CN116345372A - Ground wire clamping connector for railway cable construction - Google Patents
Ground wire clamping connector for railway cable construction Download PDFInfo
- Publication number
- CN116345372A CN116345372A CN202310610811.2A CN202310610811A CN116345372A CN 116345372 A CN116345372 A CN 116345372A CN 202310610811 A CN202310610811 A CN 202310610811A CN 116345372 A CN116345372 A CN 116345372A
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- cable
- branch
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- main
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- 238000010276 construction Methods 0.000 title claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims description 8
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Images
Classifications
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
- H02G3/083—Inlets
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cable Accessories (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention relates to the field of railway cable connection, in particular to a ground wire clamp for railway cable construction, which comprises two wire boxes, wherein the two wire boxes penetrate through screws to be attached and fixed up and down, three sides of the wire boxes are provided with three wire openings, a main wire penetrates through the two wire openings, and the end part of a branch wire vertically points to the main wire from another wire opening; conductor sheets are fixed at the joint positions of the two wire boxes, and the surface of the main wire and the end parts of the branch wires are provided with exposed wire cores which are contacted with the conductor sheets; according to the invention, two wire boxes which are fixedly attached and bound with the conductor plates are adopted to be connected with the main wire, the main wire and the branch wire are covered by the compressed air bag strips, so that the sealing of the connection parts of the main wire and the branch wire is realized, the branch wire and the main wire are not required to be stripped too much, the operation is only required to attach two wire box fastening screws, the connection is convenient, and the vertical connection of the branch wire and the main wire is avoided that the connection point is pulled and deformed.
Description
Technical Field
The invention relates to the field of railway cable connection, in particular to a ground wire clamping connector for railway cable construction.
Background
The railway through ground wire is suitable for a railway integrated grounding system, and is characterized in that traction power supply reflux, power supply, signal, communication and other electronic information systems and various equipment along the railway are connected together to form an equipotential connection, so that the functions of electromagnetic induction interference prevention, electrostatic interference prevention, lightning invasion prevention and the like of the equipment along the railway are realized, the through ground wire is one form of railway integrated grounding, and is buried in power cable grooves on two sides of the railway, each side of the power cable groove is buried with a through ground wire, and professional equipment such as signal, communication, electrification and electric power on two sides of the railway and other metal objects are connected with the integrated through ground wire, so that the equipotential connection between each system and each equipment of the railway is realized, and the potential difference and potential safety hazards of personnel and equipment possibly caused by the existence of different equipment and different systems are reduced, and the damage to roadbed caused by the single ground wire of each professional equipment is reduced.
The main through ground wire is connected to signal, ground, communication, electrification, electric power and other metal objects on two sides of the railway line through branch wires, the surface of the main through ground wire and the end parts of the branch wires are stripped off to expose wire cores, the wire cores at the end parts of the branch wires are bent for 90 degrees to be attached to the wire cores of the main wire, the main wire and the branch wires are fixed by adopting a C-shaped hook bundle, and then the connecting part bundle is sealed by adopting an insulating tape, insulating glue or other insulating materials.
The traditional main through ground wire and the branch wire adopt the mode of buckling and pressing to fix to expose more sinle silk, and the junction is received the corruption hidden danger great, and follow-up is comparatively consuming time to the junction package, and the condition of sealed not tight appears easily in addition, if the branch wire receives unexpected pulling, its right angle bending part tears the sealing layer of junction easily, leads to the connection protectiveness lower.
Disclosure of Invention
The invention aims to solve the following problems in the prior art: the traditional main through ground wire and the branch wire adopt the mode of buckling and pressing to fix to expose more sinle silk, and the junction is received the corruption hidden danger great, and follow-up is comparatively consuming time to the junction package, and the condition of sealed not tight appears easily in addition, if the branch wire receives unexpected pulling, its right angle bending part tears the sealing layer of junction easily, leads to the connection protectiveness lower.
The invention provides a ground wire clamp for railway cable construction, which solves the problems in the prior art, and comprises two wire boxes, wherein the two wire boxes penetrate through screws to be attached and fixed up and down, three sides of the wire boxes are provided with three wire openings, a main wire penetrates through the two wire openings, and the end part of a branch wire vertically points to the main wire from another wire opening;
the conductor sheets are fixed at the joint parts of the two wire boxes, and the surface of the main wire and the end parts of the branch wire are provided with exposed wire cores which are contacted with the conductor sheets;
the sealing assembly comprises a containing groove which is formed in the wire opening part, an air bag strip is arranged in the containing groove, the air bag strip is coated on the non-exposed parts of the main wire cable and the branch wire cable, a movable cavity which vertically penetrates through the movable cavity is formed in the wire box, an extrusion part is arranged in the movable cavity, and the extrusion part extrudes the air bag strip towards the directions of the main wire cable and the branch wire cable.
Preferably, the extrusion piece comprises a propping piece vertically sliding in the movable cavity, the propping piece contacts the air bag strip, a jacking column is inserted in the accommodating groove in a sliding manner by the attaching face of the wire box, the tilted piece rotates in the movable cavity, one end of the tilted piece contacts the middle part of the propping piece, and the other end of the tilted piece contacts the end part of the jacking column.
Preferably, the holding groove is semicircle, and the laminating face of line box is link up at the both ends of holding groove, the gasbag strip is semicircle adaptation in the holding groove.
Preferably, the edge of the abutting piece is fixedly provided with an arc-shaped rack, and the surface of a convex outlet of the arc-shaped rack contacts the non-exposed parts of the main cable and the branch cable.
Preferably, the conductor piece is provided with a first arched spring piece group and a second arched spring piece group near the position of the branch cable, the wire cores of the branch cable are wound on two sides of the first arched spring piece group and the second arched spring piece group in a separated mode, the two ends of the first arched spring piece group and the second arched spring piece group are extruded by the conductor piece distributed up and down, and the first arched spring piece group and the second arched spring piece group expand towards two sides to extrude the wire cores of the branch cable.
Preferably, the first and second arc spring plate groups have the same structure, the number of the second arc spring plate groups is more than that of the first arc spring plate group, and the first and second arc spring plate groups are distributed in a nonlinear manner.
Preferably, the first and second arc spring plate groups are made of copper alloy, and one ends of the first and second arc spring plate groups are fixedly connected with one of the conductor plates.
Compared with the related art, the ground wire clamp for railway cable construction has the following beneficial effects:
1. according to the invention, two wire boxes which are fixedly attached and bound with the conductor sheets are adopted to be connected with the main wire, the main wire and the branch wire are covered by the compressed air bag strips, so that the sealing of the connection parts of the main wire and the branch wire is realized, the branch wire and the main wire are not required to be stripped excessively, the operation is only required to attach two wire box fastening screws, the connection is convenient, and the vertical connection of the branch wire and the main wire is avoided that the connection point is pulled to deform;
2. according to the invention, the arc racks are meshed with the wire skins of the branch cables and the main cables, so that the branch cables and the main cables are prevented from slipping, and the wire cores of the branch cables are extruded through the expansion of the first arc spring plate groups and the second arc spring plate groups, so that the connection stability of the branch cables is further improved.
Drawings
FIG. 1 is a schematic diagram of a prior art branch cable connected to a main through ground;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic diagram showing the distribution structure of the main cable and the branch cable in the cable box according to the present invention;
FIG. 4 is a schematic diagram showing a combination structure of a conductor plate and a wire box according to the present invention;
FIG. 5 is a schematic view of a branch cable contact bow spring assembly according to the present invention;
FIG. 6 is a schematic illustration of a seal assembly according to the present invention;
FIG. 7 is a second schematic view of the seal assembly of the present invention.
Reference numerals in the drawings: 1. a wire box; 11. a wire opening; 2. a main cable; 3. branching cables; 4. a conductor sheet; 5. a seal assembly; 51. an airbag strip; 52. abutting the sheet; 53. an arc-shaped rack; 54. a movable cavity; 55. a fin; 56. a top column; 57. a receiving groove; 6. the first bow-shaped elastic sheet group; 7. the second bow-shaped shell fragment group.
Description of the embodiments
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 2 and 3, the ground wire connector for railway cable construction comprises two identical wire boxes 1, wherein the wire boxes 1 are made of hard engineering plastics, rubber or ceramic materials, the two wire boxes 1 are attached up and down, at least two groups of screws penetrate through the two wire boxes 1 to close and fix the two wire boxes, three wire openings 11 are formed in the left side, the right side and the front side of the wire boxes 1, and after the two wire boxes 1 are attached, the corresponding wire openings 11 are in a circular shape;
as shown in fig. 3 and 4, two copper conductor plates 4 are respectively fixed on the joint surfaces of two wire boxes 1, a cylindrical through cavity is formed between the two conductor plates 4 corresponding to the left wire port 11 and the right wire port 11, a cylindrical cavity which is penetrated by a single end is formed between the two conductor plates 4 corresponding to the front wire port 11, the main wire 2 penetrates the wire ports 11 on the left side and the right side, a part of wire core is exposed by stripping the wire skin on the surface of the main wire 2, the exposed wire core is jointed in the cylindrical through cavity between the conductor plates 4, the branch wire 3 is inserted into the wire box 1 from the front wire port 11 and vertically points to the main wire 2, the wire core is exposed by stripping the end part of the branch wire 3, and the wire core is jointed in the cylindrical cavity of the conductor plates 4;
the wire core of the branch cable 3 is connected with the wire core of the main cable 2 into a whole through a conductor sheet 4 and is used for conducting current;
as shown in fig. 4, 6 and 7, a sealing component 5 is arranged in each wire opening 11, the sealing component 5 comprises a containing groove 57 arranged at the position of the wire opening 11, a movable cavity 54 vertically penetrating through the containing groove 57 is arranged in the wire box 1, an air bag strip 51 is adhered in the containing groove 57, the air bag strip 51 is made of soft rubber materials, the air bag strip 51 is internally inflated to be long, the positions of the main wire 2 and the branch wire 3 in the wire opening 11 are provided with wire covers, and the surfaces of the main wire 2 and the branch wire 3 are covered by the upper and lower air bag strips 51;
as shown in fig. 6 and 7, the extrusion piece comprises a propping piece 52 vertically sliding in a movable cavity 54, the propping piece 52 is arc-shaped and is adapted to the airbag strip 51, the propping piece 52 is coated and contacted with the outer arc-shaped surface of the airbag strip 51, a top column 56 is slid into the movable cavity 54 from the joint surface of the wire box 1, a tilted piece 55 is rotatably installed in the movable cavity 54, one end of the tilted piece 55 is contacted with the middle part of the propping piece 52, and the other end of the tilted piece 55 is contacted with the end of the top column 56;
the fin 55 is connected with the box 1 through the torsion spring, under the action of elastic force, one end of the fin 55, which is close to the abutting piece 52, contacts with the inner wall of the movable cavity 54, and one end, which is close to the jacking column 56, of the fin is extruded outwards to enable the jacking column 56 to protrude out of the joint surface of the box 1, when two boxes 1 are jointed and fixed, the jacking column 56 is compressed into the movable cavity 54, the jacking column 56 extrudes one end of the fin 55, the other end of the fin 55 extrudes the abutting piece 52, the abutting piece 52 linearly slides and extrudes the air bag strip 51, the air bag strip 51 flexibly clings to the surfaces of the main cable 2 and the branch cable 3, and sealing protection of the insertion positions of the main cable 2 and the branch cable 3 is realized;
the holding groove 57 is semicircular, two ends of the holding groove 57 penetrate through the joint surface of the wire box 1, the air bag strips 51 are adapted in the holding groove 57, and the upper air bag strip 51 and the lower air bag strip 51 can completely cover the main wire 2 and the branch wire 3 for one circle after being pressed.
The arc-shaped racks 53 are fixedly arranged at the edges of the abutting pieces 52, the surfaces of the arc-shaped racks 53 protruding out of the wire openings 11 are in contact with the wire skins of the main wire 2 and the branch wire 3, after the two wire boxes 1 are attached and fixed, the arc-shaped racks 53 follow the abutting pieces 52 to be extruded and moved by the fin 55, so that the surfaces of the convex wire openings 11 of the arc-shaped racks 53 are meshed with the wire skins of the main wire 2 and the branch wire 3, the positioning and the fixation of the wire skins of the main wire 2 and the branch wire 3 are realized, and the slipping of the main wire 2 and the branch wire 3 from the wire openings 11 is avoided.
