CN1746498A - Gas pump with inflation and aspiration functions - Google Patents
Gas pump with inflation and aspiration functions Download PDFInfo
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- CN1746498A CN1746498A CN 200410074328 CN200410074328A CN1746498A CN 1746498 A CN1746498 A CN 1746498A CN 200410074328 CN200410074328 CN 200410074328 CN 200410074328 A CN200410074328 A CN 200410074328A CN 1746498 A CN1746498 A CN 1746498A
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Abstract
An inflator is of functions of inflating and inspiration. To one end of the cylinder installs a secondary air channel and the primary air channel. One port on the inflating part is connected the air channel and the other port is connected to outside. The cylinder can wheel around the first position and the second position, so the port is connected either to the primary air channel or the secondary air channel for inflation or inspiration. Between the cylinder and the inflating part installs an orientation device, which orientate the position of the port to the channel when the cylinder wheel between the first and the second position.
Description
Technical field
The present invention relates to a kind of pump, particularly a kind of tool is inflated and the pump of getter action.
Background technique
Along with development of science and technology and progress, people to the requirement of things also from the old thinking of " can with all right ", become quite fine and smooth, have the conception of continuous progress or innovation only, produce new form to improve the surcharge of product, and effectively reduce cost, could under the test of Market competition, survive.
In U.S. Pat 6422832, the outer rim of cylinder is provided with the pedestal that a steam outlet pipe, a sucking pipe and are connected in steam outlet pipe and sucking pipe, and a control piece is hubbed at pedestal.Make flexible pipe optionally be communicated in steam outlet pipe or sucking pipe by rotation controling piece, pump is had inflate and air-breathing function.Right this steam outlet pipe and sucking pipe the volume that has increased pump is set, and two ends of steam outlet pipe and sucking pipe all need be provided with one-way valve, have significantly improved the cost expenditure that produces.And it is by the left and right sides pivot pendulum of control piece, to change inflating or getter action and impracticable of pump, because the left and right sides pivot pendulum of control piece can have influence on the placement location of pump.And do not have position structure between control piece and pedestal, the location that control piece can't be certain.Importantly, this structure kenel is not suitable for portable mini inflating pump, because the volume of pump is excessive.The many disadvantages that this known pump is derived has in fact and is researched and developed the necessity that improves.
Summary of the invention
The purpose of this invention is to provide that a kind of tool is inflated and the pump of getter action, with solve above-mentioned of the prior art " steam outlet pipe and sucking pipe the volume that has increased pump is set; significantly improved the cost expenditure that produces, and and be not suitable for portable mini inflating pump " problem.
A kind of tool provided by the present invention is inflated and the pump of getter action, one end of its cylinder is provided with one second air flue and first air flue, and be hubbed at cylinder the filling part be provided with two holes corresponding to above-mentioned air flue, the one hole is communicated in filling device, another hole is communicated in the external world.This cylinder can rotate between the primary importance and the second place, makes its hole that is communicated in filling device optionally corresponding to second air flue or first air flue, and pump can be inflated or air-breathing operation.And be provided with a location device between its cylinder and filling part, when cylinder is rotated between the primary importance and the second place, this positioning device can with cylinder certain be positioned the filling part, structural design is quite reliable, practical.
By following detailed description of the invention in conjunction with the accompanying drawings, can make above and other objects of the present invention, advantage and characteristics become clearer.
Need to prove that the preferred embodiment of the following stated only supplies the usefulness of explanation, and does not limit scope of the present invention.
Description of drawings
Fig. 1 is a three-dimensional combination figure of the present invention;
Fig. 2 is a three-dimensional exploded view of the present invention;
Fig. 3 is the A-A sectional view of Fig. 1;
Fig. 4 is the B-B sectional view of Fig. 1;
Fig. 5 inflates the sectional view of state for the present invention, and the gas of off-balancesheet circle is entered in the cylinder by second air flue;
Fig. 6 inflates the sectional view of state for the present invention, and the gas in the table cylinder is entered in the balloon by first air flue;
Fig. 7 is the sectional view of suction condition of the present invention, and the gas in the table balloon is entered in the cylinder by second air flue;
Fig. 8 is the sectional view of suction condition of the present invention, and the gas in the table cylinder is discharged in the external world by first air flue;
Fig. 9 A is the sectional view of second embodiment of the invention;
Fig. 9 B is the C-C sectional view of Fig. 9 A;
Figure 10 is the sectional view of second embodiment of the invention suction condition, and the gas in the table balloon is entered in the cylinder by second air flue;
Figure 11 is the sectional view of second embodiment of the invention suction condition, and the gas in the table cylinder enters front end by the rear end of single acting piston;
Figure 12 is the sectional view of second embodiment of the invention suction condition, and the gas in the table cylinder is discharged in the external world by first air flue;
Figure 13 inflates the sectional view of state for second embodiment of the invention, and the gas of off-balancesheet circle is entered in the cylinder by second air flue;
Figure 14 inflates the sectional view of state for second embodiment of the invention, and the gas in the table cylinder enters front end by the rear end of single acting piston;
Figure 15 inflates the sectional view of state for second embodiment of the invention, and the gas in the table cylinder is entered in the balloon by first air flue;
Figure 16 A is the sectional view of third embodiment of the invention;
Figure 16 B is the D-D sectional view of Figure 16 A;
Figure 17 is the sectional view of fourth embodiment of the invention suction condition;
Figure 18 inflates the sectional view of state for fourth embodiment of the invention;
Figure 19 is the three-dimensional exploded view of fifth embodiment of the invention;
Figure 20 is the sectional view of fifth embodiment of the invention;
Figure 21 is the sectional view of fifth embodiment of the invention suction condition, and table gas is entered in the cylinder by second air flue;
Figure 22 is the sectional view of fifth embodiment of the invention suction condition, and the gas in the table cylinder is discharged in the external world by first air flue;
Figure 23 inflates the sectional view of state for fifth embodiment of the invention, and the gas of off-balancesheet circle is entered in the cylinder by second air flue;
Figure 24 inflates the sectional view of state for fifth embodiment of the invention, and the gas in the table cylinder is discharged by first air flue;
Figure 25 is the sectional view of sixth embodiment of the invention;
Figure 26 is the suction condition sectional view of sixth embodiment of the invention, and table gas is entered in the cylinder by first air flue;
Figure 27 is the suction condition sectional view of sixth embodiment of the invention, and the gas in the table cylinder is discharged in the external world by second air flue.
Description of reference numerals: 1 pump; 10 cylinders; 11 spaces; 111 one-way valves; 12 first air flues; 121 one-way valves; 122 O type rings; 13 second air flues; 131 one-way valves; 132 O type rings; 14 grooves; 15 depressions; 16 second spaces; 17 holes; 20 traverse member; 21 piston rods; 22 pistons; 23 lids; 24 single acting pistons; 30 filling parts; 31 spaces; 32 filling devices; 33 spanners; 34 lids; 35 spaces; 351 holes; 352 holes; 36 grooves; 37 holes; 38 positioning devices; 381 elastomers; 382 steel balls; 39C shape button; 30 ' filling part; 32 ' filling device; 321 ' flexible pipe; 322 ' wind fairing head; 40 valve bodies; 41 second air flues; 411 one-way valves; 412O type ring; 42 first air flues; 421 O type rings; 43 O type rings; 44 grooves; 441 one-way valves; 45 depressions; 50 balloons.
Embodiment
With reference to Fig. 1, first embodiment according to the invention, this tool is inflated and the pump 1 of getter action has and inflates and air-breathing function.
With reference to Fig. 2 and Fig. 3, this tool is inflated and the pump of getter action includes a cylinder 10, a traverse member 20 and a filling part 30.Traverse member 20 is located at an end of cylinder 10, can produce to-and-fro motion with cylinder 10.One filling part 30 is hubbed at the end in addition of cylinder 10, can produce relative rotation relation with cylinder 10.
The lid 23 of traverse member 20 is second end that is incorporated into cylinder 10, and its piston 22 of being located on the piston rod 21 is located in the space 11 of cylinder 10.End outside these traverse member 20 protruding being exposed to is available for users to operation, produces relative displacement relation with interlock traverse member 20 and cylinder 10.
Filling part 30 includes first end and second end, its first end laterally is provided with a space 31, this space 31 is ccontaining for a filling device 32, this filling device 32 is embodied as the tuyere of applicable different valves in this preferred embodiment, one side in space 31 is pivoted with a spanner 33, and side has screwed togather a lid 34 in addition.Its second end vertically is provided with a space 35, and this space 35 is provided with two holes 351,352 that are communicated in space 31, and the lateral margin in space 35 is equipped with a groove 36 and two holes 37.This two hole 37 is ccontaining for a location device 38, and this positioning device 38 is made of an elastomer 381 and a steel ball 382.First end of the space 35 steam supply cylinders 10 of these filling part 30 second ends is ccontaining, and C shape button 39 is located at 14 of the grooves of the groove 14 of filling part 30 and cylinder 10, make filling part 30 be hubbed at first end of cylinder 10, and make filling part 30 produce relative pivot pendulum relation with cylinder 10.
With reference to Fig. 4, be the 4-4 sectional view of Fig. 1.The steel ball 382 of demonstration positioning device 38 is subjected to the butted of elastomer 381 and is fastened in the depression 15 of cylinder 10 first end outer rims, when cylinder 10 is rotated between the primary importance and the second place, is fastened first end that is positioned at filling part 30.
With reference to Fig. 5, show that pump 1 is in when inflating state, this cylinder 10 is positioned at primary importance, and the filling device 32 in this filling part 30 is positioned at first air flue, 12 1 sides of cylinder 10 relatively.When the user spurred traverse member 20 outside cylinder 10, extraneous gas can be pushed the one-way valve 131 in second air flue 13 open and enter in the space 11 of cylinder 10.
With reference to Fig. 6, show when the user promotes traverse member 20 in cylinder 10, piston 22 on the piston rod 21 can be pushed the gas in the space 11, makes gas push the one-way valve 121 in first air flue 12 open and enter in the filling device 32 of filling part 30, and then gas is squeezed in the balloon 50.So repeatable operation can be squeezed into gas in the balloon 50 fast.
When if user's desire uses pump air-breathing, rotatable cylinder 10 makes the filling device 32 in the filling part 30 be positioned at second air flue, 13 1 sides of cylinder 10 relatively, with reference to Fig. 7, show when pump 1 is in suction condition, this cylinder 10 is to be positioned at the second place, when the user spurred traverse member 20 outside cylinder 10, the gas in the balloon 50 can be pushed the one-way valve 131 in second air flue 13 open and enter in the space 11 of cylinder 10.With reference to Fig. 8, show that when the user promotes traverse member 20 to cylinder 10 in the time piston 22 on the piston rod 21 can be pushed the interior gas in space 11, make gas push first air flue, 12 interior one-way valves 121 open and gas is discharged in the external world through filling part 30.So repeatable operation can be got rid of the gas in the balloon 50 fast.
Fig. 9 A and Fig. 9 B show second embodiment of the present invention.Second embodiment is identical with first embodiment, is provided with a hole 17 that is communicated in space 11 except having additional two or two spaces 16, second space 16, that are communicated in second air flue 13 in the cylinder 10.And 11 end and 17 places, hole are provided with an one-way valve 111 in the space, to prevent in gas backstreaming to the second space 16 in the space 11.And piston 22 changed be made as single acting piston 24, this single acting piston 24 is a known technology, does not repeat them here.This cylinder 10 is made of solid memder in this preferred embodiment.
With reference to Figure 10, show that this cylinder 10 was positioned at the second place when pump 1 was in suction condition.The user is connected balloon 50 when the pump 1, and the gases in the balloon 50 can flow in second space 16 of cylinder 10.When the user promoted traverse member 20 in cylinder 10, the gas in second space 16 can be pushed the one-way valve 111 in the space 11 open and enter in the space 11 of cylinder 10.
With reference to Figure 11, gas in the display space 11 is subjected to the block of one-way valve 111 and can't be back in second space 16, the traverse member 20 of pump 1 is spurred outside cylinder 10, can force the gas stream that is positioned at piston 24 rear ends front end, because piston 24 is single acting pistons to piston 24.
With reference to Figure 12, show that when the user promotes traverse member 20 once more to cylinder 10 in the piston 24 on the piston rod 21 can be pushed the interior gas in space 11, make gas push first air flue, 12 interior one-way valves 121 open and gas is discharged in the external world through filling part 30.And the gas in second space 16 can be pushed the one-way valve 111 in the space 11 open and enter in the space 11 of cylinder 10.So repeatable operation can be got rid of the gas in the balloon 50 fast.
When if user's desire uses pump air-breathing, rotatable cylinder 10 makes the filling device 32 in the filling part 30 be positioned at first air flue, 12 1 sides of cylinder 10 relatively, with reference to Figure 13, shows that pump 1 is in when inflating state, and this cylinder 10 is positioned at primary importance.Owing to be not provided with one-way valve in this second air flue 13, extraneous gas can flow in second space 16.When the user promoted traverse member 20 in cylinder 10, the gas in second space 16 can be pushed the one-way valve 111 in the space 11 open and enter in the space 11 of cylinder 10.
With reference to Figure 14, gas in the display space 11 is subjected to the block of one-way valve 111 and can't be back in second space 16, the traverse member 20 of pump 1 is spurred outside cylinder 10, can force the gas stream that is positioned at piston 24 rear ends front end, because piston 24 is single acting pistons to piston 24.
With reference to Figure 15, show when the user promotes traverse member 20 once more in cylinder 10, piston 24 on the piston rod 21 can be pushed the gas in the space 11, makes gas push the one-way valve 121 in first air flue 12 open and enter in the filling device 32 of filling part 30, and then gas is squeezed in the balloon 50.So repeatable operation can be squeezed into gas in the balloon 50 fast.
Figure 16 A and Figure 16 B show the 3rd embodiment of the present invention.The 3rd embodiment is identical with second embodiment, constitutes except cylinder 10 changes by two pipes, and forms the kenel that pipe is arranged in the pipe.
Figure 17 and Figure 18 show the 4th embodiment of the present invention.The 4th embodiment is identical with second embodiment, except filling part 30 ' and filling device 32 ' kenel on change.This filling part 30 ' be embodied as a base, and can be placed in ground.This filling device 32 ' be embodied as a termination be located at the flexible pipe 321 in hole 351 ', this flexible pipe 321 ' an end and be provided with a wind fairing head 322 ', make the gas in the hole 351 can be through flexible pipe 321 ' and by wind fairing head 322 ' discharge.
Please refer to Figure 19 and Figure 20, show the 5th embodiment of the present invention.And the 5th embodiment is identical with first embodiment, and it is one to run through tubular that difference is in cylinder 10, and sets up a valve body 40 again.This cylinder 10 includes first end and second end, is provided with the space 11 of perforation first end and second end in it.These filling part 30 mat grooves 36 are hubbed at first end of cylinder 10, and make filling part 30 produce relative pivot pendulum relation with cylinder 10.
This valve body 40 is arranged between cylinder 10 and the filling part 30, and maintains gap existence with cylinder 10.Be provided with one first air flue 41 and one second air flue 42 in this valve body 40.Be provided with an one-way valve 411 in this first air flue 41, and be communicated in 10 spaces 11 of this cylinder.This second air flue 42 is the periphery that is communicated in valve body 40 from an end of valve body 40.An end of 10 is respectively equipped with an O type ring 412,421 in valve body 40 in contrast to cylinder for this first air flue 41 and second air flue 42, to prevent gas leakage.
This valve body 40 is provided with an O type ring 43, a groove 44 and two depressions 45 corresponding to air flue in periphery ring.These valve body 40 mat O type rings 43 and with cylinder 10 driving fits, preventing gas leakage, and can produce relative rotation relation with filling part 30 by the drive of cylinder 10.This valve body 40 is equiped with an one-way valve 441 on groove 44, and one-way valve 441 and cylinder 10 are in contact with one another.This groove 45 can fix the location for the positioning device in the filling part 30 38, moves between the primary importance or the second place so that cylinder 10 can drive valve body 40.
With reference to Figure 21, show that this cylinder 10 was positioned at primary importance when pump 1 was in suction condition, the filling device 32 in this filling part 30 is positioned at first air flue, 41 1 sides of valve body 40 relatively.When the user spurred traverse member 20 outside cylinder 10, the gas in the filling device 32 can be pushed the one-way valve 411 in first air flue 41 open and enter in the space 11 of cylinder 10.
With reference to Figure 22, show that when the user promotes traverse member 20 in cylinder 10 time piston 22 on the piston rod 21 can be pushed the interior gas in space 11, make gas push one-way valve 441 between valve body 40 and the cylinder 10 open, and gas is discharged in the external world through spanner 33.Like this repeatable operation is promptly sustainablely carried out air-breathing action.
With reference to Figure 23, show that pump 1 is in when inflating state, this cylinder 10 is positioned at the second place, and the filling device 32 in this filling part 30 is positioned at second air flue, 42 1 sides of valve body 40 relatively.When the user spurred traverse member 20 outside cylinder 10, extraneous gas can be pushed the one-way valve 411 in first air flue 41 open and enter in the space 11 of cylinder 10.
With reference to Figure 24, show that when the user promotes traverse member 20 in cylinder 10 time piston 22 on the piston rod 21 can be pushed the interior gas in space 11, make gas push one-way valve 441 between valve body 40 and the cylinder 10 open, and enter in the filling device 32 of filling part 30.Like this repeatable operation promptly sustainable is inflated action.
Please refer to Figure 25, be the 6th preferred embodiment of the present invention.And the 6th embodiment is identical with aforementioned the 5th embodiment, and difference is in the set direction difference of one-way valve 441 of one-way valve 411 in first air flue 41 and valve body 40 peripheries.And the design of the one-way valve 411,441 of different direction by this, pump 1 still can obtain one and inflate and air-breathing effect.
Please refer to Figure 26, show that pump 1 is in suction condition, this cylinder 10 is positioned at primary importance, and the filling device 32 in this filling part 30 is positioned at second air flue, 42 1 sides of valve body 40 relatively.When the user spurred traverse member 20 outside cylinder 10, the gas in the filling device 32 can be pushed the one-way valve 441 between valve body 40 and the cylinder 10 open, and enters in the space 11 of cylinder 10.
Please refer to Figure 27, show when the user promotes traverse member 20 in cylinder 10 time, the piston 22 on the piston rod 21 can be pushed the interior gas in space 11, makes gas push the one-way valve 411 of first air flue 41 open, and through spanner 33 gas is discharged in the external world.Like this repeatable operation is promptly sustainablely carried out air-breathing action.In like manner, if being gone to the second place, cylinder 10 then can inflate action.
Can summarize the present invention with regard to the above and have following advantage:
1, an end of the cylinder of " tool is inflated and the pump of getter action " of the present invention is provided with one second air flue and first air flue, and be hubbed at cylinder the filling part be provided with two holes corresponding to above-mentioned air flue, the one hole is communicated in filling device, and another hole is communicated in the external world.This cylinder can rotate between the primary importance and the second place, makes its hole that is communicated in filling device optionally corresponding to second air flue or first air flue, and pump can be inflated or air-breathing operation.
2, be provided with a location device between the cylinder of " tool is inflated and the pump of getter action " of the present invention and filling device, when cylinder (filling part) is rotated between the primary importance and the second place, this positioning device can with cylinder certain be positioned the filling part, structural design is quite reliable, practical.
The above only is preferred embodiment of the present invention, can not limit scope of the invention process with this, the therefore change of all numerical value or the displacement of equivalent elements, or, all should still belong to protection scope of the present invention according to equalization variation and modification that claim of the present invention is done.
Claims (10)
1, a kind of tool is inflated and the pump of getter action, comprising:
One cylinder includes first end and second end, is provided with one in it by the open space of second end, and this first end is provided with one first air flue and one second air flue, is respectively equipped with an one-way valve in this first air flue and second air flue, and is communicated in the space;
One traverse member includes the piston that a bar and is located at bar, and this piston is located in the space of cylinder, and the partly protruding cylinder that is exposed to of this bar is available for users to operation outward;
One filling part, it is hubbed at first end of cylinder, and produces relative rotation relation with cylinder, is provided with a filling device and two holes corresponding to above-mentioned air flue in it, and the one hole is communicated in filling device, and another hole is communicated in the external world;
By this, this cylinder can rotate between the primary importance and the second place, makes its second air flue or first air flue optionally corresponding to the hole that is communicated in filling device in the filling part, and pump can be inflated or air-breathing operation.
2, a kind of tool is inflated and the pump of getter action, comprising:
One cylinder, comprise first end and second end, be provided with second space that one first space and is communicated in first space in it, and between this two space, be provided with an one-way valve, this first end is provided with one first air flue and one second air flue, is provided with an one-way valve in this first air flue;
One traverse member comprises that a bar and is located at the single acting piston of bar, and this piston is located in first space of cylinder, and this bar is partly protruding, and to be exposed to cylinder outer and be available for users to operation;
One filling part is hubbed at first end of cylinder, produces relative rotation relation with cylinder, is provided with a filling device and two holes corresponding to above-mentioned air flue in it, and the one hole is communicated in filling device, and another hole is communicated in the external world;
By this, this cylinder can rotate between the primary importance and the second place, makes second air flue or first air flue optionally corresponding to the hole that is communicated in filling device in the filling part, and pump can be inflated or air-breathing operation.
3, a kind of tool is inflated and the pump of getter action, comprising:
One cylinder includes first end and second end, is provided with the space of perforation first end and second end in it;
One traverse member includes the piston that a bar and is located at bar, and this piston is located in the space of cylinder, and this bar is partly protruding to be exposed to second end of cylinder and to be available for users to operation;
One filling part is hubbed at first end of cylinder, produces relative rotation relation with cylinder, is provided with a filling device and two holes in it, and the one hole is communicated in filling device, and another hole is communicated in the external world;
One valve body, be arranged between cylinder and the filling part, can produce relative rotation relation with the filling part by the drive of cylinder, be provided with first air flue and second air flue in the valve body corresponding to aforementioned two holes, be provided with an one-way valve in this first air flue, and being communicated in the space, this second air flue system is communicated in the valve body periphery from valve body one end, and the valve body periphery is provided with an one-way valve;
By this, this cylinder can rotate between the primary importance and the second place, makes first air flue of valve body or second air flue optionally corresponding to the hole that is communicated in filling device in the filling part, and pump can be inflated or air-breathing operation.
4, inflate as claim 1,2 or 3 described tools and the pump of getter action, wherein be provided with a location device in this filling part, can make cylinder alignment in the primary importance or the second place.
5, tool as claimed in claim 4 is inflated and the pump of getter action, and wherein this positioning device comprises an elastomer and a steel ball.
6, tool as claimed in claim 1 or 2 is inflated and the pump of getter action, wherein the outer rim of this cylinder first end is provided with a groove, one end inner edge of this filling part is provided with a groove, C shape button can be established between above-mentioned two grooves, makes the filling part be hubbed at first end of cylinder.
7, tool as claimed in claim 3 is inflated and the pump of getter action, wherein the periphery ring of this valve body is provided with an O type ring, this valve body mat O type ring and with the cylinder driving fit, preventing gas leakage, and can produce relative rotation relation with the filling part by the drive of cylinder.
8, inflate as claim 1,2 or 3 described tools and the pump of getter action, wherein first end of this filling part laterally is provided with a space, and this space is ccontaining for a filling device, and a side in space is pivoted with a spanner, and side has screwed togather a lid in addition.
9, inflate as claim 1,2 or 3 described tools and the pump of getter action, wherein second end of this filling part vertically is provided with a space, and this space is that first end of steam supply cylinder is ccontaining, is provided with two holes corresponding to first air flue and second air flue in this space.
10, inflate as claim 1,2 or 3 described tools and the pump of getter action, wherein the hole of this air flue and filling part between be provided with an O type ring, to prevent gas leakage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100743284A CN100351518C (en) | 2004-09-09 | 2004-09-09 | Gas pump with inflation and aspiration functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100743284A CN100351518C (en) | 2004-09-09 | 2004-09-09 | Gas pump with inflation and aspiration functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1746498A true CN1746498A (en) | 2006-03-15 |
| CN100351518C CN100351518C (en) | 2007-11-28 |
Family
ID=36166161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100743284A Expired - Fee Related CN100351518C (en) | 2004-09-09 | 2004-09-09 | Gas pump with inflation and aspiration functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100351518C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932242A (en) * | 2017-04-17 | 2017-07-07 | 江苏炯测环保技术有限公司 | A kind of air acquisition syringe with slow-release function |
| CN110529358A (en) * | 2019-09-24 | 2019-12-03 | 天津一安生物技术有限公司 | Pressurize decompression two-purpose inflator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3904326A (en) * | 1971-05-14 | 1975-09-09 | Phoenix Pump Company | Multi-purpose pump |
| US6299420B1 (en) * | 2000-04-06 | 2001-10-09 | Intex Recreation Corp. | Dual action air pump |
| CN2418033Y (en) * | 2000-04-19 | 2001-02-07 | 王罗平 | Improve structure of head of hand-held inflator |
| CN2466381Y (en) * | 2001-03-09 | 2001-12-19 | 王罗平 | Inflator structure capable of switching between inflating and pumping out |
| TW591172B (en) * | 2003-02-19 | 2004-06-11 | Shu-Mu Wu | Air pump capable of pumping air and drawing air |
-
2004
- 2004-09-09 CN CNB2004100743284A patent/CN100351518C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932242A (en) * | 2017-04-17 | 2017-07-07 | 江苏炯测环保技术有限公司 | A kind of air acquisition syringe with slow-release function |
| CN110529358A (en) * | 2019-09-24 | 2019-12-03 | 天津一安生物技术有限公司 | Pressurize decompression two-purpose inflator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100351518C (en) | 2007-11-28 |
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