CN201898039U - Plastic shell for metalized film capacitor - Google Patents
Plastic shell for metalized film capacitor Download PDFInfo
- Publication number
- CN201898039U CN201898039U CN2010205943042U CN201020594304U CN201898039U CN 201898039 U CN201898039 U CN 201898039U CN 2010205943042 U CN2010205943042 U CN 2010205943042U CN 201020594304 U CN201020594304 U CN 201020594304U CN 201898039 U CN201898039 U CN 201898039U
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- CN
- China
- Prior art keywords
- shell body
- plastic shell
- bolt
- moulding
- film capacitor
- 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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- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The utility model discloses a plastic shell for a metalized film capacitor, which comprises a plastic shell body and a bolt. The bolt is arranged at the lower end of the plastic shell body, a nut is screwed on the bolt, a gasket is arranged between the bolt and the nut, a top opening of the plastic shell body is fastened with a plastic cover, the plastic shell body is barrel-shaped, and a plurality of bubble points are disposed on the inner wall of the bottom of the barrel-shaped plastic shell body and are cylindrical cores. The plastic shell body is made of white flame-retardant PBT (polybutylece terephthalate), the four bubble points are symmetrically distributed around the center of the inner wall of the bottom of the plastic shell body, and the height of each bubble point ranges from 1mm to 1.5mm. The plastic shell has the advantages of simple structure, convenience in manufacture, and capabilities of preventing the bolt under the plastic shell from leaking copper, reducing incidence rate of a polarized shell and prolonging service life.
Description
Technical field:
The utility model relates to capacitor area, specifically is a kind of shell of moulding of metallized film capacitor.
Background technology:
Capacitor is a kind of device that holds electric charge, and its science is defined as: the store charge that the electrode that conductor approaching by two and mutually insulated is made is formed and the device of electric energy.For metallized film capacitor, mainly contain by parts such as positioning sleeve, shell, plug, binding post up and down and constitute, be widely used in every directly coupling, bypass, filtering, tuning circuit, power conversion, aspects such as control circuit.The bolt of the utility model below product is moulded shell leaks copper, cause product utmost point shell phenomenon in manufacturing process, to occur, can avoid electrode one end to contact after increasing by four bubble points, also utmost point shell can not take place even bottom leakage copper phenomenon occurs, thereby prolong useful life with bolt.
The utility model content:
The purpose of this utility model provides a kind of shell of moulding of metallized film capacitor, mould increased bubble point on the shell body bottom interior wall after, avoided capacitor to mould that bolt below the shell leaks copper and the phenomenon that causes in manufacturing process, occurring utmost point shell.
The technical solution of the utility model is as follows:
A kind of metallized film capacitor mould shell, comprise and mould shell body, bolt, the described shell body lower end of moulding is provided with bolt, be combined with nut on the bolt, pad is provided with pad between the screw bolt and nut, moulds shell body top mouth and fastens with moulding lid, and it is characterized in that: the described shell body of moulding is round barrel shape, bucket end inwall is provided with a plurality of bubble points, and described bubble point is a columnar core.
Described metallized film capacitor mould shell, it is characterized in that: the described shell bulk material of moulding adopts white flame-retardant PBT, and described bubble point has four, be symmetrically distributed with the bottom interior wall center of moulding the shell body, highly be 1-1.5mm.
The utility model has the advantages that:
The utlity model has simple in structurely, easily manufactured, the bolt of avoiding moulding below the shell leaks copper, has reduced the incidence of utmost point shell phenomenon, has prolonged the advantage of long service life.
Description of drawings:
Fig. 1 structural diagrams intention of the present utility model.
Embodiment:
A kind of metallized film capacitor mould shell, comprise and mould shell body 1, bolt 2, mould shell body 1 lower end and be provided with bolt 2, be combined with nut 3 on the bolt 2, pad is provided with pad 4 between bolt 2 and the nut 3, moulds shell body 1 top mouth and mould to cover 5 fastenings, moulds shell body 1 and is round barrel shape, bucket end inwall is provided with a plurality of bubble points 6, bubble point 6 is a columnar core, moulds shell body 1 material and adopts white flame-retardant PBT, and bubble point 6 has four, being symmetrically distributed with the bottom interior wall center of moulding shell body 1, highly is 1-1.5mm.
Claims (2)
1. a metallized film capacitor moulds shell, comprise and mould shell body, bolt, the described shell body lower end of moulding is provided with bolt, be combined with nut on the bolt, pad is provided with pad between the screw bolt and nut, moulds shell body top mouth and fastens with moulding lid, and it is characterized in that: the described shell body of moulding is round barrel shape, bucket end inwall is provided with a plurality of bubble points, and described bubble point is a columnar core.
Metallized film capacitor according to claim 1 mould shell, it is characterized in that: the described shell bulk material of moulding adopts white flame-retardant PBT, and described bubble point has four, be symmetrically distributed with the bottom interior wall center of moulding the shell body, highly be 1-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205943042U CN201898039U (en) | 2010-11-03 | 2010-11-03 | Plastic shell for metalized film capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205943042U CN201898039U (en) | 2010-11-03 | 2010-11-03 | Plastic shell for metalized film capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201898039U true CN201898039U (en) | 2011-07-13 |
Family
ID=44255940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205943042U Expired - Fee Related CN201898039U (en) | 2010-11-03 | 2010-11-03 | Plastic shell for metalized film capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201898039U (en) |
-
2010
- 2010-11-03 CN CN2010205943042U patent/CN201898039U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110713 Termination date: 20121103 |