CN206523520U - A kind of gas driven injection device - Google Patents
A kind of gas driven injection device Download PDFInfo
- Publication number
- CN206523520U CN206523520U CN201720229516.2U CN201720229516U CN206523520U CN 206523520 U CN206523520 U CN 206523520U CN 201720229516 U CN201720229516 U CN 201720229516U CN 206523520 U CN206523520 U CN 206523520U
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- China
- Prior art keywords
- pipe
- injection
- injection tube
- tube
- air inlet
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- 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
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Abstract
The utility model is related to sample introduction equipment technical field, more particularly to a kind of gas driven injection device, and the inner chamber of injection tube is provided with injection core；The outer surface of injection tube is provided with rack；The rotating shaft end of motor is provided with the gear being meshed with rack；The end of alignment pin sequentially passes through the inside that injection tube is stretched into after nut, annulus；Flexible pipe one end is connected with upper plenum；Air inlet pipe and escape pipe are connected with the flexible pipe other end；The position that escape pipe connects with straight tube is at the air outlet of necking mouth.When using the utility model, pass through gear drive；Realization is moved up and down to injection tube, utilize the principle of Venturi tube, the bottom cavity of injection tube is set to extract liquid or gas, air compressor directly carries out addition compressed air to upper plenum, make liquid or gas discharge at the bottom cavity of injection tube, the injector realizes sample introduction automation, and being capable of quantitative sample injection.The utility model has simple in construction, and it is reasonable to set, the advantages of low manufacture cost.
Description
Technical field
The utility model is related to sample introduction equipment technical field, more particularly to a kind of gas driven injection device.
Background technology
The conventional liquid phase in current laboratory, gas phase are applied to otherwise injector and generally required and manually quantify body
Product, it is not only time-consuming longer, while in the presence of certain error, less efficient especially in multiple sample introduction, sample introduction poor repeatability,
Realize that automaticity is not high.
Therefore be necessary to carry out further technological innovation to existing gas driven injection device.
Utility model content
The purpose of this utility model is that defect and deficiency for prior art, there is provided one kind is simple in construction, is designed and closed
Reason, gas driven injection device easy to use.
To achieve the above object, the technical solution adopted in the utility model is：
A kind of gas driven injection device described in the utility model, it includes injection tube, injection core, alignment pin, flexible pipe, air inlet
Pipe, air inlet electromagnetic valve, escape pipe, outlet magnetic valve, three-way pipe and fixed seat；The bottom of the injection tube is communicated with sample feeding pipe；
The inner chamber of the injection tube is provided with injection core；The side surface of the injection core is provided with scrobicular ring；Note is provided with the scrobicular ring
Core shooting sealing ring；The outer surface of the injection tube is provided with rack；Motor is provided with the fixed seat；Turn of the motor
Shaft end is provided with the gear being meshed with rack；The outer wall of the injection tube is provided with sliding block；It is provided with and leads in the fixed seat
Rail；In the sliding block insertion guide rail；The inner cavity top of the injection tube is provided with annulus；The top surface of the injection tube is provided with
Nut；The axle body of the alignment pin is from top to bottom disposed with external screw thread and pin rod scrobicular ring；It is provided with the pin rod scrobicular ring
Pin sealing ring；The external screw thread is mutually threadedly coupled with nut；The end of alignment pin, which is sequentially passed through, stretches into injection after nut, annulus
The inside of cylinder；The apex cavity of the injection tube is upper plenum；Flexible pipe one end is connected with upper plenum；The air inlet pipe and outlet
The Guan Junyu flexible pipe other ends are connected；The inlet end of the air inlet pipe and the outlet side of air inlet electromagnetic valve are connected；The outlet
The inlet end of pipe is connected with flexible pipe；The fixed seat is provided with air compressor；The outlet side of the air compressor and three
The first port of siphunculus is connected；The second port of three-way pipe and the inlet end of air inlet electromagnetic valve are connected；The 3rd of three-way pipe
Port is connected to the inlet end of outlet magnetic valve；The outlet side of outlet magnetic valve is connected on straight tube one end；The straight tube it is interior
Chamber is provided with necking mouth；The escape pipe other end is connected with straight tube；The position that escape pipe connects with straight tube is in necking mouth
At air outlet.
