CN100443804C - Vehicle cigarette lighter electric plug and its application - Google Patents
Vehicle cigarette lighter electric plug and its application Download PDFInfo
- Publication number
- CN100443804C CN100443804C CNB2006100536090A CN200610053609A CN100443804C CN 100443804 C CN100443804 C CN 100443804C CN B2006100536090 A CNB2006100536090 A CN B2006100536090A CN 200610053609 A CN200610053609 A CN 200610053609A CN 100443804 C CN100443804 C CN 100443804C
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- pole
- circuit board
- insulating base
- metal shell
- anodal
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Abstract
The invention discloses an electric plug for vehicle cigar lighter and the application. It comprises insulation base (1); positive conductive pillar (2) in insulation base (1), whose head is out; negative conductive ring (3) with top open mounted with the outer of insulation base (1), an insulation spacer which is set in conductive ring (3) and mounted to the outside of insulation base (1). The insulation spacer (4) can flexibly move relative to insulation base (1) and all the time have the trend that it is out of the top of negative conductive ring (3) upwards and positive conductive pillar (2) is hidden in it, and the central hole (41) opened on the top of insulation spacer (4) is limited by the mating between outer convex (42) at the bottom of insulation spacer (4) and inner convex (32) of negative conductive ring (3). When the electric plug is not inserted into jack of cigar lighter, top of the insulation spacer is on the positive conductive pillar and the positive conductive pillar is isolated with outside. So short circuit generated by contacting of positive and negative electrodes is avoided entirely and it is very safe and practical.
Description
Technical field
The present invention relates to a kind of power taking plug, relate to a kind of power taking plug and the application thereof that can on the socket of vehicle cigar lighter, use specifically.
Background technology
Now, along with the raising of developing of automobile industry and people's living standard, increasing automobile enters among the daily life.As everyone knows, vehicle itself carries the cigarette lighter socket that is connected with vehicle power supply, thereby the small electric apparatus of using in some cars just can utilize this cigarette lighter socket to come supply power, answer accessory, charger for mobile phone or the like such as hand-free in the car of automobile-used dust catcher, vehicle refrigerator, mobile phone, bring many facilities for people's life.Electric equipment products often have a power taking plug that can be fitted on the cigarette lighter socket in this car, and the user only needs this power taking plug is directly inserted in the socket of vehicle cigar lighter, can use electric equipment products in these cars, and is very easy.
At present, the existing power taking plug in market, the socket that cooperates cigar lighter, generally comprise the anodal conductive pole that is arranged on the insulating base and be arranged on the negative pole contact around the insulating base or be set in the negative pole conductive ring of insulating base periphery, this insulating base makes the isolated disconnection of positive and negative polarities, anodal conductive pole is used for contacting with the positive electrode of cigarette lighter socket bottom, negative pole contact or conductive ring around the anodal conductive pole then are used for contacting with the negative electrode of cigarette lighter socket sidewall, and the power taking plug just can obtain power supply from vehicle like this.As the patent No. is that Chinese utility model patent " automobile cigarette lighter plug ", the patent No. of ZL93206908.8 (notification number is CN2169222Y) is that Chinese utility model patent " plug configuration in cigar lighter hole ", the patent No. of ZL99208602.7 (notification number is CN2379347Y) is that the Chinese utility model patent " cigarette lighter plug structure " of ZL02240947.5 (notification number is CN2554042Y) all discloses so a kind of power taking plug.In actual use, because of its anodal conductive pole protrudes outside, and negative pole contact or negative pole conductive ring are also exposed outside, and positive pole is electrically connected easily with negative pole and causes short circuit, and is abnormally dangerous, has bigger potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of vehicle cigarette lighter electric plug that can effectively avoid the both positive and negative polarity short circuit at above-mentioned prior art present situation.
Another technical problem to be solved by this invention be utilize described vehicle cigarette lighter electric plug and provide a kind of can be with the chargeable flashlight of car charging.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this vehicle cigarette lighter electric plug, include insulating base, be arranged on the anodal conductive pole that insulating base is interior and head exposes and be set in the peripheral and open-topped negative pole conductive ring of this insulating base, it is characterized in that: also include one and be positioned within the described negative pole conductive ring, be enclosed within the insulation spacer outside the insulating base, this insulation spacer insulating base is relatively made telescopic movable, and the top of this insulation spacer has one can hold the medium pore that anodal conductive pole head exposes, and in the bottom that is positioned at the insulation spacer, the spring that is set in outside the insulating base supports down, this insulation spacer has the open top of upwards exposing the negative pole conductive ring and all the time with the trend in built-in this insulation spacer of anodal conductive pole, and bottom outward flange and the open top inward flange of negative pole conductive ring of this insulation spacer by the insulation spacer cooperatively interacts and spacing simultaneously.
Because of different automobiles, the degree of depth of its cigarette lighter socket is slightly different, can touch the positive terminal in the cigarette lighter socket of different depth for the anodal conductive pole that guarantees the power taking plug, can carry out following design: described insulating base inner chamber is divided into two chambers up and down by a central dividing plate, the head cross section of wherein said anodal conductive pole is the T type and is contained in the upper chamber, outside this positive pole conductive pole, be with support spring, the afterbody of anodal conductive pole then passes the medium pore of the central dividing plate of insulating base, and has bifurcated at the tail end of the afterbody of described anodal conductive pole, described bifurcated is stuck under the central dividing plate, like this, the head of anodal conductive pole is because of the effect of support spring, can longitudinal extension, for the cigarette lighter socket of different depth, can touch its positive terminal.
As further optimization, described negative pole conductive ring can have at least two vertical slits near head position, the negative pole conductive ring makes it laterally have certain expansion ratio because of the design of vertical slit like this, made things convenient for plug to be inserted among the cigarette lighter socket, guaranteed that also the negative pole conductive ring can touch the negative pole end of cigarette lighter socket fully.
The application of a reality is that this vehicle cigarette lighter electric plug is applied on the chargeable flashlight, it includes metal shell, be positioned at the rechargeable battery within the metal shell, charging circuit board, be arranged on the luminous circuit board of metal shell afterbody and be arranged on light-emitting component on the luminous circuit board, wherein, described vehicle cigarette lighter electric plug is connected on the top of metal shell by the fixing of its negative pole conductive ring and this metal shell top, and described charging circuit board places within the insulating base under the described central dividing plate, and charging circuit board just, negative input respectively with described anodal conductive pole, the negative pole conductive ring is electrically connected, and described rechargeable battery just, negative pole respectively with the positive output end of charging circuit board, metal shell is electrically connected, and described luminous circuit board just, negative input respectively with the positive pole of rechargeable battery, metal shell is electrically connected.
For strengthening the illuminating effect of light-emitting component, described light-emitting component generally can be arranged with convergent bowl in its periphery, negative pole input for ease of luminous circuit board, can utilize the negative pole end that metal shell itself has and be electrically connected to the negative input of luminous circuit board by another conductive component, that is: the tailing screw flight of described metal shell is connected with the metallic lamp holder outer cover, and this convergent bowl and luminous circuit board are contained in the described metallic lamp holder outer cover, the negative input of described luminous circuit board just links to each other with this metallic lamp holder outer cover.
Because of the metallic lamp holder outer cover outside the luminous component is to be threaded in the metal shell afterbody, pine is tight sometimes sometimes between metallic lamp holder outer cover and the metal shell, on the good electrode input end that is electrically connected to luminous circuit board of the positive pole energy of assurance rechargeable battery, also be provided with fixed support and anodal spring contact between the afterbody of described metal shell and the luminous circuit board, these fixed support central authorities have through hole, the head cross section of this positive pole spring contact is the T type and is contained in the support bracket fastened center through hole, outside this positive pole spring contact, be with little spring, the afterbody of anodal spring contact then passes support bracket fastened center through hole, and having bifurcated at the tail end of the afterbody of described anodal spring contact, described bifurcated is stuck on the fixed support.
Compared with prior art, the invention has the advantages that: by between anodal conductive pole and negative pole conductive ring, the insulation spacer being set, and, under the power taking plug is not inserted into state within the cigarette lighter socket, the top of this insulation spacer is positioned on the anodal conductive pole, anodal conductive pole is hedged off from the outer world, has thoroughly stopped positive and negative polarities and touched mutually and be short-circuited, as safe as a house, practical; And the setting of support spring under the anodal conductive pole can be fitted on the cigarette lighter socket of different depth the power taking plug; Simultaneously, the application of power taking plug of the present invention on chargeable flashlight can be charged chargeable flashlight with car, and be very convenient.The present invention can also be applied on other the electric equipment products, and numerous electric equipment products can both be used with car.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is applied to the structural representation of chargeable flashlight for the embodiment of the invention;
Fig. 4 is the structural representation after the insulation sleeve among Fig. 3 is compressed.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, this vehicle cigarette lighter electric plug includes insulating base 1, is arranged in the insulating base 1 and anodal conductive pole 2 that head exposes, is set in the peripheral and open-topped negative pole conductive ring 3 and of this insulating base 1 and is positioned within the described negative pole conductive ring 3, is enclosed within the insulation spacer 4 outside the insulating base 1;
Wherein, described negative pole conductive ring 3 has at close head position and is evenly distributed with six vertical slits 31, makes described negative pole conductive ring 3 have certain dilatability;
Described insulating base 1 inner chamber is divided into two chambers 12,13 up and down by a central dividing plate 11, the head cross section of wherein anodal conductive pole 2 is the T type and is contained in the upper chamber 12, outside this positive pole conductive pole 2, be with support spring 22, the afterbody of anodal correcting utmost point conductive pole 2 then passes the medium pore of the central dividing plate 11 of insulating base 1, and having bifurcated 21 at the tail end of the afterbody of described anodal conductive pole 2, described bifurcated 21 is stuck under the central dividing plate 11.
The top of described insulation spacer 4 has one can hold the medium pore 41 that anodal conductive pole 2 heads expose, and in the bottom that is positioned at insulation spacer 4, be set under spring 43 outside the insulating base 1 supports, make the insulation spacer 4 relatively insulating base 1 make telescopic movable, and have all the time and upwards expose outside the open top of negative pole conductive ring 3, and with the trend of ensconcing in the anodal conductive pole 2 in this insulation spacer 4, simultaneously, the open top inward flange 32 of this insulation spacer 4 by insulation bottom outward flange 42 of spacer 4 and negative pole conductive ring 3 cooperatively interacts and spacing.
As shown in Figure 3 and Figure 4, be the chargeable flashlight embodiment that an application has vehicle cigarette lighter electric plug of the present invention, include metal shell 5, be positioned at rechargeable battery 6, charging circuit board 7 within the metal shell 5, be arranged on the luminous circuit board 8 of metal shell 5 afterbodys and be arranged on light-emitting component 81 on the luminous circuit board 8, in the present embodiment, light-emitting component 81 is two LED;
Wherein, described vehicle cigarette lighter electric plug is connected on the top of metal shell 5 by its negative pole conductive ring 3 and the fixing of these metal shell 5 tops, and charging circuit board 7 places within insulating base 1 lower chambers 13 under described insulating base 1 central dividing plate 11;
Described light-emitting component 81 outer race are provided with convergent bowl 82, and the tailing screw flight of metal shell 5 is connected with metallic lamp holder outer cover 10, and this convergent bowl 82 and luminous circuit board 8 and light-emitting component 81 are contained in the described metallic lamp holder outer cover 10;
The positive and negative electrode input of charging circuit board 7 is electrically connected with anodal conductive pole 2, negative pole conductive ring 3 respectively, and the positive and negative electrode of rechargeable battery 6 is electrically connected with cathode output end, the metal shell 5 of charging circuit board 7 respectively, and the positive and negative electrode input of luminous circuit board 8 is electrically connected with positive pole, the metallic lamp holder outer cover 10 of rechargeable battery 6 respectively;
And, also be provided with fixed support 9 and anodal spring contact 92 between the afterbody of described metal shell 5 and the luminous circuit board 8, these fixed support 9 central authorities have through hole 91, the head cross section of this positive pole spring contact 92 is the T type and is contained in the center through hole 91 of fixed support 9, outside this positive pole spring contact 92, be with little spring 93, the center through hole 91 that the afterbody of anodal spring contact 92 then passes fixed support 9, and has bifurcated 94 at the tail end of the afterbody of described anodal spring contact 92, this bifurcated 94 is stuck under the fixed support 9, thereby makes this positive pole spring contact 92 have the trend that contacts to luminous circuit board 8 all the time.
Chargeable flashlight is when reality is used like this, be electrically connected to the electrode input end of luminous circuit board 8 through anodal spring contact 92 from the positive pole of rechargeable battery 6, and the negative pole of rechargeable battery 6 passes through metal shell 5, metallic lamp holder outer cover 10 successively, then the negative input with luminous circuit board 8 is electrically connected, and forms luminous loop.
Claims (6)
1, a kind of vehicle cigarette lighter electric plug, include insulating base (1), be arranged on the anodal conductive pole (2) that insulating base (1) is interior and head exposes and be set in the peripheral and open-topped negative pole conductive ring (3) of this insulating base (1), it is characterized in that: also include one and be positioned within the described negative pole conductive ring (3), be enclosed within the insulation spacer (4) outside the insulating base (1), this insulation spacer (4) insulating base (1) is relatively made telescopic movable, and the top of this insulation spacer (4) has one can hold the medium pore (41) that anodal conductive pole (2) head exposes, and in the bottom that is positioned at insulation spacer (4), the spring (43) that is set in outside the insulating base (1) supports down, this insulation spacer (4) has the open top of upwards exposing negative pole conductive ring (3) and all the time with the trend of ensconcing in the anodal conductive pole (2) in this insulation spacer (4), and bottom outward flange (42) and the open top inward flange (32) of negative pole conductive ring (3) of this insulation spacer (4) by the spacer (4) that insulate cooperatively interacts and spacing simultaneously.
2, vehicle cigarette lighter electric plug according to claim 1, it is characterized in that: described insulating base (1) inner chamber is divided into two chambers (12 up and down by a central dividing plate (11), 13), the head cross section of wherein said anodal conductive pole (2) is the T type and is contained in the upper chamber (12), outside this positive pole conductive pole (2), be with support spring (22), the afterbody of anodal conductive pole (2) then passes the medium pore of the central dividing plate (11) of insulating base (1), and having bifurcated (21) at the tail end of the afterbody of described anodal conductive pole (2), described bifurcated (21) is stuck under the central dividing plate (11).
3, vehicle cigarette lighter electric plug according to claim 1 is characterized in that: described negative pole conductive ring (3) is having at least two vertical slits (31) near head position.
4, a kind of chargeable flashlight of using just like claim 1 or 2 or 3 described vehicle cigarette lighter electric plugs, described chargeable flashlight is characterised in that: include metal shell (5), be positioned at the rechargeable battery (6) within the metal shell (5), charging circuit board (7), be arranged on the luminous circuit board (8) of metal shell (5) afterbody and be arranged on light-emitting component (81) on the luminous circuit board (8), wherein, described vehicle cigarette lighter electric plug is connected on the top of metal shell (5) by its negative pole conductive ring (3) and the fixing of this metal shell (5) top, and described charging circuit board (7) places within the insulating base (1) under the described central dividing plate (11), and charging circuit board (7) just, negative input respectively with described anodal conductive pole (2), negative pole conductive ring (3) is electrically connected, and described rechargeable battery (6) just, negative pole respectively with the positive output end of charging circuit board (7), metal shell (5) is electrically connected, and described luminous circuit board (8) just, negative input respectively with the positive pole of rechargeable battery (6), metal shell (5) is electrically connected.
5, chargeable flashlight according to claim 4, it is characterized in that: described light-emitting component (81) outer race is provided with convergent bowl (82), the tailing screw flight of described metal shell (5) is connected with metallic lamp holder outer cover (10), and this convergent bowl (82) and luminous circuit board (8) are contained in the described metallic lamp holder outer cover (10), the negative input of described luminous circuit board (8) just links to each other with this metallic lamp holder outer cover (10).
6, chargeable flashlight according to claim 5, it is characterized in that: be provided with fixed support (9) and anodal spring contact (92) between the afterbody of described metal shell (5) and the luminous circuit board (8), this fixed support (9) central authorities have through hole (91), the head cross section of this positive pole spring contact (92) is the T type and is contained in the center through hole (91) of fixed support (9), outside this positive pole spring contact (92), be with little spring (93), the center through hole (91) that the afterbody of anodal spring contact (92) then passes fixed support (9), and having bifurcated (94) at the tail end of the afterbody of described anodal spring contact (92), described bifurcated (94) is stuck on the fixed support (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100536090A CN100443804C (en) | 2006-09-27 | 2006-09-27 | Vehicle cigarette lighter electric plug and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100536090A CN100443804C (en) | 2006-09-27 | 2006-09-27 | Vehicle cigarette lighter electric plug and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1928437A CN1928437A (en) | 2007-03-14 |
| CN100443804C true CN100443804C (en) | 2008-12-17 |
Family
ID=37858509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100536090A Expired - Fee Related CN100443804C (en) | 2006-09-27 | 2006-09-27 | Vehicle cigarette lighter electric plug and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100443804C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218474A (en) * | 2016-08-31 | 2016-12-14 | 陈庆 | A kind of car fills USB portable type fire-taking device |
| CN110745050B (en) * | 2018-07-23 | 2020-11-10 | 北京零微科技有限公司 | Vehicle-mounted cigarette lighting device capable of detecting air quality |
| CN110739576B (en) * | 2019-09-22 | 2021-04-13 | 苏州浪潮智能科技有限公司 | VGA line joint prevents curved needle mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3919521A (en) * | 1973-04-03 | 1975-11-11 | Tokai Rika Co Ltd | Ignition plug for electric cigarette lighter |
| CN2169222Y (en) * | 1993-03-12 | 1994-06-15 | 周文三 | Vehicle cigarette lighter |
| CN2282274Y (en) * | 1996-11-12 | 1998-05-20 | 周静红 | General plug for automabile power supply |
| CN2308796Y (en) * | 1997-07-19 | 1999-02-24 | 董跃祥 | Automative rechargable lighting, self-defennse and alarming electric torch |
| CN2379347Y (en) * | 1999-04-23 | 2000-05-24 | 陈素月 | Plug structure for cigarette-lighter |
| CN1400121A (en) * | 2001-08-06 | 2003-03-05 | 致伸科技股份有限公司 | Plug for cigarette lighter |
-
2006
- 2006-09-27 CN CNB2006100536090A patent/CN100443804C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3919521A (en) * | 1973-04-03 | 1975-11-11 | Tokai Rika Co Ltd | Ignition plug for electric cigarette lighter |
| CN2169222Y (en) * | 1993-03-12 | 1994-06-15 | 周文三 | Vehicle cigarette lighter |
| CN2282274Y (en) * | 1996-11-12 | 1998-05-20 | 周静红 | General plug for automabile power supply |
| CN2308796Y (en) * | 1997-07-19 | 1999-02-24 | 董跃祥 | Automative rechargable lighting, self-defennse and alarming electric torch |
| CN2379347Y (en) * | 1999-04-23 | 2000-05-24 | 陈素月 | Plug structure for cigarette-lighter |
| CN1400121A (en) * | 2001-08-06 | 2003-03-05 | 致伸科技股份有限公司 | Plug for cigarette lighter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1928437A (en) | 2007-03-14 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20100927 |