CN208203508U - The pumping diaphragm structure of inflator pump - Google Patents
The pumping diaphragm structure of inflator pump Download PDFInfo
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- CN208203508U CN208203508U CN201820539622.5U CN201820539622U CN208203508U CN 208203508 U CN208203508 U CN 208203508U CN 201820539622 U CN201820539622 U CN 201820539622U CN 208203508 U CN208203508 U CN 208203508U
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- pumping diaphragm
- mounting groove
- piston
- inflator pump
- pumping
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Abstract
The utility model relates to a kind of pumping diaphragm structures of inflator pump, it is installed on the preceding inlet side of piston, in hollow cylindrical annular, end face and one circle mounting groove of inner annular edge setting in the preceding inlet side of piston, which is characterized in that pumping diaphragm is set in mounting groove, pumping diaphragm is arranged to circular sheet, and it is extended perpendicularly outward from outer edge and several lug bosses is set, then the circular sheet part of pumping diaphragm can be embedded in the ring part of mounting groove, several lug bosses of pumping diaphragm can respectively correspond the extension of insertion mounting groove；The pumping diaphragm uses soft rubber material.The fluorubber of the utility model bonded wear-resistant forms flexible sheet pumping diaphragm, can form elastic deformation with air pressure change, opens or closes channel, deformation is small but can satisfy inflation requirement, and small deformation makes pump housing operation more stability and high efficiency；Sheet pumping diaphragm is integrally formed, and is conducive to produce and be installed, while having simplified the structure of piston component.
Description
Technical field
The utility model relates to air charging systems, and in particular to a kind of pumping diaphragm structure of inflator pump.
Background technique
Inflator pump is used to inflate for wheel tire, ball, rubber boat etc., is driven and is operated by electric motor, control valve
It opens and closes, gas is made to enter the pump housing, then enter tire, sphere etc..The valve of inflator pump is to influence inflator pump performance
Key structure, common one-way cock are mostly the structure of valve combination spring, either the either piston of the valve at channel
The valve at end all applies spring structure, and spring structure has stability deficiency when in use, and also increases knot
The complexity of structure influences the overall volume of device.
Summary of the invention
Deficiency existing for one-way valve structures of the utility model mainly for inflator pump has invented a kind of pumping diaphragm of inflator pump
Structure, the fluorubber of bonded wear-resistant form flexible sheet pumping diaphragm, can form elastic deformation with air pressure change, open
It opens or closing passage, improves the stability of pump housing operation；Sheet pumping diaphragm is integrally formed, and is conducive to produce and be installed, simplifies simultaneously
The structure of piston component.
The above-mentioned technical problem of the utility model is carried out by the following technical programs: a kind of pumping diaphragm of inflator pump
Structure, is installed on the preceding inlet side of piston, and piston is in hollow cylindrical annular, the preceding inlet side of piston end face and inner annular edge set
A circle mounting groove is set, mounting groove includes a circle ring part, extends perpendicularly outward from the outer edge of ring part and penetrate piston side wall
Several extensions, several extensions are circumferentially uniformly distributed, which is characterized in that pumping diaphragm is set in the mounting groove,
The structure of pumping diaphragm and the structure of mounting groove match, and pumping diaphragm is arranged to circular sheet, and extends perpendicularly outward from outer edge
Several lug bosses are set, several lug bosses are circumferentially uniformly distributed, then the circular sheet part of pumping diaphragm can be embedded in
The ring part of mounting groove, several lug bosses of pumping diaphragm can respectively correspond the extension of insertion mounting groove.
The pumping diaphragm uses soft rubber material.
Preferably, the pumping diaphragm uses fluorubber material；Fluorubber material is wear-resisting, and matter is soft by elasticity, in air-breathing, inflation
During, deformation can be generated with negative pressure, realize the effect of check valve.
Preferably, the pumping diaphragm setting is there are two the lug boss for being in rectangle, two lug bosses are symmetric, and two convex
The line in the portion of rising passes through the central point of pumping diaphragm.
Preferably, the mounting groove setting is there are two the extension for being in rectangle, two extensions are symmetric, two
The line of extension passes through the central point of mounting groove.
Preferably, the preceding inlet side of the piston outer side surface setting one circle indent fixing groove, and fixing groove with
The mounting groove is connected to by extension, and fixing groove is embedded in a circle piston ring, piston ring in cylindrical annular and piston ring it is outer
Side wall surface is inclined to be extended out.In order to which the interior sidewall surface of discharge chambe fits closely, reach seal request.
Preferably, the pumping diaphragm and piston ring are integrally formed, two lug bosses of pumping diaphragm are correspondingly connected to piston respectively
The medial surface of ring.
Preferably, the pumping diaphragm and piston ring are integrally formed, using fluorubber material；Be integrally formed, it is easy to produce and
Assembly, and in reciprocating motion, piston component compact overall structure is firm, stable.
In conclusion the utility model has the advantages that compared with prior art
The fluorubber of the utility model bonded wear-resistant forms flexible sheet pumping diaphragm, can be with air pressure change shape
At elastic deformation, channel is opened or closed, deformation is small but can satisfy inflation requirement, and small deformation makes pump housing operation more
Add stability and high efficiency；Sheet pumping diaphragm is integrally formed, and is conducive to produce and be installed, while having simplified the structure of piston component.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of the utility model；
Fig. 3 is the structural schematic diagram that the utility model is applied to inflator pump；
Fig. 4 is the suction condition schematic diagram that the utility model is applied to inflator pump；
Fig. 5 is the inflated condition schematic diagram that the utility model is applied to inflator pump.
Figure label are as follows: 1, air pump shell；2, pump housing pedestal；3, airflow channel；31, air-flow promotes end；4, tracheae；5,
Two check valves；6, spring；7, discharge chambe；71, discharge chambe exports；8, piston rod；9, piston；10, piston ring；11, mounting groove；
12, pumping diaphragm；13, piston pin；14, air gauge.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1:
As described in Fig. 1,2, a kind of pumping diaphragm structure of inflator pump is installed on the preceding inlet side of piston 9, and lateral wall has in a circle
Recessed fixing groove, one circle piston ring 10 of fixing groove inner ring sleeve insertion, piston ring 10 use soft rubber material, fluorine specifically can be used
Rubber, the outer side surface of piston ring 10 is inclined to be extended out.
The preceding inlet side of the piston 9, the end face inner annular edge in preceding inlet side have a circle mounting groove 11, mounting groove 11 it is transversal
Face is rectangular in shape, and is recessed to be formed along interior sidewall surface from the inner annular edge in preceding inlet side end face face, installs pumping diaphragm in mounting groove 11
12；Pumping diaphragm 12 uses soft rubber material, and fluorubber specifically can be used.
Specifically, 11 primary structure of mounting groove is a circle ring part, two are extended perpendicularly outward from the outer edge of ring part
The extension of rectangle, extension run through the side wall of piston 9, and the extension of two rectangles is symmetrical set, and two extensions
Line passes through the central point of ring part.
And the structure of pumping diaphragm 12 and the structure of mounting groove 11 match, specifically, pumping diaphragm 12 is a circular sheet, and
And the protrusion of two symmetrical rectangles is extended perpendicularly outward from outer edge, the line of the protrusion of two rectangles passes through in pumping diaphragm 12
Heart point, then the circular sheet of pumping diaphragm 12 is partially submerged into the ring part of mounting groove 11, and two lug bosses are correspondingly embedded in peace respectively
Two extensions of tankage 11.
In fact, the fixing groove is connected to the mounting groove 11 by extension, so, pumping diaphragm 12 and piston ring 10 can
It is integrally formed, specifically, two lug bosses of pumping diaphragm 12 are correspondingly connected to the medial surface of piston ring 10 respectively；The pumping diaphragm 12 with
Piston ring 10 is integrally formed, and in actual production, pumping diaphragm and piston ring are combined into one, and is integrally formed, using elastic material, especially
It is preferred with abrasive rubber, specifically uses fluorubber, polytetrafluoroethylene (PTFE).
Concrete application:
As shown in figure 3, said pump membrane structure is applied to inflator pump, the layer structure of the inflator pump is columned hollow
Air pump shell 1 air pump shell 1 is positioned to horizontal cross for ease of description；The inside center of air pump shell 1 fixes one
A lateral pump housing pedestal 2, pump housing pedestal 2 are in the cylindrical body of horizontal cross and are fixedly connected on air pump shell 1.
In concave-convex zigzag, the inside center of pump housing pedestal 2 is the air-flow of one of lateral direction penetrating in the outside of pump housing pedestal 2
Channel 3, the left end of airflow channel 3 connect the tracheae 4 of an outside, and the right end of airflow channel 3 is that air-flow promotes end 31.
Promote end 31 that second one-way valve 5 is set in air-flow, meanwhile, air-flow promotes the setting one that wraps around at end 31 to enclose indent
Limiting slot, the opening of limiting slot connects one section of spring 6, then towards second one-way valve 5 between limiting slot and second one-way valve 5
Second one-way valve 5 is able to carry out alternating translational；Specifically, second one-way valve 5 is in ladder circle cylindricality, cross section is generally T-shaped, the
The left-half of two check valves 5 is for the lesser column part of diameter and towards spring 6, then one end of spring 6 is placed in the limit
In the slot of position, other end ring set is connected to the lesser column part of the diameter；The right half part of second one-way valve 5 is relatively large in diameter
Column part, end face curved surface spherical in shape, and the column part being relatively large in diameter use soft rubber material, and fluorine specifically can be used
Rubber, polytetrafluoroethylene (PTFE).
There is a discharge chambe 7 on the right side of second one-way valve 5, the outer layer of discharge chambe 7 is a shell, and inside is a transverse direction
Cylindrical cavity, which connect with pump housing pedestal 2, and there is a circle sealing ring in the junction of the two.
There is an opening at the left side center of discharge chambe 7, and for discharge chambe outlet 71, then the second one-way valve 5 is reciprocal
Air-flow can either be covered in translation motion and promotes end 31, can also cover discharge chambe outlet 71, the soft ball of second one-way valve 5
Shape curved surface is just covered in discharge chambe outlet 71.
Piston component is arranged in the middle part of discharge chambe 7 to right end, specifically, piston component has a lateral piston rod 8, it is living
Left end (protruding into one end inside discharge chambe 7) one piston 9 of ring set for filling in connecting rod 8, passes through between piston rod 8 and piston 9
Piston pin 13 is fixedly connected；Specifically, piston pin 13 is in left end that is vertical, passing perpendicularly through piston rod 8 and both ends are exposed, and live
9 substantially one section of cylindrical annular are filled in, the medial surface at the middle part of piston 9 has the connection slot of indent, then piston pin 13 is exposed
Both ends, which are correspondingly embedded in, to be coupled in slot.
And left end (i.e. in face of one end of discharge chambe outlet 71) above-mentioned 12 structure of pumping diaphragm of installation of piston 9.
The left end (i.e. close to one end of external tracheae 4) of the air pump shell 1, is fixedly connected with an air gauge 14, gas
The measuring rod and induction end of pressure table 14 protrude into air pump shell 1 straight down and extend to the airflow channel inside pump housing pedestal 2
3, and the display screen of air gauge 14 be it is horizontal upward, when inflation, observe barometric information at any time convenient for user.
Specific use process is as follows, and external tracheae is first connected tire.
Suction condition drives and lives as shown in figure 4, piston rod moves to right (i.e. piston rod is moved out relative to discharge chambe)
Plug is whole to move to right, and the volume of discharge chambe is made to become larger, and air pressure reduces, when air pressure is lower than tire pressure and ambient pressure, suction function
Under: (1) second one-way valve covering with discharge chambe export, and closes the airflow channel of tire and discharge chambe, prevents gas leakage；(2) pumping diaphragm
Elastic deformation is generated under the action of negative pressure, i.e. pumping diaphragm is opened, and outside air is supplemented into discharge chambe.
Shape body is inflated, as shown in figure 5, piston rod moves to left (i.e. piston rod is inwardly moved relative to discharge chambe), drives and lives
Plug is whole to move to left, and compression building volume is made to become smaller, and air pressure increases, when air pressure is higher than tire pressure and ambient pressure, suction function
Under: (1) pumping diaphragm under the action of negative pressure resile and be close to pistons end, i.e. pumping diaphragm is closed, closed compression room and extraneous gas
Circulation road prevents gas leakage；(2) air-flow that second one-way valve is covered in airflow channel promotes end, i.e. second one-way valve is opened, tire
It is connected with the airflow channel of discharge chambe, compressed air enters tire.
The driving of piston rod gear, which does not stop to make back and forth movement implementation mechanism asepwirator pump, pneumatically to be made.
Specific embodiment described in text is only to give an example to the spirit of the present invention.Belonging to the utility model
Those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitutes, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of pumping diaphragm structure of inflator pump is installed on the preceding inlet side of piston (9), piston (9) is in hollow cylindrical annular, in work
The end face of the preceding inlet side of (9) and one circle mounting groove (11) of inner annular edge setting are filled in, mounting groove (11) includes a circle ring part, from ring
The outer edge in shape portion extends perpendicularly outward and penetrates several extensions of piston (9) side wall, several extensions are circumferentially
It is uniformly distributed, which is characterized in that pumping diaphragm (12) are set in the mounting groove, the structure of pumping diaphragm (12) and the structure of mounting groove (11)
Match, pumping diaphragm (12) is arranged to circular sheet, and extends perpendicularly outward from outer edge and several lug bosses are arranged, several
A lug boss is circumferentially uniformly distributed, then the circular sheet part of pumping diaphragm (12) can be embedded in the annular of mounting groove (11)
Portion, several lug bosses of pumping diaphragm (12) can respectively correspond the extension of insertion mounting groove (11)；The pumping diaphragm (12) uses
Soft rubber material.
2. the pumping diaphragm structure of inflator pump according to claim 1, which is characterized in that the pumping diaphragm (12) uses fluorubber material
Material.
3. the pumping diaphragm structure of inflator pump according to claim 2, which is characterized in that there are two be in for pumping diaphragm (12) setting
The lug boss of rectangle, two lug bosses are symmetric, and the line of two lug bosses passes through the central point of pumping diaphragm (12).
4. the pumping diaphragm structure of inflator pump according to claim 3, which is characterized in that there are two mounting groove (11) settings
In the extension of rectangle, two extensions are symmetric, and the line of two extensions passes through the central point of mounting groove (11).
5. the pumping diaphragm structure of inflator pump according to claim 4, which is characterized in that outside the preceding inlet side of the piston (9)
The fixing groove of one circle indent of side wall surface setting, and fixing groove is connected to the mounting groove (11) by extension, in fixing groove
One circle piston ring (10) of insertion, piston ring (10) is in cylindrical annular and the outer side surface of piston ring (10) is inclined extends out.
6. the pumping diaphragm structure of inflator pump according to claim 5, which is characterized in that the pumping diaphragm (12) and piston ring (10)
It is integrally formed, two lug bosses of pumping diaphragm (12) are correspondingly connected to the medial surface of piston ring (10) respectively.
7. the pumping diaphragm structure of inflator pump according to claim 6, which is characterized in that the pumping diaphragm (12) and piston ring (10)
It is integrally formed, using fluorubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820539622.5U CN208203508U (en) | 2018-04-16 | 2018-04-16 | The pumping diaphragm structure of inflator pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820539622.5U CN208203508U (en) | 2018-04-16 | 2018-04-16 | The pumping diaphragm structure of inflator pump |
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| Publication Number | Publication Date |
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| CN208203508U true CN208203508U (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820539622.5U Active CN208203508U (en) | 2018-04-16 | 2018-04-16 | The pumping diaphragm structure of inflator pump |
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| CN (1) | CN208203508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386343A (en) * | 2018-04-16 | 2018-08-10 | 浙江华丰电动工具有限公司 | A kind of pumping diaphragm structure of inflator pump |
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2018
- 2018-04-16 CN CN201820539622.5U patent/CN208203508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386343A (en) * | 2018-04-16 | 2018-08-10 | 浙江华丰电动工具有限公司 | A kind of pumping diaphragm structure of inflator pump |
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