CN211978781U

CN211978781U - Liquid chromatograph

Info

Publication number: CN211978781U
Application number: CN202020135513.4U
Authority: CN
Inventors: 谭园圆; 马珊珊
Original assignee: Xi'an Oriental Dairy Co ltd
Current assignee: Xi'an Oriental Dairy Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-11-20
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a liquid chromatograph relates to check out test set technical field. It includes body, solvent frame and liquid phase stock solution bottle, the vertical fixed plate that is provided with two mutual parallels of solvent frame top surface is equipped with two clamp plates between two fixed plates, two the clamp plate is arc and the opening that suits with liquid phase stock solution bottle lateral wall and sets up in opposite directions, be connected with the first pressure spring that the level set up between fixed plate and the clamp plate, when first pressure spring is in natural state, the liquid phase stock solution bottle is pressed from both sides tightly between two clamp plates, two the clamp plate is equipped with the lapse subassembly that its mutual keeping away from of drive. The utility model has the advantages of can be with liquid phase stock solution bottle fixed.

Description

Liquid chromatograph

Technical Field

The utility model belongs to the technical field of the check out test set technique and specifically relates to a liquid chromatograph is related to.

Background

A chromatograph is an apparatus for performing chromatographic separation analysis. Comprises a sample introduction system, a detection system, a recording and data processing system, a temperature control system, a mobile phase control system and the like.

Referring to fig. 4, a liquid chromatograph disclosed in the prior art includes a chromatograph body 1 and a solvent rack 2 disposed on a top end of the body 1, wherein a liquid storage bottle 3 is disposed on a top end of the solvent rack 2.

The above prior art solutions have the following drawbacks: the chromatograph is usually placed beside a computer, and the liquid storage bottle can be knocked down by the back and forth movement of personnel, so that liquid is spilled out, and the experiment is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a liquid chromatograph, it has can be with the fixed advantage of liquid phase stock solution bottle.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a liquid chromatograph, includes body, solvent frame and liquid phase stock solution bottle, the vertical fixed plate that is provided with two mutual parallels of solvent frame top surface is equipped with two clamp plates, two between two fixed plates the clamp plate is arc and the opening that suits with liquid phase stock solution bottle lateral wall and sets up in opposite directions, be connected with the first pressure spring that the level set up between fixed plate and the clamp plate, when first pressure spring is in natural state, the liquid phase stock solution bottle is pressed from both sides tightly between two clamp plates, two the clamp plate is equipped with the lapse subassembly that its mutual keeping away from of drive.

Through adopting above-mentioned technical scheme, use and pass that the subassembly can be convenient part two clamp plates, put into the liquid phase stock solution bottle between two clamp plates, under pressure spring's effect, two clamp plates are close to each other, press from both sides the liquid phase stock solution bottle tightly to the fixing of liquid phase stock solution bottle has been realized. The clamp plate is curved setting and more is favorable to the fixed of liquid phase stock solution bottle, has promoted the fixed effect of liquid phase stock solution bottle, and is visible, and this liquid chromatograph is fixed effectual to liquid phase stock solution bottle, and has fixed easy operation, practical advantage.

The present invention may be further configured in a preferred embodiment as: the fixed plate penetrates through a guide rod which is horizontally arranged, the guide rod penetrates through the inside of the pressure spring and is connected with the clamping plates, and the guide rod slides along the direction in which the two clamping plates are close to or far away from each other.

Through adopting above-mentioned technical scheme, the guide bar has restricted that two clamp plates are close to each other or control when keeping away from and has rocked, has promoted its stability that removes the in-process, and the opening skew when having avoided two clamp plates to be close to each other causes the problem of the unable tight liquid phase stock solution bottle of clamp, has promoted the practicality.

The present invention may be further configured in a preferred embodiment as: and one end of the guide rod, which is far away from the clamping plate, is provided with a limiting disc for preventing the guide rod from being separated from the fixing plate.

Through adopting above-mentioned technical scheme, under pressure spring is in the natural state, spacing dish has avoided the guide bar to hold less problem that easily breaks away from in the stretching out of fixed plate, makes simultaneously to reserve between two clamp plates to have a certain interval, and the placing of the liquid phase stock solution bottle of being convenient for has further promoted the practicality.

The present invention may be further configured in a preferred embodiment as: and rubber pads are arranged on the surfaces, opposite to the two clamping plates, of the two clamping plates.

Through adopting above-mentioned technical scheme, the rubber pad has certain deformability, and when it hugs closely with liquid phase stock solution bottle, the rubber pad takes place small deformation under the thrust effect of clamping plate, laminates completely with the lateral wall of liquid phase stock solution bottle, and the effectual frictional force that has increased between the two has promoted the fixed effect of liquid phase stock solution bottle.

The present invention may be further configured in a preferred embodiment as: the recess that is located the horizontal direction is seted up to one side wall of solvent frame, pass the subassembly and include along guide bar length direction offer at the waist shape hole of solvent frame top surface, be connected and run through the vertical pole in waist shape hole and stretch into the recess and with vertical pole bottom connection and the connecting rod of level setting in the recess of clamp plate bottom surface, the connecting rod is perpendicular with the guide bar, the length in waist shape hole is greater than the farthest interval of two clamp plates.

By adopting the technical scheme, the two clamping plates can be conveniently separated from each other by moving the connecting rod, so that the liquid-phase liquid storage bottle can be conveniently placed and fixed, and the kidney-shaped hole and the connecting rod are matched for use, so that the clamping plates are prevented from moving in the vertical direction in the moving process, and the stability of the clamping plates in the moving process is further improved; the pushing assembly is simple in structure, convenient and practical.

The present invention may be further configured in a preferred embodiment as: two moving rods which are respectively connected with the two connecting rods are horizontally arranged between the two connecting rods, the two moving rods are positioned on the same straight line and are vertical to the connecting rods, and when the first pressure spring is in a natural state, the surfaces opposite to the two moving rods are mutually abutted; two just one side slope setting and vertical cross-section that the carriage release lever is the splayed that falls, solvent frame top surface is equipped with the round hole with the recess intercommunication, the axis of round hole is through the positive intermediate position of two carriage release levers, the round hole interpolation is equipped with the cylindrical catch bar of vertical setting, the base of catch bar falls the fillet that suits with two carriage release lever inclined planes, when the catch bar removed towards the direction that is close to the grooved underside, two carriage release levers were promoted and were removed towards the direction of keeping away from each other.

Through adopting above-mentioned technical scheme, press the catch bar, the vertical downstream of catch bar, two carriage release levers are kept away from each other under the effect of catch bar to make the carriage release lever drive two clamp plates and part each other, realized placing and fixing of liquid phase stock solution bottle. This setting makes and presses the catch bar and can part two clamp plates, very big make things convenient for placing operation, promotion the practicality of liquid phase stock solution bottle.

The present invention may be further configured in a preferred embodiment as: the top end of the push rod is connected with a pressing plate with the diameter larger than that of the round hole.

Through adopting above-mentioned technical scheme, avoided the short excessively that the catch bar set up, when causing it to stretch into the recess completely, the problem that can't take out, simultaneously, easily make catch bar rebound through the clamp plate, make two movable rods resume initial position, realize the fixed action of pinch-off blades to the liquid phase stock solution bottle.

The present invention may be further configured in a preferred embodiment as: the push rod is sleeved with a second pressure spring which is vertically arranged and is positioned between the pressing plate and the solvent rack, and when the second pressure spring is in a natural state, the bottommost point of the push rod is higher than the top surface of the movable rod.

Through adopting above-mentioned technical scheme, when the catch bar was impressed in the recess, can resume initial position through second pressure spring to make two carriage release levers be close to each other and make the clamp plate realize the fixed to liquid phase stock solution bottle. The design enables the pressing plate to realize the separation of the two clamping plates, thereby being beneficial to the placement of the liquid phase liquid storage bottle; the two clamping plates can be close to each other by loosening the pressing plates, so that the liquid-phase liquid storage bottle is fixed, the liquid-phase liquid storage bottle is greatly convenient to place and fix, and the practicability is improved.

To sum up, the utility model discloses a beneficial technological effect does:

1. the fixing effect of the clamping plate on the liquid storage bottle is improved by arranging the fixing plate, the clamping plate and the first pressure spring, and the fixing effect of the clamping plate on the liquid storage bottle is improved by arranging the clamping plate into an arc shape and arranging the rubber pad;

2. the stability of the clamping plate in the sliding process is improved by arranging the waist-shaped hole, the vertical rod and the connecting rod; through further arrangement of the moving rod, the round hole and the pushing rod, the clamping plate is convenient to separate, the liquid-phase liquid storage bottle is convenient to place and fix, and the practicability is improved;

3. through setting up clamp plate and round hole second pressure spring, make and press the clamp plate and can part two clamp plates, loosen the clamp plate and can make two clamp plates be close to each other, very big having made things convenient for placing and fixing of liquid phase stock solution bottle, further promoted the practicality.

Drawings

FIG. 1 is a schematic diagram of a liquid chromatograph;

FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;

FIG. 3 is a partial perspective cross-sectional view taken along the plane B-B in FIG. 1;

fig. 4 is a schematic diagram showing the structure of a liquid chromatograph disclosed in the prior art.

Reference numerals: 1. a body; 2. a solvent rack; 3. a liquid phase liquid storage bottle; 4. a fixing plate; 5. a clamping plate; 6. a first pressure spring; 7. a pushing assembly; 71. a waist-shaped hole; 72. a vertical rod; 73. a connecting rod; 8. a guide bar; 9. a limiting disc; 10. a rubber pad; 11. a groove; 12. a travel bar; 13. a circular hole; 14. a push rod; 15. pressing a plate; 16. a second pressure spring; 17. and (7) a cover plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, fig. 2 and fig. 3, for the utility model discloses a liquid chromatograph, including liquid chromatograph body 1 and install solvent frame 2 on body 1 top, the top surface of solvent frame 2 is used for placing liquid phase stock solution bottle 3. In order to realize the fixed of liquid phase stock solution bottle 3 on solvent frame 2, prevent that personnel from making a round trip to walk about and touch liquid phase stock solution bottle 3 and fall, make the fixed plate 4 that has two vertical settings and be parallel to each other on solvent frame 2's top surface an organic whole, be equipped with two clamp plates 5 between two fixed plates 4, two clamp plates 5 are arc and the opening that suits with 3 lateral walls of liquid phase stock solution bottle and set up in opposite directions, and is preferred, and the one side that two clamp plates 5 are just right all bonds there is rubber pad 10. A first pressure spring 6 horizontally arranged is bonded between the fixing plate 4 and the clamping plates 5, when the first pressure spring 6 is in a natural state, the liquid-phase liquid storage bottle 3 is clamped between the two clamping plates 5, and the two clamping plates 5 are provided with a pushing assembly 7 for driving the two clamping plates 5 to be away from each other. Use and pass subassembly 7 can be convenient part two clamp plates 5, put into liquid phase stock solution bottle 3 between two clamp plates 5, under pressure spring's effect, two clamp plates 5 are close to each other, press from both sides liquid phase stock solution bottle 3 tightly to liquid phase stock solution bottle 3's fixing has been realized.

Refer to fig. 2, in order to promote the stability of liquid phase stock solution bottle 3 in the removal in-process, the opening skew when avoiding two clamp plates 5 to be close to each other, cause the problem of the unable tight liquid phase stock solution bottle 3 of clamp, fixed plate 4 runs through the guide bar 8 that has the level to set up, guide bar 8 passes the inside one side bonding of keeping away from rubber pad 10 with clamp plate 5 of pressure spring, guide bar 8 slides along the direction that two clamp plates 5 are close to each other or keep away from, and guide bar 8 keeps away from the one end of clamp plate 5 and is equipped with the spacing dish 9 that prevents guide bar 8 and fixed plate 4 and break away from, spacing dish 9 makes with guide bar 8 an organic.

Referring to fig. 2 and 3, it is troublesome to push the two clamping plates 5 apart by hand and then place the liquid-phase liquid storage bottle 3 for fixing; therefore, as an optimization, a rectangular groove 11 in the horizontal direction is formed in one side wall of the solvent rack 2, and the pushing assembly 7 is specifically arranged as follows: the solvent frame comprises a waist-shaped hole 71 formed in the top surface of the solvent frame 2 along the length direction of the guide rod 8, a vertical rod 72 which is bonded with the bottom surface of the clamping plate 5, penetrates through the waist-shaped hole 71 and extends into the groove 11, and a connecting rod 73 which is bonded with the bottom end of the vertical rod 72 and is horizontally arranged in the groove 11, wherein the connecting rod 73 is perpendicular to the guide rod 8, and the length of the waist-shaped hole 71 is larger than the farthest distance between the two clamping plates 5. Through the above design, the two clamping plates 5 can be conveniently separated from each other by moving the connecting rod 73, so that the liquid-phase liquid storage bottle 3 can be conveniently placed and fixed. In this embodiment, the height of the connecting rod 73 is adapted to the height of the groove 11 in order to improve the stability of the connecting rod during movement.

With reference to fig. 3, the above design, although convenient to operate to some extent, is not convenient enough, and therefore, further improvement and optimization are made: two moving rods 12 which are respectively integrated with the two connecting rods 73 are horizontally arranged between the two connecting rods 73, the two moving rods 12 are positioned on the same straight line and are vertical to the connecting rods 73, and when the first pressure spring 6 is in a natural state, the opposite surfaces of the two moving rods 12 are mutually abutted; the one side slope that two carriage bars 12 just right set up and vertical cross-section is the splayed of falling, and 2 top surfaces of solvent frame are equipped with the round hole 13 with recess 11 intercommunication, and the axis of round hole 13 is through the positive intermediate position of two carriage bars 12, and round hole 13 interpolation is equipped with the cylindrical catch bar 14 of vertical setting, and the base of catch bar 14 falls the fillet that suits with two carriage bars 12 inclined planes. The pushing rod 14 is pressed, the pushing rod 14 vertically moves downwards, and the two moving rods 12 are far away from each other under the action of the pushing rod 14, so that the moving rods 12 drive the two clamping plates 5 to be separated from each other, and the liquid-phase liquid storage bottle 3 is placed and fixed.

Referring to fig. 3, in order to restore the initial position after the movable rod 12 is pressed down, the two clamping plates 5 can be close to each other to clamp the liquid-phase liquid storage bottle 3, and the operation is convenient, a pressing plate 15 with a diameter larger than that of the round hole 13 is integrally formed at the top end of the push rod 14, the push rod 14 is sleeved with a second pressure spring 16 which is vertically arranged and is positioned between the pressing plate 15 and the solvent rack 2, when the second pressure spring 16 is in a natural state, the bottommost point of the push rod 14 is higher than the top surface of the movable rod 12, and two ends of the second pressure spring 16 are respectively bonded with the pressing plate 15 and the solvent rack 2. Through the design, the two clamping plates 5 can be separated by pressing the pressing plate 15, so that the liquid phase liquid storage bottle 3 can be placed conveniently; loosening the pressing plate 15 can make the two clamping plates 5 close to each other, and the fixation of the liquid-phase liquid storage bottle 3 is realized, so that the liquid-phase liquid storage bottle 3 is greatly convenient to place and fix, and the practicability is improved. In this embodiment, for the sake of appearance, a cover plate (see fig. 1) is provided at the opening of the recess 11 to cover the components in the recess 11, and two sets of mechanisms for fixing the liquid phase liquid storage bottle 3 are provided.

The implementation principle of the embodiment is as follows: when the liquid phase liquid storage bottle 3 is placed, the pressing plate 15 is pressed, the pushing rod 14 vertically moves downwards, the two moving rods 12 are far away from each other under the action of the pushing rod 14, so that the moving rods 12 drive the two clamping plates 5 to be separated from each other, and at the moment, the liquid phase liquid storage bottle 3 is placed between the two clamping plates 5; subsequently, the pressure plate 15 is released, the pushing rod 14 moves upwards under the action of the second pressure spring 16, the two moving rods 12 can approach each other, and the two clamping plates 5 approach each other under the action of the first pressure spring 6, so that the liquid phase liquid storage bottle 3 is fixed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a liquid chromatograph, includes body (1), solvent frame (2) and liquid phase stock solution bottle (3), its characterized in that, the vertical fixed plate (4) that are parallel to each other that are provided with of solvent frame (2) top surface is equipped with two clamp plates (5), two between two fixed plate (4) clamp plate (5) are arc and the opening that suits with liquid phase stock solution bottle (3) lateral wall and set up in opposite directions, be connected with first pressure spring (6) that the level set up between fixed plate (4) and clamp plate (5), when first pressure spring (6) are in the natural state, liquid phase stock solution bottle (3) are pressed from both sides tightly between two clamp plates (5), two clamp plate (5) are equipped with its lapse subassembly (7) of keeping away from each other of drive.

2. The liquid chromatograph according to claim 1, characterized in that the fixed plate (4) is penetrated by a horizontally arranged guiding rod (8), the guiding rod (8) is connected with the clamping plates (5) through the inside of the pressure spring, and the guiding rod (8) slides along the direction that the two clamping plates (5) approach or depart from each other.

3. The liquid chromatograph according to claim 2, characterized in that the end of the guide rod (8) remote from the clamping plate (5) is provided with a limiting disc (9) preventing the guide rod (8) from disengaging from the fixed plate (4).

4. The liquid chromatograph according to claim 3, wherein the opposite faces of the two clamping plates (5) are provided with rubber pads (10).

5. The liquid chromatograph according to claim 4, wherein a groove (11) is formed in the side wall of the solvent rack (2) in the horizontal direction, the pushing assembly (7) comprises a waist-shaped hole (71) formed in the top surface of the solvent rack (2) along the length direction of the guide rod (8), a vertical rod (72) connected to the bottom surface of the clamping plate (5) and penetrating through the waist-shaped hole (71) and extending into the groove (11), and a connecting rod (73) connected to the bottom end of the vertical rod (72) and horizontally disposed in the groove (11), the connecting rod (73) is perpendicular to the guide rod (8), and the length of the waist-shaped hole (71) is greater than the farthest distance between the two clamping plates (5).

6. The liquid chromatograph according to claim 5, wherein two moving rods (12) connected to the two connecting rods (73) are horizontally arranged between the two connecting rods (73), the two moving rods (12) are located on the same straight line and perpendicular to the connecting rods (73), and when the first pressure spring (6) is in a natural state, the opposite surfaces of the two moving rods (12) are abutted against each other; two the dead set of one side slope of carriage release lever (12) and vertical cross-section are the splayed of falling, solvent frame (2) top surface is equipped with round hole (13) with recess (11) intercommunication, the axis of round hole (13) is through the positive intermediate position of two carriage release levers (12), round hole (13) interpolation is equipped with cylindrical catch bar (14) of vertical setting, the base of catch bar (14) falls the fillet that suits with two carriage release levers (12) inclined plane, when catch bar (14) removed towards the direction that is close to recess (11) bottom surface, two carriage release levers (12) were promoted and are removed towards the direction of keeping away from each other.

7. The liquid chromatograph according to claim 6, wherein a pressure plate (15) having a diameter larger than that of the circular hole (13) is connected to the top end of the push rod (14).

8. The liquid chromatograph according to claim 7, wherein the push rod (14) is sleeved with a second pressure spring (16) which is vertically arranged and is positioned between the pressure plate (15) and the solvent rack (2), and when the second pressure spring (16) is in a natural state, the lowest point of the push rod (14) is higher than the top surface of the moving rod (12).