CN207823049U - Can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant - Google Patents
Can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant Download PDFInfo
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- CN207823049U CN207823049U CN201721919939.3U CN201721919939U CN207823049U CN 207823049 U CN207823049 U CN 207823049U CN 201721919939 U CN201721919939 U CN 201721919939U CN 207823049 U CN207823049 U CN 207823049U
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Abstract
The utility model discloses it is a kind of can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it includes holder, rectangle box body, slide assemblies, pushes compression assemblies, measuring pipet, ear washing bulb and magnetic one-way valve, rectangle box body is located on holder, and rectangle box body is equipped with limit slide opening, limit sliding chutes, circular through hole；Slide assemblies include sliding block and support column, sliding block is slidably installed in limit sliding chutes, support column bottom end is located on sliding block, it includes threaded rod, bearing, rotating handle and crushing block to push compression assemblies, threaded rod sequentially passes through circular through hole, the inner ring of bearing, the internal thread hole on two support columns, each crushing block is located at the inside of corresponding support column, the air bag of ear washing bulb is located between the medial surface of two pieces of crushing blocks, the pipette of ear washing bulb is connect with measuring pipet, and the position above the top end opening corresponding to liquid storage cylinder is arranged in measuring pipet in magnetic one-way valve.The utility model can smoothly control speed when measuring pipet draws extractant, and amount liquid is accurate.
Description
Technical field
The utility model is related to a kind of liquid-transfering devices, it particularly relates to which a kind of being used for environment measuring engineering experiment process
In quantitatively pipette organic extractant can accurate quantification pipette the squash type liquid-transfering device of extractant.
Background technology
Pipette is that solution for accurately measuring certain volume measures formula instrument, and dosage liquid is needed in environment measuring
Pipe quantitatively pipettes the organic extractant solution agent for gas or liquid detecting, and traditional method is the side by ear washing bulb air-breathing
Formula carries out taking liquid using measuring pipet.Pipette currently used for pipetting organic extractant solution agent is straight trip glass up and down
Pipette is placed in installation extractant to be pipetted by pipe, when use, by the way that the air in the ear washing bulb cavity of upper end is discharged with profit
With negative pressure absorbing extractant, when carrying out the pipetting of extractant by pipette in this way, often because of index finger
It operates immature or causes liquid relief to fail using fatigue, to need to make repeated attempts, and due to pressing improper or mistake when imbibition
Loose tension, it is too quickly that ear washing bulb is easy imbibition, the phenomenon that extractant is immediately wicked into ear washing bulb from the top ports of pipette, causes to extract
It takes agent to lose or pollute, if mordant organic reagent kind of extractants, then can also be easy to the air bag of corrosion ear washing bulb, make
Ear washing bulb damages or the lost of life.Further, since user is needed to pin nozzle with hand to complete pipette in use
Pipetting, it is inconvenient that this is undoubtedly, and also very tests the experience of user, can not more accurately grasp in pipetting processes
To the quantitative work of liquid.
Utility model content
For above deficiency, the utility model provides a kind of speed that can smoothly control when measuring pipet draws extractant
Degree, amount liquid accurately can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it include holder, rectangle box body,
Slide assemblies push compression assemblies, measuring pipet, ear washing bulb and magnetic one-way valve, the holder to include pedestal, exist in vertical setting
Telescopic rod on pedestal and the retaining mechanism to telescopic rod progress telescopic adjustment, the rectangle box body are in laterally disposed, and
The rectangle box body is fixed at the top of the telescopic rod, and the rectangle box body is internally provided with hollow cavity, institute
The top plate for stating rectangle box body is equipped with the limit slide opening extended along rectangular box body length direction, the bottom of the rectangle box body
The inner surface of plate is equipped with limit sliding chutes, and the right plate of the rectangle box body is equipped with the circular through hole of left and right perforation；The cunning
Dynamic component includes two sliding blocks and two support columns, and two sliding blocks are arranged in symmetrically in the limit sliding chutes, each
Support column is in longitudinally disposed, and the bottom end of each support column is fixed on corresponding sliding block, and the top of each support column is certainly
The outside of hollow cavity is extended to inside hollow cavity via limit slide opening, each support column is equipped with left and right close to the position of sliding block
Perforative internal thread hole；The promotion compression assemblies include threaded rod, bearing, rotating handle and two pieces of crushing blocks, the bearing
Position corresponding to circular through hole is set in hollow cavity, and the left end of the threaded rod sequentially passes through circular through hole, bearing
Internal thread hole on inner ring, two support columns extends to the left side of hollow cavity, the external screw thread on the threaded rod and two branch
Internal thread engagement cooperation in internal thread hole on dagger, and the internal thread hand of spiral in two internal thread holes is on the contrary, described
The right end of threaded rod is fixedly connected with convenient for rotating the rotating handle of the threaded rod, and each crushing block is arranged in corresponding support
The air bag of the inside of column, the ear washing bulb is arranged between the medial surface of two pieces of crushing blocks；The pipette of the ear washing bulb and institute
The top port sealing connection of measuring pipet is stated, the measuring pipet is equipped with liquid storage cylinder；The magnetic one-way valve is arranged in the amount liquid
Corresponding to the top of the top end opening of liquid storage cylinder in pipe, the magnetic one-way valve includes one-way fluid channel, ball valve and floating ball support
Disk, the floating ball pallet are arranged in the one-way fluid channel, and the center of the floating ball pallet is equipped with up and down
Arc-shaped slot, the edge of the floating ball pallet are equipped with through flow hole up and down, and the ball valve is embedded in the arc-shaped slot,
Being equipped with corresponding to the position in the one-way fluid channel on the lateral wall of the measuring pipet can be above and below the length direction of measuring pipet
Mobile magnet ring, ball valve are using hollow ball made of magnetic material, and the magnet ring is matched with the ball valve.
In order to further realize the present invention, the one-way fluid channel by interconnected tapered channel, Vertical Channel and
Limit channels three parts form, and the ball valve is arranged by the floating ball pallet in the Vertical Channel, the tapered channel
Internal diameter gradually increased by the direction on measuring pipet top to measuring pipet bottom end, the diameter of the ball valve is more than tapered channel most osculum
Diameter at diameter.
In order to further realize the present invention, the tapered channel uses corrosion-resistant, anti-aging rubber material or silica gel
Material is made.
In order to further realize the present invention, the outer surface of the ball valve is coated with rubber membrane or pellosil.
In order to further realize the present invention, tapered suction inlet is designed in the bottom end imbibition port of the measuring pipet.
In order to further realize the present invention, the middle position of the measuring pipet length direction is equipped with liquid storage cylinder.
In order to further realize the present invention, the measuring pipet is the glass pipet that capacity is 5~50ml.
The beneficial effects of the utility model：
1, the utility model can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, relative to existing skill
Art is provided with the crushing block that slide assemblies and threaded rod drive, can be to the air bag of the ear washing bulb between two pieces of crushing blocks is arranged
It is squeezed, avoiding artificial immature operation and tired liquid relief causes liquid relief to fail, and is rotated clockwise by rotating handle
Threaded rod, can in more uniform control measuring pipet organic extractant the rate of climb, avoid organic extractant rapid increase and
Immediately wicked into ear washing bulb；The utility model rotates threaded rod by rotating handle, is arranged in sliding block being driven by threaded rod
On crushing block the air bag of ear washing bulb is carried out controllably avoiding inhaling using pipette completely to the bilaterally extruding of the degree of extruding
When taking extractant, since human hand pressing is improper or excessively loose tension, the uncontrollable defect of liquid relief speed is caused, there is higher behaviour
Make stability and safety.
2, the utility model can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, in the interior phase of measuring pipet
It should be equipped with magnetic one-way valve in the top position of the top end opening of liquid storage cylinder, tapered channel is corresponded on the lateral wall of measuring pipet
Position be equipped with the magnet ring that can be moved up and down along the length direction of measuring pipet, have magnetic ball valve and matched by magnetic with magnet ring
It closes so that after the enough extractants of negative pressure absorbing, ball valve can firmly be inhaled the liquid storage cylinder of measuring pipet under the action of buoyancy
It is attached to the position of the tapered channel liquid outlet in one-way fluid channel, the unidirectional of measuring pipet is realized with the cooperation by ball valve and magnet ring
The top end opening for opening its liquid storage cylinder, to effectively prevent the pipette due to ear washing bulb to remove the wink of measuring pipet top port
Between, the extractant liquid drawn in measuring pipet is since gravity declines the accuracy for generating leakage and influencing liquid relief.
3, the utility model can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, tapered channel is by corrosion resistant
Erosion, anti-aging rubber material or silica gel material are made, and the magnetic hollow ball of tool is made using magnetic material in ball valve, empty
Bulbus cordis body is also made of the magnetic lightweight metal material of tool, the outer surface cladding a thin layer rubber membrane or silica gel of ball valve
Film, on the one hand so that ball valve has corrosion resistance, on the other hand so that the flexible flexible film on ball valve surface layer and cone
Shape channel fits closely and reaches more sealing blocking effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
The utility model is further elaborated below in conjunction with the accompanying drawings, wherein the direction of the utility model is mark with Fig. 1
It is accurate.
As shown in Figure 1, the utility model can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it includes
Holder 1, slide assemblies 3, pushes compression assemblies 4, measuring pipet 5, ear washing bulb 6 and magnetic one-way valve 7 at rectangle box body 2, wherein：
Holder 1 includes pedestal 11, is stretched in vertical setting telescopic rod 12 on the pedestal 11 and to telescopic rod 12
The retaining mechanism 13 of adjusting, retaining mechanism 13 can be to the lockings of the progress height adjusting of telescopic rod 12 using any of the prior art
Structure realizes that the retaining mechanism 13 of the present embodiment uses lock-screw.Rectangle box body 2 in it is laterally disposed (rectangle box body 2
Length direction is mutually parallel with horizontal plane), and rectangle box body 2 is fixed at the top of the telescopic rod 12 of holder 1, to utilize
The telescopic movable up and down of telescopic rod 12 is adjusted the height of rectangle box body 2.Rectangle box body 2 is internally provided in hollow
Chamber 21, the top plate 22 of rectangle box body 2 are equipped with the limit slide opening 23 extended along 2 length direction of rectangle box body, rectangle box body 2
The inner surface of bottom plate 24 be equipped with limit sliding chutes 25, the middle position of the right plate 26 of rectangle box body 2 is equipped with left and right perforation
Circular through hole.
Slide assemblies 3 include two sliding blocks 31 and two support columns 32, and two sliding blocks 31 are arranged symmetrically in length
In the hollow cavity 21 of quadrangle box 2 and it is slidably installed in limit sliding chutes 25, each sliding block 31 matches with limit sliding chutes 25, with
So that each sliding block 31 can carry out left and right sliding along limit sliding chutes 25；Each support column 32 is in laterally setting, Mei Yizhi
The bottom end of dagger 32 is fixed on corresponding sliding block 31, the top of each support column 32 from rectangle box body 2 it is hollow in
It is extended to outside the hollow cavity 21 of rectangle box body 2 via limit slide opening 23 in chamber 21, each support column 32 and limit slide opening
23 are adapted, so that each support column 32 can be moved left and right along limit slide opening 23；Each support column 32 is close to sliding
The position of block 31 is equipped with the perforative internal thread hole in left and right, central axis and the rectangle box body 2 of the threaded hole of two support columns 32
Right plate 26 on circular through hole three line of central axis it is conllinear.
It includes threaded rod 41, bearing 42, rotating handle 43 and two pieces of crushing blocks 44 to push compression assemblies 4, and bearing 42 is arranged
Corresponding to the position of the circular through hole on 2 right plate 26 of rectangle box body, threaded rod in the hollow cavity 21 of rectangle box body 2
41 left end sequentially passes through circular through hole, the inner ring of bearing 42, the internal thread hole on two support columns 32 and extends to hollow cavity
21 left side, the external screw thread on threaded rod 41 engage cooperation, and two with the internal thread in the internal thread hole on two support columns 32
The internal thread hand of spiral in a internal thread hole is on the contrary, so that in rotating threaded rod 41 so that two sliding blocks 31 are respectively facing
Opposite direction sliding.The right end of threaded rod 41 is fixedly connected with the rotating handle 43 convenient for rotating threaded rod 41, rotating handle
43 are equipped with anti-skid chequer.Each crushing block 44 is arranged in the inside of corresponding support column 32, and the air bag 61 of ear washing bulb 6 is arranged two
Between the medial surface (two pieces of crushing blocks 44 one side facing each other) of block crushing block 44, so that two sliding blocks 31 drive two supports
Column 32 towards interior side slip when, two crushing blocks, 44 air bag 61 close to each other with to ear washing bulb 6 squeezes.
The pipette 62 of ear washing bulb 6 is connect with the top port sealing of measuring pipet 5, and measuring pipet 5 is that capacity is 5~50ml's
Glass pipet, 5 lateral wall of measuring pipet are equipped with to measure the scale of extract liquor, the bottom end imbibition port design of measuring pipet 5
The middle position of tapered suction inlet 52,5 length direction of measuring pipet is equipped with liquid storage cylinder 51.
The moment that magnetic one-way valve 7 is used to prevent the pipette 62 due to ear washing bulb 6 from removing 5 top port of measuring pipet, amount
The extractant liquid drawn in liquid pipe 5 declines the accuracy for generating leakage and influencing liquid relief, magnetic one-way valve 7 due to gravity
It is arranged in measuring pipet 5 corresponding to the position above the top end opening of liquid storage cylinder 51, magnetic one-way valve 7 includes one-way fluid channel
71, ball valve 72 and floating ball pallet 73, floating ball pallet 73 are arranged in one-way fluid channel 71, and the centre bit of floating ball pallet 73 installs
There are arc-shaped slot up and down, the edge of floating ball pallet 73 to be equipped with through flow hole 731 up and down, ball valve 72 is embedded in floating ball
In the arc-shaped slot of pallet 73.One-way fluid channel 71 is logical by interconnected tapered channel 711, Vertical Channel 712 and limit
Road 713 three parts composition, ball valve 72 are movably arranged in the tapered channel 711 and Vertical Channel 712 in one-way fluid channel 71, with
So that ball valve 72 can pump in tapered channel 711 and Vertical Channel 712.Tapered channel 711 and Vertical Channel
712 are extended along the axial direction of measuring pipet 5, and the internal diameter of tapered channel 711 is by 5 top of measuring pipet to 5 bottom of measuring pipet
The direction at end gradually increases, and the diameter of ball valve 72 is more than the diameter at 711 lowest calibre of tapered channel, so that ball valve 72 is located at
The most significant end of tapered channel 711 can block tapered channel 711.Tapered channel 711 is by corrosion-resistant, anti-aging rubber material
Or silica gel material is made, the magnetic hollow ball of tool is made using magnetic material in ball valve 72, and hollow ball, which also uses, to be had
Magnetic lightweight metal material is made, the outer surface cladding a thin layer rubber membrane or pellosil of ball valve 72, on the one hand so that ball
Valve 72 has corrosion resistance, on the other hand so that the flexible flexible film on 72 surface layer of ball valve is tight with tapered channel 711
It is closely connected conjunction and reach more sealing blocking effect.Being equipped with corresponding to the position of tapered channel 711 on the lateral wall of measuring pipet 5 can
The magnet ring 53 moved up and down along the length direction of measuring pipet 5 has magnetic ball valve 72 and is coordinated by magnetic with magnet ring 53, made
Measuring pipet 5 is obtained after negative pressure absorbing extract liquor, ball valve 72 can firmly be adsorbed on the tapered channel 711 in one-way fluid channel 71
The position of liquid outlet realizes the top for unidirectionally opening its liquid storage cylinder 51 of measuring pipet 5 with the cooperation by ball valve 72 and magnet ring 53
Opening is drawn to effectively prevent the pipette 62 due to ear washing bulb 6 to remove the moment of 5 top port of measuring pipet in measuring pipet 5
Extractant liquid generate leakage since gravity declines and influence the accuracy of liquid relief.
The utility model can accurate quantification pipette extractant novel extrusion type liquid-transfering device basic functional principle：Turn
The dynamic rotating handle 43 for pushing compression assemblies 4, rotating handle 43 drives is rotatably connected on 2 side wall of rectangle box body by bearing 42
On threaded rod 41, when rotating clockwise rotating handle 43, threaded rod 41 drives two sliding blocks 31 and is arranged on two sliding blocks 31
Two support columns 32 are moved respectively along limit slide opening 23 and limit sliding chutes 25 towards the direction of inside (close to each other), to profit
Air bag 61 is squeezed from 61 both sides of air bag of ear washing bulb 6 with two pieces of crushing blocks 44 being arranged two 32 insides of support column,
Gradually so that air bag 61 compressed, secondly, by the taper suction inlet 52 of measuring pipet 5 be inserted into extractant to be pipetted liquid level hereinafter,
Then rotating handle 43, two branch that threaded rod 41 drives two sliding blocks 31 and is arranged on two sliding blocks 31 are slowly rotated clockwise again
Dagger 32 is moved respectively along limit slide opening 23 and limit sliding chutes 25 towards the direction of outside (being located remotely from each other), to utilize setting
Two pieces of crushing blocks 44 two 32 insides of support column gradually unclamp the air bag 61 of ear washing bulb 6, gradually so that extensive with elasticity
The air bag 61 of renaturation energy gradually returns to the original form and forms negative pressure in air bag 61, in the interior negative pressure generated of air bag 61
Under effect, extractant to be pipetted enters the taper suction inlet 52 of measuring pipet 5, and extractant to be pipetted will the continuous amount of being inhaled into liquid
In the liquid storage cylinder 51 of pipe 5, when being full of extractant in the liquid storage cylinder 51 of measuring pipet 5, the extractant in liquid storage cylinder 51 will be successively
Entered in one-way fluid channel 71 by the through flow hole 731 on the top end opening of liquid storage cylinder 51, floating ball pallet 73, is arranged in floating ball
Ball valve 72 on pallet 73 moves upwards under the action of buoyancy, and so that ball valve 72 under the magnetic attraction force effect of magnet ring 53
Most significant end positioned at tapered channel 711 can block tapered channel 711, to effectively prevent the pipette due to ear washing bulb 6
62 remove the moment of 5 top port of measuring pipet, and the extractant liquid drawn in measuring pipet 5 generates leakage since gravity declines
And the accuracy of liquid relief is influenced, to reach liquid relief fast and accurately effect.When the extractant excess in measuring pipet 5, only need
Remove the magnet ring 53 on the lateral wall of measuring pipet 5 so that the 72 equal sky of float valve of tapered channel 711 stays one tiny for extractant
The gap of circulation, then rotating handle 43 is slowly rotated clockwise, threaded rod 41 drives two sliding blocks 31 and is arranged on two sliding blocks 31
Two support columns 32 respectively along limit slide opening 23 and limit sliding chutes 25 towards inside (close to each other) direction move, to
Air bag 61 is squeezed from 61 both sides of air bag of ear washing bulb 6 using two pieces of crushing blocks 44 being arranged two 32 insides of support column
To exclude extra extractant, to realize that accurate quantification takes the purpose of liquid.
The foregoing is merely the better embodiments of the present invention, and the invention is not limited in the above embodiments, are implementing
There may be the small structural modifications in part in the process, if the various changes or modifications of the present invention are not departed from the essence of the present invention
God and range, and belong within the scope of the claim and equivalent technologies of the present invention, then the present invention is also intended to comprising these changes
And modification.
Claims (7)
1. it is a kind of can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it is characterised in that：It includes holder, rectangular
Shape box body, slide assemblies push compression assemblies, measuring pipet, ear washing bulb and magnetic one-way valve, the holder to include pedestal, be in hang down
The retaining mechanism of telescopic adjustment is carried out to the telescopic rod being set on the base and to telescopic rod, the rectangle box body is in cross
To placement, and the rectangle box body is fixed at the top of the telescopic rod, in being internally provided with of the rectangle box body
Empty inner cavity, the top plate of the rectangle box body is equipped with the limit slide opening extended along rectangular box body length direction, described rectangular
The inner surface of the bottom plate of shape box body is equipped with limit sliding chutes, and the right plate of the rectangle box body is equipped with the circle that left and right penetrates through and leads to
Hole；The slide assemblies include two sliding blocks and two support columns, and two sliding blocks are arranged in the limit and slide symmetrically
In slot, each support column is in longitudinally disposed, and the bottom end of each support column is fixed on corresponding sliding block, each support column
Top extend to the outside of hollow cavity via limit slide opening from inside hollow cavity, each support column is close to the position of sliding block
Equipped with the perforative internal thread hole in left and right；The promotion compression assemblies include threaded rod, bearing, rotating handle and two pieces of crushing blocks,
The position corresponding to circular through hole is arranged in hollow cavity in the bearing, and the left end of the threaded rod sequentially passes through round lead to
Hole, the inner ring of bearing, the internal thread hole on two support columns extend to the left side of hollow cavity, the external screw thread on the threaded rod
Cooperation, and the internal thread hand of spiral phase in two internal thread holes are engaged with the internal thread in the internal thread hole on two support columns
Instead, the right end of the threaded rod is fixedly connected with convenient for rotating the rotating handle of the threaded rod, and each crushing block is arranged right
The air bag of the inside for the support column answered, the ear washing bulb is arranged between the medial surface of two pieces of crushing blocks；The suction of the ear washing bulb
Liquid pipe is connect with the top port sealing of the measuring pipet, and the measuring pipet is equipped with liquid storage cylinder；The magnetic one-way valve setting exists
Corresponding to the top of the top end opening of liquid storage cylinder in the measuring pipet, the magnetic one-way valve includes one-way fluid channel, ball valve
With floating ball pallet, the floating ball pallet is arranged in the one-way fluid channel, and the center of the floating ball pallet is equipped with upper
The arc-shaped slot of lower perforation, the edge of the floating ball pallet are equipped with through flow hole up and down, and the ball valve is embedded in the arc
In shape slot, being equipped with corresponding to the position in the one-way fluid channel on the lateral wall of the measuring pipet can be along the length of measuring pipet
The magnet ring that direction moves up and down, ball valve are using hollow ball made of magnetic material, and the magnet ring is matched with the ball valve.
2. it is according to claim 1 can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it is characterised in that：
The one-way fluid channel is made of interconnected tapered channel, Vertical Channel and limit channels three parts, and the ball valve is logical
It crosses the floating ball pallet to be arranged in the Vertical Channel, the internal diameter of the tapered channel is by measuring pipet top to measuring pipet bottom end
Direction gradually increase, the diameter of the ball valve is more than the diameter at tapered channel lowest calibre.
3. it is according to claim 2 can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it is characterised in that：
The tapered channel is made of corrosion-resistant, anti-aging rubber material or silica gel material.
4. it is according to claim 1 can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it is characterised in that：
The outer surface of the ball valve is coated with rubber membrane or pellosil.
5. it is according to claim 1 can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it is characterised in that：
Design tapered suction inlet in the bottom end imbibition port of the measuring pipet.
6. it is according to claim 1 can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it is characterised in that：
The middle position of the measuring pipet length direction is equipped with liquid storage cylinder.
7. it is according to claim 1 can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant, it is characterised in that：
The measuring pipet is the glass pipet that capacity is 5~50ml.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919939.3U CN207823049U (en) | 2017-12-28 | 2017-12-28 | Can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919939.3U CN207823049U (en) | 2017-12-28 | 2017-12-28 | Can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant |
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| Publication Number | Publication Date |
|---|---|
| CN207823049U true CN207823049U (en) | 2018-09-07 |
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ID=63391065
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721919939.3U Active CN207823049U (en) | 2017-12-28 | 2017-12-28 | Can accurate quantification pipette the novel extrusion type liquid-transfering device of extractant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113083390A (en) * | 2021-03-24 | 2021-07-09 | Oppo广东移动通信有限公司 | Suction tube |
| CN113332503A (en) * | 2021-05-25 | 2021-09-03 | 中国人民解放军总医院第八医学中心 | Polymer department of stomatology device of adding medicine to |
| CN114308168A (en) * | 2020-09-30 | 2022-04-12 | 富佳生技股份有限公司 | Liquid transfer device |
-
2017
- 2017-12-28 CN CN201721919939.3U patent/CN207823049U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114308168A (en) * | 2020-09-30 | 2022-04-12 | 富佳生技股份有限公司 | Liquid transfer device |
| CN113083390A (en) * | 2021-03-24 | 2021-07-09 | Oppo广东移动通信有限公司 | Suction tube |
| CN113332503A (en) * | 2021-05-25 | 2021-09-03 | 中国人民解放军总医院第八医学中心 | Polymer department of stomatology device of adding medicine to |
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