CN103612823B - External spring emulsion pump and application method thereof - Google Patents
External spring emulsion pump and application method thereof Download PDFInfo
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- CN103612823B CN103612823B CN201310571315.7A CN201310571315A CN103612823B CN 103612823 B CN103612823 B CN 103612823B CN 201310571315 A CN201310571315 A CN 201310571315A CN 103612823 B CN103612823 B CN 103612823B
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- piston
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- circle
- pump housing
- valve rod
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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
- B05B11/1001—Piston pumps
- B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
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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
- B05B11/1073—Springs
- B05B11/1074—Springs located outside pump chambers
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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
- 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
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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
Abstract
The invention relates to an external spring emulsion pump and an application method thereof and aims to solve the problem that an existing similar product is poor in structural design. One pump body end of the emulsion pump is connected with a suction pipe while the other end of the same is connected with a big circle, and a pump body is internally provided with a valve needle, a piston and a valve stem; the external spring emulsion pump is characterized in that an extending sleeve extending to two sides of a circle opening is arranged on the circle opening of a pressing mouth side of the big circle, a valve stem sleeve is arranged on the inner diameter of a port of the piston, a spring groove is arranged between the extending sleeve and the valve stem sleeve, and a spring is abutted against a limit rib edge of the outer diameter of the port in one end of the pressing mouth side of the valve stem; the outer diameter of the extending sleeve of the suction pipe of the big circle is fastened to a concave and convex rib position of the inner diameter of a pump inlet of the pump body; a needle cap end of the valve needle is fitly abutted to one end of the piston for sealing, a needle bar of the valve needle penetrates the piston to be inserted into a port of the other end of the valve stem, a water outgoing groove is formed in a position where the tail end of the needle bar is fastened to the inner wall of the port of the valve stem, and the valve needle, the piston and the valve stem are integrally connected; a plastic elastic sleeve is arranged on an inside port of the suction pipe end of the pump body. The external spring emulsion pump is suitable for being used as it functions.
Description
Technical field
The present invention relates to emulsion pumps, is a kind of external spring emulsion pumps and using method thereof.
Background technology
Emulsion pumps belongs to the one of micro-sprayer, and be a kind of device for emulsion being extruded bottle, it mainly utilizes bernoulli principle in same liquid, and flow velocity is large, and pressure is little, and flow velocity is little, and pressure is large; It is widely used in the various emulsion such as cleaning solution, cosmetics and uses.In the pump housing of existing emulsion pumps, one end buckle is provided with spheroid, the other end is provided with needle and valve rod, the external diameter of needle is provided with piston, spring is provided with between the needle of piston and the pump housing internal diameter of spheroid end, the pump housing is by piston, needle, spring and the spheroid in the locking closure sealing pump housing, valve rod stretches out the pump housing, and by pressing head cap, emulsion extrudes head cap by suction pipe, the pump housing.But infect to prevent metal spring part in the pump housing of emulsion pumps to be corroded, the spring of some emulsion pumps adopts external mode to arrange.As the application number 201220450940.7 that Chinese patent literature is published, authorized announcement date 2013.03.13, utility model name is called " a kind of lotion pump with external spring "; The locking closure that this emulsion pumps comprises head, principal post, nut and is arranged on nut, one end of principal post is plugged in head, its other end is plugged in locking closure, spring installation is arranged with outside described principal post, described spring installation one end is supported on head, and its other end is supported on the boss being arranged on locking closure inner lower edge.But it is less that above-mentioned emulsion pump and existing similar middle locking closure and nut (great circle) are connected as a single entity, its leak tightness, less stable, assembling is inconvenience comparatively.Meanwhile, in the emulsion pumps of some existing built-in springs, piston and valve rod cooperation place easily produce backflow seepage, and when using state does not keep flat standing liquid also can seepage flow out phenomenon.
Summary of the invention
For overcoming above-mentioned deficiency, the object of the invention is to provide a kind of external spring emulsion pumps and using method thereof to this area, make it solve the structure design such as assembling, leak tightness in existing like product not good enough, and reflux the technical matters of seepage in piston and valve rod cooperation place.Its objective is and to be achieved through the following technical solutions.
A kind of external spring emulsion pumps, pump housing one end of this emulsion pumps is connected with suction pipe, the other end is connected with great circle, the pump housing side internal diameter of great circle is provided with tapped bore, needle, piston, valve rod is provided with in the pump housing, the pump housing is stretched out in one end of described valve rod, great circle is connected with pressure mouth, and between the great circle that spring is arranged at pump housing external diameter and valve rod, the pump housing is provided with induction opening; Described pump housing inner suction pipe place arranges the plastics bullet cover in spheroid or this emulsion pumps with spheroid function, the pressure mouth back and forth on pressing valve rod, can make to produce pressure difference in the pump housing, extrude after making liquid suction passage enter the pump housing from pressure mouth apopore.Its structure design main points are extension sleeves that the pressure mouth side circle mouth of described great circle establishes directed cycle mouth both sides to extend, the piston port inner diameter of extension sleeve is provided with stem sleeve, be provided with spring groove between extension sleeve and stem sleeve, the port outside diameter limit rib of the spring other end in spring groove and one end, valve rod pressure mouth side is along offseting; The suction pipe side extension sleeve outer diameter of great circle and the concavo-convex muscle position of the pumping hole internal diameter of the pump housing fasten.Namely the locking closure of existing similar emulsion pumps and great circle are combined as a whole by the great circle of this emulsion pumps, and are provided with spring groove and stem sleeve.Meanwhile, spring and the pump housing pass through the spring groove between the extension sleeve of great circle and stem sleeve, and spring does not directly contact with liquid in the pump housing, prevents from causing spring to get rusty because of spring and liquid comes into contact, contaminated liquid.
The head of a nail end of described needle and one end of piston offset fitted seal, and the shank of needle inserts in the port of the valve rod other end through piston, and the end of shank and the inwall of valve rod port fasten, and fastening place is provided with effluent trough, and needle, piston, valve rod are connected as a single entity; The internal diameter port of pump housing pipette tip is provided with plastics bullet cover, plastics bullet cover is in disc, the external diameter of plastics bullet cover and the sealing flange collar muscle of the pump housing fasten, and the center of plastics bullet cover is provided with elasticity blocking, and the glue position, outer ring that elasticity blocking is overlapped by springhole sheet and plastics bullet is connected as a single entity.The effluent trough of valve rod guarantees that liquid flows out smoothly, when needle, piston, valve rod are connected as a single entity and guarantee to press the pressure mouth on valve rod, needle, piston, valve rod link together, make to produce pressure difference in the pump housing, and drive plastics bullet cover bob to be sealed and matched by pressure difference, make the suction pipe inlet hole of the pump housing close or open; The sipper pore of the pump housing and plastics bullet cover place are by the elastic deformation up and down at springhole sheet place, and realizing beats is sealed and matched, and play the effect opened feed liquor or close sealing.Meanwhile, said structure reduces productive costs, simplifies the manufacture difficulty of processing of mould for pump body, improves production efficiency, also make pump body reach all-plastic structure, thus more environmental protection.
The described position limiting sealed groove circle of needle head of a nail end and the annular groove circle of piston one end are beated and are sealed and matched, and needle is provided with circle glue, reduce piston swinging when bob works, and circle Jiao Chu is provided with opening, is conducive to liquid and enters more smooth and easy; The seal ring muscle of the piston other end and the bottom inwall interference seal slip fit of valve stem piston end; The shank end of needle is provided with catching groove circle, and the circle in the catching groove circle of needle and valve rod port is buckled muscle and fastened, and the circle that the effluent trough of valve rod is arranged at valve rod port is buckled between muscle inwall and the outer wall of needle.Namely needle and valve rod buckle muscle activity button-fold by catching groove circle with enclosing; piston and needle are by annular groove circle and position limiting sealed groove circle bob fitted seal; can free left and right slight oscillatory after needle and valve rod fasten, guarantee that piston and needle freely can adjust angle and carry out optimal seal and coordinate.The bottom inwall of valve rod is in the seal ring muscle place interference seal bearing fit of piston, prevents the function and the outward appearance that affect this emulsion pumps because of fluid seepage.
The shank of described needle at least side is provided with and cuts side, described in cut side corresponding with the position limiting sealed groove circle opening of needle.On the effluent trough that said structure guarantees valve rod further, liquid flows out smoothly.
The induction opening of the described pump housing is arranged at the pump housing midway location of piston initial condition, interference fit seal between piston ring one end circle mouth of piston and the inner ring wall of great circle.Thus advantageously guarantee the leak tightness in this emulsion pumps middle pump body further, and the leak tightness under this emulsion pumps initial condition.
The sleeve pump side external diameter that extends in described great circle is provided with flange collar muscle, the concavo-convex fastening of sealing recessed circle muscle of pumping hole internal diameter in flange collar muscle and the pump housing.Inside and outside pair of muscle position inner support between the above-mentioned pump housing and great circle fastens, and guarantees that the pump housing of this emulsion pumps in accumulating, use procedure does not produce the exception that comes off.
The tapped bore internal diameter foundation ring, pump housing side of described great circle is provided with pump ring recess, and in pump ring recess and the pump housing, the cover rim external diameter of pumping hole external diameter fastens.Squeeze outside inside and outside pair of muscle position between the above-mentioned pump housing and great circle and fasten, guarantee that the pump housing of this emulsion pumps in accumulating, use procedure does not produce the exception that comes off.
Spring outer diameter between described pressure mouth and great circle is provided with clip, and the pressure mouth side of clip and great circle is enclosed mouth outer wall and fastened.Clip is used for fixing pressure mouth and presses down travel position, and the product after preventing this emulsion pumps and lotion pump from assembling, in storage and transport process, causes the phenomenon that liquid ejection occurs because touching pressure mouth.
According to said structure feature, its using method is specially: the piston side extension sleeve of described great circle and the airtight fastening of the pump housing, the stem sleeve inwall of great circle and the airtight fit of outer wall of valve rod, the airtight fit of the outer wall of piston and the inside of the pump housing, piston is connected as a single entity by needle and valve rod; Pressing pressure mouth, pressure mouth band ovable valve stem moves downward, valve rod drives piston, needle moves downward simultaneously, spring generation deformation, in the pump housing, pressure increases, the plastics bullet cover of pump housing inner suction pipe end is airtight, and the liquid in the pump housing enters valve rod by the gap between piston and needle, and is extruded by valve rod, pressure mouth successively; Unclamp pressure mouth, valve rod, needle, piston are by spring reset, and in the pump housing, pressure reduces, and plastics bullet cover is opened, and liquid suction passage, plastics bullet cover into the pump housing.Namely ensureing that great circle is as locking closure, and fitting piston, and the sealing fit between needle and valve rod, ensure that in the pump housing while sealing, needle, piston, valve rod are connected as a single entity and move simultaneously, realize pressure change in the pump housing and drive liquid to discharge or the suction pump housing.
Gap between described piston and needle is arranged at opening needle enclosing glue, and the needle corresponding to opening of circle glue cuts side; One end of needle is by circle glue, and the position limiting sealed groove circle of circle glue opening part and the annular groove circle of piston are beated and are sealed and matched, one end of needle is buckled muscle by the circle in catching groove circle and valve rod port and is fastened, thus needle, piston, valve rod are connected as a single entity, the up-and-down movement while of stressed.Above-mentioned is integrative-structure between concrete needle, piston, valve rod three, and the gap between piston and needle ensures that the instantaneous variation of pressure in the pump housing and pressure reduction produce.
Reasonable in design of the present invention, use, assembling, production, convenient transportation, stability, good airproof performance; Be suitable as emulsion pumps to use, ex hoc genus anne the structural development of product.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present invention.
Fig. 2 is perspective view of the present invention, and in figure, clip is for being separated open mode.
Fig. 3 is pump body structure schematic diagram one of the present invention.
Fig. 4 is pump body structure schematic diagram two, figure middle pump body of the present invention is the inner structure that Fig. 3 overlooks state.
Fig. 5 is plastics bullet nested structure schematic diagram of the present invention.
Fig. 6 is needle structure schematic diagram of the present invention.
Fig. 7 is piston structure schematic diagram one of the present invention.
Fig. 8 is that in piston structure schematic diagram two, figure of the present invention, piston is that Fig. 7 looks up bottom construction schematic diagram.
Fig. 9 is that in great circle structural representation one, figure of the present invention, great circle is pump housing end screw collar inner structure schematic diagram.
Figure 10 is great circle partial cross structural representation of the present invention.
Figure 11 is that in great circle structural representation two, figure of the present invention, great circle is pressure mouth side inner structure schematic diagram.
Figure 12 is that valve rod of the present invention looks up structural representation, and in figure, valve rod is that piston end looks up structural representation.
Figure 13 is valve stem part sectional structure schematic diagram of the present invention.
In figure, the name of sequence number is called: 1, suction pipe, 2, the pump housing, 201, induction opening, 202, sealing flange collar muscle, 203, cover rim, 204, seal recessed circle muscle, 3, plastics bullet cover, 301, springhole sheet, 302, elasticity blocking, 4, needle, 401, catching groove circle, 402, position limiting sealed groove circle, 403, circle glue, 5, piston, 501, seal ring muscle, 502, piston ring, 503, annular groove circle, 6, great circle, 601, inner ring wall, 602, flange collar muscle, 603, pump ring recess, 604, spring groove, 7, pad, 8, spring, 9, clip, 10, valve rod, 1001, bottom inwall, 1002, effluent trough, 1003, circle button muscle, 11, pressure mouth.
Detailed description of the invention
Now by reference to the accompanying drawings, the invention will be further described.As shown in Fig. 1 ~ Figure 13, this emulsion pumps comprises suction pipe 1, the pump housing 2, plastics bullet cover 3, needle 4, piston 5, great circle 6, pad 7, spring 8, clip 9, valve rod 10, pressure mouth 11, one end of the described pump housing is connected with suction pipe, the extension sleeve outer diameter of the other end and great circle fastens, and namely the suction pipe side extension sleeve outer diameter of great circle and the pumping hole internal diameter of the pump housing fasten; The pump housing side internal diameter of great circle is provided with tapped bore, extension sleeve is the sleeve that the Quan Kou both sides, pressure mouth side of great circle extend, the piston port inner diameter of extension sleeve is provided with stem sleeve, and extension sleeve, stem sleeve and great circle are connected as a single entity, and is provided with spring groove 604 between extension sleeve and stem sleeve.Needle, piston, valve rod, plastics bullet cover is provided with in the pump housing, the pump housing is stretched out in one end of described valve rod, great circle is connected with pressure mouth, spring is arranged in the spring groove between the great circle of pump housing external diameter and valve rod, and the port outside diameter limit rib of the spring other end in spring groove and one end, valve rod pressure mouth side is along offseting; The pump housing is provided with induction opening 201, and induction opening is arranged at the pump housing midway location of piston initial condition.Simultaneously, the head of a nail end of pump housing inner valve needle and one end of piston offset fitted seal, and the shank of needle inserts in the port of the valve rod other end through piston, and the end of shank and the inwall of valve rod port fasten, fastening place is provided with effluent trough 1002, and needle, piston, valve rod are connected as a single entity; The internal diameter port of pump housing pipette tip is provided with plastics bullet cover, plastics bullet cover is in disc, the external diameter of plastics bullet cover and the sealing flange collar muscle 202 of the pump housing fasten, and the center of plastics bullet cover is provided with elasticity blocking 302, and the glue position, outer ring that elasticity blocking is overlapped by springhole sheet 301 and plastics bullet is connected as a single entity.
Wherein, the position limiting sealed groove circle 402 of needle head of a nail end is beated with the annular groove circle 503 of piston one end and is sealed and matched, and needle is provided with circle glue 403, and circle glue is provided with opening; The seal ring muscle 501 of the piston other end and the bottom inwall 1001 interference seal slip fit of valve stem piston end; The shank end of needle is provided with catching groove circle 401, and the circle in the catching groove circle of needle and valve rod port is buckled muscle 1003 and fastened, and the circle that the effluent trough of valve rod is arranged at valve rod port is buckled between muscle inwall and the outer wall of needle; The shank bilateral symmetry of needle is provided with cuts side.Interference fit seal between piston ring 502 one end circle mouth of piston and the inner ring wall 601 of great circle; The sleeve pump side external diameter that extends in great circle is provided with flange collar muscle 602, the concavo-convex fastening of sealing flange collar muscle of pumping hole internal diameter in flange collar muscle and the pump housing; The tapped bore internal diameter foundation ring, pump housing side of great circle is provided with pump ring recess 603, and in pump ring recess and the pump housing, cover rim 203 external diameter of pumping hole external diameter fastens.In addition, the spring outer diameter between pressure mouth and great circle is provided with clip, and the pressure mouth side of clip and great circle is enclosed mouth outer wall and fastened.
Before using, pressure mouth on pressing valve rod, while pressure mouth band ovable valve stem moves down, under the piston ring external diameter of piston and the friction force effect of pump housing endoporus, make piston first be separated with needle open and withstand valve rod, valve rod drives needle and piston to continue to move down, spring generation deformation, the pressure in the pump housing increases, and the elasticity blocking at plastics Dan Tao center moves down the sipper pore sealing the pump housing by pressure action.Unclamp pressure mouth, spring band dynamic pressure mouth, valve rod, needle, piston reset, the pressure in the pump housing changes, the elasticity blocking of plastics bullet cover in the pump housing is driven to move up, the sipper pore of the pump housing is opened, liquid suction passage, enters in the pump housing after plastics bullet cover.During use, again press the pressure mouth on valve rod, according to above-mentioned principle, the liquid in the pump housing is by the gap between needle and piston, and the effluent trough between needle and valve rod enters in valve rod, and extrudes this emulsion pumps by pressure mouth.
Fit structure of the present invention overcomes piston in existing similar emulsion pumps and coordinates tension with valve rod, thus cause piston to be closed opening dumb, cause the bad fraction defect of suction higher and have impact on production efficiency, substantially increase productive costs and have a strong impact on the basic function of product.Also overcome piston in existing similar emulsion pumps simultaneously and coordinated pine with valve rod, though product suction can be ensured, cross pine and can cause because of the internal pressure effect under piston during press liquid ejection, and liquid to be refluxed seepage from piston and valve rod cooperation place.Particularly be directed to the special liquid (as cosmetics: makeup remover, sun-proof wet goods special liquid) containing oil component, under specific environment (southern hemisphere country as higher in temperature or product are exposed to the sun in the sun), even when using state does not keep flat standing, liquid will seepage outflow for existing similar emulsion pumps.Existing market almost all exists the abnormal quality phenomenon of this seepage at the similar emulsion pumps product containing oil component sold, be the difficult problem that packaging manufacturing enterprise is all difficult to capture, cannot thoroughly solve all the time.
Claims (10)
1. an external spring emulsion pumps, the pump housing (2) one end of this emulsion pumps is connected with suction pipe (1), the other end is connected with great circle (6), the pump housing side internal diameter of great circle is provided with tapped bore, needle (4), piston (5), valve rod (10) is provided with in the pump housing, one end of described valve rod is stretched out the pump housing, great circle and the concavo-convex muscle position of pressure mouth (11) and is fastened and connected, and between the great circle that spring (8) is arranged at pump housing external diameter and valve rod, the pump housing is provided with induction opening (201); It is characterized in that the extension sleeve that the pressure mouth side circle mouth of described great circle (6) establishes directed cycle mouth both sides to extend, piston (5) port inner diameter of extension sleeve is provided with stem sleeve, be provided with spring groove (604) between extension sleeve and stem sleeve, the port outside diameter limit rib of the spring other end in spring groove and one end, valve rod (10) pressure mouth side is along offseting; The concavo-convex muscle position of pumping hole internal diameter of the suction pipe side extension sleeve outer diameter of great circle and the pump housing (2) fastens.
2. external spring emulsion pumps according to claim 1, is characterized in that the head of a nail end of described needle (4) and one end of piston (5) offset fitted seal; The shank of needle inserts in the port of valve rod (10) other end through piston, and the end of shank and the inwall of valve rod port fasten, and fastening place is provided with effluent trough (1002), and needle, piston, valve rod are connected as a single entity; The internal diameter port of the pump housing (2) pipette tip is provided with plastics bullet cover (3), plastics bullet cover is in disc, the external diameter of plastics bullet cover and the sealing flange collar muscle (202) of the pump housing fasten, the center of plastics bullet cover is provided with elasticity blocking (302), and the glue position, outer ring that elasticity blocking is overlapped by springhole sheet (301) and plastics bullet is connected as a single entity.
3. external spring emulsion pumps according to claim 2, it is characterized in that the position limiting sealed groove circle (402) of described needle (4) head of a nail end and the annular groove circle (503) of piston (5) one end are beated to be sealed and matched, needle is provided with circle glue (403), circle Jiao Chu is provided with opening, the seal ring muscle (501) of the piston other end and bottom inwall (1001) the interference seal slip fit of valve rod (10) piston end; The shank end of needle is provided with catching groove circle (401), and the circle in the catching groove circle of needle and valve rod port is buckled muscle (1003) and fastened, and the circle that the effluent trough (1002) of valve rod is arranged at valve rod port is buckled between muscle inwall and the outer wall of needle.
4. external spring emulsion pumps according to claim 3, the shank that it is characterized in that described needle (4) at least side is provided with and cuts side, described in cut side corresponding with position limiting sealed groove circle (402) opening of needle.
5. external spring emulsion pumps according to claim 1, it is characterized in that the induction opening (201) of the described pump housing (2) is arranged at the pump housing midway location of piston (5) initial condition, interference fit seal between piston ring (502) one end circle mouth of piston and the inner ring wall (601) of great circle.
6. external spring emulsion pumps according to claim 1, is characterized in that in described great circle (6), extension sleeve pump side external diameter is provided with flange collar muscle (602), sealing recessed circle muscle (204) the concavo-convex fastening of flange collar muscle and the middle pumping hole internal diameter of the pump housing (2).
7. external spring emulsion pumps according to claim 1, is characterized in that the tapped bore internal diameter foundation ring, pump housing side of described great circle (6) is provided with pump ring recess (603), and cover rim (203) external diameter of pump ring recess and the middle pumping hole external diameter of the pump housing (2) fastens.
8. external spring emulsion pumps according to claim 1, it is characterized in that spring (8) external diameter between described pressure mouth (11) and great circle (6) is provided with clip (9), the pressure mouth side of clip and great circle is enclosed mouth outer wall and is fastened.
9. the using method of an external spring emulsion pumps according to claim 1, it is characterized in that piston (5) side extension sleeve and the pump housing (2) the airtight fastening of described great circle (6), the airtight fit of outer wall of the stem sleeve inwall of great circle and valve rod (10), the airtight fit of the outer wall of piston and the inside of the pump housing, piston is connected as a single entity by needle (4) and valve rod; Pressing pressure mouth (11), pressure mouth band ovable valve stem moves downward, valve rod drives piston, needle moves downward simultaneously, there is deformation in spring (8), in the pump housing, pressure increases, the plastics bullet cover (3) that pump housing inner suction pipe (1) is held is airtight, and the liquid in the pump housing enters valve rod by the gap between piston and needle, and is extruded by valve rod, pressure mouth successively; Unclamp pressure mouth, valve rod, needle, piston are by spring reset, and in the pump housing, pressure reduces, and plastics bullet cover is opened, and liquid suction passage, plastics bullet cover into the pump housing.
10. the using method of external spring emulsion pumps according to claim 9, is characterized in that the gap between described piston (5) and needle (4) is arranged at opening needle enclosing glue (403), and the needle corresponding to opening of circle glue cuts side; One end of needle is by circle glue, and the position limiting sealed groove circle (402) of circle glue opening part is beated with the annular groove circle (503) of piston and is sealed and matched, one end of needle is buckled muscle (1003) by catching groove circle (401) with the circle in valve rod (10) port and is fastened, thus needle, piston, valve rod are connected as a single entity, the up-and-down movement while of stressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571315.7A CN103612823B (en) | 2013-11-13 | 2013-11-13 | External spring emulsion pump and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310571315.7A CN103612823B (en) | 2013-11-13 | 2013-11-13 | External spring emulsion pump and application method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103612823A CN103612823A (en) | 2014-03-05 |
| CN103612823B true CN103612823B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310571315.7A Active CN103612823B (en) | 2013-11-13 | 2013-11-13 | External spring emulsion pump and application method thereof |
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| JP5477865B2 (en) * | 2010-11-30 | 2014-04-23 | 株式会社吉野工業所 | Jet pump |
| CN102145782B (en) * | 2011-04-28 | 2012-11-28 | 余姚晟祺塑业有限公司 | Pressing type emulsion spray nozzle |
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Effective date of registration: 20171013 Address after: Shuanghe road Yuyao city Zhejiang province 315400 Ningbo City No. 818 Patentee after: Zhejiang Zhengzhuang Industrial Co., Ltd. Address before: Yuyao City, Zhejiang province 315400 Ningbo City Yangming science and Technology Industrial Park, Branch Road No. 42 Patentee before: Huang Jianyi |