CN211993052U - Sampling mechanism of headspace sample injector - Google Patents
Sampling mechanism of headspace sample injector Download PDFInfo
- Publication number
- CN211993052U CN211993052U CN202020584336.8U CN202020584336U CN211993052U CN 211993052 U CN211993052 U CN 211993052U CN 202020584336 U CN202020584336 U CN 202020584336U CN 211993052 U CN211993052 U CN 211993052U
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- headspace
- headspace bottle
- sampling mechanism
- bottle
- jaw
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 238000005070 sampling Methods 0.000 title claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 230000000670 limiting effect Effects 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 abstract description 8
- 206010053615 Thermal burn Diseases 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000007792 gaseous phase Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a sampling mechanism of a headspace sample injector, which comprises a machine body and a three-jaw chuck with clamping jaws, wherein the machine body is provided with a heating box, the top of the heating box is provided with a rotating disk, and the rotating disk is provided with a headspace bottle groove; be equipped with headspace bottle sampling mechanism on the organism, headspace bottle sampling mechanism includes the grudging post of vertical setting on the organism, the top of grudging post is equipped with horizontal rotation's revolving cylinder, be equipped with the rotation horizontal pole of horizontal setting on the rotatory piece on the revolving cylinder, be equipped with vertical decurrent telescopic cylinder on the rotation horizontal pole, telescopic cylinder's flexible point is equipped with the lifter plate, the tip of lifter plate is equipped with the locating piece, the inboard of jack catch is equipped with the grip block, be equipped with expanding spring between grip block and the jack catch. The utility model discloses can accomplish the sample work to the headspace bottle automatically, effectively avoid heating headspace analysis back, cause the scald to the technical staff because of headspace bottle high temperature.
Description
Technical Field
The utility model relates to a headspace sample injector technical field specifically is a sampling mechanism of headspace sample injector.
Background
The gas chromatograph is an instrument for analyzing and detecting each component in the mixed gas; the method has wide application in fire investigation, petroleum, chemical industry, biochemistry, medicine and health, food industry, environmental protection and the like. It can be used for quantitative and qualitative analysis, and can also be used for determining the distribution coefficient, activity coefficient, molecular weight and specific surface area of sample on the stationary phase. Because the gas chromatograph has a high requirement on the speed of sample injection of gas or liquid samples, an independent headspace sample injector is generally adopted to provide sample injection samples with stable flow rate, form and temperature for the gas chromatograph at present. At the in-process of gaseous phase appearance of advancing, need heat the sample bottle, after gaseous phase analysis, the sample bottle exists the high temperature, and what be present takes out the sample bottle from carousel subassembly through manual, because the sample bottle exists the high temperature and scalds technical staff's both hands easily, therefore we improve the sampling mechanism of a headspace sample injector.
SUMMERY OF THE UTILITY MODEL
For the defect that solves prior art and exists, the utility model provides a headspace sample injector's sampling mechanism.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a sampling mechanism of headspace sample injector, including organism and three-jaw chuck that has the jack catch, be equipped with the heating cabinet on the organism, the top of heating cabinet is equipped with the rotary disk, be equipped with headspace bottle groove on the rotary disk, the bottom of headspace bottle groove is equipped with headspace bottle bracket, be equipped with the heating pipe in the heating cabinet; be equipped with headspace bottle sampling mechanism on the organism, headspace bottle sampling mechanism includes the grudging post of vertical setting on the organism, the top of grudging post is equipped with horizontal rotation's revolving cylinder, be equipped with the rotation horizontal pole of horizontal setting on the rotatory piece on the revolving cylinder, be equipped with vertical decurrent telescopic cylinder on the rotation horizontal pole, telescopic cylinder's flexible point is equipped with the lifter plate, the tip of lifter plate is equipped with the locating piece, the three-jaw chuck is fixed in the bottom of locating piece and is located the headspace bottle groove directly over, the inboard of jack catch is equipped with the grip block, be equipped with the gag lever post of horizontal setting on the grip block, be equipped with on the jack catch with gag lever post complex spacing hole, be equipped with expanding spring between grip block and the jack catch.
As an optimized technical scheme of the utility model, the inboard of grip block is equipped with the arc wall.
As an optimized technical scheme of the utility model, be equipped with the rubber layer on the cell wall of arc wall.
As an optimal technical scheme of the utility model, the top of locating piece is equipped with vertical ascending spacing slide bar, be equipped with the sleeve that supplies spacing slide bar to pass on the rotation horizontal pole.
As an optimized technical scheme of the utility model, the top of headspace bottle bracket and headspace bottle groove is equipped with the protective layer.
The utility model has the advantages that: this kind of sampling mechanism of headspace injector, in the headspace bottle inslot on the rotary disk need be placed to the headspace bottle that is equipped with the sample when using, and utilize headspace bottle bracket to carry out the support to the headspace bottle that is equipped with the sample and carry the location, make the headspace bottle be in the inner chamber of heating cabinet, sample in the headspace bottle heats, when taking the headspace bottle after the headspace analysis, it is the decline of three-jaw chuck to drive through telescopic cylinder, it gets to press from both sides the upper portion of headspace bottle to utilize three-jaw chuck, when three-jaw chuck got the headspace bottle and gets, under telescopic spring's elasticity is flexible, the grip block was in close contact with the upper portion of headspace bottle, make the jack catch can be firmly fix the headspace bottle, wherein under telescopic spring's effect, be elastic contact between grip block and the headspace bottle, the jack catch has effectively been avoided the centre gripping excessive and has made the headspace bottle fracture. After the centre gripping of three-jaw chuck pair head empty bottle, telescopic cylinder is flexible, gets the head empty bottle from the head empty bottle inslot, and then revolving cylinder rotates, drives and rotates the horizontal pole and rotate, takes away the head empty bottle from head empty bottle groove top, accomplishes the sample work to the head empty bottle, has effectively avoided heating head empty analysis back, causes the scald to technical staff because of head empty bottle high temperature.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a sampling mechanism of a headspace sampler according to the present invention;
fig. 2 is a schematic structural diagram of a telescopic spring of a sampling mechanism of a headspace sampler according to the present invention;
fig. 3 is a schematic structural diagram of a clamping plate of a sampling mechanism of a headspace sampler according to the present invention.
In the figure: 1. a body; 2. a three-jaw chuck; 3. a claw; 4. a heating box; 5. rotating the disc; 6. a headspace bottle slot; 7. a headspace bottle holder; 8. heating a tube; 9. a headspace bottle sampling mechanism; 10. erecting a frame; 11. a rotary cylinder; 12. rotating the cross bar; 13. a telescopic cylinder; 14. a lifting plate; 15. positioning blocks; 16. a clamping block; 17. a limiting rod; 18. a limiting hole; 19. a tension spring; 20. an arc-shaped slot; 21. a limiting slide bar; 22. a sleeve; 23. the motor is driven.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, fig. 2 and fig. 3, the utility model relates to a sampling mechanism of headspace sampler, including organism 1 and three-jaw chuck 2 that has jack catch 3, its characterized in that: a heating box 4 is arranged on the machine body 1, a rotating disc 5 is arranged at the top of the heating box 4, a headspace bottle groove 6 is arranged on the rotating disc 5, a headspace bottle bracket 7 is arranged at the bottom of the headspace bottle groove 6, and a heating pipe 8 is arranged in the heating box 4; be equipped with headspace bottle sampling mechanism 9 on organism 1, headspace bottle sampling mechanism 9 includes vertical grudging post 10 that sets up on organism 1, the top of grudging post 10 is equipped with horizontal rotation's revolving cylinder 11, be equipped with the rotation horizontal pole 12 of horizontal setting on the rotatory piece on the revolving cylinder 11, be equipped with vertical decurrent telescopic cylinder 13 on the rotation horizontal pole 12, telescopic cylinder 13's telescopic point is equipped with lifter plate 14, lifter plate 14's tip is equipped with locating piece 15, three-jaw chuck 2 is fixed in the bottom of locating piece 15 and is located headspace bottle groove 6 directly over, the inboard of jack catch 3 is equipped with grip block 16, be equipped with the gag lever post 17 of horizontal setting on the grip block 16, be equipped with on the jack catch 3 with gag lever post 17 complex spacing hole 18, be equipped with expanding spring 19 between grip block 16 and the jack catch 3. When the device is used, a headspace bottle filled with a sample is required to be placed in a headspace bottle groove 6 on a rotating disk 5, the headspace bottle filled with the sample is supported and positioned by a headspace bottle bracket 7, the headspace bottle is positioned in an inner cavity of a heating box 4, the sample in the headspace bottle is heated, when the headspace bottle after headspace analysis is taken, a three-jaw chuck is driven to descend by a telescopic cylinder 13, the upper part of the headspace bottle is clamped by the three-jaw chuck, when the headspace bottle is clamped by the three-jaw chuck, under the elastic expansion and contraction of a telescopic spring 19, a clamping block 16 is in close contact with the upper part of the headspace bottle, so that the headspace bottle can be firmly fixed by a clamping jaw 3, wherein under the action of the telescopic spring 19, the clamping block 16 is in elastic contact with the headspace bottle, and the situation that the headspace bottle is broken due to the excessive clamping of the clamping jaw 3 is effectively avoided. After the centre gripping of three-jaw chuck is to the headspace bottle, telescopic cylinder 13 is flexible, gets the headspace bottle from headspace bottle groove 6, then revolving cylinder 11 rotates, drives and rotates horizontal pole 12 and rotate, takes away the headspace bottle from headspace bottle groove 6 top, accomplishes the sample work to the headspace bottle, has effectively avoided heating headspace analysis back, causes the scald to technical staff because of headspace bottle high temperature. Wherein the rotating disc 5 can be driven by a drive motor 23.
Wherein, the inner side of the clamping block 16 is provided with an arc-shaped groove 20, and clamps the cylindrical bottle body.
Wherein, the rubber layer is arranged on the wall of the arc-shaped groove 20, which plays a role of protection.
The top of the positioning block 15 is provided with a vertically upward limiting slide rod 21, and the rotating cross rod 12 is provided with a sleeve 22 for the limiting slide rod 21 to pass through, so that the limiting effect is achieved, and the positioning block 15 can move up and down linearly.
The top of headspace bottle bracket 7 and headspace bottle groove 6 is equipped with the protective layer, has played the effect of protection, avoids the headspace bottle to place the collision and causes and break.
The working principle is as follows: when the device is used, a headspace bottle filled with a sample is required to be placed in a headspace bottle groove 6 on a rotating disk 5, the headspace bottle filled with the sample is supported and positioned by a headspace bottle bracket 7, the headspace bottle is positioned in an inner cavity of a heating box 4, the sample in the headspace bottle is heated, when the headspace bottle after headspace analysis is taken, a three-jaw chuck is driven to descend by a telescopic cylinder 13, the upper part of the headspace bottle is clamped by the three-jaw chuck, when the headspace bottle is clamped by the three-jaw chuck, under the elastic expansion and contraction of a telescopic spring 19, a clamping block 16 is in close contact with the upper part of the headspace bottle, so that the headspace bottle can be firmly fixed by a clamping jaw 3, wherein under the action of the telescopic spring 19, the clamping block 16 is in elastic contact with the headspace bottle, and the situation that the headspace bottle is broken due to the excessive clamping of the clamping jaw 3 is effectively avoided. After the centre gripping of three-jaw chuck is to the headspace bottle, telescopic cylinder 13 is flexible, gets the headspace bottle from headspace bottle groove 6, then revolving cylinder 11 rotates, drives and rotates horizontal pole 12 and rotate, takes away the headspace bottle from headspace bottle groove 6 top, accomplishes the sample work to the headspace bottle, has effectively avoided heating headspace analysis back, causes the scald to technical staff because of headspace bottle high temperature.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a sampling mechanism of headspace sample injector, includes organism (1) and three-jaw chuck (2) that have jack catch (3), its characterized in that: a heating box (4) is arranged on the machine body (1), a rotating disc (5) is arranged at the top of the heating box (4), a headspace bottle groove (6) is formed in the rotating disc (5), a headspace bottle bracket (7) is arranged at the bottom of the headspace bottle groove (6), and a heating pipe (8) is arranged in the heating box (4); the machine body (1) is provided with a headspace bottle sampling mechanism (9), the headspace bottle sampling mechanism (9) comprises a vertical frame (10) vertically arranged on the machine body (1), the top end of the vertical frame (10) is provided with a horizontally rotating rotary cylinder (11), a transversely arranged rotary cross rod (12) is arranged on a rotary block on the rotary cylinder (11), the rotary cross rod (12) is provided with a vertically downward telescopic cylinder (13), a telescopic point of the telescopic cylinder (13) is provided with a lifting plate (14), the end part of the lifting plate (14) is provided with a positioning block (15), the three-jaw chuck (2) is fixed at the bottom of the positioning block (15) and is positioned right above a headspace bottle groove (6), the inner side of the jaw (3) is provided with a clamping block (16), the clamping block (16) is provided with a transversely arranged limiting rod (17), the jaw (3) is provided with a limiting hole (18) matched with the limiting rod (17), and a telescopic spring (19) is arranged between the clamping block (16) and the clamping jaw (3).
2. The sampling mechanism of a headspace sampler according to claim 1, wherein the clamping block (16) is provided with an arcuate slot (20) on the inside.
3. The sampling mechanism of a headspace sampler as claimed in claim 2, wherein the wall of the arc-shaped groove (20) is provided with a rubber layer.
4. The sampling mechanism of the headspace sampler according to claim 1, wherein the top of the positioning block (15) is provided with a vertically upward limit slide rod (21), and the rotating cross bar (12) is provided with a sleeve (22) for the limit slide rod (21) to pass through.
5. The sampling mechanism of a headspace sampler according to claim 1, wherein the headspace bottle holder (7) and the top of the headspace bottle channel (6) are provided with a protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584336.8U CN211993052U (en) | 2020-04-20 | 2020-04-20 | Sampling mechanism of headspace sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020584336.8U CN211993052U (en) | 2020-04-20 | 2020-04-20 | Sampling mechanism of headspace sample injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211993052U true CN211993052U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020584336.8U Expired - Fee Related CN211993052U (en) | 2020-04-20 | 2020-04-20 | Sampling mechanism of headspace sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211993052U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928844A (en) * | 2021-09-26 | 2022-01-14 | 郑州黄金叶实业总公司 | Automatic clamping device for paper in headspace bottle |
| CN115184494A (en) * | 2022-07-08 | 2022-10-14 | 谱质分析检测技术(上海)有限公司 | Automatic headspace sample injector |
-
2020
- 2020-04-20 CN CN202020584336.8U patent/CN211993052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928844A (en) * | 2021-09-26 | 2022-01-14 | 郑州黄金叶实业总公司 | Automatic clamping device for paper in headspace bottle |
| CN115184494A (en) * | 2022-07-08 | 2022-10-14 | 谱质分析检测技术(上海)有限公司 | Automatic headspace sample injector |
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| 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: 20201124 |