CN215375259U - Gas chromatograph - Google Patents
Gas chromatograph Download PDFInfo
- Publication number
- CN215375259U CN215375259U CN202121674000.1U CN202121674000U CN215375259U CN 215375259 U CN215375259 U CN 215375259U CN 202121674000 U CN202121674000 U CN 202121674000U CN 215375259 U CN215375259 U CN 215375259U
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- filter cartridge
- side wall
- wall
- chromatograph
- chromatograph body
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a gas chromatograph, which comprises a chromatograph body, wherein a filter cylinder is fixedly arranged on the side wall of the front surface of the chromatograph body, an installation opening matched with the filter cylinder is formed in the left side wall of the chromatograph body, a plurality of sliding cavities are arranged on the inner wall of the installation opening in a ring array mode, a limiting plate is connected in each sliding cavity in a sliding mode, a spring is fixedly connected to one side of each limiting plate, the other end of each spring is fixedly connected to the inner wall of each sliding cavity, and a lug is fixedly connected to one side, away from the spring, of each limiting plate. According to the utility model, when the filter screen is installed, the filter cartridge is inserted into the installation port at the left end of the chromatograph body, when the clamping groove on the side wall of the filter cartridge corresponds to the lug, the lug is abutted into the clamping groove under the action of the spring, and the filter cartridge is fixed in the installation port, so that the filter cartridge is convenient and rapid, the filter cartridge can be recycled, and the cost is saved.
Description
Technical Field
The utility model relates to the technical field of chromatographs, in particular to a gas chromatograph.
Background
A chromatograph is an apparatus for performing chromatographic separation analysis. Comprises a sample introduction system, a detection system, a recording and data processing system, a temperature control system, a mobile phase control system and the like. Modern chromatographs have the characteristics of high stability, sensitivity, versatility, high degree of automation and the like. There are gas chromatography, liquid chromatography, gel chromatography, and the like. These chromatographs are widely used for analyzing a certain content of a chemical product or a polymer material, and gel chromatography can also measure the molecular weight and distribution of the polymer material.
In the prior art, in order to cool the gas chromatograph, a cooling device is generally connected to the gas chromatograph body to convey an external cold air flow into the gas chromatograph body, and the cold air flow is discharged from the gas chromatograph body through an air outlet after heat exchange between the cold air flow and the hot air flow. Most of the gas to be detected needs to be filtered and then enters the gas chromatograph for detection, and a filter is usually adopted in the prior art to achieve a filtering effect, for example, a disposable filter is adopted, but the disposable filter is high in consumption in use, cannot be reused, and the detection investment cost is increased.
In order to solve the above problems, the present invention proposes a gas chromatograph.
SUMMERY OF THE UTILITY MODEL
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a gas chromatograph, includes the chromatograph body, fixed mounting has the cartridge filter on the positive lateral wall of chromatograph body, set up on the left side wall of chromatograph body with cartridge filter assorted installing port, the inner wall of installing port is fitted with a contraceptive ring and is listed as and has seted up a plurality of smooth chambeies, every equal sliding connection has a limiting plate in the smooth chamber, every the equal fixedly connected with spring in one side of limiting plate, every the equal fixed connection of the other end of spring is on the inner wall of smooth chamber, every the limiting plate deviates from one side fixedly connected with lug of spring, every the other end of lug all runs through the inner wall of installing port and supports into in the cartridge filter, the ring is listed as and has seted up a plurality ofly and lug assorted draw-in groove on the lateral wall of cartridge filter, in the lug supports into the draw-in groove, this internal air draft mechanism that is provided with of chromatograph.
Preferably, the air draft mechanism comprises a sealing plate, the sealing plate is fixedly mounted on the inner wall of the chromatograph body and corresponds to the filter cartridge, a servo motor is fixedly mounted at the center of the side wall of the sealing plate, and an air draft blade is fixedly mounted at the output end of the servo motor.
Preferably, the air suction blade is right opposite to the filter screen, two air outlet pipes are symmetrically arranged on the side wall of the sealing plate, one end of each air outlet pipe penetrates through the side wall of the sealing plate and is communicated with the inside of the filter cylinder, and the other end of each air outlet pipe is fixedly arranged on the inner wall of the chromatograph body.
Preferably, a plurality of air outlets are formed in the side wall of the chromatograph body, and each air outlet is internally and fixedly provided with a dust screen.
Preferably, the filter cylinder is provided with anti-skid grains.
Compared with the prior art, the utility model has the beneficial effects that:
when the filter screen is installed, the filter cartridge is inserted into the installing port at the left end of the chromatograph body, when the clamping groove in the side wall of the filter cartridge corresponds to the lug, the lug is abutted into the clamping groove under the action of the spring, the filter cartridge is fixed in the installing port, convenience and rapidness are realized, the filter cartridge can be repeatedly used, and the cost is saved.
Drawings
Fig. 1 is a schematic perspective view of a gas chromatograph according to the present invention;
fig. 2 is a side sectional view of a gas chromatograph according to the present invention.
In the figure: 1 lug, 2 draw-in grooves, 3 closing plates, 4 outlet ducts, 5 springs, 6 cartridge filters, 7 filter screens, 8 induced draft blades, 9 limiting plates, 10 chromatograph bodies, 11 dust screens.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a gas chromatograph, including chromatograph body 10, fixed mounting has cartridge filter 6 on chromatograph body 10's the positive lateral wall, set up on chromatograph body 10's the left side wall with cartridge filter 6 assorted installing port, the inner wall of installing port is fitted with a contraceptive ring and is listed as and has been seted up a plurality of smooth chambeies, every equal sliding connection of smooth intracavity has limiting plate 9, the equal fixedly connected with spring 5 in one side of every limiting plate 9, the equal fixed connection of the other end of every spring 5 is on the inner wall in smooth chamber, every limiting plate 9 deviates from one side fixedly connected with lug 1 of spring 5, the other end of every lug 1 all runs through the inner wall of installing port and supports into cartridge filter 6 in, the ring is listed as and has been seted up a plurality of and lug 1 assorted draw-in groove 2 on cartridge filter 6's the lateral wall, lug 1 supports into in the draw-in groove 2, be provided with exhaust mechanism in the chromatograph body 10.
The air draft mechanism comprises a sealing plate 3, the sealing plate 3 is fixedly arranged on the inner wall of the chromatograph body 10, the sealing plate 3 corresponds to the filter cartridge 6, a servo motor is fixedly arranged at the center of the side wall of the sealing plate 3, an air draft blade 8 is fixedly arranged at the output end of the servo motor, and the servo motor drives the air draft blade 8 to rotate through the output end to suck external cold air;
wherein, the air suction blade 8 is right opposite to the filter screen 7, two air outlet pipes 4 are symmetrically arranged on the side wall of the sealing plate 3, one end of each air outlet pipe 4 penetrates through the side wall of the sealing plate 3 and is communicated with the inside of the filter cylinder 6, the other end of each air outlet pipe 4 is fixedly arranged on the inner wall of the chromatograph body 10, and cold air is filtered by the filter screen 7 and then is discharged into the chromatograph body 10 from the air outlet pipe 4;
the chromatograph body 10 is provided with a plurality of air outlets on the side wall, each air outlet is fixedly provided with a dust screen 11, and the air outlets are convenient for discharging heat;
the filter cartridge 6 is provided with anti-slip lines which can prevent slipping between hands and the filter cartridge 6, so that the filter cartridge 6 is convenient to mount and dismount;
in the utility model, when the filter screen 7 needs to be replaced after long-time use, the filter cartridge 6 is directly pulled outwards, and then the inner surface and the outer surface of the filter screen 7 are cleaned; when the filter screen 7 is installed, the filter cartridge 6 is inserted into the installation port at the left end of the chromatograph body 10, in the process, the convex block 1 is extruded by the filter cartridge 6 and is retracted into the sliding cavity, then, when the clamping groove 2 on the side wall of the filter cartridge 6 corresponds to the convex block 1, the convex block 1 is propped into the clamping groove 2 under the action of the spring 5, the filter cartridge 6 is fixed in the installation port, convenience and rapidness are realized, the filter cartridge 6 can be repeatedly used, and the cost is saved; open servo motor, servo motor drives through the output and induced drafts blade 8 and rotate, inhales external cold wind, discharges the chromatograph body 10 internals from outlet duct 4 after filter 7 filters again and dispels the heat in the chromatograph body 10, and the air that flows can take away the heat and discharge from the air outlet.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The gas chromatograph comprises a chromatograph body (10) and is characterized in that a filter cartridge (6) is fixedly mounted on the front side wall of the chromatograph body (10), a mounting port matched with the filter cartridge (6) is formed in the left side wall of the chromatograph body (10), a plurality of sliding cavities are formed in the inner wall of the mounting port in a ring array mode, a limiting plate (9) is connected in each sliding cavity in a sliding mode, a spring (5) is fixedly connected to one side of each limiting plate (9), the other end of each spring (5) is fixedly connected to the inner wall of each sliding cavity, a bump (1) is fixedly connected to one side of each limiting plate (9) far away from the spring (5), the other end of each bump (1) penetrates through the inner wall of the mounting port and abuts against the filter cartridge (6), a plurality of clamping grooves (2) matched with the bumps (1) are formed in the ring array on the side wall of the filter cartridge (6), the lug (1) is abutted into the clamping groove (2), and an air draft mechanism is arranged in the chromatograph body (10).
2. The gas chromatograph according to claim 1, wherein the air draft mechanism comprises a sealing plate (3), the sealing plate (3) is fixedly installed on the inner wall of the chromatograph body (10), the sealing plate (3) corresponds to the filter cartridge (6), a servo motor is fixedly installed at the center of the side wall of the sealing plate (3), and an air draft blade (8) is fixedly installed at the output end of the servo motor.
3. The gas chromatograph according to claim 2, wherein the suction blades (8) are opposite to the filter screen (7), two air outlet pipes (4) are symmetrically arranged on the side wall of the sealing plate (3), one end of each air outlet pipe (4) penetrates through the side wall of the sealing plate (3) to be communicated with the inside of the filter cartridge (6), and the other end of each air outlet pipe (4) is fixedly arranged on the inner wall of the chromatograph body (10).
4. The gas chromatograph according to claim 1, wherein a plurality of air outlets are formed in a side wall of the chromatograph body (10), and a dust screen (11) is fixedly mounted in each air outlet.
5. A gas chromatograph according to claim 1, characterized in that said filter cartridge (6) is provided with anti-slip threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121674000.1U CN215375259U (en) | 2021-07-22 | 2021-07-22 | Gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121674000.1U CN215375259U (en) | 2021-07-22 | 2021-07-22 | Gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215375259U true CN215375259U (en) | 2021-12-31 |
Family
ID=79610861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121674000.1U Active CN215375259U (en) | 2021-07-22 | 2021-07-22 | Gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215375259U (en) |
-
2021
- 2021-07-22 CN CN202121674000.1U patent/CN215375259U/en active Active
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