CN110589207A - All-plastic hand-buckled sprayer and preparation method of environment-friendly high-toughness PP material thereof - Google Patents
All-plastic hand-buckled sprayer and preparation method of environment-friendly high-toughness PP material thereof Download PDFInfo
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- CN110589207A CN110589207A CN201910739221.3A CN201910739221A CN110589207A CN 110589207 A CN110589207 A CN 110589207A CN 201910739221 A CN201910739221 A CN 201910739221A CN 110589207 A CN110589207 A CN 110589207A
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- plastic spring
- plastic
- piston
- buckled
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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
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
Abstract
The invention relates to an all-plastic hand-buckled sprayer and a preparation method of an environment-friendly high-toughness PP (polypropylene) material thereof, which are designed aiming at the technical problems that a plastic spring in the existing similar products is short in service life and strength and the environment-friendly property of raw materials for production and preparation is poor. The key point is that the first R angle at the inner side of the L-shaped bending part of the plastic spring of the hand-buckled sprayer is between 110 and 120 degrees, the second R angle at the inner side of the buckling seat edge of the plastic spring is between 70 and 75 degrees, the R angle of the plastic spring is optimally designed to be 110 degrees, and the second R angle is 73 degrees; the straw, the large ring, the main body, the plastic ball, the main body, the head cap, the wrench, the housing and the connecting piece are made of environment-friendly high-toughness PP materials. In order to cover the appearance and color influence brought by the plastic spring better, the housing is produced by adopting real color; in order to bring more color matching and freedom degree, the cover casing consists of a cover bottom and a cover, and more color selection and matching are provided.
Description
Technical Field
The invention relates to a micro sprayer, in particular to a full-plastic hand-buckled sprayer and a preparation method of an environment-friendly high-toughness PP material thereof.
Background
The sprayer is a miniature sprayer, and the product utilizes the movement of a piston in a pump body to make gas in the pump body flow, reduce the pressure, keep the pressure outside the pump body unchanged, generate pressure difference inside and outside the pump body, guide liquid out of the pump body through the pressure difference, and atomize instantly when the liquid meets high-speed airflow. The components in the existing micro sprayer are made of different raw materials, wherein the components comprise a metal spring, a glass ball or a steel ball and the like, the reclaimed materials of the components can be recycled by a sorting step, and the steps are complicated, energy-saving, environment-friendly and inconvenient for recycling the wastes again. Some existing hand-buckled sprayers adopt an all-plastic structure design, in particular to an all-plastic hand-buckled sprayer adopting a plastic spring, such as the all-plastic hand-buckled sprayer with the application number 201720890938.4 disclosed in Chinese patent documents, the granted bulletin date 2018.03.20 and the utility model named 'the all-plastic hand-buckled sprayer with the high-toughness and strength-modified plastic mesh enclosure'; the assembly and the structure of the hand button type sprayer are as follows: the plastic spring tail part buckling position is matched with the main body matched spring limiting rib, and the plane of the front end of the plastic spring is matched with the wrench matched spring limiting position. However, because the R corners of the plastic spring are stress points when the plastic spring is assembled and pressed, the plastic spring is prone to be broken due to insufficient strength of the R corners of the stress points, and has poor resilience, thereby affecting the hand feeling and the continuous function when the plastic spring is used.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide the full-plastic hand-buckled sprayer and the preparation method of the environment-friendly high-toughness PP material thereof for the field, so that the technical problems that the plastic spring in the existing similar products is short in service life and strength and the environment-friendly property of raw materials for production and preparation is poor are mainly solved. The purpose is realized by the following technical scheme.
A full-plastic hand-buckled sprayer is composed of a casing, a cap with a water outlet, a leading valve and a water dividing head, a blind cover with a water inlet, a large ring with a water inlet, a gasket at the water inlet, a plastic ball with a through hole at the upper cover, a sucking tube at the lower cover, a L-shaped channel between water inlet and water outlet, a piston cavity at the water outlet, a through hole at the water outlet, a plastic spring with one end engaged with a spanner, one end of the wrench is hinged and fixed on hinge columns on two sides of the outer diameter of the water outlet of the main body, a piston is arranged below a buckling part of the wrench and the plastic spring, one end of the piston is hermetically sleeved in a piston cavity of the main body, and the other end of the piston is buckled with the lower part of the plastic spring of the wrench through a connecting piece; the plastic spring is structurally characterized in that two sides of the plastic spring are respectively L-shaped, two ends of the L-shaped plastic spring at two sides are respectively connected into a whole, L-shaped short edges at two sides of the plastic spring are bent outwards in an arc shape, an arc-arched buckling seat edge is arranged at the joint of the L-shaped short edges of the plastic spring, a raised flat head is arranged at the end part of the joint of the L-shaped long edges of the plastic spring, and the L-shaped long edges of the plastic spring are folded towards the center of the flat head; the center of the L-shaped short edge of the plastic spring is sleeved into the outer diameter of the piston cavity of the main body through the large ring of the main body, the center of the L-shaped short edge of the plastic spring is sleeved on the outer diameter of the piston cavity of the main body, the inner side of the buckling seat edge of the plastic spring is buckled with the outer side of the main body above the large ring of the main body, the flat head of the plastic spring is inserted into a buckling groove above the connecting piece of the wrench and is buckled and fixed, and then the piston and the connecting piece at the piston of the main; the first R angle a at the inner side of the L-shaped bending part of the plastic spring is between 110 and 120 degrees, and the second R angle b at the inner side of the buckling seat edge of the plastic spring is between 70 and 75 degrees. Thereby there are not enough shortcomings of atress intensity in this plastic spring's original design, and the plastic spring structure after the improvement is: increase the R angle of two atress departments of plastic spring when the spanner is pressed, this structural advantage: after the R angle of the plastic spring is increased, the stress area is increased, and the strength is increased; thereby make this hand buckled atomizer when normal use plastic spring firmness can obviously be superior to product before the cooperation back, the resilience force of plastic spring also can obviously strengthen, and white core phenomenon also can obviously improve behind the increase R angle for improve the spraying greatly and feel and last function in the use.
The first R angle a of the plastic spring is 110 degrees and the second R angle b is 73 degrees. The above is an optimum R-angle design.
The cover shell comprises a cover bottom and a cover, wherein an L-shaped short edge above a buckling seat edge of the plastic spring is provided with a dowel of a backward boss, a chamfer is arranged between the dowel and the buckling seat edge of the plastic spring and is clamped between the outer diameter of the cover bottom and a ring opening of a large ring, a protruding cavity is arranged at the rear part of the cover bottom and the cover, the cover bottom and the cover in the protruding cavity are mutually buckled, fixed and connected into a whole and then pushed into the rear part of the main body, a buckling hole at the top in the cover is buckled with a tail end barb of the outer diameter of a channel at the top of the main body, two wings of a barb plate at the top of the main body are buckled with wing hooks on the inner wall of the cover, side ribs are arranged at two sides of the rear part of the outer diameter of the main body below the barb plate of the main body, the side ribs of the main body are inserted into the side grooves at two sides of the inner wall of the cover, the dowel of the plastic spring is inserted into the rib grooves at, the flat groove of the plastic spring is buckled with the buckling groove of the wrench. The structure further fixes the main body, the cover bottom and the cover cap, and further fixes the plastic spring, the main body and the wrench.
The connecting piece comprises a piston connecting seat and a piston connecting rod, the piston connecting seat is arranged in an inner groove on one side of the piston, two channels of the piston connecting rod are respectively provided with a ball head, one end of the ball head of the piston connecting rod is buckled with an inner side ball groove of the wrench, and the other end of the piston connecting rod is buckled with the piston connecting seat in the piston. The above is an embodiment of the connector, and other connection methods between the piston and the wrench and other structural components can be adopted for the connector.
The straw, the large ring, the main body, the plastic ball, the main body, the head cap, the wrench, the housing and the connecting piece are made of environment-friendly high-toughness PP materials, and the environment-friendly high-toughness PP materials are composed of the following raw materials in parts by weight: 40-70 parts of PP resin, 5-10 parts of toughening agent, 2-8 parts of compatilizer, 5-10 parts of reinforced powder, 3-5 parts of graphene, 0.2-0.4 part of antioxidant, 0.5-2 parts of lubricant and 0.1-0.3 part of silane coupling agent; the PP resin is one or a mixture of homopolymerized PP resin and copolymerized PP resin; the toughening agent is any one of polyolefin elastomer, ethylene/methacrylic acid copolymer and ethylene-vinyl acetate copolymer or a mixture of any two of the polyolefin elastomer, the ethylene/methacrylic acid copolymer and the ethylene-vinyl acetate copolymer or a mixture of the polyolefin elastomer, the ethylene/methacrylic acid copolymer and the ethylene-vinyl acetate copolymer; the reinforced powder is a mixture formed by mixing mica powder and glass microspheres, organic fiber microspheres or asbestos microspheres according to a ratio of 1-5:2-4, and the particle size of the reinforced powder is 400-800 meshes; the compatilizer is one or a mixture of polypropylene grafted maleic anhydride and polyethylene grafted maleic anhydride; the toughening agent is POM, PVC, PET or PETG; the antioxidant is a mixture formed by mixing an antioxidant 1076 and an antioxidant 168 according to the weight ratio of 1: 1; the lubricant is any one of polyethylene wax, ethylene bis stearamide and pentaerythritol tetrastearate; the silane coupling agent is one of a silane coupling agent KH550 or a silane coupling agent KH 560.
The environment-friendly high-toughness PP material comprises the following preparation steps: 1) and powder treatment: pouring the reinforced powder in parts by weight into a stirrer with a high-pressure sprayer, and spraying the silane coupling agent in parts by weight while stirring the powder, wherein the pressure of the high-pressure sprayer is 0.5MPa-1.0MPa, the stirring temperature is 60-80 ℃, and the stirring time is 25-35 min; 2) and extruding and granulating: uniformly stirring the PP resin, the graphene, the toughening agent, the compatilizer, the antioxidant and the lubricant in parts by weight, then feeding the mixture into an extruder barrel from a main feeding port of a double-screw extruder, feeding the reinforced powder treated in the step 1) into the extruder barrel from a side feeding port of the double-screw extruder, mixing and extruding the mixture, wherein the temperature in the extruder barrel is 180-fold and 230 ℃, the rotating speed of a screw is 200-fold and 800r/min, cooling the mixture by a cooling water tank after extrusion, and granulating by a granulator to obtain a finished product.
1-5 parts of flash powder and 0.5-2 parts of pigment are added into the raw material composition of the plastic spring, the reinforced powder and the flash powder are poured into a high-pressure sprayer for stirring, and the pigment is poured into PP resin, graphene, a toughening agent, a compatilizer, an antioxidant and a lubricant for stirring uniformly. Thereby increasing the metallic feel of the plastic spring.
The invention has reasonable structural design, convenient production and use, good sealing property and stability, feasible material preparation method, long service life and high strength of the plastic spring in particular; it is suitable for being used as an all-plastic hand-buckled sprayer and the structural improvement of the like products.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is a schematic view of an assembly structure among the inner body, the plastic spring and the wrench in fig. 1.
Fig. 3 is a side view of the plastic spring of the present invention.
Fig. 4 is a rear structural view of fig. 3.
Fig. 5 is a schematic perspective view of fig. 3.
Figure number and name: 1. the suction pipe comprises a suction pipe body, 2 parts of a large ring, 3 parts of a gasket, 4 parts of a blank cover, 5 parts of a plastic ball, 6 parts of a cover bottom, 7 parts of a cover cap, 8 parts of a main body, 9 parts of a piston, 10 parts of a plastic spring, 1001 parts of a first R angle, 1002 parts of a second R angle, 11 parts of a piston connecting seat, 12 parts of a piston connecting rod, 13 parts of a guide valve, 14 parts of a water dividing head, 15 parts of a head cap, 16 parts of a spanner.
Detailed Description
The construction and use of the invention will now be further described with reference to the accompanying drawings. Referring to fig. 1-5, the outer diameter of the main body 8 of the hand-buckled sprayer is provided with a housing, the water outlet of the main body is provided with a head cap 15, the inner diameter of the water outlet of the main body at the head cap is provided with a guide valve 13 and a water dividing head 14, the water inlet of the main body is provided with a blank cap 4, the outer diameter of the main body at the blank cap is provided with a large ring 2, the ring opening of the large ring is buckled and fixed with the outer diameter of the water inlet of the main body, the end surface of the water inlet of the main body in the large ring is provided with a gasket 3, the inner diameter of the upper cover hole of the blank cap in the main body is provided with a plastic ball 5, the lower cover hole of the blank cap below the plastic ball is provided with a suction pipe 1, the channel between the water inlet and the water outlet in the main body is L-shaped, the water outlet side of the main body at the plastic ball of the blank cap is provided with a, one end of the plastic spring is abutted to the wrench 16 for buckling, one end of the wrench is hinged to the hinge columns fixed on two sides of the outer diameter of the water outlet of the main body, a piston 9 is arranged below the abutted buckling position of the wrench and the plastic spring, one end of the piston is sleeved in the piston cavity of the main body in a sealing mode, and the other end of the piston is abutted to the lower portion of the plastic spring of the wrench through a connecting piece. The two sides of the plastic spring are respectively L-shaped, the two L-shaped ends of the two sides are respectively connected into a whole, the L-shaped short edges of the two sides of the plastic spring are bent outwards in an arc shape, the joint of the L-shaped short edges of the plastic spring is provided with an arc-shaped arched buckling seat edge, the end part of the joint of the L-shaped long edges of the plastic spring is provided with a raised flat head, and the L-shaped long edges of the plastic spring are folded towards the center of the flat head; the center of the L-shaped short edge of the plastic spring is sleeved into the outer diameter of the piston cavity of the main body through the large ring of the main body, the center of the L-shaped short edge of the plastic spring is sleeved on the outer diameter of the piston cavity of the main body, the inner side of the buckling seat edge of the plastic spring is buckled with the outer side of the main body, the flat head of the plastic spring is inserted into a buckling groove above the connecting piece of the wrench 16 and is buckled and fixed, and then the piston and the connecting piece at the piston of the main body are. The first R angle a1001 at the inner side of the L-shaped bending part of the plastic spring is between 110 and 120 degrees, the second R angle b1002 at the inner side of the buckling seat edge of the plastic spring is between 70 and 75 degrees, the optimal value of the first R angle a is 110 degrees, and the optimal value of the second R angle b is 73 degrees.
Meanwhile, the housing comprises a housing bottom 6 and a housing cover 7, wherein an L-shaped short edge above a buckling seat edge of the plastic spring is provided with a dowel of a backward boss, a chamfer is arranged between the dowel and the buckling seat edge of the plastic spring and is clamped between the outer diameter of the housing bottom and a large ring opening, a protruding cavity is arranged at the rear part in the housing bottom and the housing cover, the housing bottom and the housing cover in the protruding cavity are mutually buckled, fixed and connected into a whole and then pushed into the rear part of the main body, a buckling hole at the top in the housing cover is buckled with a tail end barb of the outer diameter of a channel at the top of the main body, two wings of a top barb plate at the head cap of the main body are buckled with wing hooks at the inner wall of the housing cover, side ribs are arranged at two sides of the rear part of the outer diameter of the main body below the barb plate, the side ribs of the main body are inserted into side grooves at two sides of the inner wall of the housing cover, the, the top of the joint of the L-shaped long edge of the plastic spring is provided with a flat groove, and the flat groove of the plastic spring is buckled with the buckling groove of the wrench. The connecting piece comprises a piston connecting seat 11 and a piston connecting rod 12, the piston connecting seat is arranged in an inner groove on one side of the piston, two channels of the piston connecting rod are respectively provided with a ball head, the ball head at one end of the piston connecting rod is buckled with an inner side ball groove of the wrench, and the ball head at the other end of the piston connecting rod is buckled with the piston connecting seat in the piston.
The straw, the large ring, the blank cap, the plastic ball, the main body, the head cap, the wrench, the cover bottom, the cover cap, the piston connecting seat and the piston connecting rod are made of environment-friendly high-toughness PP materials, and specific preparation examples of the environment-friendly high-toughness PP materials are as follows:
example 1: the preparation method comprises the following preparation steps: 1) and powder treatment: pouring 5 parts by weight of the reinforced powder into a stirrer with a high-pressure sprayer, and spraying 0.2 part by weight of a silane coupling agent KH550 while stirring the powder, wherein the pressure of the high-pressure sprayer is 0.5MPa, the stirring temperature is 60 ℃, and the stirring time is 35 min; 2) and extruding and granulating: uniformly stirring 40 parts of PP resin, 3 parts of graphene, 5 parts of toughening agent, 2 parts of compatilizer, 0.2 part of antioxidant and 0.5 part of lubricant in parts by weight, feeding the mixture into an extruder barrel from a main feeding port of a double-screw extruder, feeding the reinforced powder treated in the step 1) into the extruder barrel from a side feeding port of the double-screw extruder, mixing and extruding the mixture, wherein the temperature in the extruder barrel is 180 ℃, the rotating speed of a screw is 800r/min, cooling the extruded mixture by a cooling water tank, and granulating the mixture by a granulator to obtain a finished product.
Example 2: the preparation method comprises the following preparation steps: 1) and powder treatment: pouring 50 parts by weight of the reinforced powder into a stirrer provided with a high-pressure sprayer, and spraying 0.1 part by weight of a silane coupling agent KH560 while stirring the powder, wherein the pressure of the high-pressure sprayer is 0.6MPa, the stirring temperature is 80 ℃, and the stirring time is 25 min; 2) and extruding and granulating: uniformly stirring 70 parts of PP resin, 5 parts of graphene, 10 parts of toughening agent, 8 parts of compatilizer, 0.4 part of antioxidant and 2 parts of lubricant in parts by weight, feeding the mixture into an extruder barrel from a main feeding port of a double-screw extruder, feeding the reinforced powder treated in the step 1) into the extruder barrel from a side feeding port of the double-screw extruder, mixing and extruding the mixture, wherein the temperature in the extruder barrel is 230 ℃, the rotating speed of a screw is 200r/min, cooling the extruded mixture by a cooling water tank, and granulating the mixture by a granulator to obtain a finished product.
Example 3: the preparation method comprises the following preparation steps: 1) and powder treatment: pouring 15 parts of the reinforced powder into a stirrer with a high-pressure sprayer, and spraying 0.2 part of silane coupling agent KH550 while stirring the powder, wherein the pressure of the high-pressure sprayer is 0.8MPa, the stirring temperature is 65 ℃, and the stirring time is 32 min; 2) and extruding and granulating: uniformly stirring 50 parts of PP resin, 8 parts of graphene, 6 parts of toughening agent, 4 parts of compatilizer, 0.25 part of antioxidant and 0.8 part of lubricant in parts by weight, feeding the mixture into an extruder barrel from a main feeding port of a double-screw extruder, feeding the reinforced powder treated in the step 1) into the extruder barrel from a side feeding port of the double-screw extruder, mixing and extruding the mixture, wherein the temperature in the extruder barrel is 200 ℃, the rotating speed of a screw is 600r/min, cooling the extruded mixture by a cooling water tank, and granulating the mixture by a granulator to obtain a finished product.
In order to increase the metal texture of the plastic spring, 1-5 parts of flash powder and 0.5-2 parts of pigment are added into the raw material composition, the enhanced powder and the flash powder are poured into a high-pressure sprayer for stirring, and the pigment is poured into PP resin, graphene, a toughening agent, a compatilizer, an antioxidant and a lubricant for stirring uniformly.
In conclusion, the plastic spring and the plastic ball of the original button sprayer are both made of POM raw materials, so that the button sprayer has poor environmental protection performance and is difficult to degrade, the product is easily influenced by environmental factors, and particularly, the button sprayer is very easy to volatilize with pungent and unpleasant smell after high temperature and is harmful to health. The plastic spring and the plastic ball of the all-plastic hand-buckled sprayer adopt environment-friendly high-toughness PP raw materials which are made of non-toxic and harmless materials, are not easy to generate chemical corrosion reaction with liquid, have high stability and higher flexibility and rigidity, and can meet functional requirements; and basically no volatile smell is generated after the high-temperature heating. Under the large background of global advocating green low carbon, environmental protection and recoverability. The main parts of the product are all made of environment-friendly plastics, PCR raw materials are added during the manufacturing of the plastic spring for production, and the PCR raw materials are recycled materials, so that the existing plastic garbage is classified, screened, processed and manufactured, and subjected to a series of complex processes to produce various recycled raw materials, and the effects of changing waste into valuable, recycling, saving energy and reducing emission are really achieved. Meanwhile, in order to better cover the appearance and color influence brought by the plastic spring generated by the PCR raw material, the housing is produced in real color, and the plastic spring is covered after the assembly; in addition, in order to bring more color collocation and freedom degree, the cover shell consists of a cover bottom and a cover, more color selection and collocation are provided for customers, and the appearance diversity of the product is increased.
Claims (7)
1. A full-plastic hand-buckled sprayer is characterized in that the outer diameter of a main body (8) of the hand-buckled sprayer is provided with a housing, a head cap (15) is arranged at a water outlet hole of the main body, a guide valve (13) and a water dividing head (14) are arranged at the inner diameter of the water outlet hole of the main body at the head cap, a blank cap (4) is arranged at a water inlet hole of the main body, a large ring (2) is arranged at the outer diameter of the main body at the blank cap, a ring opening of the large ring is fixedly buckled with the outer diameter of the water inlet hole of the main body, a gasket (3) is arranged at the end surface of the water inlet hole of the main body in the large ring, a plastic ball (5) is arranged at the inner diameter of an upper cover hole of the blank cap in the main body, a suction pipe (1) is arranged at a lower cover hole of the blank cap below the plastic ball, a channel between the water inlet hole and the water outlet hole in the, a plastic spring (10) is fixedly arranged on the outer diameter of a piston cavity of the main body, one end of the plastic spring is abutted and buckled with a wrench (16), one end of the wrench is hinged and fixed on hinge columns on two sides of the outer diameter of the water outlet of the main body, a piston (9) is arranged below the abutted and buckled part of the wrench and the plastic spring, one end of the piston is hermetically sleeved in the piston cavity of the main body, and the other end of the piston is abutted and buckled with the lower part of the plastic spring of the wrench through a connecting piece; the plastic spring is characterized in that two sides of the plastic spring (10) are respectively L-shaped, two ends of the L-shaped sides of the plastic spring are respectively connected into a whole, L-shaped short edges of the two sides of the plastic spring are bent outwards in an arc shape, an arc-shaped arched buckling seat edge is arranged at the joint of the L-shaped short edges of the plastic spring, a raised flat head is arranged at the end part of the joint of the L-shaped long edges of the plastic spring, and the L-shaped long edges of the plastic spring are folded towards the center of the flat head; the center of the L-shaped short edge of the plastic spring is sleeved with the outer diameter of the piston cavity through the main body (1), the center of the L-shaped short edge of the plastic spring is sleeved with the outer diameter of the piston cavity of the main body, the inner side of the buckling seat edge of the plastic spring is buckled with the outer side of the main body above the large ring of the main body, the flat head of the plastic spring is inserted into a buckling groove above the connecting piece of the wrench (16) and is buckled and fixed, and then the piston (9) and the connecting piece at the piston of the main body are installed; the first R angle a (1001) at the inner side of the L-shaped bending part of the plastic spring is between 110 and 120 degrees, and the second R angle b (1002) at the inner side of the buckling seat edge of the plastic spring is between 70 and 75 degrees.
2. The all-plastic hand sprayer according to claim 1, characterized in that the plastic spring (10) has a first R angle a (1001) of 110 degrees and a second R angle b (1002) of 73 degrees.
3. The all-plastic hand-buckled sprayer according to claim 1, wherein the cover comprises a cover bottom (6) and a cover lid (7), the L-shaped short edge above the fastening seat edge of the plastic spring (10) is provided with a dowel of a backward boss, a chamfer is arranged between the dowel and the fastening seat edge of the plastic spring, the chamfer is fastened between the outer diameter of the cover bottom and the ring opening of the large ring (2), the rear parts of the cover bottom and the cover lid are provided with a convex cavity, the cover bottom and the cover lid in the convex cavity are mutually fastened, fixed and connected into a whole and then pushed into the rear part of the main body (8), a fastening hole at the top part in the cover lid is fastened with a terminal barb of the outer diameter of the channel at the top part of the main body, two wings of a top barb plate at the head cap (15) of the main body are fastened with wing hooks on the inner wall of the cover lid, side ribs are arranged at two sides of the rear part of the outer diameter of the main body below the barb plate of the main body, the edge symmetry is equipped with the wing muscle above the dowel of plastic spring, and the wing muscle inserts the wing groove of end shield inner wall, and the long limit junction top of L font of plastic spring is equipped with the parallel groove, and the parallel groove of plastic spring and the catching groove lock of spanner (16).
4. The all-plastic hand button sprayer according to claim 1, wherein the connecting member comprises a piston connecting seat (11) and a piston connecting rod (12), the piston connecting seat is provided in an inner groove on one side of the piston (9), two of the piston connecting rods are respectively provided with a ball head, the ball head on one end of the piston connecting rod is buckled with an inner ball groove of the wrench (16), and the ball head on the other end of the piston connecting rod is buckled with the piston connecting seat in the piston.
5. The preparation method of the environment-friendly high-toughness PP material for the all-plastic hand button sprayer according to claim 1, wherein the straw (1), the large ring (2), the blank cap (4), the plastic ball (5), the main body (8), the head cap (15), the wrench (16), the housing and the connecting piece are made of environment-friendly high-toughness PP materials, and the environment-friendly high-toughness PP materials are composed of the following raw materials in parts by weight: 40-70 parts of PP resin, 5-10 parts of toughening agent, 2-8 parts of compatilizer, 5-10 parts of reinforced powder, 3-5 parts of graphene, 0.2-0.4 part of antioxidant, 0.5-2 parts of lubricant and 0.1-0.3 part of silane coupling agent; the PP resin is one or a mixture of homopolymerized PP resin and copolymerized PP resin; the toughening agent is any one of polyolefin elastomer, ethylene/methacrylic acid copolymer and ethylene-vinyl acetate copolymer or a mixture of any two of the polyolefin elastomer, the ethylene/methacrylic acid copolymer and the ethylene-vinyl acetate copolymer or a mixture of the polyolefin elastomer, the ethylene/methacrylic acid copolymer and the ethylene-vinyl acetate copolymer; the reinforced powder is a mixture formed by mixing mica powder and glass microspheres, organic fiber microspheres or asbestos microspheres according to a ratio of 1-5:2-4, and the particle size of the reinforced powder is 400-800 meshes; the compatilizer is one or a mixture of polypropylene grafted maleic anhydride and polyethylene grafted maleic anhydride; the toughening agent is POM, PVC, PET or PETG; the antioxidant is a mixture formed by mixing an antioxidant 1076 and an antioxidant 168 according to the weight ratio of 1: 1; the lubricant is any one of polyethylene wax, ethylene bis stearamide and pentaerythritol tetrastearate; the silane coupling agent is one of a silane coupling agent KH550 or a silane coupling agent KH 560.
6. The preparation method of the environment-friendly high-toughness PP material of the all-plastic hand-buckled sprayer according to claim 5, wherein the environment-friendly high-toughness PP material comprises the following preparation steps: 1) and powder treatment: pouring the reinforced powder in parts by weight into a stirrer with a high-pressure sprayer, and spraying the silane coupling agent in parts by weight while stirring the powder, wherein the pressure of the high-pressure sprayer is 0.5MPa-1.0MPa, the stirring temperature is 60-80 ℃, and the stirring time is 25-35 min; 2) and extruding and granulating: uniformly stirring the PP resin, the graphene, the toughening agent, the compatilizer, the antioxidant and the lubricant in parts by weight, then feeding the mixture into an extruder barrel from a main feeding port of a double-screw extruder, feeding the reinforced powder treated in the step 1) into the extruder barrel from a side feeding port of the double-screw extruder, mixing and extruding the mixture, wherein the temperature in the extruder barrel is 180-fold and 230 ℃, the rotating speed of a screw is 200-fold and 800r/min, cooling the mixture by a cooling water tank after extrusion, and granulating by a granulator to obtain a finished product.
7. The preparation method of the environment-friendly high-toughness PP material of the all-plastic hand button type sprayer according to claim 6, wherein 1-5 parts of flash powder and 0.5-2 parts of pigment are added into the raw material composition of the plastic spring (10), the enhanced powder and the flash powder are poured into a high-pressure sprayer and stirred, and the PP resin, the graphene, the toughening agent, the compatilizer, the antioxidant and the lubricant are poured into the pigment and stirred uniformly.
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