CN204517343U - A kind of lightning arrester - Google Patents
A kind of lightning arrester Download PDFInfo
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- CN204517343U CN204517343U CN201520184897.8U CN201520184897U CN204517343U CN 204517343 U CN204517343 U CN 204517343U CN 201520184897 U CN201520184897 U CN 201520184897U CN 204517343 U CN204517343 U CN 204517343U
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- wall
- lightning arrester
- clamping piece
- positioning convex
- arrester body
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Abstract
The utility model relates to a kind of lightning arrester, comprise lightning arrester body, it is characterized in that: the upper end of described lightning arrester body is embedded with upper clamping piece, the lower end of described lightning arrester body is embedded with lower clamping piece, the lateral wall of described upper clamping piece is provided with positioning convex, the joint face of the lateral wall of described lightning arrester body and upper clamping piece is provided with detent, detent setting corresponding with upper positioning convex on this, the lateral wall of described lower clamping piece is provided with lower positioning convex, the joint face of the lateral wall of described lightning arrester body and lower clamping piece is provided with lower detent, this lower detent and the corresponding setting of lower positioning convex, the utility model is: by being provided with upper clamping piece and lower clamping piece on lightning arrester body, upper clamping piece on being provided with, positioning convex and lower clamping piece are provided with lower positioning convex, effectively ensure that the reliability that lightning arrester body is connected with foreign object, ensure that connection more firmly and difficult drop-off.
Description
Technical field
The utility model relates to power domain, refers to a kind of lightning arrester especially.
Background technology
The effect of lightning arrester is used to protect the electrical equipment that in electric power system, various electric equipment impacts from lightning overvoltage, switching overvoltage, Frequency Transient Overvoltage and damages.The type of lightning arrester mainly contains portable protective gaps, valve-type arrester and zinc oxide arrester.Portable protective gaps is mainly used in limiting atmospheric over-voltage, is generally used for distribution system, circuit and inlet wire of substation segment protect.
When existing lightning arrester is connected with foreign object, lightning arrester is connected with foreign object and insecurely easily comes off, simultaneously, it is be threaded that existing lightning arrester and foreign object have employed, owing to being have employed to be threaded, have foreign material unavoidably on screw thread, when will be connected with foreign object, screw thread can very easily be damaged, and shortens useful life.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of lightning arrester of be connected firmly with foreign object difficult drop-off and long service life.
The technical solution of the utility model is achieved in that a kind of lightning arrester, comprise lightning arrester body, it is characterized in that: the upper end of described lightning arrester body is embedded with upper clamping piece, the lower end of described lightning arrester body is embedded with lower clamping piece, the lateral wall of described upper clamping piece is provided with positioning convex, the joint face of the lateral wall of described lightning arrester body and upper clamping piece is provided with detent, detent setting corresponding with upper positioning convex on this, the lateral wall of described lower clamping piece is provided with lower positioning convex, the joint face of the lateral wall of described lightning arrester body and lower clamping piece is provided with lower detent, this lower detent and the corresponding setting of lower positioning convex, the madial wall of described upper clamping piece is provided with internal thread, on this, internal thread comprises internal threads on several, the junction of adjacent upper internal threads is provided with the first feeder, the madial wall of described lower clamping piece is provided with lower internal thread, this lower internal thread comprises several lower internal threads, the junction of adjacent lower internal threads is provided with the second feeder.
By adopting technique scheme, by being provided with upper clamping piece and lower clamping piece on lightning arrester body, upper clamping piece on being provided with, positioning convex and lower clamping piece are provided with lower positioning convex, effectively ensure that the reliability that lightning arrester body is connected with foreign object, ensure that connection more firmly and difficult drop-off, lightning arrester body adopts with foreign object and is threaded, adjacent spiral shell tooth junction is provided with the first feeder and the second feeder, the foreign material produced when effectively upper internal thread and lower internal thread being connected with foreign object are accommodated in the first feeder and the second feeder, avoid because foreign material rub at upper internal thread and between lower internal thread and foreign object, in guarantee, internal thread and lower internal thread are not easily worn, ensure that the reliability that wall thunder device body is connected with foreign object, also short problem in useful life is better solved.
The utility model is set to further: described upper and lower positioning convex comprises left side wall, left skew wall, upper wall, right skew wall and right side wall respectively, described left side wall and left skew wall angulation are 135 degree, described left skew wall and upper wall angulation are 135 degree, described upper wall and right skew wall angulation are 135 degree, described right skew wall and right side wall angulation are 135 degree, and described left side wall, upper wall and right side wall are provided with anti-slip veins.
By adopting technique scheme, effectively upper and lower positioning convex is fixed on lightning arrester body, lightning arrester body is made to be connected difficult drop-off with foreign object, ensure that connection reliability and stability, and all anti-slip veins is provided with on left side wall, upper wall and right side wall, further ensure that upper and lower positioning convex can effectively be fixed on lightning arrester body, upper and lower positioning convex is arranged on lightning arrester body and there will not be sliding phenomenon, finally ensure that lightning arrester body is connected difficult drop-off with foreign object, extends useful life.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Accompanying drawing is the utility model embodiment structure cross-sectional schematic.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in drawings, the utility model discloses a kind of lightning arrester, comprise lightning arrester body 1, in the utility model is specifically implemented, the upper end of described lightning arrester body 1 is embedded with upper clamping piece 2, the lower end of described lightning arrester body 1 is embedded with lower clamping piece 3, the lateral wall of described upper clamping piece 2 is provided with positioning convex 21, described lightning arrester body 1 and the joint face of the lateral wall of upper clamping piece 2 are provided with detent, detent and the corresponding setting of upper positioning convex 21 on this, the lateral wall of described lower clamping piece 3 is provided with lower positioning convex 31, described lightning arrester body 1 and the joint face of the lateral wall of lower clamping piece 3 are provided with lower detent, this lower detent and the corresponding setting of lower positioning convex 31, the madial wall of described upper clamping piece 2 is provided with internal thread 22, on this, internal thread 22 comprises internal threads on several, the junction of adjacent upper internal threads is provided with the first feeder 221, the madial wall of described lower clamping piece 3 is provided with lower internal thread 32, this lower internal thread 32 comprises several lower internal threads, the junction of adjacent lower internal threads is provided with the second feeder 321.
By adopting technique scheme, by being provided with upper clamping piece and lower clamping piece on lightning arrester body, upper clamping piece on being provided with, positioning convex and lower clamping piece are provided with lower positioning convex, effectively ensure that the reliability that lightning arrester body is connected with foreign object, ensure that connection more firmly and difficult drop-off, lightning arrester body adopts with foreign object and is threaded, adjacent spiral shell tooth junction is provided with the first feeder and the second feeder, the foreign material produced when effectively upper internal thread and lower internal thread being connected with foreign object are accommodated in the first feeder and the second feeder, avoid because foreign material rub at upper internal thread and between lower internal thread and foreign object, in guarantee, internal thread and lower internal thread are not easily worn, ensure that the reliability that wall thunder device body is connected with foreign object, also short problem in useful life is better solved.
In the utility model is specifically implemented, described upper positioning convex 21 comprises left side wall 211, left skew wall 212, upper wall 213, right skew wall 214 and right side wall 215 respectively, described left side wall 211 is 135 degree with left skew wall 212 angulation, described left skew wall 212 is 135 degree with upper wall 213 angulation, described upper wall 213 is 135 degree with right skew wall 214 angulation, described right skew wall 214 is 135 degree with right side wall 215 angulation, and described left side wall 211, upper wall 213 and right side wall 215 are provided with anti-slip veins.
Described lower positioning convex 31 comprises left side wall 311, left skew wall 312, upper wall 313, right skew wall 314 and right side wall 315 respectively, described left side wall 311 is 135 degree with left skew wall 312 angulation, described left skew wall 312 is 135 degree with upper wall 313 angulation, described upper wall 313 is 135 degree with right skew wall 314 angulation, described right skew wall 314 is 135 degree with right side wall 315 angulation, and described left side wall 311, upper wall 313 and right side wall 315 are provided with anti-slip veins.
By adopting technique scheme, effectively upper and lower positioning convex is fixed on lightning arrester body, lightning arrester body is made to be connected difficult drop-off with foreign object, ensure that connection reliability and stability, and all anti-slip veins is provided with on left side wall, upper wall and right side wall, further ensure that upper and lower positioning convex can effectively be fixed on lightning arrester body, upper and lower positioning convex is arranged on lightning arrester body and there will not be sliding phenomenon, finally ensure that lightning arrester body is connected difficult drop-off with foreign object, extends useful life.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (2)
1. a lightning arrester, comprise lightning arrester body, it is characterized in that: the upper end of described lightning arrester body is embedded with upper clamping piece, the lower end of described lightning arrester body is embedded with lower clamping piece, the lateral wall of described upper clamping piece is provided with positioning convex, the joint face of the lateral wall of described lightning arrester body and upper clamping piece is provided with detent, detent setting corresponding with upper positioning convex on this, the lateral wall of described lower clamping piece is provided with lower positioning convex, the joint face of the lateral wall of described lightning arrester body and lower clamping piece is provided with lower detent, this lower detent and the corresponding setting of lower positioning convex, the madial wall of described upper clamping piece is provided with internal thread, on this, internal thread comprises internal threads on several, the junction of adjacent upper internal threads is provided with the first feeder, the madial wall of described lower clamping piece is provided with lower internal thread, this lower internal thread comprises several lower internal threads, the junction of adjacent lower internal threads is provided with the second feeder.
2. a kind of lightning arrester according to claim 1, it is characterized in that: described upper and lower positioning convex comprises left side wall, left skew wall, upper wall, right skew wall and right side wall respectively, described left side wall and left skew wall angulation are 135 degree, described left skew wall and upper wall angulation are 135 degree, described upper wall and right skew wall angulation are 135 degree, described right skew wall and right side wall angulation are 135 degree, and described left side wall, upper wall and right side wall are provided with anti-slip veins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184897.8U CN204517343U (en) | 2015-03-31 | 2015-03-31 | A kind of lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520184897.8U CN204517343U (en) | 2015-03-31 | 2015-03-31 | A kind of lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204517343U true CN204517343U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520184897.8U Active CN204517343U (en) | 2015-03-31 | 2015-03-31 | A kind of lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204517343U (en) |
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2015
- 2015-03-31 CN CN201520184897.8U patent/CN204517343U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |