CN1095452A - Pressure dispensing pump - Google Patents
Pressure dispensing pump Download PDFInfo
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- CN1095452A CN1095452A CN 93105008 CN93105008A CN1095452A CN 1095452 A CN1095452 A CN 1095452A CN 93105008 CN93105008 CN 93105008 CN 93105008 A CN93105008 A CN 93105008A CN 1095452 A CN1095452 A CN 1095452A
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Abstract
A kind of energy predetermined amounts distribute a kind of pressure dispensing pump of fluid substance, and this material can be liquid state, semi liquid state, semisolid, also can be gel, paste.Above-mentioned proportioning pump contains one and is suitable for being fixed to a housing on the fluid container, above-mentioned housing contains an inlet, above-mentioned proportioning pump contains a valve member that is used to seal above-mentioned inlet, this proportioning pump has pressurized chamber's part, pressurized chamber's part contains the outlet and a valve member and the foldable wall that terminates in the pressing surfaces that is the plane basically in order to seal above-mentioned outlet that become integral body with it, and the configuration of above-mentioned pressurized chamber can be asymmetric.
Description
The present invention relates to pressure dispensing pump, more particularly, the present invention relates to those and can distribute the pressure dispensing pump of fluid substance according to prearranging quatity, these materials can be liquid state, semi liquid state, semisolid or gel, paste.
The following describes the distributor of relevant these types in the prior art.
U. S. Patent 3,361,305 fluid distributors that relate to combine one group of one-way valve, an outlet ball valve and a diaphragm pump structure.Can think, an inlet valve be installed on the inwall, then ball be packed in the outlet ball valve, again dividing plate be installed on the container wall at last, must need many parts.The assembling of these devices shown in this patent and production need the more time, and the structure of dividing plate can not accurately be distributed the fluid of prearranging quatity.In addition, if this device is placed upside down, its valve arrangement can cause low-viscosity (mobile) liquid to spill from outlet and ball valve.
U. S. Patent 3,910,467 relate to the dispensing device that a kind of distributing fluids is used, and this device has adopted the dividing plate and the second partition as sealing mechanism that are used for pressing by to impel fluid to flow.The structural relation of this patent and pump action type is not too big, and it is more as a kind of valve arrangement that allows the complexity of being discharged by an outlet through the material of metering.This device is exerted pressure to the material in the packaging container by the way of pipe being pushed or pressurizeing and is forced funnel part to leave valve or stopper rod, meanwhile force dividing plate to seal outlet, so just can allow the fluid of prearranging quatity flow out from outlet to moving down the top of running into stopper rod.This structure need be loaded onto two dividing plates and plunger in container.Pumping or pressurization come from and affact container outside rather than act on pressure on the distributing head.
D.B.P. 2842073 relates to a kind of distributing head that is used for atomizer, and this distributing head needs many parts, comprises pressurized chamber's structure, ball valve and multiple spring mechanism.Its design is: at first make pump action and a fluid in the chamber is flowed out, push one then and can open another valve and allow the nozzle of contained material (may with fine mist) ejection that it is sprayed.This device is not suitable for the bigger fluid of viscosity, and obviously is to contain a large amount of parts, and they all need to spend the more time and install.
U. S. Patent 2,414,963 relate to a kind of structure that contains the sealing dispensing device of two Room, a feed chamber and a unloading house.But it is the same with U. S. Patent 3910467, need could discharge fluid from container to the pressurization of container own.In another embodiment, closing of distributor chamber is by using the finger press container wall, finishing seal action by container wall.If continue pressurization, just the pressure that acts on the material in the unloading house can be with outside these material delivery valves.Though during the pressure of a release finger, the material in the seal arrangement just can flow into unloading house,, the action of cut-off valve can force material to leave the opening of valve to pressure by this wall, so has reduced the working efficiency of this device.
It is the pump of hemispheric pressurized chamber basically that U. S. Patent 3820689 relates to a kind of having, and this delivery side of pump can make the material that is positioned at its inside expose and be polluted.This hemispheric pressurized chamber does not have the advantage of what mechanism, and answer speed is lower.In addition, this shape can make each pump action " traverse " a little vacuum occur, so need pumping traverse many times.
This pump structure also a kind of situation can occur, promptly since the material that the effect of sending to of gravity once extrudes before impelling especially turn back in the apotheca again.This means that finally this pump must be annotated and could start after a period of time of stopping using.
D.B.P. 3101020 relates to a kind of dispensing device of pump type, and this device adopts a valve of a pressurized chamber, and forces fluid to wriggle along the passage of a bending to flow and enter the pressurized chamber, discharge from another valve system.More with part contained in kind of the dispensing device, so assemble up more time-consumingly, and because the complexity of device proper, the probability of inefficacy is also bigger.
D.B.P. 3236552 relates to a kind of device of pump action type, and it contains the pressurized chamber of a concertina, and the purpose of design of this pump is in order to be contained in the fluid sucking-off in the container, and by removing a cap it to be poured out then.Like this, at pump behind the bottom sucking-off liquid of bottle or container, just pourable through the metering material.
U. S. Patent 4,564,130 relate to a kind of distributor that distributes pasty masses, and this distributor contains a pump dividing plate and a valve type structure that has one group of bivalve sealing surfaces (sealed entry, a sealing outlet).Relevant member is arranged to a kind of loop configuration that centers on a joint, and is assembled in the distributing head device as a dividing plate that separates with valve portion.The structure of this device exit portion just is exposed in the atmosphere in the time of also can making the material in the container in a single day come within the outlet.Therefore, the material in the container also may be subjected to bacterium or airborne other foul pollutes.
International monopoly (WO) 86/04984 relates to and a kind ofly can prevent that the material in the container from suffering the air-polluting self-sealed distributor.But in its embodiment, contain a separator valve part that has dividing plate, have the valve rod that a sealed entry is used on the dividing plate.Valve rod is hollow, and pressing when pressing dividing plate, and along with opening of valve, the amount of movement of dividing plate is subjected to being positioned at the restriction of valve rod of its sealing mechanism.When decontroling dividing plate, valve rod has been full of the sort of fluid that is contained in the container, therefore makes pressure difficult more by dividing plate.If further pressurization, the fluid that is contained in the hollow valve rod is pushed back in the main body of container, and fluid when after discharge, returning container its amount of movement also very big.
U. S. Patent 4,457,454 relate to a kind of pump of being made of a valve arrangement multiple part that contains, and its valve arrangement is closed by the soft dividing plate of pump by pressing, and its working method is similar to international monopoly (WO) 86/04984 disclosed device with complexity.The defective of this device of prior art is to need more part and soft dividing plate and supporting outlet valve housing.And this structure adopted a following soft bag that is positioned at pump, so it needs enough vacuum and could distribute the material of being adorned.
D.B.P. 3509178 relates to a kind of distributing head of pump action type, and this distributing head adopts a kind of pressurized chamber by simple pump-absorb action sucking-off fluid from a nozzle of container.But it does not have tangible valve type structure, therefore, the fluid of being adorned is exposed in the air and is polluted.
European patent (EU) 88109367.8 relates to a kind of and devices D.B.P. 3509178 structural similarities.These two kinds of apparatus features are very similar, and exist same difficult point.As can be seen, this device does not have sealing mechanism, and therefore, the material of adorning is exposed in the air.In these two kinds devices and above-mentioned one type of prior art syringe, all need a large amount of parts to produce assign action.
An object of the present invention is to provide a kind of pressure dispensing pump that can overcome at all or improve at least one shortcoming in the one type of prior art syringe.
According to one aspect of the present invention, a kind of pressure dispensing pump that is suitable for being fixed to a housing on the fluid container that contains is disclosed, above-mentioned housing contains an inlet, and above-mentioned proportioning pump contains a valve member that is used for above-mentioned inlet, also comprises pressurized chamber's part; Above-mentioned pressure chamber part contains an outlet that is integrally formed therewith and in order to seal the valve member of above-mentioned outlet.
According to another aspect of the present invention, a kind of pressure dispensing pump that contains pressurized chamber's part is disclosed, this pressurized chamber comprises a folding wall section, it terminates in the pressure surface of a general plane.And then this pressurized chamber can have asymmetrical configuration.
According to another aspect of the present invention, a kind of pressure dispensing pump that has an outlet is disclosed, above-mentioned outlet is sealed by the valve that can open under the effect of the pressure that proportioning pump produced, its characteristics are, above-mentioned valve is formed by a slit of above-mentioned pressurized chamber part, and above-mentioned valve member is to bring into play sealing function by the elastomeric properties of pressurized chamber's part.
Feature of the present invention allows to adopt minimum part to produce pressure dispensing pump, and allows pump can repeatedly discharge the tolerant of accurate measurement.Tolerant is to discharge under the effect of pressure, and the valve arrangement of pump can prevent the pollution of air.
The asymmetric shape of pressurized chamber's part has guaranteed head answer fast after distributing fluids, thereby has guaranteed reactivity and low pressure pressing force fast, and this point is for the application of distributor, and for example electric drive is crucial.In addition, this shape can make near the liquid stream the valve reach maximum, and promotes the work of valve naturally.The surperficial pulling force of elastomeric material helps to export the open and close condition with inlet valve.And the displacement distance of increased pressure board of the present invention by the control distributor chamber can obtain to repeat accurately metering.
Below in conjunction with the description of drawings embodiments of the invention, in the accompanying drawing:
Fig. 1 is the side cutaway view of the first embodiment of the present invention;
The device of Fig. 2 presentation graphs 1 just in use;
Fig. 3 is the side cutaway view of the third embodiment of the present invention;
Fig. 4 is the side cutaway view of the fourth embodiment of the present invention;
Fig. 5 and Fig. 6 are the side cutaway views of the fifth embodiment of the present invention;
Fig. 7 is the side cutaway view of the sixth embodiment of the present invention;
Fig. 8 is the side cutaway view of the seventh embodiment of the present invention;
Fig. 9 is the front elevation of pressurized chamber's part of each device in Fig. 1～8;
Figure 10 is the perspective exploded view of the device of Fig. 1 and Fig. 2;
Figure 11 is the embodiment's similar to Fig. 1 a side cutaway view, still, has adopted the independently inlet valve structure discrete with housing in this embodiment;
Figure 12 is a kind of side cutaway view that adopts the embodiment of discrete outlet valve member.
Shown in Fig. 1,2 and 10, pressure dispensing pump 1 contains a housing 2, has the valve member 4 of 3 and leaf-valve types of an inlet on the housing 2.
The shape of reed type valves 4 is made and the bent configuration of the 3 vicinity housings 2 that enter the mouth is complementary.Valve 4 is that integral die comes out with pressurized chamber's part.As can be seen from the figure, leaf valve 4 has covered inlet 3.The leaf valve 4 that this integral die becomes allows the material flow in the container to cross inlet 3.
Have a foldable portion 9 around it around pressurized chamber's part 5, it also has one is the pressing surfaces on plane basically, i.e. " plate " 10, and plate 10 can be connected on the basal seat area 11 of pressurized chamber's part 5 with amounting to.When activation plate or surperficial 10 time, just provide force feed material wherein required pressure.In the present embodiment, pedestal 11 be positioned at outlet valve 7 near, foldable wall 9 is the size minimum herein, and its size 12 is increased to maximum value gradually towards the zone.Like this, when pressure is pressed surface 10 with the pressure in the increase distributor chamber 8, be that the pressing surfaces 10 on plane just has certain mechanical advantage basically.Above-mentioned is that the pressing surfaces 10 on plane is made by the elastomeric material identical with other position of pressurized chamber 5 basically, but its thickness is greater than folding position 9.When the pressure in the distributor chamber 8 increases, for example spherical valve of valve 4() be forced to shut, and in this zone under the effect of elevated pressure, the material in the chamber 8 is just discharged from outlet valve 7.When no longer pressing when further pressurizeing by pressurized chamber's part 5, outlet valve 7 will cut out automatically, thereby prevent that any air from contacting with material in the chamber 8.In case decontrol or when unclamping pressurization plane 10, ball valve 4 is just opened, and allows the material in the container to refill in the distributor chamber 8, still keeps simultaneously and atmospheric sealing.
Pressurized chamber's part 5 has asymmetric basically structure, and its front elevation is seen Fig. 9, and can or claim pressurization plane 10 simply and easily to operate by plate.It can also be seen that from Fig. 95 outside is provided with some ribs 75 near outlet valve 7, in the pressurized chamber, in order to increase the elastomer intensity of soft lip 70.
The following describes other each figure.Give identical label with the similar part of Fig. 1 among these figure, and the explanation part different with Fig. 1 only.
The structure of the pressure dispensing pump 1 of Fig. 4 is similar to Fig. 1's, and still, it has a camel valve member 4B, and its working method and ball valve 4A are quite similar.It also has an irregular opening, in order to allow material in the container by this valve.
Fig. 5 shows an alternative embodiment of the invention, and the difference of it and Fig. 1 is that its valve member is formed by central cylindrical 72 and by valve member 72 cut-off valve 4C.
Fig. 6 is another embodiment of the present invention, and this embodiment has adopted a clack valve 4D, and clack valve is hinged on the housing of proportioning pump.
The difference of embodiment shown in Figure 7 and Fig. 1～6 is that its housing 2 is fixed on the liquid storage room 20 by flange 21 and inipple 22, and inipple 22 is tightened onto on the screw thread that is complementary with it on the liquid storage room 20.
This embodiment's device also contains a breathing pipe 23, and breathing pipe 23 beginnings are sealed up from the outside by the part that can tear 24.In case part 24 is torn, when pump distributed stored material or liquid, air just can enter in the liquid storage room and be full of its space.
The embodiment of Fig. 7 can use on downward position as shown in FIG..
Fig. 8 shows another embodiment, take when this device uses as shown in FIG. be upright position basically.Pressurized chamber 5 is fixed on the liquid storage room by its flange 27, and flange 27 engages with inipple 28.This just makes pressurized chamber's part 5 be sealed on the middle casing member 29.When threaded together joint 28, just can force the periphery of housing structure 29 to contact with the top outermost edge part 30 of liquid storage room 20.
Introducing air when having enough gaps for dispense liquid between 28 screw threads that match each other of liquid storage room 20 and inipple uses.Channel part 31 allows air to enter the liquid storage room 20 below housing structure 29.
Figure 11 shows another embodiment similar to device shown in Figure 1, but this embodiment has the ball valve 114 of a biasing.Under the effect of spring 115, the effect of sealing inlet 3 is also played in ball valve biasing, the pressure in housing 2 be reduced to material in the liquid storage room act on pressure on the valve 114 when being enough to overcome the elastic force of spring 115 till.
This embodiment and Fig. 1 embodiment's difference also be valve 114 be arranged in joint 116 rather than as shown in Figure 3 be arranged in housing 2.
Embodiment shown in Figure 12 is except that being provided with outlet valve 7A, to Fig. 5,6 similar substantially with the embodiment shown in 10.The working method of outlet valve 7A is similar to the valve 7 in the various embodiments described above, but it is different with other embodiment, and valve 7A and pressurized chamber 5 are not whole.Valve 7A can be by the elastomer pressure fixing that material applied of pressurized chamber 5 to pressurized chamber 5, perhaps by binder, welding technique or similarly connect technology and be fixed in the pressurized chamber 5.
Above-mentioned pressure dispensing pump, each all can be used for specific rigid bottle or container by a kind of aerating system.These pressure dispensing pumps also can be used for variable-volume flexible containers for example foldable bag, flexible pipe or have an activity substrate and do not have on the rigid cylinder of aerating system.When with one controlled displacement distance is arranged and has one when abutting against plate of the present invention or claiming the feed rod on the plane on the surface 10 to be used, just can carefully control the metering of the material that at every turn distributes.This shows that the stroke of said pump can be controlled, but so that the powder of liquid, gel, paste or the flow state of a certain amount of aequum in other words of force feed.
Though with reference to the accompanying drawings most preferred embodiment of the present invention is illustrated above, should be clear and definite, and under the prerequisite of spirit of the present invention or essential characteristic, the present invention also can adopt the embodiment of other form or implement with other method.Therefore, above-mentioned explanation should think it is illustrative and not restrictive in all respects.And all do not surmount the implication and the variation on the scope of equality unit of the present invention and all should think to belong within the scope of the present invention.
Claims (17)
1, a pressure dispensing pump contains one and is suitable for being fixed to a housing on the fluid container, above-mentioned housing contains an inlet, above-mentioned proportioning pump contains a valve member that is used for above-mentioned inlet, this proportioning pump also has pressurized chamber's part, above-mentioned pressurized chamber part contain one the outlet and in order to seal the valve member of above-mentioned outlet.
According to the pressure dispensing pump of claim 1, it is characterized in that 2, the above-mentioned valve member that is used for above-mentioned inlet is installed in above-mentioned housing.
According to the pressure dispensing pump of claim 1, it is characterized in that 3, the above-mentioned valve member that is used for above-mentioned inlet and above-mentioned pressurized chamber's part are that one constitutes.
According to each pressure dispensing pump in the claim 1～3, it is characterized in that 4, above-mentioned outlet is sealed by the valve that can open under the effect of the pressure that above-mentioned pressurized chamber part produces.
5, according to each pressure dispensing pump in the claim 1～4, it is characterized in that above-mentioned outlet is formed by a slit in the above-mentioned pressurized chamber part, and the rubber elastomer characteristics of valve member by pressure chamber's part works.
6, require according to aforesaid right in each pressure dispensing pump, it is characterized in that above-mentioned outlet can prevent that air from entering, thereby avoided the material in the above-mentioned liquid reservoir contaminated.
7, require according to aforesaid right in each pressure dispensing pump, it is characterized in that above-mentioned pressurized chamber part contains one, and to terminate in one be foldable wall on the pressing surfaces on plane basically.
According to the pressure dispensing pump of claim 7, it is characterized in that 8, the pressing surfaces on above-mentioned wall section and above-mentioned plane engages with the sidewall of above-mentioned pressurized chamber's part.
9, require according to aforesaid right in each pressure dispensing pump, it is characterized in that above-mentioned inlet valve is a kind of reed type structure.
10, require according to aforesaid right in each pressure dispensing pump, it is characterized in that above-mentioned valve member or above-mentioned inlet are a kind of plate valve or ball valve type structure.
11, require according to aforesaid right in each pressure dispensing pump, it is characterized in that having a distribution plate to use with above-mentioned fold section.
12, according to the pressure dispensing pump of claim 11, it is characterized in that, be provided with a control mechanism that matches with above-mentioned distribution plate, to control the stroke at above-mentioned folding position.
13, require according to aforesaid right in each pressure dispensing pump, it is characterized in that above-mentioned liquid reservoir is a kind of Collapsible bag.
14, a kind of distribution system comprises according to each pressure dispensing pump in the aforesaid right requirement, and combines with a liquid reservoir, and this liquid reservoir is a kind of flexible wall container.
According to the distribution system of claim 14, it is characterized in that 15, above-mentioned liquid reservoir is a kind of foldable bag, flexible pipe or the rigid cylinder that has the activity substrate, or a kind of rigid container that has aerating system.
16, according to each distribution system in the claim 7～15, it is characterized in that having a roller mechanism and above-mentioned foldable wall partly to contact to actuate above-mentioned pump.
17, according to the distribution system of claim 16, it is characterized in that, above-mentioned roller mechanism along above-mentioned be that the pressing surfaces on plane rolls basically, to actuate above-mentioned pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93105008 CN1064113C (en) | 1993-05-04 | 1993-05-04 | A pressure dispensing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93105008 CN1064113C (en) | 1993-05-04 | 1993-05-04 | A pressure dispensing pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1095452A true CN1095452A (en) | 1994-11-23 |
| CN1064113C CN1064113C (en) | 2001-04-04 |
Family
ID=4985499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93105008 Expired - Fee Related CN1064113C (en) | 1993-05-04 | 1993-05-04 | A pressure dispensing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1064113C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417098B (en) * | 2007-10-28 | 2011-09-07 | 陈进业 | External medicine for treating male and female venereal disease |
| CN102180303A (en) * | 2011-02-18 | 2011-09-14 | 张联 | Fluid control device and control method thereof |
| CN102963603A (en) * | 2012-12-08 | 2013-03-13 | 胡成佐 | Packaging box |
| CN104169506A (en) * | 2012-01-19 | 2014-11-26 | K·阿布阿尔-卢布 | Waste material pump |
-
1993
- 1993-05-04 CN CN 93105008 patent/CN1064113C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101417098B (en) * | 2007-10-28 | 2011-09-07 | 陈进业 | External medicine for treating male and female venereal disease |
| CN102180303A (en) * | 2011-02-18 | 2011-09-14 | 张联 | Fluid control device and control method thereof |
| CN104169506A (en) * | 2012-01-19 | 2014-11-26 | K·阿布阿尔-卢布 | Waste material pump |
| CN104169506B (en) * | 2012-01-19 | 2016-08-24 | K·阿布阿尔-卢布 | Waste material pump |
| CN102963603A (en) * | 2012-12-08 | 2013-03-13 | 胡成佐 | Packaging box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1064113C (en) | 2001-04-04 |
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