CN101636585A - Vacuum diaphragm pump unit - Google Patents
Vacuum diaphragm pump unit Download PDFInfo
- Publication number
- CN101636585A CN101636585A CN200880008316A CN200880008316A CN101636585A CN 101636585 A CN101636585 A CN 101636585A CN 200880008316 A CN200880008316 A CN 200880008316A CN 200880008316 A CN200880008316 A CN 200880008316A CN 101636585 A CN101636585 A CN 101636585A
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- China
- Prior art keywords
- diaphragm
- membrane cover
- barrier film
- pump
- pump unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/047—Pumps having electric drive
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/06—Milking pumps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/80—Suction pumps
- A61M1/82—Membrane pumps, e.g. bulbs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/03—Stopping, starting, unloading or idling control by means of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/12—Kind or type gaseous, i.e. compressible
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pediatric Medicine (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention relates to a vacuum diaphragm pump unit, which comprises a dimensionally stable diaphragm base (1), a dimensionally stable one-piece diaphragm cover (3) having a bottom area and a side wall (36) that extends around the bottom area and widens towards the exterior, and a one-piece pump diaphragm (2) which has a diaphragm plate (20), a flexible diaphragm piston (21), at least one inlet valve flap (23) and at least one outlet valve flap (24). The diaphragm plate (20) is interposed between the diaphragm base (1) and the diaphragm cover (3). The pump diaphragm (2) and the diaphragm cover (3) are interconnected in a predetermined position with respect to each other via connecting elements (15, 15', 15''). The diaphragm piston (21) extends through the diaphragm base (1) and the diaphragm piston (21) covers a pump chamber (31) of the diaphragm cover (3). The invention is characterized in that more than three connecting elements (15, 15', 15'') are present and are integrally bonded and/or form-locked.
Description
Technical field
The present invention relates to a kind of vacuum diaphragm pump unit as described in the preamble according to claim 1.
Background technique
The vacuum diaphragm pump unit of known a kind of part as breast pump from US 4 964 851 for example.Breast pump has electric motor, by means of the connecting rod of motor driven and the pump diaphragm that is attached thereto.Pump diaphragm remains in the barrier film framework and with membrane cover and forms pump chamber.In the pump that can obtain from the market, barrier film framework, pump diaphragm and membrane cover interconnect by means of the extruding link, and wherein three of the barrier film framework pins remain in the corresponding hole in the membrane cover with the friction ways of connecting for this reason.
US 7 070 400 has also disclosed a kind of diaphragm pump unit of the same type of vacuum pump, and wherein here barrier film has the diaphragm piston of the recess that has the back.Membrane cover limit have that flat base section and taper ground outwards widens around the space of sidewall.This space covers and forms pump chamber by diaphragm piston.
EP 0 744 180 has illustrated a kind of vacuum diaphragm pump equally, and still described vacuum diaphragm pump is applicable to and uses two suction connectors simultaneously.
In addition, WO 2006/032156 illustrates a kind of diaphragm pump, and described diaphragm pump has by interconnective three case members of snap elements.
Summary of the invention
The objective of the invention is, a kind of vacuum diaphragm pump unit with process stability of raising is provided.
The vacuum diaphragm pump unit of the feature of this purpose by having claim 1 is achieved.
Vacuum diaphragm pump unit according to the present invention has: the barrier film framework of dimensionally stable; The membrane cover of the one of dimensionally stable, described membrane cover has the pump chamber that has bottom section and sidewall, this bottom section of described side walls enclose and outwards widen away from this bottom section; And the pump diaphragm of one, described pump diaphragm has diaphragm plate, pliable and tough diaphragm piston, at least one inlet flap and at least one outlet flap, wherein diaphragm plate is arranged between barrier film framework and the membrane cover, and barrier film framework, pump diaphragm and membrane cover interconnect on preposition by means of connecting element.Diaphragm piston passes the barrier film framework and diaphragm piston forms pump chamber or covers this pump chamber with membrane cover.According to the present invention, there is the connecting element more than three, wherein they form material and/or shape joint.
Connecting element is with the barrier film framework and membrane cover interconnects and pump diaphragm remains between barrier film framework and the membrane cover.Can pass or remain between the connecting element by connecting element at this pump diaphragm.
Material and/or shape engage not to be guaranteed to connect and can automatically or owing to vibrating unclamp.Formerly under the situation that the friction of using connects, between each parts, that is to say that the connection between framework, barrier film and lid may be unclamped, especially when pump causes vibration in the natural vibration scope of device.
Simplified assembling in addition.Usually manually assemble.In fact proof, therefore when having a plurality of connecting element and having a plurality of position than easy when necessary three corresponding positions of manual alignment.Therefore reduced the danger of tilting.
Although use connecting element more than three in fact can cause uncertainty, show total shape stability that can be improved as static state.Therefore use more than three, especially six to 12 connecting element cause the advantages of higher stability and the longitudinal rigidity of device.Therefore membrane cover and barrier film framework can not twist, and the unit has the sealing of raising or the danger that the unit leaks owing to temperature change, vibration or fatigue of materials is minimized.Preferably use nine connecting element that are distributed on the fringe region.
Owing to use a plurality of connecting element also to improve the natural frequency of system.Improved acoustic characteristic.Reduced the tendency of background noise during aspiration procedure.
Bindiny mechanism is preferably the pin that is fixed in the bearing.For example they can be bonded, welding or riveted joint.But for example also can using, the shape joint element of snak link, pine tree formula spring latch and kindred organization substitutes pin.
It also is possible using shape and material to engage in addition, for example the pine tree formula spring latch by welding.
In preferred form of implementation, membrane cover has the thickness that roughly is formed uniformly on its whole surface.Therefore prevent warpage and distortion equally and improved sealing.
Can make at low cost according to vacuum pump unit of the present invention, especially just form because of it by three parts, the wherein parts of two dimensionally stables---barrier film framework and membrane cover can be with die casting by the plastics manufacturings, and pump diaphragm preferably with die casting by the liquid silicone resin manufacturing.
This vacuum pump unit is preferably used in the humalactor with the suction breast milk.Yet it also is applicable to other vacuum pump, for example draining pump.
Other favourable form of implementation is shown by dependent claims.
Description of drawings
Below will be by means of setting forth theme of the present invention in the preferred embodiment shown in the appended accompanying drawing.Accompanying drawing illustrates:
Fig. 1 illustrates the three-dimensional exploded view that vacuum diaphragm pump unit according to the present invention is seen from the top;
Fig. 2 illustrates the three-dimensional exploded view of seeing from the below according to the vacuum diaphragm pump unit of Fig. 1;
Fig. 3 illustrates the stereogram of barrier film framework;
Fig. 4 is illustrated in the stereogram of the membrane cover in second form of implementation;
Fig. 5 illustrates the stereogram of fixing pin;
Fig. 6 illustrates the exploded view of the barrier film framework with electric motor; And
Fig. 7 is illustrated in the three-dimensional exploded view of the vacuum diaphragm pump unit in another form of implementation.
Embodiment
Use as mentioned below and the indication of direction hereinafter.These relate to the structure of each parts in the drawings and do not relate to the mounting point according to vacuum diaphragm pump unit of the present invention in vacuum pump.
Vacuum diaphragm pump unit according to the present invention according to Fig. 1 has barrier film framework 1, pump diaphragm 2 and membrane cover 3.Preferably each all constitutes all these parts integratedly.Barrier film framework 1 and membrane cover 3 be dimensionally stable and preferably be made of plastics with die casting, for example make by the thermoplastic plastics of for example polyester.Pump diaphragm 2 also constitutes integratedly and is made by liquid silicone resin with die casting.
Have at the electric motor shown in Fig. 64 on the side relative with baffle plate 16 of substrate, described electric motor 4 is connected with the described below connecting rod link 26 of pump diaphragm by unshowned connecting rod.
As being clear that in Fig. 2, baffle plate 16 is provided with the inlet opening 13 of pointing to pump diaphragm 2.This inlet opening 13 is by connecting passage 13 " with this connecting passage 13 " inlet channel 13 ' that is connected is in communication with the outside.This can be clear that in Fig. 3.
In addition, now as can be clear that once more that in Fig. 1 substrate 10 has path 10 in its surface ', described path 10 ' ends at the through hole 10 in the baffle plate 16 " in.This is used for the assembling of unshowned vacuum conditions pin.
In Fig. 2, can find out, exist in the bottom surface of substrate 10 around first seal groove 12.The groove that this first seal groove 12 surrounds through hole 11, inlet opening 13 and forms outlet passage 14.This outlet passage 14 be arranged on through hole 11 on diameter with respect to the side of inlet opening 13, and end on the side margin of substrate 10.On this end, substrate has upper channel link 17, and described upper channel link 17 has the form of the convex portion that has the U-shaped longitudinal section.
Molded integratedly formation is downwards towards the connecting element of pump diaphragm projection on substrate 10.In this form of implementation, these connecting element are essentially columniform pin 15,15 ', 15 ".But also can there be for example other link of snap-lock element.In this case, the best molded outward edge that is formed on substrate of snap-lock element.This second form of implementation shown in Figure 7.On the barrier film framework 1, around end face on moldedly be formed with fastener 151, and seizing type shackle 152 molded being formed on the membrane cover 3 that are complementary with it.Pump diaphragm 2 does not need connecting element, but is clamped at simply between membrane cover 3 and the barrier film framework 1.
In the simplest form of implementation, all pins constitute identical length and identical thickness.Yet also can use difform pin, as being exactly this situation here.Some pins---at least two relative pins 15 preferably ", constitute locating stud and have columniform matrix and the tip of tapered or taper.Some pins---here be first pin 15, have diameter greater than second pin 15 '.Pin 15,15 ', 15 " also can be provided with vertical flank 150, as shown in FIG. 5.
Also possible is, sells molded and is formed on the membrane cover or the part pin is arranged on the barrier film framework and part is arranged on the membrane cover.This is shown in Figure 4.
The following pump diaphragm 2 that is arranged on substrate 10 has the diaphragm plate 20 of plane parallel ground formation basically equally.This diaphragm plate 20 has almost the basal plane identical with substrate 10.Gradually become in diaphragm plate 20 zone therebetween from diaphragm plate 20 and make progress towards the diaphragm piston 21 of substrate 10 projections.Diaphragm piston 21 constitutes hood-like, wherein it preferably have circlewise around recess.The connecting rod base 26 molded centres that are formed on diaphragm piston 20 with hollow cylinder form.Connecting rod can easily insert in this seat 26 and shape engages and power remains on wherein ordinatedly.
There is horseshoe-shaped inlet flap 23 in a side in diaphragm piston 21.Diaphragm plate 20 has two horseshoe-shaped equally basically outlet flaps 24 that are provided with at a distance of certain distance in a relative side of diaphragm piston 21.Also can exist more than one or be less than two flap 23,24.
With it similarly, diaphragm plate 20 its have on the bottom surface of membrane cover 3 around lower seal lip 28, described lower seal lip 28 is same to surround diaphragm piston 21 and flap 23,24 and to lower process.Two sealing lips 22,28 are preferably consistent.
Yet also possible is, it is not consistent only having in two sealing lips one or they.Also can exist seal groove to come replacement seal lip and membrane cover and/or diaphragm frame to set up corresponding sealing lip or sealing the margin.
Convex portion 27 is molded to be formed on the side margin of diaphragm plate 20, and described convex portion protrudes in the edge, but flushes with the end face and the bottom surface of plate 20 in others.
In the outside of sealing lip 22,28, diaphragm plate 20 is passed by first and second fastener holes 25,25 ', described fastener hole 25,25 ' diameter preferably be equivalent to or less times greater than the relevant pin 15,15 ', 15 of substrate 10 ".
Projection is molded to be formed on the side margin of cover plate 30, and described projection and vertical sidewall form lower channel link 37.This lower channel link 37 forms with respect to the counterpart of upper channel link 17 and therefore preferably has the U-shaped longitudinal section.The above-mentioned convex portion 27 of pump diaphragm 2 is sized to make it corresponding to the basal plane of passage link 17,37 and remain in these passages.
Exist in the outside of second seal groove 32 and to hold locating stud and fixed pin 15,15 ', 15 " bearing hole 35,35 ', 35 ".These holes 35,35 ', 35 " on the end face of cover plate 30, flush with this cover plate.Yet they constitute and hold socket on the bottom surface of cover plate, and wherein they preferably interconnect by stiffening rib 38.Socket side within it also can be provided with stiffening rib or have the location auxiliary member.Socket preferably has non-circular internal cross section, and socket is preferably polygonal.This has improved and the pin connection stability once more.
Can be clear that in Fig. 2 the bottom surface of cover plate 30 constitutes the element opposite configuration with molded formation in the end face of cover plate.That is to say that the recess of end face constitutes extension downwards and end face in the bottom surface rising part correspondingly sink in the bottom surface.Therefore cover plate 30 roughly has the thickness that remains unchanged on the whole zone of basal plane or most of zone.Yet this is applicable to all places.For example this is not suitable in the zone of the strengthening web between other the possible rising part between the socket or in the bottom surface.Also can use such structuring cover plate in vacuum pump unit, the connecting element frictional engagement or the power of described vacuum pump unit connect each parts ordinatedly.
Under the state according to the assembling of unit of the present invention, pump diaphragm 2 or its diaphragm plate 20 are sandwiched between the cover plate 30 of the substrate 10 of barrier film framework 1 and diaphragm plate 3.Pass through hole 11 and can move up and down in this diaphragm piston 21 according to motor.Diaphragm piston 21 covers pump chamber 31, and because the outer diameter of diaphragm piston 21 is identical with the outer diameter of the sidewall 36 of pump chamber 31, or greater than the outer diameter of the sidewall 36 of pump chamber 31, so diaphragm piston 21 sealing pump chamber 31 except entrance and exit passage 33 ', 34.
Fixed pin 15,15 ', 15 " pass pump diaphragm 2 fastener hole 25,25 ' and shape engage that ground inserts membrane cover 3 hold socket 35,35 ', 35 " in.In addition, fixed pin is bonded in by means of tackiness agent and holds in the socket or otherwise material joint ground connection.Fixed pin for example can be by ultrasonic welding, Vibration Welding, by high frequency welding or ultrasound riveted joint.
Because this accurate localization of three independent parts, so inlet opening 13 is positioned at inlet flap 23 tops and inlet flap 23 is positioned at inlet recess 33 tops.The outlet passage 14 of barrier film framework 1 is positioned at outlet flap 24 tops and exports outlet passage 34 tops that flap 24 is positioned at membrane cover.
Last sealing lip and lower seal lip 22,28 lay respectively in first and second seal grooves 12,32 and therefore to external sealed respectively so area surrounded.
The sidewall of lower channel link 37 flexibly surrounds the sidewall of upper channel link 17 and therefore forms the shape joint and the power cooperation of sealing.The convex portion 27 of pump diaphragm 2 is positioned on the lower channel link 37.
Under the state of the assembling of unit, diaphragm piston 21 is passed the through hole 11 of substrate 10.
The reference marker inventory
1 barrier film framework
10 substrates
10 ' passage
10 " through hole
11 through holes
12 first seal grooves
13 ingates
13 ' access road
13 " connecting passage
14 outlet passages
15 first fixing pins
15 ' second fixing pin
15 " locating stud
150 vertical flanks
151 fasteners
152 seizing type shackles
16 baffle plates
17 upper channel links
18 suction ports
18 ' sucking pipe
19 pump unit bearings
2 pump diaphragms
20 diaphragm plates
21 diaphragm piston
Sealing lip on 22
23 inlet flaps
24 outlet flaps
25 first fastener holes
25 ' second fastener hole
26 connecting rod links
27 convex portions
28 lower seal lips
3 membrane cover
30 cover plates
31 pump chambers
32 second seal grooves
33 inlet recesses
33 ' inlet channel
34 outlet passages
35 first bearing holes
35 ' second bearing hole
35 " positioning hole
36 sidewalls
37 lower channel links
38 stiffening ribs
4 electric motors
Claims (22)
1. vacuum diaphragm pump unit, it has: the barrier film framework (1) of dimensionally stable; The membrane cover of the one of dimensionally stable (3), described membrane cover (3) have the pump chamber (31) that has bottom section and sidewall (36), and described sidewall (36) surrounds described bottom section and outwards widens away from described bottom section; And the pump diaphragm of one (2), described pump diaphragm (2) has diaphragm plate (20), pliable and tough diaphragm piston (21), at least one inlet flap (23) and at least one outlet flap (24), wherein said diaphragm plate (20) is arranged between described barrier film framework (1) and the described membrane cover (3), and barrier film framework (1), pump diaphragm (2) and membrane cover (3) are by means of connecting element (15,15 ', 15 ") on preposition, interconnect; wherein said diaphragm piston (21) is passed described barrier film framework (1); and wherein said diaphragm piston (21) covers the pump chamber (31) of described membrane cover (3); it is characterized in that, have connecting element more than three (15; 15 '; 15 ") and their form material and/or shape engages.
