CN202940552U - Insulation device for cable branch box - Google Patents
Insulation device for cable branch box Download PDFInfo
- Publication number
- CN202940552U CN202940552U CN 201220244583 CN201220244583U CN202940552U CN 202940552 U CN202940552 U CN 202940552U CN 201220244583 CN201220244583 CN 201220244583 CN 201220244583 U CN201220244583 U CN 201220244583U CN 202940552 U CN202940552 U CN 202940552U
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- Prior art keywords
- seal
- branch box
- cable branch
- insulating body
- cable
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Abstract
The utility model discloses an insulation device for a cable branch box, which comprises an insulating body, wherein the insulating body is a hollow cylinder, the inner side of the front end of the insulating body is an inner conical surface matched with an outer conical surface of a sleeve of the cable branch box, and the inner side of the rear end of the insulating body is an inner conical surface matched with an outer conical surface of a rear connector of the cable branch box. According to the utility model, the rear end of the insulation device for the cable branch box can be expanded to connect a rear connector, and the overall horizontal size of the insulation device is the same as that of a standard front connector structure, thereby ensuring a cable to be identical to that before construction after resetting, and not influencing the service life of the cable and the cable branch box.
Description
Technical field
The utility model relates to a kind of annex of the insulation for cable branch box, particularly a kind ofly is applicable to the seal on the power cable branch box sleeve pipe in the 10kV distribution engineering.
Background technology
The mode of connection of 10kV cable branch box is comprised of structure as shown in Figure 1.In structure shown in Fig. 1, power cable is connected with cable branch box sleeve pipe 1 by front connector 10, and front connector 10 afterbodys can continue to connect rear joint 11, with the number of connection of cable on the expansion cable feeder pillar.
But, in actual power construction, the phenomenon that often there will be operating front connector 10 cables to remove in advance than rear joint 11 cables, or a cable branch box side cable complete removal wherein, and the opposite side cable will continue situation of operation etc.
Current known solution is exactly that the cable that continues operation again is made as to front connector 10 or is used cable branch box special isolation cap by rear joint 11.And above-mentioned way has not only increased construction cost and engineering time, but also can not well solve all problems in reality, so practicality is poor.
As mentioned above, when cable branch box when wherein a front connector cable is removed prior to rear adapter lead, rear adapter lead that need its homonymy is adjacent is made as front connector again can be continued to be connected with cable branch box, construction cost and engineering time have not only been increased thus, but also likely occur that indivedual cable bodies and cable branch box sleeve pipe can not vertically arranged problems, thereby cause cable sideling to produce twisting resistance to sleeve pipe, cause the sleeve pipe slight crack, quick-friedly fall, affect cable branch box useful life.And when a cable branch box side cable complete removal wherein, when the opposite side cable must continue operation, can only solve problem by installing cables feeder pillar special isolation cap, but the not reserved electrical verification of existing insulator cap position is unfavorable for the follow-up maintenance of cable branch box.
The utility model content
Based on this, be necessary defect and deficiency for prior art, a kind of seal for cable branch box is provided, described seal has good insulated enclosure effect, corrosion-resistant and security performance is high.
A kind of seal for cable branch box for realizing that the utility model purpose provides, comprise insulating body;
The cylinder that described insulating body is hollow, the inboard of described insulating body front end is the inner conical surface coordinated with the sleeve pipe male cone (strobilus masculinus) of cable branch box, the inboard of described insulating body rear end is the inner conical surface coordinated with the rear joint male cone (strobilus masculinus) of cable branch box.
In embodiment, described insulating body comprises internal shield, insulating barrier and outer shielding layer therein, and described internal shield is arranged on the inside of described insulating barrier, and described outer shielding layer is arranged on the outside of described insulating barrier.
In embodiment, described seal also comprises insulating plug therein, and described insulating plug matches with the inner conical surface of described insulating body rear inside, and described insulating plug is arranged on the rear end of described insulating body.
In embodiment, described seal also comprises the insulation sealing cap therein, and described insulation sealing cap is arranged on an end of described insulating plug.
In embodiment, described insulating plug comprises the electrical verification position therein, and described electrical verification position is arranged on the afterbody of described insulating plug.
In embodiment, described seal also comprises stud therein;
Described stud comprises the first linkage section and the second linkage section, and described the first linkage section and the second linkage section are cylindrical structure, and the radius of the cylindrical structure of the first linkage section is greater than the radius of the cylindrical structure of the second linkage section;
Described the first linkage section coaxially is connected with the second linkage section;
Described stud is arranged on described insulating body inside, and an end of described stud is connected with the sleeve pipe of cable branch box, and the other end of described stud is connected or is connected with described insulating plug with the copper connecting rod of joint after the expansion cable feeder pillar.
In embodiment, described stud two ends arrange spiral therein.
In embodiment, described seal also comprises earth connection therein, and described earth connection connects described insulating body.
For a kind of cable branch box of realizing that the utility model purpose also provides, comprise sleeve pipe, seal and a plurality of interconnective rear joint, described sleeve pipe connects described seal, and described seal connects described a plurality of interconnective rear joints;
Described seal is the seal for cable branch box described in the utility model.
The beneficial effects of the utility model:
The utility model can be expanded and connect rear joint for the rear end of the seal of cable branch box, and its whole lateral dimension is identical with standard front connector structure, thereby guarantees that cable is front consistent with construction after resetting, and does not affect the useful life of cable and cable branch box.
Because seal of the present utility model has been reserved the electrical verification position, thereby facilitated follow-up construction, maintenance, security performance improves greatly.
Seal of the present utility model has thoroughly solved in esse construction problem, and full-insulated full-sealed, and non-maintaining corrosion-resistant, the scope of application is wider.
The accompanying drawing explanation
In order to make the utility model clearer for purpose, technical scheme and the advantage of the seal of cable branch box, below in conjunction with concrete drawings and the specific embodiments, the seal to the utility model for cable branch box is further elaborated.
The connection diagram that Fig. 1 is the 10kV cable branch box mode of connection;
Fig. 2 is the structural representation of the utility model for the seal of cable branch box;
Fig. 3 is that the utility model connects the connection diagram of rear joint for the seal of cable branch box;
Fig. 4 is that the utility model connects the connection diagram of cable branch box sleeve pipe for the seal of cable branch box.
Embodiment
An embodiment of the seal for cable branch box of the present utility model, as shown in Figure 2, comprise insulating body 3, stud 2, insulating plug 5, insulation sealing cap 6 and earth connection 4, described insulating body 3 is comprised of internal shield 7, insulating barrier 8 and outer shielding layer 9 respectively from the inside to the outside, adopt three layers of so rubber combined moulding, described insulating body 3 skins form shielding by earth connection 4 ground connection later, thereby charged touch while realizing work improves its security performance greatly.
Described insulating body 3 rear ends are expandable structure, can continue to connect rear joint 11, with the number of connection of cable on the expansion cable feeder pillar.
Preferably, as an embodiment, described insulating body 3 rear ends are provided with insulating plug 5, and outer cover has insulation sealing cap 6, and this full-enclosed structure can prevent that the cable branch box sleeve pipe from being corroded, thereby extends its useful life.
Further, as an embodiment, in order to overhaul conveniently, insulating plug 5 afterbodys leave the electrical verification position, and the workmen can carry out electrical verification by the bolt of insulating plug afterbody, thereby has improved the fail safe of operation.
Preferably, as an embodiment, described stud 2 comprises the first linkage section and the second linkage section, and described the first linkage section and the second linkage section are cylindrical structure, and the radius of the cylindrical structure of the first linkage section is greater than the radius of the cylindrical structure of the second linkage section;
Described the first linkage section coaxially is connected with the second linkage section;
Described stud 2 is arranged on described insulating body 3 inside, one end of described stud 2 is connected with the sleeve pipe 1 of cable branch box, and the other end of described stud 2 is connected with the copper connecting rod of joint 11 after the expansion cable feeder pillar or is connected with described insulating plug 5.
Preferably, as an embodiment, described stud 2 two ends arrange spiral.
Preferably, as an embodiment, the utility model cable branch box, comprise sleeve pipe 1, seal and a plurality of interconnective rear joint 11, and described sleeve pipe 1 connects described seal, and described seal connects described a plurality of interconnective rear joints 11; Described seal is the described seal for cable branch box of the utility model embodiment.
As shown in Figure 3, the insulating body 3 of the present embodiment is enclosed within on cable branch box sleeve pipe 1 by stud 2, first-class bolt, and fastening nut, then insert insulating body 3 rear ends by rear joint 11, in rear joint 11 rear ends, loads onto insulating plug 5, builds insulation sealing cap 6.
As shown in Figure 4, when cable branch box, wherein after a side cable complete removal, the insulating body 3 of the present embodiment is enclosed within on cable branch box sleeve pipe 1 and loads onto insulating plug 5 in insulating body 3 rear ends by stud 2, builds insulation sealing cap 6.
The utility model can be expanded and connect rear joint 11 for the rear end of the seal of cable branch box, and its whole lateral dimension is identical with standard front connector 10 structures, thereby guarantees that cable is front consistent with construction after resetting, and does not affect the useful life of cable and cable branch box.
Because seal of the present utility model has been reserved the electrical verification position, thereby facilitated follow-up construction, maintenance, security performance improves greatly.
Seal of the present utility model has thoroughly solved in esse construction problem, and full-insulated full-sealed, and non-maintaining corrosion-resistant, the scope of application is wider.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (9)
1. the seal for cable branch box, is characterized in that, comprises insulating body;
The cylinder that described insulating body is hollow, the inboard of described insulating body front end is the inner conical surface coordinated with the sleeve pipe male cone (strobilus masculinus) of cable branch box, the inboard of described insulating body rear end is the inner conical surface coordinated with the rear joint male cone (strobilus masculinus) of cable branch box.
2. the seal for cable branch box according to claim 1, it is characterized in that, described insulating body comprises internal shield, insulating barrier and outer shielding layer, and described internal shield is arranged on the inside of described insulating barrier, and described outer shielding layer is arranged on the outside of described insulating barrier.
3. the seal for cable branch box according to claim 1, it is characterized in that, described seal also comprises insulating plug, and described insulating plug matches with the inner conical surface of described insulating body rear inside, and described insulating plug is arranged on the rear end of described insulating body.
4. the seal for cable branch box according to claim 3, is characterized in that, described seal also comprises the insulation sealing cap, and described insulation sealing cap is arranged on an end of described insulating plug.
5. the seal for cable branch box according to claim 3, is characterized in that, described insulating plug comprises the electrical verification position, and described electrical verification position is arranged on the afterbody of described insulating plug.
6. the seal for cable branch box according to claim 3, is characterized in that, described seal also comprises stud;
Described stud comprises the first linkage section and the second linkage section, and described the first linkage section and the second linkage section are cylindrical structure, and the radius of the cylindrical structure of the first linkage section is greater than the radius of the cylindrical structure of the second linkage section;
Described the first linkage section coaxially is connected with the second linkage section;
Described stud is arranged on described insulating body inside, and an end of described stud is connected with the sleeve pipe of cable branch box, and the other end of described stud is connected or is connected with described insulating plug with the copper connecting rod of joint after the expansion cable feeder pillar.
7. the seal for cable branch box according to claim 6, is characterized in that, described stud two ends arrange spiral.
8. according to the described seal for cable branch box of claim 1 to 7 any one, it is characterized in that, described seal also comprises earth connection, and described earth connection connects described insulating body.
9. a cable branch box, is characterized in that, comprises sleeve pipe, seal and a plurality of interconnective rear joint, and described sleeve pipe connects described seal, and described seal connects described a plurality of interconnective rear joints;
Described seal is to the described seal for cable branch box of claim 8 any one as claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244583 CN202940552U (en) | 2012-05-29 | 2012-05-29 | Insulation device for cable branch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244583 CN202940552U (en) | 2012-05-29 | 2012-05-29 | Insulation device for cable branch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940552U true CN202940552U (en) | 2013-05-15 |
Family
ID=48324775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220244583 Expired - Fee Related CN202940552U (en) | 2012-05-29 | 2012-05-29 | Insulation device for cable branch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940552U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762529A (en) * | 2014-02-20 | 2014-04-30 | 宁波甬城配电网建设有限公司 | Cable sheath |
| CN103812060A (en) * | 2014-02-21 | 2014-05-21 | 国网湖南省电力公司带电作业中心 | Adapter substitute for cable branch box |
| CN103944133A (en) * | 2014-04-04 | 2014-07-23 | 国家电网公司 | Cable connector for cable branch box |
| CN104852344A (en) * | 2015-04-22 | 2015-08-19 | 国家电网公司 | Electric connection/lap joint component of European-style cable branch box |
| CN104901037A (en) * | 2015-06-30 | 2015-09-09 | 国家电网公司 | Power cable connecting terminal combined member |
| CN104993435A (en) * | 2015-06-30 | 2015-10-21 | 国家电网公司 | Cable branch box wall bushing and tandem assembly thereof |
| CN106532294A (en) * | 2016-12-01 | 2017-03-22 | 广西电网有限责任公司南宁供电局 | Cable distribution box terminal conversion device and manufacturing method thereof |
| CN108199203A (en) * | 2018-03-23 | 2018-06-22 | 深圳市光辉电器实业有限公司 | A kind of cable connector connector for being used for wind-powered electricity generation or photovoltaic apparatus |
-
2012
- 2012-05-29 CN CN 201220244583 patent/CN202940552U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762529A (en) * | 2014-02-20 | 2014-04-30 | 宁波甬城配电网建设有限公司 | Cable sheath |
| CN103762529B (en) * | 2014-02-20 | 2016-08-17 | 宁波甬城配电网建设有限公司 | A kind of cable cover(ing) |
| CN103812060A (en) * | 2014-02-21 | 2014-05-21 | 国网湖南省电力公司带电作业中心 | Adapter substitute for cable branch box |
| CN103812060B (en) * | 2014-02-21 | 2015-03-25 | 国网湖南省电力公司带电作业中心 | Adapter substitute for cable branch box |
| CN103944133A (en) * | 2014-04-04 | 2014-07-23 | 国家电网公司 | Cable connector for cable branch box |
| CN104852344A (en) * | 2015-04-22 | 2015-08-19 | 国家电网公司 | Electric connection/lap joint component of European-style cable branch box |
| CN104852344B (en) * | 2015-04-22 | 2017-04-12 | 国家电网公司 | Electric connection component of European-style cable branch box |
| CN104901037A (en) * | 2015-06-30 | 2015-09-09 | 国家电网公司 | Power cable connecting terminal combined member |
| CN104993435A (en) * | 2015-06-30 | 2015-10-21 | 国家电网公司 | Cable branch box wall bushing and tandem assembly thereof |
| CN104993435B (en) * | 2015-06-30 | 2017-06-16 | 国家电网公司 | Cable branch box wall bushing and its part that is combined through series connection |
| CN106532294A (en) * | 2016-12-01 | 2017-03-22 | 广西电网有限责任公司南宁供电局 | Cable distribution box terminal conversion device and manufacturing method thereof |
| CN108199203A (en) * | 2018-03-23 | 2018-06-22 | 深圳市光辉电器实业有限公司 | A kind of cable connector connector for being used for wind-powered electricity generation or photovoltaic apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20160529 |