CN208482484U - A kind of liquid-transfering device - Google Patents
A kind of liquid-transfering device Download PDFInfo
- Publication number
- CN208482484U CN208482484U CN201820787972.3U CN201820787972U CN208482484U CN 208482484 U CN208482484 U CN 208482484U CN 201820787972 U CN201820787972 U CN 201820787972U CN 208482484 U CN208482484 U CN 208482484U
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- Prior art keywords
- pipette
- piston
- liquid
- vertical
- tube
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- Devices For Use In Laboratory Experiments (AREA)
Abstract
A kind of liquid-transfering device is related to a kind of liquid-transfering device.The utility model is complicated in order to solve the problems, such as to utilize during chemical experiment pipette pipetting.Liquid-transfering device is by being vertically responsible for, two branch pipes, two vertical connecting tubes and piston tube are constituted；Two branch pipe inclinations are symmetrically disposed on vertical supervisor lower end and upper end is connected to vertical supervisor, and two branch pipe lower ends are connected separately with two vertical connecting tubes being connected to branch pipe, and vertical connecting tube lower part is arranged with sealing ring respectively；One of them vertical connecting tube lower end is connected with pipette；Another vertical connecting tube lower end is connected with pipette.The utility model liquid-transfering device is easy to operate, it is only necessary to which singlehanded pressing repeatedly, which can be completed, takes liquid, and the liquid into pipette will not generate bubble, can use the liquid that pipette accurately measures fixed volume, can also directly be titrated.The utility model is suitable for liquid relief.
Description
Technical field
The utility model relates to a kind of liquid-transfering devices.
Background technique
In the operating process of chemical experiment, it is often necessary to which certain quantity of fluid is transferred to another appearance from a container
Device, at this moment just needs to use liquid-transfering device, and common liquid-transfering device is pipette, and pipette is inserted by when pipette use first
Into solution, rubber pipette bulb draw solution is then used, press...with one's finger pipette nozzle after pipette solution reaches predetermined altitude
To prevent the solution outflow of sucking.The volume for sucking solution in pipette is related with the extruding degree of ear washing bulb, due to ear washing bulb
Extruding degree be difficult to accurately hold, when squeeze degree it is excessive when, the solution of sucking be possible to overflow pipette, cause part molten
Liquid enters in ear washing bulb, and when the degree of extruding is inadequate, the liquid level of solution is not reached requirement, it is necessary to re-operate, so utilizing
Pipette pipetting is more complicated.
Utility model content
The utility model proposes one kind to solve the problems, such as to utilize pipette pipetting complicated during chemical experiment
Liquid-transfering device.
The utility model liquid-transfering device is by being vertically responsible for, two branch pipes, two vertical connecting tubes and piston tube are constituted；
Described two branch pipe inclinations are symmetrically disposed on vertical supervisor lower end and upper end is connected to vertical supervisor, under two branch pipes
End is connected separately with two vertical connecting tubes being connected to branch pipe, and vertical connecting tube lower part is arranged with sealing ring respectively；Wherein one
A vertical connecting tube lower end is connected with pipette, and the nozzle of pipette is set in outside sealing ring；Under another vertical connecting tube
End is connected with pipette, and the nozzle of pipette is set in outside sealing ring；
The pipette upper end is open ports, is provided with cock at lower part outlet；In pipette on the outer wall on cock top
It is provided with scale；
The pipette top and bottom are open ports；
The vertical supervisor upper end sealing, vertical upper portion side wall of being responsible for are provided with pressure relief opening, vertical supervisor outside pressure relief opening
On be covered with the first seal cover board, the first seal cover board is connect with vertical supervisor's outer wall by several first elasticity drawknot bars, the
Drawstring is connected on one seal cover board, the drawstring other end is connected with pull ring；Vertical supervisor is set side by side with piston tube, vertical to be responsible for
Side wall and piston tube side wall it is affixed, piston is set to inside piston tube, between the pressing handle outside piston and piston tube
It is connected by piston rod, is provided with piston rod seals, piston between the piston rod through hole of piston rod and piston tube upper end cover
Upper cover of piston rod between piston tube upper end cover, which is equipped with, draws spring, draws spring one end and piston affixed, draw the spring other end and
Piston tube upper end cover is affixed, is provided with intercommunicating pore, the work of intercommunicating pore on the side wall above piston between vertical supervisor and piston tube
Plug pipe side is provided with the second seal cover board, the second seal cover board and piston inside pipe wall and is connected by the several second elastic drawknot bars
It connects；It is provided with gas vent on piston tube upper end cover, third seal cover board is provided on the gas vent on the outside of piston tube upper end cover, the
Three seal cover boards are connect with piston tube upper end cover by several third elasticity drawknot bars.
The utility model liquid-transfering device application method are as follows:
The utility model liquid-transfering device is in use, pipette lower end is protruded into inside target liq, by the cock of pipette
It closes, so mutually pressing pressing handle, pressing handle generate negative pressure, the first sealing cover during moving down in piston tube repeatedly
Plate compresses vertical supervisor's outer wall and realizes that, to pressure relief opening sealing, third seal cover board clamping piston pipe upper end cover is realized close to gas vent
Envelope, after the second seal cover board opens, the vertical supervisor that be connected to pipette, branch pipe, vertical connecting tube inside are negative pressure state, liquid
Body sequentially enters pipette, vertical connecting tube and branch pipe, and the side wall that liquid reaches after branch tube end along another branch pipe enters simultaneously
Pipette is flowed into, that is, completes to take liquid；After the completion of taking liquid, the utility model liquid-transfering device is raised, pulls pull ring, is connected with pipette
Logical vertical supervisor, branch pipe, remaining liq is back to former container inside vertical connecting tube, then removes pipette, that is, completes to move
Liquid operation.
The utility model liquid-transfering device has the beneficial effect that
The utility model liquid-transfering device is easy to operate, it is only necessary to which singlehanded pressing repeatedly, which can be completed, takes liquid, during taking liquid
It is not used cooperatively with other devices, while target liq, always in liquid-transfering device interior shifting, ingress of air, does not avoid mesh
Standard liquid body is by external interference.Two branch pipes are that inclination is symmetrical arranged, and target liq is the trickling along branch pipe always, and is taken
It is subnormal ambient inside liquid-transfering device when liquid, therefore the liquid for entering pipette will not generate bubble.The utility model liquid relief dress
It sets in pipette and is provided with scale on the outer wall on cock top, can use the liquid that pipette accurately measures fixed volume,
It can directly be titrated using pipette.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model liquid-transfering device；
Fig. 2 is enlarged drawing at a of Fig. 1；
Fig. 3 is enlarged drawing at the b of Fig. 1.
Specific embodiment:
Technical solutions of the utility model are not limited to that specific embodiments lis below, and further include each specific embodiment
Between any reasonable combination.
Specific embodiment 1: present embodiment, illustrates present embodiment, present embodiment liquid relief dress in conjunction with FIG. 1 to FIG. 3
It sets and is constituted by being vertically responsible for 1, two branch pipe 2, two vertical connecting tubes 4 and piston tube 7；
Described two inclinations of branch pipe 2 are symmetrically disposed on 1 lower end of vertical supervisor and upper end is connected to vertical supervisor 1, two branch
2 lower end of pipe is connected separately with the vertical connecting tube 4 of two be connected to branch pipe 2, and vertical 4 lower part of connecting tube is arranged with sealing ring respectively
5；One of them vertical 4 lower end of connecting tube is connected with pipette 6, and the nozzle of pipette 6 is set in outside sealing ring 5；Another
Vertical 4 lower end of connecting tube is connected with pipette 18, and the nozzle of pipette 18 is set in outside sealing ring 5；
18 upper end of pipette is open ports, is provided with cock at lower part outlet；Cock top is outer in pipette 18
Scale is provided on wall；
6 top and bottom of pipette are open ports；
The sealing of 1 upper end of the vertical supervisor, vertical 1 upper portion side wall of being responsible for are provided with pressure relief opening 23, and vertical 1 outside of supervisor is let out
The first seal cover board 21 is covered on pressure mouth 23, the first seal cover board 21 is drawn with 1 outer wall of vertical supervisor by several first elasticity
It ties bar 22 to connect, is connected with drawstring 20 on the first seal cover board 21,20 other end of drawstring is connected with pull ring 19；Vertical supervisor 1 with
Piston tube 7 is set side by side, and the side wall of vertical supervisor 1 and the side wall of piston tube 7 are affixed, and piston 8 is set to inside piston tube 7, living
It is connected between pressing handle 11 outside plug 8 and piston tube 7 by piston rod 10, the work of piston rod 10 and 7 upper end cover of piston tube
It is provided with piston rod seals between stopper rod through hole, is arranged with drawing on the piston rod 10 between 7 upper end cover of piston 8 and piston tube
Spring 9 draws 9 one end of spring and piston 8 affixed, draws 9 other end of spring and 7 upper end cover of piston tube affixed, and 8 top of piston is vertical main
Intercommunicating pore 17 is provided on side wall between pipe 1 and piston tube 7,7 side of piston tube of intercommunicating pore 17 is provided with the second sealing cover
Plate 16, the second seal cover board 16 are connect with 7 inner wall of piston tube by the several second elastic drawknot bars 15；On 7 upper end cover of piston tube
It is provided with gas vent 13, third seal cover board 12, third seal cover board are provided on the gas vent 13 on the outside of 7 upper end cover of piston tube
12 are connect with 7 upper end cover of piston tube by several third elasticity drawknot bars 14.
Present embodiment liquid-transfering device has the beneficial effect that
Present embodiment liquid-transfering device is easy to operate, it is only necessary to which singlehanded pressing repeatedly, which can be completed, takes liquid, during taking liquid
It is not used cooperatively with other devices, while target liq, always in liquid-transfering device interior shifting, ingress of air, does not avoid mesh
Standard liquid body is by external interference.Two branch pipes 2 are that inclination is symmetrical arranged, target liq be always along the trickling of branch pipe 2, and
It is subnormal ambient inside liquid-transfering device when taking liquid, therefore the liquid for entering pipette 18 will not generate bubble.Present embodiment is moved
It is provided with scale on the outer wall on cock top in liquid device pipette 18, pipette 18 is can use and accurately measures fixed volume
Liquid can also be titrated directly using pipette 18.
Specific embodiment 2: the present embodiment is different from the first embodiment in that: cock in the pipette 18
The precision for the scale being arranged on the outer wall on top is 0.02~0.05mL.Other steps and parameter and one phase of specific embodiment
Together.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that: the pipette 18
Volume is 10~60mL.Other steps and parameter are the same as one or two specific embodiments.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: the pipette
The precision for the scale being arranged on the outer wall on cock top in 18 is 0.02mL.Other steps and parameter and specific embodiment one to
One of three is identical.
Specific embodiment 5: unlike one of present embodiment and specific embodiment one to four: the pipette
18 volume is 50mL.Other steps and parameter are identical as one of specific embodiment one to four.
Embodiment 1:
The present embodiment liquid-transfering device is constituted by being vertically responsible for 1, two branch pipe 2, two vertical connecting tubes 4 and piston tube 7；
Described two inclinations of branch pipe 2 are symmetrically disposed on 1 lower end of vertical supervisor and upper end is connected to vertical supervisor 1, two branch
2 lower end of pipe is connected separately with the vertical connecting tube 4 of two be connected to branch pipe 2, and vertical 4 lower part of connecting tube is arranged with sealing ring respectively
5；One of them vertical 4 lower end of connecting tube is connected with pipette 6, and the nozzle of pipette 6 is set in outside sealing ring 5；Another
Vertical 4 lower end of connecting tube is connected with pipette 18, and the nozzle of pipette 18 is set in outside sealing ring 5；
18 upper end of pipette is open ports, is provided with cock at lower part outlet；Cock top is outer in pipette 18
Scale is provided on wall；6 top and bottom of pipette are open ports；
The sealing of 1 upper end of the vertical supervisor, vertical 1 upper portion side wall of being responsible for are provided with pressure relief opening 23, and vertical 1 outside of supervisor is let out
The first seal cover board 21 is covered on pressure mouth 23, the first seal cover board 21 is drawn with 1 outer wall of vertical supervisor by several first elasticity
It ties bar 22 to connect, is connected with drawstring 20 on the first seal cover board 21,20 other end of drawstring is connected with pull ring 19；Vertical supervisor 1 with
Piston tube 7 is set side by side, and the side wall of vertical supervisor 1 and the side wall of piston tube 7 are affixed, and piston 8 is set to inside piston tube 7, living
It is connected between pressing handle 11 outside plug 8 and piston tube 7 by piston rod 10, the work of piston rod 10 and 7 upper end cover of piston tube
It is provided with piston rod seals between stopper rod through hole, is arranged with drawing on the piston rod 10 between 7 upper end cover of piston 8 and piston tube
Spring 9 draws 9 one end of spring and piston 8 affixed, draws 9 other end of spring and 7 upper end cover of piston tube affixed, and 8 top of piston is vertical main
Intercommunicating pore 17 is provided on side wall between pipe 1 and piston tube 7,7 side of piston tube of intercommunicating pore 17 is provided with the second sealing cover
Plate 16, the second seal cover board 16 are connect with 7 inner wall of piston tube by the several second elastic drawknot bars 15；On 7 upper end cover of piston tube
It is provided with gas vent 13, third seal cover board 12, third seal cover board are provided on the gas vent 13 on the outside of 7 upper end cover of piston tube
12 are connect with 7 upper end cover of piston tube by several third elasticity drawknot bars 14；
The precision for the scale being arranged on the outer wall on cock top in the pipette 18 is 0.02mL；The pipette 18
Volume is 50mL.
The present embodiment liquid-transfering device is easy to operate, it is only necessary to which singlehanded pressing repeatedly, which can be completed, takes liquid, takes during liquid not
It is used cooperatively with other devices, while target liq, always in liquid-transfering device interior shifting, ingress of air, does not avoid target
Liquid is by external interference.Two branch pipes 2 are that inclination is symmetrical arranged, and target liq and is taken along the trickling of branch pipe 2 always
It is subnormal ambient inside liquid-transfering device when liquid, therefore the liquid for entering pipette 18 will not generate bubble.The present embodiment liquid relief dress
It sets in pipette 18 and is provided with scale on the outer wall on cock top, can use the liquid that pipette 18 accurately measures fixed volume
Body can also be titrated directly using pipette 18.
Claims (5)
1. a kind of liquid-transfering device, it is characterised in that: liquid-transfering device is by being vertically responsible for (1), two branch pipes (2), two vertical connections
It manages (4) and piston tube (7) is constituted；
Described two branch pipe (2) inclinations are symmetrically disposed on vertical supervisor (1) lower end and upper end is connected to vertical supervisor (1), and two
Branch pipe (2) lower end is connected separately with the vertical connecting tube (4) of two be connected to branch pipe (2), and vertical connecting tube (4) lower part covers respectively
Equipped with sealing ring (5)；One of them vertical connecting tube (4) lower end is connected with pipette (6), and the nozzle of pipette (6) is set in
Sealing ring (5) is external；Another vertical connecting tube (4) lower end is connected with pipette (18), and the nozzle of pipette (18) is set in
Sealing ring (5) is external；
Pipette (18) upper end is open ports, is provided with cock at lower part outlet；Cock top is outer in pipette (18)
Scale is provided on wall；
Pipette (6) top and bottom are open ports；
Vertical supervisor (1) the upper end sealing, vertical (1) upper portion side wall of being responsible for is provided with pressure relief opening (23), vertical to be responsible for (1) outside
It is covered on side pressure relief opening (23) the first seal cover board (21), the first seal cover board (21) and vertical supervisor's (1) outer wall pass through number
A first elastic drawknot bar (22) connects, and is connected with drawstring (20) on the first seal cover board (21), the connection of drawstring (20) other end
There are pull ring (19)；Vertical supervisor (1) is set side by side with piston tube (7), the side wall of the vertical side wall for being responsible for (1) and piston tube (7)
Affixed, piston (8) is set to piston tube (7) inside, passes through between piston (8) and the pressing handle (11) of piston tube (7) outside
Piston rod (10) connection, is provided with piston rod packing between piston rod (10) and the piston rod through hole of piston tube (7) upper end cover
Circle is arranged on the piston rod (10) between piston (8) and piston tube (7) upper end cover and draws spring (9), draw spring (9) one end and
Piston (8) is affixed, draws spring (9) other end and piston tube (7) upper end cover affixed, vertical supervisor (1) and piston above piston (8)
It is provided with intercommunicating pore (17) on side wall between pipe (7), piston tube (7) side of intercommunicating pore (17) is provided with the second seal cover board
(16), the second seal cover board (16) is connect with piston tube (7) inner wall by the several second elastic drawknot bars (15)；Piston tube (7)
It is provided on upper end cover gas vent (13), is provided with third seal cover board on the gas vent (13) on the outside of piston tube (7) upper end cover
(12), third seal cover board (12) is connect with piston tube (7) upper end cover by several third elasticity drawknot bars (14).
2. liquid-transfering device according to claim 1, it is characterised in that: in the pipette (18) on the outer wall on cock top
The precision of the scale of setting is 0.02~0.05mL.
3. liquid-transfering device according to claim 1, it is characterised in that: the volume of the pipette (18) is 10~60mL.
4. liquid-transfering device according to claim 1, it is characterised in that: in the pipette (18) on the outer wall on cock top
The precision of the scale of setting is 0.02mL.
5. liquid-transfering device according to claim 1, it is characterised in that: the volume of the pipette (18) is 50mL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820787972.3U CN208482484U (en) | 2018-05-24 | 2018-05-24 | A kind of liquid-transfering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820787972.3U CN208482484U (en) | 2018-05-24 | 2018-05-24 | A kind of liquid-transfering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208482484U true CN208482484U (en) | 2019-02-12 |
Family
ID=65250318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820787972.3U Expired - Fee Related CN208482484U (en) | 2018-05-24 | 2018-05-24 | A kind of liquid-transfering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208482484U (en) |
-
2018
- 2018-05-24 CN CN201820787972.3U patent/CN208482484U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20200524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |