CN221199576U - Filtering device of gas chromatograph - Google Patents
Filtering device of gas chromatograph Download PDFInfo
- Publication number
- CN221199576U CN221199576U CN202322858313.8U CN202322858313U CN221199576U CN 221199576 U CN221199576 U CN 221199576U CN 202322858313 U CN202322858313 U CN 202322858313U CN 221199576 U CN221199576 U CN 221199576U
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- China
- Prior art keywords
- pipe
- limiting
- movable
- mounting
- fixedly connected
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- 238000001914 filtration Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims description 17
- 238000001125 extrusion Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013375 chromatographic separation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a filtering device of a gas chromatograph, which comprises a mounting pipe, wherein one end of the mounting pipe is fixedly connected with a fixed pipe, the other end of the mounting pipe is provided with a filtering mechanism, the filtering mechanism comprises a movable pipe, the inner wall of one end of the movable pipe is fixedly connected with a filter screen, one end of the movable pipe is provided with a plurality of mounting holes, the other end of the mounting pipe is fixedly connected with a plurality of fixed rods, and a limiting mechanism is arranged between the mounting pipe and the movable pipe. According to the utility model, the filter screen is driven to be inserted into the inner cavity of the installation pipe in a sliding way by moving the movable pipe to one end of the installation pipe, so that the fixed rod is inserted into the inner cavity of the installation hole in a sliding way, and then the movable ring at one end of the installation pipe is moved, so that one end of the limiting block extrudes the limiting rod, the first compression spring is deformed, one end of the limiting rod limits and fixes the fixed rod, and the limiting of the fixed rod is relieved by utilizing the elastic action of the first compression spring, so that the movable pipe and the filter screen can be conveniently detached and cleaned.
Description
Technical Field
The utility model relates to the field of gas detection, in particular to a filtering device of a gas chromatograph.
Background
The gas chromatograph is an instrument for performing qualitative and quantitative analysis on a multi-component complex mixture by utilizing chromatographic separation technology and detection technology, and components and characteristics in the gas are detected by introducing detection gas into the gas chromatograph.
When gas lets in gas chromatograph, the inside of gas through filter equipment filters the impurity wherein to improve gaseous purity, guarantee the accuracy that gas detected, make impurity accumulation on filter equipment's filter screen, influence gaseous passing through, and because the filter screen is fixed mounting in fixing device's inside more, be inconvenient for clearing up it, reduce filter equipment's ventilation performance.
Disclosure of utility model
The present utility model is directed to a filtering device of a gas chromatograph, so as to solve the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the filtering device of the gas chromatograph comprises a mounting tube, wherein one end of the mounting tube is fixedly connected with a fixing tube, and the mounting tube is used for fixedly mounting the mounting tube and the gas chromatograph;
the other end of the installation tube is provided with a filtering mechanism for filtering impurities in the gas;
The filtering mechanism comprises a movable tube, wherein the inner wall of one end of the movable tube is fixedly connected with a filter screen, the filter screen is connected with the inner cavity of the mounting tube in a sliding penetrating way, a plurality of mounting holes are formed in one end of the movable tube in an annular array at equal intervals, a plurality of fixing rods are fixedly connected to the other end of the mounting tube, and the fixing rods are connected with the inner cavity of the mounting holes in a sliding penetrating way;
and a limiting mechanism is arranged between the mounting pipe and the movable pipe and used for stably connecting the mounting pipe with the movable pipe.
Preferably, the limiting mechanism comprises a plurality of sleeves, one end of each sleeve is fixedly connected with the outer wall of one end of the movable pipe, and a limiting rod is connected in the inner cavity of each sleeve in a sliding penetrating and inserting mode.
Preferably, a limiting hole is formed in the middle of the fixing rod, and an inner cavity of the limiting hole is connected with one end of the limiting rod in a sliding penetrating mode.
Preferably, a first compression spring is arranged in the inner cavity of the sleeve, the first compression spring is movably sleeved with the other end of the limiting rod, and the other end of the limiting rod is fixedly connected with a squeezing block in a penetrating and inserting mode.
Preferably, the other end of the installation tube is connected with a movable ring in a sliding penetrating mode, a plurality of limiting blocks are fixedly connected to the outer wall of the movable ring, and the outer wall of each limiting block is attached to one end of each limiting rod.
Preferably, the back fixedly connected with connecting rod of stopper, the activity has cup jointed the pressure spring two on the connecting rod, the one end slip of connecting rod is connected with the fixed block in the interlude.
The utility model has the technical effects and advantages that:
According to the utility model, by means of the arrangement mode of matching the movable pipe, the filter screen, the fixed rods, the movable rings, the limiting blocks, the limiting rods, the limiting holes and the first pressure springs, the filter screen is driven to be inserted into the inner cavity of the mounting pipe in a sliding mode by moving the movable pipe to one end of the mounting pipe, so that the fixed rods are inserted into the inner cavity of the mounting hole in a sliding mode, then the movable rings at one end of the mounting pipe are moved to drive the limiting blocks to move towards the limiting rods, one ends of the limiting blocks extrude the limiting rods, the extrusion blocks compress and deform the first pressure springs, one ends of the limiting rods are inserted into the inner cavity of the limiting holes in a sliding mode, the fixed rods are fixed in a limiting mode, the movable pipe and the mounting pipe are fixedly connected, and the extrusion blocks and the limiting rods are pushed to return to the initial positions by the elastic action of the first pressure springs, so that the limiting of the fixed rods is relieved, and the movable pipe and the filter screen are convenient to detach and clean.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic side sectional view of the mounting tube of the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 at a.
Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure: 1. installing a pipe; 2. a fixed tube; 3. a filtering mechanism; 31. a movable tube; 32. a filter screen; 33. a mounting hole; 34. a fixed rod; 4. a limiting mechanism; 41. a sleeve; 42. a limit rod; 43. a limiting hole; 44. a first compression spring; 45. extruding a block; 46. a movable ring; 47. a limiting block; 48. a connecting rod; 49. a second compression spring; 410. and a fixed block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a filtering device of a gas chromatograph as shown in figures 1-4, which comprises a mounting tube 1, wherein the mounting tube 1 is used for mounting and connecting a movable tube 31, one end of the mounting tube 1 is fixedly connected with a fixed tube 2, the fixed tube is used for fixedly mounting the mounting tube 1 and the gas chromatograph, one end of the fixed tube 2 is fixedly connected with a flange, and one end of the fixed tube 2 is fixedly connected with the gas chromatograph, so that external gas is introduced into the chromatograph;
The other end of the installation tube 1 is provided with a filtering mechanism 3 for filtering impurities in the gas;
The filtering mechanism 3 comprises a movable pipe 31, the movable pipe 31 is used for installing a filter screen 32, the filter screen 32 is driven to be inserted and arranged in an inner cavity of the installation pipe 1, the filter screen 32 is fixedly connected to the inner wall of one end of the movable pipe 31, the filter screen 32 is used for filtering the introduced gas, impurities in the gas are remained on the inner wall of the filter screen 32, the filter screen 32 is slidably inserted and connected with the inner cavity of the installation pipe 1, a plurality of installation holes 33 are formed in one end of the movable pipe 31 at equal intervals in an annular array, the installation holes 33 are used for connecting a fixed rod 34, a plurality of fixed rods 34 are fixedly connected to the other end of the installation pipe 1, the fixed rod 34 is slidably inserted and connected with the inner cavity of the installation hole 33, and the movable pipe 31 is slidably inserted and connected with the installation pipe 1 by moving the movable pipe 31 to one end of the installation pipe 1;
A limiting mechanism 4 is arranged between the mounting tube 1 and the movable tube 31 and is used for stably connecting the mounting tube 1 and the movable tube 31;
The limiting mechanism 4 comprises a plurality of sleeves 41, the plurality of sleeves 41 are arranged at one end of the movable tube 31 in an annular array and are used for installing limiting rods 42, one end of each sleeve 41 is fixedly connected with the outer wall of one end of the movable tube 31, the limiting rods 42 are connected in the inner cavity of each sleeve 41 in a sliding penetrating manner, one end of each limiting rod 42 is arranged in a hemispherical shape, and the other end of each limiting rod 42 is connected with one end of the movable tube 31 in a sliding penetrating manner;
The middle part of the fixed rod 34 is provided with a limiting hole 43, along with the sliding insertion of the fixed rod 34 into the inner cavity of the mounting hole 33, the limiting hole 43 corresponds to the other end position of the limiting rod 42, one end of the limiting rod 42 is inserted into the inner cavity of the limiting hole 43 in a sliding manner, the fixed rod 34 is limited and fixed, the stable connection between the mounting tube 1 and the movable tube 31 is ensured, and the inner cavity of the limiting hole 43 is connected with one end of the limiting rod 42 in a sliding manner;
A first compression spring 44 is arranged in the inner cavity of the sleeve 41, the top end of the first compression spring 44 is attached to the lower surface of the extrusion block 45, the first compression spring 44 is movably sleeved with the other end of the limiting rod 42, the other end of the limiting rod 42 is fixedly connected with the extrusion block 45 in a penetrating way, the extrusion block 45 moves along with the limiting rod 42 and is used for compressing and deforming the first compression spring 44, and the extrusion block 45 and the limiting rod 42 are pushed upwards by utilizing the elastic action of the first compression spring 44;
The other end of the installation tube 1 is connected with a movable ring 46 in a sliding and penetrating manner, the movable ring 46 slides on the installation tube 1 and is used for installing limiting blocks 47, a plurality of limiting blocks 47 are fixedly connected to the outer wall of the movable ring 46, the limiting blocks 47 are arranged in an annular array at equal intervals and are arranged in an L shape, one end of each limiting block is inclined and is used for extruding one end of the limiting rod 42, the limiting rod 42 is limited and fixed, and the outer wall of each limiting block 47 is attached to one end of the limiting rod 42;
The back fixedly connected with connecting rod 48 of stopper 47, the one end fixedly connected with spacing ring of connecting rod 48, connecting rod 48 moves along with expansion ring 46 and stopper 47, the activity has cup jointed pressure spring two 49 on the connecting rod 48, along with expansion ring 46 slides on installation tube 1, drive stopper 47 to pressure spring two 49 extrusion deformation, and utilize the elastic action of pressure spring two 49, promote expansion ring 46 and stopper 47 to get back to initial position, the one end slip interlude of connecting rod 48 is connected with fixed block 410, the one end of fixed block 410 and the outer wall fixed connection of installation tube 1 for install connecting rod 48.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. A filtration device of a gas chromatograph, comprising:
The gas chromatograph comprises an installation pipe (1), wherein one end of the installation pipe (1) is fixedly connected with a fixed pipe (2) for fixedly installing the installation pipe (1) and the gas chromatograph;
The method is characterized in that: the other end of the mounting pipe (1) is provided with a filtering mechanism (3) for filtering impurities in the gas;
The filtering mechanism (3) comprises a movable pipe (31), wherein a filter screen (32) is fixedly connected to the inner wall of one end of the movable pipe (31), the filter screen (32) is connected with the inner cavity of the mounting pipe (1) in a sliding penetrating manner, a plurality of mounting holes (33) are formed in one end of the movable pipe (31) in an annular array at equal intervals, a plurality of fixing rods (34) are fixedly connected to the other end of the mounting pipe (1), and the fixing rods (34) are connected with the inner cavity of the mounting holes (33) in a sliding penetrating manner;
A limiting mechanism (4) is arranged between the mounting pipe (1) and the movable pipe (31) and used for stably connecting the mounting pipe (1) with the movable pipe (31).
2. The filtering device of the gas chromatograph according to claim 1, wherein the limiting mechanism (4) comprises a plurality of sleeves (41), one end of each sleeve (41) is fixedly connected with the outer wall of one end of the movable tube (31), and a limiting rod (42) is connected in the inner cavity of each sleeve (41) in a sliding penetrating way.
3. The filtering device of the gas chromatograph according to claim 2, wherein a limiting hole (43) is formed in the middle of the fixing rod (34), and an inner cavity of the limiting hole (43) is connected with one end of the limiting rod (42) in a sliding penetrating manner.
4. The filtering device of the gas chromatograph according to claim 2, wherein a first compression spring (44) is arranged in the inner cavity of the sleeve (41), the first compression spring (44) is movably sleeved with the other end of the limit rod (42), and the other end of the limit rod (42) is fixedly connected with an extrusion block (45) in a penetrating and inserting mode.
5. The filtering device of the gas chromatograph according to claim 2, wherein the other end of the mounting tube (1) is connected with a movable ring (46) in a sliding penetrating way, a plurality of limiting blocks (47) are fixedly connected to the outer wall of the movable ring (46), and the outer wall of the limiting blocks (47) is attached to one end of a limiting rod (42).
6. The filtering device of the gas chromatograph according to claim 5, wherein the back of the limiting block (47) is fixedly connected with a connecting rod (48), a compression spring II (49) is movably sleeved on the connecting rod (48), and one end of the connecting rod (48) is connected with a fixing block (410) in a sliding and penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858313.8U CN221199576U (en) | 2023-10-24 | 2023-10-24 | Filtering device of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858313.8U CN221199576U (en) | 2023-10-24 | 2023-10-24 | Filtering device of gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221199576U true CN221199576U (en) | 2024-06-21 |
Family
ID=91489422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322858313.8U Active CN221199576U (en) | 2023-10-24 | 2023-10-24 | Filtering device of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221199576U (en) |
-
2023
- 2023-10-24 CN CN202322858313.8U patent/CN221199576U/en active Active
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