CN104882308A - Automobile brake lamp switch structure - Google Patents
Automobile brake lamp switch structure Download PDFInfo
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- CN104882308A CN104882308A CN201410108392.3A CN201410108392A CN104882308A CN 104882308 A CN104882308 A CN 104882308A CN 201410108392 A CN201410108392 A CN 201410108392A CN 104882308 A CN104882308 A CN 104882308A
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- contact
- movable contact
- static contact
- shell
- spring
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Abstract
The invention discloses an automobile brake lamp switch structure, which comprises an outer shell, wherein a first static contact piece and a second static contact piece are arranged on the outer shell, and the first static contact piece and the second static contact piece are each provided with a contact surface vertical to the shell wall of the outer shell; a moving contact matched with the first static contact piece and the second static contact piece is arranged in the outer shell, a moving contact spring is arranged under the moving contact, the moving contact spring presses the moving contact tightly so that two ends of the moving contact are in contact and conducted with the contact surfaces of the first static contact piece and the second static contact piece, and an ejection rod is arranged on the moving contact; and the contact surface of the first static contact piece is positioned higher than that of the second static contact piece, and a silver contact is arranged on the contact surface of the first static contact piece. The automobile brake lamp switch structure can effectively reduce arc through the contact structural position and the conduction relation, prevents the contact pieces from erosion, prolongs the service life of a brake lamp switch, is convenient and simple in installation method, and can be widely used in the field of automobile brake lamp switches.
Description
Technical field
The present invention relates to vehicle switch field, especially relate to a kind of automobile brake light switch structure.
Background technology
Automobile brake light switch uses frequent, and therefore, requirement is than other vehicle switch longer service life.Traditional braking light switch does not adopt safeguard measure due to contact, causes ablation, can only reach general useful life of closing.And traditional braking lamp switch push rod with between movable contact spring for directly to contact, impact by external mandril in contact motion process is larger, and contact is longer to the distance on push rod top, therefore the beat slightly on push rod top, contact just there will be larger position skew, movable contact spring can not effectively steadily be contacted with static contact, and pitting of contact is serious, and the life-span declines.As Chinese Patent Application No. 2011202586974 discloses a kind of switch of automobile brake lamp, comprise housing and cap, push rod, the positive and negative electrode stitch of corresponding matching, one end of positive electrode stitch and one end of negative electrode stitch respectively connected electrode; One end of push rod extends outside the push-rod hole of housing, and the other end of push rod is U-shaped end, and in U-shaped end, both sides are respectively equipped with magnet piece, and the two ends of push rod U-shaped end respectively connected spring, and the other end of every root spring is connected to the inner side of cap; Positive and negative electrode stitch is located on cap respectively; the electrode tip of positive and negative electrode stitch lays respectively at cap inside, and wherein a stitch is L shape, makes the contact of the two electrode corresponding up and down; the tip side of the two electrode lays respectively in seal protection body, and seal protection body is corresponding with the middle part of push rod U-shaped end.This invention switch contact and atmospheric isolation, prevent contact oxidation and lost efficacy, and improves switch life to meet automobile user demand.But this infrastructure cost is relatively high.
In addition, traditional braking light switch housing is generally divided into two parts, and internal structure is more, and assembling is wasted time and energy, and efficiency is low.
Summary of the invention
The object of this invention is to provide a kind of automobile brake light switch structure, solve short problem in existing braking light switch useful life.
The technical solution adopted for the present invention to solve the technical problems is: a kind of automobile brake light switch structure, comprises shell, and with the upper cover of shell clamping, the screw rod be fixedly connected with upper cover, the push rod of screw rod is stretched out in one end; Described shell is provided with the first static contact and the second static contact, described first static contact and the second static contact are provided with the contact-making surface perpendicular to shell shell wall; The movable contact spring coordinated with the first static contact, the second static contact is also provided with in described shell, being provided with compression movable contact spring below movable contact spring makes movable contact spring two ends contact the movable contact spring spring of conducting with the contact-making surface of the first static contact, the second static contact respectively, and described push rod is placed in the top of movable contact spring; The contact-making surface position of described first static contact higher than the second static contact contact-making surface, and is provided with silver contact on the contact-making surface of the first static contact, and one end that described movable contact spring crashes with the first static contact is also provided with silver contact.
For ensureing there is certain safety clearance between movable contact spring and push rod, the top of described movable contact spring is also provided with movable contact flat support, and movable contact flat support is provided with draw-in groove, is provided with the collet coordinated with draw-in groove bottom described push rod.
For making movable contact flat support installing convenient, described shell one sidewall also extends internally and is provided with limited wall, described movable contact flat bracket clamp is in the cavity that limited wall and shell one sidewall are encircled into, described movable contact flat support is provided with movable contact flat, side wall of outer shell is provided with the inserted sheet coordinated with movable contact flat.
For improving installation effectiveness, be also provided with the base with shell clamping below described shell, base is provided with support bar, be provided with return spring in described push rod, return spring one end withstands on the end of support bar.
Further, described draw-in groove is circular configuration, and the front end of draw-in groove is provided with opening convenient for assembly, and collet is the circle suitable with draw-in groove.
Preferably, described screw rod is fixed on as insert injection molding and covers.
Beneficial effect of the present invention: arranged by the contact-making surface height of the first static contact and the second static contact, and the first static contact contact-making surface set high in place arranges silver contact, during the braking light switch conducting made, contact conducting after first static contact, during disconnection, the first static contact first disconnects, therefore, circuit is switching on and off moment, generation current punctures and all occurs on the first static contact with electric arc, and the silver contact of the first static contact has conduction, advantage that thermal conductivity is good, and arc resistant corrosivity is good simultaneously.Effectively can improve the useful life of braking light switch.Described push rod and the clamping of movable contact flat support, make push rod have certain free gap, and when avoiding slight External Force Acting on push rod, movable contact spring conducting, affects the useful life of braking light switch.Described understructure, effectively can improve the installation effectiveness of whole braking light switch, and described support bar can play the installation positioning action to push rod simultaneously, and can simplify the internal structure of braking light switch, the injection mo(u)lding of Convenient switch each several part part.
Below with reference to drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is cutaway view of the present invention.
Fig. 2 is the structural representation that shell of the present invention and push rod have assembled.
Fig. 3 is the internal structure schematic diagram after shell of the present invention is separated with movable contact flat support.
Fig. 4 is the assembling schematic diagram of movable contact flat support of the present invention and push rod.
Fig. 5 is the structural representation of base of the present invention.
Embodiment
Embodiment, as shown in Fig. 1 to 5, a kind of automobile brake light switch structure, this braking light switch structure is formed by the mutual clamping of shell 1, base 15 and upper cover 2, described upper cover 2 is also fixedly installed injection moulding inserts screw rod 3.Described shell 1 is installed with the first static contact 5 and the second static contact 6, first static contact 5 and the second static contact 6 are provided with the contact-making surface perpendicular to shell 1 shell wall, the contact-making surface position of described first static contact 5 is higher than the second static contact 6 contact-making surface, and riveted joint has silver contact 8 on the contact-making surface of the first static contact 5.Described base 15 is provided with support bar 16, base 15 is provided with contact chip spring 18, support bar 16 is positioned at contact chip spring 18.The top of described contact chip spring 18 is placed with movable contact spring 7, and movable contact spring 7 contacts conducting with the first static contact 5 with the contact-making surface of the second static contact 6 respectively under the spring force of movable contact spring spring 18.The top of movable contact spring 7 is provided with the push rod 4 promoting movable contact spring 7 and move up and down, and push rod 4 passes screw rod 3 and exceeds screw rod 3.The bottom of described push rod 4 is also provided with a placement hole, is provided with return spring 17 in placement hole, and support bar 16 to stretch in placement hole and props up return spring 17.Under the effect of push rod 4, because movable contact spring 7 is under the effect of movable contact spring spring 18, is in heeling condition and contacts conducting with the first static contact 5 with the contact-making surface of the second static contact 6.Instantly bear down on one bar 4 time, the contact-making surface of the first static contact 5 that movable contact spring 7 is first high with position is separated, and circuit disconnects, and makes movable contact spring 7 level move downward simultaneously, then is separated with the base surface of the second static contact 6.When unclamping pedal, movable contact spring 7 moves upward under the effect of movable contact spring spring 18, first contacts with the contact-making surface of the second static contact 6, spring force continuation effect, make movable contact spring 7 run-off the straight, the other end of movable contact spring 7 is contacted with the contact-making surface of the first static contact 5, circuit turn-on.The moment of circuit turn-on and disconnection can produce electric arc, ablation, affects the useful life of contact.And the silver contact 8 on the first static contact 5 can be good at protecting contact, reduce the effect of electric arc, thus improve the useful life of braking light switch.
Described shell 1 one sidewall also extends internally and is provided with limited wall 12, is installed with movable contact flat support 9 in limited wall 12.Described movable contact flat support 9 is provided with movable contact flat 13, shell 1 sidewall is provided with the inserted sheet 14 coordinated with movable contact flat 13.Movable contact flat support 9 is provided with draw-in groove 10, bottom described push rod 4, is provided with the collet 11 coordinated with draw-in groove 10.Push rod 4 to be installed in draw-in groove 10 by collet 11 thus to be fixed on movable contact flat support 9.Described draw-in groove 10 is circular configuration, and the front end of draw-in groove 10 is provided with opening convenient for assembly, and collet 11 is the circle suitable with draw-in groove 10.This structure installment is convenient, and makes push rod 4 have certain free gap, makes push rod 4 under slight External Force Acting, can not cause contact and the disconnection of movable contact spring 7, improves the stability of braking light switch, thus extends the useful life of braking light switch.
After entrucking completes, when not stepping on brake pedal, push rod 4 pressurized, time movable contact spring 7 be in extreme lower position, now, movable contact spring 7 and the first static contact 5, second static contact 6 disconnect, inserted sheet 14 contacts conducting with movable contact flat 13, and braking light switch outputs signal to car body controller.When pushing down on the pedal, push rod 4 moves upward under the effect of movable contact spring spring 18, movable contact spring 7 is made to contact conducting with the first static contact 5, second static contact 6, simultaneously, push rod 4 carries out up under the effect of return spring 17, movable contact flat 13 and inserted sheet 14 are disconnected, and braking light switch work, lights automobile tail Brake lamp.
During assembling, first the first static contact 5 and the second static contact 6 and inserted sheet 14 are installed on shell 1, push rod 4 are installed on movable contact flat support 9, then movable contact flat support 9 is installed on shell 1, form a shell sub-unit.Screw rod 3 is fixed on upper cover 2 as upper cover insert injection molding and forms upper cover sub-unit, be enclosed within support bar 16 by return spring 17 again, movable contact spring spring 18 is placed on base 15, base 15 and shell 1 is clamped successively, again shell 1 and upper cover 2 are clamped, namely complete assembling.Assembling is simple, and easy to operate, efficiency is high.
Claims (6)
1. an automobile brake light switch structure, comprise shell (1), with the upper cover (2) of shell (1) clamping, the screw rod (3) be fixedly connected with upper cover (2), the push rod (4) of screw rod (3) is stretched out in one end; It is characterized in that: described shell (1) is provided with the first static contact (5) and the second static contact (6), described first static contact (5) and the second static contact (6) are provided with vertical and contact-making surface that is shell (1) shell wall; The movable contact spring (7) coordinated with the first static contact (5), the second static contact (6) is also provided with in described shell (1), movable contact spring (7) below is provided with compression movable contact spring (7) makes movable contact spring (7) two ends contact the movable contact spring spring (18) of conducting with the contact-making surface of the first static contact (5), the second static contact (6) respectively, and described push rod (4) is placed in the top of movable contact spring (7); The contact-making surface position of described first static contact (5) is higher than the second static contact (6) contact-making surface, and on the contact-making surface of the first static contact (5), being provided with silver contact (8), one end that described movable contact spring (7) and the first static contact (5) crash also is provided with silver contact.
2. automobile brake light switch structure as claimed in claim 1, it is characterized in that: the top of described movable contact spring (7) is also provided with movable contact flat support (9), movable contact flat support (9) is provided with draw-in groove (10), described push rod (4) bottom is provided with the collet (11) coordinated with draw-in groove (10).
3. automobile brake light switch structure as claimed in claim 2, it is characterized in that: described shell (1) sidewall also extends internally and is provided with limited wall (12), described movable contact flat support (9) is stuck in the cavity that limited wall (12) and shell (1) sidewall be encircled into, described movable contact flat support (9) is provided with movable contact flat (13), shell (1) sidewall is provided with the inserted sheet (14) coordinated with movable contact flat (13).
4. the automobile brake light switch structure as described in claims 1 to 3 any one, it is characterized in that: described shell (1) below is also provided with the base (15) with shell (1) clamping, base (15) is provided with support bar (16), be provided with return spring (17) in described push rod (4), return spring (17) one end withstands on the end of support bar (16).
5. automobile brake light switch structure as claimed in claim 2, it is characterized in that: described draw-in groove (10) is circular configuration, and the front end of draw-in groove (10) is provided with opening convenient for assembly, collet (11) is the circle suitable with draw-in groove (10).
6. automobile brake light switch structure as claimed in claim 1, is characterized in that: described screw rod (10) is fixed on upper cover (2) as insert injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410108392.3A CN104882308A (en) | 2014-03-21 | 2014-03-21 | Automobile brake lamp switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410108392.3A CN104882308A (en) | 2014-03-21 | 2014-03-21 | Automobile brake lamp switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104882308A true CN104882308A (en) | 2015-09-02 |
Family
ID=53949767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410108392.3A Pending CN104882308A (en) | 2014-03-21 | 2014-03-21 | Automobile brake lamp switch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104882308A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336530A (en) * | 2015-10-28 | 2016-02-17 | 武汉天运汽车电器有限公司 | Novel normally open and normally closed general structure of transmission switch |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11245717A (en) * | 1998-02-06 | 1999-09-14 | Choryo Ho | Two-stage type stop lamp switch |
| CN1571090A (en) * | 2004-03-02 | 2005-01-26 | 李林清 | Multi-time display switch for automobile brake light |
| JP2009064648A (en) * | 2007-09-06 | 2009-03-26 | Panasonic Corp | Switch for vehicle |
| CN201256086Y (en) * | 2008-09-03 | 2009-06-10 | 上海东洋电装有限公司 | Switch device for automobile brake lamp |
| CN102290265A (en) * | 2011-07-22 | 2011-12-21 | 上海阳明汽车部件有限公司 | Two-way stop lamp switch |
| CN202633067U (en) * | 2012-06-11 | 2012-12-26 | 浙江阳明汽车部件有限公司 | Automobile braking light switch and braking system |
| CN202871638U (en) * | 2012-10-25 | 2013-04-10 | 昌辉汽车电器（黄山）股份公司 | Double-path-controlled brake lamp switch |
| CN203250650U (en) * | 2013-02-06 | 2013-10-23 | 重庆市大明汽车电器有限公司 | Nut-type brake light switch |
| CN203774117U (en) * | 2014-03-21 | 2014-08-13 | 黄山市瑞兴汽车电子有限公司 | Automobile brake lamp switch structure |
-
2014
- 2014-03-21 CN CN201410108392.3A patent/CN104882308A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11245717A (en) * | 1998-02-06 | 1999-09-14 | Choryo Ho | Two-stage type stop lamp switch |
| CN1571090A (en) * | 2004-03-02 | 2005-01-26 | 李林清 | Multi-time display switch for automobile brake light |
| JP2009064648A (en) * | 2007-09-06 | 2009-03-26 | Panasonic Corp | Switch for vehicle |
| CN201256086Y (en) * | 2008-09-03 | 2009-06-10 | 上海东洋电装有限公司 | Switch device for automobile brake lamp |
| CN102290265A (en) * | 2011-07-22 | 2011-12-21 | 上海阳明汽车部件有限公司 | Two-way stop lamp switch |
| CN202633067U (en) * | 2012-06-11 | 2012-12-26 | 浙江阳明汽车部件有限公司 | Automobile braking light switch and braking system |
| CN202871638U (en) * | 2012-10-25 | 2013-04-10 | 昌辉汽车电器（黄山）股份公司 | Double-path-controlled brake lamp switch |
| CN203250650U (en) * | 2013-02-06 | 2013-10-23 | 重庆市大明汽车电器有限公司 | Nut-type brake light switch |
| CN203774117U (en) * | 2014-03-21 | 2014-08-13 | 黄山市瑞兴汽车电子有限公司 | Automobile brake lamp switch structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105336530A (en) * | 2015-10-28 | 2016-02-17 | 武汉天运汽车电器有限公司 | Novel normally open and normally closed general structure of transmission switch |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150902 |