CN203910377U - Composite external sleeve type metal oxide lightning arrester - Google Patents
Composite external sleeve type metal oxide lightning arrester Download PDFInfo
- Publication number
- CN203910377U CN203910377U CN201420339668.4U CN201420339668U CN203910377U CN 203910377 U CN203910377 U CN 203910377U CN 201420339668 U CN201420339668 U CN 201420339668U CN 203910377 U CN203910377 U CN 203910377U
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- China
- Prior art keywords
- insulating cylinder
- external diameter
- metal oxide
- seal portion
- outer seal
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Abstract
The utility model discloses a composite external sleeve type metal oxide lightning arrester, which is sealed and assembled stably and firmly. The composite external sleeve type metal oxide lightning arrester is characterized in that an outer seal part is arranged outside an insulating cylinder, and serves as a plug in connection of the outer seal part and the insulating cylinder; the outer diameter of the outer seal part is adaptive to the outer diameter of an accommodating section, so that a composite external sleeve has a regular shape when wrapping the insulating cylinder, and the whole shape of the lightning arrester is attractive; the outer diameter of an inner seal part is adaptive to the inner diameter of the accommodating section, so that a corresponding end cover and the insulating cylinder are connected closely; the outer diameter of the outer seal part is adaptive to the outer diameter of the accommodating section, and the outer diameter of a joint end between a compression part and the outer seal part is smaller than the outer diameter of the inner seal part, so that the compression part is arranged in a conical shape, and the sealing performance of connection between the compression part and the insulating cylinder is effectively improved.
Description
Technical field
The utility model relates to a kind of lightning arrester, especially relates to a kind of composite greatcoat type metal-oxide lighting arrester.
Background technology
Lightning arrester is for the protection of electric equipment, to avoid high transient overvoltage endanger and limit a kind of electrical equipment that time of afterflow also often limits afterflow assignment.Composite greatcoat type metal-oxide lighting arrester is that the power transmission and transforming equipment of protection electric power system is avoided the most effective protective devices of damage such as atmospheric over-voltage or switching overvoltage.
Current polymeric metal oxide surge arrester comprises erection column, core component, top electrode, bottom electrode and composite sheath, core component is normally comprised of some nonlinear resistor valve sheets, normally top electrode and bottom electrode are interference fitted in to the two ends of core component or have simply been threaded assembling, the poor and inadequate firm stable of structure of this fitted seal.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of polymeric metal oxide surge arrester, and this kind of lightning arrester favorable sealing property and sound construction are stable.
For achieving the above object, the utility model provides following technical scheme:
A kind of polymeric metal oxide surge arrester, comprise erection column, core component, top electrode, bottom electrode and composite sheath, also include insulating cylinder, described top electrode and bottom electrode symmetry are sealedly attached to the axial both ends open of insulating cylinder, described insulating cylinder comprises the upper seal section being wholely set successively, set section and lower seal section, described core component is located in set section, described composite sheath parcel is arranged at outside insulating cylinder, described top electrode and bottom electrode include the outer seal portion being wholely set successively, compression unit and interior sealing, described compression unit and interior sealing are all encapsulated in insulating cylinder, the external diameter of described interior sealing and the internal diameter of set section are suitable, the external diameter of described outer seal portion and the external diameter of set section is suitable and the external diameter of compression unit and outer seal portion link is less than the external diameter of interior sealing, described compression unit is external diameter and increases gradually and arrange near interior sealing, the shape of the shape of described upper sealing inner chamber and lower seal portion inner chamber is suitable with the shape of corresponding end cap access.
By adopting technique scheme, insulating cylinder is set and further isolates core component, insulating cylinder is arranged to syllogic, make like this sealing of lightning arrester and install more firmly stable, outer seal portion is arranged on outside insulating cylinder, in both connections, played the effect of bottle stopper, the external diameter of outer seal portion and the external diameter of set section are suitable, shape matching rule while making like this composite sheath wrap insulating cylinder, the global shape of lightning arrester is attractive in appearance, the external diameter of interior sealing and the internal diameter of set section are suitable, make so corresponding end cap tightr with being connected of insulating cylinder, the external diameter of outer seal portion and the external diameter of set section is suitable and the external diameter of compression unit and outer seal portion link is less than the external diameter of interior sealing, make so the tapered setting of compression unit, effectively strengthened its with insulating cylinder between the sealing that is connected.
Further improvement as technique scheme: described erection column is arranged in top electrode and bottom electrode one end dorsad, described composite sheath is arranged at outside insulating cylinder and is exposed erection column and be located at the other end in end cap by sulfidization molding parcel of silicon rubber.
By adopting technique scheme, silicon rubber has good electrical insulating property and oxytolerant ageing resistance, intensity is higher out of doors or during outdoor use, life-span is longer, after assembling insulating cylinder, refill and join erection column, then retell sulfidization molding of composite sheath and be wrapped on insulating cylinder and erection column, effectively guaranteed the sealing of feeling of lightning arrester.
The utility model is further set to: described insulating cylinder is rolled and formed by glass fabric.
By adopting technique scheme, glass fabric insulation property are good, convenient when fit on, bottom electrode.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model polymeric metal oxide surge arrester embodiment;
Fig. 2 is the A portion enlarged drawing of Fig. 1.
Reference numeral:
1, core component; 2, composite sheath; 3, insulating cylinder; 31, upper seal section; 32, set section; 33, lower seal section; 4, top electrode; 41, outer seal portion; 42, compression unit; 43, interior sealing; 5, bottom electrode; 6, erection column.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model polymeric metal oxide surge arrester embodiment is described further.
A kind of composite sheath 2 metal oxide arresters, comprise erection column 6, core component 1, top electrode 4, bottom electrode 5 and composite sheath 2, also include insulating cylinder 3, described top electrode 4 and bottom electrode 5 symmetries are sealedly attached to the axial both ends open of insulating cylinder 3, described insulating cylinder 3 comprises the upper seal section 31 being wholely set successively, set section 32 and lower seal section 33, described core component 1 is located in set section 32, described composite sheath 2 parcels are arranged at outside insulating cylinder 3, described top electrode 4 and bottom electrode 5 include the outer seal portion 41 being wholely set successively, compression unit 42 and interior sealing 43, described compression unit 42 and interior sealing 43 are all encapsulated in insulating cylinder 3, the internal diameter of the external diameter of described interior sealing 43 and set section 32 is suitable, the external diameter external diameter suitable and compression unit 42 and outer seal portion 41 links of the external diameter of described outer seal portion 41 and set section 32 is less than the external diameter of interior sealing 43, described compression unit 42 is external diameter and increases gradually and arrange near interior sealing 43, the shape of the shape of described upper sealing inner chamber and lower seal portion inner chamber is suitable with the shape of corresponding end cap access.
By adopting technique scheme, further isolation core component 1 of insulating cylinder 3 is set, insulating cylinder 3 is arranged to syllogic, make like this sealing of lightning arrester and install more firmly stable, outer seal portion 41 is arranged on outside insulating cylinder 3, in both connections, played the effect of bottle stopper, the external diameter of the external diameter of outer seal portion 41 and set section 32 is suitable, shape matching rule while making like this composite sheath 2 wrap insulating cylinder 3, the global shape of lightning arrester is attractive in appearance, the internal diameter of the external diameter of interior sealing 43 and set section 32 is suitable, make so corresponding end cap tightr with being connected of insulating cylinder 3, the external diameter external diameter suitable and compression unit 42 and outer seal portion 41 links of the external diameter of outer seal portion 41 and set section 32 is less than the external diameter of interior sealing 43, make so the tapered setting of compression unit 42, effectively strengthened its with insulating cylinder 3 between the sealing that is connected, the impact of expanding with heat and contract with cold for the company's environment of accepting preventing between insulating cylinder 3 and end cap, setting can be inclined upwardly the junction of outer seal portion 41 and compression unit 42, make like this outer seal portion 41 be circular platform type with one end that compression unit 42 is connected.
Described erection column 6 is arranged in top electrode 4 and bottom electrode 5 one end dorsad, and described composite sheath 2 is arranged at outside insulating cylinder 3 and is exposed erection column 6 and be located at the other end in end cap by sulfidization molding parcel of silicon rubber.By adopting technique scheme, silicon rubber has good electrical insulating property and oxytolerant ageing resistance, intensity is higher out of doors or during outdoor use, life-span is longer, after assembling insulating cylinder 3, refill and join erection column 6, then retell 2 sulfidization moldings of composite sheath and be wrapped on insulating cylinder 3 and erection column 6, effectively guaranteed the sealing of feeling of lightning arrester.
Described insulating cylinder 3 is rolled and is formed by glass fabric.By adopting technique scheme, glass fabric insulation property are good, convenient when fit on, bottom electrode 5.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (3)
1. a polymeric metal oxide surge arrester, comprise erection column, core component, top electrode, bottom electrode and composite sheath, it is characterized in that: also include insulating cylinder, described top electrode and bottom electrode symmetry are sealedly attached to the axial both ends open of insulating cylinder, described insulating cylinder comprises the upper seal section being wholely set successively, set section and lower seal section, described core component is located in set section, described composite sheath parcel is arranged at outside insulating cylinder, described top electrode and bottom electrode include the outer seal portion being wholely set successively, compression unit and interior sealing, described compression unit and interior sealing are all encapsulated in insulating cylinder, the external diameter of described interior sealing and the internal diameter of set section are suitable, the external diameter of described outer seal portion and the external diameter of set section is suitable and the external diameter of compression unit and outer seal portion link is less than the external diameter of interior sealing, described compression unit is external diameter and increases gradually and arrange near interior sealing, the shape of the shape of described upper sealing inner chamber and lower seal portion inner chamber is suitable with the shape of corresponding end cap access.
2. polymeric metal oxide surge arrester according to claim 1, it is characterized in that: described erection column is arranged in top electrode and bottom electrode one end dorsad, described composite sheath is arranged at outside insulating cylinder and is exposed erection column and be located at the other end in end cap by sulfidization molding parcel of silicon rubber.
3. polymeric metal oxide surge arrester according to claim 2, is characterized in that: described insulating cylinder is rolled and formed by glass fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339668.4U CN203910377U (en) | 2014-06-24 | 2014-06-24 | Composite external sleeve type metal oxide lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339668.4U CN203910377U (en) | 2014-06-24 | 2014-06-24 | Composite external sleeve type metal oxide lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910377U true CN203910377U (en) | 2014-10-29 |
Family
ID=51784634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339668.4U Expired - Fee Related CN203910377U (en) | 2014-06-24 | 2014-06-24 | Composite external sleeve type metal oxide lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910377U (en) |
-
2014
- 2014-06-24 CN CN201420339668.4U patent/CN203910377U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Changhong village, Liushi Town, Yueqing City, Zhejiang, Wenzhou Patentee after: Zhejiang Tanho Electrical Equipment Co., Ltd. Address before: 325000 Changhong village, Liushi Town, Yueqing City, Zhejiang, Wenzhou Patentee before: Zhejiang Tanho Electrical Equipment Co., Ltd. |
|
| 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: 20141029 Termination date: 20170624 |