CN113335755A - Extrusion type foam pump - Google Patents

Extrusion type foam pump Download PDF

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Publication number
CN113335755A
CN113335755A CN202110809542.3A CN202110809542A CN113335755A CN 113335755 A CN113335755 A CN 113335755A CN 202110809542 A CN202110809542 A CN 202110809542A CN 113335755 A CN113335755 A CN 113335755A
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CN
China
Prior art keywords
liquid
gas
passing hole
sleeve
wall
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202110809542.3A
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Chinese (zh)
Inventor
桂仁东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shengqi Industrial Co ltd
Original Assignee
Zhejiang Shengqi Industrial Co ltd
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 Zhejiang Shengqi Industrial Co ltd filed Critical Zhejiang Shengqi Industrial Co ltd
Priority to CN202110809542.3A priority Critical patent/CN113335755A/en
Publication of CN113335755A publication Critical patent/CN113335755A/en
Pending legal-status Critical Current

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    • 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
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • 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
    • B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
    • B65D35/44—Closures
    • 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
    • B65D51/00—Closures not otherwise provided for
    • B65D51/16—Closures not otherwise provided for with means for venting air or gas

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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

The invention relates to an extrusion type foam pump which comprises a helicoidal ring, a gas-liquid guide piece, a base, a first sealing piece, a quantitative box, marbles and a bubbler, wherein the lower part of the helicoidal ring is used for being connected with a bottle body, the top of the helicoidal ring is provided with an upper sealing plate, and the upper sealing plate is provided with a liquid outlet sleeve extending upwards; the gas-liquid guide piece is arranged below the upper sealing plate, the middle part of the gas-liquid guide piece is provided with a baffle plate which can divide the inner space of the gas-liquid guide piece into an upper space and a lower space which are relatively independent, and the middle part of the baffle plate is provided with a liquid guide sleeve which extends upwards and communicates the lower space with the liquid outlet sleeve; the upper wall of the baffle, the outer wall of the liquid guide sleeve, the inner wall of the upper part of the gas-liquid guide part and the bottom wall of the upper sealing plate jointly enclose a first gas guide cavity. The quantitative box is tightly combined with the base and the gas-liquid guide piece, the internal space of the pump body is fully utilized, and under the condition of keeping the shortest stroke of the liquid conveying channel, a large enough space is provided for the gas conveying channel, so that the gas return is convenient, and the effects of quantitatively outputting foam and convenient use are realized.

Description

Extrusion type foam pump
Technical Field
The invention relates to the technical field of container pumps, in particular to an extrusion type foam pump.
Background
Liquid convenient to carry is mostly contained in plastic bottles, when the liquid convenient to carry is needed to be used, a bottle cover is opened, the liquid in the bottle is poured into a container to be added, however, the adding volume is difficult to determine quantitatively when the liquid is added every time, and some plastic bottles are provided with scales, but the quantitative liquid cannot be added accurately.
In order to solve the above problems, the applicant's prior application CN201410086594.2 "bottle cap for quantitatively extruding liquid" discloses a structure, which mainly includes a cap body, a liquid outlet is disposed at the top of the cap body, a fixed sleeve with two open ends is mounted on the cap body, one end of the fixed sleeve, which is far away from the liquid outlet, is connected with a floating sleeve, the floating sleeve includes an inner cylinder and an outer cylinder which are connected together at end portions, the inner cylinder extends out of the outer cylinder, a mounting cavity is formed between the inner cylinder and the outer cylinder, the fixed sleeve is inserted into the mounting cavity, a liquid outlet gap is formed between the fixed sleeve and the inner cylinder, a through hole communicated with the liquid outlet gap is disposed on a side surface of the fixed sleeve, an end portion of the inner cylinder, which extends out of the outer cylinder, is plugged and is opposite to the liquid outlet, a plurality of air return holes are disposed on an end surface of the inner cylinder, which extends out of the outer cylinder, and the other end of the inner cylinder is open.
The structure can realize quantitative liquid discharge and is convenient to use. However, the structure is relatively simple, and only quantitative liquid can be extruded out, and the liquid form cannot be converted, for example, quantitative foam liquid cannot be obtained.
Disclosure of Invention
The invention aims to solve the technical problem of providing an extrusion type foam pump which can output foam quantitatively and is convenient to use in view of the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a squeeze foam pump characterized by comprising:
the lower part of the spiral ring is used for being connected with the bottle body, the top of the spiral ring is provided with an upper sealing plate, and the upper sealing plate is provided with a liquid outlet sleeve extending upwards;
the gas-liquid guide piece is arranged below the upper sealing plate, the middle part of the gas-liquid guide piece is provided with a baffle plate which can divide the inner space into an upper space and a lower space which are relatively independent, and the middle part of the baffle plate is provided with a liquid guide sleeve which extends upwards and communicates the lower space with the liquid outlet sleeve; the upper wall of the baffle, the outer wall of the liquid guide sleeve, the upper inner wall of the gas-liquid guide part and the bottom wall of the upper sealing plate jointly enclose to form a first gas guide cavity, and the upper sealing plate is provided with a gas inlet for allowing external gas to enter the first gas guide cavity;
the base is arranged at the bottom of the gas-liquid guide piece and seals the lower end of the lower space to form a second gas guide cavity, and the baffle is provided with a first gas passing hole for allowing the first gas guide cavity to enter the second gas guide cavity; the middle part of the base is provided with an insertion part which extends upwards and the upper end of the insertion part is arranged close to the baffle plate, the insertion part is hollow to form a liquid guide channel with an open lower end and a closed top part through a top plate, and the top plate is provided with a first liquid passing hole for liquid to enter the liquid guide sleeve from the liquid guide channel; the base is provided with a second air passing hole for air to enter the bottle body from the second air guide cavity;
the first sealing element is arranged between the baffle and the top plate and is used for opening and closing the first air passing hole and the first liquid passing hole;
the upper end of the quantitative box is connected with the lower port of the insertion part, the lower end of the quantitative box is closed, and a liquid inlet is formed in the lower end wall of the quantitative box;
the marble is arranged in the quantitative box in a vertically floating manner and is used for sealing the liquid flow channel in a state of being in contact with the lower port of the insertion part; and
and the bubbler is arranged in the liquid outlet sleeve and/or the liquid guide sleeve and is used for enabling the liquid to form a foam state under the state of mixing gas.
Preferably, a built-in block body which is arranged along the radial direction is arranged in the insertion part, an air guide channel which is transversely communicated with the second air guide cavity is formed in the built-in block body, a third air passing hole which can communicate the air guide channel with the quantitative box is formed in the bottom of the built-in block body, and a second sealing element which is used for sealing the third air passing hole is arranged on the bottom wall of the built-in block body. For the quantitative box, whether the liquid ration needs the cooperation of marble to realize, and when the liquid viscosity of pump sending is great, just can have the marble in a ration go out the unable problem that resets after liquid, influence the ration of next time and go out liquid, adopt above-mentioned structure, on the one hand make gas get into the bottle through third air vent, inlet, can improve the supplementary efficiency of the interior liquid of bottle, on the other hand, when gas is supplemented through the quantitative box, also can play the effect that the blowing floats and make its reset to the marble to go out liquid for the ration of next time and prepare.
In order to facilitate assembly, a limiting block is convexly arranged on the inner wall of the built-in block, the middle of the second sealing element is sleeved on the limiting block, and a third sealing sheet which can be covered on a third air passing hole in a fit manner is arranged at the upper end of the second sealing element.
Preferably, the top of the built-in block body is provided with a fourth air passing hole for communicating the air guide channel with the liquid guide sleeve, and the first sealing element is used for opening and closing the fourth air passing hole. Because the foam is generated by mixing enough gas into the liquid, and the more the gas is mixed, the more favorable the generation of plump and plump foam is.
Preferably, the first sealing element is provided with a vertically-through base body, the lower end of the base body is connected with the top edge of the inserting portion in an inserting manner, the upper end of the base body is connected with the bottom wall of the baffle plate in an inserting manner, a first sealing sheet which extends outwards and is attached to the first air passing hole is arranged on the outer peripheral wall of the base body, and a second sealing sheet which extends inwards and is attached to the first liquid passing hole and the fourth air passing hole is arranged on the inner peripheral wall of the base body. By adopting the structure, the assembly is convenient, and the structure is compact after being matched with each other, so that the surface air leakage is realized, and the foam plumpness effect is improved.
Further preferably, the baffle is formed as an inclined plate which is inclined downward gradually from the inside to the outside in the radial direction, and accordingly, the inclined state of the first sealing sheet is kept consistent with the inclined plate. The upper wall surface of the top plate is gradually inclined downwards from inside to outside along the radial direction to form an inclined wall, and correspondingly, the inclined state of the second sealing sheet is consistent with the inclined wall. The structure is favorable for guiding gas and liquid, and improves the liquid outlet and air supply effects.
Preferably, a second liquid passing hole for liquid to enter the quantitative box is formed at the joint of the upper end of the quantitative box and the inserting part. The structure can extrude liquid when the bottle body has less liquid.
Preferably, the bottom of the base is connected with a gas guide pipe which is arranged corresponding to the second gas passing hole and is used for guiding the gas from the second gas passing hole into the bottle body. The structure is beneficial to avoiding the air guide cavity from being filled with liquid and quickly supplementing air into the bottle body.
The foam pump also comprises a cover cap used for sealing the upper port of the liquid outlet sleeve and a first air passing hole, the first air passing hole is positioned at the periphery of the liquid outlet sleeve, an inserting sleeve arranged around the periphery of the first air passing hole is arranged on the upper wall surface of the upper sealing plate, a vertically extending connecting sleeve is arranged at the edge of the upper sealing plate, the cover cap is in threaded connection with the connecting sleeve, a vertically extending inserting plate capable of being inserted between the inserting sleeve and the liquid outlet sleeve so as to seal the first air passing hole is arranged on the inner bottom wall of the cover cap, and an output port at the top of the cover cap is in inserting fit with the upper end of the liquid outlet sleeve and is sealed in a state that the first air passing hole is sealed. The center of the top of the liquid outlet sleeve is provided with a convex block which is inserted into the output port of the cover cap to seal the output port.
Compared with the prior art, the invention has the advantages that: the quantitative box is tightly combined with the base and the gas-liquid guide piece, the internal space of the pump body is fully utilized, and under the condition of keeping the shortest stroke of the liquid conveying channel, a large enough space is provided for the gas conveying channel, so that the gas return is convenient, and the effects of quantitatively outputting foam and convenient use are realized.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view (open, closed) of FIG. 1;
FIG. 3 is a cross-sectional view (inverted, open) of an embodiment of the present invention;
fig. 4 is a cross-sectional view (perpendicular to the cross-sectional direction of fig. 3) of an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 4, the extrusion type foam pump of the present embodiment includes a coil 1, an air-liquid guide 2, a base 3, a first sealing member 100, a dosing box 4, a marble 5, a bubbler 6, and a cap 7.
The lower part of the helicoid 1 is provided with internal threads for connecting with a bottle body, the top of the helicoid 1 is provided with an upper sealing plate 11, the upper sealing plate 11 is provided with a liquid outlet sleeve 12 which extends upwards, the liquid outlet sleeve 12 is penetrated up and down, and the center part of the top is provided with a convex block 121, so that the actual opening for liquid outlet is positioned at the periphery of the lower end of the convex block 121.
The gas-liquid guiding piece 2 is arranged below the upper closing plate 11, the middle part of the gas-liquid guiding piece 2 is provided with a baffle plate 21 which can divide the inner space into an upper space and a lower space which are relatively independent, and the middle part of the baffle plate 21 is provided with a liquid guide sleeve 211 which extends upwards and communicates the lower space with the liquid outlet sleeve 12; the upper wall of the baffle 21, the outer wall of the liquid guide sleeve 211, the upper inner wall of the gas-liquid guide 2 and the bottom wall of the upper sealing plate 11 together enclose a first gas guide cavity 10, and the upper sealing plate 11 is provided with a gas inlet 111 for the outside gas to enter the first gas guide cavity 10.
As shown in fig. 4, the base 3 is provided at the bottom of the gas-liquid guide 2 and closes the lower end of the lower space to form a second gas guide chamber 20. The baffle plate 21 is provided with a first gas passing hole 212 for allowing the first gas guide cavity 10 to enter the second gas guide cavity 20. The middle part of the base 3 is provided with an inserting part 31 extending upwards and the upper end of the inserting part 31 is arranged close to the baffle 21, the inside of the inserting part 31 is hollow to form a liquid guide channel 310 with an open lower end and a closed top part through a top plate 311, and the top plate 311 is provided with a first liquid passing hole 312 for liquid to enter the liquid guide sleeve 211 from the liquid guide channel 310. As shown in fig. 3, the base 3 is provided with second air passing holes 32 for air to enter the bottle body from the second air guide cavity 20, and the second air passing holes 32 are distributed on the periphery of the insertion part 31.
The first sealing member 100 is disposed between the baffle plate 21 and the top plate 311, and is used for opening and closing the first air passing hole 212 and the first liquid passing hole 312.
The upper end of the quantitative box 4 is connected with the lower port of the plug-in part 31, the lower end of the quantitative box 4 is closed, the marble 5 with the liquid inlet 41 is arranged on the lower end wall of the quantitative box 4 in a vertically floating manner, and the marble is used for closing a liquid flow channel under the state of contacting with the lower port of the plug-in part 31.
The upper end of the liquid guide sleeve 211 is inserted in the liquid outlet sleeve 12, the lower part of the bubbler 6 is inserted in the lower part of the liquid guide sleeve 211, and the upper part of the bubbler 6 is inserted in the upper part of the liquid outlet sleeve 12, so that the liquid is foamed in a gas mixed state.
In this embodiment, the inserting portion 31 is internally provided with an internal block 33 arranged along the radial direction, the internal block 33 is provided with an air guide passage 331 transversely penetrating and communicating with the second air guide chamber 20, the bottom of the internal block 33 is provided with a third air passing hole 332 capable of communicating the air guide passage 331 with the quantitative box 4, and the bottom wall of the internal block 33 is provided with a second sealing member 200 for sealing the third air passing hole 332. For the quantitative box 4, whether the liquid is quantitative or not can be realized only by the matching of the marble 5, when the viscosity of the pumped liquid is high, the problem that the marble 5 cannot be reset after one-time quantitative liquid discharging possibly exists, and the next quantitative liquid discharging is influenced.
In order to facilitate assembly, a limit block 333 is convexly arranged on the inner wall of the built-in block 33, the middle part of the second sealing element 200 is sleeved on the limit block 333, and the upper end of the second sealing element 200 is provided with a third sealing sheet 201 which can be covered on the third air passing hole 332 in a fitting manner.
The top of the built-in block 33 is provided with a fourth air passing hole 334 for communicating the air guide channel 331 with the liquid guide sleeve 211, and the first sealing element 100 is used for opening and closing the fourth air passing hole 334. Because the foam is generated by mixing enough gas into the liquid, and the more the gas is mixed, the more favorable the generation of plump and plump foam is.
The first sealing member 100 has a base 103 which is vertically penetrated, the lower end of the base 103 is inserted and connected with the top edge of the insertion part 31, the upper end of the base 103 is inserted and connected with the bottom wall of the baffle 21, a first sealing sheet 101 which extends outwards and is attached to the first air passing hole 212 is arranged on the outer peripheral wall of the base 103, and a second sealing sheet 102 which extends inwards and is attached to the first liquid passing hole 312 and the fourth air passing hole 334 is arranged on the inner peripheral wall of the base 103. By adopting the structure, the assembly is convenient, and the structure is compact after being matched with each other, so that the surface air leakage is realized, and the foam plumpness effect is improved.
The baffle 21 is formed as an inclined plate which is gradually inclined downward from the inside to the outside in the radial direction, and accordingly, the inclined state of the first sealing fin 101 is maintained in correspondence with the inclined plate. The upper wall surface of the top plate 311 is gradually inclined downward from the inside to the outside in the radial direction to form a sloped wall, and accordingly, the inclined state of the second sealing fin 102 is kept consistent with the sloped wall. The structure is favorable for guiding gas and liquid, and improves the liquid outlet and air supply effects.
The joint of the upper end of the quantitative box 4 and the inserting part 31 is provided with a second liquid passing hole 42 for liquid to enter the quantitative box. The structure can extrude liquid when the bottle body has less liquid.
The bottom of the base 3 is connected with a gas-guide tube 34 which is arranged corresponding to the second gas passing hole 32 and is used for guiding the gas from the second gas passing hole 32 into the bottle body. The structure is beneficial to avoiding the air guide cavity from being filled with liquid and quickly supplementing air into the bottle body.
The cap 7 is used for sealing an upper end of the liquid outlet sleeve 12 and the first air passing hole 212, the first air passing hole 212 is located on the periphery of the liquid outlet sleeve 12, the insertion sleeve 112 arranged around the periphery of the first air passing hole 212 is arranged on the upper wall surface of the upper sealing plate 11, the edge of the upper sealing plate 11 is provided with a vertically extending connection sleeve 113, the cap 7 is in threaded connection with the connection sleeve 113, the inner bottom wall of the cap 7 is provided with a vertically extending insertion plate 72 which can be inserted between the insertion sleeve 112 and the liquid outlet sleeve 12 so as to seal the first air passing hole 212, and in a state that the first air passing hole 212 is sealed, the output port 71 at the top of the cap 7 is in insertion fit with the upper end of the liquid outlet sleeve 12. The center of the top of the liquid outlet sleeve 12 is provided with a projection 121, and the projection 121 is inserted into the output opening 71 of the cap 7 to close the same.
When the extrusion type foam pump is used, the extrusion type foam pump is inverted, the cap 7 is rotated, the first air passing hole 212 is exposed, liquid gradually enters the quantitative box 4 from the liquid inlet 41 and the second liquid passing hole 42, the marble 5 continuously floats under the action of liquid buoyancy until the quantitative box 4 is filled with the liquid, at the moment, the bottle body is extruded, the liquid in the quantitative box 4 enters the bubbler 6 through the liquid guide channel 310 and the first liquid passing hole 312, the liquid is mixed with gas in the bubbler 6 and is output through the upper end of the liquid outlet sleeve 12 after generating foam, and in the process, the marble 5 abuts against the insertion part 31 after being extruded so as to seal the liquid guide channel 310 to maintain the primary liquid outlet as a fixed amount;
the gas enters the first gas guide cavity 10 through the gap between the cap 7 and the helicoid 1 and the gas inlet 111, the first gas passing hole 212 enters the second gas guide cavity 20, and the gas entering the second gas guide cavity 20 is partially supplemented into the bottle body through the second gas passing hole 32 and the gas guide tube 34; one part of the gas is supplied into the bottle body through the gas guide channel 331, the third air passing hole 332, the quantitative box 4 and the liquid inlet 41, and the part of the gas plays a role of floating up the marble 5 in the gas supplying process, so that the marble 5 can be separated from the lower end of the insertion part 31 to prepare for next quantitative liquid; the other part of the air is supplied into the bubbler 6 through the air guide channel 331 and the fourth air passing hole 334 to provide sufficient air for air-liquid mixing, so as to improve the foam generation amount and effect.
Although the gas channel and the liquid channel are integrated on the same component, the gas channel and the liquid channel cannot interfere with each other and can be independently switched on and off all the time, so that real-time gas supplement can be realized, and the fullness degree of foam can be improved.
Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims (10)

1. A squeeze foam pump characterized by comprising:
the lower part of the spiral ring is used for being connected with the bottle body, the top of the spiral ring is provided with an upper sealing plate, and the upper sealing plate is provided with a liquid outlet sleeve extending upwards;
the gas-liquid guide piece is arranged below the upper sealing plate, the middle part of the gas-liquid guide piece is provided with a baffle plate which can divide the inner space into an upper space and a lower space which are relatively independent, and the middle part of the baffle plate is provided with a liquid guide sleeve which extends upwards and communicates the lower space with the liquid outlet sleeve; the upper wall of the baffle, the outer wall of the liquid guide sleeve, the upper inner wall of the gas-liquid guide part and the bottom wall of the upper sealing plate jointly enclose to form a first gas guide cavity, and the upper sealing plate is provided with a gas inlet for allowing external gas to enter the first gas guide cavity;
the base is arranged at the bottom of the gas-liquid guide piece and seals the lower end of the lower space to form a second gas guide cavity, and the baffle is provided with a first gas passing hole for allowing the first gas guide cavity to enter the second gas guide cavity; the middle part of the base is provided with an insertion part which extends upwards and the upper end of the insertion part is arranged close to the baffle plate, the insertion part is hollow to form a liquid guide channel with an open lower end and a closed top part through a top plate, and the top plate is provided with a first liquid passing hole for liquid to enter the liquid guide sleeve from the liquid guide channel; the base is provided with a second air passing hole for air to enter the bottle body from the second air guide cavity;
the first sealing element is arranged between the baffle and the top plate and is used for opening and closing the first air passing hole and the first liquid passing hole;
the upper end of the quantitative box is connected with the lower port of the insertion part, the lower end of the quantitative box is closed, and a liquid inlet is formed in the lower end wall of the quantitative box;
the marble is arranged in the quantitative box in a vertically floating manner and is used for sealing the liquid flow channel in a state of being in contact with the lower port of the insertion part; and
and the bubbler is arranged in the liquid outlet sleeve and/or the liquid guide sleeve and is used for enabling the liquid to form a foam state under the state of mixing gas.
2. The squeeze foam pump of claim 1, wherein: the plug-in part is internally provided with a built-in block body which is arranged along the radial direction, the built-in block body is provided with an air guide channel which is transversely communicated with the second air guide cavity, the bottom of the built-in block body is provided with a third air passing hole which can communicate the air guide channel with the quantitative box, and the bottom wall of the built-in block body is provided with a second sealing element which is used for sealing the third air passing hole.
3. The squeeze foam pump of claim 2, wherein: the inner wall of the built-in block body is convexly provided with a limiting block, the middle part of the second sealing element is sleeved on the limiting block, and the upper end of the second sealing element is provided with a third sealing sheet which can be covered on a third air passing hole in a fitting manner.
4. The squeeze foam pump of claim 2, wherein: the top of the built-in block body is provided with a fourth air passing hole for communicating the air guide channel with the liquid guide sleeve, and the first sealing element is used for opening and closing the fourth air passing hole.
5. The squeeze foam pump of claim 4, wherein: the first sealing element is provided with a vertically-through base body, the lower end of the base body is connected with the top edge of the inserting portion in an inserting and matching mode, the upper end of the base body is connected with the bottom wall of the baffle in an inserting and matching mode, a first sealing piece which extends outwards and is attached to a first air passing hole in an attaching mode is arranged on the outer peripheral wall of the base body, and a second sealing piece which extends inwards and is attached to a first liquid passing hole and a fourth air passing hole is arranged on the inner peripheral wall of the base body.
6. The squeeze foam pump of claim 5, wherein: the baffle is formed as an inclined plate which is gradually inclined downwards from inside to outside along the radial direction, and accordingly, the inclined state of the first sealing sheet is consistent with the inclined plate.
7. The squeeze foam pump of claim 5, wherein: the upper wall surface of the top plate is gradually inclined downwards from inside to outside along the radial direction to form an inclined wall, and correspondingly, the inclined state of the second sealing sheet is consistent with the inclined wall.
8. The extrusion foam pump according to any one of claims 1 to 7, wherein: and a second liquid passing hole for liquid to enter the quantitative box is formed at the joint of the upper end of the quantitative box and the inserting part.
9. The extrusion foam pump according to any one of claims 1 to 7, wherein: the bottom of the base is connected with an air duct which is arranged corresponding to the second air passing hole and is used for guiding the air from the second air passing hole into the bottle body.
10. The extrusion foam pump according to any one of claims 1 to 7, wherein: the liquid outlet cover is characterized by further comprising a cover cap used for sealing a port on the liquid outlet cover and a first air passing hole, the first air passing hole is located on the periphery of the liquid outlet cover, an inserting sleeve arranged around the periphery of the first air passing hole is arranged on the upper wall surface of the upper sealing plate, a vertically extending connecting sleeve is arranged at the edge of the upper sealing plate, the cover cap is in threaded connection with the connecting sleeve, a vertically extending inserting plate capable of being inserted between the inserting sleeve and the liquid outlet cover is arranged on the inner bottom wall of the cover cap, and therefore the first air passing hole is sealed in an inserting mode at the top of the cover cap and the upper end of the liquid outlet cover in a closed state.
CN202110809542.3A 2021-07-15 2021-07-15 Extrusion type foam pump Pending CN113335755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110809542.3A CN113335755A (en) 2021-07-15 2021-07-15 Extrusion type foam pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110809542.3A CN113335755A (en) 2021-07-15 2021-07-15 Extrusion type foam pump

Publications (1)

Publication Number Publication Date
CN113335755A true CN113335755A (en) 2021-09-03

Family

ID=77479955

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110809542.3A Pending CN113335755A (en) 2021-07-15 2021-07-15 Extrusion type foam pump

Country Status (1)

Country Link
CN (1) CN113335755A (en)

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