CN220501460U

CN220501460U - Novel foam pump and foam bottle

Info

Publication number: CN220501460U
Application number: CN202321870102.XU
Authority: CN
Inventors: 梅元红; 曾志云
Original assignee: Nite Zhongshan Packaging Products Co ltd
Current assignee: Nite Zhongshan Packaging Products Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-02-20
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a novel foam pump and a foam bottle, wherein the foam pump comprises a pump body and an elastic corrugated pipe, at least one mixing cavity and at least one liquid storage cavity are defined in the pump body, and the pump body is provided with an idle position and a working position and can reciprocate between the idle position and the working position; the elastic corrugated pipe is connected between the bottle body and the pump body, at least one air storage cavity communicated with the mixing cavity is defined in the elastic corrugated pipe, and gas in the air storage cavity and liquid in the air storage cavity can be conveyed into the mixing cavity when the pump body moves from an idle position to a working position; further comprises: the plugging piece is arranged in the pump body and is positioned between the mixing cavity and the liquid storage cavity; the mixing cavity and the liquid storage cavity are opened or closed by arranging the plugging piece in the pump body, a piston structure is replaced, and metal parts such as a spring and the like are replaced by adopting the elastic corrugated pipe, so that the foam pump is of a full-plastic structure, the production cost is reduced, the control point in the production process is greatly reduced, and the production and assembly cost is further reduced.

Description

Novel foam pump and foam bottle

Technical Field

The utility model relates to a novel foam pump and a foam bottle.

Background

The foam pump is a pump body capable of generating foam and is widely applied to hand sanitizers, bath foam and the like, but the existing foam pump has a certain urgent need to be improved, for example, patent number CN02811840.5, a pump for generating foam by pressing twice is disclosed in a patent named as a bellows pump for delivering gas-liquid mixture, and comprises a suction device, a mixing chamber, an elastic bellows and the like, the conventional spring type pump is replaced by the elastic bellows, so that no metal part is arranged in the pump body, the pump body structure is simplified, the production cost is reduced, the pump can discharge gas in the elastic bellows when pressed for the first time, liquid in a bottle is pumped into a liquid storage cavity after loosening, and the gas in the elastic bellows and the liquid in the liquid storage cavity are simultaneously extruded into the mixing cavity when pressed for the second time, so that the gas-liquid mixture is formed, namely the foam is generated.

But in the pump of this kind of structure, it adopts the structure of put a movable seat in to still be provided with the boss that matches with the movable seat in the pump body, such structure makes the foam pump manage the control point more in the production, and not only assembly process is very loaded down with trivial details, and sealed effect is not good moreover, the condition of gas leakage appears easily in the time of using, influences the play foam effect of the pump body, consequently, a novel foam pump and foam bottle are urgently needed to solve above-mentioned problem.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a novel foam pump and a foam bottle.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: a novel foam pump comprises a pump body and an elastic corrugated pipe, wherein at least one mixing cavity and at least one liquid storage cavity are defined in the pump body; the elastic corrugated pipe is connected between the bottle body and the pump body, at least one air storage cavity communicated with the mixing cavity is defined in the elastic corrugated pipe, and gas in the air storage cavity and liquid in the air storage cavity can be conveyed into the mixing cavity when the pump body moves from an idle position to a working position;

further comprises:

the blocking piece is arranged in the pump body and located between the mixing cavity and the liquid storage cavity, and can close the communication between the mixing cavity and the liquid storage cavity when the pump body is in an idle position and open the communication between the mixing cavity and the liquid storage cavity when the pump body is in a working position.

Further, the pump body includes:

the spray head is provided with a sealing part which is matched with the upper end of the plugging piece and separates a mixing cavity and a liquid storage cavity;

the connecting seat is connected to the bottle body, and the other end of the elastic corrugated pipe is connected with the connecting seat;

the guide seat is arranged in the connecting seat, and the lower end of the plugging piece is inserted into the guide seat;

when the spray head is at the idle position, the upper end and the lower end of the plugging piece are respectively abutted against the sealing part and the guide seat so as to close the communication between the mixing cavity and the liquid storage cavity; when the spray head is in a working position, the upper end and the lower end of the plugging piece are respectively separated from the sealing part and the guide seat so as to open the communication between the mixing cavity and the liquid storage cavity and follow the spray head.

Further, the shower nozzle includes:

a nozzle;

the first movable seat is connected with the nozzle, and the first air inlet channel is formed on the nozzle and the first movable seat;

one end of the sleeve is connected with the first movable seat, the other end of the sleeve extends into the connecting seat, the sealing part is arranged on the inner wall of the sleeve, the mixing cavity is formed between the nozzle and the first movable seat, and a second air inlet channel communicated with the mixing cavity and the air storage cavity is formed between the sleeve and the first movable seat;

the second movable seat is connected to the other end of the sleeve and is abutted against the inner wall of the connecting seat, the liquid storage cavity is formed among the sleeve, the second movable seat and the connecting seat, and the blocking piece is arranged in the sleeve in a penetrating manner, and two ends of the blocking piece extend into the mixing cavity and the liquid storage cavity respectively.

Further, the connecting seat is provided with at least one air return port communicated with the bottle body and the air storage cavity, and the spray head can close the communication between the bottle body and the air storage cavity when the spray head is in the idle position and can open the communication between the bottle body and the air storage cavity when the spray head is in the working position.

Further, the novel foam pump also comprises a protection seat which is sleeved in the elastic corrugated pipe and connected with the connecting seat.

Further, a first unidirectional conducting piece is arranged on the first air inlet channel, so that external air can enter the air storage cavity through the first unidirectional conducting piece.

Further, the first one-way conduction member is provided as a one-way valve.

Further, the connecting seat is provided with a second one-way conducting piece positioned at the liquid inlet of the connecting seat, so that liquid in the bottle body can enter the liquid storage cavity through the second one-way conducting piece.

Further, the second one-way conduction member is provided as a ball.

A foam bottle comprising the foam pump.

The utility model has the beneficial effects that: a novel foam pump and foam bottle, the foam pump includes pump body and elastic bellows, define at least one mixing chamber and at least one liquid storage chamber in the pump body, the pump body has idle position and working position and can reciprocate between idle position and working position; the elastic corrugated pipe is connected between the bottle body and the pump body, at least one air storage cavity communicated with the mixing cavity is defined in the elastic corrugated pipe, and gas in the air storage cavity and liquid in the air storage cavity can be conveyed into the mixing cavity when the pump body moves from an idle position to a working position; further comprises: the blocking piece is arranged in the pump body and positioned between the mixing cavity and the liquid storage cavity, and can close the communication between the mixing cavity and the liquid storage cavity when the pump body is in an idle position and open the communication between the mixing cavity and the liquid storage cavity when the pump body is in a working position; the mixing cavity and the liquid storage cavity are opened or closed by arranging the plugging piece in the pump body, a piston structure is replaced, and metal parts such as a spring and the like are replaced by adopting the elastic corrugated pipe, so that the foam pump is of a full-plastic structure, the production cost is reduced, the control point in the production process is greatly reduced, and the production and assembly cost is further reduced.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a novel foam pump;

FIG. 2 is a cross-sectional view of a novel foam pump in an idle position;

fig. 3 is a cross-sectional view of a novel foam pump in an operating position.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 3, a novel foam pump comprises a pump body 100 and an elastic bellows 200, wherein at least one mixing cavity 301 and at least one liquid storage cavity 302 are defined in the pump body 100, and the pump body 100 has an idle position and a working position and can reciprocate between the idle position and the working position; the elastic corrugated pipe 200 is connected between the bottle body and the pump body 100, at least one gas storage cavity 303 communicated with the mixing cavity 301 is defined in the elastic corrugated pipe 200, and gas in the gas storage cavity 303 and liquid in the liquid storage cavity 302 can be conveyed into the mixing cavity 301 when the pump body 100 moves from an idle position to a working position;

further comprises:

a closure 400 is disposed within the pump body 100 between the mixing chamber 301 and the reservoir chamber 302, the closure 400 being operable to close communication between the mixing chamber 301 and the reservoir chamber 302 when the pump body 100 is in the idle position and to open communication between the mixing chamber 301 and the reservoir chamber 302 when the pump body 100 is in the active position.

In the present utility model, referring to fig. 1 to 3, solid arrows in the drawings indicate the movement direction of gas, and broken arrows indicate the movement direction of liquid, the operation principle of the foam pump is as follows:

1. referring to fig. 2-3, when the foam pump moves from the state of fig. 2 to the state of fig. 3, that is, when the nozzle 111 is pressed for the first time, the first movable seat 112, the sleeve 113 and the second movable seat 114 are pushed to move, because a certain tension exists between the guide seat 130 and the lower end of the blocking piece 400, the blocking piece 400 is not followed by the guide seat 130, the sealing part 150 is separated from the upper end of the blocking piece 400, so that the communication between the mixing cavity 301 and the liquid storage cavity 302 is opened, and when the nozzle 111 moves to abut against the upper end of the blocking piece 400, the blocking piece 400 is pushed to follow until the downward abutting force is greater than the tensioning force between the guide seat 130 and the lower end of the blocking piece 400, the blocking piece 400 is always driven by the first movable seat 112 to follow the nozzle 111, and meanwhile, the elastic bellows 200 is driven by the first movable seat 112 to compress, so that the gas in the gas storage cavity 303 enters the mixing cavity 301 through the second air inlet channel 115 and is discharged along the nozzle 111;

2. when the nozzle 111 is released, the nozzle 111, the first movable seat 112, the sleeve 113 and the second movable seat 114 are reset under the action of the elastic corrugated pipe 200, and at the same time of resetting, the sealing part 150 is abutted against the upper end of the plugging piece 400 and drives the plugging piece 400 to move upwards together, and the lower end of the plugging piece 400 is moved to be abutted against the guide seat 130 and generate tensioning force again, so that liquid in the bottle body is extracted into the liquid storage cavity 302 through the liquid inlet 121, and at the same time, external air enters the liquid storage cavity 303 through the first air inlet channel 140;

3. that is, when the nozzle 111 is pressed for the second time, the first movable seat 112, the sleeve 113 and the second movable seat 114 can be pushed to move, and as a certain tensioning force is provided between the guide seat 130 and the lower end of the plugging member 400, the plugging member 400 is not driven by the tensioning force, and the sealing portion 150 is separated from the upper end of the plugging member 400, so that the communication between the mixing cavity 301 and the liquid storage cavity 302 is opened, and the liquid in the liquid storage cavity 302 enters the mixing cavity 301 under the action of pressure, and the following steps are performed synchronously: the gas in the gas storage cavity 303 enters the mixing cavity 301 through the second gas inlet channel 115 so as to be mixed with the liquid entering the mixing cavity 301 to form a gas-liquid mixture, foam is generated when the gas-liquid mixture is sprayed out of the nozzle 111, and the nozzle 111 moves to be abutted with the upper end of the blocking piece 400 so as to push the blocking piece 400 to follow up until the downward abutting force is greater than the tensioning force between the guide seat 130 and the lower end of the blocking piece 400, so that the blocking piece 400 always follows the nozzle 111, and the blocking piece 400 and the nozzle 111 move to the end of the stroke;

4. when the nozzle 111 is released, the nozzle 111, the first movable seat 112, the sleeve 113 and the second movable seat 114 are reset under the action of the elastic corrugated pipe 200, and at the same time of resetting, the sealing part 150 is abutted against the upper end of the plugging piece 400 and drives the plugging piece 400 to move upwards together, and the lower end of the plugging piece 400 is abutted against the guide seat 130 and generates tension again, so that the liquid in the bottle body is extracted into the liquid storage cavity 302 through the liquid inlet 121, and at the same time, the external air enters into the gas storage cavity 303 through the first air inlet channel 140 and enters into the next cycle;

5. the utility model has the advantages that: the sealing piece 400 is arranged in the pump body 100 to open or close the mixing cavity 301 and the liquid storage cavity 302, so that a piston structure is replaced, and the elastic corrugated pipe 200 is adopted to replace metal parts such as springs, so that the foam pump is of a full-plastic structure, the production cost is reduced, the control points in the production process are greatly reduced, and the production and assembly costs are further reduced.

