CN206158953U - Piston structure of two -way hand power inflating pump - Google Patents
Piston structure of two -way hand power inflating pump Download PDFInfo
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- CN206158953U CN206158953U CN201621140593.2U CN201621140593U CN206158953U CN 206158953 U CN206158953 U CN 206158953U CN 201621140593 U CN201621140593 U CN 201621140593U CN 206158953 U CN206158953 U CN 206158953U
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- guide channel
- air guide
- main body
- inflating pump
- piston
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Abstract
The utility model discloses a piston structure of two -way hand power inflating pump, including piston body, piston body's center part open have with the inflating pump in the union coupling the hole and with the outer hole of the outer union coupling of inflating pump, a piston body periphery cover sealing washer, open on piston body's upper portion has last valve mouth, goes up and is equipped with valve cap on the valve mouth, division there is lower valve mouth the piston body lower part, is equipped with down valve cap on the lower valve mouth, hole and outer hole two air chamber spaces for separating, piston body one side is equipped with the air conduction channel that admits air, valve mouth, lower valve mouth and outer hole on the air conduction channel intercommunication that admits air, the piston body opposite side is equipped with the air conduction channel that gives vent to anger, be equipped with the recess of cooperation sealing washer in the piston body periphery, leave the air guide clearance between sealing washer and the recess, the air conduction channel that gives vent to anger intercommunication hole and air guide clearance. The utility model discloses can be under the prerequisite that realizes the two -way function of taking a breath, the equipment accessory is few, and the production assembly is more convenient, and efficiency is higher, and is with low costs.
Description
Technical field
This utility model is related to a kind of parts of inflating pump, more particularly to a kind of piston knot of two-way hand-pulling inflating pump
Structure.
Background technology
In the market two-way hand-pulling inflating pump (being also inflator) species is relatively more, universal two-way hand-pulling inflating pump
Piston is required to carry out two-way air inlet, the ventilation of outlet realizing by four valve ports, four valve sheets.This ventilation knot
Structure is comparatively more complicated, and the accessory for using is more, and production and assembly are loaded down with trivial details, and production cost and material cost are also higher.
Utility model content
Technical deficiency of the purpose of this utility model for product on existing market, there is provided one kind can not only be realized stable
Reliable bidirection air intake, outlet, and air-exchanging structure is simple, parts are few, bonding is few, easy to assembly, low cost two-way hand-pulling
The piston structure of inflating pump.
The technical solution of the utility model is：A kind of piston structure of two-way hand-pulling inflating pump, including piston main body, it is described
The centre of piston main body is provided with the endoporus being connected with inflating pump inner tube and the exit orifice being connected with inflating pump outer tube, piston main body
Periphery covers a sealing ring, and the top of piston main body is provided with valve port, and the upper valve port is provided with valve cover, the piston
Lower body part is provided with lower valve doorway, and the lower valve doorway is provided with lower valve door closure, and the endoporus and exit orifice are two gas for separating
Room space, the piston main body side is provided with air inlet air guide channel, and the air inlet air guide channel connects upper valve port, lower valve doorway
And exit orifice, the piston main body opposite side is provided with outlet air guide channel, and the piston main body periphery is provided with fitted seal circle
Groove, leaves air-guiding gap, the outlet air guide channel connection endoporus and air-guiding gap between the sealing ring and groove.
Preferably, the groove includes foundation ring, fovea superior groove face and recessed groove face, the outlet air guide channel outside opening position
On the foundation ring of groove, when the sealing ring is contacted with fovea superior groove face, lower air-guiding gap is formed between sealing ring and recessed groove face；
When sealing ring is contacted with recessed groove face, upper air-guiding gap is formed between sealing ring and fovea superior groove face.
Preferably, the 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
Air inlet air guide channel is formed, outlet air guide channel is formed between two pieces of second partitions.
This kind of structure causes its air inlet air guide channel and outlet air guide channel clearly more demarcated so that it is more stable that it enters outlet
It is reliable.
Preferably, the piston main body side is additionally provided with seal closure, position and the air inlet air guide channel of the seal closure
Position is corresponding, is provided with the enclosed slot for coordinating seal closure at the air inlet air guide channel outside opening, seal closure welding or
It is bonded at enclosed slot, is closed by seal closure at enclosed slot.
On the premise of this kind of structure causes it to guarantee seal, easy disassembly.
Preferably, mesh-supported block is equipped with the upper valve port and lower valve doorway, if the mesh-supported block includes
Dry rib and the manhole for being connected those ribs, are equipped with the stem for coordinating manhole on the upper valve cover and lower valve lid
Bar.
This kind of structure cause thereon, lower valve doorway it is more firm so that upper and lower valve cover is installed more solid and reliable.
Preferably, the manhole is located at mesh-supported block center, and the upper valve cover and lower valve door closure are
Feather valve door closure, the cane bottom is provided with back-off.
This kind of structure can prevent valve cover from dropping out from valve port.
Preferably, the groove is located at piston main body bottom, the height of the outlet air guide channel and the height phase of groove
Matching, the height of air inlet air guide channel matches with the height of seal closure.
Preferably, the piston main body top is provided with indent, and the air inlet air guide channel is located in upper indent, the work
Plug lower body part is provided with lower indent, and the outlet air guide channel is located in lower indent.
Preferably, some reinforcements are equipped with the upper indent and lower indent, the sealing ring is circular seal ring.
A kind of piston structure of two-way hand-pulling inflating pump inflates method, comprises the steps：
1）When piston is put into into a closed inner barrel, by sealing ring, cylinder is divided into into upper chamber and the therapeutic method to keep the adverse QI flowing downwards
Room two spaces；
2）When piston 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 therapeutic method to keep the adverse QI flowing downwards room be discharged in inflating pump by lower air-guiding gap, outlet air guide channel and endoporus
Pipe is inflated, meanwhile, extraneous air is flowed into by inflating pump outer tube, exit orifice, air inlet air guide channel and upper valve port
Air chamber gas storage;
3）When piston 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 be discharged in inflating pump by upper air-guiding gap, outlet air guide channel and endoporus
Pipe is inflated, meanwhile, extraneous air flows into the therapeutic method to keep the adverse QI flowing downwards by inflating pump outer tube exit orifice, air inlet air guide channel and lower valve doorway
Room gas storage；
4）Repeat step 2）With step 3）Until inflating end.
In this utility model the endoporus and exit orifice of piston main body be isolation plenum space, do not connect each other, with first every
Plate and second partition form air inlet air guide channel and outlet air guide channel 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, increased reinforcement, make the bulk strength of piston higher.
Compared with prior art, the utility model has the advantage of:As the piston main body for realizing two-way ventilation, it is only necessary to
Piston main body top and the valve port respectively opened with side lower part are installed after valve cover, are welded or one seal closure of bonding, i.e.,
Complete the assembling of whole piston, whole piston is not only realized reliable and stable double only with one sealing shutter fitting of welding or bonding
It is simple to air inlet, outlet, and air-exchanging structure, parts are few, bonding is few, it is easy to assembly, inflate efficiency high, low cost.
Description of the drawings
Fig. 1 is positive structure schematic of the present utility model；
Fig. 2 is structure schematic diagram of the present utility model；
Fig. 3 is vertical cross-sectional schematic when sealing ring is contacted with fovea superior groove face in this utility model；
Fig. 4 is vertical cross-sectional schematic when sealing ring is contacted with recessed groove face in this utility model；
Fig. 5 is the horizontal cross-sectional schematic brought at gas air guide channel of the present utility model；
Fig. 6 is the horizontal cross-sectional schematic taken out of at gas air guide channel of the present utility model；
Fig. 7 is decomposing schematic representation of the present utility model；
Gas flow schematic diagram when Fig. 8 is pushed for pistons work of the present utility model；
Fig. 9 is gas flow schematic diagram when pistons work of the present utility model is pulled up.
1. piston main body in figure, 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. outlet air guide channels, 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
Below in conjunction with the accompanying drawings this utility model is described in further detail with specific work process, but is not to this
The restriction of utility model protection scope.
As shown in figs. 1-7, the piston of this two-way hand-pulling inflating pump, mainly includes：Piston main body 1, upper valve cover 2, lower valve
Door closure 20, seal closure 3, sealing ring 4.
In the middle of the 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 matched somebody with somebody, the upper surface of piston main body 1 has upper valve port 13, and upper valve cover 2 is arranged on the top of upper valve port 13；Piston main body 1
There is lower valve doorway 12 in lower surface homonymy direction, and lower valve door closure 20 is arranged on the bottom of lower valve doorway 12；The periphery of piston main body 1 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 outlet air guide channel 17 with second partition 14,
And communicate with endoporus 8.Air inlet air guide channel 16 is not connected with outlet air guide channel 17 two.
Mesh-supported block 10 is equipped with two valve ports on piston main body 1, there are many ribs on mesh-supported block 10
11, a manhole 27 is provided with the middle of many ribs 11, pass through for the cane 28 of upper valve cover 2 and lower valve door closure 20, 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 to form 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, so as to reach sealing, air inlet air guide channel 16 is defined.
Concrete operating principle of the present utility model：
As shown in FIG. 8 and 9, when whole piston structure is put into 23 inside of closed barrel, by sealing ring 4, by cylinder
Body 23 is divided into upper chamber 24 and the two spaces of lower chamber 25.When piston structure is pressed downward, the fovea superior of sealing ring 4 and groove 26
Groove face 19 is contacted, and lower air-guiding gap 21 is formed between sealing ring 4 and recessed groove face 18, then the air in lower chamber 25 is led under passing through
Gas gap 21, outlet air guide channel 17 and endoporus 8 are discharged into inflating pump inner tube and are inflated, meanwhile, extraneous air passes through
Inflating pump outer tube, exit orifice 9, air inlet air guide channel 16 and upper valve port 13 flow into the gas storage of upper chamber 24；By piston structure upwards
During drawing, sealing ring 4 is contacted with the recessed groove face 18 of groove 26, and upper air-guiding gap 22 is formed between sealing ring 4 and fovea superior groove face 19,
Then the air in upper chamber 24 is discharged into inflating pump inner tube and enters by upper air-guiding gap 22, outlet air guide channel 17 and endoporus 8
Row is inflated, meanwhile, extraneous air flows into the therapeutic method to keep the adverse QI flowing downwards by inflating pump outer tube exit orifice, air inlet air guide channel 16 and lower valve doorway 12
The gas storage of room 25；Repeat first two steps until inflating end.
Claims (9)
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 the piston main body
Position is provided with the endoporus being connected with inflating pump inner tube and the exit orifice being connected with inflating pump outer tube, and piston main body periphery set one is sealed
Circle, the top of piston main body is provided with valve port, and the upper valve port is provided with valve cover, and the piston main body bottom is provided with
Lower valve doorway, the lower valve doorway is provided with lower valve door closure, and the endoporus and exit orifice are two plenum spaces for separating, the work
Plug body side is provided with air inlet air guide channel, and the air inlet air guide channel connects upper valve port, lower valve doorway and exit orifice, the work
Plug main body opposite side is provided with outlet air guide channel, and the piston main body periphery is provided with the groove of fitted seal circle, the sealing
Air-guiding gap, the outlet air guide channel connection endoporus and air-guiding gap are left between circle and groove.
2. the piston structure of a kind of two-way hand-pulling inflating pump according to claim 1, it is characterised in that：The groove includes
Foundation ring, fovea superior groove face and recessed groove face, the outlet air guide channel outside opening be located at groove foundation ring on, the sealing ring with
When fovea superior groove face is contacted, lower air-guiding gap is formed between sealing ring and recessed groove face；When sealing ring is contacted with recessed groove face, sealing
Upper air-guiding gap is formed between circle and fovea superior groove face.
3. the piston structure of a kind of two-way hand-pulling inflating pump according to claim 1, it is characterised in that：The 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
Outlet air guide channel is formed between plate.
4. the piston structure of a kind of two-way hand-pulling inflating pump according to claim 2, it is characterised in that：The piston main body
Side is additionally provided with seal closure, and the position of the seal closure is corresponding with the position of air inlet air guide channel, the air inlet air guide channel
The enclosed slot for coordinating seal closure is provided with outside opening, the seal closure is welded or is bonded at enclosed slot, passes through at enclosed slot
Seal closure is closed.
5. the piston structure of a kind of two-way hand-pulling inflating pump according to claim 1, it is characterised in that：The upper valve port
Be equipped with mesh-supported block in lower valve doorway, the mesh-supported block includes some ribs and is connected the circle of those ribs leading to
Hole, is equipped with the cane for coordinating manhole on the upper valve cover and lower valve lid.
6. the piston structure of a kind of two-way hand-pulling inflating pump according to claim 5, it is characterised in that：The manhole
Positioned at mesh-supported block center, the upper valve cover and lower valve door closure are feather valve door closure, and the cane bottom is provided with
Back-off.
7. the piston structure of a kind of two-way hand-pulling inflating pump according to claim 4, it is characterised in that：The groove is located at
Piston main body bottom, the height of outlet air guide channel matches with the height of groove, the height of the air inlet air guide channel
Match with the height of seal closure.
8. the piston structure of a kind of two-way hand-pulling inflating pump according to claim 1, it is characterised in that：The piston main body
Top is provided with indent, and the air inlet air guide channel is located in upper indent, and the piston main body bottom is provided with lower indent, it is described go out
Gas air guide channel is located in lower indent.
9. the piston structure of a kind of two-way hand-pulling inflating pump according to claim 8, it is characterised in that：In the upper indent
The first reinforcement and the second reinforcement are provided with, the 3rd reinforcement is provided with the lower indent, the sealing ring is circular seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140593.2U CN206158953U (en) | 2016-10-20 | 2016-10-20 | Piston structure of two -way hand power inflating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621140593.2U CN206158953U (en) | 2016-10-20 | 2016-10-20 | Piston structure of two -way hand power inflating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158953U true CN206158953U (en) | 2017-05-10 |
Family
ID=58655207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621140593.2U Active CN206158953U (en) | 2016-10-20 | 2016-10-20 | Piston structure of two -way hand power inflating pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN206158953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438282A (en) * | 2016-10-20 | 2017-02-22 | 浙江威邦机电科技有限公司 | Piston structure of dual-way hand-pulling inflation pump and inflation method of piston structure |
| CN107642477A (en) * | 2017-10-31 | 2018-01-30 | 浙江威邦机电科技有限公司 | A kind of inflating pump of monitoring pressure in real time value |
-
2016
- 2016-10-20 CN CN201621140593.2U patent/CN206158953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438282A (en) * | 2016-10-20 | 2017-02-22 | 浙江威邦机电科技有限公司 | Piston structure of dual-way hand-pulling inflation pump and inflation method of piston structure |
| CN107642477A (en) * | 2017-10-31 | 2018-01-30 | 浙江威邦机电科技有限公司 | A kind of inflating pump of monitoring pressure in real time value |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |