CN109335269B - Ultraviolet-proof degradable oil pump and preparation method thereof - Google Patents
Ultraviolet-proof degradable oil pump and preparation method thereof Download PDFInfo
- Publication number
- CN109335269B CN109335269B CN201810980491.9A CN201810980491A CN109335269B CN 109335269 B CN109335269 B CN 109335269B CN 201810980491 A CN201810980491 A CN 201810980491A CN 109335269 B CN109335269 B CN 109335269B
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- ring
- valve rod
- pump body
- opening
- duckbill
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- 239000000463 material Substances 0.000 claims abstract description 12
- 230000003247 decreasing effect Effects 0.000 claims abstract description 3
- 238000007142 ring opening reaction Methods 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 11
- 241000587161 Gomphocarpus Species 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 210000003205 muscle Anatomy 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 14
- 238000001035 drying Methods 0.000 description 9
- 239000003963 antioxidant agent Substances 0.000 description 8
- 238000007731 hot pressing Methods 0.000 description 7
- 229920000747 poly(lactic acid) Polymers 0.000 description 7
- 239000004626 polylactic acid Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 230000003078 antioxidant effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- -1 polybutylene succinate Polymers 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 239000002667 nucleating agent Substances 0.000 description 5
- 239000004014 plasticizer Substances 0.000 description 5
- 229920002961 polybutylene succinate Polymers 0.000 description 5
- 239000004631 polybutylene succinate Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 4
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 description 3
- CEGOLXSVJUTHNZ-UHFFFAOYSA-K aluminium tristearate Chemical compound [Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CEGOLXSVJUTHNZ-UHFFFAOYSA-K 0.000 description 3
- 229940063655 aluminum stearate Drugs 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000005014 poly(hydroxyalkanoate) Substances 0.000 description 3
- 229920000903 polyhydroxyalkanoate Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 241000272525 Anas platyrhynchos Species 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Natural products OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229920006237 degradable polymer Polymers 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
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- 239000000126 substance Substances 0.000 description 2
- 239000004970 Chain extender Substances 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- GQIDSVPVVYHXAP-UHFFFAOYSA-N dihexyl decanedioate Chemical compound CCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCC GQIDSVPVVYHXAP-UHFFFAOYSA-N 0.000 description 1
- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 description 1
- HFVJRYILMUSLFV-UHFFFAOYSA-N dipropan-2-yl cyclohexane-1,2-dicarboxylate Chemical compound CC(C)OC(=O)C1CCCCC1C(=O)OC(C)C HFVJRYILMUSLFV-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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- 238000001746 injection moulding Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229940037312 stearamide Drugs 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
-
- 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
- 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
-
- 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
Landscapes
- Details Of Reciprocating Pumps (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to an ultraviolet-proof degradable oil pump and a preparation method thereof, which are designed for solving the technical problems that the design of a liquid leakage structure between a piston and a valve rod in the existing similar products is poor, and the automatic production is difficult to be suitable for between a pump body and a large ring, and the main parts lack of ultraviolet-proof degradable materials for preparation and production. The utility model provides a spring of oil pump, the spring groove lock is followed to the hole in the inner diameter bottom valve rod hole department of the inner skleeve of this oil pump, the spacing collar mouth one end external diameter duckbill of valve rod is equipped with long inner tube, spacing collar mouth one end spring limit of valve rod is located between the external diameter of the long inner tube of duckbill and valve rod, when duckbill pushes down the state, the long inner tube limit of duckbill is located the mouth internal diameter spacing groove of the inner skleeve other end of the large skleeve, the mouth plane of large skleeve is stretched out to the inner skleeve spacing groove of large skleeve, the outer sleeve of duckbill overlaps in the external diameter of large skleeve, the height of duckbill, long inner tube, short inner tube is progressively decreased in proper order, protruding muscle and the recess meshing of large circle in the outer skirt top circle face of the pump body.
Description
Technical Field
The invention relates to a miniature oil pump, in particular to an ultraviolet-proof degradable oil pump and a preparation method thereof.
Background
The miniature oil pump is one container with high density oil extruded, and has the working principle similar to emulsion pump, miniature sprayer and other pump products, and is mainly applied in daily chemical packing skin care product. However, the cleansing oil on the market has different contents of surfactants, is easy to diffuse, and can cause liquid leakage in the use process of a common oil pump, so that the service life of the product is influenced, and the cleansing oil has a certain influence on the health of human beings. For this reason, some existing similar products adopt an external spring structure, such as application number 201310571315.7 disclosed in Chinese patent literature, application publication date 2014.03.05, and the invention name of the external spring emulsion pump and a using method thereof; one end of a pump body of the emulsion pump is connected with a suction pipe, the other end of the pump body is connected with a large ring, and a valve needle, a piston and a valve rod are arranged in the pump body; the main point is that an extension sleeve extending towards two sides of the ring opening is arranged at the side ring opening of the large ring, a valve rod sleeve is arranged at the inner diameter of a piston port of the extension sleeve, a spring groove is arranged between the extension sleeve and the valve rod sleeve, and a spring abuts against a port outer diameter limiting rib edge at one end of the side of the valve rod, namely the side of the large ring; the outside diameter of the large ring suction pipe side extension sleeve is buckled with the concave-convex rib of the inside diameter of the pump opening of the pump body. The pin cap end of the valve needle is abutted against one end of the piston to be sealed, the needle rod of the valve needle penetrates through the piston to be inserted into the port at the other end of the valve rod, the tail end of the needle rod is buckled with the inner wall of the port of the valve rod, a water outlet groove is arranged at the buckling part, and the valve needle, the piston and the valve rod are connected into a whole; the inner diameter port of the suction pipe end of the pump body is provided with a plastic elastic sleeve. However, the sealing structure design of the product and the like is still poor, and the joint parts among the piston, the valve needle, the valve rod and the large ring are easy to leak liquid.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide an ultraviolet-proof degradable oil pump and a preparation method thereof for the field, so that the technical problems that the design of a liquid leakage structure between a piston and a valve rod in the existing similar products is poor, and the automatic production is difficult to be suitable for between a pump body and a large ring, and the main parts lack of ultraviolet-proof degradable materials for preparation and production are mainly solved. The aim is achieved by the following technical scheme.
An ultraviolet-proof degradable oil pump is characterized in that an outer skirt ring of a pump body end outer diameter pump opening of the oil pump is buckled with a ring groove at the top of an internal thread groove of a large ring, a gasket is arranged at the bottom of the outer skirt ring of the pump body, one end of an inner sleeve of the large ring is sleeved into the inner diameter of the pump opening of the outer skirt ring of the pump body, a long rod section of a valve rod is positioned in the inner sleeve of the large ring, a spring is arranged on the outer diameter of the long rod section of the valve rod, one end of the spring abuts against a rod opening outer diameter limit ring opening at one end of the valve rod, and the inner diameter of the limit ring opening of the valve rod is sleeved with a short inner cylinder of an oil outlet hole in a duckbill; the other end of the valve rod penetrates through the inner sleeve of the large ring and extends into the pump body, a piston in the pump body is fastened and fixed at one end of the valve rod in the pump body through a valve needle, the outer diameter of the skirt part of the piston is in interference abutment with the inner wall of the pump body, the needle head of the valve needle is fastened with the inner diameter center fastening hole of the valve rod, the nail head groove of the valve needle is fastened with the bottom groove opening of the piston, an elastic sleeve is arranged at the oil inlet hole at the bottom of the pump body, a suction pipe is arranged at the bottom of the oil inlet hole of the pump body, and a through hole is arranged at one side of the pump body at the piston; the utility model discloses a duck mouth, including the duck mouth, the inner sleeve of big circle, the spring groove lock is followed to the hole in the inner sleeve internal diameter bottom valve rod hole department of big circle, the spacing collar mouth one end external diameter duckbill of valve rod is equipped with long inner tube, spacing collar mouth one end spring limit of valve rod is located between the external diameter of the long inner tube of duckbill and valve rod, when duckbill pushes down the state, the long inner tube limit of duckbill is located the nozzle internal diameter spacing groove of the inner sleeve other end of big circle, the inner sleeve spacing groove of big circle stretches out the mouth plane of big circle, the outer sleeve of duckbill overlaps in the external diameter of big circle, the height of the outer sleeve of duckbill, long inner tube, short inner tube is decremented in proper order, the inner sleeve side of big circle is equipped with the top circle groove, the big circle department of embolia long inner tube is equipped with the inner ring mouth in the duckbill, inner ring mouth internal diameter is equipped with locking rotary groove, big circle mouth one side is equipped with the unblock little opening, big circle outer ring mouth that big circle unblock little opening department aligns is equipped with corresponding unblock big opening. So that the spring is limited and attached to the outer diameter of the valve rod, and the duckbill is in sealing sleeve fit with the valve rod and the large ring; meanwhile, the spring is of an external structure, and the oil pump can prevent liquid from directly contacting with the spring in the normal use process, so that the abnormality that the appearance and the function of the spring are affected and the liquid is polluted and deteriorated due to rust of the spring caused by chemical reaction between the formula components of the liquid and the material of the spring is avoided.
The piston is characterized in that outer ring ribs are respectively arranged at the upper end and the lower end of the outer diameter of the skirt part of the piston, an inner ring rib is arranged at the outer diameter orifice of the top of the central hole of the piston, the outer ring rib of the piston is in interference and propped against the inner wall of the pump body, the inner ring rib of the piston is in interference and propped against the inner diameter rod opening of the straight extension surface of the valve rod, the straight extension surface is a conical cavity, and the conical cavity between the outer diameter of the valve needle, the inner diameter of the valve rod and the inner ring rib of the piston in the straight extension surface of the valve rod is an inner ring rib stroke cavity of the piston. The piston structure in the structure further ensures that the outer ring rib of the piston is sealed with the sliding fit of the pump body, the inner ring rib of the piston is sealed with the sliding fit of the pump body, liquid leakage is prevented, and liquid is prevented from contacting with the spring.
The bottom ring surface of the outer skirt ring of the pump body is provided with a ring-shaped sealing ring, and the gasket is bonded with the sealing ring of the pump body. Therefore, the sealing ring of the pump body is tightly sealed with the gasket to prevent liquid leakage.
The top ring surface of the outer skirt ring of the pump body is provided with ring-shaped equidistant convex ribs, the top ring groove of the large ring is provided with ring-shaped equidistant grooves, and the convex ribs of the pump body are meshed with the grooves of the large ring. The structure prevents the pump body from loosening and turning during automatic assembly, and avoids the phenomenon that the duckbill is closed in place.
The duckbill, the piston and/or the pump body are/is prepared from an ultraviolet-proof degradable material, and the preparation method of the ultraviolet-proof degradable material is as follows: 100 parts by weight of a degradable polymer, wherein the degradable polymer comprises a plurality of polylactic acid, polybutylene succinate and polyhydroxyalkanoates; 2-5 parts of ultraviolet absorber; the content of the ultraviolet-proof antioxidant is 1-3 parts by weight; the ultraviolet-proof antioxidant comprises 1-2 parts by weight of active carbon, wherein the ultraviolet-proof antioxidant comprises one or more of hindered phenol antioxidants and phosphite antioxidants; 0.1-10 parts by weight of nucleating agent which is hydrazide compound; 1-3 parts by weight of maleic anhydride; 0.5-10 parts by weight of other auxiliary agents, wherein the other auxiliary agents comprise one or more of plasticizers, chain extenders and lubricants; the plasticizer comprises one or more of polyethylene glycol, diisopropyl 1, 2-cyclohexanedicarboxylate, di-n-hexyl sebacate, dibutyl maleate, dioctyl terephthalate, citric acid ester, aliphatic polyester or polyurethane; the lubricant comprises one or more of white oil, stearic acid or vinyl bis-stearamide.
The degradation polymer and the nucleating agent are respectively subjected to drying treatment, the drying treatment temperature is 60-100 ℃, the drying treatment time of the degradation polymer is 8-12 hours, the drying treatment temperature of the nucleating agent is 80-120 ℃, and the drying treatment time is 2-5 hours; after drying, the rest components are melt-blended, extruded at the head of a screw machine and molded in an injection molding mode; after molding, cleaning the surface treatment agent and the organic solvent at 80 ℃, and then carrying out water cooling, air drying and dehydration, blanking, homogenizing and vibrating and drying at 80 ℃ on the water area tank at 25 ℃ to obtain a final product.
The surface treating agent comprises a coupling agent component (NDZ 101) and an organic solvent component (one of chloroform, tetrahydrofuran or acetone), wherein the ratio of the two components is 5:80-95.
The invention has reasonable structural design, convenient use, long service life, good sealing property and stability, feasible automatic production and assembly and feasible preparation method of the ultraviolet-proof degradable material; the oil pump is suitable for being used as an oil pump for containing the oil and the structural improvement of similar products.
Drawings
Fig. 1 is a schematic cross-sectional view of the duckbill press state of the present invention, in which the arrow indicates the duckbill reset direction.
Fig. 2 is a schematic diagram of the pump body of the present invention.
Fig. 3 is a schematic diagram of a pump body according to the present invention.
Fig. 4 is a schematic view of the piston structure of the present invention.
Fig. 5 is a schematic view of a large circle structure of the present invention.
Fig. 6 is a schematic diagram of a large circle structure of the present invention.
Fig. 7 is a schematic view of a valve stem according to the present invention.
Fig. 8 is a schematic diagram of a valve stem according to the present invention.
Figure number and name: 1. straw, 2, pump body, 201, sealing washer, 202, protruding muscle, 3, bullet cover, 4, needle, 5, piston, 501, outer lane muscle, 502, inner lane muscle, 6, major circle, 601, recess, 602, internal thread groove, 603, inner skleeve, 7, gasket, 8, spring, 9, valve rod, 901, straight face, 10, duckbill.
Description of the embodiments
The construction and use of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-8, an outer skirt ring of a pump body 2 of the oil pump is buckled with a ring groove at the top of an internal thread groove 602 of a large ring 6, a gasket 7 is arranged at the bottom of the outer skirt ring of the pump body, one end of an inner sleeve 603 of the large ring is sleeved into the inner diameter of the pump opening of the outer skirt ring of the pump body, a long rod section of a valve rod 9 is positioned in an inner sleeve of the large ring, a spring 8 is arranged on the outer diameter of the long rod section of the valve rod, one end of the spring abuts against a rod opening outer diameter limit ring opening at one end of the valve rod, and the inner diameter of the limit ring opening of the valve rod is sleeved with a short inner cylinder of an oil outlet of a duckbill 10. The other end of the valve rod penetrates through the inner sleeve of the large ring and stretches into the pump body, a piston 5 in the pump body is fastened and fixed at one end of the valve rod in the pump body through a valve needle 4, the outer diameter of the skirt portion of the piston is abutted against the inner wall of the pump body in an interference mode, the needle head of the valve needle is fastened with the inner diameter center fastening hole of the valve rod, the nail head groove of the valve needle is fastened with the bottom groove opening of the piston, an oil inlet hole in the bottom of the pump body is provided with an elastic sleeve 3, the bottom of the oil inlet hole of the pump body is provided with a suction pipe 1, and one side of the pump body at the piston is provided with a through hole.
The concrete structure is as follows: the other end of the spring is buckled with a hole at the bottom valve rod hole of the inner diameter of the large ring along a spring groove, a long inner cylinder is arranged on the duckbill at one end of the limit ring opening of the valve rod, the spring at one end of the limit ring opening of the valve rod is limited between the long inner cylinder of the duckbill and the outer diameter of the valve rod, when the duckbill is in a downward pressing state, the long inner cylinder of the duckbill is limited to be positioned in a cylinder opening inner diameter limit groove at the other end of the inner sleeve of the large ring, the inner sleeve limit groove of the large ring extends out of the ring opening plane of the large ring, the outer sleeve of the duckbill is sleeved on the outer diameter of the large ring, the heights of the outer sleeve, the long inner cylinder and the short inner cylinder of the duckbill are sequentially decreased, a top ring groove is arranged on one side of the ring surface of the inner sleeve of the large ring, an inner ring opening is arranged at the large ring opening sleeved in the long inner cylinder of the duckbill, the inner ring opening inner diameter is provided with a locking rotary groove, one side of the inner ring opening of the large ring opening is provided with a small unlocking opening, and the large ring outer ring opening aligned with the large opening is provided with a corresponding unlocking large opening. The outer ring ribs 501 are respectively arranged at the upper end and the lower end of the outer diameter of the skirt part of the piston, the inner ring ribs 502 are arranged at the outer diameter orifice of the top of the central hole of the piston, the outer ring ribs of the piston are in interference and offset with the inner wall of the pump body, the inner ring ribs of the piston are in interference and offset with the inner diameter rod orifice of the straight extension surface 901 of the valve rod, the straight extension surface is a conical cavity, and the conical cavity between the outer diameter of the valve needle, the inner diameter of the valve rod and the inner ring ribs of the piston is an inner ring rib stroke cavity of the piston. The ring-shaped sealing ring 201 is arranged on the bottom ring surface of the outer skirt ring of the pump body, and the gasket is adhered with the sealing ring of the pump body. The top ring surface of the outer skirt ring of the pump body is provided with ring-shaped equidistant ribs 202, the top ring groove of the large ring is provided with ring-shaped equidistant grooves 601, and the ribs of the pump body are meshed with the grooves of the large ring.
The duckbill, the piston and/or the pump body are made of ultraviolet-proof degradable materials, and the preparation method of the ultraviolet-proof degradable materials is as follows:
examples
The raw materials and the dosage are respectively as follows: 50 g of polylactic acid, 2 g of ultraviolet absorber, 1 g of ultraviolet antioxidant, 0.75 g of activated carbon, 2.5 g of acetyl tributyl citrate plasticizer and 1.25 g of lubricant aluminum stearate. Polylactic acid is dried in a vacuum oven at 80 ℃ for 12 hours; the TMC-300 nucleator was dried in a vacuum oven at 80℃for 2 hours. And then the raw materials are evenly mixed and then added into an internal mixer for melt mixing, the temperatures of the three parts of the internal mixer are 190 ℃,195 ℃ and 190 ℃, the rotating speed is 40rmp, and the internal mixing time is 10 minutes. After extruding at the head of the screw machine, carrying out hot press molding on the melted and mixed resin in a mold, and preheating for 5 minutes; the hot pressing temperature of the upper die and the lower die is 190 ℃ and the pressure is 10MPa; the hot pressing time was 5 minutes. Properties of the finished product obtained: the tensile strength was 45MPa and the heat distortion temperature was 80 ℃.
Examples
The raw materials and the dosage are respectively as follows: 25 g of polybutylene succinate, 25 g of polylactic acid, 1.5 g of ultraviolet absorber, 1 g of ultraviolet-proof antioxidant, 1 g of active carbon, 0.25 g of TMC-306 nucleating agent, 0.25 g of maleic anhydride, 2.5 g of acetyl tributyl citrate plasticizer and 1.25 g of lubricant aluminum stearate. Drying the polybutylene succinate and the polylactic acid in a vacuum oven at 80 ℃ for 12 hours; the TMC-306 nucleator was dried in a vacuum oven at 80℃for 2 hours. And then the raw materials are evenly mixed and then added into an internal mixer for melt mixing, the temperatures of the three parts of the internal mixer are 190 ℃,195 ℃ and 190 ℃, the rotating speed is 40rmp, and the internal mixing time is 10 minutes. After extruding at the head of the screw machine, carrying out hot press molding on the melted and mixed resin in a mold, and preheating for 5 minutes; the hot pressing temperature of the upper die and the lower die is 190 ℃, and the pressure is 10Mpa; the hot pressing time was 5 minutes. Properties of the finished product obtained: the tensile strength is 43MPa, and the heat distortion temperature is 83 ℃.
Examples
The raw materials and the dosage are respectively as follows: 20 g of polyhydroxyalkanoate, 15 g of polybutylene succinate, 25 g of polylactic acid, 2 g of ultraviolet absorber, 1 g of ultraviolet-proof antioxidant, 0.5 g of active carbon, 0.25 g of maleic anhydride, 0.25 g of TMC-306 nucleating agent, 2.5 g of acetyl tributyl citrate plasticizer and 1.25 g of lubricant aluminum stearate. Polyhydroxyalkanoate, polybutylene succinate and polylactic acid are dried in a vacuum oven at 80 ℃ for 12 hours; the TMC-306 nucleator was dried in a vacuum oven at 80℃for 2 hours. The raw materials are mixed uniformly and then added into an internal mixer for melt mixing, the temperatures of the three parts of the internal mixer are 190 ℃,195 ℃ and 190 ℃, the rotating speed is 40rmp, and the internal mixing time is 10 minutes. After extrusion at the head of the screw machine, the molten and mixed resin was hot-pressed in a mold and preheated for 5 minutes. The hot pressing temperature of the upper die and the lower die is 190 ℃ and the pressure is 10MPa. The hot pressing time was 5 minutes. Annealing at 110℃for 30 minutes after hot pressing. Properties of the finished product obtained: the tensile strength is 48MPa, and the heat distortion temperature is 84 ℃.
The finished products formed in the above examples 1-3 are washed by a surface treating agent at 80 ℃ and an organic solvent, and then subjected to water cooling, air drying and dehydration, blanking, homogenization and vibration and drying at 80 ℃ by a water area tank at 25 ℃ to obtain the final finished products.
In conclusion, the oil pump is mainly applied to daily chemical packaging skin care product cleansing oil products, is optimized from the aspects of structure and raw materials, and prevents liquid diffusion and leakage; the external spring structure prevents the spring from contacting with liquid, and avoids the abnormality of rust of the spring, influence on the appearance and function of the spring, pollution and deterioration of the liquid and the like caused by chemical reaction of the liquid and the spring material. The oil pump part prepared from the material is made of the ultraviolet-proof degradable material, and compared with a traditional oil pump, the oil pump part has the advantages of low production cost, bending resistance, deformation resistance, oxidation resistance, moderate selling price, reasonable design, long service life and suitability for market characteristics. Meanwhile, the plastic part of the oil pump is not easy to oxidize and age, and the surface color and luster degree is as original after long-time storage or use; the parts are more firmly connected, the matching is accurate, the bending deformation resistance is enhanced, the oxidation resistance is enhanced, and the carrying, the storage and the use of a user are convenient.
Claims (4)
1. An ultraviolet-proof degradable oil pump is characterized in that an outer skirt ring of an outer diameter pump opening at one end of a pump body (2) of the oil pump is buckled with a ring groove at the top of an inner thread groove (602) of a large ring (6), a gasket (7) is arranged at the bottom of the outer skirt ring of the pump body, one end of an inner sleeve (603) of the large ring is sleeved into the inner diameter of the outer skirt ring pump opening of the pump body, a long rod section of a valve rod (9) is positioned in the inner sleeve of the large ring, a spring (8) is arranged on the outer diameter of the long rod section of the valve rod, one end of the spring is propped against a limiting ring opening of the outer diameter of the rod opening at one end of the valve rod, and the inner diameter of the limiting ring opening of the valve rod is sleeved with a short inner cylinder of an oil outlet hole in a duckbill (10); the other end of the valve rod penetrates through the inner sleeve of the large ring and extends into the pump body, a piston (5) in the pump body is buckled and fixed at one end of the valve rod in the pump body through a valve needle (4), the outer diameter of the skirt part of the piston is in interference and propped against the inner wall of the pump body, the needle head of the valve needle is buckled with the inner diameter center buckling hole of the valve rod, the nail head groove of the valve needle is buckled with the bottom groove opening of the piston, an oil inlet hole at the bottom of the pump body is provided with a spring sleeve (3), the bottom of the oil inlet hole of the pump body is provided with a suction pipe (1), and one side of the pump body at the piston is provided with a through hole; the automatic unlocking device is characterized in that the other end of the spring (8) is buckled with a valve rod hole at the bottom of the inner diameter of an inner sleeve (603) of a large ring (6) along a spring groove, a long inner cylinder is arranged on a duckbill (10) at one end of a limit ring opening of a valve rod (9), the spring at one end of the limit ring opening of the valve rod is limited between the long inner cylinder of the duckbill and the outer diameter of the valve rod, when the duckbill is in a downward-pressing state, the long inner cylinder of the duckbill is limited in a cylinder opening inner diameter limit groove of the inner sleeve of the large ring, the inner sleeve limit groove of the large ring extends out of a ring opening plane of the large ring, an outer sleeve of the duckbill is sleeved on the outer diameter of the large ring, the heights of the outer sleeve, the long inner cylinder and the short inner cylinder of the duckbill are sequentially decreased, a top ring groove is arranged on one side of the inner sleeve of the large ring, an inner ring opening is arranged at the large ring opening of the large ring, a locking rotary groove is arranged at one side of the inner ring opening of the large ring, an unlocking small opening is arranged on one side of the large ring opening of the large ring, and a corresponding unlocking large opening is arranged at the opening of the large ring opening aligned at the unlocking small opening of the large opening; the duckbill, the piston and/or the pump body are made of ultraviolet-proof degradable materials.
2. The ultraviolet-proof degradable oil pump according to claim 1, characterized in that the upper end and the lower end of the skirt outer diameter of the piston (5) are respectively provided with an outer ring rib (501), the outer ring rib of the top outer diameter orifice of the central hole of the piston is provided with an inner ring rib (502), the outer ring rib of the piston is in interference and propped against the inner wall of the pump body (2), the inner ring rib of the piston is in interference and propped against the inner diameter rod orifice of the straight extension surface (901) of the valve rod (9), the straight extension surface is a conical cavity, and the outer diameter of the valve needle (4) in the straight extension surface of the valve rod, the inner diameter of the valve rod and the conical cavity between the inner ring ribs of the piston are inner ring rib stroke cavities of the piston.
3. The anti-ultraviolet degradable oil pump according to claim 1, characterized in that a ring-shaped sealing ring (201) is arranged on the bottom ring surface of the outer skirt ring of the pump body (2), and the gasket (7) is adhered with the sealing ring of the pump body.
4. The anti-ultraviolet degradable oil pump according to claim 1, characterized in that the top ring surface of the outer skirt ring of the pump body (2) is provided with ring-shaped equidistant distributed convex ribs (202), the top ring groove of the large ring (6) is provided with ring-shaped equidistant distributed grooves (601), and the convex ribs of the pump body are meshed with the grooves of the large ring.
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