CN207261193U - A kind of bidirectional inflating pumping pulls inflator - Google Patents
A kind of bidirectional inflating pumping pulls inflator Download PDFInfo
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- CN207261193U CN207261193U CN201720864053.7U CN201720864053U CN207261193U CN 207261193 U CN207261193 U CN 207261193U CN 201720864053 U CN201720864053 U CN 201720864053U CN 207261193 U CN207261193 U CN 207261193U
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- gas
- piston ring
- air
- shaft core
- inflator
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Abstract
The utility model is related to a kind of bidirectional inflating pumping pulls inflator.It is characterized in that：The inner space of body is divided into two plenum spaces up and down by piston ring, shaft core is through hole, it is internally provided with a partition plate and shaft core through hole is separated into two air flues in left and right, one is inlet channel, one is outlet passageway, the upper end of inlet channel and outlet passageway sets a gas port respectively in two sides, the lower end side of inlet channel and outlet passageway also sets a gas port respectively in two sides, two gas ports of upper end are communicated with the air inlet of handbar and gas outlet respectively, and two gas ports of lower end are communicated with the air intake duct and gas off-take of piston ring respectively.The utility model solves threaded engagement metapore position and does not align, and it is bad during assembling screw thread screw, and the problem of screw difficulty；And improve the production efficiency assembled.
Description
Technical field
The utility model is related to a kind of bidirectional inflating pumping pulls inflator, i.e. user holds when being pressed downward, pulling up
It is continuous aerated product to be inflated or pumping action pulls inflator.
Background technology
First, currently on the market, the structure of such a two-way hand-pulling inflating pump, it is small that shaft core part is substantially big pipe internal sleeve
Pipe, so as to fulfill ventilatory, for this structure in material, buying, storage, assembling, cost is relatively higher；
2nd, in ZL 200820084334.1, the shaft core of center section, inner space is divided into two passages, axis by partition plate
Core inner is to be separated into two air flues by partition plate, and on the direction of vertical partition plate, two holes have respectively been opened on the both ends both sides of shaft core,
Shaft core both ends must also be reprocessed into external screw thread, this is a single component；Also there are two air flues, middle and shaft core in handle both sides
It is internal thread at cooperation, is also a single component；Piston ring also has two gas ports, middle with being interior spiral shell at shaft core cooperation
Line.Accessory is required for being assembled two-by-two for this, and using threaded connection；But there are drawback for this engagement thread：
1st, the connection mode of screw thread, it is impossible to it is completely secured after screw thread screws, the Kong Weiyu handles of shaft core and piston ring
Air flue aligns, and so causes air flue hole area to reduce, and influences the gas output of unit area, and influence is inflated or the speed of evacuation；More
It there will be severe, cause shaft core gas off-take to be connected with handle air intake duct, shaft core air intake duct with handle gas off-take after threaded engagement；
2nd, packaging efficiency is low；Threaded engagement, for more metal threaded, the thread of plastic cement products is without so smooth suitable
Freely, all can there are flash, thread damage, thread dislocation the problems such as, so cause assemble screw when, the thread of two accessories must
It can just be screwed after must aligning, so influence packaging efficiency, low production efficiency.
The content of the invention
Technical deficiency of the purpose of this utility model for product on existing market, there is provided a kind of bidirectional inflating pumping
Pull inflator, can not only realize reliable and stable bidirectional inflating, pumping, and air-exchanging structure is simple, easy to assembly, cost compared with
It is low.
For this reason, the utility model adopts the following technical scheme that：A kind of bidirectional inflating pumping pulls inflator, it includes one
Body, has a piston ring in the body, has a upper cover in the body upper part, have a circular hole among upper cover, a shaft core is worn, in axis
The upper end of core combines a handle, and the lower end of shaft core is combined with piston ring, it is characterised in that：Piston ring is by the inner space of body
It is divided into two plenum spaces up and down, shaft core is through hole, is internally provided with a partition plate and shaft core through hole is separated into two air flues in left and right,
One is inlet channel, and one is outlet passageway, and the upper end of inlet channel and outlet passageway sets a gas in two sides respectively
Mouthful, the lower end side of inlet channel and outlet passageway also sets a gas port in two sides respectively, two gas ports of upper end respectively with
The air inlet of handbar and gas outlet communicate, and two gas ports of lower end are communicated with the air intake duct and gas off-take of piston ring respectively.
Air guide port is equipped with the top of piston ring air intake duct, lower section, respectively has an one-way cock piece at air guide port, in air inlet
, there is a seal closure in air flue side mouthful, for sealing air inlet gas port portion,
Shaft core is each inserted directly into tight fit with handle, shaft core and piston ring, and after air flue hole aligns, boring rivet is consolidated
It is fixed.
On the premise of this kind of structure causes it to ensure seal, easy disassembly.
Preferably, the piston ring is equipped with two pieces of first partitions and two pieces of second partitions, shape between two pieces of first partitions
Into air inlet air guide channel, outlet air guide channel is formed between two pieces of second partitions.
Preferably, the position of the seal closure is corresponding with the position of air inlet air guide channel, outside the air inlet air guide channel
Portion's opening is equipped with the enclosed slot for coordinating seal closure, and the seal closure is welded or is bonded at enclosed slot, passes through envelope at enclosed slot
Lid is closed.
Preferably, the upper air guide port, mesh-supported block is equipped with lower air guide port, the mesh-supported block includes some
Rib and the small column for being connected those ribs, small column are exposed at outside, and upper valve sheet and lower valve on piece is equipped with cooperation circle
Shape through hole.After one-way cock piece is inserted in small column, small column plastic cement is plated or flattened.
Preferably, the circular through hole is located at mesh-supported block center, and the upper valve sheet and lower valve piece are
Feather valve door closure.
Preferably, the piston ring periphery is equipped with the groove of fitted seal circle, is left between the sealing ring and groove
Air-guiding gap, the gas off-take connection outlet passageway and air-guiding gap.
Preferably, the piston ring top is equipped with upper indent, and the air inlet air guide channel is located in upper indent, the piston
Ring lower part is equipped with lower indent, and the outlet air guide channel is located in lower indent.
Preferably, the first reinforcing rib and the second reinforcing rib are equipped with the upper indent, being equipped with the 3rd in the lower indent adds
Strengthening tendons, the sealing ring are circular seal ring.
Compared with prior art, the utility model has the advantage of:As realizing that the passage of air inlet and outlet is only one
There is the shaft core of a partition plate in inside, which is each inserted directly into tight fit with handle, shaft core and piston ring, after air flue hole aligns
Boring rivet is fixed.It is bad when so solving threaded engagement metapore position not align, and assembling screw thread to screw, and screw difficulty
The problem of；And improve the production efficiency assembled.
Brief description of the drawings
Fig. 1 is the decomposition diagram of the utility model；
Fig. 2 is gas flow schematic diagram when the pistons work of the utility model pushes；
Gas flow schematic diagram when Fig. 3 is the pistons work pull-up of the utility model.
In figure：01. upper cover, 02. upper cover diaphragm seal, box nut on 03., 04. body, 05. handle, 06. elastic sealing gasket,
07. rivet, 08. shaft core, 09. sealing ring, 10. piston rings, 11. valve sheets, 12. seal closures, 13. gas off-takes, 14. air intake ducts,
15. handle gas outlet, 16. handle air inlets, air guide port on 17., 18. times air guide ports, 19. piston ring gas off-takes, 20. piston rings
Air intake duct, 21. shaft core upper end gas outlets, 22. shaft core upper end air inlets, 23. shaft core lower end gas outlets, 24. shaft core lower end air inlets
Mouthful, 25. partition plates.
Embodiment
The utility model is described in further detail with specific work process below in conjunction with the accompanying drawings, but is not to this
The limitation of utility model protection scope.
As shown in Figure 1, the two-way hand-pulling inflator of the utility model, mainly includes a body 04 and mounted in body 04
The upper cover 01 on top, is removably to connect between upper cover 01 and body 04, can be threadedly coupled.01 interstitial hole of upper cover wears an axis
Rivet interlacement is punched in core 08,08 top of shaft core with handle 05, and rivet interlacement is punched in 08 lower part of shaft core with piston ring 10；In shaft core 08
Portion is provided with shaft core upper end gas outlet 21 and shaft core upper end air inlet 22, and 08 lower part of shaft core is provided with shaft core lower end gas outlet 23 and shaft core
Lower end air inlet 24.
It is through hole inside shaft core 08, but outlet is separated into by partition plate 25 as bidirectional inflating and the inflator of air extracting function
Road 13 and air intake duct 14；After the elastic sealing gasket 06 that the upper and lower end single side of shaft core 08 has glue seals, the insertion of 08 top of shaft core is held
At 05 cooperation, and make shaft core upper end gas outlet 21 and handle gas outlet 15, shaft core upper end air inlet 22 and handle air inlet 16
Align；At insertion 10 cooperation of piston ring of 08 lower part of shaft core, and make under shaft core lower end gas outlet 23 and piston ring gas off-take 19, shaft core
End air inlet 24 is aligned with piston ring air intake duct 20；This cooperation more can be such that air flue hole is aligned with gas port, so as to be that air-flow leads to
The area crossed is maximum, does not influence the discharge and entrance of gas.
20 external port of air intake duct in the piston ring 10, is sealed with seal closure 12.
As shown in Fig. 2, when inflator handle 05 pushes, shaft core 08, piston ring 10 is pulled to move down at the same time, in body 04
Lower chamber gas, the air-guiding gap between sealing ring 09 and piston ring groove, by piston ring gas off-take 19, gas off-take
13, discharged by handle gas outlet 15, meanwhile, outside air, by handle air inlet 16, by air intake duct 14, piston ring into
Air flue 20, upper air guide port 17, into 04 top gas chamber gas storage of body.
As shown in figure 3, when inflator handle 05 pulls up, shaft core 08, piston ring 10 is pulled to move up at the same time, in body 04
Upper chamber gas, the air-guiding gap between sealing ring 09 and piston ring groove, by piston ring gas off-take 19, gas off-take
13, discharged by handle gas outlet 15, meanwhile, outside air, by handle air inlet 16, by air intake duct 14, piston ring into
Air flue 20, lower air guide port 18, into 04 lower part gas chamber gas storage of body.
Both the above acts repetitive operation, so as to fulfill the bidirectional inflating and air extracting function of inflator.Above only describes
The preferred embodiment of the utility model, but any modification, equivalent made where within the spirit and principles of the present invention
Replace, improve etc., it should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of bidirectional inflating pumping pulls inflator, it includes a body, there is a piston ring in the body, on the body
There is a upper cover in portion, there is a circular hole among upper cover, wears a shaft core, combines a handle in the upper end of shaft core, the lower end of shaft core with
Piston ring combines, it is characterised in that：The inner space of body is divided into two plenum spaces up and down by piston ring, and shaft core is through hole,
It is internally provided with a partition plate and shaft core through hole is separated into two air flues in left and right, one is inlet channel, and one is outlet passageway, into
The upper end of gas passage and outlet passageway sets a gas port in two sides respectively, and the lower end side of inlet channel and outlet passageway is two
Side also sets a gas port respectively, and two gas ports of upper end are communicated with the air inlet of handbar and gas outlet respectively, lower end
Two gas ports are communicated with the air intake duct and gas off-take of piston ring respectively,
Air guide port is equipped with the top of piston ring air intake duct, lower section, respectively has an one-way cock piece at air guide port, in air inlet air flue
, there is a seal closure in side mouthful, for sealing air inlet gas port portion,
Shaft core is each inserted directly into tight fit with handle, shaft core and piston ring, and after air flue hole aligns, boring rivet is fixed.
2. a kind of bidirectional inflating pumping according to claim 1 pulls inflator, it is characterised in that：On the piston ring
Equipped with two pieces of first partitions and two pieces of second partitions, air inlet air guide channel, two pieces of second partitions are formed between two pieces of first partitions
Between formed outlet air guide channel.
3. a kind of bidirectional inflating pumping according to claim 2 pulls inflator, it is characterised in that：The seal closure
Position is corresponding with the position of air inlet air guide channel, and the sealing for coordinating seal closure is equipped with the air inlet air guide channel outside opening
Groove, the seal closure are welded or are bonded at enclosed slot, closed at enclosed slot by seal closure.
4. a kind of bidirectional inflating pumping according to claim 1 pulls inflator, it is characterised in that：The upper air guide
Mesh-supported block is equipped with mouth, lower air guide port, the mesh-supported block includes some ribs and is connected the roundlet of those ribs
Column, small column are exposed at outside, and upper valve sheet and lower valve on piece is equipped with circular through hole, and one-way cock piece is inserted in small column
Afterwards, small column plastic cement is plated or flattened.
5. a kind of bidirectional inflating pumping according to claim 4 pulls inflator, it is characterised in that：The small column position
In mesh-supported block center, and it is exposed at outside piston ring, the upper valve sheet and lower valve piece are feather valve door closure.
6. a kind of bidirectional inflating pumping according to claim 4 pulls inflator, it is characterised in that：Outside the piston ring
Week is equipped with the groove of fitted seal circle, and air-guiding gap is left between the sealing ring and groove, and the gas off-take connects outlet
Passage and air-guiding gap.
7. a kind of bidirectional inflating pumping according to claim 1 pulls inflator, it is characterised in that：On the piston ring
Portion is equipped with upper indent, and the air inlet air guide channel is located in upper indent, and the piston ring lower part is equipped with lower indent, it is described go out conductance
Gas passage is located in lower indent.
8. a kind of bidirectional inflating pumping according to claim 7 pulls inflator, it is characterised in that：In the upper indent
Equipped with the first reinforcing rib and the second reinforcing rib, the 3rd reinforcing rib is equipped with the lower indent, the sealing ring is circular seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720864053.7U CN207261193U (en) | 2017-07-17 | 2017-07-17 | A kind of bidirectional inflating pumping pulls inflator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720864053.7U CN207261193U (en) | 2017-07-17 | 2017-07-17 | A kind of bidirectional inflating pumping pulls inflator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261193U true CN207261193U (en) | 2018-04-20 |
Family
ID=61927013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720864053.7U Active CN207261193U (en) | 2017-07-17 | 2017-07-17 | A kind of bidirectional inflating pumping pulls inflator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261193U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469627A (en) * | 2019-01-07 | 2019-03-15 | 苏州经贸职业技术学院 | A kind of centrifugal pump Portable air extraction device and centrifugal pumping apparatus |
| CN110567652A (en) * | 2019-08-15 | 2019-12-13 | 中国航空工业集团公司上海航空测控技术研究所 | Handheld cabin air tightness inspection device |
| WO2020199446A1 (en) * | 2019-03-29 | 2020-10-08 | 昆山恒熙远体育用品有限公司 | Gas cartridge |
-
2017
- 2017-07-17 CN CN201720864053.7U patent/CN207261193U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109469627A (en) * | 2019-01-07 | 2019-03-15 | 苏州经贸职业技术学院 | A kind of centrifugal pump Portable air extraction device and centrifugal pumping apparatus |
| CN109469627B (en) * | 2019-01-07 | 2024-04-26 | 苏州经贸职业技术学院 | Portable air exhaust device of centrifugal pump and centrifugal pump equipment |
| WO2020199446A1 (en) * | 2019-03-29 | 2020-10-08 | 昆山恒熙远体育用品有限公司 | Gas cartridge |
| CN110567652A (en) * | 2019-08-15 | 2019-12-13 | 中国航空工业集团公司上海航空测控技术研究所 | Handheld cabin air tightness inspection device |
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