WO2023137832A1 - 一种可回收全塑自锁泵 - Google Patents

一种可回收全塑自锁泵 Download PDF

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Publication number
WO2023137832A1
WO2023137832A1 PCT/CN2022/078697 CN2022078697W WO2023137832A1 WO 2023137832 A1 WO2023137832 A1 WO 2023137832A1 CN 2022078697 W CN2022078697 W CN 2022078697W WO 2023137832 A1 WO2023137832 A1 WO 2023137832A1
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Prior art keywords
pump
locking
recyclable
rod
suction
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PCT/CN2022/078697
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English (en)
French (fr)
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梁配辉
朱茂勇
张永雷
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中山市美捷时包装制品有限公司
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Publication of WO2023137832A1 publication Critical patent/WO2023137832A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1052—Actuation means
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D55/00—Accessories for container closures not otherwise provided for
    • B65D55/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging

Definitions

  • the invention relates to a recyclable all-plastic self-locking pump, in particular to a recyclable all-plastic self-locking lotion pump.
  • the lotion pump is also called the push-type lotion pump. It is a liquid dispenser that uses the principle of atmospheric balance to pump out the liquid in the bottle by pressing and replenish the outside atmosphere into the bottle. Because of its intricate design and convenient use, the lotion pump has been widely used in daily chemical and pharmaceutical industries.
  • the existing lotion pumps contain metal springs and glass beads, which need to be disassembled during recycling, which is troublesome.
  • plastic materials generally containing at least three or more materials such as PP, PE, POM or TPEE, which cannot meet the European high-efficiency recycling standards.
  • the purpose of the present invention is to overcome the deficiencies of the prior art, and provide a recyclable all-plastic self-locking pump that is simple in structure, low in cost, stable and uniform in output, made of recyclable ⁇ 10% PE+ ⁇ 90% PP, can realize high-efficiency recovery, is energy-saving and environmentally friendly, and meets European high-efficiency recovery standards.
  • a recyclable all-plastic self-locking pump is characterized in that it includes a pump body, the pump body is provided with a pump chamber for liquid inlet at the bottom, a bottle cap is fixed on the pump body, a suction assembly that can move up and down inside the pump chamber to extract the liquid in the bottle upwards, the suction assembly includes a pump rod; the upper end of the pump rod is connected with a curved mouth that can drive the suction assembly to work, and the curved mouth is provided with a liquid outlet channel, and the pump chamber is provided with a locking cover that can prevent the suction assembly from leaving the pump chamber. There is a locking mechanism between the rod and the locking cover that can prevent the curved nozzle from moving downward when the curved nozzle stays in the locked position.
  • the outer wall of the pump rod between the tight cover and the elbow is provided with a plastic ring which can reset the suction assembly after the suction assembly is pressed down, and a vertical opening is provided on the side of the plastic ring.
  • a recyclable all-plastic self-locking pump as described above is characterized in that the pump rod is provided with a suction channel, and the upper part of the suction channel communicates with the liquid outlet channel.
  • the control valve includes a suction channel arranged at the lower part of the pump rod and the liquid inlet of the pump chamber.
  • the outer side of the pump rod is provided with a suction plug that can slide relative to it and seal the liquid inlet. Conical sealing plug for the conical part.
  • a recyclable all-plastic self-locking pump as described above is characterized in that the curved mouth includes a lower connecting pipe and a horizontal pipe, a conical upper protrusion is arranged on the top of the lower connecting pipe, an inner connecting pipe connected to the pump rod is provided inside the conical upper protrusion, an internal thread is provided on the wall of the inner connecting pipe, an external thread matching the internal thread is provided on the top of the pump rod, and the top of the inner connecting pipe communicates with the horizontal pipe.
  • a recyclable all-plastic self-locking pump as described above is characterized in that the locking mechanism includes an annular step on the inner wall of the pump for fixing the locking cover, a pair of vertical convex lines oppositely arranged on the outer wall of the pump rod, a locking cover hole for the pump rod to pass through, a pair of symmetrically arranged circular arc rings on the inner wall of the locking cover hole matching the pair of convex lines, and limit blocks on both sides of the circular arc ring.
  • a recyclable all-plastic self-locking pump as described above is characterized in that the pump body, locking bottle cap, pump rod, curved mouth, locking cap, suction assembly, one-way valve, and plastic ring are all injection molded from recyclable plastic materials.
  • a recyclable all-plastic self-locking pump as described above is characterized in that the driving structure includes an upper limit protrusion on the outer wall above the liquid inlet on the pump rod, and a lower limit protrusion ring on the outer wall below the liquid inlet on the pump rod.
  • a recyclable all-plastic self-locking pump as described above is characterized in that the one-way valve is a pump bead arranged at the lower end of the pump chamber.
  • the locking cap of the present invention is provided with a conical lower protrusion, and the curved mouth is provided with a conical upper protrusion to form a bidirectional conical guide, and the plastic ring with a vertical opening stretches elastically between the above-mentioned bidirectional conical protrusions, so that the plastic ring slides up and down more smoothly, and the liquid discharge is stable and even.
  • the pump body, locking bottle cap, pump tube, curved mouth, locking cap, suction assembly, one-way valve, and plastic ring parts of the present invention are all made of recyclable ⁇ 10% PE+ ⁇ 90% PP, which can realize efficient recycling; energy saving and environmental protection, meeting European efficient recycling standards.
  • Fig. 1 is a perspective view of the present invention
  • Fig. 2 is a sectional view of the present invention
  • Fig. 3 is the sectional view of another direction of the present invention.
  • Fig. 4 is a structural exploded view of the present invention.
  • Fig. 5 is a structural exploded view of the present invention.
  • Fig. 6 is the structural diagram of the elbow of the present invention.
  • Fig. 7 is a structural diagram of a locking cover of the present invention.
  • Fig. 8 is a top view of the locking cap of the present invention.
  • a recyclable all-plastic self-locking pump is characterized in that it includes a pump body 1.
  • the pump body 1 is provided with a pump chamber 10 for liquid inlet at the bottom.
  • the pump body 1 is fixed with a lock bottle cap 2.
  • the pump chamber 10 is provided with a suction assembly 3 that can move up and down in the pump chamber to upwardly extract the liquid in the bottle.
  • the suction assembly 3 includes a pump rod 31; the upper end of the pump rod 31 is connected with a curved mouth 4 that can drive the suction assembly.
  • 10 is provided with a locking cover 5 that can prevent the suction assembly from leaving the pump chamber.
  • a locking mechanism that can prevent the elbow 4 from moving downward when the elbow 4 stays in the locked position is provided between the pump rod 31 and the locking cover 5.
  • a ventilation port 11 is provided below the locking cover on the wall of the pump chamber 10.
  • the lower end of the pump chamber 10 is provided with a one-way valve 12 that only allows the liquid in the bottle to discharge upward when the suction assembly moves.
  • Valve, the locking cover 5 is provided with a conical lower protrusion 51 with a small top and a large bottom
  • the curved mouth 4 is provided with a conical upper protrusion 42 with a large top and a small bottom.
  • the outer wall of the pump rod 31 between the locking cover 5 and the curved mouth 4 is provided with a plastic ring 6 that can reset the suction assembly after the suction assembly is pressed down, and the side of the plastic ring 6 is provided with a vertical opening 61.
  • the locking cap 5 of the present invention is provided with a conical lower protrusion 51, and the curved mouth 4 is provided with a conical upper protrusion 42 to form a bidirectional conical guide, and the plastic ring 6 provided with a vertical opening 61 stretches elastically between the above-mentioned bidirectional conical protrusions, so that the plastic ring 6 slides up and down more smoothly, and the liquid discharge is stable and even.
  • the pump body 1, bottle lock cap 5, pump tube 31, curved nozzle 4, locking cap 5, suction assembly 3, one-way valve 12, and plastic ring 6 of the present invention are all injection molded from recyclable plastic materials, preferably the entire product is made of ⁇ 10% PE+ ⁇ 90% PP, which can realize efficient recycling; energy saving and environmental protection, meeting European efficient recycling standards.
  • the present invention is that the pump rod 31 is provided with a suction channel 32, the upper part of the suction channel 32 communicates with the liquid outlet channel 41, and the control valve includes a connection between the suction channel 32 and the liquid inlet 33 of the pump chamber 10 arranged at the bottom of the pump rod 31.
  • the outer side of the pump rod 31 is provided with a suction plug 34 that can slide relative to it and seal the liquid inlet.
  • the outer wall of the pump rod 31 is provided with a driving structure that can drive the suction plug to slide.
  • the conical part 101 of the pump rod 31 is provided with a conical sealing plug 37 which can be inserted into the conical part 101 .
  • the elbow 4 of the present invention includes a lower connecting pipe 43 and a horizontal pipe 44.
  • a conical upper protrusion 42 is arranged on the top of the lower connecting pipe 43.
  • An inner connecting pipe 45 connected to the pump rod is arranged in the upper conical protrusion 42.
  • An internal thread 46 is provided on the wall of the inner connecting pipe 45.
  • the top of the pump rod 31 is provided with an external thread 310 that cooperates with the internal thread 46.
  • the top of the internal connecting pipe 45 communicates with the horizontal pipe 44.
  • the locking mechanism of the present invention includes that the inner wall of the pump chamber 10 is provided with an annular step 13 for fixing the locking cover 5, and the outer wall of the pump rod 31 is provided with a pair of vertical protrusions 311 oppositely arranged.
  • the locking cover 5 is provided with a locking cover hole 52 for the pump rod to pass through.
  • the drive structure of the present invention includes an upper limit rib 35 on the outer wall above the liquid inlet 33 on the pump rod 31 , and a lower limit protrusion ring 36 on the outer wall below the liquid inlet 33 on the pump rod 31 .
  • the one-way valve 12 of the present invention is a pump ball arranged at the lower end of the pump chamber 10 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

一种可回收全塑自锁泵，其包括泵体（1），泵体设有泵室（10），泵体上固定有锁瓶盖（2），泵室内设置有能在其内上下移动的抽吸组件（3），泵室设置有能防止抽吸组件脱离泵室的锁紧盖（5），泵杆与锁紧盖之间设有锁定机构，泵室壁上锁紧盖的下方设有换气口（11），泵室的下端设有单向阀（12），抽吸组件下部设有控制阀，锁紧盖设有锥形下凸起（51），弯嘴设有锥形上凸起（42），锁紧盖与弯嘴之间的泵杆的外壁上设有塑料环形件（6），且塑料环形件的侧面设置有竖向开口（61）。设有竖向开口的塑料环形件在双向锥形凸起之间弹性伸缩，使得塑料环形件上下滑动更平稳，出液稳定均匀。

Description

一种可回收全塑自锁泵 【技术领域】
本发明涉及一种可回收全塑自锁泵，更具体地说是涉及一种可回收全塑自锁的乳液泵。
【背景技术】
乳液泵又叫做按压式乳液泵，是一种利用大气平衡的原理，通过按压将瓶内的料液泵出，并将外界的大气补入瓶内的一种液体分配器。乳液泵由于其设计精美，使用方便，已广泛地应用与日化和医药等行业。
但是现有的乳液泵含有金属弹簧及玻璃珠，回收时需要拆解，比较麻烦。而且使用的塑胶材料种类较多，一般含有PP、PE、POM或TPEE等至少三种以上的材料，无法满足欧洲高效回收标准。
【发明内容】
本发明的目的在于克服现有技术的不足之处，提供一种结构简单，成本低，出液稳定均匀，采用可回收的≤10％PE+≥90％PP制成，能够实现高效回收；节能环保，满足欧洲高效回收标准的可回收全塑自锁泵。
本发明的目的是这样实现的：
一种可回收全塑自锁泵，其特征在于其包括泵体，所述的泵体设置有下部进液的泵室，所述泵体上固定有锁瓶盖，所述的泵室内 设置有能在其内上下移动而将瓶体内的液体向上抽出的抽吸组件，抽吸组件包括泵杆；所述泵杆的上端连接有能驱动抽吸组件工作的弯嘴，弯嘴设有出液通道，所述泵室设置有能防止抽吸组件脱离泵室的锁紧盖，所述的泵杆与锁紧盖之间设有当弯嘴停留在锁定位时能阻止弯嘴向下移动的锁定机构，所述泵室壁上锁紧盖的下方设有换气口，所述泵室的下端设置有在抽吸组件运动时仅供瓶体内的液体向上排出的单向阀，抽吸组件下部设有能控制泵室内的液体从出液通道喷出的控制阀，所述锁紧盖设有上小下大的锥形下凸起，所述的弯嘴设有上大下小的锥形上凸起，所述锁紧盖与弯嘴之间的泵杆的外壁上设有能在抽吸组件下压后能使抽吸组件复位的塑料环形件，且塑料环形件的侧面设置有竖向开口。
如上所述的一种可回收全塑自锁泵，其特征在于泵杆设有抽吸通道，抽吸通道上部与出液通道相通，控制阀包括设置在泵杆的下部的连通抽吸通道与泵室的进液口，所述泵杆的外侧套设有能相对其滑动并能密封进液口的吸塞，泵杆外壁设有可带动吸塞滑动的驱动结构，泵室下部设有能限位吸塞但能供泵杆下部***的锥形部，泵杆的底部设有可***锥形部的锥形密封塞。
如上所述的一种可回收全塑自锁泵，其特征在于弯嘴包括下连接管和横管，锥形上凸起设置在下连接管内的顶部，锥形上凸起内设有与泵杆连接的内连接管，内连接管壁设内螺纹，泵杆顶部设有与内螺纹配合的外螺纹，内连接管顶部与横管相通。
如上所述的一种可回收全塑自锁泵，其特征在于锁定机构包括在泵室内壁设有用于固定锁紧盖的环形台阶，泵杆外壁设有相对设置的一对竖向凸条，所述的锁紧盖设有供泵杆穿过的锁紧盖孔，锁紧盖孔内壁设有与该对凸条配合的一对对称设置的圆弧环，圆弧环的两侧设有限位块。
如上所述的一种可回收全塑自锁泵，其特征在于所述的泵体，锁瓶盖，泵杆，弯嘴，锁紧盖，抽吸组件，单向阀，塑料环形件均为可回收塑料材料注塑成型。
如上所述的一种可回收全塑自锁泵，其特征在于驱动结构包括在泵杆上位于进液口的上方外壁设置有上限位凸筋，所述的泵杆上位于进液口的下方外壁设置有下限位凸环。
如上所述的一种可回收全塑自锁泵，其特征在于所述的单向阀为设置在泵室下端的泵珠。
本发明的有益效果是：
1.本发明的锁紧盖设有锥形下凸起，所述的弯嘴设有锥形上凸起，形成双向锥形导向，设有竖向开口的塑料环形件在上述双向锥形凸起之间弹性伸缩，使塑料环形件上下滑动更平稳，出液稳定均匀。
2.本发明的泵体，锁瓶盖，泵管，弯嘴，锁紧盖，抽吸组件，单向阀，塑料环形件均为可回收的≤10％PE+≥90％PP制成，能够实现高效回收；节能环保，满足欧洲高效回收标准。
【附图说明】
图1是本发明的立体图；
图2是本发明的剖视图；
图3是本发明的另一个方向的剖视图；
图4是本发明的结构***图；
图5是本发明的结构***图；
图6是本发明的弯嘴的结构图；
图7是本发明的锁紧盖的结构图；
图8是本发明的锁紧盖的俯视图。
【具体实施方式】
下面结合附图对本发明作进一步说明：
一种可回收全塑自锁泵，其特征在于其包括泵体1，所述的泵体1设置有下部进液的泵室10，所述泵体1上固定有锁瓶盖2，所述的泵室10内设置有能在其内上下移动而将瓶体内的液体向上抽出的抽吸组件3，抽吸组件3包括泵杆31；所述泵杆31的上端连接有能驱动抽吸组件工作的弯嘴4，弯嘴4设有出液通道41，所述泵室10设置有能防止抽吸组件脱离泵室的锁紧盖5，所述的泵杆31与锁紧盖5之间设有当弯嘴4停留在锁定位时能阻止弯嘴4向下移动的锁定机构，所述泵室10壁上锁紧盖的下方设有换气口11，所述泵室10的下端设置有在抽吸组件运动时仅供瓶体内的液体向上排出的单向阀12，抽吸组件下部设有能控制泵室内的液体从出液通道41喷出的控制阀，所述锁紧盖5设有上小下大的锥形下凸起51，所述的弯嘴4设有上大下小的锥形上凸起42，所述锁紧盖5与弯嘴4之间的泵杆31 的外壁上设有能在抽吸组件下压后能使抽吸组件复位的塑料环形件6，且塑料环形件6的侧面设置有竖向开口61。本发明的锁紧盖5设有锥形下凸起51，所述的弯嘴4设有锥形上凸起42，形成双向锥形导向，设有竖向开口61的塑料环形件6在上述双向锥形凸起之间弹性伸缩，使塑料环形件6上下滑动更平稳，出液稳定均匀。
本发明的泵体1，锁瓶盖5，泵管31，弯嘴4，锁紧盖5，抽吸组件3，单向阀12，塑料环形件6均为可回收塑料材料注塑成型，最好是整个产品由≤10％PE+≥90％PP制成，能够实现高效回收；节能环保，满足欧洲高效回收标准。
本发明在于泵杆31设有抽吸通道32，抽吸通道32上部与出液通道41相通，控制阀包括设置在泵杆31的下部的连通抽吸通道32与泵室10的进液口33，所述泵杆31的外侧套设有能相对其滑动并能密封进液口的吸塞34，泵杆31外壁设有可带动吸塞滑动的驱动结构，泵室10下部设有能限位吸塞但能供泵杆下部***的锥形部101，泵杆31的底部设有可***锥形部101的锥形密封塞37。
本发明的弯嘴4包括下连接管43和横管44，锥形上凸起42设置在下连接管43内的顶部，锥形上凸起42内设有与泵杆连接的内连接管45，内连接管45壁设内螺纹46，泵杆31顶部设有与内螺纹46配合的外螺纹310，内连接管45顶部与横管44相通。
本发明的锁定机构包括在泵室10内壁设有用于固定锁紧盖5的环形台阶13，泵杆31外壁设有相对设置的一对竖向凸条311，所述的锁紧盖5设有供泵杆穿过的锁紧盖孔52，锁紧盖孔52内壁设有与 该对凸条配合的一对对称设置的圆弧环53，圆弧环53的两侧设有限位块54。
本发明的驱动结构包括在泵杆31上位于进液口33的上方外壁设置有上限位凸筋35，所述的泵杆31上位于进液口33的下方外壁设置有下限位凸环36。
本发明的单向阀12为设置在泵室10下端的泵珠。

Claims (7)

  1. 一种可回收全塑自锁泵，其特征在于其包括泵体(1)，所述的泵体(1)设置有下部进液的泵室(10)，所述泵体(1)上固定有锁瓶盖(2)，所述的泵室(10)内设置有能在其内上下移动而将瓶体内的液体向上抽出的抽吸组件(3)，抽吸组件(3)包括泵杆(31)；所述泵杆(31)的上端连接有能驱动抽吸组件工作的弯嘴(4)，弯嘴(4)设有出液通道(41)，所述泵室(10)设置有能防止抽吸组件脱离泵室的锁紧盖(5)，所述的泵杆(31)与锁紧盖(5)之间设有当弯嘴(4)停留在锁定位时能阻止弯嘴(4)向下移动的锁定机构，所述泵室(10)壁上锁紧盖的下方设有换气口(11)，所述泵室(10)的下端设置有在抽吸组件运动时仅供瓶体内的液体向上排出的单向阀(12)，抽吸组件下部设有能控制泵室内的液体从出液通道(41)喷出的控制阀，所述锁紧盖(5)设有上小下大的锥形下凸起(51)，所述的弯嘴(4)设有上大下小的锥形上凸起(42)，所述锁紧盖(5)与弯嘴(4)之间的泵杆(31)的外壁上设有能在抽吸组件下压后能使抽吸组件复位的塑料环形件(6)，且塑料环形件(6)的侧面设置有竖向开口(61)。
  2. 根据权利要求1所述的一种可回收全塑自锁泵，其特征在于泵杆(31)设有抽吸通道(32)，抽吸通道(32)上部与出液通道(41)相通，控制阀包括设置在泵杆(31)的下部的连通抽吸通道(32)与泵室(10)的进液口(33)，所述泵杆(31)的外侧套设有能相对其滑动并能密封进液口的吸塞(34)，泵杆(31)外壁设有可带动吸塞 滑动的驱动结构，泵室(10)下部设有能限位吸塞但能供泵杆下部***的锥形部(101)，泵杆(31)的底部设有可***锥形部(101)的锥形密封塞(37)。
  3. 根据权利要求1所述的一种可回收全塑自锁泵，其特征在于弯嘴(4)包括下连接管(43)和横管(44)，锥形上凸起(42)设置在下连接管(43)内的顶部，锥形上凸起(42)内设有与泵杆连接的内连接管(45)，内连接管(45)壁设内螺纹(46)，泵杆(31)顶部设有与内螺纹(46)配合的外螺纹(310)，内连接管(45)顶部与横管(44)相通。
  4. 根据权利要求1所述的一种可回收全塑自锁泵，其特征在于锁定机构包括在泵室(10)内壁设有用于固定锁紧盖(5)的环形台阶(13)，泵杆(31)外壁设有相对设置的一对竖向凸条(311)，所述的锁紧盖(5)设有供泵杆穿过的锁紧盖孔(52)，锁紧盖孔(52)内壁设有与该对凸条配合的一对对称设置的圆弧环(53)，圆弧环(53)的两侧设有限位块(54)。
  5. 根据权利要求1所述的一种可回收全塑自锁泵，其特征在于所述的泵体(1)，锁瓶盖(5)，泵杆(31)，弯嘴(4)，锁紧盖(5)，抽吸组件(3)，单向阀(12)，塑料环形件(6)均为可回收塑料材料注塑成型。
  6. 根据权利要求1所述的一种可回收全塑自锁泵，其特征在于驱动结构包括在泵杆(31)上位于进液口(33)的上方外壁设置有上限位凸筋(35)，所述的泵杆(31)上位于进液口(33)的下方外 壁设置有下限位凸环(36)。
  7. 根据权利要求1所述的一种可回收全塑自锁泵，其特征在于所述的单向阀(12)为设置在泵室(10)下端的泵珠。
PCT/CN2022/078697 2022-01-18 2022-03-02 一种可回收全塑自锁泵 WO2023137832A1 (zh)

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