CN209146417U - Check-valves including valve chest, valve seat and flexible valve membrane - Google Patents
Check-valves including valve chest, valve seat and flexible valve membrane Download PDFInfo
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- CN209146417U CN209146417U CN201821852618.0U CN201821852618U CN209146417U CN 209146417 U CN209146417 U CN 209146417U CN 201821852618 U CN201821852618 U CN 201821852618U CN 209146417 U CN209146417 U CN 209146417U
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- access portal
- valve seat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/148—Check valves with flexible valve members the closure elements being fixed in their centre
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The utility model relates to include the check-valves of valve chest, valve seat and flexible valve membrane, wherein the valve chest has cylindrical part, which is constituted in cylindrical part, and orients perpendicular to the longitudinal axis of the cylindrical part.Valve seat has access portal, these access portals are respectively provided with different from circular shape, and with their maximum length valve seat extension in the radial direction.Flexible valve membrane is arranged on valve seat, the flexible valve membrane is configured at least partly opening access portal, to allow fluid to flow through cylindrical part in a first direction, or it is configured for closing passage opening, to prevent fluid from flowing through cylindrical part in a second direction.The utility model is characterized in that there is valve seat odd number access portal and/or these access portals to be respectively provided at least one circular segment section, limits access portal to the circular arc portion of the circular segment section.
Description
Technical field
The utility model relates to include the check-valves of valve chest, valve seat and flexible valve membrane.
Background technique
This check-valves with flexible valve membrane is especially applied in automotive vehicle, and in automotive vehicle for example
Used in brake boosterOn, wherein this check-valves is mounted on vacuum tank
(Unterdruckspeicher) between vacuum source (Unterdruckquelle).In this case, the anti-fluid stopping of check-valves
Body is backed up especially from the gas of vacuum source in the side of vacuum tank, so that even if in the case where cutting off vacuum source
Also it keeps vacuum (Unterdruck) and ensures that brake force is supported.
On the one hand, this check-valves should usually have lower cracking pressure, valve quickly be opened to ensure, so that fluid
Check-valves can be flowed through on circulating direction.On the other hand, it needs to have in cut-off direction (Sperrrichtung) good resistance to
Pressure property, has sufficient protection to compression shock in case of fire for example to ensure.
In order to open and close check-valves, there are multiple access portals in the valve seat of valve chest Inner ConstitutionValve film is arranged on the valve seat, these access portals are closed on cut-off direction by valve film,
And it is opened on circulating direction.For example, the valve seat with circular access portal is known.But the shortcomings that this valve seat, exists
In one side flow cross section is not used ideally, thus generates the high pressure loss inside check-valves.However, when logical
When road opening becomes larger, it is impossible to which guarantee has sufficient protection to compression shock in case of fire.For example, having not in valve seat
In the case where access portal with configuration, need to improve the maximum opening of check-valves
Utility model content
Therefore, the task of the utility model is, proposes a kind of check-valves for improving the above-mentioned starting point.
The task is addressed by check-valves discussed below.Check-valves includes valve chest and valve seat, the valve chest
With cylindrical part, which is constituted in the cylindrical part, is oriented perpendicular to the longitudinal axis of the cylindrical part.Valve
Seat tool has access portal, these access portals are respectively provided with different from circular shape, and with its maximum length in valve seat
Extend in the radial direction, i.e., extends in the flowing direction perpendicular to the longitudinal axis of cylindrical part.It is arranged on valve seat soft
Property valve film, which is configured at least partly opening access portal, to allow fluid in a first direction, i.e.,
Cylindrical part is flowed through on the circulating direction of check-valves or the flexible valve membrane is configured for closing passage opening, with
It prevents fluid in a second direction, i.e., flows up through cylindrical part in the opposite direction of check-valves or cut-off side.According to this reality
With novel, there is valve seat odd number access portal and/or these access portals to be respectively provided at least one circular segment area
Section, limits access portal to the circular arc portion of at least one circular segment section.
In valve seat so far, even number access portal has been selected, because in this way, due to symmetry example
Production is such as simplified by injection moulding tool., it is surprising that now it has been determined that valve or valve with odd number access portal
Seat shows improved maximum opening.This may be since flexible valve membrane is not lifted from valve seat equably, but from valve seat
Upper removing, therefore, access portal is successively opened.Therefore, valve seat includes 2n-1 access portal, wherein n is natural number, therefore
For example including one, three, five, seven or nine access portal.
In principle, by access portal be different from circular shape or access portal be different from circular cross-sectional shape
It is interpreted as arbitrary shape, such as egg type (oval), elongated shape with and without one or more axis of symmetryEllipse.However, the alternative or additional scheme as the valve seat with odd number access portal, leads to
Road opening itself has at least one circular segment section, which is limited by the circular arc with constant radius chord.Circle
Limit access portal to the circular arc portion of arcuate segments.In other words: a part for surrounding the edge of access portal is configured to
This part of circular arc, the i.e. edge of encirclement access portal has constant radius of curvature.The other shapes of access portal or its
His edge can be arbitrarily devised or be limited, so that the shape of access portal is different from circle on the whole.For example, it is envisioned that multiple
Circular segment section has different radius of curvature or circular segment section in conjunction with other parts of different shapes.
Here, the maximum length of access portal is interpreted as in a first direction, it is current in valve seat or cylindrical part
Maximum gauge in the radial direction or maximum span width.Valve chest surrounds flow chamber, and fluid, especially air flow through the stream
Dynamic room, and therefore pass through valve seat or access portal.
Advantageously, valve seat is integrally formed with valve chest, in this way, simplifies manufacturing process or installation, and change
Into the whole compactness of check-valves.
In advantageous embodiment, the maximum length of access portal extends each along the axis of symmetry of access portal,
And the axis of symmetry extends in radial directions.
In preferred improvement project, the maximum width of access portal --- relative to the radial direction perpendicular to valve seat
Direction --- respectively it is arranged to the outside compared with the inner end in the radial direction of access portal closer to access portal
End.
Advantageously, moreover, access portal is evenly distributedly arranged on the circumferencial direction of valve seat, i.e., respectively has to each other
Identical spacing has sufficient protection to compression shock in case of fire to ensure existing good flow behavior.
Particularly, check-valves still has the improved flow behavior adequately protected to compression shock in case of fire
It is accomplished by the following way, i.e., the minimum spacing of adjacent access portal is less than access portal relative to the radial direction perpendicular to valve seat
The maximum width in the direction in direction or respectively maximum width.
Generally speaking, advantageously, access portal accounts for the ratio of the gross area of the valve seat between 25% and 40%, special
It is not between 30% and 35%.
In view of the above-mentioned starting point, for example, access portal area and valve seat area ratio and valve seat or check-valves
Typical sizes, in a preferred embodiment, valve seat have seven access portals.
In another preferred embodiment, access portal respectively has at least two circular segment sections, wherein the first circle
The circular arc of arcuate segments limits access portal on the outside and the circular arc of the second circular segment section is open in interior lateral confinement routing,
And wherein, circular arc is connected to each other at their endpoint, especially via the line segment for limiting access portal in side
(Linienabschnitte) it is connected to each other.Here, the edge towards valve seat center for access portal being interpreted as in inside, it will
It is interpreted as the edge or face backwards to valve seat center of access portal on the outside to the edge of valve cup rim.Line segment is in side, i.e. base
In sheet on the direction from valve seat center to its edge, that is to say, that limit channel from internal to external or in the opposite direction
Opening.In this case, advantageously, it surrounds the first circle of the circular arc of the first circular segment section and surrounds the second circular segment section
Circular arc second circle have different radiuses.Particularly, the transition from circular arc to line segment is respectively in close proximity to the endpoint to circular arc
On tangential direction on carry out.
In principle, line segment can be arbitrarily bent, so that constituting between the first circular segment section and the second circular segment section
Access portal centre portion have arbitrary cross-sectional shape.Notably, however, line segment respectively forms as straight line, with
And/or the spacing between person's line segment increases on the direction of the first circular segment section from the second circular segment section.
Advantageously, moreover, it surrounds the midpoint of the first circle of the circular arc of the first circular segment section and/or surrounds the second circular segment
The midpoint of second circle of the circular arc of section is located on the straight line at midpoint that is extending in radial directions and passing through valve seat.It is alternative
Ground or additionally, the midpoint for surrounding the first circle of the circular arc of the first circular segment section be located on the circumference of the first circle and/or
The midpoint for surrounding the second circle of the circular arc of the second circular segment section is located on the circumference of the second circle, wherein the first circle
Midpoint and the midpoint of the second circle are overlapped with the midpoint of valve seat.
In order to be firmly held in flexible valve membrane on valve seat or in valve chest under open position and/or closed position
Portion, and prevent flexible valve membrane from sliding, valve seat has the guarantor for flexible valve membrane to be maintained to open position and/or closed position
Device is held, wherein the holding meanss are particularly integrally formed with valve seat.In the simple modification of structure, holding meanss are included in circle
The protruding portion that the side of the longitudinal axis of cylindrical section upwardly extends, such as sell, which passes through is constituted in flexible valve membrane
Access portal.Preferably, access portal is arranged in the centre or center of valve film, i.e., about vertically originating in valve seat and along circle
The central longitudinal axis that the longitudinal axis of cylindrical section extends symmetrically orients.
Check-valves has first interface and second interface.Here, first interface and second interface are for example pressed for connecting
Contracting air hose, which guides vacuum tank into from first interface, and guides vacuum source, such as vacuum into from second interface
Pump.
Detailed description of the invention
Other features and advantages of the utility model will be carried out more according to the description to embodiment and with reference to attached drawing below
Detailed elaboration.It is shown respectively with diagrammatic view in principle:
Fig. 1 shows the check-valves being integrated in valve module with exploded view,
Fig. 2 shows the check-valves according to Fig. 1 with the vertical section along plane II-II,
Fig. 3 shows the valve seat of check-valves with the vertical view on the direction of the arrow III according to Fig. 1,
Fig. 4 shows the detailed view of the valve seat according to Fig. 3.
Specific embodiment
Fig. 1 shows check-valves 8, such as is integrated in valve module 2 either a part of valve module 2.Check-valves 8 wraps
Valve chest 2a is included, the valve chest is in the assembled state in upside from case lid 2b and in downside from shell ends component or shell joint
2c pressure seal it is closed.Valve chest 2a have cylindrical part 3 and valve seat 28, the valve seat constituted in cylindrical part 3 and
Perpendicular to the longitudinal axis L orientation of cylindrical part 3, and there is access portal 30 (referring to fig. 2, Fig. 3 and Fig. 4).Here, valve
Seat 28 is integrally formed with valve chest 2a.
Check-valves 8 has first interface 4a and second interface 4b, with for being integrated into guidance fluid 6, (currently empty gas leads to
Arrow 6 is crossed to show) pipe-line system in, such as being integrated in the brake booster of automotive vehicle.Here, first
Interface 4a is for being connected to unshowned vacuum tank, and wherein check-valves 8 or entire valve module 2 can be not only directly integrated into
It can also be connect via compressed air hose with the vacuum tank in vacuum tank.It is not shown in general, being connected on second interface 4b
Compressed air hose, which guides unshowned vacuum source, such as vacuum pump into from second interface.
In addition, check-valves 8 further includes flexible valve membrane 10, it is herein disc valve film 10, is arranged on the valve of valve chest 2a
On seat 28.Valve seat 28 has holding meanss, is herein the pin-shaped formula that upwardly extends in the side of the longitudinal axis of cylindrical part 3
Protruding portion 32, for flexible valve membrane 10 to be not only maintained at open position but also has been maintained in its closed position.In addition, valve film 10 is fixed on
Between valve chest 2a and shell ends component 2c.Pin 32 is engaged in the through-hole 12 of valve film 10.Flexible valve membrane 10 is configured for
Access portal 30 is at least partly opened, to allow fluid 6 to flow through cylindrical part 3 in a first direction, more precisely
Second interface 4b is flowed to from first interface 4a, or is configured for closing passage opening 30, to prevent fluid 6 in second party
It flows up, that is, is flowed in first interface 4a from second interface 4b.
In Fig. 2, the check-valves 8 according to Fig. 1 is shown with the vertical section along plane II-II, wherein check-valves 8 closes
It closes, therefore, flexible valve membrane 10 abuts against on valve seat 28, and access portal 30 is closed.
In addition, valve module 2 can also include pressure receiver 14, which is for example connected to first interface 4a.
Therefore, pressure receiver 14 detects the fluid in first interface 4a or region between first interface 4a and check-valves 8
Pressure pa.Here, pressure receiver 14 includes for detecting pressure paWith the pressure sensor 16 for generating pressure measuring value.
In addition, pressure receiver 14 can also include second or more other pressure sensors 16, this should show by a dotted line
Second pressure sensor 16 illustrate, to provide the redundancy of pressure sensor 16, and thereby improve the reliability of valve module 2.It is close
Envelope element 18 seals pressure receiver 14 or pressure sensor 16, and further tolerance balancing, for example, height tolerance or
Position of related features.Pressure sensor 16 be by pressure sensor manufacturer it is prefabricated there is internal unshowned minimum electronic circuit
Component.Pressure compensation film 26 is also arranged between printed circuit board 22 and case lid 2b, which realizes valve group
The pressure balance between pressure chamber and ambient enviroment inside part 2, and prevent pollutant simultaneously etc. and invade in valve module 2.
Pressure measurement of the control and assessment unit 20 (here, being integrated into valve module 2) to being generated by pressure sensor 16
Value assess and the pressure measuring value is converted into switching signal.Here, internal control and assessment unit 20 and pressure connect
It receives device 14 or pressure sensor 16 is disposed on the printed circuit board 22 of valve module 2 or their wiring is integrated in
In printed circuit board 22.By plug connector 24, such as three needle contacts shown in FIG. 1, valve module 2 or it is integrated in
Internal control and assessment unit 20 on printed circuit board 22 can be with (unshowned) switch or (unshowned) outside other
Portion's control and assessment unit is (for example, controller (" electronic control unit (Electronic Control Unit) ") connects.
Fig. 3 shows the valve seat 28 of check-valves 8 with the vertical view on the direction of the arrow III according to Fig. 1, in Fig. 4
A part of valve seat 28 is shown with the view of amplification.According to the utility model, access portal 30, which is respectively provided with, is different from circle
Shape, and with its maximum length (LIt is maximum) extend on the radial direction R of valve seat 28.In addition, valve seat 28 also has odd number
Access portal 30 is herein seven access portals 30.The maximum opening of check-valves 8 is improved as a result,.In addition, access portal 30
Also evenly distributedly it is arranged on valve seat 28 on circumferencial direction U.
The maximum length L of each access portal 30It is maximumAll along access portal 30 axis of symmetry S extend, be herein
Extend on radial direction R.The maximum width B of access portal 30It is maximum--- the side relative to the radial direction perpendicular to valve seat
To --- it is arranged to compared with the inner end in the radial direction of access portal 30 respectively closer to the outer of access portal 30
Portion end, here, maximum width B for example can be found at about the 2/3 of the length of the access portal on radial direction RIt is maximum。
The minimum spacing A of adjacent access portal 30It is minimumLess than access portal 30 relative to the radial direction side perpendicular to valve seat 28
To the maximum width B in the direction of RIt is maximum.In addition, access portal 30 account for the ratio of the gross area of valve seat 28 between 25% and 40% it
Between, particularly between 30% and 35%.It has also ensured and has caught fire while having ensured good opening characteristic as a result,
In the case where have good protection to compression shock.
Here, access portal 30 respectively includes the first circular segment section different from circular shape or cross-sectional shape
30a, the second circular segment section 30b and centre portion 30c.Circular segment section 30a, 30b are shown with shade.First circular segment area
The circular arc 31a of section 30a limits access portal 30 on the outside, and the circular arc 31b of the second circular segment section 30b is opened in interior lateral confinement routing
Mouth 30.The string of line segment 33a, 33b and circular segment section 30a, 30b that centre portion 30c is made of two straight lines limit, because
This, has trapezoidal cross-sectional shape herein.Line segment 33a, 33b respectively side limit access portal 30, and by circular arc 31a,
31b or its endpoint are joined to one another.The spacing of line segment 33a, 33b increase on the direction of the first circular segment section 30a, and
Therefore, the width of centre portion 33c also increases.
In addition, the shape of access portal 30 is configured to herein, so that surrounding the circular arc 31a of the first circular segment section 30a
First imagine circle midpoint MaWith the midpoint M of the second circle imagined for the circular arc 31b for surrounding the second circular segment section 30bbPosition
In on the straight line G of midpoint M that is extending on radial direction R and passing through valve seat 28.In addition, surrounding the first circular segment section 30a
Circular arc 31a first circle midpoint MaPositioned at the first circle K1Circumference on, and surround the second circular segment section 30b
The midpoint M of the second circle of circular arc 31bbPositioned at the second circle K2Circumference on.In addition, the first circle K1Midpoint M1With second
Circle K2Midpoint M2It coincides with one another with the midpoint M of valve seat 28, that is to say, that access portal 30 is arranged on radial direction R
It is identical as the spacing at the center of valve seat 28.
List of reference signs
2 valve modules
2a valve chest
2b case lid
2c shell ends component
3 cylindrical parts
4a first interface
4b second interface
6 fluids
8 check-valves
10 valve films
12 through-holes
14 pressure receivers
16 pressure sensors
18 sealing elements
20 internal controls and assessment unit
22 printed circuit boards
24 plug connectors
26 pressure compensation films
28 valve seats
30 access portals
30a the first circular segment section
30b the second circular segment section
The circular arc of 31a the first circular segment section
The circular arc of 31b the second circular segment section
32 protruding portions
The first line segment of 33a
33b second line segment
LIt is maximumMaximum length
BIt is maximumMaximum width
AIt is minimumMinimum spacing
R radial direction
The S axis of symmetry
U circumferencial direction
The direction of L longitudinal axis
The straight line of G in the radial direction
MaSurround the midpoint of the first circle of the first circular segment section
MbSurround the midpoint of the second circle of the second circular segment section
K1First circle
K2Second circle
The midpoint of M valve seat
M1Surround all midpoint MaCircle K1Midpoint
M2Surround all midpoint MbCircle K2Midpoint
Claims (57)
1. a kind of check-valves (8), comprising: valve chest (2a), with cylindrical part (3)；Valve seat (28), in the cylinder
It constitutes in shape part (3), is oriented perpendicular to the longitudinal axis (L) of the cylindrical part (3), wherein valve seat (28) tool
Have access portal (30), the access portal is respectively provided with different from circular shape and with its maximum length (LIt is maximum)
Extend in the radial direction (R) of the valve seat (28)；And it is arranged in the flexible valve membrane (10) on the valve seat (28), it is described soft
Property valve film be configured at least partly opening the access portal (30), to allow fluid upper in a first direction (6)
It is configured for closing the access portal (30) through the cylindrical part or the flexible valve membrane, to prevent fluid
The cylindrical part (3) are flowed through in a second direction, which is characterized in that the valve seat (28) has odd number access portal
(30) and/or the access portal (30) respectively have at least one circular segment section (30a, 30b), described at least one
The circular arc (31a, 31b) of a circular segment section partly limits the access portal (30).
2. check-valves (8) according to claim 1, wherein the valve seat (28) is integrally formed with the valve chest (2a).
3. check-valves (8) according to claim 1 or 2, wherein the maximum length (L of access portal (30)It is maximum) edge respectively
The axis of symmetry (S) of the access portal (30) extend, and the axis of symmetry (S) extends on radial direction (R).
4. check-valves (8) according to claim 1 or 2, wherein relative to the radial direction perpendicular to the valve seat (28)
The direction in direction (R), the maximum width (B of the access portal (30)It is maximum) be arranged to respectively and the access portal (30)
Inner end in radial direction (R) compares the outer end closer to the access portal (30).
5. check-valves (8) according to claim 3, wherein relative to the radial direction side perpendicular to the valve seat (28)
To the direction of (R), the maximum width (B of the access portal (30)It is maximum) be arranged to respectively and the access portal (30)
Inner end in radial direction (R) compares the outer end closer to the access portal (30).
6. check-valves (8) described in any one of -2 and 5 according to claim 1, wherein the access portal (30) is in the valve
It is evenly distributedly arranged on the circumferencial direction of seat (28).
7. check-valves (8) according to claim 3, wherein circumference of the access portal (30) in the valve seat (28)
It is evenly distributedly arranged on direction.
8. check-valves (8) according to claim 4, wherein circumference of the access portal (30) in the valve seat (28)
It is evenly distributedly arranged on direction.
9. check-valves (8) described in any one of -2,5 and 7-8 according to claim 1, wherein adjacent access portal (30)
Minimum spacing (AIt is minimum) be less than the access portal (30) relative to the radial direction perpendicular to the valve seat (28) direction most
Big width (BIt is maximum)。
10. check-valves (8) according to claim 3, wherein the minimum spacing (A of adjacent access portal (30)It is minimum) small
In maximum width (B of the access portal (30) relative to the direction of the radial direction perpendicular to the valve seat (28)It is maximum)。
11. check-valves (8) according to claim 4, wherein the minimum spacing (A of adjacent access portal (30)It is minimum) small
In maximum width (B of the access portal (30) relative to the direction of the radial direction perpendicular to the valve seat (28)It is maximum)。
12. check-valves (8) according to claim 6, wherein the minimum spacing (A of adjacent access portal (30)It is minimum) small
In maximum width (B of the access portal (30) relative to the direction of the radial direction perpendicular to the valve seat (28)It is maximum)。
13. according to claim 1-2,5, check-valves (8) described in any one of 7-8 and 10-12, wherein the access portal
(30) ratio of the gross area of Zhan Suoshu valve seat (28) is between 25% and 40%.
14. check-valves (8) according to claim 3, wherein total face of access portal (30) the Zhan Suoshu valve seat (28)
Long-pending ratio is between 25% and 40%.
15. check-valves (8) according to claim 4, wherein total face of access portal (30) the Zhan Suoshu valve seat (28)
Long-pending ratio is between 25% and 40%.
16. check-valves (8) according to claim 6, wherein total face of access portal (30) the Zhan Suoshu valve seat (28)
Long-pending ratio is between 25% and 40%.
17. check-valves (8) according to claim 9, wherein access portal (30) the Zhan Suoshu valve seat (28) it is total
The ratio of area is between 25% and 40%.
18. check-valves (8) according to claim 13, wherein access portal (30) the Zhan Suoshu valve seat (28) it is total
The ratio of area is between 30% and 35%.
19. check-valves described in any one of 4-17 (8) according to claim 1, wherein access portal (30) the Zhan Suoshu valve
The ratio of the gross area of seat (28) is between 30% and 35%.
20. according to claim 1-2,5, check-valves (8) described in any one of 7-8,10-12 and 14-18, wherein the valve
Seat (28) has seven access portals (30).
21. check-valves (8) according to claim 3, wherein the valve seat (28) has seven access portals (30).
22. check-valves (8) according to claim 4, wherein the valve seat (28) has seven access portals (30).
23. check-valves (8) according to claim 6, wherein the valve seat (28) has seven access portals (30).
24. check-valves (8) according to claim 9, wherein the valve seat (28) has seven access portals (30).
25. check-valves (8) according to claim 13, wherein the valve seat (28) has seven access portals (30).
26. check-valves (8) according to claim 19, wherein the valve seat (28) has seven access portals (30).
27. according to claim 1-2,5, check-valves (8) described in any one of 7-8,10-12,14-18 and 21-26, wherein
The access portal (30) is respectively provided at least two circular segment sections (30a, 30b), wherein the first circular segment section (30a)
Circular arc (31a) limit the circular arc (31b) of the access portal (30) and the second circular segment section (30b) on the outside including
Lateral confinement determines the access portal (30), and wherein, the circular arc (31a) and described second of the first circular segment section (30a)
The circular arc (31b) of circular segment section (30b) is connected with each other.
28. check-valves (8) according to claim 3, wherein the access portal (30) is respectively provided at least two circulars
Shape section (30a, 30b), wherein the circular arc (31a) of the first circular segment section (30a) limits the access portal on the outside
(30) and the circular arc (31b) of the second circular segment section (30b) in interior lateral confinement determines the access portal (30), and wherein, institute
The circular arc (31b) of the circular arc (31a) and the second circular segment section (30b) of stating the first circular segment section (30a) is connected with each other.
29. check-valves (8) according to claim 4, wherein the access portal (30) is respectively provided at least two circulars
Shape section (30a, 30b), wherein the circular arc (31a) of the first circular segment section (30a) limits the access portal on the outside
(30) and the circular arc (31b) of the second circular segment section (30b) in interior lateral confinement determines the access portal (30), and wherein, institute
The circular arc (31b) of the circular arc (31a) and the second circular segment section (30b) of stating the first circular segment section (30a) is connected with each other.
30. check-valves (8) according to claim 6, wherein the access portal (30) is respectively provided at least two circulars
Shape section (30a, 30b), wherein the circular arc (31a) of the first circular segment section (30a) limits the access portal on the outside
(30) and the circular arc (31b) of the second circular segment section (30b) in interior lateral confinement determines the access portal (30), and wherein, institute
The circular arc (31b) of the circular arc (31a) and the second circular segment section (30b) of stating the first circular segment section (30a) is connected with each other.
31. check-valves (8) according to claim 9, wherein the access portal (30) is respectively provided at least two circulars
Shape section (30a, 30b), wherein the circular arc (31a) of the first circular segment section (30a) limits the access portal on the outside
(30) and the circular arc (31b) of the second circular segment section (30b) in interior lateral confinement determines the access portal (30), and wherein, institute
The circular arc (31b) of the circular arc (31a) and the second circular segment section (30b) of stating the first circular segment section (30a) is connected with each other.
32. check-valves (8) according to claim 13, wherein the access portal (30) is respectively provided at least two circles
Arcuate segments (30a, 30b), wherein the circular arc (31a) of the first circular segment section (30a) limits the access portal on the outside
(30) and the circular arc (31b) of the second circular segment section (30b) in interior lateral confinement determines the access portal (30), and wherein, institute
The circular arc (31b) of the circular arc (31a) and the second circular segment section (30b) of stating the first circular segment section (30a) is connected with each other.
33. check-valves (8) according to claim 19, wherein the access portal (30) is respectively provided at least two circles
Arcuate segments (30a, 30b), wherein the circular arc (31a) of the first circular segment section (30a) limits the access portal on the outside
(30) and the circular arc (31b) of the second circular segment section (30b) in interior lateral confinement determines the access portal (30), and wherein, institute
The circular arc (31b) of the circular arc (31a) and the second circular segment section (30b) of stating the first circular segment section (30a) is connected with each other.
34. check-valves (8) according to claim 20, wherein the access portal (30) is respectively provided at least two circles
Arcuate segments (30a, 30b), wherein the circular arc (31a) of the first circular segment section (30a) limits the access portal on the outside
(30) and the circular arc (31b) of the second circular segment section (30b) in interior lateral confinement determines the access portal (30), and wherein, institute
The circular arc (31b) of the circular arc (31a) and the second circular segment section (30b) of stating the first circular segment section (30a) is connected with each other.
35. check-valves (8) according to claim 27, wherein the circular arc (31a) of the first circular segment section (30a)
With the circular arc (31b) of the second circular segment section (30b) by limited in side the access portal (30) line segment (33a,
33b) it is connected with each other.
36. the check-valves (8) according to any one of claim 28-34, wherein the first circular segment section (30a)
Circular arc (31a) and the circular arc (31b) of the second circular segment section (30b) pass through and limit the access portal (30) in side
Line segment (33a, 33b) be connected with each other.
37. check-valves (8) according to claim 35, wherein the line segment (33a, 33b) is respectively configured to be straight line
, and/or, wherein the spacing between the line segment (33a, 33b) from the second circular segment section (30b)
Increase on the direction of the first circular segment section (30a).
38. check-valves (8) according to claim 36, wherein the line segment (33a, 33b) is respectively configured to be straight line
, and/or, wherein the spacing between the line segment (33a, 33b) from the second circular segment section (30b)
Increase on the direction of the first circular segment section (30a).
39. check-valves (8) according to claim 27, wherein surround the circular arc of the first circular segment section (30a)
Midpoint (the M of first circle of (31a)a) and/or surround the second circular segment section (30b) circular arc (31b) second circle
Midpoint (Mb) be located on the straight line (G) at midpoint (M) that is extending on radial direction (R) and passing through the valve seat (28), with
And/or person surrounds the midpoint (M of the first circle of the circular arc (31a) of the first circular segment section (30a)a) it is located at the first circle
(K1) circumference on and/or surround the second circular segment section (30b) circular arc (31b) the second circle midpoint (Mb) position
In the second circle (K2) circumference on, wherein the first circle (K1) midpoint (M1) and the second circle (K2) in
Point (M2) be overlapped with the midpoint (M) of the valve seat (28).
40. the check-valves (8) according to any one of claim 28-35 and 37-38, wherein surround first circular
Midpoint (the M of first circle of the circular arc (31a) of shape section (30a)a) and/or surround the circle of the second circular segment section (30b)
Midpoint (the M of second circle of arc (31b)b) it is located at midpoint (M) that is extending on radial direction (R) and passing through the valve seat (28)
Straight line (G) on, and/or surround the midpoint (M of the first circle of the circular arc (31a) of the first circular segment section (30a)a)
Positioned at the first circle (K1) circumference on and/or surround the second circular segment section (30b) circular arc (31b) the second circle
Midpoint (Mb) it is located at the second circle (K2) circumference on, wherein the first circle (K1) midpoint (M1) and described second
Circle (K2) midpoint (M2) be overlapped with the midpoint (M) of the valve seat (28).
41. check-valves (8) according to claim 36, wherein surround the circular arc of the first circular segment section (30a)
Midpoint (the M of first circle of (31a)a) and/or surround the second circular segment section (30b) circular arc (31b) second circle
Midpoint (Mb) be located on the straight line (G) at midpoint (M) that is extending on radial direction (R) and passing through the valve seat (28), and/
Or surround the midpoint (M of the first circle of the circular arc (31a) of the first circular segment section (30a)a) it is located at the first circle (K1)
On circumference and/or surround the second circular segment section (30b) circular arc (31b) the second circle midpoint (Mb) it is located at second
Circle (K2) circumference on, wherein the first circle (K1) midpoint (M1) and the second circle (K2) midpoint (M2)
It is overlapped with the midpoint (M) of the valve seat (28).
42. according to claim 1-2,5, described in any one of 7-8,10-12,14-18,21-26,28-35,37-39 and 41
Check-valves (8), wherein the valve seat (28) has for the flexible valve membrane (10) to be maintained at open position and/or closing
The holding meanss of position.
43. check-valves (8) according to claim 3, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
44. check-valves (8) according to claim 4, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
45. check-valves (8) according to claim 6, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
46. check-valves (8) according to claim 9, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
47. check-valves (8) according to claim 13, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
48. check-valves (8) according to claim 19, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
49. check-valves (8) according to claim 20, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
50. check-valves (8) according to claim 27, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
51. check-valves (8) according to claim 36, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
52. check-valves (8) according to claim 40, wherein the valve seat (28) has for by the flexible valve membrane
(10) holding meanss of open position and/or closed position are maintained at.
53. check-valves (8) according to claim 42, wherein the holding meanss are integrally formed with the valve seat (28).
54. the check-valves (8) according to any one of claim 43-52, wherein the holding meanss and the valve seat
(28) it is integrally formed.
55. check-valves (8) according to claim 42, wherein the holding meanss are included in the cylindrical part (3)
Longitudinal axis (L) the protruding portion (32) that upwardly extends of side, the through-hole of flexible valve membrane (10) described in the protruding portion break-through
(12)。
56. the check-valves (8) according to any one of claim 43-53, wherein the holding meanss are included in the circle
The protruding portion (32) that the side of the longitudinal axis (L) of cylindrical section (3) upwardly extends, flexible valve membrane described in the protruding portion break-through
(10) through-hole (12).
57. check-valves (8) according to claim 54, wherein the holding meanss are included in the cylindrical part (3)
Longitudinal axis (L) the protruding portion (32) that upwardly extends of side, the through-hole of flexible valve membrane (10) described in the protruding portion break-through
(12)。
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202017106825 | 2017-11-09 | ||
| DE202017106825.0 | 2017-11-09 | ||
| DE202017107888.4U DE202017107888U1 (en) | 2017-11-09 | 2017-12-22 | Non-return valve comprising a valve housing, a valve seat and a flexible valve membrane |
| DE202017107888.4 | 2017-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209146417U true CN209146417U (en) | 2019-07-23 |
Family
ID=64457884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821852618.0U Active CN209146417U (en) | 2017-11-09 | 2018-11-09 | Check-valves including valve chest, valve seat and flexible valve membrane |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209146417U (en) |
| DE (1) | DE202017107888U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137502A (en) * | 2020-01-16 | 2021-07-20 | 艾福迈精密部件公司 | Check valve and method for producing a check valve |
-
2017
- 2017-12-22 DE DE202017107888.4U patent/DE202017107888U1/en active Active
-
2018
- 2018-11-09 CN CN201821852618.0U patent/CN209146417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113137502A (en) * | 2020-01-16 | 2021-07-20 | 艾福迈精密部件公司 | Check valve and method for producing a check valve |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202017107888U1 (en) | 2018-11-12 |
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