Because the main cable 2 is the through connecting wire box 1, the slipping phenomenon is not easy to occur, and the branch cable 3 is the single-end connecting wire box 1, the connection stability is required to be enhanced, and the specific operation is as follows:
as shown in fig. 3 and 5, the cylindrical cavity of the conductor piece 4 adapted to the branch cable 3 is gradually enlarged from the front side port 11 to the rear, a first arc-shaped spring piece group 6 and a second arc-shaped spring piece group 7 are sequentially fixed on the surface of the lower conductor piece 4 from the front to the rear, the number of the second arc-shaped spring piece groups 7 is more than that of the first arc-shaped spring piece group 6, the first arc-shaped spring piece group 6 and the second arc-shaped spring piece group 7 are distributed in a nonlinear manner, for example, a first arc-shaped spring piece group 6 and two second arc-shaped spring piece groups 7 are arranged, the first arc-shaped spring piece group 6 and the second arc-shaped spring piece group 7 have the same structure and are composed of two outwards-arched spring pieces;
before the device is connected, the copper wire core of the branch cable 3 is divided into a plurality of strands, and the strands are sequentially wound on the outer sides of the first arched elastic sheet group 6 and the second arched elastic sheet group 7, so that the copper wire core of the branch cable 3 is formed into a continuous bending extension shape, and when the two wire boxes 1 are attached and fixed, the tops of the first arched elastic sheet group 6 and the second arched elastic sheet group 7 are extruded by the upper conductor sheet 4 to be outwards bent and deformed, so that the conductor sheet 4 extrudes and binds the copper wire core of the branch cable 3, and the connection and the fixation of the branch cable 3 are further enhanced.
The first arc-shaped elastic sheet group 6 and the second arc-shaped elastic sheet group 7 are made of copper alloy, the first arc-shaped elastic sheet group 6 and the second arc-shaped elastic sheet group 7 are connected with the conductor sheet 4 to form conductors for conducting current of the main cable 2 and the branch cable 3, and the contact area between the branch cable 3 and the conductors is enlarged by the first arc-shaped elastic sheet group 6 and the second arc-shaped elastic sheet group 7, so that the resistance is reduced.
Claims (7)
1. The utility model provides a railway cable construction is with ground wire joint ware which characterized in that includes:
the wire box (1) is provided with two wire boxes (1), the two wire boxes (1) penetrate through the screws to be attached and fixed up and down, three sides of the wire box (1) are provided with three wire openings (11), the main wire cable (2) penetrates through the two wire openings (11), and the end part of the branch wire cable (3) is vertically pointed to the main wire cable (2) through the other wire openings (11);
the conductor sheets (4) are fixed at the joint positions of the two wire boxes (1), the surface of the main wire (2) and the end parts of the branch wires (3) are provided with exposed wire cores which are contacted with the conductor sheets (4);
the sealing assembly (5), sealing assembly (5) are including seting up holding tank (57) at line mouth (11) position is provided with gasbag strip (51) in holding tank (57), and the cladding of gasbag strip (51) is in the non-naked position of main cable (2), branch cable (3), the inside movable chamber (54) that have vertical holding tank (57) of lining up that have of line box (1), be provided with the extrusion piece in movable chamber (54), extrusion piece to main cable (2), branch cable (3) direction extrusion gasbag strip (51).
2. The earth wire clamp for railway cable construction according to claim 1, characterized in that the extrusion comprises a supporting piece (52) vertically sliding in the movable cavity (54), the supporting piece (52) contacts the air bag strip (51), a jack post (56) is slidably inserted into the movable cavity (54) from the attaching face of the cable box (1), a fin (55) is rotated in the movable cavity (54), one end of the fin (55) contacts the middle part of the supporting piece (52), and the other end of the fin (55) contacts the end part of the jack post (56).
3. The earth wire clamp for railway cable construction according to claim 2, wherein the accommodating groove (57) is semicircular, both ends of the accommodating groove (57) penetrate through the joint surface of the wire box (1), and the airbag strip (51) is semicircular and is fitted in the accommodating groove (57).
4. The ground wire clamp connector for railway cable construction according to claim 2, wherein an arc-shaped rack (53) is fixed at the edge of the abutting piece (52), and the surface of the arc-shaped rack (53) protruding out of the wire opening (11) contacts the non-exposed parts of the main cable (2) and the branch cable (3).
5. The ground wire clamp connector for railway cable construction according to claim 3, wherein a first arc-shaped spring piece group (6) and a second arc-shaped spring piece group (7) are arranged at the position, close to the branch cable (3), of the conductor piece (4), the wire cores of the branch cable (3) are separated and wound on two sides of the first arc-shaped spring piece group (6) and the second arc-shaped spring piece group (7), and two ends of the first arc-shaped spring piece group (6) and the second arc-shaped spring piece group (7) are extruded by the conductor piece (4) distributed up and down, so that the wire cores of the branch cable (3) are extruded by the first arc-shaped spring piece group (6) and the second arc-shaped spring piece group (7) to expand towards two sides.
6. The earth wire clamp for railway cable construction of claim 5, wherein the first arcuate spring piece group (6) and the second arcuate spring piece group (7) have the same structure, the number of the second arcuate spring piece groups (7) is more than that of the first arcuate spring piece group (6), and the first arcuate spring piece group (6) and the second arcuate spring piece group (7) are distributed in a nonlinear manner.
7. The earth wire clamp connector for railway cable construction according to claim 6, wherein the first arched elastic sheet group (6) and the second arched elastic sheet group (7) are made of copper alloy, and one ends of the first arched elastic sheet group (6) and the second arched elastic sheet group (7) are fixedly connected with one conductor sheet (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310610811.2A CN116345372B (en) | 2023-05-29 | 2023-05-29 | Ground wire clamping connector for railway cable construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310610811.2A CN116345372B (en) | 2023-05-29 | 2023-05-29 | Ground wire clamping connector for railway cable construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116345372A true CN116345372A (en) | 2023-06-27 |
| CN116345372B CN116345372B (en) | 2023-12-19 |
Family
ID=86882685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310610811.2A Active CN116345372B (en) | 2023-05-29 | 2023-05-29 | Ground wire clamping connector for railway cable construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116345372B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117233437A (en) * | 2023-11-15 | 2023-12-15 | 武汉中溯测控技术有限公司 | Circuit detection device based on clamping type contact |
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| DE29811171U1 (en) * | 1998-06-23 | 1998-11-05 | Schuchardt Helmut Dipl Ing Fh | Device for attaching protective tubes |
| US20050252674A1 (en) * | 2004-05-17 | 2005-11-17 | Bruno Lanbach | Electrical junction |
| CN203787900U (en) * | 2014-03-24 | 2014-08-20 | 青岛理工大学 | Household simple junction box |
| CN204632952U (en) * | 2015-03-09 | 2015-09-09 | 济南新盛电子科技有限公司 | Coaxial cable branch socket |
| CN205670578U (en) * | 2016-05-12 | 2016-11-02 | 中山市恒信通电线有限公司 | A kind of cluster of lamps, ornamental terminal connecting structure |
| CN206471525U (en) * | 2017-02-22 | 2017-09-05 | 江苏海阳电力设备有限公司 | A kind of cable branch line |
| CN206471132U (en) * | 2017-02-22 | 2017-09-05 | 江苏海阳电力设备有限公司 | Cable branch line |
| CN207588617U (en) * | 2017-11-15 | 2018-07-06 | 江苏一东航空机械有限公司 | A kind of Wheel hub generator lead out wire sealing structure |
-
2023
- 2023-05-29 CN CN202310610811.2A patent/CN116345372B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29811171U1 (en) * | 1998-06-23 | 1998-11-05 | Schuchardt Helmut Dipl Ing Fh | Device for attaching protective tubes |
| US20050252674A1 (en) * | 2004-05-17 | 2005-11-17 | Bruno Lanbach | Electrical junction |
| CN203787900U (en) * | 2014-03-24 | 2014-08-20 | 青岛理工大学 | Household simple junction box |
| CN204632952U (en) * | 2015-03-09 | 2015-09-09 | 济南新盛电子科技有限公司 | Coaxial cable branch socket |
| CN205670578U (en) * | 2016-05-12 | 2016-11-02 | 中山市恒信通电线有限公司 | A kind of cluster of lamps, ornamental terminal connecting structure |
| CN206471525U (en) * | 2017-02-22 | 2017-09-05 | 江苏海阳电力设备有限公司 | A kind of cable branch line |
| CN206471132U (en) * | 2017-02-22 | 2017-09-05 | 江苏海阳电力设备有限公司 | Cable branch line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117233437A (en) * | 2023-11-15 | 2023-12-15 | 武汉中溯测控技术有限公司 | Circuit detection device based on clamping type contact |
| CN117233437B (en) * | 2023-11-15 | 2024-02-23 | 武汉中溯测控技术有限公司 | Circuit detection device based on clamping type contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116345372B (en) | 2023-12-19 |
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