CN201034684Y - Multiple touched type pressure sensor for tyre - Google Patents
Multiple touched type pressure sensor for tyre Download PDFInfo
- Publication number
- CN201034684Y CN201034684Y CNU2007200514871U CN200720051487U CN201034684Y CN 201034684 Y CN201034684 Y CN 201034684Y CN U2007200514871 U CNU2007200514871 U CN U2007200514871U CN 200720051487 U CN200720051487 U CN 200720051487U CN 201034684 Y CN201034684 Y CN 201034684Y
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- CN
- China
- Prior art keywords
- piston
- pressure sensor
- tire pressure
- sensor according
- spring
- 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 discloses a pressure sensor for multiple touch tires which comprises a piston casing, wherein one end of the piston casing is sleeved with a casing cover provided with intakes. A piston which is arranged inside the piston casing is connected with a piston connecting rod. The utility model comprises as well a spring arranged inside the piston casing, moving contacts arranged on the end of the piston connecting rod and a multiple touch contactor one end of which is arranged inside the piston casing. The multiple touch contactor is provided with more than one stationary contact which coordinate with moving contacts on the end of the connecting rod. The spring is arranged on the connecting rod; a sealing casing ring is arranged on the outer side of the piston casing to coordinate with the casing cover for sealing the multiple touch contactor, the piston and the spring. The sealing casing ring is provided with sealing holes, wherein one end of each of a plurality of wires are for connection with outer equipment and the other end is connected with the contactor after passing through the sealing holes. Application of the above structure allows the utility model to have simple structure, low price and stable and reliable performance.
Description
Technical field
The utility model relates to a kind of multiconductor pressure transducer, specifically, relates to a kind of many touches tire pressure sensor.
Background technology
Automotive tire pressure is significant to the safe operation of automobile.At present, using maximum is the electronic pressure sensor, however its manufacturing process complexity of electronic pressure sensor, the power consumption pond is very fast, and cost is higher.
The utility model content
Technical problem to be solved in the utility model provides a kind of simple in structure, cheap and many touches of stable and reliable operation tire pressure sensor.
For solving the problems of the technologies described above, the utility model has adopted following technical scheme:
Many touches tire pressure sensor of the present utility model, comprise piston jacket, be provided with an outer upper shield that has an inlet at a headgear of this piston jacket, in this piston jacket, piston is housed, one piston rod connects described piston, it is characterized in that: also include the spring that is located in the piston jacket, be contained in pack into multifinger contactor in the piston jacket of the moving contact of described piston rod end and one one end, be provided with more than one stationary contact in this multifinger contactor, described stationary contact matches with the moving contact of piston rod end, described spring is positioned on the piston rod, one Sealed casing pipe is contained in the outside of described piston jacket, it matches with outer upper shield and seals described multifinger contactor, piston, spring, on the sealing sleeve pipe, be provided with seal bore, some lead one ends all are to connect extraneous external unit, and the other end all is to connect described multifinger contactor after passing seal bore.
On described multifinger contactor, be provided with stopper slot, the limited screw that matches with described stopper slot is housed on described piston rod.
Be provided with contact spring between described piston rod and the moving contact.
Also be provided with air hole on described Sealed casing pipe, this air hole communicates with atmosphere.
Also be provided with bearing in the described piston jacket, described spring clamp is between described bearing and piston.
The stationary contact of described multifinger contactor is a sheet stationary contact and a plurality of somes stationary contacts.
Described each lead connects the sheet stationary contact of multifinger contactor respectively or puts stationary contact after passing seal bore.
Described piston is provided with O-ring seal.
Described piston jacket is cylindrical.
Owing to adopted said structure, by being arranged on moving contact on the piston rod and the sheet stationary contact on the multifinger contactor, the work that matches of some stationary contact, thereby make the some connections on sheet stationary contact and a plurality of somes stationary contacts, and the line of Continuity signal is to draw by the seal bore of Sealed casing pipe, so can be sent to areal pressure indicating instrument or modulate the back by the RF radio-frequency transmissions by electric signal by encrypting, receive by the RF radio frequency again, deciphering, through logic judging circuit, display circuit etc., realize the monitor force state, realize sound and light alarm or robotization control, increase the traffic safety performance, and reduce tire and under low pressure or high pressure, move the damaged tyres that causes, reduce oil consumption, for the driver understands the tire pressure situation immediately, in time slow down and inspection tire or automatic Control of Automobile partial function etc., for running safety provides safeguard.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the synoptic diagram of many touches of the utility model tire pressure sensor.
Fig. 2 is the synoptic diagram after the assembling of many touches of the utility model tire pressure sensor.
Embodiment
As shown in Figure 1, it is the synoptic diagram of many touches of the utility model tire pressure sensor.A kind of many touches tire pressure sensor comprises piston jacket 1, is provided with an outer upper shield 13 that has an inlet 11 at a headgear of this piston jacket 1, in this piston jacket 1 piston 4 is housed, and piston 4 is provided with O-ring seal 2, one piston rods 8 and connects described piston 4.In the technical program, it also includes the spring 3 that is located in the piston jacket 1, be contained in the moving contact 6 of described piston rod 8 ends and one one end and screw in multifinger contactor 5 in the piston jacket 1, be provided with a sheet stationary contact 52 and a plurality of somes stationary contacts 51 in this multifinger contactor 5, above-mentioned stationary contact 52 and some stationary contact 51 are to match with the moving contact 6 of piston rod 8 ends, wherein owing between piston rod 8 and moving contact 6, also be provided with contact spring 61, so it makes the elastic effect of moving contact 6 good, it is with sheet stationary contact 52 and to put the effect of stationary contact 51 cooperatings better.Be provided with bearing 12 in the piston jacket 1, spring 3 is to be positioned on the piston rod 8, and it is to be clipped between bearing 12 and the piston 4, sees Fig. 2, and promptly bearing 12 pressing springs 3 keep piston 4 moving linearlies.On multifinger contactor 5, be provided with stopper slot 53; the limited screw 9 that matches with stopper slot 53 is housed on piston rod 8; thereby can limited piston 4 strokes and prevent piston 4 rotations; guarantee that moving contact 6 contacts well with sheet stationary contact 52 and some stationary contact 51, and protection spring 3 is not damaged by overvoltage.One Sealed casing pipe 7 screws in the outside of described piston jacket 1, it matches with outer upper shield 13 and seals described multifinger contactor 5, piston 4, spring 3, it is one that Sealed casing pipe 7 is contained in piston jacket 1, outer upper shield 13 is contained in the other end of piston jacket 1, on sealing sleeve pipe 7, be provided with seal bore 72, many lead one ends all are to connect extraneous external unit, Monitoring and Controlling circuit for example, the other end of above-mentioned lead all is to pass respective flap stationary contact 52 or the some stationary contact 51 that seal bore 72 backs connect multifinger contactor 5, Sealed casing pipe 7 band air holes 71, air hole 71 is connected with the channel seal that links to each other with atmosphere and atmosphere keeps being communicated with, and guarantees to measure accurately.
When the utility model used, gas 11 entered in the piston jacket 1 through entering the mouth, and promotes to have piston 4 motions of O-ring seal 2, and spring 3 makes pressure equilibrium; The moving contact 6 of piston rod 8 ends makes a certain contacting on sheet stationary contact 52 and a plurality of somes stationary contacts 51, and the line of Continuity signal is to draw by the seal bore 72 of Sealed casing pipe 7, historical facts or anecdotes has showed and areal pressure has been sent to indicating instrument by electric signal or by encrypting the modulation back by the RF radio-frequency transmissions, receive by the RF radio frequency again, deciphering, through logic judging circuit, display circuit etc., realize the monitor force state, realize sound and light alarm or robotization control, increase the traffic safety performance, and reduce tire and under low pressure or high pressure, move the damaged tyres that causes, reduce oil consumption, for the driver understands the tire pressure situation immediately, in time slow down and inspection tire or automatic Control of Automobile partial function etc., for running safety provides safeguard.Limited screw 9 is housed on piston rod 8, and with stopper slot 53 cooperatings on the multifinger contactor 5, the movement travel of limited piston 4 and prevent piston 4 rotation guarantees the pressure signal conducting or disconnects at dynamic position; Sealed casing pipe 7 remains on sealing state, and by air hole 71 and the valve cock channel connection that is communicated with atmosphere, keeps piston rod 8 ends and atmospheric pressure balance, guarantees that measurement data is accurate.
In a word,, should illustrate that obviously those skilled in the art can carry out various variations and remodeling though the utility model has exemplified above-mentioned preferred implementation.Therefore, unless such variation and remodeling have departed from scope of the present utility model, otherwise all should be included within the protection domain of the present utility model.
Claims (9)
1. touch tire pressure sensor more than a kind, comprise piston jacket (1), be provided with an outer upper shield (13) that has an inlet (11) at the headgear of this piston jacket (1), piston (4) is housed in this piston jacket (1), one piston rod (8) connects described piston (4), it is characterized in that: also include the spring (3) that is located in the piston jacket (1), be contained in pack into multifinger contactor (5) in the piston jacket (1) of the terminal moving contact (6) of described piston rod (8) and one one end, this multifinger contactor is provided with more than one stationary contact in (5), described stationary contact matches with the moving contact (6) of piston rod (8) end, described spring (3) is positioned on the piston rod (8), one Sealed casing pipe (7) is contained in the outside of described piston jacket (1), it matches with outer upper shield (13) and seals described multifinger contactor (5), piston (4), spring (3), on sealing sleeve pipe (7), be provided with seal bore (72), some lead one ends all are to connect extraneous external unit, and the other end all is to pass seal bore (72) back to connect described multifinger contactor (5).
2. many touches tire pressure sensor according to claim 1 is characterized in that: be provided with stopper slot (53) on described multifinger contactor (5), the limited screw (9) that matches with described stopper slot (53) is housed on described piston rod (8).
3. many touches tire pressure sensor according to claim 1 is characterized in that: be provided with contact spring (61) between described piston rod (8) and the moving contact (6).
4. many touches tire pressure sensor according to claim 1 is characterized in that: also be provided with air hole (71) on described Sealed casing pipe (7), this air hole (71) communicates with atmosphere.
5. many touches tire pressure sensor according to claim 1 is characterized in that: also be provided with bearing (12) in the described piston jacket (1), described spring (3) is clipped between described bearing (12) and the piston (4).
6. many touches tire pressure sensor according to claim 1 is characterized in that: the stationary contact of described multifinger contactor (5) is a sheet stationary contact (52) and a plurality of somes stationary contacts (51).
7. many touches tire pressure sensor according to claim 6 is characterized in that: described each lead connects the sheet stationary contact (52) of multifinger contactor (5) respectively or puts stationary contact (51) after passing seal bore (72).
8. many touches tire pressure sensor according to claim 1 is characterized in that: described piston (4) is provided with O-ring seal (2).
9. many touches tire pressure sensor according to claim 1 is characterized in that: described piston jacket (1) is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200514871U CN201034684Y (en) | 2007-05-16 | 2007-05-16 | Multiple touched type pressure sensor for tyre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200514871U CN201034684Y (en) | 2007-05-16 | 2007-05-16 | Multiple touched type pressure sensor for tyre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034684Y true CN201034684Y (en) | 2008-03-12 |
Family
ID=39195574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200514871U Expired - Fee Related CN201034684Y (en) | 2007-05-16 | 2007-05-16 | Multiple touched type pressure sensor for tyre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201034684Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104395712A (en) * | 2012-04-27 | 2015-03-04 | 空中客车营运有限公司 | Measuring the volume of fluid in a vessel |
-
2007
- 2007-05-16 CN CNU2007200514871U patent/CN201034684Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104395712A (en) * | 2012-04-27 | 2015-03-04 | 空中客车营运有限公司 | Measuring the volume of fluid in a vessel |
| US9846068B2 (en) | 2012-04-27 | 2017-12-19 | Airbus Operations Limited | Measuring the volume of fluid in a vessel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20110516 |