CN215640342U

CN215640342U - Quantitative sampling device for pharmaceutical analysis

Info

Publication number: CN215640342U
Application number: CN202120626093.4U
Authority: CN
Inventors: 郑妩媚; 梁旭; 崔晓鸽
Original assignee: Zhengzhou Shuqing Medical College
Current assignee: Zhengzhou Shuqing Medical College
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2022-01-25
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a quantitative sampling device for drug analysis, and particularly relates to the field of biological pharmacy. According to the utility model, the threaded sleeve plate and the transverse plate on the threaded sleeve plate move up and down through the rotation of the screw rod, and the arrangement of the scale marks enables a user to perform height adjustment according to the required liquid medicine amount in the up-and-down moving process, the liquid medicine amount is controlled by the integral structure, the phenomenon that the liquid medicine is absorbed too little or too much due to misoperation of the user is avoided, and the accuracy in the using process of the user is improved.

Description

Quantitative sampling device for pharmaceutical analysis

Technical Field

The utility model relates to the field of biological pharmacy, in particular to a quantitative sampling device for drug analysis.

Background

Pharmaceutical analysis is a subject of chemical, physical, biological and microbiological studies to study chemical tests of drugs, drug stability, bioavailability, clinical monitoring of drugs and qualitative and quantitative determination of active ingredients of herbs. With the improvement of knowledge level of people, various additives are rejected increasingly, and the additives are more willing to accept the form of original state and less processing, and the same is true on medicines, and bottled liquid medicines often have the requirement of accurate quantitative taking so as to ensure the curative effect but not to be excessive.

In the working process of the existing drug analysis sampling, the sampling operation is usually performed manually, but the personnel may not absorb the quantitative liquid medicine accurately due to insufficient experience or improper operation during the operation, and the subsequent operation is influenced at the moment.

Therefore, there is a need to provide a device for analyzing and quantitatively sampling drugs to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide a device for quantitatively sampling a drug for analysis, which moves a threaded sleeve plate and a transverse plate thereon up and down by rotation of a lead screw, and by setting a scale line, a user can adjust the height of the device according to the required amount of liquid medicine during the up and down movement, and the liquid medicine is controlled by the overall structure, so that the situation that the liquid medicine is absorbed too little or too much due to misoperation of the user is avoided, the accuracy of the user during the use is improved, and the problems occurring in the background art are solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a quantitative sampling device for pharmaceutical analysis comprises a tube body, wherein an extrusion plate is arranged inside the tube body, a rubber plug is fixedly arranged at the bottom of the extrusion plate, a push rod is fixedly arranged at the top of the extrusion plate, an opening is formed in the top of the tube body, the top end of the push rod penetrates through the opening and extends to the top of the tube body, a pressing plate is fixedly arranged at the top end of the push rod, a positioning column is fixedly arranged on one side of the tube body, a limiting groove is formed in the top of the positioning column, a lead screw is arranged inside the limiting groove, the bottom end of the lead screw is connected with the bottom of an inner cavity of the limiting groove through a bearing, a threaded sleeve plate is connected to the outer wall of the top end of the lead screw in a threaded manner, the threaded sleeve plate is contacted with the inner wall of the limiting groove, the cross sections of the threaded sleeve plate and the limiting groove are both rectangular, the top end of the threaded sleeve plate penetrates through the limiting groove and extends to the top of the limiting groove, a connecting plate is fixedly arranged at the top of the threaded sleeve plate, one side of the connecting plate, which is close to the tube body, a transverse plate is fixedly arranged, the diaphragm sets up in the clamp plate top, the clamp plate top contacts with diaphragm bottom, the threaded sleeve board is kept away from one side processing of body and is had the scale mark, the fixed intercommunication of body bottom has the feed liquor pipe.

In a preferred embodiment, the front side and the rear side of the pipe body are hinged with support rods, a movable plate is arranged between the bottom ends of the support rods, the movable plate is arranged at the bottom of the liquid inlet pipe, a sealing plug is fixedly arranged at the top of the movable plate, the top end of the sealing plug extends into the bottom end of the liquid inlet pipe, a movable groove is formed in the bottom of the support rods, a telescopic rod is fixedly arranged at the top of an inner cavity of the movable groove, the bottom end of the telescopic rod penetrates through the movable groove and is fixedly connected with the top of one end of the movable plate, a spring is sleeved on the outer wall of the bottom end of the telescopic rod, and the bottom end of the spring is fixedly connected with the top of one end of the movable plate.

In a preferred embodiment, an annular groove is formed in the inner wall of the opening, a first sealing ring is fixedly arranged inside the annular groove, the first sealing ring is sleeved on the outer wall of the top end of the push rod, and the first sealing ring is in contact with the outer wall of the push rod.

