CN109335270B - Ultraviolet-proof and antistatic emulsion pump and preparation method thereof - Google Patents
Ultraviolet-proof and antistatic emulsion pump and preparation method thereof Download PDFInfo
- Publication number
- CN109335270B CN109335270B CN201810980493.8A CN201810980493A CN109335270B CN 109335270 B CN109335270 B CN 109335270B CN 201810980493 A CN201810980493 A CN 201810980493A CN 109335270 B CN109335270 B CN 109335270B
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- pump body
- ring
- piston
- connecting seat
- sleeve
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- 239000000839 emulsion Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 241000405070 Percophidae Species 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 239000011521 glass Substances 0.000 claims abstract description 24
- 239000002216 antistatic agent Substances 0.000 claims description 14
- 238000007142 ring opening reaction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 210000003205 muscle Anatomy 0.000 description 19
- 238000001035 drying Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 239000003963 antioxidant agent Substances 0.000 description 8
- 239000007822 coupling agent Substances 0.000 description 7
- 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
- 230000003078 antioxidant effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- -1 polybutylene succinate Polymers 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000000314 lubricant 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical group [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- 239000002667 nucleating agent Substances 0.000 description 4
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 238000007667 floating Methods 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 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
- 238000007789 sealing Methods 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 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
- 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
- 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
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004970 Chain extender Substances 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
- 230000009471 action Effects 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
- 230000007547 defect 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
- 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
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 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
- 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
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229940037312 stearamide Drugs 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012756 surface treatment 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
-
- 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
Landscapes
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention relates to an ultraviolet-proof antistatic emulsion pump and a preparation method thereof, which are designed for solving the technical problems that the liquid output amount of the existing similar products is smaller, the design of a connecting structure between a connecting seat and a pump body is poor, a valve rod is difficult to adjust according to requirements, and main parts lack ultraviolet-proof static materials for preparation and production. The technical scheme is that a spring sleeve is arranged at a liquid inlet hole at the bottom of the inner diameter of a pump body of the emulsion pump, a ferrule opening at one end of the spring sleeve is buckled and fixed on an inner ring groove at the bottom of the inner diameter of the pump body, a lower glass ball is arranged at the liquid inlet hole at the bottom of the inner diameter of the pump body, the lower glass ball is clamped and fixed between the liquid inlet hole of the pump body and a through hole rib baffle of the spring sleeve, a ball stroke gap is arranged between the through hole rib baffle of the spring sleeve and the lower glass ball, a long spring is arranged at the other end of a piston, one end of the long spring is propped against the ring groove at the bottom of the piston, and the long spring is propped against the spring sleeve and the piston; an upper glass ball is arranged at the sleeving part of the valve rod and the duckbill, and the upper glass ball is propped against the rod opening of the valve rod through a short spring at one side of the duckbill.
Description
Technical Field
The invention relates to an emulsion pump, in particular to an ultraviolet-proof and antistatic emulsion pump and a preparation method thereof.
Background
The emulsion pump is a container for extruding emulsion, and its working principle is similar to that of pump body products of miniature sprayer, etc.. Such emulsion pumps, such as the application number 201710249020.6 disclosed in the Chinese patent literature, the application publication date 2017.06.27, the invention name of which is a switch valve structure for emulsion pumps; the emulsion pump comprises a pump body, a suction pipe, a piston rod and a head cap, wherein the switch valve structure comprises a valve and a spring, the valve can be arranged at the position of a nozzle of the head cap in a left-right movable manner, the spring is supported at the rear end of the valve to enable the valve to have a trend of always closing the nozzle, a liquid storage cavity is arranged between the valve and the inner wall of the nozzle, and when the head cap is pressed to enable liquid in the liquid storage cavity to reach a certain pressure, the valve overcomes the elasticity of the spring to move backwards to open the nozzle. However, the valve rod stroke in the emulsion pump is shorter, and the emulsion pump is not a high-flow emulsion pump, wherein some emulsion pumps are high-flow emulsion pumps, and the high-flow emulsion pump is widely applied to the daily chemical packaging fields of hand sanitizers, restaurants and the like. But the flow of the existing similar large-flow emulsion pump is difficult to control through the valve rod stroke, poor dynamic sealing performance is caused by poor structural design of a piston, poor backflow effect of liquid and air is caused by poor structural design of a connecting seat, and the valve rod stroke is difficult to limit.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide the ultraviolet-proof antistatic emulsion pump and the preparation method thereof for the field, so that the technical problems that the liquid discharge amount of the existing like products is smaller, the liquid discharge working principle is limited to the sphere floating action at the suction pipe of the pump body, the connection structure design between the connection seat and the pump body is poor, the valve rod is difficult to adjust according to the requirement, and the main parts lack ultraviolet-proof antistatic materials for preparation and production are mainly solved. The aim is achieved by the following technical scheme.
The utility model provides an anti ultraviolet antistatic emulsion pump, the duckbill one end liquid outlet department of this emulsion pump is equipped with the nozzle, be equipped with the long liquid outlet passageway of large-traffic in the duckbill, the other end of duckbill is connected with the valve rod one end that stretches out the pump body and connecting seat, the lower major circle mouth internal thread of connecting seat is connected with the pump mouth external screw thread of the pump body, the valve rod other end in the pump body is connected with one end of piston, the inlet bottom of the pump body is equipped with the straw, the pump body is equipped with the skirt circle through pump mouth department external diameter, the major circle is fixed in between skirt circle and the connecting seat of the pump body, skirt circle below the pump body one side in the major circle is equipped with the through-hole, the relative major circle inner wall of through-hole is equipped with the major circle internal thread; the hydraulic pump is structurally designed and characterized in that a spring sleeve is arranged at a liquid inlet hole at the bottom of the inner diameter of the pump body, a ferrule opening at one end of the spring sleeve is buckled and fixed on an inner ring groove at the bottom of the inner diameter of the pump body, a lower glass ball is arranged at the liquid inlet hole at the bottom of the inner diameter of the pump body, the lower glass ball is clamped and fixed between the liquid inlet hole of the pump body and a through hole rib baffle of the spring sleeve, a ball stroke gap is arranged between the through hole rib baffle of the spring sleeve and the lower glass ball, a long spring is arranged at the other end of the piston, one end of the long spring abuts against the ring groove at the bottom of the piston, one end of a ferrule opening of the other end of the long spring abuts against the ferrule opening of the long spring, the other end of the spring sleeve is sleeved into the ring groove inner diameter central hole sleeve of the piston and is aligned and sleeved, a hollowed hole is arranged between the long spring and the through hole rib baffle of the spring sleeve, and the long spring keeps an abutting state; an upper glass ball is arranged at the sleeving part of the valve rod and the duckbill, and the upper glass ball is propped against the rod opening of the valve rod through a short spring at one side of the duckbill. Therefore, the piston of the emulsion pump is of a two-piece structure, namely the combination of the piston and the elastic sleeve can effectively increase the fit tightness between the piston and the elastic sleeve during pressing, the specific structure of the elastic sleeve ensures the flow guiding of liquid in the elastic sleeve and the floating of the lower glass ball, and the working principle of liquid outlet of the emulsion pump is realized by matching with the floating of the upper glass ball between the duckbill and the valve rod.
The internal diameter of the external thread of the pump opening of the pump body is provided with four buckling ribs which are symmetrically arranged in pairs, the inner wall ring of the internal thread of the large ring opening on the upper and lower sides of the connecting seat corresponding to the buckling ribs is provided with buckling grooves, each buckling groove is composed of six equally-spaced uniformly-distributed spacing ribs with conical pointed parts, the spacing ribs are connected with the inner wall ring of the connecting seat into a whole, the buckling ribs of the pump body are in interference buckling with the inner wall of the buckling grooves of the connecting seat, and the spacing ribs of the connecting seat are in interference buckling with the inner wall of the pump opening between the buckling ribs in the pump body. Therefore, the pump body and the connecting seat are designed to be strongly buckled, and the situation that the pump body and the connecting seat are loosened to influence the use in the normal production and use process is avoided.
The valve rod outer diameter above the piston in the pump body is provided with limiting ribs for controlling the valve rod to travel in the pump body, four limiting ribs of the valve rod are symmetrically arranged in pairs, the inner wall ring inner diameter of the buckling groove arranged on the connecting seat is provided with an inner ring sleeve, and when the valve rod is reset through a long spring, the limiting ribs of the valve rod are limited on the inner ring surface of the inner ring sleeve opening on the connecting seat. Therefore, the long spring in the pump body can work in the valve rod stroke of the valve rod, the piston, the long spring and the elastic sleeve can not be separated, and the valve rod can not excessively extend out of the pump body and the connecting seat during resetting. And plays a limiting role, and meets the requirements of different spraying amounts of clients by adjusting the height of the limiting ribs.
The interval muscle of connecting seat is L font, and interval muscle's one end stretches out the clearance between connecting seat inner wall circle and the intermediate ring to be less than the round face parallel and level of intermediate ring, the other end of interval muscle sets up in the clearance between inner wall circle and the intermediate ring, and the internal knot position muscle below inner wall of pump is equipped with first shrink chamfer, and the through-hole department pump body inner wall of first shrink chamfer below is equipped with the second shrink chamfer, and the inner wall circle length of connecting seat is higher than inner race cover, interval muscle, and the inner race cover length of connecting seat is higher than interval muscle, and the skirt portion of piston inserts the clearance between the inner wall circle of connecting seat and the pump body inner wall. When the piston is in a reset state along with the valve rod, the skirt part of the piston stretches above the second inward shrinking chamfer in the pump body, a gap between the inner wall ring of the connecting seat and the inner ring sleeve is a buffer cavity for overflow liquid and compressed air of the piston in the pump body, and the overflow liquid and the compressed air in the buffer cavity return to the bottle body through the through hole at the position of the pump body.
The outer diameter below the sleeve opening of the central hole sleeve of the piston is provided with an inner convex rib, the height of the central hole sleeve on one side of the inner convex rib is twice higher than that of the inner central sleeve of the skirt part of the piston on the side, the central sleeve on the other side of the piston is flush with the skirt part plane of the piston, the inner diameter of the rod hole of the piston end of the valve rod is provided with an inner concave rib, and the inner convex rib of the piston is buckled with the inner concave rib of the valve rod. Thereby ensuring the sealing of the joint between the piston and the valve rod.
The internal thread of the upper small ring mouth of the connecting seat is connected with the external thread at one end of the valve rod of the duckbill. The structure is convenient for the duckbill to be fixedly connected with the connecting seat when the duckbill is not in use.
The duckbill, the piston and/or the pump body are/is prepared from an ultraviolet-proof antistatic material, and the preparation method of the ultraviolet-proof antistatic material comprises the following steps: 100 parts by weight of a degradable polymer, wherein the degradable polymer comprises a plurality of polylactic acid, polybutylene succinate and polyhydroxyalkanoates; 3-5 parts of ultraviolet absorber; the content of the ultraviolet-proof antioxidant is 2-3 parts by weight; the ultraviolet-proof antioxidant comprises 1-2 parts by weight of graphene, wherein the ultraviolet-proof antioxidant comprises one or more of hindered phenol antioxidants or phosphite antioxidants; 1-2 parts by weight of an antistatic agent, wherein the antistatic agent is an HDC-102 antistatic agent or an HBS-510 antistatic agent; 0.1-1 part by weight of a coupling agent, wherein the coupling agent is an aluminum-titanium composite coupling agent, and 0.1-10 parts by weight of a nucleating agent, and the nucleating agent is a 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 and feasible preparation method of the ultraviolet-proof antistatic material; the device is suitable for being used as an emulsion pump for containing large flow 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 perspective view of the pump body of the present invention.
Fig. 3 is a schematic cross-sectional view of the pump body of the present invention.
Fig. 4 is a schematic perspective view of a piston according to the present invention.
Fig. 5 is a schematic cross-sectional view of the piston of the present invention.
Fig. 6 is a schematic perspective view of a valve stem according to the present invention.
FIG. 7 is a schematic cross-sectional view of a valve stem of the present invention.
Fig. 8 is a schematic perspective view of a connector according to the present invention.
Fig. 9 is a schematic sectional view of a connecting seat according to the present invention.
Figure number and name: 1. straw, 2, pump body, 201, detain the position muscle, 3, lower glass ball, 4, bullet cover, 5, long spring, 6, piston, 601, interior protruding muscle, 7, valve rod, 701, indent muscle, 702, spacing muscle, 8, major circle, 9, connecting seat, 901, inner circle face, 902, detain the position groove, 903, intermediate circle, 10, duckbill, 11, upper glass ball, 12, short spring, 13, nozzle.
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. 1-9, a nozzle 13 is arranged at a liquid outlet hole at one end of a duckbill 10 of the emulsion pump, a large-flow long liquid outlet hole channel is arranged in the duckbill, the other end of the duckbill is connected with one end of a valve rod 7 extending out of a pump body 2 and a connecting seat 9, an upper glass ball 11 is arranged at the joint of the valve rod and the duckbill, and the upper glass ball is propped against the rod mouth of the valve rod through a short spring 12 at one side of the duckbill. The lower large ring mouth internal thread of connecting seat and the pump mouth external screw thread connection of the pump body, the last small ring mouth internal thread of connecting seat and the valve rod one end external screw thread connection of duckbill, the valve rod other end in the pump body is connected with the one end of piston 6, the feed liquor hole bottom of the pump body is equipped with straw 1, the pump body is equipped with the skirt circle through pump mouth department external diameter, the skirt circle that the large circle 8 was fixed in the pump body is between the connecting seat, skirt circle below pump body one side in the large circle is equipped with the through-hole, the large circle inner wall that the through-hole is relative is equipped with the large circle internal thread. The bottom liquid inlet of the pump body internal diameter is equipped with bullet cover 4, the lasso mouth lock of bullet cover one end is fixed in the inner race groove of pump body internal diameter bottom, the internal diameter bottom liquid inlet of the pump body is equipped with down glass ball 3, down glass ball clamp is fixed in between the through-hole muscle baffle of the feed liquor hole of pump body and bullet cover, be equipped with ball stroke clearance between the through-hole muscle baffle of bullet cover and the lower glass ball, the other end of piston is equipped with long spring 5, the one end of long spring offsets with the round groove of piston bottom, the lasso mouth one end of long spring's the other end bullet cover offsets, the other end of bullet cover embolias the round groove internal diameter centre bore cover of piston and aligns the nest, the external diameter is equipped with the fretwork hole between the bullet cover through-hole muscle baffle of long spring department, long spring and bullet cover, the piston keeps the state of offing. The outer diameter below the sleeve opening of the central hole sleeve of the piston is provided with an inner convex rib 601, the height of the central hole sleeve on one side of the inner convex rib is twice higher than that of the inner central sleeve of the skirt part of the piston on the side, the central sleeve on the other side of the piston is flush with the skirt part plane of the piston, the inner diameter of the rod hole at the piston end of the valve rod is provided with an inner concave rib 701, and the inner convex rib of the piston is buckled with the inner concave rib of the valve rod. The outer diameter below the sleeve opening of the central hole sleeve of the piston is provided with an inner convex rib 601, the height of the central hole sleeve on one side of the inner convex rib is twice higher than that of the inner central sleeve of the skirt part of the piston on the side, the central sleeve on the other side of the piston is flush with the skirt part plane of the piston, the inner diameter of the rod hole at the piston end of the valve rod is provided with an inner concave rib 701, and the inner convex rib of the piston is buckled with the inner concave rib of the valve rod.
The concrete structure between the pump body and the connecting seat is as follows: the inside diameter of the external thread of the pump opening of the pump body is provided with four buckling ribs 201 which are symmetrically arranged in pairs, buckling grooves 902 are formed in the inner wall rings of the opposite sides of the internal threads of the upper and lower large ring openings of the connecting seat corresponding to the buckling ribs, the buckling grooves are formed by spacing ribs of six conical pointed parts which are evenly distributed at equal intervals, the spacing ribs are connected with the inner wall rings of the connecting seat into a whole, the buckling ribs of the pump body are in interference buckling with the inner walls of the buckling grooves of the connecting seat, and the spacing ribs of the connecting seat are in interference buckling with the inner walls of the pump opening between the buckling ribs in the pump body. The outside diameter of the valve rod above the piston in the pump body is provided with limiting ribs 702 for controlling the stroke of the valve rod in the pump body, the four limiting ribs of the valve rod are symmetrically arranged in pairs, the inner ring of the inner ring provided with a buckling groove 902 on the connecting seat is provided with an inner ring sleeve, and when the valve rod is reset through a long spring, the limiting ribs of the valve rod are limited on the inner ring surface 901 of the inner ring sleeve opening on the connecting seat. The interval muscle of connecting seat is the L font, the interval muscle one end stretches out the clearance between connecting seat inner wall circle and the intermediate ring 903 to be less than the round face parallel and level of intermediate ring, the other end of interval muscle sets up in the clearance between inner wall circle and the intermediate ring, the internal knot position muscle below inner wall of pump is equipped with first shrink chamfer, the through-hole department pump body inner wall of first shrink chamfer below is equipped with the second shrink chamfer, the inner wall circle length of connecting seat is higher than inner race cover, interval muscle, the inner race cover length of connecting seat is higher than the interval muscle, the skirt portion of piston inserts the clearance between inner wall circle and the pump body inner wall of connecting seat.
The duckbill, the piston and/or the pump body are made of an ultraviolet-proof and antistatic material, and the preparation method of the ultraviolet-proof and antistatic material 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, 0.5 g of graphene, 1 g of aluminum-titanium composite coupling agent and 1 g of HDC-102 antistatic agent. 2.5 g of acetyl tributyl citrate plasticizer, 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 42MPa and the heat distortion temperature was 90 ℃.
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, 0.5 g of graphene, 1 g of aluminum-titanium composite coupling agent and 1 g of HDC-102 antistatic agent. 0.25 g TMC-306 nucleator, 0.25 g maleic anhydride, 2.5 g acetyl tributyl citrate plasticizer, 1.25 g 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 45MPa, and the heat distortion temperature is 92 ℃.
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, 1.5 g of ultraviolet-proof antioxidant, 0.75 g of graphene, 1 g of aluminum-titanium composite coupling agent and 1 g of HDC-102 antistatic agent. 0.25 g maleic anhydride, 0.25 g TMC-306 nucleator, 2.5 g acetyl tributyl citrate plasticizer, 1.25 g 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: tensile strength 48MPa and heat distortion temperature 94 ℃.
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 summary, the piston of the emulsion pump has a two-piece structure, and compared with a one-piece piston in the market, the two-piece piston can more effectively increase the matched seal between the piston and the pump body, and avoid the phenomenon that similar products are easy to generate flooding in the use process. Compared with the traditional large-flow emulsion pump, the emulsion pump 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; the surface color degree is as original after long-time preservation or use; the parts are more firmly connected, the matching is accurate, the bending deformation resistance is enhanced, the oxidation resistance is enhanced, the dust-proof effect is obvious, and the portable anti-dust device is convenient for users to carry, store and use.
Claims (2)
1. A nozzle (13) is arranged at a liquid outlet hole at one end of a duckbill (10) of the emulsion pump, a large-flow long liquid outlet hole channel is arranged in the duckbill, the other end of the duckbill is connected with one end of a valve rod (7) extending out of a pump body (2) and a connecting seat (9), internal threads of a lower large ring opening of the connecting seat are connected with external threads of a pump opening of the pump body, the other end of the valve rod in the pump body is connected with one end of a piston (6), a suction pipe (1) is arranged at the bottom of a liquid inlet hole of the pump body, a skirt ring is arranged on the pump body through the outer diameter of the pump opening, a large ring (8) is fixed between the skirt ring of the pump body and the connecting seat, a through hole is arranged on one side of the pump body below the skirt ring in the large ring, and large ring internal threads opposite to the through hole are arranged on the inner wall of the large ring; the device is characterized in that a spring sleeve (4) is arranged at a liquid inlet hole at the bottom of the inner diameter of the pump body (2), a ferrule opening at one end of the spring sleeve is buckled and fixed on an inner ring groove at the bottom of the inner diameter of the pump body, a lower glass ball (3) is arranged at the liquid inlet hole at the bottom of the inner diameter of the pump body, the lower glass ball is clamped and fixed between the liquid inlet hole of the pump body and a through hole rib baffle of the spring sleeve, a ball travel gap is arranged between the through hole rib baffle of the spring sleeve and the lower glass ball, a long spring (5) is arranged at the other end of the piston (6), one end of the long spring abuts against the ring groove at the bottom of the piston, one end of the ferrule opening of the other end of the long spring abuts against the ferrule opening of the long spring, the other end of the spring sleeve is sleeved into the ring groove inner diameter central hole sleeve of the piston (6) and is aligned and sleeved, a hollowed hole is arranged between the long spring sleeve through hole rib baffle and the long spring keeps abutting state; an upper glass ball (11) is arranged at the sleeving part of the valve rod (7) and the duckbill (10), and the upper glass ball is propped against the rod mouth of the valve rod through a short spring (12) at one side of the duckbill; the inner diameter of the external thread of the pump opening of the pump body (2) is provided with four buckling ribs (201) which are symmetrically arranged in pairs, the inner thread of the large upper and lower ring openings of the connecting seat (9) corresponding to the buckling ribs is provided with buckling grooves (902) opposite to the inner wall ring of the other side, each buckling groove is composed of six spacing ribs of conical pointed parts which are uniformly distributed at equal intervals, the spacing ribs are connected with the inner wall ring of the connecting seat into a whole, the buckling ribs of the pump body are in interference buckling with the inner parts of the buckling grooves of the connecting seat, and the spacing ribs of the connecting seat are in interference buckling with the inner wall of the pump opening between the buckling ribs in the pump body; the outer diameter of a valve rod (7) above a piston (6) in the pump body (2) is provided with limit ribs (702) for controlling the valve rod to travel in the pump body, four limit ribs of the valve rod are symmetrically arranged in pairs, an inner ring sleeve is arranged on the inner wall ring inner diameter of a buckling groove (902) arranged on a connecting seat (9), when the valve rod is reset through a long spring (5), the limit ribs of the valve rod are limited on the inner ring surface (901) of an inner ring sleeve opening on the connecting seat, and the duckbill (10), the piston (6) and/or the pump body (2) are prepared by adopting ultraviolet-proof antistatic materials; the spacing rib of the connecting seat (9) is L-shaped, one end of the spacing rib extends out of a gap between an inner wall ring of the connecting seat and the middle ring (903) and is lower than the ring surface of the middle ring, the other end of the spacing rib is arranged in the gap between the inner wall ring and the middle ring, a first inward shrinking chamfer is arranged on the inner wall below the inner buckling rib (201) in the pump body (2), a second inward shrinking chamfer is arranged on the inner wall of the pump body at a through hole below the first inward shrinking chamfer, the length of the inner wall ring of the connecting seat is higher than that of the inner ring sleeve and the spacing rib, the length of the inner ring sleeve of the connecting seat is higher than that of the spacing rib, and the skirt part of the piston (6) is inserted into the gap between the inner wall ring of the connecting seat and the inner wall of the pump body; the outer diameter below the sleeve opening of the central hole sleeve of the piston (6) is provided with an inner convex rib (601), the height of the central hole sleeve on one side of the inner convex rib is twice higher than that of the inner central sleeve of the skirt part of the piston on the side, the central sleeve on the other side of the piston is flush with the skirt plane of the piston, the inner diameter of the rod hole of the piston end of the valve rod (7) is provided with an inner concave rib (701), and the inner convex rib of the piston is buckled with the inner concave rib of the valve rod.
2. The anti-ultraviolet anti-static emulsion pump according to claim 1, characterized in that the internal thread of the upper small ring mouth of the connecting seat (9) is connected with the external thread at one end of the valve rod (7) of the duckbill (10).
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| CN111114998A (en) * | 2019-12-30 | 2020-05-08 | 浙江正庄实业有限公司 | Antibacterial high-rigidity leakproof emulsion pump and material preparation method thereof |
| CN112402785B (en) * | 2020-11-20 | 2022-09-16 | 中国人民解放军总医院第一医学中心 | Backflow-preventing hemostatic agent propeller |
| CN116891068A (en) * | 2023-07-18 | 2023-10-17 | 宁波金雨科技实业有限公司 | a pump core |
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