CN203982934U - Metal oxide arrester - Google Patents
Metal oxide arrester Download PDFInfo
- Publication number
- CN203982934U CN203982934U CN201420381337.7U CN201420381337U CN203982934U CN 203982934 U CN203982934 U CN 203982934U CN 201420381337 U CN201420381337 U CN 201420381337U CN 203982934 U CN203982934 U CN 203982934U
- Authority
- CN
- China
- Prior art keywords
- way clutch
- insulating rod
- bottom electrode
- top electrode
- fitting portion
- 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
Links
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 14
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 14
- 238000010030 laminating Methods 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a kind of metal oxide arrester, its technical scheme main points are, the two ends of insulating rod are fixedly connected with top electrode, bottom electrode respectively, and wherein the two ends of insulating rod are equipped with one-way clutch, lower one-way clutch; Upper one-way clutch one end is fixedly connected with top electrode, the other end can away from or near laminating top electrode; Lower one-way clutch one end is fixedly connected with bottom electrode, the other end can away from or near laminating bottom electrode; In top electrode correspondence, one-way clutch place is provided with fitting portion, and under bottom electrode correspondence, one-way clutch place is provided with lower fitting portion; Upper one-way clutch is embedded in upper fitting portion during away from top electrode; Lower one-way clutch is embedded in lower fitting portion during away from bottom electrode.By original interference fit, change to and adopt the fitting portion of one-way clutch and depression to be fixed, even if dimension deviation appears in any one in top electrode, bottom electrode, insulating rod, still can reliably connect sound construction.
Description
Technical field
The utility model relates to a kind of lightning arrester, and more particularly, it relates to a kind of metal oxide arrester.
Background technology
In electric power system, lightning arrester is set and with protection facility, avoids the damage that thunder and lightning generation abnormal voltage causes.Lightning arrester has and for example contains zinc oxide as the nonlinear resistor of main component.Under normal voltage, nonlinear resistor insulate, and under abnormal voltage, due to the minimizing of resistance value, it becomes and has conducted electricity.
At present, on market, there is a kind of lightning arrester, it comprises by the composite sheath, alkali-free band and the internal part that set gradually within outer, internal part comprises insulating rod and the top electrode setting gradually along insulating rod axial direction, valve block assembly and bottom electrode, electrode, valve block assembly, bottom electrode all with alkali-free band interference fit, the two ends of insulating rod respectively with top electrode, bottom electrode interference fit.
This lightning arrester in the process of assembling, must the size when accurately controlling all parts and producing, and merely by interference fit, realize connection, syndeton not firmly, reliable not.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of sound construction reliable metal oxide arrester.
For achieving the above object, the utility model provides following technical scheme: a kind of metal oxide arrester, comprise the composite sheath, alkali-free band and the internal part that set gradually from outside to inside, internal part comprises insulating rod and the top electrode setting gradually along insulating rod axial direction, valve block assembly and bottom electrode, it is characterized in that:
The two ends of described insulating rod are fixedly connected with top electrode, bottom electrode respectively, and wherein the two ends of insulating rod are equipped with one-way clutch, lower one-way clutch;
Upper one-way clutch one end is fixedly connected with top electrode, the other end can away from or near laminating top electrode;
Lower one-way clutch one end is fixedly connected with bottom electrode, the other end can away from or near laminating bottom electrode;
In top electrode correspondence, one-way clutch place is provided with fitting portion, and under bottom electrode correspondence, one-way clutch place is provided with lower fitting portion;
Upper one-way clutch is embedded in upper fitting portion during away from top electrode; Lower one-way clutch is embedded in lower fitting portion during away from bottom electrode.
By adopting technique scheme, by original interference fit, change to and adopt the fitting portion of one-way clutch and depression to be fixed, even if dimension deviation appears in any one in top electrode, bottom electrode, insulating rod, still can reliably connect sound construction.
The utility model is further set to: described upper fitting portion is triangle along the cross section of insulating rod axial direction, its drift angle is placed in one end that one-way clutch one end is fixedly connected with top electrode, its base be placed in one-way clutch can away from or near laminating top electrode one end.
Described lower fitting portion is triangle along the cross section of insulating rod axial direction, and its drift angle is placed in one end that lower one-way clutch one end is fixedly connected with bottom electrode, its base be placed in lower one-way clutch can away from or near laminating bottom electrode one end.
By adopting technique scheme, make fixing solid and reliable of one-way clutch and top electrode, lower one-way clutch and bottom electrode, can there is not axial jump, difficult disengaging.
Described insulating rod is cylindrical-shaped structure setting, and upper one-way clutch is at least provided with two and be uniformly distributed along the radial direction of insulating rod.
Described insulating rod is cylindrical-shaped structure setting, and lower one-way clutch is at least provided with two and be uniformly distributed along the radial direction of insulating rod.
By adopting technique scheme, make fixing solid and reliable of one-way clutch and top electrode, lower one-way clutch and bottom electrode, can not occur radially to jump, difficult disengaging.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model metal oxide arrester embodiment;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the B portion enlarged drawing of Fig. 1.
Embodiment
Referring to figs. 1 through Fig. 3, the utility model metal oxide arrester embodiment is described further.
A kind of metal oxide arrester, comprise the composite sheath 1, alkali-free band 2 and the internal part 3 that set gradually from outside to inside, internal part 3 comprises insulating rod 31 and the top electrode 32 setting gradually along insulating rod 31 axial directions, valve block assembly 34 and bottom electrode 33, it is characterized in that:
The two ends of described insulating rod 31 are fixedly connected with top electrode 32, bottom electrode 33 respectively, and wherein the two ends of insulating rod 31 are equipped with one-way clutch 35, lower one-way clutch 36;
Upper one-way clutch 35 one end are fixedly connected with top electrode 32, the other end can away from or near laminating top electrode;
Lower one-way clutch 36 one end are fixedly connected with bottom electrode 33, the other end can away from or near laminating bottom electrode;
Top electrode 32 corresponding upper one-way clutch 35 places are provided with fitting portion 321, and the corresponding lower one-way clutch of bottom electrode 33 36 places are provided with lower fitting portion 331;
Upper one-way clutch 35 is embedded in upper fitting portion 321 during away from top electrode 32; Lower one-way clutch 36 is embedded in lower fitting portion 331 during away from bottom electrode 33.
By adopting technique scheme, by original interference fit, change to and adopt the fitting portion of one-way clutch and depression to be fixed, even if dimension deviation appears in any one in top electrode 32, bottom electrode 33, insulating rod 31, still can reliably connect sound construction.
The utility model is further set to: described upper fitting portion 321 is triangle along the cross section of insulating rod 31 axial directions, its drift angle is placed in one end that one-way clutch 35 one end are fixedly connected with top electrode 32, its base be placed in one-way clutch 35 can away from or near laminating top electrode 32 one end.
Described lower fitting portion is triangle along the cross section of insulating rod 31 axial directions, and its drift angle is placed in one end that lower one-way clutch 36 one end are fixedly connected with bottom electrode, its base be placed in lower one-way clutch 36 can away from or near laminating bottom electrode 33 one end.
By adopting technique scheme, make fixing solid and reliable of one-way clutch 35 and top electrode 32, lower one-way clutch 36 and bottom electrode 33, can there is not axial jump, be difficult for departing from.
Described insulating rod 31 is cylindrical-shaped structure setting, and upper one-way clutch 35 is at least provided with two and be uniformly distributed along the radial direction of insulating rod 31.
Described insulating rod 31 is cylindrical-shaped structure setting, and lower one-way clutch 36 is at least provided with two and be uniformly distributed along the radial direction of insulating rod 31.
By adopting technique scheme, make fixing solid and reliable of one-way clutch 35 and top electrode 32, lower one-way clutch 36 and bottom electrode 33, can not occur radially to jump, be difficult for departing from.
Claims (5)
1. a metal oxide arrester, comprises the composite sheath, alkali-free band and the internal part that set gradually from outside to inside, and internal part comprises insulating rod and the top electrode setting gradually along insulating rod axial direction, valve block assembly and bottom electrode, it is characterized in that:
The two ends of described insulating rod are fixedly connected with top electrode, bottom electrode respectively, and wherein the two ends of insulating rod are equipped with one-way clutch, lower one-way clutch;
Upper one-way clutch one end is fixedly connected with top electrode, the other end can away from or near laminating top electrode;
Lower one-way clutch one end is fixedly connected with bottom electrode, the other end can away from or near laminating bottom electrode;
In top electrode correspondence, one-way clutch place is provided with fitting portion, and under bottom electrode correspondence, one-way clutch place is provided with lower fitting portion;
Upper one-way clutch is embedded in upper fitting portion during away from top electrode; Lower one-way clutch is embedded in lower fitting portion during away from bottom electrode.
2. metal oxide arrester according to claim 1, it is characterized in that: described upper fitting portion is triangle along the cross section of insulating rod axial direction, its drift angle is placed in one end that one-way clutch one end is fixedly connected with top electrode, its base be placed in one-way clutch can away from or near laminating top electrode one end.
3. metal oxide arrester according to claim 1 and 2, it is characterized in that: described lower fitting portion is triangle along the cross section of insulating rod axial direction, its drift angle is placed in one end that lower one-way clutch one end is fixedly connected with bottom electrode, its base be placed in lower one-way clutch can away from or near laminating bottom electrode one end.
4. metal oxide arrester according to claim 1 and 2, is characterized in that: described insulating rod is cylindrical-shaped structure setting, and upper one-way clutch is at least provided with two and be uniformly distributed along the radial direction of insulating rod.
5. metal oxide arrester according to claim 3, is characterized in that: described insulating rod is cylindrical-shaped structure setting, and lower one-way clutch is at least provided with two and be uniformly distributed along the radial direction of insulating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381337.7U CN203982934U (en) | 2014-07-11 | 2014-07-11 | Metal oxide arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420381337.7U CN203982934U (en) | 2014-07-11 | 2014-07-11 | Metal oxide arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203982934U true CN203982934U (en) | 2014-12-03 |
Family
ID=51980364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420381337.7U Expired - Fee Related CN203982934U (en) | 2014-07-11 | 2014-07-11 | Metal oxide arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203982934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952572A (en) * | 2015-05-13 | 2015-09-30 | 苏州闪联高压电器有限公司 | Waterproof lightning arrester |
-
2014
- 2014-07-11 CN CN201420381337.7U patent/CN203982934U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952572A (en) * | 2015-05-13 | 2015-09-30 | 苏州闪联高压电器有限公司 | Waterproof lightning arrester |
| CN104952572B (en) * | 2015-05-13 | 2017-12-19 | 苏州闪联高压电器有限公司 | A kind of waterproof arrester |
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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 |
Granted publication date: 20141203 Termination date: 20170711 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |