CN2535254Y - Tyre pressure alarming sensor for motor vehicle - Google Patents
Tyre pressure alarming sensor for motor vehicle Download PDFInfo
- Publication number
- CN2535254Y CN2535254Y CN 02229968 CN02229968U CN2535254Y CN 2535254 Y CN2535254 Y CN 2535254Y CN 02229968 CN02229968 CN 02229968 CN 02229968 U CN02229968 U CN 02229968U CN 2535254 Y CN2535254 Y CN 2535254Y
- Authority
- CN
- China
- Prior art keywords
- sensor
- piston
- contact switch
- tyre
- air pressure
- 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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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a tyre pressure alarming sensor for motor vehicle. A sensor part and an alarm part of the alarm sensor are connected through a circuit and respectively arranged in a tyre assembly and a cab. A piston sleeved with a spring is arranged in the sensor. The lower end of the piston is contacted with a contact switch. When the air pressure of an internal tyre is sufficient, the internal tyre forces the piston to turn the contact switch off downwards so that the contact switch can not emit a signal; when the air pressure of the internal tyre is not sufficient, the piston is separated from the contact switch upwards due to the effect of the spring and the contact switch immediately is communicated with the alarm to emit the signal so as to remind the driver of stopping the vehicle and taking steps to avoid accidents in time. The sensor has the advantages of light structure and sensitive reaction, and can eliminate the hidden trouble that the insufficiency of the air pressure of the tyre has an effect on the safety of the vehicle when the motor vehicle runs.
Description
Technical field:
The utility model relates to a kind of automobile tyre air pressure alarm sensor, and it is contained between the pad tire and the inner tube of a tyre of tire assembly, and structure comprises piston, spring, contact switch etc.
Background technology:
The wheel for motor vehicle air pressure is most important to the traffic safety of vehicle, and how the tire pressure situation in time being informed the driver is the problem that needs solve.
Summary of the invention:
The technical problems to be solved in the utility model provides a kind of automobile tyre air pressure alarm sensor, the Sensor section of this warning sensor and annunciator part is connected by circuit and be contained in respectively in the tire assembly with operator's compartment in.It can in time inform the driver with the tire pressure situation, is beneficial to the driver and takes measures, and removes a hidden danger.The present technique problem is solved by following scheme: form cavity in the sensor upper and lower casing 1,2, a bolt shape piston 4 that is with spring 3 is adorned in the cavity top.Piston 4 lower ends contact with contact switch 5; Piston 4 upper ends and upper shell 1 top are a plane.Upper and lower casing 1,2 is fixing by screw 6.
Sensor upper and lower casing 1,2 is close to the pad tire and the inner tube of a tyre of tire assembly respectively.When interior air pressure is sufficient, inner tube of a tyre compressing piston 4 downward break contact switches 5, contact switch 5 does not send signal; When interior air pressure was not enough, because the effect of spring 3, piston 4 upwards broke away from contact switch 5, and contact switch 5 is promptly connected and sent signal prompting driver and in time stop, and takes measures, avoids accident.Sensor construction is light and handy, and reflection is sensitive, can remove the hidden danger of self-propelled vehicle driving hour wheel air pressure deficiency to vehicle safety.
Description of drawings:
Fig. 1 be sensor front view,
Fig. 2 be sensor birds-eye view,
Fig. 3 be sensor left pseudosection,
The specific embodiment:
As shown in Figure 3, form cavity in the sensor upper and lower casing 1,2, a bolt shape piston 4 that is with spring 3 is adorned in the cavity top.Piston 4 lower ends contact with contact switch 5; Piston 4 upper ends and upper shell 1 top are a plane.Shown in accompanying drawing 1, accompanying drawing 3, upper and lower casing 1,2 is fixed into one by screw 6.
Claims (2)
1, automobile tyre air pressure alarm sensor, structure comprises housing, spring, contact switch, it is characterized in that the interior cavity that forms of upper and lower casing of sensor, and a bolt shape piston that is with spring is adorned in the cavity top, and the piston lower end contacts with contact switch; The piston upper end is a plane with the upper shell top.
2, sensor according to claim 1 is characterized in that upper and lower casing fixed by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02229968 CN2535254Y (en) | 2002-03-29 | 2002-03-29 | Tyre pressure alarming sensor for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02229968 CN2535254Y (en) | 2002-03-29 | 2002-03-29 | Tyre pressure alarming sensor for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2535254Y true CN2535254Y (en) | 2003-02-12 |
Family
ID=33706107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02229968 Expired - Fee Related CN2535254Y (en) | 2002-03-29 | 2002-03-29 | Tyre pressure alarming sensor for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2535254Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259554A (en) * | 2010-05-31 | 2011-11-30 | 马志强 | Wheel burglar alarm of wheel pressure type four-wheeled vehicle |
-
2002
- 2002-03-29 CN CN 02229968 patent/CN2535254Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259554A (en) * | 2010-05-31 | 2011-11-30 | 马志强 | Wheel burglar alarm of wheel pressure type four-wheeled vehicle |
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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 |