CN2321139Y - Contact-type screw socket - Google Patents
Contact-type screw socket Download PDFInfo
- Publication number
- CN2321139Y CN2321139Y CN 97243149 CN97243149U CN2321139Y CN 2321139 Y CN2321139 Y CN 2321139Y CN 97243149 CN97243149 CN 97243149 CN 97243149 U CN97243149 U CN 97243149U CN 2321139 Y CN2321139 Y CN 2321139Y
- Authority
- CN
- China
- Prior art keywords
- contact
- utility
- model
- offer
- screw cap
- 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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- Connecting Device With Holders (AREA)
Abstract
The utility model discloses a contact-type screw socket which is mainly composed of a screw thread casing body and a tip fire wire touch sheet. The utility model is characterized in that a concave groove is arranged on the screw thread casing body which is made of insulation and flame resistant materials, and a metal null line touch sheet is embedded in the concave groove. The utility model has the advantages of simple structure and greatly reduced production cost without accident occurrences because of electric shocks, and the utility model effectively solves the shortcomings of the existing lamp holders, such as unsafe use and complex production technology.
Description
The utility model belongs to the electric type product scope, particularly relates to a kind of lamp holder of contact current lead-through.
At present, the whole metal-back structure that adopts of normally used screw cap, it is big not only to exist exposure, use dangerously, the defective of electric shock casualty accident easily takes place, and consume more because of metal material, so manufacturing process complexity, equipment requirements height, thereby cause production cost significantly to improve.
The purpose of this utility model is, provides a kind of and can effectively overcome above-mentioned defective, contact screw cap safe in utilization.
The technical solution of the utility model is: a kind of contact screw cap, mainly form by the live wire contact on screw shell and top, its characteristics are: offer a groove on the screw shell that adopts the insulation fire proofing to make, be embedded a metal zero line contact in the groove.
Owing to adopt such scheme, to be not difficult to draw as drawing a conclusion, the utility model is simple in structure, is skillfully constructed, and can reduce production costs significantly, does not have electric shock accidents extremely the tool promotional value takes place.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is an overall structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of metal zero line contact of the present utility model.
Among the figure, this contact screw cap is made up of the live wire contact 20 on screw shell 10 and top, and screw shell 10 adopts the insulation fire proofing to make, and offers a groove on it, is embedded a metal zero line contact 30 in the groove.Inwardly turn up metal zero line contact 30 upper ends, with screw shell 10 outer surfaces couplings, turns up and offer one on the end and connect null line hole 31, and the lower end then convexes with a contact muscle 32.Wherein offer the line hole 21 of starting to exchange fire on the live wire contact 20, screw shell 10 inner surfaces offer one can penetrate the aperture that connects null line hole 31 for zero line.Connecing null line hole 31 realizes being electrically connected getting final product with zero line and live wire respectively with the line hole 21 of starting to exchange fire.
Claims (4)
1. a contact screw cap mainly is made up of the live wire contact on screw shell and top, it is characterized in that: offer a groove on the screw shell that adopts the insulation fire proofing to make, be embedded a metal zero line contact in the groove.
2. by the described a kind of contact screw cap of claim 1, it is characterized in that: inwardly turn up metal zero line contact upper end, with screw shell outer surface coupling, turns up and offer one on the end and connect null line hole, and the lower end then convexes with a contact muscle.
3. by the described a kind of contact screw cap of claim 1, it is characterized in that: the screw shell inner surface offers an aperture.
4. by the described a kind of contact screw cap of claim 1, it is characterized in that: offer the line hole of starting to exchange fire on the live wire contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97243149 CN2321139Y (en) | 1997-12-30 | 1997-12-30 | Contact-type screw socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97243149 CN2321139Y (en) | 1997-12-30 | 1997-12-30 | Contact-type screw socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2321139Y true CN2321139Y (en) | 1999-05-26 |
Family
ID=33952202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97243149 Expired - Fee Related CN2321139Y (en) | 1997-12-30 | 1997-12-30 | Contact-type screw socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2321139Y (en) |
-
1997
- 1997-12-30 CN CN 97243149 patent/CN2321139Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |