WO2020147659A1 - 一种泵组件及具有内容物排出功能的容器 - Google Patents

一种泵组件及具有内容物排出功能的容器 Download PDF

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Publication number
WO2020147659A1
WO2020147659A1 PCT/CN2020/071433 CN2020071433W WO2020147659A1 WO 2020147659 A1 WO2020147659 A1 WO 2020147659A1 CN 2020071433 W CN2020071433 W CN 2020071433W WO 2020147659 A1 WO2020147659 A1 WO 2020147659A1
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WO
WIPO (PCT)
Prior art keywords
cavity
wall
piston
rod
rod body
Prior art date
Application number
PCT/CN2020/071433
Other languages
English (en)
French (fr)
Inventor
朱伟
Original Assignee
兴必盛塑业(南通)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 兴必盛塑业(南通)有限公司 filed Critical 兴必盛塑业(南通)有限公司
Priority to CA3124901A priority Critical patent/CA3124901C/en
Priority to KR1020217021738A priority patent/KR102652793B1/ko
Priority to BR112021013889-7A priority patent/BR112021013889A2/pt
Priority to AU2020209601A priority patent/AU2020209601B2/en
Priority to MX2021008477A priority patent/MX2021008477A/es
Priority to JP2021540855A priority patent/JP7253285B2/ja
Publication of WO2020147659A1 publication Critical patent/WO2020147659A1/zh

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Classifications

    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/30—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with plug valves, i.e. valves that open and close a passageway by turning a cylindrical or conical plug without axial passageways
    • 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
    • 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
    • B05B11/1038—Pressure accumulation pumps, i.e. pumps comprising a pressure accumulation chamber
    • 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
    • B05B11/0005—Components or details
    • B05B11/0078—Arrangements for separately storing several components
    • 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
    • B05B11/0005—Components or details
    • B05B11/0089—Dispensing tubes
    • 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
    • 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
    • B05B11/1042—Components or details
    • B05B11/1073—Springs
    • B05B11/1078—Vacuum chambers acting like springs
    • 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
    • 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
    • B65D2547/00—Closures with filling and discharging, or with discharging, devices
    • B65D2547/04—Closures with discharging devices other than pumps
    • B65D2547/06—Closures with discharging devices other than pumps with pouring spouts ot tubes; with discharge nozzles or passages
    • B65D2547/063—Details of spouts

Definitions

  • the invention relates to a pump assembly and a container with content discharge function.
  • Containers with content discharge function are often used in daily life, such as bottles containing cosmetics, shampoo, detergent, or medicines.
  • a container with content discharge function includes a container body, a pump assembly, a head cap and an extension tube.
  • the container body has a liquid filling port for adding content;
  • the pump assembly includes a pump body and a pressure rod.
  • the pump body is detachably inserted into the liquid filling port.
  • the pressure rod is installed on the pump body and the upper end protrudes from the pump.
  • the main body and the head cap are installed on the upper end of the pressure rod.
  • One end of the extension tube is connected to the pump body, and the other end extends below the liquid level of the content.
  • the head cap is used to be pressed by the user to drive the pressure rod to press down relative to the pump body, so that the contents stored in the pump body can be discharged from the pump body through the pressure rod and the channel inside the head cap.
  • the pressing rod needs to be rebounded so that the pressing rod is suitable for being pressed again, and during the rebounding process, the pressing rod can also drive the pump body to suck the contents in the container body through the extension tube.
  • a spring is provided in the main body of the pump, and the pressure rod compresses the spring during the downward pressing process. When the external force is removed, the spring can make the pressure rod rebound.
  • the spring is made of metal material
  • the parts of the pump assembly except the spring are made of plastic material, which brings difficulties to the recycling of the pump assembly as garbage.
  • the garbage recycling standards of most countries require plastics and metals to be recycled separately.
  • the springs are tightly installed inside the pump body and are not easy to take out.
  • the pump components in the prior art are not easy to recycle. Can be discarded as waste.
  • the object of the present invention is to provide a pump assembly, which has the advantage of being easy to recycle.
  • the object of the present invention is also to provide a container with a content discharge function, including the above-mentioned pump assembly.
  • the pump assembly for achieving the purpose is suitable to be installed on a container body and includes a pump body and a pressure rod; the pressure rod has a rod body and a piston part; the pump body has a first cavity;
  • the rod body is slidably inserted in the first cavity, and one end extends out of the first cavity; the piston part is connected to the rod body and is located in the first cavity , To separate a first air cavity and a second air cavity within the first cavity, wherein the first air cavity and/or the second air cavity are sealed cavities;
  • the rod body is used to be pressed to drive the piston part to stretch the first air chamber and compress the second air chamber; the piston part is used for the gas pressure and the pressure in the first air chamber The resultant force of the gas pressure in the second air cavity rebounds to drive the rod body to rebound, so that the rod body is suitable for being pressed again.
  • the first air cavity is a sealed cavity; the pump body further has an air guide passage, which communicates with the second air cavity; the second air cavity passes through the guide The gas channel discharges or inhales gas.
  • the pump body includes an outer shell and an inner shell
  • the outer shell surrounds the inner shell, the inner wall of the inner shell defines the first cavity, and the piston part is in sliding fit with the inner wall of the inner shell;
  • the inner shell is provided with A first relief hole, the first relief hole communicates with the first cavity;
  • the rod body is slidably penetrated in the first relief hole;
  • the outer wall of the inner casing is in surface contact with the inner wall of the outer casing, wherein the inner wall of the outer casing is recessed to form the air guide channel.
  • the inner housing has a top wall and a side wall, and the top wall and the side wall define the first cavity;
  • the piston part is in sliding fit with the inner wall of the side wall, and the outer wall of the side wall is in contact with the inner wall surface of the outer shell; the top wall has the first relief hole.
  • the pump body further includes a sealing ring and a gland; the sealing ring has an assembly hole, and the gland has a second relief hole;
  • the inner shell further has a ring wall, the ring wall is protrudingly disposed on the outer wall of the top wall and surrounds the first relief hole; the ring wall defines a receiving cavity, the receiving cavity and The first relief hole is connected;
  • the sealing ring is arranged in the accommodating cavity, and the assembling hole is matched with the shaft hole of the rod body; the rod body is slidably inserted in the second relief hole;
  • the gland is connected with the outer casing to press the sealing ring on the top wall so that the sealing ring seals the gap between the first relief hole and the rod body.
  • the pump body further includes a piston;
  • the outer shell has a first shell part and a second shell part;
  • the first shell part surrounds the inner shell, and the inner shell
  • the outer wall of the first housing part is in contact with the inner wall surface of the first housing part, and the inner wall of the first housing part is recessed to form the air guide channel;
  • the inner wall of the second housing part defines a second cavity ;
  • the piston is arranged in the second cavity and is slidingly fitted with the inner wall of the second housing part; the other end of the rod body extends into the second cavity; the rod body is used for driving The piston slides in the second cavity.
  • the pump body further includes a valve body; the second housing portion has an opening, and the opening is in communication with the second cavity; the valve body cover is provided on the opening to The second cavity is allowed to unidirectionally suck the contents in the container body through the opening.
