CN202733737U - Auto head lamp - Google Patents
Auto head lamp Download PDFInfo
- Publication number
- CN202733737U CN202733737U CN 201220353643 CN201220353643U CN202733737U CN 202733737 U CN202733737 U CN 202733737U CN 201220353643 CN201220353643 CN 201220353643 CN 201220353643 U CN201220353643 U CN 201220353643U CN 202733737 U CN202733737 U CN 202733737U
- Authority
- CN
- China
- Prior art keywords
- iron core
- electromagnet
- lamp tube
- reflector
- housing section
- 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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Abstract
The utility model discloses an auto head lamp which comprises a dimmer iron core shaft, a reflection cup, a lamp base, a lamp tube and an electromagnet. The electromagnet comprises an iron core support which is provided with a mounting hole and an electromagnet coil which is winded to the iron core support. The upper end of the dimmer iron core shaft is movably inserted into the mounting hole. A spring is arranged between the electromagnet and the dimmer iron core shaft. The upper end of the lamp tube is provided with a lamp tube base which is provided with an embedding groove. The lower end of the dimmer iron core shaft is provided with a positioning part which is embedded in the embedding groove. The electromagnet coil is capable of generating magnetic field after being charged with electricity. The dimmer iron core shaft drives the lamp tube by the effect of the magnetic field. However, the lamp tube is repositioned by the effect of the spring after cutting off the power, thereby achieving the up-down stretch of the lamp tube and the effect of long and short light. The switchover of the lamp tube is not needed; therefore the service life of the lamp is prolonged. Furthermore, the adoption of the embedding groove and the positioning part is in favor of improving the fixing efficiency.
Description
Technical field
The utility model relates to lighting, is specifically related to headlight for vehicles.
Background technology
Well-known, automobile need utilize far lamp to carry out telecurie irradiation in the night running process, also need utilize low beam to carry out irradiation at short distance.And the far and near lamp function of existing headlight for vehicles is provided by two different fluorescent tubes respectively, and fluorescent tube itself can not autozoom, so need often to switch could realize its far and near lamp function that switching has a strong impact on its service life frequently between two fluorescent tubes.
The utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of headlight for vehicles, and it can realize that fluorescent tube is flexible up and down, reaches the effect of far light and near light, therefore need not to switch fluorescent tube, is conducive to prolong its service life.
For achieving the above object, the utility model adopts following technical scheme:
Headlight for vehicles, comprise the reflector, the lamp socket that is connected to the reflector upper end that become light iron mandrel, side and be provided with opening, be arranged on fluorescent tube in the reflector, be fixed on the electromagnet in the lamp socket, described electromagnet comprises iron core bracket, the solenoid of winding on iron core bracket that is provided with installing hole; The movable upper end that becomes light iron mandrel is inserted in the installing hole, and is provided with spring between electromagnet and the change light iron mandrel; The upper end of fluorescent tube is provided with tube face, and this tube face is provided with embedding slot, and the lower end that becomes light iron mandrel is provided with the location division that is inlaid in the embedding slot.
Described reflector is provided with window, and this headlight for vehicles also comprises the light barrier that can block on window, and described light barrier is connected on the tube face, and is positioned at the outside of fluorescent tube.
Described lamp socket comprises the sleeve part that is fixed on reflector upper end, be inserted into housing section on the sleeve part, cover cap is at the lid of housing section opening part; Be provided with the first sealing ring between described housing section and the lid, be provided with the second sealing ring between sleeve part and the housing section, in the cavity that described electromagnet forms between housing section and lid.
The headlight for vehicles that the utility model is set forth, its beneficial effect is:
Produce magnetic field after the solenoid energising, change light iron mandrel drives fluorescent tube and moves under the effect in magnetic field; And after the outage, fluorescent tube resets under the elastic force effect of spring, thereby realizes that fluorescent tube is flexible up and down, reaches the effect of far light and near light, therefore need not to switch fluorescent tube, is conducive to prolong its service life; And, by adopting the design of embedding slot and location division, its installation effectiveness of favourable raising.
Description of drawings
Fig. 1 is the structural representation of the utility model headlight for vehicles;
Fig. 2 is electromagnet and the assembling schematic diagram that becomes light iron mandrel in the utility model headlight for vehicles;
Fig. 3 is the partial sectional view of the utility model headlight for vehicles;
Wherein, 1, become light iron mandrel; 11, location division; 2, reflector; 21, window; 3, lamp socket; 31, sleeve part; 32, housing section; 33, lid; 4, fluorescent tube; 41, embedding slot; 5, electromagnet; 6, spring.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, the utility model headlight for vehicles is described further, so that clearerly understand the utility model technical thought required for protection.
As shown in Figure 1, 2, 3, be the utility model headlight for vehicles, comprise the reflector 2, the lamp socket 3 that is connected to reflector 2 upper ends that become light iron mandrel 1, side and be provided with opening, be arranged on fluorescent tube 4 in the reflector 2, be fixed on the electromagnet 5 in the lamp socket 3, described electromagnet 5 comprises that the iron core bracket that is provided with installing hole, winding are at the solenoid of iron core bracket; The movable upper end that becomes light iron mandrel 1 is inserted in the installing hole, and is provided with spring 6 between electromagnet 5 and the change light iron mandrel 1; The upper end of fluorescent tube 4 is provided with tube face, and this tube face is provided with embedding slot 41, and the lower end that becomes light iron mandrel 1 is provided with the location division 11 that is inlaid in the embedding slot 41.When solenoid was switched on, change light iron mandrel 1 drove fluorescent tube 4 and moves upward under the effect in magnetic field, thereby realizes the distance light effect; And when when outage, become light iron mandrel 1 under the elastic force effect of spring 6, to reset, and drive fluorescent tube 4 and reset, thereby realize the dipped beam effect, therefore need not to switch fluorescent tube 4 and just can realize far and near lamp function, thereby prolong its service life.And, by adopting the design of embedding slot 41 and location division 11, during installation, can directly location division 11 be inlaid in the embedding slot 41, thereby improve its installation effectiveness.
Preferably, described electromagnet 5 has the polarity translation function, so its input need not to distinguish both positive and negative polarity, has the flexible characteristics of overstable conversion, installs simple and convenient.
Described reflector 2 is provided with window 21, and this headlight for vehicles also comprises the light barrier that can block on window 21, and this light barrier is connected on the tube face, and is positioned at the outside of fluorescent tube 4.By adopting the design of light barrier, can prevent the situation of light leak, improve its spotlight effect.
Described lamp socket 3 comprises the sleeve part 31 that is fixed on reflector 2 upper ends, be inserted into housing section 32 on the sleeve part 31, cover cap is at the lid 33 of housing section 32 opening parts; Be provided with the first sealing ring between described housing section 32 and the lid 33, be provided with the second sealing ring between sleeve part 31 and the housing section 32, in the cavity that described electromagnet 5 forms between housing section 32 and lid 33.By adopting the design of double sealing circle, can be convenient to improve the water resistance of product.
To one skilled in the art, can according to technical scheme described above and design, make other various corresponding changes and deformation, and these all changes and deformation should belong within the protection domain of the utility model claim all.
Claims (3)
1. headlight for vehicles, it is characterized in that: comprise the reflector, the lamp socket that is connected to the reflector upper end that become light iron mandrel, side and be provided with opening, be arranged on fluorescent tube in the reflector, be fixed on the electromagnet in the lamp socket, described electromagnet comprises iron core bracket, the solenoid of winding on iron core bracket that is provided with installing hole; The movable upper end that becomes light iron mandrel is inserted in the installing hole, and is provided with spring between electromagnet and the change light iron mandrel; The upper end of fluorescent tube is provided with tube face, and this tube face is provided with embedding slot, and the lower end that becomes light iron mandrel is provided with the location division that is inlaid in the embedding slot.
2. headlight for vehicles as claimed in claim 1, it is characterized in that: described reflector is provided with window, and this headlight for vehicles also comprises the light barrier that can block on window, and described light barrier is connected on the tube face, and is positioned at the outside of fluorescent tube.
3. headlight for vehicles as claimed in claim 1 is characterized in that: described lamp socket comprises the sleeve part that is fixed on the reflector upper end, be inserted into housing section on the sleeve part, cover cap is at the lid of housing section opening part; Be provided with the first sealing ring between described housing section and the lid, be provided with the second sealing ring between sleeve part and the housing section, in the cavity that described electromagnet forms between housing section and lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353643 CN202733737U (en) | 2012-07-19 | 2012-07-19 | Auto head lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353643 CN202733737U (en) | 2012-07-19 | 2012-07-19 | Auto head lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202733737U true CN202733737U (en) | 2013-02-13 |
Family
ID=47659432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220353643 Expired - Fee Related CN202733737U (en) | 2012-07-19 | 2012-07-19 | Auto head lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202733737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641963A (en) * | 2017-01-05 | 2017-05-10 | 中山市锐盈电子有限公司 | Magnetic suction double-beam lens device with U-shaped iron core |
| CN107654956A (en) * | 2017-09-29 | 2018-02-02 | 惠州市亚欣电器有限公司 | A kind of LED car lamp darkening mechanism |
-
2012
- 2012-07-19 CN CN 201220353643 patent/CN202733737U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641963A (en) * | 2017-01-05 | 2017-05-10 | 中山市锐盈电子有限公司 | Magnetic suction double-beam lens device with U-shaped iron core |
| CN107654956A (en) * | 2017-09-29 | 2018-02-02 | 惠州市亚欣电器有限公司 | A kind of LED car lamp darkening mechanism |
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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: 20130213 Termination date: 20150719 |
|
| EXPY | Termination of patent right or utility model |