CN109066117B - Novel branch cable - Google Patents
Novel branch cable Download PDFInfo
- Publication number
- CN109066117B CN109066117B CN201810697828.5A CN201810697828A CN109066117B CN 109066117 B CN109066117 B CN 109066117B CN 201810697828 A CN201810697828 A CN 201810697828A CN 109066117 B CN109066117 B CN 109066117B
- Authority
- CN
- China
- Prior art keywords
- cable
- branch
- trunk
- length
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
Abstract
The invention discloses a novel branch cable, and belongs to the technical field of cable construction. The sinle silk of cable trunk and the sinle silk of a plurality of branch trunk cables in the cable branch set up respectively in two jacks that link to each other cylinder connects, and two jacks communicate each other, realize being connected of cable trunk and cable branch, compress tightly in the jack that the cylinder connects through compressing tightly the sinle silk of subassembly with cable trunk and the sinle silk of a plurality of branch trunk cables in the cable branch, the sinle silk that makes cable trunk and the sinle silk of a plurality of branch trunk cables in the cable branch realize effective connection, the effective connection and the protection of three are realized to the sleeve pipe module. And (3) removing the sleeve module, adjusting the pressing assembly to disassemble the core wire of the branch cable from the connector, and replacing the cable branches with different lengths to obtain the cable with the length required by the construction site. And cable trunk and cable branch all do not receive the damage, repeatedly usable has practiced thrift the resource, and the number of cable branch also can be adjusted according to actual conditions, uses in a flexible way.
Description
Technical Field
The invention relates to the technical field of cable construction, in particular to a novel branch cable.
Background
The branch cable is widely applied to a main line of high-voltage power supply and distribution, and at present, the branch cable used in the market is mainly a prefabricated branch cable.
However, the prefabricated branch cable has a high requirement on the accuracy of the manufactured length of the cable, and cannot be changed after being manufactured, and if the length specification of the prefabricated branch cable or the number of cable branches of the prefabricated branch cable is found to be not satisfactory in field installation, the prefabricated branch cable needs to be manufactured again, so that the prefabricated branch cable is inconvenient to manufacture and can cause resource waste.
Disclosure of Invention
The embodiment of the invention provides a novel branch cable, which can be flexibly manufactured, has better universality and saves resources. The technical scheme is as follows:
the embodiment of the invention provides a novel branch cable, which comprises a cable trunk, cable branches, a connecting body and a sleeve module,
the cable branch comprises a plurality of branch cables,
the connecting body comprises two coaxially connected cylindrical joints, jacks are arranged on the two cylindrical joints, the jacks on the two cylindrical joints are mutually communicated, the wire core of the main cable is inserted into one jack of one cylindrical joint, the wire core of each branch cable is inserted into the jack of the other cylindrical joint,
the connecting body also comprises a pressing component, the pressing component is used for pressing and fixing the wire core of the cable trunk and the wire core of the branch cable in the cylindrical joint,
the sleeve module is used for fixedly connecting the cable trunk, the cable branches and the connecting body together.
Optionally, the compressing assembly comprises a compressing sliding plate, a sealing element and a limiting structure, a groove is formed in the inner wall of the jack, the compressing sliding plate is arranged in the groove along the radial direction of the cylindrical joint in a slidable mode, the limiting structure is used for limiting the compressing sliding plate to be separated from the groove, the sealing element is arranged on the outer edge of the compressing sliding plate, the sealing element is clamped between the compressing sliding plate and the inner wall of the groove, an interface is arranged on the cylindrical joint, and the interface is communicated with the space between the compressing sliding plate and the bottom of the groove.
Optionally, a conductive plate is disposed between the insertion hole of the one cylindrical joint and the insertion hole of the other cylindrical joint.
Optionally, a guide block is arranged on the compression sliding plate, a guide groove is formed in the side wall of the groove, the guide block is arranged in the guide groove in a sliding mode, and the sealing element is arranged between the guide block and the guide groove.
Optionally, the hydraulic oil is a flame resistant hydraulic oil.
Optionally, the bushing module includes a high-voltage insulating tube and a high-voltage heat-shrinkable tube, the high-voltage insulating tube is coaxially sleeved on the connector, the high-voltage heat-shrinkable tube is coaxially sleeved on the high-voltage insulating tube, the length of the high-voltage heat-shrinkable tube is greater than that of the high-voltage insulating tube, the length of the high-voltage insulating tube is greater than that of the connector, and the midpoint of the axis of the high-voltage insulating tube, the midpoint of the axis of the high-voltage heat-shrinkable tube, and the midpoint of the axis of the connector are all on the same plane.
Optionally, a sealing filler pipe is arranged between the high-voltage insulating pipe and the high-voltage heat-shrinkable pipe, the length of the sealing filler pipe is between the length of the high-voltage heat-shrinkable pipe and the length of the high-voltage insulating pipe, and a midpoint of an axis of the sealing filler pipe and a midpoint of an axis of the high-voltage heat-shrinkable pipe are on the same plane.
Optionally, the difference between the length of the high voltage insulation tube and the length of the connector ranges from 25 mm to 35 mm.
Optionally, the difference between the length of the sealing filling tube and the length of the connecting body ranges from 20 mm to 30 mm.
Optionally, the material of the connecting body is the same as the material of the conductive plate.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the sinle silk of cable trunk and the sinle silk of a plurality of branch trunk cables in the cable branch set up respectively in two jacks that link to each other cylinder connects, and two jacks communicate each other, realize being connected of cable trunk and cable branch, compress tightly in the jack that the cylinder connects through compressing tightly the sinle silk of subassembly with cable trunk and the sinle silk of a plurality of branch trunk cables in the cable branch, the sinle silk that makes cable trunk and the sinle silk of a plurality of branch trunk cables in the cable branch realize effective connection, the effective connection and the protection of three are realized to the sleeve pipe module. Through demolising the sleeve pipe module, adjust and compress tightly the sinle silk of subassembly with propping up the trunk cable and unpack apart from the connector, change the cable branch of different length and can obtain the cable of the required length of job site. And cable trunk and cable branch all do not receive the damage, repeatedly usable has practiced thrift the resource, and the number of cable branch also can be adjusted according to actual conditions, uses in a flexible way.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below,
fig. 1 is a schematic structural diagram of a novel branch cable provided by an embodiment of the present invention;
FIG. 2 is a sectional view taken along line A of FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
fig. 4 is a schematic view of the assembly of the guide block and the guide groove provided in the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a novel branch cable according to an embodiment of the present invention. It should be noted in advance that, in the embodiment of the present invention, the cable trunk 1 includes a core 11 of the cable trunk 1, an insulating layer 12 of the cable trunk 1, and an outer sheath 13 of the cable trunk 1, which are coaxially disposed, the outer sheath 13 of the cable trunk 1 is sleeved on the insulating layer 12 of the cable trunk 1, and the insulating layer 12 of the cable trunk 1 is sleeved on the core 11 of the cable trunk 1. The trunk cable 21 in the cable branch 2 has a structure similar to that of the cable main 1, and the trunk cable 21 includes a core 211 of the trunk cable 21, an insulating layer (not shown) of the trunk cable 21, and an outer sheath (not shown) of the trunk cable 21.
As shown in fig. 1, the novel branch cable includes a cable trunk 1, a cable branch 2, a connector 3 and a sleeve module 4. The cable branch 2 comprises a plurality of branch cables 21, the connector 3 comprises two coaxially connected cylindrical connectors 31, jacks 311 are arranged on the cylindrical connectors 31, the jacks 311 on the two cylindrical connectors 31 are mutually conducted, the cable core 11 of the cable trunk 1 is inserted into the jack 311 of one of the cylindrical connectors 31, and the cable core 211 of each branch cable 21 is inserted into the jack 311 of the other cylindrical connector 31.
The connector 3 further comprises a pressing component 32, and the pressing component 32 is used for pressing and fixing the wire core 11 of the cable trunk 1 and the wire core 211 of the trunk cable 21 in the cylindrical joint 31.
The sleeve module 4 is used for fixedly connecting the cable trunk 1, the cable branches 2 and the connecting body 3 together.
The sinle silk 11 of cable trunk 1 and the sinle silk 211 of a plurality of branch cable 21 in cable branch 2 set up respectively in two jacks 311 of two continuous cylinder joint 31, and two jacks 311 communicate each other, realize being connected of cable trunk 1 and cable branch 2, compress tightly in jack 311 of cylinder joint 31 through pressing tightly subassembly 32 with sinle silk 11 of cable trunk 1 and the sinle silk 211 of a plurality of branch cable 21 in cable branch 2, make sinle silk 11 of cable trunk 1 and the sinle silk 211 of a plurality of branch cable 21 in cable branch 2 realize effective connection, sleeve pipe module 4 realizes three's effective connection and protection. By removing the sleeve module 4, the adjusting and pressing assembly 32 detaches the core wire of the branch cable 21 from the connector 3, and the cable with the length required by the construction site can be obtained by replacing the cable branches 2 with different lengths. And cable trunk 1 and cable branch 2 all do not receive the damage, repeatedly usable has practiced thrift the resource, and the number of cable branch 2 also can be adjusted according to actual conditions, uses in a flexible way.
As shown in fig. 1, the bushing module 4 may include a high voltage insulating tube 41 and a high voltage heat shrinkable tube 42, the high voltage insulating tube 41 is coaxially sleeved on the connector 3, the high voltage heat shrinkable tube 42 is coaxially sleeved on the high voltage insulating tube 41, the length of the high voltage heat shrinkable tube 42 is greater than that of the high voltage insulating tube 41, the length of the high voltage insulating tube 41 is greater than that of the connector 3, and a midpoint of an axis of the high voltage insulating tube 41, a midpoint of an axis of the high voltage heat shrinkable tube 42, and a midpoint of an axis of the connector 3 are all on the same plane. Set up sleeve pipe module 4 into high voltage insulation pipe 41 and high pressure pyrocondensation pipe 42, and high voltage insulation pipe 41 respectively covers part cable trunk 1 and cable branch 2 about along length direction, can avoid this novel branch cable the condition of electric leakage to appear, and further, because high pressure pyrocondensation pipe 42 respectively covers part cable trunk 1 and cable branch 2 about along length direction, can guarantee that high pressure pyrocondensation pipe 42 effectively connects cable trunk 1, connector 3 and cable branch 2. And the effective use of the novel branch cable is ensured.
Optionally, a sealing filling tube 43 is disposed between the high-voltage insulating tube 41 and the high-voltage heat shrinkable tube 42, the length of the sealing filling tube 43 is between the length of the high-voltage heat shrinkable tube 42 and the length of the high-voltage insulating tube 41, and a midpoint of an axis of the sealing filling tube 43 is on the same plane as a midpoint of an axis of the high-voltage heat shrinkable tube 42. The arrangement of the sealing filling pipe 43 can avoid the occurrence of gaps in the novel branch cable, and the influence on the service performance of the novel branch cable is avoided.
Illustratively, the difference between the length of the high voltage insulating tube 41 and the length of the connecting body 3 may be in the range of 25 to 35 mm. The difference between the length of the high-voltage insulating tube 41 and the length of the connector 3 is set within this range, and the high-voltage insulating tube 41 can effectively prevent the leakage of electricity of the novel branch cable and avoid the waste of materials.
Further, the difference between the length of the sealing filling pipe 43 and the length of the connector 3 may be in the range of 20 to 30 mm. Setting the difference between the length of the sealing and filling tube 43 and the length of the connector 3 within this range can effectively fill the novel branch cable and avoid material waste.
Fig. 2 is a sectional view taken along the direction a of fig. 1, and with reference to fig. 1 and fig. 2, the pressing assembly 32 includes a pressing sliding plate 321, a sealing member 322, and a limiting structure 324, the inner wall of the insertion hole 311 is provided with a groove 325, the pressing sliding plate 321 is slidably disposed in the groove 325 along the radial direction of the cylindrical joint 31, the limiting structure 324 is used for limiting the pressing sliding plate 321 to be separated from the groove 325, the sealing member 322 is disposed on the outer edge of the pressing sliding plate 321, the sealing member 322 is interposed between the pressing sliding plate 321 and the inner wall of the groove 325, the cylindrical joint 31 is provided with an interface, and the interface 323 is communicated with the space.
Compress tightly slide 321 along the radial movement of cylindrical joint 31, through interface 323 to compressing tightly the space injection hydraulic oil between the bottom of slide 321 and recess 325 to compress tightly slide 321 and press to the sinle silk of cable trunk 1 and the sinle silk of cable branch 2, and compress tightly and be provided with sealing member 322 between the lateral wall of slide 321 and recess 325, avoid hydraulic oil 326 to permeate in the jack 311 and influence the work of cable trunk 1 and cable branch 2. The structure can realize the compaction of the wire core of the cable main body 1 and the wire core of the cable branch 2 by a simpler structure, and the structure is simple and compact and is easy to realize.
It should be noted that the core 211 of the branch cable 21 is not shown in fig. 2.
For example, the sealing member 322 may be a sealing ring disposed in the sealing groove 321a of the compression slide plate 321.
Alternatively, hydraulic oil 326 may be a flame resistant hydraulic oil. The flame-resistant hydraulic oil has a strong automatic flame extinguishing function. The use safety of the novel branch cable can be improved.
As shown in fig. 1, a conductive plate 312 is provided between the insertion holes 311 of the two cylindrical joints 31. The setting of conducting plate 312 can make the contact between the sinle silk of cable trunk 1 and the sinle silk of a plurality of branch cable 21 more stable, can guarantee the holistic stability in use of this novel branch cable.
Alternatively, the material of the connecting body 3 is the same as the material of the conductive plate 312. The material for manufacturing the connecting body 3 is the same as the material for manufacturing the conductive plate 312, which facilitates the manufacture of the entire connecting body 3.
The conductive plate 312 may be made of a material with a good conductivity, such as copper, silver, or copper alloy, which is not limited in the present invention.
Fig. 3 is an enlarged view of fig. 1 at B, and as shown in fig. 3, the limiting structure 324 may include a plurality of bars 324a disposed at the edge of the groove 325, the axis of the bar 324a is parallel to the axis of the cylindrical joint 31, one end of the bar 324a is connected to the sidewall of the groove 325 by a connecting rod 327, and the difference between the distance between the bar and the bottom of the groove 325 and the depth of the groove 325 is smaller than the thickness of the pressing sliding plate 321. This structure can easily restrict the pressing slider 321 from coming off the groove 325.
Fig. 4 is an assembly diagram of a guide block and a guide groove according to an embodiment of the present invention, as shown in fig. 4, a guide block 321b is disposed on a pressing sliding plate 321, a guide groove 325b is disposed on a side wall of a groove 325, the guide block 321b is slidably disposed in the guide groove 325b, and a sealing member 322 is disposed between the guide block 321b and the guide groove 325 b. Through the cooperation setting of guide block 321b and guide way 325b, guide block 321b slides in guide way 325b and can guarantee to compress tightly slide 321 and effectively slide in recess 325, guarantees to compress tightly slide 321 and can effectively compress tightly sinle silk 11 of cable trunk 1 and the sinle silk 211 of branch trunk cable 21.
It should be noted that the guide blocks 321b and 325b originally assembled and combined are illustrated separately in fig. 4 for easy viewing, but the states of the guide block 321b and the guide groove 325b in fig. 4 do not limit the present invention.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A novel branch cable is characterized by comprising a cable trunk, cable branches, a connecting body and a sleeve module,
the cable branch comprises a plurality of branch cables,
the connecting body comprises two coaxially connected cylindrical joints, jacks are arranged on the two cylindrical joints, the jacks on the two cylindrical joints are mutually communicated, the wire core of the main cable is inserted into one jack of one cylindrical joint, the wire core of each branch cable is inserted into the jack of the other cylindrical joint,
the connecting body also comprises a pressing component, the pressing component is used for pressing and fixing the wire core of the cable trunk and the wire core of the branch cable in the cylindrical joint,
the pressing assembly comprises a pressing sliding plate, a sealing element and a limiting structure, a groove is formed in the inner wall of the jack, the pressing sliding plate is arranged in the groove in a sliding mode along the radial direction of the cylindrical joint, the limiting structure is used for limiting the pressing sliding plate to be separated from the groove, the sealing element is arranged on the outer edge of the pressing sliding plate, the sealing element is clamped between the pressing sliding plate and the inner wall of the groove, an interface is arranged on the cylindrical joint and communicated with the space between the pressing sliding plate and the bottom of the groove, and the interface is used for injecting hydraulic oil into the space between the pressing sliding plate and the bottom of the groove,
the sleeve module is used for fixedly connecting the cable trunk, the cable branches and the connecting body together.
2. The novel branch cable of claim 1, wherein a conductive plate is disposed between the receptacle of the one cylindrical joint and the receptacle of the other cylindrical joint.
3. The novel branch cable according to claim 1, wherein the compression slide plate is provided with a guide block, the side wall of the groove is provided with a guide groove, the guide block is slidably disposed in the guide groove, and the sealing member is disposed between the guide block and the guide groove.
4. The novel branch cable of claim 1, wherein the hydraulic oil is a flame resistant hydraulic oil.
5. The novel branch cable according to any one of claims 1 to 4, wherein the bushing module comprises a high-voltage insulating tube and a high-voltage heat-shrinkable tube, the high-voltage insulating tube is coaxially sleeved on the connector, the high-voltage heat-shrinkable tube is coaxially sleeved on the high-voltage insulating tube, the length of the high-voltage heat-shrinkable tube is greater than that of the high-voltage insulating tube, the length of the high-voltage insulating tube is greater than that of the connector, and the midpoint of the axis of the high-voltage insulating tube, the midpoint of the axis of the high-voltage heat-shrinkable tube and the midpoint of the axis of the connector are all on the same plane.
6. The novel branch cable according to claim 5, wherein a sealing filler pipe is arranged between the high-voltage insulating pipe and the high-voltage heat-shrinkable pipe, the length of the sealing filler pipe is between the length of the high-voltage heat-shrinkable pipe and the length of the high-voltage insulating pipe, and the midpoint of the axis of the sealing filler pipe and the midpoint of the axis of the high-voltage heat-shrinkable pipe are on the same plane.
7. The novel branch cable of claim 6, wherein the difference between the length of the high voltage insulating tube and the length of the connector is in the range of 25-35 mm.
8. The novel branch cable of claim 6, wherein the difference between the length of the sealing filler tube and the length of the connector body is in the range of 20-30 mm.
9. The novel branch cable of claim 2 wherein the connecting body is made of the same material as the conductive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697828.5A CN109066117B (en) | 2018-06-29 | 2018-06-29 | Novel branch cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810697828.5A CN109066117B (en) | 2018-06-29 | 2018-06-29 | Novel branch cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109066117A CN109066117A (en) | 2018-12-21 |
| CN109066117B true CN109066117B (en) | 2020-05-19 |
Family
ID=64818402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810697828.5A Active CN109066117B (en) | 2018-06-29 | 2018-06-29 | Novel branch cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109066117B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115241821B (en) * | 2022-07-22 | 2023-08-11 | 武汉船用机械有限责任公司 | Branch cable protection device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1006692B (en) * | 1973-12-31 | 1976-10-20 | Amp Italia | CONNECTOR FOR COAXIAL CABLES |
| CN200953455Y (en) * | 2006-09-22 | 2007-09-26 | 宝山钢铁股份有限公司 | Electric cable heat-shrinkable middle joint |
| CN106025606A (en) * | 2016-06-27 | 2016-10-12 | 国网江苏省电力公司盐城供电公司 | Electric power fitting having relatively good anti-shedding performance |
| CN207149797U (en) * | 2017-06-16 | 2018-03-27 | 陕西理工大学 | Coaxial cable connection component |
| CN107196080A (en) * | 2017-06-23 | 2017-09-22 | 秉岳电气(上海)有限公司 | Cable connector |
| CN107611734A (en) * | 2017-09-15 | 2018-01-19 | 秉岳电气(上海)有限公司 | A kind of connector |
| CN107978879B (en) * | 2017-12-19 | 2023-05-09 | 苏州晗普新材料科技有限公司 | Heat-shrinkable soldering tin ring wiring with good high-temperature resistance and flame retardance |
-
2018
- 2018-06-29 CN CN201810697828.5A patent/CN109066117B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109066117A (en) | 2018-12-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101208832B (en) | Cable connector having fluid reservoir | |
| CN1825715B (en) | Connector assembly for devices or cables to an electric installation | |
| DE60033832T2 (en) | Connections and terminations for cables | |
| US5797761A (en) | Power connector assembly | |
| US20120097444A1 (en) | Method of splicing electrical cables | |
| IE901606L (en) | Plug-in connection for high voltage plastic cables | |
| CN109066117B (en) | Novel branch cable | |
| CN117374619B (en) | Waterproof cable | |
| AU2004223349B2 (en) | An electrical connection device | |
| US2876190A (en) | Duct anode | |
| US8333625B2 (en) | Electrical contact element for high-current plug connectors and manufacturing method | |
| CA2661245C (en) | Basic insulating plug and method of manufacture | |
| CN105987361A (en) | Junction box | |
| US2544430A (en) | Method of making shielded electrical conductors | |
| DE2625893C3 (en) | Single pole connector located at the end of a single core electrical cable | |
| CN109378605A (en) | Plug-in type cable connector | |
| CN211182766U (en) | Guiding and positioning mechanism for cable welding | |
| RU2264681C2 (en) | Cable extension-cord box for submersible-motor cable line | |
| CN208835374U (en) | Plug-in type cable connector | |
| CN209963294U (en) | Insulating sealing joint and connecting structure thereof | |
| KR20120090420A (en) | T-type elbow connector unit | |
| CN217741294U (en) | Novel stainless steel cable waterproof joint | |
| US20120276779A1 (en) | Device for connecting high voltage cables and joint box having the same | |
| RU136648U1 (en) | POWER ELECTRIC CONTACT | |
| CN220585539U (en) | Flexible connection wire harness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |