CN211148167U

CN211148167U - Sampling device for chemical analysis

Info

Publication number: CN211148167U
Application number: CN201922131136.7U
Authority: CN
Inventors: 何福海
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-31
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a sampling device for chemical analysis, the on-line screen storage device comprises a base, the base above be close to the fixed casing that is equipped with in middle of the side of back, the casing in be equipped with elevating gear, elevating gear stretch out the casing in the front one serve and be equipped with the horizontal pole, the other end of horizontal pole on be equipped with and absorb pusher, the base above and be located and absorb pusher and be equipped with and place fixing device one under, the base above and be located the other end of keeping away from and place fixing device one and be equipped with and place fixing device two, place fixing device one and place two structure samely of fixing device, place fixing device one on place and be equipped with the stock solution bottle, place fixing device two on place and be equipped with the sampling bottle. The utility model has the advantages that: has the advantages of simple structure, convenient operation, suitability for placing containers with various sizes, less danger to human bodies, wider application range and the like.

Description

Sampling device for chemical analysis

Technical Field

The utility model relates to a chemical analysis equipment technical field specifically indicates a sampling device for chemical analysis.

Background

Chemical analysis, i.e., the process of studying the chemical reactions or other properties of some chemical substances. Chemical analysis typically requires sampling of the chemical species.

The existing sampling device for liquid chemical substances is basically used for directly sucking the liquid chemical substances by using an injector, and the mode can only be used for sucking the chemical substances which are harmless to human bodies, and when the sampling device for the liquid chemical substances samples harmful substances to the human bodies, the mode is dangerous, and the chemical substances are easily splashed onto the skin, so that the harm is caused to the human bodies; moreover, some existing sampling devices are fixed in height, can only be used for sampling chemical substances in a high container, and are small in application range.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve foretell various problems, provide a simple structure, simple operation, be applicable to placing of multiple size container, dangerous less, the wide sampling device for chemical analysis of application scope to the human body.

In order to solve the technical problem, the utility model provides a technical scheme does: a sampling device for chemical analysis comprises a base, wherein a shell is fixedly arranged on the upper surface of the base close to the middle of the rear side edge, a lifting device is arranged in the shell, one end of the lifting device extending out of the front surface of the shell is provided with a cross rod, the other end of the cross rod is provided with a suction pushing device, a first placing and fixing device is arranged on the upper surface of the base and under the suction pushing device, a second placing and fixing device is arranged on the upper surface of the base and at the other end far away from the first placing and fixing device, the first placing and fixing device and the second placing and fixing device have the same structure, a raw liquid bottle is placed on the first placing and fixing device, a sampling bottle is placed on the second placing and fixing device, the suction pushing device comprises a square through hole arranged on the upper surface of the other end of the cross rod, and screw holes I are arranged on the front side, the screw rod I is connected with a screw rod I in a threaded manner, one end of the screw rod I extending into the square through hole is provided with a clamping plate I which slides in the square through hole in a rotating manner, the clamping plate I is clamped between the clamping plate I and provided with an injector main body, a piston rod is arranged inside the injector main body, a one-way valve I is communicated below the injector main body, a liquid inlet head is communicated below the one-way valve I, hydraulic cylinders are fixedly arranged on the upper surface of the cross rod and positioned at two opposite side edges of the square through hole, a square frame body is fixedly arranged between the extending ends of the hydraulic cylinders, a screw hole II is arranged in the middle of the opposite side surfaces of the square frame body, a screw rod II is arranged in the screw hole II in a threaded manner, one end of the screw rod II extending into the square frame body is rotatably connected with a clamping plate II, and the clamping plate, the relative side of grip block two on all be equipped with the piston rod upper end male recess of being convenient for one, the syringe main part side lower extreme department intercommunication that is close to the casing be equipped with check valve two, the other end intercommunication of check valve two be equipped with the pipeline, the other end of pipeline insert in the sample bottle, the other end of feed liquor head insert in the raw liquid bottle.

