CN211348283U

CN211348283U - Automatic application of sample device of fixed dose

Info

Publication number: CN211348283U
Application number: CN201921990809.8U
Authority: CN
Inventors: 肖雅元; 刘永; 李纯厚
Original assignee: South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
Current assignee: South China Sea Fisheries Research Institute Chinese Academy Fishery Sciences
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-25
Anticipated expiration: 2029-11-18

Abstract

The utility model provides an automatic application of sample device of fixed dose, including the shell, adjust the base, the hatch door, the hinge, the motor, the master gear, the screw capping device, the baffle, quick-connect pipe, feed switch, the digital display flowmeter, divide the material pipe, the governing valve, the burette, the fixed plate, the baffle, quantitative rotary device send and cover pipeline, mounting bracket and singlechip. The utility model discloses screw capping device, quick-operation connecting pipe and ration rotary device's setting, simple structure, the adjustment is convenient, and small in size can realize automatic application of sample, can carry out automatic sampling in the open-air environment, and the sampling precision is high, easily realizes sealed environment sample, protection operating personnel's personal safety, and safety and stability is good, the marketing and the application of being convenient for.

Description

Automatic application of sample device of fixed dose

Technical Field

The utility model belongs to the technical field of the application of sample device, especially, relate to an automatic application of sample device of fixed dose.

Background

The sample adding device is a common device for various subjects such as molecular genetics, microbiology, cell biology, biochemistry, chemical engineering, energy science and the like, has a wide application range and comprises the aspects of medicine, food, agriculture and forestry, gardening, chemical industry, metallurgy, oil extraction, environment protection of new substrates and the like.

With the progress of technology, the automatic sample adding equipment is more and more widely applied in the fields of biochemical research, physicochemical property analysis, medical detection and the like, wherein most of automatic sample adding devices are used in laboratories with relatively stable environment, but the sampling environment is not as stable as that of the laboratories under many conditions, such as sampling in offshore oil wells, or in field environments with severe conditions, such as manual sampling, formaldehyde or other volatile chemical reagents with certain toxicity easily cause damage to sampling personnel.

Therefore, the utility model discloses an automatic application of sample device of fixed dose seems very necessary.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an automatic application of sample device of fixed dose to there is the automatic sample taking in field environment in solving current application of sample device, and the sampling precision is poor, is difficult for realizing sealed environment sample, causes the problem of personal harm to operating personnel easily. A fixed-dose automatic sample adding device comprises a shell, an adjusting base, a cabin door, a hinge, a motor, a main gear, a cover screwing device, a partition plate, a quick connecting pipe, a feeding switch, a digital display flowmeter, a material distributing pipe, an adjusting valve, a dropper, a fixing plate, a baffle plate, a quantitative rotating device, a cover feeding pipeline, an installation frame and a single chip microcomputer, wherein the upper part of the shell is of a circular arc structure, and the lower part of the shell is a transparent acrylic shell of a plane structure; the adjusting base is fixed at the bottom of the shell; the cabin door is fixed on the shell through a hinge; the motor is fixed at the circle center position of the inner surface of the bottom plate of the shell; the main gear is arranged on a rotating shaft of the motor; the screwing device is uniformly distributed around the main gear in a ring shape; the clapboard is fixed on the inner wall of the shell; the quick connecting pipe is arranged on one side of the top of the shell, and the top of the quick connecting pipe is provided with threads; the feeding switch is arranged at the upper part of the quick connecting pipe; the digital display flowmeter is fixed below the feeding switch; the material distributing pipe is connected with the tail end of the quick connecting pipe and is horizontally arranged at the top end inside the device;

the regulating valve is arranged on a hole at the bottom of the material distributing pipe; one end of the dropper is connected with the outlet of the regulating valve and penetrates through the fixing plate; the fixed plate is fixed on the inner wall of the middle part of the shell; the baffle is fixed on one side of the fixed plate; the quantitative rotating device is fixed on the mounting frame; the mounting rack is fixed at the top of the shell; the cover conveying pipelines are spirally distributed on the outer surface of the shell;

the single chip microcomputer is arranged at the bottom of the shell and is respectively connected with the steering engine, the motor, the air pressure drive and the digital display flow meter through wires; the screw capping device comprises a rotating shaft, a driven gear, a sleeve, a compression spring, a hinge and a clamping plate, wherein the rotating shaft is fixed at the lower part of the driven gear and is arranged on a bottom plate of the shell; the driven gear is meshed with the main gear; the sleeve is arranged on the upper surface of the driven gear, and the diameter of the sleeve is the same as that of the driven gear; the compression spring is fixed on the inner wall of the sleeve; the clamping plate is fixed on the compression spring through a hinge; the quantitative rotating device comprises a steering engine, a pneumatic cylinder, a bearing, a telescopic rod, a reagent cover mounting plate, an arc-shaped through hole and a resin blocking piece, and the steering engine is mounted on the mounting frame; the pneumatic cylinder is arranged on a rotating shaft of the steering engine; the bearing is arranged at the lower part of the pneumatic cylinder and is embedded at the top end of the shell; the telescopic rod is arranged on the pneumatic cylinder; the reagent cover mounting plate is fixed at the tail end of the telescopic rod; the arc-shaped through holes are uniformly distributed on the reagent cover mounting plate; the resin retaining pieces are arranged at the bottom of the circular-arc through hole and are uniformly distributed on the circumference of the lower end of the through hole.

The bottom of the adjusting base is provided with three adjusting support legs capable of automatically adjusting the height, the bottom of each support leg is made of butadiene acrylonitrile rubber, the three support legs are uniformly distributed on the surface of the adjusting base, and an included angle of one hundred and twenty degrees is formed between every two support legs.

The cabin door and the shell are sealed in a staggered manner, and sealing rubber is arranged on the contact part of the cabin door and the shell.

The sleeve is of a circular structure made of stainless steel; the diameter of the sleeve is the same as the outer diameter of the driven gear; the mounting position of the sleeve is the upper surface of the driven gear and is concentric with the driven gear; the length of the sleeve is from the lower surface of the partition plate to the upper surface of the driven gear.

The surface of the upper end of the quick connecting pipe is distributed with threads, and the threads are single triangular threads.

The clamping plate is a U-shaped plate made of plastic materials, and the surface of the clamping plate is provided with a rubber coating; the thickness of the rubber coating on the surface of the clamping plate is 0.2 cm-0.5 cm; the number of the clamping plates is three, and the clamping plates are arranged on the compression spring through hinges.

The reagent cover mounting plate is of a cylindrical structure; six circular arc-shaped through holes are uniformly distributed on the circumferential edge of the reagent cover mounting plate; the upper part of the circular-arc through hole of the reagent cover mounting plate is provided with a groove, and the thickness of the groove is half of that of the reagent cover mounting plate; the upper end of the circular arc-shaped through hole of the reagent cover mounting plate is provided with a spring pressing sheet; the reagent cover mounting plate is provided with a mounting hole at the center of a circle, and dropper holes are distributed between the two circular-arc through holes.

The resin baffle is a sawtooth structure made of resin materials; the resin baffle is fixed at the bottom of the circumference of the arc-shaped through hole; the resin blocking sheet shrinks towards the arc-shaped through hole to form a funnel-shaped structure.

The cover conveying pipeline is spirally wound outside the shell; the feed port and the discharge port of the cover conveying pipeline are not on a uniform horizontal plane; the reagent cover conveying pipeline conveys reagent covers in a mode of manually and electrically pushing a push rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses adjusting the setting of base, guaranteeing the horizontal precision of device through the length of adjusting three stabilizer blade respectively, when being favorable to taking a sample in the place of relief unevenness such as field, realize the accuracy and add, and then improve the accuracy of experimental result, satisfy the sample requirement of high accuracy.

2. The utility model discloses a telescopic setting, placing and fixing of the test tube of being convenient for seals driven gear to between the baffle through the sleeve to for compression spring provides the mounted position, be favorable to the stability of test tube to deposit, reduce vibrations and rock, improve the accuracy of application of sample measurement, ensure the reliability of experimental result.

3. The utility model discloses a setting of pinch-off blades carries out automatically regulated through the angle of hinge to pinch-off blades to give the certain clamp force of pinch-off blades through pressure spring, make the abundant and test tube contact of rubber coating on pinch-off blades surface, tightly fix the test tube in the through-hole of placing the test tube, be favorable to reducing the possibility that the error takes place, be favorable to the operation of automatic reagent lid of screwing up on next step, avoid careless tumble damage and collide with, guarantee safety in utilization.

4. The utility model discloses a quick connect pipe's setting, the screwed pipe that has through sampling device self forms sealing connection with the device of placing the sample solvent fast, is favorable to reducing the contaminated probability of solvent in the sampling process, makes the sampling process safety and stability more, has ensured operating personnel's security simultaneously.

5. The utility model discloses a setting of reagent lid mounting panel through its unique appearance relation, drives reagent lid mounting panel pivoted in-process at the steering wheel, and the automatic loading of reagent lid can be realized to the circular-arc through-hole of mounting panel edge part, is favorable to reducing artificial labour, improves work efficiency, reduces the artifical possibility of participating in the pollution that causes reagent.

6. The utility model discloses a send the setting of lid pipeline, through the reagent lid that will treat in advance to load and send the lid pipeline, the pipeline winding is in the outside of shell, and progressively impels reagent lid forward through manual or electronic promotion push rod, realizes the automatic of reagent lid and adds.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of the cover conveying pipeline of the present invention.

Fig. 3 is a schematic view of the structure of the reagent cover mounting plate of the present invention.

Fig. 4 is a front view of the screw capping device of the present invention.

Fig. 5 is a top view of the screw capping device of the present invention.

Fig. 6 is a schematic diagram of the electrical connection structure of the present invention.

In the figure:

1-shell, 2-adjusting base, 3-cabin door, 4-hinge, 5-motor, 6-main gear, 7-cover screwing device, 71-rotating shaft, 72-driven gear, 73-sleeve, 74-compression spring, 75-hinge, 76-clamping plate, 8-partition plate, 9-quick connecting pipe, 10-feeding switch, 11-digital display flowmeter, 12-distributing pipe, 13-adjusting valve, 14-dropper, 15-fixing plate, 16-baffle, 17-quantitative rotating device, 171-steering engine, 172-pneumatic cylinder, 173-bearing, 174-telescopic rod, 175-reagent cover mounting plate, 176-circular arc through hole, 177-resin baffle plate, 18-pipeline for feeding cover, 19-mounting frame, 20-single chip microcomputer.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work shall belong to the scope embodiments of the present invention:

as shown in figures 1 to 6

The utility model provides a fixed dose automatic sample adding device, which comprises a shell 1, an adjusting base 2, a cabin door 3, a hinge 4, a motor 5, a master gear 6, a screw capping device 7, a clapboard 8, a quick connecting pipe 9, a feeding switch 10, a digital display flowmeter 11, a material distributing pipe 12, a regulating valve 13, a dropper 14, a fixing plate 15, a baffle 16, a quantitative rotating device 17, a cover conveying pipeline 18, a mounting rack 19 and a single chip microcomputer 20, the device can horizontally adjust the device through the adjusting base 2 at the bottom, so that the device always keeps a horizontal position in the sampling process, a reagent storage device forms a sealing connection with the quick connecting pipe 9 through triangular threads, a reagent is conveyed to the sample adding device, the feeding switch 10 controls the start and stop of the reagent conveying speed and the size, and the reagent counts the reagent volume flowing through the pipeline through the digital display flowmeter 11, at an initial position, the pneumatic cylinder 172 is static, the telescopic rod 174 is at a contraction position, the cover conveying pipeline 18 is not blocked by the baffle 16, the adjustable regulating valve 13 controls the flow rate of the dropper 14, the steering engine 171 rotates, reagent covers enter arc-shaped through holes 176 on the reagent cover mounting plate 175 one by one under the pushing of the cover conveying pipeline 18 and are blocked by the resin blocking sheet 177 to prevent further sliding, after the filling is finished, the pneumatic cylinder 172 inflates air, the telescopic rod 174 extends, the baffle 16 blocks the cover conveying pipeline 18, the dropper 14 straightens and is controlled by the steering engine 171 to be positioned at a specified position, an appropriate angle is deflected to inject the reagent into the test tube, the reagent cover rotates by a set angle to be positioned right above the test tube, the telescopic rod 174 continues to extend to the top end of the test tube, the motor 5 drives the main gear 6 to rotate to further drive the driven gear 72 meshed with the main gear to rotate the test tube, the test tube, after the installation, motor 5 automatic stop, telescopic link 174 contracts, and the reagent lid is dragged by the test tube, drops from resin separation blade 177, accomplishes the application of sample and seals of reagent once, and operating personnel takes out the test tube after the application of sample from hatch door 3, puts into new test tube simultaneously, repeats above-mentioned operation.

The single chip microcomputer 20 is installed at the bottom of the shell 1 and is respectively connected with the steering engine 171, the motor 5 and the air pressure driving and digital display flowmeter 11 through leads, and the model of the single chip microcomputer is STC89C 51.

The hatch door 3 and the shell 1 are sealed in a staggered manner to form concave-convex connection, and the contact part of the hatch door 3 and the shell 1 is provided with sealing rubber, so that the whole sealing performance of the device is guaranteed, the possibility of pollution of the external environment to samples is reduced, and the safety of operators is guaranteed.

The screw capping device 7 comprises a rotating shaft 71, a driven gear 72, a sleeve 73, a compression spring 74, a hinge 75 and a clamping plate 76, wherein the steering engine 171 is of a type MG 995.

The sleeve 73 is an annular structure made of stainless steel, and the diameter of the sleeve 73 is the same as the outer diameter of the driven gear 72; the sleeve 73 is arranged on the upper surface of the driven gear 72 and is concentric with the driven gear 72; this sleeve 73 length is from the lower surface of baffle 8 to driven gear 72's upper surface, and the setting of sleeve 73 is convenient for placing and fixing of test tube, seals driven gear 72 to between the baffle 8 through sleeve 73 to for pressure spring 74 provides the mounted position, be favorable to depositing steadily of test tube, reduce vibrations and rock, improve the accuracy of application of sample measurement, ensure the reliability of experimental result.

The threads are distributed on the surface of the upper end of the quick connecting pipe 9 and are single triangular threads, so that the quick and reliable connection with a sample containing device is facilitated, and the connection reliability under severe environments such as sea or field is guaranteed.

The clamping plate 76 is a U-shaped plate made of plastic materials, a rubber coating is arranged on the surface of the U-shaped plate, and the thickness of the rubber coating on the surface of the clamping plate 76 is 0.2 cm-0.5 cm; and clamping plate 76 quantity is three, install on pressure spring 74 through hinge 75, carry out automatically regulated through hinge 75 to the angle of clamping plate 76, and give certain clamp force of clamping plate 76 through pressure spring 74, make the abundant and test tube contact of rubber coating on clamping plate 76 surface, tightly fix the test tube in the through-hole of placing the test tube, be favorable to reducing the possibility that the error takes place, be favorable to the operation of automatic tightening reagent lid on next step, avoid careless tumble injury and collide with, ensure safe in utilization.

The reagent cover mounting plate 175 is a cylindrical structure, and six circular arc-shaped through holes 176 are uniformly distributed on the circumferential edge of the reagent cover mounting plate 175; this circular-arc through-hole 176 of reagent lid mounting panel 175 department upper portion is the recess, recess thickness is half of reagent lid mounting panel 175 thickness, and the spring preforming is installed to circular-arc through-hole 176 upper end of reagent lid mounting panel 175, reagent lid mounting panel 175 centre of a circle position has the mounting hole, it has the drip tube hole to distribute between two circular-arc through-holes 176, through its unique appearance relation, drive reagent lid mounting panel 175 pivoted in-process at steering wheel 171, the automatic filling of reagent lid can be realized to the circular-arc through-hole 176 of mounting panel edge portion, be favorable to reducing artificial labour, and the work efficiency is improved, reduce the possibility of artifical participation to the pollution that reagent caused.

Resin separation blade 177 is resin material's sawtooth structure, and this resin separation blade 177 is fixed in the bottom of circular-arc through-hole 176 circumference, and resin separation blade 177 contracts to circular-arc through-hole 176, forms hourglass hopper-shaped structure, is favorable to preventing that reagent lid from covering the in-process landing of compensation, is favorable to covering the release with reagent at reagent that the in-process of screwing up is smooth simultaneously, improves the stability of device.

Send and cover pipeline 18 and be the heliciform and encircle the outside at shell 1, should send and cover pipeline 18 feed inlet and discharge gate not on unified horizontal plane, and send and cover pipeline 18 and adopt manual and electronic mode that promotes the push rod to carry out transporting of reagent lid, fill into through the reagent lid that will be used for in advance and send to cover pipeline 18, cover automatic compensation to reagent, be favorable to realizing the automatic interpolation of reagent lid.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The utility model provides an automatic application of sample device of fixed dose which characterized in that: the automatic cover opening and closing device comprises a shell (1), an adjusting base (2), a cabin door (3), hinges (4), a motor (5), a main gear (6), a cover screwing device (7), a partition plate (8), a quick connecting pipe (9), a feeding switch (10), a digital display flow meter (11), a distributing pipe (12), an adjusting valve (13), a burette (14), a fixing plate (15), a baffle plate (16), a quantitative rotating device (17), a cover conveying pipeline (18), a mounting rack (19) and a single chip microcomputer (20), wherein the upper part of the shell (1) is of an arc structure, the lower part of the shell is of a transparent acrylic shell of a plane structure, and the upper part and the lower part; the adjusting base (2) is fixed at the bottom of the shell (1); the cabin door (3) is fixed on the shell (1) through a hinge (4); the motor (5) is fixed at the circle center position of the inner surface of the bottom plate of the shell (1); the main gear (6) is arranged on a rotating shaft of the motor (5); the screwing cover devices (7) are uniformly distributed around the main gear (6) in a circular ring shape; the clapboard (8) is fixed on the inner wall of the shell (1); the quick connecting pipe (9) is arranged on one side of the top of the shell (1), and the top of the quick connecting pipe (9) is provided with threads; the feeding switch (10) is arranged at the upper part of the quick connecting pipe (9); the digital display flowmeter (11) is fixed below the feeding switch (10); the material distributing pipe (12) is connected with the tail end of the quick connecting pipe (9) and is horizontally arranged at the top end inside the device;

the regulating valve (13) is arranged on a hole at the bottom of the material distributing pipe (12); one end of the dropper (14) is connected with the outlet of the regulating valve (13) and penetrates through the fixing plate (15); the fixing plate (15) is fixed on the inner wall of the middle part of the shell (1); the baffle (16) is fixed on one side of the fixed plate (15); the quantitative rotating device (17) is fixed on the mounting rack (19); the mounting rack (19) is fixed at the top of the shell (1); the cover conveying pipelines (18) are spirally distributed on the outer surface of the shell (1);

the single chip microcomputer (20) is arranged at the bottom of the shell (1) and is respectively connected with the steering engine (171), the motor (5), the air pressure drive and the digital display flow meter (11) through wires; the screw capping device (7) comprises a rotating shaft (71), a driven gear (72), a sleeve (73), a compression spring (74), a hinge (75) and a clamping plate (76), wherein the rotating shaft (71) is fixed at the lower part of the driven gear (72) and is arranged on a bottom plate of the shell (1); the driven gear (72) is meshed with the main gear (6); the sleeve (73) is arranged on the upper surface of the driven gear (72), and the diameter of the sleeve is the same as that of the driven gear (72); the compression spring (74) is fixed on the inner wall of the sleeve (73); the clamping plate (76) is fixed on the pressing spring (74) through a hinge (75); the quantitative rotating device (17) comprises a steering engine (171), a pneumatic cylinder (172), a bearing (173), an expansion link (174), a reagent cover mounting plate (175), an arc-shaped through hole (176) and a resin blocking sheet (177), wherein the steering engine (171) is mounted on the mounting frame (19); the pneumatic cylinder (172) is arranged on a rotating shaft of the steering engine (171); the bearing (173) is arranged at the lower part of the pneumatic cylinder (172) and is embedded at the top end of the shell (1); the telescopic rod (174) is arranged on the pneumatic cylinder (172); the reagent cover mounting plate (175) is fixed at the tail end of the telescopic rod (174); the arc-shaped through holes (176) are uniformly distributed on the reagent cover mounting plate (175); the resin blocking sheets (177) are arranged at the bottom of the circular arc-shaped through hole (176) and are uniformly distributed on the circumference of the lower end of the through hole.

2. The fixed-dose automatic sample application device of claim 1, wherein: the bottom of the adjusting base (2) is provided with three adjusting support legs capable of automatically adjusting the height, the bottom of each support leg is made of butadiene acrylonitrile rubber, the three support legs are uniformly distributed on the surface of the adjusting base (2), and an included angle of one hundred and twenty degrees is formed between every two support legs.

3. The fixed-dose automatic sample application device of claim 1, wherein: the cabin door (3) and the shell (1) are sealed in a staggered manner, and sealing rubber is arranged on the contact part of the cabin door (3) and the shell (1).

4. The fixed-dose automatic sample application device of claim 1, wherein: the sleeve (73) is of a circular structure made of stainless steel; the diameter of the sleeve (73) is the same as the outer diameter of the driven gear (72); the sleeve (73) is arranged on the upper surface of the driven gear (72) and is concentric with the driven gear (72); the length of the sleeve (73) is from the lower surface of the partition plate (8) to the upper surface of the driven gear (72).

5. The fixed-dose automatic sample application device of claim 1, wherein: threads are distributed on the surface of the upper end of the quick connecting pipe (9), and the threads are single triangular threads.

6. The fixed-dose automatic sample application device of claim 1, wherein: the clamping plate (76) is a U-shaped plate made of plastic materials, and the surface of the U-shaped plate is provided with a rubber coating; the thickness of the rubber coating on the surface of the clamping plate (76) is 0.2 cm-0.5 cm; the number of the clamping plates (76) is three, and the clamping plates are mounted on the pressing spring (74) through hinges (75).

7. The fixed-dose automatic sample application device of claim 1, wherein: the reagent cover mounting plate (175) is of a cylindrical structure; six arc-shaped through holes (176) are uniformly distributed on the circumferential edge of the reagent cover mounting plate (175); the upper part of the arc-shaped through hole (176) of the reagent cover mounting plate (175) is provided with a groove, and the thickness of the groove is half of that of the reagent cover mounting plate (175); the upper end of the circular arc-shaped through hole (176) of the reagent cover mounting plate (175) is provided with a spring pressing sheet; the reagent cover mounting plate (175) is provided with a mounting hole at the circle center position, and a dropper hole is distributed between the two circular arc-shaped through holes (176).

8. The fixed-dose automatic sample application device of claim 1, wherein: the resin baffle sheet (177) is of a zigzag structure made of resin materials; the resin baffle plate (177) is fixed at the bottom of the circumference of the circular arc-shaped through hole (176); the resin blocking sheet (177) shrinks towards the arc-shaped through hole (176) to form a funnel-shaped structure.

9. The fixed-dose automatic sample application device of claim 1, wherein: the cover conveying pipeline (18) is spirally wound outside the shell (1); the feed inlet and the discharge outlet of the cover conveying pipeline (18) are not on a uniform horizontal plane; the reagent cover conveying pipeline (18) conveys reagent covers in a mode of manually and electrically pushing a push rod.