed in fixed inserting hole, conducting wire is avoided to arrange in a jumble, temperature It spends sensor and detects cabinet the temperature inside the box, carry out blowing heat dissipation in time.
(3) ventilation hole of the utility model is connected to hollow cabinet box outer wall, and ventilation hole is by cabinet box top heat dissipation blower The wind being fanned out to carries out conveying radiation air downwards from ventilation hole and intercommunicating pore.
(4) pendulous device that moves in circles of the utility model is driven by motor, and motor driven fixed block one rotates, and drives solid Determine connecting rod to slide in fixed block one, fixed connecting rod driving sliding sleeve two is slided on the guide bar, and extension spring is answered Position effect driving guide rod slidably reciprocates on cross bar, so that the bristle in L-type fixed plate be driven to recycle on the net in dustproof filter It swings, the dust that dustproof filter accumulates on the net is cleaned.
(5) the buffering Steady base of the utility model is subtracted by damping spring, slide plate, fixed cylinder and sliding bar cooperation Shake buffering, support hinge bar, extension spring two and idler wheel installation cooperation carry out further damping, buffering, it is practical new to greatly improve this The stability and service life of type.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of network cabinet.
Fig. 2 is the structural schematic diagram that Steady base is buffered in a kind of network cabinet.
Fig. 3 is a kind of structural schematic diagram of partial enlargement at A in network cabinet.
Fig. 4 is the schematic perspective view of pendulous device of moving in circles in a kind of network cabinet.
Fig. 5 is a kind of schematic perspective view of conducting wire fixing groove in network cabinet.
Fig. 6 is a kind of schematic perspective view of cabinet box in network cabinet.
In figure: 1- cabinet box;2- air exhaust box;3- air draft port;4- buffers Steady base;5- relieve heat chamber;6- band is stopped universal Wheel;7- air draught chamber;8- conducting wire fixing groove;9- fixes inserting hole;10- cooling fan;11- placement plate;12- intercommunicating pore;13- is ventilative Web plate;14- exhaust fan;15- rubber fixed block;16- motor;17- dispelling wind mouth;18- baffle;19- fixed block one;20- guide rod; 21-L type fixed plate;22- bristle;23- anti-dust filter mesh;24- spill spin block;25- sliding sleeve one;26- cross bar;27- fixed connecting rod; 28- extension spring;29- sliding sleeve two;30- upper plate;31- groove fixed frame;32- idler wheel;33- supports hinge bar;34- stretches bullet Spring two;35- fixed cylinder;36- sliding bar;37- slide plate;38- damping spring;39- moves in circles pendulous device;40- ventilation hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~6, in the utility model embodiment, a kind of network cabinet, including cabinet box 1, air exhaust box 2 are gentle Steady base 4 is rushed, cooling fan 10 is fixedly mounted in 1 inner top of cabinet box, and cooling fan 10 connects control plane by conducting wire Plate, cooling fan 10 be equipped with it is multiple, control panel is fixedly mounted on 1 end face seal door of cabinet box, hermatic door by hinge company Cabinet box 1 is connect, hermatic door is tightly connected by high temperature resistant silica gel sealing ring and cabinet box 1, and high-temperature silica gel sealing ring is used to make Hermatic door and cabinet box 1 seal well, and placement plate 11 is fixedly mounted in cabinet box 1, is uniformly provided with intercommunicating pore in placement plate 11 12, placement plate 11 is equipped with multilayer from top to bottom, according to the placement number of plies for needing to reasonably select placement plate 11 that design uses, cabinet Case 1 is connected to air exhaust box 2 by ventilative web plate 13, is divided in air exhaust box 2 by baffle 18 for relieve heat chamber 5 and air draught chamber 7, air exhaust box 2 Lower end is fixedly connected with buffering Steady base 4, and cardan wheel with brake 6 is fixedly mounted in buffering 4 lower end surface of Steady base.
Conducting wire fixing groove 8 is fixedly mounted in 1 inner wall of cabinet box and temperature sensor, 8 sidewall symmetry of conducting wire fixing groove are uniformly set There is a fixed inserting hole 9, and be equipped with multiple, conducting wire fixing groove 8 runs through placement plate 11, and it is solid that connection elasticity is plugged together in fixed inserting hole 9 Determine stick, conducting wire is placed in conducting wire fixing groove 8 by when wiring, is routed along conducting wire fixing groove 8, is plugged together using flexible fastening stick Conducting wire is fixed in fixed inserting hole 9, conducting wire is avoided to arrange in a jumble, temperature sensor is electrically connected by conducting wire and is controlled Panel.
1 outer wall of cabinet box is hollow structure, and 1 inner wall of cabinet box is uniformly provided with ventilation hole 40, and ventilation hole 40 is connected to hollow 1 outer wall of cabinet box, ventilation hole 40 carry out the wind that 1 top heat dissipation blower 10 of cabinet box is fanned out to from ventilation hole 40 and intercommunicating pore 12 Conveying radiation air downwards.
It is fixedly mounted exhaust fan 14 in air draught chamber 7, exhaust fan 14 is equipped with multiple, and is electrically connected control plane by conducting wire The output end of plate, exhaust fan 14 connects the dispelling wind mouth 17 on baffle 18 by air hose, and dispelling wind mouth 17 is connected to relieve heat chamber 5 and air draught chamber 7,5 side wall of relieve heat chamber is equipped with air draft port 3, and anti-dust filter mesh 23 is fixedly mounted in air draft port 3, is bonded on anti-dust filter mesh 23 Bristle 22 is placed, bristle 22 is fixedly mounted in the vertical end face of L-type fixed plate 21, and it is past that L-type fixed plate 21 is fixedly connected with circulation Motor 16 is fixedly mounted in multiple pendulous device 39,5 inner top of relieve heat chamber, and motor 16 is electrically connected control panel, motor by conducting wire 16 output end is fixedly connected with shaft, and shaft is fixedly connected with the pendulous device 39 that moves in circles.
The pendulous device 39 that moves in circles includes cross bar 26, guide rod 20 and fixed connecting rod 27, and 26 both ends of cross bar are fixed to be connected Rubber fixed block 15 is connect, rubber fixed block 15 is fixedly connected with 5 inner wall of relieve heat chamber, the outer noose sliding sleeve 1 of cross bar 26, and the company of sliding It connects, one 25 lower end of sliding sleeve is fixedly connected with guide rod 20, and 20 lower end surface of guide rod is fixedly connected with L-type fixed plate 21, outside guide rod 20 Noose sliding sleeve 2 29, and be slidably connected, the rotation connection spill spin block 24 of sliding sleeve 2 29, the hinged fixed connecting rod 27 of spill spin block 24, Gu Connecting rod 27 is determined through fixed block 1, and is slidably connected, the outer noose extension spring 28 of fixed connecting rod 27,28 liang of extension spring End face is fixedly connected with spill spin block 24 and fixed block 1, and fixed block 1 is fixedly connected with shaft, and motor 16 drives fixed block 1 Rotation drives fixed connecting rod 27 to slide in fixed block 1, and fixed connecting rod 27 drives sliding sleeve 2 29 on guide rod 20 It is slided, the reset response driving guide rod 20 of extension spring 28 slidably reciprocates on cross bar 26, to drive L-type fixed plate Bristle 22 on 21 recycles swing on anti-dust filter mesh 23, cleans to the dust accumulated on anti-dust filter mesh 23.
Buffering Steady base 4 includes upper plate 30, groove fixed frame 31, slide plate 37 and support hinge bar 33, upper plate 30 It is fixedly connected with air exhaust box 2, upper plate 30 is slidably connected groove fixed frame 31, and 30 lower end surface of upper plate is fixedly connected with sliding bar 36, Sliding bar 36 is slidably connected slide plate 37, and runs through slide plate 37, the outer noose damping spring 38 of sliding bar 36,38 both ends of the surface of damping spring It is fixedly connected with slide plate 37 and upper plate 30,36 lower end surface of sliding bar is fixedly connected with sliding panel, and sliding panel is slidably connected fixed cylinder 35 Inner wall, fixed cylinder 35 are fixedly connected with 31 bottom of groove fixed frame, support the hinged slide plate 37 in 33 upper end of hinge bar, support hinge bar 33 Lower end is fixedly connected with idler wheel 32, supports and is fixedly connected with extension spring 2 34 between hinge bar 33.
The working principle of the utility model is: the equipment such as the network switch are placed in the placement plate 11 in cabinet box 1, It is excessively high that temperature sensor monitors temperature in cabinet box 1, and control panel, which controls cooling fan 10, to be opened and dissipate in cabinet box 1 Heat, exhaust fan 14 exclude hot wind, and motor 16 drives the bristle 22 in L-type fixed plate 21 to the dustproof filter in air draft port 3 Net 23 carries out cleaning dust, and conducting wire fixing groove 8 carries out conducting wire wiring, avoids route mixed and disorderly, and it is practical that buffering Steady base 4 improves this Stability when novel practical cardan wheel with brake 6 is mobile and fixed, improves the service life of the utility model.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of network cabinet, including cabinet box (1), air exhaust box (2) and buffering Steady base (4), which is characterized in that the machine Cooling fan (10) are fixedly mounted in cabinet case (1) inner top, and the cooling fan (10) connects control panel, the control by conducting wire Panel processed is fixedly mounted on cabinet box (1) end face seal door, and the hermatic door is connected by hinge cabinet box (1), hermatic door It is tightly connected by high temperature resistant silica gel sealing ring and cabinet box (1), placement plate (11) is fixedly mounted in the cabinet box (1), institute It states and is uniformly provided on placement plate (11) intercommunicating pore (12), the cabinet box (1) is connected to air exhaust box (2) by ventilative web plate (13), It is divided into relieve heat chamber (5) and air draught chamber (7) by baffle (18) in the air exhaust box (2), air exhaust box (2) lower end is fixedly connected It buffers Steady base (4), cardan wheel with brake (6) are fixedly mounted in the buffering Steady base (4) lower end surface.
2. a kind of network cabinet according to claim 1, which is characterized in that cabinet box (1) the inner wall fixed installation is led Line fixing groove (8) and temperature sensor, conducting wire fixing groove (8) sidewall symmetry is uniformly provided with fixed inserting hole (9), described to lead Line fixing groove (8) runs through placement plate (11), and connection flexible fastening stick, the temperature sensing are plugged together in the fixed inserting hole (9) Device is electrically connected control panel by conducting wire.
3. a kind of network cabinet according to claim 1, which is characterized in that cabinet box (1) outer wall is hollow structure, Cabinet box (1) inner wall is uniformly provided with ventilation hole (40), and the ventilation hole (40) is connected to hollow cabinet box (1) outer wall.
4. a kind of network cabinet according to claim 1, which is characterized in that exhausting is fixedly mounted in the air draught chamber (7) Machine (14), exhaust fan (14) are electrically connected control panel by conducting wire, and the output end of the exhaust fan (14) is connected by air hose Dispelling wind mouth (17) on baffle (18), dispelling wind mouth (17) connection relieve heat chamber (5) and air draught chamber (7).
5. a kind of network cabinet according to claim 1, which is characterized in that relieve heat chamber (5) side wall is equipped with air outlet Mouth (3), the air draft port (3) is interior to be fixedly mounted anti-dust filter mesh (23), and fitting, which is placed, on the anti-dust filter mesh (23) brushes Hair (22), the bristle (22) are fixedly mounted in the vertical end face of L-type fixed plate (21), and the L-type fixed plate (21) is fixed Connection moves in circles pendulous device (39), and motor (16) are fixedly mounted in relieve heat chamber (5) inner top, and the motor (16) passes through Conducting wire is electrically connected control panel, and the output end of the motor (16) is fixedly connected with shaft, and it is past that the shaft is fixedly connected with circulation Multiple pendulous device (39).
6. a kind of network cabinet according to claim 5, which is characterized in that the pendulous device that moves in circles (39) includes Cross bar (26), guide rod (20) and fixed connecting rod (27), cross bar (26) both ends are fixedly connected with rubber fixed block (15), institute It states rubber fixed block (15) and is fixedly connected with relieve heat chamber (5) inner wall, the outer noose sliding sleeve one (25) of cross bar (26), and the company of sliding It connects, sliding sleeve one (25) lower end is fixedly connected guide rod (20), and guide rod (20) lower end surface is fixedly connected with L-type fixed plate (21), the outer noose sliding sleeve two (29) of guide rod (20), and be slidably connected, the sliding sleeve two (29) is rotatablely connected spill spin block (24), the hinged fixed connecting rod (27) of the spill spin block (24), the fixed connecting rod (27) run through fixed block one (19), and sliding Dynamic connection, the outer noose extension spring (28) of fixed connecting rod (27), extension spring (28) both ends of the surface are fixedly connected with rotation Switch block (24) and fixed block one (19), the fixed block one (19) are fixedly connected with shaft.
7. a kind of network cabinet according to claim 1, which is characterized in that the buffering Steady base (4) includes upper bottom Plate (30), groove fixed frame (31), slide plate (37) and support hinge bar (33), the upper plate (30) are fixedly connected with air exhaust box (2), the upper plate (30) is slidably connected groove fixed frame (31), and upper plate (30) lower end surface is fixedly connected with sliding bar (36), the sliding bar (36) is slidably connected slide plate (37), and runs through slide plate (37), the outer noose damping bullet of sliding bar (36) Spring (38), damping spring (38) both ends of the surface are fixedly connected with slide plate (37) and upper plate (30), sliding bar (36) lower end Face is fixedly connected with sliding panel, and the sliding panel is slidably connected fixed cylinder (35) inner wall, and the fixed cylinder (35) is fixedly connected with groove Fixed frame (31) bottom, the hinged slide plate in support hinge bar (33) upper end (37), support hinge bar (33) lower end are fixed It connects idler wheel (32), is fixedly connected with extension spring two (34) between the support hinge bar (33).
CN201821152778.4U 2018-07-19 2018-07-19 A kind of network cabinet Expired - Fee Related CN208480194U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821152778.4U CN208480194U (en) 2018-07-19 2018-07-19 A kind of network cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821152778.4U CN208480194U (en) 2018-07-19 2018-07-19 A kind of network cabinet

Publications (1)

Publication Number Publication Date
CN208480194U true CN208480194U (en) 2019-02-05

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ID=65211560

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821152778.4U Expired - Fee Related CN208480194U (en) 2018-07-19 2018-07-19 A kind of network cabinet

Country Status (1)

Country Link
CN (1) CN208480194U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113284432A (en) * 2021-05-26 2021-08-20 江苏兰太城市科技有限公司 Intelligent electronic stop board with self-cooling and dust-removing functions

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113284432A (en) * 2021-05-26 2021-08-20 江苏兰太城市科技有限公司 Intelligent electronic stop board with self-cooling and dust-removing functions

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190205

Termination date: 20190719

CF01 Termination of patent right due to non-payment of annual fee