CN207307896U - A kind of lower end extension type pipettor - Google Patents
A kind of lower end extension type pipettor Download PDFInfo
- Publication number
- CN207307896U CN207307896U CN201721341920.5U CN201721341920U CN207307896U CN 207307896 U CN207307896 U CN 207307896U CN 201721341920 U CN201721341920 U CN 201721341920U CN 207307896 U CN207307896 U CN 207307896U
- Authority
- CN
- China
- Prior art keywords
- telescoping tube
- pipettor
- scotch
- extension type
- end extension
- 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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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a kind of lower end extension type pipettor, including pipettor main body, the second telescoping tube and scotch, the lower end of the pipettor main body is provided with connector, and connector is connected by screw thread with the upper end of the first telescoping tube, second telescoping tube is interspersed in the inside of the first telescoping tube by sealing ring, and first the lower end of telescoping tube be connected by screw thread with locking cap, the scotch is arranged on the upper end inside the first telescoping tube, and gasket is provided with above scotch.The lower end extension type pipettor, the lower end of pipettor main body is provided with the first telescoping tube and the second telescoping tube, the lower end of first telescoping tube is provided with locking cap, can prevent the second telescoping tube from being pulled out out of first telescoping tube, is conducive to slip of second telescoping tube in the first telescoping tube.
Description
Technical field
Pipettor technical field is the utility model is related to, is specially a kind of lower end extension type pipettor.
Background technology
Pipettor is when taking liquid, and with the reduction of liquid in containers volume, the liquid level of solution decreases, and is moved at present
The limitation of liquid device lower end length and diameter, when container (test tube, centrifuge tube, volumetric flask when) in solution it is less when, use pipettor
It just can not be successfully and pipette solution.
In order to sample, it has to just solution, which is poured into another large container, can be continuing with pipettor, can increase molten
The probability of liquid pollution, therefore, it is contemplated that improving current pipettor, is allowed to the pipettor for possessing lower end retractable.
Utility model content
The purpose of this utility model is to provide a kind of lower end extension type pipettor, to solve to carry in above-mentioned background technology
The existing pipettor gone out is restricted in use, it has not been convenient to the problem of the use of user.
To achieve the above object, the utility model provides following technical solution：A kind of lower end extension type pipettor, including
Pipettor main body, the second telescoping tube and scotch, the lower end of the pipettor main body is provided with connector, and connector passes through spiral shell
Line is connected with the upper end of the first telescoping tube, and second telescoping tube is interspersed in the inside of the first telescoping tube by sealing ring, and
The lower end of first telescoping tube is connected by screw thread with locking cap, and the scotch is arranged on the upper end inside the first telescoping tube,
And gasket is provided with above scotch.
Preferably, the diameter of the described first flexible pipe orifice is more than the outer diameter of the second telescoping tube, and the first telescoping tube
Center line overlapped with the center line of the second telescoping tube.
Preferably, the locking cap includes through hole, and through hole is located at the center of locking cap, and the diameter of through hole is more than the
The outer diameter of two telescoping tubes.
Preferably, second telescoping tube includes bulge loop and groove, and bulge loop is located at the lower section of bottom groove, groove with
The parallel installation of bulge loop.
Preferably, the sealing ring is provided with two, and the inner wall right angle setting of sealing ring and the first telescoping tube altogether.
Preferably, the diameter of bore of the scotch is less than the diameter of bore of the second telescoping tube, and scotch is stretched to first
The distance between draw is less than the length of the second telescoping tube.
Compared with prior art, the beneficial effects of the utility model are：The lower end extension type pipettor, in pipettor master
The lower end of body is provided with the first telescoping tube and the second telescoping tube, plays the role of adjusting pipettor main body lower end length, by first
Telescoping tube, using being threadedly coupled, plays the role of making the first telescoping tube be fixedly connected with connector with connector, and first is flexible
Sealing ring and scotch are provided with pipe, plays the role of making sealing between the first telescoping tube and connector, and scotch can
Prevent the second telescoping tube from protruding fully into the inside of the first telescoping tube, be conducive to the second telescoping tube stretching inside the first telescoping tube
Contracting, is provided with sealing ring on the second telescoping tube, plays the role of making being tightly connected between the first telescoping tube and the second telescoping tube,
Be conducive to the use of the lower end extension type pipettor, locking cap be provided with the lower end of the first telescoping tube, and lead on locking cap
The diameter in hole is more than the outer diameter of the second telescoping tube, plays the role of being used cooperatively with the second telescoping tube convex ring, can prevent
Second telescoping tube is pulled out out of first telescoping tube, is conducive to slip of second telescoping tube in the first telescoping tube.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the first telescoping tube of the utility model and the second flexible pipe structure schematic diagram；
Fig. 3 is the utility model A node enlarged structure schematic diagrams；
Fig. 4 is the utility model B node enlarged structure schematic diagram.
In figure：1st, pipettor main body, 2, connector, the 3, first telescoping tube, 4, locking cap, 401, through hole, 5, second is flexible
Pipe, 501, bulge loop, 502, groove, 6, sealing ring, 7, scotch, 8, screw thread, 9, gasket.
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.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of lower end extension type pipettor, including move
It is liquid device main body 1, connector 2, the first telescoping tube 3, locking cap 4, through hole 401, the second telescoping tube 5, bulge loop 501, groove 502, close
Seal 6, scotch 7, screw thread 8 and gasket 9, the lower end of pipettor main body 1 is provided with connector 2, and connector 2 passes through screw thread
8 are connected with the upper end of the first telescoping tube 3, and the diameter of 3 endoporus of the first telescoping tube is more than the outer diameter of the second telescoping tube 5, and
The center line of first telescoping tube 3 is overlapped with the center line of the second telescoping tube 5, sets the first telescoping tube 3 and the second telescoping tube 5 to play
The effect of 1 lower end length of pipettor main body is adjusted, the second telescoping tube 5 is interspersed in the inside of the first telescoping tube 3 by sealing ring 6,
And first the lower end of telescoping tube 3 be connected by screw thread 8 with locking cap 4, locking cap 4 includes through hole 401, and through hole 401 is located at
The center of locking cap 4, the diameter of through hole 401 are more than the outer diameter of the second telescoping tube 5, set locking cap 4 to play and the
The effect that two telescoping tubes, 5 convex ring 501 is used cooperatively, can prevent the second telescoping tube 5 from being pulled out out of first telescoping tube 3, be conducive to
Slip of second telescoping tube 5 in the first telescoping tube 3, the second telescoping tube 5 include bulge loop 501 and groove 502, and bulge loop 501
In the lower section of bottom groove 502, groove 502 and 501 parallel installation of bulge loop, set groove 502 to be conducive to the fixation of sealing ring 6
Installation, sealing ring 6 are provided with altogether two, and the inner wall right angle setting of 6 and first telescoping tube 3 of sealing ring, set sealing ring 6 to rise
To the effect for making to seal between the first telescoping tube 3 and connector 2, scotch 7 is arranged on the upper end inside the first telescoping tube 3, and
The top of scotch 7 is provided with gasket 9, and the diameter of bore of scotch 7 is less than the diameter of bore of the second telescoping tube 5, and stop
The distance between telescoping tube of block 7 to the first 3 is less than the length of the second telescoping tube 5, sets scotch 7 to prevent the second telescoping tube 5
The inside of the first telescoping tube 3 is protruded fully into, it is flexible inside the first telescoping tube 3 to be conducive to the second telescoping tube 5.
Operation principle：When using the lower end extension type pipettor, first check whether each structure of pipettor main body 1 is complete
It is good, after inspection, the first telescoping tube 3 is tightened on connector 2 by screw thread 8, and connector 2 is held out against the first telescoping tube
3 inner sealing pads 9, then the one end of the second telescoping tube 5 with sealing ring 6 is inserted into the first telescoping tube 3, make on locking cap 4
Through hole 401 be sleeved on the second telescoping tube 5, and locking cap 4 is tightened on the lower end of the first telescoping tube 3, scotch by screw thread 8
7 can fixing seal pad 9, and can prevent the second telescoping tube 5 from protruding fully into the inside of the first telescoping tube 3, when needing using moving
During liquid device main body 1, the second telescoping tube 5 can be slided up and down by sealing ring 6 in the first telescoping tube 3, on the second telescoping tube 5
Bulge loop 501 can be used cooperatively with locking cap 4, prevent the second telescoping tube 5 from being skidded off out of first telescoping tube 3, groove 502 can fix peace
Sealing ring 6 is filled, the above is just completed the sequence of operations of the lower end extension type pipettor, is not described in detail in this specification
Content belongs to the prior art known to professional and technical personnel in the field.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic into
Row equivalent substitution, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of lower end extension type pipettor, including pipettor main body (1), the second telescoping tube (5) and scotch (7), it is special
Sign is：The lower end of the pipettor main body (1) is provided with connector (2), and connector (2) is stretched by screw thread (8) with first
The upper end of the draw (3) is connected, and second telescoping tube (5) is interspersed in the inside of the first telescoping tube (3) by sealing ring (6),
And first the lower end of telescoping tube (3) be connected by screw thread (8) with locking cap (4), it is flexible that the scotch (7) is arranged on first
(3) internal upper end is managed, and gasket (9) is provided with above scotch (7).
A kind of 2. lower end extension type pipettor according to claim 1, it is characterised in that：First telescoping tube (3)
The diameter of endoporus is more than the outer diameter of the second telescoping tube (5), and the center line of the first telescoping tube (3) and the second telescoping tube (5)
Center line overlap.
A kind of 3. lower end extension type pipettor according to claim 1, it is characterised in that：The locking cap (4) includes
Through hole (401), and through hole (401) is located at the center of locking cap (4), the diameter of through hole (401) is more than the second telescoping tube (5)
Outer diameter.
A kind of 4. lower end extension type pipettor according to claim 1, it is characterised in that：Second telescoping tube (5)
Including bulge loop (501) and groove (502), and bulge loop (501) is located at the lower section of bottom groove (502), groove (502) and bulge loop
(501) parallel installation.
A kind of 5. lower end extension type pipettor according to claim 1, it is characterised in that：The sealing ring (6) is altogether
It is provided with two, and the inner wall right angle setting of sealing ring (6) and the first telescoping tube (3).
A kind of 6. lower end extension type pipettor according to claim 1, it is characterised in that：The scotch (7) it is interior
Bore dia is less than the diameter of bore of the second telescoping tube (5), and scotch (7) is less than the to the distance between the first telescoping tube (3)
The length of two telescoping tubes (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721341920.5U CN207307896U (en) | 2017-10-18 | 2017-10-18 | A kind of lower end extension type pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721341920.5U CN207307896U (en) | 2017-10-18 | 2017-10-18 | A kind of lower end extension type pipettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207307896U true CN207307896U (en) | 2018-05-04 |
Family
ID=62381237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721341920.5U Expired - Fee Related CN207307896U (en) | 2017-10-18 | 2017-10-18 | A kind of lower end extension type pipettor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207307896U (en) |
-
2017
- 2017-10-18 CN CN201721341920.5U patent/CN207307896U/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: 20180504 Termination date: 20191018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |