CN111537287A - Antifouling sampling device of medicament for analytical chemistry - Google Patents
Antifouling sampling device of medicament for analytical chemistry Download PDFInfo
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- CN111537287A CN111537287A CN202010591092.0A CN202010591092A CN111537287A CN 111537287 A CN111537287 A CN 111537287A CN 202010591092 A CN202010591092 A CN 202010591092A CN 111537287 A CN111537287 A CN 111537287A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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Abstract
The invention provides a reagent antifouling sampling device for analytical chemistry, which belongs to the technical field of analytical chemistry and comprises a reagent storage box, a rotary drum arranged above the reagent storage box and a driving assembly for driving the rotary drum to rotate in a reciprocating manner, wherein the bottom of the rotary drum is provided with a sampling assembly; the sampling assembly comprises a sampling cylinder fixedly arranged at the bottom of the rotary cylinder and a pull rod matched with the sampling cylinder in a telescopic mode, the rotary cylinder is penetrated through the upper end of the sampling cylinder, the upper end of the pull rod extends into the rotary cylinder, the pull rod is located at one end of the sampling cylinder and fixedly connected with a piston, a supporting plate is fixedly arranged inside the rotary cylinder, the pull rod is located on the front side of the supporting plate, a second gear is arranged on the upper right of the front side of the supporting plate, a first gear is arranged below the left of the front side of the supporting plate, and a plurality of second tooth sheets are arranged on one side of the pull rod. Compared with the existing sampling mode, the embodiment of the invention has the advantages of good sampling effect and good antifouling effect.
Description
Technical Field
The invention belongs to the technical field of analytical chemistry, and particularly relates to an antifouling sampling device for a medicament for analytical chemistry.
Background
Analytical chemistry is a science of analytical methods and theories for studying chemical information such as composition, content, structure and morphology of substances, and is an important branch of chemistry. It is to identify which components are contained in a substance and what components the substance consists of, determine the relative amounts of the various components, and study the molecular structure or crystal of the substance.
In the experimental research process of analytical chemistry, need sample liquid medicament usually to its concrete composition analyzes, at present, rely on the manual work to soak the sampling tube in the liquid medicine to the sample of liquid medicament mostly, make the liquid medicine fill to the sampling tube inside, realize the sample of liquid medicine, this kind is got the mode and is put into the liquid medicine owing to directly with the sampling tube inside, carry various debris on the sampling tube easily, lead to the whole contaminated of liquid medicine easily.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, an object of the present invention is to provide an anti-fouling sampling device for analyzing chemicals.
In order to solve the technical problems, the invention provides the following technical scheme:
the antifouling sampling device for the reagents for analytical chemistry comprises a reagent storage box, a rotary drum arranged above the reagent storage box and a driving assembly for driving the rotary drum to rotate in a reciprocating manner, wherein the bottom of the rotary drum is provided with a sampling assembly; the sampling assembly comprises a sampling cylinder fixedly arranged at the bottom of the rotary cylinder and a pull rod matched with the sampling cylinder in a telescopic mode, the rotary cylinder is penetrated through the upper end of the sampling cylinder, the upper end of the pull rod extends into the rotary cylinder, the pull rod is located at one end of the sampling cylinder and fixedly connected with a piston, a supporting plate is fixedly arranged inside the rotary cylinder, the pull rod is located on the front side of the supporting plate, a second gear is arranged on the upper right side of the front side of the supporting plate, a first gear is arranged on the lower left side of the front side of the supporting plate, a plurality of second tooth sheets are arranged on the pull rod towards one side of the second gear, a plurality of first tooth sheets are arranged on the pull rod towards one side of the first gear, the first gear and the second gear are controlled by an external motor to rotate.
As a further improvement of the invention: the side wall of the medicament storage box is fixedly provided with a third support, and one end of the rotary drum is rotatably arranged on one side of the third support through a supporting drum.
As a further improvement of the invention: one end of the supporting cylinder is fixedly connected with the rotary cylinder, and the other end of the supporting cylinder extends into the third support and is in running fit with the third support through a bearing.
As a further improvement of the invention: the medicament bin lateral wall fixed mounting has first support and the second support that sets up along the rotary drum axial, drive assembly is including fixed setting the motor of keeping away from second support one side at first support and the first pivot of connection at the motor output, the one end that the motor was kept away from to first pivot passes first support, and at the fixed first semi-gear that is provided with in first pivot shaft section middle part, the rotary drum outer wall install with first semi-gear engagement's first annular rack.
As a still further improvement of the invention: the first support and the second support are connected through a support rod, a first bevel gear is fixedly connected to the end portion, away from the motor, of the first rotating shaft, a second rotating shaft is fixedly arranged on the side wall of the support rod, a second bevel gear meshed with the first bevel gear is rotatably arranged at the tail end of the second rotating shaft, a third rotating shaft is rotatably arranged on one side, facing the first support, of the second support, a third bevel gear meshed with the second bevel gear is fixedly arranged at the tail end of the third rotating shaft, a first half gear is arranged on the first rotating shaft, and a second half gear is arranged on the third rotating shaft; and a second annular rack meshed with the second half gear is arranged on the outer wall of the rotary drum.
As a still further improvement of the invention: the piston is in interference fit with the inner wall of the sampling tube.
As a still further improvement of the invention: and a fixing rod is fixedly arranged on one side of the support plate, which is far away from the pull rod, and one end of the fixing rod, which is far away from the support plate, penetrates through the support cylinder and is fixedly connected with the third support.
Compared with the prior art, the invention has the beneficial effects that:
compared with the existing sampling mode, the sampling device has the advantages of good sampling effect and good antifouling effect, the rotary drum is driven to rotate by the driving assembly, so that the sampling cylinder on the side wall of the rotary drum is rotated to the inside of the medicament storage box, the sampling cylinder is kept vertical and extends into the liquid medicament, when the sampling cylinder is vertical, the external motor is used for driving the second gear to rotate, the pull rod is driven to move towards the outside of the sampling cylinder through the meshing effect of the second gear and the second gear piece, the liquid medicament is sucked into the sampling cylinder through the piston, and the sampling of the liquid medicament is realized; after the liquid medicine sample finishes, drive assembly drives rotary drum antiport, make the sampling tube from the inside roll-out of medicament bin, when the sampling tube is on a level in medicament bin top, drive first gear revolve through outside motor, utilize the meshing effect of first gear and first tooth piece to order about the pull rod to the inside removal of sampling tube, and then release the inside liquid medicine of sampling tube, shift the liquid medicine and preserve in the medicine bottle, make whole sampling process medicine bottle not contact with the inside liquid medicine of medicament bin, avoid causing the pollution of liquid medicine.
Drawings
FIG. 1 is a schematic view of an anti-fouling sampling device for analytical chemistry;
FIG. 2 is a top view of an anti-fouling sampling device for analytical chemistry;
FIG. 3 is a schematic view of a sampling assembly of an anti-fouling sampling device for analytical chemistry;
in the figure: 1-a medicament storage box, 2-a first bracket, 3-a first half gear, 4-a first rotating shaft, 5-a first annular rack, 6-a rotating drum, 7-a supporting plate, 8-a first tooth sheet, 9-a second tooth sheet, 10-a second gear, 11-a movable rod, 12-a first gear, 13-a sampling barrel, 14-a supporting rod, 15-a motor, 16-a fixed rod, 17-a supporting barrel, 18-a second annular rack, 19-a first bevel gear, 20-a third bevel gear, 21-a second half gear, 22-a third rotating shaft, 23-a second bevel gear, 24-a second rotating shaft, 25-a second bracket and 26-a piston.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-3, the present embodiment provides an antifouling sampling device for analyzing chemicals, including a chemical storage box 1, a rotary drum 6 disposed above the chemical storage box 1, and a driving component for driving the rotary drum 6 to rotate reciprocally, wherein a sampling component is disposed at the bottom of the rotary drum 6, specifically, the sampling component includes a sampling cylinder 13 fixedly disposed at the bottom of the rotary drum 6, and a pull rod 11 telescopically engaged with the sampling cylinder 13, an upper end of the sampling cylinder 13 passes through the rotary drum 6, an upper end of the pull rod 11 extends into the rotary drum 6, one end of the pull rod 11 located inside the sampling cylinder 13 is fixedly connected with a piston 26, a support plate 7 is fixedly disposed inside the rotary drum 6, the pull rod 11 is located at the front side of the support plate 7, a second gear 10 is disposed at the upper right of the front side of the support plate 7, a first gear 12 is disposed at the lower left of the front, a plurality of second teeth 9 are arranged on one side of the pull rod 11 facing the second gear 10, a plurality of first teeth 8 are arranged on one side of the pull rod 11 facing the first gear 12, the first gear 12 and the second gear 10 are controlled by an external motor (not shown) to rotate, and the sampling cylinder 13 and the pull rod 11 are arranged along the diameter direction of the rotary drum 6.
Initially, the sampling cylinder 13 and the pull rod 11 are horizontally distributed above the medicament storage box 1, during sampling, the rotary cylinder 6 is driven to rotate by the driving assembly, the rotary cylinder 6 drives the sampling cylinder 13 and the pull rod 11 to rotate, so that the sampling cylinder 13 rotates to the inside of the medicament storage box 1 to be kept vertical and extend below the liquid level of the medicament, at the moment, the external motor is used for driving the second gear 10 to rotate, the pull rod 11 is driven to move upwards along the sampling cylinder 13 through the meshing action of the second gear 10 and the second gear 9, the piston 26 is further pulled, the liquid medicament in the medicament storage box 1 is sucked into the sampling cylinder 13, and the sampling operation of the medicament is completed; after the medicament sample finishes, drive 6 antiport of rotary drum through drive assembly, and then drive sampler barrel 13 and follow the inside roll-out of medicament bin 1, make sampler barrel 13 and pull rod 11 level in 1 top of medicament bin again, at this moment, utilize outside motor to drive first gear 12 and rotate, the meshing effect through first gear 12 and first tooth 8 drives pull rod 11 and removes to sampler barrel 13 is inside, utilize piston 26 to release the inside medicament that absorbs of sampler barrel 13, staff's accessible medicine bottle connect get can.
Specifically, a third support is fixedly arranged on the side wall of the medicament storage box 1, and one end of the rotary drum 6 is rotatably arranged on one side of the third support through a support drum 17.
Specifically, one end of the supporting cylinder 17 is fixedly connected with the rotating cylinder 6, and the other end of the supporting cylinder extends into the third bracket and is in running fit with the third bracket through a bearing (not shown).
Specifically, 1 lateral wall fixed mounting of medicament storage box has first support 2 and the second support 25 along the setting of 6 axial of rotary drum, drive assembly is including fixed setting at first support 2 keep away from the motor 14 of second support 25 one side and connect the first pivot 4 at the output of motor 15, the one end that motor 15 was kept away from to first pivot 4 passes first support 2, and is provided with first pinion 3 at 4 shaft of first pivot section middle parts are fixed, 6 outer walls of rotary drum install with first annular rack 5 of first pinion 3 meshing.
Drive first pivot 4 through motor 15 and just reversing, utilize the meshing effect of first pinion 3 and first annular rack 5, drive rotary drum 6 and just reverse rotation, and then rotate sampling tube 13 to the inside sample of taking a sample of medicament bin 1 and rotate out of medicament bin 1 with sampling tube 13 after the sample finishes.
Further, the first support 2 is connected with a second support 25 through a support rod 14, a first bevel gear 19 is fixedly connected to an end portion, away from the motor 15, of the first rotating shaft 4, a second rotating shaft 24 is fixedly arranged on a side wall of the support rod 14, a second bevel gear 23 meshed with the first bevel gear 19 is rotatably arranged at the tail end of the second rotating shaft 24, a third rotating shaft 22 is rotatably arranged on one side, facing the first support 2, of the second support 25, a third bevel gear 20 meshed with the second bevel gear 23 is fixedly arranged at the tail end of the third rotating shaft 22, a first half gear 3 is arranged on the first rotating shaft 4, and a second half gear 21 is arranged on the third rotating shaft 22; the outer wall of the drum 6 is provided with a second annular rack 18 which is meshed with a second half gear 21.
During sampling, the motor 15 drives the first rotating shaft 4 to rotate, so as to drive the first half gear 3 on the first rotating shaft and the first bevel gear 19 at the tail end of the first half gear to rotate, the first half gear 3 is meshed with the first annular rack 5 on the outer wall of the rotating drum 6 when rotating, so as to drive the rotating drum 6 to rotate, so as to rotate the sampling cylinder 13 outside the rotating drum 6 to the inside of the medicament storage tank 1, and ensure that the sampling cylinder 13 vertically extends into a medicament liquid, at the moment, the first half gear 3 is disengaged from the first annular rack 5, the external motor drives the second gear 10 to rotate, the pull rod 11 is driven to move upwards along the sampling cylinder 13 through the meshing action of the second gear 10 and the second gear 9, the medicament liquid is sucked into the sampling cylinder 13 by using the piston 26, and the sampling; when the first bevel gear 19 rotates, the third bevel gear 20 is driven to rotate through the second bevel gear 23, and then the second half gear 21 and the first half gear 4 are driven to rotate in opposite directions, when the first half gear 4 and the second annular rack 15 are disengaged, and after the second gear 10 drives the pull rod 11 to move upwards for a certain distance along the sampling cylinder 13, the second half gear 21 and the second annular rack 18 enter a meshing state, and then the rotary cylinder 6 is driven to rotate reversely, the sampling cylinder 13 is rotated out of the reagent storage box 1, so that the sampling cylinder 13 and the pull rod 11 are horizontally arranged above the reagent storage box 1, when the pull rod 11 is horizontal, the first gear 12 is driven to rotate through an external motor, and then the pull rod 11 is driven to move towards the inside of the sampling cylinder 13 through the meshing action of the first gear 12 and the first tooth plate 8, and the liquid medicine sucked inside the sampling cylinder 13 is pushed out.
In this embodiment, the piston 26 is in interference fit with the inner wall of the sampling tube 13.
Example 2
Referring to fig. 1, in the present embodiment, compared to embodiment 1, a fixing rod 16 is fixedly disposed on a side of the supporting plate 7 away from the pull rod 11, and an end of the fixing rod 16 away from the supporting plate 7 penetrates through the supporting cylinder 17 and is fixedly connected to a third bracket.
Compared with the existing sampling mode, the sampling device has the advantages of good sampling effect and good antifouling effect, the rotary drum 6 is driven to rotate by the driving assembly, so that the sampling cylinder 13 on the side wall of the rotary drum 6 is rotated to the interior of the medicament storage tank 1, the sampling cylinder 13 is kept vertical and extends into the liquid medicament, when the sampling cylinder 13 is vertical, the external motor is used for driving the second gear 10 to rotate, the pull rod 11 is driven to move towards the exterior of the sampling cylinder 13 through the meshing action of the second gear 10 and the second gear 9, and the liquid medicament is sucked into the sampling cylinder 13 through the piston 26, so that the sampling of the liquid medicament is realized; after the liquid medicine sample finishes, drive assembly drives 6 antiport of rotary drum, make sampling tube 13 from the inside roll-out of medicament bin 1, when sampling tube 13 is on a level in medicament bin 1 top, drive first gear 12 through external motor and rotate, utilize the meshing effect of first gear 12 and first tooth piece 8 to order about pull rod 11 to the inside removal of sampling tube 13, and then release the inside liquid medicine of sampling tube 13, shift the liquid medicine to the medicine bottle and preserve, make whole sampling process medicine bottle not contact with the inside liquid medicine of medicament bin 1, avoid causing the pollution of liquid medicine.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. The antifouling sampling device for the analytical chemistry medicament is characterized by comprising a medicament storage box (1), a rotary drum (6) arranged above the medicament storage box (1) and a driving assembly for driving the rotary drum (6) to rotate in a reciprocating manner, wherein the sampling assembly is arranged at the bottom of the rotary drum (6); the sampling assembly comprises a sampling cylinder (13) fixedly arranged at the bottom of the rotary cylinder (6) and a pull rod (11) in telescopic fit with the sampling cylinder (13), the rotary cylinder (6) penetrates through the upper end of the sampling cylinder (13), the upper end of the pull rod (11) extends into the rotary cylinder (6), a piston (26) is fixedly connected with one end of the pull rod (11) positioned in the sampling cylinder (13), a supporting plate (7) is fixedly arranged in the rotary cylinder (6), the pull rod (11) is positioned in the front side of the supporting plate (7), a second gear (10) is arranged above the right front side of the supporting plate (7), a first gear (12) is arranged below the left front side of the supporting plate (7), a plurality of second tooth sheets (9) are arranged on one side of the pull rod (11) facing the second gear (10), and a plurality of first tooth sheets (8) are arranged on one side of the pull rod (11) facing the first gear (12), the first gear (12) and the second gear (10) are controlled by an external motor to rotate, and the sampling cylinder (13) and the pull rod (11) are arranged along the diameter direction of the rotary cylinder (6).
2. An antifouling sampling device for analytical chemistry according to claim 1, characterized in that a third bracket is fixedly arranged on the side wall of the medicament storage case (1), and one end of the rotary drum (6) is rotatably arranged on one side of the third bracket through a support cylinder (17).
3. An antifouling sampling device for analytical chemistry according to claim 2, characterised in that the support cylinder (17) is fixedly connected to the rotating cylinder (6) at one end and extends into the third holder at the other end and is rotatably fitted to the third holder by means of a bearing.
4. The antifouling sampling device for analytical chemistry reagents according to claim 1, wherein the side wall of the reagent storage box (1) is fixedly provided with a first bracket (2) and a second bracket (25) which are arranged along the axial direction of the rotary drum (6), the driving component comprises a motor (14) which is fixedly arranged on one side of the first bracket (2) far away from the second bracket (25) and a first rotating shaft (4) which is connected with the output end of the motor (15), one end of the first rotating shaft (4) far away from the motor (15) passes through the first bracket (2), the middle part of the shaft section of the first rotating shaft (4) is fixedly provided with a first half gear (3), and the outer wall of the rotary drum (6) is provided with a first annular rack (5) which is meshed with the first half gear (3).
5. An antifouling sampling device for analytical chemistry according to claim 4, the first bracket (2) is connected with the second bracket (25) through a support rod (14), a first bevel gear (19) is fixedly connected with one end part of the first rotating shaft (4) far away from the motor (15), a second rotating shaft (24) is fixedly arranged on the side wall of the supporting rod (14), a second bevel gear (23) meshed with the first bevel gear (19) is rotatably arranged at the tail end of the second rotating shaft (24), a third rotating shaft (22) is rotatably arranged on one side, facing the first support (2), of the second support (25), a third bevel gear (20) meshed with the second bevel gear (23) is fixedly arranged at the tail end of the third rotating shaft (22), a first half gear (3) is arranged on the first rotating shaft (4), and a second half gear (21) is arranged on the third rotating shaft (22); and a second annular rack (18) meshed with a second half gear (21) is arranged on the outer wall of the rotary drum (6).
6. An antifouling sampling device for analytical chemistry according to any one of claims 1 to 5, characterised in that the plunger (26) has an interference fit with the inner wall of the sampling tube (13).
7. An antifouling sampling device for analytical chemistry reagents according to claim 2, wherein a fixing rod (16) is fixedly arranged on the side of the supporting plate (7) far away from the pull rod (11), and one end of the fixing rod (16) far away from the supporting plate (7) passes through the supporting cylinder (17) and is fixedly connected with a third bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010591092.0A CN111537287A (en) | 2020-06-24 | 2020-06-24 | Antifouling sampling device of medicament for analytical chemistry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010591092.0A CN111537287A (en) | 2020-06-24 | 2020-06-24 | Antifouling sampling device of medicament for analytical chemistry |
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| CN111537287A true CN111537287A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010591092.0A Pending CN111537287A (en) | 2020-06-24 | 2020-06-24 | Antifouling sampling device of medicament for analytical chemistry |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155539A (en) * | 2021-04-15 | 2021-07-23 | 浙江工商大学 | Automatic monitoring and processing apparatus of initial stage rainwater |
| CN114522758A (en) * | 2022-01-20 | 2022-05-24 | 枣庄鑫金山智能装备有限公司 | Buffering protection type ore crushing device |
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| CN200958558Y (en) * | 2006-07-07 | 2007-10-10 | 胡维朗 | Gear transmission |
| CN106017991A (en) * | 2016-07-25 | 2016-10-12 | 安徽科微智能科技有限公司 | Automatic sampling mechanism and sampling method |
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Application publication date: 20200814 |