  • the piston has a through hole, the rod body has a discharge channel, and the discharge channel penetrates the rod body;
  • the discharge channel is in communication with the through hole; the piston is used to press the content in the second cavity into the through hole, and discharge the second cavity through the discharge channel.
  • the pump body further includes a seat body having a drainage portion and a seat body portion, the drainage portion is connected with the rod body, and the seat body portion is disposed in the second cavity.
  • a seat body having a drainage portion and a seat body portion, the drainage portion is connected with the rod body, and the seat body portion is disposed in the second cavity.
  • the drainage part has a drainage channel, one end of the drainage channel is in communication with the discharge channel, and the other end is in communication with the through hole;
  • the piston is slidably disposed on the rod body, wherein the piston can slide on the rod body in a direction away from the seat body to separate from the seat body, so that the The through hole is opened; the piston can also slide on the rod body in a direction close to the seat body to abut against the seat body, so that the through hole is closed.
  • the container with the function of discharging contents for achieving the purpose includes a container body, the container further includes the pump assembly as described above, the pump assembly is installed on the container body and used to discharge the container body Contents.
  • the positive effect of the present invention is that the pump assembly provided by the present invention can rebound under the combined force of the gas pressure in the first air chamber and the gas pressure in the second air chamber to drive the rod body to return. Therefore, the pump body does not need to be provided with a spring for rebounding the rod body, so that the pump assembly can be made of plastic material without being mixed with metal materials, thereby making the pump assembly easy to recycle.
  • the container with content discharge function provided by the present invention includes the above-mentioned pump assembly.
  • Figures 1, 2, and 3 are the front view of the pump assembly, the sectional view in the A-A direction and the exploded view respectively;
  • Figures 4, 5, and 6 are respectively a schematic view, a front view and a cross-sectional view in the direction of B-B of the inner shell;
  • Figures 7, 8, and 9 are respectively a schematic view, a front view and a cross-sectional view in the direction of C-C of the outer casing;
  • Figure 10 is a schematic diagram of the sealing ring
  • Figures 11 and 12 are a schematic diagram and a cross-sectional view of the gland
  • Figures 13 and 14 are a front view and a cross-sectional view of the piston, respectively;
  • Figures 15 and 16 are a schematic diagram and a front view of the valve body respectively;
  • Figures 17, 18, and 19 are respectively a schematic view, a front view and a cross-sectional view in the D-D direction of the pressing rod;
  • Figures 20, 21, and 22 are respectively a schematic view, a front view and a cross-sectional view in the E-E direction of the seat body;
  • Figures 23A and 23B are respectively a front view and a cross-sectional view of the headgear
  • Figure 24A is a schematic diagram of the outer shell showing an air guide channel
  • Figure 24B is a top view of the outer housing, showing two air guide channels
  • Figure 24C is a sectional view of the outer shell and the inner shell after assembly
  • Figure 24D is an enlarged view at R in Figure 24C;
  • Figure 24E is an enlarged view of S in Figure 24C;
  • Figure 25 is a cross-sectional view of the pump assembly, wherein the pressure rod is in the initial position of the downward pressure
  • Figure 26 is an enlarged view of F in Figure 25;
  • Figure 27 is a cross-sectional view of the pump assembly, wherein the pressure rod is in the middle position of the downward pressure
  • Figure 28 is an enlarged view of G in Figure 27;
  • Figure 29 is a cross-sectional view of the pump assembly, in which the pressure rod is in the depressing end position
  • Figure 30 is an enlarged view of H in Figure 29;
  • Figure 31 is a cross-sectional view of the pump assembly, wherein the pressure rod is in the middle of the rebound position;
  • Figure 32 is an enlarged view of J in Figure 31;
  • Figure 33 is an enlarged view of K in Figure 31;
  • Fig. 34 is a schematic diagram of a container having a content discharge function.
  • the first feature described later in the specification is formed above or above the second feature, which may include an embodiment in which the first and second features are directly connected, or may be formed between the first and second features Additional features are implemented so that there may be no direct connection between the first and second features.
  • reference numerals and/or letters may be repeated in different examples in these disclosures. The repetition is for brevity and clarity, and does not indicate the relationship between the various embodiments and/or structures to be discussed.
  • first element when the first element is described in the manner of being connected or combined with the second element, the description includes the embodiment in which the first and second elements are directly connected or combined with each other, and also includes the use of one or more other intervening elements to join The first and second elements are indirectly connected or combined with each other.
  • FIGS. 1 to 34 are only examples, and they are not drawn according to the condition of equal proportions, and should not be used as a limitation to the protection scope of the present invention.
  • a container 900 with a content discharge function includes a container body 91, a pump assembly 90, a head cap 93 and an extension tube 92.
  • the container body 91 has a liquid filling port for adding the contents 800
  • the pump assembly 90 includes a pump body 1 and a pressure rod 2; the pump body 1 is detachably inserted in the liquid filling port; the pressure rod 2 is pressably installed in the pump On the main body 1, and the upper end protrudes from the pump main body 1; the head cap 93 is installed on the upper end of the pressure rod 2.
  • One end of the extension tube 92 is connected to the pump body 1, and the other end extends below the liquid level of the content 800.
  • the head cap 93 is used to be pressed by the user to drive the pressure rod 2 to press down relative to the pump body 1 so that the contents stored in the pump body 1 can be discharged from the pump body 1 through the pressure rod 2 and the channel inside the head cap 93.
  • the pressing rod 2 needs to be rebounded so that the pressing rod 2 is suitable for being pressed again, and the pressing rod 2 can also drive the pump body 1 to suck into the container through the extension tube 92 during the rebound process.
  • the contents 800 in the body 91 is used to be pressed by the user to drive the pressure rod 2 to press down relative to the pump body 1 so that the contents stored in the pump body 1 can be discharged from the pump body 1 through the pressure rod 2 and the channel inside the head cap 93.
  • the pressing rod 2 needs to be rebounded so that the pressing rod 2 is suitable for being pressed again, and the pressing rod 2 can also drive the pump body 1 to suck into the container through the extension tube 92 during the rebound process.
  • the pressure rod 2 has a rod body 20 and a piston part 21;
  • the pump body 1 has a first cavity 1a; 20 is slidably inserted in the first cavity 1a, and one end extends out of the first cavity 1a;
  • the piston part 21 is connected to the rod body 20 and is located in the first cavity 1a so as to be in the first cavity 1a
  • the first air cavity 12a and the second air cavity 12b are separated inside.
  • the first air cavity 12a and/or the second air cavity 12b are sealed cavities; the rod body 20 is used to be pressed to drive the piston part 21 to stretch the first air cavity.
  • the air cavity 12a compresses the second air cavity 12b; the piston part 21 is used to rebound under the combined force of the gas pressure in the first air cavity 12a and the gas pressure in the second air cavity 12b to drive the rod body 20 back Spring, so that the lever body 20 is suitable for being pressed again.
  • the process of pressing down and rebounding of the pressing rod 2 will be described in detail later.
  • Both the first air cavity 12a and the second air cavity 12b contain gas, such as air.
  • the rod body 20 drives the piston 21 to move in the first cavity 1a during the downward pressing process, so that the volume of the first air cavity 12a is increased (that is, the first air cavity 12a is stretched), and the volume of the second air cavity 12b is reduced. Small (ie compress the second air chamber 12b).
  • the first air cavity 12a and/or the second air cavity 12b are sealed cavities including three specific embodiments: that is, the first air cavity 12a and the second air cavity 12b are both sealed cavities; the first air cavity 12a is unsealed The second air cavity is a sealed cavity (for example, communicating with the atmosphere); the first air cavity 12a is a sealed cavity, and the second air cavity 12b is an unsealed cavity (for example, communicating with the atmosphere).
  • the gas pressure in the first air cavity 12a decreases, and the gas pressure in the second air cavity 12b increases, resulting in The gas pressure of is smaller than the gas pressure in the second gas chamber 12b, so that the piston part 21 can rebound under the combined force of the gas pressure in the first gas chamber 12a and the gas pressure in the second gas chamber 12b to drive the rod The body 20 rebounds.
  • neither the first air cavity 12a nor the second air cavity 12b has gas communication with the outside.
  • the pressure of the gas in the first air cavity 12a can remain unchanged, and can always be equal to the atmospheric pressure.
  • the gas pressure in the second air cavity 12b The increase causes the gas pressure in the first gas chamber 12a to be less than the gas pressure in the second gas chamber 12b, so that the piston part 21 can be adjusted between the gas pressure in the first gas chamber 12a and the gas pressure in the second gas chamber 12b.
  • the lever body 20 rebounds to drive the lever body 20 to rebound.
  • the first air cavity 12a has gas communication with the outside
  • the second gas cavity 12b does not have gas communication with the outside.
  • the pressure of the gas in the first air cavity 12a decreases, and the pressure of the gas in the second air cavity 12b can remain unchanged, and can always be equal to the atmosphere.
  • the pressure causes the gas pressure in the first gas chamber 12a to be less than the gas pressure in the second gas chamber 12b, so that the piston part 21 can be at the pressure of the gas in the first gas chamber 12a and the gas pressure in the second gas chamber 12b
  • the lever body 20 rebounds to drive the lever body 20 to rebound.
  • the lever body 20 can be easily pressed down into place, which can improve the user's experience.
  • the second gas cavity 12b has gas communication with the outside, and the first gas cavity 12a does not have gas communication with the outside.
  • the pump body 1 also has an air guiding channel 111a, which communicates with the second air cavity 12b; the second air cavity 12b is The passage 111a discharges or inhales gas.
  • the path through which the second air cavity 12b sucks in gas through the air guiding channel 111a is shown by the dotted arrow in FIGS. 24D and 24E.
  • the path of the second gas cavity 12b to discharge gas through the gas guiding channel 111a is opposite to the dotted arrow.
  • the air when the pressing rod 2 is pressed down, the air can be quickly and smoothly discharged from the second air cavity 12b, thereby reducing the resistance of pressing down.
  • the pressure rod 2 rebounds, the air can flow into the cavity 12b quickly and smoothly, so that the rebound is smoother.
  • the pump body 1 since the piston part 21 can rebound under the combined force of the gas pressure in the first air chamber 12a and the gas pressure in the second air chamber 12b to drive the rod body 20 to rebound, Therefore, the pump body 1 does not need to be provided with a spring for rebounding the rod body 20, so that the pump assembly 90 can be made entirely of plastic materials without being mixed with metal materials, thereby making the pump assembly 90 easy to recycle.
  • the pump body 1 includes an outer housing 11 and an inner housing 12; the outer housing 11 surrounds the inner housing 12, and the inner wall of the inner housing 12 defines the first cavity 1a,
  • the piston part 21 is slidingly fitted with the inner wall of the inner housing 12;
  • the inner housing 12 is provided with a first relief hole 121a, which communicates with the first cavity 1a;
  • the rod body 20 is slidably inserted in In the first relief hole 121a;
  • the outer wall of the inner shell 12 and the inner wall of the outer shell 11 are in surface-to-surface contact and fit, wherein the inner wall of the outer shell 11 is recessed to form an air guiding channel 111a.
  • the inner housing 12 has a top wall 121 and a side wall 122, the top wall 121 and the side wall 122 define a first cavity 1a; the piston part 21 is in sliding fit with the inner wall of the side wall 122, The outer wall of the side wall 122 is in contact with the inner wall surface of the outer shell 11; the top wall 121 has a first relief hole 121a.
  • This solution makes the inner casing 12 easy to install in the outer casing 11 without shaking.
  • the pump body 1 further includes a sealing ring 13 and a gland 14; the sealing ring 13 has an assembly hole 13a, the gland 14 has a second relief hole 14a; the inner casing 12 also has The ring wall 123 is protrudingly arranged on the outer wall of the top wall 121 and surrounds the first relief hole 121a; the ring wall 123 defines a receiving cavity 123a, and the receiving cavity 123a is in communication with the first relief hole 121a; 13 is arranged in the accommodating cavity 123a, the assembling hole 13a is matched with the shaft hole of the rod body 20; the rod body 20 is slidably inserted in the second clearance hole 14a; the gland 14 is connected to the outer housing 11 to connect the sealing ring 13 It is pressed against the top wall 121 so that the sealing ring 13 seals the gap between the first relief hole 121 a and the rod body 20.
  • This solution can improve the tightness and firmness of the pump body 1.
  • the pump body 1 further includes a piston 15;
  • the outer shell 11 has a first housing part 111 and a second housing part 112;
  • the first housing part 111 surrounds the inner Housing 12, the outer wall of the inner housing 12 is in contact with the inner wall surface of the first housing part 111, and the inner wall of the first housing part 111 is recessed to form an air guide passage 111a;
  • the inner wall of the second housing part 112 defines The second cavity 1b;
  • the piston 15 is arranged in the second cavity 1b and is slidingly fitted with the inner wall of the second housing portion 112; the other end of the rod body 20 extends into the second cavity 1b; the rod body 20 is used for driving
  • the piston 15 slides in the second cavity 1b.
  • the pump body 1 further includes a valve body 16; the second housing portion 112 has an opening 112a, and the opening 112a is in communication with the second cavity 1b; the valve body 16 is covered on the opening 112a to The second cavity 1b is allowed to unidirectionally suck the contents 800 in the container body 91 through the opening 112a.
  • the valve body 16 includes a tapered body 160 and a hook 161.
  • the tapered body 160 is arranged on one side of the opening 112a, and the hook 161 passes through the opening 112a and is caught on the other side of the opening 112a to prevent the valve body 16 from falling off the opening 112a.
  • the opening 112a has a tapered surface, and the tapered body 160 is matched with the tapered surface to achieve a one-way opening function of the opening 112a.
  • the piston 15 has a through hole 15a
  • the rod body 20 has a discharge channel 20a
  • the discharge channel 20a penetrates the rod body 20
  • the discharge channel 20a communicates with the through hole 15a
  • the piston 15 It is used to press the content 800 in the second cavity 1b into the through hole 15a and discharge the second cavity 1b through the discharge channel 20a.
  • This solution provides a way to discharge the contents 800 in the second cavity 1b.
  • the pump body 1 further includes a seat body 17 having a drainage portion 171 and a seat body portion 172.
  • the drainage portion 171 is connected to the rod body 20, and the seat body portion 172 is provided on the In the second cavity 1b;
  • the drainage portion 171 has a drainage channel 171a, one end of the drainage channel 171a is connected to the discharge channel 20a, and the other end is connected to the through hole 15a;
  • the piston 15 is slidably arranged on the rod body 20, wherein the piston 15 can Slide on the rod body 20 in a direction away from the seat body 172 to separate from the seat body 172, so that the through hole 15a is opened; the piston 15 can also slide on the rod body 20 in a direction close to the seat body 172, To abut against the seat portion 172, so that the through hole 15a is closed.
  • the end of the rod body 20 in contact with the piston 15 has a protrusion 201 and a limiting surface 202.
  • the limiting surface 202 is arranged around the convex column 201.
  • the inner wall of the boss 201 defines the entrance of the discharge channel 20 a, and the outer wall of the boss 201 is slidably fitted with the through hole 15 a of the piston 15.
  • the limiting surface 202 is used to abut against the piston 15 to limit the sliding of the piston 15 on the boss 201 in a direction away from the seat portion 172.
  • the seat portion 172 is used to abut against the piston 15 to limit the sliding of the piston 15 on the boss 201 in a direction close to the seat portion 172.
  • the specific structure of the headgear 93 is shown in FIGS. 23A and 23B.
  • the headgear 93 includes a cap body 930 and a connecting portion 931.
  • a distribution channel 93 a is formed inside the head cap 93, and the distribution channel 93 a penetrates the cap body 930 and the connecting portion 931.
  • the connecting portion 931 is connected to the pressing rod 2.
  • the distribution channel 93a communicates with the discharge channel 20a.
  • Figures 25, 26, 27, 28, 29, 30, 31, 32, and 34 show the process of pressing down and rebounding of the pressing rod 2.
  • first air cavity 12a as a sealed cavity
  • second air cavity 12b communicating with the atmosphere through the air guiding channel 111a
  • the process of pressing down and rebounding of the pressure rod 2 will be described.
  • the pressing rod 2 is in the initial position of pressing down.
  • the gas pressures in the first air chamber 12a and the second air chamber 12b may be equal, or both may be atmospheric pressure.
  • the content 800 or air is stored in the second cavity 1b, the piston 15 is separated from the limiting surface 202 and abuts against the seat portion 172, and the through hole 15a is in a closed state.
  • the tapered body 160 of the valve body 16 is matched with the tapered surface of the opening 112a, so that the opening 112a is in a closed state.
  • the pressing rod 2 receives an external force to start pressing down from the initial position of pressing down.
  • the pressing rod 2 is in the middle position of the downward pressing.
  • the pressure of the gas in the first gas chamber 12a begins to decrease
  • the pressure of the gas in the second gas chamber 12b is equal to the atmospheric pressure
  • a gas pressure difference is generated between the first gas chamber 12a and the second gas chamber 12b .
  • the piston 15 because the piston 15 is affected by the friction of the inner wall of the second housing portion 112, the piston 15 slides on the boss 201 in a direction away from the seat portion 172, and separates from the seat portion 172, so that The through hole 15a is opened.
  • the tapered body 160 of the valve body 16 is matched with the tapered surface of the opening 112a, so that the opening 112a is in a closed state.
  • the piston 15 When the piston 15 slides in the direction away from the seat portion 172 to abut against the limit surface 202, the piston 15 starts to be driven by the rod body 20 to move downwards to squeeze the contents 800 or air in the second cavity 1b . Since the through hole 15a is in an open state and the opening 112a is in a closed state, the content 800 or air in the second cavity 1b can sequentially pass through the through hole 15a, the drainage channel 171a, the discharge channel 20a, and the distribution channel 93a to exit the second cavity ⁇ 1b.
  • the discharge path of the content 800 or air in the second cavity 1b is shown by the dotted arrow L in FIG. 28.
  • the pressing rod 2 is at the end of the pressing down position.
  • the content 800 or air in the second cavity 1b has been discharged from the second cavity 1b to the maximum.
  • the pressure of the gas in the first gas chamber 12a is reduced to a minimum, and the gas pressure difference between the first gas chamber 12a and the second gas chamber 12b reaches a maximum.
  • the through hole 15a is still open, and the opening 112a is still closed.
  • the piston 21 can rebound under the combined force of the gas pressure in the first air chamber 12a and the gas pressure in the second air chamber 12b, driving the pressing rod 2 from the end position of the pressing down Began to rebound.
  • the pressing rod 2 is in the rebounding position.
  • the pressure of the gas in the first gas chamber 12a begins to increase
  • the pressure of the gas in the second gas chamber 12b is equal to atmospheric pressure
  • the first gas chamber 12a and the second gas chamber 12b still have gas pressure difference.
  • the piston 15 because the piston 15 is affected by the frictional force of the inner wall of the second housing portion 112, the piston 15 slides on the boss 201 in the direction close to the seat portion 172, separates from the limit surface 202 and separates from the seat.
  • the body 172 abuts, so that the through hole 15a is closed.
  • the tapered body 160 of the valve body 16 is separated from the opening 112a, so that the opening 112a is in an open state.
  • the piston 15 slides in a direction close to the seat portion 172 to abut against the seat portion 172, the piston 15 is driven by the seat portion 172 to move upward to increase the volume of the second cavity 1b. Since the through hole 15a is in a closed state and the opening 112a is in an open state, the content 800 or air in the container body 91 can be sucked into the second cavity 1b through the opening 112a. The path for the content 800 or air in the container body 91 to enter the second cavity 1b through the opening 112a is shown by the dotted arrow M in FIG. 33.
  • the pressing rod 2 can rebound to the initial position of the depression shown in FIGS. 25 and 26, so that the pressing rod 2 is suitable for being pressed again. During the multiple pressing and rebounding processes of the pressing rod 2, the content 800 or air in the container body 91 is discharged from the container body 91.

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

Abstract

一种泵组件及具有内容物排出功能的容器。泵组件（90）适于安装在容器本体上，包括泵主体（1）和压杆（2）；压杆（2）具有杆本体（20）和活塞部（21）；泵主体（1）具有第一腔体（1a）；杆本体（20）可滑动地穿设在第一腔体（1a）中，并且一端伸出第一腔体（1a）；活塞部（21）连接在杆本体（20）上，并位于第一腔体（1a）中，以在第一腔体（1a）内分隔出第一气腔（12a）和第二气腔（12b），其中，第一气腔（12a）和/或第二气腔（12b）为密封腔。由于活塞部（21）能够在第一气腔（12a）内的气体压力和第二气腔（12b）内的气体压力的合力的作用下回弹，以带动杆本体回弹，因此泵主体无需设置用来使杆本体回弹的弹簧，从而使得泵组件可以全部由塑料材质制成，不会混杂金属材料，进而使得泵组件易于回收利用。具有内容物排出功能的容器包括上述泵组件。

Description

一种泵组件及具有内容物排出功能的容器 技术领域
本发明涉及一种泵组件及具有内容物排出功能的容器。
背景技术
具有内容物排出功能的容器在日常生活中经常用到，例如装化妆品、洗发水、洗涤剂或药品等内容物的瓶子。这种具有内容物排出功能的容器包括容器本体、泵组件、头帽和延伸管。
容器本体具有用于添加内容物的加液口；泵组件包括泵主体和压杆，泵主体可拆卸地穿设在该加液口中，压杆安装在泵主体上，并且上端凸出于该泵主体，头帽安装在压杆的上端。延伸管的一端连接在泵主体上，另一端延伸至内容物的液面以下。
头帽用于被用户按压，以带动压杆相对于泵主体下压，从而使泵主体中存留的内容物能够经由压杆和头帽内部的通道排出该泵主体。压杆下压到位后，需要使压杆回弹，以使压杆适于被再次按压，并且压杆在回弹的过程中，还能够驱动泵主体通过延伸管吸入容器本体中的内容物。在现有技术中，泵主体内设置有弹簧，压杆在下压的过程中挤压弹簧，当撤去外力后，弹簧能够使压杆回弹。上述具有弹簧的泵组件的工作原理可参考专利文献CN105517914A中的记载。
在现有技术中，由于弹簧为金属材料制作，泵组件除弹簧之外的部分均为塑料材料制作，这对泵组件作为垃圾的回收利用带来了难题。大部分国家的垃圾回收标准要求塑料与金属分开回收，然而，当上述泵组件作为垃圾回收时，由于弹簧紧密安装在泵主体内部，不易取出，导致现有技术中的泵组件不易回收利用，只能当做废料丢弃。
发明内容
本发明的目的在于提供一种泵组件，该泵组件具有易于回收利用的优点。
本发明的目的还在于提供一种具有内容物排出功能的容器，包括上述泵组件。
为实现所述目的的泵组件，适于安装在容器本体上，包括泵主体和压杆；所 述压杆具有杆本体和活塞部；所述泵主体具有第一腔体；
所述杆本体可滑动地穿设在所述第一腔体中，并且一端伸出所述第一腔体；所述活塞部连接在所述杆本体上，并位于所述第一腔体中，以在所述第一腔体内分隔出第一气腔和第二气腔，其中，所述第一气腔和/或所述第二气腔为密封腔；
所述杆本体用于被按压而带动所述活塞部拉伸所述第一气腔并压缩所述第二气腔；所述活塞部用于在所述第一气腔内的气体压力和所述第二气腔内的气体压力的合力的作用下回弹，以带动所述杆本体回弹，从而使所述杆本体适于再次被按压。
在一个实施例中，所述第一气腔为密封腔；所述泵主体还具有导气通道，所述导气通道与所述第二气腔连通；所述第二气腔通过所述导气通道排出或者吸入气体。
在一个实施例中，所述泵主体包括外壳体和内壳体；
所述外壳体包围所述内壳体，所述内壳体的内壁限定出所述第一腔体，所述活塞部与所述内壳体的内壁滑动配合；所述内壳体上开设有第一让位孔，所述第一让位孔与所述第一腔体连通；所述杆本体可滑动地穿设在所述第一让位孔中；
所述内壳体的外壁与所述外壳体的内壁面面接触配合，其中，所述外壳体的内壁凹陷以形成所述导气通道。
在一个实施例中，所述内壳体具有顶壁和侧壁，所述顶壁和所述侧壁限定出所述第一腔体；
所述活塞部与所述侧壁的内壁滑动配合，所述侧壁的外壁与所述外壳体的内壁面面接触配合；所述顶壁具有所述第一让位孔。
在一个实施例中，所述泵主体还包括密封圈和压盖；所述密封圈具有装配孔，所述压盖具有第二让位孔；
所述内壳体还具有环壁，所述环壁凸出设置在所述顶壁的外壁上，并且环绕所述第一让位孔；所述环壁限定出容纳腔，所述容纳腔与所述第一让位孔连通；
所述密封圈设置在所述容纳腔中，所述装配孔与所述杆本体轴孔配合；所述杆本体可滑动地穿设在所述第二让位孔中；
所述压盖与所述外壳体连接，以将所述密封圈压紧在所述顶壁上，以使所述密封圈密封所述第一让位孔与所述杆本体之间的间隙。
在一个实施例中，所述泵主体还包括活塞；所述外壳体具有第一壳体部和第二壳体部；所述第一壳体部包围所述内壳体，所述内壳体的外壁与所述第一壳体部的内壁面面接触配合，所述第一壳体部的内壁凹陷以形成所述导气通道；所述第二壳体部的内壁限定出第二腔体；
所述活塞设置在所述第二腔体中，并与所述第二壳体部的内壁滑动配合；所述杆本体的另一端伸入所述第二腔体；所述杆本体用于驱动所述活塞在所述第二腔体内滑动。
在一个实施例中，所述泵主体还包括阀体；所述第二壳体部具有开口，所述开口与所述第二腔体连通；所述阀体盖设在所述开口上，以容许所述第二腔体通过所述开口单向吸入所述容器本体中的内容物。
在一个实施例中，所述活塞具有通孔，所述杆本体具有排出通道，所述排出通道贯穿所述杆本体；
所述排出通道与所述通孔连通；所述活塞用于将所述第二腔体中的内容物压入所述通孔，并经由所述排出通道排出所述第二腔体。
在一个实施例中，所述泵主体还包括座体，所述座体具有引流部和座体部，所述引流部与所述杆本体连接，所述座体部设置在所述第二腔体中；
所述引流部具有引流通道，所述引流通道的一端与所述排出通道连通，另一端与所述通孔连通；
所述活塞可滑动地设置在所述杆本体上，其中，所述活塞能够在所述杆本体上朝远离所述座体部的方向滑动，以与所述座体部分离，从而使所述通孔被打开；所述活塞还能够在所述杆本体上朝靠近所述座体部的方向滑动，以与所述座体部相抵，从而使所述通孔被关闭。
为实现所述目的的具有内容物排出功能的容器，包括容器本体，所述容器还包括如上所述的泵组件，所述泵组件安装在所述容器本体上，并用于排出所述容器本体中的内容物。
本发明的积极进步效果在于：本发明提供的泵组件，由于活塞部能够在第一气腔内的气体压力和第二气腔内的气体压力的合力的作用下回弹，以带动杆本体 回弹，因此泵主体无需设置用来使杆本体回弹的弹簧，从而使得泵组件可以全部由塑料材质制成，不会混杂金属材料，进而使得泵组件易于回收利用。本发明提供的具有内容物排出功能的容器，包括上述泵组件。
附图概述
本发明的上述的以及其他的特征、性质和优势将通过下面结合附图和实施例的描述而变得更加明显，其中：
图1、2、3分别为泵组件的主视图、A-A方向的剖视图和爆炸图；
图4、5、6分别为内壳体的示意图、主视图和B-B方向的剖视图；
图7、8、9分别为外壳体的示意图、主视图和C-C方向的剖视图；
图10为密封圈的示意图；
图11、12分别为压盖的示意图和剖视图；
图13、14分别为活塞的主视图和剖视图；
图15、16分别为阀体的示意图和主视图；
图17、18、19分别为压杆的示意图、主视图和D-D方向的剖视图；
图20、21、22分别为座体的示意图、主视图和E-E方向的剖视图；
图23A、23B分别为头帽的主视图和剖视图；
图24A为外壳体的示意图，显示了一条导气通道；
图24B为外壳体的俯视图，显示了两条导气通道；
图24C为外壳体和内壳体装配后的剖视图；
图24D为图24C中R处的放大图；
图24E为图24C中S处的放大图；
图25为泵组件的剖视图，其中，压杆处于下压初始位置；
图26为图25中F处的放大图；
图27为泵组件的剖视图，其中，压杆处于下压中间位置；
图28为图27中G处的放大图；
图29为泵组件的剖视图，其中，压杆处于下压结束位置；
图30为图29中H处的放大图；
图31为泵组件的剖视图，其中，压杆处于回弹中间位置；
图32为图31中J处的放大图；
图33为图31中K处的放大图；
图34为具有内容物排出功能的容器的示意图。
本发明的最佳实施方式
下面结合具体实施例和附图对本发明作进一步说明，在以下的描述中阐述了更多的细节以便于充分理解本发明，但是本发明显然能够以多种不同于此描述的其它方式来实施，本领域技术人员可以在不违背本发明内涵的情况下根据实际应用情况作类似推广、演绎，因此不应以此具体实施例的内容限制本发明的保护范围。
下述公开了多种不同的实施的主题技术方案的实施方式或者实施例。为简化公开内容，下面描述了各元件和排列的具体实例，当然，这些仅仅为例子而已，并非是对本发明的保护范围进行限制。例如在说明书中随后记载的第一特征在第二特征上方或者上面形成，可以包括第一和第二特征通过直接联系的方式形成的实施方式，也可包括在第一和第二特征之间形成附加特征的实施方式，从而第一和第二特征之间可以不直接联系。另外，这些公开内容中可能会在不同的例子中重复附图标记和/或字母。该重复是为了简要和清楚，其本身不表示要讨论的各实施方式和/或结构间的关系。进一步地，当第一元件是用与第二元件相连或结合的方式描述的，该说明包括第一和第二元件直接相连或彼此结合的实施方式，也包括采用一个或多个其他介入元件加入使第一和第二元件间接地相连或彼此结合。
需要注意的是，图1至图34均仅作为示例，其并非是按照等比例的条件绘制的，并且不应该以此作为对本发明实际要求的保护范围构成限制。
首先参考图34，具有内容物排出功能的容器900，包括容器本体91、泵组件90、头帽93和延伸管92。
容器本体91具有用于添加内容物800的加液口，泵组件90包括泵主体1和压杆2；泵主体1可拆卸地穿设在该加液口中；压杆2可按压地安装在泵主体1上，并且上端凸出于该泵主体1；头帽93安装在压杆2的上端。延伸管92的一端连接在泵主体1上，另一端延伸至内容物800的液面以下。
头帽93用于被用户按压，以带动压杆2相对于泵主体1下压，从而使泵主体1中存留的内容物能够经由压杆2和头帽93内部的通道排出该泵主体1。压杆2下压到位后，需要使压杆2回弹，以使压杆2适于被再次按压，并且压杆2在回弹的过 程中，还能够驱动泵主体1通过延伸管92吸入容器本体91中的内容物800。
为使压杆2回弹回弹，如图1、2、3所示，在一个实施例中，压杆2具有杆本体20和活塞部21；泵主体1具有第一腔体1a；杆本体20可滑动地穿设在第一腔体1a中，并且一端伸出第一腔体1a；活塞部21连接在杆本体20上，并位于第一腔体1a中，以在第一腔体1a内分隔出第一气腔12a和第二气腔12b，其中，第一气腔12a和/或第二气腔12b为密封腔；杆本体20用于被按压而带动活塞部21拉伸第一气腔12a并压缩第二气腔12b；活塞部21用于在第一气腔12a内的气体压力和第二气腔12b内的气体压力的合力的作用下回弹，以带动杆本体20回弹，从而使杆本体20适于再次被按压。压杆2的下压与回弹过程将在后文详细描述。
第一气腔12a和第二气腔12b均存在有气体，例如空气。杆本体20在下压过程带动活塞部21在第一腔体1a内运动，使第一气腔12a的体积增大(即拉伸第一气腔12a)，并使第二气腔12b的体积减小(即压缩第二气腔12b)。
第一气腔12a和/或第二气腔12b为密封腔包括三种具体的实施例：即第一气腔12a和第二气腔12b均为密封腔；第一气腔12a为未非密封腔(例如与大气连通)，第二气腔为密封腔；第一气腔12a为密封腔，第二气腔12b为未非密封腔(例如与大气连通)。
在上述的第一种实施例中，随着杆本体20的下压，第一气腔12a内的气体压力减小，第二气腔12b内的气体压力增大，导致第一气腔12a内的气体压力小于第二气腔12b内的气体压力，使得活塞部21能够在第一气腔12a内的气体压力和第二气腔12b内的气体压力的合力的作用下回弹，以带动杆本体20回弹。在本实施例中，第一气腔12a和第二气腔12b均不与外界发生气体交流。
在上述的第二种实施例中，随着杆本体20的下压，第一气腔12a内的气体的压力可以保持不变，可以始终等于大气的压力，第二气腔12b内的气体压力增大，导致第一气腔12a内的气体压力小于第二气腔12b内的气体压力，使得活塞部21能够在第一气腔12a内的气体压力和第二气腔12b内的气体压力的合力的作用下回弹，以带动杆本体20回弹。在本实施例中，第一气腔12a与外界发生气体交流，第二气腔12b不与外界发生气体交流。
在上述的第三种实施例中，随着杆本体20的下压，第一气腔12a内的气体的压力减小，第二气腔12b内的气体压力可以保持不变，可以始终等于大气的压 力，导致第一气腔12a内的气体压力小于第二气腔12b内的气体压力，使得活塞部21能够在第一气腔12a内的气体压力和第二气腔12b内的气体压力的合力的作用下回弹，以带动杆本体20回弹。在这个实施例中，杆本体20易于下压到位，能够提高用户的使用感受。在本实施例中，第二气腔12b与外界发生气体交流，第一气腔12a不与外界发生气体交流。在本实施例中，如图24A、24B、24C、24D、24E所示，泵主体1还具有导气通道111a，导气通道111a与第二气腔12b连通；第二气腔12b通过导气通道111a排出或者吸入气体。第二气腔12b通过导气通道111a吸入气体的路径为图24D、24E中的虚线箭头所示。第二气腔12b通过导气通道111a排出气体的路径与该虚线箭头相反。在该实施例中，当压杆2被按下时，空气能够快速通畅地排出第二气腔12b，从而减少下按的阻力。当压杆2回弹时，空气能够快速通畅地流入12b腔，从而使回弹更顺畅。
在上述的多个实施例中，由于活塞部21能够在第一气腔12a内的气体压力和第二气腔12b内的气体压力的合力的作用下回弹，以带动杆本体20回弹，因此泵主体1无需设置用来使杆本体20回弹的弹簧，从而使得泵组件90可以全部由塑料材质制成，不会混杂金属材料，进而使得泵组件90易于回收利用。
继续参考图2，在一个更具体的实施例中，泵主体1包括外壳体11和内壳体12；外壳体11包围内壳体12，内壳体12的内壁限定出第一腔体1a，活塞部21与内壳体12的内壁滑动配合；内壳体12上开设有第一让位孔121a，第一让位孔121a与第一腔体1a连通；杆本体20可滑动地穿设在第一让位孔121a中；内壳体12的外壁与外壳体11的内壁之间面面接触配合，其中，外壳体11的内壁凹陷以形成导气通道111a。这一方案使得述泵主体1的结构牢固。
如图4、5、6所示，内壳体12具有顶壁121和侧壁122，顶壁121和侧壁122限定出第一腔体1a；活塞部21与侧壁122的内壁滑动配合，侧壁122的外壁与外壳体11的内壁面面接触配合；顶壁121具有第一让位孔121a。这一方案使得内壳体12易于安装在外壳体11中，且不会晃动。
如图2、10、11、12所示，泵主体1还包括密封圈13和压盖14；密封圈13具有装配孔13a，压盖14具有第二让位孔14a；内壳体12还具有环壁123，环壁123凸出设置在顶壁121的外壁上，并且环绕第一让位孔121a；环壁123限定出容纳腔123a，容纳腔123a与第一让位孔121a连通；密封圈13设置在容纳腔123a中，装配 孔13a与杆本体20轴孔配合；杆本体20可滑动地穿设在第二让位孔14a中；压盖14与外壳体11连接，以将密封圈13压紧在顶壁121上，以使密封圈13密封第一让位孔121a与杆本体20之间的间隙。这一方案能够提高泵主体1的密封性及牢固程度。
如图2、7、8、9、13、14所示，泵主体1还包括活塞15；外壳体11具有第一壳体部111和第二壳体部112；第一壳体部111包围内壳体12，内壳体12的外壁与第一壳体部111的内壁面面接触配合，第一壳体部111的内壁凹陷以形成导气通道111a；第二壳体部112的内壁限定出第二腔体1b；活塞15设置在第二腔体1b中，并与第二壳体部112的内壁滑动配合；杆本体20的另一端伸入第二腔体1b；杆本体20用于驱动活塞15在第二腔体1b内滑动。这一方案使得泵主体1的结构紧凑。
如图2、15、16所示，泵主体1还包括阀体16；第二壳体部112具有开口112a，开口112a与第二腔体1b连通；阀体16盖设在开口112a上，以容许第二腔体1b通过开口112a单向吸入容器本体91中的内容物800。阀体16包括锥形本体160和卡钩161。锥形本体160盖设在开口112a的一侧，卡钩161穿过该开口112a而卡在该开口112a的另一侧，以防止阀体16从开口112a上脱落。开口112a具有锥面，锥形本体160与该锥面锥锥配合，从而实现开口112a的单向开启功能。
如图2、13、14、17、18、19所示，活塞15具有通孔15a，杆本体20具有排出通道20a，排出通道20a贯穿杆本体20；排出通道20a与通孔15a连通；活塞15用于将第二腔体1b中的内容物800压入通孔15a，并经由排出通道20a排出第二腔体1b。这一方案提供了第二腔体1b中的内容物800的排出方式。
如图2、20、21、22所示，泵主体1还包括座体17，座体17具有引流部171和座体部172，引流部171与杆本体20连接，座体部172设置在第二腔体1b中；引流部171具有引流通道171a，引流通道171a的一端与排出通道20a连通，另一端与通孔15a连通；活塞15可滑动地设置在杆本体20上，其中，活塞15能够在杆本体20上朝远离座体部172的方向滑动，以与座体部172分离，从而使通孔15a被打开；活塞15还能够在杆本体20上朝靠近座体部172的方向滑动，以与座体部172相抵，从而使通孔15a被关闭。
如图17、19所示，杆本体20与活塞15接触的一端具有凸柱201和限位面202。限位面202环绕凸柱201而设置。凸柱201的内壁限定出排出通道20a的入口，凸柱201的外壁与活塞15的通孔15a可滑动地轴孔配合。限位面202用于与活塞15相抵， 以与活塞15在凸柱201上沿远离座体部172的方向的滑动进行限位。座体部172用于与活塞15相抵，以对活塞15在凸柱201上沿靠近座体部172的方向的滑动进行限位。
头帽93的具体结构显示在图23A、23B中。头帽93包括帽体930和连接部931。头帽93内部形成有分配通道93a，分配通道93a贯穿帽体930和连接部931。如图34所示，连接部931与压杆2连接。分配通道93a与排出通道20a连通。
图25、26、27、28、29、30、31、32、34示出了压杆2的下压及回弹过程。下面以第一气腔12a为密封腔，第二气腔12b通过导气通道111a与大气连通为例来对压杆2的下压及回弹过程进行描述。
首先参考图25、26，压杆2处于下压初始位置。第一气腔12a和第二气腔12b中的气体压力可以相等，可以都为大气压力。第二腔体1b内存放有内容物800或者空气，活塞15与限位面202脱离，并且与座体部172相抵，通孔15a处于关闭状态。阀体16的锥形本体160与开口112a锥面配合，以使开口112a处于关闭状态。压杆2受外力以从下压初始位置开始下压。
再参考图27、28，压杆2处于下压中间位置。随着压杆2的下压，第一气腔12a内气体的压力开始减小，第二气腔12b内气体的压力等于大气压力，第一气腔12a与第二气腔12b产生气体压力差。在这一过程中，由于活塞15受到第二壳体部112内壁的摩擦力的影响，活塞15在凸柱201上沿远离座体部172的方向的滑动，而与座体部172分离，使得通孔15a被打开。阀体16的锥形本体160与开口112a锥面配合，以使开口112a处于关闭状态。
当活塞15沿远离座体部172的方向的滑动至与限位面202相抵后，活塞15开始被杆本体20驱动至向下运动，以挤压第二腔体1b中的内容物800或者空气。由于通孔15a处于打开状态，且开口112a处于关闭状态，第二腔体1b中的内容物800或者空气能够依次经过通孔15a、引流通道171a、排出通道20a和分配通道93a而排出第二腔体1b。第二腔体1b中的内容物800或者空气的排出路径如图28中的虚线箭头L所示。
再参考图29、30，压杆2处于下压结束位置。此时，第二腔体1b中的内容物800或者空气已经最大限度地排出第二腔体1b。第一气腔12a内气体的压力减小到最小值，第一气腔12a与第二气腔12b之间的气体压力差达到最大值。通孔15a仍然 处于打开状态，且开口112a仍然处于关闭状态。压杆2受到的外力撤销后，活塞部21能够在第一气腔12a内的气体压力和第二气腔12b内的气体压力的合力的作用下回弹，带动压杆2从下压结束位置开始回弹。
最后参考图31、32、33，压杆2处于回弹中位置。随着压杆2的回弹，第一气腔12a内气体的压力开始增大，第二气腔12b内气体的压力等于大气压力，第一气腔12a与第二气腔12b仍然具有气体压力差。在这一过程中，由于活塞15受到第二壳体部112内壁的摩擦力的影响，活塞15在凸柱201上沿靠近座体部172的方向的滑动，与限位面202分离并与座体部172相抵，使得通孔15a被关闭。阀体16的锥形本体160与开口112a分离，以使开口112a处于打开状态。
当活塞15沿靠近座体部172的方向的滑动至与座体部172相抵后，活塞15被座体部172驱动至向上运动，以增大第二腔体1b的体积。由于通孔15a处于关闭状态，且开口112a处于打开状态，容器本体91中的内容物800或者空气能够经由开口112a而被吸入第二腔体1b。容器本体91中的内容物800或者空气经由开口112a而进入第二腔体1b的路径如图33中的虚线箭头M所示。
压杆2能够回弹至图25、26所示的下压初始位置，以使压杆2适于被再次按压。在压杆2的多次按压与回弹过程中，容器本体91内的内容物800或者空气被排出容器本体91。
本发明虽然以较佳实施例公开如上，但其并不是用来限定本发明，任何本领域技术人员在不脱离本发明的精神和范围内，都可以做出可能的变动和修改，凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何修改、等同变化及修饰，均落入本发明权利要求所界定的保护范围之内。

Claims (10)

  1. 一种泵组件，适于安装在容器本体(91)上，包括泵主体(1)和压杆(2)；其特征在于，所述压杆(2)具有杆本体(20)和活塞部(21)；所述泵主体(1)具有第一腔体(1a)；
    所述杆本体(20)可滑动地穿设在所述第一腔体(1a)中，并且一端伸出所述第一腔体(1a)；所述活塞部(21)连接在所述杆本体(20)上，并位于所述第一腔体(1a)中，以在所述第一腔体(1a)内分隔出第一气腔(12a)和第二气腔(12b)，其中，所述第一气腔(12a)和/或所述第二气腔(12b)为密封腔；
    所述杆本体(20)用于被按压而带动所述活塞部(21)拉伸所述第一气腔(12a)并压缩所述第二气腔(12b)；所述活塞部(21)用于在所述第一气腔(12a)内的气体压力和所述第二气腔(12b)内的气体压力的合力的作用下回弹，以带动所述杆本体(20)回弹，从而使所述杆本体(20)适于再次被按压。
  2. 如权利要求1所述的泵组件，其特征在于，所述第一气腔(12a)为密封腔；所述泵主体(1)还具有导气通道(111a)，所述导气通道(111a)与所述第二气腔(12b)连通；所述第二气腔(12b)通过所述导气通道(111a)排出或者吸入气体。
  3. 如权利要求2所述的泵组件，其特征在于，所述泵主体(1)包括外壳体(11)和内壳体(12)；
    所述外壳体(11)包围所述内壳体(12)，所述内壳体(12)的内壁限定出所述第一腔体(1a)，所述活塞部(21)与所述内壳体(12)的内壁滑动配合；所述内壳体(12)上开设有第一让位孔(121a)，所述第一让位孔(121a)与所述第一腔体(1a)连通；所述杆本体(20)可滑动地穿设在所述第一让位孔(121a)中；
    所述内壳体(12)的外壁与所述外壳体(11)的内壁面面接触配合，其中，所述外壳体(11)的内壁凹陷以形成所述导气通道(111a)。
  4. 如权利要求3所述的泵组件，其特征在于，所述内壳体(12)具有顶壁(121)和侧壁(122)，所述顶壁(121)和所述侧壁(122)限定出所述第一腔体(1a)；
    所述活塞部(21)与所述侧壁(122)的内壁滑动配合，所述侧壁(122)的外壁与所述外壳体(11)的内壁面面接触配合；所述顶壁(121)具有所述第一让位孔(121a)。
  5. 如权利要求4所述的泵组件，其特征在于，所述泵主体(1)还包括密封圈(13)和压盖(14)；所述密封圈(13)具有装配孔(13a)，所述压盖(14)具有第二让位孔(14a)；
    所述内壳体(12)还具有环壁(123)，所述环壁(123)凸出设置在所述顶壁(121)的外壁上，并且环绕所述第一让位孔(121a)；所述环壁(123)限定出容纳腔(123a)，所述容纳腔(123a)与所述第一让位孔(121a)连通；
    所述密封圈(13)设置在所述容纳腔(123a)中，所述装配孔(13a)与所述杆本体(20)轴孔配合；所述杆本体(20)可滑动地穿设在所述第二让位孔(14a)中；
    所述压盖(14)与所述外壳体(11)连接，以将所述密封圈(13)压紧在所述顶壁(121)上，以使所述密封圈(13)密封所述第一让位孔(121a)与所述杆本体(20)之间的间隙。
  6. 如权利要求3所述的泵组件，其特征在于，所述泵主体(1)还包括活塞(15)；所述外壳体(11)具有第一壳体部(111)和第二壳体部(112)；所述第一壳体部(111)包围所述内壳体(12)，所述内壳体(12)的外壁与所述第一壳体部(111)的内壁面面接触配合，所述第一壳体部(111)的内壁凹陷以形成所述导气通道(111a)；所述第二壳体部(112)的内壁限定出第二腔体(1b)；
    所述活塞(15)设置在所述第二腔体(1b)中，并与所述第二壳体部(112)的内壁滑动配合；所述杆本体(20)的另一端伸入所述第二腔体(1b)；所述杆本体(20)用于驱动所述活塞(15)在所述第二腔体(1b)内滑 动。
  7. 如权利要求6所述的泵组件，其特征在于，所述泵主体(1)还包括阀体(16)；所述第二壳体部(112)具有开口(112a)，所述开口(112a)与所述第二腔体(1b)连通；所述阀体(16)盖设在所述开口(112a)上，以容许所述第二腔体(1b)通过所述开口(112a)单向吸入所述容器本体(91)中的内容物(800)。
  8. 如权利要求6所述的泵组件，其特征在于，所述活塞(15)具有通孔(15a)，所述杆本体(20)具有排出通道(20a)，所述排出通道(20a)贯穿所述杆本体(20)；
    所述排出通道(20a)与所述通孔(15a)连通；所述活塞(15)用于将所述第二腔体(1b)中的内容物(800)压入所述通孔(15a)，并经由所述排出通道(20a)排出所述第二腔体(1b)。
  9. 如权利要求8所述的泵组件，其特征在于，所述泵主体(1)还包括座体(17)，所述座体(17)具有引流部(171)和座体部(172)，所述引流部(171)与所述杆本体(20)连接，所述座体部(172)设置在所述第二腔体(1b)中；
    所述引流部(171)具有引流通道(171a)，所述引流通道(171a)的一端与所述排出通道(20a)连通，另一端与所述通孔(15a)连通；
    所述活塞(15)可滑动地设置在所述杆本体(20)上，其中，所述活塞(15)能够在所述杆本体(20)上朝远离所述座体部(172)的方向滑动，以与所述座体部(172)分离，从而使所述通孔(15a)被打开；所述活塞(15)还能够在所述杆本体(20)上朝靠近所述座体部(172)的方向滑动，以与所述座体部(172)相抵，从而使所述通孔(15a)被关闭。
  10. 一种具有内容物排出功能的容器，包括容器本体(91)，其特征在于，所述容器还包括如权利要求1至9中任意一项权利要求所述的泵组件(90)，所述 泵组件(90)安装在所述容器本体(91)上，并用于排出所述容器本体中的内容物(800)。
PCT/CN2020/071433 2019-01-15 2020-01-10 一种泵组件及具有内容物排出功能的容器 WO2020147659A1 (zh)

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BR112021013889-7A BR112021013889A2 (pt) 2019-01-15 2020-01-10 Conjunto de bomba e recipiente com função de descarga de conteúdo.
AU2020209601A AU2020209601B2 (en) 2019-01-15 2020-01-10 Pump assembly and container having content evacuation function
MX2021008477A MX2021008477A (es) 2019-01-15 2020-01-10 Conjunto de bomba y recipiente con funcion de descarga de contenido.
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