CN202765494U - Foam pump - Google Patents
Foam pump Download PDFInfo
- Publication number
- CN202765494U CN202765494U CN201120560351.XU CN201120560351U CN202765494U CN 202765494 U CN202765494 U CN 202765494U CN 201120560351 U CN201120560351 U CN 201120560351U CN 202765494 U CN202765494 U CN 202765494U
- Authority
- CN
- China
- Prior art keywords
- filter screen
- air valve
- ring
- principal post
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000006260 foam Substances 0.000 title claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- 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
- B05B11/0005—Components or details
- B05B11/0027—Means for neutralising the actuation of the sprayer ; Means for preventing access to the sprayer actuation means
- B05B11/0032—Manually actuated means located downstream the discharge nozzle for closing or covering it, e.g. shutters
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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
- 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
-
- 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
- B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
Landscapes
- Closures For Containers (AREA)
Abstract
The utility model relates to a foam pump used for sucking liquid out of a container and enabling the liquid to be sprayed into foam from a nozzle. A pressure head, a screwing cap and a cylinder form a shell, the shell is at least internally provided with a net pipe, a filter screen film(s) is/are arranged at the inlet and/or outlet of the net pipe, each filter screen film is provided with multiple filter screen holes, and each filter screen hole is hexagonal in shape. Filter screens are arranged at the inlet/outlet of the traditional net pipe, and the filter screens are filter screen films generally. The filter screen films adopted by the foam pump provided by the utility model are generally provided with hexagonal holes which are characterized by excellent foam quality, so that the technical problem that strength of the screen provided with round holes is non-uniform and poor is solved and the defects of untight fit and high cost of a filter screen provided with square holes can be overcome. According to the utility model, one filter screen at the outlet or inlet of the net pipe can be selected to be provided with the hexagonal holes and the filter screens at the outlet and the inlet of the net pipe can be provided with the hexagonal holes according to specific product requirements.
Description
Technical field
The utility model is related to a kind of foam pump, the foam pump being particularly modified to filter screen film.
Background technology
The suction cylinder and suction fluid cylinder that existing foam pump is communicated by exporting are constituted, wherein, suction cylinder is made up of cylinder block and piston, band liquid in-out check valve on fluid cylinder, the piston for aspirating cylinder is connected with aspirating the piston of fluid cylinder, and pressure head is pressed when using makes the piston synchronous of the piston and suction fluid cylinder of suction cylinder work, and suction fluid cylinder draws air into the pure suction of container breast, suction cylinder, then emulsion and air are mixed in exit becomes foam ejection, but this infrastructure cost is high.
In addition, patent No. ZL2005200636954 discloses another type of foam pump, including cylinder body, head, plug pipe and spring, it is characterized in cylinder body being provided with coaxial fluid cylinder and cylinder, it is located at the center of cylinder body under fluid cylinder, cylinder is located at the periphery of fluid cylinder, cylinder and the annular wing of head bottom match, the external diameter of fluid cylinder and plug pipe end matches, the limit buckle of limited post spacing ring and plug pipe matches, the head of limited post bottom constitutes feed liquor check valve with the inlet of fluid cylinder bottom, inlet is caught on provided with barb in limited post bottom, valve element constitutes out liquid check valve with plug pipe, plug pipe, suction sap cavity is surrounded between valve element and fluid cylinder；Connected between plug pipe and head with valve seat, spring is located between valve seat and cylinder, surround suction air cavity between cylinder, plug pipe, valve seat, valve seat lower end is provided with valve block in radially-protruding annular lower disc, the axially extending annular in valve seat top；The nozzle of outgassing nonreturn valve and the outlet head for going out liquid check valve.
There is problems with above-mentioned foam pump：
First, existing webmaster in/out end can be provided with filter screen, and filter screen typically uses filter screen film.Existing filter screen film one kind uses circular port, not only net intensity is uneven and not good but also area arrangement space waste is big, another is that filter screen film is square, i.e. by the way of screen cloth processing, it is fitted on support, this type when not only liquid flows out foam quality it is not good, and have that the screen cloth of laminating easily comes off, cost also compares high technical problem.
Then, the complex manufacturing technology of filter screen, cost is higher.
Then, in existing foam pump, spring is built in cylinder, is directly contacted with chemical materials body, the problem of there is rust corrosion.
Then, in existing foam pump, using one-piece piston, sealing is poor.
Utility model content
The purpose of this utility model is to provide a kind of foam pump, generally there is not good etc. the technical problem of foam quality when high cost, liquid flow out using circular port or square opening to solve filter screen film in existing foam pump.
A kind of foam pump, to draw the liquid in container and the liquid is sprayed foam from nozzle, shell is constituted by pressure head, spiral cover and cylinder, also include air valve and filter screen bracket, spray orifice is set in the pressure head, and the air valve is arranged on the lower section of spray orifice, a hydrojet passage is formed between spray orifice and air valve, opening of sieve of the air valve on the settable filter screen bracket of the entrance of hydrojet passage and/or outlet, the filter screen bracket is in hexagon ring shape.
Preferably, air valve sets the support ring that the filter screen bracket includes being arranged on air valve outer wall in the outlet of hydrojet passage, is sticked in the inwall unit and filter screen unit of air valve inwall, support ring connects inwall unit, and filter screen unit is located on inwall unit, and vertical with hydrojet passage.
It is preferred that the filter screen that the filter screen unit is used is fie screen, also, the support ring, inwall unit and filter screen unit are made into integration by Shooting Technique.
It is preferred that air valve includes side wall ring and bottom screen unit in the entrance setting filter screen bracket of hydrojet passage, the filter screen unit is arranged on the lower section of side wall ring.
It is preferred that the bottom screen unit uses coarse strainer, also, the side wall ring is made into integration with bottom screen unit for Shooting Technique.
It is preferred that the opening of sieve on the filter screen bracket is to be uniformly distributed.
Sequentially include pressure head, air valve, principal post, big piston, spiral cover, connecting rod, valve piston, cylinder, spring and valve in a kind of foam pump, its shell, the webmaster is arranged between pressure head and air valve, and spring is located between principal post and air cylinder base, wherein：
One pressure head, which is provided with nozzle and is sprayed for foam, its hypomere portion has a hollow socket pipe；
One air valve is tubular structure, middle part provided with periphery downwards and the annulus with convex edge, pressure head is against above annulus, circle ring inner wall sets air inlet duct, inside pipe wall is provided with air discharge duct below air valve, tube wall external diameter above air valve is fixed provided with bulge loop with being socketed inside pipe wall ring groove or pocket matches and being mutually socketed buckle, and, spray orifice is set in the pressure head, the air valve is arranged on the lower section of spray orifice, a hydrojet passage is formed between spray orifice and air valve, opening of sieve of the air valve on the settable filter screen bracket of the entrance of hydrojet passage and/or outlet, the filter screen bracket is in hexagon ring shape；
One principal post, in the body of hollow structure, body to be divided into cannula portion and tube by a periphery downward ring portion, ring portion upper surface is provided with the back-up ring for being trapped among cannula portion periphery, cannula portion and pipeline connection below air valve, pipe and forms mixing chamber；
One big piston is enclosed between principal post and air valve, the outer wall of big piston is contacted with cylinder inner wall, the wall of upper collar extension is fitted with air valve circle ring inner wall with collar extension up and down, and big piston inner wall is provided with sealing ring, big piston and is additionally provided with stomata and air drain obliquely；
One connecting rod, its epimere portion penetrates the tube of principal post and linked with principal post, and its outer rim is provided with one and more than one axial guide channel, and its hypomere portion is in the stop portion of a ring-type, and the fluid being sucked enters in mixing chamber along guide channel along mobile jib；
One valve piston activity is placed on connecting rod bottom, and periphery is contacted with cylinder inner wall, respectively with collar extension and lower collar extension on one, is against below principal post in collar extension, and the action for coordinating completion fluid off and on stop portion can be moved back and forth from one；
One cylinder block, it is sheathed on big piston and valve piston periphery and in a up big and down small tapered insertion tubular body, and have one section of bore larger and accommodate the position of principal post ring portion and the above, the accommodating tube for being socketed connecting rod in one section of less bottom of bore, a spring base is formed in engagement inner walls between the upper end and bottom, there is the entrance of a smaller radial, the entrance sets an one-way cock below the bottom；
One big spring, is placed in outside the principal post, and one end is with spring base against the ring portion of the other end and principal post is supported, to provide the restoring force that principal post one is upward；
One little spring, is socketed in principal post tube periphery, and one end is supported with tube, and the other end is stretched on valve piston in collar extension, small work is supported by elasticity.
Preferably, air valve sets the support ring that the filter screen bracket includes being arranged on air valve outer wall in the outlet of hydrojet passage, is sticked in the inwall unit and filter screen unit of air valve inwall, support ring connects inwall unit, and filter screen unit is located on inwall unit, and vertical with hydrojet passage.
It is preferred that air valve includes side wall ring and bottom screen unit in the entrance setting filter screen bracket of hydrojet passage, the filter screen unit is arranged on the lower section of side wall ring, and the bottom screen unit is located at the top of principal post.
Compared with prior art, the utility model has advantages below：
（1）Existing webmaster in/out end can be provided with filter screen, and filter screen typically uses filter screen film.
Existing filter screen film generally uses hex hole, and hex hole has capitally foam quality.And the uneven and not good technical problem of net intensity of circle can be overcome, lifting area arranges the utilization rate in space, also overcomes the shortcoming of the filter screen laminating of square opening not close and high cost.In the utility model, end can be gone out in webmaster or entrance selects a filter screen therein that hex hole is made, hex hole can also be all made simultaneously, this needs is realized according to specific product requirement.
（2）Filter screen film can be made up of injection, and one-shot forming, low cost, process velocity are fast.
（3）In the utility model, external spring is not directly contacted with cylinder with chemical materials body, the problem of in the absence of rust corrosion.
（4）In foam pump of the present utility model, using liquid pump means, the problem of existing sealing is poor is overcome.
Brief description of the drawings
Fig. 1, Fig. 2 be respectively under foam pump use state and reset condition under structure cut-away view；
Fig. 3 cuts open schematic diagram for shell inner structure；
Fig. 4 (a), (b) are respectively the side view of fie screen example, top view；
Fig. 5 (a), (b) are respectively the side view of coarse strainer example, top view；
Fig. 6 is the side view of an embodiment air valve.
Embodiment
Below according to accompanying drawing, the utility model is illustrated.
Fig. 4 is referred to Fig. 6, a kind of foam pump, to draw the liquid in container and the liquid is sprayed foam from nozzle, including pressure head, air valve and filter screen bracket, spray orifice is set in pressure head, and air valve is arranged on the lower section of spray orifice, a hydrojet passage is formed between spray orifice and air valve, opening of sieve of the air valve on the settable filter screen bracket of the entrance of hydrojet passage and/or outlet, filter screen bracket is in hexagon ring shape.
Air valve sets the support ring 32 that the filter screen bracket includes being arranged on air valve outer wall 41 in the outlet of hydrojet passage, is sticked in the inwall unit 34 and filter screen unit 33 of air valve inwall, the connection inwall of support ring 34 unit 34, filter screen unit 33 is located on inwall unit 34, and vertical with hydrojet passage.
In this example, the filter screen that filter screen unit can be used is fie screen, also, support ring 32, inwall unit 34 and filter screen unit 33 can be made into integration by Shooting Technique, low cost.It is of course also possible to use the mode of ultrasonic wave is made.In addition, the shape of filter screen unit 33 as far as possible with hydrojet passage with coincideing, it is or smaller with hydrojet passage cross-sectional area.So, the area of foams mix is just bigger, and effect is more preferable.It is hexagon ring shape that each opening of sieve of filter screen unit, which is used, and the foam effect of this structure setting more preferably, and can lift the utilization rate that face only arranges space, and low cost also overcomes the untight shortcoming of filter screen laminating of square opening.
Air valve can include side wall ring 1402 and bottom screen unit 1401 in the filter screen bracket that the entrance of hydrojet passage is set, and bottom screen unit 1401 can be arranged on the lower section of side wall ring 1402.Bottom screen unit 1401 can be located on principal post wall 51.This design, which only fixes filter screen bracket, to be used, and this structure can be various.Similarly, filter screen bracket structure of the design in outlet can also be a variety of samples, as long as filter screen should all fall into the protection domain of this patent using hexagon ring shape.
Certainly, bottom screen unit 1401 can use coarse strainer, also, the side wall ring 1402 can be made into integration with bottom screen unit 1402 by Shooting Technique or ultrasonic technique is made.
Opening of sieve on the above-mentioned filter screen bracket is preferably to be uniformly distributed, so easily mixing liquid, and well mixed.
For convenience of description, the utility model spy illustrates as one example, but is not intended to limit to the utility model.
Fig. 1 is referred to Fig. 5, a kind of foam pump, to draw the liquid in container and the liquid is sprayed foam from nozzle, shell is constituted by pressure head 2, spiral cover 7 and cylinder 10, sequentially include pressure head 2, air valve 4, principal post 5, big piston 6, spiral cover 7, connecting rod 8, valve piston 9, cylinder 10, spring and valve 12 in shell, webmaster is provided between pressure head 2 and air valve 4, spring is located at outside principal post 5, wherein：
One pressure head 2, which is provided with nozzle 201 and is sprayed for foam, a wide diameter portion is arranged at the socket pipe bottom of pressure head 2, and annular recess or neck are provided with wide diameter portion inwall, and in the annular convex rank of wide diameter portion section start formation one；
One air valve 4 is tubular structure, middle part can provided with periphery downwards and the annulus with convex edge, pressure head 2 is against above annulus, circle ring inner wall sets air inlet duct 401, the lower section inside pipe wall of air valve 4 is provided with air discharge duct 402, the tube wall external diameter of the top of air valve 4 is matched with socket inside pipe wall and is mutually fixed by socket, spray orifice is set in the pressure head, the air valve is arranged on the lower section of spray orifice, a hydrojet passage is formed between spray orifice and air valve, opening of sieve of the air valve on the settable filter screen bracket of the entrance of hydrojet passage and/or outlet, the filter screen bracket is in hexagon ring shape；
One principal post 5, in the body of hollow structure, body is divided into cannula portion and tube by a periphery downward ring portion, ring portion upper surface is provided with the back-up ring 501 for being trapped among cannula portion periphery, mixing chamber 502 is formed in cannula portion and the lower section pipeline connection of air valve 4, pipe, the lower section external diameter of principal post 5 shrinks to form boss；
One big piston 6 carries upper and lower collar extension, it is enclosed within outside the tube between principal post 5 and air valve 4, the outer wall of big piston 6 is contacted with the inwall of cylinder 10, the wall of upper collar extension is fitted with the circle ring inner wall of air valve 4, the big inwall of piston 6 is provided with sealing ring 601, big piston 6 obliquely is additionally provided with stomata 602 and air drain；
One connecting rod 8, its epimere portion penetrates the tube 504 of principal post 5 and linked with principal post 5, its outer rim is provided with one and more than one axial guide channel, and its hypomere portion is in the stop portion 801 of a ring-type, and the fluid being sucked enters in mixing chamber 502 along guide channel along mobile jib；
The activity of one valve piston 9 is placed on the bottom of connecting rod 8, periphery is contacted with the inwall of cylinder 10, there is collar extension and lower collar extension on one respectively, the lower section of principal post 5 is against in collar extension, and due to moving back and forth Yu Zhi File portions 801 discharging for completing fluid off and on can be coordinated to act, a clearance channel is formed with when being opened between the lower collar extension and only File portions 801, liquid material valve port is used as；
One cylinder block 10, it is sheathed on big piston 6 and the periphery of valve piston 9 and in a up big and down small tapered folding insertion tubular body, and have one section of bore larger and accommodate the position of the ring portion of principal post 5 and the above, the accommodating tube 504 for being socketed connecting rod 8 in one section of less bottom of bore, a spring base is formed in engagement inner walls between the upper end and bottom, there is the entrance of a smaller radial, the entrance sets an one-way cock 12 below the bottom；
One big spring 11, is placed in outside the principal post 5, and one end is with spring base against the ring portion of the other end and principal post 5 is supported, to provide the restoring force that principal post 5 one is upward；
One little spring 13, is socketed in the tube periphery of principal post 5, and one end is supported with tube, and the other end is stretched in collar extension, makes valve piston 9 be supported by elasticity on valve piston 9；
For convenience of being connected with container, the bottom lower section of described cylinder block is provided with a linking oral area being connected with container.
Described 9 times collar extensions of valve piston and a clearance channel is formed with when only being opened between File portions, be used as liquid material discharging valve port.
A stomata is further provided with the described bottom wall of cylinder block 10, the stomata can be such that cylinder block is turned on extraneous air, to balance because liquid sprays the air pressure in exhaust casing body.
Screens ring is provided with described air valve 4, screens ring supports the top of the cannula portion of principal post 5.
One little spring 13 is enclosed within outside the contraction flow region of principal post 5, and one end supports the external diameter below principal post 5 and shrinks to be formed at boss, and the other end is stretched on valve piston 9 in collar extension.
When extrusion head 2 is down moved, air valve 4 and principal post 5 is driven to move together, big piston 6 and valve piston 9 are due to the transfixion by the tube wall friction effect of cylinder 10, now discharging valve port is gradually opened, air inlet duct 401 on air valve 4 is gradually closed, sealing ring 601 progressively disengages back-up ring 501 and opens exhaust passage, and the gas in cylinder 10 is being discharged into air drain 603 from cylinder 10 by the gap between back-up ring 501 and sealing ring 601 during constantly pushing, subsequently into mixing chamber 502, mixed with the liquid for entering mixing chamber 502 by discharging valve port during pushing, then, foam is produced through screen pack pipe 3, and extruded from the nozzle of pressure head 2.
When unclamping pressure head 2, due to being acted on by the reset response power of big spring 11, principal post 5 and air valve 4 is set up to move together, now big piston 6 is acted on and transfixion with valve piston 9 by cylinder tube wall friction, make the valve port closing that discharged at valve piston 9, air inlet duct 401 greatly between piston 6 and air valve 4 is opened, passage between back-up ring 501 and the big sealing ring 601 of piston 6 is closed, and sealing ring 601 is held air valve 4 tightly, seal it, constantly up moved with connecting rod 8 with principal post 5, big piston 6 and valve piston 9 is driven up to move, respectively increase air chamber 1001 and the volume of liquid room 1002 in cylinder 10, so as to which extraneous air is sucked from the air inlet duct 401 of air valve 4, configured stomata 602 and air drain 603 on big piston 6 enters air inlet chamber 1001, liquid material in container is inhaled into liquid room 1002 through valve 12, prepared for next stock.
The utility model spring is not contacted with liquid, and liquid will not be polluted, in addition, because big piston and valve piston can not link, there is provided excellent sealing again.
Wherein, bulge loop can not be also set outside webmaster, webmaster 3 is directly supported at the top of the interior conduit of pressure head 2.
Last time illustrates that the structure of above-mentioned foam pump only explains, is not intended to be confined to the utility model.
Disclosed above is only the specific embodiment of the application, but the application is not limited to this, the changes that any person skilled in the art can think of, should all fall in the protection domain of the application.
Claims (9)
1. a kind of foam pump, to draw the liquid in container and the liquid is sprayed foam from nozzle, shell is constituted by pressure head, spiral cover and cylinder, also include air valve and filter screen bracket, it is characterised in that spray orifice is set in the pressure head, the air valve is arranged on the lower section of spray orifice, a hydrojet passage is formed between spray orifice and air valve, opening of sieve of the air valve on the settable filter screen bracket of the entrance of hydrojet passage and/or outlet, the filter screen bracket is in hexagon ring shape.
2. foam pump as claimed in claim 1, it is characterized in that, air valve sets the support ring that the filter screen bracket includes being arranged on air valve outer wall in the outlet of hydrojet passage, is sticked in the inwall unit and filter screen unit of air valve inwall, support ring connects inwall unit, filter screen unit is located on inwall unit, and vertical with hydrojet passage.
3. foam pump as claimed in claim 2, it is characterised in that the filter screen that the filter screen unit is used is fie screen, also, the support ring, inwall unit and filter screen unit are made into integration by Shooting Technique.
4. foam pump as claimed in claim 1, it is characterised in that air valve includes side wall ring and bottom screen unit in the entrance setting filter screen bracket of hydrojet passage, and the filter screen unit is arranged on the lower section of side wall ring.
5. foam pump as claimed in claim 4, it is characterised in that the bottom screen unit uses coarse strainer, also, the side wall ring is made into integration with bottom screen unit for Shooting Technique.
6. the foam pump as described in claim 2 or 4, it is characterised in that the opening of sieve on the filter screen bracket is to be uniformly distributed.
7. a kind of foam pump, it is characterised in that sequentially include pressure head, air valve, principal post, big piston, spiral cover, connecting rod, valve piston, cylinder, spring and valve in shell, the webmaster is arranged between pressure head and air valve, and spring is located between principal post and air cylinder base, wherein：
One pressure head, which is provided with nozzle and is sprayed for foam, its hypomere portion has a hollow socket pipe；
One air valve is tubular structure, middle part provided with periphery downwards and the annulus with convex edge, pressure head is against above annulus, circle ring inner wall sets air inlet duct, inside pipe wall is provided with air discharge duct below air valve, tube wall external diameter above air valve is fixed provided with bulge loop with being socketed inside pipe wall ring groove or pocket matches and being mutually socketed buckle, and, spray orifice is set in the pressure head, the air valve is arranged on the lower section of spray orifice, a hydrojet passage is formed between spray orifice and air valve, opening of sieve of the air valve on the settable filter screen bracket of the entrance of hydrojet passage and/or outlet, the filter screen bracket is in hexagon ring shape；
One principal post, in the body of hollow structure, body to be divided into cannula portion and tube by a periphery downward ring portion, ring portion upper surface is provided with the back-up ring for being trapped among cannula portion periphery, cannula portion and pipeline connection below air valve, pipe and forms mixing chamber；
One big piston is enclosed between principal post and air valve, the outer wall of big piston is contacted with cylinder inner wall, the wall of upper collar extension is fitted with air valve circle ring inner wall with collar extension up and down, and big piston inner wall is provided with sealing ring, big piston and is additionally provided with stomata and air drain obliquely；
One connecting rod, its epimere portion penetrates the tube of principal post and linked with principal post, and its outer rim is provided with one and more than one axial guide channel, and its hypomere portion is in the stop portion of a ring-type, and the fluid being sucked enters in mixing chamber along guide channel along mobile jib；
One valve piston activity is placed on connecting rod bottom, and periphery is contacted with cylinder inner wall, respectively with collar extension and lower collar extension on one, is against below principal post in collar extension, and the action for coordinating completion fluid off and on stop portion can be moved back and forth from one；
One cylinder block, it is sheathed on big piston and valve piston periphery and in a up big and down small tapered insertion tubular body, and have one section of bore larger and accommodate the position of principal post ring portion and the above, the accommodating tube for being socketed connecting rod in one section of less bottom of bore, a spring base is formed in engagement inner walls between the upper end and bottom, there is the entrance of a smaller radial, the entrance sets an one-way cock below the bottom；
One big spring, is placed in outside the principal post, and one end is with spring base against the ring portion of the other end and principal post is supported, to provide the restoring force that principal post one is upward；
One little spring, is socketed in principal post tube periphery, and one end is supported with tube, and the other end is stretched on valve piston in collar extension, small work is supported by elasticity.
8. foam pump as claimed in claim 7, it is characterized in that, air valve sets the support ring that the filter screen bracket includes being arranged on air valve outer wall in the outlet of hydrojet passage, is sticked in the inwall unit and filter screen unit of air valve inwall, support ring connects inwall unit, filter screen unit is located on inwall unit, and vertical with hydrojet passage.
9. foam pump as claimed in claim 7, it is characterised in that air valve includes side wall ring and bottom screen unit in the entrance setting filter screen bracket of hydrojet passage, and the filter screen unit is arranged on the lower section of side wall ring, and the bottom screen unit is located at the top of principal post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120560351.XU CN202765494U (en) | 2011-12-28 | 2011-12-28 | Foam pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120560351.XU CN202765494U (en) | 2011-12-28 | 2011-12-28 | Foam pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202765494U true CN202765494U (en) | 2013-03-06 |
Family
ID=47772086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120560351.XU Expired - Lifetime CN202765494U (en) | 2011-12-28 | 2011-12-28 | Foam pump |
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| Country | Link |
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| CN (1) | CN202765494U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502062A (en) * | 2011-12-28 | 2012-06-20 | 王雅灿 | Foam pump |
| CN104859936A (en) * | 2014-02-26 | 2015-08-26 | 德晋（香港）控股有限公司 | Air pressure type spray nozzle device |
| CN107235224A (en) * | 2017-07-13 | 2017-10-10 | 江苏贝尔机械有限公司 | A kind of push type imbibition shower nozzle |
| CN111776467A (en) * | 2020-05-19 | 2020-10-16 | 浙江正庄实业有限公司 | Lightweight anti-static foam pump and material production process thereof |
| CN115254223A (en) * | 2022-07-20 | 2022-11-01 | 万通(苏州)定量阀***有限公司 | Dropper device with reciprocating circulation function, corresponding container and containing system |
-
2011
- 2011-12-28 CN CN201120560351.XU patent/CN202765494U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102502062A (en) * | 2011-12-28 | 2012-06-20 | 王雅灿 | Foam pump |
| CN104859936A (en) * | 2014-02-26 | 2015-08-26 | 德晋（香港）控股有限公司 | Air pressure type spray nozzle device |
| CN107235224A (en) * | 2017-07-13 | 2017-10-10 | 江苏贝尔机械有限公司 | A kind of push type imbibition shower nozzle |
| CN111776467A (en) * | 2020-05-19 | 2020-10-16 | 浙江正庄实业有限公司 | Lightweight anti-static foam pump and material production process thereof |
| CN111776467B (en) * | 2020-05-19 | 2024-03-15 | 浙江正庄实业有限公司 | Lightweight antistatic foam pump and material production process thereof |
| CN115254223A (en) * | 2022-07-20 | 2022-11-01 | 万通(苏州)定量阀***有限公司 | Dropper device with reciprocating circulation function, corresponding container and containing system |
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Effective date of registration: 20180621 Address after: No. 128 development road, hachang Town, Haimen, Nantong, Jiangsu Patentee after: Plastic packaging Co., Ltd. Jiangsu Germany Jin Address before: Room 20, building 2008, Jardine House, 1 Kangle Plaza, central, Hongkong, China Patentee before: De Jin (Hongkong) Holding Limited |
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