CN208109767U - A kind of microsyringe - Google Patents
A kind of microsyringe Download PDFInfo
- Publication number
- CN208109767U CN208109767U CN201820763442.5U CN201820763442U CN208109767U CN 208109767 U CN208109767 U CN 208109767U CN 201820763442 U CN201820763442 U CN 201820763442U CN 208109767 U CN208109767 U CN 208109767U
- Authority
- CN
- China
- Prior art keywords
- push
- sliding part
- tube body
- fixing piece
- guidance set
- 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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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of microsyringe, including tube body, push-rod assembly, sampling probe, pintle and guidance set, sampling probe is mounted on one end of tube body by pintle, and tube body the other end outer wall is equipped with the fixing piece of guidance set；Push-rod assembly includes push rod and push handle, and push rod is put in the cavity of tube body, is equipped with push handle in push rod one end far from sampling probe, push handle is fixedly connected with the connection handle of guidance set；Guidance set further includes sliding part, and sliding part is matched with fixing piece and is slidably installed, and one end of sliding part is fixedly connected with connection handle；By guidance set, increase the guiding performance of force process, alleviates excessive, too quickly force state, avoid power is improper push rod is caused to fracture.
Description
Technical field
The utility model relates to chemical test ancillary equipment fields, and in particular to a kind of microsyringe.
Background technique
Sample injector is will quantitatively to analyze the device of sample feeding chromatographic column in chromatographic system.Sample injector includes
Plurality of specifications, wherein microsyringe can the micro sample of accurate measuring, therefore, structure is finer, and price is also more
It is expensive.
During carrying out the test of chromatography class, it is desirable that experimenter's sample introduction is fast and accurate, can guarantee the essence of experiment
Really.But since the pusher portion fibre of microsyringe is long, push rod force spends big, thrust direction inclination, can all push rod be caused to exist
Deformation occurs in cavity, causes the push rod of micro-sampling to fracture, microsyringe is caused to damage, can not continue to use.
Utility model content
The utility model provides a kind of microsyringe, draws to solve to spend big, thrust direction because of push rod force and tilt
The problem of push rod risen fractures, microsyringe is caused to damage.
A kind of microsyringe, including tube body, push-rod assembly, sampling probe, pintle and guidance set, wherein：
The tube body is both ends open, the internal cylindrical member for being equipped with cavity, and the sampling probe is mounted on described by pintle
One end of tube body；Described tube body the other end outer wall is equipped with the fixing piece of guidance set；
The push-rod assembly includes push rod and push handle, and the push rod is put in the cavity, in the separate sampling probe
Described push rod one end is equipped with push handle, and the push handle is fixedly connected with the connection handle of the guidance set；
The guidance set further includes sliding part, and the sliding part is matched with the fixing piece and is slidably installed, the sliding
One end of part is fixedly connected with the connection handle.
Optionally, above-mentioned microsyringe, the fixing piece are long block, are equipped with strip grooves in the direction of extension, institute
Stating sliding part is strip column.
Optionally, above-mentioned microsyringe, the fixing piece and the sliding part are mutually matched cylinder, the fixation
Part and the sliding part are correspondingly provided with concave-convex bar shaped occlusion structure.
Optionally, above-mentioned microsyringe, the connection handle are cross connection handle.
Optionally, above-mentioned microsyringe further includes auxiliary gripping member, and the auxiliary gripping member fixation is set in the tube body
On, side is connected with the fixing piece.
The utility model has the advantages that：
A kind of microsyringe, including tube body, push-rod assembly, sampling probe, pintle and guidance set, guidance set and push rod
The shank of component is connected, and by guidance set, increases the guiding performance of force process, avoids power inclination that push rod is caused to fracture；It leads
It is sliding friction to component, alleviates excessive, too quickly force state, on the basis of not changing push rod and cavity rubs, improves
The service life of device；Connection handle can be cross connection handle, can preferably be bonded hand, facilitate test operation.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The utility model can be limited.
Detailed description of the invention
It, below will be to attached drawing needed in the embodiment in order to illustrate more clearly of the technical solution of the utility model
It is briefly described, it should be apparent that, for those of ordinary skills, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of microsyringe provided by the utility model；
Fig. 2 is the structural schematic diagram of guidance set provided by the utility model；
Fig. 3 is the structural schematic diagram of second of guidance set provided by the utility model；
Fig. 4 is the structural schematic diagram of the third guidance set provided by the utility model；
In Fig. 1-Fig. 4：1- tube body, 11- cavity, 2- push-rod assembly, 21- push rod, 22- push handle, 3- sampling probe, 4- pintle,
5- guidance set, 51- fixing piece, 52- sliding part, 53- connection handle, 6- assist gripping member；
Wherein, Fig. 2/3/4 is the section view in Fig. 1 along the face A-A.
Specific embodiment
The utility model provides a kind of microsyringe, draws to solve to spend big, thrust direction because of push rod force and tilt
The problem of push rod risen fractures, microsyringe is caused to damage.The following will be combined with the drawings in the embodiments of the present invention, to this
Technical solution in utility model embodiment is clearly and completely described, it is clear that described embodiment is only that this is practical
Novel a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to the model of the utility model protection
It encloses.
Device as shown in Figure 1, be embodiment provided by the utility model, including tube body 1, push-rod assembly 2, sampling probe 3,
Pintle 4 and guidance set 5：
Tube body 1 is both ends open, the internal cylindrical member for being equipped with cavity, and sampling probe 3 is mounted on the one of tube body 1 by pintle 4
End；The other end outer wall of tube body 1 is equipped with the fixing piece 51 of guidance set 5；
Push-rod assembly 2 includes push rod 21 and push handle 22, and push rod 21 is put in cavity 11, in the push rod 21 far from sampling probe 3
One end is fixedly installed with push handle 22, and push handle 22 is fixedly connected with the connection handle 53 of guidance set 5；
Guidance set 5 includes fixing piece 51, sliding part 52 and connection handle 53, and sliding part 52 matches sliding peace with fixing piece 51
Dress, 52 one end of sliding part is fixedly connected with connection handle 53；Guidance set 5 is used to be oriented to, and increases the stability of structure, meanwhile, lead to
The frictional force in its sliding process is crossed, the too quickly, problems of too that exerts a force is alleviated；Connection handle 53 can be cross connection handle, make it more
It is bonded finger, facilitates manual operation；
It is noted that guidance set 5 as shown in Figure 2, fixing piece 51 is long block, is equipped in the direction of extension
Strip grooves, sliding part 52 are strip column, and several strip grooves and strip column are corresponded, are uniformly arranged in the outside of tube body 1；Such as figure
Fixing piece 51 shown in 2, sliding part 52 are equipped with two groups, naturally it is also possible to be other quantities；In addition, fixing piece 51 can also be strip
Column, sliding part 52 are the strip column equipped with strip grooves；
It is noted that guidance set 5 as shown in Figure 3, fixing piece 51 and sliding part 52 are mutually matched cylinder,
Fixing piece 51 and sliding part 52 are correspondingly provided with concave-convex bar shaped occlusion structure, and occlusion structure can be uniformly arranged with many places；Such as Fig. 3 institute
Show, sliding part 52 is equipped with groove, and fixing piece 51 is equipped with raised line, is equipped with three groups altogether；
Certainly, as shown in figure 4, guidance set 5 may be the combination of cylindrical member and long block, therefore structure is similar, no
It is again to explain more；
It is noted that in above-mentioned guidance set 5, as shown in Fig. 2, the occlusal surface A of fixing piece 51 and sliding part 52
It can be arcuation face, so that its guide function is more bonded tube body, naturally it is also possible to be flat face or other structures；
Device as shown in Figure 1 further includes auxiliary gripping member 6, and the auxiliary fixation of gripping member 6 is set on tube body 1, side and fixation
Part 51 is connected；By assisting gripping member 6, first is that facilitate sampling operation, second is that stop to sliding part 52, third is that can will be micro
Sampler is fixed, fixed sample introduction position；Certainly, auxiliary gripping member 6 can not also be connected with fixing piece 51, and fixing piece 52, which is equipped with, to be stopped
Position can also realize barrier functionality.
Above-described the utility model embodiment does not constitute the restriction to scope of protection of the utility model.
Those skilled in the art are considering specification and after practicing utility model disclosed herein, will readily occur to practical
Novel other embodiments.The utility model is intended to cover any variations, uses, or adaptations of the utility model,
These variations, uses, or adaptations follow the general principle of the utility model and undocumented including the utility model
Common knowledge or conventional techniques in the art.The description and examples are only to be considered as illustrative, this is practical new
The true scope and spirit of type are indicated by the following claims.
It should be understood that the utility model is not limited to the accurate knot for being described above and being shown in the accompanying drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model is only wanted by appended right
It asks to limit.
Claims (5)
1. a kind of microsyringe, which is characterized in that including tube body (1), push-rod assembly (2), sampling probe (3), pintle (4) and lead
To component (5), wherein：
The tube body (1) is both ends open, the internal cylindrical member for being equipped with cavity, and the sampling probe (3) is mounted on by pintle (4)
One end of the tube body (1)；Described tube body (1) the other end outer wall is equipped with the fixing piece (51) of guidance set (5)；
The push-rod assembly (2) includes push rod (21) and push handle (22), and the push rod (21) puts in the cavity, far from institute
The push rod (21) one end for stating sampling probe (3) is equipped with push handle (22), and the push handle (22) is fixedly connected with the guidance set
(5) connection handle (53)；
The guidance set (5) further includes sliding part (52), and the sliding part (52) matches sliding peace with the fixing piece (51)
Dress, one end of the sliding part (52) is fixedly connected with the connection handle (53).
2. microsyringe according to claim 1, which is characterized in that the fixing piece (51) is long block, is being prolonged
Direction is stretched equipped with strip grooves, and the sliding part (52) is strip column.
3. microsyringe according to claim 1, which is characterized in that the fixing piece (51) and the sliding part (52)
For mutually matched cylinder, the fixing piece (51) and the sliding part (52) are correspondingly provided with concave-convex bar shaped occlusion structure.
4. microsyringe according to claim 1, which is characterized in that the connection handle (53) is cross connection handle.
5. microsyringe according to claim 1, which is characterized in that further include auxiliary gripping member (6), the auxiliary gripping member
(6) fixation is set on the tube body (1), and side is connected with the fixing piece (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820763442.5U CN208109767U (en) | 2018-05-22 | 2018-05-22 | A kind of microsyringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820763442.5U CN208109767U (en) | 2018-05-22 | 2018-05-22 | A kind of microsyringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208109767U true CN208109767U (en) | 2018-11-16 |
Family
ID=64114902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820763442.5U Expired - Fee Related CN208109767U (en) | 2018-05-22 | 2018-05-22 | A kind of microsyringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208109767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646551A (en) * | 2019-11-05 | 2020-01-03 | 兰州东立龙信息技术有限公司 | Chromatographic sample injector |
-
2018
- 2018-05-22 CN CN201820763442.5U patent/CN208109767U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646551A (en) * | 2019-11-05 | 2020-01-03 | 兰州东立龙信息技术有限公司 | Chromatographic sample injector |
| CN110646551B (en) * | 2019-11-05 | 2024-04-26 | 兰州东立龙信息技术有限公司 | Chromatographic sample injector |
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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: 20181116 Termination date: 20200522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |