CN1849177A - Fluid product distribution pump - Google Patents
Fluid product distribution pump Download PDFInfo
- Publication number
- CN1849177A CN1849177A CNA2004800259326A CN200480025932A CN1849177A CN 1849177 A CN1849177 A CN 1849177A CN A2004800259326 A CNA2004800259326 A CN A2004800259326A CN 200480025932 A CN200480025932 A CN 200480025932A CN 1849177 A CN1849177 A CN 1849177A
- Authority
- CN
- China
- Prior art keywords
- pump
- valve
- valve seat
- deformable
- fluid
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
- B05B11/1018—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element and the controlling element cooperating with means for opening or closing the inlet valve
Landscapes
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention relates to a fluid product distributor pump comprising: a pump casing (10), a pump chamber (20) which is equipped with an inlet valve (30) and an outlet valve (40), and a piston (50) which slides inside the aforementioned pump casing (10) in order to distribute the product contained in the pump chamber (20). The aforementioned outlet valve (40) comprises a valve element (41) which co-operates with a valve seat (42), said outlet valve (40) comprising deformable sealing means (45, 46) which are provided between the valve seat (42) and the valve element (41). According to the invention, the sealing means (45, 46) are elastically deformed in the closed position of the outlet valve (40) in order to provide improved sealing.
Description
Technical field
The present invention relates to fluid product dispensing pump and the fluid distributing apparatus that comprises such pump.
Background technology
In pharmacy, spices or cosmetic field, the pump that is used for dispense powders and fluid is well-known especially.Such pump generally includes the pump housing that contains pump chamber, and piston slides in leak free mode in pump chamber, so that be contained in material in the pump chamber with the metering method allocation packet.When pump was measuring pump, pump chamber generally comprised inlet valve and outlet valve, when they are all closed, limited the dosage that needs distribution.Leakage when sealing outlet valve in closed position at first is used for avoiding taking action, but also can avoid under static state being included in the pollution of material in the pump chamber.Particularly in the pharmacy industry field, require accurately this moment and dosage repeatably, therefore the risk of any leakage promptly reduces dosage, is undesirable.Therefore, outlet valve must seal effectively.Not excessive outlet valve is in off position the time, and practical sealing can not prevent the undesired effect of described valve, for example makes it be in closed condition by obstruction, thereby prevents the pump irregular working, and therefore guarantees to distribute correct dosage.
The object of the invention provides a kind of fluid-dispensing pump, can satisfy above-mentioned requirements in the best way, and the shortcoming of pump in the unlikely repetition traditional handicraft.
More particularly, the object of the invention provides a kind of fluid-dispensing pump, and the outlet that can work as pump chamber provides perfect sealing in off position the time.
Another purpose of the present invention provides a kind of fluid-dispensing pump, can be with safety and reliable fashion work, and in the action each time of pump, can guarantee accurately and distributing fluids dosage repeatedly.
Another purpose of the present invention provides a kind of fluid-dispensing pump, can be simply and make at an easy rate and assemble.
Summary of the invention
The present invention so just provides a kind of fluid-dispensing pump, comprise the pump housing, have the pump chamber of inlet valve and outlet valve and in described pump chamber, slide so that allocation packet is contained in the piston of the fluid in the pump chamber, described outlet valve comprises the valve element with the valve seat cooperation, described outlet valve also comprises the deformable sealing device that is arranged between described valve seat and the described valve element, when described outlet valve during in the closed position described sealing device be resiliently deformable so that improve sealing.
Advantageously, described piston is fixed on the actuator bar, and described actuator bar is hollow and limits the drain passageway of fluid that described valve seat is formed in the described drain passageway.
When pumping action, outlet valve advantageously is forced to its closed condition of trend by spring, and the pressure that described valve is comprised in the fluid in the pump chamber is compeled and opened.
In first embodiment of the invention, described deformable seal device is formed on the valve element.
In second embodiment of the invention, described deformable seal device is formed on the valve seat.
In first embodiment of the invention, described deformable seal device comprises at least one deformable annular antelabium.
Advantageously, described annular lip is for flexible and when valve is in closed condition and the frustoconical surface cooperation.
Advantageously, described annular lip is made with Overmolded method.
Valve advantageously comprises the flexible annular antelabium, and with the cooperation of frustoconical valve element, described valve element is essentially rigidity.
Advantageously, valve seat adopts two kinds of materials to make, and the described annular lip employing relatively softer material of all the other materials of valve seat is made.
In second embodiment of the invention, described deformable seal device comprises deformable O-shape ring.
Advantageously, described O-shape ring is when valve in off position the time and the frustoconical surface cooperation.
Advantageously, described O-shape ring is by inserting cooperation, snap-button cooperation or Overmolded fixing.
Advantageously, valve element is essentially rigidity and comprises deformable O-shape ring, and with the cooperation of frustoconical valve seat, described valve seat is essentially rigidity.
The present invention also provides a kind of fluid distributing apparatus of pump as described above that comprises.
Description of drawings
Further feature of the present invention and advantage will become clearer from the detailed description of following two embodiment, these schemes are passed through non-limitative example, and with reference to the accompanying drawings, wherein:
-Fig. 1 is for constituting the pump constructed profile of first embodiment of the invention; With
-Fig. 2 shows the second embodiment of the present invention similar in appearance to Fig. 1.
These figure show the example of pump, but the present invention can be applicable to the pump of any kind naturally, and its structure is different from shown in the accompanying drawing.
Concrete embodiment
With reference to Fig. 1, pump comprises the pump housing 10, wherein is slidingly fixed on the piston 50 of actuator bar 5.Actuator bar 5 advantageously is hollow and is fluid qualification drain passageway 4.The pump housing 10 comprises the pump chamber 20 that is defined between inlet valve 30 and the outlet valve 40.In shown example, outlet valve 40 and inlet valve 30 comprise common valve element 41.When inlet valve 30 during in the closed position, valve element 41 is forced to be pressed on the import valve seat 32, this import valve seat advantageously is fixed on the pump housing 10, and when outlet valve 40 during in the closed position, valve element 41 is forced to be pressed on the outlet valve seat 42, this outlet advantageously is fixed on the actuator bar 5, and preferably is limited in the drain passageway 4.Naturally, the present invention also can be applicable in the pump of its import and outlet valve element 30,40 different (for example distinct).
The present invention relates more specifically to other parts of the outlet valve 40 of pump chamber 20 and all pumps can modification.Therefore pump is not described in more detail following, because other element of pump does not directly influence the present invention.
Fig. 1 shows first embodiment of the invention.In this first embodiment, valve seat 42 comprises at least one flexible deformable antelabium 45, when outlet valve it and valve element 41 cooperations in off position the time.Valve element 41 is preferably for rigidity and advantageously comprise frustoconical surface on the surface that itself and flexible lip 45 are cooperated.As shown in fig. 1, when valve 40 in off position the time, antelabium 45 distortion are so that the sealing under improving in off position.In a kind of modification, two or more antelabium and valve element 41 cooperations have been it is contemplated that.In the embodiment in figure 1, annular lip 45 can be made for integral body with valve seat 42 other elements, is specially and actuator bar 5 and piston 50.In a kind of modification, antelabium 45 can be overmolded onto on the valve seat 42, and it can use the relatively softer material manufacturing of valve seat remainder in this case, and specifically relatively actuator bar 5 is softer.This makes it may further improve sealing, and the necessary rigidity of other element of holding pump still.Outlet valve 40 preferably forces its trend closed position by spring 70, and this spring is preferably for to make its return spring that returns the pump of resting position, and this is effective equally for the embodiment that shows among Fig. 2.Outlet valve 40 is advantageously opened by the fluid pressure that is included in the pump chamber 20.In a modification, when pump in when operation, outlet valve is forced to tend to its closed position by being included in the fluid pressure in the pump chamber.Outlet valve is opened at the terminal point of operational stroke then, for example utilizes mechanism.Force the spring 70 or the fluid pressure of its closed positions of outlet valve 40 trend further to improve sealing, when outlet valve during in the closed position, and especially when pump during in operation, thereby prevent the fluid leakage, and prevent any dose losses.
Show in Fig. 1 in the modification of embodiment, it is contemplated that a kind of reverse embodiment, promptly wherein valve element 41 comprises deformable or flexible seal lip, it and the valve seat cooperation of for example frustoconical.
Fig. 2 shows second embodiment of the invention.In this embodiment, deformable sealing element is formed by the O-shape ring 46 that is arranged on the valve element.O-shape ring can cooperate by inserting, snap-button cooperation or Overmolded fixing.Thereby O-shape ring advantageously adopts the softer material of all the other materials of valve element relatively to make sealing under improving in off position.As shown in fig. 2, O-shape ring 46 advantageously with the frustoconical surface cooperation of valve seat 42.
