CN209963293U - Insulating branch clamp and branch line connector thereof - Google Patents
Insulating branch clamp and branch line connector thereof Download PDFInfo
- Publication number
- CN209963293U CN209963293U CN201920822839.1U CN201920822839U CN209963293U CN 209963293 U CN209963293 U CN 209963293U CN 201920822839 U CN201920822839 U CN 201920822839U CN 209963293 U CN209963293 U CN 209963293U
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- Prior art keywords
- branch
- hole
- clamp
- insulating
- protective cover
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- 239000002184 metal Substances 0.000 claims abstract description 48
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 239000011810 insulating material Substances 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 13
- 238000010276 construction Methods 0.000 abstract description 5
- 230000018199 S phase Effects 0.000 abstract description 2
- 230000007935 neutral effect Effects 0.000 abstract description 2
- 239000000565 sealant Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an insulating branch fastener, include, adopt insulating casing that insulating material made, the metal fastener that adopts conducting material to make, the metal fastener be used for electrically conducting branch line electricity core, branch electricity core intercommunication, the insulating casing set up at the metal fastener outside. The utility model also discloses an use the branch line connector that has above-mentioned insulating branch fastener. The utility model has better waterproof and moistureproof functions, and is particularly suitable for the connection of underground cables and the application in the occasions with flooding and moisture; use the utility model discloses, the wire need not to cut thread, electric power connection area of contact is big, the reliability is high, small, simple to operate, simple, quick, greatly reduced construction degree of difficulty and cost. The utility model discloses branch fastener can a plurality of combinations use, connects multicore cable's phase line, neutral conductor or earth connection respectively to draw many branch lines on the multicore line. The insulating shell can insulate the core cables and the connectors thereof from each other.
Description
Technical Field
The utility model relates to a connecting device of branch connecting line especially relates to an insulating branch fastener and branch line connector suitable for multicore insulation power cable.
Background
In the wire laying, installation and maintenance construction operation, the branch line is often required to be connected from the power main line cable, and the existing technical scheme mainly adopts cable winding connection, parallel groove wire clamps, Anpu wire clamps, puncture wire clamps and the like.
The winding connection is a traditional lead connection scheme, and is characterized in that after a section of insulation of a main line is stripped, a conductor of a branch line is wound on the main line conductor, and an insulating tape is wrapped outside to recover the insulation. Its advantages are flexible, simple and economic; the defects are that the influence of human factors is great, the connection reliability is poor, contact points are easy to loosen, virtual connection and heating are generated, the failure rate is high, and electrical fire accidents are easy to cause.
The parallel groove clamp and the ampere wire clamp are suitable for connecting single-core bare conductor cables, and are not suitable for being installed in a narrow operating space of a multi-core wire due to large volume and poor phase insulation on branch connection of a multi-core insulated cable.
The puncture wire clamp connection is realized by connecting two mutually insulated wires by puncturing a wire insulating layer by a metal tooth-shaped sheet conductor. The device has the advantages that the two mutually insulated conductor branches can be connected without stripping the conductor insulating layer, and the operation is simpler; the defects are that the number of puncture contact points with the lead is small, the effective contact cross-sectional area is small, the contact effect cannot be seen, the position of the contact point cannot be controlled, the stress is unbalanced due to the different sizes of the main cable and the branch cable, the contact pressure is unstable, the problems of virtual connection, heating, discharging, ignition and the like of the contact point are easily caused, and the failure rate is very high.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that an insulating branch fastener and branch line connector thereof are provided, its firm in connection, conductor current-carrying capacity are big, electric conductive property is good, compact structure, economy, installation convenient operation are convenient, the wire of joinable multiple diameter (stride footpath greatly), need not to cut the thread.
In order to achieve the above object, the utility model provides an insulating branch fastener, include, adopt insulating casing that insulating material made, the metal fastener that adopts conducting material to make, the metal fastener be used for electrically conducting branch line electricity core, branch electricity core intercommunication, the insulating casing set up at the metal fastener outside.
Preferably, the metal wire clamp comprises a wire clamp body, wherein a branch wiring hole, a wire pressing groove, a first pressing hole and a second pressing hole are formed in the wire clamp body, the second pressing hole is communicated with the wire pressing groove, and the first pressing hole is communicated with the branch wiring hole;
the branch line electric core which is conductive totally penetrates through the wire pressing groove, and the first screw penetrates through the second pressing hole and then is pressed with the branch line electric core;
the branch electric core is inserted in the branch wiring hole, and the second screw passes through the first pressing hole and then is pressed with the branch electric core to be conductive.
Preferably, an insulating shell is arranged on the insulating shell, a first mounting hole, a second mounting hole, an inner cavity of the insulating shell and a wiring through hole are formed in the insulating shell, the wiring through hole is communicated with the branch wiring hole, and the branch electric core penetrates through the wiring through hole and then is installed in the branch wiring hole; the inner cavity of the insulating shell is fixedly assembled with the metal wire clamp so as to fix the metal wire clamp.
Preferably, the metal wire clamp is further provided with a positioning groove and a wire clamp opening;
the insulation shell is provided with a lead-in port at the position corresponding to the wire clamp opening, and the insulation shell is also provided with a positioning rib assembled with a positioning groove;
the inner cavity of the insulating shell is internally provided with a limiting step, and the limiting step is matched with one end face of the metal wire clamp.
Preferably, the inner side of the inner cavity of the insulating shell is provided with a guide groove, the two ends of the inner cavity of the insulating shell are provided with limiting convex plates, the metal wire clamp is arranged in the inner cavity of the insulating shell between the two limiting convex plates, and the bottom of the metal wire clamp is assembled with the guide groove.
A branch line connector is applied to the insulating branch line clamp.
Preferably, the protection cover is composed of a first protection cover and a second protection cover;
the protective cover is internally provided with a bus clamp which is used for connecting the branch lead and the bus lead for conduction;
branch electric cores and branch electric cores are respectively arranged on the branch lead and the main lead, and the branch electric cores are communicated and conduct electricity through a main wire clamp; the main cable clamp at least comprises a branch cable clamp.
Preferably, the second protective cover is provided with a feeding half hole, and the feeding half hole of the first protective cover and the feeding half hole of the second protective cover jointly form a feeding hole.
Preferably, the two ends of the second protective cover are provided with sealing ends, the sealing end of the first protective cover and the sealing end of the second protective cover are respectively assembled with the outer walls of the branch lead and the main lead in a sealing mode through sealing pieces.
Preferably, the protective cover is filled with a sealant, and the sealant is made of insulating, waterproof and corrosion-resistant resin materials.
The utility model has the advantages that:
the utility model has better waterproof and moistureproof functions, and is particularly suitable for the connection of underground cables and the application in the occasions with flooding and moisture; use the utility model discloses, the wire need not to cut thread, electric power connection area of contact is big, the reliability is high, small, simple to operate, simple, quick, greatly reduced construction degree of difficulty and cost.
The utility model discloses branch fastener can a plurality of combinations use, connects multicore cable's phase line, neutral conductor or earth connection respectively to draw many branch lines on the multicore line. The insulating case can insulate the respective core cables (wire electric cores 201) and their connectors from each other. The insulating sealing device is adopted outside the multi-branch connection part, so that the whole branch line connector can achieve a good sealing and waterproof effect, and the device has high reliability particularly in buried connection, flooding and moisture combined application.
The utility model discloses a branch fastener is tens of times bigger than the metal contact surface of puncture fastener class branch fastener, and the electrical contact is reliable, need not to cut off the cable thread again, can not influence the thread electrical property, can simply, conveniently, draw forth the branch line reliably again, its small, quick installation, greatly reduced construction degree of difficulty and cost.
The utility model discloses connection of a set of or multiunit wire can be accomplished in branch line connector and branch line connector combination application to outside insulating casing, because its small and mutual insulation, makes things convenient for a plurality of combination to use, and the branch that is particularly useful for multicore insulated cable connects, and its cooperation has the insulating sealing device (for example: encapsulating formula waterproof sealing cover, insulating outer protecting cover etc.) use of better waterproof, insulating properties, is the excellent scheme of solving multicore insulated cable branch connection.
