CN217868118U

CN217868118U - Liquid pumping device for container

Info

Publication number: CN217868118U
Application number: CN202023044335.3U
Authority: CN
Inventors: 李红彪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2022-11-22
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a drawing liquid device for container, including the drawing liquid section of thick bamboo, the inside wall of drawing liquid section of thick bamboo is connected with sealedly and can be relative to the gliding movable stopper of drawing liquid section of thick bamboo, drawing liquid section of thick bamboo inner chamber forms the liquid storage chamber, so is equipped with the connecting hole cover on the drawing liquid section of thick bamboo, be equipped with the seal cover in the connecting hole cover, sliding connection has the business turn over liquid pipe that communicates with the liquid storage chamber in the seal cover, be equipped with the business turn over liquid window that can communicate with the liquid storage chamber on the business turn over liquid pipe lateral wall, be equipped with the moisturizing hole that communicates with the interior chamber of business turn over liquid pipe on the movable stopper, still be equipped with on the movable stopper and be used for controlling the moisturizing hole and open or seal so that business turn over liquid pipe inner chamber and outside intercommunication or isolated tonifying qi control structure; therefore the utility model discloses liquid spills out when can avoiding business turn over drain pipe and container separation, causes the waste, can ensure simultaneously that business turn over liquid pipe outer wall does not have residual liquid, has sanitation and hygiene, convenient operation's characteristics.

Description

Liquid pumping device for container

[ technical field ] A

The utility model relates to a draw liquid device that container was used.

[ background of the invention ]

The packaging container relates to various industries, is used for protecting commodities, has the functions of convenient storage and use, facilitating transportation, promoting sales, preventing environmental pollution, safety accidents and the like, and adopts corresponding packaging containers according to certain technical specifications for different industries and different products.

In current life, a liquid drawing device is usually adopted to achieve taking and using work during taking and using a packaging container filled with liquid, however, the existing liquid drawing device is complex in operation and difficult to use, and liquid is not smoothly discharged, so that inconvenience is caused.

When the liquid is taken by the conventional liquid pumping device to reach the use amount, the liquid pumping device needs to be separated from the container for use; because of the liquid can remain in the liquid inlet and outlet pipe of the liquid pumping device in the liquid pumping process, when the liquid pumping device is separated from the container, the liquid in the liquid inlet and outlet pipe can be scattered to the outside, and the problem of insanitation exists.

In addition, liquid remains on the outer wall of the liquid inlet and outlet pipe during use, which also causes unsanitary problems.

Therefore, the present invention has been made in view of the above problems.

[ Utility model ] content

The utility model aims at overcoming prior art's is not enough, provides a drawing liquid device that container was used, can improve the problem that prior art exists to liquid spills out when can avoiding into drain pipe and container separation through this drawing liquid device, causes the waste, can ensure simultaneously that business turn over drain pipe outer wall does not have residual liquid, has sanitation and hygiene, convenient operation's characteristics.

The utility model discloses a realize through following technical scheme:

the utility model provides a draw liquid device that container was used, includes a drawing liquid section of thick bamboo 1, drawing liquid section of thick bamboo 1 inside wall is connected with sealedly can be relative drawing liquid section of thick bamboo 1 gliding activity stopper 2, drawing liquid section of thick bamboo 1 inner chamber forms stock solution chamber 11, so be equipped with connecting hole cover 12 on the drawing liquid section of thick bamboo 1, be equipped with seal cover 121 in the connecting hole cover 12, sliding connection has the business turn over liquid pipe 3 with communicating with stock solution chamber 11 in the seal cover 121, be equipped with business turn over liquid window 311 that can communicate with stock solution chamber 11 on the business turn over drain pipe 3 lateral wall, be equipped with on the activity stopper 2 with business turn over liquid pipe 3 inner chamber communicating tonifying qi hole 21, still be equipped with on the activity stopper 2 and be used for controlling tonifying qi hole 21 and open or seal so that business turn over drain pipe 3 inner chamber and outside intercommunication or isolated tonifying qi control structure.

The liquid pumping device for the container is characterized in that the air supply control structure is a one-way air inlet valve 22 which is arranged on the movable plug 2 and used for controlling the opening or closing of the air supply hole 21.

The liquid pumping device for the container is characterized in that the sealing sleeve 121 is made of deformable silica gel material.

The liquid pumping device for the container is characterized in that a clamping structure 4 which can move together with the liquid inlet and outlet pipe 3 relative to the liquid pumping cylinder 1 when the movable plug 2 moves relative to the liquid pumping cylinder 1 is arranged between the liquid inlet and outlet pipe 3 and the movable plug 2.

The liquid pumping device for the container is characterized in that the clamping structure 4 comprises a static clamping block 41 arranged on the movable plug 2, and a movable clamping block 42 capable of being clamped and connected with the static clamping block 41 is arranged on the liquid inlet and outlet pipe 3.

The liquid pumping device for the container is characterized in that the liquid inlet and outlet pipe 3 is provided with a limit stopper 34 which can be matched with the lower end wall of the connecting hole sleeve 12 for limiting so as to prevent the liquid inlet and outlet pipe 3 or the movable plug 2 from being separated from the upper port of the liquid pumping cylinder 1.

The liquid pumping device for the container is characterized in that the liquid inlet and outlet pipe 3 comprises an upper pipe 31 connected with the sealing sleeve 121 in a sliding manner and a lower pipe 33 connected with the upper pipe 31 in a movable and sealed manner, and a first control structure 5 capable of controlling the communication or isolation of the inner cavity of the liquid inlet and outlet pipe 3 with the outside is arranged between the lower pipe 33 and the upper pipe 31.

The liquid pumping device for a container as described above is characterized in that the first control structure 5 includes a first stationary liquid outlet 51 disposed on a side wall of the upper tube 31, and a first moving liquid outlet 52 disposed on a side wall of the lower tube 33 and capable of aligning with or misaligning with the first stationary liquid outlet 51 when the lower tube 33 moves relative to the upper tube 31.

The liquid pumping device for the container is characterized in that a limiting structure 6 which can be matched with the first control structure 5 to control the communication or isolation of the inner cavity of the liquid inlet and outlet pipe 3 and the outside is arranged between the lower pipe 33 and the upper pipe 31.

The liquid pumping device for the container is characterized in that the limiting structure 6 comprises a limiting protrusion 61 arranged on the inner side wall of the upper pipe 31, and a limiting groove 62 capable of being matched with the limiting protrusion 61 for limiting is arranged on the side wall of the lower pipe 33.

The liquid pumping device for the container is characterized in that the upper pipe 31 and the movable plug 2 are of an integrally formed structure.

The liquid pumping device for the container is characterized in that the liquid inlet and outlet pipe 3 comprises an upper pipe 31 connected with a sealing sleeve 121 in a sliding manner, a middle pipe 32 is connected in the upper pipe 31 in a sliding and sealing manner, the middle pipe 32 is movably and sealingly connected with a lower pipe 33, a limiting structure 7 capable of enabling the middle pipe 32 to stretch or fix relative to the upper pipe 31 is arranged between the lower pipe 33 and the upper pipe 31, and a second control structure 8 capable of controlling the inner cavity of the liquid inlet and outlet pipe 3 to be communicated or isolated with the outside is arranged between the lower pipe 33 and the middle pipe 32.

An apparatus for extracting liquids from containers, as mentioned above, characterized in that said limiting structure 7 comprises an upper limiting column 71 provided inside the upper tube 31, said lower tube 33 being provided with a lower limiting column 72 able to be aligned or misaligned with the upper limiting column 71 when the lower tube 33 is moved with respect to the upper tube 31.

The liquid pumping device for the container is characterized in that the second control structure 8 includes a second stationary liquid outlet 81 disposed on a side wall of the middle tube 32, and a second movable liquid outlet 82 capable of aligning or misaligning with the second stationary liquid outlet 81 when the lower tube 33 moves relative to the upper tube 31 is disposed on a side wall of the lower tube 33.

A liquid pumping device for a container comprises a liquid pumping barrel 1, wherein a movable plug 2 capable of sliding relative to the liquid pumping barrel 1 is hermetically connected to the inner side wall of the liquid pumping barrel 1, a liquid storage cavity 11 is formed in the inner cavity of the liquid pumping barrel 1, a connecting hole sleeve 12 is arranged on the liquid pumping barrel 1, a sealing sleeve 121 is arranged in the connecting hole sleeve 12, a liquid inlet and outlet pipe 3 communicated with the liquid storage cavity 11 is connected in the sealing sleeve 121 in a sliding mode, a liquid inlet and outlet window 311 capable of being communicated with the liquid storage cavity 11 is arranged on the side wall of the liquid inlet and outlet pipe 3, an air replenishing through hole 35 capable of being communicated with the outside when liquid pumping is completed and the liquid inlet and outlet window 311 is blocked by the sealing sleeve 121 when liquid inlet and outlet window 311 is plugged, and a clamping structure 4 capable of moving relative to the liquid pumping barrel 1 together with the liquid inlet and outlet pipe 3 when the movable plug 2 moves relative to the liquid pumping barrel 1 is arranged between the liquid inlet and outlet pipe 3 and the movable plug 2.

The liquid pumping device for the container is characterized in that the liquid inlet and outlet pipe 3 is provided with a limit stopper 34 which can be matched with the lower end wall of the connecting hole sleeve 12 for limiting so as to prevent the movable plug 2 from being separated from the upper port of the liquid pumping cylinder 1.

A liquid pumping device for a container comprises a liquid pumping barrel 1, wherein a movable plug 2 capable of sliding relative to the liquid pumping barrel 1 is hermetically connected to the inner side wall of the liquid pumping barrel 1, a liquid storage cavity 11 is formed in the inner cavity of the liquid pumping barrel 1, a connecting hole sleeve 12 is arranged on the liquid pumping barrel 1, a sealing sleeve 121 is arranged in the connecting hole sleeve 12, a liquid inlet and outlet pipe 3 communicated with the liquid storage cavity 11 is connected in the sealing sleeve 121 in a sliding mode, a liquid inlet and outlet window 311 capable of being communicated with the liquid storage cavity 11 is arranged on the side wall of the liquid inlet and outlet pipe 3, an air supplementing through hole 35 capable of being isolated from the outside during liquid pumping and being communicated with the outside during liquid pumping is arranged on the side wall of the liquid inlet and outlet pipe 3 and located on the lower side of the liquid inlet and outlet window 311, and a clamping structure 4 capable of moving relative to the liquid pumping barrel 1 together with the liquid inlet and outlet pipe 3 during movement of the movable plug 2 relative to the liquid pumping barrel 1 is arranged between the liquid inlet and outlet pipe 3 and the movable plug 2.

The liquid extracting device for the container is characterized in that the liquid inlet and outlet pipe 3 is provided with a limit stopper 34 which can be matched with the lower end wall of the connecting hole sleeve 12 for limiting so as to prevent the movable plug 2 from being separated from the upper port of the liquid extracting barrel 1.

The liquid pumping device for the container is characterized in that the air supply through hole 35 comprises an upper through hole 351 formed in the side wall of the upper tube 31, and a lower through hole 352 which can be aligned with or misaligned with the upper through hole 351 when the lower tube 33 moves relative to the upper tube 31 so as to enable the inner cavity of the liquid inlet/outlet tube 3 to be communicated with or isolated from the outside is formed in the side wall of the lower tube 33.

The utility model provides a pumping unit that container was used, includes a

liquid suction cylinder

1, 1 inside wall of liquid suction cylinder is connected with sealed the gliding activity of 1 stopper 2 of liquid suction cylinder relatively, 1 inner chamber of liquid suction cylinder forms stock solution chamber 11, so be equipped with connection hole cover 12 on the liquid suction cylinder 1, be equipped with seal cover 121 in the connection hole cover 12, sliding connection has the communicating business turn over liquid pipe 3 with stock solution chamber 11 in the seal cover 121, be equipped with business turn over liquid window 311 that can communicate with stock solution chamber 11 on the 3 lateral walls of business turn over liquid pipe, business turn over liquid pipe 3 and activity stopper 2 are the integrated into one piece structure.

Compared with the prior art, the utility model has the advantages of as follows:

1. the utility model discloses a liquid suction tube, the inside wall of liquid suction tube is connected with the movable stopper that can slide relatively to liquid suction tube sealedly, the inner chamber of liquid suction tube forms the liquid storage chamber, so be equipped with the connecting hole cover on the liquid suction tube, be equipped with the seal cover in the connecting hole cover, sliding connection has the business turn over liquid pipe that communicates with the liquid storage chamber in the seal cover, be equipped with the business turn over liquid window that can communicate with the liquid storage chamber on the business turn over liquid pipe lateral wall, be equipped with the moisturizing hole that communicates with the business turn over liquid pipe inner chamber on the movable stopper, still be equipped with on the movable stopper and be used for controlling the moisturizing hole and open or seal so that business turn over liquid pipe inner chamber and outside intercommunication or isolated tonifying qi control structure; when liquid is pumped, the lower end of the liquid inlet and outlet pipe is communicated with the inner cavity of the container, the lower end of the liquid inlet and outlet pipe abuts against the opening or the outer wall of the container, the liquid pumping cylinder is operated to move towards one side of the container, the upper end of the liquid inlet and outlet pipe pushes the movable plug to move upwards relative to the liquid pumping cylinder, liquid in the inner cavity of the container enters the liquid storage cavity from the liquid inlet and outlet pipe through the liquid inlet and outlet window, when the liquid in the liquid storage cavity reaches a required amount, the air supply control structure is operated to open the air supply hole to communicate the outside with the inner cavity of the liquid inlet and outlet pipe, residual liquid in the liquid inlet and outlet pipe flows back into the container under the action of external atmospheric pressure, and after all liquid in the liquid inlet and outlet pipe flows back into the container, the liquid inlet and outlet pipe is completely separated from the container, so that the liquid is prevented from spilling when the liquid inlet and outlet pipe is separated from the container, waste is avoided, and meanwhile, a sealing sleeve is arranged in the connecting hole sleeve, so that no residual liquid exists on the outer wall of the liquid inlet and outlet pipe when the liquid pumping pipe is used, and the characteristics of the liquid pumping device are clean and convenient to operate.

2. The utility model discloses a liquid suction tube, the inside wall of liquid suction tube is connected with the gliding movable plug of ability relative liquid suction tube sealedly, the inner chamber of liquid suction tube forms the stock solution chamber, so be equipped with the connecting hole cover on the liquid suction tube, be equipped with the seal cover in the connecting hole cover, sliding connection has the business turn over liquid pipe that communicates with the stock solution chamber in the seal cover, be equipped with business turn over liquid window that can communicate with the stock solution chamber on the business turn over liquid pipe lateral wall, the business turn over liquid window that is located on the business turn over liquid window lateral wall is equipped with and isolates with the outside when drawing liquid and can communicate with the outside when business turn over liquid window is plugged up by the seal cover in the liquid window, be equipped with the screens structure that can move together with business turn over liquid pipe relative liquid suction tube when the movable plug moves relative liquid suction tube between business turn over liquid pipe and the movable plug; when liquid is pumped, the lower end port of the liquid inlet and outlet pipe is communicated with the inner cavity of the container, the lower end of the liquid inlet and outlet pipe abuts against the opening or the outer wall of the container, the liquid pumping cylinder is operated to move towards one side of the container, the upper end of the liquid inlet and outlet pipe pushes the movable plug to move upwards relative to the liquid pumping cylinder, liquid in the inner cavity of the container enters the liquid storage cavity from the liquid inlet and outlet pipe through the liquid inlet and outlet window, when the liquid in the liquid storage cavity reaches a required amount, the liquid inlet and outlet pipe is operated to separate from the movable plug, then the liquid pumping cylinder is operated to separate from the container, the liquid inlet and outlet pipe slides relative to the liquid pumping cylinder in the process, when the liquid pumping cylinder moves to the position where the liquid inlet and outlet sealing sleeve seals the liquid window, the air supplementing through hole is communicated with the outside, residual liquid in the liquid inlet and outlet pipe flows back into the container under the action of external atmospheric pressure, the liquid inlet and outlet pipe is completely separated from the container after all liquid in the liquid inlet and outlet pipe flows back into the container, the liquid is separated from the liquid inlet and outlet pipe, waste is avoided, and the connection hole is provided with the sealing sleeve, the characteristic that the sanitary liquid inlet and the outer wall is convenient to operate.

3. The utility model discloses a liquid suction tube, the inside wall of liquid suction tube is connected with the movable stopper that can slide relatively to liquid suction tube sealedly, the inner chamber of liquid suction tube forms the liquid storage chamber, so be equipped with the connecting hole cover on the liquid suction tube, be equipped with the seal cover in the connecting hole cover, sliding connection has the business turn over liquid pipe that communicates with the liquid storage chamber in the seal cover, be equipped with the business turn over liquid window that can communicate with the liquid storage chamber on the business turn over liquid pipe lateral wall, the business turn over liquid pipe lateral wall and lie in business turn over liquid window downside be equipped with the tonifying qi through-hole that isolates with the outside when drawing liquid and can communicate with the outside when drawing liquid is accomplished, be equipped with the screens structure that can move relatively to liquid suction tube together with business turn over liquid pipe when the movable stopper moves relatively to liquid suction tube between business turn over liquid pipe and the movable stopper; when liquid is pumped, the lower end of the liquid inlet and outlet pipe is communicated with the inner cavity of the container, the lower end of the liquid inlet and outlet pipe abuts against the opening or the outer wall of the container, the liquid pumping cylinder is operated to move towards one side of the container, liquid in the inner cavity of the container enters the liquid storage cavity from the liquid inlet and outlet pipe through the liquid inlet and outlet window, when the liquid in the liquid storage cavity reaches a required amount, the inner cavity of the liquid inlet and outlet pipe is communicated with the outside through the air replenishing through hole, residual liquid in the liquid inlet and outlet pipe flows back into the container under the action of external atmospheric pressure, and the liquid inlet and outlet pipe is completely separated from the container after all liquid in the liquid inlet and outlet pipe flows back into the container.

4. The utility model discloses a liquid suction tube, the inside wall of the liquid suction tube is connected with a movable plug which can slide relative to the liquid suction tube in a sealing way, the inner cavity of the liquid suction tube forms a liquid storage cavity, so a connecting hole sleeve is arranged on the liquid suction tube, a sealing sleeve is arranged in the connecting hole sleeve, a liquid inlet and outlet pipe which is communicated with the liquid storage cavity is connected in the sealing sleeve in a sliding way, the side wall of the liquid inlet and outlet pipe is provided with a liquid inlet and outlet window which can be communicated with the liquid storage cavity, and the liquid inlet and outlet pipe and the movable plug are in an integrated structure; the utility model discloses a be equipped with the seal cover in the connecting hole cover, can ensure business turn over liquid pipe outer wall and do not have residual liquid when using, have sanitation and hygiene, convenient operation's characteristics.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a cross-sectional view of a first embodiment of a first aspect of the present invention;

fig. 2 is a cross-sectional view of a second embodiment of a first aspect of the present invention;

fig. 3 is a cross-sectional view of a third embodiment of the first embodiment of the present invention;

fig. 4 is a cross-sectional view of a fourth embodiment of the first aspect of the present invention;

fig. 5 is a cross-sectional view of a fifth embodiment of a first aspect of the present invention;

fig. 6 is a cross-sectional view of a sixth embodiment of the first aspect of the present invention;

fig. 7 is a sectional view of a second embodiment of the present invention;

fig. 8 is a sectional view of a third embodiment of the present invention;

fig. 9 is a sectional view of a fourth embodiment of the present invention.

[ detailed description ] embodiments

The following describes embodiments of the present invention in detail with reference to fig. 1 to 9.

The first scheme comprises the following steps:

as shown in fig. 1-6, the utility model relates to a pumping unit that container was used, including a

liquid suction cylinder

1, 1 inside wall of liquid suction cylinder is connected with the gliding activity of 1 movable stopper 2 of liquid suction cylinder relatively hermetically, 1 inner chamber of liquid suction cylinder forms stock solution chamber 11, so be equipped with connection hole cover 12 on the liquid suction cylinder 1, be equipped with seal cover 121 in the connection hole cover 12, sliding connection has the business turn over liquid pipe 3 with stock solution chamber 11 communicating in the seal cover 121, be equipped with business turn over liquid window 311 that can communicate with stock solution chamber 11 on the business turn over liquid pipe 3 lateral wall, be equipped with on the activity stopper 2 with business turn over liquid pipe 3 inner chamber communicating tonifying gas pocket 21, still be equipped with on the activity stopper 2 and be used for controlling tonifying gas pocket 21 to open or seal so that business turn over liquid pipe 3 inner chamber and outside intercommunication or isolated tonifying gas control structure. When liquid is pumped, the lower end of the liquid inlet and outlet pipe is communicated with the inner cavity of the container, the lower end of the liquid inlet and outlet pipe abuts against the opening or the outer wall of the container, the liquid pumping cylinder is operated to move towards one side of the container, the upper end of the liquid inlet and outlet pipe pushes the movable plug to move upwards relative to the liquid pumping cylinder, liquid in the inner cavity of the container enters the liquid storage cavity from the liquid inlet and outlet pipe through the liquid inlet and outlet window, when the liquid in the liquid storage cavity reaches a required amount, the air replenishing hole is operated to open to communicate the outside with the inner cavity of the liquid inlet and outlet pipe, residual liquid in the liquid inlet and outlet pipe flows back into the container under the action of external atmospheric pressure, the liquid inlet and outlet pipe is completely separated from the container after all liquid in the liquid inlet and outlet pipe flows back into the container, liquid can be prevented from spilling when the liquid inlet and outlet pipe is separated from the container, waste is caused, and meanwhile, a sealing sleeve is arranged in the connecting hole sleeve, so that no residual liquid exists on the outer wall of the liquid inlet and outlet pipe, and the characteristics of the liquid inlet and the liquid pumping cylinder are clean and convenient to operate.

The movable plug can move relative to the liquid pumping cylinder by operating the scheme, and further moves together with the liquid inlet and outlet pipe.

As shown in fig. 1-6, the air supply control structure is a one-way air inlet valve 22 disposed on the movable plug 2 for controlling the opening or closing of the air supply hole 21 according to design requirements.

As shown in fig. 1 to 6, in order to prevent the liquid from remaining on the outer wall of the liquid inlet and outlet pipe and prevent the liquid in the liquid storage cavity from flowing out of the connection hole sleeve, the sealing sleeve 121 is made of a deformable silicone material.

As shown in fig. 1 and 4, according to design requirements, a clamping structure 4 capable of moving relative to the liquid suction tube 1 together with the liquid inlet and outlet tube 3 when the movable stopper 2 moves relative to the liquid suction tube 1 is disposed between the liquid inlet and outlet tube 3 and the movable stopper 2.

As shown in fig. 1 and 4, according to design requirements, the clamping structure 4 includes a stationary clamping block 41 disposed on the movable plug 2, and the liquid inlet and outlet pipe 3 is provided with a movable clamping block 42 capable of being clamped by the stationary clamping block 41. When the device is used, the movable clamping block 42 can be clamped or separated from the static clamping block 41 by operating the liquid inlet and outlet pipe 3 to rotate.

As shown in fig. 1-6, the liquid inlet and outlet pipe 3 is provided with a limit stopper 34 which can be matched with the lower end wall of the connection hole sleeve 12 for limiting so as to prevent the liquid inlet and outlet pipe 3 or the movable plug 2 from being separated from the upper port of the liquid suction cylinder 1. When liquid is pumped, namely the movable plug moves upwards relative to the liquid pumping cylinder, the movable plug can be prevented from being separated from the liquid pumping cylinder by the limit stopper 34 which is matched with the lower end wall limit of the connecting hole sleeve 12, so that the stable operation of the utility model is ensured, and meanwhile, whether the first control structure 5 and the second control structure 8 are positioned in the liquid storage cavity or not can be conveniently known, namely when the limit stopper 34 is abutted against the lower end wall of the connecting hole sleeve 12, the first control structure 5 and the second control structure 8 are positioned in the liquid storage cavity; the movement of the liquid inlet and outlet pipes can be conveniently operated by acting the limit stop piece 34.

As shown in fig. 2, 3 and 4, the liquid inlet and outlet pipe 3 includes an upper pipe 31 slidably connected to the sealing sleeve 121 and a lower pipe 33 movably and sealingly connected to the upper pipe 31, and a first control structure 5 capable of controlling the communication or isolation between the inner cavity of the liquid inlet and outlet pipe 3 and the outside is disposed between the lower pipe 33 and the upper pipe 31.

According to the design requirement, the first control structure 5 includes a first stationary liquid outlet 51 disposed on the sidewall of the upper tube 31, and a first moving liquid outlet 52 capable of aligning or dislocating with the first stationary liquid outlet 51 when the lower tube 33 moves relative to the upper tube 31 is disposed on the sidewall of the lower tube 33. When a certain amount of liquid is filled in the liquid storage cavity, and simultaneously when the first control structure 5 is positioned in the liquid storage cavity, the operation lower tube 33 moves relative to the upper tube 31 to enable the first movable liquid outlet 52 to be aligned and communicated with the first static liquid outlet 51, so that the inner cavity of the liquid inlet and outlet tube is communicated with the liquid storage cavity, and simultaneously, the operation air supply control structure opens the air supply hole, so that the liquid in the liquid storage cavity flows into the liquid inlet and outlet tube 3 through the first static liquid outlet 51 and the first movable liquid outlet 52, and then flows out from the lower end opening of the liquid inlet and outlet tube 3, and the liquid outlet control structure has the characteristic of convenience in liquid outlet.

As shown in fig. 2 and 4, a limiting structure 6 is disposed between the lower tube 33 and the upper tube 31, and the limiting structure can cooperate with the first control structure 5 to control the communication or isolation between the inner cavity of the liquid inlet/outlet tube 3 and the outside.

According to the design demand, for the convenience of controlling first control structure 5 and with business turn over liquid pipe inner chamber and outside intercommunication or isolated, limit structure 6 is including establishing spacing arch 61 on the upper tube 31 inside wall, be equipped with on the lower tube 33 lateral wall and can cooperate spacing recess 62 that spacing arch 61 is spacing.

As shown in fig. 2 and 3, the upper tube 31 and the movable plug 2 are integrally formed to reduce the manufacturing cost.

As shown in fig. 5 and 6, the liquid inlet and outlet pipe 3 includes an upper pipe 31 slidably connected to the sealing sleeve 121, a middle pipe 32 is slidably and sealingly connected to the upper pipe 31, a lower pipe 33 is movably and sealingly connected to the middle pipe 32, a limiting structure 7 capable of enabling the middle pipe 32 to be telescopic or fixed relative to the upper pipe 31 is disposed between the lower pipe 33 and the upper pipe 31, and a second control structure 8 capable of controlling the inner cavity of the liquid inlet and outlet pipe 3 to be communicated or isolated with the outside is disposed between the lower pipe 33 and the middle pipe 32.

