CN204775212U - Car brake pedal position sensor - Google Patents
Car brake pedal position sensor Download PDFInfo
- Publication number
- CN204775212U CN204775212U CN201520493827.0U CN201520493827U CN204775212U CN 204775212 U CN204775212 U CN 204775212U CN 201520493827 U CN201520493827 U CN 201520493827U CN 204775212 U CN204775212 U CN 204775212U
- Authority
- CN
- China
- Prior art keywords
- contact
- brake pedal
- hollow bolt
- circuit board
- printed circuit
- 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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- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model provides a car brake pedal position sensor installs on car brake pedal, include the hollow bolt, can have the last sheath of connector stitch and lower sheath and the reset spring who has the connector at the guide arm of hollow bolt internal motion. The upper end of going up the sheath is provided with the threaded shoulder hole for location installation hollow bolt, the screw rod of hollow bolt is located the sheath outside, have printed circuit board in the upper end position welding of connector stitch, the guide arm passes printed circuit board, guide arm lower extreme fixed mounting has contact of contact -carrying. When not trampling brake pedal, the contact of contact on with printed circuit board contacts. Reset spring lies in between the terminal surface of guide arm lower extreme and lower sheath. The utility model discloses simple structure, the equipment is convenient, the reliability is high, can effectively avoid when trampling brake pedal because of the contact of contact with the risk that the piece can not the dead contact arouses that the signal causes unusually switches on.
Description
Technical field
The utility model relates to position transduser, particularly relates to a kind of automobile brake pedal position transduser.
Background technology
Now widely used contact contact automobile brake pedal position transduser, is the movement of brake pedal position sensor guide rod when relying on pedal to step on, after the contact on contact is contacted with conducting sheet, sends speed-slackening signal.There is following shortcoming in this sensor:
1. poor reliability: after Long-Time Service, the contact of movement repeatedly easily damages, and when causing pedal to be stepped on, the contact on contact likely can not contact completely with conducting sheet, thus causes abnormal signal, causes risk;
2. connector stitch is without installation and positioning structure, easily offsets when connector stitch inserts connector.
Utility model content
The purpose of this utility model is the automobile brake pedal position transduser providing a kind of reliability high for the problems referred to above.
Technical solution of the present utility model is:
Automobile brake pedal position transduser provided by the utility model is arranged on automobile brake pedal, the guide rod that it comprises hollow bolt, can move in hollow bolt, upper jacket with connector stitch and the lower jacket with connector and retracing spring, its special character is: the upper end of described upper jacket is provided with threaded stepped hole, in order to location and installation hollow bolt; After installation, the screw rod of hollow bolt is positioned at outside upper jacket; Described connector stitch upper-end part of driving is welded with printed circuit board (PCB); Described guide rod is through printed circuit board (PCB), and lower end of the guide rod is installed with the contact contact of contact-carrying, and when not trampling brake pedal, the contact on contact contact contacts with described printed circuit board (PCB); Described retracing spring is between lower end of the guide rod and the inner end surface of lower jacket.
For simplified structure, make sensor easy to assembly, enhance productivity, the utility model by guide rod with contact contact be cast as one.
When sensor is assembled, because connector stitch easily produces skew when inserting in connector, be head it off, above-mentioned connector stitch is designed to broken line type by the utility model.
As further optimization, the utility model is provided with groove or projection at the inner end surface of lower jacket and/or the lower surface of guide rod, for better fixed reset spring.
The utility model has the advantages that:
1. reliability is high
The utility model is not when stepping on brake pedal, and the contact of contact contact contacts with printed circuit board (PCB).When trampling brake pedal, the contact of contact contact departs from printed circuit board (PCB), and sensor sends signal and passes to electronic control unit (ECU).Effectively prevent when trampling brake pedal, the risk that the contact because of contact can not contact completely with conducting sheet and cause abnormal signal to cause.
2. structure is simple, easy to assembly.
Contact contact and guide rod are cast as one by the utility model, simplify the structure of sensor, easy to assembly, improve production efficiency.
3. install and have good positioning
Connector stitch is designed to fold-line-shaped by the utility model, and when sensor is installed, the horizontal segment of meander line structure can effectively avoid the position of connector stitch to produce skew.
Accompanying drawing explanation
Fig. 1 is the section-drawing of automobile brake pedal position transduser provided by the utility model;
Fig. 2 is the partial enlarged drawing of this contact 5;
Wherein: 1-guide rod; 2-hollow bolt; 3-upper jacket; 4-contact; 5-contact; 6-lower jacket; 7-connector stitch; 8-retracing spring; 9-printed circuit board (PCB).
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model will be further described:
As shown in Figure 1, a kind of automobile brake pedal position transduser involved by the utility model, its guide rod 1 including hollow bolt 2, can move in hollow bolt 2, the upper jacket 3 with connector stitch 7 and the lower jacket 6 with connector and retracing spring 8.The upper end of upper jacket 3 is provided with threaded stepped hole, in order to location and installation hollow bolt 2; After installation, the screw rod of hollow bolt 2 is positioned at the outside of upper jacket 3; Connector stitch 7 upper-end part of driving is welded with printed circuit board (PCB) 9; Guide rod 1 is through printed circuit board (PCB) 9, and guide rod 1 lower end is installed with the contact contact 5 of contact-carrying 4.When not trampling brake pedal, contact 4 contacts with printed circuit board (PCB) 9; Retracing spring 8 is between guide rod 1 lower end and the inner end surface of lower jacket 6.
For simplified structure, easy to assembly, the utility model by guide rod 1 with contact contact 5 be cast as one.
When sensor is assembled, for avoiding connector stitch 7 to produce skew, connector stitch 7 is designed to broken line type by the utility model, when connector stitch 7 inserts in connector, the horizontal segment of meander line structure can play positioning action, prevents connector stitch 7 from producing skew.
For better position reset spring, the present embodiment is provided with groove in the bottom of guide rod 1 and the inner of lower jacket, and corresponding groove is put at the two ends of retracing spring 8 respectively.
Specific works process of the present utility model is:
When stepping on brake pedal, guide rod 1 moves down in hollow bolt 2, the contact 4 contacted on contact 5 is departed from printed circuit board (PCB) 9, the output signal of the switch circuit now on printed circuit board (PCB) 9 changes, signal passes to lower jacket 6 by connector stitch 7, by lower jacket 6 again by signal transmission to electronic control unit (ECU).The utility model, when contact 4 departs from printed circuit board (PCB) 9, can send electric signal, avoids existing automobile pedal position sensor and causes abnormal signal to cause risk because the contact disk normal phase uses fragile, improve the reliability of sensor.
When loosen the brake, under the effect of retracing spring 8, guide rod 1 moves, contact 4 is contacted with printed circuit board (PCB) 9, the output signal of the switch circuit now on printed circuit board (PCB) 9 changes, signal passes to lower jacket 6 by connector stitch 7, by lower jacket 6 again by signal transmission to electronic control unit (ECU).
Claims (4)
1. an automobile brake pedal position transduser, be arranged on automobile brake pedal, the guide rod that comprise hollow bolt, can move in hollow bolt, upper jacket with connector stitch and the lower jacket with connector and retracing spring, it is characterized in that: the upper end of described upper jacket is provided with threaded stepped hole, in order to location and installation hollow bolt; The screw rod of described hollow bolt is positioned at outside upper jacket; Described connector stitch upper-end part of driving is welded with printed circuit board (PCB); Described guide rod is through printed circuit board (PCB), and lower end of the guide rod is installed with the contact contact of contact-carrying; When not trampling brake pedal, the contact on contact contact contacts with described printed circuit board (PCB); Described retracing spring is between lower end of the guide rod and the inner end surface of lower jacket.
2. a kind of automobile brake pedal position transduser as claimed in claim 1, is characterized in that: guide rod with contact contact be cast as one.
3. a kind of automobile brake pedal position transduser as claimed in claim 1 or 2, is characterized in that: described connector stitch is broken line type.
4. a kind of automobile brake pedal position transduser as claimed in claim 3, is characterized in that: the inner end surface of described lower jacket and/or the lower surface of guide rod are provided with groove or projection, in order to the location of retracing spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493827.0U CN204775212U (en) | 2015-07-09 | 2015-07-09 | Car brake pedal position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493827.0U CN204775212U (en) | 2015-07-09 | 2015-07-09 | Car brake pedal position sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204775212U true CN204775212U (en) | 2015-11-18 |
Family
ID=54515322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520493827.0U Expired - Fee Related CN204775212U (en) | 2015-07-09 | 2015-07-09 | Car brake pedal position sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204775212U (en) |
-
2015
- 2015-07-09 CN CN201520493827.0U patent/CN204775212U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |