CN210775359U - Automatic sample introduction device of gas chromatograph - Google Patents
Automatic sample introduction device of gas chromatograph Download PDFInfo
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- CN210775359U CN210775359U CN202020016051.4U CN202020016051U CN210775359U CN 210775359 U CN210775359 U CN 210775359U CN 202020016051 U CN202020016051 U CN 202020016051U CN 210775359 U CN210775359 U CN 210775359U
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- gas chromatograph
- driving motor
- sample
- push rod
- frame
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Abstract
The utility model discloses an automatic sample feeding device of a gas chromatograph, which is used for installing a conveyor belt through a transmission device shell, so that the conveyor belt can send a sample vessel into the gas chromatograph body, the sample vessel is used for plugging a discharging pipe through a plug board, a sample can flow out from the through hole after the plug board slides, power is provided for the rotation of a turntable through a driving motor, one end of a push rod can be driven to move when the turntable rotates through the connection of a threaded hole, a bolt, a rotating seat and the push rod, the other end of the push rod can drive the push plate to move through the connection of the push rod and the push plate, the plug board can be driven to move rightwards when the turntable rotates for one circle, so that the through hole enters the discharging pipe for one-time discharging, the device has high automation degree, accurate sample feeding amount, and reduces the workload of workers when the detection result is, brings convenience to the working personnel.
Description
Technical Field
The utility model relates to a gas chromatograph technical field, concrete field is a gas chromatograph autoinjection device.
Background
The development of gas chromatography technology has been a half century history and is now a well established and widely used method of separation and analysis of complex mixtures. Gas chromatography belongs to column chromatography, and can be classified into packed column GC and capillary column GC according to the chromatographic column. Currently, most users use capillary column GCs, but capillary column GCs also have their limitations. Because its internal diameter is little, so the column capacity is little, and higher to the requirement of advancing the sample technology, and conventional chromatogram sample introduction method has manual sample introduction and auto-sampler to advance the sample, and manual sample introduction mode analyst intensity of labour is too high, and work efficiency is low, and current auto-sampler sample volume is difficult to control, causes the sample volume inaccurate, influences the testing result, brings the inconvenience for the staff.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas chromatograph autoinjection device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic sample introduction device of a gas chromatograph comprises a gas chromatograph body, wherein one side of the gas chromatograph body is provided with a sample introduction port, one side of the gas chromatograph body is fixedly provided with a transmission device shell, the top of the transmission device shell is designed in a cover-free manner, a conveying belt is arranged inside the transmission device shell, a supporting rod is arranged on the rear side of the top of the transmission device shell, a mounting ring is fixedly arranged at the top end of the supporting rod, a sample box is arranged on the inner wall of the mounting ring, a material inlet is formed in the top of the sample box, a box cover is hinged to the top of the sample box, a discharging pipe is fixedly inserted in the bottom of the sample box, a plug board is inserted in the side wall of the discharging pipe in a sliding manner, a push board is fixedly arranged at the left side end of the plug board, a spring is fixedly arranged between the right, the picture peg passes the externally mounted of discharging pipe right side wall and has the limiting plate, driving motor is installed to the top rear side of transmission shell, driving motor is located the bracing piece left side, driving motor's output fixed mounting has the carousel, the upper surface of carousel set up threaded hole, the inside threaded connection of screw hole has the bolt, the top of bolt is installed and is rotated the seat, it has the push rod to rotate to peg graft on the seat, articulated connection between the one end of push rod and the push pedal, the top rear side fixed mounting of transmission shell has the controller, controller external power supply, the controller passes through wire electric connection with driving motor.
Preferably, the support frame is installed to the inner wall bottom of introduction port, the frame is installed on the top of support frame, the one end and the conveyer belt surface of frame closely laminate, the other end and the introduction port inner wall bottom fixed connection of frame, rotate between the inner wall around the frame and install a plurality of steel rollers.
Preferably, the surface of the conveyor belt is pasted with a plurality of positioning frames which are uniformly distributed, and the thickness of each positioning frame is 1-3 mm.
