CN2911245Y - Double-tube inflator - Google Patents
Double-tube inflator Download PDFInfo
- Publication number
- CN2911245Y CN2911245Y CN 200620104237 CN200620104237U CN2911245Y CN 2911245 Y CN2911245 Y CN 2911245Y CN 200620104237 CN200620104237 CN 200620104237 CN 200620104237 U CN200620104237 U CN 200620104237U CN 2911245 Y CN2911245 Y CN 2911245Y
- Authority
- CN
- China
- Prior art keywords
- air
- head
- inflator
- tube
- piston
- 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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Abstract
The utility model discloses a double tube air pump, which comprises an air pump bulk; a left air inlet head, a right air inlet head and an air outlet head are provided on the base of the air pump bulk; the air outlet heads are connected with the air tap through hoses; the air outlet head is arranged between the left and the right air inlet head; when the piston moves downward, the compressed air passes quickly through the air outlet head and drops quickly the air pressure in the pressure storage tube so that the friction between the piston and the inner wall of the air pump is reduced, and the damage of the piston and other components are alleviated, and the service life of the air pump is prolonged; at the same time, the physical strength is saved in the process of pumping air.
Description
Technical field
The utility model relates to double-tube inflator, is specifically related to the inflator base.
Background technique
Bicycle, motorcycle have now become the important traffic tool in the people life, and it is convenient that it has brought for people's trip.At bicycle, in the using process of motorcycle, inflate and be absolutely necessary, so inflator breeds and body.At present, common inflator has two kinds on the market, a kind of is the single tube inflator, another kind is a double-tube inflator, double-tube inflator is owing to be provided with two pressure accumulation tubes, make it more laborsaving and be subjected to Consumer's favor than single tube inflator, but head is located at the side of air inlet head because it is given vent to anger, make that the air pressure that is provided with the first side of giving vent to anger is on the low side, and the air pressure of the first side of not giving vent to anger is higher, and the convection current of gas, i.e. highpressure gas flow lowpressure gas and finally in the process by the head of giving vent to anger is because it is bigger to pass the gas transmission socket power of being obstructed, pressurized gas holdup time in the pressure accumulation tube is long, still require great effort very much when people inflate,, cause the frictional force of piston and air cylinder wall to increase simultaneously because the air pressure in the pneumatic tube is excessive, cause the damage of piston and other members easily, thereby reduced the working life of inflator.
Summary of the invention
The purpose of this utility model is to provide a kind of can make pressurized gas in the pressure accumulation tube rapidly by outside the expelling tube of giving vent to anger in the process of inflating, reduce gas pressure in the pressure accumulation tube, thereby reduce piston and cylinder inner wall frictional force, alleviate the damage of piston and other members, improve the working life of inflator, and save the double-tube inflator of muscle power.
To achieve these goals, the technical solution adopted in the utility model is: a kind of double-tube inflator, comprise the inflator body, and on the base of described inflator body, be provided with left and right air inlet head and the head of giving vent to anger, the described head of giving vent to anger is connected by flexible pipe with valve, and the head of giving vent to anger is located between the described left and right air inlet head.
The utility model is owing to adopt technique scheme, the head of will giving vent to anger is located between the left and right air inlet head, like this when piston moves downward, being compressed gas can be rapidly by the head of giving vent to anger, reduce gas pressure in the pressure accumulation tube fast, thereby reduced the frictional force of piston and cylinder inner wall, the damage that alleviates piston and other members, improve the working life of inflator, when inflating, can save muscle power simultaneously.
Description of drawings
Fig. 1 is the utility model double-tube inflator body structure schematic representation.
Fig. 2 is the sectional view of the utility model double-tube inflator base A-A.
Fig. 3 is the plan view of double-tube inflator base.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the double-tube inflator that the utility model provides comprises inflator body 1, be provided with left air inlet 2, right air inlet 3 and give vent to anger 4 on the base 5 of described inflator, giving vent to anger 4 is connected by flexible pipe with valve, gives vent to anger 4 to be located between the left air inlet 2, right air inlet 3.During use, earlier valve is fixed suction port with wheel, press handgrip 6 with hand, piston 8 is moved downward, gas volume in the pressure accumulation tube 7 reduces, air pressure increases, 3 are located at left air inlet 2 owing to will give vent to anger, between the right air inlet 3, the pressurized gas in the pressure accumulation tube 7, the air outlet 3 in the middle of the fast flow speed and direction of the right and left, the pressurized gas that form are discharged rapidly outside the pressure accumulation tube 7, reduced simultaneously gas pressure in the pressure accumulation tube 7 fast, thereby reduced the frictional force of piston 8, alleviated the damage of piston 8 with other members with cylinder inner wall, improve the working life of inflator, when inflating, can save muscle power simultaneously.
Claims (1)
1, a kind of double-tube inflator, comprise inflator body (1), on the base (5) of described inflator body (1), be provided with left and right air inlet head (2,3) and give vent to anger head (4), the described head (4) of giving vent to anger is connected by flexible pipe with valve, it is characterized in that: the described head (4) of giving vent to anger is located between the described left and right air inlet head (2,3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620104237 CN2911245Y (en) | 2006-06-01 | 2006-06-01 | Double-tube inflator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200620104237 CN2911245Y (en) | 2006-06-01 | 2006-06-01 | Double-tube inflator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2911245Y true CN2911245Y (en) | 2007-06-13 |
Family
ID=38133104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200620104237 Expired - Fee Related CN2911245Y (en) | 2006-06-01 | 2006-06-01 | Double-tube inflator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2911245Y (en) |
-
2006
- 2006-06-01 CN CN 200620104237 patent/CN2911245Y/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 |