CN114768612A - A liquid medicine device of getting it filled for experimental analysis of pharmacy - Google Patents

Abstract

The invention discloses a liquid medicine taking device for pharmaceutical experiment analysis, which comprises a medicine box, wherein a sleeve is fixedly arranged on one side of the medicine box in a penetrating manner, the inner side of the sleeve is connected with a feeding pipe in a sliding manner, an inclined pipe is fixedly arranged at the top of the sleeve, a discharging pipe is fixedly connected to the bottom of one end, away from the sleeve, of the inclined pipe, a dropper is fixedly connected to the bottom of the discharging pipe, the inclined pipe is connected with a negative pressure medicine taking structure, a uniform stirring structure is arranged in the medicine box, and the negative pressure medicine taking structure comprises a connecting pipe which is communicated with the top of the inclined pipe, and has the advantages that: on the one hand, the effect of driving the inlet pipe to move back and forth is achieved through the mutually connected transmission of the transmission gear, the half gear, the first rack and the second rack, so that liquid medicines with different liquid level heights can be sampled, the uniformity of liquid medicine sampling is guaranteed, on the other hand, the second rack is connected with the transmission shaft and the plurality of stirring blades through the second bevel gear, and therefore the effect of stirring the liquid medicines is achieved, and the use is facilitated.

Description

A liquid medicine taking device for pharmaceutical test analysis

technical field

The invention relates to the technical field of pharmaceutical test analysis, in particular to a medicinal liquid medicine taking device used for pharmaceutical test analysis.

Background technique

Pharmacy is an advanced science and technology that cultivates the basic theories, basic knowledge and experimental skills of pharmacy, and can engage in identification, drug design, general drug preparation and clinical rational drug use in the fields of drug production, inspection, circulation, use and research and development. The discipline of talent.

Pharmacy often needs to test and analyze the medicinal liquid in the experiment, so it is necessary to sample the medicinal liquid. When the existing medicinal liquid taking device is in use, it is necessary to shake the medicinal liquid first, and then carry out accurate sampling. The disadvantage is that , Since it takes a little time to accurately take the medicine, precipitation will occur after a period of time after shaking, so that the sampled medicine cannot be in a uniform state. Sampling at a single location cannot accurately analyze the pharmaceutical test. Based on this, the present invention designs a liquid medicine taking device for the analysis of the pharmaceutical test.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problems in the prior art, and propose a medicinal liquid medicine taking device for pharmaceutical test analysis.

In order to achieve the above object, the present invention adopts the following technical solutions:

A medicinal liquid medicine taking device for pharmaceutical test analysis, comprising a medicine box, a sleeve is fixedly arranged through one side of the medicine box, the inner side of the sleeve is slidably connected with a feeding pipe, and the inner side of the sleeve is The top is fixedly provided with an inclined pipe, the bottom of the inclined pipe away from the casing is fixedly connected with a discharge pipe, the bottom of the discharge pipe is fixedly connected with a dropper, and the inclined pipe is connected with a negative pressure medicine taking structure. A uniform stirring structure is arranged in the medicine box.

In the above-mentioned medicinal liquid medicine taking device for pharmaceutical test analysis, the negative pressure medicine taking structure includes a connecting pipe connected to the top of the inclined pipe, the top of the connecting pipe is fixedly connected with a transmission cylinder, and the transmission cylinder A reciprocating screw is rotatably connected inside the reciprocating screw, the axis of the reciprocating screw and the axis of the sleeve are perpendicular to each other, the reciprocating screw is matched with a slider, and the slider is sealed and slidably connected in the transmission cylinder. The two ends of the reciprocating screw are arranged as optical shaft parts and pass through the transmission cylinder. The reciprocating screw is fixed with a connecting rod outside the transmission cylinder, and a hand rocker is fixed on the side of the connecting rod away from the transmission cylinder.

In the above-mentioned medicinal liquid medicine taking device for pharmaceutical test analysis, an air inlet is provided on the top of the side of the transmission cylinder away from the connecting rod, and an air outlet is provided on the lower side of the transmission cylinder. The air outlet and the air inlet are both sealed and connected with a one-way valve, the air outlet is sealed with the connecting pipe, and the direction of the one-way valve connecting the air inlet and the air outlet is set so that the gas enters the transmission from the outside through the air inlet. and output through the air outlet.

In the above-mentioned medicinal liquid medicine taking device for pharmaceutical test analysis, the uniform stirring structure includes a first bevel gear, and the first bevel gear is provided at the end of the reciprocating screw away from the connecting rod. The gear is meshed with a second bevel gear, the center of rotation of the second bevel gear is fixedly connected with a transmission shaft, the transmission shaft is sealed through the top wall of the medicine box and is rotatably connected with the medicine box, and the transmission shaft is in the medicine box. The part is fixedly connected with a plurality of stirring blades, and the plurality of the stirring blades are arranged at equal distances.

In the above-mentioned medicinal liquid medicine taking device for pharmaceutical test analysis, the part of the end of the reciprocating screw away from the connecting rod outside the transmission cylinder is fixedly connected with a transmission gear, and the transmission gear is meshed with a first rack, so The first rack penetrates the top wall of the medicine box and is meshed with a half gear in the medicine box. The half gear has the same specifications as the transmission gear. The outer side of the half gear is provided with a transmission box, and the transmission box is fixedly arranged. On the inner top wall of the medicine box, the rotation center of the half gear is fixedly connected with a rotating shaft, one end of the rotating shaft is rotatably connected with the inner wall of the transmission box, and the end of the rotating shaft away from the transmission box is rotatably connected with the sleeve, the half gear is rotatably connected with the casing. The side of the gear away from the first rack is meshed with a second rack, the second rack has the same specification as the first rack, the second rack penetrates the bottom wall of the transmission box and is slidably connected with it One end of the second rack outside the transmission case is fixedly connected with a spring, and the fixed end of the spring is fixedly connected with the inner bottom wall of the medicine box.

In the above-mentioned medicinal liquid medicine taking device for pharmaceutical test analysis, a support rod is fixedly connected to the bottom of the feed pipe and the second rack, and a feed pipe is provided on the top of the side of the medicine box away from the feed pipe. The top of the feeding port is sealed and fixed with a feeding hopper, and the feeding hopper adopts a funnel-shaped structure with a wide upper part and a narrow lower part.

In the above-mentioned medicinal liquid medicine taking device for pharmaceutical test analysis, the number of the stirring blades is not less than three, and the inclined direction of the inclined tube is set so that the high end is located on the side close to the casing and the low end is located near the outlet. On one side of the material pipe, the outer side of the hand rocker is fixedly provided with a protective layer and the protective layer is made of rubber material. The sleeve is sealed through the bottom of the transmission case and is fixedly connected with the transmission case. A sealing layer is provided at the connection between the second rack and the transmission case.

Compared with the prior art, the advantages of the present invention are:

1. When the present invention is in use, uniform stirring and sampling can be carried out at the same time. The advantage of this is that the method can effectively prevent some components in the medicinal liquid from sinking to the bottom, causing the problem of uneven medicinal liquid and avoiding affecting the pharmaceutical test analysis. result;

2. The reciprocating screw and slider structure are provided to achieve the effect of reciprocating movement of the slider under one-way rotation, so that with the settings of the air inlet, air outlet and one-way valve, directional negative pressure can be output externally, so as to realize negative pressure. the effect of sampling;

3. The shaft end of the reciprocating screw is connected to the transmission gear and the first bevel gear at the same time. On the one hand, the transmission gear, the half gear, the first rack and the second rack are connected to each other to achieve the effect of driving the feeding pipe to move back and forth. In this way, the liquid medicine with different liquid level heights can be sampled to ensure the uniformity of the liquid medicine sampling. .

Description of drawings

Fig. 1 is the structural representation of a kind of medicinal liquid medicine taking device for pharmaceutical test analysis proposed by the present invention;

Fig. 2 is a kind of structure schematic diagram of the transmission cylinder in the medicinal liquid medicine taking device for pharmaceutical test analysis proposed by the present invention;

FIG. 3 is a schematic structural diagram of a transmission box in a medicinal liquid medicine taking device for pharmaceutical test analysis proposed by the present invention.

In the picture: 1 medicine box, 2 casings, 3 feeding pipes, 4 inclined pipes, 5 discharging pipes, 6 dropping pipes, 7 transmission cylinders, 8 reciprocating screws, 9 sliding blocks, 10 air outlets, 11 connecting pipes, 12 air inlet, 13 connecting rod, 14 hand rocker, 15 one-way valve, 16 transmission gear, 17 first rack, 18 half gear, 19 shaft, 20 second rack, 21 spring, 22 transmission box, 23 First bevel gear, 24 second bevel gear, 25 drive shaft, 26 stirring blade, 27 feed port, 28 feed hopper, 29 support rod.

Detailed ways

The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

Example

1-3, a medicinal liquid medicine taking device for pharmaceutical test analysis, including medicine box 1, is characterized in that, one side of medicine box 1 is fixedly provided with a sleeve 2, and the inner side of the sleeve is slidably connected with a sleeve 2. The feeding pipe 3, the top of the casing 2 is fixedly provided with an inclined pipe 4, the bottom of the inclined pipe 4 away from one end of the casing 2 is fixedly connected with a discharging pipe 5, and the bottom of the discharging pipe 5 is fixedly connected with a drip pipe 6, and the discharging pipe A one-way valve is sealed and connected in 5 to control the unidirectional flow of liquid, the inclined pipe 4 is connected with a negative pressure medicine taking structure, and the medicine box 1 is provided with a uniform stirring structure.

A medicinal liquid medicine taking device for pharmaceutical test analysis, comprising a medicine box 1, characterized in that, one side of the medicine box 1 is fixedly provided with a sleeve 2, and the inner side of the sleeve is slidably connected with a feeding pipe 3, so that The height of the feeding pipe 3 can be adjusted to control the liquid level height when the medicinal liquid is sampled. The top of the casing 2 is fixedly provided with an inclined pipe 4, and the bottom of the inclined pipe 4 is fixedly connected with a discharge pipe 5 away from one end of the casing 2. The medicinal liquid is discharged from the discharge pipe 5 for pharmaceutical test analysis. The bottom of the discharge pipe 5 is fixedly connected to the dropper 6. The dropper 6 ensures that the medicinal liquid is output in the form of droplets, so that it can be improved by testing multiple droplets. The accuracy of the results, the inclined tube 4 is connected with a negative pressure medicine taking structure, the medicine box 1 is provided with a uniform stirring structure, the top of the transmission cylinder 7 away from the connecting rod is provided with an air inlet 12, and the transmission cylinder 7 is located at the air inlet. The lower side of the 12 is provided with an air outlet 10, the air outlet 10 and the air inlet 12 are sealed and connected with a one-way valve 15, the air outlet 10 is sealed with the connecting pipe 11, and the air inlet 12 and the air outlet 10 are connected in a one-way manner. The direction of the valve 15 is set so that the gas enters the transmission cylinder 7 from the outside through the air inlet 12 and is output through the air outlet 10, so that controlling the unidirectional flow of the gas can output negative pressure to the position of the connection journal 11, thereby realizing the effect of negative pressure sampling.

The uniform stirring structure includes a first bevel gear 23, the first bevel gear 23 is provided at the end of the reciprocating screw 8 away from the connecting rod 13, the first bevel gear 23 is meshed with a second bevel gear 24, and the center of rotation of the second bevel gear 24 A transmission shaft 25 is fixedly connected, and the transmission shaft 25 seals through the top wall of the medicine box 1 and is rotatably connected with the medicine box 1. The part of the transmission shaft 25 in the medicine box 1 is fixedly connected with a plurality of stirring blades 26, and the plurality of stirring blades 26 Equidistantly arranged, the effect of uniform stirring of the medicinal liquid in the medicine box 1 is achieved through a plurality of stirring blades 26, and the end of the reciprocating screw 8 away from the connecting rod 13 is fixedly connected with the transmission gear 16 at the part outside the transmission cylinder 7, and the transmission gear 16 A first rack 17 is engaged, the first rack 17 penetrates the top wall of the medicine box 1 and a half gear 18 is engaged with the part in the medicine box 1. The half gear 18 has the same specifications as the transmission gear 16, and the outer side of the half gear 18 is arranged There is a transmission box 22, the transmission box 22 is fixedly arranged on the inner top wall of the medicine box 1, the rotation center of the half gear 18 is fixedly connected with a rotating shaft 19, one end of the rotating shaft 19 is rotatably connected with the inner wall of the transmission box 22, and the rotating shaft 19 is away from the transmission box 22. One end of the gear 18 is rotatably connected with the sleeve 22, and the side of the half gear 18 away from the first rack 17 is engaged with a second rack 20. The second rack 20 has the same specifications as the first rack 17. The rack 20 penetrates through the bottom wall of the transmission case 22 and is slidably connected with it. One end of the second rack 20 outside the transmission case 22 is fixedly connected with a spring 21, through the first rack 17, the second rack 20, the half gear 18 and the spring 21 can jointly achieve the effect of reciprocating the second rack 20 when the half gear 18 is rotated in one direction. The fixed end of the spring 21 is fixedly connected to the inner bottom wall of the medicine box 1 .

The bottom of the feeding pipe 3 and the second rack 20 is fixedly connected with a bracket rod 29, so that the feeding pipe 3 will reciprocate vertically along with the second rack 20, and the medicine box 1 is far away from the feeding pipe 3 A feeding port 27 is opened on the top of one side of the feeding port 27, and a feeding hopper 28 is sealed and fixed at the top of the feeding port 27. The medicinal liquid is input into the medicine box 1 through the feeding hopper 28. Funnel-shaped structure, the number of stirring blades 26 is not less than three, the inclined direction of the inclined pipe 4 is set so that the high end is located on the side close to the casing 2 and the low end is located on the side close to the discharge pipe 4, so that the connecting pipe 11 When the negative pressure is output, the liquid enters the inclined pipe 4 in the vertical direction and then enters the discharge pipe 4 on the other side under the action of gravity to achieve the effect of taking medicine. Made of rubber material, the sleeve 2 is sealed through the bottom of the transmission case 22 and is fixedly connected with the transmission case 22. The connection between the first rack 17 and the second rack 20 and the transmission case 22 is provided with a sealing layer to ensure the liquid medicine. Do not enter the transmission case 22 to contaminate the transmission parts.

When the present invention is in use, the staff rotates the reciprocating screw 8 through the hand rocker 14, and the rotation of the reciprocating screw 8 can drive the slider 9 to reciprocate, so as to output the connecting pipe 11 under the control of the flow direction of the one-way valve 15 Negative pressure, while the negative pressure of the connecting pipe 11 acts on the casing 2 and the feeding pipe 3, so that the liquid at the bottom height of the feeding pipe 3 enters the inclined pipe 4 through the feeding pipe 3 and the casing 2, and under the action of gravity Go down into the discharge pipe 5 to complete the reclaiming work;

In the above process, since the shaft end portion of the reciprocating screw 8 is connected to the transmission gear 16 and the first bevel gear 23 at the same time, the transmission gear 16 passes through the transmission with the first rack 17 , the half gear 18 and the second rack 20 . It is realized that when the transmission gear 16 rotates, the second rack 20 only moves in one direction, and the spring 21 at the bottom of the second rack 20 is arranged so that when the half-gear 18 does not cooperate with the second rack 20, the first The second rack 20 compresses the spring 21 and returns to the original position after receiving the elastic force of the spring 21, thus realizing the reciprocating movement. In this way, the second rack 20 is fixedly connected with the feeding pipe 3 through the bracket rod 29, so that the feeding pipe 3 During the sampling process, it moves back and forth in the vertical direction, so that the liquid at different heights can be sampled, which improves the accuracy of the pharmaceutical test analysis, and always keeps the liquid in a state of shaking, which is also convenient for the staff. operation, easy to use.

Claims (7)

1. a medicinal liquid medicine device for pharmaceutical test analysis, comprising a medicine case (1), characterized in that one side of the medicine case (1) is provided with a sleeve (2) through and fixed, and the sleeve The inner side of the pipe is slidably connected with a feeding pipe (3), the top of the sleeve (2) is fixedly provided with an inclined pipe (4), and the bottom of one end of the inclined pipe (4) away from the sleeve (2) is fixedly connected with an inclined pipe (4). A discharge pipe (5), the bottom of the discharge pipe (5) is fixedly connected to a dropper (6), the inclined pipe (4) is connected with a negative pressure medicine taking structure, and the medicine box (1) is provided with a Stir the structure evenly. 2. a kind of medicinal liquid medicine taking device for pharmaceutical test analysis according to claim 1, is characterized in that, described negative pressure medicine taking structure comprises the connecting pipe (11) that communicates and is arranged on the top of inclined pipe (4) , a transmission cylinder (7) is fixedly connected to the top of the connecting pipe (11), a reciprocating screw (8) is rotatably connected inside the transmission cylinder (7), and the axis of the reciprocating screw (8) is connected to the sleeve The axes of the pipes (2) are arranged perpendicular to each other, the reciprocating screw (8) is matched with a sliding block (9), and the sliding block (9) is sealed and slidably connected in the transmission cylinder (7). Both ends of (8) are arranged as optical shaft parts and both penetrate the transmission cylinder (7). The reciprocating screw (8) is fixedly provided with a connecting rod (13) outside the transmission cylinder (7). 13) A hand rocker (14) is fixedly arranged on the side away from the transmission cylinder (7). 3. a kind of medicinal liquid medicine taking device for pharmaceutical test analysis according to claim 2, is characterized in that, described transmission cylinder (7) is provided with air inlet (12) on the top of one side away from connecting rod, The transmission cylinder (7) is provided with an air outlet (10) on the lower side of the air inlet (12), and a check valve (15) is sealed and connected to the air outlet (10) and the air inlet (12). , the air outlet (10) is sealingly connected with the connecting pipe (11), and the direction of the check valve (15) connecting the air inlet (12) and the air outlet (10) is set so that the gas passes through the air inlet (10) from the outside. 12) Enter the transmission cylinder (7) and output through the air outlet (10). 4. A medicinal liquid medicine taking device for pharmaceutical test analysis according to claim 3, wherein the uniform stirring structure comprises a first bevel gear (23), and the first bevel gear (23) The first bevel gear (23) is meshed with a second bevel gear (24), and the center of rotation of the second bevel gear (24) is fixed. A transmission shaft (25) is connected, the transmission shaft (25) is sealed through the top wall of the medicine box (1) and is rotatably connected with the medicine box (1). The part is fixedly connected with a plurality of stirring blades (26), and the plurality of stirring blades (26) are arranged at equal distances. 5. A medicinal liquid medicine taking device for pharmaceutical test analysis according to claim 4, wherein the end of the reciprocating screw (8) away from the connecting rod (13) is outside the transmission cylinder (7) A transmission gear (16) is fixedly connected to the part of the medicine box, the transmission gear (16) is engaged with a first rack (17), and the first rack (17) penetrates the top wall of the medicine box (1) and is in the medicine box. The inner part of (1) is meshed with a half gear (18), and the half gear (18) has the same specification as the transmission gear (16). The box (22) is fixedly arranged on the inner top wall of the medicine box (1), the rotation center of the half-gear (18) is fixedly connected with a rotating shaft (19), and one end of the rotating shaft (19) is connected with the transmission box (22). The inner wall is rotatably connected, the end of the shaft (19) away from the transmission box (22) is rotatably connected with the sleeve (22), and the side of the half gear (18) away from the first rack (17) is meshed with a second tooth Rack (20), the second rack (20) has the same specification as the tooth groove part of the first rack (17), the second rack (20) penetrates through the bottom wall of the transmission case (22) and slides therewith A spring (21) is fixedly connected to one end of the second rack (20) outside the transmission case (22), and the fixed end of the spring (21) is fixedly connected to the inner bottom wall of the medicine box (1). 6. A kind of medicinal liquid medicine taking device for pharmaceutical test analysis according to claim 5, is characterized in that, described feed pipe (3) and the bottom of second rack (20) are fixedly connected with a bracket together A rod (29), a feeding port (27) is opened on the top of the side of the medicine box (1) away from the feeding pipe (3), and a feeding hopper (27) is sealed and fixed on the top of the feeding port (27). 28), the feeding hopper (28) adopts a funnel-shaped structure with a wide upper part and a narrow lower part. 7. A medicinal liquid medicine taking device for pharmaceutical test analysis according to claim 6, wherein the quantity of the stirring blade (26) is not less than three, and the number of the inclined pipe (4) is not less than three. The inclination direction is set so that the high end is located on the side close to the casing (2) and the low end is located on the side close to the discharge pipe (4), the outer side of the hand rocker (14) is fixedly provided with a protective layer and the protective layer is made of rubber material The sleeve (2) is sealed through the bottom of the transmission case (22) and is fixedly connected with the transmission case (22). The first rack (17) and the second rack (20) are connected to the transmission case (22). 22) The joints are all provided with sealing layers.

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