CN219935768U - Chromatographic sampling equipment - Google Patents
Chromatographic sampling equipment Download PDFInfo
- Publication number
- CN219935768U CN219935768U CN202320754370.9U CN202320754370U CN219935768U CN 219935768 U CN219935768 U CN 219935768U CN 202320754370 U CN202320754370 U CN 202320754370U CN 219935768 U CN219935768 U CN 219935768U
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- CN
- China
- Prior art keywords
- piston rod
- syringe
- rod
- movable
- sleeve
- 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.)
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- 238000005070 sampling Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000004587 chromatography analysis Methods 0.000 claims 5
- 238000005213 imbibition Methods 0.000 abstract description 4
- 210000003813 thumb Anatomy 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 210000003811 finger Anatomy 0.000 description 3
- 238000009835 boiling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to the technical field of chromatographic sampling devices, in particular to chromatographic sampling equipment, which comprises a syringe, wherein a piston rod is arranged on the syringe, a mounting sleeve is arranged on the syringe, a connecting rod is arranged on one side of the mounting sleeve, a fixing sleeve is further arranged on the syringe, a limit bolt is connected to one side of the fixing sleeve in a threaded manner, a movable rod is inserted into the fixing sleeve, and a push plate is fixedly connected to the movable rod. The utility model has the advantages that: this chromatographic sampling equipment, through setting up installation cover, connecting rod, fixed cover, stop bolt, movable rod, push pedal and piston rod cover, installation cover is on the syringe during the use, and piston rod cover is in piston rod end position, uses the thumb to promote the push pedal and reciprocates this moment, alright work of imbibition and flowing back, and the device's setting makes the action of imbibition and flowing back can operate more easily, convenient to use, effectual improvement staff's excellent in use.
Description
Technical Field
The utility model relates to the technical field of chromatographic sampling devices, in particular to chromatographic sampling equipment.
Background
The manual injection system microinjector belongs to one kind of conventional injection equipment, and is especially one kind of manual injection system for extracting certain amount of gas or liquid sample with microinjector and injecting into gas chromatograph for analysis, and is suitable for analysis of heat stable gas and liquid sample with boiling point below 500 deg.c.
In the utility model patent with the publication number of CN203324234U, a chromatographic manual sample injection device is provided, the prior art is researched, the use of the prior art is inconvenient, an existing operator has to grasp a single hand needle when using a manual sample injection system microinjector to operate, but the conventional injector has a simple structure, an injection rod is clamped by an index finger and a middle finger during liquid suction, the injection rod is pumped upwards, and the index finger is required to push down the injection rod to push out a sample during liquid pushing, so that the operation is relatively troublesome.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
The utility model aims to overcome the defects of the prior art, solve the problems in the background art and provide chromatographic sample injection equipment.
The aim of the utility model is achieved by the following technical scheme: the utility model provides a chromatographic sampling equipment, includes the syringe, be provided with the piston rod on the syringe, be provided with the installation cover on the syringe, one side connecting rod of installation cover still is provided with fixed cover on the syringe, threaded connection of one side of fixed cover has stop bolt, the inside grafting of fixed cover has mobilizable movable rod, fixedly connected with push pedal on the movable rod, the one end fixedly connected with piston rod cover of movable rod, the other end and the connecting rod sliding connection of movable rod.
Preferably, the mounting sleeves are sleeved on the injector, and the number of the mounting sleeves is two.
By adopting the technical scheme, the two mounting sleeves are sleeved on the injector, so that the mounting is stable.
Preferably, a sliding groove is formed in one side of the connecting rod, and one end of the movable rod slides in the sliding groove.
Through adopting above-mentioned technical scheme, movable rod one end embedding spout is inside, can slide from top to bottom in the spout, and its stable slip has been guaranteed in the setting of spout.
Preferably, a threaded hole is formed in one side of the fixed sleeve, the limit bolt is in threaded connection with the inside of the threaded hole, a movable hole is formed in the fixed sleeve, and the movable rod is slidably arranged in the movable hole.
Through adopting above-mentioned technical scheme, offer the screw hole and pass through installation stop bolt, rotatory stop bolt can carry out the fixed of fixed cover for the device is stable to be fixed.
Preferably, the piston rod sleeve is sleeved at the end part of the piston rod, a slide way is arranged on the piston rod sleeve, and the width of the slide way is larger than the diameter of the piston rod.
Preferably, anti-skid patterns are arranged on the push plate, and the push plate is made of rubber.
Through adopting above-mentioned technical scheme, the setting of anti-skidding line makes things convenient for the staff to promote the push pedal more, and rubber material's push pedal uses more comfortablely.
Compared with the prior art, the utility model has the following advantages:
this chromatographic sampling equipment, through setting up installation cover, connecting rod, fixed cover, stop bolt, movable rod, push pedal and piston rod cover, installation cover is on the syringe during the use, and piston rod cover is in piston rod end position, uses the thumb to promote the push pedal and reciprocates this moment, alright work of imbibition and flowing back, and the device's setting makes the action of imbibition and flowing back can operate more easily, convenient to use, effectual improvement staff's excellent in use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a zero-pattern structure according to the present utility model;
FIG. 3 is a schematic view of a partial structure of the present utility model;
fig. 4 is a schematic partial structure of a zero-first aspect of the present utility model.
In the figure: 1-injector, 2-piston rod, 3-installation sleeve, 4-connecting rod, 401-chute, 5-limit bolt, 6-movable rod, 7-push plate, 8-piston rod sleeve, 801-chute, 9-fixed sleeve, 901-threaded hole, 902-movable hole.
Detailed Description
Additional aspects and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
As shown in figures 1-4, the chromatographic sample injection device comprises a syringe 1, a piston rod 2 is arranged on the syringe 1, a mounting sleeve 3 is arranged on the syringe 1, one side of the mounting sleeve 3 is connected with a rod 4, a fixing sleeve 9 is further arranged on the syringe 1, one side of the fixing sleeve 9 is connected with a limit bolt 5 in a threaded manner, a movable rod 6 is inserted into the fixing sleeve 9, a push plate 7 is fixedly connected onto the movable rod 6, one end of the movable rod 6 is fixedly connected with a piston rod sleeve 8, the other end of the movable rod 6 is in sliding connection with the connecting rod 4, the mounting sleeve 3 is sleeved on the syringe 1 through the arrangement of the mounting sleeve 4, the fixing sleeve 9, the limit bolt 5, the movable rod 6, the push plate 7 and the piston rod sleeve 8, and when in use, the piston rod sleeve 8 is sleeved at the end position of the piston rod 2, the push plate 7 is pushed by a thumb to move up and down at the moment, the work of liquid suction and liquid discharge can be carried out.
Specifically, as shown in fig. 1 and 2, the installation sleeve 3 is sleeved on the injector 1, two installation sleeves 3 are arranged, two installation sleeves 3 are sleeved on the injector 1, so that installation is stable, specifically, one side of the connecting rod 4 is provided with a sliding groove 401, one end of the movable rod 6 slides in the sliding groove 401, one end of the movable rod 6 is embedded into the sliding groove 401 and can slide up and down in the sliding groove 401, stable sliding of the movable rod 6 is ensured by the sliding groove 401, the piston rod sleeve 8 is sleeved at the end part of the piston rod 2, a slide way 801 is formed in the piston rod sleeve 8, the width of the slide way 801 is larger than the diameter of the piston rod 2, anti-slip patterns are formed in the push plate 7, the push plate 7 is made of rubber, the anti-slip patterns are arranged to facilitate the push plate 7 by workers, and the push plate 7 made of the rubber is more comfortable to use.
Specifically, as shown in fig. 3 and 4, a threaded hole 901 is formed in one side of the fixed sleeve 9, a limit bolt 5 is in threaded connection with the inside of the threaded hole 901, a movable hole 902 is formed in the inside of the fixed sleeve 9, a movable rod 6 is slidably mounted in the inside of the movable hole 902, the threaded hole 901 is formed, the limit bolt 5 is mounted, and the fixed sleeve 9 can be fixed by rotating the limit bolt 5, so that the device is stably fixed.
The working principle of the utility model is as follows:
the installation sleeve 3 is sleeved on the injector 1, the piston rod sleeve 8 is sleeved at the end part of the piston rod 2, the fixing sleeve 9 is sleeved at the end part of the injector 1 and is fixed by using the limit bolt 5, and after the fixing is stable, the push plate 7 is pushed to move up and down, so that the work of liquid suction and liquid discharge can be performed.
Claims (6)
1. A chromatographic sampling device, characterized in that: including syringe (1), be provided with piston rod (2) on syringe (1), be provided with installation cover (3) on syringe (1), one side connecting rod (4) of installation cover (3) still is provided with fixed cover (9) on syringe (1), threaded connection of one side of fixed cover (9) has stop bolt (5), peg graft in the inside of fixed cover (9) has mobilizable movable rod (6), fixedly connected with push pedal (7) on movable rod (6), one end fixedly connected with piston rod cover (8) of movable rod (6), the other end and the connecting rod (4) sliding connection of movable rod (6).
2. The chromatography sampling apparatus of claim 1, wherein: the mounting sleeves (3) are sleeved on the injector (1), and the number of the mounting sleeves (3) is two.
3. The chromatography sampling apparatus of claim 1, wherein: one side of the connecting rod (4) is provided with a chute (401), and one end of the movable rod (6) slides in the chute (401).
4. The chromatography sampling apparatus of claim 1, wherein: screw holes (901) are formed in one side of the fixed sleeve (9), the limit bolts (5) are in threaded connection with the inside of the screw holes (901), movable holes (902) are formed in the fixed sleeve (9), and the movable rods (6) are slidably mounted in the movable holes (902).
5. The chromatography sampling apparatus of claim 1, wherein: the piston rod sleeve (8) is sleeved at the end part of the piston rod (2), a slide way (801) is arranged on the piston rod sleeve (8), and the width of the slide way (801) is larger than the diameter of the piston rod (2).
6. The chromatography sampling apparatus of claim 1, wherein: the anti-skid rubber is characterized in that anti-skid patterns are arranged on the push plate (7), and the push plate (7) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320754370.9U CN219935768U (en) | 2023-04-07 | 2023-04-07 | Chromatographic sampling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320754370.9U CN219935768U (en) | 2023-04-07 | 2023-04-07 | Chromatographic sampling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219935768U true CN219935768U (en) | 2023-10-31 |
Family
ID=88499925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320754370.9U Active CN219935768U (en) | 2023-04-07 | 2023-04-07 | Chromatographic sampling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219935768U (en) |
-
2023
- 2023-04-07 CN CN202320754370.9U patent/CN219935768U/en active Active
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