CN2363080Y - Hand-driving bidirectional inflation and suction pump - Google Patents
Hand-driving bidirectional inflation and suction pump Download PDFInfo
- Publication number
- CN2363080Y CN2363080Y CN 98231915 CN98231915U CN2363080Y CN 2363080 Y CN2363080 Y CN 2363080Y CN 98231915 CN98231915 CN 98231915 CN 98231915 U CN98231915 U CN 98231915U CN 2363080 Y CN2363080 Y CN 2363080Y
- Authority
- CN
- China
- Prior art keywords
- air guide
- connecting rod
- guide connecting
- air
- type circle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model relates to a hand-driving bidirectional inflation and suction pump, and is a miniature inflation and suction implement. The utility model is composed of a handle (1), an inflator body (2), an inflator lower cover (3), an air guide connecting rod O-shaped ring (4), an air guide connecting rod O-shaped ring check ring (5), a foot board (6), an air guide nozzle (7), a hose (8), an exhaust nozzle (9), an air guide connecting rod (10), a piston body (11), a U-shaped slot (12), a piston O-shaped ring (13), a middle fixing annular step (14), self air closing nozzles (15) and (18), sealing beads (16) and (19) and restoring springs (17) and (20). The utility model is characterized in that the handle can not shed from the inflator body, the piston O-shaped ring can not distort and deform, the air reverse sealing performance is good, and the utility model which can inflate and can also suck air has multiple purposes and brings convenience for users.
Description
The utility model relates to the facility that a kind of small-sized inflation is bled.
Invented a kind of manual bidirectional gas-filled pump in the recent period abroad, be fit to the inflation of gas articles for use, it has improved manyfold than the charging efficiency of the foot-operated gas-filled pump of tradition, welcome by users at home and abroad.I find that there are some drawbacks in this gas-filled pump, haves much room for improvement after using this air pump: the one, and this air pump has only aerification function, can not bleed; The 2nd, self-closing gas film sealing poor performance; The 3rd, the piston body diameter is than the diameter of the little about O type circle of inner diameter of inflator, when piston body is travelled to and fro between in the inflator, if the one side of piston head deflection inflator, O type circle also can be partial to the one side of inflator with piston body, another side is then away from cylinder inner wall, O type circle tends to skid off from the U-groove bevel of piston body, and O type circle is distorted; The 4th, air cylinder and handle are for being threaded, and firmly excessive, handle breaks away from from air cylinder easily.
The purpose of the utility model is to design a kind of handle that pulls air pump and both can inflates in container, the manual bidirectional inflation extraction pump that the gas in the container can be released again.
For this reason, the technical solution of the utility model is: this air pump by handle, air cylinder, inflator lower cover, air guide connecting rod O type circle, air guide connecting rod O type circle ring washer, foot treadle, air guide chew, flexible pipe, exhaust are chewed, air guide connecting rod, piston body, U type groove, piston O type circle, fixed in ring-shaped step, certainly hold one's breath chew, seal pearl, Returnning spring is formed, handle and air cylinder are an overall structure, make both unlikely separation.The leading edge of piston body be connected with the air cylinder inwall coincide fixed in ring-shaped step, can prevent that piston O type circle from skidding off outside the U type groove.Be equipped with the air guide connecting rod O type circle that matches with the air guide connecting rod around the center of inflator lower cover, can prevent effectively that gas from outwards losing heart from the contacting point of inflator lower cover center portion and air guide connecting rod.Chew, seal pearl, Returnning spring from holding one's breath, make the better tightness of air cylinder.Soft air-guide pipe is set to from holding one's breath chews, the gas in the container can be released.
The manual bidirectional inflation extraction pump that the utility model is released has many advantages, and the one, handle can not taken off from air cylinder, and the 2nd, piston O type circle can torsional deformation, the 3rd, the reverse good seal performance of gas, the 4th, not only inflatable but also can bleed, the many usefulness of a pump bring convenience to the user.
Fig. 1 is the utility model structural representation (sectional drawing), gas flow schematic representation when Fig. 2 upwards draws for the utility model handle.
In conjunction with Fig. 1, specifically narrate structure of the present utility model.
The utility model by handle (1), air cylinder (2), inflator lower cover (3), air guide connecting rod O type circle (4), air guide connecting rod O type circle ring washer (5), foot treadle (6), air guide chew (7), flexible pipe (8), exhaust chew (9), air guide connecting rod (10), piston body (11), U type groove (12), piston O type circle (13), fixed in ring-shaped step (14), certainly hold one's breath chew (15) with (18), seal pearl (16) and form with (20) with (19), Returnning spring (17).Air cylinder (2) is a cylindrical shape, and its upper end is an overall structure with handle (1).The lower end of air cylinder (2) and inflator lower cover (3) are for being threaded, there is a circular hole that air guide connecting rod (10) is moved up and down in the center portion of inflator lower cover (3), the air guide connecting rod O type circle ring washer (5) of one convex is installed around the hole, and air guide connecting rod O type circle ring washer (5) is built-in with the air guide connecting rod O type circle (4) that matches with air guide connecting rod (10).Piston body (11) is in the form of annular discs, is positioned at air cylinder (2), the side of piston body (11) the groove shape (12) that takes the shape of the letter U, and piston O type circle (13) tightly is placed in the U-groove bevel (12) and with air cylinder (2) inwall and matches.Ring-shaped step (14) is fixedly connected on the upper end of piston body (11) in fixed.Air guide connecting rod (10) is cylindric, and the upper end of air guide connecting rod (10) and piston body (11) are connected to integral body, and the lower end of air guide connecting rod (10) is passed inflator lower cover (3) and is threaded with foot treadle (6).Air guide is chewed (7) and is installed in that foot treadle (6) is gone up and communicates with the lower end of air guide connecting rod (10), and an end of soft air-guide pipe (8) is chewed (7) and is communicated with air guide, and the other end is chewed (9) and fixedlyed connected with exhaust.Chew the upper end that (15) are installed on air cylinder (2) from holding one's breath, and be tight connection, Returnning spring (17) with seal pearl (16) and be arranged in from holding one's breath and chew (15) inner chamber.Chew (18) from holding one's breath and be installed on inflator lower cover (3) and go up and be tight connection, Returnning spring (20) and seal pearl (19) and be arranged in oneself and hold one's breath and chew the inner chamber of (18).
Handle of the present utility model (1), air cylinder (2), inflator lower cover (3), air guide connecting rod O type circle ring washer (5), certainly hold one's breath chew (15) and (18), foot treadle (6), air guide chew (7), piston body (11), fixed in ring-shaped step (14) make of metal or duroplasts, spring (17), (20) make of metal, seal pearl (16) and (19) with metal or plastic production, piston O type circle (13), air guide connecting rod O type circle (4), flexible pipe (8), exhaust are chewed (9) and are made of flexible plastic or rubber.
Contrast Fig. 2 introduces operation working condition of the present utility model.During inflation, ride, hold handle (1) on the both sides of foot treadle (6), when up carrying, piston body (11) relatively down moves with air cylinder (2), holds one's breath certainly and chews (8) sealing automatically, piston O type circle (13) then up moves and blocks the last breach of U-groove bevel (12), stops gas up to leak.Air guide connecting rod O type circle (4) is under the effect of air guide connecting rod O type circle ring washer (5), and air guide connecting rod O type circle (4) is identical tighter with air guide connecting rod (10), has blocked gas and has down leaked along air guide connecting rod (10) surface.At this moment the gas of piston body (11) bottom under the compression of piston body (11), force gas along the passage in the U-groove bevel (12) through air guide connecting rod (10), air guide chew (7), flexible pipe (8), (9) exhaust is outward chewed in exhaust.Downwards during pressurized gas, air cylinder (11) inboard presents negative pressure condition to piston body (11), seals pearl (16) and opens automatically, the top of gas stream air inlet cylindrical shell (2).Air cylinder (2) is when down pushing, chew (15) sealing automatically from holding one's breath, piston O type circle (13) down moves and has then blocked the following breach of U-groove bevel (12), stop gas down to leak, air cylinder (2) continues toward pressing down, piston body (11) then constantly compresses the gas on air cylinder (2) top, forces gas to chew (9) through vent, air guide connecting rod (10), soft air-guide pipe (8), exhaust in the ring-shaped step (14) in fixed and discharges.Push away like this, the handle (1) of Inflator can both make air pump outwards inflate, i.e. bidirectional inflating.If will release the gas in the container, as long as soft air-guide pipe (8) patched to hold one's breath certainly to be chewed on (15) or (18), drawing handle gets final product again.
Claims (1)
1, manual bidirectional inflation extraction pump, by handle (1), air cylinder (2), inflator lower cover (3), air guide connecting rod O type circle (4), air guide connecting rod O type circle ring washer (5), foot treadle (6), (7) are chewed in air guide, flexible pipe (8), (9) are chewed in exhaust, air guide connecting rod (10), piston body (11), U type groove (12), piston O type circle (13), ring-shaped step (14) in fixed, chew (15) and (18) from holding one's breath, seal pearl (16) and (19), Returnning spring (17) is formed with (20), it is characterized in that air cylinder (2) is cylindrical shape, its upper end is an overall structure with handle (1), the lower end of air cylinder (2) and inflator lower cover (3) are for being threaded, there is a circular hole that air guide connecting rod (10) is moved up and down in the center portion of inflator lower cover (3), the air guide connecting rod O type circle ring washer (5) of one convex is installed around the hole, air guide connecting rod O type circle ring washer (5) is built-in with the air guide connecting rod O type circle (4) that matches with air guide connecting rod (10), piston body (11) is in the form of annular discs, be positioned at air cylinder (2), the side of piston body (11) the groove shape (12) that takes the shape of the letter U, piston O type circle (13) tightly is placed in the U-groove bevel (12) and with air cylinder (2) inwall and matches, ring-shaped step (14) is fixedly connected on the upper end of piston body (11) in fixed, air guide connecting rod (10) is cylindric, the upper end of air guide connecting rod (10) and piston body (11) are connected to integral body, the lower end of air guide connecting rod (10) is passed inflator lower cover (3) and is threaded with foot treadle (6), air guide is chewed (7) and is installed in that foot treadle (6) is gone up and communicates with the lower end of air guide connecting rod (10), one end of soft air-guide pipe (8) is chewed (7) and is communicated with air guide, the other end is chewed (9) and is fixedlyed connected with exhaust, chew the upper end that (15) are installed on air cylinder (2) from holding one's breath, and be tight connection, Returnning spring (17) with seal pearl (16) and be arranged in from holding one's breath and chew (15) inner chamber, chew (18) from holding one's breath and be installed on inflator lower cover (3) and go up and be tight connection, Returnning spring (20) and seal pearl (19) and be arranged in oneself and hold one's breath and chew the inner chamber of (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98231915 CN2363080Y (en) | 1998-12-27 | 1998-12-27 | Hand-driving bidirectional inflation and suction pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98231915 CN2363080Y (en) | 1998-12-27 | 1998-12-27 | Hand-driving bidirectional inflation and suction pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2363080Y true CN2363080Y (en) | 2000-02-09 |
Family
ID=33981112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98231915 Expired - Fee Related CN2363080Y (en) | 1998-12-27 | 1998-12-27 | Hand-driving bidirectional inflation and suction pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2363080Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107515306A (en) * | 2017-08-18 | 2017-12-26 | 武汉科技大学 | CA215 and the joint-detection patient with breast cancers of CA15 3 a kind of kit |
-
1998
- 1998-12-27 CN CN 98231915 patent/CN2363080Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107515306A (en) * | 2017-08-18 | 2017-12-26 | 武汉科技大学 | CA215 and the joint-detection patient with breast cancers of CA15 3 a kind of kit |
| CN107515306B (en) * | 2017-08-18 | 2019-07-16 | 武汉科技大学 | A kind of kit of CA215 and CA15-3 joint-detection patient with breast cancer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |