CN113800113A - Full plastic emulsion pump head - Google Patents

Full plastic emulsion pump head Download PDF

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Publication number
CN113800113A
CN113800113A CN202111305845.8A CN202111305845A CN113800113A CN 113800113 A CN113800113 A CN 113800113A CN 202111305845 A CN202111305845 A CN 202111305845A CN 113800113 A CN113800113 A CN 113800113A
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CN
China
Prior art keywords
plastic
bottle cap
main column
spring
pump
Prior art date
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Granted
Application number
CN202111305845.8A
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Chinese (zh)
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CN113800113B (en
Inventor
陈远清
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Shijie Packaging Products Qingyuan Co ltd
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Individual
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Publication of CN113800113A publication Critical patent/CN113800113A/en
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Publication of CN113800113B publication Critical patent/CN113800113B/en
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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
    • 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
    • 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
    • B05B11/1077—Springs characterised by a particular shape or material
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/025—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by having a particular shape
    • F16F1/028—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by having a particular shape cylindrical, with radial openings

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  • Closures For Containers (AREA)

Abstract

The invention relates to the field of emulsion pump heads, in particular to an all-plastic emulsion pump head. The press head, the main column, the pump body, the bottle cap, the plastic spring and the movable pump plug are all made of plastics, so that the environment-friendly safe pump plug is environment-friendly and safe and is convenient to recycle; meanwhile, the adopted elastic component is a plastic spring, and a plastic ball body for liquid to enter is arranged in the lower end of the pump body; meanwhile, the problems of corrosion of the metal spring and the metal ball and pollution of contents when the metal spring and the metal ball are adopted are avoided. The press head is rotated into the blocking groove, and the guide strip is blocked by the first-stage clamping block to automatically exit from the blocking groove, so that the self-locking structure is safe and reliable, and the problem of liquid leakage caused by the fact that the guide strip exits from the blocking groove due to vibration loosening in the transportation process is solved; in addition, in the application, a buckle can be arranged between the press head and the bottle cap to limit the problem of liquid leakage caused by the movement of the guide strip along the guide groove, so that in the application, the lock can be realized by adopting left-right rotation or the buckle according to the specific production condition.

Description

Full plastic emulsion pump head
Technical Field
The invention relates to the field of emulsion pump heads, in particular to an all-plastic emulsion pump head.
Background
The traditional emulsion pump is generally composed of a lock cover, a pump chamber, a press head, a main column, an auxiliary column, a piston, a glass bead, a rebound device and a lock cover for fixing the main column, the auxiliary column and the piston on the pump chamber, wherein the rebound device is generally a metal spring and is arranged in a material body cavity, the rebound device is immersed by emulsion when the emulsion is pumped, and the metal spring is easy to corrode and pollute the content (emulsion); the traditional emulsion pump generally comprises plastic, metal, glass and other components, so that the traditional emulsion pump needs to be disassembled for classified recovery during recovery, and the recovery is inconvenient. In addition, the self-locking structure which can not be pressed by the main column on the existing emulsion pump is easy to vibrate and loosen in the transportation process, and the leakage problem exists.
Disclosure of Invention
In order to solve the problems, the invention provides an all-plastic emulsion pump head, which is prepared by plastics for a press head, a main column, a pump body, a bottle cap, a plastic spring and a movable pump plug, is environment-friendly and safe and is convenient to recycle; meanwhile, the adopted elastic component is a plastic spring, and a plastic ball body for liquid to enter is arranged in the lower end of the pump body; meanwhile, the problems of corrosion of the metal spring and the metal ball and pollution of contents when the metal spring and the metal ball are adopted are avoided.
In order to achieve the purpose, the invention adopts the technical scheme that: a full plastic emulsion pump head comprises a press head, a main column, a pump body, a bottle cap, a plastic spring and a movable pump plug, wherein the press head, the main column, the pump body, the bottle cap, the plastic spring and the movable pump plug are all made of plastics; the upper end of the bottle cap is sleeved at the top end of the pump body; the upper end of the main column is assembled with the pressing head, the lower end of the main column penetrates through the lock cover and extends into the pump body, and the main column can move along the axial direction of the lock cover; the movable pump plug is sleeved on the outer side surface of the lower end of the main column, and the outer side surface of the movable pump plug is movably connected with the inner side surface of the pump body; the outer side wall of the upper end of the main column is provided with a ring of annular flange positioned at the lower end of the press head, and the inner side surface of the pump body is provided with a ring of spring fixing grooves; the plastic spring is sleeved on the outer side surface of the main column, the upper end of the plastic spring is propped against the annular flange, the lower end of the plastic spring is assembled in the spring fixing groove, and a plastic ball body for liquid to enter is arranged in the lower end of the pump body; the bottle cap is characterized in that a cap outer sleeve and a cap inner sleeve positioned in the cap outer sleeve are arranged at the bottom of the cap, a bottle cap outer sleeve and a bottle cap inner sleeve positioned in the bottle cap outer sleeve are arranged at the top end of the bottle cap, the cap outer sleeve is positioned between the bottle cap outer sleeve and the bottle cap inner sleeve, the cap inner sleeve is positioned in the bottle cap inner sleeve and assembled with the upper end of the main column, a guide strip arranged along the vertical direction is arranged on the outer side wall of the cap inner sleeve, and a guide groove matched with the guide strip and used for the guide strip to move up and down is formed in the inner wall of the bottle cap inner sleeve; and simultaneously, the top end of the inner sleeve of the bottle cap is provided with a blocking groove for the guide strip to rotate from the guide groove to enter when the press head is bounced so as to limit the downward movement of the guide strip, and a primary clamping block for blocking the guide strip from exiting from the blocking groove is arranged in the blocking groove.
Furthermore, the tail end of the blocking groove is also provided with a secondary clamping block for blocking the guide strip from exiting the blocking groove.
Furthermore, both sides of the inner wall of the button inner sleeve are provided with limiting strips which are used for limiting the position of the main column and are arranged along the vertical direction, wherein the upper end of the main column is clamped in the button inner sleeve and is abutted against the bottom of the limiting strips.
Further, the main column is of a hollow structure, the lower end of the main column is sealed, side openings communicated with the inside of the main column are formed in two sides of the lower end of the main column, an upper limiting table located above the side openings and a lower limiting table located below the side openings are arranged on the main column, and the movable pump plug is located between the upper limiting table and the lower limiting table and can move up and down between the upper limiting table and the lower limiting table.
Further, the plastic spring comprises a top ring seat, a bottom ring seat and a plastic elastic piece arranged between the top ring seat and the bottom ring seat, wherein the outer side wall of the bottom ring seat is provided with a circle of fixing flange, the top ring seat abuts against the annular flange, and the fixing flange is assembled in the spring fixing groove.
Furthermore, the plastic elastic part comprises two spiral single-line bodies, wherein the upper end and the lower end of each spiral single-line body are respectively connected with the top circular ring seat and the bottom circular ring seat, and the two spiral single-line bodies are placed in a mutually staggered mode.
Furthermore, the plastic elastic part comprises a plurality of hollowed-out spring parts which are sequentially connected from the top circular ring seat to the bottom circular ring seat; first V type hole of mutual symmetry is all seted up to the front and back end of fretwork spring part, and the second V type hole of mutual symmetry is seted up to the left and right sides in two fretwork spring part junctions, and the edge in every second V type hole is provided with the spacing post of longitudinal symmetry, and the end of spacing post is provided with the flank of tooth, and during plastic elastic component compression deformation, the flank of tooth of the spacing post of upper and lower extreme intermeshing and restriction plastic elastic component continue to warp.
Further, a circle of sealing flange is arranged on the outer side of the top end of the pump body, and a circle of assembling groove is formed in the inner wall of the top end of the pump body; wherein the lower end of the bottle cap is provided with a threaded outer sleeve and a matching inner sleeve positioned in the threaded outer sleeve, the bottom of the matching inner sleeve is provided with a circle of matching convex blocks corresponding to the matching groove, the sealing flange of the pump body is clamped between the threaded outer sleeve and the matching inner sleeve, and the matching convex blocks are clamped in the matching groove.
Furthermore, a plurality of circles of reinforcing convex points are arranged at the bottom of the sealing flange, wherein a circle of gasket is sleeved on the outer side of the top end of the pump body, and the gasket is tightly attached to the reinforcing convex points.
Furthermore, a buckle is further sleeved on the outer side wall of the pressing head outer sleeve, and the bottom of the buckle abuts against the top of the bottle cap outer sleeve.
The invention has the beneficial effects that:
1. the press head, the main column, the pump body, the bottle cap, the plastic spring and the movable pump plug are all made of plastics, so that the novel pump plug is environment-friendly, safe and convenient to recycle; meanwhile, the adopted elastic component is a plastic spring, and a plastic ball body for liquid to enter is arranged in the lower end of the pump body; meanwhile, the problems of corrosion of the metal spring and the metal ball and pollution of contents when the metal spring and the metal ball are adopted are avoided.
2. In the application, the outer side wall of the pressing head inner sleeve is provided with a guide strip which is arranged along the vertical direction, and the inner wall of the bottle cap inner sleeve is provided with a guide groove which is matched with the guide strip and is used for the guide strip to move up and down; meanwhile, a blocking groove for limiting the downward movement of the guide strip by allowing the guide strip to enter from the guide groove in a rotating manner when the press head is bounced is formed in the top end of the inner sleeve of the bottle cap, and a primary clamping block for blocking the guide strip from exiting the blocking groove is arranged in the blocking groove; the self-locking structure can rotate the press head into the blocking groove, and the guide strip is blocked by the primary clamping block to automatically exit from the blocking groove, so that the self-locking structure is safe and reliable, and the problem of liquid leakage caused by exiting of the guide strip from the blocking groove due to vibration loosening in the transportation process is solved; in addition, in the application, a buckle can be arranged between the press head and the bottle cap to limit the problem of liquid leakage caused by the movement of the guide strip along the guide groove, so that in the application, the lock can be realized by adopting left-right rotation or the buckle according to the specific production condition.
Drawings
FIG. 1 is a schematic view of an all-plastic emulsion pump head.
FIG. 2 is a schematic cross-sectional view of an all-plastic emulsion pump head.
Fig. 3 is a schematic view of a button head structure.
Fig. 4 is a schematic view of a bottle cap structure.
Fig. 5 is a schematic diagram of the pump body structure.
Fig. 6 is a schematic view of a main column structure.
Fig. 7 is a schematic view of a plastic spring structure.
Fig. 8 is a schematic sectional structure of the plastic spring.
Fig. 9 is a schematic structural view of a second plastic spring used in the embodiment.
Fig. 10 is a schematic structural view of a third plastic spring used in the embodiment.
The reference numbers illustrate: the pressing head comprises a pressing head 1, a guide strip 11, a limiting strip 12, a pressing head outer sleeve 13, a pressing head inner sleeve 14, a buckle 2, a bottle cap 3, a bottle cap outer sleeve 31, a bottle cap inner sleeve 32, a guide groove 33, a first-level clamping block 34, a second-level clamping block 35, a blocking groove 36, a threaded outer sleeve 37, a matching inner sleeve 38, a matching convex block 381, a pump body 4, a sealing flange 41, a reinforcing convex tip 411, a spring fixing groove 42, a matching groove 43, a suction pipe 5, a main column 6, an annular flange 61, an upper limiting table 62, a lower limiting table 63, a side opening 64, a plastic spring 7, a reinforcing rib 70, a top circular ring seat 71, a bottom circular ring seat 72, a hollowed spring piece 73, a second V-shaped hole 74, a first V-shaped hole 75, a limiting column 76, a tooth surface 77, a fixing flange 78, a spiral single-wire body 79, a movable pump plug 8, a plastic ball 9 and a gasket 10.
Detailed Description
Referring to fig. 1-8, the present invention relates to an all-plastic emulsion pump head, which comprises a press head 1, a main column 6, a pump body 4, a bottle cap 3, a plastic spring 7, and a movable pump plug 8, wherein the press head 1, the main column 6, the pump body 4, the bottle cap 3, the plastic spring 7, and the movable pump plug 8 are all made of plastic; the upper end of the bottle cap 3 is sleeved at the top end of the pump body 4; the upper end of the main column 6 is assembled with the press head 1, the lower end of the main column 6 penetrates through the lock cover and extends into the pump body 4, and the main column 6 can move along the axial direction of the lock cover; the movable pump plug 8 is sleeved on the outer side surface of the lower end of the main column 6, and the outer side surface of the movable pump plug 8 is movably connected with the inner side surface of the pump body 4; wherein, the outer side wall of the upper end of the main column 6 is provided with a ring-shaped flange 61 positioned at the lower end of the press head 1, and the inner side surface of the pump body 4 is provided with a ring of spring fixing grooves 42; the plastic spring 7 is sleeved on the outer side surface of the main column 6, the upper end of the plastic spring 7 is propped against the annular flange 61, the lower end of the plastic spring 7 is assembled in the spring fixing groove 42, and the lower end of the pump body 4 is internally provided with a plastic ball 9 for liquid to enter;
the bottom of the pressing head 1 is provided with a pressing head 1 outer sleeve and a pressing head 1 inner sleeve positioned in the pressing head 1 outer sleeve, the top end of the bottle cap 3 is provided with a bottle cap 3 outer sleeve and a bottle cap 3 inner sleeve positioned in the bottle cap 3 outer sleeve, the pressing head 1 outer sleeve is positioned between the bottle cap 3 outer sleeve and the bottle cap 3 inner sleeve, the pressing head 1 inner sleeve is positioned in the bottle cap 3 inner sleeve and is assembled with the upper end of the main column 6, the outer side wall of the pressing head 1 inner sleeve is provided with a guide strip 11 arranged along the vertical direction, and the inner wall of the bottle cap 3 inner sleeve is provided with a guide groove 33 which is matched with the guide strip 11 and is used for the guide strip 11 to move up and down; and simultaneously, the top end of the inner sleeve of the bottle cap 3 is provided with a blocking groove 36 for the guide strip 11 to rotate from the guide groove 33 when the press head 1 is bounced so as to limit the downward movement of the guide strip 11, and a first-stage clamping block 34 for blocking the guide strip 11 from exiting the blocking groove 36 is arranged in the blocking groove 36.
According to the invention, the press head 1, the main column 6, the pump body 4, the bottle cap 3, the plastic spring 7 and the movable pump plug 8 are all made of plastics, so that the plastic pump is environment-friendly, safe and convenient to recover; meanwhile, the adopted elastic component is a plastic spring 7, and a plastic ball 9 for liquid to enter is arranged in the lower end of the pump body 4; meanwhile, the problems of corrosion of the metal spring and the metal ball and pollution of contents when the metal spring and the metal ball are adopted are avoided.
In the application, the outer side wall of the inner sleeve of the pressing head 1 is provided with a guide strip 11 arranged along the vertical direction, and the inner wall of the inner sleeve of the bottle cap 3 is provided with a guide groove 33 which is matched with the guide strip 11 and is used for the guide strip 11 to move up and down; meanwhile, the top end of the inner sleeve of the bottle cap 3 is provided with a blocking groove 36 for the guide strip 11 to rotate from the guide groove 33 to enter when the press head 1 is bounced so as to limit the downward movement of the guide strip 11, and a first-stage clamping block 34 for blocking the guide strip 11 from exiting the blocking groove 36 is arranged in the blocking groove 36; according to the invention, the press head 1 can be rotated into the blocking groove 36, and the guide strip 11 is blocked by the primary clamping block 34 to automatically exit from the blocking groove 36, so that the self-locking structure is safe and reliable, and the problem of liquid leakage caused by the fact that the guide strip 11 exits from the blocking groove 36 due to vibration loosening in the transportation process is avoided; in addition, in the present application, a buckle 2 may be provided between the button 1 and the bottle cap 3 to limit the problem of liquid leakage caused by the movement of the guide strip 11 along the guide groove 33, so that in the present application, the locking may be achieved by rotating left and right or by the buckle 2 according to specific production conditions.
In order to further improve the anti-falling performance of the press head 1, in the present application, the second-stage latch 35 is further disposed at the end of the blocking groove 36 to prevent the guide bar 11 from exiting the blocking groove 36, that is, the press head 1 can be rotated into the blocking groove 36 and pass through the first-stage latch 34 and the second-stage latch 35, so that the guide bar 11 needs to continuously pass through the first-stage latch 34 and the second-stage latch 35 to prevent the guide bar 11 from exiting the blocking groove 36.
Further, in order to conveniently position the assembly between the press head 1 and the main column 6, in this application, the two sides of the inner wall of the inner sleeve of the press head 1 are provided with the limiting strips 12 which are used for limiting the position of the main column 6 and are arranged along the vertical direction, wherein the upper end of the main column 6 is clamped in the inner sleeve of the press head 1 and is abutted against the bottom of the limiting strips 12, namely the length of the main column 6 assembled in the press head 1 can be ensured to be a uniform standard value through the limiting strips 12.
Further, the main column 6 is of a hollow structure, the lower end of the main column is closed, side openings 64 communicated with the inside of the main column 6 are formed in two sides of the lower end of the main column 6, the main column 6 is provided with an upper limiting table 62 located above the side openings 64 and a lower limiting table 63 located below the side openings 64, and the movable pump plug 8 is located between the upper limiting table 62 and the lower limiting table 63 and can move up and down between the upper limiting table 62 and the lower limiting table 63. When the main column 6 is bounced upwards, the lower limit table 63 is pressed upwards at the bottom of the movable pump plug 8, and the communication between the interior of the main column 6 and the pump body 4 is cut off; when the main column 6 moves downwards, the frictional resistance between the movable pump plug 8 and the side wall of the pump body 4 is greater than the frictional resistance between the movable pump plug 8 and the main column 6, the main column 6 starts to move downwards relative to the movable pump plug 8, the main column 6 is communicated with the pump body 4 through the side opening 64, and the upper limiting table 62 can press the movable pump plug 8 to push the movable pump plug 8 to move downwards together after moving downwards for a certain distance, so that the liquid in the pump body 4 is pumped out. When the pressed press head 1 is released, the main column 6 bounces upwards under the elastic action of the plastic spring 7, the lower limiting table 63 is pressed against the bottom of the movable pump plug 8 to pull the movable pump plug 8 upwards, negative pressure is formed inside the pump body 4, the plastic ball 9 is opened, and liquid in a bottle flows into the pump body 4 through the suction pipe 5 communicated with the bottom of the pump body 4.
Further, the plastic spring 7 comprises a top ring seat 71, a bottom ring seat 72, and a plastic elastic member disposed between the top ring seat 71 and the bottom ring seat 72, wherein the outer side wall of the bottom ring seat 72 is provided with a ring of fixing flange 78, wherein the top ring seat 71 abuts against the annular flange 61, and the fixing flange 78 is fitted in the spring fixing groove 42.
Referring to fig. 9, in the present embodiment, the plastic elastic member includes two spiral monofilament bodies 79, wherein the upper and lower ends of the spiral monofilament body 79 are respectively connected to the top ring seat 71 and the bottom ring seat 72, and the two spiral monofilament bodies 79 are disposed in a staggered manner. The plastic elastic part only comprises two spiral monofilament bodies 79, and the plastic elastic part is simple in structure and good in elasticity.
Referring to fig. 7-8, further, in the present embodiment, another plastic elastic member is further provided; the plastic elastic part comprises a plurality of hollow spring parts 73 which are sequentially connected from the top circular ring seat 71 to the bottom circular ring seat 72; the front end and the rear end of each hollowed spring part 73 are provided with first V-shaped holes which are symmetrical to each other, the left side and the right side of the joint of the two hollowed spring parts 73 are provided with second V-shaped holes which are symmetrical to each other, when the plastic spring 7 is compressed, the first V-shaped holes and the second V-shaped holes are respectively contracted and folded, the structure is simple, and the elasticity is good; meanwhile, in order to avoid damage to devices caused by excessive compression of the plastic elastic part, in the application, the limiting columns 76 which are symmetrical up and down are arranged at the edge of each second V-shaped hole, when the plastic elastic part is compressed and deformed, the limiting columns 76 at the upper end and the lower end are tightly attached to each other and prevent continuous compression, and the limiting columns 76 are used for limiting the compression stroke of each section of spring, so that the stress is uniform, the fatigue of the spring is reduced, and the service life of the plastic spring can be greatly prolonged; and simultaneously, the tail end of the limiting column 76 is provided with a tooth surface 77, and when the plastic elastic part is compressed and deformed, the tooth surfaces 77 of the limiting column 76 at the upper end and the lower end are mutually meshed, so that the plastic spring 7 can be prevented from being damaged due to rotation.
Referring to fig. 10, another plastic spring is provided in the present embodiment, the basic structure of the plastic spring is similar to that of the plastic spring in fig. 9, wherein the plastic spring in fig. 10 includes a top ring seat 71, a bottom ring seat 72, and a plastic elastic member disposed between the top ring seat 71 and the bottom ring seat 72, the plastic elastic member includes two spiral monofilament bodies 79, wherein the upper and lower ends of the spiral monofilament bodies 79 are respectively connected to the top ring seat 71 and the bottom ring seat 72, the two spiral monofilament bodies 79 are disposed in a staggered manner, and a plurality of arc-shaped reinforcing ribs 70 are further connected between the two spiral monofilament bodies 79, wherein the reinforcing ribs 70 can reduce the fatigue of the spring, and can greatly increase the service life of the plastic spring.
Further, in order to ensure the stable assembly between the pump body 4 and the bottle cap 3, in this application, the outer side of the top end of the pump body 4 is provided with a circle of sealing flange 41, and the inner wall of the top end of the pump body 4 is provided with a circle of assembly groove 43; wherein the lower end of the bottle cap 3 is provided with a threaded outer sleeve 37 and a fitting inner sleeve 38 positioned in the threaded outer sleeve 37, wherein the bottom of the fitting inner sleeve 38 is provided with a circle of fitting projections 381 corresponding to the fitting grooves 43, wherein the sealing flange 41 of the pump body 4 is clamped between the threaded outer sleeve 37 and the fitting inner sleeve 38, and the fitting projections 381 are clamped in the fitting grooves 43, so that the pump body 4 can be ensured not to be easily separated from the bottle cap 3 even if axial force is applied to the pump body 4.
Further, the bottom of the sealing flange 41 is provided with a plurality of rings of reinforcing protrusions 411, wherein a ring of gasket 10 is sleeved on the outer side of the top end of the pump body 4, and the gasket 10 is tightly attached to the reinforcing protrusions 411. Because later stage emulsion pump will be assembled with the body, so still be provided with gasket 10 in this application in order to guarantee its sealing washer, paste through gasket 10 and reinforcing convex point 411 and tightly can increase area of contact between them and can guarantee its leakproofness, can avoid gasket 10's aversion to lead to the leakproofness to reduce simultaneously.
Furthermore, the outer side wall of the outer sleeve of the pressing head 1 is also sleeved with a buckle 2, and the bottom of the buckle 2 is abutted against the top of the outer sleeve of the bottle cap 3. In this application, can set up and be provided with buckle 2 between pressing head 1 and bottle lid 3 to restriction gib block 11 moves along guide way 33 and leads to the problem of liquid leakage, so in this application, can adopt to control the rotation to realize the locking or adopt buckle 2 to realize the locking according to concrete production conditions.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.

Claims (10)

1. An all-plastic emulsion pump head, which is characterized in that: the pump comprises a press head, a main column, a pump body, a bottle cap, a plastic spring and a movable pump plug, wherein the press head, the main column, the pump body, the bottle cap, the plastic spring and the movable pump plug are all made of plastics; the upper end of the bottle cap is sleeved at the top end of the pump body; the upper end of the main column is assembled with the pressing head, the lower end of the main column penetrates through the lock cover and extends into the pump body, and the main column can move along the axial direction of the lock cover; the movable pump plug is sleeved on the outer side surface of the lower end of the main column, and the outer side surface of the movable pump plug is movably connected with the inner side surface of the pump body; the outer side wall of the upper end of the main column is provided with a ring of annular flange positioned at the lower end of the press head, and the inner side surface of the pump body is provided with a ring of spring fixing grooves; the plastic spring is sleeved on the outer side surface of the main column, the upper end of the plastic spring is propped against the annular flange, the lower end of the plastic spring is assembled in the spring fixing groove, and a plastic ball body for liquid to enter is arranged in the lower end of the pump body; the bottle cap is characterized in that a cap outer sleeve and a cap inner sleeve positioned in the cap outer sleeve are arranged at the bottom of the cap, a bottle cap outer sleeve and a bottle cap inner sleeve positioned in the bottle cap outer sleeve are arranged at the top end of the bottle cap, the cap outer sleeve is positioned between the bottle cap outer sleeve and the bottle cap inner sleeve, the cap inner sleeve is positioned in the bottle cap inner sleeve and assembled with the upper end of the main column, a guide strip arranged along the vertical direction is arranged on the outer side wall of the cap inner sleeve, and a guide groove matched with the guide strip and used for the guide strip to move up and down is formed in the inner wall of the bottle cap inner sleeve; and simultaneously, the top end of the inner sleeve of the bottle cap is provided with a blocking groove for the guide strip to rotate from the guide groove to enter when the press head is bounced so as to limit the downward movement of the guide strip, and a primary clamping block for blocking the guide strip from exiting from the blocking groove is arranged in the blocking groove.
2. An all-plastic emulsion pump head as claimed in claim 1, wherein: and the tail end of the blocking groove is also provided with a secondary clamping block for blocking the guide strip from exiting the blocking groove.
3. An all-plastic emulsion pump head as claimed in claim 1, wherein: the both sides of the inner wall of press head inner skleeve are provided with the spacing strip that is used for spacing principal post position and sets up along upper and lower direction, wherein the joint of principal post upper end is in press head inner skleeve and is stopped in spacing strip bottom.
4. An all-plastic emulsion pump head as claimed in claim 1, wherein: the main column is of a hollow structure, the lower end of the main column is sealed, side openings communicated with the interior of the main column are formed in two sides of the lower end of the main column, an upper limiting table located above the side openings and a lower limiting table located below the side openings are arranged on the main column, and the movable pump plug is located between the upper limiting table and the lower limiting table and can move up and down between the upper limiting table and the lower limiting table.
5. An all-plastic emulsion pump head as claimed in claim 1, wherein: the plastic spring comprises a top circular ring seat, a bottom circular ring seat and a plastic elastic piece arranged between the top circular ring seat and the bottom circular ring seat, wherein the outer side wall of the bottom circular ring seat is provided with a circle of fixing flange, the top circular ring seat is abutted against the annular flange, and the fixing flange is assembled in the spring fixing groove.
6. An all-plastic emulsion pump head as claimed in claim 5, wherein: the plastic elastic piece comprises two spiral single line bodies, wherein the upper end and the lower end of each spiral single line body are respectively connected with the top circular ring seat and the bottom circular ring seat, and the two spiral single line bodies are arranged in a mutually staggered mode.
7. An all-plastic emulsion pump head as claimed in claim 5, wherein: the plastic elastic part comprises a plurality of hollowed-out spring parts which are sequentially connected from a top circular ring seat to a bottom circular ring seat; first V type hole of mutual symmetry is all seted up to the front and back end of fretwork spring part, and the second V type hole of mutual symmetry is seted up to the left and right sides in two fretwork spring part junctions, and the edge in every second V type hole is provided with the spacing post of longitudinal symmetry, and the end of spacing post is provided with the flank of tooth, and during plastic elastic component compression deformation, the flank of tooth of the spacing post of upper and lower extreme intermeshing and restriction plastic elastic component continue to warp.
8. An all-plastic emulsion pump head as claimed in claim 1, wherein: a circle of sealing flange is arranged on the outer side of the top end of the pump body, and a circle of assembling groove is formed in the inner wall of the top end of the pump body; wherein the lower end of the bottle cap is provided with a threaded outer sleeve and a matching inner sleeve positioned in the threaded outer sleeve, the bottom of the matching inner sleeve is provided with a circle of matching convex blocks corresponding to the matching groove, the sealing flange of the pump body is clamped between the threaded outer sleeve and the matching inner sleeve, and the matching convex blocks are clamped in the matching groove.
9. An all-plastic emulsion pump head as claimed in claim 7, wherein: the bottom of the sealing flange is provided with a plurality of circles of reinforcing convex points, wherein a circle of gasket is sleeved on the outer side of the top end of the pump body, and the gasket is tightly attached to the reinforcing convex points.
10. An all-plastic emulsion pump head as claimed in claim 1, wherein: the outer side wall of the pressing head outer sleeve is further sleeved with a buckle, and the bottom of the buckle abuts against the top of the bottle cap outer sleeve.
CN202111305845.8A 2021-04-13 2021-11-05 Full plastic emulsion pump head Active CN113800113B (en)

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CN202110396973.1A CN113104390A (en) 2021-04-13 2021-04-13 Full plastic emulsion pump head

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WO2023161399A1 (en) * 2022-02-24 2023-08-31 Alpla Werke Alwin Lehner Gmbh & Co. Kg Plastic spring

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JPH1047400A (en) * 1996-05-29 1998-02-17 Yoshino Kogyosho Co Ltd Synthetic resin spring
JPH1072052A (en) * 1996-08-28 1998-03-17 Yoshino Kogyosho Co Ltd Liquid discharging utensil
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CN208831569U (en) * 2018-09-28 2019-05-07 南京宝钻弹簧有限公司 A kind of compression limit spring
CN209337264U (en) * 2018-10-08 2019-09-03 陈远清 A kind of cosmetic bottle pump head
CN110723408A (en) * 2019-10-18 2020-01-24 中山市美捷时包装制品有限公司 Novel full-plastic emulsion pump structure
CN112173411A (en) * 2020-10-15 2021-01-05 中山市美捷时包装制品有限公司 Full-plastic self-locking pump
CN212739098U (en) * 2020-08-03 2021-03-19 宁波圣捷喷雾泵有限公司 Environment-friendly liquid pump

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09295659A (en) * 1996-04-26 1997-11-18 Yoshino Kogyosho Co Ltd Liquid feed pump
JPH1047400A (en) * 1996-05-29 1998-02-17 Yoshino Kogyosho Co Ltd Synthetic resin spring
JPH1072052A (en) * 1996-08-28 1998-03-17 Yoshino Kogyosho Co Ltd Liquid discharging utensil
KR20130041586A (en) * 2011-10-17 2013-04-25 김정수 Pump dispenser
CN203638367U (en) * 2013-12-13 2014-06-11 中山市美捷时包装制品有限公司 Self-locking type emulsion pump
CN208831569U (en) * 2018-09-28 2019-05-07 南京宝钻弹簧有限公司 A kind of compression limit spring
CN209337264U (en) * 2018-10-08 2019-09-03 陈远清 A kind of cosmetic bottle pump head
CN110723408A (en) * 2019-10-18 2020-01-24 中山市美捷时包装制品有限公司 Novel full-plastic emulsion pump structure
CN212739098U (en) * 2020-08-03 2021-03-19 宁波圣捷喷雾泵有限公司 Environment-friendly liquid pump
CN112173411A (en) * 2020-10-15 2021-01-05 中山市美捷时包装制品有限公司 Full-plastic self-locking pump

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