CN212354967U - High polymer all-plastic push type vacuum nozzle - Google Patents
High polymer all-plastic push type vacuum nozzle Download PDFInfo
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- CN212354967U CN212354967U CN202021116438.3U CN202021116438U CN212354967U CN 212354967 U CN212354967 U CN 212354967U CN 202021116438 U CN202021116438 U CN 202021116438U CN 212354967 U CN212354967 U CN 212354967U
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- large ring
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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
- B05B11/1077—Springs characterised by a particular shape or material
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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
- B05B11/1043—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
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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
Abstract
The utility model relates to a polymer plastic push type vacuum nozzle is the difficult whole recycle's of spring structure technical problem to current like product and designs. The spiral groove hole is arranged at the position of a rotary ring in an outer cover of the vacuum nozzle, a pin column of a large ring is inserted into a cover positioning groove on the inner wall of the outer cover through the spiral groove hole of the rotary ring, a pump core assembly is buckled and fixed in a central hole of the large ring, and a spring is arranged on the outer diameter of a valve rod of the pump core assembly; the spring is a plastic spring, an outer sleeve opening is formed in one end of the plastic spring, an inner sleeve opening is formed in one end of the plastic spring, a wave cylinder is arranged between the outer sleeve opening and the inner sleeve opening of the plastic spring, the outer sleeve opening, the inner sleeve opening and the wave cylinder of the plastic spring are integrally formed, two ends of the plastic spring are respectively abutted to a head cap and a large ring, namely the outer diameter of the outer sleeve opening of the plastic spring is sleeved with the inner diameter of a rib groove at the bottom in the head cap, the ring opening of the inner sleeve opening of the plastic spring is abutted to a ring groove at the bottom of the large ring, and the plastic spring is located in the large ring groove of the large ring.
Description
Technical Field
The utility model relates to a press type micro sprayer nozzle, in particular to a polymer all-plastic press type vacuum nozzle.
Background
The spray head of the micro-sprayer is a plastic product for spraying cosmetics, wherein the spray head of the press type micro-sprayer is a spray head which is used for spraying through pressing of a head cap. The working principle is as follows: the head cap of the spray head is pressed to move to cause the internal volume of the bottle body to be periodically increased and reduced, so that the pressure of the liquid is increased, and the liquid in the bottle body is sucked and discharged. However, most of the emulsion pumps in the market at present adopt steel wire springs, and the steel wire springs are soaked in liquid and are difficult to avoid chemical reaction, so that the elastic property of the product is influenced, and the liquid is deteriorated and polluted to influence the body health of a user. And traditional wire spring's shower nozzle, just can retrieve after need with the metal spring split during the recovery, extremely be unfavorable for retrieving, and retrieve with high costs, the process is complicated. The nozzle of the existing steel wire spring, such as application No. 201910739479.3 published in Chinese patent literature, application publication No. 2019.12.20, the invention name of 'improved pump core and preparation method of environment-friendly high-tech material thereof'; the vacuum pump of the prior plastic spring, such as the application number 201520565501.4 published in the Chinese patent document, the granted notice date 2015.12.23, the utility model name of 'a plastic spring vacuum pump'. However, the plastic spring and the spray head are less in combination, and like products are difficult to recycle by adopting a full-plastic structure.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a polymer plastic push type vacuum nozzle to the field, which solves the technical problems that the existing like products are poor in nozzle structure, and particularly the design of the spring structure in the nozzle is poor in spring structure, so that the whole difficult recycling is realized. The purpose is realized by the following technical scheme.
The utility model provides a polymer plastic push type vacuum nozzle, rotatory circle department is equipped with the spiral slot hole in this vacuum nozzle's the dustcoat, the well circle external diameter symmetry of big circle is equipped with the round pin post, the round pin post of big circle inserts the cover constant head tank of dustcoat inner wall through the spiral slot hole of rotatory circle, be equipped with big circle groove in the middle of the well circle top of big circle, the big circle of big circle groove both sides circle muscle symmetry is equipped with open-ended circle constant head tank, pump core assemblage lock is fixed in the centre bore of big circle, pump core assemblage external diameter below the lock fixed position is equipped with the gasket, the valve rod that the pump core assemblage stretches out the big circle to be connected with the head cap, the valve rod external diameter that the pump core assemblage is equipped with the spring. The spring is a plastic spring, one end of the plastic spring is provided with an outer sleeve opening, one end of the plastic spring is provided with an inner sleeve opening, a wave barrel is arranged between the outer sleeve opening and the inner sleeve opening of the plastic spring, the outer sleeve opening, the inner sleeve opening and the wave barrel are integrally formed, two ends of the plastic spring respectively abut against a head cap and a large ring, namely, the outer sleeve opening outer diameter of the plastic spring is sleeved with the inner diameter of a rib groove at the bottom in the head cap, the inner sleeve opening ring opening of the plastic spring abuts against the large ring groove at the bottom of the large ring, the plastic spring is positioned in the large ring groove of the large ring, and the plastic spring is a polymer plastic spring. Therefore, the vacuum nozzle is integrally recycled through the integrally formed plastic spring, namely, the vacuum nozzle can replace the metal spring with the plastic spring and realize production and assembly only through structural improvement of the valve rod outer cover spring in the conventional like product, and meanwhile, the plastic spring is firm in fixing structure between the head cap and the large ring.
The rib grooves of the head cap are arranged on rib plates at the bottom in the head cap, the rib plates are arranged in a cross shape in a pairwise symmetry manner, guide ribs are symmetrically arranged on the inner walls of the rib grooves at two sides of the liquid outlet hole of the head cap, and the guide ribs of the head cap are inserted into the large-circle ring positioning grooves. The structure is convenient for further fixing one end of the plastic spring in the head cap, the production cost of the head cap is low, and the up-and-down positioning, guiding and moving effects are good.
The opening of the outer diameter of the bottom of the head cap is positioned above the guide groove of the large ring, the guide groove is arranged on the outer side of the large ring groove of the large ring, and the opening of the large ring groove of the large ring is positioned on the inner side of the opening of the outer diameter of the bottom of the head cap. The structure further improves the positioning, guiding and moving of the head cap and the dustproof effect in the large circle.
The pump body assembled by the pump core is fixed in a central hole of the large ring through bayonet fastening, a pump opening of the pump body is fastened with an inner groove hole of the bayonet, a pin head at one end of a valve needle in the pump body is fastened with an inner rib hole of the valve rod, a piston is arranged on the outer diameter of the valve needle at the fastening position, a shunt groove is arranged on the inner wall of the inner rib hole of the valve rod, the valve rod is sleeved in the bayonet, the outer diameter of the piston is in sliding fit with the inner wall of the pump body to abut against and seal, an outward opening at the top of the piston is sleeved in a bottom groove hole at the bottom of the valve rod, the outward opening of the piston abuts against and slides and seals with the inner wall of the bottom groove hole of the valve rod, the bottom groove hole of the valve rod is an arc-shaped bottle mouth; an atmosphere tight ring is arranged at the top of the bayonet, a small airtight ring is arranged on the outer diameter of the top of the valve rod, and the small airtight ring of the valve rod is sleeved into the inner diameter of the atmosphere tight ring of the bayonet. The above is a specific structural embodiment of the pump core assembly.
And an auxiliary spring is arranged between the small airtight ring of the valve rod and the large airtight ring of the bayonet. The auxiliary spring can be an auxiliary plastic spring or a small metal spring, and the auxiliary plastic spring is an existing spiral spring or other existing plastic spring structures.
The middle of the lower side of the middle ring of the large ring is provided with a small ring groove, an internal thread is arranged in the small ring groove, the ring opening of the small ring groove is lower than the ring opening of the rotary ring, the orifice on one side of the elastic sleeve of the pump body is positioned in the ring opening of the rotary ring, the inner diameter of the ring opening of the rotary ring is provided with a buckling ring, the diameter of the buckling ring of the rotary ring is smaller than the inner diameter of the rotary ring above the rotary ring, a limiting step ring is arranged, and one side of the buckling ring of the rotary ring is provided with a. The structure is convenient for the large ring, the rotating ring to be structurally connected with the inner bottle body and the outer bottle body, namely, the bottle mouth of the outer bottle is buckled and fixed on the ring mouth of the rotating ring, and the bottle mouth thread screw of the inner bottle is connected with the inner thread of the large ring.
The outer diameter of the large ring and the outer diameter of the rotating ring are cylindrical integrally, a raised nozzle is arranged on one side of the head cap, and the nozzle is accommodated in a nozzle groove on one side of the top of the outer cover. The structure is convenient for the large ring, the rotating ring and the bottle body to form a cylindrical integral structure.
The utility model has reasonable structural design, good sealing performance, stability and safety, good mist spraying effect and convenient production and assembly; it is suitable for being used as a spray head of liquid daily cosmetics and the structural improvement of the like products.
Drawings
Fig. 1 is a schematic sectional structure diagram of the present invention.
Fig. 2 is a sectional structural view of the head cap of fig. 1 in a pressed state.
Fig. 3 is a schematic sectional view of the pump core assembly of the present invention, wherein the frame is enlarged.
Fig. 4 is a schematic perspective view of fig. 3.
Fig. 5 is a schematic view of the bottom structure of the headgear of the present invention.
Fig. 6 is a schematic cross-sectional structure of fig. 5.
Fig. 7 is a schematic view of the three-dimensional structure of the plastic spring of the present invention.
Fig. 8 is a schematic cross-sectional structure of fig. 7.
Fig. 9 is a cross-sectional structural view of the pressed state of fig. 8.
Fig. 10 is a schematic cross-sectional view of the large circle of the present invention.
Fig. 11 is a schematic perspective view of fig. 10.
Figure number and name: 1. the valve comprises a head cap, 101, a rib groove, 102, a guide rib, 2, a plastic spring, 201, an outer sleeve opening, 202, an inner sleeve opening, 203, a wave cylinder, 3, a large ring, 301, a ring groove, 302, a pin, 4, a valve rod, 5, a bayonet, 6, a piston, 7, a valve needle, 8, a spring sleeve, 9, a pump body, 10, a gasket, 11, an outer cover, 12 and a rotating ring.
Detailed Description
The structure of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-11, a spiral groove hole is arranged at the position of an inner rotary ring 12 in an outer cover 11 of the vacuum nozzle, a pin 302 is symmetrically arranged at the outer diameter of a middle ring of a large ring 3, the pin of the large ring is inserted into a cover positioning groove at the inner wall of the outer cover through the spiral groove hole of the rotary ring, a large ring groove is arranged in the middle of the upper part of the middle ring of the large ring, ring ribs at two sides of the large ring groove of the large ring are symmetrically provided with open ring positioning grooves, a pump core assembly is fastened and fixed in a central hole of the large ring, a gasket 10 is arranged at the outer diameter of the pump core assembly below the fastening and fixing position, a valve rod 4 of the pump core assembly extends out of the large ring and is connected with a head. The spring is a plastic spring 2, an outer sleeve opening 201 is arranged at one end of the plastic spring, an inner sleeve opening 202 is arranged at one end of the plastic spring, a wave tube 203 is arranged between the outer sleeve opening and the inner sleeve opening of the plastic spring, the outer sleeve opening, the inner sleeve opening and the wave tube are integrally formed, two ends of the plastic spring are respectively abutted against a head cap and a large ring, namely, the outer diameter of the outer sleeve opening of the plastic spring is sleeved with the inner diameter of a rib groove 101 at the bottom in the head cap, the inner sleeve opening ring opening of the plastic spring is abutted against a large ring groove bottom ring groove 301 of the large ring, the plastic spring is positioned in the large ring groove of the large ring, and the plastic spring is a polymer plastic spring. The rib grooves of the head cap are arranged on rib plates at the bottom in the head cap, the rib plates are arranged in a cross shape in a pairwise symmetry manner, guide ribs 102 are symmetrically arranged on the inner walls of the rib grooves at two sides of the liquid outlet hole of the head cap, and the guide ribs of the head cap are inserted into the large-circle ring positioning grooves. The opening of the outer diameter of the bottom of the head cap is positioned above the guide groove of the large ring, the guide groove is arranged outside the large ring groove of the large ring, and the opening of the large ring groove of the large ring is positioned inside the opening of the outer diameter of the bottom of the head cap.
Meanwhile, a pump body 9 assembled by the pump core is fastened and fixed in a central hole of the large ring through a bayonet 5, a pump opening of the pump body is fastened with an inner groove hole of the bayonet, a pin head at one end of a valve needle 7 in the pump body is fastened with an inner rib hole of a valve rod, a piston 6 is arranged on the outer diameter of the valve needle at the fastening position, a shunt groove is arranged on the inner wall of the inner rib hole of the valve rod, the valve rod is sleeved in the bayonet, the outer diameter of the piston is in sliding fit with the inner wall of the pump body to be abutted and sealed, an outward opening at the top of the piston is sleeved into a bottom groove hole at the bottom of the valve rod, the outward opening of the piston is abutted and sliding sealed with the inner wall of the bottom groove hole of the valve rod, a bottom groove hole of the valve rod is an arc-shaped bottle opening; an atmosphere tight ring is arranged at the top of the bayonet, a small airtight ring is arranged on the outer diameter of the top of the valve rod, and the small airtight ring of the valve rod is sleeved into the inner diameter of the atmosphere tight ring of the bayonet. The middle of the middle ring below of the large ring is provided with a small ring groove, an internal thread is arranged in the small ring groove, the ring opening of the small ring groove is lower than the ring opening of the rotary ring, the orifice on one side of the elastic sleeve of the pump body is positioned in the ring opening of the rotary ring, the inner diameter of the ring opening of the rotary ring is provided with a buckling ring, the diameter of the buckling ring of the rotary ring is smaller than the inner diameter of the rotary ring above the rotary ring, a limiting step ring is arranged, and one side of the buckling ring of the rotary ring is provided with a convex rib. The outer diameter of the large ring and the outer diameter of the rotary ring are cylindrical integrally, one side of the head cap is provided with a raised nozzle, and the nozzle is accommodated in a nozzle groove on one side of the top of the outer cover. According to the structural characteristics, another auxiliary spring can be arranged between the small airtight ring of the valve rod and the large airtight ring of the bayonet.
The vacuum nozzle is a vacuum nozzle with a pressing type plastic spring structure, a pump core assembly is formed by an elastic sleeve, a pump body, a valve needle, a piston, a bayonet and a valve rod of the vacuum nozzle, the vacuum nozzle is mainly improved aiming at the structure of the existing vacuum pump, and the technology research, development and application of high and new materials on the vacuum pump are realized. It has the following structural characteristics: 1. the plastic spring is designed in a brand-new structure, the shape of the plastic spring is tower-shaped, the middle through hole is designed, the wall thickness of the plastic spring is extremely thin, the wave cylinder of the outer ring is in a W-shaped wave shape, the concave-convex wave structure is designed to be more in line with elastic mechanics, and good elastic effect is created by product deformation; meanwhile, the pressing hand feeling of the plastic spring is very soft and fine, while the hand feeling of the traditional steel wire spring is harder and more obtrusive. 2. The vacuum nozzle adopts the structural design of an all-plastic vacuum nozzle, a pump core is sleeved in a through hole in the middle of a plastic spring to be assembled, the end surface of an outer sleeve opening of the plastic spring is arranged on a plane at a rib groove of four rib position columns of a head cap, and the other end surface of an inner sleeve opening of the plastic spring is arranged on a plane at a ring groove outside a large ring central hole. Therefore, when the pressing head cap moves downwards in the using process, the corrugated cylinder of the plastic spring is compressed and deformed; the ripple barrel of the plastic spring is rebounded and reset after hands are released, the head cap, the valve rod, the piston and the valve needle are driven to move upwards, and the pressing rebounding function of the pump core assembly is achieved.
The plastic spring is made of a high polymer material, and the high polymer material is prepared from the following components: 72-84 parts of high-density polyethylene, 15-25 parts of aluminum hydroxide, 10-15 parts of modified graphene oxide colloid, 3-10 parts of wear-resisting agent, 2-10 parts of hardness regulator, 0.5-2.5 parts of antioxidant, 0.5-1.5 parts of lubricant, 0.3-0.6 part of anti-ultraviolet absorber and 0.1-0.4 part of white oil; the wear-resisting agent is maleic anhydride grafted ultrahigh molecular weight polyethylene and/or high molecular weight polysiloxane; the molecular weight of the maleic anhydride grafted ultrahigh molecular polyethylene is 200-350 ten thousand; the hardness regulator is a sulfonic acid amide and/or nylon acid ester hardness regulator; the sulfonic acid amide hardness regulator is one or more of p-toluenesulfonic acid amide, N-ethylsulfonic acid amide or N-butylsulfonic acid amide; the antioxidant is one or more of antioxidant A30, antioxidant HS02, antioxidant H3336 or antioxidant H10; the anti-ultraviolet absorbent is one or more of an ultraviolet absorbent UV320, an ultraviolet absorbent UV380 or an ultraviolet absorbent UV 670; the lubricant is one or more of silicone, EBS, erucamide or oleamide.
The preparation steps of the high polymer material are as follows: firstly, uniformly stirring high-density polyethylene and white oil, adding aluminum hydroxide, a modified graphene oxide colloid, a wear-resisting agent, a hardness regulator, an antioxidant, an anti-ultraviolet absorber and a lubricant, mixing and stirring, adding into a double-screw blending extruder, blending and extruding, and granulating to obtain a high polymer material; the stirring speed of the high-density polyethylene and the white oil is 400-500rpm, and the time is 1-3 min; the mixing and stirring time is 2-6 min; the temperature of the blending extrusion is 190-230 ℃, the rotating speed is 350-500rpm, and the vacuum degree is 0.08-0.05 MPa; before the injection molding of the high polymer material, the modified nylon elastomer is dried for 4-6 hours at the temperature of 100-120 ℃; in the injection molding process, the heating temperature of the screw is 190-220 ℃, the temperature of the nozzle is 240-260 ℃, the injection speed is 35-65mm/s, the injection pressure is 50-70bar, and the molding time is 30-80 s.
In summary, most of the nozzles of vacuum pumps on the market at present adopt steel wire springs, and the steel wire springs are soaked in liquid and are difficult to avoid chemical reaction, so that the elasticity performance of the product is influenced, and the liquid is deteriorated and pollutes the health of users. And the steel wire spring structure shower nozzle in traditional vacuum pump can be retrieved after need with the metal spring split during the recovery, extremely is unfavorable for retrieving, and retrieves with high costs, the process is complicated. The all-plastic structure design of the vacuum nozzle is completely made of recyclable plastic, so that the vacuum nozzle is environment-friendly and healthy, the whole nozzle is directly recycled, the split is not needed, and the vacuum nozzle is environment-friendly, low-carbon, economical, efficient and convenient.
Claims (7)
1. A macromolecule all-plastic push type vacuum nozzle is characterized in that a spiral groove hole is formed in an inner rotary ring (12) of an outer cover (11) of the vacuum nozzle, a pin column (302) is symmetrically arranged on the outer diameter of a middle ring of a large ring (3), the pin column of the large ring is inserted into a cover positioning groove in the inner wall of the outer cover through the spiral groove hole of the rotary ring, a large ring groove is arranged in the middle of the upper portion of the middle ring of the large ring, ring ribs on two sides of the large ring groove of the large ring are symmetrically provided with open ring positioning grooves, a pump core assembly is fastened and fixed in a center hole of the large ring, a gasket (10) is arranged on the outer diameter of the pump core assembly below a fastening and fixing position, a valve rod (4) of the pump core assembly extends out of the large ring and is connected with a; the spring is characterized in that the spring is a plastic spring (2), an outer sleeve opening (201) is arranged at one end of the plastic spring, an inner sleeve opening (202) is arranged at one end of the plastic spring, a wave cylinder (203) is arranged between the outer sleeve opening and the inner sleeve opening of the plastic spring, the outer sleeve opening, the inner sleeve opening and the wave cylinder of the plastic spring are integrally formed, two ends of the plastic spring are respectively abutted against a head cap (1) and a large ring (3), namely, the outer diameter of the outer sleeve opening of the plastic spring is sleeved with the inner diameter of a rib groove (101) at the inner bottom of the head cap, the ring opening of the inner sleeve opening of the plastic spring is abutted against a ring groove (301) at the bottom of the large ring, and the plastic spring is positioned in the large ring groove of.
2. The polymer all-plastic push type vacuum sprayer according to claim 1, wherein the rib grooves (101) of the head cap (1) are arranged on rib plates at the bottom in the head cap, the rib plates are arranged in a cross shape in a pairwise symmetry manner, guide ribs (102) are symmetrically arranged on the inner walls of the rib grooves at two sides of the liquid outlet hole of the head cap, and the guide ribs of the head cap are inserted into the ring positioning grooves of the large ring (3).
3. The all-plastic push type vacuum sprayer according to claim 1, wherein the outer diameter of the bottom of the head cap (1) is located above the guide groove of the large ring (3), the guide groove is disposed outside the large ring groove of the large ring, and the opening of the large ring groove of the large ring is located inside the outer diameter of the bottom of the head cap.
4. The all-plastic polymer push-type vacuum sprayer according to claim 1, wherein the pump body (9) assembled by the pump core is fastened and fixed to the center hole of the large ring (3) through the bayonet (5), the pump mouth of the pump body is fastened with the inner slot of the bayonet, the pin head at one end of the valve needle (7) in the pump body is fastened with the inner rib of the valve rod (4), the outer diameter of the valve needle at the fastening position is provided with the piston (6), the inner wall of the inner rib of the valve rod is provided with the diversion channel, the valve rod is sleeved into the bayonet, the outer diameter of the piston is in sliding fit with and abuts against the inner wall of the pump body for sealing, the outward flanged mouth at the top of the piston is sleeved into the bottom slot at the bottom of the valve rod, the outward flanged mouth of the piston is in sliding seal with the inner, namely, the bottom slotted hole at the position of the splitter box of the valve rod is a semicircular hole, the bottom slotted hole below the semicircular hole is a cylindrical hole, and a bullet sleeve (8) is arranged at the position of a water inlet in the pump body; an atmosphere tight ring is arranged at the top of the bayonet, a small airtight ring is arranged on the outer diameter of the top of the valve rod, and the small airtight ring of the valve rod is sleeved into the inner diameter of the atmosphere tight ring of the bayonet.
5. The all-plastic polymer push type vacuum sprayer according to claim 4, wherein an auxiliary spring is provided between the small airtight ring of the valve stem (4) and the large airtight ring of the bayonet (5).
6. The all-plastic push type vacuum sprayer according to claim 4, wherein the middle of the middle ring of the large ring (3) is provided with a small ring groove, the small ring groove is internally provided with internal threads, the ring opening of the small ring groove is lower than the ring opening of the rotating ring (12), the orifice of one side of the elastic sleeve (8) of the pump body (9) is positioned in the ring opening of the rotating ring, the inner diameter of the ring opening of the rotating ring is provided with a buckling ring, the diameter of the buckling ring of the rotating ring is smaller than the inner diameter of the rotating ring above, the rotating ring is provided with a limiting step ring, and one side of the buckling ring of the rotating ring is provided with symmetrically arranged convex ribs.
7. The all-plastic polymer push type vacuum sprayer according to claim 1, wherein the outer diameter of the large ring (3) and the outer diameter of the rotary ring (12) are cylindrical, one side of the head cap (1) is provided with a raised nozzle, and the nozzle is received in a nozzle groove at one side of the top of the outer cover (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021116438.3U CN212354967U (en) | 2020-06-16 | 2020-06-16 | High polymer all-plastic push type vacuum nozzle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021116438.3U CN212354967U (en) | 2020-06-16 | 2020-06-16 | High polymer all-plastic push type vacuum nozzle |
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| CN212354967U true CN212354967U (en) | 2021-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111731666A (en) * | 2020-06-16 | 2020-10-02 | 浙江正庄实业有限公司 | Polymer all-plastic push type vacuum nozzle and material preparation method thereof |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111731666A (en) * | 2020-06-16 | 2020-10-02 | 浙江正庄实业有限公司 | Polymer all-plastic push type vacuum nozzle and material preparation method thereof |
| CN111731666B (en) * | 2020-06-16 | 2024-03-29 | 浙江正庄实业有限公司 | Polymer full-plastic push type vacuum nozzle and material preparation method thereof |
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