CN112952735B - Quick connector for power cable - Google Patents
Quick connector for power cable Download PDFInfo
- Publication number
- CN112952735B CN112952735B CN202110292589.7A CN202110292589A CN112952735B CN 112952735 B CN112952735 B CN 112952735B CN 202110292589 A CN202110292589 A CN 202110292589A CN 112952735 B CN112952735 B CN 112952735B
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- connector
- quick
- cable
- connection
- fastening
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a quick connector for a power cable, and mainly relates to the field of cable connection. The quick connector comprises an upper connector, the lower connector, the quick connector, between upper connector and the cable, all be equipped with quick fastener between lower connector and the cable, the bottom of upper connector is equipped with the limiting plate, be equipped with fastening nut on the upper connector, fastening nut and quick connector's top threaded connection, be equipped with the fastener between fastening nut and the limiting plate, the quick connector is hollow structure, the inside of quick connector is equipped with the baffle, the rotation of symmetry is connected with the clamping on the lower connector, be equipped with the elasticity trip that mutually supports and use on two clamps, the outside of quick connector is equipped with the dog, the top of lower connector is equipped with the plug wire post, the plug wire post is pegged graft with the hollow structure activity of quick connector, be equipped with the plug wire hole that runs through from top to bottom in the plug wire post, the sinle silk is pegged graft with plug wire hole activity. The invention has the beneficial effects that: the cable connection efficiency can be greatly improved, the stability of the connection part is ensured, and the power transmission effect is ensured.
Description
Technical Field
The invention relates to the field of cable connection, in particular to a quick connector for a power cable.
Background
In current power equipment or power transmission, in view of the restriction of transmission distance, need be connected to two cables and use together sometimes, the connected mode that present connected mode majority adopted winding or colluded, it is more complicated and loaded down with trivial details to operate, the efficiency that leads to connecting is lower, the efficiency of construction has been influenced, and the connected mode that just present winding or colluded, when two cables have relative motion, because of lacking effectual connection structure, the hookup location appears becoming flexible easily, and then lead to power transmission unstable, influence the transmission effect of cable, reduce the stability of junction.
Disclosure of Invention
The invention aims to provide a quick connector for a power cable, which can greatly improve the efficiency of cable connection, ensure the stability of a connection part and ensure the power transmission effect.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a quick connector for a power cable comprises an upper connector, a lower connector and a quick connector, wherein the upper connector and the lower connector are both connected with the cable, a cable core is arranged inside the cable, quick fastening devices are arranged between the upper connector and the cable and between the lower connector and the cable, a limiting plate is arranged at the bottom of the upper connector, a fastening nut is arranged on the upper connector and is in threaded connection with the top of the quick connector, a jacking piece is arranged between the fastening nut and the limiting plate, the quick connector is of a hollow structure, a baffle is arranged inside the quick connector, the limiting plate is in contact with the top of the baffle, symmetrical rotation on the lower connector is connected with clips, two elastic hooks which are mutually matched for use are arranged on the clips, a stop block is arranged outside the quick connector, and the outer side shape of the stop block is matched with the inner side shape of the clips, the top of lower clutch is equipped with the plug wire post, the plug wire post is pegged graft with the hollow structure activity of quick-operation joint, be equipped with the plug wire hole that runs through from top to bottom in the plug wire post, sinle silk and plug wire hole activity are pegged graft.
Further, quick fastener includes fastening head, extrusion piece, spout, reference column, location cap, the horizontal sliding connection of fastening head symmetry is in the inside of top connection and lower clutch, the extrusion piece is along the inside of vertical slip top connection and lower clutch, the extrusion piece contacts with one side of fastening head, the spout runs through the lateral wall of top connection and lower clutch, the outside at the reference column is fixed to the location cap, the width of location cap is greater than the spout, the reference column pass behind the spout with extrusion piece threaded connection.
Furthermore, the fastening head is arc-shaped, the bilateral symmetry of the fastening head is provided with slide bars, the insides of the upper joint and the lower joint are both provided with sleeves, and the slide bars are slidably connected inside the sleeves.
Furthermore, an extension spring is arranged between the end part of the sliding rod and the end part of the sleeve, a first inclined plane is arranged on one side of the fastening head, a second inclined plane is arranged on one side of the extrusion block, and the first inclined plane is in contact with the second inclined plane and is arranged in parallel with the second inclined plane.
Further, the top tight piece is compression spring, compression spring cover establishes the outside of top connection, fastening nut is last to be equipped with the through-hole, the cable extends to the inside of top connection after passing the through-hole.
Further, be equipped with arc portion on the clamping, the elasticity trip is located arc portion, the dog is the arc, the radian and the arc portion of dog suit.
Furthermore, the elastic clamping hook is made of plastic materials.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the upper joint, the lower joint and the quick joint are arranged, the upper joint and the lower joint are respectively fixed with two cables through the quick fastening devices, then the wire cores of the two cables are simultaneously inserted into the hollow structure of the quick joint to be in contact connection, the quick connection of the two cables is realized through the connection of the upper joint and the quick connection of the lower joint and the quick joint, the connection efficiency is greatly improved, the two wire cores can be simply hooked or wound and then inserted into the wire inserting hole, then the cable is fixed with the upper joint or the lower joint through the quick fastening devices, and finally the upper joint and the lower joint are respectively connected with the quick joint, so that the stability and firmness of the connection are further improved;
the bottom of the upper joint is provided with a limiting plate, a baffle is arranged in the quick joint, the fastening nut is positioned above the upper joint, when the fastening nut is in threaded connection with the quick joint, the upper joint is tightly propped against the quick joint by using the propping piece, the quick connection between the upper joint and the quick joint is realized, meanwhile, the wire cores in the cables on the upper joint are inserted into the wire inserting holes in the wire inserting columns, and the propping piece is utilized for propping, so that the wire cores of the two cables are more tightly connected, when the two cables have relative motion or relative motion tendency, the two wire cores can still be tightly connected together and are not easy to generate relative displacement, the stability of the joint is improved, and the transmission effect of the joint is ensured; and the top connection passes through fastening nut and realizes the high-speed joint with the quick-operation joint, and the rotation of symmetry sets up the clamping on the lower clutch, makes its outside that rotates the dog through rotating the clamping, utilizes two elasticity trip joints together, and easy operation connects conveniently, has further guaranteed the efficiency of connecting, has reduced the complexity of connecting the operation, and arbitrary constructor homoenergetic all can realize easily, is applicable to general using widely.
Drawings
Figure 1 is an exploded view of the components of the present invention.
Fig. 2 is a schematic view of the connection structure of the upper joint and the quick joint of the invention.
Fig. 3 is a schematic diagram of the structure of the present invention after connection.
Fig. 4 is a schematic structural view of the quick fastening device of the present invention.
Fig. 5 is a cross-sectional view taken along line a-a of fig. 4 in accordance with the present invention.
The reference numbers shown in the figures:
1. an upper joint; 2. a lower joint; 3. a quick connector; 4. a cable; 5. a wire core; 6. a limiting plate; 7. fastening a nut; 8. a baffle plate; 9. clamping; 10. an elastic clamping hook; 11. a stopper; 12. a plug wire post; 13. a wire insertion hole; 14. a fastening head; 15. extruding the block; 16. a chute; 17. a positioning column; 18. a positioning cap; 19. a slide bar; 20. a sleeve; 21. an extension spring; 22. a first inclined plane; 23. a second inclined plane; 24. a compression spring; 25. a through hole; 26. an arc-shaped portion.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to a quick connector for a power cable, which comprises an upper connector 1, a lower connector 2 and a quick connector 3, wherein the upper connector 1 and the lower connector 2 are respectively connected with the upper end and the lower end of the quick connector 3, the upper connector 1 and the lower connector 2 are both connected with a cable 4, the cable 4 is two cables for connection, the cable 4 is internally provided with a cable core 5, only two cable cores 5 are required to be connected together during connection, the quick connector is particularly suitable for the connection of single-core cables, quick fastening devices are respectively arranged between the upper connector 1 and the cable 4 and between the lower connector 2 and the cable 4 and used for realizing the quick connection of the upper connector 1 and the lower connector 2 with the quick connector 3 respectively so as to improve the connection efficiency, a limiting plate 6 is welded or integrally formed at the bottom of the upper connector 1, and a fastening nut 7 is arranged on the upper connector 1, the fastening nut 7 is in threaded connection with the top of the quick connector 3, the fastening nut 7 is arranged between the fastening nut 7 and the limiting plate 6, the cable is fixed with the upper connector 1, the upper connector 1 and the quick connector 3 are fixed together by the fastening nut 7, the quick connector 3 is of a hollow structure, the baffle 8 is arranged inside the quick connector 3, the limiting plate 6 is in contact with the top of the baffle 8, the limiting plate 6 is limited by the baffle 8, in the installation process, the jacking part generates elasticity between the fastening nut 7 and the limiting plate 6, the limiting plate 6 is jacked on the baffle 8, the upper connector 1 is further tightly fixed on the quick connector 3 through elastic attachment, the trend of relative motion or relative motion between the fastening nut 7 and the limiting plate 6 is avoided, the connection of two cable cores is more stable, and the threaded connection of the fastening nut 7 and the quick connector 3 enables the operation to be simpler and more convenient, only the fastening nut 7 needs to be screwed, so that the operation steps are greatly simplified, and the connection efficiency is ensured;
the lower connector 2 is symmetrically connected with clips 9 in a rotating mode through a pin shaft, two elastic clamping hooks 10 which are mutually matched for use are arranged on the two clips 9, the two elastic clamping hooks 10 are connected together through hooks to realize the fixed connection of the two clips 9, a stop block 11 is welded on the outer portion of the quick connector 3 or integrally formed and fixed on the outer portion of the quick connector, the outer side shape of the stop block 11 is matched with the inner side shape of the clips 9, so that the two clips 9 can be attached to the outer portion of the stop block 11 after rotating, the lower connector 2 and the quick connector 3 can be connected together through the clips 9 after the two elastic clamping hooks 10 are connected in a hooking mode, the operation steps are only provided with the rotating clips 9 and the fastening elastic clamping hooks 10, the operation steps are very convenient, a wire inserting column 12 is welded on the top of the lower connector 2 or integrally formed and fixed on the top of the lower connector, the wire inserting column 12 is movably inserted into the hollow structure of the quick connector 3, be equipped with the plug wire hole 13 that runs through from top to bottom in the plug wire post 12, two sinle silk 5 can be simple collude even or insert the plug wire hole 13 after twining, then recycle quick fastener and fix cable 4 and top connection 1 or lower clutch 2, be connected top connection 1, lower clutch 2 respectively with quick clutch 3 at last again, further improve the stability of connecting and firm, sinle silk 5 is pegged graft with the activity of plug wire hole 13, and two sinle silks 5 all insert and are connected in the plug wire hole 13, have guaranteed the stability of sinle silk 5 hookup location, make it difficult the rocking of making a round trip, and the stability of connecting is better, and power transmission is difficult for interrupting.
Preferably, the rapid fastening device comprises a fastening head 14, an extrusion block 15, a sliding groove 16, a positioning column 17 and a positioning cap 18, wherein the fastening head 14 is used for contacting with an external insulating sheath of the cable 4, the fastening head 14 is symmetrically and horizontally connected inside the upper joint 1 and the lower joint 2 in a sliding manner, the fastening head 14 can horizontally slide inside the upper joint 1 and the lower joint 2, so that the cable 4 can be rapidly fixed by relative sliding after being inserted, the extrusion block 15 vertically slides inside the upper joint 1 and the lower joint 2, the extrusion block 15 is contacted with one side of the fastening head 14, the extrusion block 15 can extrude one side of the fastening head 14 by sliding up and down, so that the two fastening heads 14 relatively slide, the arrangement changes the vertical movement of the extrusion block 15 into the horizontal movement of the fastening head 14, and the limitation of the fastening head 14 can be indirectly realized by the vertical limitation of the extrusion block 15, the movement trend of the fastening head 14 in the horizontal position can be effectively limited by the extrusion block 15, the extrusion block 15 extrudes and fixes the fastening head 14 and the wire core 5, so that the wire core 5 is not easy to generate relative dislocation, the stability of the joint with the wire core 5 is higher, the sliding groove 16 penetrates through the side walls of the upper joint 1 and the lower joint 2, the positioning cap 18 is welded or integrally formed and fixed outside the positioning column 17, the width of the positioning cap 18 is larger than that of the sliding groove 16, the positioning column 17 penetrates through the sliding groove 16 and then is in threaded connection with the extrusion block 15, the extrusion block 15 generates extrusion force on the fastening head 14 by sliding the extrusion block 15, after the fastening head 14 and the wire core 5 are fixed, the positioning column 17 is rotated to move towards the inside of the extrusion block 15, so that the positioning cap 18 is in contact with the outside of the sliding groove 16 to realize the fixation of the position of the extrusion block 15, and the fixation of the wire core 5 is realized in an extrusion limiting mode, after the fixing, relative motion is not easy to generate, the connection stability is higher, the operation is simple and convenient, the fixing can be realized only by sliding the positioning column 17 and rotating, and the quick realization of the fastening operation is realized.
Preferably, fastening head 14 is the arc, and the curved shape can be with the inseparabler contact in surface of cable 4, makes to be connected more firmly, the welding of the bilateral symmetry of fastening head 14 or integrated into one piece's be fixed with slide bar 19, top connection 1 and lower clutch 2's inside all welds or the bolt fastening has sleeve pipe 20, slide bar 19 sliding connection is in sleeve pipe 20's inside, and such structure makes fastening head 14 directionality when horizontal slip better, and it is more stable to slide, and is fixed more firmly to cable 4's extrusion.
Preferably, an extension spring 21 is arranged between the end of the sliding rod 19 and the end of the sleeve 20, the extension spring 21 can generate a reset elastic force when the extrusion block 15 extrudes the fastening head 14, so that the fastening head 14 can reset in time after the extrusion is lost, a space is reserved for the next insertion of the cable 4, the insertion of the cable 4 is quicker and more efficient, a first inclined surface 22 is arranged on one side of the fastening head 14, a second inclined surface 23 is arranged on one side of the extrusion block 15, the bottom of the first inclined surface 22 and the bottom of the second inclined surface 23 are inclined downwards, the first inclined surface 22 is in contact with the second inclined surface 23 and are arranged in parallel, so that the extrusion block 15 slides downwards to extrude the fastening head 14, the first inclined surface 22 and the second inclined surface 23 are in contact with each other, the connection position of the two is tighter and is not prone to incline or shake, the stability after the device is connected is higher.
Preferably, the holding member is compression spring 24, compression spring 24 cover is established in the outside of top connection 1, and 24 covers of compression spring establishes in the outside of top connection 1 and can make its elasticity more stable, and is not easily crooked after the atress, guarantees to produce enough stable holding power, the last through-hole 25 that is equipped with of fastening nut 7, cable 4 passes the inside that extends to top connection 1 behind the through-hole 25, and such setting can make through-hole 25 produce certain limit function to cable 4, can avoid driving cable 4 to rotate when fastening nut 7 rotates simultaneously, avoids causing distortion to cable 4, safety when the protection cable is connected.
Preferably, integrated into one piece is equipped with arc portion 26 on the clamping 9, elasticity trip 10 is located arc portion 26, dog 11 is the arc, dog 11's radian suits with arc portion 26, and curved cooperation can make its inside can laminate the 11 curved outsides of dog smoothly after clamping 9 rotates, compares in the external shape that has the edges and corners, and the arc can make the installation more smooth and easy, and be connected inseparabler between clamping 9 and the dog 11 when connecting, is difficult for becoming flexible and warp.
Preferably, elasticity trip 10 is the plastics material, and the plastics material can possess less deformability, makes two elasticity trip 10's connection more convenient, and low cost easily production and manufacturing, and life is more permanent.
The working principle is as follows: according to the invention, the upper joint 1, the lower joint 2 and the quick joint 3 are arranged, the upper joint 1 and the lower joint 2 are respectively fixed with two cables through the quick fastening devices, then the wire cores 5 of the two cables 4 are simultaneously inserted into the hollow structure of the quick joint 3 to be contacted and connected, the quick connection of the two cables 4 is realized through the connection of the upper joint 1 and the quick joint 3 and the quick connection of the lower joint 2 and the quick joint 3, the connection efficiency is greatly improved, the two wire cores 5 can be simply hooked or wound and then inserted into the wire inserting hole 13, then the cable 4 is fixed with the upper joint 1 or the lower joint 2 through the quick fastening devices, and finally the upper joint 1 and the lower joint 2 are respectively connected with the quick joint 3, so that the stability and firmness of the connection are further improved; the bottom of the upper joint 1 is provided with a limiting plate 6, a baffle plate 8 is arranged inside the quick joint 3, a fastening nut 7 is positioned above the upper joint 1, when the fastening nut 7 is in threaded connection with the quick joint 3, the upper joint 1 is tightly propped against the quick joint 3 by utilizing a propping piece, the quick connection between the upper joint 1 and the quick joint 3 is realized, the wire cores 5 inside the upper cable 4 of the upper joint 1 are inserted into the wire inserting holes 13 in the wire inserting columns 12, and the propping piece is utilized for propping, so that the wire cores 5 are more tightly connected, when two cables have relative motion or relative motion trend, the two wire cores 5 can still be tightly connected together to avoid relative displacement, the stability of the joint is improved, and the transmission effect of the joint is ensured; and the top connection 1 is realized through fastening nut 7 with the high-speed joint 3's of short-term connection, and the rotation of symmetry sets up clamping 9 on the lower clutch 2, makes its outside that rotates dog 11 through rotating clamping 9, utilizes two elasticity trip 10 joints together, and easy operation connects conveniently, has further guaranteed the efficiency of connecting, has reduced the complexity of connecting the operation, and arbitrary constructor all can realize easily, is applicable to general popularization and use.
Claims (6)
1. The utility model provides a quick-operation joint for electric power cable, includes top connection (1), lower clutch (2), connects (3) soon, all be connected with cable (4) on top connection (1) and lower clutch (2), the inside of cable (4) is equipped with sinle silk (5), its characterized in that: the quick fastening device is arranged between the upper connector (1) and the cable (4) and between the lower connector (2) and the cable (4), a limiting plate (6) is arranged at the bottom of the upper connector (1), a fastening nut (7) is arranged on the upper connector (1), the fastening nut (7) is in threaded connection with the top of the quick connector (3), a jacking piece is arranged between the fastening nut (7) and the limiting plate (6), the quick connector (3) is of a hollow structure, a baffle (8) is arranged inside the quick connector (3), the limiting plate (6) is in contact with the top of the baffle (8), the lower connector (2) is symmetrically connected with clips (9) in a rotating manner, elastic hooks (10) which are matched with each other for use are arranged on the clips (9), a stop block (11) is arranged outside the quick connector (3), and the shape of the outer side of the stop block (11) is adapted to the shape of the inner side of the quick connector (9), the top of the lower connector (2) is provided with a wire plugging column (12), the wire plugging column (12) is movably plugged with the hollow structure of the quick connector (3), a wire plugging hole (13) which penetrates through the wire plugging column (12) up and down is formed in the wire plugging column (12), and the wire core (5) is movably plugged with the wire plugging hole (13);
quick fastener includes fastening head (14), extrusion piece (15), spout (16), reference column (17), location cap (18), the horizontal sliding connection of fastening head (14) symmetry is in the inside of top connection (1) and lower clutch (2), extrusion piece (15) are along the inside of vertical slip top connection (1) and lower clutch (2), extrusion piece (15) contact with one side of fastening head (14), spout (16) run through the lateral wall of top connection (1) and lower clutch (2), the outside at reference column (17) is fixed in location cap (18), the width of location cap (18) is greater than spout (16), behind reference column (17) passing spout (16) with extrusion piece (15) threaded connection.
2. A quick coupling for electric power cables, according to claim 1, characterized in that: fastening head (14) are the arc, the bilateral symmetry of fastening head (14) is equipped with slide bar (19), the inside of top connection (1) and lower clutch (2) all is equipped with sleeve pipe (20), slide bar (19) sliding connection is in the inside of sleeve pipe (20).
3. A quick coupling for electric power cables, according to claim 2, characterized in that: an extension spring (21) is arranged between the end part of the sliding rod (19) and the end part of the sleeve (20), a first inclined surface (22) is arranged on one side of the fastening head (14), a second inclined surface (23) is arranged on one side of the extrusion block (15), and the first inclined surface (22) is in contact with the second inclined surface (23) and is arranged in parallel with the second inclined surface.
4. A quick coupling for electric power cables, according to claim 1, characterized in that: the tight piece in top is compression spring (24), the outside of top connection (1) is established to compression spring (24) cover, be equipped with through-hole (25) on fastening nut (7), cable (4) pass through behind through-hole (25) extend to the inside of top connection (1).
5. A quick coupling for electric power cables, according to claim 1, characterized in that: be equipped with arc portion (26) on clamping (9), elasticity trip (10) are located arc portion (26), dog (11) are the arc, the radian and the arc portion (26) of dog (11) suit.
6. A quick coupling for electric power cables, according to claim 1, characterized in that: the elastic clamping hook (10) is made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110292589.7A CN112952735B (en) | 2021-03-18 | 2021-03-18 | Quick connector for power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110292589.7A CN112952735B (en) | 2021-03-18 | 2021-03-18 | Quick connector for power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112952735A CN112952735A (en) | 2021-06-11 |
| CN112952735B true CN112952735B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110292589.7A Active CN112952735B (en) | 2021-03-18 | 2021-03-18 | Quick connector for power cable |
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| CN (1) | CN112952735B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659356B (en) * | 2021-07-02 | 2023-07-21 | 周斌 | Waterproof joint with high tensile strength and wiring method |
| CN113823922B (en) * | 2021-09-28 | 2024-03-12 | 重庆万泰电力科技有限公司 | Anti-drop fixed connection piece for cable installation |
| CN114083572B (en) * | 2021-11-12 | 2023-06-30 | 哈尔滨电气集团先进电机技术有限公司 | Robot electrical connector maintenance device |
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| CN211428377U (en) * | 2020-01-13 | 2020-09-04 | 邳州市景鹏创业投资有限公司 | Equipment cable quick connector for electric power engineering |
| DE102019114587A1 (en) * | 2019-05-30 | 2020-12-03 | CENA-Kunststoff GmbH | Half screw connection |
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2021
- 2021-03-18 CN CN202110292589.7A patent/CN112952735B/en active Active
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|---|---|---|---|---|
| CN206432688U (en) * | 2016-12-30 | 2017-08-22 | 宣君华 | Downhole cable fast hitch mechanism |
| CN207691398U (en) * | 2017-12-01 | 2018-08-03 | 广州睿联电气科技有限公司 | Detachable cable connector |
| CN208522093U (en) * | 2018-06-29 | 2019-02-19 | 广州澳通电线电缆有限公司 | High performance tape shields network data line |
| DE102019114587A1 (en) * | 2019-05-30 | 2020-12-03 | CENA-Kunststoff GmbH | Half screw connection |
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| CN112952735A (en) | 2021-06-11 |
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