CN216559926U - Sample introduction device, solution preparation turntable device and solution preparation system thereof - Google Patents

Abstract

The utility model relates to the technical field of standard solution preparation, in particular to a sample injection device, a solution preparation turntable device and a solution preparation system thereof. The utility model is convenient to use, can accurately prepare standard solution, can save production cost and improve the general applicability of equipment.

Description

Sample introduction device, solution preparation turntable device and solution preparation system thereof

Technical Field

The utility model relates to the technical field of standard solution preparation, in particular to a sample feeding device, a solution preparation turntable device and a solution preparation system thereof.

Background

The standard solution refers to a series of solutions with known concentration, and is widely used for quantitative analysis such as biochemical analysis and medical inspection. At present, the preparation mode of the standard solution still depends on manual operation, and the process of transferring and taking the mother solution or weighing the solute is influenced by subjective judgment of an operator, so that the final volume of constant volume has certain difference.

Chinese patent publication No. CN207248756U discloses a high-precision automatic standard solution diluting device, which includes: comprises a first mechanical arm and a first high-precision quantitative liquid taking device arranged on the first mechanical arm; the first high-precision quantitative liquid taking device comprises a first push rod, one end of the first push rod is connected with a first linear servo motor, and the other end of the first push rod is connected with a piston of a first high-precision injector; the solvent liquid adding module comprises a second mechanical arm and a second high-precision quantitative liquid taking device arranged on the second mechanical arm; the second high-precision quantitative liquid taking device comprises a second push rod, one end of the second push rod is connected with the second linear servo motor, and the other end of the second push rod is connected with a piston of the second high-precision injector; the blending module comprises an oscillator and a turntable arranged on the oscillator; test tube placing hole sites are arranged on the rotary disc; the control module is connected with a driving motor of the first mechanical arm, the first linear servo motor, a driving motor of the second mechanical arm, the second linear servo motor and the oscillator.

But the mechanical arm cost is high in the above scheme, and the standard solution diluting device is inconvenient to popularize and use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a sample feeding device, a solution preparation turntable device and a solution preparation system thereof, which are convenient to use, can accurately prepare standard solutions, can save production cost and improve the general applicability of equipment.

In order to solve the technical problems, the utility model adopts the technical scheme that:

the utility model provides a sample injection device, includes the sample injector, still includes pushing mechanism, two-dimentional stop gear, guiding mechanism, a actuating mechanism, an actuating mechanism is connected with guiding mechanism, pushing mechanism is connected with guiding mechanism through two-dimentional stop gear, pushing mechanism is connected with the sample injector.

Preferably, the two-dimensional limiting mechanism comprises an X-direction limiting moving assembly and a Y-direction limiting moving assembly, a fixed end of the X-direction limiting moving assembly is connected with a fixed end of the guide mechanism, a moving end of the X-direction limiting moving assembly is connected with a fixed end of the Y-direction limiting moving assembly, and a fixed end of the pushing mechanism is also connected with a fixed end of the Y-direction limiting moving assembly; the X is to the removal end sliding connection of spacing removal subassembly and Y, just guiding mechanism's direction end is connected to the removal end of spacing removal subassembly with Y.

Preferably, the X-direction limiting moving assembly comprises a first slide rail and a first slide block connected with the first slide rail, and the Y-direction limiting moving assembly comprises a second slide rail and a second slide block connected with the second slide rail; the first sliding rail is arranged on the fixed end of the guide mechanism; one end of the second sliding rail is connected with the first sliding block, and the other end of the second sliding rail is connected with the pushing mechanism; the first sliding block is provided with a waist-shaped hole, and the second sliding block penetrates through the waist-shaped hole and then is connected with the guide end of the guide mechanism.

Preferably, the guide mechanism comprises a guide frame and a swing arm, a guide hole is formed in the guide frame, a first end of the swing arm is connected with the first driving mechanism, and a second end of the swing arm is slidably arranged in the guide hole; and the second sliding block is connected with a cam bearing, and the cam bearing penetrates through the kidney-shaped hole and then is connected with the second end of the swing arm.