Further, the outlet side of the straight tube is provided with silencing apparatus.
After said structure, the utility model has the beneficial effect that：A kind of gas driven injection device described in the utility model, it
Include injection tube, injection core, alignment pin, flexible pipe, air inlet pipe, air inlet electromagnetic valve, escape pipe, outlet magnetic valve, three-way pipe and
Fixed seat；The bottom of the injection tube is communicated with sample feeding pipe；The inner chamber of the injection tube is provided with injection core；The injection core
Side surface is provided with scrobicular ring；Injection core sealing ring is provided with the scrobicular ring；The outer surface of the injection tube is provided with rack；
Motor is provided with the fixed seat；The rotating shaft end of the motor is provided with the gear being meshed with rack；The injection tube
Outer wall is provided with sliding block；Guide rail is provided with the fixed seat；In the sliding block insertion guide rail；The inner cavity top of the injection tube
It is provided with annulus；The top surface of the injection tube is provided with nut；The axle body of the alignment pin is from top to bottom disposed with outer
Screw thread and pin rod scrobicular ring；Pin sealing ring is provided with the pin rod scrobicular ring；The external screw thread is mutually threadedly coupled with nut；Positioning
The end of pin sequentially passes through the inside that injection tube is stretched into after nut, annulus；The apex cavity of the injection tube is upper plenum；Flexible pipe
One end is connected with upper plenum；The air inlet pipe and escape pipe are connected with the flexible pipe other end；The inlet end of the air inlet pipe
It is connected with the outlet side of air inlet electromagnetic valve；The inlet end of the escape pipe is connected with flexible pipe；The fixed seat is provided with sky
Air compressor；The outlet side of the air compressor and the first port of three-way pipe are connected；The second port of three-way pipe is with entering
The inlet end of pneumoelectric magnet valve is connected；3rd port of three-way pipe is connected to the inlet end of outlet magnetic valve；Outlet magnetic valve
Outlet side is connected on straight tube one end；The inner chamber of the straight tube is provided with necking mouth；The escape pipe other end is connected with straight tube
It is logical；The position that escape pipe connects with straight tube is at the air outlet of necking mouth.When using the utility model, passed by gear
It is dynamic；Realization is moved up and down to injection tube, is closed by air inlet electromagnetic valve, and outlet magnetic valve is connected, using the principle of Venturi tube,
Make escape pipe formation negative pressure, upper plenum is evacuated, the bottom cavity of injection tube is extracted liquid or gas, when entering pneumoelectric
Magnet valve is connected, outlet closed electromagnetic valve, and air compressor directly carries out addition compressed air to upper plenum, makes the bottom of injection tube
Liquid or gas discharge at cavity, the injector realize sample introduction automation, effectively improve sample introduction efficiency, and can quantify
Sample introduction, improves the accuracy of sample size.The utility model has simple in construction, and it is reasonable to set, the advantages of low manufacture cost.
Brief description of the drawings
Fig. 1 is structural front view of the present utility model；
Fig. 2 is structure top view of the present utility model；
Description of reference numerals：
1st, injection tube；1-1, sample feeding pipe；1-2, annulus；1-3, nut；1-4, rack；
1-5, sliding block；1-6, upper plenum；2nd, core is injected；2-1, scrobicular ring；3rd, core sealing ring is injected；
4th, pin sealing ring；5th, alignment pin；5-1, external screw thread；5-2, pin rod scrobicular ring；6th, flexible pipe；
7th, air inlet pipe；8th, air inlet electromagnetic valve；9th, escape pipe；10th, silencing apparatus；11st, straight tube；
11-1, necking mouth；12nd, outlet magnetic valve；13rd, three-way pipe；14th, air compressor；
15th, gear；16th, fixed seat；16-1, guide rail；17th, motor.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Fig. 1 to 2, a kind of gas driven injection device described in the utility model, it include injection tube 1, injection core 2,
Alignment pin 5, flexible pipe 6, air inlet pipe 7, air inlet electromagnetic valve 8, escape pipe 9, outlet magnetic valve 12, three-way pipe 13 and fixed seat 16；Institute
The bottom for stating injection tube 1 is communicated with sample feeding pipe 1-1；The inner chamber of the injection tube 1 is provided with injection core 2；The side of the injection core 2
Surface is provided with scrobicular ring 2-1；Injection core sealing ring 3 is provided with the scrobicular ring 2-1；Injection tube 1 is separated by injecting core 2
Lower two cavitys；The outer surface of the injection tube 1 is provided with rack 1-4；Axial direction sides of the rack 1-4 along injection tube 1
To setting；Motor 17 is provided with the fixed seat 16；The rotating shaft end of the motor 17 is provided with the tooth being meshed with rack 1-4
Wheel 15；It is driven by gear 15；Injection tube 1 is set to move up and down, sample feeding pipe 1-1 can be stretched into sample cell, when sampling completion,
Sample feeding pipe 1-1 is stretched out outside sample cell；The outer wall of the injection tube 1 is provided with sliding block 1-5；Guide rail is provided with the fixed seat 16
16-1；Guide rail 16-1 direction extends from top to bottom；In the sliding block 1-5 insertion guide rails 16-1；The inner chamber top of the injection tube 1
Portion is provided with annulus 1-2；The top surface of the injection tube 1 is provided with nut 1-3；The axle body of the alignment pin 5 from top to bottom according to
It is secondary to be provided with external screw thread 5-1 and pin rod scrobicular ring 5-2；Pin sealing ring 4 is provided with the pin rod scrobicular ring 5-2；The external screw thread
5-1 is threadedly coupled with nut 1-3 phases；The interior of injection tube 1 is stretched into the end of alignment pin 5 after sequentially passing through nut 1-3, annulus 1-2
Portion；By regulates alignment pin 5 toward downwardly extending depth, the rising maximum height of injection core 2 is adjusted；The top of the injection tube 1
Portion's cavity is upper plenum 1-6；The one end of flexible pipe 6 is connected with upper plenum 1-6；The air inlet pipe 7 and escape pipe 9 are another with flexible pipe 6
One end is connected；The outlet side of the inlet end and air inlet electromagnetic valve 8 of the air inlet pipe 7 is connected；The inlet end of the escape pipe 9
It is connected with flexible pipe 6；The fixed seat 16 is provided with air compressor 14；The outlet side of the air compressor 14 and three-way pipe
13 first port is connected；The second port of three-way pipe 13 and the inlet end of air inlet electromagnetic valve 8 are connected；The of three-way pipe 13
Three ports are connected to the inlet end of outlet magnetic valve 12；The outlet side of outlet magnetic valve 12 is connected on the one end of straight tube 11；It is described
The inner chamber of straight tube 11 is provided with necking mouth 11-1；The other end of escape pipe 9 is connected with straight tube 11；Escape pipe 9 and straight tube 11
The position connected is at necking mouth 11-1 air outlet；Air inlet electromagnetic valve 8 is closed, and outlet magnetic valve 12 is connected, and utilizes literary mound
In pipe principle, make escape pipe 9 formation negative pressure, upper plenum 1-6 is evacuated, enables the bottom cavity extract of injection tube 1
Body or gas, when air inlet electromagnetic valve 8 is connected, outlet magnetic valve 12 is closed, and air compressor 14 is directly added to upper plenum 1-6
Enter compressed air, make liquid or gas discharge at the bottom cavity of injection tube 1.
As a kind of preferred embodiment of the present utility model, the outlet side of the straight tube 11 is provided with silencing apparatus 10, due to
The noise produced after air strenuous vibration caused by after necking mouth 11-1 is general than larger, so installing silencing apparatus 10.
When using the utility model, pass through gear drive；Realization is moved up and down to injection tube, is closed by air inlet electromagnetic valve
Close, outlet magnetic valve is connected, using the principle of Venturi tube, make escape pipe formation negative pressure, upper plenum is evacuated, makes injection
The bottom cavity of cylinder can extract liquid or gas, and when air inlet electromagnetic valve is connected, outlet closed electromagnetic valve, air compressor is directly right
Upper plenum carries out addition compressed air, makes liquid or gas discharge at the bottom cavity of injection tube, and the injector realizes sample introduction
Automation, effectively improves sample introduction efficiency, and can quantitative sample injection, improve the accuracy of sample size.In addition, the structure is simple
Single, reasonable in design, manufacturing cost is low.
Described above is only better embodiment of the present utility model, therefore all according to described in the utility model patent claim
The equivalent change or modification done of construction, feature and principle, be included in the utility model patent claim.
Claims (2)
1. a kind of gas driven injection device, it includes injection tube（1）With injection core（2）；The injection tube（1）Bottom be communicated with into
Sample pipe（1-1）；The injection tube（1）Inner chamber be provided with injection core（2）；The injection core（2）Side surface be provided with scrobicular ring
（2-1）；The scrobicular ring（2-1）Inside it is provided with injection core sealing ring（3）；It is characterized in that：It also includes alignment pin（5）, it is soft
Pipe（6）, air inlet pipe（7）, air inlet electromagnetic valve（8）, escape pipe（9）, outlet magnetic valve（12）, three-way pipe（13）And fixed seat
（16）；The injection tube（1）Outer surface be provided with rack（1-4）；The fixed seat（16）On be provided with motor（17）；Institute
State motor（17）Rotating shaft end be provided with and rack（1-4）The gear being meshed（15）；The injection tube（1）Outer wall be provided with
Sliding block（1-5）；The fixed seat（16）On be provided with guide rail（16-1）；The sliding block（1-5）Insert guide rail（16-1）It is interior；It is described
Injection tube（1）Inner cavity top be provided with annulus（1-2）；The injection tube（1）Top surface be provided with nut（1-3）；It is described
Alignment pin（5）Axle body be from top to bottom disposed with external screw thread（5-1）With pin rod scrobicular ring（5-2）；The pin rod scrobicular ring（5-2）
Inside it is provided with pin sealing ring（4）；The external screw thread（5-1）With nut（1-3）Mutually it is threadedly coupled；Alignment pin（5）End according to
It is secondary to pass through nut（1-3）, annulus（1-2）After stretch into injection tube（1）Inside；
The injection tube（1）Apex cavity be upper plenum（1-6）；Flexible pipe（6）One end and upper plenum（1-6）It is connected；It is described
Air inlet pipe（7）And escape pipe（9）And flexible pipe（6）The other end is connected；The air inlet pipe（7）Inlet end and air inlet electromagnetic valve
（8）Outlet side be connected；The escape pipe（9）Inlet end and flexible pipe（6）It is connected；The fixed seat（16）Provided with sky
Air compressor（14）；The air compressor（14）Outlet side and three-way pipe（13）First port be connected；Three-way pipe
（13）Second port and air inlet electromagnetic valve（8）Inlet end be connected；Three-way pipe（13）The 3rd port be connected to out pneumoelectric
Magnet valve（12）Inlet end；Outlet magnetic valve（12）Outlet side be connected to straight tube（11）On one end；The straight tube（11）It is interior
Chamber is provided with necking mouth（11-1）；The escape pipe（9）The other end and straight tube（11）It is connected；Escape pipe（9）With straight tube（11）
The position connected is in necking mouth（11-1）Air outlet at.
2. a kind of gas driven injection device according to claim 1, it is characterised in that：The straight tube（11）Outlet side be provided with
Silencing apparatus（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229516.2U CN206523520U (en) | 2017-03-10 | 2017-03-10 | A kind of gas driven injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229516.2U CN206523520U (en) | 2017-03-10 | 2017-03-10 | A kind of gas driven injection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206523520U true CN206523520U (en) | 2017-09-26 |
Family
ID=59903405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720229516.2U Expired - Fee Related CN206523520U (en) | 2017-03-10 | 2017-03-10 | A kind of gas driven injection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206523520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677520A (en) * | 2017-11-21 | 2018-02-09 | 中国石油大学(北京) | A kind of natural gas sample collecting apparatus and acquisition method |
-
2017
- 2017-03-10 CN CN201720229516.2U patent/CN206523520U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677520A (en) * | 2017-11-21 | 2018-02-09 | 中国石油大学(北京) | A kind of natural gas sample collecting apparatus and acquisition method |
| CN107677520B (en) * | 2017-11-21 | 2023-10-20 | 中国石油大学(北京) | Natural gas sample collection device and collection method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 Termination date: 20200310 |