CN209167244U - A kind of gas chromatograph collecting trap - Google Patents
A kind of gas chromatograph collecting trap Download PDFInfo
- Publication number
- CN209167244U CN209167244U CN201821840980.6U CN201821840980U CN209167244U CN 209167244 U CN209167244 U CN 209167244U CN 201821840980 U CN201821840980 U CN 201821840980U CN 209167244 U CN209167244 U CN 209167244U
- Authority
- CN
- China
- Prior art keywords
- tube body
- rear cover
- outer tube
- gas chromatograph
- fixed frame
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- NFGXHKASABOEEW-UHFFFAOYSA-N 1-methylethyl 11-methoxy-3,7,11-trimethyl-2,4-dodecadienoate Chemical compound COC(C)(C)CCCC(C)CC=CC(C)=CC(=O)OC(C)C NFGXHKASABOEEW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a kind of gas chromatograph collecting trap, including outer tube body, rear cover, connection mouth and pin hole, the outer wall surface of the outer tube body offers screw thread, and outer tube body is internally provided with interior tube body, the two sides up and down of said inner tube body are provided with copper gasket, and the inside of outer tube body is arranged in copper gasket, the lower section of outer tube body is arranged in the rear cover, and the inner wall surface of rear cover offers thread groove, the rear cover is internally provided with fixed plate, and the lower section of fixed plate is connected by spring with the bottom of rear cover, the top of outer tube body is arranged in the connection mouth, and connection mouth is internally provided with through-hole, the inner upper of the through-hole is provided with fixed frame, and fixed frame is internally provided with strainer.The gas chromatograph collecting trap, is provided with interior tube body and rear cover, when needing to replace collecting trap, rear cover can be rotatably unscrewed, remove copper gasket, then takes out interior tube body inside outer tube body and replaces.
Description
Technical field
The utility model belongs to gas chromatograph techniques field more particularly to a kind of gas chromatograph collecting trap.
Background technique
Gas chromatograph brings chromatographic column by carrier gas, by mixed to being intended to detect after analysis sample gasifies in injection port
The chromatographic column that component in object there are different retention properties is closed, each group is separated, successively imports detector, to obtain the detection of each component
Signal.
General gas chromatograph collecting trap can be filtered filler, but after long-time use, when replacing collecting trap
It needs to replace entire collecting trap, so that operating cost is got higher, utilization cost is larger.
Utility model content
The utility model provides a kind of gas chromatograph collecting trap, it is intended to which solving general gas chromatograph collecting trap can be with
Filler is filtered, but after long-time use, needs to replace entire collecting trap when replacing collecting trap, so that behaviour
It is got higher as cost, the larger problem of utilization cost.
The utility model is realized in this way a kind of gas chromatograph collecting trap, including outer tube body, rear cover, connection mouth and
Pin hole, the outer wall surface of the outer tube body offer screw thread, and outer tube body is internally provided with interior tube body, said inner tube body
Upper and lower two sides are provided with copper gasket, and the inside of outer tube body is arranged in copper gasket, and the lower section of outer tube body is arranged in the rear cover,
And the inner wall surface of rear cover offers thread groove, the rear cover is internally provided with fixed plate, and passes through bullet below fixed plate
Spring is connected with the bottom of rear cover, the connection mouth is arranged in the top of outer tube body, and connection mouth is internally provided with through-hole, institute
The inner upper for stating through-hole is provided with fixed frame, and fixed frame is internally provided with strainer, and the strainer two sides are provided with card
Block, and fixture block is fastened in card slot, while card slot is provided with the inner wall two sides of fixed frame, is provided with gear above the fixture block
Plate, and the outer upper side of baffle is connected by shaft with fixed frame, the pin hole is provided on fixture block and baffle, and bolt
The inside in hole, which is run through, bolt.
Further, the copper gasket is symmetrical arranged about the central axes of interior tube body, and there are two copper gasket settings.
Further, the rear cover is threadedly coupled by thread groove and screw thread with outer tube body, and the inside diameter of rear cover
Equal to the outer dia of outer tube body.
Further, the fixed plate constitutes stretching structure, and the size and copper gasket of fixed plate by spring and rear cover
Size it is identical.
Further, the strainer is connected together by fixture block and card slot with fixed frame, and the diameter of strainer and fixation
The inside diameter of frame is identical.
Further, the baffle constitutes rotational structure by shaft and fixed frame, and the size of baffle is greater than fixture block
Size.
Further, the pin hole and bolt are symmetrical arranged about the central axes of fixed frame, and pin hole and bolt
It is provided with two groups.
Compared with prior art, the utility model has the beneficial effects that the gas chromatograph collecting trap,
(1) it is provided with interior tube body and rear cover, when needing to replace collecting trap, rear cover can be rotatably unscrewed, be taken
Then interior tube body is taken out inside outer tube body and is replaced, replacement can be completed by lower copper gasket, do not need to carry out collecting trap
It entirely replaces, reduces use cost；
(2) it is provided with spring and fixed plate, after the completion of replacement, during rear cover rotation is tightened, spring can be forced
Contracting makes fixed plate resist the copper gasket below interior tube body, so that copper gasket and interior tube body be fixed, prevents interior tube body from making
Used time is displaced；
(3) it is provided with strainer and bolt, strainer can be filtered the air inlet in through-hole, clear when needing to carry out strainer
When washing and replacing, the bolt in pin hole can be taken out, then by baffle Unscrew, that is, can be taken off strainer carry out cleaning and more
It changes.
Detailed description of the invention
Fig. 1 is the utility model positive structure diagram；
Fig. 2 is the utility model rear cover inside top structural schematic diagram；
Fig. 3 is positive structure diagram inside the utility model fixed frame；
Fig. 4 is enlarged structure schematic diagram at A in the utility model Fig. 1；
Fig. 5 is the utility model fixed frame overlooking structure diagram.
In figure: 1, outer tube body, 2, screw thread, 3, interior tube body, 4, copper gasket, 5, rear cover, 6, thread groove, 7, fixed plate, 8, bullet
Spring, 9, connection mouth, 10, through-hole, 11, fixed frame, 12, strainer, 13, fixture block, 14, card slot, 15, baffle, 16, shaft, 17, bolt
Hole, 18, bolt.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.In addition, the meaning of " plurality " is two or more in the description of the present invention, unless separately
There is clearly specific restriction.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of gas chromatograph collecting trap, according to Fig. 1 institute
Show, the outer wall surface of outer tube body 1 offers screw thread 2, and outer tube body 1 is internally provided with interior tube body 3, when long-time is using needing
When replacing to collecting trap, rear cover 5 can be rotatably unscrewed, then takes out copper gasket 4, interior tube body 3 is taken inside outer tube body 1
Out, interior tube body 3 is replaced, the two sides up and down of interior tube body 3 are provided with copper gasket 4, and copper gasket 4 is arranged in outer tube
The inside of body 1, copper gasket 4 are symmetrical arranged about the central axes of interior tube body 3, and there are two the settings of copper gasket 4, copper gasket 4 can be with
Play the role of fixed to interior tube body 3 and limits.
According to Fig. 1 and Fig. 2, the lower section of outer tube body 1 is arranged in rear cover 5, and the inner wall surface of rear cover 5 offers screw thread
Slot 6, rear cover 5 are to be threadedly coupled, and the inside diameter of rear cover 5 is equal to outer tube body 1 with outer tube body 1 by thread groove 6 and screw thread 2
Outer dia can rotatably unscrew rear cover 5, then take out copper gasket 4, to replace to interior tube body 3.
According to Fig. 1 and Fig. 4, rear cover 5 is internally provided with fixed plate 7, and the lower section of fixed plate 7 by spring 8 with
The bottom of rear cover 5 is connected, and fixed plate 7 constitutes stretching structure, and the size and copper gasket of fixed plate 7 by spring 8 and rear cover 5
4 size is identical, can rotate and tighten rear cover 5, and during tightening rear cover 5,8 forced compression of spring can be such that fixed plate 7 resists
Copper gasket 4 and interior tube body 3 is fixed in copper gasket 4, and interior tube body 3 can be prevented to be displaced when in use.
According to FIG. 1 and FIG. 3, connection mouth 9 is arranged in the top of outer tube body 1, and connection mouth 9 is internally provided with through-hole
10, the inner upper of through-hole 10 is provided with fixed frame 11, and fixed frame 11 is internally provided with strainer 12, and strainer 12 passes through fixture block
13 and card slot 14 and fixed frame 11 be to be connected together, and the diameter of strainer 12 is identical with the inside diameter of fixed frame 11, strainer 12
Air inlet can be filtered, keep the adsorption effect of collecting trap more preferable.
According to Fig. 4 and Fig. 5,12 two sides of strainer are provided with fixture block 13, and fixture block 13 is fastened in card slot 14, simultaneously
Card slot 14 is provided with the inner wall two sides of fixed frame 11, and the top of fixture block 13 is provided with baffle 15, and the outer upper side of baffle 15 is logical
It crosses shaft 16 to be connected with fixed frame 11, after good to 12 cleaning replacement of strainer, the fixture block 13 at 12 both ends of strainer can be caught in
In the card slot 14 of 11 inside two sides of fixed frame, then rotary closing baffle 15, baffle 15 can play fixed function to strainer 12,
Baffle 15 constitutes rotational structure by shaft 16 and fixed frame 11, and the size of baffle 15 is greater than the size of fixture block 13, Ke Yixuan
Turn to open baffle 15, strainer 12 is taken out out of fixed frame 11 and is cleaned and is replaced, pin hole 17 is provided with fixture block 13 and gear
On plate 15, and the inside of pin hole 17 is through having bolt 18, the central axes pair of pin hole 17 and bolt 18 about fixed frame 11
Claim setting, and pin hole 17 and bolt 18 are provided with two groups, bolt 18 is inserted into pin hole 17, it can be to baffle 15 and filter
Net 12 plays fixed function.
The working principle and process for using of the utility model: when using the gas chromatograph collecting trap, make when for a long time
When with needing to replace collecting trap, rear cover 5 can be rotatably unscrewed, then taking out copper gasket 4, by interior tube body 3 from outer tube body 1
Inside is taken out, and is replaced to interior tube body 3, without replacing to entire collecting trap, is reduced use cost, replaced
Cheng Hou, by the pad of copper gasket 4 below interior tube body 3, then rear cover 5 is tightened in rotation, and during tightening rear cover 5, spring 8 is forced
Contracting can make fixed plate 7 resist copper gasket 4, be fixed to copper gasket 4 and interior tube body 3, can prevent interior tube body 3 from going out when in use
It is now displaced, when in use, when air-flow passes through through-hole 10, the strainer 12 inside fixed frame 11 can be filtered air inlet, be made
The adsorption effect of collecting trap is more preferable, can will be in pin hole 17 when long-time service needs that strainer 12 is cleaned and replaced
Bolt 18 take out, then Unscrew baffle 15, strainer 12 can be taken out cleaned and replaced out of fixed frame 11,
The content being not described in detail in specification belongs to the prior art well known to professional and technical personnel in the field.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (7)
1. a kind of gas chromatograph collecting trap, including outer tube body, rear cover, connection mouth and pin hole, it is characterised in that: the outer tube
The outer wall surface of body offers screw thread, and outer tube body is internally provided with interior tube body, and the two sides up and down of said inner tube body are respectively provided with
There is copper gasket, and the inside of outer tube body is arranged in copper gasket, the lower section of outer tube body, and the inner wall table of rear cover is arranged in the rear cover
Face offers thread groove, and the rear cover is internally provided with fixed plate, and the lower section of fixed plate passes through the bottom of spring and rear cover
It is connected, the connection mouth is arranged in the top of outer tube body, and connection mouth is internally provided with through-hole, on the inside of the through-hole
Side is provided with fixed frame, and fixed frame is internally provided with strainer, and the strainer two sides are provided with fixture block, and fixture block is fastened on
In card slot, while card slot is provided with the inner wall two sides of fixed frame, is provided with baffle above the fixture block, and on the outside of baffle
Side is connected by shaft with fixed frame, and the pin hole is provided on fixture block and baffle, and the inside of pin hole is slotting through having
Pin.
2. a kind of gas chromatograph collecting trap according to claim 1, it is characterised in that: the copper gasket is about interior tube body
Central axes be symmetrical arranged, and copper gasket setting there are two.
3. a kind of gas chromatograph collecting trap according to claim 1, it is characterised in that: the rear cover by thread groove and
Screw thread is to be threadedly coupled, and the inside diameter of rear cover is equal to the outer dia of outer tube body with outer tube body.
4. a kind of gas chromatograph collecting trap according to claim 1, it is characterised in that: the fixed plate by spring with
Rear cover constitutes stretching structure, and the size of fixed plate is identical with the size of copper gasket.
5. a kind of gas chromatograph collecting trap according to claim 1, it is characterised in that: the strainer passes through fixture block and card
Slot is to be connected together, and the diameter of strainer is identical with the inside diameter of fixed frame with fixed frame.
6. a kind of gas chromatograph collecting trap according to claim 1, it is characterised in that: the baffle is by shaft and admittedly
Determine frame and constitute rotational structure, and the size of baffle is greater than the size of fixture block.
7. a kind of gas chromatograph collecting trap according to claim 1, it is characterised in that: the pin hole and bolt close
It is symmetrical arranged in the central axes of fixed frame, and pin hole and bolt are provided with two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821840980.6U CN209167244U (en) | 2018-11-09 | 2018-11-09 | A kind of gas chromatograph collecting trap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821840980.6U CN209167244U (en) | 2018-11-09 | 2018-11-09 | A kind of gas chromatograph collecting trap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209167244U true CN209167244U (en) | 2019-07-26 |
Family
ID=67337410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821840980.6U Expired - Fee Related CN209167244U (en) | 2018-11-09 | 2018-11-09 | A kind of gas chromatograph collecting trap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209167244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666276A (en) * | 2020-11-30 | 2021-04-16 | 浙江必利夫检测科技有限公司 | Gas chromatograph for detecting alcohols and detection method thereof |
-
2018
- 2018-11-09 CN CN201821840980.6U patent/CN209167244U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112666276A (en) * | 2020-11-30 | 2021-04-16 | 浙江必利夫检测科技有限公司 | Gas chromatograph for detecting alcohols and detection method thereof |
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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: 20190726 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |