CN2766419Y - Universal lamp head for bulbs with screw base or inserting base - Google Patents
Universal lamp head for bulbs with screw base or inserting base Download PDFInfo
- Publication number
- CN2766419Y CN2766419Y CN 200420116732 CN200420116732U CN2766419Y CN 2766419 Y CN2766419 Y CN 2766419Y CN 200420116732 CN200420116732 CN 200420116732 CN 200420116732 U CN200420116732 U CN 200420116732U CN 2766419 Y CN2766419 Y CN 2766419Y
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- CN
- China
- Prior art keywords
- metal cylinder
- cylinder
- metal
- lamp holder
- lamp
- 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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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A universal lamp head for bulbs with screw base or inserting base of the utility model belongs to the field of illumination. Outside the cylinder of the primary bayonet lamp head is additionally covered a coppery helical casing with the lower end connecting to the metal part of the lamp cap and the upper end exposed. A left metal cylinder, a middle metal cylinder and a right metal cylinder are provided by getting through the insulation layer at the end part of the lamp head. All the upper ends of the metal cylinders extend out of the insulation layer as the contacting points. All the lower ends of the metal cylinders enter into the lamp head. The leftmetal cylinder and the right metal cylinder are corresponding to the position of the two spring posts inside the lamp holder and connect to the filament. The middle mental cylinder is exposed higher and connects to the wire of the right metal cylinder. The lower end of the left metal cylinder is an inflated contacting point, and the upper part is provided with another mental contacting point and this contacting point connects to the wire of the helical casing. The position where the left metal cylinder exposes the insulation layer is provided with a spring chamber. The spring is sleeved outside the metal cylinder and supports the inner side of the umbellate shaped outer terminal of the cylinder. This cylinder can be displaced up and down. The universal lamp head for bulbs with screw base or inserting base makes the lamp head suitable for the bayonet lamp holder and the screw lamp holder. This is convenient in use.
Description
1, technical field: multi-functional lamp holder of the present utility model belongs to lighting field.
2, background technology: commercially available incandescent lamp, its lamp holder of electricity-saving lamp are divided into two kinds of bayonet socket and screw sockets basically, snap in bayonet cap respectively or screw in screw lamp holder to use, and its defective is to exchange use, brings inconvenience to people.
3, summary of the invention: the purpose of this utility model is to provide a kind of card, screw socket universal socket that can be common to bayonet socket and screw lamp holder.
The purpose of this utility model is achieved in that the cylinder at former bayonet cap adds cover one copper sheet thread bush, and its lower end divides with the lamp holder metal part and links to each other, and upper end is empty to be revealed.Pass through lamp holder end insulating barrier three metal cylinders in left, center, right are set, insulating barrier is all exposed in its upper end, and as the contact, the lower end is all stretched in the lamp holder, and wherein left and right metal cylinder is corresponding with two spring stake positions in the lamp socket, and links to each other with filament.Middle metal cylinder exposure is higher, links to each other with right metal cylinder lead.Metal cylinder bottom, a left side is the contact of expanding, and its top is provided with another hard contact, and this contact links to each other with the thread bush lead.Expose insulating barrier place installing spring housing at left metal cylinder, spring housing is at metal cylinder and contact in this cylinder umbrella shape external end head inboard, but this cylinder upper and lower displacement.When lamp holder snaps in bayonet cap, two spring stakes in the lamp socket are promptly pressed and are touched on the left and right two metal cylinder contacts of lamp holder end, make the left side metal cylinder to bottom offset, and its lower end contact promptly breaks away from the contact, top, the thread bush no current passes through, and guarantees personal safety; When lamp holder screwed in screw lamp holder, the center reed in the lamp socket was promptly pressed and is touched on the intermetallic metal cylinder contact of lamp holder end, connection circuit, and left and right two metal cylinder contacts are then vacant this moment.
Owing to carry out such scheme, make a lamp holder can be common to bayonet socket and two kinds of lamp sockets of screw socket, brought convenience to use.
4, description of drawings: concrete structure of the present utility model is provided by following drawings and Examples.
Fig. 1 is card, screw socket universal socket structural representation
5, embodiment:
Legend: 1, lamp holder metal part 2, filament 3, lead 4, thread bush 5, cylinder 6, bayonet lock 7, lower contact 8, upper contact 9, left metal cylinder 10, spring housing 11, spring 12, cylinder external end head 13, middle metal cylinder 14, right metal cylinder 15, insulating barrier
Embodiment: as shown in Figure 1, add cover one copper sheet thread bush 4, leave spacing between the two at the cylinder 5 of former bayonet cap.External screw thread on the thread bush 4 and the internal thread of screw lamp holder coupling, the lower end of thread bush 4 links to each other with lamp holder metal part 1, and upper end is empty to be revealed, and is no more than the position of two bayonet locks 6 on the former lamp holder.Pass through lamp holder end insulating barrier 15 three metal cylinders in left, center, right 9,13,14 are set, insulating barrier 15 is all exposed in its upper end, and as the contact, the lower end is all stretched in the lamp holder, wherein left and right metal cylinder 9,14 is corresponding with two spring stake positions in the bayonet cap, and links to each other with filament 2.Middle metal cylinder 13 exposures are higher, and it links to each other with right metal cylinder 14 usefulness leads 3.The bending of metal cylinder 9 bottoms, a left side, the termination is the lower contact 7 that expands, and its top is provided with another metal upper contact 8, and this contact links to each other with thread bush 4 usefulness leads 3.Expose the cavity cylinder that lamp holder insulating barrier 15 places install perforate above in the of in left metal cylinder 9 upper ends, as spring housing 10, its built-in spring 11, be enclosed within on the left metal cylinder 9, this cylinder external end head 12 is a umbrella shape, the emerge top perforate of spring housing 10 of top, and the surrounding is stuck in the spring housing 10, spring 11 upper ends contact the medial surface at cylinder external end head 12, sit up straight down to be pressed on the insulating barrier 15.But left side metal cylinder 9 upper and lower displacements.
When lamp holder snaps in bayonet cap, two spring stakes in the lamp socket are promptly pressed and are touched on the contact of left and right two metal cylinders 9,14 of lamp holder end, make left metal cylinder 9 to bottom offset, thereby make lower contact 7 break away from upper contacts 8, no current passes through on the thread bush 4, guarantees personal safety.At this moment, the metal of bayonet cap part is promptly inserted the interval between this lamp holder cylinder 5 and the thread bush 4; When lamp holder screwed in screw lamp holder, the center reed in the lamp socket was promptly pressed and is touched on middle metal cylinder 13 contacts of lamp holder end, connection circuit, and the contact of left and right metal cylinder 9,14 is then vacant this moment.
Claims (2)
1, a kind of card, the screw socket universal socket, it is characterized in that: add at the cylinder of bayonet cap and be with the copper sheet thread bush, its lower end divides with the lamp holder metal part and links to each other, upper end is empty to be revealed, pass through lamp holder end insulating barrier a left side is set, in, right three metal cylinders, insulating barrier is all exposed in its upper end, as the contact, the lower end is all stretched in the lamp holder, wherein left, right metal cylinder is corresponding with two spring stake positions in the lamp socket, and links to each other with filament, and middle metal cylinder exposure is higher, link to each other with right metal cylinder lead, metal cylinder bottom, a left side is the contact of expanding, and its top is provided with another hard contact, and this contact links to each other with the thread bush lead, expose insulating barrier place installing spring housing at left metal cylinder, but spring housing is on the metal cylinder of upper and lower displacement.
2, card as claimed in claim 1, screw socket universal socket, it is characterized in that: left metal cylinder external end head is a umbrella shape, the emerge top perforate of spring housing of top, and the surrounding is stuck in the spring housing, the spring upper end contacts the medial surface at the metal cylinder external end head, sits up straight down to be pressed on the insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420116732 CN2766419Y (en) | 2004-11-30 | 2004-11-30 | Universal lamp head for bulbs with screw base or inserting base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420116732 CN2766419Y (en) | 2004-11-30 | 2004-11-30 | Universal lamp head for bulbs with screw base or inserting base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2766419Y true CN2766419Y (en) | 2006-03-22 |
Family
ID=36607057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420116732 Expired - Fee Related CN2766419Y (en) | 2004-11-30 | 2004-11-30 | Universal lamp head for bulbs with screw base or inserting base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2766419Y (en) |
-
2004
- 2004-11-30 CN CN 200420116732 patent/CN2766419Y/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 |