Preferably, the driving motor is a motor with adjustable rotating speed, and the rotating speed of the driving motor is adjusted through a controller.
Preferably, the cross-sectional shape of the through-hole is the same as the cross-sectional shape of the tapping pipe, and the cross-sectional area of the through-hole is smaller than the cross-sectional area of the tapping pipe.
Compared with the prior art, the beneficial effects of the utility model are that: an automatic sample introduction device of a gas chromatograph is characterized in that a transmission device shell is used for installing a transmission belt, so that the transmission belt can send a sample vessel into a gas chromatograph body, a plug board is used for plugging a discharge pipe and a through hole is formed, when the inserting plate slides, the sample can flow out from the through hole, the driving motor provides power for the rotation of the turntable, the connection of the threaded hole, the bolt, the rotating seat and the push rod can drive one end of the push rod to move when the rotating disc rotates, the other end of the push rod can drive the push plate to move through the connection of the push rod and the push plate, so that the inserting plate can be pushed to move rightwards when the rotary disc rotates for one circle, the through hole enters the discharging pipe for one-time discharging, the device has high automation degree and accurate sample feeding amount, the detection result is not influenced, and meanwhile, the workload of workers is reduced, and convenience is brought to the workers.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the installation structure of the turntable, the threaded hole, the bolt, the rotating seat and the push rod according to the present invention;
fig. 5 is a schematic view of the installation structure of the middle discharging pipe, the inserting plate, the pushing plate and the through hole of the present invention.
In the figure: the method comprises the following steps of 1-a gas chromatograph body, 2-a transmission device shell, 3-a conveyor belt, 4-a support rod, 5-a mounting ring, 6-a sample box, 7-a box cover, 8-a discharge pipe, 9-an insertion plate, 10-a push plate, 11-a spring, 12-a limiting plate, 13-a driving motor, 14-a rotary table, 15-a threaded hole, 16-a bolt, 17-a rotating seat, 18-a push rod, 19-a support frame, 20-a frame, 21-a steel roller, 22-a positioning frame, 23-a controller and 24-a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an automatic sample introduction device of a gas chromatograph comprises a gas chromatograph body 1, wherein one side of the gas chromatograph body 1 is provided with a sample introduction port, one side of the gas chromatograph body 1 is fixedly provided with a transmission device shell 2, the top of the transmission device shell 2 is designed in a cover-free manner, a conveying belt 3 is arranged inside the transmission device shell 2, a supporting rod 4 is arranged at the rear side of the top of the transmission device shell 2, a mounting ring 5 is fixedly arranged at the top end of the supporting rod 4, a sample box 6 is arranged on the inner wall of the mounting ring 5, a material inlet is arranged at the top of the sample box 6, a box cover 7 is hinged at the top of the sample box 6, a discharging pipe 8 is fixedly inserted at the bottom of the sample box 6, a plug board 9 is inserted at the side wall of the discharging pipe 8 in a sliding manner, and a push, fixed mounting has spring 11 between the right side wall of push pedal 10 and discharging pipe 8, picture peg 9 is located the left through-hole 24 of having seted up on the surface of discharging pipe 8, picture peg 9 passes the externally mounted of discharging pipe 8 right side wall has limiting plate 12, driving motor 13 is installed to the top rear side of transmission shell 2, driving motor 13 is located the bracing piece 4 left side, driving motor 13's output fixed mounting has carousel 14, screw hole 15 is seted up to the upper surface of carousel 14, the inside threaded connection of screw hole 15 has bolt 16, and the fastening direction of screw hole 15 and bolt 16 is opposite with driving motor 13's rotation direction, rotation seat 17 is installed at the top of bolt 16, it has push rod 18 to fixedly peg graft on the rotation seat 17, articulated connection between the one end of push rod 18 and push pedal 10, the top rear side fixed mounting of transmission shell 2 has controller 23, the controller 23 is externally connected with a power supply, the controller 23 is electrically connected with the driving motor 13 through a conducting wire, and the conveyor belt 3 is electrically connected with the controller 23 through a conducting wire.
The transmission device shell 2 is used for installing the transmission belt 3, so that the transmission belt 3 can send a sample vessel into the gas chromatograph body 1, the installation ring 5 is suspended above the transmission belt 3 through the support rod 4, the installation ring 5 is used for fixing the sample box 6, the sample box 6 is used for storing a detection sample, through the matching of the feeding port and the box cover 7, the sample is conveniently added into the sample box 6, the sample in the sample box 6 is discharged onto the sample vessel through the discharge pipe 8, the discharge pipe 8 is plugged through the insertion plate 9, the sample can flow out from the through hole 24 after the insertion plate 9 slides, the insertion plate 9 is driven to move through the push plate 10, the push plate 10 is applied with thrust through the spring 11, the through hole 24 is not positioned in the discharge pipe 8 when no other acting force acts on the push plate 10, the sample is ensured not to flow outwards, the excessive movement of the insertion plate 9 is prevented through the limit plate, provide power for the rotation of carousel 14 through driving motor 13, through screw hole 15, bolt 16, rotate the connection of seat 17 and push rod 18, the one end that can drive push rod 18 when making carousel 14 rotate takes place the motion, through being connected of push rod 18 and push pedal 10, make the other end of push rod 18 can drive push pedal 10 and take place the motion, make carousel 14 every turn a week can both promote picture peg 9 and move right, make through-hole 24 enter into discharging pipe 8, carry out the blowing once.
Particularly, support frame 19 is installed to the inner wall bottom of introduction port, frame 20 is installed on the top of support frame 19, the one end and the 3 surface of conveyer belt of frame 20 closely laminate, the other end and the introduction port inner wall bottom fixed connection of frame 20, rotate between the front and back inner wall of frame 20 and install a plurality of steel rollers 21.
The supporting frame 19 is used for installing the frame 20, the frame 20 is used for receiving the sample vessel conveyed by the conveying belt 3, the frame 20 is used for installing the steel roller 21, the steel roller 21 is used for facilitating the movement of the sample vessel, and the sample vessel can be ensured to enter the gas chromatograph body.
Specifically, the surface of the conveyor belt 3 is pasted with a plurality of positioning frames 22, the number of the positioning frames 22 is uniform, and the thickness of the positioning frames 22 is 1-3 mm.
The positioning frame 22 is convenient for workers to place the sample vessel, the sample vessel can be guaranteed to carry samples discharged from the discharge pipe 8, the positioning frame 22 is controlled to be in a state of 1-3mm, and the placing frame 20 scratches and scratches the positioning frame 22 to influence the operation of the device.
Specifically, the driving motor 13 is a motor with an adjustable rotation speed, and the driving motor 13 adjusts the rotation speed through the controller 23.
The time of one-time repeated movement of the inserted rod 9 can be controlled by adjusting the rotating speed of the driving motor 13, so that the amount of the sample discharged by the discharging pipe 8 can be freely and rapidly changed.
Specifically, the cross-sectional shape of the through-hole 24 is the same as the cross-sectional shape of the tapping pipe 8, and the cross-sectional area of the through-hole 24 is smaller than the cross-sectional area of the tapping pipe 8.
The working principle is as follows: when in use, the box cover 7 is opened, a sample is added into the sample box 6, then the box cover 7 is covered, a power supply is connected, the conveyor belt 3 is started, then the driving motor 13 is controlled to be started, the driving motor 13 provides power for the rotation of the rotary plate 14, the threaded hole 15, the bolt 16, the rotating seat 17 and the push rod 18 are connected, so that the rotary plate 14 can drive one end of the push rod 18 to move when rotating, the push rod 18 is connected with the push plate 10, the other end of the push rod 18 can drive the push plate 10 to move, the inserting plate 9 can be driven to move rightwards when the rotary plate 14 rotates for one circle, the through hole 24 enters the discharging pipe 8 for one-time discharging, the rotating driving motor 13 drives the inserting plate 9 to reciprocate, discharging is carried out continuously, the sample is received by other vessels in the period, and after the discharging state of the sample is stable, to placing the sample ware on conveyer belt 3, when the sample ware is transferred through discharging pipe 8, the sample drops in the sample ware, and the sample ware is sent to gas chromatograph body 1 afterwards, detects.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a gas chromatograph autoinjection device, includes gas chromatograph body (1), one side of gas chromatograph body (1) is equipped with inlet, its characterized in that: one side fixed mounting of gas chromatograph body (1) has transmission housing (2), the top of transmission housing (2) is the design of uncovered, the internally mounted of transmission housing (2) has conveyer belt (3), bracing piece (4) are installed to the top rear side of transmission housing (2), the top fixed mounting of bracing piece (4) has collar (5), sample box (6) is installed to the inner wall of collar (5), the pan feeding mouth has been seted up at the top of sample box (6), case lid (7) are installed in the top articulated of sample box (6), the fixed grafting in bottom of sample box (6) has discharging pipe (8), the lateral wall of discharging pipe (8) slides and pegs graft and has picture peg (9), the left side fixed mounting of picture peg (9) has push pedal (10), fixed mounting has spring (11) between the right side wall of push pedal (10) and discharging pipe (8), the utility model discloses a novel automatic tapping machine, including picture peg (9), discharging pipe (8), driving motor (13), bracing piece (4), picture peg (9), driving motor (13), the output fixed mounting of driving motor (13) has carousel (14), threaded hole (15) is seted up to the upper surface of carousel (14), the inside threaded connection of threaded hole (15) has bolt (16), rotation seat (17) is installed at the top of bolt (16), it has push rod (18) to rotate fixed grafting on seat (17), the articulated connection between the one end of push rod (18) and push pedal (10), the top rear side fixed mounting of driving device shell (2) has controller (23), the controller (23) is externally connected with a power supply, and the controller (23) is electrically connected with the driving motor (13) through a lead.
2. The automatic sample introduction device of a gas chromatograph according to claim 1, characterized in that: support frame (19) are installed to the inner wall bottom of introduction port, frame (20) are installed on the top of support frame (19), the one end and conveyer belt (3) surface of frame (20) closely laminate, the other end and the introduction port inner wall bottom fixed connection of frame (20), rotate between the front and back inner wall of frame (20) and install a plurality of steel rollers (21).
3. The automatic sample introduction device of a gas chromatograph according to claim 1, characterized in that: the surface of the conveyor belt (3) is pasted with a plurality of positioning frames (22), the number of the positioning frames (22) is uniform, and the thickness of the positioning frames (22) is 1-3 mm.
4. The automatic sample introduction device of a gas chromatograph according to claim 1, characterized in that: the driving motor (13) is a motor with adjustable rotating speed, and the driving motor (13) adjusts the rotating speed through the controller (23).
5. The automatic sample introduction device of a gas chromatograph according to claim 1, characterized in that: the cross-sectional shape of the through-hole (24) is the same as the cross-sectional shape of the discharge pipe (8), and the cross-sectional area of the through-hole (24) is smaller than the cross-sectional area of the discharge pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020016051.4U CN210775359U (en) | 2020-01-06 | 2020-01-06 | Automatic sample introduction device of gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020016051.4U CN210775359U (en) | 2020-01-06 | 2020-01-06 | Automatic sample introduction device of gas chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210775359U true CN210775359U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020016051.4U Expired - Fee Related CN210775359U (en) | 2020-01-06 | 2020-01-06 | Automatic sample introduction device of gas chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210775359U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115144516A (en) * | 2022-06-20 | 2022-10-04 | 京典科技有限公司 | Gas chromatograph capable of automatically feeding sample |
-
2020
- 2020-01-06 CN CN202020016051.4U patent/CN210775359U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115144516A (en) * | 2022-06-20 | 2022-10-04 | 京典科技有限公司 | Gas chromatograph capable of automatically feeding sample |
| CN115144516B (en) * | 2022-06-20 | 2023-11-03 | 京典科技有限公司 | Gas chromatograph capable of automatically sampling |
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| 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: 20200616 Termination date: 20210106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |