CN202790733U - Automobile tire pressure safety device - Google Patents
Automobile tire pressure safety device Download PDFInfo
- Publication number
- CN202790733U CN202790733U CN 201220316579 CN201220316579U CN202790733U CN 202790733 U CN202790733 U CN 202790733U CN 201220316579 CN201220316579 CN 201220316579 CN 201220316579 U CN201220316579 U CN 201220316579U CN 202790733 U CN202790733 U CN 202790733U
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- elastic element
- hole
- air pressure
- automobile tire
- tire
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Abstract
The utility model provides an automobile tire pressure safety device, and belongs to the technical field of machinery. By means of the automobile tire pressure safety device, the problems that when the pressure of an existing automobile tire rises, the tire is prone to blow out, and when the pressure of the existing automobile tire is too low, the tire is also prone to blow out to cause increased resistance are solved. The automobile tire pressure safety device comprises a shell, a deflating mechanism, an elastic element I, a sensor unit, an electronic control unit (ECU) and a prompt unit, wherein the shell is arranged on a rim in a penetrating mode and provided with a through hole, and the deflating mechanism is movably arranged in the shell. The sensor unit stretches into the through hole, the deflating mechanism and the elastic element I are arranged in the through hole, one end of the elastic element I is fixed on the side wall of the through hole, and the opposite end of the elastic element I abuts against the deflating mechanism; when the air pressure of an inner cavity of the automobile tire is too high, the deflating mechanism moves outwards and enables the inner cavity of the automobile tire to be communicated with the outside; and when the air pressure of the inner cavity of the automobile tire is too low, a force is applied to the deflating mechanism, and the deflating mechanism moves inwards to trigger the sensor unit. By means of the automobile tire pressure safety device, the situations that the air pressure of the automobile tire is too high or too low so that the automobile tire blows out can be effectively prevented.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of air pressure of automobile tire safety installations.
Background technique
At present, along with the progress of science and technology, the raising of the development of social civilization and people's level of consumption, the urbanization of working environment, people's trip more and more relies on automobile, and automobile has become the traffic tool general and important in people's daily life.Increasingly competitive between the automobile vendor, the Consumer requires vehicle satisfying on the basis ride instead of walk, individual character fashion more, and travelling comfort, handling, Security had higher requirement.
When automobile running, because temperature raises, can make the inside tires air pressure increase by 10%～20%.The too high meeting of tire pressure causes central authorities' wearing and tearing of tire, shortens the life-span of tire, reduces the buffer shock-absorbing performance of tire.It is nervous that tire texture often keeps, and tire is subjected to wound easily, impacts the foreign material such as stone on road surface or during through rough road surface, and the moment of stress hits and explosion caused easily.
Under-inflation then can cause the wearing and tearing of tire shoulder, shortens the working life of tire.The air pressure deficiency also can be violent because of squeegee action except making tire outside evagination and liftoff nearer and very easily injured, and inside temperature raises rapidly, cause peeling tread, tire shoulder weares and teares, and not only shortens tyre life, also standing wave can occur, cause tire overheated, cause tyre explosion.Tire pressure is crossed and is exceeded low functional reliability, power character, passing ability, braking, control stability, travelling comfort, fuel economy, tyre last, the driving safety that all can directly have influence on automobile.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, a kind of air pressure of automobile tire safety installations is provided, described air pressure of automobile tire safety installations can be when tire pressure raises be discharged the portion gas in the tire with step-down, and can cross when low reminding driver in tire pressure and inflate.
The purpose of this utility model can realize by following technical proposal: a kind of air pressure of automobile tire safety installations, it is located at the wheel rim place of automobile, and described air pressure of automobile tire safety installations comprises the shell that is arranged on the wheel rim, the mobile air-release mechanism of being located in the described shell and being tightly connected with the sidewall of shell, the elastic element one that is compressive state, be located on the shell and be positioned at the sensor unit of air-release mechanism inboard, be electrically connected mutually with sensor unit and according to the measured information of sensor unit and the ECU that processes, and be electrically connected mutually and send according to the instruction of ECU the Tip element of prompting with ECU; Described shell has the penetration hole that runs through described shell and be connected with tyre cavity and the external world respectively; Described sensor unit stretches in the penetration hole, and described air-release mechanism and elastic element one are located in the penetration hole, and an end of described elastic element one is fixedly arranged on the tire end far away of penetration hole sidewall, and the opposite end of described elastic element one is resisted against on the air-release mechanism; When the air pressure in the tyre cavity was too high, described air-release mechanism moved outwardly under the effect of tyre cavity pressure and tyre cavity is connected with the external world; When the air pressure in the tyre cavity is crossed when low, it is mobile to touch sensor unit inwardly that the pressure that elastic element one overcomes tyre cavity promotes air-release mechanism.
This air pressure of automobile tire safety installations is by arranging air-release mechanism and sensor unit, when the air pressure of tyre cavity is too high, described air-release mechanism is subjected to the effect movement outwardly of tyre cavity pressure and tyre cavity is connected with the external world, portion gas in the tyre cavity is discharged, reduce with the air pressure with tyre cavity; In the air pressure reduction process in tyre cavity, the movement inwardly slowly of described air-release mechanism is until the air pressure in the tyre cavity reaches normal state, and this moment, tyre cavity was not connected with the external world.When the air pressure in the tyre cavity is crossed when low, the pressure that elastic element one overcomes tyre cavity promotes air-release mechanism mobile and shake-up sensor unit inwardly, sensor unit sends information to ECU, the ECU sending controling instruction is to Tip element, and Tip element sends prompting and need inflate with the reminding driver under-inflation.Therefore this air pressure of automobile tire safety installations can be when the air pressure of tyre cavity be too high, and suitable release portion air is to reduce air pressure; And cross when low at the air pressure of tyre cavity, can send alarm with reminding driver to tyre inflating; Other potential safety hazard such as cause blowing out thereby the air pressure that can effectively avoid tire is too high or too low.
In above-mentioned air pressure of automobile tire safety installations, described air-release mechanism comprise mobile be located in the shell and with sensor unit piston, elastic element two, link and Sealing separately, described piston is located in the penetration hole and is tightly connected with the sidewall of penetration hole; Described piston has the through hole one that radially runs through described piston, and described elastic element two, link and Sealing all are located in the described through hole one; The nearly tire end of the outer side surface of described link and through hole one sidewall is tightly connected, and described link is provided with the through hole two that runs through described link, and described Sealing is located at the outer side surface of described through hole two and Sealing and the nearly tire end of through hole two sidewalls is tightly connected; One end of described elastic element two is located at the tire end far away of through hole one sidewall, and the opposite end of described elastic element two is located on the Sealing; Described elastic element one is resisted against on the piston.
When the air pressure in the tyre cavity was too high, the pressure of tyre cavity overcomes the power of elastic element two so that Sealing is mobile outwardly, and this moment, Sealing no longer was tightly connected with the sidewall of through hole two; This moment, described tyre cavity was connected with the external world; Portion gas in the tyre cavity discharges via the gap between the sidewall of the outer circumferential face of Sealing and through hole two, so that the air pressure in the tyre cavity reduces; So that the air pressure of tyre cavity is reduced to normal barometric pressure, so that tyre cavity no longer is communicated with the external world, gas no longer discharges Sealing under the effect of elastic element two at this moment.Cross when low when the air pressure in the tyre cavity, elastic element one overcomes the pressure of tyre cavity, piston is being pushed away mobile and touch sensor unit inwards.
In above-mentioned air pressure of automobile tire safety installations, the internal diameter of described through hole two is increased gradually by nearly tire end to tire end far away.So then so that when Sealing moved outwardly, the sidewall of the outer circumferential face of Sealing and through hole two had the gap, with convenient portion gas in the tyre cavity is discharged; And when the air pressure of tyre cavity was higher, Sealing was more mobile, and the gap between the outer circumferential face of Sealing and through hole two sidewalls is then larger; Gas in the tyre cavity is easier to be discharged, and can so that the air pressure of tyre cavity is down to normal barometric pressure as soon as possible, can effectively reduce the possibility of tyre explosion.
In above-mentioned air pressure of automobile tire safety installations, described Sealing is spherical.
In above-mentioned air pressure of automobile tire safety installations, described sensor unit is pressure transducer.It is pressure transducer that sensor unit is set, like this then can send information to ECU when sensor unit is under pressure, so that control more in time and accurately.
In above-mentioned air pressure of automobile tire safety installations, the tire end far away of described through hole one sidewall has extended to form rib one relatively, and described elastic element two is resisted against on the rib one.By rib one is set, can be so that the connection of elastic element two be more firm.
In above-mentioned air pressure of automobile tire safety installations, the tire end far away of described penetration hole sidewall has extended to form rib two relatively, and described elastic element one is resisted against on the rib two.By rib two is set, can be so that the connection of elastic element one be more firm.
In above-mentioned air pressure of automobile tire safety installations, described Tip element is the LED warning light of flashing, and described LED warning light is corresponding one by one with the tire of automobile.When ECU sending controling instruction during to Tip element, the LED warning light sends alarm signal with the prompting driver; Because the LED warning light is that the tire with automobile is one to one, so the driver namely knows it is that the air pressure of which tire is not enough on earth by the LED warning light, and that tyre inflating of giving that can be corresponding gets final product; Need not again the air pressure of an a pair of tire and measure, effectively saved the time.
Compared with prior art, this air pressure of automobile tire safety installations is by arranging air-release mechanism and sensor unit, and this air pressure of automobile tire safety installations can be when the air pressure of tyre cavity be too high, and suitable release portion air is to reduce air pressure; And cross when low at the air pressure of tyre cavity, can send alarm with reminding driver to tyre inflating; Other potential safety hazard such as cause blowing out thereby the air pressure that can effectively avoid tire is too high or too low.
Description of drawings
Fig. 1 is the structural representation of the utility model air pressure of automobile tire safety installations.
Among the figure, 10, shell; 11, penetration hole; 12, rib two; 21, piston; 211, through hole one; 212, rib one; 22, elastic element two; 23, link; 231, through hole two; 24, Sealing; 30, sensor unit; 40, elastic element one.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
See also Fig. 1, the utility model air pressure of automobile tire safety installations is located at the wheel rim (not shown) place of automobile.Described air pressure of automobile tire safety installations comprises the shell 10 that is arranged on the wheel rim, the mobile air-release mechanism of being located in the described shell 10 and being tightly connected with the sidewall of shell 10, be located in the shell 10 and be positioned at the sensor unit 30 of air-release mechanism inboard, elastic element 1, be electrically connected mutually with sensor unit 30 and not shown in the figures according to the measured information of sensor unit 30 and the ECU(that processes), reach the Tip element (not shown) that is electrically connected mutually and sends according to the instruction of ECU prompting with ECU.In the present embodiment, described sensor unit 30 is pressure transducer.
Please continue to consult Fig. 1, described air-release mechanism comprises mobilely to be located at piston 21 in the shell 10, to be located at elastic element 22, link 23 and Sealing 24 in the piston 21.In the present embodiment, described elastic element 1 and elastic element 2 22 are spring; Described link 23 is nut.Described shell 10 has the penetration hole 11 that runs through described shell 10 and be connected with tyre cavity and the external world respectively.The tire end far away of described penetration hole 11 sidewalls has extended to form rib 12 relatively.Described piston 21 is located in the penetration hole 11 and is tightly connected with the sidewall of penetration hole 11.Described piston 21 has the through hole 1 that runs through described piston 21.The tire end far away of described through hole one 211 sidewalls has extended to form rib 1 relatively.Described elastic element 22, link 23 and Sealing 24 all are located in the described through hole 1; Described Sealing 24 is spherical.The nearly tire end of the outer side surface of described link 23 and through hole one 211 sidewalls is tightly connected.Described link 23 is provided with the through hole 231 that runs through described link 23; The internal diameter of described through hole 231 is increased gradually by nearly tire end to tire end far away.Described Sealing 24 is located at the outer side surface of described through hole 2 231 and Sealing 24 and the nearly tire end of through hole 231 sidewalls is tightly connected.
Please continue to consult Fig. 1, an end of described elastic element 22 is resisted against on the rib 1, and the opposite end of described elastic element 22 is located on the tire end far away of Sealing 24.Described sensor unit 30 is located on the shell 10 and part stretches in the penetration hole 11, described sensor unit 30 and piston 21 spaces.Described elastic element 1 is located in the penetration hole 11.One end of described elastic element 1 is resisted against on the rib 2 12, and the opposite end of described elastic element 1 is resisted against on the piston 21.Described Tip element is the LED warning light of flashing, and described LED warning light is corresponding one by one with the tire of automobile.
Please continue to consult Fig. 1, when the pressure of automobile tire inner chamber was in normal state, described elastic element 22 was in normal state, and elastic element 1 is in compressive state; This moment, Sealing 24 was tightly connected with the nearly tire end of through hole 231 sidewalls, and described tyre cavity is not connected with the external world.When the overpressure of automobile tire inner chamber, the effect that described Sealing 24 is subject to tyre cavity pressure is mobile and compression elastic element 22 outwardly.Described Sealing 24 no longer is tightly connected with link 23, and the part air in the described tyre cavity discharges via the gap between the sidewall of the outer circumferential face of Sealing 24 and through hole 231, and the air pressure in the tyre cavity reduces gradually.Described Sealing 24 is mobile inwardly under the effect of elastic element 2 22 self elastic force, until Sealing 24 is tightly connected with link 23 again; This moment, the pressure of described automobile tire inner chamber returned to normal state, and elastic element 22 returns to normal state.
Please continue to consult Fig. 1, when the hypotony of automobile tire inner chamber, it is mobile inwardly with piston 21 that elastic element 1 overcomes the pressure of tyre cavity, and described piston 21 touches sensor units 30; Sensor unit 30 transmission information are to ECU, and the ECU sending controling instruction, need be inflated with the under-inflation that reminding driver is corresponding to light corresponding LED warning light to Tip element.After the driver was full of gas with the tire of correspondence, the pressure of described automobile tire inner chamber returned to normal level; The elastic force that the pressure of tyre cavity overcomes elastic element 1 compresses it, and piston 21 is also mobile outwardly, so piston 21 no longer contacts with sensor unit 30.
