CN110034422B - Cable connector for power transmission and distribution below rated voltage 35kV - Google Patents
Cable connector for power transmission and distribution below rated voltage 35kV Download PDFInfo
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- CN110034422B CN110034422B CN201910350074.0A CN201910350074A CN110034422B CN 110034422 B CN110034422 B CN 110034422B CN 201910350074 A CN201910350074 A CN 201910350074A CN 110034422 B CN110034422 B CN 110034422B
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- sleeve
- cable
- insulating sleeve
- shell
- insulating
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- 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
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
- H01R9/0503—Connection between two cable ends
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- 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
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
- H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
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- 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
- H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
- H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
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- Cable Accessories (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a cable connector for power transmission and distribution below a rated voltage of 35kV, which belongs to the technical field of cable connection and comprises a shell, a fixed sleeve, an insulating sleeve, a conductive block and connecting sleeves, wherein two ends of the conductive block are respectively connected with one connecting sleeve, one cable is inserted into each of the two connecting sleeves, the two cables are electrically conducted through the conductive block, the insulating sleeve is wrapped on the outer layers of the conductive block and the connecting sleeves, the shell is arranged on the outer side of the insulating sleeve, and the shell is fixedly connected with the fixed sleeve. The cable inserting device is suitable for cables of different sizes, high in universality, convenient to operate and capable of keeping stable cable connection, and the inserting state of the cable is convenient to observe.
Description
Technical Field
The invention relates to the technical field of cable connection, in particular to a cable connector for power transmission and distribution below rated voltage 35 kV.
Background
Need lay the cable inlet wire when power supply system establishes, lay when the distance of cable is great, need connect two cables through cable connector, current cable connector has following problem: 1. the universality is poor, and the cable is only suitable for one corresponding cable; 2. the existing cable joints are mostly of an integral non-detachable structure, are connected at one time and are not beneficial to later maintenance and repeated use; 3. the cable joint is easy to loosen, so that the safety problem is caused; 4. the wiring operation is complicated, and the installer is not convenient to observe the insertion state of the cable.
Patent No. CN 101699670B discloses a female joint of a coaxial cable connector, comprising: the coaxial cable comprises a central conductor, an insulator and an outer conductor, wherein the central conductor is provided with a concave jack and a deep hole for inserting an inner conductor of the coaxial cable; the insulator is a circular ring with a through hole in the center, and the outer diameter of the front end part of the insulator is smaller than that of the rear end part; the outer conductor is divided into a front section, a middle section and a rear section, the front section is provided with an annular socket facing the front end, the inner diameter of the rear section is used for inserting a coaxial cable, the inner diameter of the front section is the same as that of the middle section and is matched with the outer diameter of the rear end part of the insulator, the inner surface of the middle section is transited to the inner surface of the rear section through a first step, the inner diameter of a through hole of the insulator is matched with the outer diameter of a concave jack of the central conductor, the central conductor can be integrally inserted into the through hole of the insulator, and a contracted compensation groove is. The invention meets the existing technical standard, the central conductor is completely inserted into the through hole of the insulator from the rear end and is firmly fixed, and the assembly is more convenient. However, the invention does not allow visual inspection of the cable termination connections and is not suitable for connecting cables of different sizes.
The patent with publication number CN100384026C is a cable plug connector, which is improved on the basis of original shell and jacket, i.e. the jacket can move along the axial direction of the shell in a limited manner, and a connecting sleeve is also arranged between the shell and the jacket, the connecting sleeve comprises a ring body sleeved on the shell and a plurality of concentrically distributed elastic arc pieces axially extending from the ring body to the opening side of the jacket and inclining towards the outside, the outer peripheral surface of the free end of each elastic arc piece is respectively provided with a flange gradually transiting to the outer surface of the flange, and the inner peripheral surface of the free end of each elastic arc piece is provided with an internal thread. When in connection, the outer sleeve is pushed axially to force the free ends of the elastic arc pieces to fold inwards, so that the inner threads of the elastic arc pieces are meshed with the outer threads on the socket. The invention can not solve the problems that the universality is poor, the cable connector is only suitable for one corresponding cable, the installation personnel cannot conveniently observe the insertion state of the cable, the cable connector is easy to loosen and the like.
Disclosure of Invention
In view of the above, the present invention provides a cable connector for power transmission and distribution with rated voltage below 35kV, which is suitable for cables with different sizes, has strong versatility, is convenient to observe the insertion state of the cable, is convenient to operate, and can keep the cable connection stable.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a cable connector for transmission and distribution below rated voltage 35kV, includes shell, fixed cover, insulating cover, conducting block and adapter sleeve, one is all connected at the conducting block both ends the adapter sleeve, two a cable all pegs graft in the adapter sleeve, two cables pass through the conducting block electrical property switches on, insulating cover is established the conducting block with the adapter sleeve is outer, the insulating cover outside sets up the shell, the shell with fixed cover is connected fixedly.
Furthermore, one end of the connecting sleeve, which is close to the conductive block, is provided with an observation hole, and the other end of the connecting sleeve is connected with an elastic clamping piece through threads.
Furthermore, the elastic clamping piece comprises a connecting ring in threaded connection with the end part of the connecting sleeve, elastic clamps are uniformly distributed on the inner side of the connecting ring along the circumferential direction, and the elastic clamps are arranged in the connecting sleeve.
Furthermore, the insulating sleeve is provided with a through opening seam along the axial direction, a pressing block matched with the observation hole is installed on the inner side of the insulating sleeve, and the pressing block is connected with the inner wall of the insulating sleeve through a compression spring.
Furthermore, the upper end and the lower end of the opening seam of the insulating sleeve are connected in a clamping mode through a protrusion and a groove.
Further, the fixing sleeve and the shell are connected through threads.
Further, the use method of the cable connector for power transmission and distribution with the rated voltage of below 35kV comprises the following steps:
(1) the end head of one cable sequentially passes through the shell and the insulating sleeve and is inserted into the first connecting sleeve, the end head of the other cable sequentially passes through the fixed sleeve and the insulating sleeve and is inserted into the second connecting sleeve, the opening seam of the insulating sleeve corresponds to the position of the observation hole, the compression spring and the compression block open the opening seam, the position of the end head of the inserted cable is observed through the observation hole, and the elastic clamp is used for clamping the inserted cable to prevent the cable from loosening;
(2) then the insulating sleeve is rotated, so that the pressing block enters the connecting sleeve through the observation hole, the compression spring and the pressing block are matched to further press the cable end, and an opening seam of the insulating sleeve is closed; then, the shell is moved along the cable to be sleeved on the outer side of the insulating sleeve, then the fixing sleeve is moved along the other cable to be sleeved on the other side of the insulating sleeve, and the fixing sleeve is in threaded connection with the shell.
Compared with the prior art, the invention has the following beneficial effects:
when the cable connector for power transmission and distribution below the rated voltage of 35kV is used, two cables need to be connected, wherein the end of one cable sequentially passes through the shell and the insulating sleeve and is inserted into the first connecting sleeve, the end of the other cable sequentially passes through the fixed sleeve and the insulating sleeve and is inserted into the second connecting sleeve, the two connecting sleeves are electrically conducted through the conductive block, the end parts of the two connecting sleeves are respectively provided with the elastic clamping piece, and a plurality of elastic clamps are uniformly distributed on the inner side of the connecting ring of the elastic clamping piece along the circumferential direction to fix the cables, so that the cable connector can be suitable for connecting cables with different sizes and has strong universality;
observation holes are formed in the connecting positions of the two connecting sleeves and the conductive block, the insulating sleeve is provided with a through opening seam along the axial direction, the opening seam of the insulating sleeve corresponds to the position of the observation holes, the opening seam is opened by the compression spring and the compression block, the position of a cable end inserted into the insulating sleeve is observed through the observation holes, after the cable end is confirmed to be in contact with the conductive block, the insulating sleeve is rotated, the compression block enters the connecting sleeves through the observation holes, the compression spring and the compression block are matched to further compress the cable end, the opening seam of the insulating sleeve is closed, so that the two cables are firmly connected, the fixing sleeve and the shell are screwed and fixed through threads, and the protection performance of the cable connector is improved;
the cable connector is simple to operate and stable in connection, and solves the problems that the existing cable connector is poor in universality, the cable connector is easy to loosen, the cable connector is connected at one time, and later-period maintenance and repeated use are not facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the insulating sleeve of the present invention;
3 FIG. 3 3 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 2 3; 3
Fig. 4 is a schematic structural view of the connecting sleeve of the invention;
the cable comprises a shell 1, a fixing sleeve 2, an insulating sleeve 3, a conductive block 4, a connecting sleeve 5, an observation hole 6, a cable 7, an elastic clamp 8, an elastic clamping piece 9, a compression spring 10 and a compression block 11.
Detailed Description
In order to better understand the present invention, the following examples are further provided to clearly illustrate the contents of the present invention, but the contents of the present invention are not limited to the following examples. In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details.
Example one
As shown in fig. 1, a cable connector for transmission and distribution below rated voltage 35kV, including shell 1, fixed cover 2, insulating bush 3, conducting block 4 and adapter sleeve 5, one is all connected at 4 both ends of conducting block the adapter sleeve 5, two a cable 7 all pegs graft in the adapter sleeve 5, two cables 7 pass through 4 electrical conduction of conducting block, insulating bush 5 package is established conducting block 4 with the 5 outer layers of adapter sleeve, 5 outside settings of insulating bush shell 1, shell 1 with fixed cover 2 is connected fixedly.
According to the cable connector for power transmission and distribution below the rated voltage of 35kV, two cables need to be connected, the end of one cable sequentially passes through the shell and the insulating sleeve and is inserted into the first connecting sleeve, the end of the other cable sequentially passes through the fixed sleeve and the insulating sleeve and is inserted into the second connecting sleeve, the two cables are electrically conducted through the conducting block, the insulating sleeve wraps the conducting block and the outer layer of the connecting sleeve to play an insulating protection role, the safety performance of the cable connector is guaranteed, the shell and the fixed sleeve are arranged outside the insulating sleeve, and the protection performance of the cable connector is improved.
Example two
As shown in fig. 1-4, a cable connector for transmission and distribution below rated voltage 35kV, including shell 1, fixed cover 2, insulating sleeve 3, conducting block 4 and adapter sleeve 5, one is all connected at conducting block 4 both ends adapter sleeve 5, two a cable 7 all pegs graft in adapter sleeve 5, two cables 7 pass through conducting block 4 electrical property switches on, insulating sleeve 5 package is established conducting block 4 with the 5 outer layers of adapter sleeve, the 5 outside of insulating sleeve sets up shell 1, shell 1 with fixed cover 2 is connected fixedly.
The cable connector for power transmission and distribution with the rated voltage of below 35kV in the embodiment of the invention is different from the first embodiment in that: one end of the connecting sleeve 5, which is close to the conductive block 4, is provided with an observation hole 6, and the other end is connected with an elastic clamping piece 9 through threads;
the elastic clamping piece 9 comprises a connecting ring in threaded connection with the end part of the connecting sleeve 5, elastic clamps 8 are uniformly distributed on the inner side of the connecting ring along the circumferential direction, the elastic clamps 8 are arranged in the connecting sleeve, and the number of the elastic clamps 8 is 4;
the insulating sleeve 3 is provided with a through opening seam along the axial direction, a pressing block 11 matched with the observation hole is installed on the inner side of the insulating sleeve 3, and the pressing block 11 is connected with the inner wall of the insulating sleeve 3 through a compression spring 10.
In the embodiment of the invention, after the cable is inserted into the connecting sleeve, the 4 elastic clamps can clamp the cable to prevent the cable from loosening, the cable clamp can clamp cables with different sizes tightly, has wide application range, the two connecting sleeves are provided with observation holes at the connecting positions with the conductive blocks, the insulation sleeve is provided with a through opening seam along the axial direction, the opening seam of the insulation sleeve corresponds to the observation hole, the compression spring and the compression block open the opening seam, the position of the end of the inserted cable is observed through the observation hole, after the contact between the end of the cable and the conductive block is confirmed, the insulating sleeve is rotated to enable the pressing block to enter the connecting sleeve through the observation hole, the compression spring and the compression block are matched to further compress the cable end, and the opening seam of the insulating sleeve is closed, so that the two cables are firmly connected.
EXAMPLE III
As shown in fig. 1 to 4, the cable connector for power transmission and distribution with a rated voltage of less than 35kV according to the embodiment of the present invention is different from the first and second embodiments in that: the upper end and the lower end of the opening seam of the insulating sleeve 5 are clamped and connected through the bulges and the grooves, and the opening seam of the insulating sleeve 5 can be tighter through the butt joint of the bulges and the grooves, so that the insulating property is ensured; the fixed sleeve 2 is connected with the shell 1 through threads, and operation is convenient.
Example four
As shown in fig. 1-4, a cable connector for transmission and distribution below rated voltage 35kV, including shell 1, fixed cover 2, insulating sleeve 3, conducting block 4 and adapter sleeve 5, one is all connected at conducting block 4 both ends adapter sleeve 5, two a cable 7 all pegs graft in adapter sleeve 5, two cables 7 pass through conducting block 4 electrical property switches on, insulating sleeve 5 package is established conducting block 4 with the 5 outer layers of adapter sleeve, the 5 outside of insulating sleeve sets up shell 1, shell 1 with fixed cover 2 is connected fixedly.
One end of the connecting sleeve 5, which is close to the conductive block 4, is provided with an observation hole 6, and the other end is connected with an elastic clamping piece 9 through threads;
the elastic clamping piece 9 comprises a connecting ring in threaded connection with the end part of the connecting sleeve 5, elastic clamps 8 are uniformly distributed on the inner side of the connecting ring along the circumferential direction, the elastic clamps 8 are arranged in the connecting sleeve, and the number of the elastic clamps 8 is 4;
the insulating sleeve 3 is provided with a through opening seam along the axial direction, a pressing block 11 matched with the observation hole is installed on the inner side of the insulating sleeve 3, and the pressing block 11 is connected with the inner wall of the insulating sleeve 3 through a compression spring 10.
The use method of the embodiment of the invention comprises the following steps: (1) the end head of one cable sequentially passes through the shell and the insulating sleeve and is inserted into the first connecting sleeve, the end head of the other cable sequentially passes through the fixed sleeve and the insulating sleeve and is inserted into the second connecting sleeve, the opening seam of the insulating sleeve corresponds to the position of the observation hole, the compression spring and the compression block open the opening seam, the position of the end head of the inserted cable is observed through the observation hole, and the elastic clamp is used for clamping the inserted cable to prevent the cable from loosening;
(2) then the insulating sleeve is rotated, so that the pressing block enters the connecting sleeve through the observation hole, the compression spring and the pressing block are matched to further press the cable end, and an opening seam of the insulating sleeve is closed; then, the shell is moved along the cable to be sleeved on the outer side of the insulating sleeve, then the fixing sleeve is moved along the other cable to be sleeved on the other side of the insulating sleeve, and the fixing sleeve is in threaded connection with the shell.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The utility model provides a cable connector that is used for following power transmission and distribution of rated voltage 35kV which characterized in that: the cable connector comprises a shell, a fixed sleeve, an insulating sleeve, a conductive block and connecting sleeves, wherein two ends of the conductive block are respectively connected with one connecting sleeve, a cable is inserted in each of the two connecting sleeves, the two cables are electrically conducted through the conductive block, the insulating sleeve is wrapped on the outer layers of the conductive block and the connecting sleeves, the shell is arranged on the outer side of the insulating sleeve, and the shell is fixedly connected with the fixed sleeve; the connecting sleeve is provided with an observation hole at one end close to the conductive block, the other end of the connecting sleeve is connected with an elastic clamping piece through threads, the insulating sleeve is provided with a through opening seam along the axial direction, a pressing block matched with the observation hole is installed on the inner side of the insulating sleeve, the pressing block is connected with the inner wall of the insulating sleeve through a compression spring, and the upper end and the lower end of the opening seam of the insulating sleeve are clamped and connected through a bulge and a groove.
2. The cable connector according to claim 1, for power transmission and distribution with a rated voltage of 35kV or less, wherein: the elastic clamping piece comprises a connecting ring in threaded connection with the end part of the connecting sleeve, elastic clamps are uniformly distributed on the inner side of the connecting ring along the circumferential direction, and the elastic clamps are arranged in the connecting sleeve.
3. The cable connector according to claim 1, for power transmission and distribution with a rated voltage of 35kV or less, wherein: the fixed sleeve is connected with the shell through threads.
4. The method of using the cable connector for power transmission and distribution with the rated voltage of below 35kV according to claim 1, wherein the cable connector comprises: the method comprises the following steps:
(1) the end head of one cable sequentially passes through the shell and the insulating sleeve and is inserted into the first connecting sleeve, the end head of the other cable sequentially passes through the fixed sleeve and the insulating sleeve and is inserted into the second connecting sleeve, the opening seam of the insulating sleeve corresponds to the position of the observation hole, the compression spring and the compression block open the opening seam, the position of the end head of the inserted cable is observed through the observation hole, and the elastic clamp is used for clamping the inserted cable to prevent the cable from loosening;
(2) then the insulating sleeve is rotated, so that the pressing block enters the connecting sleeve through the observation hole, the compression spring and the pressing block are matched to further press the cable end, and an opening seam of the insulating sleeve is closed; then, the shell is moved along the cable to be sleeved on the outer side of the insulating sleeve, then the fixing sleeve is moved along the other cable to be sleeved on the other side of the insulating sleeve, and the fixing sleeve is in threaded connection with the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350074.0A CN110034422B (en) | 2019-04-28 | 2019-04-28 | Cable connector for power transmission and distribution below rated voltage 35kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910350074.0A CN110034422B (en) | 2019-04-28 | 2019-04-28 | Cable connector for power transmission and distribution below rated voltage 35kV |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110034422A CN110034422A (en) | 2019-07-19 |
| CN110034422B true CN110034422B (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910350074.0A Active CN110034422B (en) | 2019-04-28 | 2019-04-28 | Cable connector for power transmission and distribution below rated voltage 35kV |
Country Status (1)
| Country | Link |
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| CN (1) | CN110034422B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5542861A (en) * | 1991-11-21 | 1996-08-06 | Itt Corporation | Coaxial connector |
| US5660565A (en) * | 1995-02-10 | 1997-08-26 | Williams; M. Deborah | Coaxial cable connector |
| CN104485527A (en) * | 2014-12-18 | 2015-04-01 | 高雅 | Main electrical insulation structure of superconducting cable |
| CN206697617U (en) * | 2017-05-31 | 2017-12-01 | 廊坊芳远新合电气有限公司 | Cable connector applied to below rated voltage 35kV power transmission and distribution |
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2019
- 2019-04-28 CN CN201910350074.0A patent/CN110034422B/en active Active
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| CN110034422A (en) | 2019-07-19 |
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