CN2765026Y - Tire valve nozzle with automatic decompression device - Google Patents
Tire valve nozzle with automatic decompression device Download PDFInfo
- Publication number
- CN2765026Y CN2765026Y CN 200420057319 CN200420057319U CN2765026Y CN 2765026 Y CN2765026 Y CN 2765026Y CN 200420057319 CN200420057319 CN 200420057319 CN 200420057319 U CN200420057319 U CN 200420057319U CN 2765026 Y CN2765026 Y CN 2765026Y
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- CN
- China
- Prior art keywords
- valve
- chamber
- air inlet
- pressure releasing
- return spring
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model provides a tire valve nozzle with an automatic pressure release device, which comprises a valve nozzle, an air inlet base assembly, an air inlet and outlet base assembly, wherein a one-way valve central shaft and a return spring are arranged on the air inlet base by the air inlet base assembly. The air inlet base assembly can be used as a one-way air inlet device, and the lower side of the device is additionally provided with one air inlet and outlet base assembly. One side of the air inlet and outlet base is provided with a through hole, and a ball valve and a return spring are arranged in the through hole. The air inlet and outlet base can be used as a one-way air inlet controlled by a second passage. An automatic pressure release device is arranged on the other side and is composed of a regulating screw, a return spring and a ball valve. When the air pressure in the tire exceeds setting values, the air pressure in the tire can be automatically released to ensure the air pressure in the tire to be proper.
Description
[technical field]
The utility model relates to a kind of tyre valve, refer to especially when a kind of air pressure is too high can self-relieving tool automatic decompression device tyre valve.
[background technique]
Air pressure in the tire, except can make automobile travel when being shaken flexible, and the part stress that can bear acceleration, Brake car or turn to.And the performance of tire is not only because of design and material different and variant, and the air pressure size of its inflation also can produce very big influence.If because of air pressure is too high or too low, tyre performance can be greatly affected, be easy to generate Gao Re and the abrasion of overrunning, and then influence the performance of automobile, and under the tire pressure of regulation, travel, have good subsides road property, at the bottom of the temperature of friction, the resistance on road surface is little, fuel-efficient and make tire that be arranged long working life.
But when the automobile of a tool regulation tire pressure is run at high speed in scorcher, air in its tire can raise automatically because of the principle of inflatable, then need this moment the tired driver of labor to stop, exit with manpower and to reduce tire pressure, if will not exit, then tire pressure is too high, and the lighter influences the performance of tire and automobile, weight person produces the phenomenon of blowing out when tire pressure surpasses the tire bearing value, and the safety that jeopardizes people's car.
[model utility content]
In view of existing tire pressure control needs to be controlled by the driver, when the driver fails instant pressure release when tire pressure is too high, can produce the phenomenon of blowing out, and jeopardize traffic safety, the purpose of this utility model provides a kind of tyre valve of tool automatic decompression device, and door when making tire pressure too high can lose heart automatically, unlikely too high to guarantee the tire internal air pressure, to guarantee the safety of people's car.
In order to reach aforesaid purpose, technological means of the present utility model is to provide a kind of tyre valve of tool automatic decompression device, it is characterized in that: it comprises a valve cock body, an air inlet seat assembly, an inlet and outlet seat assembly;
This valve cock body has a hollow chamber, and the first half aperture of this hollow chamber is big than the Lower Half aperture, the equal tool screw thread of the inner tubal wall of this first half, Lower Half, and this Lower Half lower edge one sidewall is provided with an exhaust port;
This air inlet seat assembly includes:
One air inlet seat, outer rim tool screw thread, the center has one to run through axis hole, the tapered body in bottom;
One valve axostylus axostyle is placed through in this axis hole, and this curtain shaft shank diameter is less than this axis hole, this valve axostylus axostyle first half is given prominence to this axis hole upper limb, a seal ring is established in this valve axostylus axostyle bottom, and there is a clasp groove this valve axostylus axostyle upper end, and an E type clasp packing is positioned this clasp groove;
One return spring is placed in the first half of this valve axostylus axostyle, and this return spring bottom props up the air inlet seat upper-end surface, and head end is then withstood by this E type clasp fixing;
This inlet and outlet seat assembly includes:
One inlet and outlet seat, its outer rim tool screw thread, this inlet and outlet seat is offered a valve chamber from bottom to up, and a side of this valve chamber is offered one first pressure releasing chamber by last in addition the end of to, and the side of this first pressure releasing chamber is established a relief hole that runs through and communicated with this valve cock body Lower Half exhaust port;
An inlet hole is established on the top of this valve chamber, and bottom tool screw thread is inserted ball valve and return spring successively in this valve chamber, and the bottom of this valve chamber of retainer ring locking of through hole is arranged by a center;
A blowhole is established in the bottom of this first pressure releasing chamber, inserts ball valve and return spring successively in this first pressure releasing chamber, and seals this first pressure releasing chamber upper end open by an adjustment screw and retaining screw.
The tyre valve of described tool automatic decompression device is characterized in that: this inlet and outlet seat is the Lower Half that is screwed together in valve cock body hollow chamber, and the air inlet seat assembly is screwed together in the first half of valve cock body hollow chamber.
The tyre valve of described tool automatic decompression device is characterized in that: the seal ring of the valve axostylus axostyle bottom of this air inlet seat assembly seals this air inlet seat axis hole bottom gas port.
The tyre valve of described tool automatic decompression device is characterized in that: the return spring in the valve chamber of this inlet and outlet seat assembly holds this ball valve, and the inlet hole of this valve chamber is by this ball valve sealing.
The tyre valve of described tool automatic decompression device, it is characterized in that: establish one second pressure releasing chamber in a side of first pressure releasing chamber, insert ball valve and return spring successively in this second pressure releasing chamber, and seal this second pressure releasing chamber upper end open by an adjustment screw and retaining screw, and the relief hole of first pressure releasing chamber is connected in the second pressure releasing chamber bottom, establish a relief hole in the side of second pressure releasing chamber and communicate with this valve cock body Lower Half exhaust port.
The tyre valve of tool automatic decompression device of the present utility model, door when making tire pressure too high can lose heart automatically, and is unlikely too high to guarantee the tire internal air pressure, to guarantee the safety of people's car.When tire because of weather or factor such as run at high speed, and make when the tire internal air pressure is too high, this tire pressure can force the ball valve that is positioned at valve chamber to rise, and surpasses relief hole, and tire pressure just can be discharged along relief hole and exhaust port, when tire pressure is fallen to safety range, return spring will reset ball valve, and the blowhole of sealing pressure releasing chamber, and stop pressure release, so just can guarantee that tire pressure can be not too high, and then guarantee driving safety.
[description of drawings]
Fig. 1 is installed on the sectional schematic diagram of tire for the utility model valve cock.Fig. 2 is the upright exploded view of the group of the utility model valve cock.
Fig. 3 is the sectional drawing of the utility model valve cock.
Fig. 4 is another embodiment's sectional drawing of the intake and exhaust seat assembly of the utility model valve cock.
Fig. 5 is another embodiment's sectional drawing of the utility model valve cock.
[embodiment]
The utility model is a kind of tyre valve of tool automatic decompression device, please cooperate with reference to shown in Figure 1, and it mainly is made up of a valve cock body (1), an air inlet seat assembly, an intake and exhaust seat assembly, wherein:
Valve cock body (1), has a hollow chamber (11), its first half aperture is bigger, the Lower Half aperture is less, the equal car fixture of the inner tubal wall of halves screw thread respectively screwing togather air inlet seat (2) and inlet and outlet seat (3), and is located, lower edge one side is provided with an exhaust port (12), and screws togather the closed top end opening with a cap (13).
The air inlet seat assembly please cooperate with reference to shown in the figure 2,3, includes:
One air inlet seat (2), its outer rim tool screw thread, for the hollow chamber that is screwed together in valve cock body (1) (11) first half, the center has one to run through axis hole (21), for placing valve axostylus axostyle (23), the tapered body in bottom (22).
One valve axostylus axostyle (23), it is placed through in the axis hole (21), diameter is slightly less than axis hole (21), length is higher than air inlet seat (2), and expose its front end, there is a seal ring (231) bottom, for the end mouth of the axis hole (21) of salable air inlet seat (2), there is a clasp groove (232) upper end, for the packing location of E type clasp (233).
One return spring (24) is placed in the first half of valve axostylus axostyle (23), and the bottom props up the upper-end surface of air inlet seat (2), and the upper end is then located by E type clasp (233) fixing.
Above-mentioned air inlet seat assembly, please cooperate again with reference to shown in second figure, headed by its composition structure the bottom of valve axostylus axostyle (23) by air inlet seat (2) upwards is placed through in the axis hole (21), and expose its first half, again return spring (24) is placed in the first half of valve axostylus axostyle (23), its bottom props up the end face of air inlet seat (2), and the leading edge then mat E type clasp (233) that is fixed in clasp groove (232) holds the location.So under normality, valve axostylus axostyle (23) can be because of the tension force of return spring (24) and the air pressure in the hollow chamber, and make the seal ring (231) bottom it close the bottom passage of axis hole (21), prevents the effect of leaking gas and reach.When desire is inflated, then valve axostylus axostyle (23) is pressed down, its seal ring (231) interlock is sunk, and make axis hole (21) become an air inlet duct.
The inlet and outlet assembly, please cooperate again with reference to shown in the figure 2,3, it mainly includes an inlet and outlet seat (3), its outer rim tool screw thread, with hollow chamber (11) Lower Half that is screwed together in valve cock body (1), it offers a valve chamber (31) from bottom to up, offers one first pressure releasing chamber (32) by last the end of in addition, side in first pressure releasing chamber (32) has a relief hole (33), and the exhaust port (12) that connects valve cock body (1) is used to do pressure release.
An inlet hole (311) is established on the top of valve chamber (31), its bottom tool screw thread, device has ball valve (312) and return spring (313) in it, and there is retainer ring (314) locking valve chamber (31) bottom of through hole at mat one center, wherein the return spring (313) that is positioned on the retainer ring (314) of the bottom mat of ball valve (312) holds, and the bottom gas port of salable inlet hole (311).
A blowhole (321) is established in the bottom of first pressure releasing chamber (32), device has ball valve (322) and return spring (323) in it, and screw (325) adjusted by mat one and retaining screw (324) seals its upper end open, wherein adjust screw (325) and hold return spring (323), and make the end face in addition of return spring (323) can hold ball valve (322), and make the upper limb gas port of the salable blowhole of root edge of ball valve (322).Other adjust screw (324) but the upper and lower displacement of mat and adjust return spring (323) the ball valve that is held in (322) hold tension force.
Above-mentioned inlet and outlet assembly, please cooperate again with reference to shown in Figure 3, headed by its combination ball valve (312) and return spring (313) are inserted in the valve chamber (31) successively, seal the bottom of valve chamber (31) again with retainer ring (314), in addition ball valve (322) and return spring (323) are inserted in first pressure releasing chamber (32) successively, again adjusting screw (325), so as return spring (323) added in ball valve (322) hold tension force in setting value, promptly equate with required standard atmosphere pressure in the tire.
The self-relieving tyre valve of the utility model tool, its module diagnostic as mentioned above, its device and operating principle are at first the inlet and outlet assembly to be closed hollow chamber (11) Lower Half in valve cock body (1), and air leakage door (33) is connected the exhaust port (12) of body (1).Again the air inlet seat assembly is screwed together in hollow chamber (11) first half of valve cock body (1), promptly accuses device and finish.When inflation, its mat is depressed valve axostylus axostyle (23) interlock seal ring (231), and air is poured in the hollow chamber (11) along axis hole (21), air pressure in this moment hollow chamber (11) be higher than the interior ball valve of valve chamber (31) (312) the return spring that bears (313) hold tension force, and make ball valve (312) decline breakdown suction port (311), and make air in the central through bore input tire of retaining ring (314).When stopping to inflate, the suffered external force of valve axis hole (23) disappears, and then the answer tension force of return spring (24) can be with valve axostylus axostyle (23) when upwards pushing up, and makes seal ring (231) sealing axis hole (31) the lower edge opening of lower end.
Moreover the return spring (313) in the valve chamber (31) also can be gone up the top and sealing inlet hole (311) by ball valve (312), to make second road function of holding one's breath.So exhausted nothing gas leakage is may.
Again one, when because of running at high speed or factor such as day heat raises the tire internal air pressure, when surpassing setting value, when being the tire internal air pressure greater than the added bearing force in ball valve (322) of return spring (323), ball valve (322) can rise and surpass relief hole (33), then the air in the tire can be discharged along relief hole (33) and exhaust port (12), when the tire internal air pressure returns back to set definite value because of discharge, the holding tension force and ball valve can be resetted and seal first pressure releasing chamber (32) blowhole (321) and stop pressure release of return spring (323).Automatic decompression device according to this can be guaranteed the unlikely too high phenomenon of tire internal air pressure.
Please cooperate with reference to shown in Figure 4, another embodiment of automatic decompression device for the inlet and outlet seat assembly, its mainly a side of former first pressure releasing chamber (32) establish again one second its inner assembly of pressure releasing chamber (34) and first pressure releasing chamber (32) with, and former relief hole (33) change is connected in the bottom of second pressure releasing chamber (34), and establish exhaust port (12) that a relief hole (341) connects valve cock body (1) making pressure release usefulness in the side of second pressure releasing chamber (34) again, and relief hole (341) does not communicate with first pressure releasing chamber (32).So second pressure releasing chamber (34) is provided with, making automatic decompression device obtain the insurance of second road is provided with, so when the impaired pressure relief device in first road, for example, as the return spring (323) that is positioned at first pressure releasing chamber (32) when following the string or ball valve (322) can't seal inlet hole (321), setting by second pressure releasing chamber (34), make that the interior too high air pressure of tire can be via relief hole (33), enter second pressure releasing chamber (34), and discharge by relief hole (341) and exhaust port (12), make the air pressure in the tire remain in normal range (NR), reach the requirement that is perfectly safe.
Please cooperate with reference to shown in Figure 5, another enforcement illustration for the self-relieving tyre valve of the utility model tool, it is mainly in addition and offers a relief hole (26) in addition in a side of air inlet seat (2), device one depression bar (25) in it, stage casing tool one seal ring (251) of depression bar (25), its hypomere is nested with a return spring (252), and tail end then is butted on ball valve (312) top in the inlet and outlet seat assembly valve chamber (31).The seal ring (251) of its depression bar of device as above (25) is for the root edge aperture of airtight relief hole (26), the leading edge of return spring (252) is butted on the root edge of seal ring (251), root edge is butted on the upper end of valve chamber (31), borrow the tension force of spring to make closed loop (251) be kept airtight relief hole (26), and optionally can manually depression bar (25) be pressed down, and then ordering about ball valve (312) decline, air is leaked in the tire and make.The utility model not only makes the self-relieving function of valve cock tool, and more to carry out the people according to the needs of situation be pressure release.As mentioned above, the only explaination of using for the utility model embodiment, routine to the personnel that are familiar with skill when carrying out various variations, but these change example, all should be included in the protection domain of the present utility model.
Claims (5)
1. the tyre valve of a tool automatic decompression device, it is characterized in that: it comprises a valve cock body, an air inlet seat assembly, an inlet and outlet seat assembly;
This valve cock body has a hollow chamber, and the first half aperture of this hollow chamber is big than the Lower Half aperture, the equal tool screw thread of the inner tubal wall of this first half, Lower Half, and this Lower Half lower edge one sidewall is provided with an exhaust port;
This air inlet seat assembly includes:
One air inlet seat, outer rim tool screw thread, the center has one to run through axis hole, the tapered body in bottom;
One valve axostylus axostyle is placed through in this axis hole, and this curtain shaft shank diameter is less than this axis hole, this valve axostylus axostyle first half is given prominence to this axis hole upper limb, a seal ring is established in this valve axostylus axostyle bottom, and there is a clasp groove this valve axostylus axostyle upper end, and an E type clasp packing is positioned this clasp groove;
One return spring is placed in the first half of this valve axostylus axostyle, and this return spring bottom props up the air inlet seat upper-end surface, and head end is then withstood by this E type clasp fixing;
This inlet and outlet seat assembly includes:
One inlet and outlet seat, its outer rim tool screw thread, this inlet and outlet seat is offered a valve chamber from bottom to up, and a side of this valve chamber is offered one first pressure releasing chamber by last in addition the end of to, and the side of this first pressure releasing chamber is established a relief hole that runs through and communicated with this valve cock body Lower Half exhaust port;
An inlet hole is established on the top of this valve chamber, and bottom tool screw thread is inserted ball valve and return spring successively in this valve chamber, and the bottom of this valve chamber of retainer ring locking of through hole is arranged by a center;
A blowhole is established in the bottom of this first pressure releasing chamber, inserts ball valve and return spring successively in this first pressure releasing chamber, and seals this first pressure releasing chamber upper end open by an adjustment screw and retaining screw.
2. the tyre valve of tool automatic decompression device as claimed in claim 1 is characterized in that: this inlet and outlet seat is the Lower Half that is screwed together in valve cock body hollow chamber, and the air inlet seat assembly is screwed together in the first half of valve cock body hollow chamber.
3. the tyre valve of tool automatic decompression device as claimed in claim 1 is characterized in that: the seal ring of the valve axostylus axostyle bottom of this air inlet seat assembly seals this air inlet seat axis hole bottom gas port.
4. the tyre valve of tool automatic decompression device as claimed in claim 1 is characterized in that: the return spring in the valve chamber of this inlet and outlet seat assembly holds this ball valve, and the inlet hole of this valve chamber is by this ball valve sealing.
5. the tyre valve of tool automatic decompression device as claimed in claim 1, it is characterized in that: establish one second pressure releasing chamber in a side of first pressure releasing chamber, insert ball valve and return spring successively in this second pressure releasing chamber, and seal this second pressure releasing chamber upper end open by an adjustment screw and retaining screw, and the relief hole of first pressure releasing chamber is connected in the second pressure releasing chamber bottom, establish a relief hole in the side of second pressure releasing chamber and communicate with this valve cock body Lower Half exhaust port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420057319 CN2765026Y (en) | 2004-11-10 | 2004-11-10 | Tire valve nozzle with automatic decompression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420057319 CN2765026Y (en) | 2004-11-10 | 2004-11-10 | Tire valve nozzle with automatic decompression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2765026Y true CN2765026Y (en) | 2006-03-15 |
Family
ID=36167945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420057319 Expired - Fee Related CN2765026Y (en) | 2004-11-10 | 2004-11-10 | Tire valve nozzle with automatic decompression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2765026Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465000C (en) * | 2006-09-05 | 2009-03-04 | 贝正其 | Explosion-proof air valve of tyre |
-
2004
- 2004-11-10 CN CN 200420057319 patent/CN2765026Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465000C (en) * | 2006-09-05 | 2009-03-04 | 贝正其 | Explosion-proof air valve of tyre |
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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 |