CN207964748U - A kind of adjustable sample introduction needle of input - Google Patents
A kind of adjustable sample introduction needle of input Download PDFInfo
- Publication number
- CN207964748U CN207964748U CN201820190578.1U CN201820190578U CN207964748U CN 207964748 U CN207964748 U CN 207964748U CN 201820190578 U CN201820190578 U CN 201820190578U CN 207964748 U CN207964748 U CN 207964748U
- Authority
- CN
- China
- Prior art keywords
- needle
- tube
- syringe
- piston
- sample introduction
- 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
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of adjustable sample introduction needle of input, needle stand is equipped at the top of syringe, needle stand is equipped with syringe needle, the syringe is internally provided with piston, the syringe outer surface is equipped with the second graduation mark, second graduation mark is equipped with magnifying glass, the needle stand is equipped with the reinforcer being socketed with the syringe needle, the syringe inside end is equipped with driving tube, the driving tube madial wall is equipped with the first internal thread, the needle stand is equipped with reinforcer, the piston is equipped with tube, the tube lateral wall is equipped with and matched first external screw thread of first internal thread, the tube end is equipped with rotary head, the tube is internally provided with piston rod, the piston-rod end is placed in across the rotary head outside the syringe.The adjustable sample introduction needle of a kind of input described in the utility model, you can carry out the injection of liquid by the way of manually promoting, the injection of liquid can be also carried out by way of tube precession, use is more convenient, is also more suitable for the injection of micro liquid.
Description
Technical field
The utility model belongs to injection device technical field, more particularly, to a kind of adjustable sample introduction needle of input.
Background technology
With society development and science and technology progress, people start to various articles carry out sample introduction is analyzed, pass through chromatography
Analysis method analyzes various articles, it has also become the analysis skill of a kind of ripe and widely used separation complex mixture
Art is used widely in fields such as Petrochemical Analysis, Pharmaceutical Analysis, food analysis, environmental analysis, Polymer Analysis, chromatography
Method is the important tool in industry, agricultural, national defence, construction, scientific research, chromatographic appearance and development in analytical chemistry or even
Suffer from landmark meaning in entire chemical history, but needed when carrying out chromatography analysis by micro drug by into
Sample needle, which is put into inside analytical instrument, carries out quantitative analysis, and it is important whether sample introduction needle sample introduction accurately has the result of analysis
Meaning.And be typically to pass through manually to be adjusted, however such drug extracts when being adjusted into amount of travel,
The sample size for often extracting injection is less, and the inaccuracy for often causing structure is injected using craft, and causes final
The deviation of structure.China Patent No. 201220292165.7 discloses a kind of gasometry injector, including injector main body, pushes away
Pull rod, syringe needle, the upper end of sample introduction main body are connected with fixed frame, and fixed frame is fixedly connected with quantitative card, the top of quantitative card and
Push-pull rod is corresponding, arrived the consistent effect of each sampling volume.But since its sample introduction main body does not have scale definition, and
Position baseline does not also describe, and experiment, analysis personnel can not be made to obtain specific volume data, or cannot be satisfied experiment people
Member needs the sample introduction result of a certain numerical value.And the syringe needle of existing sample introduction needle is longer, and can not adjust, it be easy to cause when in use
The case where pillow is bent.
Utility model content
In view of this, the utility model is directed to a kind of adjustable sample introduction needle of input, sample introduction syringe needle is adjusted
Using length, enhance the intensity of sample introduction syringe needle, while making sample introduction needle that can carry out the injection of trace reagent.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of adjustable sample introduction needle of input, including syringe, the syringe top are equipped with needle stand, and the needle stand is equipped with needle
Head, the syringe are internally provided with piston, and the syringe outer surface is equipped with the second graduation mark, and second graduation mark is equipped with amplification
Mirror, the needle stand are equipped with the reinforcer being socketed with the syringe needle, and the syringe inside end is equipped with driving tube, the driving tube
Madial wall is equipped with the first internal thread, and the needle stand is equipped with reinforcer, and the piston is equipped with tube, the tube lateral wall
It is equipped with and is equipped with rotary head with matched first external screw thread of first internal thread, the tube end, is set inside the tube
There are the piston rod being connected with the piston, the piston-rod end to be placed in outside the syringe across the rotary head, the work
The stopper rod through-hole consistent with size is equipped in the rotary head.
Further, the reinforcer includes outer tube and one end is placed in inner sleeve inside the outer tube, described outer
Inside pipe casing is equipped with the second internal thread, and the inner sleeve end is equipped with and the matched second outer spiral shell of second internal thread
Line is equipped with block close to the inner sleeve end, and inner sleeve center of inside position, which is equipped with, sets needle tubing, and the needle tubing of setting is cut
Face diameter is more than the diameter in the syringe needle section；
Further, it is equipped with the first graduation mark outside the inner sleeve；
Further, it is equipped with bearing block at the piston rod and the piston contact, and the piston rod beginning is placed in institute
It states inside bearing block, and is connect by bearing with the bearing block, bearing block also is provided at the tube and the piston contact,
And the tube beginning is placed in the bearing block, the tube is equipped with lubricant layer with the bearing block touching position；
Further, the piston-rod end is equipped with pressure head.
Compared with the existing technology, the adjustable sample introduction needle of a kind of input described in the utility model has the advantage that：
1. the adjustable sample introduction needle of a kind of input described in the utility model is arranged reinforcer at syringe needle position, and reinforces
The adjustable in length of part, you can adjust the length that syringe needle uses, can also reinforce the intensity of syringe needle, prevent it from sending out in use
The case where raw fracture；
2. the position of the adjustable sample introduction needle of a kind of input described in the utility model, the second graduation mark is equipped with amplification
Mirror can enable a user to the amount for being more clearly seen that liquid medicine injection；
3. the adjustable sample introduction needle of a kind of input described in the utility model, you can carry out medicine by the way of manually promoting
The injection of liquid can also carry out the injection of liquid by way of tube precession, and use is more convenient, is also more suitable for micro liquid
Injection；
4. the adjustable sample introduction needle of a kind of input described in the utility model has simple in structure, easy to use, practicability
Strong feature.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is a kind of overall structure diagram of the adjustable sample introduction needle of input described in the utility model embodiment；
Fig. 2 is a kind of reinforcement structure schematic diagram of the adjustable sample introduction needle of input described in the utility model embodiment；
Fig. 3 is a kind of integral outer structural representation of the adjustable sample introduction needle of input described in the utility model embodiment
Figure；
Fig. 4 is a kind of piston portion structural representation of the adjustable sample introduction needle of input described in the utility model embodiment
Figure.
Reference sign：
1- syringes, 2- needle stands, 3- reinforcers, 4- syringe needles, 5- pistons, 6- piston rods, 7- pressure heads, 8- tubes, outside 9- first
Screw thread, 10- rotary heads, 11- through-holes, 12- driving tubes, the first internal threads of 13-, 14- outer tubes, 15- inner sleeves, 16- set needle tubing,
17- blocks, the first graduation marks of 18-, the second internal threads of 19-, the second external screw threads of 20-, the second graduation marks of 21-, 22- magnifying glasses, 23-
Bearing block, 24- lubricant layers, 25- bearings.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the adjustable sample introduction needle of a kind of input, including syringe 1, the syringe top
Equipped with needle stand 2, the needle stand 2 is equipped with syringe needle 4, and the syringe 1 is internally provided with piston 5, and 1 outer surface of the syringe is equipped with second
Graduation mark 21, second graduation mark 21 are equipped with magnifying glass 22, and the setting of magnifying glass 22 can be by the second graduation mark 21 and piston 4
Relative position be visually amplified, easily facilitate observation, the needle stand 2 is equipped with the reinforcement being socketed with the syringe needle 4
Part 3,1 inside end of the syringe are equipped with driving tube 12, and 12 madial wall of the driving tube is equipped with the first internal thread 13, the needle
Seat 2 is equipped with reinforcer 3, and the piston 5 is equipped with tube 8, and 8 lateral wall of the tube is equipped with and first internal thread 13
Matched first external screw thread 9,8 end of the tube are equipped with rotary head 10, and the tube 8 is internally provided with to be connected with the piston 5
The piston rod 6 connect, 6 end of the piston rod are placed in across the rotary head 10 outside the syringe 1, the piston rod 6 with it is described
It is equipped with the consistent through-hole 11 of size in rotary head 10, (can not be drawn in figure by bolt between the rotary head 10 and the piston rod 6
Go out) position of the two to be fixed across through-hole 11,6 end of the piston rod is equipped with pressure head 7.
The reinforcer 3 includes that outer tube 14 and one end are placed in the inner sleeve 15 inside the outer tube 14, the housing
Pipe 14 is internally provided with the second internal thread 19, and 15 end of the inner sleeve is equipped with and second internal thread 19 matched second
External screw thread 20 is equipped with block 17 close to 15 end of the inner sleeve, and 15 center of inside position of the inner sleeve is equipped with and sets needle tubing
16, the diameter set 16 diameter of section of needle tubing and be more than 4 section of the syringe needle, 15 outside of the inner sleeve is equipped with the first graduation mark
18, the distance between inner sleeve 15 and syringe needle 4 is adjusted by rotating inner sleeve 15, can also change syringe needle 4 and independently be placed in
External length, the length of 4 separate outer of syringe needle is adjusted according to actual use demand, syringe needle 4 can be prevented using process
In to be placed in external length long, and the case where cause syringe needle 4 to be broken, and the setting of the first graduation mark 18 can intuitively be seen
The length for going out the stretching of inner sleeve 15 is independently placed in external length to estimate syringe needle 4.
The piston rod 6 is equipped with bearing block 23 with 5 contact position of the piston, and 6 beginning of the piston rod is placed in the axis
It inside bearing 23, and is connect by bearing 25 with the bearing block 23, since bearing is arranged between piston rod 6 and bearing block 23
25, it may make that piston 5 will not be rotated with the rotation of piston rod 6 when piston rod 6 rotates, the tube 8 and the piston 5
Contact position also is provided with bearing block 23, and 8 beginning of the tube is placed in the bearing block 23, the tube 8 and the bearing block
23 touching positions are equipped with lubricant layer 24, and tube 8 is not connected with piston 5 or bearing block 23, equally in tube 8 and the bearing
Lubricant layer 24 is set between seat 23, the piston 5 in rotation process of tube 8 may make not rotated with the rotation of tube 8.
According to using the different syringe needles 4 that change of object to be independently placed in external length, that is, inner sleeve 15 is rotated, inner sleeve is changed
Pipe 15 is placed in the length inside outer tube 14, observes the position of the first graduation mark 18 on inner sleeve 15 at any time in rotation process
Set, after the adjustment of the position of inner sleeve 15 can fixed needle 4 independently be placed in the length of outside；
The through-hole 11 being arranged in rotary head 10 and the piston rod 6 is passed through by bolt, rotates rotary head 10 or pressure head 7, the
Two internal threads 19 and the second external screw thread 20 interact, and piston 5 moves out, liquid is drawn into inside syringe.For target
When object liquid medicine injection, if rotary head 10 is fixed with the through-hole 11 being arranged on piston rod 6 yet by bolt, by rotating rotary head
10 or pressure head 7, under the second internal thread 19 and the interaction of the second external screw thread 20, give object to inject liquid, such note
Shooting method is suitable for micro injecting liquid drug；If rotary head 10 is not fixed with the through-hole 11 being arranged on piston rod 6 by bolt, can
Pressure head 7 is pressed, liquid is injected to object, such injection system is suitable for non-micro injecting liquid drug.No matter using which kind of note
The mode of penetrating is injected, and is both needed to observe the position on the second graduation mark 18 residing for piston 5 in injection process constantly.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or
Person be the utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model
Simplify description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration
And operation, therefore should not be understood as limiting the present invention.It is only used in addition, belonging to " first ", " second ", " third " etc.
Description is distinguished, and cannot be construed as to imply that or imply relative importance.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of adjustable sample introduction needle of input, including syringe (1), the syringe top is equipped with needle stand (2), the needle stand (2)
It is equipped with syringe needle (4), the syringe (1) is internally provided with piston (5), it is characterised in that：Syringe (1) outer surface is equipped with second
Graduation mark (21), second graduation mark (21) are equipped with magnifying glass (22), and the needle stand (2) is equipped with and the syringe needle (4)
The reinforcer (3) of socket, syringe (1) inside end are equipped with driving tube (12), and driving tube (12) madial wall is equipped with
First internal thread (13), the needle stand (2) are equipped with reinforcer (3), and the piston (5) is equipped with tube (8), the tube
(8) lateral wall be equipped with matched first external screw thread (9) of first internal thread (13), tube (8) end is equipped with
Rotary head (10), the tube (8) are internally provided with the piston rod (6) being connected with the piston (5), piston rod (6) end
It is placed in the syringe (1) outside across the rotary head (10), size one is equipped in the piston rod (6) and the rotary head (10)
The through-hole (11) of cause.
2. the adjustable sample introduction needle of a kind of input according to claim 1, it is characterised in that：The reinforcer (3) includes
Outer tube (14) and one end are placed in the internal inner sleeve (15) of the outer tube (14), and the outer tube (14) is internally provided with second
Internal thread (19), inner sleeve (15) end are equipped with and matched second external screw thread of the second internal thread (19)
(20), it is equipped with block (17) close to the inner sleeve (15) end, inner sleeve (15) the center of inside position is equipped with and sets needle
It manages (16), the diameter set needle tubing (16) diameter of section and be more than the syringe needle (4) section.
3. the adjustable sample introduction needle of a kind of input according to claim 2, it is characterised in that：The inner sleeve (15) is external
Equipped with the first graduation mark (18).
4. the adjustable sample introduction needle of a kind of input according to claim 1, it is characterised in that：The piston rod (6) and institute
It states piston (5) contact position and is equipped with bearing block (23), and the piston rod (6) beginning is placed in inside the bearing block (23), and with
The bearing block (23) is connected by bearing (25), and the tube (8) also is provided with bearing block with the piston (5) contact position
(23), and the tube (8) beginning is placed in the bearing block (23), and the tube (8) is in contact with the bearing block (23)
Place is equipped with lubricant layer (24).
5. the adjustable sample introduction needle of a kind of input according to claim 1, it is characterised in that：Piston rod (6) end
Equipped with pressure head (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820190578.1U CN207964748U (en) | 2018-02-05 | 2018-02-05 | A kind of adjustable sample introduction needle of input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820190578.1U CN207964748U (en) | 2018-02-05 | 2018-02-05 | A kind of adjustable sample introduction needle of input |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964748U true CN207964748U (en) | 2018-10-12 |
Family
ID=63737039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820190578.1U Expired - Fee Related CN207964748U (en) | 2018-02-05 | 2018-02-05 | A kind of adjustable sample introduction needle of input |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207964748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772218A (en) * | 2018-12-30 | 2019-05-21 | 浙江省海洋水产研究所 | Quantitative reagent injection device |
-
2018
- 2018-02-05 CN CN201820190578.1U patent/CN207964748U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772218A (en) * | 2018-12-30 | 2019-05-21 | 浙江省海洋水产研究所 | Quantitative reagent injection device |
| CN109772218B (en) * | 2018-12-30 | 2021-06-22 | 浙江省海洋水产研究所 | Quantitative reagent injection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207964748U (en) | A kind of adjustable sample introduction needle of input | |
| CN102648877B (en) | Digital adjustable microinjection method | |
| CN108204907B (en) | Sample extractor for pharmaceutical experiment | |
| CN206038693U (en) | Immunofluorescence chromatography detection device | |
| CN202554637U (en) | Dual-needle device suitable for hematology department of hospital | |
| CN204364650U (en) | A kind of medicine injection device in nuclear medicine | |
| CN208493333U (en) | A kind of quantified extract syringe | |
| CN206214103U (en) | A kind of New Blood sampler | |
| CN204855198U (en) | Quantitative sample thief of liquid sample trace | |
| CN207964749U (en) | A kind of injector | |
| CN208194428U (en) | A kind of pipetting tip | |
| CN208206891U (en) | A kind of gas chromatograph automatic sampling assistor | |
| CN207114493U (en) | A kind of food examined post adapter soon | |
| CN106510772B (en) | Be used for endocrinology department to dismantle many samples hydrops sampler | |
| CN202036225U (en) | Blood collector | |
| CN220019034U (en) | Pharmacy experiment sample injector | |
| CN204274470U (en) | A kind of single use sterile blood sampler | |
| CN208355865U (en) | Infusion flow adjuster and infusion apparatus | |
| CN205593798U (en) | Make things convenient for oil field oil inspection's multitube sample instrument | |
| CN202437133U (en) | Test tube for blood test | |
| CN205785936U (en) | A kind of micro-water in transformer oil automatic sampling apparatus | |
| CN209606147U (en) | A kind of fluid sampler | |
| CN214804912U (en) | Sampling injector with retractable needle | |
| CN202982012U (en) | Disposable blood-sampling container and puncture needle | |
| CN202604841U (en) | Blood return visible blood taking needle |
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: 20181012 Termination date: 20220205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |