CN214699396U

CN214699396U - Device for fixing sample injection valve bracket and chromatographic column bracket

Info

Publication number: CN214699396U
Application number: CN202120131891.XU
Authority: CN
Inventors: 高文磊; 王丰琳; 封娇; 唐涛; 李彤
Original assignee: Dalian Elite Analytical Instruments Co ltd
Current assignee: Dalian Elite Analytical Instruments Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-11-12
Anticipated expiration: 2031-01-18

Abstract

The utility model relates to the technical field of fixing devices, in particular to a device for fixing a sample injection valve bracket and a chromatographic column bracket, which comprises a stand unit, a valve bracket unit and a column bracket unit; the stand unit comprises an upright post module, a base, a cross beam, a buckle and a connecting block, wherein the upright post module comprises an upright post and an upright post pad; the valve bracket unit comprises a sample injection valve, a sample injection valve bracket and a valve bracket manual knob; the column support unit comprises a chromatographic column, a slide seat manual knob, a column support slide seat, a knob seat and a column support manual knob; a through hole is formed in a sample injection valve bracket in the valve bracket unit, and the upright post penetrates through the through hole to fix the sample injection valve bracket in a sliding manner; and a column support sliding seat in the column support unit is connected with a cross beam in the stand unit in a sliding manner. The utility model provides a fixed problem of sampling valve and chromatographic column, and can diversified adjustment position coordinate actual operation simultaneously.

Description

Device for fixing sample injection valve bracket and chromatographic column bracket

Technical Field

The utility model belongs to the technical field of the fixing device technique and specifically relates to a device for fixing sampling valve support and chromatographic column support is related to.

Background

Valve support, column support among the prior art are the accessory that often uses in the liquid chromatogram instrument, and its main effect is fixed manual sampling valve and chromatographic column, but current structure majority all adopts simple sheet metal construction singleness fixed, and the reliability is poor, dismantles to change loaded down with trivial details, can not adjusting position satisfy actual installation demand, and is rather inconvenient in the in-service use.

Chinese patent CN208566022U discloses a movable support for a liquid chromatograph, which includes an adjustable laminate, a foldable table top and a support base plate, wherein the support base plate is fixedly connected with a first fixed support rod, a first movable support rod is rotatably installed at a position below the middle of the first fixed support rod, the lower end of the first fixed support rod is fixedly connected with a first support base, a cylinder is fixedly installed on the first fixed support rod located at the middle of the first movable support rod and the first support base, a plunger rod located at one end side of the cylinder is connected with a driving pinch roller, one side of the driving pinch roller is slidably connected with the first movable support rod, and the other side of the driving pinch roller is slidably connected with the upper part of the first support base; one end of the first movable supporting rod is provided with a pulley fixing plate, and the pulley fixing plate is rotatably provided with a universal wheel. And the lower part of the first support base is fixedly provided with an anti-slip pad. One end of the first supporting base is provided with a pinch roller sliding baffle, and one end of the pinch roller sliding baffle, which is connected with the driving pinch roller, is bent towards one side of the driving pinch roller. The bearing is arranged on the first fixed supporting rod, a through hole corresponding to the bearing is formed in the middle of the first movable supporting rod, and the first fixed supporting rod is rotatably connected with the first movable supporting rod through the bearing.

Chinese patent CN1815221A provides a portable liquid chromatograph with small volume, light weight, low power consumption, high integration of each component, multiple functions and compact structure. The system is provided with an injection pump, a sample injection valve, an optical fiber type ultraviolet-visible absorption/fluorescence dual-purpose flow cell, an optical fiber component, a capillary monolithic column, a grating spectrometer, a photodiode light source, a computer, a waste liquid bottle and a power supply, wherein the outlet of the injection pump is connected with the inlet of the sample injection valve, the outlet of the sample injection valve is connected with the inlet of the capillary monolithic column, the outlet of the capillary monolithic column is connected with the flow cell, the light source is led into the flow cell and the grating spectrometer, the transmission light or fluorescence of the flow cell is led into the grating spectrometer through the optical fiber, the output end of an absorbance or fluorescence intensity conversion signal of the grating spectrometer is connected with the computer to obtain the spectral information and the corresponding spectrogram of a measured object, the pipeline of a flow path outlet of the flow cell is connected with the waste liquid bottle, and the control end of the injection pump is connected with a serial port communication interface of the computer.

The patent documents disclosed above all relate to the technical field of liquid chromatographs, and the patent CN208566022U mainly solves the problem of retraction of universal wheels by using fixed rods, movable rods, universal wheels and the like; the technical scheme of patent CN1815221A and the technical problem to be solved are different from the present invention. Based on above technical problem, the utility model provides a device for fixing sampling valve support and chromatographic column support has solved the fixed problem of sampling valve and chromatographic column, can the coordinated actual operation in diversified adjusting position simultaneously.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a device for fixing sampling valve support and chromatographic column support.

In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme as follows:

a device for fixing a sample injection valve bracket and a chromatographic column bracket comprises a stand unit, a valve bracket unit and a column bracket unit; the stand unit comprises an upright post module, a base, a cross beam, a buckle and a connecting block, wherein the upright post module comprises an upright post and an upright post pad; the valve bracket unit comprises a sample injection valve, a sample injection valve bracket and a valve bracket manual knob; the column support unit comprises a chromatographic column, a slide seat manual knob, a column support slide seat, a knob seat and a column support manual knob; a through hole is formed in a sample injection valve bracket in the valve bracket unit, and the upright post penetrates through the through hole to fix the sample injection valve bracket in a sliding manner; and a column support sliding seat in the column support unit is connected with a cross beam in the stand unit in a sliding manner.

Further, the stand is established to two, and as the fixed column of governing valve support and post support upper and lower position, stand lower extreme and stand pad fixed connection, and the cross section diameter of stand pad is greater than the cross section diameter of stand.

Furthermore, the upper body unit of the base is in a frustum pyramid shape, the lower body unit is in a cuboid shape, the cross sectional area of the upper body unit is smaller than that of the lower body unit, and the upper end face of the upper body unit of the base is fixedly connected with the upright post pad.

Furthermore, one end of each connecting block is fixedly connected with the corresponding buckle, and the other end of each connecting block is fixed on one side of the lower body unit of the base, wherein the number of the connecting blocks is two, the number of the buckles is two, and the connecting blocks are arranged to be aluminum blocks.

Furthermore, the crossbeam sets up between two stands, and the both ends of crossbeam are provided with two holes, and two stands pass two holes on the crossbeam respectively, and the crossbeam both ends are fixed by fixed part, and fixed part is located the outside of stand, and fixed part can be dismantled, and the crossbeam of being convenient for carries out upper and lower adjustment position on the stand.

Furthermore, four solid angles of the sample injection valve support are provided with four same grooves, a sample injection valve is mounted on the front side face of the sample injection valve support, a valve support manual knob is arranged on the right side face of the sample injection valve support, a through hole is formed in the upper side face and the lower side face between the sample injection valves, and the valve support manual knob is used for adjusting the position of the valve support in the vertical direction.

Furthermore, a side face of the column support sliding seat is provided with a U-shaped groove, the height of the U-shaped groove is matched with the width of the cross beam, and the column support sliding seat slides on the cross beam in the horizontal direction through the U-shaped groove.

Furthermore, the manual knob of slide is located the upper end side of post support slide, adjusts the horizontal direction position of post support slide.

Furthermore, one end of the knob seat is horizontally connected with one side surface of the column support sliding seat in a sliding mode, the purpose is to clamp a chromatographic column with a larger diameter range, the other end of the knob seat protrudes out of one side surface, the knob seat and the connected side surface of the column support sliding seat form a groove, and the chromatographic column is placed in the groove.

Further, the manual knob of the column bracket is arranged on the side surface of the knob seat bulge to fasten the chromatographic column.

Compared with the prior art, the beneficial effects of the utility model are embodied in:

(1) the utility model discloses set up a massive bottom plate to utilize its front and back two padlock card to advance the instrument and be connected with it, reinforcing structural stability. The height of the valve support is adjusted by sliding on the upright column, and the height and the front and rear positions of the valve support are adjusted by the cross beam and the upright column, so that the assembly is simple and the use is convenient.

(2) The utility model discloses assemble a plurality of valve support simultaneously, the column holder, diversified adjustable support position can fix the chromatographic column of multiple size.

(3) The utility model discloses the fixed problem of sampling valve and chromatographic column has effectively been solved.

Drawings

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

FIG. 2 is an assembled schematic view of the valve carriage unit;

FIG. 3 is an assembled schematic view of the column bracket unit;

FIG. 4 is an assembled schematic view of a column support unit at a different angle than FIG. 3;

FIG. 5 is a schematic view of the present invention mounted on an instrument;

the reference numbers are as follows: 1. a base; 2. buckling; 3. connecting blocks; 4. a column pad; 5. a column; 6. a cross beam; 7. a sample injection valve; 8. a sample injection valve bracket; 9. a valve carriage manual knob; 10. a chromatographic column; 11. a slide manual knob; 12. a post holder slide; 13. a knob seat; 14. column support manual knob.

Detailed Description

In order to make the objects and technical solutions of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the following embodiments.

Examples

An apparatus for fixing a sample injection valve holder and a chromatography column 10 holder according to fig. 1 to 5 comprises a stand unit, a valve holder unit and a column holder unit; the stand unit comprises a stand column module, a base 1, a cross beam 6, a buckle 2 and a connecting block 3, wherein the stand column 5 module comprises a stand column 5 and a stand column pad 4; the valve bracket unit comprises a sample injection valve 7, a sample injection valve bracket 8 and a valve bracket manual knob 9; the column support unit comprises a chromatography column 10, a slide manual knob 11, a column support slide 12, a knob seat 13 and a column support manual knob 14; a through hole is formed in a sample injection valve bracket 8 in the valve bracket unit, and the upright post 5 penetrates through the through hole to fix the sample injection valve bracket 8 in a sliding manner; the post holder slide 12 in the post holder unit is slidably connected to the cross beam 6 in the stand unit.

Stand 5 establishes to two, as the fixed column of governing valve support and post support upper and lower position, 5 lower extremes of stand and stand pad 4 fixed connection, and the cross section diameter of stand pad 4 is greater than the cross section diameter of stand 5. The upper body unit of the base 1 is in a prismoid shape, the lower body unit is in a cuboid shape, the cross-sectional area of the upper body unit is smaller than that of the lower body unit, and the upper end face of the upper body unit of the base 1 is fixedly connected with the upright post pad 4. One end of the connecting block 3 is fixedly connected with the buckle 2, the other end of the connecting block is fixed on one side of the lower body unit of the base 1, the number of the connecting blocks 3 is two, the number of the buckles 2 is two, the buckle 2 is used for being connected with a buckle of the bottom plate of the instrument, the overall stability is enhanced, the connecting block 3 is set to be a metal block, preferably an aluminum block, and the reason that the aluminum block is set to be the surface treatment of black anodic oxidation sand blasting is needed, the color of the aluminum block is changed, and the aluminum block is matched with the appearance of the whole instrument. Two holes are formed in two ends of the cross beam 6, the two stand columns 5 penetrate through the two holes in the cross beam 6 respectively, two ends of the cross beam 6 are fixed through fixing parts, the fixing parts are located on the outer sides of the stand columns 5, the fixing parts can be detached, and the position of the cross beam 6 can be adjusted up and down on the stand columns 5 conveniently. Four solid angles of the sample injection valve support 8 are provided with four same grooves, a sample injection valve 7 is installed on the front side face of the sample injection valve support 8, a valve support manual knob 9 is arranged on the right side face of the sample injection valve support 8 and used for fastening the sample injection valve support 8, a through hole is formed in the upper side face and the lower side face between the sample injection valves 7, and the valve support manual knob 9 is used for adjusting the position of the sample injection valve support 8 in the vertical direction and enabling the sample injection valve support to be located at different height positions. A side of the column support sliding seat 12 is provided with a U-shaped groove, the height of the U-shaped groove is matched with the width of the cross beam 6, and the column support sliding seat 12 slides on the cross beam 6 in the horizontal direction through the U-shaped groove. The slide manual knob 11 is located on the upper end side of the pillar brace slide 12, and adjusts the position of the pillar brace slide 12 in the horizontal direction. One end of the knob seat 13 is horizontally connected with one side surface of the column support sliding seat 12 in a sliding mode, the purpose is to clamp a chromatographic column 10 with a larger diameter range, the other end of the knob seat protrudes out of one side surface, the knob seat 13 and the connected side surface of the column support sliding seat 12 form a groove, the chromatographic column 10 is placed in the groove, and the knob seat 13 can clamp chromatographic columns 10 with various sizes. The column support hand knob 14 is arranged on the convex side of the knob seat 13, fastening the chromatography column 10.

The above description is only for the embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which all fall within the scope of the present invention.

Claims

1. A device for fixing a sample injection valve bracket and a chromatographic column bracket is characterized by comprising a stand unit, a valve bracket unit and a column bracket unit; the stand unit comprises an upright post module, a base, a cross beam, a buckle and a connecting block, wherein the upright post module comprises an upright post and an upright post pad; the valve bracket unit comprises a sample injection valve, a sample injection valve bracket and a valve bracket manual knob; the column support unit comprises a chromatographic column, a slide seat manual knob, a column support slide seat, a knob seat and a column support manual knob; a through hole is formed in a sample injection valve bracket in the valve bracket unit, and the upright post penetrates through the through hole to fix the sample injection valve bracket in a sliding manner; and a column support sliding seat in the column support unit is connected with a cross beam in the stand unit in a sliding manner.

2. The device of claim 1, wherein the number of the pillars is two, the lower end of each pillar is fixedly connected to a pillar pad, and the diameter of the cross section of the pillar pad is larger than that of the pillar.

3. The apparatus of claim 1, wherein the upper body unit of the base is in the shape of a frustum of a pyramid, the lower body unit is in the shape of a cuboid, the cross-sectional area of the upper body unit is smaller than that of the lower body unit, and the upper end surface of the upper body unit of the base is fixedly connected with the column pad.

4. The apparatus of claim 1, wherein one end of the connecting block is fixedly connected to the two buckles, and the other end of the connecting block is fixed to one side of the lower body unit of the base, and the connecting block is an aluminum block.

5. The device of claim 1, wherein the cross beam is disposed between two vertical posts, and two holes are disposed at two ends of the cross beam, the two vertical posts respectively pass through two holes on the cross beam, two ends of the cross beam are fixed by the fixing part, and the fixing part is disposed at the outer sides of the vertical posts, and the fixing part is detachable.

6. The device as claimed in claim 1, wherein the four solid angles of the sample valve holder are provided with four identical grooves, the front side of the sample valve holder is provided with the sample valve, the right side of the sample valve holder is provided with the manual knob of the valve holder, and the upper side and the lower side between the sample valves are provided with a through hole.

7. The device of claim 1, wherein the column support slide is provided with a U-shaped groove on one side, the height of the U-shaped groove is matched with the width of the cross beam, and the column support slide slides on the cross beam in the horizontal direction through the U-shaped groove.

8. The device of claim 1, wherein the slide hand knob is located on an upper end side of the column support slide to adjust a horizontal position of the column support slide.

9. The apparatus of claim 1, wherein the knob seat is slidably connected to a side of the column support slide at one end and protrudes from a side of the column support slide at the other end, and the knob seat and the connected side of the column support slide form a recess in which the chromatography column is disposed.

10. The device of claim 1, wherein the column holder hand knob is disposed on a side of the knob seat protrusion to secure the chromatography column.