CN105564802A - Piston pump sprayer - Google Patents
Piston pump sprayer Download PDFInfo
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- CN105564802A CN105564802A CN201510958748.7A CN201510958748A CN105564802A CN 105564802 A CN105564802 A CN 105564802A CN 201510958748 A CN201510958748 A CN 201510958748A CN 105564802 A CN105564802 A CN 105564802A
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- Prior art keywords
- piston
- shower nozzle
- bottle cap
- pump
- cylinder
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Classifications
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- 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
- B05B11/1087—Combination of liquid and air pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
- B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
- B05B7/0031—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
- B05B7/0037—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
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- 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
- B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
- B05B11/1025—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem a spring urging the outlet valve in its closed position
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- 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
- B05B11/1042—Components or details
- B05B11/1043—Sealing or attachment arrangements between pump and container
- B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
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- 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
- B05B11/1042—Components or details
- B05B11/1066—Pump inlet valves
- B05B11/1067—Pump inlet valves actuated by pressure
-
- 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
- B05B11/1042—Components or details
- B05B11/1073—Springs
- B05B11/1074—Springs located outside pump chambers
-
- 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
- B05B11/1042—Components or details
- B05B11/1066—Pump inlet valves
- B05B11/1067—Pump inlet valves actuated by pressure
- B05B11/1069—Pump inlet valves actuated by pressure the valve being made of a resiliently deformable material or being urged in a closed position by a spring
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Abstract
The invention discloses a piston pump sprayer. An optimized liquid piston pump and an optimized air piston pump are installed in the sprayer, an inlet check valve and an outlet check valve are arranged, and therefore the sprayer has the liquid pumping function and the air pumping function. The two piston pumps utilize a cylinder body formed by the two round inner walls of the sprayer, and dynamic sealing is realized between pistons of the two piston pumps and the round inner walls; small balance holes of the pumps are formed in a bottle cap, conical springs are adopted, elastic bodies are adopted as the pistons, the inlet check valve and the outlet check valve and are optimized, and therefore the height of pump bodies is greatly reduced. A hydraulic cylinder is installed in the bottle cap, an air cylinder is arranged in the sprayer, the bottle cap comprises a piston structure extending into the air cylinder of the sprayer so as to become a piston and a piston rod, the stroke of the sprayer is implemented outside the bottle cap, and therefore space utilization maximization of a foam pump is realized, the height is greatly reduced, the structure of the foam pump is simplified, and the cost is lowered. The two liquid piston pumps arranged in the bottle cap side by side and the air piston pump in the sprayer can be used for foam hair dye.
Description
Technical field
The present invention relates to pump head equipment technical field, more particularly, particularly a kind of piston pump shower nozzle and a kind of foam pump shower nozzle.
Background technology
Existing shower piston pump is arranged in bottle cap, then adds skirt and showerhead configurations supplies market well, be general product, widely use for many years, but structurally it is but low efficiency.
Through measuring the cap diameter 35mm of conventional 3ml shower pump, pump housing bottom-to-top-height 70mm, if add shower nozzle 20-25mm height, for the member height average out to 93mm of pump liquid;
Also have the shower pump of less bottle cap, cap diameter 30mm, bottle cap height 17mm, stroke 15mm, pump housing height is also 70mm.
Certain foam pump commercially available, actual measurement effective travel is 15mm, in bottle cap, the piston pump of two superpositions adds mixing tube, connecing shower nozzle again, to amount to 125mm high, the height of the company's bottle cap exposed is 66mm, the piston external diameter 31mm of gas piston pump, bottle enclosing cover diameter 46.6mm, the external diameter 44.6mm of press head (shower nozzle).
Utility model patent " foam pump " CN202765494U and ZL2005200636954, disclose two piston pump structures using concentric to connect up and down, utilize the priority of the connection between each component and spacing relation and the motion when pressing thereof, cause the effect of lower cylinder liquid outlet and upper cylinder half gas inlet and outlet check valve, just do not need to configure corresponding check valve in addition, but bring backlash, and the runner of gas tortuous, each component structure is accurate, complicated, whether expenditure and plastic raw materials, the assembly cost of its mould expense are worth, and have a question in fact.Reach 10-12 part by the component sum of figure calculating two patent, the spring of mouthful check valve added by large little spring, just needs 2-3.And the improvement of described hexagonal filter screen and use thick or thin opening of sieve, to the Beneficial Effect of foaming and there are no the support of principle and any numeral.Orifice can foam, fluid mechanics is pointed out, flow-disturbing (turbulent flow) state of fluid when foaming, minute bubble is taken out of by moment quickly how to make orifice foam, and segmentation and fragmentation more in flowing subsequently, be therefore only more favourable with the large flow velocity of little orifice and the path of Multilayer Network to obtaining fine and smooth foam.
Therefore conventional piston pump and foam pump all need improvement structurally to improve effect, to reduce costs.
The Chinese invention patent 201210458655.4 " pressed elastic capsule pump " of the present inventor proposes the balance aperture of pump to change on bottle cap, uses elastomeric loose-leaf system to import and export check valve and replaces piston and spring by elastomeric bladder, pump housing height is reduced greatly;
But piston pump still has the space optimized further, as cancelled the cylinder body in bottle cap, and utilizing nozzle housing to arrange, just making shower nozzle carry the function of piston pump, making to unite two into one.Same, foam pump also can be installed in shower nozzle, makes designs simplification, runner succinct, reduces costs.
Summary of the invention
In view of this, the invention provides a kind of piston pump shower nozzle and a kind of foam pump shower nozzle, to solve the problem.
Be installed on by piston pump in shower nozzle, method is: design piston be vertical section be connected up and down piston annulus (O circle), its outer rim seals cylinder wall formative dynamics; Middle circle interannular has loose-leaf system check valve, and the recess in the lower Side face of O circle can embed piston plate; The recess socket cone-shaped spring of upper surface.While reducing by the system height of piston, also allow its upper and lower space piston plate and cone-shaped spring, and centre also comprises import check valve structure, just makes the compactness of structure maximize.Import check valve is in the space of spring elongates when opening, and during closed check valve, spring is shrinking, and therefore the keying of check valve does not just need to configure independently space in addition.
If get piston O loop diameter 2-3mm, depth pistion just can be made to be reduced to 4mm, and in the upper recess of the cone-shaped spring diameter 0.8-1mm energy retraction piston of compression, therefore cone-shaped spring only needs a little higher than stroke 15mm, add the connecting structure of outlet pipe (shower nozzle), the height of whole piston pump should in 30mm.(bottle cap, piston rod and skirt are all disregarded)
Industrially O circle obtains widespread use as the dynamic seal (packing) component of piston, and its reliability is indubitable.Along with various can the elastomeric material of injection moulding as the appearance of TPE, TPU, silaatic etc., for the more complicated check valve structure of fabricated ribbon piston O circle bring feasibility.And cannot the demoulding with the O circle of the above-mentioned band recess of conventional PP or PE.
Further, because the area of shower nozzle is comparatively large, be large enough to hold many piston pumps, therefore can overlap row two piston pumps with extracting liquid and gas, allow the piston pump extracting air that wherein diameter is larger, mix foam through shower nozzle and discharge.
Foam pump shower nozzle of the present invention can be realized by following technical method:
Foam pump shower nozzle comprises: a liquid piston pump and an air piston pump; Comprise bottle cap, skirt, piston rod, piston, shower nozzle, cone-shaped spring, nozzle, import and export check valve, pump cover and seal ring.Have two-layer round wall in shower nozzle, the cavity that shower nozzle inner round wall crosses becomes fluid cylinder, and liquid piston pump a is just arranged on the suction for liquid in inner casing; Round wall between two annulus of shower nozzle is cylinder, installs the suction that piston pump b is used for air;
Described liquid piston pump, the piston plate of its piston rod upper end is inserted in the recess of piston O circle, to the sealing of shower nozzle inwall formative dynamics, piston O astragal liquid-inlet check valve structure; It is suitable for reading that piston-rod lower end connects bottle cap, then connect skirt, and skirt stretches in lotion pump;
Described air piston pump, its piston is elastic body, and have two O circles to carry out dynamic seal (packing) to two round walls of shower nozzle interannular respectively, have a gas feed check valve between two O circles, one piece is injection molded; Piston plate is tightly inserted in the concave surface that piston O encloses, and piston plate has the mouth of pipe relative with loose-leaf; Two piston rods, form barrel forms, bottom is fixed on bottle cap.
Spring shares, and is installed on the piston of the air pump in cylinder.
Pump cover is fixed on the lower port of shower nozzle (shell), to stablize and to limit the stroke of two pistons, provides the initial pressure that spring needs simultaneously; Pump cover has aperture as the admission port of air piston pump.
Nozzle and shower nozzle separate injection moulding, and to facilitate installation outlet check valve and to consider net, nozzle and shower nozzle (pump housing) have connecting portion closely; Outlet check valves is an integral, flexible body, has two loose-leaves to play check valve to the outlet of liquid cylinder and gas cylinder respectively.
When compressing shower nozzle, the cylinder body of shower nozzle declines along two pistons, the pump housing cavity volume of upper piston area is reduced, make pressure increase, the import and export check valve automatic open close of two pumps, liquid and air bubble through foam screen, and foam is discharged through nozzle, in the piston upper surface of cone-shaped spring pressurized accumulation of energy (amount) retraction simultaneously indent; When stopping pressing, cone-shaped spring resets and is upwards pushed away by cylinder body, and make the cylinder body cavity volume on two pistons increase and pressure is reduced, import and export check valve automatic open close, by liquid through skirt, air is drawn in the cavity of the respective pump housing respectively through the duct of piston rod.
The pump liquid of visible shower nozzle piston pump is identical with conventional piston pump with the principle of pump gas, just two pistons and piston rod are static relative to bottle cap, the cylinder body being shower nozzle, relative to piston movement, changes the spatial volume of two upper piston area in shower nozzle and realizes synchronous imbibition, air-breathing and synchronous discharge opeing, exhaust; And the piston of conventional piston pump moves relative to bottle cap; From the stroke of piston rod, the former is that stroke is configured in shower nozzle, and the latter is but in bottle cap.
Be not difficult to find out, if by spring fitting outside shower nozzle, the same cylinder body of shower nozzle that can make of spring, by identical requirement action, is installed in shower nozzle in fact more based on needs attractive in appearance.
Make liquid piston pump be configured in bottle cap further, general with conventional liq piston pump, just can improve the Volumetric efficiency of air piston pump in shower nozzle.
The shower nozzle of conventional shower pump and usual foam pump, all at bottle cap the preceding paragraph height, includes connecting portion 18mm and the piston rod 20mm of shower nozzle, and when this 20mm piston rod height major part presses down in order to dispenser nozzles, piston rod stretches into the stroke in bottle cap.
Therefore, more optimizedly piston ring is set on bottle cap, makes jet diameters slightly larger than bottle cap, bottle cap just can be made to enter in shower nozzle, with the piston of bottle cap, shower nozzle inwall formative dynamics is sealed, directly with shower nozzle, pump gas is come to bottle cap.Bottle cap becomes piston and piston rod, and namely in a disguised form implement the stroke of shower nozzle with bottle cap outer wall, connecting portion has also been economized, and the height of foam pump just will reduce widely.
Piston is installed on shower nozzle, has following advantage:
1. make structure compacter, shower nozzle and pump are united two into one, reduces costs;
2. foam nozzle only uses a spring, and cancels the cylinder block in former bottle cap, particularly cancels the large bottle cap of former foam pump external diameter 46.6mm, uses the conventional bottle cap of diameter 35mm or 30mm instead;
3. bottle cap can be made to stretch in cylinder, make foam pump compacter and small and exquisite, reduce costs again;
4. any conventional bath bottle can by the foam nozzle of upper this patent, and any emulsion can foam output; (too dense thick emulsion foam may be poor)
5. foam nozzle inserts hairdressing sizing water bottle just can become hairdressing hair styling mousse; (restriction is containing EtOH formulation)
6. due to above 4,5,6, in bottle, liquid is finished, and foam nozzle can collect its use, cuts the waste, and is beneficial to ring.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1, structural representation for the piston pump shower nozzle of the embodiment of the present invention one;
Fig. 2,2.1 is the structural representation of the foam pump shower nozzle of the embodiment of the present invention two;
Fig. 3,3.1,3.2 is the structural representation of the foam pump shower nozzle of the embodiment of the present invention three;
Fig. 4 is the schematic diagram of the hair dye foam pump shower nozzle of the embodiment of the present invention four.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
Embodiment one
As shown in Figure 1, piston pump shower nozzle comprises: bottle cap 1, skirt 2, piston rod 3, piston 4, shower nozzle 5, cone-shaped spring 6, nozzle 7, Outlet check valves 8, pump cover 9, seal ring 10.
Described piston 4 has O to enclose 4.1, and the piston plate 3.1 on piston rod 3 is inserted in the indent under the O circle of piston 4, has plane loose-leaf to construct the 4.2 check valve effects of formation to the mouth of pipe 3.3 of piston plate in the middle of piston; Upper surface inner ring is inserted in cone-shaped spring 6 again, has just become an entirety, conveniently to fill in cylinder body 5.1 cavity that shower nozzle inwall surrounds and formative dynamics sealing; Described pump cover 9 oral area 9.1 penetrates the lower port 5.2 that caulked is fixed on shower nozzle 5 through piston rod end 3.2, with the stroke of stable also limited piston 3, provide the initial pressure that spring needs simultaneously; Described piston rod end 3.2 plug connects bottle cap interface 1.2, the mouth of pipe 1.1 bottom UNICOM's bottle cap 1, then inserts skirt 2 and stretch in lotion pump;
Nozzle 7 connects spray outlet 5.4, inside has Outlet check valves 8.
Piston 4 entirety is an elastomeric elements, and piston O circle has the external diameter slightly larger than cylinder body; The external diameter (edge) of piston plate is inserted in stablize its position in piston ring indent, and ensures the pressure that piston ring is suitable to cylinder wall, to form the dynamic seal (packing) of needs.The Qian He of piston and piston plate also can be set with column and aperture to increase its stability.
The diameter of each circle of described cone-shaped spring 6 is at least all than the little wire diameter of a upper circle, and therefore during piston 4 descending discharge opeing, spring can be pressed into flats.
The piston pump shower nozzle of above embodiment, can be used for pump liquid, if obvious many air piston pumps in its outer ring, so just can form foam pump;
Embodiment two
As shown in Figure 2, foam pump shower nozzle comprises liquid piston pump a and air piston pump b, is installed in the two-layer round wall of shower nozzle respectively, and piston pump a is just arranged in the inner casing of internal layer circle wall formation, and for the suction of liquid, its structure is identical with embodiment one; Shower nozzle interannular circle wall cavity is cylinder, installs the suction that air piston pump b is used for air.
Described air piston pump b comprises piston rod b3, piston b4, shower nozzle 5, cone-shaped spring 6, nozzle 7, Outlet check valves 8, pump cover 9, seal ring 10.
Described piston b4 is elastic body, and have two O to enclose b4.1, b4.4 and carry out dynamic seal (packing) to two circle walls of shower nozzle interannular respectively, have an import check valve loose-leaf b4.2 between two O circles, one piece is injection molded; Described piston plate b3.1 tightly overlaps the concave surface that piston elastic body b4 two O enclose b4.1, b4.4, and described piston rod b3 has mouth of pipe b3.3 relative with loose-leaf b4.2; Described cylinder piston rod b3 and liquid cylinder piston bar a3, be all static, form barrel forms, bottom b3.2, a3.2 are fixed on bottle cap, and piston rod a3.2 is communicated with skirt 1 in bottle cap, and skirt stretches in lotion pump; Piston rod b3 bottom needs aperture b3.5 makes annular space space unlikely to outer closure;
Described spring 6 shares, and is installed on cylinder piston b4, spring 6 and piston plate b3.1 clamp piston b4 simultaneously;
Its oral area 9.1 of described pump cover 9 penetrates through piston rod end b3.2 the lower port 5.2 that caulked is fixed on shower nozzle 5, with stable and limited piston a4, b4 stroke, provides the initial pressure that spring needs simultaneously; Pump cover 9 has aperture 9.2 as admission port;
Described nozzle 7 and shower nozzle 5 separate injection moulding, to facilitate installation outlet check valve 8 and to consider net 11; Described Outlet check valves 8 is an integral, flexible body, has loose-leaf a8.1 and b8.1 to play check valve to the outlet of liquid cylinder and gas cylinder respectively.Nozzle 7 has connecting portion 7.2 cuttage to enter the connecting portion 5.3 of shower nozzle.
As Fig. 2 .1, consider net 11 and preferentially adopt several layers of nonwoven fabrics or sponge, become tubulose to fill in in the hybrid chamber of nozzle by the annulus Side hole 7.4 of shower nozzle; By the filter screen 11 in annulus Side hole 7.4 to nozzle, with the liquid of discharging in process, fierce disturbance must be there is and foams in gas.Described filter screen fills in appropriate depth in nozzle bore, and object is the path increasing foam cutting and grinding at flow velocity maximum.Importantly the hardness of sponge and nonwoven fabrics, porosity can customize on demand, and foam is discharged resistance and can be regulated.
During operation, two pistons and piston rod are static relative to bottle cap, and the cylinder body being shower nozzle, relative to piston movement, changes the cylinder space volume of two upper piston area and realizes synchronous imbibition, air-breathing and synchronous discharge opeing, exhaust.
Foam pump shower nozzle described in embodiment two has the surface identical with usual foam pump, and it has piston rod between shower nozzle and bottle cap, and the height of piston rod is used for the stroke of dispenser nozzles.
Further, if make liquid piston pump be configured in bottle cap, be just conducive to the Volumetric efficiency improving cylinder; And if cylinder piston is directly configured on bottle cap, the structure of foam pump will simplify greatly, please see following examples:
Embodiment three
Consult Fig. 3, foam pump shower nozzle comprises liquid piston pump a and air piston pump b, comprises: bottle cap 1, skirt 2, piston rod a3, piston a4, b4, shower nozzle 5, cone-shaped spring 6, nozzle 7, import and export check valve, worry net 11 and seal ring 10.
Described liquid piston pump a, its cylinder body is provided by described bottle cap 1 time space, and piston pump a is just arranged on the suction for liquid in cylinder, piston a4 is had to be installed on piston rod a3, to cylinder wall dynamic seal (packing), described piston rod one end connects shower nozzle 1, and spray outlet has Outlet check valves; Import check valve a13 is had at the bottom of cylinder body.Aforesaid liquid pump structure is identical with conventional piston pump.
Described air piston pump b, shower nozzle 5 inwall surrounds cylinder b5.1, and its diameter is a bit larger tham bottle cap 1, so bottle cap 1 just can enter in shower nozzle 5; On bottle cap 1, outer rim and cylinder 5.1 lower edge have notched ring-type buckle 1.5,5.5 respectively, snap in rear formation longitudinal restraint, and shower nozzle just can be avoided to deviate from; Must be especially: bottle cap 1 top outer rim is configured with O circle as piston b4, and therefore bottle cap 1 itself instead of the function of piston rod and piston plate, the stroke of shower nozzle is implemented outside bottle cap;
In Fig. 3, the position at each component place is for suck fluid, described liquid piston b4 topmost, described air piston a4 bottom, when compressing shower nozzle 5, fluid cylinder inner piston rod b3 is thereupon descending, import and export check valve automatic open close, discharged by liquid through outlet, described piston b4 is motionless simultaneously, the descending Compress Spring 6 of shower nozzle 5, gas pressurized is discharged through outlet; Stop pressing, the upwards resilience of described spring 6, import and export check valve automatic open close, cylinder and fluid cylinder just simultaneously in suction, as seen when shower nozzle 5 up-and-down movement, the imbibition of the air-breathing of cylinder, exhaust and fluid cylinder, discharge opeing synchronized operation all the time.
Pump housing space for liquid is not former in nozzle cavity, therefore with a12 label, to show difference.By cylinder body to downward-extension, import check valve a13 need be increased, but the space under obtaining bottle cap, just make cylinder space increase, improve effect of pump gas.
The large loop diameter of described cone-shaped spring 6 has interference fit to cylinder bore diameter, just makes spring be stable in cylinder, and the height of spring slightly should be longer than stroke; Fig. 3 shows piston b4 and has been contained on bottle cap, is pushed by bottle cap in shower nozzle, top, bottle cap face upper spring 6, and make spring-compressed, form the initial pressure needed, the buckle 5.5,1.5 of shower nozzle and bottle cap just snaps at that time; Therefore spring 6 is greater than the height of stroke, determines the size of initial pressure.
The buckle of described shower nozzle and bottle cap provides the longitudinal restraint of shower nozzle, but the buckle of bottle cap 1.5 pairs of shower nozzle inwalls still have gap, and shower nozzle just can relative to piston and bottle cap motion.
The gas vent b5.4 of embodiment three, on liquid outlet a5.4 limit, shares an Outlet check valves 8, shares a loose-leaf 8.1.Also the mode as embodiment two can separate two loose-leaves, and have the loose-leaf space of shower nozzle annulus around liquid of band Side mouth; Gas feed check valve b14 and gas inlet hole 5.7 are configured on shower nozzle, and air is entered by the annular space between shower nozzle and nozzle.
The annexation of described nozzle 7 and shower nozzle 5 and identical with embodiment two.
Fig. 3 .1 is that shower nozzle presses down, spring-compressed, the schematic diagram of foam pump when liquefied gas is discharged.
This foam pump shower nozzle visible, its cylinder piston b4, just on bottle cap, is static, is that the crank motion of shower nozzle 5 changes bottle upper part of the cover cylinder space volume and realizes air-breathing and exhaust; Drive the cylinder space volume of liquid cylinder piston a4 bottom in bottle cap simultaneously, achieve synchronous imbibition and discharge opeing;
As Fig. 3 .2, the balance aperture 1.3 of described bottle cap is preferably configured in cylindrical sidewall, relative with the loose-leaf 10.1 of seal ring 10; The piston of bottle cap directly forms piston ring 1.8 by Edge on bottle cap simultaneously, is conducive to reducing the number of components, reduces material and assembly cost further.
Because the height of whole foam pump reduces greatly, therefore liquid piston also can use conventional pp material manufacture.
Embodiment three utilizes bottle cap inwall to form fluid cylinder, utilizes shower nozzle inwall to form cylinder, and formative dynamics sealing in the cylinder making bottle cap band piston structure stretch into shower nozzle, complete the maximization of foam pump space utilization.
This foam pump shower nozzle has not had the surface of usual foam pump, does not have piston rod under shower nozzle, the outer wall configurations of the bottle cap stroke of shower nozzle.
Following data can show the advantage of foam pump shower nozzle.Shower nozzle and bottle cap are inserted in, can be calculated: stroke 17mm, cylinder piston diameter 36mm, comparatively usual foam pump piston 31 is large 5mm, but the external diameter of shower nozzle is 39-40mm (adding 0.5-1mm clearance meter with casing wall 1.3mm), also little compared with the bottle cap external diameter 45 of usual foam pump; The bottom-to-top-height that 3D mapping software provides nozzle connecting bottle cap is 51-53mm, and far away from the half of usual foam pump height, but cylinder piston diameter and stroke are all large, and free air capacity is obviously also large compared with usual foam pump.
If select 30mm bottle cap, cylinder piston diameter 31mm is just identical with usual foam pump, but the external diameter of shower nozzle is 34-35mm, and stroke 17mm, free air capacity is also large than usual foam pump, and its external form is much small and exquisite.
Embodiment four
See Fig. 4, for foam pump shower nozzle is used for hair dye, have two fluid cylinders a1, a2 in bottle cap, in bottle 16, have two bag films 15, load two doses of hair dye, be individually fixed on two fluid cylinder outer walls; Respectively there is liquid piston a4 to be fixed on shower nozzle 5 in two fluid cylinders, at the bottom of fluid cylinder, respectively have import check valve a13; Nozzle 7 has mixing tube 7.1; Nozzle and shower nozzle have joint portion, and are configured with the import and export check valve of liquid outlet check valve a8 and air.Bottle cap is configured with piston, seals with the inwall formative dynamics of shower nozzle, and bottle cap and shower nozzle have buckle 1.5,5.5 to provide longitudinal restraint to shower nozzle.
Embodiment five is actually and expands to two fluid cylinders by embodiment four, and its principle of work is identical, has identical technical characteristic.。
Fig. 4 provides ball as Outlet check valves, in fact also can use the check valve of other structures;
Because liquid is in bag film, between bottle and bottle cap, do not need seal ring.
In above each embodiment, described foam pump shower nozzle belongs to a kind of piston pump shower nozzle, because air piston pump is installed in shower nozzle, is obviously the shower nozzle being different from conventional piston pump, neither the shower nozzle of usual foam pump; Due to the scantling of employing and the allowance difference of cooperation, therefore the data obtained have error, restriction reason of the present invention can not be become, the further improvement of some structure is not limited yet, import and export check valve and the selection of filter screen, space that the configuration of hybrid chamber still has optimization, need in industrial implementation perfect.
The description of each embodiment, enables professional and technical personnel in the field realize or uses the present invention; To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a piston pump shower nozzle, comprise piston pump and shower nozzle (5), it is characterized in that: described piston pump is installed in shower nozzle, shower nozzle inwall defines cylinder body (5.1) space; Described piston pump comprises bottle cap (1), skirt (2), piston rod (3), piston (4), import check valve (4.2), shower nozzle (5), cone-shaped spring (6), nozzle (7), Outlet check valves (8), pump cover (9), seal ring (10);
There is piston plate (3.1) described piston rod (3) upper end, and piston plate (3.1) to be tightly inserted under described piston (4) in the indent of Side face; Described cone-shaped spring (6) is inserted in the upper surface indent of piston (4), then stretches in the cylinder body (5.1) of shower nozzle simultaneously, and the cylindrical wall of piston (4) seals described cylinder body (5.1) inwall formative dynamics;
Described pump cover (9) is through piston rod (3) lower port (3.2), caulked is fixed on the lower port (5.2) of shower nozzle, with the stroke of stable also limited piston (4), provide the initial pressure that spring needs simultaneously;
Described nozzle (7), in spray outlet (5.4) side, is provided with Outlet check valves (8);
Described piston rod (3) lower port (3.2) cuttage is in bottle cap interface (1.2), and be communicated with skirt (2) in bottle cap, skirt stretches in lotion pump;
Described piston (4) encloses for elastic body O, once injection molded, comprise two piston rings (4.1) be connected, two interannulars have unidirectional loose-leaf (4.2), constitute the effect of the check valve to piston plate (3.1) mouth of pipe;
Described piston pump shower nozzle, is further characterized in that: described piston (4) is static relative to bottle cap (1), is the cylinder space volume that the crank motion of shower nozzle changes upper piston area, thus realizes imbibition and discharge opeing; It is the stroke that piston rod (3) is configured with shower nozzle (5).
2. a piston pump shower nozzle, comprise air piston pump (b) and liquid piston pump spray-head (a) as claimed in claim 1, described liquid piston pump (a) is arranged at internal layer circle wall (a5.1) of shower nozzle (5), and its structure is identical with the piston pump shower nozzle described in claim (1);
Described air piston pump (b), it is arranged at the interannular of shower nozzle (5), comprises bottle cap (1), piston rod (b3), piston (b4), shower nozzle (5), cone-shaped spring (6), nozzle (7), Outlet check valves (b8), pump cover (9), seal ring (10), considers net (11);
Described piston (b4) is elastic body, two O circle (b4.1), (b4.4) are had to carry out dynamic seal (packing) to two walls of shower nozzle (5) interannular respectively, have an import check valve loose-leaf (b4.2) between two O circles, elastic body is once injection molded; The piston plate (b3.1) of described piston rod (b3) tightly fill in piston (b4) two O circle (b4.1), (b4.4) recessed in; Described check valve loose-leaf (b4.2), forms the check valve effect to piston plate (3.1) mouth of pipe;
Described spring (6) shares, and is installed on above cylinder piston (b4), spring (6) and piston plate (b3.1) clamp piston (b4) simultaneously;
The oral area (9.1) of described pump cover (9) penetrates through the end (b3.2) of piston rod the lower port (5.2) that caulked is fixed on shower nozzle (5), with stable and limited piston (a4), (b4) stroke, provide the initial pressure that spring needs simultaneously; Pump cover (9) has air inlet aperture (9.2);
The piston rod (b3) of described cylinder and the piston rod (a3) of fluid cylinder form barrel forms, be fixed on bottle cap (1), described liquid cylinder piston bar (a3) is communicated with skirt in bottle cap (2), and skirt stretches in lotion pump;
Described piston pump shower nozzle, be further characterized in that: two pistons (a4), (b4) are static relative to bottle cap (1), be the cylinder space volume that the crank motion of shower nozzle (5) changes two upper piston area in shower nozzle, thus realize synchronously imbibition and air-breathing, synchronously discharge opeing and the exhaust of two pumps; Be piston rod (a3), (b3) be configured with the stroke of shower nozzle (5).
3. a piston pump shower nozzle, comprise a liquid piston pump (a) and air piston pump (b), it is characterized in that, described liquid piston pump (a) is arranged in the fluid cylinder in bottle cap, liquid piston pump structure and implement identical with conventional liq piston pump;
Described air piston pump b, is arranged in the cylinder (5.1) of shower nozzle (5) inwall formation; Comprise bottle cap (1), piston (b4) or piston ring (1.8), shower nozzle (5), cone-shaped spring (6), nozzle (7), Outlet check valves (b8.1), seal ring (10), consider net (11); It is characterized in that:
Cylinder (5.1) internal diameter of described shower nozzle is a bit larger tham the external diameter of bottle cap (1), bottle cap (1) can stretch in the cylinder (5.1) of described shower nozzle, it is characterized in that: cylinder (5.1) lower edge of the outer rim above described bottle cap (1) and shower nozzle has buckle (1.5) and (5.5) respectively, described spring (6) is public, be installed on bottle cap (1), when bottle cap (1) is inserted in shower nozzle (5), snap into longitudinal restraint, the simultaneously surperficial pressuring spring (6) of bottle cap (1), form that spring needs initial pressure;
Described bottle cap (1), is characterized in that: bottle cap upper limb (1.7) has been installed elastic piston O and enclosed (b4), or bottle cap carries piston ring (1.8), and its cylinder to shower nozzle (5.1) inwall formative dynamics seals;
Described piston pump shower nozzle, be further characterized in that: piston (b4) or piston ring (1.8) are just on bottle cap, necessarily static, it is the volume of cylinder that the crank motion of shower nozzle (5) changes on bottle cap, thus realize air-breathing and exhaust, synchronously change the fluid cylinder volume under bottle cap inner carrier (a4) simultaneously, thus realize imbibition and discharge opeing; The stroke of the shower nozzle (5) that has been the outer wall configurations of bottle cap.
4., by piston pump shower nozzle according to claim 3, it is characterized in that, also comprise two liquid piston pump (a1), (a2) and air piston pump (b); Described liquid piston pump (a1), (a2) are arranged in two fluid cylinders in bottle cap respectively, and piston pump (a1), (a2) are respectively used to the pumping of two kinds of liquid, described two liquid piston pump structures and implement identical with conventional liq piston pump;
Described air piston pump (b), is arranged in shower nozzle, and its feature is identical with the air piston pump of claim 3.
5., by piston pump shower nozzle according to claim 4, it is characterized in that, the outer wall of shower nozzle (5) can be implanted with comb, and jet expansion (7), between comb, has two bag films to be respectively charged into hair dye in Packaging Bottle.
6. the piston pump shower nozzle according to claim 2 to 4 any one, it is characterized in that, nozzle (7) and shower nozzle (5) separately injection moulding, nozzle (7) has joint portion (7.2) cuttage to enter the joint portion (5.3) of shower nozzle; Described Outlet check valves (8) is an integral, flexible body, has a loose-leaf (8.1) or two loose-leaves (a8.1) and (b8.1) outlet to liquid cylinder and gas cylinder to play check valve effect; Described Outlet check valves (8) upper space is communicated with nozzle (7), and have hybrid chamber (7.1) to fill in and consider net (11), described worry net (11) preferentially adopts several layers of nonwoven fabrics or sponge, and one end can become tubulose, fills in appropriate depth in nozzle bore.
7. by the piston pump shower nozzle described in Claims 1-4, it is characterized in that, described spring (6) is preferably cone-shaped spring, and the diameter of each circle of cone-shaped spring (6) is at least all than the little wire diameter of a upper circle, and when therefore shower nozzle (5) is descending, spring can be pressed into flats.
8., by the piston pump shower nozzle described in claims 1 to 3 any one, it is characterized in that the sidewall of described bottle cap (1) has balance aperture (1.3), relative with the unidirectional loose-leaf (10.1) of seal ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958748.7A CN105564802B (en) | 2015-12-18 | 2015-12-18 | A kind of piston pump spray-head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510958748.7A CN105564802B (en) | 2015-12-18 | 2015-12-18 | A kind of piston pump spray-head |
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| CN105564802A true CN105564802A (en) | 2016-05-11 |
| CN105564802B CN105564802B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510958748.7A Active CN105564802B (en) | 2015-12-18 | 2015-12-18 | A kind of piston pump spray-head |
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| CN (1) | CN105564802B (en) |
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| CN109205066A (en) * | 2018-09-28 | 2019-01-15 | 东莞市盈新化妆品有限公司 | Skirt check valve and simple piston pump |
| CN113524005A (en) * | 2021-07-22 | 2021-10-22 | 石辉 | New energy automobile accessory surface pretreatment equipment |
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| Publication number | Publication date |
|---|---|
| CN105564802B (en) | 2018-06-29 |
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Effective date of registration: 20180508 Address after: 510663 Guangdong science and Technology Development Zone, Guangzhou science and Technology Development Zone, 111, No. eight, 803 and 805 units, main building of information tower, science city. Applicant after: Guangzhou Wan Yue Intellectual Property Operation Co., Ltd. Address before: Jingshan Hill, Shijingshan District, Beijing, 113 West Road, Jingshan Hill, Fortune Center 743 Applicant before: Zhong Jingzheng |
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Effective date of registration: 20181227 Address after: 210000 No. 241 Fenghuang West Street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Li Guangmei Address before: 510663 Guangdong science and Technology Development Zone, Guangzhou science and Technology Development Zone, 111, No. eight, 803 and 805 units, main building of information tower, science city. Patentee before: Guangzhou Wan Yue Intellectual Property Operation Co., Ltd. |
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Effective date of registration: 20190708 Address after: 510800 Block F of Tuanjie Village Second Industrial Zone, Huadu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Czech packaging products Co., Ltd. Address before: 210000 No. 241 Fenghuang West Street, Gulou District, Nanjing City, Jiangsu Province Patentee before: Li Guangmei |