Drawings
Fig. 1 is a first structural diagram of a branch clamp (insulated branch clamp).
Fig. 2 is a first structural schematic diagram of the branch clamp.
Fig. 3 is a schematic view of a first structure of the branch clamp.
Fig. 4 is a schematic view of a first structure of the branch clamp.
Fig. 5 is a sectional view a-a in fig. 4.
Fig. 6 is a schematic view of a metal clip structure of a first configuration of branch clips.
Fig. 7 is a cross-sectional view a-a of fig. 4 of a wire clamp of a first configuration of a branch clamp.
Fig. 8 is a schematic view of the structure of the insulating housing of the first structure of the branch clamp.
Fig. 9 is a cross-sectional view a-a in fig. 4 of the insulating housing of the first construction of the branch clamp.
Fig. 10 is a second structure of the branch clamp.
Fig. 11 is a second structure of the branch clamp.
Fig. 12 is a second structure of the branch clamp.
Fig. 13 is a third structural schematic diagram of a branch clamp.
Fig. 14 is a schematic view of the structure of an insulation sealing branch line connector.
Fig. 15 is a schematic view of the structure of an insulation sealing branch line connector.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to fig. 14 to 15, the insulation sealing branch line connector of the present embodiment includes a protective cover, which is formed by a first protective cover 710 and a second protective cover 720, and the first protective cover 710 and the second protective cover 720 have the same structure;
a bus clamp 10 is arranged in the protective cover, and the bus clamp 10 is used for connecting the branch lead 6 and the bus lead 2 for conduction;
the second protective cover 720 is provided with a feeding half hole 722, two ends of the second protective cover are provided with sealing ends 721, and the feeding half hole of the first protective cover and the feeding half hole of the second protective cover form a feeding hole together; the sealant is added through the adding hole.
The sealing end of the first protective cover and the sealing end of the second protective cover are respectively in sealing assembly with the outer walls of the branch lead 6 and the main lead 2 through the sealing element 40, so that the interior of the protective cover is in a sealing state (the feeding hole is sealed through other structures), and the protective cover has a waterproof function.
The sealing member 40 is made of an elastic soft material, and can be an existing sealing ring or rubber ring.
A plurality of branch lines 202 are arranged in the main lead 2, the outsides of the plurality of branch lines 202 are wrapped and insulated through a main insulating layer 203, branch line electric cores 201 are arranged in the branch lines 202, and the branch line electric cores 201 are used for conducting electricity;
the branch lead 6 is externally provided with a branch insulating layer 602, internally provided with a branch electric core 601, and the branch electric core 601 is used for conducting electricity;
the branch electric cores 201 and the branch electric cores 601 are communicated and conduct electricity through the bus clamp 10.
The protective cover is also filled with a sealant 50, and the sealant is made of insulating, waterproof and corrosion-resistant resin materials. The design can increase the waterproof effect in the protective cover, and once water is immersed, the sealant can absorb moisture firstly.
The bus bar 10 includes at least one branch bar.
Referring to fig. 1 to 9, the illustrated structure is a first structural schematic diagram of a branch wire clamp, and includes an insulating shell 5 made of an insulating material and a metal wire clamp 1 made of a conductive material, where the metal wire clamp 1 is used to connect and conduct a branch wire core 201 and a branch wire core 601, the insulating shell 5 is disposed outside the metal wire clamp 1, on one hand, the metal wire clamp is fixed, and on the other hand, the outer wall of the metal wire clamp is subjected to insulation treatment.
The metal wire clamp 1 comprises a wire clamp body 105, wherein a branch wiring hole 104, a wire pressing groove 106, a first pressing hole 1021 and a second pressing hole 1022 are arranged on the wire clamp body 105, the second pressing hole 1022 is communicated with the wire pressing groove 106, and the first pressing hole 1021 is communicated with the branch wiring hole 104;
the branch electric core 201 of the total electric conduction 2 passes through the wire pressing groove 106, and the first screw 3 passes through the second pressing hole 1022 and then is pressed against the branch electric core 201, so that the branch electric core 201 is communicated with the metal wire clamp 1 for electric conduction;
the branch battery cell 601 is inserted into the branch wiring hole 104, and the second screw 4 penetrates through the first compressing hole 1021 to be compressed with the branch battery cell 601 for conduction. This makes the branch cell 201 and the branch cell 601 electrically conduct through the metal wire clamp.
The metal wire clamp 1 is further provided with a positioning groove 101 and a wire clamp opening 103, and the wire clamp opening 103 is mainly used for facilitating the branch wire electric core 201 to be installed in the wire pressing groove 106.
An insulating shell 502 is arranged on the insulating shell 5, a first mounting hole 5031, a second mounting hole 5032, an insulating shell inner cavity 504 and a wiring through hole 501 are arranged on the insulating shell 502, the wiring through hole 501 is communicated with the branch wiring hole 104, and the branch electric core 601 penetrates through the wiring through hole 501 and then is arranged in the branch wiring hole 104;
the inner cavity 504 of the insulating shell is fixedly assembled with the metal wire clamp 1 so as to fix the metal wire clamp 1.
Furthermore, an introduction port 505 is arranged at a position of the insulating housing 502 corresponding to the wire clamp opening 103, and the introduction port 505 is also convenient for the branch wire electric core 201 to be assembled with the wire pressing groove 106 after passing through.
The insulating housing 502 is further provided with a positioning rib 506 assembled with the positioning groove 101, and during installation, the positioning rib 506 assembled with the positioning groove 10 is assembled with the positioning groove 101 to position the metal wire clamp 1 in one direction.
The inner cavity 504 of the insulating shell is internally provided with a limiting step 507, and the limiting step 507 is matched with one end face of the metal wire clamp 1, so that the metal wire clamp is positioned in the other direction. Through positioning in two directions, the first mounting hole 5031 and the second mounting hole 5032 can be respectively communicated with the first pressing hole 1021 and the second pressing hole 1022, so that the first screw 3 and the second screw 4 can respectively pass through the first mounting hole 5031 and the second mounting hole 5032 to be assembled and fixed with the first pressing hole 1021 and the second pressing hole 1022. Preferably, the first screw 3 and the second screw 4 are threadedly engaged with the first compression hole 1021 and the second compression hole 1022, respectively.
Further, the first and second screws 3 and 4 are fitted into the first and second mounting holes 5031 and 5032 at their ends, so that the insulating case and the wire clip are prevented from being rotated in the circumferential direction thereof, that is, the wire clip is positioned from the third direction. Therefore, the metal wire clamp can be positioned in a three-axis mode, the metal wire clamp 1 can be effectively fixed, and the metal wire clamp 1 is accurately positioned when being installed.
Referring to fig. 10-12, a second structure of the branch clamp is shown, which is different from the first structure of fig. 1-9 in that:
the insulating shell 5 is not provided with a limiting step 507 and a positioning rib 506, and the metal wire clamp 1 is not provided with a positioning groove 101.
The inner side of the inner cavity 504 of the insulating shell is provided with a guide groove 52, the two ends of the inner cavity 504 of the insulating shell 502 are provided with limiting convex plates 51, the metal wire clamp 1 is arranged in the inner cavity 504 of the insulating shell between the two limiting convex plates 51, and the bottom of the metal wire clamp is assembled with the guide groove 52. The design carries out the positioning in the two axial directions on the metal wire clamp 1 through the guide groove 52 and the limiting convex plate 51, and the structure is simpler and the installation is more convenient. The metal wire clamp 1 can be fixed in an interference fit manner with the inner cavity 504 of the insulating shell.
Referring to fig. 13, the structure shown is a third structural schematic diagram of the branch wire clamp, which is different from the first structure and the second structure in that a plurality of branch wire clamps are combined into one assembly wire clamp 10, and each branch wire clamp is respectively communicated with one branch wire 202 and a branch wire 6 for conducting electricity, so that the plurality of branch wires 202 are respectively communicated with the corresponding branch wires 6 for conducting electricity, the wiring procedure can be greatly simplified, and the wiring is more standard.
The details of the present invention are well known to those skilled in the art.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (9)
1. The utility model provides an insulating branch fastener which characterized by: the cable clamp comprises an insulating shell made of insulating materials and a metal cable clamp made of conducting materials, wherein the metal cable clamp is used for communicating a branch line electric core and a branch line electric core for conducting electricity, and the insulating shell is arranged outside the metal cable clamp.
2. The insulated branch clamp of claim 1, wherein: the metal wire clamp comprises a wire clamp body, wherein a branch wiring hole, a wire pressing groove, a first pressing hole and a second pressing hole are formed in the wire clamp body, the second pressing hole is communicated with the wire pressing groove, and the first pressing hole is communicated with the branch wiring hole;
the branch line electric core which is conductive totally penetrates through the wire pressing groove, and the first screw penetrates through the second pressing hole and then is pressed with the branch line electric core;
the branch electric core is inserted in the branch wiring hole, and the second screw passes through the first pressing hole and then is pressed with the branch electric core to be conductive.
3. The insulated branch clamp of claim 2, wherein: the insulating shell is provided with an insulating shell body, the insulating shell body is provided with a first mounting hole, a second mounting hole, an inner cavity of the insulating shell body and a wiring through hole, the wiring through hole is communicated with the branch wiring hole, and the branch electric core penetrates through the wiring through hole and then is installed in the branch wiring hole; the inner cavity of the insulating shell is fixedly assembled with the metal wire clamp so as to fix the metal wire clamp.
4. The insulated branch clamp of claim 3, wherein: the metal wire clamp is also provided with a positioning groove and a wire clamp opening;
the insulation shell is provided with a lead-in port at the position corresponding to the wire clamp opening, and the insulation shell is also provided with a positioning rib assembled with a positioning groove;
the inner cavity of the insulating shell is internally provided with a limiting step, and the limiting step is matched with one end face of the metal wire clamp.
5. An insulated branch clamp according to any one of claims 1-3, characterized in that: the inner side of the inner cavity of the insulating shell is provided with a guide groove, the two ends of the inner cavity of the insulating shell are provided with limiting convex plates, the metal wire clamp is arranged in the inner cavity of the insulating shell between the two limiting convex plates, and the bottom of the metal wire clamp is assembled with the guide groove.
6. A branch line connector, characterized by: use of an insulated branch clamp according to any of claims 1 to 5.
7. The branch line connector of claim 6, wherein: the protective cover is composed of a first protective cover and a second protective cover;
the protective cover is internally provided with a bus clamp which is used for connecting the branch lead and the bus lead for conduction;
branch electric cores and branch electric cores are respectively arranged on the branch lead and the main lead, and the branch electric cores are communicated and conduct electricity through a main wire clamp; the main cable clamp at least comprises a branch cable clamp.
8. The branch line connector of claim 7, wherein: and the second protective cover is provided with a feeding half hole, and the feeding half hole of the first protective cover and the feeding half hole of the second protective cover jointly form a feeding hole.
9. The branch line connector of claim 7, wherein: and the two ends of the second protective cover are provided with a sealing end of the first protective cover and a sealing end of the second protective cover which are respectively assembled with the outer walls of the branch lead and the main lead in a sealing way through sealing pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822839.1U CN209963293U (en) | 2019-06-03 | 2019-06-03 | Insulating branch clamp and branch line connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920822839.1U CN209963293U (en) | 2019-06-03 | 2019-06-03 | Insulating branch clamp and branch line connector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209963293U true CN209963293U (en) | 2020-01-17 |
Family
ID=69246996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920822839.1U Expired - Fee Related CN209963293U (en) | 2019-06-03 | 2019-06-03 | Insulating branch clamp and branch line connector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209963293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265805A (en) * | 2019-06-03 | 2019-09-20 | 秉岳电气(上海)有限公司 | A kind of insulated branch wire clamp and its branch's wiring connector |
-
2019
- 2019-06-03 CN CN201920822839.1U patent/CN209963293U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265805A (en) * | 2019-06-03 | 2019-09-20 | 秉岳电气(上海)有限公司 | A kind of insulated branch wire clamp and its branch's wiring connector |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |