CN102285484A - Foam pump - Google Patents
Foam pump Download PDFInfo
- Publication number
- CN102285484A CN102285484A CN201110183814XA CN201110183814A CN102285484A CN 102285484 A CN102285484 A CN 102285484A CN 201110183814X A CN201110183814X A CN 201110183814XA CN 201110183814 A CN201110183814 A CN 201110183814A CN 102285484 A CN102285484 A CN 102285484A
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- China
- Prior art keywords
- valve
- principal post
- cylinder
- air valve
- air
- Prior art date
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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
- 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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- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The invention relates to a foam pump, which is used for sucking liquid in a container and automatically spraying the liquid to form foam through a nozzle. In the foam pump, a shell consists of a pressing head, a rotary cover and a cylinder, wherein the pressing head, an air valve, a main column, a large piston, the rotary cover, a connecting rod, a small piston, the cylinder, a spring and a valve are arranged in the shell in sequence; a net pipe is arranged between the pressing head and the air valve; the spring is arranged between the main column and a cylinder pedestal; the net pipe extends into a pressing head casing pipe from the lower space; the lower end of the net pipe is communicated with the air valve; at least the inlet end of the net pipe is provided with a filter screen; the air valve has a tubular structure, and the middle part of the air valve is provided with a circular ring with a downward periphery and a convex edge part; the pressing head is pressed against the upper part of the circular ring; the inner wall of the circular ring is provided with an air groove; and the inner wall of a pipe below the air valve is provided with an exhaust groove. Since the spring is arranged in an air chamber of the cylinder, the spring is prevented from being contacted with a chemical material and being rusted; since the large piston and the small piston cannot be in linkage, the sealing property is guaranteed; and due to the design of the net pipe, the sprayed foam is more uniform.
Description
Technical field
The present invention relates to a kind of foam pump.
Background technology
Existing foam pump is made up of suction cylinder and suction fluid cylinder that outlet communicates, wherein, the suction cylinder is made of cylinder block and piston, bring the fluid check valve on the fluid cylinder into, the piston of suction cylinder links to each other with the piston of suction fluid cylinder, pushes pressure head during use the piston that aspirates cylinder is synchronoused working with the piston of suction fluid cylinder, and the suction fluid cylinder sucks the pure suction of container breast, suction cylinder with air, emulsion and air mix mutually in the exit and become the foam ejection then, but this infrastructure cost height.
In addition, patent No. ZL2005200636954 discloses the foam pump of another kind of type, comprise cylinder body, head, plug pipe and spring, be characterized in being provided with in the cylinder body coaxial fluid cylinder and cylinder, be positioned at the central authorities of cylinder body under the fluid cylinder, cylinder is positioned at the periphery of fluid cylinder, the annular wing of cylinder and head bottom matches, fluid cylinder matches with the external diameter of plug pipe end, the limited post spacing ring matches with the spacing button of plug pipe, the inlet of the head of limited post bottom and fluid cylinder bottom constitutes the feed liquor check valve, the limited post bottom is provided with barb and catches on inlet, and spool is formed the fluid check valve with the plug pipe, the plug pipe, surround the suction sap cavity between spool and the fluid cylinder; Is connected with valve seat between plug pipe and the head, spring is located between valve seat and the cylinder, and cylinder, plug are managed, surround the suction air cavity between the valve seat, and the valve seat lower end is provided with radially-protruding annular lower disc, valve block on the annular that stretch out vertically on valve seat top; The outlet of outgassing nonreturn valve and fluid check valve is communicated with the nozzle of head.
Summary of the invention
Technical matters to be solved by this invention is: propose a kind of large and small piston and can not link and spray the uniform foam pump of foam.
The technology of the present invention problem solves by following technical proposals: a kind of foam pump, in order to draw the liquid in the container and to make this liquid spray foam from nozzle, constitute shell by pressure head, spiral cover and cylinder, comprise pressure head, air valve, principal post, big piston, spiral cover, pipe link, valve piston, cylinder, spring and valve in the shell in regular turn, between pressure head and air valve, be provided with webmaster, spring is located at outside the principal post, wherein:
One pressure head which is provided with nozzle for the foam ejection, and its hypomere portion has a hollow sleeve and takes over, and this faucet pipe inwall is provided with ring groove or draw-in groove;
One webmaster stretches in the faucet pipe from the below, and the lower end of webmaster is communicated with air valve, is provided with filter screen at the webmaster arrival end at least;
One air valve is a tubular structure, the middle part is provided with periphery downwards and the annulus of band convex edge, pressure head is against the annulus top, circle ring inner wall is established air inlet duct, air valve below inside pipe wall is provided with air discharge duct, and the tube wall external diameter of air valve top is provided with bulge loop and faucet pipe inwall ring groove or draw-in groove coupling and mutual socket snap fit;
One principal post, for being the body of hollow structure, the ring portion downward by a periphery is divided into cannula portion and tube with body, and the ring portion upper surface is provided with the back-up ring that is trapped among the cannula portion periphery, and cannula portion and air valve below pipeline connection form blending box in the pipe;
One big piston has collar extension up and down, is enclosed between principal post and the air valve, and the outer wall of big piston contacts with cylinder inner wall, and the wall of last collar extension and air valve circle ring inner wall are fitted, and the oblique seal ring that has of big piston inwall also is provided with pore and air drain on the big piston;
One pipe link, its epimere portion penetrates the tube of principal post and links with principal post, and its outer rim is provided with one and more than one axial guide channel, and its hypomere portion is the stop portion of a ring-type, and the fluid that is sucked enters in the blending box along mobile jib along the guide channel;
One valve piston movable sleeve places the pipe link bottom, and periphery contacts with cylinder inner wall, has collar extension and following collar extension on one respectively, and the principal post below is against in the collar extension, and can cooperate the action of finishing the fluid pass or opening Yu Zhi File portion by a crank motion;
One cylinder band, system is sheathed on big piston and valve piston periphery and is the perforation tubular body of a up big and down small convergent, and it is big and hold principal post ring portion and above position to have one section bore, under one section bore is less the ccontaining socket in end the tube of pipe link, between this upper end and bottom, engage and form a spring perch on the inwall, this below, bottom has an inlet than path, and this inlet is established an one-way cock;
One big spring places outside this principal post, an end and spring perch against, the ring portion of the other end and principal post is replaced, with the restoring force that provides principal post one to make progress;
One little spring is socketed in principal post tube periphery, and an end and tube are replaced, and the other end is stretched on valve piston and in the collar extension, valve piston replaced by elasticity.
Principle is: when extrusion head down moves, driving air inlet valve and principal post moves together, big piston and valve piston are owing to be subjected to cylinder tube wall friction effect and transfixion, discharging this moment valve port is opened gradually, the air inlet duct that is positioned on the air inlet valve is closed gradually, seal ring breaks away from back-up ring gradually and the exhaust passage is opened, and in the process that constantly presses down, the gas in the cylinder is entered air discharge duct from cylinder through the slit between back-up ring and the seal ring, enter blending box then, mix with the liquid that enters blending box with process discharging valve port in the process of pressing down, then, webmaster produces foam after filtration, and extrudes from the pressure head nozzle.
When unclamping pressure head, owing to be subjected to the spring reset effort, make the up motion together of principal post and air inlet valve, this moment, big piston and valve piston were subjected to the friction effect of cylinder tube wall and transfixion, discharging valve port in valve piston place is closed, air inlet duct between big piston and the air inlet valve is opened, pathway closure between back-up ring and the piston packing ring, and make seal ring hold air inlet valve tightly, make its sealing, with principal post and constantly up motion of pipe link, drive big piston and valve piston and up move, the volume of interior air chamber of cylinder and liquid chamber is increased, thereby extraneous air sucks from the air valve air inlet duct, pore and air drain through being arranged on the big piston enter air chamber, and the liquid material in the container is inhaled into liquid chamber through valve, for next stock is prepared.
On the such scheme basis, described webmaster arrival end is established coarse strainer, and exit end is established fie screen, improves the texture and the sophistication of foam.
For cooperating the webmaster and the air valve of different structure, one wide diameter portion is arranged at a described pressure head faucet pipe bottom, be provided with annular recess or draw-in groove at the wide diameter portion inwall, and form convex annular rank at the wide diameter portion section start, described webmaster stretches into wide diameter portion and is replaced by protruding rank from the below.
Described webmaster lower end is stretched in the tube wall of air valve.
The invention provides a kind of network management framework, webmaster is provided with bulge loop, is being provided with side exit towards the jet hole direction, and fie screen is located at the side exit place, and webmaster stretches into from the below of pressure head faucet pipe, and bulge loop is replaced by protruding rank.
Collar extension and pipe link end between File portion when opening and are formed with a clearance channel under the described valve piston, as liquid material discharging valve port.
Be connected with container for convenient, the below, end is provided with the container bonded assembly and is connected oral area under the described cylinder band.
Air valve structure of the present invention can be various, more is provided with a pore between the cylinder band as described on the wall of bottom, and this pore can make cylinder band and extraneous air conducting, with balance because the air pressure in the liquid ejection exhaust casing body.
Be provided with the screens ring in the described air valve, the screens ring is replaced the top of principal post cannula portion.
In order to improve discharging valve port leak tightness, external diameter shrinks and forms boss below principal post, and little spring is enclosed within outside the principal post contraction flow region, and an end is replaced boss, and the other end stretches on the valve piston in the collar extension.
Preceence of the present invention is: because spring places in the air chamber of cylinder, stop itself and the contacting of chemical substance, prevent that spring from getting rusty; Because big valve piston can not link, provide leak tightness again, the foam of ejection is more even.
Description of drawings
Accompanying drawing 1 the present invention one mode of operation section-drawing;
Another mode of operation section-drawing of accompanying drawing 2 embodiment of the invention 2;
Accompanying drawing 3 embodiment 1 network management framework figure;
Accompanying drawing 4 is embodiment 1 cylinder, big piston, principal post, pipe link, valve piston johning knot composition
Accompanying drawing 5 exploded drawingss of the present invention
Accompanying drawing 6 is the enlarged drawing of Fig. 4
Accompanying drawing 7 embodiment 2 network management framework figure
Description of drawings:
Enclosing cover-1;
Pressure head-2; Nozzle-201;
Hollow sleeve takes over-202; Wide diameter portion-2021; Convex annular rank-2022;
Webmaster-3,3 '; Bulge loop-303,303 ';
Coarse strainer-301,301 '; Fie screen-302,302 ';
Air valve-4; Air inlet duct-401; Air discharge duct-402; Annulus-403;
Screens ring-404
Principal post-5; Back-up ring-501; Blending box-502; Cannula portion-503;
Tube-504; Ring portion-505; Boss-506;
Big piston-6; Seal ring-601; Pore-602; Air drain-603;
Spiral cover-7;
Pipe link-8; Stop portion-801; Axial guide channel--802;
Valve piston-9; Last collar extension-901; Following collar extension-902;
Cylinder band-10; Air chamber-1001; Liquid chamber-1002; Spring perch-1003
Big spring-11; One-way cock-12; Little spring-13.
The specific embodiment
Embodiment 1
As accompanying drawing 1 the present invention one mode of operation section-drawing, accompanying drawing 3 embodiment 1 network management framework figure, accompanying drawing 5 exploded drawingss of the present invention and accompanying drawing 4 is shown in embodiment 1 cylinder, big piston, principal post, pipe link, the valve piston johning knot composition:
A kind of foam pump, in order to draw the liquid in the container and to make this liquid spray foam from nozzle, constitute shell by pressure head, spiral cover and cylinder, comprise pressure head 2, air valve 4, principal post 5, big piston 6, spiral cover 7, pipe link 8, valve piston 9, cylinder 10, spring and valve 12 in the shell in regular turn, be provided with webmaster 3 at pressure head 2 and 4 in air valve, spring is located at outside the principal post 5, wherein:
One pressure head 2 which is provided with nozzle 201 for the foam ejection, and a wide diameter portion 2021 is arranged at pressure head 2 faucet pipes 202 bottoms, is provided with annular recess or draw-in groove at wide diameter portion 2021 inwalls, and forms convex annular rank 2022 at wide diameter portion 2021 section starts;
One webmaster 3, stretch in the faucet pipe 202 from the below, the lower end of webmaster 3 is communicated with air valve 4, and arrival end is established coarse strainer 301, as shown in Figure 3, the webmaster 3 outer bulge loops 303 that are provided with, be provided with side exit towards the jet hole direction, fie screen 302 is located at the side exit place, and webmaster 3 upwards stretches into wide diameter portion 2021 from the below of pressure head 2 faucet pipes 202, bulge loop 303 is replaced by protruding rank 2022, and webmaster 3 lower ends are stretched in the tube wall of air valve 4;
As Fig. 4 and shown in Figure 6, one air valve 4 is a tubular structure, the middle part is provided with periphery downwards and the annulus 403 of band convex edge, pressure head 2 is against annulus 403 tops, annulus 403 inwalls are established air inlet duct 401, and air valve 4 below inside pipe walls are provided with air discharge duct 402, and the tube wall external diameter of air valve 4 tops and faucet pipe 202 inwalls coupling and mutual socket are fixed, be provided with screens ring 404 in the air valve 4, screens ring 404 is replaced the top of principal post 5 cannula portion 503;
One principal post 5, for being the body of hollow structure, the ring portion 505 downward by a periphery is divided into cannula portion 503 and tube 504 with body, ring portion 505 upper surfaces are provided with the back-up ring 501 that is trapped among cannula portion 503 peripheries, cannula portion 503 and air valve 4 below pipeline connections, form blending box 502 in the pipe, principal post 5 below external diameters shrink and form boss 506;
One big piston 6 has upper and lower collar extension, be enclosed within outside the cannula portion 503 between principal post 5 and the air valve 4, the outer wall of big piston 6 contacts with cylinder 10 inwalls, the wall of last collar extension and air valve 4 annulus 403 inwalls are fitted, the oblique seal ring 601 that has of big piston 6 inwalls also is provided with pore 602 and air drain 603 on the big piston 6;
One pipe link 8, its epimere portion penetrates the tube 504 of principal post 5 and links with principal post 5, its outer rim is provided with one and more than one axial guide channel 802, and its hypomere portion is the stop portion 801 of a ring-type, and the fluid that is sucked enters in the blending box 502 along mobile jib along the guide channel;
One valve piston, 9 movable sleeves place pipe link 8 bottoms, periphery contacts with cylinder 10 inwalls, have collar extension 901 and following collar extension 902 on one respectively, principal post 5 belows are against in the collar extension 901, and can finish the discharging action that fluid closes or opens owing to crank motion cooperates Yu Zhi File portion 801, this time collar extension 902 is Yu 801 in Zhi File portion is formed with a clearance channel when opening, as the fluid feed valve mouth;
One cylinder band 10, system is sheathed on big piston 6 and valve piston 9 peripheries and is the perforation tubular body of a up big and down small convergent, and it is big and hold principal post 5 ring portions 505 and above position to have one section bore, under one section bore is less the ccontaining socket in end the tube 504 of pipe link 8, between this upper end and bottom, engage and form a spring perch 1003 on the inwall, this below, bottom has an inlet than path, and this inlet is established an one-way cock 11;
One big spring 11 places outside this principal post 5, an end and spring perch 1003 against, the ring portion 505 of the other end and principal post 5 is replaced, with the restoring force that provides principal post 5 one to make progress;
One little spring 13 is socketed in principal post 5 tubes 504 peripheries, and an end and tube are replaced, and the other end is stretched on valve piston 9 in the collar extension 901, and valve piston 9 is replaced by elasticity;
Be connected with container for convenient, be provided with one under the described cylinder band below the end and be connected oral area with the container bonded assembly.
9 times collar extensions 902 of described valve piston and end when 803 in File portion opens and be formed with a clearance channel are as liquid material discharging valve port.
More be provided with a pore on the described cylinder band 10 bottom walls, this pore can make cylinder band and extraneous air conducting, with balance because the air pressure in the liquid ejection exhaust casing body.
Be provided with screens ring 404 in the described air valve 4, screens ring 404 is replaced the top of principal post 5 cannula portion 503.
One little spring 13 is enclosed within outside principal post 5 contraction flow regions, and an end is replaced below principal post 5 external diameter and shunk and form boss 506 places, and the other end stretches on the valve piston 9 in the collar extension 901.
When extrusion head 2 down moves, driving air valve 4 and principal post 5 moves together, big piston 6 and valve piston 9 are owing to be subjected to cylinder 10 tube wall friction effects and transfixion, discharging this moment valve port is opened gradually, the air inlet duct 401 that is positioned on the air valve 4 is closed gradually, seal ring 601 breaks away from back-up ring 501 gradually and the exhaust passage is opened, and in the process that constantly presses down, the gas in the cylinder 10 is entered air drain 603 from cylinder 10 through the slit between back-up ring 501 and the seal ring 601, enter blending box 502 then, mix with the liquid that enters blending box 502 with process discharging valve port in the process of pressing down, then, webmaster 3 produces foam after filtration, and extrudes from pressure head 2 nozzles.
When unclamping pressure head 2, owing to be subjected to big spring 11 reset response power effects, make the up motion together of principal post 5 and air valve 4, this moment, big piston 6 was subjected to the friction effect of cylinder tube wall and transfixion with valve piston 9, valve piston 9 places discharging valve port is closed, air inlet duct 401 between big piston 6 and the air valve 4 is opened, pathway closure between back-up ring 501 and big piston 6 seal rings 601, and make seal ring 601 hold air valve 4 tightly, make its sealing, with principal post 5 and constantly up motion of pipe link 8, drive big piston 6 and valve piston 9 and up move, make the volume increase of air chamber 1001 and liquid chamber 1002 in the cylinder 10 respectively, thereby extraneous air sucks from air valve 4 air inlet ducts 401, pore 602 and air drain 603 through being arranged on the big piston 6 enter air chamber 1001, and the liquid material in the container is inhaled into liquid chamber 1002 through valve 12, for next stock is prepared.
Spring of the present invention does not contact with liquid, can not pollute liquid, in addition, because big piston and valve piston can not link, provides excellent leak tightness again.
Wherein, also can not establish bulge loop 303 outside the webmaster 3, webmaster 3 is directly replaced pressure head 2 interior conduit tops.
Shown in another mode of operation section-drawing and accompanying drawing 7 embodiment 2 network management framework figure of accompanying drawing 2 embodiment of the invention 2, other structures and embodiment 1 are same or similar, this foam pump constitutes shell by pressure head, spiral cover and cylinder, comprise pressure head 2, air valve 4, principal post 5, big piston 6, spiral cover 7, pipe link 8, valve piston 9, cylinder 10, big spring 11, valve 12 and little spring 13 in the shell in regular turn, be provided with webmaster at pressure head 2 and 4 in air valve, two springs all are located at outside the principal post 5, in the air chamber of cylinder 10, wherein:
One pressure head 2 which is provided with nozzle 201 for the foam ejection, and a wide diameter portion 2021 is arranged at pressure head 2 faucet pipes 202 bottoms, is provided with annular recess or draw-in groove at wide diameter portion 2021 inwalls, and forms convex annular rank 2022 at wide diameter portion 2021 section starts;
One webmaster 3 ', stretch in the faucet pipe 202 from the below, the lower end of webmaster 3 ' is a coarse strainer 301 ', and the upper end is a fie screen 302 ', described webmaster 3 ' stretches into wide diameter portion 2021 and is replaced by protruding rank 2022 from the below, the lower end of webmaster 3 ' is stretched in the freeing pipe 403 of air valve 4;
One air valve 4 is a tubular structure, the middle part is provided with periphery downwards and the annulus 403 of band convex edge, pressure head 2 is against annulus 403 tops, annulus 403 inwalls are established air inlet duct 401, air valve 4 below inside pipe walls are provided with air discharge duct 402, and the tube wall external diameter of air valve 4 tops and faucet pipe 202 inwalls coupling and mutual socket are fixed;
One principal post 5, for being the body of hollow structure, the ring portion 505 downward by a periphery is divided into cannula portion 503 and tube 504 with body, ring portion 505 upper surfaces are provided with the back-up ring 501 that is trapped among cannula portion 503 peripheries, cannula portion 503 and air valve 4 below pipeline connections, form blending box 502 in the pipe, principal post 5 below external diameters shrink and form boss 506;
One big piston 6 has upper and lower collar extension, be enclosed within outside the tube 504 between principal post 5 and the air valve 4, the outer wall of big piston 6 contacts with cylinder 10 inwalls, the wall of last collar extension and air valve 4 annulus 403 inwalls are fitted, the oblique seal ring 601 that has of big piston 6 inwalls also is provided with pore 602 and air drain 603 on the big piston 6;
One pipe link 8, its epimere portion penetrates the tube 504 of principal post 5 and links with principal post 5, its outer rim is provided with one and more than one axial guide channel 802, and its hypomere portion is the stop portion 801 of a ring-type, and the fluid that is sucked enters in the blending box 502 along mobile jib along the guide channel;
One valve piston, 9 movable sleeves place pipe link 8 bottoms, periphery contacts with cylinder 10 inwalls, have collar extension 901 and following collar extension 902 on one respectively, principal post 5 belows are against in the collar extension 901, and can finish the discharging action that fluid closes or opens owing to crank motion cooperates Yu Zhi File portion 801, this time collar extension 902 is Yu 801 in Zhi File portion is formed with a clearance channel when opening, as the fluid feed valve mouth;
One cylinder band 10, system is sheathed on big piston 6 and valve piston 9 peripheries and is the perforation tubular body of a up big and down small convergent, and it is big and hold principal post 5 ring portions 505 and above position to have one section bore, under one section bore is less the ccontaining socket in end the tube 504 of pipe link 8, between this upper end and bottom, engage and form a spring perch 1003 on the inwall, this below, bottom has an inlet than path, and this inlet is established an one-way cock 11;
One big spring 11 places outside this principal post 5, an end and spring perch 1003 against, the ring portion 505 of the other end and principal post 5 is replaced, with the restoring force that provides principal post 5 one to make progress;
One little spring 13 is socketed in principal post 5 tubes 504 periphery contraction flow region places, and an end is replaced below principal post 5 external diameter and shunk and form boss 506 places, and the other end stretches on the valve piston 9 in the collar extension 901;
Be connected with container for convenient, be provided with one under the described cylinder band below the end and be connected oral area with the container bonded assembly.
9 times collar extensions 902 of described valve piston and end when 803 in File portion opens and be formed with a clearance channel are as liquid material discharging valve port.
More be provided with a pore on the described cylinder band 10 bottom walls, this pore can make cylinder band and extraneous air conducting, with balance because the air pressure in the liquid ejection exhaust casing body.
Be provided with screens ring 404 in the described air valve 4, screens ring 404 is replaced the top of principal post 5 cannula portion 503.
Claims (10)
1. foam pump, in order to draw the liquid in the container and to make this liquid spray foam from nozzle, constitute shell by pressure head (2), spiral cover (7) and cylinder (10), comprise pressure head (2), air valve (4), principal post (5), big piston (6), spiral cover (7), pipe link (8), valve piston (9), cylinder (10), spring and valve (12) in the shell in regular turn, it is characterized in that, between pressure head (2) and air valve (4), be provided with webmaster, spring is located between principal post (5) and cylinder (10) base, wherein:
One pressure head (2) which is provided with nozzle (201) for the foam ejection, and its hypomere portion has a hollow sleeve and takes over (202), and this faucet pipe (202) inwall is provided with ring groove or draw-in groove;
One webmaster (3 or 3 ') stretches in the faucet pipe (202) from the below, and the lower end of webmaster is communicated with air valve (4), is provided with filter screen at the webmaster arrival end at least;
One air valve (4) is a tubular structure, the middle part is provided with periphery downwards and the annulus (403) of band convex edge, pressure head (2) is against annulus (403) top, annulus (403) inwall is established air inlet duct (401), air valve (4) below inside pipe wall is provided with air discharge duct (402), and the tube wall external diameter of air valve (4) top is provided with bulge loop and faucet pipe (202) inwall ring groove or draw-in groove coupling and mutual socket snap fit;
One principal post (5), for being the body of hollow structure, by the downward ring portion of a periphery (505) body is divided into cannula portion (503) and tube (504), ring portion (505) upper surface is provided with the back-up ring (501) that is trapped among cannula portion (503) periphery, cannula portion (503) and air valve (4) below pipeline connection form blending box (502) in the pipe;
One big piston (6) has collar extension up and down, be enclosed between principal post (5) and the air valve (4), the outer wall of big piston (6) contacts with cylinder (10) inwall, the wall of last collar extension and air valve (4) annulus (403) inwall is fitted, the oblique seal ring (601) that has of big piston (6) inwall also is provided with pore (602) and air drain (603) on the big piston (6);
One pipe link (8), its epimere portion penetrates the tube (504) of principal post (5) and links with principal post (5), its outer rim is provided with one and more than one axial guide channel (802), its hypomere portion is the stop portion (801) of a ring-type, and the fluid that is sucked enters in the blending box (502) along mobile jib along the guide channel;
One valve piston (9) movable sleeve places pipe link (8) bottom, periphery contacts with cylinder (10) inwall, have collar extension on (901) respectively and reach collar extension (902) down, principal post (5) below is against in the collar extension (901), and can cooperate the action of finishing the fluid pass or opening Yu Zhi File portion 801 by a crank motion;
One cylinder band (10), system is sheathed on big piston (6) and valve piston (9) periphery and is the perforation tubular body of a up big and down small convergent, and it is big and hold principal post (5) ring portion (505) and above position to have one section bore, under one section bore is less the ccontaining socket in end the tube (504) of pipe link (8), between this upper end and bottom, engage and form a spring perch (1003) on the inwall, this below, bottom has an inlet than path, and this inlet is established an one-way cock (12);
One big spring (11) places outside this principal post (5), an end and spring perch (1003) against, the ring portion (505) of the other end and principal post (5) is replaced, with the restoring force that provides principal post (5) to make progress;
One little spring (13) is socketed in principal post (5) tube (504) periphery, and an end and tube are replaced, and the other end is stretched in valve piston (9) is gone up collar extension (901), and valve piston (9) is replaced by elasticity.
2. foam pump according to claim 1 is characterized in that: described webmaster arrival end is established coarse strainer, and exit end is established fie screen.
3. foam pump according to claim 1 and 2, it is characterized in that: a wide diameter portion (2021) is arranged at a described pressure head (2) faucet pipe (202) bottom, be provided with annular recess or draw-in groove at wide diameter portion (2021) inwall, and form convex annular rank (2022) at wide diameter portion (2021) section start, described webmaster stretches into wide diameter portion 2021 and is replaced by protruding rank 2022 from the below.
4.. foam pump according to claim 3 is characterized in that: described webmaster (3 or 3 ') lower end is stretched in the tube wall of air valve 4.
5. foam pump according to claim 3, it is characterized in that: described webmaster (3) is provided with bulge loop (303), be provided with side exit towards the jet hole direction, fie screen (302) is located at the side exit place, webmaster (3) stretches into from the below of pressure head (2) faucet pipe (202), and bulge loop (303) is replaced by convex annular rank (2022).
6. foam pump according to claim 1 is characterized in that: be formed with a clearance channel when collar extension (902) and pipe link (8) are only opened between File portion (803) under the described valve piston (9), as liquid material discharging valve port.
7. foam pump according to claim 1 is characterized in that: described cylinder band (10) bottom below is provided with one and is connected oral area with the container bonded assembly.
8. foam pump according to claim 1, it is characterized in that: more be provided with a pore on the wall of described cylinder band (10) bottom, this pore can make cylinder band (10) and extraneous air conducting, with balance because the air pressure in the liquid ejection exhaust casing body (10).
9. foam pump according to claim 1 is characterized in that: be provided with screens ring (404) in the described air valve (4), screens ring (403) is replaced the top of principal post (5) cannula portion (503).
10. foam pump according to claim 1, it is characterized in that: external diameter shrinks formation boss (506) in principal post (5) below, little spring (13) is enclosed within outside principal post 5 contraction flow regions, and an end is replaced boss (506), and the other end stretches into valve piston (9) and goes up in the collar extension (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110183814XA CN102285484A (en) | 2011-07-01 | 2011-07-01 | Foam pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110183814XA CN102285484A (en) | 2011-07-01 | 2011-07-01 | Foam pump |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502062A (en) * | 2011-12-28 | 2012-06-20 | 王雅灿 | Foam pump |
| CN103121545A (en) * | 2013-01-28 | 2013-05-29 | 王雅灿 | Flexible pipe container and preparation method thereof |
| WO2013170445A1 (en) * | 2012-05-15 | 2013-11-21 | Wang Ya-Tsan | Foam pump and liquid distributing ejector comprising foam pump |
| CN104105645A (en) * | 2012-02-09 | 2014-10-15 | 大和制罐株式会社 | Pump-type discharge container |
| CN104627512A (en) * | 2015-01-26 | 2015-05-20 | 中山市美捷时包装制品有限公司 | Leak-proof ventilation structure and emulsion pump with same |
| CN105292727A (en) * | 2014-06-30 | 2016-02-03 | 上海保柏日化有限公司 | Pressing type liquid foam distributing device with springs arranged externally and container |
| CN107521841A (en) * | 2017-08-23 | 2017-12-29 | 中山市联昌喷雾泵有限公司 | A kind of piston type external spring foam pump |
| CN107539612A (en) * | 2017-09-07 | 2018-01-05 | 中山市联昌喷雾泵有限公司 | Pad valve type foam pump |
| WO2018006464A1 (en) * | 2016-07-05 | 2018-01-11 | 吴婉媚 | Foam pump |
| CN111547367A (en) * | 2020-04-27 | 2020-08-18 | 中山市联昌喷雾泵有限公司 | Foam pump |
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| DE202010014046U1 (en) * | 2010-10-07 | 2010-12-16 | DERXIN (SHANGHAI) COSMETICS CO., LTD., Shanghai | A construction of a foam spray head |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502062A (en) * | 2011-12-28 | 2012-06-20 | 王雅灿 | Foam pump |
| CN104105645A (en) * | 2012-02-09 | 2014-10-15 | 大和制罐株式会社 | Pump-type discharge container |
| CN104105645B (en) * | 2012-02-09 | 2016-08-17 | 大和制罐株式会社 | Pump type jetting container |
| WO2013170445A1 (en) * | 2012-05-15 | 2013-11-21 | Wang Ya-Tsan | Foam pump and liquid distributing ejector comprising foam pump |
| CN103121545A (en) * | 2013-01-28 | 2013-05-29 | 王雅灿 | Flexible pipe container and preparation method thereof |
| CN105292727A (en) * | 2014-06-30 | 2016-02-03 | 上海保柏日化有限公司 | Pressing type liquid foam distributing device with springs arranged externally and container |
| CN105292727B (en) * | 2014-06-30 | 2019-01-11 | 上海保柏日化有限公司 | A kind of spring external pressing liquid foam dispensing device and container |
| CN104627512A (en) * | 2015-01-26 | 2015-05-20 | 中山市美捷时包装制品有限公司 | Leak-proof ventilation structure and emulsion pump with same |
| WO2018006464A1 (en) * | 2016-07-05 | 2018-01-11 | 吴婉媚 | Foam pump |
| CN107521841A (en) * | 2017-08-23 | 2017-12-29 | 中山市联昌喷雾泵有限公司 | A kind of piston type external spring foam pump |
| CN107539612A (en) * | 2017-09-07 | 2018-01-05 | 中山市联昌喷雾泵有限公司 | Pad valve type foam pump |
| CN111547367A (en) * | 2020-04-27 | 2020-08-18 | 中山市联昌喷雾泵有限公司 | Foam pump |
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Application publication date: 20111221 |