CN208003972U - A kind of syringe with adjustable limiting device - Google Patents
A kind of syringe with adjustable limiting device Download PDFInfo
- Publication number
- CN208003972U CN208003972U CN201820113314.6U CN201820113314U CN208003972U CN 208003972 U CN208003972 U CN 208003972U CN 201820113314 U CN201820113314 U CN 201820113314U CN 208003972 U CN208003972 U CN 208003972U
- Authority
- CN
- China
- Prior art keywords
- gag lever
- lever post
- shaped
- injection tube
- shaped gag
- 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 belongs to laboratory experiment Instrument technology field, more particularly to a kind of syringe with adjustable limiting device, including injection tube, L-shaped gag lever post is installed in injection tube, the long side of L-shaped gag lever post is parallel with piston rod, the short side of L-shaped piston rod is parallel with injection tube crimping, and the long side and the short side of L-shaped gag lever post of L-shaped gag lever post are connected through a screw thread；The short side of L-shaped gag lever post is fixed by U-shaped fixing sleeve and injection tube crimping；It is provided with scale on L-shaped gag lever post top, the minimum range of scale is 2d, and the d is the variation of injection tube inner volume when being 0.1mm, the distance that piston head is moved.The utility model is simple in structure, easy to implement, L-shaped gag lever post is installed in injection tube, the length of the long side of L-shaped limit pole-footing can be set as needed, the volume for the reagent drawn every time can be measured well, improve the speed for measuring liquid, L-shaped gag lever post is fixed by U-shaped fixing sleeve, facilitates installation and replacement.
Description
Technical field
The utility model belongs to laboratory experiment Instrument technology field, is filled with adjustable limiting in particular to one kind
The syringe set.
Background technology
China is manufacture big country, while even more traditional large agricultural country, along with the progress of science and technology, scientic planting gos deep into people
The heart especially plays vital soil investigation, the even more most important thing, either to the direct analysis of soil to agricultural production
Or the research to fertilizer, it is often necessary to component is measured, in the lab, the research of soil constituent is often used
Liquid-transfering device can be also applied certainly in medical treatment, gene and protein research, biological study, drug development laboratories and other
In biotechnology.Liquid-transfering device can carry out handle laboratory in various laboratory procedures, and then complete real
It tests.
In agricultural technology field, auxiliary reagent of the organic solvent as research, existing laboratory equipment are often used
It is universal more expensive, it is unfavorable for the construction of conservation-minded society；The driving that syringe is often used in laboratory as liquid relief fills
It sets, still, because of itself precision problem, liquid relief experiment can not be completed well, a kind of raising syringe of invention is as liquid relief
Driving device accuracy device become have problem to be solved.In addition, in experiment is repeated several times, the reagent of transfer is phase
With, a kind of effectively device simple in structure of invention can limit syringe, to accurately complete repeatedly identical examination
The transfer work of agent, and have problem to be solved.
Utility model content
The main purpose of the utility model is to provide a kind of syringes with adjustable limiting device, to solve existing skill
Driving device of the syringe as liquid relief in art can not accurately complete liquid relief experiment, while can not solve multiple phase very much
The problem of accurate limit is carried out to syringe with experiment.
To achieve the goals above, the utility model provides a kind of syringe with adjustable limiting device, including note
Shooting cylinder is equipped with piston rod and the piston head positioned at piston rod bottom end in injection tube, and the top of piston rod is connected with draw ring, injection
Cylinder top is provided with injection tube crimping, and injection tube bottom is communicated with injection head, and L-shaped gag lever post, L are equipped in the injection tube
The long side of shape gag lever post is parallel with piston rod, and the short side of L-shaped piston rod is parallel with injection tube crimping, the long side and L of L-shaped gag lever post
The short side of shape gag lever post is connected through a screw thread；The short side of L-shaped gag lever post is fixed by U-shaped fixing sleeve and injection tube crimping；
Scale is provided on L-shaped gag lever post top, the minimum range of scale is 2d, and the d is that the variation of injection tube inner volume is
When 0.1mm, distance that piston head is moved.
The syringe with adjustable limiting device stated, the L-shaped gag lever post long side is by screw thread twist-on in L-shaped gag lever post
On short side, L-shaped gag lever post long side top offers one section of external screw thread, and externally threaded length is L-shaped gag lever post short side thickness and length
Spend the sum of d.
The syringe with adjustable limiting device is provided with annular groove, annular groove on the L-shaped gag lever post
The distance of center line is 2d.
The syringe with adjustable limiting device, the end of the L-shaped gag lever post short side are provided with downward curved
It hooks, hook is used to position position of the long side of L-shaped gag lever post in injection tube.
The utility model has the beneficial effects that：The utility model is simple in structure, easy to implement, and L-shaped is installed in injection tube
The length of gag lever post, the long side of L-shaped limit pole-footing can be set as needed, can measure the examination drawn every time well
The volume of agent substantially increases the speed for measuring liquid, and L-shaped gag lever post is fixed by U-shaped fixing sleeve, facilitates installation and more
It changes.
Annular is made in the piston pole cap of the utility model, and experimenter is facilitated to use, experimenter with a thumb just
Piston rod can easily be boosted and be declined upwards, substantially increases the convenient degree that experimenter uses, and then improve experiment
Efficiency.
Be provided in the long side of L-shaped gag lever post least unit be 2d groove, be conveniently operated personnel according to can limit carry out
The length of long side is cut out, in addition, annular groove is provided in the long side of L-shaped gag lever post, between annular groove and annular groove
Distance is 2d, and gag lever post annular groove prescription just fractures, and improves the volume that operating personnel set liquid relief, substantially increases experiment
Efficiency；The long side of L-shaped gag lever post can adjust upper and lower position by rotation, and the critical distance of adjustment is d, and so design makes
The minimum longitude for obtaining gag lever post adjustment reaches 0.1mm, improves the precision of syringe liquid relief.
Description of the drawings
The Figure of description for constituting a part for the new shape of this practicality is used to provide a further understanding of the present invention, this
The illustrative embodiments and their description of utility model do not constitute the improper limit to the utility model for explaining the utility model
It is fixed.In the accompanying drawings：
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the structural schematic diagram of L-shaped gag lever post of the utility model with groove；
Fig. 3 is the structural schematic diagram of L-shaped gag lever post of the utility model with circular groove；
Fig. 4 is the close-up schematic view of the utility model；
Fig. 5 is the overlooking structure diagram of the utility model L-shaped gag lever post short side；
In figure, 1 is draw ring, and 2 be piston rod, and 3 be injection tube crimping, and 4 be injection tube, and 5 be U-shaped fixing sleeve, and 6 limit for L-shaped
Position bar, 601 be gag lever post short side, and 602 be gag lever post long side, and 603 be scale, and 604 be annular groove, and 605 be screw thread, and 7 be work
Chock plug.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, technical solutions in the embodiments of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The every other embodiment that technical staff is obtained without making creative work should all belong to the application protection
Range.
It should be noted that term " first " in the specification and claims of the utility model and above-mentioned attached drawing,
" second " etc. is for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that in this way
The term used can be interchanged in the appropriate case, so as to the embodiments of the present invention described herein.In addition, term " packet
Include " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps
Or process, method, system, product or the equipment of unit those of are not necessarily limited to clearly to list step or unit, but can wrap
It includes not listing clearly or for these processes, method, product or equipment intrinsic other steps or unit.
Embodiment 1：In conjunction with Fig. 1-Fig. 5, a kind of syringe with adjustable limiting device, including injection tube, in injection tube
Piston rod and the piston head positioned at piston rod bottom end are installed, the top of piston rod is connected with draw ring, is provided at the top of injection tube
Injection tube crimping, injection tube bottom are communicated with injection head, are equipped with L-shaped gag lever post in injection tube, the long side of L-shaped gag lever post with
Piston rod is parallel, and the short side of L-shaped gag lever post is parallel with injection tube crimping, and the short side of L-shaped gag lever post is plate body, from depression angle
It sees, is spliced there are two ellipse, with reference to Fig. 5, threaded hole is offered in small elliptical one end, be used for and L-shaped gag lever post
Long side carries out twist-on.
The long side of L-shaped gag lever post and the short side of L-shaped gag lever post are connected through a screw thread；The short side of L-shaped gag lever post is solid by U-shaped
Fixed set is fixed with injection tube crimping；Scale is provided on L-shaped gag lever post top, the minimum range of scale is 2d, institute
It is the variation of injection tube inner volume when being 0.1mm to state d, the distance that piston head is moved.L-shaped gag lever post long side is existed by screw thread twist-on
On L-shaped gag lever post short side, L-shaped gag lever post long side top offers one section of external screw thread, and externally threaded length is L-shaped gag lever post short side
The sum of thickness and length d.
Preferably, annular groove is provided on L-shaped gag lever post, the distance of annular groove center line is 2d.
Preferably, the end of L-shaped gag lever post short side is provided with downward hook, and hook is used to position the length of L-shaped gag lever post
While the position in injection tube specifically mainly prevents from when set upper U-shaped fixing sleeve, inwardly pushing L-shaped limit
Bar so that long side and plunger rod contacts, and then influence to use.
Preferably, the short side of L-shaped gag lever post is blocked along the center of threaded hole, the long side for facilitating suit L-shaped fiber dry, peace
After dress, it is being attached fixation.
Operation principle：The reagent volume that experimenter measures as needed blocks L-shaped gag lever post, then, will limit
Installation is fixed using U-shaped fixing sleeve in position bar and syringe, when it is even number that the volume of needs, which is last position, direct basis
Scale or groove block long side, when the last one digit number of the volume of needs is odd number, rotate the long side of L-shaped gag lever post
It is adjusted, the graduation mark scale value+d after adjustment is true cutoff value.
The application is described in detail above, it is used herein can principle and embodiment party of the specific case to the application
Formula is expounded, the description of the example is only used to help understand the method for the present application and its core ideas, meanwhile, it is right
In those of ordinary skill in the art, according to the thought of the application, change is had in specific embodiments and applications
Place, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (4)
1. a kind of syringe with adjustable limiting device, including injection tube, piston rod is installed in injection tube and is located at piston
The top of the piston head of bar bottom end, piston rod is connected with draw ring, and injection tube crimping is provided at the top of injection tube, and injection tube bottom connects
It is connected with injection head, it is characterised in that：L-shaped gag lever post is installed in the injection tube, the long side and piston rod of L-shaped gag lever post are flat
Row, the short side of L-shaped piston rod is parallel with injection tube crimping, and the long side and the short side of L-shaped gag lever post of L-shaped gag lever post are connected by screw thread
It connects；The short side of L-shaped gag lever post is fixed by U-shaped fixing sleeve and injection tube crimping；The L-shaped gag lever post is provided on top
Scale, the minimum range of scale are 2d, and the d is the variation of injection tube inner volume when being 0.1mm, the distance that piston head is moved.
2. the syringe according to claim 1 with adjustable limiting device, it is characterised in that：The L-shaped gag lever post is long
While by screw thread twist-on on L-shaped gag lever post short side, L-shaped gag lever post long side top offers one section of external screw thread, externally threaded length
Degree is the sum of L-shaped gag lever post short side thickness and length d.
3. the syringe according to claim 1 with adjustable limiting device, it is characterised in that：On the L-shaped gag lever post
It is provided with annular groove, the distance of annular groove center line is 2d.
4. the syringe according to claim 1 with adjustable limiting device, it is characterised in that：The L-shaped gag lever post is short
The end on side is provided with downward hook, and hook is used to position position of the long side of L-shaped gag lever post in injection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113314.6U CN208003972U (en) | 2018-01-24 | 2018-01-24 | A kind of syringe with adjustable limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820113314.6U CN208003972U (en) | 2018-01-24 | 2018-01-24 | A kind of syringe with adjustable limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208003972U true CN208003972U (en) | 2018-10-26 |
Family
ID=63883283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820113314.6U Expired - Fee Related CN208003972U (en) | 2018-01-24 | 2018-01-24 | A kind of syringe with adjustable limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208003972U (en) |
-
2018
- 2018-01-24 CN CN201820113314.6U patent/CN208003972U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20200124 |