Further, the limiting structure 7 comprises an upper limiting column 71 arranged inside the upper tube 31, and a lower limiting column 72 arranged inside the lower tube 33 and capable of aligning or misaligning with the upper limiting column 71 when the lower tube 33 is moved relative to the upper tube 31. When in use, the lower pipe 33 is controlled to move relative to the upper pipe 31, so that the lower limiting column 72 can be aligned with or dislocated from the upper limiting column 71, and the middle pipe 32 can be stretched or fixed relative to the upper pipe 31; if during the liquid extraction, the lower tube 33 is operated to move relative to the upper tube 31 so that the lower limiting column 72 is aligned with the upper limiting column 71, the middle tube 32 can be fixed relative to the upper tube 31 and the middle tube 32 extends out of the upper tube 31, after the liquid extraction is finished, the lower tube 33 is operated to move relative to the upper tube 31 so that the lower limiting column 72 is dislocated with the upper limiting column 71, the middle tube 32 can be retracted into the upper tube 31, and the liquid extraction device has the characteristics of reasonable design and space saving.

Further, the second control structure 8 includes a second stationary liquid outlet 81 disposed on the side wall of the middle tube 32, and a second movable liquid outlet 82 capable of aligning or dislocating with the second stationary liquid outlet 81 when the lower tube 33 moves relative to the upper tube 31 is disposed on the side wall of the lower tube 33. When a certain amount of liquid is filled in the liquid storage cavity, and the second control structure 8 is positioned in the liquid storage cavity, the lower operation pipe 33 moves relative to the middle pipe 32, so that the second movable liquid outlet 82 is aligned and communicated with the second static liquid outlet 81, the inner cavity of the liquid inlet and outlet pipe is communicated with the liquid storage cavity, and the air supply hole is opened by the air supply control structure, so that the liquid in the liquid storage cavity flows into the liquid inlet and outlet pipe through the second static liquid outlet 81 and the second movable liquid outlet 82, and then flows out from the lower port of the liquid inlet and outlet pipe.

As shown in fig. 5 and 6, in order to facilitate the control of the second control structure 8, the inner cavity of the liquid inlet/outlet tube is communicated with the outside, and a positioning and clamping structure 80 is disposed between the middle tube 32 and the upper tube 31, which can cooperate with the second control structure 8 to control the communication or isolation of the inner cavity of the liquid inlet/outlet tube 3 with the outside. The structure of the positioning and clamping structure 80 is the same as that of the limiting structure 6.

As shown in fig. 5, the upper tube 31 and the movable plug 2 are integrally formed to reduce the manufacturing cost.

For convenience of use, a holding part for a user to hold is arranged on the liquid pumping cylinder 1 or the movable plug 2.

The working principle of the first embodiment in the first scheme is as follows:

as shown in fig. 1, during liquid pumping, the lower end of the liquid inlet/outlet pipe 3 is communicated with the inner cavity of the container, and the lower end of the liquid inlet/outlet pipe 3 abuts against the mouth or the outer wall of the container, the liquid pumping barrel 1 is operated to move towards one side of the container, so that the upper end of the liquid inlet/outlet pipe 3 pushes the movable plug 2 to move upwards relative to the liquid pumping barrel 1, the liquid in the inner cavity of the container enters the liquid storage cavity 11 from the liquid inlet/outlet pipe 3 through the liquid inlet/outlet window 311, when the liquid in the liquid storage cavity 11 reaches a required amount, the one-way air inlet valve 22 is operated to open the air supply hole 21 to communicate the outside with the inner cavity of the liquid inlet/outlet pipe 3, the residual liquid in the liquid inlet/outlet pipe 3 flows back into the container under the action of external atmospheric pressure, after the liquid in the liquid inlet/outlet pipe 3 completely flows back into the container, the liquid inlet/outlet pipe 3 is completely separated from the container, the liquid can be prevented from being spilled out when the liquid inlet/outlet pipe 3 is separated from the container, and wasted, and meanwhile, the sealing sleeve 121 is arranged in the connecting hole 12, so that no residual liquid is left on the outer wall of the liquid inlet/outlet pipe 3, and the outer wall of the container can be ensured.

The working principle of the second, third and fourth embodiments in the first scheme is as follows:

as shown in fig. 2 and 3, during liquid pumping, the lower end of the liquid inlet/outlet pipe 3 is communicated with the inner cavity of the container, and the lower end of the liquid inlet/outlet pipe 3 abuts against the mouth or the outer wall of the container, the liquid pumping barrel 1 is operated to move towards one side of the container, so that the upper end of the liquid inlet/outlet pipe 3 pushes the movable plug 2 to move upwards relative to the liquid pumping barrel 1, the liquid in the inner cavity of the container enters the liquid storage cavity 11 from the liquid inlet/outlet pipe 3 through the liquid inlet/outlet window 311, when the liquid in the liquid storage cavity 11 reaches a required amount, the one-way air inlet valve 22 is operated to open the air supply hole 21 to communicate the outside with the inner cavity of the liquid inlet/outlet pipe 3, the residual liquid in the liquid inlet/outlet pipe 3 flows back into the container under the action of external atmospheric pressure, after the liquid in the liquid inlet/outlet pipe 3 completely flows back into the container, the liquid inlet/outlet pipe 3 is completely separated from the container, the liquid can be prevented from being spilled out when the liquid inlet/outlet pipe 3 is separated from the container, and wasted, and meanwhile, the sealing sleeve 121 is arranged in the connecting hole sleeve 12, so that no residual liquid is left on the outer wall of the liquid inlet/outlet pipe 3. In the second and fourth embodiments, the lower tube 33 is operated to rotate relative to the upper tube 31 so as to align or misalign the first moving liquid outlet 52 with the first stationary liquid outlet 51; in the third embodiment, the lower tube 33 is operated to move up and down relative to the upper tube 31, so that the first moving liquid outlet 52 is aligned with or misaligned with the first stationary liquid outlet 51.

When the liquid is poured, when the first control structure 5 is positioned outside the liquid storage cavity, the liquid in the liquid storage cavity flows into the liquid inlet and outlet pipe from the liquid inlet and outlet window and then flows out from the lower port of the liquid inlet and outlet pipe; alternatively, when the first control structure 5 is in the reservoir chamber, the first mobile liquid outlet 52 is operated to communicate in alignment with the first stationary liquid outlet 51 and the one-way inlet valve is opened, thereby enabling liquid in the reservoir chamber to flow from the first control structure 5 into the inlet/outlet tube and then out of the lower port of the inlet/outlet tube.

The working principle of the fifth and sixth embodiments in the first embodiment is the same as that of the second and third embodiments in the first embodiment.

Scheme II:

as shown in fig. 7, the utility model relates to a drawing liquid device that container was used, including drawing liquid section of thick bamboo 1, drawing liquid section of thick bamboo 1 inside wall is connected with sealed sliding movable stopper 2 of drawing liquid section of thick bamboo 1 relatively, drawing liquid section of thick bamboo 1 inner chamber forms stock solution chamber 11, so be equipped with connection hole cover 12 on the drawing liquid section of thick bamboo 1, be equipped with seal cover 121 in the connection hole cover 12, sliding connection has the business turn over liquid pipe 3 communicating with stock solution chamber 11 in the seal cover 121, be equipped with business turn over liquid window 311 that can communicate with stock solution chamber 11 on the business turn over liquid pipe 3 lateral wall, it is equipped with when drawing liquid with the outside isolated and accomplish and when business turn over liquid window 311 is plugged up the tonifying qi through-hole 35 that can communicate with the outside by the seal cover with business turn over liquid chamber 11 to advance on the drain pipe 3 lateral wall and be equipped with the clamping structure 4 that business turn over liquid section of thick bamboo 1 moves about when drawing liquid section of thick bamboo 1 is drawn liquid to the relative of drawing liquid section of thick bamboo 2 when advancing drain pipe 3 and movable stopper 2 between advance. When liquid is pumped, the lower end port of the liquid inlet and outlet pipe is communicated with the inner cavity of the container, the lower end of the liquid inlet and outlet pipe abuts against the opening or the outer wall of the container, the liquid pumping cylinder is operated to move towards one side of the container, the upper end of the liquid inlet and outlet pipe pushes the movable plug to move upwards relative to the liquid pumping cylinder, liquid in the inner cavity of the container enters the liquid storage cavity from the liquid inlet and outlet pipe through the liquid inlet and outlet window, when the liquid in the liquid storage cavity reaches a required amount, the liquid inlet and outlet pipe is operated to separate from the movable plug, then the liquid pumping cylinder is operated to separate from the container, the liquid inlet and outlet pipe slides relative to the liquid pumping cylinder in the process, when the liquid pumping cylinder moves to the position of the liquid inlet and outlet sealing sleeve blocking the liquid window, the air-supply through hole is communicated with the outside, residual liquid in the liquid inlet and outlet pipe flows back into the container under the action of external atmospheric pressure, the liquid inlet and outlet pipe is completely separated from the container, the liquid inlet and outlet pipe is prevented from spilling when the liquid pipe is separated from the container, waste is avoided, and meanwhile, the sealing sleeve is provided with the characteristic of sanitary and the operation is convenient.

The second solution can also move together with the liquid inlet and outlet pipe by operating the movable plug to move relative to the liquid pumping cylinder.

As shown in fig. 7, according to design requirements, the locking structure 4 includes a stationary locking block 41 disposed on the movable plug 2, and a movable locking block 42 capable of being locked with the stationary locking block 41 is disposed on the liquid inlet and outlet pipe 3. When in use, the liquid inlet and outlet pipe is controlled to be connected with or separated from the movable plug through the clamping structure 4 according to the use requirement.

As shown in fig. 7, the liquid inlet and outlet pipe 3 is provided with a limit stopper 34 which can limit the position of the lower end wall of the connection hole sleeve 12 to prevent the movable plug 2 from separating from the upper port of the liquid extraction cylinder 1. When drawing liquid, when the relative drawing liquid section of thick bamboo of activity stopper up moved promptly, through spacing stopper 34 cooperation connecting hole cover 12 lower end wall spacing can prevent that the activity stopper from breaking away from with the drawing liquid section of thick bamboo, ensure the utility model discloses steady operation to can be convenient for operate the activity of liquid inlet and outlet pipe.

As shown in fig. 7, in order to prevent the liquid from remaining on the outer wall of the liquid inlet and outlet pipe and prevent the liquid in the liquid storage cavity from flowing out of the connection hole sleeve, the sealing sleeve 121 is made of a deformable silicone material.

The third scheme is as follows:

as shown in fig. 8, the utility model relates to a drawing liquid device that container was used, including a drawing liquid section of thick bamboo 1, 1 inside wall of a drawing liquid section of thick bamboo is connected with sealed sliding movable stopper 2 of a drawing liquid section of thick bamboo 1 relatively, 1 inner chamber of a drawing liquid section of thick bamboo forms stock solution chamber 11, so be equipped with connection hole cover 12 on the drawing liquid section of thick bamboo 1, be equipped with seal cover 121 in the connection hole cover 12, sliding connection has the business turn over liquid pipe 3 communicating with stock solution chamber 11 in the seal cover 121, be equipped with business turn over liquid window 311 that can communicate with stock solution chamber 11 on the business turn over drain pipe 3 lateral wall, it is equipped with when drawing liquid with the outside isolated and can with the tonifying qi through-hole 35 of outside intercommunication when drawing liquid is accomplished to just be located business turn over liquid window 311 downside on 3 lateral wall of business turn over the drain pipe, it can be along with the screens structure 4 of the activity of a drawing liquid section of thick bamboo 1 relatively of a drawing liquid of a drain pipe 3 when movable stopper 2 is movable to advance between drain pipe 3 and the movable stopper 2 and the activity. When liquid is pumped, the lower end of the liquid inlet and outlet pipe is communicated with the inner cavity of the container, the lower end of the liquid inlet and outlet pipe abuts against the opening or the outer wall of the container, the liquid pumping cylinder is operated to move towards one side of the container, liquid in the inner cavity of the container enters the liquid storage cavity from the liquid inlet and outlet pipe through the liquid inlet and outlet window, when the liquid in the liquid storage cavity reaches a required amount, the inner cavity of the liquid inlet and outlet pipe is communicated with the outside through the air replenishing through hole, residual liquid in the liquid inlet and outlet pipe flows back into the container under the action of external atmospheric pressure, and the liquid inlet and outlet pipe is completely separated from the container after all liquid in the liquid inlet and outlet pipe flows back into the container.

As shown in fig. 8, the locking structure 4 includes a static locking block 41 disposed on the movable plug 2, and the liquid inlet/outlet pipe 3 is provided with a movable locking block 42 capable of locking the static locking block 41. When in use, the liquid inlet and outlet pipe is controlled to be connected with or separated from the movable plug through the clamping structure 4 according to the use requirement.

As shown in fig. 8, the liquid inlet and outlet pipe 3 is provided with a limit stopper 34 which can limit the position of the lower end wall of the connection hole sleeve 12 to prevent the movable plug 2 from separating from the upper port of the liquid extraction cylinder 1. When drawing liquid, when the relative drawing liquid section of thick bamboo of activity stopper up moved promptly, through spacing fender 34 cooperation connecting hole cover 12 lower end wall spacing can prevent that the activity stopper from breaking away from with the drawing liquid section of thick bamboo, ensure the utility model discloses steady operation to can be convenient for operate the activity of liquid inlet and outlet pipe.

As shown in fig. 8, in order to prevent the liquid from remaining on the outer wall of the liquid inlet and outlet pipe and prevent the liquid in the liquid storage chamber from flowing out of the connection hole sleeve, the sealing sleeve 121 is made of a deformable silicone material.