In sum, this air pressure of automobile tire safety installations is by arranging air-release mechanism and sensor unit 30, and this air pressure of automobile tire safety installations can be when the air pressure of tyre cavity be too high, and suitable release portion air is to reduce air pressure; And cross when low at the air pressure of tyre cavity, can send alarm with reminding driver to tyre inflating; Other potential safety hazards such as cause blowing out thereby the air pressure that can effectively avoid tire is too high or too low.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (8)
1. air pressure of automobile tire safety installations, it is located at the wheel rim place of automobile, it is characterized in that described air pressure of automobile tire safety installations comprises the shell (10) that is arranged on the wheel rim, the mobile air-release mechanism of being located in the described shell (10) and being tightly connected with the sidewall of shell (10), the elastic element one (40) that is compressive state, be located at shell (10) and go up and be positioned at the sensor unit (30) of air-release mechanism inboard, be electrically connected mutually with sensor unit (30) and according to the measured information of sensor unit (30) and the ECU that processes, and be electrically connected mutually and send according to the instruction of ECU the Tip element of prompting with ECU; Described shell (10) has the penetration hole (11) that runs through described shell (10) and be connected with tyre cavity and the external world respectively; Described sensor unit (30) stretches in the penetration hole (11), described air-release mechanism and elastic element one (40) are located in the penetration hole (11), one end of described elastic element one (40) is fixedly arranged on the tire end far away of penetration hole (11) sidewall, and the opposite end of described elastic element one (40) is resisted against on the air-release mechanism; When the air pressure in the tyre cavity was too high, described air-release mechanism moved outwardly under the effect of tyre cavity pressure and tyre cavity is connected with the external world; When the air pressure in the tyre cavity is crossed when low, it is mobile to touch sensor unit (30) inwardly that the pressure that elastic element one (40) overcomes tyre cavity promotes air-release mechanism.
2. air pressure of automobile tire safety installations according to claim 1, it is characterized in that, described air-release mechanism comprise mobile be located in the shell (10) and with sensor unit (30) piston (21), elastic element two (22), link (23) and Sealing (24) separately, described piston (21) is located in the penetration hole (11) and is tightly connected with the sidewall of penetration hole (11); Described piston (21) has the through hole one (211) that radially runs through described piston (21), and described elastic element two (22), link (23) and Sealing (24) all are located in the described through hole one (211); The nearly tire end of the outer side surface of described link (23) and through hole one (211) sidewall is tightly connected, described link (23) is provided with the through hole two (231) that runs through described link (23), and described Sealing (24) is located at the outer side surface of described through hole two (231) and Sealing (24) and the nearly tire end of through hole two (231) sidewalls is tightly connected; One end of described elastic element two (22) is located at the tire end far away of through hole one (211) sidewall, and the opposite end of described elastic element two (22) is located on the Sealing (24); Described elastic element one (40) is resisted against on the piston (21).
3. air pressure of automobile tire safety installations according to claim 2 is characterized in that, the internal diameter of described through hole two (231) is increased gradually by nearly tire end to tire end far away.
4. air pressure of automobile tire safety installations according to claim 3 is characterized in that, described Sealing (24) is spherical.
5. each described air pressure of automobile tire safety installations is characterized in that according to claim 1-4, and described sensor unit (30) is pressure transducer.
6. each described air pressure of automobile tire safety installations according to claim 2-4, it is characterized in that, the tire end far away of described through hole one (211) sidewall has extended to form rib one (212) relatively, and described elastic element two (22) is resisted against on the rib one (212).
7. each described air pressure of automobile tire safety installations according to claim 2-4, it is characterized in that, the tire end far away of described penetration hole (11) sidewall has extended to form rib two (12) relatively, and described elastic element one (40) is resisted against on the rib two (12).
8. each described air pressure of automobile tire safety installations is characterized in that according to claim 1-4, and described Tip element is the LED warning light of flashing, and described LED warning light is corresponding one by one with the tire of automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220316579 CN202790733U (en) | 2012-06-29 | 2012-06-29 | Automobile tire pressure safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220316579 CN202790733U (en) | 2012-06-29 | 2012-06-29 | Automobile tire pressure safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790733U true CN202790733U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220316579 Expired - Fee Related CN202790733U (en) | 2012-06-29 | 2012-06-29 | Automobile tire pressure safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263149A (en) * | 2018-02-27 | 2018-07-10 | 镇江神行太保科技有限公司 | Air pressure of automobile tire safety monitoring mechanism |
-
2012
- 2012-06-29 CN CN 201220316579 patent/CN202790733U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108263149A (en) * | 2018-02-27 | 2018-07-10 | 镇江神行太保科技有限公司 | Air pressure of automobile tire safety monitoring mechanism |
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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: 20130313 Termination date: 20130629 |