In a preferred embodiment, sliding grooves are formed in two sides of the limiting groove, sliding blocks are arranged inside the sliding grooves, and the two sliding blocks are fixedly connected with two sides of the bottom of the threaded sleeve plate respectively.

In a preferred embodiment, a placing groove is formed in the inner wall of the top of the limiting groove, a second sealing ring is fixedly arranged in the placing groove, the second sealing ring is sleeved outside the threaded sleeve plate, and the second sealing ring is in contact with the outer wall of the threaded sleeve plate.

In a preferred embodiment, the bottom of the positioning column is provided with a handle, the handle penetrates through the bottom of the positioning column and extends into the limiting groove, and the handle is fixedly connected with the bottom end of the screw rod.

In a preferred embodiment, the first sealing ring, the second sealing ring and the sealing plug are made of rubber material.

In a preferred embodiment, the pressure plate width is greater than the cross plate width.

The utility model has the technical effects and advantages that:

1. according to the utility model, the threaded sleeve plate and the transverse plate on the threaded sleeve plate move up and down through the rotation of the screw rod, and the arrangement of the scale marks enables a user to perform height adjustment according to the required liquid medicine amount in the up-and-down moving process, the liquid medicine amount is controlled by the integral structure, the situation that the liquid medicine is absorbed too little or too much due to misoperation of the user is avoided, and the accuracy in the using process of the user is improved;

2. according to the utility model, the movable plate is pulled to separate or connect the sealing plug and the liquid inlet pipe, the liquid inlet pipe is sealed during connection, so that external impurities are prevented from entering and liquid medicine is prevented from flowing out, the liquid medicine is conveniently absorbed by a user during separation, and the liquid inlet pipe is protected by the integral structure.

Drawings

Fig. 1 is a sectional view of the overall structure of the present invention.

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention.

Fig. 3 is a front view of the overall structure of the present invention.

Fig. 4 is a side view of the overall structure of the present invention.

Fig. 5 is a sectional view of the support bar, the movable plate and the movable groove of the present invention.

FIG. 6 is a cross-sectional top view of the positioning post, threaded bushing plate and lead screw of the present invention.

FIG. 7 is a front view of the threaded bushing of the present invention.

The reference signs are: 1. a pipe body; 2. a pressing plate; 3. a rubber plug; 4. a push rod; 5. an opening; 6. pressing a plate; 7. a positioning column; 8. a limiting groove; 9. a screw rod; 10. a threaded bushing plate; 11. a connecting plate; 12. a transverse plate; 13. scale lines; 14. a liquid inlet pipe; 15. a support bar; 16. a movable plate; 17. a sealing plug; 18. a movable groove; 19. a telescopic rod; 20. a spring; 21. an annular groove; 22. a first seal ring; 23. a placement groove; 24. and a second seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-7 of the specification, the quantitative sampling device for pharmaceutical analysis of the embodiment comprises a tube body 1, wherein an extrusion plate 2 is arranged inside the tube body 1, a rubber plug 3 is fixedly arranged at the bottom of the extrusion plate 2, a push rod 4 is fixedly arranged at the top of the extrusion plate 2, an opening 5 is formed in the top of the tube body 1, the top end of the push rod 4 penetrates through the opening 5 and extends to the top of the tube body 1, a pressing plate 6 is fixedly arranged at the top end of the push rod 4, a positioning column 7 is fixedly arranged at one side of the tube body 1, a limiting groove 8 is formed in the top of the positioning column 7, a lead screw 9 is arranged inside the limiting groove 8, the bottom end of the lead screw 9 is connected with the bottom of an inner cavity of the limiting groove 8 through a bearing, a threaded sleeve plate 10 is in threaded connection with the outer wall of the top end of the lead screw 9, the threaded sleeve plate 10 is in contact with the inner wall of the limiting groove 8, the sections of the threaded sleeve plate 10 and the limiting groove 8 are both arranged as rectangles, carry on spacingly to threaded sleeve board 10, make it drive diaphragm 12 and reciprocate, carry out the regulation of height as required, threaded sleeve board 10 top is run through spacing groove 8 and is extended to 8 tops of spacing groove, the fixed connecting plate 11 that is equipped with in threaded sleeve board 10 top, connecting plate 11 is close to one side of body 1 and is fixed and is equipped with diaphragm 12, diaphragm 12 sets up in 6 tops of clamp plate, 6 tops of clamp plate contact with diaphragm 12 bottom, one side processing that body 1 was kept away from to threaded sleeve board 10 has scale mark 13, and the user of being convenient for carries out the regulation of height, the fixed intercommunication in body 1 bottom has feed liquor pipe 14, is convenient for absorb the liquid medicine.

Further, annular groove 21 has been seted up to 5 inner walls of opening, annular groove 21 is inside to be fixed and is equipped with first sealing

washer

22, 4 top outer walls of push rod are located to first sealing washer 22 cover, first sealing washer 22 contacts with 4 outer walls of push rod, makes push rod 4 at the in-process that reciprocates, and the inside of body can not gone into to external dust and impurity, causes the pollution to the inside liquid medicine of body 1.

Further, the chutes are formed in two sides of the limiting groove 8, the sliding blocks are arranged inside the chutes and are respectively fixedly connected with two sides of the bottom of the threaded sleeve plate 10, and the threaded sleeve plate 10 is limited by the limiting groove 8 and limited by the sliding blocks and the chutes in the up-and-down moving process, so that the stability of the threaded sleeve plate 10 in the moving process is improved.

Further, standing groove 23 has been seted up to 8 top inner walls of spacing groove, standing groove 23 is inside to be fixed to be equipped with second sealing washer 24, thread sleeve plate 10 outsidely is located to 24 covers of second sealing washer, second sealing washer 24 contacts with thread sleeve plate 10 outer wall, makes thread sleeve plate 10 at the in-process that reciprocates, can not let outside dust go on inside the spacing groove 8, causes the influence to the rotation of lead screw 9, guarantees the smooth and easy nature when lead screw 9 rotates.

Further, 7 bottoms of reference column are equipped with the handle, the handle runs through 7 bottoms of reference column and extends to inside the spacing groove 8, handle and 9 bottom fixed connection of lead screw, the user of being convenient for drives the lead screw through the handle and rotates, makes user easy operation, convenient to use.

Further, the first sealing ring 22, the second sealing ring 24 and the sealing plug 17 are made of rubber materials, so that the sealing plug has good elasticity and restorability, and the pipe body 1 and the limiting groove 8 can be conveniently sealed.

Furthermore, the width of the pressing plate 6 is greater than that of the transverse plate 12, the transverse plate 12 cannot obstruct the use of the pressing plate 6, and a user can conveniently pull the push rod 4 to move through the pressing plate 6.

The implementation scenario is specifically as follows: the user rotates the handle and drives and shifts up by spacing screw sleeve board 10 in spacing groove 8, and through the setting of scale mark 13, make screw sleeve board 10 shift up to suitable height through connecting plate 11 diaphragm 12, after the high certainty, the user shifts up through clamp plate 6 pulling push rod 4 again, make push rod 4 shift up to contact with diaphragm 12 bottom, push rod 4 drives rubber buffer 3 through stripper plate 2 simultaneously and shifts up, absorb the liquid medicine inside body 1 through feed liquor pipe 14, and at this in-process, clamp plate 6 on push rod 4 contacts with diaphragm 12 bottom gradually, the liquid medicine amount inside body 1 has been controlled, avoided the user to take place the liquid medicine because of misoperation and absorbed too little or too much, the accuracy in the user's use has been improved.

Referring to fig. 1, 3, 4 and 5 of the specification, in the quantitative sampling device for pharmaceutical analysis of this embodiment, support rods 15 are hinged to the front and rear sides of a tube body 1, a movable plate 16 is disposed between the bottom ends of the support rods 15, the movable plate 16 is disposed at the bottom of a liquid inlet tube 14, a sealing plug 17 is fixedly disposed at the top of the movable plate 16, the top end of the sealing plug 17 extends into the bottom end of the liquid inlet tube 14 to seal the liquid inlet tube 14, so as to prevent dust and impurities from entering the liquid inlet tube 14, a movable groove 18 is disposed at the bottom of the support rods 15, a telescopic rod 19 is fixedly disposed at the top of an inner cavity of the movable groove 18, the bottom end of the telescopic rod 19 penetrates through the movable groove 18 and is fixedly connected with the top of one end of the movable plate 16, a spring 20 is sleeved on the outer wall of the bottom end of the telescopic rod 19, the bottom end of the spring 20 is fixedly connected with the top of one end of the movable plate 16, the sealing plug 17 on the movable plate 16 is driven to be embedded into the liquid inlet tube 14 by the tension generated when the spring 20 rebounds, the liquid inlet pipe 14 is protected.

The implementation scenario is specifically as follows: the user drives the movable plate 16 to turn to the bottom of the liquid inlet pipe 14 by rotating the support rod 15, then pulls the movable plate 16, so that the sealing plug 17 on the movable plate 16 is separated from the liquid inlet pipe 14, and the support rod 15 is rotated to drive the movable plate 16 to be dislocated with the liquid inlet pipe 14, at the moment, the liquid medicine is conveniently absorbed by the user through operation, after absorption is completed, the user drives the movable plate 16 to turn to the bottom of the liquid inlet pipe 14 by rotating the support rod 15, then pulls the movable plate 16, so that the movable plate 16 drives the sealing plug 17 thereon to move to the bottom of the liquid inlet pipe 14, and then through the arrangement of the spring 20, the movable plate 16 drives the sealing plug 17 to be embedded to the bottom of the liquid inlet pipe 14 by pulling force when rebounding through the spring 20, so as to carry out sealing protection on the liquid inlet pipe 14, and avoid the outflow of the internal liquid medicine or other impurities from entering the pipe body 1.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a pharmaceutical analysis ration sampling device, includes body (1), its characterized in that: the pipe body (1) is internally provided with an extrusion plate (2), the bottom of the extrusion plate (2) is fixedly provided with a rubber plug (3), the top of the extrusion plate (2) is fixedly provided with a push rod (4), the top of the pipe body (1) is provided with an opening (5), the top end of the push rod (4) penetrates through the opening (5) and extends to the top of the pipe body (1), the top end of the push rod (4) is fixedly provided with a pressing plate (6), one side of the pipe body (1) is fixedly provided with a positioning column (7), the top of the positioning column (7) is provided with a limiting groove (8), a lead screw (9) is arranged inside the limiting groove (8), the bottom end of the lead screw (9) is connected with the bottom of an inner cavity of the limiting groove (8) through a bearing, the outer wall at the top end of the lead screw (9) is in threaded connection with a threaded sleeve plate (10), the threaded sleeve plate (10) is in contact with the inner wall of the limiting groove (8), the cross sections of the threaded sleeve plate (10) and the limiting groove (8) are both arranged as rectangles, the utility model discloses a pressure cooker, including threaded sleeve board (10), connecting plate (6), diaphragm (12), clamp plate (6) top and diaphragm (12), threaded sleeve board (10) top is run through spacing groove (8) and is extended to spacing groove (8) top, threaded sleeve board (10) top is fixed and is equipped with connecting plate (11), one side that connecting plate (11) are close to body (1) is fixed and is equipped with diaphragm (12), diaphragm (12) set up in clamp plate (6) top, clamp plate (6) top contacts with diaphragm (12) bottom, one side processing that body (1) were kept away from in threaded sleeve board (10) has scale mark (13), body (1) bottom is fixed the intercommunication has feed liquor pipe (14).

2. A device according to claim 1, wherein: all articulated bracing piece (15) in body (1) front and back both sides, be equipped with fly leaf (16) between bracing piece (15) bottom, fly leaf (16) set up in feed liquor pipe (14) bottom, the fixed sealing plug (17) that is equipped with in fly leaf (16) top, inside sealing plug (17) top extended to feed liquor pipe (14) bottom, movable groove (18) have been seted up to bracing piece (15) bottom, movable groove (18) inner chamber top is fixed and is equipped with telescopic link (19), telescopic link (19) bottom run through movable groove (18) and with fly leaf (16) one end top fixed connection, telescopic link (19) bottom outer wall cover is equipped with spring (20), spring (20) bottom and fly leaf (16) one end top fixed connection.

3. A device according to claim 1, wherein: annular groove (21) have been seted up to opening (5) inner wall, annular groove (21) inside fixed be equipped with first sealing washer (22), push rod (4) top outer wall is located to first sealing washer (22) cover, first sealing washer (22) contact with push rod (4) outer wall.

4. A device for quantitative drug analysis sampling according to claim 1, wherein: the limiting groove (8) is provided with sliding grooves on two sides, sliding blocks are arranged inside the sliding grooves, and the two sliding blocks are fixedly connected with two sides of the bottom of the threaded sleeve plate (10) respectively.

5. A device according to claim 3, wherein: a placing groove (23) is formed in the inner wall of the top of the limiting groove (8), a second sealing ring (24) is fixedly arranged inside the placing groove (23), the second sealing ring (24) is sleeved outside the threaded sleeve plate (10), and the second sealing ring (24) is in contact with the outer wall of the threaded sleeve plate (10).

6. A device according to claim 1, wherein: the handle is arranged at the bottom of the positioning column (7), penetrates through the bottom of the positioning column (7) and extends into the limiting groove (8), and the handle is fixedly connected with the bottom end of the screw rod (9).

7. The device of claim 5, wherein: the first sealing ring (22), the second sealing ring (24) and the sealing plug (17) are all made of rubber materials.

8. A device according to claim 1, wherein: the width of the pressing plate (6) is larger than that of the transverse plate (12).