2. vacuum pump unit as claimed in claim 1, wherein said connecting element (15,15 ', 15 ") insert in the bearing hole (35,35 ', 35 ") of described barrier film framework (1) and/or described diaphragm plate (3) and with described barrier film framework (1) and/or described diaphragm plate (3) welding, riveted joint or bonding.
3. wherein there are six to 12 in vacuum pump unit as claimed in claim 1 or 2, best nine connecting element (15,15 ', 15 ").
4. as each described vacuum pump unit in the claim 1 to 3, wherein said connecting element (15,15 ', 15 ") only passes described pump diaphragm (2) in the outer edge zone may of described pump diaphragm (2).
5. as each described vacuum pump unit in the claim 1 to 4, wherein said membrane cover (3) roughly fully has the thickness that remains unchanged on its whole surface.
6. as each described vacuum pump unit in the claim 1 to 5, and wherein said connecting element (15,15 ', 15 ") be pin or spring clip element.
7. as each described vacuum pump unit in the claim 1 to 6, at least a portion of wherein said connecting element (15,15 ', 15 ") is arranged on the described barrier film framework (1).
8. as each described vacuum pump unit in the claim 1 to 7, at least a portion of wherein said connecting element (15,15 ', 15 ") is arranged on the described membrane cover (3).
9. as each described vacuum pump unit in the claim 1 to 8, wherein said membrane cover (3) is made of plastics with described barrier film framework (1) and described connecting element (15,15 ', 15 ") is connected integratedly with described membrane cover (3) or described barrier film framework (1).
10. as each described vacuum pump unit in the claim 1 to 9, at least a portion of wherein said connecting element (15,15 ', 15 ") is provided with vertical flank.
11. as each described vacuum pump unit in the claim 1 to 10, at least a portion of wherein said connecting element (15,15 ', 15 ") is provided with the location auxiliary member.
12. as each described vacuum pump unit in the claim 1 to 11, wherein said membrane cover (3) and/or described barrier film framework (1) have the bearing (35,35 ', 35 ") of the receptacle-shaped that is used to hold described connecting element (15,15 ', 15 ").
13. vacuum pump unit as claimed in claim 12, and the bearing of wherein said receptacle-shaped (35,35 ', 35 ") interconnect by flank (38).
14. as claim 12 or 13 described vacuum pump units, wherein said bearing (35,35 ', 35 ") has non-circular, especially polygonal cross section.
15. as each described vacuum pump unit in the claim 1 to 14, wherein said diaphragm plate (20) has the inlet flap and exports flap (23,24) and have first sealing lip (22) in a side, wherein said sealing lip (22) fully surrounds described diaphragm piston (21) and described inlet flap and outlet flap (23,24) is positioned at by described sealing lip (22) area surrounded, and wherein said connecting element (15,15 ', 15 ") described around sealing lip (22) outside pass described diaphragm plate (20).
16. vacuum pump unit as claimed in claim 15, wherein said diaphragm plate (20) has second sealing lip (28) that cooperates with described first sealing lip (22) on opposite side, described second sealing lip (28) surrounds described diaphragm piston (21) and described entrance and exit flap (23,24) equally.
17. vacuum pump unit as claimed in claim 16, wherein said first and second sealing lips (22,28) are consistent.
18. as each described vacuum pump unit in the claim 1 to 17, wherein said pump diaphragm (2) is made of integratedly pliable and tough material.
19. a vacuum diaphragm pump unit, it has: the barrier film framework (1) of dimensionally stable; The membrane cover of the one of dimensionally stable (3), described membrane cover (3) have the pump chamber (31) that has bottom section and sidewall (36), and described sidewall (36) surrounds described bottom section and outwards widens away from described bottom section; And the pump diaphragm of one (2), described pump diaphragm (2) has diaphragm plate (20), pliable and tough diaphragm piston (21), at least one inlet flap (23) and at least one outlet flap (24), wherein said diaphragm plate (20) is arranged between described barrier film framework (1) and the described membrane cover (3), and barrier film framework (1), pump diaphragm (2) and membrane cover (3) are by means of connecting element (15,15 ', 15 ") on preposition, interconnect; wherein said diaphragm piston (21) is passed described barrier film framework (1); and wherein said diaphragm piston (21) covers the pump chamber (31) of described membrane cover (3); it is characterized in that, have connecting element more than three (15; 15 '; 15 ").
20. a vacuum diaphragm pump unit, it has: the barrier film framework (1) of dimensionally stable; The membrane cover of the one of dimensionally stable (3), described membrane cover (3) have the pump chamber (31) that has bottom section and sidewall (36), and described sidewall (36) surrounds described bottom section and outwards widens away from described bottom section; And the pump diaphragm of one (2), described pump diaphragm (2) has diaphragm plate (20), pliable and tough diaphragm piston (21), at least one inlet flap (23) and at least one outlet flap (24), wherein said diaphragm plate (20) is arranged between described barrier film framework (1) and the described membrane cover (3), and barrier film framework (1), pump diaphragm (2) and membrane cover (3) are by means of connecting element (15,15 ', 15 ") on preposition, interconnect; wherein said diaphragm piston (21) is passed described barrier film framework (1); and wherein said diaphragm piston (21) covers the pump chamber (31) of described membrane cover (3); it is characterized in that, described connecting element (15; 15 '; 15 ") formation material and/or shape joint.
21. a vacuum diaphragm pump unit, it has: the barrier film framework (1) of dimensionally stable; The membrane cover of the one of dimensionally stable (3), described membrane cover (3) have the pump chamber (31) that has bottom section and sidewall (36), and described sidewall (36) surrounds described bottom section and outwards widens away from described bottom section; And the pump diaphragm of one (2), described pump diaphragm (2) has diaphragm plate (20), pliable and tough diaphragm piston (21), at least one inlet flap (23) and at least one outlet flap (24), wherein said diaphragm plate (20) is arranged between described barrier film framework (1) and the described membrane cover (3), and barrier film framework (1), pump diaphragm (2) and membrane cover (3) are by means of connecting element (15,15 ', 15 ") on preposition, interconnect; wherein said diaphragm piston (21) is passed described barrier film framework (1); and wherein said diaphragm piston (21) covers the pump chamber (31) of described membrane cover (3); it is characterized in that described membrane cover (3) roughly fully has the thickness that remains unchanged on its whole surface.
22. vacuum pump unit as claimed in claim 21, wherein said membrane cover (3) have back to described pump diaphragm (2) bottom surface, described bottom surface constitutes in structurized mode.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH4052007 | 2007-03-13 | ||
| CH405/07 | 2007-03-13 | ||
| PCT/CH2008/000086 WO2008110022A2 (en) | 2007-03-13 | 2008-03-04 | Vacuum diaphragm pump unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101636585A true CN101636585A (en) | 2010-01-27 |
| CN101636585B CN101636585B (en) | 2012-02-22 |
Family
ID=38910890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008800083168A Expired - Fee Related CN101636585B (en) | 2007-03-13 | 2008-03-04 | Vacuum diaphragm pump unit |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US20100086419A1 (en) |
| EP (1) | EP2129915A2 (en) |
| JP (1) | JP2010520962A (en) |
| KR (1) | KR20090118065A (en) |
| CN (1) | CN101636585B (en) |
| AU (1) | AU2008226308A1 (en) |
| BR (1) | BRPI0808211A2 (en) |
| CA (1) | CA2679865A1 (en) |
| MX (1) | MX2009009807A (en) |
| RU (1) | RU2472967C2 (en) |
| TW (1) | TW200900586A (en) |
| WO (1) | WO2008110022A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712535A (en) * | 2014-11-05 | 2015-06-17 | 东莞市天昶机电制造有限公司 | Noise reduction compressor for medical vaporizer |
| CN109611315A (en) * | 2019-01-25 | 2019-04-12 | 东莞市简爱母婴用品有限公司 | The vacuum pump and breast pump of integrated pump valve |
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| ES2340085T5 (en) | 2006-09-28 | 2014-04-16 | Smith & Nephew, Inc. | Portable wound therapy system |
| GB0723855D0 (en) | 2007-12-06 | 2008-01-16 | Smith & Nephew | Apparatus and method for wound volume measurement |
| GB201015656D0 (en) | 2010-09-20 | 2010-10-27 | Smith & Nephew | Pressure control apparatus |
| US9084845B2 (en) | 2011-11-02 | 2015-07-21 | Smith & Nephew Plc | Reduced pressure therapy apparatuses and methods of using same |
| US9427505B2 (en) | 2012-05-15 | 2016-08-30 | Smith & Nephew Plc | Negative pressure wound therapy apparatus |
| AU2014348695B2 (en) * | 2013-11-15 | 2019-05-16 | Fresenius Kabi Usa, Llc | Pump chamber including internal surface modifications |
| CN107249524A (en) | 2014-12-22 | 2017-10-13 | 史密夫及内修公开有限公司 | Negative pressure wound therapy device and method |
| JP2016200014A (en) * | 2015-04-07 | 2016-12-01 | 住友ゴム工業株式会社 | Diaphragm Pump |
| CH711436A1 (en) * | 2015-08-20 | 2017-02-28 | Medmix Systems Ag | Diaphragm pump with medium separation. |
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2008
- 2008-03-04 EP EP08706385A patent/EP2129915A2/en not_active Withdrawn
- 2008-03-04 MX MX2009009807A patent/MX2009009807A/en unknown
- 2008-03-04 BR BRPI0808211-1A patent/BRPI0808211A2/en not_active IP Right Cessation
- 2008-03-04 JP JP2009552984A patent/JP2010520962A/en not_active Ceased
- 2008-03-04 KR KR1020097019336A patent/KR20090118065A/en not_active Application Discontinuation
- 2008-03-04 US US12/530,996 patent/US20100086419A1/en not_active Abandoned
- 2008-03-04 CA CA002679865A patent/CA2679865A1/en not_active Abandoned
- 2008-03-04 RU RU2009136224/06A patent/RU2472967C2/en not_active IP Right Cessation
- 2008-03-04 WO PCT/CH2008/000086 patent/WO2008110022A2/en active Application Filing
- 2008-03-04 AU AU2008226308A patent/AU2008226308A1/en not_active Abandoned
- 2008-03-04 CN CN2008800083168A patent/CN101636585B/en not_active Expired - Fee Related
- 2008-03-13 TW TW097108861A patent/TW200900586A/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712535A (en) * | 2014-11-05 | 2015-06-17 | 东莞市天昶机电制造有限公司 | Noise reduction compressor for medical vaporizer |
| CN109611315A (en) * | 2019-01-25 | 2019-04-12 | 东莞市简爱母婴用品有限公司 | The vacuum pump and breast pump of integrated pump valve |
| CN109611315B (en) * | 2019-01-25 | 2023-09-26 | 东莞市简爱母婴用品有限公司 | Pump valve integrated vacuum pump and breast pump |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100086419A1 (en) | 2010-04-08 |
| AU2008226308A1 (en) | 2008-09-18 |
| MX2009009807A (en) | 2009-09-24 |
| TW200900586A (en) | 2009-01-01 |
| JP2010520962A (en) | 2010-06-17 |
| KR20090118065A (en) | 2009-11-17 |
| RU2472967C2 (en) | 2013-01-20 |
| EP2129915A2 (en) | 2009-12-09 |
| WO2008110022A3 (en) | 2008-11-06 |
| CA2679865A1 (en) | 2008-09-18 |
| RU2009136224A (en) | 2011-04-20 |
| BRPI0808211A2 (en) | 2014-07-01 |
| CN101636585B (en) | 2012-02-22 |
| WO2008110022A2 (en) | 2008-09-18 |
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