Preferably, the sample injector comprises a liquid storage tube and a push rod arranged in the liquid storage tube in a sliding manner, the fixed end of the pushing mechanism is connected with the liquid storage tube, and the pushing end of the pushing mechanism is connected with the push rod; the fixed end of the pushing mechanism is also connected with the two-dimensional limiting mechanism.

Preferably, the pushing mechanism comprises a cylinder seat, a piston rod connected with the cylinder seat and a clamping seat connected with the cylinder seat; the push rod is connected with the piston rod, and the liquid storage tube is connected with the clamping seat.

The utility model also provides a solution preparation turntable device which comprises a turntable, wherein the turntable comprises a turntable body and a second driving mechanism connected with the turntable body, and the solution preparation turntable device also comprises a clamping mechanism, an oscillating mechanism, a heat dissipation mechanism and a temperature measurement mechanism, wherein the clamping mechanism is connected with the turntable body, the oscillating mechanism is positioned below the clamping mechanism, and the heat dissipation mechanism and the temperature measurement mechanism are both arranged close to the turntable body.

Preferably, the oscillating mechanism comprises an ultrasonic oscillator and a lifting component connected with the ultrasonic oscillator; the bottom of fixture is equipped with and can holds ultrasonic oscillator stretches into the breach structure.

Preferably, a plurality of hole sites are arranged on the tray body; the clamping mechanism comprises a plurality of bottom plates and clamping pieces, the notch structures are arranged on the bottom plates, the bottom plates are located right below the hole sites in a one-to-one correspondence mode, and the bottom plates are connected with the tray body through connecting rods; the clamping end of the clamping piece is also positioned right below the hole position, and the fixed end of the clamping piece is connected with the disc body; the clamping piece comprises a clamping block and a fixing block elastically connected with the clamping block, the clamping block is located right below the hole position, and the fixing block is connected with the disc body.

The utility model also provides a solution preparation system which comprises the sample injection device and the solution preparation turntable device, wherein the sample injection device is arranged on two sides of the solution preparation turntable device.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model relates to a sample introduction device, a solution preparation turntable device and a solution preparation system thereof, wherein the sample introduction device pushes a sample injector through a pushing mechanism to carry out quantitative sample introduction of a solute or a solvent, and a first driving mechanism drives a guide mechanism and a two-dimensional limiting mechanism to move in sequence, so that the directional movement of the pushing mechanism and the sample injector can be realized, and the sample introduction convenience of the sample introduction device is improved; the clamping mechanism of the solution preparation turntable device is used for clamping container bottles placed on the turntable, so that the container bottles are prevented from shifting, the oscillating mechanism can be used for oscillating the container bottles, the temperature measuring mechanism can be used for detecting the temperature of the container bottles when solutes or solvents are dripped, and if the temperature is too high, the heat dissipation mechanism can dissipate heat and cool.

Drawings

FIG. 1 is a schematic structural diagram of a sample injection device according to the present invention;

FIG. 2 is a schematic structural view of another view angle of a sample injection device according to the present invention;

FIG. 3 is a schematic structural view of the clamping seat of the present invention;

FIG. 4 is a schematic structural view of a solution preparation turntable device according to the present invention;

FIG. 5 is an enlarged view of portion I of FIG. 4;

FIG. 6 is a front view of a solution preparation carousel apparatus of the present invention;

FIG. 7 is a schematic diagram of a solution preparation system according to the present invention.

The graphic symbols are illustrated as follows:

1001-sample introduction device, 1-sample injector, 11-liquid storage tube, 12-push rod, 2-pushing mechanism, 21-cylinder seat, 22-piston rod, 23-clamping seat, 231-seat body, 232-clamping sheet, 233-limiting block, 234-clamping block, 24-connecting plate, 3-two-dimensional limiting mechanism, 31-X-direction limiting moving component, 311-first sliding rail, 312-first sliding block, 3121-kidney-shaped hole, 32-Y-direction limiting moving component, 321-second sliding rail, 322-second sliding block, 323-cam bearing, 4-guiding mechanism, 41-guiding frame, 411-base plate, 4111-guiding hole, 412-support, 42-swing arm, 5-first driving mechanism, 1002-turntable device, 6-rotating disk, 61-disk body, 611-hole site, 62-second driving mechanism, 7-clamping mechanism, 71-bottom plate, 711-notch structure, 72-connecting rod, 73-clamping piece, 731-clamping block, 732-fixed block, 8-oscillating mechanism, 81-ultrasonic oscillator, 82-lifting component, 9-heat dissipation mechanism, 10-temperature measuring mechanism and 1003-objective table.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

Example 1

Fig. 1 to 3 show a first embodiment of a sample injector according to the present invention, which includes a sample injector 1, a pushing mechanism 2, a two-dimensional limiting mechanism 3, a guiding mechanism 4, and a first driving mechanism 5, wherein the first driving mechanism 5 is connected to the guiding mechanism 4, the pushing mechanism 2 is connected to the guiding mechanism 4 through the two-dimensional limiting mechanism 3, and the pushing mechanism 2 is connected to the sample injector 1.

Sample injection device promotes sample injector 1 through pushing mechanism 2 and can carry out the quantitative sampling of solute or solvent, and first actuating mechanism 5 can realize pushing mechanism 2 and the directional removal of sample injector 1 through the removal of driving guiding mechanism 4, two-dimentional stop gear 3 in proper order, improves sample injection device's the kind convenience.

In addition, the two-dimensional limiting mechanism 3 comprises an X-direction limiting moving assembly 31 and a Y-direction limiting moving assembly 32, wherein the fixed end of the X-direction limiting moving assembly 31 is connected with the fixed end of the guide mechanism 4, the moving end of the X-direction limiting moving assembly 31 is connected with the fixed end of the Y-direction limiting moving assembly 32, and the fixed end of the pushing mechanism 2 is also connected with the fixed end of the Y-direction limiting moving assembly 32; the moving end of the X-direction limiting moving assembly 31 is connected with the moving end of the Y-direction limiting moving assembly 32 in a sliding mode, and the guide end of the guide mechanism 4 is connected with the moving end of the Y-direction limiting moving assembly 32.

The X-direction limiting moving assembly 31 and the Y-direction limiting moving assembly 32 enable the sample injector 1 to keep a vertical state in the moving process, and liquid leakage or collision with a container bottle is prevented; the setting of guiding mechanism 4 can drive injector 1 and remove on two-dimentional stop gear 3, realizes the absorption, the appearance of sample and the rinse of solute or solvent.

Example 2

The embodiment is similar to embodiment 1, except that the X-direction limiting moving assembly 31 in this embodiment includes a first slide rail 311 and a first slider 312 connected with the first slide rail 311, and the Y-direction limiting moving assembly 32 includes a second slide rail 321 and a second slider 322 connected with the second slide rail 321; the guide mechanism 4 includes a guide frame 41 and a swing arm 42, the guide frame 41 includes a base 411 and a bracket 412 connected to the base 411, and the base 411 is provided with an inverted U-shaped guide hole 4111.

As shown in fig. 1 and 2, the first slide rail 311 is mounted on the substrate 411; the first end of the second sliding rail 321 is connected with the first sliding block 312, and the second end of the second sliding rail 321 is connected with the pushing mechanism 2; a fixed seat of the first driving mechanism 5 is connected with the base plate 411, a first end of the swing arm 42 penetrates through the base plate 411 and then is connected with an output end of the first driving mechanism 5, and a second end of the swing arm 42 is slidably arranged in the guide hole 4111; the first slider 312 is provided with a kidney-shaped hole 3121, the second slider 322 is further connected with a cam bearing 323, and the cam bearing 323 passes through the kidney-shaped hole 3121 and then is connected with the second end of the swing arm 42. The first drive mechanism 5 in this embodiment is a servo motor.

During the use, first actuating mechanism 5 drive swing arm 42 removes in guiding hole 4111, and then drives injector 1 and pushing mechanism 2 through two-dimentional stop gear 3 and carry out reciprocating motion in guiding hole 4111, realizes getting liquid and advance a kind.

The sample injector 1 comprises a liquid storage pipe 11 and a push rod 12 arranged in the liquid storage pipe 11 in a sliding manner, and the pushing mechanism 2 comprises a cylinder seat 21, a piston rod 22 connected with the cylinder seat 21 and a clamping seat 23 connected with the cylinder seat 21; the push rod 12 is connected with the piston rod 22, and the liquid storage tube 11 is connected with the clamping seat 23; the second end of the second slide rail 321 is connected to the latch holder 23 through the connecting plate 24.

As shown in fig. 3, the fastening seat 23 includes a seat 231, and further includes a fastening sheet 232, a limiting block 233, and a fastening block 234 sequentially connected to the seat 231 from top to bottom; the base 231 is L-shaped, the clamping piece 232 is located at the uppermost end of the base 231, the clamping piece 232 is connected with the cylinder seat 21, the piston rod 22 sequentially passes through the clamping piece 232 and the limiting block 233 and then is connected with the push rod 12, and the protruding part on the push rod 12 is located in the limiting block 233 and used for limiting the moving stroke of the push rod 12; the liquid storage tube 11 is clamped at the clamping block 234.

When the sampler is used, a container bottle loaded with solute or solvent is placed at a position close to the first end of the guide hole 4111, a container bottle loaded with standard solution is placed at a position close to the second end of the guide hole 4111, when the sampler 1 moves to the first end of the guide hole 4111, the bottom of the liquid storage tube 11 is immersed into the solute or solvent, and then the piston rod 22 moves upwards to drive the push rod 12 to move upwards so as to suck and take liquid of the solute or solvent; then the sample injector 1 is moved to the second end of the guiding hole 4111 through the two-dimensional limiting mechanism 3 and the swing arm 42, at this time, the bottom of the liquid storage tube 11 is inserted into a container bottle for loading standard solution, and then the piston rod 22 is moved downwards to drive the push rod 12 to move downwards to realize quantitative sample injection of solute or solvent.

Example 3

Fig. 4 to 6 show a first embodiment of a solution preparation turntable device according to the present invention, which includes a turntable 6, the turntable 6 includes a turntable body 61 and a second driving mechanism 62 connected to the turntable body 61, and further includes a clamping mechanism 7, an oscillating mechanism 8, a heat dissipation mechanism 9, and a temperature measurement mechanism 10, the clamping mechanism 7 is connected to the turntable body 6, the oscillating mechanism 8 is located below the clamping mechanism 7, and the heat dissipation mechanism 9 and the temperature measurement mechanism 10 are both disposed close to the turntable body 6. As shown in fig. 4, the heat dissipating mechanism 9 is also located below the chucking mechanism 7.

Fixture 7 is used for the centre gripping to place the container bottle that is used for loading on carousel 6 and prepares solution, prevents to take place to shift, and oscillation mechanism 8 then can be used for oscillating the container bottle, and temperature measurement mechanism 10 can be used for detecting the temperature of solute or solvent dropping time container bottle, if the high temperature, and accessible heat dissipation mechanism 9 dispels the heat and cools down, reduces because the preparation error that the high temperature brought. In this embodiment, the temperature measuring mechanism 10 is an infrared thermometer, and the heat dissipating mechanism 9 is a heat dissipating fan.

Wherein, the oscillating mechanism 8 comprises an ultrasonic oscillator 81 and a lifting component 82 connected with the ultrasonic oscillator 81; the bottom of the clamping mechanism 7 is provided with a notch structure 711 into which the ultrasonic oscillator 81 can be inserted. Specifically, the fixed end of the ultrasonic oscillator 81 is connected with the lifting end of the lifting assembly 82, the oscillation end of the ultrasonic oscillator 81 is connected with a plurality of conducting pieces, and the notch structure 711 is sized to accommodate the conducting pieces. It should be noted that the lifting assembly 82 may be a cylinder assembly, a rack and pinion assembly, or other assemblies capable of lifting, and is not limited herein.

When the container bottle vibrating device is used, the rotating disc 6 rotates to enable a container bottle to be vibrated to be positioned right above the vibrating mechanism 8, the ultrasonic oscillator 81 is lifted through the lifting assembly 82, the conducting piece extends into the notch structure 711 and is in contact with the container bottle, and then the ultrasonic oscillator 81 is started to realize the vibration of the container bottle; after the oscillation is completed, the ultrasonic oscillator 81 is lowered by the lifting unit 82 to wait for the next oscillation.

Example 4

The embodiment is similar to embodiment 3, except that in this embodiment, a plurality of holes 611 for placing the container bottles are arranged on the tray body 61; the clamping mechanism 7 comprises a plurality of bottom plates 71 and clamping pieces 73, the bottom plates 71 are correspondingly positioned right below the hole positions 611 one by one, the bottom plates 71 are connected with the disc body 61 through connecting rods 72, and the notch structures 711 are arranged on the bottom plates 71; the clamping end of the clamping member 73 is also located right below the hole 611, and the fixed end of the clamping member 73 is connected with the bottom of the disc body 61.

As shown in fig. 5, a plurality of clamping members 73 are arranged at the hole position 611 along the circumferential direction, each clamping member 73 comprises a clamping block 731 and a fixing block 732, one end of each clamping block 731 is connected with the fixing block 732 through a torsion spring, the other end of each clamping block 731 is used for clamping the container bottle and is located right below the hole position 611, and the fixing block 732 is connected with the tray body 61.

Example 5

Fig. 7 shows an embodiment of a solution preparation system according to the present invention, which includes the sample injection device 1001 of embodiment 1 or 2, the solution preparation turntable device 1002 of embodiment 3 or 4, and the object stage 1003, wherein the sample injection device 1001 is connected to the object stage 1003 through the guide frame 41, the solution preparation turntable device 1002 is connected to the object stage 1003 through the middle of the turntable 6, and there are two sample injection devices 1001, and the two sample injection devices 1001 are respectively located at two sides of the solution preparation turntable device 1002 and are respectively used for injecting the solute and the solvent; the sample injector 1 and the pushing mechanism 2 are both positioned above the rotating disc 6, so that sample injection is facilitated.

As shown in fig. 7, the fixed end of the lifting unit 82 is also fixed to the stage 1003, and the heat dissipation mechanism 9 and the temperature measurement mechanism 10 are also fixed to the stage 1003; the temperature measuring mechanism 10 is located at a position close to the sample injection device 1001, and a detection end of the temperature measuring mechanism 10 faces the clamping mechanism 7 and is used for detecting the temperature of the container bottle clamped at the clamping mechanism 7.

When the device is used, the rotating disc 6 rotates to enable the container bottle arranged on the rotating disc to sequentially rotate to a solute sample injection position, a solvent sample injection position and an oscillation position, so that quantitative addition of solute, quantitative addition of solvent and oscillation shaking are sequentially realized.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a sampling device, includes injector (1), its characterized in that still includes pushing mechanism (2), two-dimentional stop gear (3), guiding mechanism (4), first actuating mechanism (5) are connected with guiding mechanism (4), pushing mechanism (2) are connected with guiding mechanism (4) through two-dimentional stop gear (3), pushing mechanism (2) are connected with injector (1).

2. The sampling device according to claim 1, wherein the two-dimensional limiting mechanism (3) comprises an X-direction limiting moving assembly (31) and a Y-direction limiting moving assembly (32), a fixed end of the X-direction limiting moving assembly (31) is connected with a fixed end of the guiding mechanism (4), a moving end of the X-direction limiting moving assembly (31) is connected with a fixed end of the Y-direction limiting moving assembly (32), and a fixed end of the pushing mechanism (2) is also connected with a fixed end of the Y-direction limiting moving assembly (32); the X-direction limiting moving assembly (31) is connected with the Y-direction limiting moving assembly (32) in a sliding mode, and the guide end of the guide mechanism (4) is connected with the Y-direction limiting moving assembly (32) in a sliding mode.

3. The sample feeding device according to claim 2, wherein the X-direction limiting moving assembly (31) comprises a first slide rail (311) and a first slide block (312) connected with the first slide rail (311), and the Y-direction limiting moving assembly (32) comprises a second slide rail (321) and a second slide block (322) connected with the second slide rail (321);

the first sliding rail (311) is arranged on the fixed end of the guide mechanism (4); one end of the second sliding rail (321) is connected with the first sliding block (312), and the other end of the second sliding rail is connected with the pushing mechanism (2); the first sliding block (312) is provided with a waist-shaped hole (3121), and the second sliding block (322) penetrates through the waist-shaped hole (3121) and then is connected with the guide end of the guide mechanism (4).

4. The sample injection apparatus according to claim 3, wherein the guiding mechanism (4) comprises a guiding frame (41) and a swing arm (42), the guiding frame (41) is provided with a guiding hole (4111), a first end of the swing arm (42) is connected to the first driving mechanism (5), and a second end of the swing arm (42) is slidably disposed in the guiding hole (4111); the second sliding block (322) is connected with a cam bearing (323), and the cam bearing (323) penetrates through the kidney-shaped hole (3121) and then is connected with the second end of the swing arm (42).

5. The sample injection device according to claim 1, wherein the sample injector (1) comprises a liquid storage tube (11) and a push rod (12) slidably disposed in the liquid storage tube (11), the fixed end of the pushing mechanism (2) is connected to the liquid storage tube (11), and the pushing end of the pushing mechanism (2) is connected to the push rod (12); the fixed end of the pushing mechanism (2) is also connected with the two-dimensional limiting mechanism (3).

6. The sampling device according to claim 5, characterized in that the pushing mechanism (2) comprises a cylinder block (21) and a piston rod (22) connected with the cylinder block (21), and further comprises a clamping seat (23) connected with the cylinder block (21); the push rod (12) is connected with the piston rod (22), and the liquid storage tube (11) is connected with the clamping seat (23).

7. The utility model provides a solution preparation carousel device, includes carousel (6), carousel (6) include disk body (61) and with second actuating mechanism (62) that disk body (61) are connected, its characterized in that still includes fixture (7), oscillating mechanism (8), heat dissipation mechanism (9), temperature measurement mechanism (10), fixture (7) are connected with disk body (61), oscillating mechanism (8) are located the below of fixture (7), heat dissipation mechanism (9), temperature measurement mechanism (10) are all close to disk body (61) set up.

8. The solution preparation carousel according to claim 7, wherein the oscillating mechanism (8) comprises an ultrasonic oscillator (81) and a lifting assembly (82) connected to the ultrasonic oscillator (81); and a notch structure (711) capable of accommodating the ultrasonic oscillator (81) to extend into is arranged at the bottom of the clamping mechanism (7).

9. The solution preparation carousel according to claim 8, wherein the disk body (61) is provided with a plurality of holes (611); the clamping mechanism (7) comprises a plurality of bottom plates (71) and clamping pieces (73), the notch structures (711) are arranged on the bottom plates (71), the bottom plates (71) are correspondingly positioned right below the hole sites (611) one by one, and the bottom plates (71) are connected with the tray body (61) through connecting rods (72); the clamping end of the clamping piece (73) is also positioned right below the hole position (611), and the fixed end of the clamping piece (73) is connected with the disc body (61);

the clamping piece (73) comprises a clamping block (731) and a fixing block (732) elastically connected with the clamping block (731), the clamping block (731) is located right below the hole position (611), and the fixing block (732) is connected with the disc body (61).

10. A solution preparation system, comprising a sample introduction device (1001) according to any one of claims 1 to 6, and further comprising a solution preparation carousel device (1002) according to any one of claims 7 to 9, wherein the sample introduction device (1001) is disposed on both sides of the solution preparation carousel device (1002).

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