CN201044908Y

CN201044908Y - Emulsion pump, atomizing pump, container capping component and one-way valve employed therein

Info

Publication number: CN201044908Y
Application number: CNU2007200047357U
Authority: CN
Inventors: 丁要武
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-17
Filing date: 2007-02-17
Publication date: 2008-04-09
Anticipated expiration: 2017-02-17

Abstract

The utility model provides a latex pump comprising a rammer, a connecting guide conduct connected with the rammer, a tooth socket provided with a connecting structure for connecting four portions of a container, a cylinder, a piston formed by being connected or being integral with the connecting guide conduct, wherein the connecting guide conduct or the rammer is provided with an upper one-way valve, the upper end of the cylinder is connected with the tooth socket, the lower end of the cylinder is provided with a lower one-way valve, thee piston moves reciprocally in the cylinder, the latex pump is not provided with a spring. In particular, the one-way valves of the utility model are capable of using for the latex pump, wherein the one-way valves comprise an elastic tube and a valve base which is arranged on the connecting guide conduct or the rammer, the valve base is also provided with an artesian top end and at least one opening arranged on the side surface, the elastic tube covers the side surface of the valve base elastically and encloses at least one opening. The latex pump without a spring of the utility model is capable of being recovered without being taken apart, which is very good for the environmental protection. The one-way valve of the utility model is capable of simplifying the structure obviously, in particular gains the perfect effects of sealing and leak-proof when open.

Description

Emulsion pump, atomizing pump, container closure assemblies and the check valve that is wherein adopted

Technical field

The utility model generally relates to the emulsion pump, especially relates to a kind of check valve that does not have spring emulsion pump and wherein adopted.

Background technology

In existing emulsion pump, the following problem of ubiquity.

At first, existing emulsion pump all has metal spring, so just brings a lot of inconvenience to recovery.In the time will being reclaimed, must pull down pump head earlier, so that the metal spring classification is reclaimed to the emulsion pump.Because troublesome poeration, so in fact seldom the emulsion pump is reclaimed, this utilizes just for environmental protection and waste product again and causes obstacle.

Secondly, the last check valve of existing emulsion pump mainly contains two kinds of structures.A kind ofly form check valve by piston, piston head and connecting duct.Another kind is formed check valve by piston and pearl.In the previous case, require high to these three part precision of piston, piston head and cylinder.If precision does not reach requirement, the problem of pneumatics number of times height, feel difference or leakage appears easily.Under latter event, can not leakproof when pressure head is in open mode.And when being applied in high sizing occasion, pearl sticks on the inwall after up easily and does not fall, thereby causes pump not work.

Have, under the situation of atomizing pump, for having spray effect preferably, need a bigger interior pressure arranged from begin to be sprayed onto the overall process that stops to spray, the big more spray effect of interior pressure is good more.In existing atomizing pump, when adopting the last check valve of forming by piston, piston head and connecting duct, above piston, install a little spring additional.When interior pressure hour, little spring is pushed down piston and check valve can not be opened.When interior pressure reached some numerical value, the active force that piston overcomes little spring moved and makes one-way valve opens, so just can spray preferably.But this atomizing pump exists complex structure, the demanding defective of element precision.

The utility model content

For overcoming above-mentioned defective, main purpose of the present utility model is, a kind of no spring emulsion pump that helps environmental protection is provided.

Another purpose of the present utility model is, a kind of good sealing effect simple in structure, automatic is provided, is used for the check valve of package with fluid container, and emulsion pump, atomizing pump and the closure assemblies that uses this check valve is provided.

For this reason, the utility model provides a kind of emulsion pump, comprising: a pressure head; One connecting duct that is connected with pressure head, described connecting duct or described pressure head are provided with check valve; One facing, it is provided with the syndeton that is used to connect container finish; One cylinder, the upper end of cylinder is connected in facing, and the lower end of cylinder is provided with down check valve; One is connected or integrally formed piston with connecting duct, and piston is reciprocating in cylinder; It is characterized in that, the emulsion pump does not have spring, and last check valve comprises an elastic tube and a valve seat, and valve seat is arranged on the connecting duct or on the pressure head, and having a top of sealing and at least one opening that is arranged on the side, elastic tube flexibly covers the side of valve seat and seals at least one opening.

Preferably, the emulsion pump is connected in the oral area of a container, and container is fixed in a fixture.

Preferably, the valve seat of last check valve is provided with at least one projection.

Preferably, the shape of pressure head is made both to be convenient to press and also is convenient to draw.

The utility model also provides a kind of atomizing pump, comprising: a pressure head; One is arranged on the nozzle on the pressure head; One piston rod that is connected with pressure head, described piston rod or described pressure head are provided with check valve; One facing, it is provided with the syndeton that is used to connect container finish; One cylinder, the upper end of cylinder is connected in facing, and the lower end of cylinder is provided with down check valve, and piston rod is reciprocating in cylinder; It is characterized in that, last check valve comprises an elastic tube and a valve seat, valve seat is arranged on the piston rod or on the pressure head, and has the top of a sealing and be arranged at least one opening on the side, and elastic tube flexibly covers the side of valve seat and seals at least one opening.

The utility model also provides a kind of closure assemblies with check valve that is used for flexible container, comprise: an end cap, a check valve and a facing, end cap is engaged in facing, and facing will be connected in container finish, it is characterized in that, check valve comprises a valve seat and an elastic tube, valve seat is arranged on the facing, and having a top of sealing and at least one opening that is arranged on the side, elastic tube flexibly covers the side of valve seat, and seals at least one opening.

Preferably, end cap is articulated and connected integratedly in facing.

The utility model also provides a kind of emulsion pump, comprising: a pressure head; One piston rod that is connected with pressure head, described piston rod or described pressure head are provided with check valve; One facing, it is provided with the syndeton that is used to connect container finish; One cylinder, the upper end of cylinder is connected in facing, and the lower end of cylinder is provided with down check valve; One is arranged on the spring between piston rod and the cylinder bottom; Piston is reciprocating in cylinder; It is characterized in that, last check valve comprises an elastic tube and a valve seat, valve seat is arranged on described piston rod or the described pressure head, and has the top and at least one opening that is arranged on the side of a sealing, and elastic tube flexibly covers the side of valve seat and seals at least one opening.

The utility model also provides a kind of check valve that is used for the package with fluid container, comprise an elastic tube and a valve seat, valve seat is arranged on the parts, and having a top of sealing and at least one opening that is arranged on the side, elastic tube flexibly covers the side of valve seat and seals at least one opening.

Preferably, valve seat is provided with at least one projection.

No spring emulsion pump of the present utility model need not to disassemble promptly recyclable, has therefore simplified the recovery operation of the packing material of using greatly.This recovery had both reduced the cost of raw material, had reduced energy resource consumption again, and was very beneficial for environmental protection.

By the check valve that is used for the package with fluid container of the present utility model, simplified structure and reduce part precision significantly.This check valve particularly can play splendid sealing and leak preventing effect under open mode.

Other purpose of the present utility model, feature and advantage will become apparent by the description of carrying out below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is that wherein pressure head is in the state that is depressed according to the cutaway view of the no spring emulsion pump of the utility model first embodiment;

Fig. 2 also is the cutaway view of this no spring emulsion pump, and wherein pressure head is in the state of being pulled on;

Fig. 3 is the view sub-anatomy of this no spring emulsion pump;

Fig. 4 A is the front view of connecting duct;

Fig. 4 B is the cutaway view that cuts open the connecting duct of getting along the line A-A among Fig. 4 A;

Fig. 4 C is the zoomed-in view of " I " part among Fig. 4 B;

Fig. 5 A and 5B are respectively the side view and the vertical views of pressure head;

Fig. 5 C is the cutaway view that cuts open the pressure head of getting along the line B-B among Fig. 5 B;

Fig. 5 D is the rearview of the pressure head seen along the arrow C direction among Fig. 5 A;

Fig. 6 is installed to schematic diagram on the container with this no spring emulsion pump;

Fig. 7 is that wherein pressure head is in the state that is not depressed according to the cutaway view of the atomizing pump of the utility model second embodiment;

Fig. 8 is the cutaway view of this atomizing pump, and wherein pressure head is in the state that is depressed;

Fig. 9 is the view sub-anatomy of this atomizing pump;

Figure 10 A is the front view that has the closure assemblies of check valve according to the utility model the 3rd embodiment;

Figure 10 B is the cutaway view that cuts open the closure assemblies of getting along the line C-C among Figure 10 A;

Figure 10 C is the view sub-anatomy of this closure assemblies;

Figure 11 is the cutaway view according to the radial type closure assemblies of the utility model the 4th embodiment;

Figure 12 is the cutaway view that spring emulsion pump is arranged according to the utility model the 5th embodiment;

Figure 13 A is the cutaway view that has adopted a kind of no spring emulsion pump of change type check valve;

Figure 13 B is the enlarged drawing of " II " part among Figure 13 A;

Figure 13 C is the view sub-anatomy that has adopted the no spring emulsion pump of change type check valve;

Figure 14 A is the cutaway view that has adopted the no spring emulsion pump of another kind of change type check valve;

Figure 14 B is the enlarged drawing of " III " part among Figure 14 A; And

Figure 14 C is the view sub-anatomy that has adopted the no spring emulsion pump of this change type check valve.

The specific embodiment

Describe preferred embodiment of the present utility model below with reference to accompanying drawing, identical label is represented identical or similar parts in each accompanying drawing.

Fig. 1-Fig. 6 shows the no spring emulsion pump 1 according to the utility model first embodiment.This no spring emulsion pump 1 mainly comprises: pressure head 2, facing 3, connecting duct 4, piston 5, cylinder 6, last check valve 7, following check valve 8, suction pipe 9 and pad 10.

Fig. 1 shows pressure head 2 and is depressed and is in the tapered end state.So-called " tapered end " state is meant that pressure head 2 is locked, can not take out the state of emulsion by pump, is easy to transportation and storage under this state." tapered end " is that the internal thread by pressure head 2 is meshed with the external screw thread of facing 3 and realizes.Fig. 2 shows the state that pressure head 2 breaks away from " tapered end " and pulled on.

As illustrated in fig. 1 and 2, pressure head 2 is connected in an end of connecting duct 4.The other end of connecting duct 4 is connected in piston 5.Piston 5 is reciprocating in cylinder 6.In conjunction with shown in Figure 3, facing 3 is connected in the upper end of cylinder 6 again, and has the syndeton 3a that is used to connect container finish.Connection can be adopted the form of screw thread or convex tendon/groove, also can adopt other structure.Following check valve 8 is arranged on the lower end of cylinder 6.Following check valve 8 comprises a pearl 81 and valve seat 61, and valve seat 61 is formed on the cylinder 6.

In addition, suction pipe 9 is connected the lower end of cylinder 6.A pad 10 can also be set, so that form good sealing with container finish in facing 3.

As its name suggests, the maximum difference according to this no spring emulsion pump 1 of the present utility model and existing emulsion pump is that it is not provided with the spring that supplies piston 5 to reset usefulness.In addition, this no spring emulsion pump 1 has also adopted a kind of last check valve 7 of novelty, and it is applied to the emulsion pump first, and can be widely used in other package with fluid container, routine atomizing pump as will be described below or packing container closure assemblies etc.

In no spring emulsion pump of the present utility model, spring is not set in cylinder 6.Therefore, piston 5 moving and all upwards to draw with hand or finish up and down in cylinder 6 to pressing down pressure head 2 by the operator.

For ease of operation, preferably the shape of pressure head 2 is made both to be convenient to press and also be convenient to draw.Shown in Fig. 5 A～5D, pressure head 2 can be become the shape that is suitable for and points cooperation, for example, can make pressure head 2 have a middle part 2b and two side flange 2a that lay respectively at the both sides, middle part.As shown in Figure 6, the operator can cooperate middle part 2b with thumb, cooperates two side flange 2a respectively with forefinger and middle finger, draws and pressing action on can carrying out easily thus.

In addition, still as shown in Figure 6,, preferably container A is fixed in the fixture of metope for example or desktop and so on for ease of pressure head 2 is upwards drawn.Fixing mode is varied, and such adhesive that adopts that can be as shown in the figure also can adopt for example mechanical fastening system of metallic support and so on.

In no spring emulsion pump of the present utility model, adopted a kind of last check valve 7 of novelty.Check valve 7 be should go up and an elastic tube 71 and valve seat 4a comprised.Valve seat 4a is the part of connecting duct 4, and it has the top and at least one the opening 4a1 that is arranged on the side of a sealing.Elastic tube 71 is sleeved on the outside of valve seat 4a.Before assembling, the internal diameter of elastic tube 71 is slightly less than the external diameter of valve seat 4a.Therefore, after assembling was finished, elastic tube 71 flexibly covered the side of valve seat 4a, and sealing opening 4a1.Last check valve 7 is in closure state usually.When the pressure in the cylinder 6 reached a certain numerical value, elastic tube 71 was opened at opening 4a1 place, thereby emulsion is pumped out by pressure head 2.When pressure dropped to less than a certain numerical value, elastic tube 71 sealed opening 4a1 again, thereby stopped fluid.In addition, can not come off, be preferably at least one projection 4a2 is set on the valve seat 4a from valve seat 4a for guaranteeing elastic tube 71.

The fundamental mode of no spring emulsion pump of the present utility model is as follows.When the operator presses down pressure head 2, if the pressure in the cylinder 6 reaches a certain numerical value, then to go up check valve 7 and open, following check valve 8 is closed, and pumps emulsion from pressure head 2.When the operator upwards drew pressure head 2, last check valve 7 was closed, and following check valve 8 is opened, and emulsion in the container is sucked in the pump chamber by suction pipe 9, stopped simultaneously from pressure head 2 fluids.

Owing to do not have spring,, help environmental protection so emulsion pump of the present utility model is easy to recovery and reuse.In addition, no spring emulsion pump also is highly suitable for the feed liquid situation strong to metal spring corrosivity, and for example pumping contains the toothpaste of fluorine ion.

Be not provided with under the situation of spring for the emulsion pump, if also be to use original common by pearl and valve seat forms common on check valve, then following problem may appear.May when not being forced into lower dead center, pressure head just stop using the emulsion pump.At this moment because last check valve must be (otherwise not can fluid) opened, so the deadweight of pressure head, connecting duct and piston and wherein the weight of emulsion can make the piston continuation descending lentamente, thereby form dropping liquid slowly at the nozzle place of pressure head.Do not have this defective under the situation of spring pump having,, piston descending situation automatically can not be arranged because spring always can be oppressed piston stroking upward.

Under the situation of the atomizing pump of prior art, be above piston, to install a little spring additional, this little spring compressing descent of piston allows check valve remain and closes.So, having only when pump chamber pressure reaches some values, this pressure just can promote the active force that piston overcomes little spring and move up, thereby opens check valve.Yet, so still to adopt spring, can not realize not having the purpose of spring.

Because the utility model has been conceived a kind of one-way valve structures that is used for the novelty of liquid content, thereby can when realizing " no spring design ", solve above-mentioned leakage problem well.

Fig. 7-Fig. 9 shows the atomizing pump 20 according to the utility model second embodiment.This atomizing pump 20 mainly comprises nozzle 21, pressure head 22, facing 23, piston rod 24, back-moving spring 25, cylinder 26, goes up check valve 27, following check valve 28, suction pipe 29 and pad 200.

Fig. 7 shows pressure head 2 and is in upper state.Fig. 8 shows the state that pressure head 2 is depressed.As shown in the figure, nozzle 21 is arranged on the front end of pressure head 22.Pressure head 22 is connected in an end of piston rod 24.Piston rod 24 is reciprocating in cylinder 26.Facing 23 is connected in the upper end of cylinder 26, and has the syndeton 231 that is used to connect container finish.Spring 25 is arranged between pressure head 22 and the facing 3, is used to make piston rod 24 and pressure head 22 upwards to reset after pressurized.Following check valve 28 is arranged on the lower end of cylinder 26.Following check valve 28 comprises a pearl 281 and valve seat 261, and valve seat 261 can be formed on the cylinder 26.

In addition, suction pipe 29 is connected the lower end of cylinder 26.A pad 200 can also be set, so that form good sealing with container finish in facing 23.

The characteristics of this atomizing pump are that it has adopted according to the check valve 27 of going up of the present utility model, and it is similar to the last check valve in the above-mentioned no spring emulsion pump.Check valve 27 be should go up and an elastic tube 271 and valve seat 241 comprised.Valve seat 241 is parts of piston rod 24, and it has the top and at least one opening 2411 that is arranged on the side of a sealing.Elastic tube 271 flexibly covers the side of valve seat 241, and sealing opening 2411.In addition, can not come off, be preferably at least one projection 2412 is set on the valve seat 241 from valve seat 241 for guaranteeing elastic tube 271.

With regard to atomizing pump, interior pressure is high more, and spray effect is good more.Under situation about adopting, can in pump chamber, produce higher interior pressure and need not the little spring that setting in addition forces descent of piston according to check valve on of the present utility model 27.The binding force of elastic tube 271 is big more, and the interior pressure in the pump chamber is big more, and the effect of spraying is just good more.

Figure 10 A～Figure 10 D shows the closure assemblies 30 according to the utility model the 3rd embodiment, and it can be used for for example flexible container of dentifrice tube and so on.This closure assemblies 30 mainly comprises end cap 31, check valve 32 and facing 33.End cap 31 luer engages with are in facing 33, and facing 33 will be connected in container finish.Check valve 32 is similar to the check valve among above-mentioned two embodiment, and it comprises valve seat 331 and elastic tube 321.Valve seat 331 is formed on the facing 33, and it has the top and at least one opening that is arranged on the side of a sealing.Elastic tube 321 flexibly covers the side of valve seat 331, and the opening of closed valve seat side.In addition, can not come off, be preferably at least one projection is set on the valve seat 331 from valve seat 331 for guaranteeing elastic tube 321.

In the use, turn on end cap 31 earlier, use hand push-through packs container again.When the pressure in the container was enough big, elastic tube 321 was by distending, thereby content is flowed out from the opening part of valve seat 331.In case pressure descends, elastic tube 321 reinstatements, check valve 32 is closed automatically.Therefore, the content in the container can not contact with air, does not have water evaporates, can leakage, and can guarantee to form in the container vacuum.

Figure 11 shows the radial type closure assemblies 40 according to the utility model the 4th embodiment, and it also can be used for for example flexible container of dentifrice tube and so on.This closure assemblies 40 is similar to above-mentioned closure assemblies substantially, and it has end cap 41, check valve 42 and facing 43.Different with above-mentioned the 3rd embodiment is that end cap 41 is articulated and connected integratedly in facing 43 in this embodiment.

Figure 12 shows has a spring emulsion pump 50 according to the utility model the 5th embodiment.This emulsion pump 50 has the spring 51 that is arranged between piston rod 53 and the spring base 54.Also can use the bottom of cylinder 56 directly as spring base.The structure of this emulsion pump 50 is similar to existing spring emulsion pump substantially, and the difference of the emulsion pump of itself and first embodiment is to be provided with spring 51.This emulsion pump is characterised in that it has also adopted according to check valve 52 of the present utility model.The formation of check valve 52 and operation principle and above-mentioned each check valve are identical.When in common spring emulsion pump, using under the situation of check valve of the present utility model, can reduce the pneumatics number of times, and in the open mode leakproof.

Figure 13 A～Figure 13 C shows the no spring emulsion pump that has adopted a kind of change type check valve 7 '.Check valve 7 ' comprises elastic tube 71 ' and valve seat 2 ' a on this change type.Different with aforementioned each embodiment is that valve seat 2 ' a is the part of pressure head 2 '.The top of valve seat 2 ' a is also sealed, and its side is provided with opening 2 ' a1.Preferably make the direction of opening 2 ' a1 towards nozzle.The bottom of valve seat 2 ' a is opened wide, and is connected hermetically with connecting duct 4 '.Should be understood that, except the no spring emulsion pump that can be applicable to first embodiment, the check valve of this change type is equally applicable to according to the atomizing pump of the second and the 5th embodiment and spring pump is arranged, promptly, valve seat is arranged on the pressure head, and valve seat is connected in piston rod.

Figure 14 A～Figure 14 C shows the no spring emulsion pump that has adopted another kind of change type check valve.Check valve 7 on this change type " comprise elastic tube 71 " and valve seat 4 " a.Valve seat 4 " a is connecting duct 4 " a part.Different with previous embodiment is valve seat 4 " top of a itself opens wide, but by with pressure head 2 " being tightly connected forms the top of sealing.Therefore, feature " top with sealing " has contained top self sealing and has utilized other parts sealing both of these case.Equally, this change type check valve also is applicable to according to the atomizing pump of the second and the 5th embodiment and spring pump is arranged.Though abovely the utility model is described in detail in conjunction with preferred embodiment, should be appreciated that, be familiar with those of ordinary skill in the art and should on the basis of above disclosure, make various modification that are equal to and change.For example, the connection between each parts of emulsion pump or fixing can adopt multiple mode; Connecting duct and piston can form; The valve seat of check valve can form with other parts, also can form separately.Therefore, protection domain of the present utility model should be limited by appended claims.

Claims

1. an emulsion pump comprises: a pressure head; One connecting duct that is connected with described pressure head, described connecting duct or described pressure head are provided with check valve; One facing, it is provided with the syndeton that is used to connect container finish; One cylinder, the upper end of described cylinder is connected in described facing, and the lower end of described cylinder is provided with down check valve; One is connected or integrally formed piston with described connecting duct, and described piston is reciprocating in described cylinder; It is characterized in that, described emulsion pump does not have spring, the described check valve of going up comprises an elastic tube and a valve seat, described valve seat is arranged on described connecting duct or the described pressure head, and having a top of sealing and at least one opening that is arranged on the side, described elastic tube flexibly covers the side of described valve seat and seals described at least one opening.

2. emulsion pump as claimed in claim 1 is characterized in that described emulsion pump is connected in the oral area of a container, and described container is fixed in a fixture.

3. emulsion pump as claimed in claim 1 is characterized in that, described on the described valve seat of check valve be provided with at least one projection.

4. emulsion pump as claimed in claim 1 is characterized in that, the shape of described pressure head is made both to be convenient to press and also is convenient to draw.

5. an atomizing pump comprises: a pressure head; One is arranged on the nozzle on the described pressure head; One piston rod that is connected with described pressure head, described piston rod or described pressure head are provided with check valve; One facing, it is provided with the syndeton that is used to connect container finish; One cylinder, the upper end of described cylinder is connected in described facing, and the lower end of described cylinder is provided with down check valve, and described piston rod is reciprocating in described cylinder; It is characterized in that, the described check valve of going up comprises an elastic tube and a valve seat, described valve seat is arranged on described piston rod or the described pressure head, and having a top of sealing and at least one opening that is arranged on the side, described elastic tube flexibly covers the side of described valve seat and seals described at least one opening.

6. closure assemblies that is used for flexible container with check valve, comprise: an end cap, a check valve and a facing, described end cap is engaged in described facing, and described facing will be connected in container finish, it is characterized in that, described check valve comprises a valve seat and an elastic tube, described valve seat is arranged on the described facing, and have the top of a sealing and be arranged at least one opening on the side, described elastic tube flexibly covers the side of described valve seat, and seals described at least one opening.

7. closure assemblies as claimed in claim 6 is characterized in that described end cap is articulated and connected integratedly in described facing.

8. an emulsion pump comprises: a pressure head; One piston rod that is connected with described pressure head, described piston rod or described pressure head are provided with check valve; One facing, it is provided with the syndeton that is used to connect container finish; One cylinder, the upper end of described cylinder is connected in described facing, and the lower end of described cylinder is provided with down check valve; One is arranged on the spring between described piston rod and the described cylinder bottom; Described piston is reciprocating in described cylinder; It is characterized in that, the described check valve of going up comprises an elastic tube and a valve seat, described valve seat is arranged on described piston rod or the described pressure head, and having a top of sealing and at least one opening that is arranged on the side, described elastic tube flexibly covers the side of described valve seat and seals described at least one opening.

9. check valve that is used for the package with fluid thing, comprise an elastic tube and a valve seat, described valve seat is arranged on the parts, and has the top and at least one opening that is arranged on the side of a sealing, and described elastic tube flexibly covers the side of described valve seat and seals described at least one opening.

10. check valve as claimed in claim 9 is characterized in that described valve seat is provided with at least one projection.