CN208206887U - A kind of gas chromatograph back pullout (BPO) component - Google Patents
A kind of gas chromatograph back pullout (BPO) component Download PDFInfo
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- CN208206887U CN208206887U CN201820546935.3U CN201820546935U CN208206887U CN 208206887 U CN208206887 U CN 208206887U CN 201820546935 U CN201820546935 U CN 201820546935U CN 208206887 U CN208206887 U CN 208206887U
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- bpo
- back pullout
- rotating folding
- gas chromatograph
- folding mechanism
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Abstract
The utility model discloses a kind of gas chromatograph back pullout (BPO) component, and back pullout (BPO) component includes motor and rotating folding mechanism, and motor drives rotating folding organisation operations, to control back pullout (BPO) ventilation area；Rotating folding mechanism includes main stand, turntable and several hole pieces.The motor sends instruction and the gear on rotating folding mechanism turntable is driven to rotate, and then adjusts the switch of a hole piece, convenient for the ventilation area in control accurate entry/exit air port, to meet the fast cooling of experiment；It is equipped with temperature sensor in the lower section of the main stand, convenient for temperature value in the current post case of real-time monitoring, so that operator is understood column the temperature inside the box in real time, and the experiment progress that followed up at any time according to temperature value；Air Filter is equipped among gas chromatograph entry/exit air port and rotating folding mechanism simultaneously, prevents inclusion particles in air from entering in post case by entry/exit air port, to reduce experimental error, increases the monitoring accuracy of chromatography.
Description
Technical field
The utility model relates to gas chromatographs, especially with the gas chromatograph of temperature programming post case.
Background technique
Currently, gas chromatograph post case is used to provide a high-precision temperature environment for chromatographic column, so that energy is ideal
The analyzed mixture of separation.General post case setting rear portion air inlet hole and rear portion exhaust vent, rear portion air inlet hole and rear portion exhaust vent
Upper setting back pullout (BPO) component, for controlling column the temperature inside the box, in actual operation by the switch in manual control entry/exit air port, or
Person still cannot intelligently adjust the ventilation area in entry/exit air port using some automatic switch.
If Chinese patent (CN2015206384560) discloses a kind of gas chromatograph back pullout (BPO) component, which includes
Two back pullout (BPO) plates, support the shaft of back pullout (BPO) plate, and shaft is arranged in the motor and electric machine support of drive shaft rotation in shaft
Position instruction bar, be arranged on electric machine support two detection indicating arm positions close to switch, be vortex type proximity close to switch
Switch.But eddy current type switch contact capacity is small, and when output short-circuit easily burns.And in the prior art back pullout (BPO) component only have standard-sized sheet or
The function of closing entirely cannot automatically adjust the ventilation area in entry/exit air port according to actual needs, and flexibility is poor and structure is multiple
Miscellaneous long service life.
Summary of the invention
The purpose of this utility model is that in view of the problems of the existing technology, inlet/outlet air can be automatically adjusted by providing one kind
The chromatography back pullout (BPO) component for the ventilation area gas that mouth opens, and structure is simple.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of gas chromatograph back pullout (BPO) component, including motor and rotating folding mechanism；The motor drives rotating folding
Organisation operations, to control back pullout (BPO) ventilation area；The rotating folding mechanism include main stand, turntable and several
Hole piece.The rounded disk-like structure of turntable, top be equipped with regular polygon groove, the regular polygon groove center with described turn
The disk center of circle is overlapped, and is equipped with gear at the edge of the turntable；Described hole piece lower surface is equipped with and adapts to regular polygon groove
Protrusion, the protrusion are slidably connected with the regular polygon groove, and described hole piece and regular polygon groove correspond
Setting, several hole pieces are centrosymmetric distribution, and described hole piece upper surface is equipped with guidance pin, and the main stand, which is equipped with, to be adapted to
The guiding groove of the guidance pin；The main stand is socketed on the turntable, when turntable rotation, opens the convex of hole piece lower surface
It rises and correspond to regular polygon groove on turntable respectively and slides on one side, to drive the guidance pin of a hole on piece on main stand
It is moved in guiding groove, described hole piece realizes folding in the case where the regular polygon groove and the guiding groove cooperate jointly.It is described
Back pullout (BPO) component can be according to entry/exit air port demand, the ventilation area in control accurate entry/exit air port, flexibility it is good and
Structure is simple, realizes fast cooling.
Further, the motor is fixed in the rotating folding mechanism and the motor is servo motor.The electricity
Machine is by driving the gear on the turntable to provide power for rotating folding mechanism；Serve Motor Control speed, position precision are non-
Driving wheel band that is often accurate, voltage signal being converted to torque and revolving speed with drive control object, on the servo motor
Gear rotation on turn disk.
Further, described hole piece is made of stainless steel metal, due to hole piece and post case interior contact, in an experiment
It is high according to demand column the temperature inside the box of realization；It is resistant to high temperatures using stainless steel metal material, it is anti-oxidant, conducive to making for back pullout (BPO) component
Use the service life.
Further, the lower section of the main stand is equipped with temperature sensor, is convenient for the current column the temperature inside the box of real-time monitoring
Value, makes operator understand column the temperature inside the box in real time, and the experiment progress that followed up at any time according to temperature value；Meanwhile the temperature passes
When sensor senses the arrival certain value of the temperature in post case, motor, the folding of motor control hole piece, to adjust are sent instructions to
The circulation area of whole entry/exit port.
Further, Air Filter is equipped in the centre of entry/exit port and rotating folding mechanism.For preventing impurity in air
Particle enters post case, to reduce experimental error, increases the monitoring accuracy of chromatography, the Air Filter is by alkali-free glass wool cloth material
Be made, and between entry/exit air port be it is detachable link, be conveniently replaceable or clean.
Compared with prior art, the utility model has the beneficial effects that (1) motor drives rotating folding according to experiment demand
The gear of mechanism top rotary table rotates, and then adjusts the folding of a hole piece, and the ventilation area in control accurate entry/exit air port reaches
To reasonable cooling；(2) it is resistant to high temperatures using stainless steel metal material to open hole piece, it is anti-oxidant, increase the service life of back pullout (BPO) component；
(3) current column the temperature inside the box can be monitored in real time in the temperature sensor being arranged below main stand, can be with according to temperature value
When follow up experiment progress；(4) it is equipped with Air Filter in entry/exit air port and the centre of back pullout (BPO) component, for preventing impurity in air
Particle enters post case, reduces experimental error, increases the monitoring accuracy of chromatography, and be detachable between Air Filter and entry/exit air port
Formula link, convenient for the replacement or cleaning of Air Filter.
Detailed description of the invention
Fig. 1 is the utility model overall structure side view schematic diagram；
Fig. 2 is the utility model back pullout (BPO) modular construction top view illustration；
Fig. 3 is the utility model rotating folding mechanism turntable top view illustration；
Fig. 4 is a hole piece top view illustration in the utility model rotating folding mechanism；
Fig. 5 is a hole piece side view schematic diagram in the utility model rotating folding mechanism；
Fig. 6 is main stand top view illustration in the utility model rotating folding mechanism.
In figure: 1, entry/exit air port, 2, rotating folding mechanism, 201, main stand, 2011, guiding groove, 202, turntable,
2021, groove, 2022, gear, 203, hole piece, 2031, guidance pin, 2032, protrusion, 3, motor, 4, Air Filter, 5, temperature biography
Sensor.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is clearly and completely retouched
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art under the conditions of not making creative work it is obtained it is all its
Its embodiment, fall within the protection scope of the utility model.
If Fig. 1 is overall structure side view, a kind of gas chromatograph back pullout (BPO) component, it is tight which passes through bolt
Firmware is fixed at the entry/exit air port 1 of gas chromatograph post case.
Back pullout (BPO) component as described in Figure 2 includes motor 3 and rotating folding mechanism 2；The motor 3 is bolted on institute
It states in rotating folding mechanism 2；The motor 3 drives rotating folding mechanism 2 to operate, to control back pullout (BPO) ventilation area；
The rotating folding mechanism 2 includes main stand 201, turntable 202 and several hole pieces 203.Such as Fig. 3, the turntable 202 is in circle
Shape disk-like structure, top are equipped with regular polygon groove 2021, the portion between the turntable 202 and the regular polygon groove 2021
It is divided into hollow structure, 2021 center of regular polygon groove is overlapped with 202 center of circle of turntable, on the side of the turntable 202
Edge is equipped with gear 2022；Such as Fig. 4, such as Fig. 5, described 203 lower surface of hole piece, which is equipped with, adapts to the convex of regular polygon groove 2021
Rise 2032, described raised 2032 be slidably connected in the regular polygon groove 2021, and described hole piece 203 and regular polygon
Groove 2021 is arranged in a one-to-one correspondence, several hole pieces 203 are centrosymmetric distribution, and described 203 upper surface of hole piece is equipped with guidance
Pin 2031；Such as Fig. 6, the main stand 201 is equipped with the guiding groove 2011 for being adapted to the guidance pin 2031；The main stand
201 are socketed on the turntable 202, and when turntable 202 rotates, the protrusion 2032 of 203 lower surface of hole piece is respectively in turntable 202
Upper corresponding regular polygon groove 2021 slides on one side, to drive the guidance pin 2031 on a hole piece 203 201 on main stand
Guiding groove 2011 in move, described hole piece 203 is matched jointly in the regular polygon groove 2021 and the guiding groove 2011
Lower realize is closed to open and close.The back pullout (BPO) component can be according to 1 demand of entry/exit air port, the air stream in control accurate entry/exit air port
Logical area, flexibility is good and structure is simple, realizes fast cooling.
The motor 3 is servo motor.Driving wheel on the motor 3 is by driving the gear on the turntable 202
2022 provide power for rotating folding mechanism 2；The control of servo motor 3 speed, position precision are very accurate, can be by voltage signal
Torque and revolving speed are converted into drive control object, the driving wheel on the servo motor 3 drives the gear 2022 on turntable 202
Rotation, and then the opening of a hole piece 203 is adjusted, it realizes the ventilation area in control accurate entry/exit air port 1, reaches reasonable drop
Temperature.
Described hole piece 203 is made of stainless steel metal, due to hole piece 203 and post case interior contact, uses stainless steel
Metal material is resistant to high temperatures, anti-oxidant, increases the service life of back pullout (BPO) component.
The lower section of the main stand 201 is equipped with temperature sensor 5, convenient for temperature value in the current post case of real-time monitoring, makes
Operator understands column the temperature inside the box in real time, and the experiment progress that followed up at any time according to temperature value；Meanwhile the temperature sensor 5
When sensing the temperature arrival certain value in post case, motor 3 is sent instructions to, the folding of hole piece 203 is opened in the control of motor 3, thus
Adjust the circulation area of entry/exit port.
Air Filter 4 is equipped in the centre of entry/exit port 1 and rotating folding mechanism 2.For prevent in air impurity particle into
Entering post case, to reduce experimental error, increases the monitoring accuracy of chromatography, the Air Filter 4 is made of alkali-free glass wool cloth material,
And between Air Filter 4 and entry/exit air port 1 be it is detachable link, convenient for the replacement or cleaning of Air Filter.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of gas chromatograph back pullout (BPO) component, which is characterized in that back pullout (BPO) component includes motor and rotating folding mechanism；Institute
It states motor and drives rotating folding organisation operations, to control back pullout (BPO) ventilation area；The rotating folding mechanism includes master
Body rack, turntable and hole piece；The rounded disk-like structure of turntable, top are equipped with regular polygon groove, the regular polygon
Groove center is overlapped with the turntable center of circle；Described hole piece lower surface is equipped with the protrusion for adapting to the regular polygon groove,
The protrusion is slidably connected in the regular polygon groove, and described hole piece is arranged in a one-to-one correspondence with regular polygon groove,
Described hole on piece is equipped with guidance pin, and the main stand is equipped with the guiding groove for being adapted to the guidance pin.
2. a kind of gas chromatograph back pullout (BPO) component according to claim 1, which is characterized in that the motor is fixed on institute
It states in rotating folding mechanism, the motor is by driving the gear on the turntable to provide power for rotating folding mechanism.
3. a kind of gas chromatograph back pullout (BPO) component according to claim 1, which is characterized in that the motor is servo electricity
Machine.
4. a kind of gas chromatograph back pullout (BPO) component according to claim 1, which is characterized in that described hole piece is by stainless
Steel material is made.
5. a kind of gas chromatograph back pullout (BPO) component according to claim 1, which is characterized in that below the main stand
Equipped with temperature sensor.
6. a kind of gas chromatograph back pullout (BPO) component according to claim 1, which is characterized in that in entry/exit port and institute
The centre for stating rotating folding mechanism is equipped with Air Filter.
7. a kind of gas chromatograph back pullout (BPO) component according to claim 6, which is characterized in that the Air Filter is by alkali-free
Glass wool cloth material is made, and is detachably to link between the Air Filter and import/export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820546935.3U CN208206887U (en) | 2018-04-17 | 2018-04-17 | A kind of gas chromatograph back pullout (BPO) component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820546935.3U CN208206887U (en) | 2018-04-17 | 2018-04-17 | A kind of gas chromatograph back pullout (BPO) component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208206887U true CN208206887U (en) | 2018-12-07 |
Family
ID=64523373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820546935.3U Active CN208206887U (en) | 2018-04-17 | 2018-04-17 | A kind of gas chromatograph back pullout (BPO) component |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505643A (en) * | 2018-12-29 | 2019-03-22 | 华晋焦煤有限责任公司 | A kind of intelligence wind tube wind quantity regulating device |
| CN109513276A (en) * | 2019-01-10 | 2019-03-26 | 周化庆 | Hand held air clarifier |
| CN109646091A (en) * | 2019-01-21 | 2019-04-19 | 北京理工大学 | For fixing the device of puncture needle |
| CN110306440A (en) * | 2019-07-12 | 2019-10-08 | 江苏苏邑设计集团有限公司 | A kind of municipal construction gets design ready with road and bridge |
| CN111929385A (en) * | 2020-08-04 | 2020-11-13 | 广州恒仓检测技术有限公司 | Gas chromatography-mass spectrometer |
| WO2021012626A1 (en) * | 2019-07-23 | 2021-01-28 | 深圳市西啡科技有限公司 | Material dropping mechanism, material storage device, and vending machine |
| CN113996181A (en) * | 2021-11-29 | 2022-02-01 | 中量大黄山高质量发展研究院有限公司 | Filter and enrichment equipment |
-
2018
- 2018-04-17 CN CN201820546935.3U patent/CN208206887U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505643A (en) * | 2018-12-29 | 2019-03-22 | 华晋焦煤有限责任公司 | A kind of intelligence wind tube wind quantity regulating device |
| CN109513276A (en) * | 2019-01-10 | 2019-03-26 | 周化庆 | Hand held air clarifier |
| CN109646091A (en) * | 2019-01-21 | 2019-04-19 | 北京理工大学 | For fixing the device of puncture needle |
| CN110306440A (en) * | 2019-07-12 | 2019-10-08 | 江苏苏邑设计集团有限公司 | A kind of municipal construction gets design ready with road and bridge |
| WO2021012626A1 (en) * | 2019-07-23 | 2021-01-28 | 深圳市西啡科技有限公司 | Material dropping mechanism, material storage device, and vending machine |
| CN111929385A (en) * | 2020-08-04 | 2020-11-13 | 广州恒仓检测技术有限公司 | Gas chromatography-mass spectrometer |
| CN113996181A (en) * | 2021-11-29 | 2022-02-01 | 中量大黄山高质量发展研究院有限公司 | Filter and enrichment equipment |
| CN113996181B (en) * | 2021-11-29 | 2024-02-27 | 中量大黄山高质量发展研究院有限公司 | Filter and enrichment device |
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