CN117317705A - Special network cable connector capable of preventing misplug physical locking - Google Patents
Special network cable connector capable of preventing misplug physical locking Download PDFInfo
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- CN117317705A CN117317705A CN202311382497.3A CN202311382497A CN117317705A CN 117317705 A CN117317705 A CN 117317705A CN 202311382497 A CN202311382497 A CN 202311382497A CN 117317705 A CN117317705 A CN 117317705A
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- clamping
- misplug
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- 230000000903 blocking effect Effects 0.000 claims abstract 8
- 238000003825 pressing Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000010585 Ammi visnaga Nutrition 0.000 description 1
- 244000153158 Ammi visnaga Species 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
The invention discloses a special net wire connector for preventing misplug physical locking, which comprises a crystal head, a locking device and an unlocking key, wherein the crystal head adopts a split structure of a crystal head body matched with a crystal head shell, the locking device comprises a hollow lock body and a lock tongue, the lock body is divided into an upper layer and a lower layer, the lower layer lock body is provided with a mounting hole, a third positioning buckle and a fourth positioning buckle which are used for being in sliding fit with the crystal head shell, the upper side inner wall of the upper layer lock body is provided with two upper elastic pieces which are bent downwards, the lower side inner wall of the upper layer lock body is provided with lower elastic pieces which are bent upwards, the left side wall and the right side wall are respectively provided with a groove used for being in sliding fit with the lock tongue, the lock tongue is arranged in the upper layer lock body in a sliding way, and one end of the lock tongue is provided with a supporting part extending out of the upper layer lock body and used for preventing the inverted clamping elastic pieces of the crystal head from being pressed downwards; the other end of the lock tongue is matched with the unlocking key. The invention realizes the physical blocking of the non-private network connector, and the manager can replace the public network and the private network.
Description
Technical Field
The invention relates to the technical field of information communication, in particular to a special network cable connector capable of preventing misplug physical locking.
Background
In order to further perform the safety management of the special network, ensure the safety, confidentiality and smoothness of the information of the special network, effectively promote the normal development of the informationized management work and avoid the occurrence of network violation events such as 'one machine for two purposes'. At present, the same network cable interface is used for a special network cable interface and an internet cable interface, so that the hidden danger of 'one machine for two purposes' exists physically, and warning reminding is usually carried out by different colors and labels, but the occurrence of 'one machine for two purposes' events cannot be stopped from the source. The following two anti-pulling crystal heads are invented later
The anti-pulling crystal head with the prior patent number of 201922238181.2 consists of a base body, a reed, an inverted clip spring piece, a lock hole base, an unlocking hole and a key; the lock hole base is positioned at the upper part of the rear end of the basal body, and is provided with an unlocking hole which is communicated with the front part and the rear part; one end of the reverse clamping spring piece is fixedly connected with the upper surface of the rear end of the base body, the other parts of the reverse clamping spring piece extend forwards and obliquely upwards, and a reverse clamp is arranged on the reverse clamping spring piece; the unlocking hole opening in front of the lock hole base is higher than the upper surface of the inverted clamping spring plate adjacent to the opening; the key is matched with the unlocking hole, and the key can pass through the unlocking hole and downwards press the reverse clamping elastic sheet. However, the lock hole of the structure is only easy to be pried off by one clamping point, and the current safety precaution cannot be realized.
Disclosure of Invention
The invention aims to overcome the defects, and provides a special network cable connector capable of preventing misplug physical locking, which can physically block a non-special network connector, prevent the special network connector from being inserted into a non-special network interface, realize isolation between a special network and a public network and solve the risk of misplug of the special network and the public network cable interface.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a prevent misplug physical locking's special net twine connects, includes crystal head, its characterized in that: the lock comprises a lock body and a lock tongue, wherein the lock body is divided into an upper layer and a lower layer, the lower layer is provided with a mounting hole for sliding fit with the crystal head shell, a third positioning buckle for positioning the crystal head shell and a fourth positioning buckle for positioning the crystal head body, the upper side inner wall of the upper lock body is provided with two upper elastic pieces which are bent downwards, the lower side inner wall is provided with a lower elastic piece which is bent upwards, the upper lock body, the upper elastic pieces and the lower elastic pieces are integrally formed, the left side wall and the right side wall are respectively provided with a groove used for being in sliding fit with the lock tongue, the lock tongue is arranged in the upper lock body in a sliding way, one end of the lock tongue is provided with a supporting part extending out of the upper lock body, and the supporting part is used for preventing the inverted clamp elastic pieces of the crystal head from being pressed downwards; two clamping grooves are formed in the other end of the lock tongue and are of a mountain-shaped structure, a first clamping groove for propping against the upper elastic sheet is formed in the upper end of the side wall of each clamping groove, a second clamping groove for propping against the lower elastic sheet is formed in the lower end of a partition between the two clamping grooves, and limiting bosses for sliding fit with the grooves of the upper lock body are formed in the outer side faces of the two clamping grooves;
the side face of the supporting part of the lock tongue is provided with a sliding block, the upper side of the lower lock body is provided with a turned edge which is bent inwards, and the turned edge is provided with a sliding rail for sliding fit with the sliding block of the lock tongue;
the unlocking key is provided with two clamping strips matched with the clamping grooves, key positioning blocks and jacking blocks used for jacking up upper elastic sheets in a matched mode with the first clamping grooves are arranged on the upper end faces of the two clamping strips, the key positioning blocks, the jacking blocks and the clamping strips are of a stepped structure in sequence, and pressing blocks used for downwards pressing the lower elastic sheets are arranged between the two clamping strips.
Further, the crystal head body is in sliding fit with the crystal head shell, a first positioning buckle which is outwards protruded and is clamped with a fourth positioning buckle of the lower-layer lock body is arranged on the outer side of the crystal head body, a second positioning buckle which is clamped with a third positioning buckle of the lower-layer lock body is arranged on the outer side wall of the crystal head shell, and an inverted clamping spring piece is arranged on the upper end face of the crystal head shell.
Further, the size of the crystal head body is smaller than the international standard size.
Further, the inner side walls of the two strip-shaped clamping grooves of the lock tongue are provided with first guide inclined planes.
Further, the unlocking key is provided with a lightening hole, a key coding area and a rope hanging hole.
Further, the upper lock body, the upper elastic piece and the lower elastic piece are made of elastic plastics.
Further, the crystal head is a color crystal head.
Further, the outer surface of the lock body is provided with a special warning sign.
The invention has the remarkable effects that: the locking device is simple in structure, the supporting part of the locking device is supported below the inverted clamping elastic piece of the crystal head shell, the inverted clamping elastic piece is prevented from being pressed down at will, the supporting part of the locking device is separated from the inverted clamping elastic piece after the unlocking key is needed to unlock, and the 'one-machine-two-purpose' physical device is prevented from being normally separated from the universal network interface. The two upper elastic sheets and the lower elastic sheet are utilized to form three clamping points at different positions, and the locking device can be unlocked only by jacking up the three clamping points at the same time, so that the safety of the locking device is effectively ensured. The standard conventional network connector cannot be inserted into the locking device to realize normal communication, so that isolation between the private network and the public network is realized, the problem that information security risk equipment is caused by easy misplug of a private network and a public network cable interface is solved, and the problem that the information system security is damaged between public internet equipment and an information intranet is physically avoided.
The invention uses the locking device and unlocking key to match, which is suitable for office situations where private network and public network are needed, and enlarges the application range.
The alarm device can also be used for alarming and reminding by different colors and characters, and is simple and striking. Therefore, the invention has the characteristics of convenience, attractive appearance, low production cost, wide application range and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the crystal head and locking device of the present invention;
FIG. 3 is a partial cross-sectional view of FIG. 1;
FIG. 4 is a schematic view of the structure of the crystal head and locking device of the present invention;
FIG. 5 is a longitudinal cross-sectional view of the crystal head and latch of the present invention;
FIG. 6 is a schematic view of the structure of the crystal head body of the present invention;
FIG. 7 is a schematic view of the structure of the lock body of the present invention;
FIG. 8 is a front view of the lock body of the present invention;
FIG. 9 is a schematic view of the structure of the locking bolt of the present invention;
FIG. 10 is a bottom view of FIG. 9;
FIG. 11 is a schematic view of the structure of an unlocking key of the present invention;
fig. 12 is a bottom view of fig. 11.
In the accompanying drawings: 1 is a crystal head, 1-1 is a crystal head body, 1-2 is a crystal head shell, 1-3 is a first positioning buckle, 1-4 is a second positioning buckle, 1-5 is an inverted clamping spring piece, 2 is a locking device, 2-1 is a lower lock body, 2-2 is an upper lock body, 2-3 is a third positioning buckle, 2-4 is an upper spring piece, 2-5 is a lower spring piece, 2-6 is a lock tongue, 2-61 is a strip-shaped clamping groove, 2-62 is a first clamping groove, 2-63 is a second clamping groove, 2-64 is a guiding inclined plane, 2-65 is a limiting boss, 2-7 is a supporting part, 2-8 is a sliding rail, 2-9 is a fourth positioning buckle, 3 is an unlocking key, 3-1 is a clamping strip, 3-2 is a key positioning block, 3-3 is a top block, 3-4 is a pressing block, 3-5 is a lightening hole, 3-6 is a rope hanging hole, and 3-7 is a key region.
Detailed Description
The following describes the embodiments and working principles of the present invention in further detail with reference to the drawings.
As shown in fig. 1 to 12, a special network cable connector capable of preventing misplug physical locking comprises a crystal head 1, a locking device 2 and an unlocking key 3, wherein the crystal head 1 adopts a split structure in which a crystal head body 1-1 is matched with a crystal head shell 1-2, the crystal head body 1-1 is in sliding fit with the crystal head shell 1-2, a first positioning buckle 1-3 which protrudes outwards and is clamped with a fourth positioning buckle of a lower lock body 2-1 is arranged on the outer side of the crystal head body 1-1, a second positioning buckle 1-4 which is clamped with a third positioning buckle of the lower lock body 2-1 is arranged on the outer side wall of the crystal head shell 1-2, unidirectional movement of the crystal head body and the crystal head shell is formed, and an inverted clamping spring piece 1-5 is arranged on the upper end face of the crystal head shell. The crystal head is divided into the crystal head body and the crystal head shell, so that the size of the crystal head body 1-1 is smaller than the international standard size, and the crystal head with the international standard size is effectively prevented from being directly inserted into the crystal head shell of the locking device. The crystal head 1 adopts a colorful crystal head, and is distinguished from the existing international standard crystal head through the colorful crystal head, so that the special crystal head is convenient to visually see.
The locking device 2 comprises a hollow lock body and a lock tongue 2-6, the lock body is divided into an upper layer and a lower layer, the lower layer lock body 2-1 is provided with a mounting hole for sliding fit with the crystal head shell, a third positioning buckle 2-3 for positioning the crystal head shell and a fourth positioning buckle 2-9 for positioning the crystal head body, the third positioning buckle 2-3 and the fourth positioning buckle 2-9 are respectively provided with a second guide inclined plane, the first positioning buckle is convenient to clamp into the fourth positioning buckle through the second guide inclined plane, the second positioning buckle clamps the third positioning buckle, the upper side inner wall of the upper layer lock body 2-2 is provided with two upper elastic pieces 2-4 which are bent downwards, the lower side inner wall is provided with lower elastic pieces 2-5 which are bent upwards, the lower elastic pieces 2-5 are positioned between the two upper elastic pieces 2-4, the upper layer lock body 2-2, the upper elastic pieces 2-4 and the lower elastic pieces 2-5 are integrally formed, and the upper layer lock body 2-4 and the lower elastic pieces 2-5 are made of elastic materials. The left side wall and the right side wall are provided with grooves which are used for being in sliding fit with the lock bolts 2-6, the lock bolts 2-6 are arranged in the upper lock body 2-2 in a sliding mode, one end of the lock bolts 2-2 is provided with a supporting part 2-7 extending out of the upper lock body 2-2, and the supporting part is used for preventing the inverted clamping spring piece 1-5 of the crystal head from being pressed down; two clamping grooves 2-61 are formed in the other end of the lock tongue 2-6 and are of a mountain-shaped structure, a first clamping groove 2-62 used for propping against the upper elastic sheet is formed in the upper end of the inner side wall of the two clamping grooves 2-61, a second clamping groove 2-63 used for propping against the lower elastic sheet is formed in the lower end of the partition between the two clamping grooves 2-61, and a first guide inclined plane 2-64 is formed in the inlet end of the inner side wall of the two clamping grooves of the lock tongue 2-6 so that the clamping strips of the unlocking key can be conveniently inserted into the clamping grooves. And limiting bosses 2-65 which are used for being in sliding fit with the grooves of the upper lock body are arranged on the outer side surfaces of the two clamping grooves 2-61.
The unlocking key 3 is provided with two clamping strips 3-1 matched with the clamping grooves, key positioning blocks 3-2 and jacking blocks 3-3 matched with the first clamping grooves and jacking up upper elastic sheets are arranged on the upper end faces of the two clamping strips 3-1, the key positioning blocks 3-2, the jacking blocks 3-3 and the clamping strips 3-1 are sequentially of a step structure, and pressing blocks 3-4 used for downwards pressing the lower elastic sheets 2-5 are arranged between the two clamping strips 3-1. Different locking devices and unlocking keys can be realized by adjusting the positions of the two upper elastic pieces or the lower elastic pieces or the clamping grooves and the ejector blocks, the key positioning blocks and the clamping strips of the unlocking keys matched with the two upper elastic pieces or the lower elastic pieces or the clamping grooves, so that one unlocking key is effectively prevented from opening all locking devices, and the special purpose of special management of network special persons is truly realized. The arrow in fig. 3 indicates the direction of the unlocking key insertion.
The unlocking key 3 is provided with a lightening hole 3-5, a rope hanging hole 3-6 and a key coding area 3-7. The key code area 3-7 is used for facilitating the very clear key corresponding to the locking device and the management specification. The outer surface of the lock body is provided with a special warning sign.
Possibly, the side of the supporting part of the lock tongue 2-6 is provided with a sliding block, the upper side of the lower lock body 2-1 is provided with an inward bent flange, and the flange is provided with a sliding rail 2-8 for sliding fit with the sliding block of the lock tongue. The supporting part is used for supporting the lock bolts 2-6 and plays a certain guiding role.
The working principle of the invention is as follows:
firstly, the crystal head shell and the locking device are assembled together through the clamping of a third positioning buckle and a second positioning buckle of the locking device; and then the crystal head shell and the locking device are inserted into the universal standard network interface, the supporting part of the locking device is supported under the inverted clamping spring piece of the crystal head shell, the inverted clamping spring piece is prevented from being pressed down, locking is carried out, and the unlocking key is taken out. Finally, the crystal head body is inserted into the crystal head shell through the locking device, and the crystal head is clamped after being inserted into the universal standard network interface through the clamping of the fourth positioning buckle of the locking device and the first positioning buckle of the crystal head body, so that the unidirectional movement of the crystal head body is realized. If the special network cable connector needs to be taken out, after the unlocking key is matched with the lock tongue of the locking device, the supporting part on the lock tongue is moved forwards, so that the supporting part is not at the inverted clamping spring piece for supporting the crystal head, and the special network cable connector is taken out from the standard network interface through the downward pressing of the inverted clamping spring piece. If the crystal head body needs to be taken out, the crystal head body is only required to be separated from the bottom of the crystal head body and the crystal head shell. According to the invention, the quartz crystal head shell and the locking device are inserted into the universal standard network interface, so that the insertion of the international standard quartz crystal head after the quartz crystal head body is taken out is prevented, and the misplug of the public network is effectively avoided.
When the public network is required to be plugged in, the crystal head shell and the locking device can be taken out from the standard network interface after the unlocking key manager unlocks, so that the plugging of the private network and the public network line interface is realized according to the requirement, and the network line connector is not damaged.
The invention is applicable to 8P8C network cable connectors, also called RJ45 network cable connectors. The crystal head is used for splitting and stripping the RJ45 network crystal head, the size of the crystal head body is smaller than the international standard size, so that the crystal head body is reduced from the international standard size to a special standard, and uniqueness is realized physically, namely, other network interfaces cannot be adapted. Possibly, the crystal head shell and the locking device are integrally formed and are provided with a special unlocking key, when the crystal head is inserted into the interface of the locking device, the crystal head shell and the locking device are fastened and fixed, and the crystal head body unidirectionally enters the locking device and the crystal head shell and is clamped with the locking device, so that the crystal head cannot be pulled out, and the locking device is in a locking state. When the unlocking key is inserted into the corresponding bar-shaped clamping groove of the locking device, the upper elastic sheet is pushed upwards, the lower elastic sheet is pressed down to unlock, the state is changed into a pluggable state, and the crystal head is taken out.
The upper elastic sheet and the lower elastic sheet realize automatic locking after the lock body is inserted, a space capable of being connected with the crystal head body is reserved in the locking device, and meanwhile, normal insertion of the universal standard network connector is blocked due to the fact that the space is reduced.
In addition, the traditional crystal head is made of transparent materials, and the invention can carry out color mixing treatment and warn according to the color (such as red) required by users. Simultaneously, print special network typeface and remind at the side and the top of lock body. Each key is printed with a number, and a security officer is arranged by a using unit to be responsible for unified management, so that the problems of random use, improper storage and the like of the key are effectively prevented.
The network cable connector has the following four characteristics that firstly, the network cable connector consists of a special network cable connector, a locking device and an unlocking key; secondly, only the crystal head body can be inserted into the locking device; thirdly, the local network cable connector can be normally inserted into a universal network interface and automatically locked, and the special network cable connector can be pulled out after unlocking and separating only by using an unlocking key, so that the standard network cable connector cannot be inserted into the locking device; and fourthly, the unlocking key is matched with the locking device to unlock, and when articles such as toothpicks and iron wires are used, the locking device cannot be unlocked.
The technical scheme provided by the invention is described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (8)
1. The utility model provides a prevent misplug physical locking's special net twine connects, includes crystal head, its characterized in that: the lock comprises a lock body and a lock tongue, wherein the lock body is divided into an upper layer and a lower layer, the lower layer is provided with a mounting hole for sliding fit with the crystal head shell, a third positioning buckle for positioning the crystal head shell and a fourth positioning buckle for positioning the crystal head body, the upper side inner wall of the upper lock body is provided with two upper elastic pieces which are bent downwards, the lower side inner wall is provided with a lower elastic piece which is bent upwards, the upper lock body, the upper elastic pieces and the lower elastic pieces are integrally formed, the left side wall and the right side wall are respectively provided with a groove used for being in sliding fit with the lock tongue, the lock tongue is arranged in the upper lock body in a sliding way, one end of the lock tongue is provided with a supporting part extending out of the upper lock body, and the supporting part is used for preventing the inverted clamp elastic pieces of the crystal head from being pressed downwards; two clamping grooves are formed in the other end of the lock tongue and are of a mountain-shaped structure, a first clamping groove for propping against the upper elastic sheet is formed in the upper end of the side wall of each clamping groove, a second clamping groove for propping against the lower elastic sheet is formed in the lower end of a partition between the two clamping grooves, and limiting bosses for sliding fit with the grooves of the upper lock body are formed in the outer side faces of the two clamping grooves;
the side face of the supporting part of the lock tongue is provided with a sliding block, the upper side of the lower lock body is provided with a turned edge which is bent inwards, and the turned edge is provided with a sliding rail for sliding fit with the sliding block of the lock tongue;
the unlocking key is provided with two clamping strips matched with the clamping grooves, key positioning blocks and jacking blocks used for jacking up upper elastic sheets in a matched mode with the first clamping grooves are arranged on the upper end faces of the two clamping strips, the key positioning blocks, the jacking blocks and the clamping strips are of a stepped structure in sequence, and pressing blocks used for downwards pressing the lower elastic sheets are arranged between the two clamping strips.
2. The anti-misplug physical blocking private network cable connector of claim 1, wherein: the crystal head body is in sliding fit with the crystal head shell, a first positioning buckle which is outwards protruded and is clamped with a fourth positioning buckle of the lower-layer lock body is arranged on the outer side of the crystal head body, a second positioning buckle which is clamped with a third positioning buckle of the lower-layer lock body is arranged on the outer side wall of the crystal head shell, and an inverted clamping spring piece is arranged on the upper end face of the crystal head shell.
3. The anti-misplug physical blocking private network cable connector of claim 1 or 2, wherein: the size of the crystal head body is smaller than the international standard size.
4. The anti-misplug physical blocking private network cable connector of claim 1, wherein: the inside wall of two strip type joint grooves of spring bolt all is equipped with first direction inclined plane.
5. The anti-misplug physical blocking private network cable connector of claim 1, wherein: the unlocking key is provided with a lightening hole, a key coding area and a rope hanging hole.
6. The anti-misplug physical blocking private network cable connector of claim 1, wherein: the upper lock body, the upper elastic piece and the lower elastic piece are made of elastic plastics.
7. The anti-misplug physical blocking private network cable connector of claim 1, wherein: the crystal head adopts a color crystal head.
8. The anti-misplug physical blocking private network cable connector of claim 1, wherein: the outer surface of the lock body is provided with a special warning sign.
Priority Applications (1)
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CN202311382497.3A CN117317705B (en) | 2023-10-24 | 2023-10-24 | Special network cable connector capable of preventing misplug physical locking |
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CN202311382497.3A CN117317705B (en) | 2023-10-24 | 2023-10-24 | Special network cable connector capable of preventing misplug physical locking |
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CN117317705A true CN117317705A (en) | 2023-12-29 |
CN117317705B CN117317705B (en) | 2024-05-17 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN207947442U (en) * | 2018-02-09 | 2018-10-09 | 东莞市胜高通讯科技有限公司 | A kind of safe wire jumper being inserted into lock core structure with key |
CN210723551U (en) * | 2019-12-13 | 2020-06-09 | 杨骅 | Anti-pulling crystal head |
CN213638044U (en) * | 2020-11-12 | 2021-07-06 | 辽宁鑫立源建筑工程技术有限公司 | Special network interface for secret-related network |
-
2023
- 2023-10-24 CN CN202311382497.3A patent/CN117317705B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN207947442U (en) * | 2018-02-09 | 2018-10-09 | 东莞市胜高通讯科技有限公司 | A kind of safe wire jumper being inserted into lock core structure with key |
CN210723551U (en) * | 2019-12-13 | 2020-06-09 | 杨骅 | Anti-pulling crystal head |
CN213638044U (en) * | 2020-11-12 | 2021-07-06 | 辽宁鑫立源建筑工程技术有限公司 | Special network interface for secret-related network |
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