CN105275774A

CN105275774A - Multistage pressurization inflator

Info

Publication number: CN105275774A
Application number: CN201410234596.1A
Authority: CN
Inventors: 杨垂青; 杨欣益
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-05-29
Filing date: 2014-05-29
Publication date: 2016-01-27
Anticipated expiration: 2034-05-29
Also published as: CN105275774B

Abstract

The invention provides a multistage pressurization inflator, comprising piston groups, a barrel group, a cylinder, and a discharge base. The rod portions and piston bodies, the body of the barrel group, a front cover and a rear cover, the cylinder and piston body thereof and the discharge base use a technical means of coupling with each other in the same axis to divide into a plurality of air chamber spaces under a limited volume condition. Cooperating with assembling of holes and a sphere, or arrangement of a ring in an annular groove, a plurality of holding chambers which can be pressurized in a phased manner are formed, so in a single reciprocating travel of the piston body of the piston group can complete multistage air compression, so as to achieve effects of high output pressure, large air inflow, and time saving and labor saving, and improve defects in the prior art that output pressure is not enough or operation uses great efforts and is in low efficiency.

Description

Multi-section type pressurization pump

Technical field

The present invention relates to a kind of pump, particularly relate to the piston in a kind of pump between the reciprocating stroke of single, the pump of multi-section type pressurization can be reached.

Background technique

Pump, be often use the instrument obtained in general life, it is applied to the pressurization inflation of the product needing inflation, such as: the various ball of sports goods or the tire of bicycle, the especially tire of bicycle for mountain-climbing.

The main structure of prior art pump, please refer to shown in Figure 15, it comprises a piston group 11, one cylindrical shell 12 and discharges seat 13, this cylindrical shell 12 is respectively equipped with protecgulum 121 and a bonnet 122 for hollow tube in two ends, the bar portion 111 of this piston group 11 wears the bonnet 122 of this cylindrical shell 12, this bar portion 111 one end group is provided with a piston body 113, and in the sheathed seal ring 114 of this piston body 113 outer rim, this piston body 113 and sealing circle 114 are positioned at this cylindrical shell 12 and can the to-and-fro motion by the driving in bar portion 111, this discharge seat 13 is mounted on the protecgulum 121 of this cylindrical shell 12, this protecgulum 121 has one can make air-flow enter the one-way valve (not shown) of this cylindrical shell 12, in this piston group 11 bar portion 111 the other end installing handle 112, this bonnet 122 has a through hole 123, when this pump operates, the handle 112 that user grips this piston group 11 carries out pushing away, pulling work, the piston body 113 of this piston group 11 and seal ring 114 is made to perform to-and-fro motion, to pressurize to the air entered in this cylindrical shell 12 by this protecgulum 121 one-way valve, air without pressurization is then discharged by the through hole 223 of this bonnet 222, this discharge seat 23 is directly or indirectly mounted on this inflatable product, and namely this air through pressurization is fills up in this inflatable product via this discharge seat 13, but, although the pump structure of the prior art is simply easy to operation, the inflation of lower pressure product only can be applicable to, as: ball, for the product that demand pressure is large, as: the pressurized filling of bicycle tire then cannot meet.

Inflate for carrying out to pressurize to bicycle tire, especially the bicycle for mountain-climbing meeting high tire pressure is needed, the pump of another prior art, please refer to shown in Figure 16, comprise a piston group 21, one cylindrical shell 22 and discharges seat 23, the bar portion 211 of this piston group 21 wears the bonnet 222 of this cylindrical shell 22, this bar portion 211 one end group establishes piston body 213, and in the sheathed seal ring 214 of this piston body 213 outer rim, this piston body 213 and sealing circle 214 to-and-fro motion in this cylindrical shell 22, this discharge seat 23 is mounted on the protecgulum 221 of this cylindrical shell 22, in this piston group 21 bar portion 211 the other end installing handle 212, this bonnet 122 has a through hole 223, the filling exporting high pressure can be completed for making this pump, this piston body 213 sectional area is reduced by reducing the volume of this cylindrical shell 22, that is the internal diameter of cylindrical shell 22 is less than the internal diameter of the cylindrical shell 12 of prior art shown in Figure 13, under user's single exerts a force constant prerequisite, use the pressure promoting this piston group 21 forced airs, but this measure causes the air inflow of this pump to reduce, thus the output forced air amount of this pump also reduces, make user must increase the handle 212 gripping this piston group 21 push away, the number of times drawn, required air inflow can be reached, though thus use this pump can meet the High voltage output of forced air, but must require great effort and operate and increase service time, thus efficiency is unevident.

Summary of the invention

The object of the invention is to improve prior art pump, its delivery pressure in forced air is not enough or the upper effort of operation and the shortcoming of poor efficiency, by the enforcement of technical measure, to take into account that delivery pressure is large, air inflow is large and the effect such as laborsaving simultaneously.

For reaching above-mentioned goal of the invention, the technology used in the present invention means are a kind of multi-section type pressurization of design pump, have two piston groups, a cylindrical shell group and many one-way mechanisms; This piston group respectively has a bar portion, a piston body and a lid; This bar portion is a cylinder, and this one end, bar portion connects this lid, and the other end connects this piston body; This piston body external annulus mask has an annular groove with a sheathed seal ring; Wherein the lid of a piston group has at least one axial one-way mechanism, and these central authorities of bar portion wear perforation, and this one-way mechanism communicates in this perforation; This cylindrical shell group has a body and a bonnet; This body is a hollow tube, this bonnet centre hole formed therethrough one hole, and this bonnet is connected to one end of this body; The wherein piston body central authorities perforation of a piston group, the perforation inner wall mask of this piston body has an annular groove with a sheathed seal ring, this piston body has the one-way mechanism of at least one radial direction, and this piston body is installed in the body inner edge of this cylindrical shell group, and this bar portion wears the hole of this bonnet; The bar portion of another piston group wears the perforation of the piston body of this piston group, and the piston body of this another piston group is installed in the perforation inner edge, bar portion of this piston group; The piston body of this another piston group has at least one axial one-way mechanism, and this lid is connected to the body the other end of this cylindrical shell group.

Described multi-section type pressurization pump, the piston group wherein connecting this cylindrical shell group body the other end is first piston group, the lid central authorities perforation of this first piston group has the one-way mechanism of an axis, and this lid separately has at least one axial one-way mechanism around this lid perforation, this bar portion and this piston body have central perforation, and these piston body central authorities have the one-way mechanism of an axis, and this piston body end face separately has at least one axial one-way mechanism, this another piston group is the second piston group, and the one-way mechanism place depression of the radial direction of the piston body of this second piston group forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged at this piston body away between bar end surface and seal ring, piston body and this cylindrical shell group body of the bar portion of this first piston group and lid, this second piston group form one first air chamber, the bar portion of this first piston group and this second piston group and piston body form one second air chamber, and the piston body of this first piston group and the bar portion of this second piston group and lid form one the 3rd air chamber, this two pistons group toward each other to-and-fro motion time, ambient air enters this first air chamber by the axial one-way mechanism of the lid of this first piston group, gas after compression enters by the radial one-way mechanism of the piston body of the second piston group the second air chamber that the piston body of this two pistons group and bar portion form, gas in this second air chamber more after compression, the one-way mechanism being run through the axis of end face by the piston body of this first piston group enters the 3rd air chamber, gas in the 3rd air chamber more after compression, through the axial one-way mechanism of the piston body central authorities of this first piston group, the one-way mechanism of the axis of this bar portion and lid perforation and these lid central authorities leaves this pump.

Described multi-section type pressurization pump, the piston group wherein connecting this cylindrical shell group body the other end is first piston group, and this lid has at least one axial one-way mechanism, and this piston body end face has at least one axial one-way mechanism, this another piston group is the second piston group, and the lid central authorities perforation of this second piston group, has the one-way mechanism of an axis in these lid central authorities, the one-way mechanism place depression of the radial direction of this piston body forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged at this piston body away between bar end surface and seal ring, piston body and this cylindrical shell group body inner edge of the bar portion outer rim of this first piston group and lid, this second piston group form one first air chamber, the bar portion outer rim of this first piston group and this second piston group and piston body form one second air chamber, and the piston body of this first piston group and the inner edge, bar portion of this second piston group and lid form one the 3rd air chamber, this two pistons group toward each other to-and-fro motion time, ambient air enters this first air chamber by the axial one-way mechanism of the lid of this first piston group, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the second air chamber that the piston body of this two pistons group and bar portion form, gas in this air chamber more after compression, the one-way mechanism being run through the axis of end face by the piston body of this first piston group enters the 3rd air chamber, gas in the 3rd air chamber more after compression, through this second piston group lid central authorities perforation and this lid central axis to one-way mechanism leave this pump.

Described multi-section type pressurization pump, wherein the bonnet central hole inner wall mask of this cylindrical shell group has an annular groove with a sheathed seal ring, and this bonnet has at least one axial one-way mechanism around this bonnet central hole; The bar portion of this another piston group is against the seal ring of this back cover hole inner edge.

Described multi-section type pressurization pump, the piston group wherein connecting this cylindrical shell group body the other end is first piston group, the lid central authorities perforation of this first piston group has the one-way mechanism of an axis, this bar portion and this piston body have central perforation, these piston body central authorities have the one-way mechanism of an axis, and this piston body end face separately has at least one axial one-way mechanism, this another piston group is the second piston group, and the one-way mechanism place depression of the radial direction of the piston body of this second piston group forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged between the contiguous bar end surface of this piston body and seal ring, the bar portion outer rim of this second piston group and piston body and this cylindrical shell group body inner edge and bonnet form one first air chamber, the bar portion outer rim of this first piston group and this second piston group and piston body form one second air chamber, and the piston body of this first piston group and the inner edge, bar portion of this second piston group and lid form one the 3rd air chamber, this two pistons group toward each other to-and-fro motion time, ambient air enters this first air chamber by the axial one-way mechanism of the bonnet of this cylindrical shell group, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the second air chamber that the piston body of this two pistons group and bar portion form, gas in this second air chamber more after compression, the 3rd air chamber is entered by the one-way mechanism of the axis of the piston body end face of this first piston group, gas in the 3rd air chamber more after compression, through the axial one-way mechanism of the piston body central authorities of this first piston group, the one-way mechanism of the axis of bar portion and lid perforation and lid central authorities leaves this pump.

Described multi-section type pressurization pump, the piston group wherein connecting this cylindrical shell group body the other end is first piston group, and the piston body end face of this first piston group has at least one axial one-way mechanism, this another piston group is the second piston group, and the lid central authorities perforation of this second piston group, has the one-way mechanism of an axis in these lid central authorities, the one-way mechanism place depression of the radial direction of this piston body forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged between the contiguous bar end surface of this piston body and seal ring, the bar portion outer rim of this second piston group and piston body and this cylindrical shell group body inner edge and bonnet form one first air chamber, the bar portion outer rim of this first piston group and this second piston group and piston body form one second air chamber, and the piston body of this first piston group and the inner edge, bar portion of this second piston group and lid form one the 3rd air chamber, this two pistons group toward each other to-and-fro motion time, ambient air enters this first air chamber by the axial one-way mechanism of this bonnet, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the second air chamber that the piston body of this two pistons group and bar portion form, gas in this second air chamber more after compression, the 3rd air chamber is entered by the one-way mechanism of the axis of the piston body end face of this first piston group, gas in the 3rd air chamber more after compression, through this second piston group lid central authorities perforation and this lid central axis to one-way mechanism leave this pump.

Described multi-section type pressurization pump, the piston group wherein connecting this cylindrical shell group body the other end is first piston group, the lid central authorities perforation of this first piston group has the one-way mechanism of an axis, this lid separately has at least one axial one-way mechanism, this bar portion and this piston body have central perforation, these piston body central authorities have the one-way mechanism of an axis, and this piston body end face separately has at least one axial one-way mechanism, this another piston group is the second piston group, and this piston body has the one-way mechanism of two radial directions, and the one-way mechanism place depression of this radial direction forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged at the relative both sides of seal ring of this piston body, piston body and this cylindrical shell group body inner edge of the bar portion outer rim of this first piston group and lid, this second piston group form one first air chamber, the bar portion outer rim of this second piston group and piston body and this cylindrical shell group body inner edge and bonnet form one second air chamber, the bar portion outer rim of this first piston group and this second piston group and piston body form one the 3rd air chamber, and the piston body of this first piston group and the inner edge, bar portion of this second piston group and lid form one the 4th air chamber, this two pistons group toward each other to-and-fro motion time, ambient air successively enters this first air chamber and the second air chamber by the axial one-way mechanism of this first piston group lid and this cylindrical shell group bonnet, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the 3rd air chamber that the piston body of this two pistons group and bar portion form, gas in the 3rd air chamber more after compression, the 4th air chamber is entered by the one-way mechanism of the axis of the piston body end face of this second piston group, gas in the 4th air chamber more after compression, through the axial one-way mechanism of the piston body central authorities of this first piston group, the one-way mechanism of the axis of bar portion and lid perforation and lid central authorities leaves this pump.

Described multi-section type pressurization pump, the piston group wherein connecting this cylindrical shell group body the other end is first piston group, and this lid has at least one axial one-way mechanism, and this piston body end face has at least one axial one-way mechanism, this another piston group is the second piston group, and this lid central authorities perforation, has the one-way mechanism of an axis in these lid central authorities, this piston body has the one-way mechanism of two radial directions, and the one-way mechanism place depression of this radial direction forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged at the relative both sides of seal ring of this piston body, the bar portion outer rim of this second piston group and piston body and this cylindrical shell group body inner edge and bonnet form one first air chamber, piston body and this cylindrical shell group body inner edge of the bar portion outer rim of this first piston group and lid, this second piston group form one second air chamber, the bar portion outer rim of this first piston group and this second piston group and piston body form one the 3rd air chamber, and the piston body of this first piston group and the inner edge, bar portion of this second piston group and lid form one the 4th air chamber, this two pistons group toward each other to-and-fro motion time, ambient air successively enters this first air chamber and the second air chamber by the axial one-way mechanism around central hole of this cylindrical shell group bonnet and the axial one-way mechanism around these lid central authorities of this first piston group lid, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the 3rd air chamber that the piston body of this two pistons group and bar portion form, gas in the 3rd air chamber more after compression, the 4th air chamber is entered by the one-way mechanism of the axis of the piston body end face of this first piston group, gas in the 4th air chamber more after compression, one-way mechanism through lid central authorities' perforation of this second piston group and the axis of lid central authorities leaves this pump.

Described multi-section type pressurization pump, wherein this one-way mechanism is through hole and spheroid; This through hole one end is rectangular opening, and the other end is convergent hole, and this spheroid is arranged in this through hole; The piston body central axis of this first piston group is to the through hole tapered end of one-way mechanism away from bar portion perforation, and the through hole tapered end of this piston body end face axial one-way mechanism is away from this piston end surface; The through hole tapered end of the radial one-way mechanism of this second piston group piston body is towards the ring wall of this piston body; The tapered end of the axial one-way mechanism of these two pistons group lid central authorities is towards the perforation of this lid, and the tapered end of remaining axial one-way mechanism of this lid is different from the tapered end direction of the axial one-way mechanism of these lid central authorities.

Described multi-section type pressurization pump, wherein this one-way mechanism is through hole and spheroid; This through hole one end is rectangular opening, and the other end is convergent hole, and this spheroid is arranged in this through hole; The tapered end of this cylindrical shell group bonnet one-way mechanism is away from the body of this cylindrical shell group.

Described multi-section type pressurization pump, the one-way mechanism be wherein somebody's turn to do is circle body; This circle body one side is acting surface, and this acting surface is recessed to form a ditch structure, and this groove makes the inner ring of this acting surface and outer shroud form section for point flake; The piston body ring wall mask of this first piston group has a groove, and the circle body of this axial one-way mechanism is sheathed on this groove, and this circle body acting surface is towards the end face of this piston body; This first piston group lid has an annular groove, and the circle body of the axial one-way mechanism of this lid is installed in this annular groove, and the acting surface of this circle body is towards the ring wall of this lid; This second piston group piston body ring wall mask has a radial perforation, and this piston body respectively has a groove relative to the both sides of this perforation, and this radial one-way mechanism is two circle bodies, and this two circle body is sheathed on this two groove, and the acting surface of this two circle body is towards this radial perforation; This cylindrical shell group bonnet central hole inner edge has a groove, and the circle body of the one-way mechanism of this bonnet axis is installed in this groove.

Described multi-section type pressurization pump, wherein this one-way mechanism is circle body; This circle body one side is acting surface, and this acting surface is recessed to form a ditch structure, and this groove makes the inner ring of this acting surface and outer shroud form section for point flake; The circle body of this bonnet is installed in the annular groove of this cylindrical shell group bonnet central hole inner edge, and the acting surface of this circle body is towards this body.

Described multi-section type pressurization pump, wherein this one-way mechanism is through hole and spheroid; This through hole one end is rectangular opening, and the other end is convergent hole, and this spheroid is arranged in this through hole; The central axis of this two pistons group lid is to the convergent nose end of one-way mechanism towards the perforation of this lid.

The invention has the advantages that the bar portion by piston group and piston body, the body of cylindrical shell group and front, bonnet, and the technological means that between cylinder with its piston body, identical axle center is sheathed each other, under the condition of a limited bulk, separate out multiple plenum space, and with piston body and front, the convergent nose end of through hole and the setting of rectangular opening extreme direction on bonnet, coordinate the installing of through hole interior spheroid simultaneously, form multiple room that can pressurize in the stage, make the piston body of piston group in single reciprocating stroke, multistage air compressing can be completed, to reach high output pressure, air inflow is large, and save time, labour-saving effect, above require great effort and the shortcomings such as poor efficiency with the delivery pressure deficiency or operation of improving prior art.

Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.

Accompanying drawing explanation

Fig. 1 is the first state sectional view of first embodiment of the invention;

Fig. 2 is the second state sectional view of first embodiment of the invention;

Fig. 3 is the first state sectional view of second embodiment of the invention;

Fig. 4 is the second state sectional view of second embodiment of the invention;

Fig. 5 is the first state sectional view of third embodiment of the invention;

Fig. 6 is the second state sectional view of third embodiment of the invention;

Fig. 7 is the first state sectional view of fourth embodiment of the invention;

Fig. 8 is the second state sectional view of fourth embodiment of the invention;

Fig. 9 is the first state sectional view of fifth embodiment of the invention;

Figure 10 is the second state sectional view of fifth embodiment of the invention;

Figure 11 is the first state sectional view of sixth embodiment of the invention;

Figure 12 is the second state sectional view of sixth embodiment of the invention;

Figure 13 is the sectional view of seventh embodiment of the invention;

Figure 14 is the partial enlarged drawing of seventh embodiment of the invention;

Figure 15 is the sectional view of a prior art;

Figure 16 is the sectional view of another prior art.

Embodiment

With the following drawings and preferred embodiments of the present invention, the technological means that the present invention takes for reaching predetermined goal of the invention is set forth further.

Please refer to shown in Fig. 1, the first embodiment of multi-section type pressurization pump of the present invention, comprises first piston group 31,1 second piston group 32 and a cylindrical shell group 33.

This cylindrical shell group 33 has body 331 and a bonnet 332; The body 331 of this cylindrical shell group 33 is a hollow tube; This bonnet 332 is a block and wears shaping one perforation in central authorities, this bonnet 332 is connected to one end of this body 331, this bonnet 332 perforation inner edge wall depression shaping one annular groove, one seal ring 3321 is installed in this annular groove, and at least one axial one-way mechanism 3322 to be arranged on this bonnet 332 and around the perforation of this bonnet 323.

This the second piston group 32 has bar portion 321, lid 322 and a piston body 323, this bar portion 321 is a cylinder, and these cylinder central authorities wear perforation, and this one end, bar portion 321 connects this lid 322, and the other end connects this piston body 323, this piston body 323 central hole formed therethrough one perforation, the perforation in this piston body 323 and bar portion 321 communicates, an annular groove is recessed to form in the ring wall face of this piston body 323, one seal ring 3231 is installed in the annular groove of this piston body 323, this piston body 323 perforation inner edge wall depression shaping one annular groove, one seal ring 3232 is installed in the annular groove of this perforation inner edge, the outer shroud wall of this piston body 323 arranges the one-way mechanism 3233 of a radial direction, between the end face that this one-way mechanism 3233 is arranged at the contiguous bar portion 321 of this piston body 323 and sealing circle 3231, the one-way mechanism 3233 placement depression of this piston body 323, this piston body 323 is installed in the body 331 of this cylindrical shell group 33, the seal ring 3231 of the outer shroud wall of this piston body 323 is resisted against the inner edge wall of this body 331, this piston body 323 arranges this one-way mechanism 3233 place and this body 331 forms gap, this bar portion 321 wear this bonnet 332 perforation and against the seal ring 3321 of this bonnet 332.

This first piston group 31 has bar portion 311, lid 312 and a piston body 313; This bar portion 311 is a cylinder, and these cylinder central authorities wear perforation, and this one end, bar portion 311 connects this lid 312, and the other end connects this piston body 313; These lid 312 central authorities wear perforation, arrange the one-way mechanism 3121 of an axis in this lid 312 perforation place, the perforation of this this lid 312 of one-way mechanism 3121 UNICOM; An annular groove is recessed to form in the ring wall face of this piston body 313, one seal ring 3131 is installed in the annular groove of this piston body 313, these piston body 313 central authorities arrange the one-way mechanism 3132 of an axis, the end face of this piston body 313 separately has at least one axial one-way mechanism 3133, and the perforation of the one-way mechanism 3132 of these piston body 313 central authorities, bar portion 311 and lid 312 is connected; This bar portion 311 wear the piston body 323 of this second piston group 32 perforation and against the seal ring 3232 of this piston body 323, the ring wall face of this piston body 313 is installed in the perforation inner edge, bar portion 321 of this second piston group 32, the seal ring 3131 of this piston body 313 is against the perforation inner edge wall in this bar portion 321, and this lid 312 is connected to the other end of the body 331 of this cylindrical shell group 33.

Please refer to shown in Fig. 1, by bar portion 321, the piston body 323 of this second piston group 32, and the body 331 of this cylindrical shell group 33, bonnet 332 form the first air chamber 301, form the second air chamber 302 by the bar portion of this first piston group 31 and the second piston group 32 and piston body, form the 3rd air chamber 303 by the piston body 313 of the bar portion 321 of this second piston group 32, lid 322 and this first piston group 31; Between this first air chamber 301 and this second air chamber 302, be the UNICOM of air flow path by the radial one-way mechanism 3233 of the piston body 323 of this second piston group 32, between this second air chamber 302 and the 3rd air chamber 303, be the UNICOM of air flow path by the axial one-way mechanism 3133 of piston body 313 end face of this first piston group 31.

Please refer to shown in Fig. 1, first state of multi-section type pressurization pump first embodiment of the present invention, the body 331 gripping on the other hand cylindrical shell group 33 as user forces the lid 322 of this second piston group 32 on the other hand to do one's bidding, with by this bar portion 321 and piston body 323 toward post-tensioning time, the spatial volume of this first air chamber 301 and this second air chamber 302 is reduced, thus the air in this first air chamber 301 and this second air chamber 302 is compressed, the spatial volume of the 3rd air chamber 303 then expands, cause the air pressure of this second air chamber 302 relative to the 3rd air chamber 303 for high, air-flow is by the one-way mechanism 3133 of the axis of piston body 313 end face of this first piston group 31, the 3rd air chamber 303 is entered by this second air chamber 302, simultaneously, air pressure in this first air chamber 301 is greater than external atmospheric pressure, one-way mechanism 3322 on bonnet 332 makes air-flow flow out to the external world, and, when the air pressure of this first air chamber 301 is greater than this second air chamber 302 air pressure relatively, air-flow enters this second air chamber 302 through the one-way mechanism 3233 of piston body 323 radial direction of this second piston group 32 by this first air chamber 301, otherwise, this the second air chamber 302 air pressure is greater than the air pressure of this first air chamber 301 relatively, then air-flow cannot enter this first air chamber 301 through this one-way mechanism 3233 by this second air chamber 302.

Please refer to shown in Fig. 2, second state of multi-section type pressurization pump first embodiment of the present invention, the body 331 gripping on the other hand cylindrical shell group 33 as user forces the lid 322 of this second piston group 32 on the other hand to do one's bidding, so that this bar portion 321 and piston body 323 are pushed away forward, the spatial volume of this first air chamber 301 and this second air chamber 302 expands, the spatial volume of the 3rd air chamber 303 then reduces, thus the air in the 3rd air chamber 303 is compressed, the air pressure in the 3rd air chamber 303 is made to be relatively higher than this second air chamber 302, make air-flow cannot flow into this second air chamber 302 through the one-way mechanism 3133 of piston body 313 end face axial of this first piston group 31 by the 3rd air chamber 303, and the air pressure in the 3rd air chamber 303 is when being relatively greater than the inflatable product internal air pressure of the lid 312 that this is assembled in this first piston group 31, air-flow is through the central one-way mechanism 3132 of the piston body 313 of this first piston group 31, the perforation in this bar portion 311 and the one-way mechanism 3121 of this lid 312 enter in this inflatable product, because of this first air chamber 301 volume expansion, cause air pressure in this first air chamber 301 relatively lower than external atmospheric pressure, air-flow flows into this first air chamber 301 through the one-way mechanism 3322 of this bonnet 332 by the external world.

Please refer to shown in Fig. 3, the second embodiment of multi-section type pressurization pump of the present invention, comprises first piston group 41,1 second piston group 42 and a cylindrical shell group 43.

Second embodiment and the different part of the first embodiment are: the lid 412 of this first piston group 41 has at least one axial one-way mechanism 4122, this one-way mechanism 4122 is arranged on this lid 412, and the one-way mechanism 4121 of the axis arranged around the perforation place of this lid 412; The radial one-way mechanism of the piston body 423 of this second piston group 42 is arranged at this piston body 423 away between the end face in bar portion 421 and sealing circle 4231; The bonnet 432 perforation inner edge of this cylindrical shell group 43 does not have seal ring, does not also have the one-way mechanism of the axis around this perforation simultaneously.

Please refer to shown in Fig. 3, by the body 431 of the bar portion 411 of this first piston group 41, lid 412, this cylindrical shell group 43, and second the piston body 423 of piston group 42 form the first air chamber 401, form the second air chamber 402 by the bar portion of this first piston group 41 and the second piston group 42 and piston body, form the 3rd air chamber 403 by the piston body 413 of the bar portion 421 of this second piston group 42, lid 422 and this first piston group 41; Between this first air chamber 401 and this second air chamber 402, be the UNICOM of air flow path by the radial one-way mechanism 4233 of the piston body 423 of this second piston group 42, between this second air chamber 402 and the 3rd air chamber 403, be the UNICOM of air flow path by the axial one-way mechanism 4133 of piston body 413 end face of this first piston group 41.

Please refer to shown in Fig. 3, first state of multi-section type pressurization pump second embodiment of the present invention, the body 431 gripping on the other hand this cylindrical shell group 43 as user forces the lid 422 of this second piston group 42 on the other hand to do one's bidding, with by this bar portion 421 and piston body 423 toward post-tensioning time, the spatial volume of this second air chamber 402 is reduced, thus the air in this second air chamber 402 is compressed, cause the air pressure of this second air chamber 402 relative to the 3rd air chamber 403 for high, air-flow is by the one-way mechanism 4133 of the axis of piston body 413 end face of this first piston group 41, the 3rd air chamber 403 is entered by this second air chamber 402, now, the spatial volume of this first air chamber 401 expands, due to this first air chamber 401 volume expansion, cause air pressure in this first air chamber 401 relatively lower than external atmospheric pressure, make the one-way mechanism 4122 of the axis of air-flow on this lid 412 flow into this first air chamber 401 by the external world, because this second air chamber 402 air pressure is greater than this first air chamber 401 relatively, make air-flow through the one-way mechanism 4233 of the radial direction of the piston body 423 of this second piston group 42, the first air chamber 401 cannot be entered by the second air chamber 402.

Please refer to shown in Fig. 4, second state of multi-section type pressurization pump second embodiment of the present invention, the body 431 gripping on the other hand this cylindrical shell group 43 as user forces the lid 422 of this second piston group 42 on the other hand to do one's bidding, so that this bar portion 421 and piston body 423 are pushed away forward, the spatial volume of this second air chamber 402 expands, the spatial volume of this first air chamber 401 then reduces, thus the air in this first air chamber 401 is compressed, the air pressure in this first air chamber 401 is made relatively to be greater than this second air chamber 402, therefore air-flow is by the one-way mechanism 4233 of the radial direction of the piston body 423 of this second piston group 42, this the second air chamber 402 is entered by this first air chamber 401, and, air pressure in this first air chamber 401 is greater than extraneous atmospheric pressure, make air-flow cannot flow out to the external world by the one-way mechanism 4122 of the axis of the lid 412 of this first piston group 41, simultaneously, the spatial volume reduction of the 3rd air chamber 403, thus the air in the 3rd air chamber 403 is compressed, the air pressure in the 3rd air chamber 403 is made relatively to be greater than the air pressure of this second air chamber 402, make air-flow cannot pass through the axial one-way mechanism 4133 of piston body 413 end face of this first piston group 41, the second air chamber 402 is flow to by the 3rd air chamber 403, and the air pressure in the 3rd air chamber 403 is when being relatively greater than the air pressure in the inflatable product of the lid 412 being assembled in first piston group 41, make air-flow through the central one-way mechanism 4132 of the piston body 413 of this first piston group 41, the central one-way mechanism 4121 of this central perforation in bar portion 411 and this lid 412 enters in this inflatable product.

Please refer to shown in Fig. 5, the 3rd embodiment of multi-section type pressurization pump of the present invention, first piston group 41,1 second piston group 42 and a cylindrical shell group 43.

3rd embodiment and the different part of the first embodiment are: the lid 512 of this first piston group 51 has at least one axial one-way mechanism 5122, this one-way mechanism 5122 is arranged on this lid 512, and the one-way mechanism 5121 of the axis arranged around the perforation place of this lid 512; The outer shroud wall of the piston body 523 of this second piston group 52 separately has the one-way mechanism 5234 of a radial direction, and this one-way mechanism 5234 is arranged at this piston body 523 away between the end face in bar portion 521 and sealing circle 5231.

By the body 531 of the bar portion 511 of this first piston group 51, lid 512, this cylindrical shell group 53, and second the piston body 523 of piston group 52 form the first air chamber 501, by bar portion 521, the piston body 523 of this second piston group 52, and the body 531 of this cylindrical shell group 53, bonnet 532 form the second air chamber 502, form the 3rd air chamber 503 by the bar portion of this first piston group 51 and the second piston group 52 and piston body, form the 4th air chamber 504 by the piston body 513 of the bar portion 521 of this second piston group 52, lid 522 and this first piston group 51; Between this first air chamber 501 and the 3rd air chamber 503, be the UNICOM of air flow path by the radial one-way mechanism 5234 of the piston body 523 of this second piston group 52, between this second air chamber 502 and the 3rd air chamber 503, be the UNICOM of air flow path by the radial one-way mechanism 5233 of the piston body 523 of this second piston group 52, between 3rd air chamber 503 and the 4th air chamber 504, be the UNICOM of air flow path by the one-way mechanism 5133 of piston body 513 end face of this first piston group 51.

Please refer to shown in Fig. 5, first state of multi-section type pressurization pump the 3rd embodiment of the present invention, the body 531 gripping on the other hand this cylindrical shell group 53 as user forces the lid 522 of this second piston group 52 on the other hand to do one's bidding, with by this bar portion 521 and piston body 523 toward post-tensioning time, the spatial volume of this second air chamber 502 and the 3rd air chamber 503 is reduced, thus the air in this second air chamber 502 and the 3rd air chamber 503 is compressed, cause the air pressure of the 3rd air chamber 503 relative to the 4th air chamber 504 for high, therefore air-flow is by the axial one-way mechanism 5133 of the end face of the piston body 513 of this first piston group 51, the 4th air chamber 504 is entered by the 3rd air chamber 503, simultaneously, air pressure in this second air chamber 502 is greater than external atmospheric pressure, make air-flow cannot flow out to the external world by the one-way mechanism 5322 of the bonnet 532 of this cylindrical shell group 53, and, when the air pressure of this second air chamber 502 is greater than the 3rd air chamber 503 air pressure relatively, air-flow is through the radial one-way mechanism 5233 in this bar portion 521 of vicinity of the piston body 523 of this second piston group 52, the 3rd air chamber 503 is entered by this second air chamber 502, otherwise, 3rd air chamber 503 air pressure is greater than the air pressure of this second air chamber 502 relatively, air-flow cannot enter this second air chamber 502 through the one-way mechanism 5233 of this piston body 523 by the 3rd air chamber 503, now, because the spatial volume of this first air chamber 501 expands, cause air pressure in this first air chamber 501 relatively lower than the pressure of the 3rd air chamber 503 and ambient atmosphere, external air flow is made to flow into this first air chamber 501 through the one-way mechanism 5122 of the lid 512 of this first piston group 51,3rd air chamber 503 air pressure is greater than this first air chamber 501 relatively simultaneously, makes air-flow cannot enter the first air chamber 501 through the radial one-way mechanism 5234 away from this bar portion 521 of the piston body 523 of this second piston group 52 by the 3rd air chamber 503.

Please refer to shown in Fig. 6, second state of multi-section type pressurization pump the 3rd embodiment of the present invention, the body 531 gripping on the other hand this cylindrical shell group 53 as user forces the lid 522 of this second piston group 52 on the other hand to do one's bidding, so that this bar portion 521 and piston body 523 are pushed away forward, the spatial volume reduction of this first air chamber 501 and the 4th air chamber 504, thus the air in this first air chamber 501 and the 4th air chamber 504 is compressed, the air pressure in this first air chamber 501 is made to be relatively higher than external atmospheric pressure, make air-flow cannot pass through the one-way mechanism 5121 of the lid 512 of this first piston group 51, the external world is flowed out to by this first air chamber 501, simultaneously, the pressure of this first air chamber 501 is high relative to the 3rd air chamber 503, the then radial one-way mechanism 5234 of the piston body 523 of air-flow process this this second piston group 52, the 3rd air chamber 503 is flowed into by this first air chamber 501, when air pressure in the inflatable product that the air pressure in the 4th air chamber 504 is greater than the lid 512 being assembled in this first piston group 51 relatively, air-flow enters in this inflatable product through the central one-way mechanism 5121 of the central one-way mechanism 5132 of the piston body 513 of this first piston group 51, this central perforation in bar portion 511 and this lid 512, now, because of this second air chamber 502 volume expansion, cause air pressure in this second air chamber 502 relatively lower than external atmospheric pressure, make external air flow flow into this second air chamber 502 through the one-way mechanism 5322 of the bonnet 532 of this cylindrical shell group 53.

Please refer to shown in Fig. 7, the 4th embodiment of multi-section type pressurization pump of the present invention, comprises first piston group 61,1 second piston group 62 and a cylindrical shell group 63.

This cylindrical shell group 63 has body 631 and a bonnet 632; The body 631 of this cylindrical shell group 63 is a hollow tube; This bonnet 632 is a block and wears shaping one perforation in central authorities, and this bonnet 632 is connected to one end of this body 631.

This the second piston group 62 has bar portion 621, lid 622 and a piston body 623, this bar portion 621 is a cylinder, and these cylinder central authorities wear perforation, and this one end, bar portion 621 connects this lid 622, and the other end connects this piston body 623, this lid 622 is a block, and shaping one perforation is worn by these block central authorities, arranges the one-way mechanism 6221 of an axis in this perforation place, and this one-way mechanism 6221 communicates with this perforation, this piston body 623 central hole formed therethrough one perforation, this piston body 623, the perforation of bar portion 621 and lid 622 communicates, an annular groove is recessed to form in the ring wall face of this piston body 623, one seal ring 6231 is installed in the annular groove of this piston body 623, this piston body 623 perforation inner edge wall depression shaping one annular groove, one seal ring 6232 is installed in the annular groove of this perforation inner edge, the outer shroud wall of this piston body 623 arranges the one-way mechanism 6233 of a radial direction, this one-way mechanism 6233 is arranged at this piston body 623 away between the end face in bar portion 621 and sealing circle 6231, the one-way mechanism 6233 placement depression of this piston body 623, this piston body 623 is installed in the body 631 of this cylindrical shell group 63, the seal ring 6231 of the outer shroud wall of this piston body 623 is resisted against the inner edge wall of this body 631, this piston body 623 arranges this one-way mechanism 6233 place and this body 331 forms gap, and this bar portion 621 wears the perforation of this bonnet 632.

This first piston group 61 has bar portion 611, lid 612 and a piston body 613; This bar portion 611 is a cylinder, and this one end, bar portion 611 connects this lid 612, and the other end connects this piston body 613; The end face of this lid 612 arranges the one-way mechanism 6121 of at least one axis around central authorities; Be recessed to form an annular groove in the ring wall face of this piston body 613, a seal ring 6131 is installed in the annular groove of this piston body 613, and this piston body 613 end face arranges at least one axial one-way mechanism 6132; This bar portion 611 wear the piston body 623 of this second piston group 62 perforation and against the seal ring 6232 of this piston body 623, the ring wall face of this piston body 613 is installed in the perforation inner edge, bar portion 621 of this second piston group 62, the seal ring 6131 of this piston body 613 is against the perforation inner edge wall in this bar portion 621, and this lid 612 is connected to the other end of the body 631 of this cylindrical shell group 63.

Please refer to shown in Fig. 7, the first air chamber 601 is formed by the lid 612 of this first piston group 61, bar portion 611, the body 631 of this cylindrical shell group 63 and the piston body 623 of the second piston group 62, form the second air chamber 602 by the bar portion of this first piston group 61 and the second piston group 62 and piston body, form the 3rd air chamber 603 by the bar portion 621 of piston body 613, the second piston group 62 of this first piston group 61 and lid 622; Between this first air chamber 601 and this second air chamber 602, the UNICOM of to be the one-way mechanism 6233 of the radial direction of the piston body 623 by this second piston group 62 be air flow path; Between this second air chamber 602 and the 3rd air chamber 603, be the UNICOM of air flow path by the one-way mechanism 6132 of piston body 613 end face of this first piston group 61.

Please refer to shown in Fig. 7, first state of multi-section type pressurization pump the 4th embodiment of the present invention, the lid 622 gripping on the other hand this second piston group 62 as user grips the body 631 of this cylindrical shell group 63 on the other hand, with by the bar portion 611 of this first piston group 61 and piston body 613 toward post-tensioning, the spatial volume of this second air chamber 602 is reduced, thus the air in this second air chamber 602 is compressed, the spatial volume of the 3rd air chamber 603 then expands, cause the air pressure of this second air chamber 602 relative to the 3rd air chamber 603 for high, air-flow is by the one-way mechanism 6132 of the axis of piston body 613 end face of this first piston group 61, the 3rd air chamber 603 is entered by this second air chamber 602, simultaneously, air pressure in this first air chamber 601 is lower than external atmospheric pressure, make air-flow through the one-way mechanism 6132 of the lid 612 of this first piston group 61, this the first air chamber 601 is flowed into by the external world, and, now the air pressure of this second air chamber 602 is greater than this first air chamber 601 air pressure relatively, and air-flow through the radial one-way mechanism 6233 of the piston body 623 of this second piston group 62, cannot enter this first air chamber 601 by this second air chamber 602.

Please refer to shown in Fig. 8, second state of multi-section type pressurization pump the 4th embodiment of the present invention, the lid 622 gripping on the other hand this second piston group 62 as user grips the body 631 of this cylindrical shell group 63 on the other hand, so that the bar portion 611 of this first piston group 61 and piston body 613 are pushed away forward, the spatial volume of this second air chamber 602 expands, the spatial volume of this first air chamber 601 and the 3rd air chamber 603 then reduces, thus the air in this first air chamber 601 and the 3rd air chamber 603 is compressed, because the air pressure in this first air chamber 601 is relatively higher than this second air chamber 602, make air-flow by the one-way mechanism 6233 of the radial direction of the piston body 623 of this second piston group 62, this the second air chamber 602 is flowed into by this first air chamber 601, and, air pressure in this first air chamber 601 is relatively higher than external atmospheric pressure, make air-flow cannot flow out to the external world by the one-way mechanism 6121 of the lid 612 of this first piston group 61, meanwhile, the air pressure in the 3rd air chamber 603 is greater than the air pressure in this inflatable product being assembled in this second piston group 62 lid 622 relatively, and the central perforation of this lid 622 of air-flow process and this one-way mechanism 6221 are entered in this inflatable product.

Please refer to shown in Fig. 9, the 5th embodiment of multi-section type pressurization pump of the present invention comprises first piston group 71,1 second piston group 72 and a cylindrical shell group 73.

5th embodiment and the different part of the 4th embodiment are: the lid 712 of this first piston group 71 does not have axial one-way mechanism; Between the end face that the radial one-way mechanism 7233 of the piston body 723 of this second piston group 72 is arranged at the contiguous bar portion 721 of this piston body 723 and sealing circle 7231; Cave in an annular groove for the perforation inner edge of the bonnet 732 of this cylindrical shell group 73, installs a seal ring 7321 in this annular groove, and this bonnet 732 also has the one-way mechanism 7322 of at least one axis around this perforation.

Please refer to shown in Fig. 9, by bar portion 721, the piston body 723 of this second piston group 72, and the body 731 of this cylindrical shell group 73, bonnet 732 form the first air chamber 701, form the second air chamber 702 by the bar portion of this first piston group 71 and the second piston group 72 and piston body, form the 3rd air chamber 703 by the piston body 713 of the bar portion 721 of this second piston group 72, lid 722 and this first piston group 71; Between this first air chamber 701 and this second air chamber 702, be the UNICOM of air flow path by the one-way mechanism 7233 of the piston body 723 of this second piston group 72, between this second air chamber 702 and the 3rd air chamber 703, the UNICOM of to be the one-way mechanism 7132 of the axis of the piston body 713 by this first piston group 71 be air flow path.

Please refer to shown in Fig. 9, first state of multi-section type pressurization pump the 5th embodiment of the present invention, the lid 722 gripping on the other hand this second piston group 72 as user grips the body 731 of this cylindrical shell group 73 on the other hand, with by the bar portion 711 of this first piston group 71 and piston body 713 toward post-tensioning, the spatial volume of this first air chamber 701 and this second air chamber 702 is reduced, thus the air in this first air chamber 701 and the second air chamber 702 is compressed, the spatial volume of the 3rd air chamber 703 then expands, cause the air pressure of this second air chamber 702 relative to the 3rd air chamber 703 for high, make air-flow by the one-way mechanism 7132 of the axis of piston body 713 end face of this first piston group 71, the 3rd air chamber 703 is entered by this second air chamber 702, now, air pressure in this first air chamber 701 is higher than external atmospheric pressure, make air-flow cannot pass through the one-way mechanism 7322 of the axis of the bonnet 732 of this cylindrical shell group 73, the external world is flowed out to by this first air chamber 701, when the air pressure of this second air chamber 702 is greater than this first air chamber 701 air pressure relatively, air-flow cannot through the one-way mechanism 7233 of the radial direction of the piston body 723 of this second piston group 72, this the first air chamber 701 is entered by this second air chamber 702, otherwise, when this first air chamber 701 air pressure is greater than this second air chamber 702 air pressure relatively, then air-flow enters this second air chamber 702 through this one-way mechanism 7233 by this first air chamber 701.

Please refer to shown in Figure 10, second state of multi-section type pressurization pump the 5th embodiment of the present invention, the lid 722 gripping on the other hand this second piston group 72 as user grips the body 731 of this cylindrical shell group 73 on the other hand, so that the bar portion 711 of this first piston group 71 and piston body 713 are pushed away forward, the spatial volume of this first air chamber 701 and this second air chamber 702 expands, the spatial volume of the 3rd air chamber 703 then reduces, thus the air in the 3rd air chamber 703 is compressed, because the air pressure in the 3rd air chamber 703 is relatively higher than this second air chamber 702, make air-flow cannot by the one-way mechanism 7132 of the axis of piston body 713 end face of this first piston group 71, this the second air chamber 702 is flowed into by the 3rd air chamber 703, and, air pressure in this first air chamber 701 is relatively lower than external atmospheric pressure, make air-flow by the one-way mechanism 7322 of the bonnet 732 of this cylindrical shell group 73, this the first air chamber 701 is flowed into by the external world, because the air pressure in the 3rd air chamber 703 is greater than the air pressure in this inflatable product being assembled in the lid 722 of this second piston group 72 relatively, then air-flow enters in this inflatable product through the perforation of this lid 722 and this one-way mechanism 7221.

Please refer to shown in Figure 11, the 6th embodiment of multi-section type pressurization pump of the present invention comprises first piston group 81,1 second piston group 82 and a cylindrical shell group 83.

6th embodiment and the different part of the 4th embodiment are: the outer shroud wall of the piston body 823 of this second piston group 82 separately has the one-way mechanism 8234 of a radial direction, between the end face that this one-way mechanism 8234 is arranged at the contiguous bar portion 821 of this piston body 823 and sealing circle 8231; Cave in an annular groove for the perforation inner edge of the bonnet 832 of this cylindrical shell group 83, installs a seal ring 8321 in this annular groove, and this bonnet 832 also has the one-way mechanism 8322 of at least one axis around this perforation.

By bar portion 821, the piston body 823 of this second piston group 82, and the body 831 of this cylindrical shell group 83, bonnet 832 form the first air chamber 801, by the body 831 of the bar portion 811 of this first piston group 81, lid 812, this cylindrical shell group 83, and the piston body 823 of this second piston group 82 forms the second air chamber 802, form the 3rd air chamber 803 by the bar portion of this first piston group 81 and the second piston group 82 and piston body; The 4th air chamber 804 is formed by the piston body 813 of the bar portion 821 of this second piston group 82, lid 822 and this first piston group 81; Between this first air chamber 801 and the 3rd air chamber 803, be the UNICOM of air flow path by the radial one-way mechanism 8233 of the piston body 823 of this second piston group 82, between this second air chamber 802 and the 3rd air chamber 803, be the UNICOM of air flow path by the radial one-way mechanism 8234 of the piston body 823 of this second piston group 82, between 3rd air chamber 803 and the 4th air chamber 804, be the UNICOM of air flow path by the one-way mechanism 8132 of piston body 813 end face of this first piston group 81.

Please refer to shown in Figure 11, first state of multi-section type pressurization pump the 6th embodiment of the present invention, the lid 822 gripping on the other hand this second piston group 82 as user grips the body 831 of this cylindrical shell group 83 on the other hand, with by the bar portion 811 of this first piston group 81 and piston body 813 toward post-tensioning, the spatial volume of this first air chamber 801 and the 3rd air chamber 803 is reduced, thus the air in this first air chamber 801 and the 3rd air chamber 803 is compressed, the spatial volume of this second air chamber 802 and the 4th air chamber 804 then expands, cause the air pressure of the 3rd air chamber 803 relative to the 4th air chamber 804 for high, air-flow is by the one-way mechanism 8132 of piston body 813 end face of this first piston group 81, the 4th air chamber 804 is entered by the 3rd air chamber 803, and, when the first air chamber 801 air pressure is relatively higher than the 3rd air chamber 803, air-flow is through the radial one-way mechanism 8233 of the piston body 823 of this second piston group 82, the 3rd air chamber 803 is flowed into by this first air chamber 801, otherwise, 3rd air chamber 803 air pressure is relatively higher than the air pressure of this first air chamber 801, air-flow cannot flow into this first air chamber 801 through this one-way mechanism 8234 by the 3rd air chamber 803, the air pressure of this first air chamber 801 is greater than external atmospheric pressure relatively, make air-flow cannot flow out to the external world by the axial one-way mechanism 8322 of the bonnet 832 of this cylindrical shell group 83, simultaneously, air pressure in this second air chamber 802, lower than external atmospheric pressure, makes air-flow flow into this second air chamber 802 through the axial one-way mechanism 8132 of the lid 812 of this first piston group 81 by the external world.

Please refer to shown in Figure 12, second state of multi-section type pressurization pump the 6th embodiment of the present invention, the lid 822 gripping on the other hand this second piston group 82 as user grips the body 831 of this cylindrical shell group 83 on the other hand, so that the bar portion 811 of this first piston group 81 and piston body 813 are pushed away forward, the spatial volume reduction of this second air chamber 802 and the 4th air chamber 804, thus the air in this second air chamber 802 and the 4th air chamber 804 is compressed, the air pressure in this second air chamber 802 is made to be relatively higher than external atmospheric pressure, air-flow cannot through the axial one-way mechanism 8121 of the lid 812 of this first piston group 81, the external world is flowed out to by this second air chamber 802, and, when air pressure in the inflatable product that the air pressure in the 4th air chamber 804 is greater than the lid 822 being assembled in this second piston group 82 relatively, perforation and this one-way mechanism 8221 of this lid 822 of air-flow process enter in this inflatable product, now, because of this first air chamber 801 and the 3rd air chamber 803 volume expansion, the air pressure of this second air chamber 802 is caused to be relatively higher than the air pressure of the 3rd air chamber 803, make air-flow through the radial one-way mechanism 8233 of the piston body 823 of this second piston group 82, the 3rd air chamber 803 is flowed into by this second air chamber 802, simultaneously, air pressure in this first air chamber 801 is relatively lower than external atmospheric pressure, make air-flow through the axial one-way mechanism 8322 of the bonnet 832 of this cylindrical shell group 83, flow into this first air chamber 801 by the external world.

First embodiment of the invention, to the one-way mechanism of the 6th embodiment, refers to through hole and spheroid, and this through hole one end is rectangular opening, and the other end is convergent hole, and this spheroid is arranged in this through hole; The through hole tapered end of the axial one-way mechanism of the piston body central authorities of this first piston group is away from this bar portion perforation, and the through hole tapered end of this piston body end face axial one-way mechanism is away from this piston body end face; The through hole tapered end of the radial one-way mechanism of this second piston group piston body is towards the outer shroud wall of this piston body; The tapered end of the axial one-way mechanism of these two pistons group lid central authorities is towards the perforation of this lid, and the tapered end of remaining axial one-way mechanism of this lid is different from the tapered end direction of the axial one-way mechanism of these lid central authorities; The tapered end of the one-way mechanism of the bonnet of this cylindrical shell group is away from the body of this cylindrical shell group.

Please refer to shown in Figure 13, the 7th embodiment of multi-section type pressurization pump of the present invention comprises first piston group 91,1 second piston group 92 and a cylindrical shell group 93.

7th embodiment and the different part of the 6th embodiment are: replace the element of spheroid as one-way mechanism using circle body, this circle body one side is basal surface, another side is acting surface, acting surface in this circle body is recessed to form a groove, and this groove makes the inner ring of this circle body and outer shroud form section for point flake; At least one radial direction through hole 9232 around this piston body 923 of this second piston group piston body 923 hole formed therethrough, the outer shroud wall of this piston body 923 is recessed to form two annular grooves relative to the both sides of this through hole 9232.

The outer shroud wall of the piston body 913 of this first piston group 91 is recessed to form an annular groove, the acting surface of one first circle body 9131 is away from the annular groove being installed in this piston body 913 in this bar portion 911, this lid 912 forms one around the closed annular groove of these lid 912 central authorities, and the acting surface of one second circle body 9121 is towards this bar portion 911 and be installed in the annular groove of this lid 912; Two annular grooves of the piston body 923 outer shroud wall of this second piston group 92 install the acting surface of the 3rd circle body 9233 and the 4th circle body the 9234, three circle body 9233 and the 4th circle body 9234 separately towards this through hole 9232; The annular groove of the perforation inner edge of the bonnet 932 of this cylindrical shell group 93 installs the body 931 of acting surface towards this cylindrical shell group 93 of one the 5th circle body the 9321, five circle body 9321.

This circle body is arranged in the annular groove of piston body or lid, and the inner ring of this circle body and outer shroud can be easy to abut on the surface of neighbouring element, please refer to shown in Figure 14, when the pressure of the first air chamber 901 is greater than the second air chamber 902 and the 3rd air chamber 903, air-flow passes through the gap of this piston body 923 outer shroud wall and this body 931, 4th circle body 9234 side is by gas shock, the acting surface of the 4th circle body 9234 is inside contracted, air-flow thus through the gap of the 4th circle body 9234 with this body 931, the 3rd air chamber 903 is entered by this through hole 9232, simultaneously, air-flow directly impacts the groove on the acting surface of the 3rd circle body 9233, then the acting surface of the 3rd circle body 9233 is opened outward, the basal surface of the 3rd circle body 9233 is resisted against in the annular groove of this piston body 923, air-flow cannot pass through the gap of the 3rd circle body 9233 and this body 931 to this second air chamber 902.

When this first air chamber 901 pressure is lower than external atmospheric pressure, external air flow passes through the gap in the bonnet 932 central perforation inner edge wall of this cylindrical shell group 93 and the bar portion 921 of this second piston group 92, the side of gas shock the 5th circle body 9321, the 5th circle body 9321 acting surface is made to inside contract, then air-flow passes through the gap in the 5th circle body 9321 and this bar portion 921 to enter this first air chamber 901, otherwise, when this first air chamber 901 pressure is greater than external atmospheric pressure, the groove of the acting surface of gas shock the 5th circle body 9321, 5th circle body 9321 acting surface is opened outward, air-flow cannot be extremely extraneous with the gap in this bar portion 921 by the 5th circle body 9321, between this second air chamber 902 and extraneous or the 3rd air chamber 903 during air circulation, the start of this second circle body 9121 or the 3rd circle body 9233, or when inflatable product is given in the inflation of the 4th air chamber 904, the start situation of this first circle body 9131 is the same, repeats no more.

In multi-section type pressurization pump of the present invention, when the piston body of piston group, before the piston body of cylinder and cylindrical shell group, when through hole interior spheroid on bonnet is against the rectangle nose end of through hole, air-flow system enters through hole by the convergent nose end of through hole, and by the rectangle nose end of through hole and spheroid against time the gap location that produces leave, but when spheroid is against the convergent nose end of through hole, spheroid is closely connected in the convergent nose end inner edge of through hole, though air-flow can enter through hole by the rectangle nose end of through hole but cannot be left by the convergent nose end of through hole, or, circle body is used between the parts of each relative movement, due to the setting direction of acting surface in annular groove of this circle body, when making it bear gas shock, the acting surface of this circle body inside contracts or opens outward, to affect whether passing through of air-flow, thus the setting of circle body in the cooperation of through hole and spheroid or annular groove is made to have the effect of one-way valve, the piston body of piston group, the piston body of this cylinder, and the seal ring installed of the front/rear cover perforation inner edge of cylindrical shell group or circle body, be for guarantee by said elements the air chamber that separates out, when the body of the relative cylindrical shell group of piston body of piston group or the bar portion of the piston body opposing pistons group of cylinder move back and forth, can keep airtight isolated, the opening end in the bar portion of piston group against pad be then tight installing for guaranteeing between this bar portion and other yuan, when described chamber volume reduction, effect of good compression air can be had.

Multi-section type of the present invention pressurization pump is by the bar portion of piston group and piston body, the body of cylindrical shell group and front, bonnet, and identical axle center sheathed each other between cylinder with its piston body, under the condition of existing volume, separate out multiple plenum space, and with piston body and front, the convergent nose end of through hole and the setting of rectangular opening extreme direction on bonnet, coordinate the installing of through hole interior spheroid simultaneously, or the setting direction of the acting surface of circle body in annular groove, form multiple room that can pressurize in the stage, make the piston body of piston group in single reciprocating stroke, multistage air compressing can be completed, to reach high output pressure, air inflow is large, and save time, labour-saving effect.

Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.

Claims

1. a multi-section type pressurization pump, has two piston groups, a cylindrical shell group and multiple one-way mechanism; It is characterized in that,

This piston group respectively has a bar portion, a piston body and a lid; This bar portion is a cylinder, and this one end, bar portion connects this lid, and the other end connects this piston body; This piston body external annulus mask has an annular groove with a sheathed seal ring; Wherein the lid of a piston group has at least one axial one-way mechanism, and these central authorities of bar portion wear perforation, and this one-way mechanism communicates in this perforation;

This cylindrical shell group has a body and a bonnet; This body is a hollow tube, this bonnet centre hole formed therethrough one hole, and this bonnet is connected to one end of this body;

The wherein piston body central authorities perforation of a piston group, the perforation inner wall mask of this piston body has an annular groove with a sheathed seal ring, this piston body has the one-way mechanism of at least one radial direction, and this piston body is installed in the body inner edge of this cylindrical shell group, and this bar portion wears the hole of this bonnet; The bar portion of another piston group wears the perforation of the piston body of this piston group, and the piston body of this another piston group is installed in the perforation inner edge, bar portion of this piston group; The piston body of this another piston group has at least one axial one-way mechanism, and this lid is connected to the body the other end of this cylindrical shell group.

2. multi-section type pressurization pump according to claim 1, it is characterized in that, the piston group connecting this cylindrical shell group body the other end is first piston group, the lid central authorities perforation of this first piston group has the one-way mechanism of an axis, and this lid separately has at least one axial one-way mechanism around this lid perforation; This bar portion and this piston body have central perforation, and these piston body central authorities have the one-way mechanism of an axis, and this piston body end face separately has at least one axial one-way mechanism;

This another piston group is the second piston group, and the one-way mechanism place depression of the radial direction of the piston body of this second piston group forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged at this piston body away between bar end surface and seal ring;

Piston body and this cylindrical shell group body of the bar portion of this first piston group and lid, this second piston group form one first air chamber, the bar portion of this first piston group and this second piston group and piston body form one second air chamber, and the piston body of this first piston group and the bar portion of this second piston group and lid form one the 3rd air chamber;

This two pistons group toward each other to-and-fro motion time, ambient air enters this first air chamber by the axial one-way mechanism of the lid of this first piston group, gas after compression enters by the radial one-way mechanism of the piston body of the second piston group the second air chamber that the piston body of this two pistons group and bar portion form, gas in this second air chamber more after compression, the one-way mechanism being run through the axis of end face by the piston body of this first piston group enters the 3rd air chamber, gas in the 3rd air chamber more after compression, through the axial one-way mechanism of the piston body central authorities of this first piston group, the one-way mechanism of the axis of this bar portion and lid perforation and these lid central authorities leaves this pump.

3. multi-section type pressurization pump according to claim 1, it is characterized in that, the piston group connecting this cylindrical shell group body the other end is first piston group, and this lid has at least one axial one-way mechanism, and this piston body end face has at least one axial one-way mechanism;

This another piston group is the second piston group, and the lid central authorities perforation of this second piston group, has the one-way mechanism of an axis in these lid central authorities; The one-way mechanism place depression of the radial direction of this piston body forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged at this piston body away between bar end surface and seal ring;

Piston body and this cylindrical shell group body inner edge of the bar portion outer rim of this first piston group and lid, this second piston group form one first air chamber, the bar portion outer rim of this first piston group and this second piston group and piston body form one second air chamber, and the piston body of this first piston group and the inner edge, bar portion of this second piston group and lid form one the 3rd air chamber;

This two pistons group toward each other to-and-fro motion time, ambient air enters this first air chamber by the axial one-way mechanism of the lid of this first piston group, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the second air chamber that the piston body of this two pistons group and bar portion form, gas in this air chamber more after compression, the one-way mechanism being run through the axis of end face by the piston body of this first piston group enters the 3rd air chamber, gas in the 3rd air chamber more after compression, through this second piston group lid central authorities perforation and this lid central axis to one-way mechanism leave this pump.

4. multi-section type pressurization pump according to claim 1, it is characterized in that, the bonnet central hole inner wall mask of this cylindrical shell group has an annular groove with a sheathed seal ring, and this bonnet has at least one axial one-way mechanism around this bonnet central hole;

The bar portion of this another piston group is against the seal ring of this back cover hole inner edge.

5. multi-section type pressurization pump according to claim 4, it is characterized in that, the piston group connecting this cylindrical shell group body the other end is first piston group, the lid central authorities perforation of this first piston group has the one-way mechanism of an axis, this bar portion and this piston body have central perforation, these piston body central authorities have the one-way mechanism of an axis, and this piston body end face separately has at least one axial one-way mechanism;

This another piston group is the second piston group, and the one-way mechanism place depression of the radial direction of the piston body of this second piston group forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged between the contiguous bar end surface of this piston body and seal ring;

The bar portion outer rim of this second piston group and piston body and this cylindrical shell group body inner edge and bonnet form one first air chamber, the bar portion outer rim of this first piston group and this second piston group and piston body form one second air chamber, and the piston body of this first piston group and the inner edge, bar portion of this second piston group and lid form one the 3rd air chamber;

This two pistons group toward each other to-and-fro motion time, ambient air enters this first air chamber by the axial one-way mechanism of the bonnet of this cylindrical shell group, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the second air chamber that the piston body of this two pistons group and bar portion form, gas in this second air chamber more after compression, the 3rd air chamber is entered by the one-way mechanism of the axis of the piston body end face of this first piston group, gas in the 3rd air chamber more after compression, through the axial one-way mechanism of the piston body central authorities of this first piston group, the one-way mechanism of the axis of bar portion and lid perforation and lid central authorities leaves this pump.

6. multi-section type pressurization pump according to claim 4, it is characterized in that, the piston group connecting this cylindrical shell group body the other end is first piston group, and the piston body end face of this first piston group has at least one axial one-way mechanism;

This another piston group is the second piston group, and the lid central authorities perforation of this second piston group, has the one-way mechanism of an axis in these lid central authorities; The one-way mechanism place depression of the radial direction of this piston body forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged between the contiguous bar end surface of this piston body and seal ring;

This two pistons group toward each other to-and-fro motion time, ambient air enters this first air chamber by the axial one-way mechanism of this bonnet, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the second air chamber that the piston body of this two pistons group and bar portion form, gas in this second air chamber more after compression, the 3rd air chamber is entered by the one-way mechanism of the axis of the piston body end face of this first piston group, gas in the 3rd air chamber more after compression, through this second piston group lid central authorities perforation and this lid central axis to one-way mechanism leave this pump.

7. multi-section type pressurization pump according to claim 4, it is characterized in that, the piston group connecting this cylindrical shell group body the other end is first piston group, the lid central authorities perforation of this first piston group has the one-way mechanism of an axis, this lid separately has at least one axial one-way mechanism, this bar portion and this piston body have central perforation, and these piston body central authorities have the one-way mechanism of an axis, and this piston body end face separately has at least one axial one-way mechanism;

This another piston group is the second piston group, and this piston body has the one-way mechanism of two radial directions, and the one-way mechanism place depression of this radial direction forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged at the relative both sides of seal ring of this piston body;

Piston body and this cylindrical shell group body inner edge of the bar portion outer rim of this first piston group and lid, this second piston group form one first air chamber, the bar portion outer rim of this second piston group and piston body and this cylindrical shell group body inner edge and bonnet form one second air chamber, the bar portion outer rim of this first piston group and this second piston group and piston body form one the 3rd air chamber, and the piston body of this first piston group and the inner edge, bar portion of this second piston group and lid form one the 4th air chamber;

This two pistons group toward each other to-and-fro motion time, ambient air successively enters this first air chamber and the second air chamber by the axial one-way mechanism of this first piston group lid and this cylindrical shell group bonnet, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the 3rd air chamber that the piston body of this two pistons group and bar portion form, gas in the 3rd air chamber more after compression, the 4th air chamber is entered by the one-way mechanism of the axis of the piston body end face of this second piston group, gas in the 4th air chamber more after compression, through the axial one-way mechanism of the piston body central authorities of this first piston group, the one-way mechanism of the axis of bar portion and lid perforation and lid central authorities leaves this pump.

8. multi-section type pressurization pump according to claim 4, it is characterized in that, the piston group connecting this cylindrical shell group body the other end is first piston group, and this lid has at least one axial one-way mechanism, and this piston body end face has at least one axial one-way mechanism;

This another piston group is the second piston group, and this lid central authorities perforation, has the one-way mechanism of an axis in these lid central authorities; This piston body has the one-way mechanism of two radial directions, and the one-way mechanism place depression of this radial direction forms gap with the body of cylindrical shell group, and the one-way mechanism of this radial direction is arranged at the relative both sides of seal ring of this piston body;

The bar portion outer rim of this second piston group and piston body and this cylindrical shell group body inner edge and bonnet form one first air chamber, piston body and this cylindrical shell group body inner edge of the bar portion outer rim of this first piston group and lid, this second piston group form one second air chamber, the bar portion outer rim of this first piston group and this second piston group and piston body form one the 3rd air chamber, and the piston body of this first piston group and the inner edge, bar portion of this second piston group and lid form one the 4th air chamber;

This two pistons group toward each other to-and-fro motion time, ambient air successively enters this first air chamber and the second air chamber by the axial one-way mechanism around central hole of this cylindrical shell group bonnet and the axial one-way mechanism around these lid central authorities of this first piston group lid, gas after compression enters by the radial one-way mechanism of the piston body of this second piston group the 3rd air chamber that the piston body of this two pistons group and bar portion form, gas in the 3rd air chamber more after compression, the 4th air chamber is entered by the one-way mechanism of the axis of the piston body end face of this first piston group, gas in the 4th air chamber more after compression, one-way mechanism through lid central authorities' perforation of this second piston group and the axis of lid central authorities leaves this pump.

9. the multi-section type pressurization pump according to Claims 2 or 3, it is characterized in that, this one-way mechanism is through hole and spheroid;

This through hole one end is rectangular opening, and the other end is convergent hole, and this spheroid is arranged in this through hole;

The piston body central axis of this first piston group is to the through hole tapered end of one-way mechanism away from bar portion perforation, and the through hole tapered end of this piston body end face axial one-way mechanism is away from this piston body end face;

The through hole tapered end of the radial one-way mechanism of this second piston group piston body is towards the outer shroud wall of this piston body;

The tapered end of the axial one-way mechanism of these two pistons group lid central authorities is towards the perforation of this lid, and the tapered end of remaining axial one-way mechanism of this lid is different from the tapered end direction of the axial one-way mechanism of these lid central authorities.

10. the multi-section type pressurization pump according to claim 4 to 8 any one, it is characterized in that, this one-way mechanism is through hole and spheroid;

The tapered end of this cylindrical shell group bonnet one-way mechanism is away from the body of this cylindrical shell group.

11. multi-section type pressurization pumps according to claim 10, it is characterized in that, the piston body central axis of this first piston group is to the through hole tapered end of one-way mechanism away from bar portion perforation, and the through hole tapered end of this piston body end face axial one-way mechanism is away from this piston end surface;

The through hole tapered end of the radial one-way mechanism of this second piston group piston body is towards the ring wall of this piston body;

The central axis of this two pistons group lid is to the tapered end of one-way mechanism towards the perforation of this lid, and the tapered end of remaining axial one-way mechanism of this lid is different from the tapered end direction of the axial one-way mechanism of these lid central authorities.

12. according to Claims 2 or 3 multi-section type pressurization pump, it is characterized in that, this one-way mechanism is circle body;

This circle body one side is acting surface, and this acting surface is recessed to form a ditch structure, and this groove makes the inner ring of this acting surface and outer shroud form section for point flake;

The circle body of the piston body of this first piston group is sheathed on the annular groove of the piston body outer shroud wall of this first piston group, and this circle body acting surface is away from this bar portion;

This first piston group lid has one and closes annular groove, and the circle body of this lid is installed in this annular groove, and the acting surface of this circle body is towards this bar portion;

This second piston group piston body ring wall mask has at least one radial perforation, and this piston body respectively has an annular groove relative to the both sides of this perforation, and two circle bodies of this second piston group piston body are sheathed on this two annular groove separately, and the acting surface of this two circle body is towards this radial perforation.

13. according to claim 4 to 8 any one multi-section type pressurization pump, it is characterized in that, this one-way mechanism is circle body;

The circle body of this bonnet is installed in the annular groove of this cylindrical shell group bonnet central hole inner edge, and the acting surface of this circle body is towards this body.

14. multi-section type pressurization pumps according to claim 13, it is characterized in that, the circle body of the piston body of this first piston group is sheathed on the annular groove of the piston body outer shroud wall of this first piston group, and this circle body acting surface is away from this bar portion;

15. multi-section type pressurization pumps according to claim 12, it is characterized in that, this one-way mechanism is through hole and spheroid;

The central axis of this two pistons group lid is to the convergent nose end of one-way mechanism towards the perforation of this lid.

16. multi-section type pressurization pumps according to claim 14, it is characterized in that, this one-way mechanism is through hole and spheroid;