CN202360364U

CN202360364U - Pump pipe

Info

Publication number: CN202360364U
Application number: CN2011204139636U
Authority: CN
Inventors: 滕先锋; 李旭
Original assignee: SUZHOU XIANKUO BIOLOGICAL TECHNOLOGY Co Ltd
Current assignee: Niu Anlin
Priority date: 2011-10-27
Filing date: 2011-10-27
Publication date: 2012-08-01
Anticipated expiration: 2021-10-27

Abstract

The utility model relates to a pump pipe for transferring liquid. The pump pipe comprises a volume variable soft pressure device, a liquid inlet pipe and a liquid outlet pipe, wherein the cavity of the pressure device forms a pump cavity which is connected with the liquid inlet pipe and the liquid outlet pipe respectively; a first one-way valve plate only for the liquid to flow into the pump cavity is arranged at the joint between the liquid inlet pipe and the pump cavity; a second one-way valve plate only for the liquid to flow out of the pump cavity is arranged at the joint between the liquid outlet pipe and the pump cavity; the pressure device has a compression state and an original state; when the pressure device is changed from the original state to the compression state, the second one-way valve plate is opened, the cavity of the liquid outlet pipe is communicated with the pump cavity, and the first one-way valve plate is plugged at the joint between the liquid inlet pipe and the liquid outlet pipe; and when the pressure device is changed from the compression state to the original state, the first one-way valve plate is opened, the cavity of the liquid inlet pipe is communicated with the pump cavity, and the second one-way valve plate is plugged at the joint between the liquid outlet pipe and the pump cavity.

Description

Pump line

Technical field

The utility model relates to the experiment instrument field, relates in particular to a kind ofly in biological, chemical experiment, is used for the liquid of a container is transferred to the instrument in other containers.

Background technique

In biology, chemical experiment, in the time need transferring to the liquid in the container in other containers, the instrument that adopts usually be a peristaltic pump, or directly topples over, and is exactly in addition to utilize the principle of connecting vessels to use a flexible pipe.The use peristaltic pump is cumbersome, needs power supply, and peristaltic pump is heavier.Directly topple over and spill liquid easily, corrosive liquids such as transfer hydrochloric acid are dangerous.Utilize the flexible pipe of law of connected vessels need use ear-cleaning ball sucking-off liquid.It is also dangerous to shift corrosive liquids, and can't liquid be transferred to eminence from lower.

Summary of the invention

The problem that the utility model solves is to propose a kind of pump line, can make it simple to operate, can improve the Security in the working procedure again.

For addressing the above problem; The utility model provides a kind of pump line; It comprises soft pressurization device, liquid inlet pipe and the drain pipe of variable volume; The inner chamber of described pressurization device forms respectively the pump chamber that links to each other with drain pipe with said liquid inlet pipe, and the joint of said liquid inlet pipe and described pump chamber is provided with only first check valve sheet of the said pump chamber of unidirectional for liquid inflow, and the joint of said drain pipe and described pump chamber is provided with second check valve sheet that only supplies the interior liquid outflow of said pump chamber; Said pressurization device has compressive state and reset condition; When said pressurization device in reset condition when compressive state transforms; Said second check valve sheet is opened; The inner chamber of said drain pipe is connected with described pump chamber, and the said first check valve sheet shutoff is in the joint of said liquid inlet pipe and described pump chamber; When said pressurization device in compressive state when reset condition transforms, described first check valve sheet is opened, the inner chamber of said liquid inlet pipe is connected with said pump chamber, the said second check valve sheet shutoff is in the joint of said drain pipe and said pump chamber.

Preferably, the constituent material of said pressurization device and liquid inlet pipe, drain pipe is plastics or rubber.

Further, the constituent material of said pressurization device and liquid inlet pipe, drain pipe also can be polyethylene, polypropylene.

Preferably, said pressurization device is spherical.

Preferably; The inner chamber of described liquid inlet pipe and drain pipe is provided with first protruding and second convexity; One end of described first check valve sheet and second check valve sheet is pivotably connected respectively on each first convexity, and the other end of described first check valve sheet is positioned at second protruding the retaining in the side near pump chamber in the liquid inlet pipe; The other end of described second check valve sheet is positioned at second protruding the retaining in the side away from pump chamber in the drain pipe.

Preferably, the constituent material of described first check valve sheet and second check valve sheet is a polypropylene.

Compared with prior art, the utlity model has following advantage:,, and drip can not take place therefore in the liquid unidirectional transfer that is achieved because the utility model adopts two check valve sheet to realize the sealing of pump chambers, feed liquor tube chamber, fluid tube chamber; Therefore the utlity model has simple in structurely, cost is low; Advantage simple to operate, safe and convenient to use.

Description of drawings

Fig. 1 is the structural drawing of the utility model;

Fig. 2 is the check valve sheet partial enlarged drawing of the utility model.

Among the figure, 1, pressurization device; 2, first convexity; 3, first check valve sheet; 4, second check valve sheet; 5, liquid inlet pipe; 6, drain pipe; 7, pump chamber; 8, second convexity.

Embodiment

By specifying technology contents, structure characteristics that the utility model creates, being reached purpose and effect, will combine embodiment and conjunction with figs. to specify below.

See also Fig. 1 and Fig. 2, the described pump line of the utility model comprises pressurization device 1, first protruding 2, first check valve sheet 3, second check valve sheet 4, liquid inlet pipe 5 and drain pipe 6.Pressurization device 1 is the soft spherical device of variable volume, and this pressurization device 1 soft being meant when it is imposed external force can make its distortion, and its resilience reinstatement automatically after external force is cancelled.The inner chamber of pressurization device 1 forms respectively the pump chamber 7 that links to each other with drain pipe 6 with liquid inlet pipe 5; Liquid inlet pipe 5 is provided with only first check valve sheet 3 of unidirectional for liquid inflow pump chamber 7 with the joint of pump chamber 7, and drain pipe 6 is provided with second check valve sheet 4 that only supplies pump chamber 7 interior liquid to flow out with the joint of pump chamber 7; Pressurization device 1 has compressive state and reset condition, when pressurization device 1 in reset condition when compressive state transforms, second check valve sheet 4 is opened, the inner chamber of drain pipe 6 is connected with

pump chamber

7,3 shutoff of first check valve sheet are in the joint of liquid inlet pipe 5 with pump chamber 7; When pressurization device 1 in compressive state when reset condition transforms, first check valve sheet 3 is opened, the inner chamber of liquid inlet pipe 5 is connected with pump chamber 7,4 shutoff of second check valve sheet are in the joint of drain pipe 6 with pump chamber 7.First check valve sheet 3 is pivotably connected on first protruding 2; First protruding 2 and second protruding 8 is fixed on the inner chamber of liquid inlet pipe 5 and pressurization device 1 joint; The other end of first check valve sheet 3 is positioned at second protruding 8 sides near pump chamber 7; And second protruding 8 retainings are in first check valve sheet, 3 bottoms, make that first check valve sheet 3 can't be opened when the pressure in the pump chamber 7 during greater than the pressure in the liquid inlet pipe 5; And when the pressure in the liquid inlet pipe 5 during greater than pump chamber 7 internal pressures, first check valve sheet 3 is opened.Second check valve sheet 4 is connected the inner chamber of the joint of drain pipe 6 and pump chamber 7 symmetrically, and is pivotably connected on first protruding 2.First protruding 2 and second protruding 8 is fixed on the inner chamber of drain pipe 6 and pressurization device 1 joint; The other end of second check valve sheet 4 is positioned at second protruding 8 sides near drain pipe 6; Second protruding 8 retainings are in the bottom of second check valve sheet 4, make when the pressure in the pump chamber 7 during greater than the pressure in the drain pipe 64 unlatchings of second check valve sheet; And when the pressure in the pump chamber 7 during less than the pressure in the drain pipe 6, second check valve sheet 4 is closed.The constituent material of pressurization device 1 and liquid inlet pipe 5, drain pipe 6 is plastics or rubber or is polyethylene, polypropylene.

The working procedure of the utility model is following: at first liquid inlet pipe 5 ends are under the liquid level of treating extracting container, and the end of drain pipe 6 is prevented in another container that desire shifts, firmly to depress pressurization device 1; Make its from reset condition when compressive state changes; Pump chamber 7 internal pressures increase, and first check valve sheet 3 is closed, second check valve sheet 4 is opened, and the gas in the pump chamber 7 just enters into drain pipe 6 through second check valve sheet 4 and discharges; And then unclamp pressurization device 1; It is changed to reset condition from compressive state, and pump chamber 7 internal pressures are less than liquid inlet pipe 5 internal pressures at this moment, and first check valve sheet 3 is opened, second check valve sheet 4 is closed; Liquid just enters in the pump chamber 7 through first check valve sheet 3; Constantly repeated compression or loosen pressurization device 1 makes the gas in the pump line be discharged from and make the liquid of treating in the extracting container to be introduced into pump chamber 7, finally is discharged in another container through drain pipe 6.After liquid shifts completion, liquid inlet pipe 5 is promoted on the liquid level of treating extracting container, continue compression pressurization device 1 several times, make the liquid emptying in the pump line, air is full of in the pump line, removes pump line at last again, prevents the liquid water clock.

Claims

1. pump line; It is characterized in that: it comprises soft pressurization device, liquid inlet pipe and the drain pipe of variable volume; The inner chamber of described pressurization device forms respectively the pump chamber that links to each other with drain pipe with said liquid inlet pipe; The joint of said liquid inlet pipe and described pump chamber is provided with only first check valve sheet of the said pump chamber of unidirectional for liquid inflow, and the joint of said drain pipe and described pump chamber is provided with second check valve sheet of the liquid outflow that only supplies in the said pump chamber; Said pressurization device has compressive state and reset condition; When said pressurization device in reset condition when compressive state transforms; Said second check valve sheet is opened; The inner chamber of said drain pipe is connected with described pump chamber, and the said first check valve sheet shutoff is in the joint of said liquid inlet pipe and described pump chamber; When said pressurization device in compressive state when reset condition transforms, described first check valve sheet is opened, the inner chamber of said liquid inlet pipe is connected with said pump chamber, the said second check valve sheet shutoff is in the joint of said drain pipe and said pump chamber.

2. pump line according to claim 1 is characterized in that: the constituent material of said pressurization device and liquid inlet pipe, drain pipe is plastics or rubber.

3. pump line according to claim 2 is characterized in that: the constituent material of said pressurization device and liquid inlet pipe, drain pipe is polyethylene, polypropylene.

4. pump line according to claim 1 is characterized in that: said pressurization device is for spherical.

5. pump line according to claim 1; It is characterized in that: the inner chamber of described liquid inlet pipe and drain pipe is provided with first protruding and second convexity; One end of described first check valve sheet and second check valve sheet is pivotably connected respectively on each first convexity, and the other end of described first check valve sheet is positioned at second protruding the retaining in the side near pump chamber in the liquid inlet pipe; The other end of described second check valve sheet is positioned at second protruding the retaining in the side away from pump chamber in the drain pipe.

6. pump line according to claim 1 is characterized in that: the constituent material of described first check valve sheet and second check valve sheet is a polypropylene.