CN210863642U

CN210863642U - Sample introduction device of ion chromatograph

Info

Publication number: CN210863642U
Application number: CN201921743401.0U
Authority: CN
Inventors: 陈桂友; 洪旭东; 张祝燕; 温小琴
Original assignee: Fujian Zhongjian Kangtai Testing Technology Co ltd
Current assignee: Fujian Zhongjian Kangtai Testing Technology Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-26
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses an ion chromatograph's sampling device, including chromatograph body, base, backup pad and fixing device, chromatograph body bottom fixedly connected with base, chromatograph body one side is equipped with the introduction port, the slot that is used for erection support board is offered to one side that the base is close to the introduction port, the spacing groove that is used for installation fixing device is offered to the backup pad up end, backup pad one end activity is inserted in the slot, the recess that is used for erection joint spare is offered to the one end that chromatograph body was kept away from to the backup pad, the recess relative parallel is equipped with two sets ofly, still be equipped with regulation pole, sucking disc in the recess, the last syringe of installing of fixing device, fixing device's one end is kept away from to the syringe is inserted in the introduction port, base, backup pad are. This ion chromatograph's sampling device, reasonable in design, convenient to use has the advantage that stability is good.

Description

Sample introduction device of ion chromatograph

Technical Field

The utility model belongs to the technical field of ion chromatograph, concretely relates to ion chromatograph's sampling device.

Background

Ion chromatography is one of high performance liquid chromatography, so it is also called High Performance Ion Chromatography (HPIC) or modern ion chromatography, which is different from traditional ion exchange chromatography column chromatography mainly in that resin has very high crosslinking degree and low exchange capacity, sample introduction volume is very small, and the on-line automatic continuous conductivity detection is usually carried out on the eluate by conveying eluate with plunger pump.

The collection accessible syringe of present ion chromatograph liquid sample directly advances kind, but the syringe sampling device that current ion chromatograph used, the effect of rigidity is relatively poor on ion chromatograph to stability when being difficult to guarantee to advance kind.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ion chromatograph's sampling device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sample introduction device of an ion chromatograph comprises a chromatograph body, a base, a support plate and a fixing device, wherein the base is fixedly connected with the bottom end of the chromatograph body, a sample inlet is arranged on one side of the chromatograph body, a slot for installing the support plate is formed in one side, close to the sample inlet, of the base, a limiting groove for installing the fixing device is formed in the upper end face of the support plate, one end of the support plate is movably inserted into the slot, a groove for installing a connecting piece is formed in one end, away from the chromatograph body, of the support plate, two groups of grooves are arranged in a relatively parallel mode, an adjusting rod and a sucking disc are further arranged in the groove, an injector is installed on the fixing device, one end, away from the fixing device, of the injector is inserted into the sample inlet, the fixing device comprises a, the screw rod and the fixing seats are respectively provided with two groups in parallel, and the injector is arranged between the two groups of fixing seats.

Preferably, the base and the supporting plate are both rectangular plate-shaped structures, the plane where the supporting plate is located is parallel to the plane where the base is located, the supporting plate is arranged in the slot, sliding grooves are formed in two sides of the supporting plate, sliding blocks are fixedly connected to the positions, where the sliding grooves are located, of the inner walls of two sides of the slot, and the sliding grooves are matched with the sliding blocks.

Preferably, the connecting piece both sides equal fixed mounting have the connecting rod, the connecting piece passes through the connecting rod and is connected with the recess inner wall rotation, the bearing is installed to recess both sides inner wall position at connecting rod position inlaying, the connecting rod is kept away from the one end fixed insertion of connecting piece in the bearing.

Preferably, the adjusting rod, the suckers and the connecting piece are arranged in parallel, one end of the adjusting rod penetrates through the connecting piece and is fixedly connected with the suckers, the adjusting rod is in threaded connection with the connecting piece, and the adjusting rod is rotatably connected with the supporting plate through the connecting piece.

Preferably, the support frame is of a rectangular frame structure, a limiting block is fixedly connected to the bottom of the support frame, the limiting block is inserted into a limiting groove from top to bottom, a mounting plate is fixedly connected to the inside of the support frame, screw rods are connected to the top of the support frame and the mounting plate through threads, and a first movable plate and a second movable plate are arranged between the screw rods respectively.

Preferably, one set of the screw rod bottom passes through the support frame and is connected with the second fly leaf rotation, and another set of the screw rod top passes through the mounting panel and is connected with the first fly leaf rotation, and two sets of fixing base fixed mounting is respectively at the up end of first fly leaf and the lower terminal surface of second fly leaf, seted up the arc wall that is used for fixed syringe on the fixing base, the arc wall is parallel relatively and is equipped with two sets ofly.

The utility model discloses a technological effect and advantage: the sample introduction device of the ion chromatograph is arranged in the sliding groove through the sliding block, so that the supporting plate can be conveniently drawn out of the sliding groove, the sliding groove is convenient for accommodating the supporting plate, the position of the supporting plate can be fixed through the matching use of the sucking disc, the adjusting rod, the connecting piece, the connecting rod and the bearing, meanwhile, the supporting plate can be adjusted to a horizontal supporting state through the adjusting rod in an uneven place, so that the fixing device is convenient to install, the sliding grooves are formed in the inner walls of the two sides of the supporting frame, the distance between the first movable plate and the second movable plate can be conveniently adjusted through the design of the supporting frame, the fixing plate and the lead screw, so that the position of the injector can be conveniently adjusted, the two groups of arc-shaped grooves jointly enclose into a group of annular structure, the arc-shaped grooves are matched with the injector, so, the relatively poor problem of fixed position effect on ion chromatograph, this ion chromatograph's sampling device, reasonable in design, convenient to use has the advantage that stability is good.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a front view of the fixing device of the present invention.

In the figure: the chromatograph comprises a chromatograph body 1, a sample inlet 2, a base 3, slots 4, a limiting groove 5, a sliding groove 6, a sucker 7, an adjusting rod 8, a groove 9, a supporting plate 10, a connecting piece 11, a fixing device 12, a screw rod 13, a connecting rod 14, an injector 15, a support frame 16, a first movable plate 17, an installation plate 18, a limiting block 19, a second movable plate 20 and a fixing seat 21.

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.

The utility model provides a sample introduction device of an ion chromatograph, as shown in figures 1-3, comprising a chromatograph body 1, a base 3, a support plate 10 and a fixing device 12, the base 3 is fixedly connected with the bottom end of the chromatograph body 1, a sample introduction port 2 is arranged on one side of the chromatograph body 1, a slot 4 for installing the support plate 10 is arranged on one side of the base 3 close to the sample introduction port 2, a limit groove 5 for installing the fixing device 12 is arranged on the upper end surface of the support plate 10, one end of the support plate 10 is movably inserted in the slot 4, a groove 9 for installing a connecting piece 11 is arranged on one end of the support plate 10 far away from the chromatograph body 1, two groups of grooves 9 are arranged in parallel relatively, an adjusting rod 8 and a sucking disc 7 are arranged in the groove 9, an injector 15 is arranged on the fixing device 12, and one end of the injector 15 far away from the, the fixing device 12 comprises a support frame 16, a mounting plate 18, a limiting block 19, a first movable plate 17, a second movable plate 20, a fixed seat 21 and a screw rod 13, wherein the screw rod 13 and the fixed seat 21 are arranged in two groups in parallel, and the injector 15 is arranged between the two groups of fixed seats 21.

Specifically, base 3, backup pad 10 are rectangular plate-like structure, the plane that backup pad 10 is located is parallel with base 3 place plane, slot 4 is located to backup pad 10, spout 6 has all been seted up to backup pad 10 both sides, slot 4 both sides inner wall is located spout 6 position fixedly connected with slider, spout 6 and slider looks adaptation, slider are located in spout 6 to the backup pad 10 of being convenient for is taken out in slot 4.

Specifically, the equal fixed mounting in connecting piece 11 both sides has connecting rod 14, connecting piece 11 rotates through connecting rod 14 and recess 9 inner wall to be connected, recess 9 both sides inner wall is located connecting rod 14 position and inlays and install the bearing, connecting rod 14 keeps away from the one end fixed insertion of connecting piece 11 in the bearing, through the design of connecting rod 14 and bearing to be convenient for connecting piece 11 at the internal rotation of recess 9, and then be convenient for adjust the angle of pole 8.

It is specific, it is equipped with two sets ofly to the parallel to adjust pole 8, sucking disc 7 and connecting piece 11 homogeneous phase, it passes connecting piece 11 and sucking disc 7 fixed connection to adjust 8 one ends of pole, adjust pole 8 and connecting piece 11 threaded connection, it is connected through connecting piece 11 and backup pad 10 rotation to adjust pole 8, and sucking disc 7 adsorbs on the desktop, uses through sucking disc 7, the cooperation of adjusting pole 8, connecting piece 11, connecting rod 14 and bearing to can fix the position of backup pad 10, and backup pad 10 is right angle structure with fixing device 12 and arranges.

Specifically, the support frame 16 is a rectangular frame structure, the bottom end of the support frame 16 is fixedly connected with a limiting block 19, the limiting block 19 is inserted into the limiting groove 5 from top to bottom, the mounting plate 18 is fixedly connected with the inside of the support frame 16, the screw rods 13 are connected to the top end of the support frame 16 and the mounting plate 18 through threads, and the screw rods 13 are respectively provided with a first movable plate 17 and a second movable plate 20, the inner walls of the two sides of the support frame 16 are provided with sliding grooves 6, and the two ends of the first movable plate 17 and the second movable plate 20 are both connected with the support frame 16 in a sliding mode through the sliding grooves 6, so that the distance between the first movable plate 17 and the second movable.

Specifically, wherein a set of support frame 16 and second fly leaf 20 are passed to lead screw 13 bottom and are rotated and be connected, and another is a set of mounting panel 18 is passed on the lead screw 13 top and first fly leaf 17 rotates to be connected, and is two sets of fixing base 21 is fixed mounting respectively at the up end of first fly leaf 17 and the lower terminal surface of second fly leaf 20, offer the arc wall that is used for fixed syringe 15 on the fixing base 21, the arc wall is parallel relatively and is equipped with two sets ofly, and synthetic a set of annular structure is enclosed jointly to two sets of arc walls, arc wall and 15 looks adaptations of syringe to be convenient for fix syringe 15.

Specifically, when the sample introduction device of the ion chromatograph is used, when a sample is required to be introduced into the chromatograph body 1, the support plate 10 is firstly drawn out from the slot 4 to expose the limit groove 5, then the adjusting rod 8 of the support plate 10 positioned in the groove 9 is rotated to align the suction cup 7 with the desktop, then the adjusting rod 8 is screwed to drive the suction cup 7 to move downwards, so that the suction cup 7 is adsorbed on the desktop to further fix the support plate 10, then the fixing device 12 is taken out, the support frame 16 is inserted into the limit groove 5 from top to bottom through the limit block 19, the support plate 10 and the fixing device 12 are arranged in a right-angle structure, then the screw rod 13 screwed and positioned on the mounting plate 18 to drive the first movable plate 17 to move upwards until the position of the fixing seat 21 positioned on the first movable plate 17 is highly consistent with the position of the sample introduction port 2, then place syringe 15 on fixing base 21, insert the one end level of syringe 15 syringe needle in introduction port 2, twist the lead screw 13 of transposition in support frame 16 top at last to drive second fly leaf 20 and do downstream, until the fixing base 21 that is located on second fly leaf 20 and syringe 15 in close contact with, this sampling device of ion chromatograph, reasonable in design, convenient to use has the advantage that stability is good.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an ion chromatograph's sampling device, includes chromatograph body (1), base (3), backup pad (10) and fixing device (12), its characterized in that: the device is characterized in that a base (3) is fixedly connected to the bottom end of the chromatograph body (1), a sample inlet (2) is arranged on one side of the chromatograph body (1), a slot (4) for installing a support plate (10) is formed in one side, close to the sample inlet (2), of the base (3), limit grooves (5) for installing a fixing device (12) are formed in the upper end face of the support plate (10), one end of the support plate (10) is movably inserted into the slot (4), a groove (9) for installing a connecting piece (11) is formed in one end, far away from the chromatograph body (1), of the support plate (10), two groups of grooves (9) are arranged in a relatively parallel mode, an adjusting rod (8) and a sucking disc (7) are further arranged in the groove (9), an injector (15) is installed on the fixing device (12), and one end, far away from the fixing device (12), of the, fixing device (12) are including support frame (16), mounting panel (18), stopper (19), first fly leaf (17), second fly leaf (20), fixing base (21) and lead screw (13), fixing base (21) are all equipped with two sets ofly to the parallel, syringe (15) are located two sets ofly between fixing base (21).

2. The sample introduction device of an ion chromatograph according to claim 1, wherein: base (3), backup pad (10) are rectangular plate structure, backup pad (10) place plane is parallel with base (3) place plane, slot (4) are located in backup pad (10), spout (6) have all been seted up to backup pad (10) both sides, slot (4) both sides inner wall is located spout (6) position fixedly connected with slider, spout (6) and slider looks adaptation.

3. The sample introduction device of an ion chromatograph according to claim 1, wherein: the connecting piece (11) both sides equal fixed mounting have connecting rod (14), connecting piece (11) are connected with recess (9) inner wall rotation through connecting rod (14), recess (9) both sides inner wall is located connecting rod (14) position and inlays and install the bearing, connecting rod (14) keep away from the one end fixed insertion of connecting piece (11) in the bearing.

4. The sample introduction device of an ion chromatograph according to claim 1, wherein: adjust pole (8), sucking disc (7) and connecting piece (11) homogeneous phase parallel and be equipped with two sets ofly, adjust pole (8) one end and pass connecting piece (11) and sucking disc (7) fixed connection, adjust pole (8) and connecting piece (11) threaded connection, it rotates with backup pad (10) through connecting piece (11) and is connected to adjust pole (8).

5. The sample introduction device of an ion chromatograph according to claim 1, wherein: the support frame (16) is a rectangular frame structure, a limiting block (19) is fixedly connected to the bottom end of the support frame (16), the limiting block (19) is inserted into the limiting groove (5) from top to bottom, a mounting plate (18) is fixedly connected to the inside of the support frame (16), a screw rod (13) is connected to the top end of the support frame (16) and the mounting plate (18) in a threaded mode, and a first movable plate (17) and a second movable plate (20) are arranged between the screw rod (13) respectively.

6. The sample introduction device of an ion chromatograph according to claim 5, wherein: wherein a set of lead screw (13) bottom passes support frame (16) and is connected with second fly leaf (20) rotation, and another set of lead screw (13) top is passed mounting panel (18) and is connected with first fly leaf (17) rotation, and two sets of fixing base (21) are fixed mounting respectively at the up end of first fly leaf (17) and the lower terminal surface of second fly leaf (20), seted up the arc wall that is used for fixed syringe (15) on fixing base (21), the arc wall is parallel relatively and is equipped with two sets ofly.