CN202645922U - Dual-use air pump with functions of air filling and air exhausting manually - Google Patents
Dual-use air pump with functions of air filling and air exhausting manually Download PDFInfo
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- CN202645922U CN202645922U CN 201220295054 CN201220295054U CN202645922U CN 202645922 U CN202645922 U CN 202645922U CN 201220295054 CN201220295054 CN 201220295054 CN 201220295054 U CN201220295054 U CN 201220295054U CN 202645922 U CN202645922 U CN 202645922U
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Abstract
Provided is a dual-use air pump with functions of air filling and air exhausting manually. The dual-use air pump with the functions of the air filling and the air exhausting manually comprises a cylinder body, a piston is arranged in the cylinder body, the piston is connected with a piston rod, the lower portion of the piston rod penetrates through the rear end of the cylinder body, the front end of the cylinder body is closed, the inside of the piston rod is divided into an air filling channel and an air exhausting channel, the lower end of the air filling channel is connected with an air filling opening which is arranged at the lower end of the piston rod, the lower end of the air exhausting channel is connected with an air exhausting opening which is arranged at the lower end of the piston rod, an air outlet channel which is used for communicating a high-pressure air chamber with the air filling channel is arranged inside the piston, the piston is also provided with an air inlet channel which is communicated with the air exhausting channel, the air inlet channel is provided with air outlet holes which are respectively arranged on the upper surface of the piston and the lower surface of the piston, each of two air outlet holes is provided with a first one-way valve and a second one-way valve, and the air outlet holes on the upper surface of the piston and the lower surface of the piston are respectively air inlet holes of an upper air chamber and a lower air chamber of the piston. The dual-use air pump with the functions of the air filling and the air exhausting manually has the functions of the air filling and the air exhausting, and efficiency of the air filling and the air exhausting is high. In addition, the dual-use air pump with the functions of the air filling and the air exhausting manually is simple in structure, low in cost and convenient to popularize and use.
Description
Technical field
The utility model relates to air pump, relates in particular to a kind of manual inflation dual-purpose air pump of bleeding.
Background technique
Inflatable product is used by increasing people gradually now.Be in, such as air mattress miscellaneous, inflated sofa, Gas-filled chair, sealed article storing bag (bleeding), inflatable toys etc.; The open air, various inflatable dinghies, the outdoor travel person moistureproof cushion of usefulness etc. of sleeping.Inflatable product must be inflated in use, and some products also must be exitted when not using, be bled.
When using inflatable product, the efficient of inflatable product there is sizable requirement, the products of a large amount of inflations of this needs of especially similar rubber dinghy.The gas-filled pump for inflatable product mainly contains two classes on the market now: a class is electronic, and it is only suitable for family usefulness, subsidiary air extracting function, but it is expensive, in the time of use power supply must be arranged, and has larger narrow limitation, can not use whenever and wherever possible.Another kind of is manual, and it is fit to outdoor, also be fit to family usefulness, but it is not with air extracting function, and common inflation air pump charging efficiency is low.For the user who uses hand air pump, it is with aerification function, many times can make troubles to the user.After rowing the boat out of doors, exit and take back, as not have extraction pump, the very difficult gas that the gas ship is interior is put dried, owing to have gas expanding, very difficult with walking; After and for example the outdoor travel person sleeps at night and used moistureproof cushion, tidy up air cushion and prepare the packing walking, but can not exit fully because of air cushion so that knapsack all can not load etc.
Summary of the invention
For the problems referred to above, the utility model provides a kind of have inflation and air extracting function, the manual inflation that volume simple in structure the is little dual-purpose air pump of bleeding.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of manual inflation dual-purpose air pump of bleeding, comprise cylindrical shell, in this cylindrical shell piston is installed, this piston is connected with piston rod, and the bottom of this piston rod passes the rear end of described cylindrical shell, it is characterized in that, described barrel front end sealing, described piston rod inside is divided into filling channel and bleed-off passage, and described filling channel lower end is connected with the inflation inlet that is arranged on described piston-rod lower end, and described bleed-off passage lower end is connected with the bleeding point that is arranged on described piston-rod lower end; Described internal piston is provided with for the outlet passageway that is communicated with plenum chamber and filling channel, described piston also is provided with the gas-entered passageway that is communicated with described bleed-off passage, this gas-entered passageway is provided with the air outlet hole that lays respectively at described piston upper surface and lower surface, is respectively arranged with the first one-way valve and the second one-way valve on these two air outlet holes; The air outlet hole of piston upper surface and lower surface is respectively the inlet hole of piston upper and lower part air chamber.
The side of described piston is provided with annular ditch groove, and the inlet hole of the outlet passageway that arranges in the described piston is positioned at described annular ditch groove, opens the sealing rubber ring of described inlet hole when being set with the described piston rod of pulling in this annular ditch groove; Wherein the inlet hole of outlet passageway is the air outlet hole of described piston upper and lower part air chamber.
The end of described piston rod is provided with pedal, and described barrel front end is equipped with handle.
Good effect of the present utility model:
The function that this model utility has inflation and bleeds.When inflation, inflation inlet is connected with the device that will inflate.The pressurized gas gas in the jar, sealing rubber ring moves along the direction opposite with compression direction, opens the inlet hole of outlet passageway, and outlet passageway is communicated with plenum chamber with filling channel, and pressurized gas is filled with the device that will inflate by gas-entered passageway and filling channel; Sealing rubber ring is lived annular ditch groove and the gap plugging between the negative pressure chamber that piston arranges, and the first one-way valve blocks the air outlet hole that outlet passageway is positioned at piston upper surface, realizes the sealing of plenum chamber; An other side air chamber relative with plenum chamber is negative pressure chamber, ambient atmos enters bleed-off passage by bleeding point, then enter with piston that bleed-off passage is communicated with in outlet passageway, under suction function, be positioned at the one-way valve opens of negative pressure chamber side on the piston, ambient atmos enters negative pressure chamber, until negative pressure chamber air pressure reaches and the ambient pressure balance.So constantly the ambient atmos compression is filled with the device that will inflate.Pumping process is the same with gas replenishment process, and only bleeding point is connected with the device that need to bleed, and the gas in the device that needs are bled is discharged by inflation inlet.
The device of this model utility has inflation and the function of bleeding simultaneously, and inflation, pumping efficiency are high, and apparatus structure is simple in addition, and cost is low, is convenient to promote the use of.
Ride during use on pedal, pull handle, use both hands and feet and improve charging efficiency and convenient the use.
Description of drawings
Fig. 1 is for manually inflating the structural representation of the dual-purpose air pump of bleeding;
Fig. 2 is the structural representation of piston 2.
Embodiment
Below in conjunction with specific embodiment the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of manual inflation dual-purpose air pump of bleeding, comprise cylindrical shell 1, in this cylindrical shell 1 piston 2 is installed, this piston 2 is connected with piston rod 3, and the bottom of this piston rod 3 passes the rear end of described cylindrical shell 1, described cylindrical shell 1 front end sealing, described piston rod 3 inside are divided into filling channel 11 and bleed-off passage 12, and described filling channel 11 lower ends are connected with the inflation inlet 4 that is arranged on described piston rod 3 lower ends, and described bleed-off passage 12 lower ends are connected with the bleeding point 5 that is arranged on described piston rod 3 lower ends;
Described piston 2 inside are provided with the outlet passageway 13 that is communicated with described filling channel 11, side at piston 2 is provided with annular ditch groove, this outlet passageway 13 is provided with the inlet hole that is positioned at described annular ditch groove, this inlet hole is the air outlet hole of piston 2 upper and lower part air chambers, is set with sealing rubber ring 10 in this annular ditch groove; Piston 2 also is provided with the outlet passageway 14 that is communicated with described bleed-off passage 12, this outlet passageway 14 is provided with the air outlet hole that lays respectively at described piston 2 upper surfaces and lower surface, be respectively arranged with the first one-way valve 6 and the second one-way valve 7 on these two air outlet holes, the air outlet hole of these piston 2 upper surfaces and lower surface setting is respectively the inlet hole of piston upper and lower part air chamber.
When inflation, inflation inlet 4 is connected with the device that will inflate, gas in the compression cylindrical shell 1, as shown in Figure 1, for example press down piston 2, piston 2 upper spaces are plenum chamber, piston 2 lower space are negative pressure chamber, sealing rubber ring 10 moving direction are opposite with the moving direction of piston 2, plenum chamber is communicated with outlet passageway 13, sealing rubber ring 10 is lived annular ditch groove and the gap plugging between the negative pressure chamber that piston 2 arranges simultaneously, because the effect of the first one-way valve 6, the air outlet hole that gas-entered passageway 14 is positioned at piston 2 upper surfaces is blocked.Gas in the plenum chamber is compressed gradually, and the gas in the air pressure within the air pressure in the plenum chamber is higher than the device that will inflate, plenum chamber is filled with the device that will inflate by gas-entered passageway 13, filling channel 11 successively; If the interior air pressure of device that the air pressure in the plenum chamber is lower than or equals to inflate then continues the gas compression in the plenum chamber just can be filled with the device that will inflate.
When the compression piston upper gas, the bottom air chamber of piston 2 is negative pressure chamber.Because the air pressure in the negative pressure chamber is lower than extraneous air pressure, the second one-way valve 7 is opened under suction function, ambient atmos enters negative pressure chamber by the gas-entered passageway 14 that arranges in bleeding point 5, bleed-off passage 12 and the piston successively, air pressure and extraneous balance in the final negative pressure chamber.
In the time of drop-down piston rod 3, reached with ambient pressure counter-balanced negative pressure chamber in gas compressed, the negative pressure chamber of piston 2 bottoms is plenum chamber at this moment, the plenum chamber on piston 2 tops has become negative pressure chamber, its principle is identical with compression piston top air chamber with working procedure, realized that thus each pulling piston rod 3 can both inflate, charging efficiency is high.
When bleeding, bleeding point 5 is connected with the device of wanting gas bleeding, working principle is identical with gas replenishment process with process, and just bleeding point 5 is connected with the device that will bleed, and the gas in the device that needs are bled passes through inflation inlet 4 discharges.
Ride during use on pedal 8, pull handle 9, use both hands and feet and improve charging efficiency and convenient the use.
Above-described embodiment of the present utility model only is to be explanation the utility model example, and is not to be restriction to mode of execution of the present utility model.For those of ordinary skill in the field, can also make on the basis of the above description other multi-form variation and changes.Here can't give all mode of executions exhaustive.Everyly belong to the row that apparent variation that the technical solution of the utility model amplifies out or change still are in protection domain of the present utility model.
Claims (3)
1. manually inflate the dual-purpose air pump of bleeding for one kind, comprise cylindrical shell (1), piston (2) is installed in this cylindrical shell (1), this piston (2) is connected with piston rod (3), the bottom of this piston rod (3) passes the rear end of described cylindrical shell (1), it is characterized in that, the sealing of described cylindrical shell (1) front end, described piston rod (3) inside is divided into filling channel (11) and bleed-off passage (12), described filling channel (11) lower end is connected with the inflation inlet (4) that is arranged on described piston rod (3) lower end, and described bleed-off passage (12) lower end is connected with the bleeding point (5) that is arranged on described piston rod (3) lower end; Described piston (2) inside is provided with for the outlet passageway (13) that is communicated with plenum chamber and filling channel (11), described piston (2) also is provided with the gas-entered passageway (14) that is communicated with described bleed-off passage (12), this gas-entered passageway (14) is provided with the air outlet hole that lays respectively at described piston (2) upper surface and lower surface, is respectively arranged with the first one-way valve (6) and the second one-way valve (7) on these two air outlet holes.
2. the described manual inflation dual-purpose air pump of bleeding according to claim 1, it is characterized in that, the side of described piston (2) is provided with annular ditch groove, the inlet hole of the outlet passageway (13) that arranges in the described piston (2) is positioned at described annular ditch groove, opens the sealing rubber ring (10) of described inlet hole when being set with the described piston rod of pulling (3) in this annular ditch groove.
3. the described manual inflation dual-purpose air pump of bleeding according to claim 2 is characterized in that, the end of described piston rod (3) is provided with pedal (8), and described cylindrical shell (1) front end is equipped with handle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295054 CN202645922U (en) | 2012-06-21 | 2012-06-21 | Dual-use air pump with functions of air filling and air exhausting manually |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220295054 CN202645922U (en) | 2012-06-21 | 2012-06-21 | Dual-use air pump with functions of air filling and air exhausting manually |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202645922U true CN202645922U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220295054 Expired - Fee Related CN202645922U (en) | 2012-06-21 | 2012-06-21 | Dual-use air pump with functions of air filling and air exhausting manually |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202645922U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629071A (en) * | 2013-11-27 | 2014-03-12 | 李梦锡 | Method for manufacturing wind box |
| CN104884101A (en) * | 2013-01-03 | 2015-09-02 | 凯希特许有限公司 | Recharging negative-pressure wound therapy |
| CN106730869A (en) * | 2016-12-28 | 2017-05-31 | 郑州市卧龙游乐设备有限公司 | A kind of air duct automatic switching device |
| CN107228063A (en) * | 2017-08-09 | 2017-10-03 | 赵洪超 | A kind of inflatable hand-held air pump of air-breathing dual-purpose type |
| CN112855492A (en) * | 2021-03-30 | 2021-05-28 | 淮安国润电气有限公司 | Built-in hand power pump |
| CN112983779A (en) * | 2021-03-30 | 2021-06-18 | 淮安国润电气有限公司 | Air bag with built-in hand-pulling pump |
| CN114544111A (en) * | 2022-04-21 | 2022-05-27 | 深圳市星芯顶科技有限公司 | Testing device for communication cable |
| WO2024098884A1 (en) * | 2022-11-07 | 2024-05-16 | 珠海格力电器股份有限公司 | Air pump |
-
2012
- 2012-06-21 CN CN 201220295054 patent/CN202645922U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104884101A (en) * | 2013-01-03 | 2015-09-02 | 凯希特许有限公司 | Recharging negative-pressure wound therapy |
| CN104884101B (en) * | 2013-01-03 | 2019-03-22 | 凯希特许有限公司 | Refill formula negative pressure wound therapy |
| CN103629071A (en) * | 2013-11-27 | 2014-03-12 | 李梦锡 | Method for manufacturing wind box |
| CN106730869A (en) * | 2016-12-28 | 2017-05-31 | 郑州市卧龙游乐设备有限公司 | A kind of air duct automatic switching device |
| CN107228063A (en) * | 2017-08-09 | 2017-10-03 | 赵洪超 | A kind of inflatable hand-held air pump of air-breathing dual-purpose type |
| CN112855492A (en) * | 2021-03-30 | 2021-05-28 | 淮安国润电气有限公司 | Built-in hand power pump |
| CN112983779A (en) * | 2021-03-30 | 2021-06-18 | 淮安国润电气有限公司 | Air bag with built-in hand-pulling pump |
| CN114544111A (en) * | 2022-04-21 | 2022-05-27 | 深圳市星芯顶科技有限公司 | Testing device for communication cable |
| WO2024098884A1 (en) * | 2022-11-07 | 2024-05-16 | 珠海格力电器股份有限公司 | Air pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20150621 |
|
| EXPY | Termination of patent right or utility model |