CN107995132B - Network switch capable of preventing network cable from loosening - Google Patents
Network switch capable of preventing network cable from loosening Download PDFInfo
- Publication number
- CN107995132B CN107995132B CN201810059734.5A CN201810059734A CN107995132B CN 107995132 B CN107995132 B CN 107995132B CN 201810059734 A CN201810059734 A CN 201810059734A CN 107995132 B CN107995132 B CN 107995132B
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- dustproof positioning
- dustproof
- door
- positioning door
- network cable
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/11—Protection against environment
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Signal Processing (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
Abstract
The invention belongs to the technical field of digital information transmission devices, and particularly discloses a network switch capable of preventing a network cable from loosening, which comprises a switch, wherein a mounting groove is formed in the side wall of the switch, and a network cable socket, a dustproof positioning part and a dust removing part are arranged in the mounting groove; the dustproof positioning part comprises a blind hole formed in the side wall of the mounting groove, a first dustproof positioning door is connected in the blind hole in a sliding mode, a through hole is formed in the first dustproof positioning door, and the short side of the cross section of the first dustproof positioning door is the end extending out of the blind hole; the dust removal portion includes the piston rod with first dustproof positioning door fixed connection, and the piston rod other end is fixed with the piston board, and the blind hole internal fixation has the cylinder, and piston board and cylinder sliding seal are fixed with the spring between piston board and the cylinder, are connected with the dust removal pipe on the cylinder lateral wall, and the dust removal pipe other end is towards in the net twine socket. The invention aims to solve the problem that a screen port cannot clamp a crystal head and a network cable socket after a clamp on the crystal head is deformed in the prior art, and the problem that the crystal head and the network cable socket are accumulated with dust and are difficult to clean is solved.
Description
Technical Field
The invention belongs to the technical field of digital information transmission devices, and particularly discloses a network switch capable of preventing a network cable from loosening.
Background
The switch is a network device for forwarding electric signals or signals, and with the continuous development of information technology, the switch has become common in homes of enterprises, institutions and people, after a network cable is inserted into a socket, the switch forms an exclusive path between the switch and a target node, data is transmitted to the target node through the exclusive path, and a third party cannot obtain the data from the exclusive path, so that the security in the data transmission process of the network is improved.
All be equipped with the socket that supplies the net twine male on the switch usually, thereby current net twine socket realizes the location of net twine through socket and quartzy first chucking usually, but because the checkpost on the quartzy head is soft usually, consequently take place to warp easily, after the checkpost warp, quartzy head just is difficult to fix a position with net gape chucking, thereby make the net twine easily not hard up, cause the problem that the network can't be connected, and current net twine socket exposes in external environment for a long time, thereby lead to the dust to pile up in the net twine socket, because net twine socket inner structure unevenness, consequently also there is the problem that is difficult to the clearance.
Disclosure of Invention
The invention discloses a network switch capable of preventing a network cable from loosening, and aims to solve the problems that a network port cannot clamp a crystal head and a network cable socket are accumulated dust and difficult to clean after a clamp on the crystal head deforms in the prior art.
The basic scheme of the invention is as follows: a network switch capable of preventing a network cable from loosening comprises a switch, wherein a mounting groove is formed in the side wall of the switch, and a network cable socket, a dustproof positioning part and a dust removing part are arranged in the mounting groove;
the dustproof positioning part comprises a blind hole formed in the side wall of the mounting groove, a first dustproof positioning door is connected in the blind hole in a sliding mode, a hole for a network cable to pass through is formed in the first dustproof positioning door, and a wedge surface for inserting and pulling a network cable plug into and out of the mounting groove and pushing the first dustproof positioning door away is formed in the first dustproof positioning door;
the dust removal portion is including locating the cylinder in the blind hole, sliding seal has the piston board in the cylinder, be fixed with the spring between piston board and the cylinder, the piston board is kept away from cylinder body one end and is fixed with the piston rod, the piston rod other end and first dustproof positioning door fixed connection, be connected with the dust removal pipe on the cylinder lateral wall, the dust removal pipe other end is towards in the net twine socket.
The technical principle and the beneficial effects of the invention are as follows:
1. because the device is provided with the first dustproof positioning door, when a net wire is required to be inserted into the net wire socket, only the net wire plug is required to be controlled to move towards the net wire socket, because the cross section of the first dustproof positioning door is trapezoidal, one surface of the first dustproof positioning door facing the outside of the installation groove and one surface of the first dustproof positioning door facing the inside of the installation groove are both wedge surfaces, the first dustproof positioning door is pushed into the through hole under the action of the wedge surfaces in the moving process of the net wire plug, the first dustproof positioning door is pushed open, the net wire plug and the net wire can enter the installation groove and then are inserted into the net wire socket, when the net wire plug is inserted into the net wire socket, the net wire plug does not push the first dustproof positioning door open any more, the first dustproof positioning door resets under the action of the spring, the opening of the installation groove is sealed, and the net wire plug is blocked in the installation groove by the first dustproof positioning door, play the effect to the net twine plug location, simultaneously because first dustproof positioning door seals the mounting groove opening, consequently blocks in external dust gets into the mounting groove, and then makes the net twine socket in the mounting groove keep clean to avoid the interior dust of net twine socket to pile up too much, cause contact failure between net twine plug and the net twine socket, thereby influence the problem of network normal operating.
2. Because the device is provided with the dust removal part, when the net wire plug pushes the first dustproof positioning door open, the first dustproof positioning door drives the piston rod to drive the piston plate to discharge gas in the cylinder barrel, meanwhile, because one end of the dust removal pipe is communicated with the cylinder barrel, and the other end of the dust removal pipe faces the net wire socket, the gas discharged from the cylinder barrel is discharged into the net wire socket along the dust removal pipe, so that dust attached to the net wire socket is blown under the action of airflow and then falls off from the inner wall of the net wire socket, meanwhile, the airflow is blocked from contacting with the inner wall of the net wire socket, and turbulence is generated inside the net wire socket, thus airflow inside the net wire socket is more violent, the dust which is firmly attached is also blown down by the airflow and then blown to the outside of the net wire socket, when the net wire plug passes through the first dustproof positioning door, the first dustproof positioning door is not abutted against the net wire plug, consequently the piston plate resets under the effect of spring, and then makes first dustproof positioning door seal the mounting groove, and the piston plate resets simultaneously and makes the intraductal production of dust removal to the air current of cylinder internal suction with gas, and then makes and is blown off the dust outside the net twine interface in the dust removal pipe is inhaled under the air current effect, and then realizes the dust removal effect to the net twine interface, guarantees the interior cleanness of net twine interface, and then avoids contact failure.
3. Because the dust removal portion passes through the drive of first dustproof positioning door among this device, consequently through the thickness that changes first dustproof positioning door and the degree of inclination of first dustproof positioning door both sides face just can adjust the time of breathing in and blowing of dust removal portion, consequently can adapt to different service environment through the first dustproof positioning door of chooseing for use different thickness and inclination.
4. Because the first dustproof positioning door of the device is provided with the hole for the network cable to pass through, after the network cable plug enters the mounting groove, the network cable is limited in the hole, so that the connection part of the network cable and the network cable plug is limited, the connection part of the network cable plug and the network cable is prevented from being bent too much, the fatigue fracture of the network cable is avoided, and the service life of the network cable is prolonged.
Furthermore, the dustproof positioning part and the dust removing part are symmetrically arranged on two side walls of the mounting groove relative to the axis of the mounting groove. All set up dustproof location portion and dust removal portion in mounting hole both sides for the net twine plug when pushing away first dustproof positioning door, both sides atress is even, and is more simple and convenient when consequently pushing away, and both sides all are provided with dust removal portion simultaneously and make blow and breathe in and go on simultaneously in net twine socket both sides, and then make to remove dust more thoroughly.
Furthermore, a cleaning door for cleaning dust in the cylinder barrel is arranged on the side wall of the cylinder barrel. Through the dust of clearance door clearance quilt suction cylinder in, avoid the dust to pile up too much in the cylinder.
Furthermore, a sliding groove is formed in one end, opposite to the two first dustproof positioning doors, of the sliding groove in the length direction, a second dustproof positioning door is connected in the sliding groove in a sliding mode, a magnetic adsorption mechanism is arranged at one end, extending out of the sliding groove, of the second dustproof positioning door, and the second dustproof positioning door is as high as the first dustproof positioning door. Through setting up the dustproof positioning door of second, make when the net twine plug pushes away first dustproof positioning door, the dustproof positioning door of second is equipped with magnetic adsorption mechanism because it stretches out spout one end, therefore the dustproof positioning door of second of both sides adsorbs each other, and then make first dustproof positioning door push away and drive dust removal portion when blowing off the dust in the net twine plug net twine socket, the net twine plug blocks outside the mounting groove by the dustproof positioning door of second, and then the dust can not contact with the net twine plug, when the net twine plug moves to with the contact of the dustproof positioning door of second, promote the dustproof positioning door of second and make the dustproof positioning door of second pushed away, make the net twine plug can get into in the mounting groove, and the blowing of dust removal portion has been ended this moment, therefore the dust can not blown on the net twine plug.
Further, the cross section of the second dustproof positioning door is also trapezoidal. Because the cross section of the second dustproof positioning door is trapezoidal, the two side faces of the second dustproof positioning door are also wedge faces, and the net wire plug can push the second dustproof positioning door open when entering and exiting the mounting groove.
Furthermore, a limiting block is fixed to one end, close to the blind hole, of the second dustproof positioning door, and the limiting block is connected with the sliding groove in a sliding mode. Through setting up the stopper for the dustproof location door of second can not take place to rock when sliding in the spout, and then guarantees the steady operation of this device.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a top cross-sectional view of the mounting groove of the present invention;
FIG. 3 is a front cross-sectional view of a blind hole of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: switch 1, mounting groove 2, first dustproof positioning door 3, spout 4, the dustproof positioning door 5 of second, blind hole 6, piston rod 7, piston plate 8, spring 9, cylinder 10, cleaning door 11, dust removal pipe 12, net twine socket 13, semicircle through-hole 14.
The embodiment is substantially as shown in fig. 1, 2 and 3: a network switch capable of preventing a network cable from loosening comprises a switch 1, four mounting grooves 2 are uniformly formed in the front side wall of the switch 1 at intervals, network cable sockets 13 are fixedly mounted in the mounting grooves 2, the network cable sockets 13 are abutted to the inner wall of one side, away from an opening, of the mounting groove 2, the central line of each network cable socket 13 is superposed with the central line of the mounting groove 2, blind holes 6 with rectangular openings are symmetrically formed in the left side wall and the right side wall of the mounting groove 2, first dustproof positioning doors 3 are connected in the blind holes 6 in a sliding mode, the cross sections of the first dustproof positioning doors 3 are isosceles trapezoids, the short sides of the first dustproof positioning doors 3 on the left side and the right side are opposite, a first limiting block with the size matched with the blind holes 6 in a clearance mode is integrally formed at one end, close to the blind holes 6, of the first limiting block, a piston rod 7 is welded at one end, two blind holes 6 keep away from open-ended one end fixed mounting have a cylinder 10 about, piston plate 8 and 10 inner wall sliding seal of cylinder, fixed mounting has spring 9 between the inner wall of blind hole 6 opening one side is kept away from to piston plate 8 and cylinder 10, be connected with dust removal pipe 12 on the 10 lateral walls of cylinder, dust removal pipe 12 passes 2 lateral walls of mounting groove and aims at in the net twine socket 13, cylinder 10 is close to and opens the clearance mouth that runs through 10 lateral walls of cylinder and 6 lateral walls of blind hole on the external lateral wall, clearance mouth edge articulates there is clearance door 11, it is sealed to make cylinder 10 when clearance door 11 is closed.
Open along length direction on the relative one end of two first dustproof positioning doors 3 of left and right sides has spout 4, spout 4 is equal-height with first dustproof positioning door 3, sliding connection has the dustproof positioning door 5 of second in spout 4, the dustproof positioning door 5 cross section of second also is isosceles trapezoid, and the dustproof positioning door 5 minor face of second of the left and right sides is relative, the relative one end of two dustproof positioning doors 5 of second is served fixed mounting and is had the magnet that the magnetic pole is opposite, the dustproof positioning door 5 of second is kept away from and is opened spout 4 open-ended one end integrated into one piece has with spout 4 clearance fit's second stopper, open at the first dustproof positioning door of both sides and the dustproof positioning door 5 center of second have with net twine size profile assorted semicircle through-hole 14.
When the device is used specifically, a network cable plug is aligned to the installation groove 2 and then pushed into the installation groove 2, in the process that the network cable plug is pushed into the installation groove 2, the network cable plug is contacted with the side wall of the first dustproof positioning door 3, because the cross section of the first dustproof positioning door 3 is isosceles trapezoid and the short sides of the two first dustproof positioning doors 3 are opposite, the side surfaces of the first dustproof positioning door 3 towards the outside of the installation groove 2 and towards the inside of the installation groove 2 are both wedge surfaces, the network cable plug pushes the first dustproof positioning door 3 open under the action of the wedge surfaces, so that the first dustproof positioning door 3 slides in the sliding groove 4, the movement of the first dustproof positioning door 3 drives the piston rod 7 and the piston plate 8 to move, further, the piston plate 8 discharges the gas in the cylinder barrel 10 into the network cable socket 13 from the dust removal pipe 12, and the dust attached in the network cable socket 13 is blown by the air flow sprayed from the dust removal pipe 12, the dust falls off from the inner wall of the network cable jack 13, and the air flow is blocked by the inner wall of the network cable jack 13 when being blown to be in contact with the inner wall of the network cable jack 13, so that the air flow generates turbulence in the network cable jack 13, and the dust in the network cable jack 13 is blown more violently and is blown out of the network cable jack 13 by the air flow;
because magnet is installed to the relative one end of two second dustproof positioning doors 5, therefore when first dustproof positioning door 3 is pushed open by the net twine plug, second dustproof positioning door 5 still keeps the state of mutual contact under the effect of magnetic force, and then make second dustproof positioning door 5 follow spout 4 interior roll-off, the net twine plug still is blockked outside mounting groove 2 by second dustproof positioning door 5 this moment, thereby guarantee dust removal pipe 12 in the in-process that blows off the dust in net twine socket 13, the dust that is blown off can not contact with the net twine plug, then continue to push away the net twine plug, make second dustproof positioning door 5 also pushed open, because first dustproof positioning door 3 has been pushed open this moment, consequently, the interior air current that does not produce the dust and blows off of dust again of dust removal pipe 12, consequently, the dust can not blown on the net twine plug.
After the net wire plug passes through the first dustproof positioning door 3 and the second dustproof positioning door 5, because the side wall of the net wire plug is not abutted against the first dustproof positioning door 3 and the second dustproof positioning door 5 any more, under the action of the spring 9, the piston plate 8 returns to drive the piston rod 7 and the first dustproof positioning door 3 to return to seal the opening of the mounting groove 2, so that the net wire plug is blocked in the mounting groove 2 by the first dustproof positioning door 3, meanwhile, the net wire plug is abutted against the net wire socket 13 by the first dustproof positioning door 3 towards one side in the mounting groove 2, the net wire plug is positioned to prevent the net wire plug from sliding out of the net wire socket 13, and simultaneously, because the semicircular through holes 14 are formed on the first dustproof positioning door 3 and the second dustproof positioning door 5 at the left side and the right side, when the first dustproof positioning door 3 and the second dustproof positioning door 5 are abutted against each other, the two semicircular through holes 14 form a circular through hole matched with the size profile of the net wire to limit the net wire, make net twine and net twine articulate can not take place frequent buckling, avoid net twine and net twine articulate to take place fatigue fracture, and order about the in-process that piston plate 8 resets at spring 9, produce the air current that flows in to cylinder 10 from mounting groove 2 in the dust removal pipe 12, make the dust be sucked in the dust removal pipe 12 along with the air current, and then in being collected cylinder 10, prevent that the dust from piling up in mounting groove 2, and because it has clearance door 11 to open on the cylinder 10 lateral wall, consequently only need open clearance door 11 and clear up in the cylinder 10 and can accomplish the cleaing away of dust, and when first dustproof positioning door 3 was closed, because the elasticity of spring 9, make there is the pretightning force between two first dustproof positioning door 3, guarantee that first dustproof positioning door 3 can not be opened easily.
In the process of pulling out the net twine, the pulling net twine plug, make the net twine plug overcome the pretightning force that spring 9 provided, and then push away first dustproof positioning door 3 and second dustproof positioning door 5 along the wedge surface can, and also can order about the motion of piston plate 8 at the in-process of pushing away first dustproof positioning door 3, and then make and produce outside injection and inside absorbing air current in the dust removal pipe 12, realize the clearance many times to the net twine interface, further improve the deashing effect, the principle is the same with the above, no longer give unnecessary details here, the net twine plug pulls out the back, first dustproof positioning door 3 is closed again under the effect of spring 9, avoid net twine socket 13 to expose in the external environment for a long time, lead to the dust to pile up.
The device can adjust the duration of airflow in the dust removal pipe 12 by changing the thickness and the inclined plane inclination degree of the first dustproof positioning door 3 and the second dustproof positioning door 5, and further adapt to different requirements.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides a can prevent not hard up network switch of net twine which characterized in that: the dustproof switch comprises a switch, wherein a mounting groove is formed in the side wall of the switch, and a network cable socket, a dustproof positioning part and a dust removing part are arranged in the mounting groove;
the dustproof positioning part comprises a blind hole formed in the side wall of the mounting groove, a first dustproof positioning door is connected in the blind hole in a sliding mode, a hole for a network cable to pass through is formed in the first dustproof positioning door, and a wedge surface for inserting and pulling a network cable plug into and out of the mounting groove and pushing the first dustproof positioning door away is formed in the first dustproof positioning door;
the dust removal portion is including locating the cylinder in the blind hole, sliding seal has the piston board in the cylinder, be fixed with the spring between piston board and the cylinder, the piston board is kept away from cylinder body one end and is fixed with the piston rod, the piston rod other end and first dustproof positioning door fixed connection, be connected with the dust removal pipe on the cylinder lateral wall, the dust removal pipe other end is towards in the net twine socket.
2. The network switch of claim 1, wherein the network switch is configured to prevent loosening of the network cable: the dustproof positioning part and the dust removing part are symmetrically arranged on two side walls of the mounting groove relative to the axis of the mounting groove.
3. The network switch of claim 2, wherein the network switch is capable of preventing a network cable from loosening, and comprises: and a cleaning door for cleaning dust in the cylinder barrel is arranged on the side wall of the cylinder barrel.
4. The network switch of claim 3, wherein the network switch is capable of preventing a network cable from loosening, and comprises: the two first dustproof positioning doors are opposite in end, a sliding groove is formed in the end along the length direction, a second dustproof positioning door is connected in the sliding groove in a sliding mode, a magnetic adsorption mechanism is arranged at one end, extending out of the sliding groove, of the second dustproof positioning door, and the second dustproof positioning door is the same as the first dustproof positioning door in height.
5. The network switch of claim 4, wherein the network switch is capable of preventing a network cable from loosening, and comprises: the cross section of the second dustproof positioning door is also trapezoidal.
6. The network switch of claim 5, wherein the network switch is configured to prevent loosening of the network cable: and one end of the second dustproof positioning door, which is close to the blind hole, is fixedly provided with a limiting block, and the limiting block is connected with the sliding groove in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059734.5A CN107995132B (en) | 2018-01-22 | 2018-01-22 | Network switch capable of preventing network cable from loosening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810059734.5A CN107995132B (en) | 2018-01-22 | 2018-01-22 | Network switch capable of preventing network cable from loosening |
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| CN107995132A CN107995132A (en) | 2018-05-04 |
| CN107995132B true CN107995132B (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810059734.5A Active CN107995132B (en) | 2018-01-22 | 2018-01-22 | Network switch capable of preventing network cable from loosening |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337195B (en) * | 2018-05-23 | 2021-02-09 | 浙江商业职业技术学院 | Network switch capable of preventing network cable from loosening |
| CN109743109A (en) * | 2018-12-26 | 2019-05-10 | 安徽网华信息科技有限公司 | A kind of optical fiber communication equipment based on mixed service conversion |
| CN109787776B (en) * | 2019-02-14 | 2021-08-31 | 江苏科创车联网产业研究院有限公司 | Network port assembly for network communication equipment |
| CN110994126B (en) * | 2019-12-22 | 2021-02-23 | 广西中廪智工科技发展集团有限公司 | Indoor wall-mounted antenna based on gain 5G data transmission technology |
| CN113676784B (en) * | 2020-06-15 | 2023-05-26 | 江苏富联通讯技术股份有限公司 | External 5G communication module assembly and application method thereof |
| CN112911418A (en) * | 2021-01-14 | 2021-06-04 | 辽宁科电交通科技有限公司 | Crossing is industrial switch for light convergence |
| CN117410762B (en) * | 2023-11-08 | 2024-03-29 | 杭州源一物联科技有限公司 | Gateway structure for LORA signal transmission and forwarding and use method thereof |
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|---|---|---|---|---|
| TW201002957A (en) * | 2008-07-03 | 2010-01-16 | Hiwin Tech Corp | Linear guideway with a dust absorbing structure |
| CN204130847U (en) * | 2014-11-12 | 2015-01-28 | 乐清市世创电子有限公司 | A kind of Novel crystal headstock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM461186U (en) * | 2013-02-22 | 2013-09-01 | Kinsun Ind Inc | Network connector dustproof cover structure |
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2018
- 2018-01-22 CN CN201810059734.5A patent/CN107995132B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201002957A (en) * | 2008-07-03 | 2010-01-16 | Hiwin Tech Corp | Linear guideway with a dust absorbing structure |
| CN204130847U (en) * | 2014-11-12 | 2015-01-28 | 乐清市世创电子有限公司 | A kind of Novel crystal headstock |
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| CN107995132A (en) | 2018-05-04 |
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Inventor after: Su Tao Inventor after: Yu Yan Inventor after: OuYang Gang Inventor after: Chen Dong Inventor after: OuYang Hua Inventor after: Su Shu Inventor before: Su Tao Inventor before: OuYang Gang Inventor before: Chen Dong Inventor before: Su Shu Inventor before: Yu Yan Inventor before: OuYang Hua |
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Effective date of registration: 20200508 Address after: 401120 Taoyuan Road, Chongqing, No. 1000, No. Applicant after: CHONGQING INDUSTRY POLYTECHNIC College Address before: 401121 Chongqing Yubei District Airport Taoyuan Avenue 1000 Production and Learning Building 3 Layer 303 Applicant before: CHONGQING RUIHAO TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Application publication date: 20180504 Assignee: Shenzhen wanyear Electronics Co.,Ltd. Assignor: CHONGQING INDUSTRY POLYTECHNIC College Contract record no.: X2020990000607 Denomination of invention: Network switch that can prevent network cable from loosing Granted publication date: 20200605 License type: Common License Record date: 20201119 |
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