As an improvement, the lifting device comprises a third screw rod rotatably arranged between the upper center and the lower center inside the shell, a crank is fixedly arranged at one end of the third screw rod extending out of the upper surface of the shell, a nut is arranged on the third screw rod in a threaded connection manner, a strip-shaped through hole is arranged in the front of the shell and corresponds to the third screw rod, a slide rail extending out of the strip-shaped through hole is fixedly arranged in the front of the nut, and one end of the cross rod close to the shell is fixed at the other end of the slide rail.

As an improvement, the first placing and fixing device comprises a circular groove arranged on the base, a plurality of layers of springs are arranged on the bottom surface of the circular groove from the center to the edge, an annular plate is fixedly arranged on each layer of springs, a circular plate is arranged on the springs at the center, and the raw liquid bottle and the sampling bottle are placed on a plane formed by the annular plate and the circular plate.

As an improvement, the first check valve is communicated with the syringe body from the liquid inlet in a one-way mode, and the second check valve is communicated with the sampling bottle in a one-way mode from the syringe body.

Compared with the prior art, the utility model the advantage lie in: when the utility model is used, the lifting device is suitable for sampling chemical substances in containers with different heights, and the application range is wider; the screw rod I and the clamping plate I are arranged to facilitate clamping and fixing of syringe main bodies with different diameters; the arrangement of the hydraulic cylinder, the square frame body, the screw rod II and the clamping plate II can facilitate the replacement of the injector main body on one hand, and can clamp the upper end of the piston rod on the other hand, so that the piston rod can automatically do piston motion through the extension and retraction of the hydraulic cylinder, and the chemical liquid is sampled; the arrangement of the first placing and fixing device and the second placing and fixing device can facilitate the placement of various containers with different diameters, and the application range is wide; the one-way valve I and the one-way valve II are arranged, so that the syringe main body can be pulled by the piston rod to pump a small part of liquid in the raw liquid bottle into the syringe main body, then the piston rod is pressed down, and the liquid enters the sampling bottle through the pipeline; the utility model discloses holistic setting can make the staff with highly fixed good back, alright keep away from the base, make the utility model discloses by oneself control alright sample, greatly reduced the danger of sample.

Drawings

Fig. 1 is a schematic front view of the sampling device for chemical analysis according to the present invention.

Fig. 2 is a schematic view of the front view internal structure of a sampling device for chemical analysis according to the present invention.

Fig. 3 is a schematic view of the second screw and the second clamping plate of the sampling device for chemical analysis according to the present invention.

Fig. 4 is a schematic view of a first screw and a first clamping plate of a sampling device for chemical analysis according to the present invention.

Fig. 5 is a schematic diagram of a partially enlarged structure at a position a of the sampling device for chemical analysis according to the present invention.

Fig. 6 is a schematic diagram of a local enlarged structure at a position B of the sampling device for chemical analysis according to the present invention.

As shown in the figure: 1. a base; 2. a housing; 3. a cross bar; 4. a stock solution bottle; 5. sampling a bottle; 6. a square through hole; 7. a first screw rod; 8. a first clamping plate; 9. a syringe body; 10. a piston rod; 11. a one-way valve I; 12. a liquid inlet head; 13. a hydraulic cylinder; 14. a square frame body; 15. a second screw; 16. a second clamping plate; 17. a first groove; 18. a second one-way valve; 19. a pipeline; 20. a third screw; 21. a crank; 22. a nut; 23. a strip-shaped through hole; 24. a slide rail; 25. a circular groove; 26. a spring; 27. an annular plate; 28. a circular plate.

Detailed Description

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

With reference to the attached

drawings

1, 2, 3, 4, 5 and 6, the sampling device for chemical analysis comprises a base 1, a shell 2 is fixedly arranged on the upper surface of the base 1 near the middle of the rear side edge, a lifting device is arranged in the shell 2, a cross rod 3 is arranged at one end of the lifting device extending out of the front surface of the shell 2, a suction pushing device is arranged at the other end of the cross rod 3, a placing and fixing device I is arranged on the upper surface of the base 1 and under the suction pushing device, a placing and fixing device II is arranged on the upper surface of the base 1 and at the other end far away from the placing and fixing device I, the placing and fixing device I and the placing and fixing device II have the same structure, a raw material bottle 4 is placed on the placing and fixing device I, a sampling bottle 5 is placed on the placing and fixing device II, the suction pushing device comprises a square through hole 6 arranged on the other end of the cross rod 3, the front side and the rear side of the cross rod 3 and the position corresponding to the square through hole 6 are respectively provided with a first threaded hole, the first threaded hole is internally connected with a first screw rod 7, one end of the first screw rod 7 extending into the square through hole 6 is respectively rotatably provided with a first clamping plate 8 sliding in the square through hole 6, an injector main body 9 is clamped between the first clamping plates 8, a piston rod 10 is arranged inside the injector main body 9, the lower surface of the injector main body 9 is communicated with a first check valve 11, the lower surface of the first check valve 11 is communicated with a liquid inlet head 12, hydraulic cylinders 13 are respectively fixedly arranged on the upper surface of the cross rod 3 and positioned at the two opposite side edges of the square through hole 6, a square frame body 14 is fixedly arranged between the extending ends of the hydraulic cylinders 13, the middle part of the opposite side surface of the square frame body 14 is respectively provided with a second threaded hole, and a second screw rod 15 is arranged in the, screw rod two 15 stretch into one end in the square frame 14 on rotate the connection and be equipped with grip block two 16, grip block two 16 slide in square frame 14, the relative side of grip block two 16 on all be equipped with the piston rod 10 upper end male recess 17 of being convenient for, syringe main part 9 the side lower extreme department intercommunication that is close to casing 2 be equipped with check valve two 18, the other end intercommunication of check valve two 18 be equipped with pipeline 19, the other end of pipeline 19 insert in the sample bottle 5, the other end of feed inlet 12 insert in the raw liquid bottle 4.

The lifting device comprises a third screw rod 20 which is rotatably arranged between the center of the upper surface and the lower surface inside the shell 2, a crank 21 is fixedly arranged at one end, extending out of the upper surface of the shell 2, of the third screw rod 20, a nut 22 is arranged on the third screw rod 20 in a threaded connection mode, a strip-shaped through hole 23 is formed in the position, corresponding to the third screw rod 20, of the front surface of the shell 2, a sliding rail 24 extending out of the strip-shaped through hole 23 is fixedly arranged on the front surface of the nut 22, and one end, close to the shell 2, of the cross rod 3 is fixed to the other end of.

The first placing and fixing device comprises a circular groove 25 arranged on the base 1, a plurality of layers of springs 26 are arranged on the bottom surface of the circular groove 25 from the center to the edge, an annular plate 27 is fixedly arranged on each layer of the springs 26, a circular plate 28 is arranged on the spring 26 at the center, and the stock solution bottle 4 and the sampling bottle 5 are placed on a plane formed by the annular plate 27 and the circular plate 28.

The first check valve 11 is communicated with the syringe main body 9 in a one-way mode through the liquid inlet head 12, and the second check valve 18 is communicated with the sampling bottle 5 in a one-way mode through the syringe main body 9.

The utility model discloses a concrete implementation mode: when the utility model is used, the original liquid bottle 4 can be firstly placed on the first placing and fixing device, under the action of gravity of the original liquid bottle 4, the original liquid bottle 4 can be sunk into the circular groove 25, thereby fixing the original liquid bottle 4, similarly, the sampling bottle 5 can be placed on the second placing and fixing device and is also fixed, then the injector main body 9 can be placed into the square through hole 6, then the screw rod I7 is screwed, thereby pushing the clamping plate I8 to slide in the square through hole 6, further clamping and fixing the injector main body 9, then the screw rod II 15 can be screwed, thereby pushing the clamping plate II 16 to slide in the square frame 14, further the edge of the other end of the piston rod 10 is inserted into the groove I17, then the crank 21 can be manually shaken, thereby rotating the screw rod III 20, further driving the nut 22 to move downwards, the cross rod 3 can also move downwards along with the liquid inlet head 12 to be inserted into the original liquid bottle 4, the other end of the pipeline 19 is inserted into the sampling bottle 5, and then the hydraulic cylinder 13 is controlled by an external controller to extend, so that the piston rod 10 is lifted up, a part of liquid is pumped into the syringe main body 9, and then the hydraulic cylinder 13 is controlled to shorten, so that the liquid is pressed into the sampling bottle 5 through the pipeline 19 by pressing down the piston rod 10, and then sampling is completed.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A sampling device for chemical analysis, includes base (1), its characterized in that: the device is characterized in that a shell (2) is fixedly arranged on the upper surface of the base (1) close to the middle of the rear side edge, a lifting device is arranged in the shell (2), one end of the lifting device extending out of the front surface of the shell (2) is provided with a cross rod (3), the other end of the cross rod (3) is provided with a suction pushing device, a first placing and fixing device is arranged on the upper surface of the base (1) and under the suction pushing device, a second placing and fixing device is arranged on the upper surface of the base (1) and at the other end far away from the first placing and fixing device, the first placing and fixing device and the second placing and fixing device have the same structure, a raw material bottle (4) is placed on the first placing and fixing device, a sampling bottle (5) is placed on the second placing and fixing device, the suction pushing device comprises a square through hole (6) arranged, the syringe is characterized in that threaded holes I are formed in the front side face and the rear side face of the cross rod (3) and in the position corresponding to the square through hole (6), threaded holes I are connected with screw rods I (7) in an inner thread mode, one end of each screw rod I (7) extending into the square through hole (6) is provided with a clamping plate I (8) sliding in the square through hole (6) in a rotating mode, a syringe main body (9) is arranged between the clamping plates I (8) in a clamping mode, a piston rod (10) is arranged inside the syringe main body (9), a check valve I (11) is arranged below the syringe main body (9) in a communicating mode, a liquid inlet head (12) is arranged below the check valve I (11) in a communicating mode, hydraulic cylinders (13) are fixedly arranged on the upper face of the cross rod (3) and on the two opposite side edges of the square through hole (6), and a square frame body (14) is fixedly, the relative side face of square frame body (14) in the middle of the department all be equipped with screw hole two, screw hole two in equal threaded connection be equipped with screw rod two (15), screw rod two (15) stretch into one end in square frame body (14) on rotate the connection and be equipped with grip block two (16), grip block two (16) slide in square frame body (14), grip block two (16) relative side on all be equipped with be convenient for piston rod (10) upper end male recess (17), syringe main part (9) side lower extreme department intercommunication that is close to casing (2) be equipped with check valve two (18), the other end intercommunication of check valve two (18) be equipped with pipeline (19), the other end of pipeline (19) insert in sampling bottle (5), the other end of feed liquor head (12) insert in raw liquid bottle (4).

2. A sampling device for chemical analysis according to claim 1, wherein: elevating gear including rotating three (20) of screw rod between locating casing (2) inside lower surface center department, three (20) of screw rod stretch out one of casing (2) above and serve fixedly and be equipped with crank (21), three (20) of screw rod go up threaded connection and be equipped with nut (22), casing (2) preceding and correspond position department with three (20) of screw rod and be equipped with bar through-hole (23), nut (22) preceding fixed slide rail (24) that stretch out bar through-hole (23) of being equipped with, horizontal pole (3) be close to the one end of casing (2) and be fixed in on the other end of slide rail (24).

3. A sampling device for chemical analysis according to claim 1, wherein: the first placing and fixing device comprises a circular groove (25) arranged on the base (1), a plurality of layers of springs (26) are arranged on the bottom surface of the circular groove (25) from the center to the edge, an annular plate (27) is fixedly arranged on each layer of springs (26), a circular plate (28) is arranged on the springs (26) at the center, and the raw liquid bottle (4) and the sampling bottle (5) are placed on a plane formed by the annular plate (27) and the circular plate (28).

4. A sampling device for chemical analysis according to claim 1, wherein: the one-way valve I (11) is in one-way conduction from the liquid inlet head (12) to the injector body (9), and the one-way valve II (18) is in one-way conduction from the injector body (9) to the sampling bottle (5).