CN210487700U - Automatic sample introduction device of liquid chromatograph - Google Patents
Automatic sample introduction device of liquid chromatograph Download PDFInfo
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- CN210487700U CN210487700U CN201921501993.5U CN201921501993U CN210487700U CN 210487700 U CN210487700 U CN 210487700U CN 201921501993 U CN201921501993 U CN 201921501993U CN 210487700 U CN210487700 U CN 210487700U
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- rod
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- liquid chromatograph
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Abstract
The utility model discloses a liquid chromatograph autoinjection device, the on-line screen storage device comprises a base, the right side fixedly connected with fixed plate of base bottom, first spout has been seted up in the front of fixed plate, the front of fixed plate just is located and has seted up L type groove in the first spout. The utility model discloses utilize the start-up of motor, the motor passes through the master gear and drives from the gear rotation, thereby it is rotatory to drive the dwang, the dwang drives the movable rod and rotates, the other end and the connecting rod swing joint of movable rod, the movable rod rotates just can drive the connecting rod and move right, thereby the connecting rod promotes the sliding plate and moves right, the sliding plate drives the bracing piece and moves right, move to the right-hand member in L type groove when the bracing piece, the sliding plate continues to move right, change direction of motion with the bracing piece through the second spout, thereby the bracing piece begins the downstream, move to the top of carrying the appearance platform when the bracing piece, the suction pump begins to start, thereby carry out sampling operation to carrying.
Description
Technical Field
The utility model relates to an automatic sampling device specifically is a liquid chromatograph autoinjection device.
Background
The liquid chromatograph is an instrument which firstly separates a mixture and then analyzes and identifies the mixture by utilizing the difference of the distribution ratio of the mixture between two liquids which are liquid-solid or immiscible, and is divided into liquid-liquid chromatography (LLC) and liquid-solid chromatography (LSC) according to whether the stationary phase is liquid or solid. The modern liquid chromatograph consists of a high-pressure infusion pump, a sample introduction system, a temperature control system, a chromatographic column, a detector, a signal recording system and the like. Compared with the classical liquid phase column chromatography device, the device has the characteristics of high efficiency, rapidness, sensitivity and the like, and the liquid phase chromatograph can separate the mixture of high boiling point and difficult-to-gasify compounds by the chromatographic column nuclear eluent and is applied to the departments of biomedicine, environmental chemistry, petrochemical industry and the like.
The sample introduction head of the automatic sample introduction device of the existing liquid chromatograph is fixed, and the position of an accurate sample bottle cannot be moved, so that great troubles are brought to sampling work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid 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 liquid chromatograph comprises a base, wherein a fixed plate is fixedly connected to the right side of the bottom of the base, a first chute is formed in the front of the fixed plate, an L-shaped groove is formed in the front of the fixed plate and is positioned in the first chute, the fixed plate is connected with a sliding plate in a sliding manner through the first chute, a second chute is formed in the front of the sliding plate, a supporting rod is connected in the second chute in a sliding manner, a sample introduction head is arranged at one end of the supporting rod, the other end of the supporting rod penetrates through the L-shaped groove and extends to the back of the fixed plate, a second limiting block is fixedly connected to one end, extending to the back of the fixed plate, of the supporting rod, a first limiting block is fixedly connected to the outer surface of the supporting rod and is, one end of the rotating rod penetrates through the fixed rod and extends to the front face of the fixed rod, the rotating rod extends to the front end of the fixed rod and is fixedly connected with a movable rod, the other end of the movable rod is movably connected with a connecting rod, and the other end of the connecting rod is movably connected to the left side of the sliding plate.
Preferably, the outer surface of one end of the rotating rod is fixedly connected with a driven gear.
Preferably, the top of the base and the back of the fixing rod are fixedly connected with a motor base, the top of the motor base is fixedly connected with a motor, the outer surface of the output shaft of the motor is fixedly connected with a main gear, and the outer surface of the main gear is meshed with the outer surface of the driven gear.
Preferably, the suction pump is fixedly connected to the top of the base and the back of the fixing plate.
Preferably, a water pumping port of the suction pump is connected with the top of the sample injection head through a hose.
Preferably, the top of the base and the front surface of the fixing plate are fixedly connected with a sample loading table.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is set by starting the motor, the motor drives the driven gear to rotate through the main gear, thereby driving the rotating rod to rotate, the rotating rod drives the movable rod to rotate, the other end of the movable rod is movably connected with the connecting rod, the movable rod can drive the connecting rod to move rightwards when rotating, thereby the connecting rod pushes the sliding plate to move rightwards, and the sliding plate drives the supporting rod to move rightwards;
when the support rod moves to the rightmost end of the L-shaped groove, the sliding plate continues moving rightwards, the movement direction of the support rod is changed through the second sliding groove, so that the support rod starts moving downwards, when the support rod moves to the position above the sample carrying table, the suction pump starts to start, and therefore a sample on the sample carrying table is sampled.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the structure of the present invention;
fig. 3 is a side view of the fixing plate of the present invention;
fig. 4 is a side view of the fixing rod of the present invention.
In the figure: 1. a base; 2. a fixing plate; 3. a first chute; 4. an L-shaped groove; 5. a sliding plate; 6. a second chute; 7. a support bar; 8. a sample introduction head; 9. a second limiting block; 10. a first stopper; 11. fixing the rod; 12. rotating the rod; 13. a movable rod; 14. a connecting rod; 15. a slave gear; 16. a motor base; 17. a motor; 18. a main gear; 19. a suction pump; 20. a hose; 21. and a sample carrying platform.
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. 1-4, the present invention provides an embodiment:
an automatic sample introduction device of a liquid chromatograph comprises a base 1, wherein a fixed plate 2 is fixedly connected to the right side of the bottom of the base 1, a first chute 3 is formed in the front of the fixed plate 2, an L-shaped groove 4 is formed in the front of the fixed plate 2 and positioned in the first chute 3, the fixed plate 2 is slidably connected with a sliding plate 5 through the first chute 3, a second chute 6 is formed in the front of the sliding plate 5, a supporting rod 7 is slidably connected to the inside of the second chute 6, a sample introduction head 8 is arranged at one end of the supporting rod 7, the other end of the supporting rod 7 penetrates through the L-shaped groove 4 and extends to the back of the fixed plate 2, a second limiting block 9 is fixedly connected to one end of the supporting rod 7 extending to the back of the fixed plate 2, a first limiting block 10 is fixedly connected to the outer surface of the supporting rod 7 and positioned in, the top of dead lever 11 is rotated and is connected with dwang 12, the one end of dwang 12 runs through dead lever 11 and extends to the front of dead lever 11, dwang 12 extends to the positive one end fixedly connected with movable rod 13 of dead lever 11, the other end swing joint of movable rod 13 has connecting rod 14, the other end swing joint of connecting rod 14 is in the left side of sliding plate 5.
In the present embodiment, a slave gear 15 is fixedly connected to an outer surface of one end of the rotating lever 12.
In the embodiment, a motor base 16 is fixedly connected to the top of the base 1 and located at the back of the fixing rod 11, a motor 17 is fixedly connected to the top of the motor base 16, a main gear 18 is fixedly connected to the outer surface of the output shaft of the motor 17, and the outer surface of the main gear 18 is meshed with the outer surface of the slave gear 15.
In this embodiment, a suction pump 19 is fixedly connected to the top of the base 1 and on the back of the fixing plate 2.
In this embodiment, the suction port of the suction pump 19 is connected to the top of the sample injection head 8 through a hose 20.
In this embodiment, a sample stage 21 is fixedly connected to the top of the base 1 and to the front surface of the fixing plate 2.
The working principle is as follows: by starting the motor 17, the motor 17 drives the driven gear 15 to rotate through the main gear 18, so as to drive the rotating rod 12 to rotate, the rotating rod 12 drives the movable rod 13 to rotate, the other end of the movable rod 13 is movably connected with the connecting rod 14, the movable rod 13 rotates to drive the connecting rod 14 to move rightwards, so that the connecting rod 14 pushes the sliding plate 5 to move rightwards, and the sliding plate 5 drives the supporting rod 7 to move rightwards;
when the support rod 7 moves to the rightmost end of the L-shaped groove 4, the sliding plate 5 continues moving rightwards, the movement direction of the support rod 7 is changed through the second sliding groove 6, so that the support rod 7 starts moving downwards, and when the support rod 7 moves to the position above the sample carrying table 21, the suction pump 19 starts to start, so that a sample on the sample carrying table 21 is sampled.
Although the present invention 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 or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a liquid chromatograph autoinjection device, includes the base, its characterized in that: the right side of the bottom of the base is fixedly connected with a fixed plate, the front of the fixed plate is provided with a first chute, the front of the fixed plate is provided with an L-shaped groove which is positioned in the first chute, the fixed plate is connected with a sliding plate in a sliding way through the first chute, the front of the sliding plate is provided with a second chute, the inner part of the second chute is connected with a supporting rod in a sliding way, one end of the supporting rod is provided with a sample injection head, the other end of the supporting rod penetrates through the L-shaped groove and extends to the back of the fixed plate, one end of the supporting rod extending to the back of the fixed plate is fixedly connected with a second limiting block, the outer surface of the supporting rod is fixedly connected with a first limiting block positioned in the front of the sliding plate, the left side of the top of, the dwang extends to the positive one end fixedly connected with movable rod of dead lever, the other end swing joint of movable rod has the connecting rod, the other end swing joint of connecting rod is in the left side of sliding plate.
2. The automatic sample introduction device of a liquid chromatograph according to claim 1, characterized in that: the outer surface of one end of the rotating rod is fixedly connected with a driven gear.
3. The automatic sample introduction device of a liquid chromatograph according to claim 1, characterized in that: the motor is characterized in that a motor base is fixedly connected to the top of the base and the back of the fixing rod, a motor is fixedly connected to the top of the motor base, a main gear is fixedly connected to the outer surface of an output shaft of the motor, and the outer surface of the main gear is meshed with the outer surface of the driven gear.
4. The automatic sample introduction device of a liquid chromatograph according to claim 1, characterized in that: the top of base just is located the back fixedly connected with suction pump of fixed plate.
5. The automatic sample introduction device of a liquid chromatograph according to claim 4, characterized in that: and a water pumping port of the suction pump is connected with the top of the sample injection head through a hose.
6. The automatic sample introduction device of a liquid chromatograph according to claim 1, characterized in that: the top of the base is fixedly connected with a sample carrying table on the front side of the fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921501993.5U CN210487700U (en) | 2019-09-11 | 2019-09-11 | Automatic sample introduction device of liquid chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921501993.5U CN210487700U (en) | 2019-09-11 | 2019-09-11 | Automatic sample introduction device of liquid chromatograph |
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| Publication Number | Publication Date |
|---|---|
| CN210487700U true CN210487700U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921501993.5U Active CN210487700U (en) | 2019-09-11 | 2019-09-11 | Automatic sample introduction device of liquid chromatograph |
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| Country | Link |
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| CN (1) | CN210487700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643277A (en) * | 2021-01-08 | 2021-04-13 | 星球阀门有限公司 | Fixture for automatic build-up welding equipment of hemispherical valve and process thereof |
-
2019
- 2019-09-11 CN CN201921501993.5U patent/CN210487700U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112643277A (en) * | 2021-01-08 | 2021-04-13 | 星球阀门有限公司 | Fixture for automatic build-up welding equipment of hemispherical valve and process thereof |
| CN112643277B (en) * | 2021-01-08 | 2023-03-14 | 星球阀门有限公司 | Fixture for automatic build-up welding equipment of hemispherical valve and process thereof |
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