The pump body 100 includes:

the spray head 110, one end of the elastic corrugated pipe 200 is connected with the spray head 110, at least one first air inlet channel 140 communicated with the air storage cavity 303 and the outside is defined on the spray head 110, and a sealing part 150 which is matched with the upper end of the plugging piece 400 and separates the mixing cavity 301 and the air storage cavity 302 is arranged on the spray head 110;

the connecting seat 120 is connected to the bottle body, and the other end of the elastic corrugated tube 200 is connected with the connecting seat 120;

the guide holder 130 is arranged in the connecting holder 120, and the lower end of the plugging piece 400 is inserted into the guide holder 130.

When the spray head 110 is at the idle position, the upper end and the lower end of the blocking piece 400 respectively abut against the sealing part 150 and the guide seat 130 to close the communication between the mixing cavity 301 and the liquid storage cavity 302; when the spray head 110 is in the working position, the upper and lower ends of the blocking member 400 are separated from the sealing part 150 and the guide holder 130, respectively, to open the communication between the mixing chamber 301 and the liquid storage chamber 302, and to follow the spray head 110.

The head 110 includes:

a nozzle 111;

a first movable seat 112 connected to the nozzle 111, and a first air inlet 140 formed on the nozzle 111 and the first movable seat 112;

a sleeve 113 having one end connected to the first movable seat 112 and the other end extending into the connection seat 120, a sealing part 150 provided on an inner wall of the sleeve 113, a mixing chamber 301 formed between the nozzle 111, the first movable seat 112 and the sleeve 113, and a second air inlet duct 115 formed between the sleeve 113 and the first movable seat 112 and communicating with the mixing chamber 301 and the air storage chamber 303;

the second movable seat 114 is connected to the other end of the sleeve 113 and is abutted against the inner wall of the connecting seat 120, the liquid storage cavity 302 is formed among the sleeve 113, the second movable seat 114 and the connecting seat 120, the blocking piece 400 penetrates through the sleeve 113, and two ends of the blocking piece extend into the mixing cavity 301 and the liquid storage cavity 302 respectively; the second movable seat 114 is used for forming a sealing structure between the sleeve 113 and the connecting seat 120, so as to construct a liquid storage cavity 302, and avoid liquid from penetrating into the liquid storage cavity 301.

The connecting seat 120 is provided with at least one air return port 500 communicated with the bottle body and the air storage cavity 303, and the nozzle 110 can close the communication between the bottle body and the air storage cavity 303 when being in the idle position and can open the communication between the bottle body and the air storage cavity 303 when being in the working position; because the liquid is pumped by means of the pressure difference, the gas in the bottle needs to be replenished in the working process of the foam pump, so that when the spray head 110 moves to the working position, the communication between the bottle body and the gas storage cavity 303 can be opened, and part of the gas in the gas storage cavity 303 can enter the bottle body through the gas return port 500, and then the gas in the bottle body is replenished.

The novel foam pump also comprises a protection seat 600 which is sleeved in the elastic corrugated pipe 200 and is connected with the connecting seat 120; by providing the protection seat 600 to protect the fragile components such as the flexible bellows 200, accidental damage during transportation or use is avoided and the service life of the foam pump is improved.

Further, the plugging member 400 is provided as a pull rod, wherein the upper end of the pull rod is provided with a sealing head matched with the sealing part 150, the middle section is a straight rod, the lower end is a butt joint, the straight rod is inserted into the sleeve 113, and the butt joint is positioned in the guide seat 130.

The first air inlet channel 140 is provided with a first unidirectional conducting member 701, so that external air can enter the air storage cavity 303 through the first unidirectional conducting member 701; preferably, the first unidirectional conductive member 701 is provided as a unidirectional valve.

The connecting seat 120 is provided with a second one-way conducting piece 702 positioned at the liquid inlet 121 of the connecting seat, so that liquid in the bottle body can enter the liquid storage cavity 302 through the second one-way conducting piece 702; preferably, the second unidirectional conductive element 702 is provided as a ball.

A foam bottle comprising the foam pump.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. A novel foam pump comprising a pump body (100) and an elastic corrugated pipe (200), wherein at least one mixing cavity (301) and at least one liquid storage cavity (302) are defined in the pump body (100), and the pump body (100) is provided with an idle position and a working position and can reciprocate between the idle position and the working position; the elastic corrugated pipe (200) is connected between the bottle body and the pump body (100), at least one gas storage cavity (303) communicated with the mixing cavity (301) is defined in the elastic corrugated pipe (200), and gas in the gas storage cavity (303) and liquid in the liquid storage cavity (302) can be conveyed into the mixing cavity (301) when the pump body (100) moves from an idle position to a working position;

characterized by further comprising:

the blocking piece (400) is arranged in the pump body (100) and located between the mixing cavity (301) and the liquid storage cavity (302), and the blocking piece (400) can close communication between the mixing cavity (301) and the liquid storage cavity (302) when the pump body (100) is in an idle position and open communication between the mixing cavity (301) and the liquid storage cavity (302) when the pump body (100) is in a working position.

2. A new foam pump according to claim 1, characterized in that the pump body (100) comprises:

the spray head (110), one end of the elastic corrugated pipe (200) is connected with the spray head (110), at least one first air inlet channel (140) communicated with the air storage cavity (303) and the outside is defined on the spray head (110), and a sealing part (150) which is matched with the upper end of the plugging piece (400) and separates the mixing cavity (301) and the liquid storage cavity (302) is arranged on the spray head (110);

the connecting seat (120) is connected to the bottle body, and the other end of the elastic corrugated pipe (200) is connected with the connecting seat (120);

the guide seat (130) is arranged in the connecting seat (120), and the lower end of the plugging piece (400) is inserted into the guide seat (130);

when the spray head (110) is at the idle position, the upper end and the lower end of the plugging piece (400) are respectively abutted against the sealing part (150) and the guide seat (130) so as to close the communication between the mixing cavity (301) and the liquid storage cavity (302); when the spray head (110) is in a working position, the upper end and the lower end of the blocking piece (400) are respectively separated from the sealing part (150) and the guide seat (130) so as to open the communication between the mixing cavity (301) and the liquid storage cavity (302) and follow the spray head (110).

3. The novel foam pump of claim 2, wherein the spray head (110) comprises:

a nozzle (111);

the first movable seat (112) is connected with the nozzle (111), and the first air inlet channel (140) is formed on the nozzle (111) and the first movable seat (112);

a sleeve (113), one end of which is connected with the first movable seat (112) and the other end of which extends into the connecting seat (120), wherein the sealing part (150) is arranged on the inner wall of the sleeve (113), the mixing cavity (301) is formed between the nozzle (111), the first movable seat (112) and the sleeve (113), and a second air inlet channel (115) which is communicated with the mixing cavity (301) and the air storage cavity (303) is formed between the sleeve (113) and the first movable seat (112);

the second movable seat (114) is connected to the other end of the sleeve (113) and is abutted to the inner wall of the connecting seat (120), the liquid storage cavity (302) is formed among the sleeve (113), the second movable seat (114) and the connecting seat (120), and the plugging piece (400) penetrates through the sleeve (113) and extends into the mixing cavity (301) and the liquid storage cavity (302) at two ends.

4. A novel foam pump as claimed in claim 2, wherein: the connecting seat (120) is provided with at least one air return port (500) communicated with the bottle body and the air storage cavity (303), and the spray head (110) can close the communication between the bottle body and the air storage cavity (303) when the spray head is in an idle position and can open the communication between the bottle body and the air storage cavity (303) when the spray head is in a working position.

5. A novel foam pump as claimed in claim 2, wherein: the device also comprises a protection seat (600) which is sleeved in the elastic corrugated pipe (200) and is connected with the connection seat (120).

6. A novel foam pump as claimed in claim 2, wherein: the first air inlet channel (140) is provided with a first one-way conducting piece (701) so that external air can enter the air storage cavity (303) through the first one-way conducting piece (701).

7. The novel foam pump of claim 6, wherein: the first unidirectional conducting element (701) is arranged as a unidirectional valve.

8. A novel foam pump as claimed in claim 2, wherein: the connecting seat (120) is provided with a second one-way conducting piece (702) positioned at the liquid inlet (121) of the connecting seat, so that liquid in the bottle body can enter the liquid storage cavity (302) through the second one-way conducting piece (702).

9. A novel foam pump as set forth in claim 8, wherein: the second unidirectional flux (702) is provided as a ball.

10. A foam bottle, characterized in that: comprising a foam pump according to any one of claims 1-9.