CN208642702U - A kind of high-precision quantitative pipettor - Google Patents
A kind of high-precision quantitative pipettor Download PDFInfo
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- CN208642702U CN208642702U CN201821241664.7U CN201821241664U CN208642702U CN 208642702 U CN208642702 U CN 208642702U CN 201821241664 U CN201821241664 U CN 201821241664U CN 208642702 U CN208642702 U CN 208642702U
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- China
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- gun body
- inner cavity
- push rod
- cyclization
- precision quantitative
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Abstract
The utility model discloses a kind of high-precision quantitative pipettors, including gun body, pipette, push rod, transparent panel, graduated scale, engaging groove, pinion gear, piston, spring, thread barrel, gear wheel, positioning plate, with cyclization, limit hole, gag lever post, endless glide, annular groove, inner cavity and slide opening, inner cavity is offered in the gun body, the gun body bottom is connected with pipette, slide opening is offered at the top of the gun body, and sliding is interspersed with push rod in slide opening, the push rod end portion is located at inner cavity and is fitted with piston, it is located at inner cavity on the outside of the push rod and is arranged with spring, and piston passes through spring and inner cavity top elastic connection, this pipettor passes through rotation pinion, carry out slowly adjustment sucking space, it is compared further according to graduated scale, realize high-precision quantitative sucking, it is easy to operate, simultaneously by holding slot and referring to Backup plate carries out pipettor to stablize assurance, increases manipulation comfort.
Description
Technical field
The utility model relates to pipettor technical field, specially a kind of high-precision quantitative pipettor.
Background technique
Pipettor is also known as liquid-transfering gun, is a kind of utensil for quantitative transfer liquid, is widely used in the neck such as biology, chemistry
Domain, a series of pipettor performance by obtaining related data after complete tests that every pipettor all has factory's offer are demonstrate,proved
Book, pipettor is critically important for the adjusting of liquid-taken amount when using, and common pipettor adjusts trouble, and precision is low, while general
The control comfort level of logical pipettor is also low, for this purpose, it is proposed that a kind of high-precision quantitative pipettor.
Utility model content
The purpose of this utility model is to provide a kind of high-precision quantitative pipettors, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of high-precision quantitative pipettor, including rifle
Body, push rod, transparent panel, graduated scale, engaging groove, pinion gear, piston, spring, thread barrel, gear wheel, positioning plate, is matched at pipette
Cyclization, limit hole, gag lever post, endless glide, annular groove, inner cavity and slide opening offer inner cavity, the gun body in the gun body
Bottom is connected with pipette, slide opening is offered at the top of the gun body, and sliding is interspersed with push rod, the push rod end position in slide opening
Be fitted with piston in inner cavity, inner cavity be located on the outside of the push rod and is arranged with spring, and piston by spring with
Inner cavity top elastic connection, the gun body are internally located at inner cavity bottom end and offer engaging groove, and outside engaging groove side and gun body
Connectivity part is rotatably equipped with pinion gear outside connection, the engaging groove and gun body, and the engaging groove is internally located at the same axle position of gun body
Gear wheel is installed, and gear wheel engages connection with pinion gear, the gear wheel two sides are symmetrically fixed with endless glide, described to nibble
It closes groove sidewall and symmetrically offers annular groove, and endless glide is slidably connected with annular groove, is located at the gear wheel center
It being fixed in gun body channel with cyclization, the cooperation ring inner surface offers internal screw thread, and it is described with being interspersed with thread barrel in cyclization,
External screw thread is offered on the outside of the thread barrel, and thread barrel engages connection with cyclization, the thread barrel end is located at interior intracavitary
Portion is fixed with positioning plate, and the inner cavity symmetrically offers limit hole close to positioning plate one end, and the positioning plate surface is located at limit
Hole corresponding position is fixed with gag lever post, and in gag lever post insertion limit hole, is fixed with transparent panel, and transparent panel on the outside of the gun body
Side is marked with graduated scale.
Preferably, gun body end side is fixed with finger backup plate, and gun body surface is located at finger backup plate lower section and offers hand
Hold slot.
Preferably, the push rod end is fixed with push handle.
Preferably, absorbent wool is placed with close to pipette one end inside the gun body.
Preferably, described to be fixed with rubber layer with cyclization outside, and be close to by rubber layer with gun body inner wall with cyclization.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model stirs pinion rotation by finger, and gear wheel is made to follow rotation, then the biography by matching cyclization
It is dynamic, realize moving up and down for thread barrel, the position of positioning plate has determined the soakage of liquid, compares adjustment positioning by graduated scale
Board position, this pipettor is carried out slowly adjustment sucking space, is compared further according to graduated scale by rotation pinion, real
Show high-precision quantitative sucking, it is easy to operate.
2, it after the utility model positioning Board position is adjusted, holds and is holding groove location, thumb is against finger backup plate, pressing
Push handle, the position of piston is observed by transparent panel, and is compared graduated scale and shifted piston onto certain position, bottom is not shifted onto, by liquid relief
Pipe is inserted into liquid, unclamps push handle, and liquid sucks in pipette, when drain, shifts push rod onto bottom, this liquid relief of surplus liquid is discharged
Device increases manipulation comfort by holding slot and referring to that backup plate carries out pipettor to stablize assurance.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model entirety schematic cross-sectional view；
Fig. 3 is the utility model with cyclization and thread barrel engaging structure schematic diagram；
Fig. 4 is the utility model gag lever post and limit hole position view.
In figure: 1, gun body；2, pipette；3, push rod；4, push handle；5, refer to backup plate；6, slot is held；7, transparent panel；8, scale
Mark；9, engaging groove；10, pinion gear；11, piston；12, spring；13, thread barrel；14, gear wheel；15, positioning plate；16, cooperate
Ring；17, limit hole；18, gag lever post；19, endless glide；20, annular groove；21, absorbent wool；22, inner cavity；23, slide opening.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of high-precision quantitative pipettor, including gun body
1, pipette 2, push rod 3, transparent panel 7, graduated scale 8, engaging groove 9, pinion gear 10, piston 11, spring 12, thread barrel 13, canine tooth
Wheel 14, matches cyclization 16, limit hole 17, gag lever post 18, endless glide 19, annular groove 20, inner cavity 22 and slide opening at positioning plate 15
23, inner cavity 22 is offered in the gun body 1, and 1 bottom of gun body is connected with pipette 2, offers slide opening at the top of the gun body 1
23, and sliding is interspersed with push rod 3 in slide opening 23,3 end of push rod is located at 22 internal engagement of inner cavity and is equipped with piston 11, described
It is located at 22 internal sleeve of inner cavity on the outside of push rod 3 and is equipped with spring 12, and piston 11 passes through spring 12 and 22 top elastic connection of inner cavity, institute
It states gun body 1 and is internally located at 22 bottom end of inner cavity and offer engaging groove 9, and be connected to outside 9 side of engaging groove and gun body 1, the engagement
Slot 9 and 1 outside connectivity part of gun body are rotatably equipped with pinion gear 10, and the engaging groove 9 is internally located at 1 coaxial position of gun body and is equipped with greatly
Gear 14, and gear wheel 14 engages connection with pinion gear 10,14 two sides of gear wheel are symmetrically fixed with endless glide 19, described
9 sidewall symmetry of engaging groove offers annular groove 20, and endless glide 19 is slidably connected with annular groove 20, the gear wheel 14
It is located in 1 channel of gun body at center and is fixed with cyclization 16,16 inner surface of cyclization of matching offers internal screw thread, described to match cyclization
It is interspersed with thread barrel 13 in 16, external screw thread is offered on the outside of the thread barrel 13, and thread barrel 13 engages connection with cyclization 16,
13 end of thread barrel, which is located inside inner cavity 22, is fixed with positioning plate 15, and the inner cavity 22 is symmetrically opened close to 15 one end of positioning plate
Equipped with limit hole 17,15 surface of positioning plate is located at 17 corresponding position of limit hole and is fixed with gag lever post 18, and gag lever post 18 is inserted
Enter in limit hole 17, transparent panel 7 is fixed on the outside of the gun body 1, and 7 side of transparent panel is marked with graduated scale 8.
The 1 end side of gun body, which is fixed with, refers to backup plate 5, and 1 surface of gun body offers holding slot below finger backup plate 5
6, when operation, holds and holding 6 position of slot, thumb increases the stability and comfort level of operation against backup plate 5 is referred to.
3 end of push rod is fixed with push handle 4, facilitates the promotion of push rod 3.
1 inside of gun body is placed with absorbent wool 21 close to 2 one end of pipette, prevents from excessively sucking liquid, absorbent wool 21
By liquid absorption, avoid influencing device internal structure.
It is described and to be close to by rubber layer with 1 inner wall of gun body with cyclization 16 with being fixed with rubber layer on the outside of cyclization 16, it avoids
9 position gas leakage of engaging groove, it is ensured that device leakproofness.
Working principle are as follows: pinion gear 10 is stirred by finger and is rotated, makes gear wheel 14 follow rotation, then by matching cyclization 16
Transmission, realize that thread barrel 13 moves up and down, the position of positioning plate 15 has determined the soakage of liquid, right by graduated scale 8
Than adjusting 15 position of positioning plate, after 15 position of positioning plate is adjusted, to hold and holding 6 position of slot, thumb, which abuts, refers to backup plate 5,
Push handle 4 is pressed, the position of piston 11 is observed by transparent panel 7, and compares graduated scale 8 and shifts piston 11 onto certain position, is not pushed away
On earth, pipette 2 is inserted into liquid, unclamps push handle 4, liquid sucks in pipette 2, when drain, shifts push rod 3 onto bottom, arranges
Surplus liquid out.
It should be noted that, in this document, 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 actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of high-precision quantitative pipettor, including gun body (1), pipette (2), push rod (3), transparent panel (7), graduated scale (8),
Engaging groove (9), pinion gear (10), piston (11), spring (12), thread barrel (13), gear wheel (14), positioning plate (15), cooperation
Ring (16), limit hole (17), gag lever post (18), endless glide (19), annular groove (20), inner cavity (22) and slide opening (23),
It is characterized in that: being offered inner cavity (22) in the gun body (1), gun body (1) bottom is connected with pipette (2), the gun body
(1) top offers slide opening (23), and sliding is interspersed with push rod (3) in slide opening (23), and push rod (3) end is located at inner cavity
(22) internal engagement is equipped with piston (11), and inner cavity (22) internal sleeve is located on the outside of the push rod (3) and is equipped with spring (12), and is living
(11) are filled in by elastic connection at the top of spring (12) and inner cavity (22), and the gun body (1) is internally located at inner cavity (22) bottom end and opens up
Have engaging groove (9), and is connected to outside engaging groove (9) side and gun body (1), the engaging groove (9) and gun body (1) external connectivity part
It is rotatably equipped with pinion gear (10), the engaging groove (9) is internally located at gun body (1) coaxial position equipped with gear wheel (14), and greatly
Gear (14) engages connection with pinion gear (10), and gear wheel (14) two sides are symmetrically fixed with endless glide (19), described to nibble
It closes slot (9) sidewall symmetry to offer annular groove (20), and endless glide (19) is slidably connected with annular groove (20), it is described big
Be located in gun body (1) channel at gear (14) center and be fixed with cyclization (16), it is described offer with cyclization (16) inner surface in
Screw thread, it is described with being interspersed with thread barrel (13) in cyclization (16), external screw thread, and thread barrel are offered on the outside of the thread barrel (13)
(13) connection is engaged with cyclization (16), thread barrel (13) end, which is located inside inner cavity (22), is fixed with positioning plate (15),
The inner cavity (22) symmetrically offers limit hole (17) close to positioning plate (15) one end, and positioning plate (15) surface is located at limit
Hole (17) corresponding position is fixed with gag lever post (18), and in gag lever post (18) insertion limit hole (17), solid on the outside of the gun body (1)
Surely have transparent panel (7), and transparent panel (7) side is marked with graduated scale (8).
2. a kind of high-precision quantitative pipettor according to claim 1, it is characterised in that: gun body (1) the end side
It is fixed with and refers to backup plate (5), and gun body (1) surface is located at finger backup plate (5) lower section and offers holding slot (6).
3. a kind of high-precision quantitative pipettor according to claim 1, it is characterised in that: push rod (3) end is fixed
There are push handle (4).
4. a kind of high-precision quantitative pipettor according to claim 1, it is characterised in that: the gun body (1) is internal close
Pipette (2) one end is placed with absorbent wool (21).
5. a kind of high-precision quantitative pipettor according to claim 1, it is characterised in that: described with solid on the outside of cyclization (16)
Surely there is rubber layer, and be close to by rubber layer with gun body (1) inner wall with cyclization (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241664.7U CN208642702U (en) | 2018-08-03 | 2018-08-03 | A kind of high-precision quantitative pipettor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241664.7U CN208642702U (en) | 2018-08-03 | 2018-08-03 | A kind of high-precision quantitative pipettor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208642702U true CN208642702U (en) | 2019-03-26 |
Family
ID=65788224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821241664.7U Expired - Fee Related CN208642702U (en) | 2018-08-03 | 2018-08-03 | A kind of high-precision quantitative pipettor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208642702U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999936A (en) * | 2019-04-27 | 2019-07-12 | 李俊 | High-precision quantitative liquid-transfering gun applied to biology/chemical industry/medicine test, detection |
| CN110075941A (en) * | 2019-06-03 | 2019-08-02 | 河南师范大学 | A kind of liquid relief pump of controllable drop speed |
| CN112517098A (en) * | 2020-12-01 | 2021-03-19 | 夏季 | Time-delay pressure-compensating pipettor for biomedical laboratory |
| CN114323727A (en) * | 2021-11-17 | 2022-04-12 | 南京市河西医院有限公司 | Storage device for filling Chyle-fat facial emulsified fat and using method thereof |
| CN114517182A (en) * | 2022-03-21 | 2022-05-20 | 山东大学 | T cell sorting method for improving tumor killing capability of immune cells |
| CN115463702A (en) * | 2022-09-20 | 2022-12-13 | 河南科技大学 | Sweet potato virus detection device and detection method |
-
2018
- 2018-08-03 CN CN201821241664.7U patent/CN208642702U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109999936A (en) * | 2019-04-27 | 2019-07-12 | 李俊 | High-precision quantitative liquid-transfering gun applied to biology/chemical industry/medicine test, detection |
| CN110075941A (en) * | 2019-06-03 | 2019-08-02 | 河南师范大学 | A kind of liquid relief pump of controllable drop speed |
| CN112517098A (en) * | 2020-12-01 | 2021-03-19 | 夏季 | Time-delay pressure-compensating pipettor for biomedical laboratory |
| CN114323727A (en) * | 2021-11-17 | 2022-04-12 | 南京市河西医院有限公司 | Storage device for filling Chyle-fat facial emulsified fat and using method thereof |
| CN114517182A (en) * | 2022-03-21 | 2022-05-20 | 山东大学 | T cell sorting method for improving tumor killing capability of immune cells |
| CN115463702A (en) * | 2022-09-20 | 2022-12-13 | 河南科技大学 | Sweet potato virus detection device and detection method |
| CN115463702B (en) * | 2022-09-20 | 2023-11-14 | 河南科技大学 | Sweet potato virus detection device and detection method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20190803 |