CN202996447U - Insulator with safety guard - Google Patents
Insulator with safety guard Download PDFInfo
- Publication number
- CN202996447U CN202996447U CN 201220739212 CN201220739212U CN202996447U CN 202996447 U CN202996447 U CN 202996447U CN 201220739212 CN201220739212 CN 201220739212 CN 201220739212 U CN201220739212 U CN 201220739212U CN 202996447 U CN202996447 U CN 202996447U
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- CN
- China
- Prior art keywords
- insulator
- power line
- safety guard
- lower cover
- upper cover
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an insulator with a safety guard. The insulator is formed by an insulating rod, and several waterproof discs connected on the insulating rod, the bottom end of the insulating rod is provided with a metal screw and a fixed nut, and the top end of the insulating rod is provided with a power line clamping plate, the insulator is characterized in that, an insulating safety guard is installed at the external of the power line clamping plate at the top end of the insulator, two ends of the safety guard are provided with cylindrical power line ports for going-through of a power line and protruding outwards, and a conical sealing sleeve is sleeved at the external of each power line port. The insulator is advantageous in that, since the insulator is a part for fixedly supporting the power line for a power line pole, a transformer, etc., and a connecting part of the top end of the insulator and the power line is enclosed in the insulating safety guard, long-time erosion of outside rain and snow upon bare metal (the power line and the clamping plate, a fixed bolt) at the connecting part is prevented, long-term safety operation of the power circuit is guaranteed; and possibility of electric leakage at the bare connecting part is effectively eliminated.
Description
Technical field
The utility model relates to a kind of insulator that safety guard is housed, and is used for power transmission and transformation line fixed support power line on electric line pole and transformer etc.
Background technology
Existing insulator generally is comprised of insulating rod and several water-proof plates that are connected on this insulating rod, be provided with metal screw and hold-down nut in the bottom of insulating rod, top at insulating rod is provided with, and the power line of tape insulation skin needs the peeling bolted at power line clamping plate places.Its shortcoming is: the junction of the power line clamping plate of power line and insulator is exposed, and sleet corrodes the corrosion damage that very easily causes the junction for a long time; Also easily electric leakage of exposed junction in addition.
Summary of the invention
The utility model aims to provide a kind of insulator that safety guard is housed, and exposed with the junction of the power line clamping plate of insulator to solve the power line that prior art exists, sleet corrodes the corrosion damage that very easily causes the junction for a long time; Exposed junction is the problem of electric leakage easily.
The technical solution of the utility model is: a kind of insulator that safety guard is housed, this insulator is comprised of insulating rod and several water-proof plates that are connected on this insulating rod, be provided with metal screw and hold-down nut in the bottom of insulating rod, be provided with the power line clamping plate on the top of insulating rod, it is characterized in that, the safety guard of one insulation is installed outside the power line clamping plate on described insulator top, be provided with at the two ends of this safety guard be used to passing power line, and outwardly columnar power line mouth, at this power line mouth overcoat, conical sealing shroud arranged.
Described isolation safety cover by upper cover and lower cover up and down relative fastening form, this lower cover is relatively fastened by two identical lower covers half left and right and forms; The main body of this upper cover is box-like structure, is provided with the upper cover half slot at the main body of this upper cover relative two ends; Be provided with the top cap edge fit in the main body of this upper cover following both sides, be provided with the upper cover installing hole on this top cap edge fit;
This lower cover that two lower covers, half one forms be shaped as small end rectangular pyramid down, be provided with insulating rod in the lower end of lower cover central authorities and pass the hole; Two ends in the upper end of lower cover are provided with the lower cover half slot corresponding with described upper cover half slot, the described power line mouth of this upper cover half slot formation relative to the lower cover half slot; Both sides in the upper end of lower cover are provided with the lower cover fillet corresponding with described top cap edge fit, are provided with the lower cover installing hole corresponding with described upper cover installing hole on this lower cover fillet.
Be equipped with mutually forming columnar semi-cylindrical shaped protuberance at the root of described upper cover half slot and lower cover half slot, the outer radius of this semi-cylindrical shaped protuberance is slightly larger than the outer radius of power line mouth; Top at described upper cover half slot and lower cover half slot is provided with the footpath outward flange, the described sealing shroud of suit on this footpath outward flange, and the bottom of sealing cover is enclosed within on this footpath outward flange.
Butt joint edge at the half-cylindrical protuberance of described upper cover and lower cover is provided with guide rail and the guide groove that mutually is slidably matched and pegs graft.
Described sealing shroud is comprised of several grades of undergauge round platforms, and the sealing cover is made by rubber,
Interface between two described lower cover half ones is provided with the step that mutually coincide.
Described power line clamping plate comprise base plate, top board and clamping plate bolt, and the bottom surface of base plate is connected with the top of described insulating rod; Top board be located at base plate above, the middle part between top board and base plate is provided with arc groove, top board and base plate four jiaos respectively mutually fastening by a clamping plate bolt.
Described base plate and top board are ellipse, establish four through holes on this top board, establish four screws corresponding with this through hole at base plate, and the through hole that passes on top board with described clamping plate bolt is connected with the screw of base plate.
Described safety guard adopts transparent or opaque plastics is made.
The utility model has the advantages that: be the parts of the fixed support power lines such as electric line pole and transformer due to insulator, the junction of insulator top and power line is enclosed in the safety guard of an insulation, avoid the long-time erosion of the extraneous sleet metal exposed to the junction (power line and clamping plate, set bolt), guaranteed the operation of power circuit long-term safety; Also effectively stopped the possibility of exposed junction electric leakage.
Description of drawings
Fig. 1 is general assembly structural front view of the present utility model.
Fig. 2 is the left view (safety guard is analysed and observe) of Fig. 1;
Fig. 3 is the front view of insulator of the present utility model;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is general structure (the not containing sealing shroud) schematic diagram of the utility model safety guard;
Fig. 6 is a left side (right side) view of Fig. 5;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the front view of the upper cover of the utility model safety guard;
Fig. 9 is a left side (right side) view of Fig. 8;
Figure 10 is the upward view of Fig. 9;
Figure 11 is the front view of lower cover half one of the utility model safety guard;
Figure 12 is the left view of Figure 11;
Figure 13 is the rearview of Figure 11;
Figure 14 is the vertical view (two lower cover half combination) of Figure 12;
Figure 15 is the front view that the utility model safety guard lower cover half interface is provided with step;
Figure 16 is the cross-sectional view at two lower covers, half interface place.
Embodiment
Referring to Fig. 1～Figure 16, a kind of insulator that safety guard is housed of the utility model, comprise insulator 7 and safety guard P, this insulator 7 is comprised of insulating rod 77 and several water-proof plates 78 that are connected on this insulating rod, be provided with metal screw 80 and hold-down nut 79 in the bottom of insulating rod 77, be provided with the power line clamping plate on the top of insulating rod 77, these power line clamping plate comprise base plate 76, top board 74 and clamping plate bolt 73 (being metal material), and the bottom surface of base plate 76 is connected with the top of described insulating rod 77.Top board 74 be located at base plate 76 above, middle part between top board 74 and base plate 76 is provided with arc groove 75 (being used for clamping fixedly power line 8), top board 74 and base plate 76 four jiaos respectively by a clamping plate bolt 73 fastening (establish through hole on top board 74, base plate 76 is established screw) mutually.Described base plate 76 and top board 74 are ellipse, and ellipse both can increase the length of arc groove 75, and then increase the contact area of base plate 76 and top board 74 and power line 8, also reduce the space that the power line clamping plate take, and save raw material.
The safety guard P of one insulation is installed outside the power line clamping plate on described insulator 7 tops, be provided with at the two ends of this safety guard P be used to passing power line, and outwardly columnar power line mouth 9 (referring to Fig. 6), at these power line mouth 9 overcoats, conical sealing shroud 4 (part that belongs to safety guard P) arranged.Described safety guard P adopts transparent plastic (opaque also can) to make with injection moulding process.
Described isolation safety cover P by upper cover 1 and lower cover 2 up and down relative fastening form, this lower cover 2 is relatively fastened by two identical lower covers half left and right and forms.The main body of this upper cover 1 is box-like structure,
Be provided with upper cover half slot 14 at the main body of this upper cover 1 relative two ends; Be provided with top cap edge fit 12 in the main body of this upper cover 1 following both sides, be provided with upper cover installing hole 16 on this top cap edge fit 12.
This lower cover 2 that two lower covers, half one forms be shaped as small end rectangular pyramid down, be provided with insulating rod in the lower end of lower cover 2 central authorities and pass hole 24; An end of half one (each lower cover) is provided with the lower cover half slot 22 corresponding with described upper cover half slot 14, the upper cover half slot 14 power line mouth 9 that be configured for pass power line 8 relative to lower cover half slot 22 at the two ends of the upper end of lower cover 2.Both sides in the upper end of lower cover 2 are provided with the lower cover fillet 21 corresponding with described top cap edge fit 12, are provided with the lower cover installing hole 25 corresponding with described upper cover installing hole 16 on this lower cover fillet 21.During installation, screw 3 is passed upper cover installing hole 16 and lower cover installing hole 25, be connected (nut can embed in lower cover installing hole 25) with nut.
Root at described upper cover half slot 14 is provided with semi-cylindrical shaped protuberance 17; Root at lower cover half slot 22 is provided with 26, two semi-cylindrical shaped protuberances 17 of semi-cylindrical shaped protuberance and 22 composition cylindrical shapes, and its external diameter is slightly larger than the external diameter of power line mouth 9.Be respectively equipped with footpath outward flange 141 and 221 at this upper cover half slot 14 and lower cover half slot 22 tops, the conical rubber sealing boot 6 of suit (is comprised of several grades of undergauge round platforms on this footpath outward flange, referring to Fig. 1), the bottom of sealing shroud 6 is enclosed within on this footpath outward flange.
Both sides at the half-cylindrical protuberance 17 of described upper cover 1 are provided with guide rail 15, are provided with on the both sides of the half-cylindrical protuberance 26 of lower cover 2 guide groove 23 that mutually is slidably matched and pegs graft with guide rail 15.The position of guide rail 15 and guide groove 23 can exchange.
Also can be provided with the step (tongue and groove) 27 that mutually coincide by the interface between two described lower cover half ones, increase sealing (referring to Figure 12 and Figure 13).
At first the utility model covers upper cover 1 on the power line clamping plate when mounted, and makes the power line 8 at power line clamping plate two ends be positioned at half-cylindrical protuberance 17 and the upper cover half slot 14 at upper cover 1 two ends; Then lower cover half one is docked respectively at the two ends below upper cover 1, the guide rail 15 of upper cover 1 and the guide groove 23 of lower cover 2 is plugged in together mutually, and two lower cover half ones are docked mutually; Fastening at upper cover installing hole 16 and lower cover installing hole 25 use screws (and nut) 3 subsequently, rubber sealing boot 4 (can in advance power line 8 be passed rubber sealing boot 4) is installed at last.
Claims (9)
1. insulator that safety guard is housed, this insulator is comprised of insulating rod and several water-proof plates that are connected on this insulating rod, be provided with metal screw and hold-down nut in the bottom of insulating rod, be provided with the power line clamping plate on the top of insulating rod, it is characterized in that, the safety guard of one insulation is installed outside the power line clamping plate on described insulator top, be provided with at the two ends of this safety guard be used to passing power line, and outwardly columnar power line mouth, at this power line mouth overcoat, conical sealing shroud arranged.
2. the insulator that safety guard is housed according to claim 1, is characterized in that, described isolation safety cover by upper cover and lower cover up and down relative fastening form, this lower cover is relatively fastened by two identical lower covers half left and right and forms; The main body of this upper cover is box-like structure, is provided with the upper cover half slot at the main body of this upper cover relative two ends; Be provided with the top cap edge fit in the main body of this upper cover following both sides, be provided with the upper cover installing hole on this top cap edge fit;
This lower cover that two lower covers, half one forms be shaped as small end rectangular pyramid down, be provided with insulating rod in the lower end of lower cover central authorities and pass the hole; Two ends in the upper end of lower cover are provided with the lower cover half slot corresponding with described upper cover half slot, the described power line mouth of this upper cover half slot formation relative to the lower cover half slot; Both sides in the upper end of lower cover are provided with the lower cover fillet corresponding with described top cap edge fit, are provided with the lower cover installing hole corresponding with described upper cover installing hole on this lower cover fillet.
3. the insulator that safety guard is housed according to claim 2, it is characterized in that, be equipped with mutually forming columnar semi-cylindrical shaped protuberance at the root of described upper cover half slot and lower cover half slot, the outer radius of this semi-cylindrical shaped protuberance is slightly larger than the outer radius of power line mouth; Top at described upper cover half slot and lower cover half slot is provided with the footpath outward flange, the described sealing shroud of suit on this footpath outward flange, and the bottom of sealing cover is enclosed within on this footpath outward flange.
4. the insulator that safety guard is housed according to claim 3, is characterized in that, is provided with at the butt joint edge of the half-cylindrical protuberance of described upper cover and lower cover guide rail and the guide groove that mutually is slidably matched and pegs graft.
5. the insulator that safety guard is housed according to claim 3, is characterized in that, described sealing shroud is comprised of several grades of undergauge round platforms, and the sealing cover is made by rubber.
6. the insulator that safety guard is housed according to claim 2, is characterized in that, the interface between two described lower cover half ones is provided with the step that mutually coincide.
7. the insulator that safety guard is housed according to claim 1, is characterized in that, described power line clamping plate comprise base plate, top board and clamping plate bolt, and the bottom surface of base plate is connected with the top of described insulating rod; Top board be located at base plate above, the middle part between top board and base plate is provided with arc groove, top board and base plate four jiaos respectively mutually fastening by a clamping plate bolt.
8. the insulator that safety guard is housed according to claim 7, it is characterized in that, described base plate and top board are ellipse, establish four through holes on this top board, establish four screws corresponding with this through hole at base plate, the through hole that passes on top board with described clamping plate bolt is connected with the screw of base plate.
9. the insulator that safety guard is housed according to claim 1, is characterized in that, described safety guard adopts transparent or opaque plastics is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739212 CN202996447U (en) | 2012-12-31 | 2012-12-31 | Insulator with safety guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220739212 CN202996447U (en) | 2012-12-31 | 2012-12-31 | Insulator with safety guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996447U true CN202996447U (en) | 2013-06-12 |
Family
ID=48567593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220739212 Expired - Fee Related CN202996447U (en) | 2012-12-31 | 2012-12-31 | Insulator with safety guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996447U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751074A (en) * | 2012-07-23 | 2012-10-24 | 刘进生 | Anti-theft rain and snow preventive transparent insulating safety hood for jointing clamp of transformer |
| KR101834357B1 (en) * | 2015-12-11 | 2018-03-05 | 이종호 | Cover for Insulator |
| CN111584171A (en) * | 2020-05-22 | 2020-08-25 | 刘敏洁 | Composite cross arm insulator |
-
2012
- 2012-12-31 CN CN 201220739212 patent/CN202996447U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751074A (en) * | 2012-07-23 | 2012-10-24 | 刘进生 | Anti-theft rain and snow preventive transparent insulating safety hood for jointing clamp of transformer |
| KR101834357B1 (en) * | 2015-12-11 | 2018-03-05 | 이종호 | Cover for Insulator |
| CN111584171A (en) * | 2020-05-22 | 2020-08-25 | 刘敏洁 | Composite cross arm insulator |
| CN111584171B (en) * | 2020-05-22 | 2021-09-21 | 东营市南方电器有限责任公司 | Composite cross arm insulator |
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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: 20130612 Termination date: 20171231 |