CN202676690U - Universal dissolution instrument - Google Patents
Universal dissolution instrument Download PDFInfo
- Publication number
- CN202676690U CN202676690U CN 201220241217 CN201220241217U CN202676690U CN 202676690 U CN202676690 U CN 202676690U CN 201220241217 CN201220241217 CN 201220241217 CN 201220241217 U CN201220241217 U CN 201220241217U CN 202676690 U CN202676690 U CN 202676690U
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- Prior art keywords
- driving head
- shaft
- pad
- gas spring
- spring
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- Expired - Lifetime
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Abstract
The utility model discloses a universal dissolution instrument for testing dissolution rate of a tablet. Each dissolution cup is provided with a stirring paddle, each stirring paddle is fixedly connected with the lower end of a stirring shaft, and the upper end of the stirring shaft is externally sleeved with a shaft sleeve, penetrates through a hole on a support plate of a drive head and is connected with the drive head. A heating box is arranged exactly behind a water tank, and the bottom of the heating box is fixedly connected with a bottom plate of the heating box. a gas spring and three straight tubes are arranged right behind the stirring shaft, upper ends of the gas spring and the three straight tubes are all connected with the support plate of the drive head, lower portions of the same are all inserted in the heating box, and lower ends of the same are all connected with the bottom plate of the heating box. Two linear bearings arranged axially and vertically are disposed in an inner cavity of each straight tube. The lower end of a drive shaft is sleeved in the two linear bearings and the upper end of the drive shaft is fixedly connected with the support plate of the drive head. The lower portion of the support plate of the drive head is provided with a spring lock rod mechanism capable of locking the drive head. Vertical lifting of the drive head is achieved under the drive of the gas spring, the stirring shaft and the dissolution cup are guaranteed to be concentric all the time, and precision and efficiency of testing are improved.
Description
Technical field
The utility model relates to a kind of tablet detecting instrument, the digestion instrument of specifically dissolution rate of tablet being tested.
Background technology
Tablet stripping test comprises that rotational speed size, temperature height, paddle size, shaft center and stripping rotor center are concentric etc.Existing digestion instrument structure comprises 8-12 molten cup, paddle is stretched in molten cup, paddle is stirring in molten cup under the driving of driving head by connected shaft, its defective is: because the location of driving head is inaccurate, cause shaft center and molten cup center once being difficult to guarantee again with one heart after the operation, often will be by manually readjusting the center of shaft, this not only loses time, and difficult shaft center and the molten cup centres of guaranteeing still after readjusting.
Summary of the invention
The purpose of this utility model is to provide all high general-purpose digestion instruments of a kind of precision of test and efficient for the defective that overcomes above-mentioned prior art.
To achieve these goals, the technical solution adopted in the utility model is: its topmost is the driving head back up pad, foot is base, be fixedly installed water tank on the base, have 8～12 molten cups to arrange and be suspended in the water tank by front and back two row, the axle center of molten cup is equipped with a paddle perpendicular to the driving head back up pad in each molten cup, each paddle all is fixedly connected with the lower end of shaft, and the upper end overcoat axle sleeve of shaft and the hole of passing on the driving head back up pad are connected with driving head; The dead astern of water tank is provided with heating cabinet, and the bottom of heating cabinet is fixedly connected with the heating cabinet base plate; The dead astern of shaft arranges gas spring and three straight tubes, the gas spring with are connected the upper end of a straight tube and connect all that driving head back up pad, lower part are all inserted in the heating cabinet, the lower end all is connected with the heating cabinet base plate; Three straight tubes are isosceles triangle and distribute, and the gas spring is by the centre that front recedes and arrange and be positioned at three straight tubes; Driving head comprises motor, belt and gear, and the upper end of each shaft is set with a gear, and all gears all are connected with motor by belt, and motor connects the PLC controller; Be provided with two linear bearings of axially arranging up and down in the straight tube inner chamber; The lower end of driving shaft is inserted in two linear bearings, the affixed driving head back up pad in upper end; The bottom of driving head back up pad is provided with the spring lock linkage, when driving head drops to bottom position, and spring lock linkage lockable driving head.
The utility model is driven by the gas spring, realizes the driving head VTOL (vertical take off and landing), guarantees that shaft and molten cup are concentric all the time, by the work of PLC controller control shaft, has improved precision and the efficient of test.Simultaneously, the utility model is multiple functional, is suitable for the dissolution rate test of various tablets.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the stereographic map of the utility model structure;
Fig. 2 is the partial rear view after Fig. 1 removes heating cabinet 3;
Fig. 3 is the partial enlarged drawing of gas spring lower carriage 32 among Fig. 2;
Fig. 4 is straight tube 13 inner partial structurtes cut-open views among Fig. 2;
Fig. 5 is the johning knot composition of being seen gas spring 2, driving head 6, driving shaft 21, upper bracket 17, heating cabinet base plate 22 and spring lock linkage 7 in the right front of Fig. 1;
Fig. 6 is the left view of Fig. 5;
Among the figure: the 1.PLC liquid crystal touch screen; 2. gas spring; 3. heating cabinet; 4. paddle; 5. molten glass; 6. driving head; 7. spring lock linkage; 8. shaft; 9. molten glass stand; 10. water tank; 11. base; 12. axle sleeve; 13. straight tube; 14.PLC controller; 15. lockhole piece; 16. clamping plate; 17. upper bracket; 18. gear; 19. belt; 20. motor; 21. driving shaft; 22. heating cabinet base plate; 23. back-up block; 24. handle; 25. rubber sheet gasket; 26. spring; 27. locking bar; 28. linear bearing; 29. right angle orifice plate; 30. bolt; 31. driving head back up pad; 32. lower carriage.
Embodiment
Such as Fig. 1, the utility model topmost is driving head back up pad 31, foot is base 11, at base 11 fixed installation water tanks 10, there are 8～12 molten cups 5 to be suspended in the water tank 10, molten glass stand 9 is installed at 10 upper surface places at water tank, molten cup 5 opening up, and the opening part of molten cup 5 is suspended on the molten glass stand 9.8～12 molten cups 5 are arranged by front and back two row, and the central shaft of molten cup 5 is perpendicular to driving head back up pad 31, in each molten cup 5, a paddle 4 is set all, each paddle 4 all is fixedly connected with the lower end of shaft 8, the upper end overcoat axle sleeve 12 of shaft 8, and the hole that the upper end of shaft 8 is passed on the driving head back up pad 31 is connected with driving head 6, and the axle center of shaft 8 is concentric with the axle center of molten cup 5.Heating cabinet 3 is installed in dead astern at water tank 10, and the bottom of heating cabinet 3 is fixedly connected with heating cabinet base plate 22.The fixing PLC liquid crystal touch screen 1 in the positive front of driving head back up pad 31 is convenient to manual observation.
Such as Fig. 1 and Fig. 2, gas spring 2 and three straight tubes 13 are set in the dead astern of shaft 8, gas spring 2 is springs that a kind of compressibility of utilizing the closed container Air of routine is made.Gas spring 2 with are connected the upper end of a straight tube 13 and all connect driving head back up pad 31, the lower part of gas spring 2 and three straight tubes 13 is all inserted in the heating cabinet 3, and gas spring 2 with are connected the lower end of a straight tube 13 and all are connected with the heating cabinet base plate 22 of heating cabinet 3 bottoms.Three straight tubes 13 are isosceles triangle and distribute, and the straight tube 13 at place, isosceles triangle summit is positioned at rear portion, and gas spring 2 is positioned at the centre of three straight tubes 13, and gas spring 2 is by the installation that front recedes.
Such as Fig. 2, driving head 6 is installed on the upper surface of driving head back up pad 31, driving head 6 comprises motor 20, belt 19 and gear 18, the upper end of each shaft 8 is set with a gear 18, all gears 18 all are connected with motor 20 by belt 19, during connection, can be serially connected by the transmission with each gear 18 of one or two belts 19, drive simultaneously 8 rotations of all shafts by motor 20 by belt 19 and gear 18.
Such as Fig. 3, the upper end of gas spring 2 is fixedly connected on the driving head back up pad 31 by upper bracket 17, and the lower end is fixedly connected on the heating cabinet base plate 22 by lower carriage 32.Upper bracket 17 is identical with the structure of lower carriage 32, form by 2 right angle orifice plates 29 and 1 bolt 30 of being connected 2 right angle orifice plates 29, right angle orifice plate 29 be fixed on the driving head back up pad 31 and heating cabinet base plate 22 on, the lower end of gas spring 2 is enclosed within on the bolt 30, rotatably coupling bolt 30.
Such as Fig. 4, two linear bearings 28 are installed in straight tube 13 inner chambers, two lower in the axial direction layouts of linear bearing 28, two linear bearings 28 are socketed in the straight tube 13 with fitting tightly, the upper part of straight tube 13 connects driving shaft 21, be inserted in two linear bearings 28 lower end of driving shaft 21, and the upper end of driving shaft 21 is fixed on the driving head back up pad 31, at straight tube 13 tops rubber sheet gasket 25 is set.
Such as Fig. 1, Fig. 5, shown in Figure 6, in the bottom of driving head back up pad 31 spring lock linkage 7 is set, spring lock linkage 7 is by two back-up blocks 23, a spring 26, locking bar 27, handle 24 and lockhole piece 15 form, interval, two back-up block 23 front and back is arranged between the two row axle sleeves 12 of right side, and two back-up blocks 23 are fixedly connected with driving head back up pad 31, locking bar 27 horizontal positioned, pass two holes on the back-up block 23, empty set is in the hole, front end connecting handle 24 at locking bar 27, at the rear section of locking bar 27 pocketed springs 26, spring 26 is between back-up block 23 and lockhole piece 15, have lockhole on the lockhole piece 15, lockhole piece 15 is fixed on the clamping plate 16, and clamping plate 16 are fastened on the top of the straight tube 13 that is positioned at gas spring 2 right sides.When driving head 6 dropped to minute position, bottom, the center of the lockhole on the axle center of locking bar 27 and the lockhole piece 15 was coaxial, and locking bar 27 can enter lockhole, lockable driving head 6.
The utility model pulls out spring locking bar 7 by handle 24, driving head 6 releases when carrying out tablet stripping test, 2 pairs of driving heads of gas spring, 6 effects power upwards, because the restriction of straight tube 13, driving shaft 21 can only vertical up-or-down movement, thereby drives automatically vertical rise the upwards of driving head 6; With the light pulled down driving head 6 of have gentle hands, driving head 6 will descend very like a cork, when locking bar 27 descends when arriving lockhole, acts on latched position by the elastic force of spring 26; Pass into the constant temperature flowing water of circulation in the water tank 10, medicine is put into the molten cup 5 that solvent is housed, by PLC controller 14 control motors 20, drive shaft 8 and paddle 4 rotations by belt 19 transmissions, medicine begins dissolving, can take out sample behind the certain hour interval, realize thus the vertical displacement movement of driving head 6, the center of the center of shaft 8 and molten cup 5 is once still keeping with one heart after the operation.The size of PLC controller 14 control shafts 8 rotational speeies, time etc., corresponding parameter can show by PLC liquid crystal touch screen 1, thereby greatly improves precision and the efficient of test.
Claims (3)
1. general-purpose digestion instrument, its topmost is driving head back up pad (31), foot is base (11), be fixedly installed water tank (10) on the base (11), there are 8～12 molten cups (5) to arrange and be suspended in the water tank (10) by front and back two row, the axle center of molten cup (5) is perpendicular to driving head back up pad (31), be equipped with a paddle (4) in each molten cup (5), it is characterized in that: each paddle (4) all is fixedly connected with the lower end of shaft (8), and the upper end overcoat axle sleeve (12) of shaft (8) and the hole of passing on the driving head back up pad (31) are connected with driving head (6); The dead astern of water tank (10) is provided with heating cabinet (3), and the bottom of heating cabinet (3) is fixedly connected with heating cabinet base plate (22); The dead astern of shaft (8) arranges gas spring (2) and three straight tubes (13), gas spring (2) with are connected the upper end of a straight tube (13) and connect all that driving head back up pad (31), lower part are all inserted in the heating cabinet (3), the lower end all is connected with heating cabinet base plate (22); Three straight tubes (13) are isosceles triangle and distribute, and gas spring (2) is by the centre that front recedes and arrange and be positioned at three straight tubes (13); Driving head (6) comprises motor (20), belt (19) and gear (18), the upper end of each shaft (8) is set with a gear (18), all gears (18) all are connected with motor (20) by belt (19), and motor (20) connects PLC controller (14); Be provided with two linear bearings (28) of axially arranging up and down in straight tube (13) inner chamber; The lower end of driving shaft (21) is inserted in two linear bearings (28), the affixed driving head back up pad in upper end (31); The bottom of driving head back up pad (31) is provided with spring lock linkage (7), when driving head (6) when dropping to bottom position, and spring lock linkage (7) lockable driving head (6).
2. a kind of general-purpose digestion instrument according to claim 1, it is characterized in that: described spring lock linkage (7) is comprised of two back-up blocks (23), a spring (26), locking bar (27), handle (24) and lockhole piece (15), two back-up blocks (23) all connect driving head back up pad (31) and forward and backward interval is arranged between the two row axle sleeves (12) of right side, and locking bar (27) empty set enters in the hole on two back-up blocks (23); The front end connecting handle (24) of locking bar (27), rear section pocketed springs (26), spring (26) is positioned between back-up block (23) and the lockhole piece (15), the lockhole piece has lockhole on (15), the affixed clamping plate of lockhole piece (15) (16), clamping plate (16) are fixedly connected with the top of the straight tube (13) that is positioned at gas spring (2) right side, when driving head (6) when dropping to bottom position, the axle center of locking bar (27) is coaxial with the center of described lockhole.
3. a kind of general-purpose digestion instrument according to claim 1, it is characterized in that: the positive front of driving head back up pad (31) is provided with PLC liquid crystal touch screen (1), and PLC liquid crystal touch screen (1) connects PLC controller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241217 CN202676690U (en) | 2012-05-28 | 2012-05-28 | Universal dissolution instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220241217 CN202676690U (en) | 2012-05-28 | 2012-05-28 | Universal dissolution instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676690U true CN202676690U (en) | 2013-01-16 |
Family
ID=47497589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220241217 Expired - Lifetime CN202676690U (en) | 2012-05-28 | 2012-05-28 | Universal dissolution instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676690U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954554A (en) * | 2014-04-18 | 2014-07-30 | 吴江市科时达纺织有限公司 | Device for detecting color fastness of fabric |
| CN106442904A (en) * | 2016-09-23 | 2017-02-22 | 梁永革 | Test instrument for dissolution rate of drugs |
| CN109142658A (en) * | 2018-08-23 | 2019-01-04 | 沈阳奥吉娜药业有限公司 | Basket axis conveys lifting rotation component |
| CN109374845A (en) * | 2018-11-05 | 2019-02-22 | 禄根仪器(镇江)有限公司 | A kind of efficient medicament dissolution instrument |
-
2012
- 2012-05-28 CN CN 201220241217 patent/CN202676690U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954554A (en) * | 2014-04-18 | 2014-07-30 | 吴江市科时达纺织有限公司 | Device for detecting color fastness of fabric |
| CN106442904A (en) * | 2016-09-23 | 2017-02-22 | 梁永革 | Test instrument for dissolution rate of drugs |
| CN106442904B (en) * | 2016-09-23 | 2018-08-17 | 梁永革 | A kind of drug dissolution tester |
| CN109142658A (en) * | 2018-08-23 | 2019-01-04 | 沈阳奥吉娜药业有限公司 | Basket axis conveys lifting rotation component |
| CN109374845A (en) * | 2018-11-05 | 2019-02-22 | 禄根仪器(镇江)有限公司 | A kind of efficient medicament dissolution instrument |
| CN109374845B (en) * | 2018-11-05 | 2024-03-29 | 禄根仪器(镇江)有限公司 | Efficient medicine dissolves out appearance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
| CX01 | Expiry of patent term |