CN203412716U - Bidirectional aerated high-pressure hand-pull inflator - Google Patents

Abstract

The utility model relates to a bidirectional aerated high-pressure hand-pull inflator. The bidirectional aerated high-pressure hand-pull inflator comprises an inflator body and a piston, wherein the piston is used for dividing the inner space of the inflator body into an upper air chamber and a lower air chamber, and an upper cover is arranged at the upper part of the inflator body. The bidirectional aerated high-pressure hand-pull inflator is characterized in that a valve hole communicated with the upper air chamber and external world is formed in the upper cover, multiple fillets arranged at intervals along the circumference are formed on the inner hole wall of the valve hole along a radial direction, a valve cover capable of sliding up and down is arranged in the valve hole, multiple guiding bars which extend downwards and are arranged at intervals along the circumference are arranged below the valve cover, and the outer sides of the bottoms of the guiding bars are provided with hook parts capable of locating with the inner top wall of the upper cover. When the pressure on the valve cover, which is generated by the air pressure of the upper chamber, is greater than the frictional force between the valve cover and the inner wall of the valve hole, the valve cover is pushed to move upwards, the valve hole is at an opening state, a grip is pulled up so as to save labor, as the valve cover has no supporting force of a spring, the valve cover is at a loosening state, the grip is pulled up again, the valve cover can be easily opened, the inflator is in a one-way air inflation manner, after inflated equipment is inflated to a certain pressure, and the grip is pulled up, so that labor is saved all the time.

Description

The high pressure hand-pulled inflator of bidirectional inflating

Technical field

The utility model relates to a kind of user's of allowing handling, and can be pushing away, continue while drawing handle to inflate or the high pressure hand-pulled inflator of the handle inflator of the action of bleeding.

Background technique

Hand-pulled inflator (being also gas-filled pump) kind is quite a lot of at present, traditional pump comprises the body with a tubular, in body, be assembled with a piston being operated by connecting rod, the all sides of piston are provided with to recessed rubber cup, and in connecting rod top, be provided with the handle for user's handling, in body lower end, extend a gas tube.During user's pull-up handle, air can enter the piston below of body inner side, when user presses down handle, can the air in body be pushed in gas tube by piston, and once inflation is provided.The hand-pulled inflator of this kind of traditional type is unidirectional hand-pulled inflator, at piston, moves up and down in a round trip, is merely able to have single stroke that aeration is provided, and utilization efficiency is lower.

Once saw on the market another kind of more progressive gas-filled pump, it can push away at handle, all inflate action in drawing two-way travel, and raising utilization efficiency.If the patent No. is the Chinese utility model patent < < two-way inflating pump > > of ZL00255072.5 (notification number is CN2450405Y), the patent No. is the Chinese utility model patent < < two-way inflating pump > > of ZL00255072.5 (notification number is CN2450405Y), and the patent No. is Chinese utility model patent < < two-way inflating pump > > of ZL200620100394.9 (notification number is CN2874057Y), they have all disclosed the gas-filled pump of energy bidirectional inflating.

Above which kind of two-way inflating pump no matter, because being pulled through Cheng Zhongye on handle, it has air-breathing gas replenishment process, therefore be located between the actuator that covers and upper cover and require to have good tightness, when pressing down handle and inflate, owing to pressing down process, people's self gravity also plays the effect that presses down handle, therefore it is lighter to press down gas replenishment process, and when on while drawing handle to inflate, because people's self gravity can not play the effect that pulls handle, and the pressure of piston upper space is larger, therefore only depending on the pulling force of both hands to continue to pull handle to inflate will require great effort very much, especially after being inflated the relatively foot of object inflation, the pressure of piston upper space will be very large, at this moment, if continued again, upwards pull handle to require great effort very much, the sensation that just has the back of the body to be pulled off, the handle inflator that is to say the bidirectional inflating of existing various structures draws the process that handle is inflated quite to require great effort upper, about this problem, relevant client also repeatedly mentions, hope and can improve.

For drawing the present situation of filling handle gas expense power on aforementioned, the applicant has openly invented a kind of bidirectional inflating hand-pulled inflator of rapid operation in the patent No. is the Chinese utility model patent < < two-way inflating pump > > of ZL00255072.5 (notification number is CN2450405Y), is provided with the pressure-relief valve structure of after upper gas chamber reaches certain atmospheric pressure value, the air pressure of upper gas chamber being laid down on its at least one parts in piston and upper cover, pressure-relief valve structure comprises valve seat, valve rod, valve seat is fixed on the bottom surface of piston, on valve seat, have the valve port communicating with valve opening on described piston, valve handle activity is located on the bottom of valve seat and the upper and lower slippage of valve seat relatively, the lower end of valve rod is connected with the valve block that the valve port on valve seat can be blocked, this valve block is positioned at the below of valve seat, the upper end of valve rod is fixed with a location piece, this location piece is positioned at the top of valve seat, on valve rod, be also arranged with spring, this spring supporting blocks the trend of the valve port on valve seat so that valve block keeps up between the bottom of valve seat and location piece.On draw after handle, the pressure of upper gas chamber increases gradually, pulls the power that handle needs to be also ascendant trend gradually, when the pressure of upper gas chamber reaches after the setting cracking pressure of Decompression valves, air in upper gas chamber is just discharged from pressure-relief valve structure, and the air pressure of upper gas chamber declines, and makes to pull moving handle laborsaving.

The defect of this pressure-relief valve structure is, valve rod is held and is kept close port trend by spring, while pressing down handle, Decompression valves can be again in closed condition, only at the upper handle that draws after certain distance, draw handle on each, must make the pressure of upper gas chamber reach the setting cracking pressure (being the preload pressure that spring provides) of Decompression valves, Decompression valves is just opened, so draws handle on each, at the upper leading portion drawing, still requires great effort.

The hand-pulled inflator that has again existing bidirectional inflating, the breathing valve block that it arranges on piston is according to inertial thinking, designer can be without thinking the rounded breathing valve block of use, this is a kind of convention, owing to being a high pressure hand-pulled inflator, so require stack shell cross section little, whole stack shell is just smaller, this has just limited the design space of piston, will on piston, arrange the circular valve port of breathing valve block is installed, valve port diameter has considerable restraint, and on piston, the bore of valve port is all less, throughput is also little, greatly affects the charging efficiency of hand-pulled inflator.

Model utility content

Technical problem to be solved in the utility model is for above-mentioned prior art present situation, to provide a kind of reaching after certain pressure to charger inflation, above draws the whole process of inflation all can compare the high pressure hand-pulled inflator of labour-saving bidirectional inflating.

The utility model solves the problems of the technologies described above adopted technological scheme: a kind of high pressure hand-pulled inflator of bidirectional inflating, comprise stack shell, in stack shell, be provided with piston, piston is separated into upper gas chamber and lower chamber by the inner space of stack shell, the top of described stack shell is provided with upper cover, upper cover central authorities are equipped with linkage tube, and the upper end of linkage tube is connected with a handle, and the lower end of linkage tube is connected with piston, it is characterized in that: on described, cover and have connection upper gas chamber and extraneous valve opening, the inner hole wall of valve opening radially forms the many ribs that arrange along the circle spacing, in valve opening, be provided with the valve gap of slippage up and down, the below of valve gap is provided with the many gib blocks that arrange to downward-extension along the circle spacing, the bottom outside of gib block have can with the hook portion of the inner roof wall gear of upper cover, gib block is plugged in described valve opening, under state in valve gap is pressed into valve opening, the lower end surface of described valve gap is shelved on rib, between the periphery of valve gap and the inner hole wall of valve opening, form hermetic seal simultaneously, after upper gas chamber reaches certain atmospheric pressure value, air pressure can promote to move on valve gap, allow valve opening in open mode.

The periphery of above-mentioned valve gap is embedded with seal ring, and under the state in valve gap is pressed into valve opening, described seal ring is pressed in the described hermetic seal of formation between the periphery of valve gap and the inner hole wall of valve opening.Seal ring can better guarantee the tightness between valve gap and valve opening, and can strengthen the frictional force between valve gap and valve opening inner hole wall, and the frictional force between valve gap and valve opening inner hole wall is larger, opens the required air pressure of valve gap also just larger.

Above-mentioned gib block is flat, and the left and right sides of gib block is just in time constrained between adjacent two ribs.This structure can retrain valve gap around self axis rotation, guarantees that valve gap only straight up and down moves.

Above-mentioned gib block has four, and the outer circumferential face of each gib block and the laminating of the inner hole wall of described valve opening are set along even circumferential interval.The inner hole wall of gib block and valve opening contact cooperation, valve gap is had to certain effect of contraction.

Above-mentioned valve opening is arranged on the central position of upper cover, facilitates the moulding of valve opening, and described linkage tube is through described valve opening, and described valve gap is movably set in linkage tube.This valve opening design attitude can better form and coordinate with upper cover, and associative perception is better, and valve gap also plays the auxiliary leading role to linkage tube in addition.Certain above-mentioned valve opening also can be arranged on a side of upper cover top surface.

The interior edge face of above-mentioned rib contacts with the outer circumferential face of described linkage tube.Rib has guiding constraint effect to linkage tube.

The periphery of above-mentioned piston is embedded with piston ring, internal piston is provided with air inlet air guide chamber independent of each other and the air guide chamber of giving vent to anger, on the upper and lower piston face of air inlet air guide chamber, form valve port and the first lower valve port on first, on first, valve port is provided with and only allows air be entered on first in upper gas chamber and breathed valve block by air inlet air guide chamber, and the first lower valve port is provided with and only allows air enter first time breathing valve block in lower chamber by air inlet air guide chamber; Upper and lower piston face in the air guide chamber of giving vent to anger forms valve port and the second lower valve port on second, on second valve port be provided with only allow air by upper gas chamber enter the air guide chamber of giving vent to anger second on breathe valve block, the second lower valve port is provided with and only allows air enter by lower chamber to breathe valve block second time of the air guide chamber of giving vent to anger; The both sides of described handle central authorities are formed with respectively inlet, outlet; In described linkage tube, be provided with inner tube, this inner tube runs through linkage tube, and inner tube lower end combines with piston, and upper end combines with handle, and the upper end of inner tube communicates with described air outlet, and the lower end of inner tube communicates with the air guide chamber of giving vent to anger in piston; Lower end, space between linkage tube inner side and inner tube outside is connected with the air inlet air guide chamber in piston, and the upper end in this space is connected with described suction port; Described handle top is fixed with pressure gauge, and manometric pressure sensitive end stretches into downwards in the upper end of inner tube.

Aforementioned is a kind of structural type of specific implementation bidirectional inflating, improvement on the background patents basis that this structural type is is ZL00255072.5 in the patent No., it carries out special design by the air inlet air guide chamber in piston and the air guide chamber of giving vent to anger, use the internal communication of conductance air chamber and inner tube, the object of design is for the convenient pressure gauge that arranges on handle like this, manometric pressure sensitive end is convenient to be inserted in inner tube, and the air outlet being communicated with inner tube is and is inflated equipment (as Hovercraft) and is communicated with, therefore the air pressure inside that this pressure gauge can accurately be read the equipment of being inflated, pressure gauge and handle are structure as a whole, pressure gauge is just as the part of hand-pulled inflator, in using process, be just difficult for losing, facilitate Real-Time Monitoring inflation pressure simultaneously.The implementation of certain bidirectional inflating has multiple, the bidirectional inflating structure that also can adopt other background patents to mention.

This is a high pressure hand-pulled inflator, so whole stack shell is just smaller, this has just limited the design space of piston, be that piston area also can be smaller, will on piston, arrange the circular valve port of breathing valve block is installed, valve port diameter has considerable restraint, so on piston, the bore of valve port is all less, throughput is also little, greatly affects the charging efficiency of hand-pulled inflator.For aforementioned present situation, we are the equal rectangularity shape of valve port and the second lower valve port on valve port, the first lower valve port, second on above-mentioned first, breathe valve block on described first, breathe for first time and on valve block, second, breathe valve block and breathe with second time the oblong-shaped that valve block becomes and corresponding valve port matches.In limited space, increase throughput like this, improved the efficiency of inflation.

Above-mentioned piston has pedestal and involutory bonding the forming of bottom two-part, described pedestal is provided with the threaded connection hole being threaded for linkage tube, and the confession inner tube that is positioned at this threaded connection hole inside cutting graftage part of pegging graft, on described pedestal, have the arc port that is communicated with described space; Piston adopts two-part splicing construction to be convenient to assembling and respectively breathes valve block, and the whole air-flow path of internal piston is also optimized design in addition, has further increased throughput.Piston ring between piston and stack shell, we have changed traditional single-side structural, have used the structure of O type circle, and piston slides up and down like this, all more smooth and easy.

Compared with prior art, the utility model has the advantage of: in upper cover, be provided with valve opening, in valve opening, be provided with the valve gap of slippage up and down, under normal state, valve gap presses down and enters valve opening close valve orifice, inflator energy bidirectional inflating, between valve gap and valve opening inwall, there is certain frictional force, when this inflator is inflated to after certain pressure to being inflated equipment, handle again comes up, air in piston compression upper gas chamber, pressure valve gap being produced when the air pressure of upper gas chamber is greater than the frictional force between valve gap and valve opening inwall, promote to move on valve gap, allow valve opening in open mode, air in upper gas chamber is just discharged from valve opening, the air pressure of upper gas chamber declines, make to draw handle laborsaving, because valve gap does not have the bearing force of spring, when piston presses down again, valve gap only can move down under Action of Gravity Field, the gravity of valve gap is much smaller than the frictional force between valve gap and valve opening inwall, therefore valve gap can not be pressed in valve opening, that is to say that valve gap is in loosening state, again, draw handle, valve gap can be opened easily again, at this moment inflator becomes unidirectional aeration modes, at the equipment of being inflated, be inflated to after certain pressure, on draw handle more laborsaving all the time, realizing bidirectional inflating pattern switches toward unidirectional aeration modes.

Accompanying drawing explanation

Fig. 1 is first embodiment's of the utility model perspective view (valve gap closed condition);

Fig. 2 is first embodiment's of the utility model sectional view (valve gap closed condition);

Fig. 3 is the B place enlarged view of Fig. 2;

Fig. 4 is the C place enlarged view of Fig. 2;

Fig. 5 is that the A-A of Fig. 2 is to sectional view;

Fig. 6 is first embodiment's of the utility model perspective view (valve gap open mode);

Fig. 7 is first embodiment's of the utility model sectional view (valve gap open mode);

Fig. 8 is the D place enlarged view of Fig. 7;

Fig. 9 is the stereo decomposing installation diagram between valve gap and upper cover in first embodiment of the utility model;

Figure 10 is the positive perspective view of piston in first embodiment of the utility model;

Figure 11 is the back side perspective view of piston in first embodiment of the utility model;

Figure 12 is the three-dimensional exploded view of piston in first embodiment of the utility model;

Figure 13 is that in second embodiment of the utility model, valve gap is arranged on the sectional view (valve gap closed condition) covering;

Figure 14 is that in second embodiment of the utility model, valve gap is arranged on the sectional view (valve gap open mode) covering.

Embodiment

Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.

As shown in Fig. 1～12, be first embodiment of the present utility model.

A kind of high pressure hand-pulled inflator of bidirectional inflating, comprise stack shell 1, in stack shell, be provided with piston 2, piston 2 is separated into upper gas chamber 11 and lower chamber 12 by the inner space of stack shell, the top of stack shell 1 is provided with upper cover 3, upper cover 3 central authorities are equipped with linkage tube 4, and the upper end of linkage tube 4 is connected with a handle 5, and the lower end of linkage tube 4 is connected with piston 2.

The periphery of piston 2 is embedded with piston ring 14, and piston ring 14 is O shape circle.As shown in Figure 10～12, piston 2 inside are provided with air inlet air guide independent of each other chamber 8 and the air guide chamber 9 of giving vent to anger, upper in air inlet air guide chamber 8, on the piston face of below, form valve port 81a and the first lower valve port 81b on first, on first, valve port 81a is provided with and only allows air be entered on first in upper gas chamber 11 and breathed valve block 82a by air inlet air guide chamber 8, on first, breathing valve block 82a is inserted on the crossbeam that is positioned at valve port 81a middle part on first, the first lower valve port 81b is provided with and only allows air enter first time breathing valve block 82b in lower chamber 12 by air inlet air guide chamber 8, breathing valve block 82b for first time is inserted on the crossbeam that is positioned at the first lower valve port 81b middle part.

As shown in Figure 10～12, upper and lower piston face in the air guide chamber 9 of giving vent to anger forms valve port 91a and the second lower valve port 91b on second, on second valve port 91a be provided with only allow air by upper gas chamber 11 enter the air guide chamber 9 of giving vent to anger second on breathe valve block 92a, on second, breathing valve block 92a is inserted on the crossbeam that is positioned at valve port 91a middle part on second, the second lower valve port 91b is provided with and only allows air by lower chamber 12, be entered second time breathing valve block 92b of the air guide chamber 9 of giving vent to anger, and breathes valve block 92b for second time and is inserted on the crossbeam that is positioned at the second lower valve port 91b middle part.

As shown in Figure 10～12, valve port 91a and the second lower valve port 91b on valve port 81a, the first lower valve port 81b, second on first) equal rectangularity shapes, breathe valve block 82a on described first, breathe for first time and on valve block 82b, second, breathe valve block 92a and breathe with second time the oblong-shaped that valve block 92b becomes and corresponding valve port matches.

The both sides of handle 5 central authorities are formed with respectively inlet, outlet 51,52, are provided with the outside thread that can easily connect for Joint for corrugated pipe on air inlet/outlet 51,52.In linkage tube 4, be provided with inner tube 7, this inner tube 7 runs through linkage tube 4, and inner tube 7 lower ends combine with piston 2, and upper end combines with handle 5, and the upper end of inner tube 7 communicates with air outlet 52, and the lower end of inner tube 7 communicates with the air guide chamber 9 of giving vent to anger in piston; 13 lower ends, space between linkage tube 4 inner sides and inner tube 7 outsides are connected with the air inlet air guide chamber 8 in piston, and the upper end in this space 13 is connected with suction port 51.Handle 5 tops are fixed with pressure gauge 10, and the pressure sensitive end 101 of pressure gauge 10 stretches into downwards in the upper end of inner tube 7.

Piston 2 has pedestal 21 and involutory bonding the forming of bottom 22 two-part, pedestal 21 is provided with the threaded connection hole 211 being threaded for linkage tube 4, and the confession inner tube 7 that is positioned at these threaded connection hole 211 inside cutting graftage part 212 of pegging graft, on pedestal 21, have the arc port 213 of communicating space 13 and air inlet air guide chamber 8.

On upper cover 3, have and be communicated with upper gas chamber 11 and extraneous valve opening 31, in the present embodiment, valve opening 31 is arranged on the central position of upper cover 3, and linkage tube 4 is through valve opening 31, and valve gap 6 is movably set in linkage tube 4.

The inner hole wall of valve opening 31 radially forms the many ribs 32 that arrange along the circle spacing, and the interior edge face of rib 32 contacts with the outer circumferential face of linkage tube 4.In valve opening 31, be provided with the valve gap 6 of slippage up and down, the below of valve gap 6 is provided with the many gib blocks 61 that arrange to downward-extension along the circle spacing, and gib block 61 is flat, and gib block 61 has four, the inner hole wall laminating of the outer circumferential face of each gib block 61 and valve opening 31 is set along even circumferential interval.The bottom outside of gib block 61 have can with the hook portion 62 of the inner roof wall gear of upper cover 6, gib block 61 is plugged in valve opening 31, the left and right sides of each gib block 61 is just in time constrained between adjacent two ribs 32.

Under state in valve gap 6 is pressed into valve opening 31, the lower end surface of valve gap 6 is shelved on rib 32, between the periphery of valve gap 6 and the inner hole wall of valve opening 31, form hermetic seal simultaneously, the periphery of valve gap 6 is embedded with seal ring 63, under state in valve gap 6 is pressed into valve opening 31, seal ring 63 is pressed between the periphery of valve gap 6 and the inner hole wall of valve opening 31 and forms aforementioned hermetic seal.After upper gas chamber 11 reaches certain atmospheric pressure value, air pressure can promote to move on valve gap 6, allows valve opening 31 in open mode.

As shown in Figure 13,14, be second embodiment of the present utility model.

The present embodiment and first embodiment's difference is: valve opening 31 is arranged on a side of upper cover 3 end faces.

The gas replenishment process of this hand-pulled inflator is as follows:

The working procedure of moving on piston 2: the air in upper gas chamber 11 is compressed, on second, breathe valve block 92a opens under gas pressure, air in the upper gas chamber 11 of piston 2 tops can enter and give vent to anger in air guide chamber 9 via valve port 91a on second, and sent by air outlet 52 through inner tube 7, realize inflation, barometer Real-Time Monitoring inflation pressure; Simultaneously, by suction port 51, the space 13 between linkage tube 4 inner peripheral surfaces and inner tube 7 outer circumferential faces enters the air inlet air guide chamber 8 in piston 2 to extraneous air, breathe valve block 82b first time and open under gas pressure, the air in air inlet air guide chamber 8 enters in the lower chamber 12 of piston 2 belows via the first lower valve port 81b.

The working procedure that piston 2 moves down: the air in lower chamber 12 is compressed, breathe valve block 92b second time opens under gas pressure, air in the lower chamber 12 of piston 2 belows can enter and give vent to anger in air guide chamber 9 via the second lower valve port 91b, and sent by air outlet 52 through inner tube 7, realize inflation, barometer Real-Time Monitoring inflation pressure; Simultaneously, by suction port 51, the space 13 between linkage tube 4 inner peripheral surfaces and inner tube 7 outer circumferential faces enters the air inlet air guide chamber 8 in piston 2 to extraneous air, on first, breathe valve block 82a and open under gas pressure, the air in air inlet air guide chamber 8 is via valve port 81a on first and enter in the upper gas chamber 11 of piston 2 tops.

No matter be that user will draw or press down on handle 5, all the air in stack shell 1 can be sent by air outlet 52 behind the air guide chamber 9 of giving vent to anger of piston 2, and allow in the air inlet air guide chamber 8 that extraneous air enters piston 2 by suction port 51, enter again in the upper gas chamber 11 or lower chamber 12 of stack shell 1, it all can inflate action in bidirectional operation, makes to have in the use efficiency.

As shown in Fig. 3,13, under normal state, valve gap 6 presses down and enters in valve opening 31 and close valve orifice 31, and inflator energy bidirectional inflating, has certain frictional force between valve gap 6 and valve opening 31 inwalls.When this inflator is inflated to after certain pressure to being inflated equipment, handle 5 again comes up, piston is pressed the interior air of 14 contracting upper gas chamber 11, pressure valve gap 6 being produced when the air pressure of upper gas chamber 11 is greater than the frictional force between valve gap 6 and valve opening 31 inwalls, as Fig. 8, shown in 14, promote to move on valve gap 6, allow valve opening 31 in open mode, air in upper gas chamber 11 is just discharged from this valve opening 31, the air pressure of upper gas chamber 11 declines, make to draw handle 5 laborsaving, because valve gap 6 does not have the bearing force of spring, when piston 2 presses down again, 6 meetings of valve gap move down under Action of Gravity Field, the gravity of valve gap 6 is much smaller than the frictional force between valve gap 6 and valve opening 31 inwalls, therefore valve gap 6 can not be pressed in valve opening, that is to say that valve gap 6 is in loosening state, again, draw handle 5, valve gap 6 can be opened easily again, at this moment inflator becomes the inflator of unidirectional inflation, at the equipment of being inflated, be inflated to after certain pressure, on draw handle more laborsaving all the time, realizing bidirectional inflating pattern switches toward unidirectional aeration modes.

Claims (10)

1. the high pressure hand-pulled inflator of a bidirectional inflating, comprise stack shell (1), in stack shell, be provided with piston (2), piston (2) is separated into upper gas chamber (11) and lower chamber (12) by the inner space of stack shell, the top of described stack shell (1) is provided with upper cover (3), upper cover (3) central authorities are equipped with linkage tube (4), and the upper end of linkage tube (4) is connected with a handle (5), and the lower end of linkage tube (4) is connected with piston (2), it is characterized in that: on described upper cover (3), have and be communicated with upper gas chamber (11) and extraneous valve opening (31), the inner hole wall of valve opening (31) radially forms the many ribs (32) that arrange along the circle spacing, in valve opening (31), be provided with the valve gap (6) of slippage up and down, the below of valve gap (6) is provided with the many gib blocks (61) that arrange to downward-extension along the circle spacing, the bottom outside of gib block (61) have can with the hook portion (62) of the inner roof wall gear of upper cover (6), gib block (61) is plugged in described valve opening (31), under state in valve gap (6) is pressed into valve opening (31), the lower end surface of described valve gap (6) is shelved on rib (32), between the periphery of valve gap (6) and the inner hole wall of valve opening (31), form hermetic seal simultaneously, after upper gas chamber (11) reaches certain atmospheric pressure value, air pressure can promote to move on valve gap (6), allow valve opening (31) in open mode.

2. the high pressure hand-pulled inflator of bidirectional inflating according to claim 1, it is characterized in that: the periphery of described valve gap (6) is embedded with seal ring (63), under state in valve gap (6) is pressed into valve opening (31), described seal ring (63) is pressed in the described hermetic seal of formation between the periphery of valve gap (6) and the inner hole wall of valve opening (31).

3. the high pressure hand-pulled inflator of bidirectional inflating according to claim 1, is characterized in that: described gib block (61) is flat, and the left and right sides of gib block (61) is just in time constrained between adjacent two ribs (32).

4. the high pressure hand-pulled inflator of bidirectional inflating according to claim 3, is characterized in that: described gib block (61) has four, and the inner hole wall laminating of the outer circumferential face of each gib block (61) and described valve opening (31) is set along even circumferential interval.

5. the high pressure hand-pulled inflator of bidirectional inflating according to claim 1, it is characterized in that: described valve opening (31) is arranged on the central position of upper cover (3), described linkage tube (4) is through described valve opening (31), and described valve gap (6) is movably set in linkage tube (4).

6. the high pressure hand-pulled inflator of bidirectional inflating according to claim 5, is characterized in that: the interior edge face of described rib (32) contacts with the outer circumferential face of described linkage tube (4).

7. the high pressure hand-pulled inflator of bidirectional inflating according to claim 2, is characterized in that: described valve opening (31) is arranged on a side of upper cover (3) end face.

8. according to the high pressure hand-pulled inflator of the arbitrary described bidirectional inflating of claim 1～7, it is characterized in that: the periphery of described piston (2) is embedded with piston ring (14), piston (2) inside is provided with air inlet air guide independent of each other chamber (8) and the air guide chamber (9) of giving vent to anger, upper in air inlet air guide chamber (8), on the piston face of below, form valve port on first (81a) and the first lower valve port (81b), valve port on first (81a) is provided with and only allows air be entered on first in upper gas chamber (11) and breathed valve block (82a) by air inlet air guide chamber (8), the first lower valve port (81b) is provided with and only allows air enter first time breathing valve block (82b) in lower chamber (12) by air inlet air guide chamber (8), upper and lower piston face in the air guide chamber (9) of giving vent to anger forms valve port (91a) and the second lower valve port (91b) on second, valve port on second (91a) be provided with only allow air by upper gas chamber (11) enter the air guide chamber (9) of giving vent to anger second on breathe valve block (92a), the second lower valve port (91b) is provided with and only allows air enter by lower chamber (12) to breathe valve block (92b) second time of the air guide chamber (9) of giving vent to anger, the both sides of described handle (5) central authorities are formed with respectively inlet, outlet (51,52), in described linkage tube (4), be provided with inner tube (7), this inner tube (7) runs through linkage tube (4), inner tube (7) lower end combines with piston (2), upper end combines with handle (5), the upper end of inner tube (7) communicates with described air outlet (52), and the lower end of inner tube (7) communicates with the air guide chamber (9) of giving vent to anger in piston, lower end, space (13) between linkage tube (4) inner side and inner tube (7) outside is connected with the air inlet air guide chamber (8) in piston, and the upper end of this space (13) is connected with described suction port (51), described handle (5) top is fixed with pressure gauge (10), and the pressure sensitive end (101) of pressure gauge (10) stretches into downwards in the upper end of inner tube (7).

9. the high pressure hand-pulled inflator of bidirectional inflating according to claim 8, it is characterized in that: the equal rectangularity shape of valve port (91a) and the second lower valve port (91b) on valve port on described first (81a), the first lower valve port (81b), second, breathe valve block (82a) on described first, breathe for first time and on valve block (82b), second, breathe valve block (92a) and breathe the oblong-shaped that valve block (92b) becomes and corresponding valve port matches second time.

10. the high pressure hand-pulled inflator of bidirectional inflating according to claim 9, it is characterized in that: described piston (2) has pedestal (21) and involutory bonding the forming of bottom (22) two-part, described pedestal (21) is provided with the threaded connection hole (211) being threaded for linkage tube (4), and be positioned at the cutting graftage part (212) that the inner confession inner tube (7) of this threaded connection hole (211) is pegged graft, on described pedestal (21), have the arc port (213) that is communicated with described space (13); Described piston ring (14) is O shape circle.

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