CN2851636Y - Automatic tyre charging valve - Google Patents
Automatic tyre charging valve Download PDFInfo
- Publication number
- CN2851636Y CN2851636Y CN 200520097342 CN200520097342U CN2851636Y CN 2851636 Y CN2851636 Y CN 2851636Y CN 200520097342 CN200520097342 CN 200520097342 CN 200520097342 U CN200520097342 U CN 200520097342U CN 2851636 Y CN2851636 Y CN 2851636Y
- Authority
- CN
- China
- Prior art keywords
- air inlet
- air
- piston rod
- piston
- inlet pipe
- 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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- Check Valves (AREA)
Abstract
The utility model discloses an automatic tire inflation valve, which comprises an air inlet pipe of air valve core connected with a bicycle tire, wherein the front end of the air inlet pipe is provided with an air inlet. The air inlet pipe of air valve core is provided with a rubber sleeve, and both ends of the air inlet in the air inlet pipe of air valve core are respectively provided with spacing rings. A rubber bowl is positioned near one spacing ring, and an air storage cavity is positioned near to the other spacing ring. A return spring is arranged in the air storage cavity, and one end of the return spring is limited by the spacing ring. The other end of the return spring is in contact with a piston, and the piston is connected with a piston rod. The piston rod passes through the air inlet pipe, and the piston rod and the air inlet pipe are sealed. The other end of the piston rod is provided with a rubber soft pad. The automatic air inlet valve has the advantages of simple structure and convenient use. When a part of air in the bicycle tire is released, the tire is tightly pressed. The tire can be automatically inflated by the automatic air inlet valve.
Description
Technical field
The utility model product belongs to daily life and workplace fixture, specifically a kind of device that is used for automatic tyre air inflation.
Background technique
People usually can be with a face streaming with sweatly tired in order to inflate for bicycle or tricycle, and more having very is not have the local tire of pump not have gas at one, allows the people be difficult to bear really.Up to now, still finding no a kind of easy method can address this problem.
Summary of the invention
The purpose of this utility model is to provide a kind of automatic tyre air inflation valve that is located in the tire, to overcome above-mentioned defective.
The technical solution of the utility model is: the automatic tyre air inflation valve, it comprises the valve inside suction tude that can be connected with bike tire, the suction tude front end is offered inlet hole, the valve inside suction tude is established rubber case, limited ring is established at the two ends of inlet hole respectively in the valve inside suction tude, the other rubber cup of establishing of one limited ring, the other air storing cavity of establishing of another limited ring, establish Returnning spring in the air storing cavity, one end of Returnning spring is spacing by limited ring, and the other end of Returnning spring contacts with piston, and piston is connected with piston rod, piston rod passes suction tude and sealing with it, and the other end of piston rod is established cushion.
This automatic admission valve is simple in structure, easy to use, and after the gas in the bike tire had disappeared a part, tire was flattened, and this automatic admission valve can be given Tyre inflating automatically.
Description of drawings
Fig. 1 automatic tyre air inflation valve arrangement schematic representation
Fig. 2 automatic tyre air inflation valve outline drawing
Embodiment
Among Fig. 1,2: 1, valve inside turnover tracheae; 2, rubber cup; 3, inlet hole; 4, air storing cavity; 5, Returnning spring; 6, piston; 7, piston rod; 8, piston envelope; 9, cushion; 10, rubber case; 11, exterior nut cap.
As shown in Figure 1, valve inside suction tude 1 front end is offered inlet hole 3, valve inside suction tude 1 is established rubber case 10, limited ring 12,13 is established at the two ends of inlet hole 3 respectively in the valve inside suction tude 1, one limited ring, the 12 other rubber cups 2 of establishing, another limited ring 13 other air storing cavities 4 of establishing, establish Returnning spring 5 in the air storing cavity 4, one end of Returnning spring 5 is spacing by limited ring 13, the other end of Returnning spring 5 contacts with piston 6, piston 6 is connected with piston rod 7, and piston rod 7 passes valve inside suction tude 1 and sealing with it, and the other end of piston rod 7 is established cushion 9.
Increase a rubber cup 2 at inlet hole 3 places of valve inside,, prevent gas leakage so that block top hole during the piston inflation; Lower Half increases a piston, back down by a spring 5, generally be in the state of Chu Li, when the tire internal air pressure is not enough, people's weight adds the weight of getting on the bus will be flat with tire pressure, when piston portion was crushed, piston rod 7 will promote piston head 6 and enter air reservoir 4, thereby the gas that is stored up is squeezed into the effect that inlet hole 3 reaches automatic inflation.
Claims (1)
1, a kind of automatic tyre air inflation valve, it comprises the valve inside suction tude that can be connected with bike tire, the suction tude front end is offered inlet hole, the valve inside suction tude is established rubber case, limited ring is established at the two ends that it is characterized in that inlet hole in the valve inside suction tude respectively, the other rubber cup of establishing of one limited ring, the other air storing cavity of establishing of another limited ring, establish Returnning spring in the air storing cavity, one end of Returnning spring is spacing by limited ring, and the other end of Returnning spring contacts with piston, and piston is connected with piston rod, piston rod passes suction tude and sealing with it, and the other end of piston rod is established cushion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097342 CN2851636Y (en) | 2005-07-27 | 2005-07-27 | Automatic tyre charging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097342 CN2851636Y (en) | 2005-07-27 | 2005-07-27 | Automatic tyre charging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2851636Y true CN2851636Y (en) | 2006-12-27 |
Family
ID=37585593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520097342 Expired - Fee Related CN2851636Y (en) | 2005-07-27 | 2005-07-27 | Automatic tyre charging valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2851636Y (en) |
-
2005
- 2005-07-27 CN CN 200520097342 patent/CN2851636Y/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 | ||
| 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 |