As shown in fig. 8, the liquid inlet and outlet pipe 3 includes an upper pipe 31 slidably connected to the sealing sleeve 121 and a lower pipe 33 movably and sealingly connected to the upper pipe 31, and a first control structure 5 capable of controlling the communication or isolation between the inner cavity of the liquid inlet and outlet pipe 3 and the outside is disposed between the lower pipe 33 and the upper pipe 31.

As shown in fig. 8, the first control structure 5 includes a first stationary liquid outlet 51 disposed on a sidewall of the upper tube 31, and a first moving liquid outlet 52 disposed on a sidewall of the lower tube 33 and capable of aligning with or misaligning with the first stationary liquid outlet 51 when the lower tube 33 moves relative to the upper tube 31. When a certain amount of liquid is filled in the liquid storage cavity, and simultaneously the first control structure 5 is positioned in the liquid storage cavity, the lower operation pipe 33 moves relative to the upper pipe 31 to enable the first movable liquid outlet 52 to be aligned and communicated with the first static liquid outlet 51, so that the inner cavity of the liquid inlet and outlet pipe is communicated with the liquid storage cavity, and meanwhile, the inner cavity of the liquid inlet and outlet pipe is communicated with the outside through the air supply through hole, so that the liquid in the liquid storage cavity flows into the liquid inlet and outlet pipe through the first static liquid outlet 51 and the first movable liquid outlet 52, and then flows out from the lower port of the liquid inlet and outlet pipe.

As shown in fig. 8, the gas supply through hole 35 includes an upper through hole 351 formed in a side wall of the upper tube 31, and a lower through hole 352 formed in a side wall of the lower tube 33 and capable of aligning with or misaligning with the upper through hole 351 when the lower tube 33 is moved relative to the upper tube 31 so as to connect or isolate the inner cavity of the liquid inlet/outlet tube 3 with or from the outside. When the liquid in the liquid storage cavity reaches the required amount, the lower pipe 33 is operated to move relative to the upper pipe 31 so that the lower through hole 352 is aligned and communicated with the upper through hole 351, the inner cavity of the liquid inlet and outlet pipe is communicated with the outside, the residual liquid in the liquid inlet and outlet pipe flows back into the container under the action of external atmospheric pressure, and after the liquid in the liquid inlet and outlet pipe completely flows back into the container, the liquid inlet and outlet pipe is completely separated from the container, so that the liquid is prevented from spilling out when the liquid inlet and outlet pipe is separated from the container, and waste is caused.

As shown in fig. 8, in order to facilitate the control of the first control structure 5 or the gas supply through hole 35 to communicate or isolate the inner cavity of the liquid inlet/outlet tube with the outside, a clamping structure 6 is disposed between the lower tube 33 and the upper tube 31, which can cooperate with the first control structure 5 or the gas supply through hole 35 to control the communication or isolation of the inner cavity of the liquid inlet/outlet tube 3 with the outside. The structure of the blocking structure 6 is the same as that of the blocking structure 6 in the first scheme.

As shown in fig. 9, the utility model discloses a

liquid suction tube

1, 1 inside wall of liquid suction tube is connected with the gliding activity of 1 of liquid suction tube 2 relatively hermetically, 1 inner chamber of liquid suction tube forms stock solution chamber 11, so be equipped with connecting hole cover 12 on the liquid suction tube 1, be equipped with seal cover 121 in the connecting hole cover 12, sliding connection has the business turn over liquid pipe 3 with the communicating business turn over liquid chamber 11 in seal cover 121, be equipped with business turn over liquid window 311 that can communicate with stock solution chamber 11 on the business turn over drain pipe 3 lateral wall, it is the integrated into one piece structure with activity stopper 2 to advance drain pipe 3. When liquid is pumped, the lower end of the liquid inlet and outlet pipe is communicated with the inner cavity of the container, the lower end of the liquid inlet and outlet pipe abuts against the opening or the outer wall of the container, the liquid pumping cylinder is operated to move towards one side of the container, the upper end of the liquid inlet and outlet pipe pushes the movable plug to move upwards together with the liquid inlet and outlet pipe relative to the liquid pumping cylinder, liquid in the inner cavity of the container enters the liquid storage cavity from the liquid inlet and outlet pipe through the liquid inlet and outlet window, and meanwhile, the sealing sleeve is arranged in the connecting hole sleeve, so that no residual liquid exists on the outer wall of the liquid inlet and outlet pipe.

As shown in fig. 9, the liquid inlet and outlet pipe 3 is provided with a limit stopper 34 which can limit the position of the lower end wall of the connection hole sleeve 12 to prevent the movable plug 2 from separating from the upper port of the liquid extraction cylinder 1. When drawing liquid, when the relative drawing liquid section of thick bamboo of activity stopper up moved promptly, through spacing stopper 34 cooperation connecting hole cover 12 lower end wall spacing can prevent that the activity stopper from breaking away from with the drawing liquid section of thick bamboo, ensure the utility model discloses steady operation to be convenient for operate and advance drain pipe activity.

As shown in fig. 9, in order to prevent the liquid from remaining on the outer wall of the liquid inlet and outlet pipe and prevent the liquid in the liquid storage cavity from flowing out of the connection hole sleeve, the sealing sleeve 121 is made of a deformable silicone material.

Claims

1. The liquid pumping device for the container is characterized by comprising a liquid pumping cylinder (1), wherein a movable plug (2) capable of sliding relative to the liquid pumping cylinder (1) is connected to the inner side wall of the liquid pumping cylinder (1) in a sealing mode, a liquid storage cavity (11) is formed in the inner cavity of the liquid pumping cylinder (1), a connecting hole sleeve (12) is arranged on the liquid pumping cylinder (1), a sealing sleeve (121) is arranged in the connecting hole sleeve (12), a liquid inlet and outlet pipe (3) communicated with the liquid storage cavity (11) is connected in the sealing sleeve (121) in a sliding mode, a liquid inlet and outlet window (311) capable of being communicated with the liquid storage cavity (11) is arranged on the side wall of the liquid inlet and outlet pipe (3), a gas supplementing hole (21) communicated with the inner cavity of the liquid inlet and outlet pipe (3) is formed in the movable plug (2), and a gas supplementing control structure used for controlling the gas supplementing hole (21) to be opened or closed so that the inner cavity of the liquid inlet pipe (3) is communicated or isolated with the outside is further arranged on the movable plug (2).

2. The fluid-pumping device for containers as claimed in claim 1, wherein the air-supply control structure is a one-way air-inlet valve (22) provided on the movable stopper (2) for controlling the opening or closing of the air-supply hole (21).

3. The extraction apparatus for containers according to claim 1, characterized in that a locking structure (4) is provided between the liquid inlet and outlet tube (3) and the movable stopper (2) for moving the liquid inlet and outlet tube (3) relative to the liquid extraction cartridge (1) when the movable stopper (2) moves relative to the liquid extraction cartridge (1).

4. The liquid pumping device for containers as claimed in claim 3, wherein the locking structure (4) comprises a static locking block (41) disposed on the movable stopper (2), and the liquid inlet/outlet tube (3) is provided with a movable locking block (42) capable of locking the static locking block (41).

5. The liquid extraction device for the container according to any one of claims 1 to 4, wherein the liquid inlet and outlet tube (3) comprises an upper tube (31) slidably connected to the sealing sleeve (121) and a lower tube (33) movably and sealingly connected to the upper tube (31), and a first control structure (5) capable of controlling the communication or isolation of the inner cavity of the liquid inlet and outlet tube (3) with the outside is arranged between the lower tube (33) and the upper tube (31).

6. An extraction device for a container according to claim 5, characterized in that said first control structure (5) comprises a first stationary outlet (51) provided on the side wall of said upper duct (31), said lower duct (33) being provided on the side wall thereof with a first movable outlet (52) which can be aligned with or misaligned with said first stationary outlet (51) when said lower duct (33) is moved with respect to said upper duct (31).

7. The liquid extraction device for the container according to any one of claims 1 to 4, wherein the liquid inlet and outlet tube (3) comprises an upper tube (31) slidably connected to a sealing sleeve (121), a middle tube (32) is slidably and sealingly connected to the upper tube (31), a lower tube (33) is movably and sealingly connected to the middle tube (32), a limiting structure (7) capable of enabling the middle tube (32) to be telescopic or fixed relative to the upper tube (31) is arranged between the lower tube (33) and the upper tube (31), and a second control structure (8) capable of controlling the inner cavity of the liquid inlet and outlet tube (3) to be communicated or isolated with the outside is arranged between the lower tube (33) and the middle tube (32).

8. An extraction device for a container according to claim 7, characterised in that said limiting structure (7) comprises an upper limiting column (71) provided in the upper tube (31), said lower tube (33) being provided with a lower limiting column (72) which can be aligned with or misaligned with the upper limiting column (71) when the lower tube (33) is moved with respect to the upper tube (31).

9. The pumping device for containers as claimed in claim 7, characterized in that said second control structure (8) comprises a second stationary outlet (81) provided on the side wall of said intermediate tube (32), said lower tube (33) being provided on the side wall thereof with a second movable outlet (82) capable of being aligned with or misaligned with said second stationary outlet (81) when said lower tube (33) is moved with respect to said upper tube (31).

10. The liquid pumping device for the container is characterized by comprising a liquid pumping barrel (1), wherein a movable plug (2) capable of sliding relative to the liquid pumping barrel (1) is connected to the inner side wall of the liquid pumping barrel (1) in a sealing mode, a liquid storage cavity (11) is formed in the inner cavity of the liquid pumping barrel (1), a connecting hole sleeve (12) is arranged on the liquid pumping barrel (1), a sealing sleeve (121) is arranged in the connecting hole sleeve (12), a liquid inlet and outlet pipe (3) communicated with the liquid storage cavity (11) is connected in the sealing sleeve (121) in a sliding mode, a liquid inlet and outlet window (311) capable of being communicated with the liquid storage cavity (11) is arranged on the side wall of the liquid inlet and outlet pipe (3), a gas supplementing through hole (35) capable of being isolated from the outside during liquid pumping is arranged on the lower side of the liquid inlet and outlet window (311) and capable of being communicated with the outside when the liquid inlet and outlet window (311) is sealed and plugged by the sealing sleeve (121), and a gas supplementing through hole (35) capable of being communicated with the outside is arranged between the liquid inlet and the movable plug (3) and the movable plug (2).

11. The liquid pumping device for the container is characterized by comprising a liquid pumping barrel (1), wherein a movable plug (2) capable of sliding relative to the liquid pumping barrel (1) is connected to the inner side wall of the liquid pumping barrel (1) in a sealing mode, a liquid storage cavity (11) is formed in the inner cavity of the liquid pumping barrel (1), a connecting hole sleeve (12) is arranged on the liquid pumping barrel (1), a sealing sleeve (121) is arranged in the connecting hole sleeve (12), a liquid inlet and outlet pipe (3) communicated with the liquid storage cavity (11) is connected in the sealing sleeve (121) in a sliding mode, a liquid inlet and outlet window (311) capable of being communicated with the liquid storage cavity (11) is arranged on the side wall of the liquid inlet and outlet pipe (3), an air supplementing clamping structure (4) capable of being isolated from the outside when the movable plug (2) moves relative to the liquid pumping barrel (1) and capable of being communicated with the liquid inlet and outlet pipe (3) when liquid pumping is completed is arranged on the side wall of the liquid inlet and outlet pipe (3), and is arranged on the lower side of the side wall of the liquid inlet and outlet pipe (3), and the movable plug (2).

12. The extractor for containers as claimed in claim 11, wherein said liquid inlet and outlet duct (3) comprises an upper duct (31) slidingly connected to said sealing sleeve (121) and a lower duct (33) movably and sealingly connected to said upper duct (31), said lower duct (33) being interposed between said upper duct (31) and said upper duct (31) to control the communication or isolation of the inner cavity of said liquid inlet and outlet duct (3) with the outside.

13. An extraction device for a container according to claim 12, characterized in that said first control structure (5) comprises a first stationary outlet opening (51) provided in a side wall of the upper duct (31), said lower duct (33) being provided on a side wall thereof with a first mobile outlet opening (52) capable of being aligned with or misaligned with the first stationary outlet opening (51) when the lower duct (33) is moved with respect to the upper duct (31).

14. An extractor for containers according to claims 12 and 13, characterized in that said aerating through hole (35) comprises an upper through hole (351) obtained in the side wall of the upper tube (31), and in that said lower tube (33) is provided, in its side wall, with a lower through hole (352) able to be aligned or misaligned with the upper through hole (351) when the lower tube (33) is moved with respect to the upper tube (31) so as to connect or isolate the inside of the inlet/outlet duct (3) with the outside.

15. The utility model provides an extraction device that container was used, its characterized in that includes an extraction section of thick bamboo (1), the inside wall of an extraction section of thick bamboo (1) is connected with sliding movable stopper (2) of an extraction section of thick bamboo (1) relatively sealedly, extraction section of thick bamboo (1) inner chamber forms stock solution chamber (11), so be equipped with on the extraction section of thick bamboo (1) and connect hole cover (12), be equipped with seal cover (121) in connecting hole cover (12), sliding connection has business turn over liquid pipe (3) communicating with stock solution chamber (11) in seal cover (121), be equipped with business turn over liquid window (311) that can communicate with stock solution chamber (11) on business turn over liquid pipe (3) lateral wall, business turn over liquid pipe (3) are the integrated into one piece structure with movable stopper (2).