CN207324859U - A kind of clinical laboratory's pipette - Google Patents
A kind of clinical laboratory's pipette Download PDFInfo
- Publication number
- CN207324859U CN207324859U CN201720677145.4U CN201720677145U CN207324859U CN 207324859 U CN207324859 U CN 207324859U CN 201720677145 U CN201720677145 U CN 201720677145U CN 207324859 U CN207324859 U CN 207324859U
- Authority
- CN
- China
- Prior art keywords
- liquid relief
- relief cylinder
- screw thread
- baffle
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of clinical laboratory's pipette, the field of medical instrument technology the utility model is related to.Clinical laboratory's pipette, including liquid relief cylinder, glass tube and threaded rod, the top of the glass tube are run through the bottom plate of liquid relief cylinder and are connected with the inner cavity of liquid relief cylinder；Lift span is offered in the middle part of the top plate of the liquid relief cylinder；The inner cavity lower part of the liquid relief cylinder is provided with piston plate, and the edge of piston plate and liquid relief cylinder sliding contact, the inner wall of the liquid relief cylinder is installed with first baffle, the top of the piston plate is installed with screw thread lifting tube, and first baffle and lift span and the top for extending to liquid relief cylinder are run through in the top of screw thread lifting tube；The lower part of the screw thread lifting tube offers lifting groove, threaded rod and lever is driven to move up and down by rotating threaded block, the scope moved up and down so as to control piston plate, it is such to design the amount for alloing operator to adjust absorption easily, improve work efficiency, reduce error, be conducive to judgement of the staff to detection target.
Description
Technical field
The field of medical instrument technology is the utility model is related to, is specially a kind of clinical laboratory's pipette.
Background technology
Medical instrument refers to instrument, equipment, utensil, external diagnosis reagent and the calibration for being directly or indirectly used for human body
Thing, material and other similar or relevant articles, including required computer software；Effectiveness mainly passes through the side such as physics
Formula obtains, although not being to be obtained by way of pharmacology, immunology either metabolism or have these modes to participate in only rising
Booster action；For accurately pipetting the measuring device of the solution of certain volume.Pipette is that one kind measures formula instrument, is only used for measuring it
The volume of released solution.It is the slender glass tube that there is an enlargement in a centre.Its lower end is sharp mouth shape, upper end neck
A graticule is carved with place, is the mark of pipetted exact volume；Common pipette has 5,10,25, and 50mL equal-specifications.
Usually call pipette having graduated straight glass tube again.
Existing clinical laboratory pipette need it is general only include a pipette, when liquid relief, is needed manually by drawing,
It is so not only complicated, but also the amount of absorption can not accurately be controlled, the plenty of time can be wasted, work efficiency is reduced, may be used also
Taken amount can be caused to be not allowed to cause to examine error, influence judgement of the people to detection target；Partial test section pipette also
It can quantify and draw target liq, but without contrast scale, cannot thus discharge the error brought due to failure.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of clinical laboratory's pipette, and solving to quantify
The problem of absorption.
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of clinical laboratory's pipette,
Including liquid relief cylinder, glass tube and threaded rod, the top of the glass tube is run through the bottom plate of liquid relief cylinder and is connected with the inner cavity of liquid relief cylinder
It is logical；Lift span is offered in the middle part of the top plate of the liquid relief cylinder；The inner cavity lower part of the liquid relief cylinder is provided with piston plate, and piston plate
Edge and liquid relief cylinder sliding contact, the inner wall of the liquid relief cylinder is installed with first baffle, and the top of the piston plate is consolidated
Dingan County is equipped with screw thread lifting tube, and the top of screw thread lifting tube through first baffle and lift span and extends to the upper of liquid relief cylinder
Side；The lower part both sides of the screw thread lifting tube offer lifting groove, and the screw thread lifting tube is located on the end outside liquid relief cylinder
Moving block is rotatably connected to, the top of the moving block is fixedly connected with threaded block, and moving block is run through in the bottom of the threaded rod
With threaded block and extend to the inside of screw thread lifting tube, the middle part thread fitting of the threaded rod and the threaded block, the spiral shell
The internal whorl of rasp bar and the screw thread lifting tube coordinates, and the bottom of the threaded rod and one end of connecting pole are affixed, the company
The other end loose collar for connecing column is cased with bearing, and two bars are symmetrically connected with the side wall of the bearing, and the bar passes through institute
State lifting groove and extend to the outside of the screw thread lifting tube.
Preferably, the surface pivots of the moving block are connected with rotor plate, the side internal slide connection of the rotor plate
There is the first slide bar, and the bottom of the first slide bar is fixedly connected with the top of liquid relief cylinder, is set between the rotor plate and the first slide bar
There is card column.
Preferably, fixed peace in the outer peripheral sidewall of the screw thread lifting tube between first baffle and liquid relief cylinder top plate
Equipped with second baffle, the first baffle top is installed with the second slide bar, and second gear is run through on the top of second slide bar
Plate and the inner cavity top for extending to liquid relief cylinder, second slide bar are to be fixedly connected with the top plate of liquid relief cylinder, second slide bar
It is to be slidably connected with second baffle；Bullet is installed between the first baffle and second baffle and on the second slide bar
Spring.
Preferably, the rotor plate is installed with handle close to one end of the first slide bar.
Preferably, it is provided with scale on the surface of the threaded rod.
Preferably, contrast scale is provided with the surface of the glass tube, the bottom of the glass tube offers liquid relief mouth.
Beneficial effect
The utility model provides a kind of clinical laboratory's pipette.Possesses following beneficial effect：
(1), clinical laboratory's pipette, by being threaded bar, screw thread lifting tube, bar, first baffle and second gear
Being used cooperatively for the elements such as plate has achieveed the purpose that quantitative absorption.Moved down by rotating on threaded block drive threaded rod and bar
Dynamic, so that the scope that control piston plate moves up and down, such design allows operator to adjust the amount of absorption easily, adds
Work efficiency, reduces error, is conducive to judgement of the staff to detection target.
(2), clinical laboratory's pipette, the more accurate mesh of amount of sampling is made by having reached there is provided contrast scale
's.Compare scale during sampling and contrast the large error that scale can prevent the factors such as operation error from bringing, be so conducive to really
Protect the Stability and veracity of experiment.
(3), clinical laboratory's pipette, by there is provided handle and threaded block etc., having achieveed the purpose that convenience operates.Take
Threaded block need to be only rotated during sample, scale is adjusted to specifically be worth, then squeeze grip can accurately and conveniently extract sample.
Brief description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the utility model structure diagram；
Fig. 3 is the structure diagram of the utility model threaded block；
Fig. 4 is the partial enlarged view of part A in Fig. 2；
Fig. 5 is the partial schematic diagram of the outer wall of screw thread lifting tube.
In figure：1 liquid relief cylinder, 2 glass tubes, 3 threaded rods, 301 connecting poles, 302 bearings, 4 piston plates, 5 screw thread lifting tubes, 6
Lifting groove, 7 lift spans, 8 moving blocks, 9 threaded blocks, 10 bars, 11 rotor plates, 12 first slide bars, 13 first baffles, 14 second gear
Plate, 15 second slide bars, 16 springs, 17 handles, 18 scales, 19 contrast scales, 20 liquid relief mouths.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of clinical laboratory's pipette, including liquid relief cylinder
1st, glass tube 2 and threaded rod 3, the top of glass tube 2 are run through the bottom plate of liquid relief cylinder 1 and are connected with the inner cavity of liquid relief cylinder 1；Liquid relief cylinder
Lift span 7 is offered in the middle part of 1 top plate；The inner cavity lower part of liquid relief cylinder 1 is provided with piston plate 4, and the edge and liquid relief of piston plate 4
1 sliding contact of cylinder, the inner wall of liquid relief cylinder 1 are installed with first baffle 13, and the top of piston plate 4 is installed with screw thread lifting
Cylinder 5, and first baffle 13 and lift span 7 and the top for extending to liquid relief cylinder 1 are run through in the top of screw thread lifting tube 5；Screw thread lifts
The lower part of cylinder 5 offers lifting groove 6, and screw thread lifting tube 5, which is located on the end outside liquid relief cylinder 1, is rotatably connected to moving block 8, turns
The top of motion block 8 is fixedly connected with threaded block 9, and the bottom of threaded rod 3 through moving block 8 and threaded block 9 and extends to screw thread liter
The inside of cylinder 5, the middle part thread fitting of the threaded rod 3 and the threaded block 9 drop, and the threaded rod 3 is lifted with the screw thread
Cylinder 5 internal whorl coordinate, the bottom and one end of connecting pole 301 of the threaded rod 3 are affixed, the connecting pole 301 it is another
End loose collar is cased with bearing 302, two bars 10 is symmetrically connected with the side wall of the bearing 302, the bar 10 passes through institute
State lifting groove 6 and extend to the outside of the screw thread lifting tube 5；Rotate threaded block 9 and drive threaded rod 3 in screw thread lifting tube 5
Move up and down, screw thread lifting tube 5 cannot be rotated by the constraint of mechanism, so as to drive bar 10 to be moved down on the inside of lifting groove 6
Dynamic, when the part outside bar 10 is located at screw thread lifting tube 5 is contacted with first baffle 13, bar 10 is blocked with first baffle 13
Prevent piston plate 4 from moving up, so as to limit the range of piston plate 4；The surface pivots of moving block 8 are connected with rotor plate
11, the side internal slide of rotor plate 11 is connected with the first slide bar 12, and card column is equipped between 11 and first slide bar 12 of rotor plate
(not shown), card column pass through 11 and first slide bar 12 of rotor plate, for rotor plate 11 to be stuck in the first slide bar 12, and
The bottom of one slide bar 12 is fixedly connected with the top of liquid relief cylinder 1；Screw thread liter between 1 top plate of first baffle 13 and liquid relief cylinder
Dropping and be installed with second baffle 14 in the outer peripheral sidewall of cylinder 5,13 top of first baffle is installed with the second slide bar 15, the
The top of two slide bars 15 is through second baffle 14 and extends to the inner cavity top of liquid relief cylinder 1, the top of the second slide bar 15 and liquid relief cylinder 1
For plate to be fixedly connected, the second slide bar 15 is to be slidably connected with second baffle 14；Between first baffle 13 and second baffle 14 and position
In being installed with spring 16 on the second slide bar 15, the elasticity of spring 16, makes second baffle 14 have what is moved up to become all the time
Gesture, so that second baffle 14 drives screw thread lifting tube 5 to have the trend moved up, bar 10 often moves down in lifting groove 6
A bit, spring 16 can all be moved up a bit by 14 screw thread lifting tube 5 of second baffle, so that piston plate 4 is upward
Mobile same distance, so as to form space between piston plate 4 and liquid relief cylinder 1, rotor plate 11 is close to one end of the first slide bar 12
It is installed with handle 17；Scale 18 is provided with the surface of threaded rod 3；Contrast scale 19 is provided with the surface of glass tube 2,
The bottom of glass tube 2 offers liquid relief mouth 20；Threaded rod 3 and bar 10 is driven to move up and down by rotating threaded block 9, so as to control
The scope that piston plate 4 processed moves up and down, such design allow operator to adjust the amount of absorption easily, add work effect
Rate, reduces error, is conducive to judgement of the staff to detection target.
In use, first rotating threaded block 9, threaded block 9, which rotates, drives threaded rod 3 and bar 10 to move up and down, with bar
10 decline in lifting groove 6, under the action of the spring 16 screw thread lifting tube 5 and piston plate 4 slowly rise, the work of piston plate 4
Dynamic scope is also changing；Treat that scale 18 is adjusted to the value specified, then squeeze grip 17, handle 17 and pass through rotor plate 11 and screw thread liter
The drop drive piston plate 4 of cylinder 5 drops to the bottom of liquid relief cylinder 1；Inlet 20 is inserted into below liquid level at this time, then unclamps handle
Hand, the spring 16 being fixed on first baffle 13 drive screw thread lifting tube 5 and piston plate 4 to move up by second baffle 14,
When bar 10 is contacted with first baffle 13, piston plate 4 and screw thread lifting tube 5 stop rising, and piston plate 4 moves up band hydrodynamic
Body enters glass tube 2, then reads a contrast scale value by contrasting scale 19, then will contrast scale value and restriction
Value is contrasted to determine whether there is large error, and this completes the operation accurately sampled.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Also there are other identical element in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of clinical laboratory's pipette, including liquid relief cylinder (1), glass tube (2) and threaded rod (3), it is characterised in that：The glass
The top of glass pipe (2) is run through the bottom plate of liquid relief cylinder (1) and is connected with the inner cavity of liquid relief cylinder (1)；In the top plate of the liquid relief cylinder (1)
Portion offers lift span (7)；The inner cavity lower part of the liquid relief cylinder (1) is provided with piston plate (4), and the edge of piston plate (4) with
Liquid relief cylinder (1) sliding contact, the inner wall of the liquid relief cylinder (1) are installed with first baffle (13), the top of the piston plate (4)
End is installed with screw thread lifting tube (5), and first baffle (13) and lift span (7) are run through simultaneously in the top of screw thread lifting tube (5)
Extend to the top of liquid relief cylinder (1)；The lower part both sides of the screw thread lifting tube (5) offer lifting groove (6), the screw thread lifting
Cylinder (5), which is located on the exterior end of liquid relief cylinder (1), is rotatably connected to moving block (8), and the top of the moving block (8) is fixedly connected
There is threaded block (9), the bottom of the threaded rod (3) through moving block (8) and threaded block (9) and extends to screw thread lifting tube (5)
Inside, the middle part thread fitting of the threaded rod (3) and the threaded block (9), the threaded rod (3) lifts with the screw thread
The internal whorl of cylinder (5) coordinates, and the bottom and one end of connecting pole (301) of the threaded rod (3) are affixed, the connecting pole
(301) other end loose collar is cased with bearing (302), and two bars (10) are symmetrically connected with the side wall of the bearing (302),
The bar (10) is through the lifting groove (6) and extends to the outside of the screw thread lifting tube (5).
A kind of 2. clinical laboratory's pipette according to claim 1, it is characterised in that：The surface of the moving block (8) turns
Dynamic to be connected with rotor plate (11), the side internal slide of the rotor plate (11) is connected with the first slide bar (12), and the first slide bar
(12) bottom is fixedly connected with the top of liquid relief cylinder (1), and card column is equipped between the rotor plate (11) and the first slide bar (12).
A kind of 3. clinical laboratory's pipette according to claim 1, it is characterised in that：Positioned at first baffle (13) and liquid relief
Second baffle (14), the first gear are installed with the outer peripheral sidewall of the screw thread lifting tube (5) between cylinder (1) top plate
Plate (13) top is installed with the second slide bar (15), and the top of second slide bar (15) through second baffle (14) and extends
To the inner cavity top of liquid relief cylinder (1), with the top plate of liquid relief cylinder (1) to be fixedly connected, described second slides second slide bar (15)
Bar (15) is to be slidably connected with second baffle (14)；Between the first baffle (13) and second baffle (14) and positioned at second
Spring (16) is installed with slide bar (15).
A kind of 4. clinical laboratory's pipette according to claim 2, it is characterised in that：The rotor plate (11) is close to first
One end of slide bar (12) is installed with handle (17).
A kind of 5. clinical laboratory's pipette according to claim 1, it is characterised in that：On the surface of the threaded rod (3)
It is provided with scale (18).
A kind of 6. clinical laboratory's pipette according to claim 1, it is characterised in that：On the surface of the glass tube (2)
Contrast scale (19) is provided with, the bottom of the glass tube (2) offers liquid relief mouth (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677145.4U CN207324859U (en) | 2017-06-12 | 2017-06-12 | A kind of clinical laboratory's pipette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677145.4U CN207324859U (en) | 2017-06-12 | 2017-06-12 | A kind of clinical laboratory's pipette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207324859U true CN207324859U (en) | 2018-05-08 |
Family
ID=62426382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720677145.4U Expired - Fee Related CN207324859U (en) | 2017-06-12 | 2017-06-12 | A kind of clinical laboratory's pipette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207324859U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114222629A (en) * | 2019-08-16 | 2022-03-22 | 立洋有限公司 | Suction volume correction mechanism for pipette, and correction method for pipette |
-
2017
- 2017-06-12 CN CN201720677145.4U patent/CN207324859U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114222629A (en) * | 2019-08-16 | 2022-03-22 | 立洋有限公司 | Suction volume correction mechanism for pipette, and correction method for pipette |
| CN114222629B (en) * | 2019-08-16 | 2023-11-14 | 立洋有限公司 | Suction volume correction mechanism for pipette, and correction method for pipette |
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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: 20180508 Termination date: 20200612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |