CN106438282A - Piston structure of dual-way hand-pulling inflation pump and inflation method of piston structure - Google Patents
Piston structure of dual-way hand-pulling inflation pump and inflation method of piston structure Download PDFInfo
- Publication number
- CN106438282A CN106438282A CN201610913424.6A CN201610913424A CN106438282A CN 106438282 A CN106438282 A CN 106438282A CN 201610913424 A CN201610913424 A CN 201610913424A CN 106438282 A CN106438282 A CN 106438282A
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- China
- Prior art keywords
- air
- guide channel
- air guide
- main body
- piston
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B33/00—Pumps actuated by muscle power, e.g. for inflating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
- F04B39/0016—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons with valve arranged in the piston
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a piston structure of a dual-way hand-pulling inflation pump. The piston structure comprises a piston body. An inner hole connected with an inner pipe of the inflation pump and an outer hole connected with an outer pipe of the inflation pump are formed in the center position of the piston body. The periphery of the piston body is sleeved with a sealing ring. An upper valve opening is formed in the upper portion of the piston body, an upper valve cover is arranged on the upper valve opening, a lower valve opening is formed in the lower portion of the piston body, and a lower valve cover is arranged on the lower valve opening. The inner hole and the outer hole are two separated air chamber spaces, an air inflow guiding channel is formed in one side of the piston body and communicates with the upper valve opening, the lower valve opening and the outer hole, and an air outflow guiding channel is formed in the other side of the piston body. A groove matched with the sealing ring is formed in the periphery of the piston body, air guiding gaps are reserved between the sealing ring and the groove, and the air outflow guiding channel communicates with the inner hole and the air guiding gaps. On the premise of achieving the dual-way air change function, fewer assembly parts are arranged, production and assembly are more convenient, efficiency is higher, and cost is low.
Description
Technical field
The present invention relates to a kind of parts of inflating pump, more particularly, to a kind of piston structure of two-way hand-pulling inflating pump and
It inflates method.
Background technology
Two-way hand-pulling inflating pump (being also inflator) species is relatively more in the market, universal two-way hand-pulling inflating pump
The ventilation that piston is required to carry out two-way air inlet by four valve ports, four valve sheets, give vent to anger is realized.This ventilation knot
Structure is comparatively more complicated, and the accessory of use is many, and production and assembly are loaded down with trivial details, and production cost and material cost are also higher.
Content of the invention
The purpose of the present invention is directed to the technical deficiency of product on existing market, there is provided one kind not only enables reliable and stable
Bidirection air intake, give vent to anger, and air-exchanging structure is simple, and parts are few, bonding is few, easy to assembly, low cost two-way hand-pulling is inflated
The piston structure of pump and its method of inflating.
The technical scheme is that：A kind of piston structure of two-way hand-pulling inflating pump, including piston main body, described piston
The centre of main body has the endoporus being connected with inflating pump inner tube and the exit orifice being connected with inflating pump outer tube, piston main body periphery
Cover a sealing ring, the top of piston main body has valve port, described upper valve port is provided with valve cover, described piston main body
Bottom has lower valve doorway, and described lower valve doorway is provided with lower valve door closure, and described endoporus and exit orifice are the two air chamber skies separating
Between, described piston main body side is provided with air inlet air guide channel, the upper valve port of described air inlet air guide channel connection, lower valve doorway and outer
Hole, described piston main body opposite side is provided with air guide channel of giving vent to anger, and described piston main body periphery is provided with the groove of fitted seal circle,
Air-guiding gap is left, described air guide channel connection endoporus and the air-guiding gap of giving vent to anger between described sealing ring and groove.
Preferably, described groove includes foundation ring, fovea superior groove face and recessed groove face, described air guide channel outside opening position of giving vent to anger
On the foundation ring of groove, when described sealing ring is contacted with fovea superior groove face, between sealing ring and recessed groove face, form lower air-guiding gap；
When sealing ring is contacted with recessed groove face, between sealing ring and fovea superior groove face, form upper air-guiding gap.
Preferably, described piston main body is provided with two piece of first dividing plate and two pieces of second partitions, between two piece of first dividing plate
Form air inlet air guide channel, between two pieces of second partitions, form air guide channel of giving vent to anger.
This kind of structure make its air inlet air guide channel and air guide channel of giving vent to anger more clearly demarcated so that its enter to give vent to anger more stable
Reliable.
Preferably, described piston main body side is additionally provided with seal closure, the position of described seal closure and air inlet air guide channel
Position is corresponding, is provided with the enclosed slot of cooperation seal closure at described air inlet air guide channel outside opening, the welding of described seal closure or
It is bonded at enclosed slot, closed by seal closure at enclosed slot.
On the premise of this kind of structure makes it guarantee seal, easy disassembly.
Preferably, it is equipped with mesh-supported block in described upper valve port and lower valve doorway, if described mesh-supported block includes
Dry rib and the manhole being connected those ribs, described upper valve cover and lower valve lid are equipped with the stem of cooperation manhole
Bar.
This kind of structure make thereon, lower valve doorway more firmly so that upper and lower valve cover install more solid and reliable.
Preferably, described manhole is located at mesh-supported block center, and described upper valve cover and lower valve door closure are
Feather valve door closure, described cane bottom is provided with back-off.
This kind of structure can prevent valve cover from dropping out from valve port.
Preferably, described groove is located at piston main body bottom, the height of described air guide channel of giving vent to anger and the height phase of groove
Coupling, the described height of air inlet air guide channel and the height of seal closure match.
Preferably, described piston main body top is provided with indent, and described air inlet air guide channel is located in upper indent, described work
Plug lower body part is provided with lower indent, and described air guide channel of giving vent to anger is located in lower indent.
Preferably, it is equipped with some reinforcements in described upper indent and lower indent, described sealing ring is circular seal ring.
A kind of piston structure of two-way hand-pulling inflating pump inflate method, comprise the steps：
1）When piston is put into an airtight inner barrel, rely on sealing ring, cylinder is divided into upper chamber and lower chamber two
Individual space；
2）When piston is pressed downward, sealing ring is contacted with the fovea superior groove face of groove, leads under being formed between sealing ring and recessed groove face
Gas gap, then the air in lower chamber by lower air-guiding gap, give vent to anger air guide channel and endoporus is discharged into inflating pump inner tube and enters
Row is inflated, and meanwhile, extraneous air passes through inflating pump outer tube, exit orifice, air inlet air guide channel and upper valve port and flows into upper chamber
Gas storage;
3）When piston is pulled up, sealing ring is contacted with the recessed groove face of groove, is formed and lead between sealing ring and fovea superior groove face
Gas gap, then the air in upper chamber by upper air-guiding gap, give vent to anger air guide channel and endoporus is discharged into inflating pump inner tube and enters
Row is inflated, and meanwhile, extraneous air passes through inflating pump outer tube exit orifice, air inlet air guide channel and lower valve doorway and flows into lower chamber storage
Gas；
4）Repeat step 2）With step 3）Until inflating end.
In the present invention, the endoporus of piston main body and exit orifice are the plenum space of isolation, do not connect each other, with the first dividing plate and
Second partition forms air inlet air guide channel and air guide channel of giving vent to anger simultaneously；Upper valve cover is fitted with piston main body upper surface, lower valve
Door closure is fitted with piston main body lower surface.
The upper and lower of piston main body, all increased reinforcement, makes the bulk strength of piston higher.
Compared with prior art, it is an advantage of the current invention that:As the piston main body realizing two-way ventilation it is only necessary in piston
Body top and the valve port respectively opened with side lower part install after valve cover, weld or one seal closure of bonding, that is, complete
The assembling of whole piston, whole piston only with welding or one sealing shutter fitting of bonding, not only realize reliable and stable two-way enter
Gas, give vent to anger, and air-exchanging structure be simple, parts are few, bonding is few, easy to assembly, inflate efficiency high, low cost.
Brief description
Fig. 1 is the positive structure schematic of the present invention；
Fig. 2 is the structure schematic diagram of the present invention；
Fig. 3 is vertical cross-sectional schematic when sealing ring is contacted with fovea superior groove face in the present invention；
Fig. 4 is vertical cross-sectional schematic when sealing ring is contacted with recessed groove face in the present invention；
Fig. 5 is the horizontal cross-sectional schematic brought at gas air guide channel of the present invention；
Fig. 6 is the horizontal cross-sectional schematic taken out of at gas air guide channel of the present invention；
Fig. 7 is the decomposing schematic representation of the present invention；
Gas flow schematic diagram when Fig. 8 pushes for the pistons work of the present invention；
Fig. 9 is gas flow schematic diagram during the pistons work pull-up of the present invention.
In figure 1. piston main body, 2. goes up valve cover, 3. seal closure, 4. sealing ring, 5. the first dividing plate, 6. the first reinforcement,
7. the second reinforcement, 8. endoporus, 9. exit orifice, 10. mesh-supported block, 11. ribs, 12. lower valve doorways, valve port on 13., 14.
Second partition, 15. the 3rd reinforcements, 16. air inlet air guide channels, 17. give vent to anger air guide channel, 18. recessed groove faces, 19. upper grooves
Face, 20. lower valve door closures, 21. times air-guiding gaps, air-guiding gap on 22., 23. closed cylinders, 24. upper chambers, 25. lower chambers,
26. grooves, 27. manholes, 28. canes, 29. back-offs.
Specific embodiment
The present invention is further detailed explanation with specific work process below in conjunction with the accompanying drawings, but is not to the present invention
The restriction of protection domain.
As shown in figs. 1-7, the piston of this two-way hand-pulling inflating pump, main inclusion：Piston main body 1, upper valve cover 2, lower valve
Door closure 20, seal closure 3, sealing ring 4.
In the middle of this piston main body 1 in the axial direction, there is the exit orifice 9 being connected with inflating pump outer tube and insert with inflating pump inner tube
The endoporus 8 joined, there is upper valve port 13 piston main body 1 upper surface, and upper valve cover 2 is arranged on valve port 13 top；Piston main body 1
There is lower valve doorway 12 in lower surface homonymy direction, and lower valve door closure 20 is arranged on lower valve doorway 12 bottom；Piston main body 1 periphery is provided with one
Groove 26,4 sets of sealing ring is in this groove 26.
The upper and lower surface of piston main body 1 collectively constitutes air inlet air guide channel with the first dividing plate 5 and seal closure 3
16, and communicate with exit orifice 9；The upper and lower surface of piston main body 1 collectively constitutes, with second partition 14, air guide channel 17 of giving vent to anger,
And communicate with endoporus 8.Air inlet air guide channel 16 is not connected with air guide channel 17 two of giving vent to anger.
It is equipped with mesh-supported block 10 on two valve ports on piston main body 1, mesh-supported block 10 has many ribs
11, it is provided with a manhole 27 in the middle of many ribs 11, the cane 28 for upper valve cover 2 and lower valve door closure 20 passes through, and valve
There is back-off 29 on the cane 28 of door closure, prevent valve cover from reversely deviating from；Upper valve cover 2 is fitted with the upper surface of piston main body 1, under
Valve cover 20 is fitted with the lower surface of piston main body 1, each formation one-way conduction valve.
Seal closure 3 need to weld or be bonded in piston master after upper valve cover 2 and lower valve door closure 20 are assembled in piston main body 1
On body 1, thus reaching sealing, define air inlet air guide channel 16.
The concrete operating principle of the present invention：
As shown in FIG. 8 and 9, when whole piston structure puts into a closed barrel 23 inside, rely on sealing ring 4, by cylinder 23
It is divided into upper chamber 24 and lower chamber 25 two spaces.When piston structure is pressed downward, the fovea superior groove face of sealing ring 4 and groove 26
19 contacts, form lower air-guiding gap 21, then between the air in lower chamber 25 is by lower air guide between sealing ring 4 and recessed groove face 18
Gap 21, give vent to anger air guide channel 17 and endoporus 8 is discharged into inflating pump inner tube and is inflated, meanwhile, extraneous air passes through to inflate
Pump outer tube, exit orifice 9, air inlet air guide channel 16 and upper valve port 13 flow into upper chamber 24 gas storage；When piston structure is pulled up,
Sealing ring 4 is contacted with the recessed groove face 18 of groove 26, forms upper air-guiding gap 22, then go up between sealing ring 4 and fovea superior groove face 19
Air in air chamber 24 by upper air-guiding gap 22, give vent to anger air guide channel 17 and endoporus 8 is discharged into inflating pump inner tube and carries out beating
Gas, meanwhile, extraneous air passes through inflating pump outer tube exit orifice, air inlet air guide channel 16 and lower valve doorway 12 and flows into lower chamber 25
Gas storage；Repeat first two steps until inflating end.
Claims (10)
1. a kind of piston structure of two-way hand-pulling inflating pump, including piston main body it is characterised in that：The center of described piston main body
Position has the endoporus being connected with inflating pump inner tube and the exit orifice being connected with inflating pump outer tube, piston main body periphery set one sealing
Circle, the top of piston main body has valve port, and described upper valve port is provided with valve cover, and described piston main body bottom has
Lower valve doorway, described lower valve doorway is provided with lower valve door closure, and described endoporus and exit orifice are two plenum space separating, described work
Plug body side is provided with air inlet air guide channel, described air inlet air guide channel connection above valve port, lower valve doorway and exit orifice, described work
Plug main body opposite side is provided with air guide channel of giving vent to anger, and described piston main body periphery is provided with the groove of fitted seal circle, described sealing
Air-guiding gap is left, described air guide channel connection endoporus and the air-guiding gap of giving vent to anger between circle and groove.
2. a kind of two-way hand-pulling inflating pump according to claim 1 piston structure it is characterised in that：Described groove includes
Foundation ring, fovea superior groove face and recessed groove face, described give vent to anger air guide channel outside opening be located at groove foundation ring on, described sealing ring with
During the contact of fovea superior groove face, between sealing ring and recessed groove face, form lower air-guiding gap；When sealing ring is contacted with recessed groove face, sealing
Form upper air-guiding gap between circle and fovea superior groove face.
3. a kind of two-way hand-pulling inflating pump according to claim 1 piston structure it is characterised in that：Described piston main body
Be provided with two piece of first dividing plate and two pieces of second partitions, between two piece of first dividing plate formed air inlet air guide channel, two piece second every
Form air guide channel of giving vent to anger between plate.
4. a kind of two-way hand-pulling inflating pump according to claim 2 piston structure it is characterised in that：Described piston main body
Side is additionally provided with seal closure, and the position of described seal closure is corresponding with the position of air inlet air guide channel, described air inlet air guide channel
It is provided with the enclosed slot of cooperation seal closure, described seal closure welds or is bonded at enclosed slot, passes through at enclosed slot at outside opening
Seal closure is closed.
5. a kind of two-way hand-pulling inflating pump according to claim 1 piston structure it is characterised in that：Described upper valve port
Be equipped with mesh-supported block in lower valve doorway, described mesh-supported block include some ribs and be connected those ribs circle lead to
Hole, described upper valve cover and lower valve lid are equipped with the cane of cooperation manhole.
6. a kind of two-way hand-pulling inflating pump according to claim 5 piston structure it is characterised in that：Described manhole
Positioned at mesh-supported block center, described upper valve cover and lower valve door closure are feather valve door closure, and described cane bottom is provided with
Back-off.
7. a kind of two-way hand-pulling inflating pump according to claim 4 piston structure it is characterised in that：Described groove is located at
Piston main body bottom, the described height of air guide channel of giving vent to anger and the height of groove match, the height of described air inlet air guide channel
Match with the height of seal closure.
8. a kind of two-way hand-pulling inflating pump according to claim 1 piston structure it is characterised in that：Described piston main body
Top is provided with indent, and described air inlet air guide channel is located in upper indent, and described piston main body bottom is provided with lower indent, described go out
Gas air guide channel is located in lower indent.
9. a kind of two-way hand-pulling inflating pump according to claim 8 piston structure it is characterised in that：In described upper indent
It is provided with the first reinforcement and the second reinforcement, in described lower indent, is provided with the 3rd reinforcement, described sealing ring is circular seal ring.
10. a kind of piston structure of two-way hand-pulling inflating pump according to claim 2 inflate method it is characterised in that：
It comprises the steps：
1）When piston structure is put into a closed barrel inside, rely on sealing ring, cylinder is divided into upper chamber and lower chamber
Two spaces；
2）When piston structure is pressed downward, sealing ring is contacted with the fovea superior groove face of groove, is formed between sealing ring and recessed groove face
Lower air-guiding gap, then the air in lower chamber by lower air-guiding gap, give vent to anger air guide channel and endoporus is discharged in inflating pump
Pipe is inflated, and meanwhile, extraneous air passes through inflating pump outer tube, exit orifice, air inlet air guide channel and upper valve port and flows into
Air chamber gas storage;
3）When piston structure is pulled up, sealing ring is contacted with the recessed groove face of groove, is formed between sealing ring and fovea superior groove face
Upper air-guiding gap, then the air in upper chamber by upper air-guiding gap, give vent to anger air guide channel and endoporus is discharged in inflating pump
Pipe is inflated, and meanwhile, extraneous air passes through inflating pump outer tube exit orifice, air inlet air guide channel and lower valve doorway and flows into lower gas
Room gas storage；
4）Repeat step 2）With step 3）Until inflating end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913424.6A CN106438282A (en) | 2016-10-20 | 2016-10-20 | Piston structure of dual-way hand-pulling inflation pump and inflation method of piston structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913424.6A CN106438282A (en) | 2016-10-20 | 2016-10-20 | Piston structure of dual-way hand-pulling inflation pump and inflation method of piston structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438282A true CN106438282A (en) | 2017-02-22 |
Family
ID=58176387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610913424.6A Pending CN106438282A (en) | 2016-10-20 | 2016-10-20 | Piston structure of dual-way hand-pulling inflation pump and inflation method of piston structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438282A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017109974A1 (en) * | 2017-05-09 | 2018-11-15 | Beto Engineering and Marketing Co., Ltd. | Air pump and air reservoir, switching valve and valve core of this air pump |
| CN113090502A (en) * | 2021-05-11 | 2021-07-09 | 浙江威邦机电科技有限公司 | Two-way pump of changeable pressure-vaccum state |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29701678U1 (en) * | 1997-01-06 | 1997-03-27 | Yang, Hsi-Kung, Pan-Chiao, Taipeh | Air pump with double air intake |
| CN201170176Y (en) * | 2008-03-11 | 2008-12-24 | 陈校波 | Bidirectional air charging and discharging pump |
| CN201818469U (en) * | 2010-10-22 | 2011-05-04 | 宁波布拉沃冲气具制造有限公司 | Piston for hand pulling inflator |
| CN104196697A (en) * | 2014-07-14 | 2014-12-10 | 格力休闲体育用品有限公司 | Bi-directional hand inflator piston |
| CN206158953U (en) * | 2016-10-20 | 2017-05-10 | 浙江威邦机电科技有限公司 | Piston structure of two -way hand power inflating pump |
-
2016
- 2016-10-20 CN CN201610913424.6A patent/CN106438282A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29701678U1 (en) * | 1997-01-06 | 1997-03-27 | Yang, Hsi-Kung, Pan-Chiao, Taipeh | Air pump with double air intake |
| CN201170176Y (en) * | 2008-03-11 | 2008-12-24 | 陈校波 | Bidirectional air charging and discharging pump |
| CN201818469U (en) * | 2010-10-22 | 2011-05-04 | 宁波布拉沃冲气具制造有限公司 | Piston for hand pulling inflator |
| CN104196697A (en) * | 2014-07-14 | 2014-12-10 | 格力休闲体育用品有限公司 | Bi-directional hand inflator piston |
| CN206158953U (en) * | 2016-10-20 | 2017-05-10 | 浙江威邦机电科技有限公司 | Piston structure of two -way hand power inflating pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017109974A1 (en) * | 2017-05-09 | 2018-11-15 | Beto Engineering and Marketing Co., Ltd. | Air pump and air reservoir, switching valve and valve core of this air pump |
| CN113090502A (en) * | 2021-05-11 | 2021-07-09 | 浙江威邦机电科技有限公司 | Two-way pump of changeable pressure-vaccum state |
| CN113090502B (en) * | 2021-05-11 | 2022-02-11 | 浙江威邦机电科技有限公司 | Two-way pump of changeable pressure-vaccum state |
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Application publication date: 20170222 |
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