In Fig. 2, show in the modification of embodiment, might imagine O-shape ring and not be fixed on the valve element 41, and on valve seat 41, valve element will be frustoconical in this case, as shown in fig. 1, and will advantageously be used for and be fixed on O-shape ring 46 cooperations on the valve seat 42.
Be provided with frustoconical surface and Crumple element (antelabium 45 or O-shape ring 46) cooperation not only be used for making valve element 41 on valve seat 42 in centralized positioning, and also can make it that sealing is provided in operation, even be not fully axially the time when the user is applied to strength on the actuator bar 5.
Pump design of the present invention is used for being fastened on the holder (not shown), and for example passing through is the dead ring 60 of clamping cap in shown embodiment.Naturally, it is contemplated that other modification.In addition, can on actuator bar 5, assemble the dispenser head (not shown), so that distribute from pumping next fluid.
Though the present invention is described with reference to two embodiment, very clear, it is not limited by shown embodiment.On the contrary, the skilled person can adopt any useful modification, and unlikely departing from as the defined scope of the invention of claims.
Claims (15)
1. fluid-dispensing pump, comprise the pump housing (10), pump chamber (20) with inlet valve (30) and outlet valve (40), with in described pump chamber (10), slide so that allocation packet is contained in the piston (50) of the fluid in the pump chamber (20), described outlet valve (40) comprises the valve element (41) with valve seat (42) cooperation, described fluid-dispensing pump is characterised in that, described outlet valve (40) also comprises the deformable sealing device (45 that is arranged between described valve seat (42) and the described valve element (41), 46), when described outlet valve (40) described sealing device (45 during in the closed position, 46) be resiliently deformable, so that improve sealing.
2. according to the described pump of claim 1, it is characterized in that described piston (50) is fixed on the actuator bar (5), described actuator bar is hollow and limits the drain passageway (4) of fluid that described valve seat (42) is formed in the described drain passageway (4).
3. according to claim 1 or 2 described pumps, it is characterized in that when pump operated, outlet valve (40) is forced to tend to its closed position by spring (70), described valve (40) is comprised in the pressure of the fluid in the pump chamber (20) and opens.
4. according to the described pump of one of any above claim, it is characterized in that described deformable seal device (45,46) is formed on the valve element (41).
5. according to one of any described pump in the claim 1 to 3, it is characterized in that described deformable seal device (45,46) is formed on the valve seat (42).
6. according to claim 4 or 5 described pumps, it is characterized in that described deformable seal device comprises at least one deformable annular lip (45).
7. according to the described pump of claim 6, it is characterized in that described annular lip (45) is flexible, and when valve (40) during in the closed position and the frustoconical surface cooperation.
8. according to claim 6 or 7 described pumps, it is characterized in that described annular lip (45) is made with Overmolded.
9. according to the described pump of any above claim 3, it is characterized in that valve seat (42) comprises and the flexible annular antelabium (45) of frustoconical valve element (41) cooperation that described valve element (41) is essentially rigidity.
10. according to the described pump of claim 9, it is characterized in that valve seat (42) is made by two kinds of materials, described annular lip (45) the employing relatively softer material of valve seat (42) remainder is made.
11., it is characterized in that described deformable seal device comprises deformable O-shape ring (46) according to claim 4 or 5 described pumps.
12. according to the described pump of claim 11, it is characterized in that, when valve (40) during in the closed position, O-shape ring (46) and frustoconical surface cooperation.
13., it is characterized in that described O-shape ring (46) adopts and inserts cooperation, snap-button cooperation or Overmolded fixing according to claim 11 or 12 described pumps.
14., it is characterized in that valve element (41) is essentially rigidity and comprises and the deformable O-shape ring (46) of frustoconical valve seat (42) cooperation that described valve seat (42) is essentially rigidity according to the described pump of one of any above claim.
15. a fluid distributing apparatus is characterized in that, it comprises according to the described pump of above claim.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0310653A FR2859460B1 (en) | 2003-09-10 | 2003-09-10 | FLUID PRODUCT DELIVERY PUMP |
| FR0310653 | 2003-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1849177A true CN1849177A (en) | 2006-10-18 |
Family
ID=34178882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800259326A Pending CN1849177A (en) | 2003-09-10 | 2004-09-02 | Fluid product distribution pump |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20070029347A1 (en) |
| EP (1) | EP1673176B1 (en) |
| JP (1) | JP2007505256A (en) |
| CN (1) | CN1849177A (en) |
| DE (1) | DE602004012586T2 (en) |
| FR (1) | FR2859460B1 (en) |
| WO (1) | WO2005028120A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104428067A (en) * | 2012-05-09 | 2015-03-18 | 高乔工业股份有限公司 | Pull-activated foam pumps, dispensers and refill units |
| CN104555049A (en) * | 2013-10-14 | 2015-04-29 | 株式会社衍宇 | Feeder capable of absorbing contents again |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2913731B1 (en) * | 2007-03-12 | 2013-08-09 | Valois Sas | FLUID PRODUCT DELIVERY PUMP AND DISPENSER HAVING SUCH A PUMP |
| US10967121B2 (en) * | 2014-04-07 | 2021-04-06 | Becton, Dickinson And Company | Rotational metering pump for insulin patch |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4420011A (en) * | 1981-12-08 | 1983-12-13 | Harry Roger | Dual piston sensing mechanism |
| DE3940101A1 (en) * | 1989-12-04 | 1991-06-06 | Hofmann Joerg | MANUAL, DOUBLE-ACTING DOSING AND / OR SPRAYING PUMP |
| FR2664182B1 (en) * | 1990-07-09 | 1992-10-09 | Valois | DOSING PUMP FOR PRESSURE SPRAYER WITH INTRINSIC SAFETY. |
| FR2665733A1 (en) * | 1990-08-07 | 1992-02-14 | Valois | IMPROVING A PRE-PRINTING DOSING PUMP TO ENHANCE THE YIELD BY EARLY ADMISSION IN THE PUMP CHAMBER. |
| NL1001366C2 (en) * | 1995-10-06 | 1997-04-08 | Airspray Int Bv | Device for dispensing an air-liquid mixture, in particular foam and operating unit intended for this purpose. |
| US5826756B1 (en) * | 1996-03-08 | 2000-11-14 | Continental Sprayers Int Inc | Water shield for pump dispenser |
| US6340102B1 (en) * | 1999-02-19 | 2002-01-22 | Cheng-Yuan Su | Sealing valve structure for liquid sprayers |
| FR2815611B1 (en) * | 2000-10-23 | 2003-04-11 | Valois Sa | DISPENSING HEAD AND FLUID PRODUCT DISPENSER COMPRISING SUCH A DISPENSING HEAD |
| WO2003026803A1 (en) * | 2001-09-21 | 2003-04-03 | Ing. Erich Pfeiffer Gmbh | Dosing device with a pump device |
| PL200833B1 (en) * | 2001-09-21 | 2009-02-27 | Pfeiffer Erich Gmbh & Co Kg | Dosing device comprising a medium reservoir and corresponding pump device |
| DE60320607T2 (en) * | 2002-03-15 | 2009-05-28 | L'oreal | Unit for packaging and dispensing a product, in particular in the form of a sample |
| US6866168B2 (en) * | 2002-04-17 | 2005-03-15 | Valois Sas | Fluid dispenser pump |
-
2003
- 2003-09-10 FR FR0310653A patent/FR2859460B1/en not_active Expired - Fee Related
-
2004
- 2004-09-02 WO PCT/FR2004/002233 patent/WO2005028120A1/en active IP Right Grant
- 2004-09-02 JP JP2006525854A patent/JP2007505256A/en not_active Withdrawn
- 2004-09-02 EP EP04787288A patent/EP1673176B1/en not_active Expired - Lifetime
- 2004-09-02 US US10/571,056 patent/US20070029347A1/en not_active Abandoned
- 2004-09-02 DE DE602004012586T patent/DE602004012586T2/en not_active Expired - Fee Related
- 2004-09-02 CN CNA2004800259326A patent/CN1849177A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104428067A (en) * | 2012-05-09 | 2015-03-18 | 高乔工业股份有限公司 | Pull-activated foam pumps, dispensers and refill units |
| CN104555049A (en) * | 2013-10-14 | 2015-04-29 | 株式会社衍宇 | Feeder capable of absorbing contents again |
| CN104555049B (en) * | 2013-10-14 | 2017-04-12 | 株式会社衍宇 | Feeder capable of absorbing contents again |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007505256A (en) | 2007-03-08 |
| US20070029347A1 (en) | 2007-02-08 |
| FR2859460A1 (en) | 2005-03-11 |
| WO2005028120A1 (en) | 2005-03-31 |
| DE602004012586T2 (en) | 2009-04-02 |
| DE602004012586D1 (en) | 2008-04-30 |
| EP1673176B1 (en) | 2008-03-19 |
| FR2859460B1 (en) | 2005-11-04 |
| EP1673176A1 (en) | 2006-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |