CN217189364U - Liquid adding device for medicine dissolving-out instrument - Google Patents
Liquid adding device for medicine dissolving-out instrument Download PDFInfo
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- CN217189364U CN217189364U CN202220901363.2U CN202220901363U CN217189364U CN 217189364 U CN217189364 U CN 217189364U CN 202220901363 U CN202220901363 U CN 202220901363U CN 217189364 U CN217189364 U CN 217189364U
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- drug dissolution
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Abstract
The utility model discloses a liquid feeding device for medicine dissolving-out instrument aims at improving liquid feeding efficiency, its technical scheme: the liquid pumping device comprises a rack, wherein a plurality of liquid pumping modules are arranged on the rack, each liquid pumping module comprises a liquid pumping barrel, a push block is arranged in each liquid pumping barrel, and the push block is connected with the liquid pumping barrel in a sealing manner; the liquid transfer device is characterized by also comprising a liquid transfer block, wherein the liquid transfer block is provided with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are respectively provided with a one-way valve, the liquid pumping cylinder is connected with the liquid transfer block through a liquid conveying pipe, and the liquid pumping or the liquid output is realized by moving the push block in the liquid pumping cylinder; the feed liquor pipe is connected with peripheral hardware solution tank, the output of drain pipe is equipped with a duckbilled valve, belongs to laboratory glassware technical field.
Description
Technical Field
The utility model belongs to the laboratory glassware field, more specifically relates to a liquid feeding device for medicine dissolving-out appearance.
Background
The drug dissolution instrument is an instrument for carrying out drug dissolution experiments; the drug dissolution test is a method for detecting the dissolution rate and dissolution rate of solid drug preparations such as tablets, capsules, granules and the like under certain conditions.
The drug dissolution instrument comprises a box body, a control system, an electric system, a water bath system, a transmission system, a sensor, a paddle rod part, a rotating basket part and other parts, and the precise control system formed by a single-chip microcomputer is used for carrying out centralized control on all the parts; the structure of the device is as shown in a high-efficiency medicine dissolving instrument disclosed in a novel patent publication No. CN208636299U, and the device comprises a water bath box, a dissolving cup, a stirring mechanism and the like;
in a drug dissolution experiment, the solution needs to be sampled and measured at different time points, so as to obtain the dissolution rates at different time points; the solution in the dissolution cup can be reduced by taking the solution for many times, and in order to ensure the accuracy of the measurement result, the same amount of solution needs to be injected again after each sampling;
in the prior art, a plurality of dissolution cups are generally used, and when equal amount of solution is injected, the solution needs to be injected one by manual operation, so the operation is complicated and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a liquid adding device for a medicine dissolving-out instrument, which aims to improve the liquid adding efficiency.
According to a first aspect of the utility model, a liquid adding device for a drug dissolution instrument is provided, which comprises a frame, wherein a plurality of liquid extracting modules are arranged on the frame, each liquid extracting module comprises a liquid extracting barrel, a push block is arranged in each liquid extracting barrel, and the push block is hermetically connected with the liquid extracting barrel; the liquid transfer device is characterized by also comprising a liquid transfer block, wherein the liquid transfer block is provided with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are respectively provided with a one-way valve, the liquid pumping cylinder is connected with the liquid transfer block through a liquid conveying pipe, and the liquid pumping or the liquid output is realized by moving the push block in the liquid pumping cylinder; the liquid inlet pipe is connected with an external solution tank, and the output end of the liquid outlet pipe is provided with a duckbill valve.
The utility model discloses a specific embodiment, a plurality of ejector pad is connected on same connecting block, be equipped with an action bars on the connecting block, through the drive the action bars makes the ejector pad remove.
In a specific embodiment of the present invention, a base is disposed on the frame, and the base is provided with a linear guide rail for guiding the movement of the connecting block.
In a specific embodiment of the present invention, the seat body is further provided with a limiting block, and the position of the limiting block on the seat body is adjustable;
the limiting block is arranged on one side, far away from the push block, of the connecting block and used for limiting the sliding distance of the connecting block.
In a specific embodiment of the present invention, the seat body is provided with a waist-shaped hole extending along the moving direction of the connecting block, and the limiting block is provided with a through hole; the limiting block is locked on the seat body in a mode that the bolt penetrates through the through hole and the waist-shaped hole to be matched with the nut.
In a particular embodiment of the invention, the device further comprises a drive member for providing a force for bringing the connecting block into proximity with the cartridge.
In a particular embodiment of the invention, the driving member is a spring; a fixed block is arranged on the seat body, one end of the spring is connected with the fixed block, and the other end of the spring is connected with the connecting block; the spring is arranged on one side, close to the liquid pumping cylinder, of the connecting block.
In a particular embodiment of the present invention, the liquid suction tube is horizontally arranged on the seat body.
In a specific embodiment of the present invention, the operating rod is provided with a holding rod portion perpendicular to the moving direction of the connecting block.
The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:
in practical application, the liquid extracting modules are a plurality of liquid extracting modules matched with the peripheral dissolving-out cups; the liquid inlet pipe extends into the peripheral solution tank, the output end of the liquid outlet pipe extends into the peripheral dissolution cup, and the liquid inlet pipe, the liquid transfer block and the liquid outlet pipe are filled with solution; the push block is used for plugging one end of the infusion tube connected with the liquid pumping cylinder;
when solution needs to be injected into the dissolving-out cup, the liquid filling work of the dissolving-out cups can be completed only by driving the push blocks to simultaneously move for a preset distance and reset, and the liquid adding efficiency is effectively improved.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
fig. 1 is a front view of embodiment 1 of the present invention;
fig. 2 is a plan view of embodiment 1 of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Example 1
Referring to fig. 1 to 2, a liquid adding device for a drug dissolution instrument includes a frame 1, wherein the frame 1 is provided with a plurality of liquid extraction modules 2, each liquid extraction module 2 includes a liquid extraction barrel 21, a push block 22 is provided in the liquid extraction barrel 21, and the push block 22 is hermetically connected with the liquid extraction barrel 21; the liquid pumping device further comprises a liquid transfer block 23, wherein a liquid inlet pipe 24 and a liquid outlet pipe 25 are arranged on the liquid transfer block 23, check valves A are arranged on the liquid inlet pipe 24 and the liquid outlet pipe 25, the liquid pumping cylinder 21 is connected with the liquid transfer block 23 through a liquid conveying pipe 26, and liquid pumping or output is realized by moving the push block 22 in the liquid pumping cylinder 21; the liquid inlet pipe 24 is connected with an external solution tank, and the output end of the liquid outlet pipe 25 is provided with a duckbill valve B.
In practical application, the liquid extracting modules 2 are a plurality of liquid extracting modules matched with the peripheral dissolving-out cups; the liquid inlet pipe 24 extends into the peripheral solution tank, the output end of the liquid outlet pipe 25 extends into the peripheral dissolution cup, and the liquid inlet pipe 24, the liquid transfer block 23 and the liquid outlet pipe 25 are filled with solution; the push block 22 seals one end of the transfusion tube 26 connected with the liquid pumping cylinder 21;
when the solution is required to be injected into the dissolution cup, the liquid injection work of the dissolution cups can be completed only by driving the plurality of push blocks 22 to simultaneously move for a preset distance and reset, so that the liquid injection efficiency is effectively improved;
specifically, the preset distance moved by the pushing block 22 is set according to the actual liquid adding amount, and the embodiment does not limit the distance;
the number of the liquid extracting modules 2 is adapted to the number of the peripheral dissolution cups, and may be 1, 2, 3 or more, which is not limited in this embodiment, and as a specific implementation of this embodiment, the number of the liquid extracting modules 2 is 8;
the structure of the medicament dissolution instrument can be shown by referring to a high-efficiency medicament dissolution instrument disclosed by the utility model patent publication No. CN208636299U, and the medicament dissolution instrument comprises a machine head and a machine base, wherein the machine head is fixed above a machine set in a lifting way through a hydraulic cylinder, a water bath box is arranged in the machine base, and dissolution cups are arranged in the water bath box in a matrix manner; in actual use, the outlet end of the liquid outlet pipe 25 of the present embodiment extends into the dissolution cup to complete the liquid feeding operation.
By driving the push block 22 to move a preset distance and resetting, it is shown that: the push block 22 is driven to move towards the direction far away from the infusion tube 26, and the liquid pumping work is completed; the push block 22 is driven to move and reset towards the direction close to the infusion tube 26, and the liquid pushing work is completed; thereby realizing the quantitative liquid feeding of the peripheral dissolution cup.
As a specific implementation of this embodiment, the plurality of pushing blocks 22 are connected to the same connecting block 3, an operating rod 4 is disposed on the connecting block 3, the pushing blocks 22 are moved by driving the operating rod 4, and the pushing block is operated manually without an additional driving source, so that the pushing block is convenient to use;
of course, the present embodiment does not exclude the moving and resetting of the pushing block 22 by means of an electric cylinder, an air cylinder, etc. in cooperation with the controller; the duckbill valve B can also be replaced by an electric control valve according to actual working conditions, and the embodiment does not limit the electric control valve.
In this embodiment, be equipped with a pedestal 11 on the frame 1, pedestal 11 is equipped with the linear guide 5 that the direction connecting block 3 removed, guarantees the stability that connecting block 3 removed, also guarantees the accuracy of connecting block 3 moving direction.
In this embodiment, the seat body 11 is further provided with a limit block 6, and the position of the limit block 6 on the seat body 11 is adjustable; the limiting block 6 is arranged on one side of the connecting block 3 far away from the push block 22 and used for limiting the sliding distance of the connecting block 3;
specifically, the sliding distance of the connecting block 3 corresponds to the moving distance of the push block 22, the liquid adding amount of the peripheral dissolution cup can be determined by adjusting the position of the limit block 6, and the structure is simple and the operation is convenient;
as a specific implementation of this embodiment, the seat body 11 is provided with a waist-shaped hole 12 extending along the moving direction of the connecting block 3, and the limiting block 6 is provided with a through hole; the limiting block 6 is locked on the seat body 11 in a manner that the bolt C penetrates through the through hole, the waist-shaped hole 12 and the nut D in a matched manner;
the limiting block 6 is locked at different positions of the waist-shaped hole 12 according to the liquid adding amount;
specifically, the base body 11 comprises a bedplate and supporting legs, and the bedplate is fixedly connected to the frame 1 through the supporting legs.
Preferably, it also comprises a driving member E for providing a force to move the connecting block 3 close to the barrel 21, i.e. it can drive the push block 22 to return;
as a specific implementation of this embodiment, the driving member E is a spring; a fixed block 7 is arranged on the seat body 11, one end of the spring is connected with the fixed block 7, and the other end of the spring is connected with the connecting block 3; the spring is arranged on one side of the connecting block 3 close to the liquid suction cylinder 21;
specifically, the spring is a tension spring;
the driving member E may also be a gas spring, etc., and when the driving member E is a gas spring, it is disposed on the side of the connecting block 3 away from the liquid suction cylinder 21.
In this embodiment, the liquid pumping cylinder 21 is horizontally disposed on the seat body 11, that is, the connecting block 3 moves horizontally, and the operating rod 4 also moves horizontally, so as to facilitate the operation of the worker.
In this embodiment, the operating rod 4 is provided with a holding rod portion perpendicular to the moving direction of the connecting block 3.
In order to determine the filling amount of the peripheral dissolution cup, scales are also arranged on the liquid extraction cylinder 21.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A liquid adding device for a drug dissolution instrument comprises a rack (1) and is characterized in that a plurality of liquid extracting modules (2) are arranged on the rack (1), each liquid extracting module (2) comprises a liquid extracting barrel (21), a push block (22) is arranged in each liquid extracting barrel (21), and the push block (22) is connected with the liquid extracting barrels (21) in a sealing mode; the liquid pump is characterized by further comprising a liquid transfer block (23), wherein a liquid inlet pipe (24) and a liquid outlet pipe (25) are arranged on the liquid transfer block (23), one-way valves (A) are arranged on the liquid inlet pipe (24) and the liquid outlet pipe (25), the liquid pumping cylinder (21) is connected with the liquid transfer block (23) through a liquid conveying pipe (26), and liquid is pumped in or output by moving the push block (22) in the liquid pumping cylinder (21); the liquid inlet pipe (24) is connected with a peripheral solution tank, and the output end of the liquid outlet pipe (25) is provided with a duckbill valve (B).
2. The device according to claim 1, wherein a plurality of said pushing blocks (22) are connected to a same connecting block (3), and an operating lever (4) is provided on said connecting block (3), and said pushing blocks (22) are moved by driving said operating lever (4).
3. The liquid adding device for a drug dissolution instrument according to claim 2, wherein the frame (1) is provided with a seat body (11), and the seat body (11) is provided with a linear guide rail (5) for guiding the movement of the connecting block (3).
4. The liquid adding device for a drug dissolution instrument according to claim 3, wherein the seat body (11) is further provided with a stop block (6), and the position of the stop block (6) on the seat body (11) is adjustable;
the limiting block (6) is arranged on one side, far away from the push block (22), of the connecting block (3) and used for limiting the sliding distance of the connecting block (3).
5. The liquid adding device for the drug dissolution instrument according to claim 4, wherein the seat body (11) is provided with a kidney-shaped hole (12) extending along the moving direction of the connecting block (3), and the limiting block (6) is provided with a through hole; the limiting block (6) is locked on the base body (11) in a mode that the bolt (C) penetrates through the through hole, the waist-shaped hole (12) and the nut (D) in a matched mode.
6. The charging device for a drug dissolution machine according to claim 3, further comprising a driving member (E) for providing a force for bringing the connecting block (3) close to the barrel (21).
7. The charging device for a drug dissolution apparatus according to claim 6, wherein the driving member (E) is a spring; a fixed block (7) is arranged on the seat body (11), one end of the spring is connected with the fixed block (7), and the other end of the spring is connected with the connecting block (3); the spring is arranged on one side of the connecting block (3) close to the liquid suction cylinder (21).
8. The charging device for a drug dissolution machine according to claim 3, wherein the liquid extraction cylinder (21) is horizontally disposed on the holder body (11).
9. The liquid adding device for a drug dissolution instrument according to claim 3, wherein a grip portion perpendicular to a moving direction of the connection block (3) is provided on the operating lever (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220901363.2U CN217189364U (en) | 2022-04-18 | 2022-04-18 | Liquid adding device for medicine dissolving-out instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220901363.2U CN217189364U (en) | 2022-04-18 | 2022-04-18 | Liquid adding device for medicine dissolving-out instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217189364U true CN217189364U (en) | 2022-08-16 |
Family
ID=82774227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220901363.2U Active CN217189364U (en) | 2022-04-18 | 2022-04-18 | Liquid adding device for medicine dissolving-out instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217189364U (en) |
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2022
- 2022-04-18 CN CN202220901363.2U patent/CN217189364U/en active Active
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