CN216159805U - Calibrating device for coaxiality of dissolution instrument - Google Patents

Calibrating device for coaxiality of dissolution instrument Download PDF

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Publication number
CN216159805U
CN216159805U CN202122204542.9U CN202122204542U CN216159805U CN 216159805 U CN216159805 U CN 216159805U CN 202122204542 U CN202122204542 U CN 202122204542U CN 216159805 U CN216159805 U CN 216159805U
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Prior art keywords
transmission
fixed base
rod
coaxiality
deflection
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CN202122204542.9U
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Chinese (zh)
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屠炳芳
任兴发
邵锋伟
吴勇
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Shanghai Wellrich Testing Technology Co ltd
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Shanghai Wellrich Testing Technology Co ltd
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Abstract

The utility model discloses a calibrating device for the coaxiality of a dissolution instrument, which relates to the technical field of the calibration of the coaxiality of the dissolution instrument and comprises a measuring rod, a dial indicator, a shaft, a fixed base component and a transmission rod, wherein the measuring rod is sleeved in the fixed base component and extends towards one end, one end of the transmission rod penetrates through a through hole in the fixed base component to be connected with the dial indicator, one end of the measuring rod is fixedly provided with a horizontal limiting anti-deflection component, the other end of the transmission rod is contacted with a vertical limiting anti-deflection component, the end surface of the horizontal limiting anti-deflection component is tightly attached to the end surface of the vertical limiting anti-deflection component, the measuring rod is limited by the horizontal limiting anti-deflection component, the vertical limiting anti-deflection component limits the transmission rod, and the horizontal limiting anti-deflection component and the vertical limiting anti-deflection component adopt two contacted transmission inclined blocks on a vertical surface and a horizontal surface to transmit a distance change value to the dial indicator for numerical value display, the device is not influenced by the deflection force generated by friction in the rotation process.

Description

Calibrating device for coaxiality of dissolution instrument
Technical Field
The utility model relates to the technical field of calibration of the coaxiality of a dissolution instrument, in particular to a calibration device of the coaxiality of the dissolution instrument.
Background
The traditional device is limited to the measurement mode of the coaxiality, such as an inner diameter caliper, a vernier caliper and the like, meanwhile, a great deal of inconvenience is brought to the measurement due to the influence of the structure of the dissolution tester, for example, the selection of measurement points is not uniform, the measurement can only be carried out at the front or the side selection points, the reference value of data is not large, the measurement is complex and the accuracy is not good, CN213688189U discloses a measurement device for measuring the coaxiality of the drug dissolution tester, the problem of the traditional device can be solved, meanwhile, the omnibearing measurement can be carried out quickly and effectively, the convenience is realized, the influence caused by external factors, the structure of the instrument and the like is completely avoided, and the accurate data reference is provided. However, in the rotation process of the device, the fixation of two measuring contact surfaces of the device is poor, the deviation is easy to occur, and meanwhile, the friction resistance is large, the accuracy is not high, so that the change value cannot be sufficiently fed back in the measurement of the contact, and the measurement result is influenced, therefore, a novel measuring device for measuring the swing degree of the drug dissolution instrument is urgently needed to be designed by people in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a calibration device for the coaxiality of a dissolution instrument can limit a measuring rod through a horizontal limiting anti-deflection assembly, limit a transmission rod through a vertical limiting anti-deflection assembly, transmit a distance change value to a dial indicator for numerical display by adopting two contacted transmission inclined blocks on a vertical surface and a horizontal surface through the horizontal limiting anti-deflection assembly and the vertical limiting anti-deflection assembly, so that the device is not influenced by deflection force generated by friction in the rotation process.
In order to solve the problems, the utility model provides a calibration device for the coaxiality of a dissolution instrument, which comprises a measuring rod, a dial indicator, a shaft, a fixed base assembly and a transmission rod, wherein the measuring rod is sleeved in the fixed base assembly and extends towards one end, the dial indicator is arranged at the upper end of the fixed base assembly and is arranged in a corresponding through hole, one end of the transmission rod penetrates through the through hole in the fixed base assembly to be connected with the dial indicator, the fixed base assembly is fixedly sleeved on the shaft, one end of the measuring rod is fixedly provided with a horizontal limiting anti-deflection assembly, the other end of the transmission rod is contacted with a vertical limiting anti-deflection assembly, and the end face of the horizontal limiting anti-deflection assembly is tightly attached to the end face of the vertical limiting anti-deflection assembly.
Preferably, at least 3 linear bearings are arranged, and the linear bearings are fixedly sleeved in the limiting holes in the fixed base assembly.
Preferably, the horizontal limiting deflection preventing assembly comprises a first limiting rod and a transmission lower inclined block, the first limiting rod is sleeved on the linear bearing and extends towards one end to be fixedly connected with the transmission lower inclined block, the first limiting rod is fixedly connected with the transmission lower inclined block through a plunger, the measuring rod is sleeved on the linear bearing and extends towards one end to be fixedly connected with the transmission lower inclined block, and the measuring rod, the first limiting rod and the transmission lower inclined block are fixedly connected through the plunger.
Preferably, the horizontal limiting anti-deflection assembly comprises a second limiting rod and a transmission upper inclined block, the second limiting rod penetrates through the linear bearing at the corresponding position of the fixed base assembly and extends forwards to be connected with the transmission upper inclined block, and the transmission lower inclined block is tightly attached to the inclined surface of the transmission upper inclined block.
Preferably, a measuring head is mounted at the front end of the measuring rod.
Preferably, the measuring rod, the dial indicator, the shaft, the fixed base assembly and the transmission rod are all arranged in the dissolution cup.
Preferably, the knurled screw passes through a locating hole in the fixed base assembly to fixedly sleeve the fixed base assembly on the shaft.
Adopt above-mentioned structure, its beneficial effect lies in:
the utility model is characterized in that one end of a measuring rod is fixedly provided with a horizontal limiting anti-deflection component, the other end of the driving rod is contacted with a vertical limiting anti-deflection component, the end surface of the horizontal limiting anti-deflection component is tightly attached to the end surface of the vertical limiting anti-deflection component, the horizontal limiting anti-deflection component comprises a first limiting rod and a transmission lower inclined block, the first limiting rod is sleeved on a linear bearing and extends towards one end to be fixedly connected with the transmission lower inclined block, the first limiting rod is fixedly connected with the transmission lower inclined block through a plunger, the measuring rod is sleeved on the linear bearing and extends towards one end to be fixedly connected with the transmission lower inclined block, the measuring rod, the first limiting rod and the transmission lower inclined block are fixedly connected through the plunger, the horizontal limiting anti-deflection component comprises a second limiting rod and a transmission upper inclined block, the second limiting rod penetrates through the linear bearing on the corresponding position of the fixed base component and extends forwards to be connected with the transmission upper inclined block, the inclined plane of sloping block closely laminates under the transmission with the transmission, and horizontal spacing subassembly of preventing deflecting can play limiting displacement to the measuring stick, and perpendicular spacing subassembly of preventing deflecting can play spacing effect to the transmission pole, and horizontal spacing subassembly of preventing deflecting and perpendicular spacing subassembly of preventing deflecting adopts two transmission sloping blocks that contact on perpendicular and the horizontal plane to give the percentage table with the distance change value and carry out numerical value display simultaneously, makes the device not receive the influence of the deflection force that the friction produced to the device at the rotation in-process.
Drawings
FIG. 1 is a schematic structural diagram of a device for calibrating the coaxiality of a dissolution instrument.
FIG. 2 is a schematic illustration of the configuration within a dissolution cup of a calibration apparatus for the concentricity of a dissolution apparatus.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a side view of fig. 2.
In the figure: 1-measuring rod, 2-linear bearing, 3-plunger, 4-dial indicator, 5-dissolving cup, 6-shaft, 7-knurled bolt, 8-fixed base component, 9-transmission rod, 10-limiting rod, 11-limiting rod, 12-measuring head, 13-transmission lower inclined block and 14-transmission upper inclined block.
Detailed Description
The utility model is further explained below with reference to the figures and examples.
The first embodiment is as follows: the utility model provides a calibrating device of appearance axiality dissolves out, includes measuring stick 1, percentage table 4, axle 6, fixed base subassembly 8 and transfer line 9, measuring stick 1 cup joints in fixed base subassembly 8 and extends to one end, percentage table 4 is located in fixed base subassembly 8 upper end and locates its corresponding through-hole, transfer line 9 one end is passed through-hole on the fixed base subassembly 8 and is connected with percentage table 4, fixed base subassembly 8 is fixed cup joint on axle 6, its characterized in that: the fixed horizontal limiting anti-deflection assembly that is equipped with of 1 one end of measuring stick, the transfer line 9 other end contacts with perpendicular limiting anti-deflection assembly, the terminal surface of horizontal limiting anti-deflection assembly closely laminates with the terminal surface of perpendicular limiting anti-deflection assembly, measuring head 12 is installed to the front end of measuring stick 1, percentage table 4, axle 6, fixed base subassembly 8 and transfer line 9 all locate in dissolving out cup 5, thereby knurling bolt 7 passes the locating hole on the fixed base subassembly 8 with fixed base subassembly 8 fixed cup joint on axle 6.
Example two: the linear bearings 2 are at least 3, the linear bearings 2 are fixedly sleeved in limiting holes in the fixed base assembly 8, the horizontal limiting deflection preventing assembly comprises a first limiting rod 10 and a transmission lower inclined block 13, the first limiting rod 10 is sleeved in the linear bearings 2 and extends towards one end to be fixedly connected with the transmission lower inclined block 13, the first limiting rod 10 is fixedly connected with the transmission lower inclined block 13 through a plunger 3, the measuring rod 1 is sleeved in the linear bearings 2 and extends towards one end to be fixedly connected with the transmission lower inclined block 13, the measuring rod 1, the first limiting rod 10 and the transmission lower inclined block 13 are fixedly connected through a plunger 3, the horizontal limiting deflection preventing assembly comprises a second limiting rod 11 and a transmission upper inclined block 14, the second limiting rod 11 penetrates through the linear bearings 2 in the corresponding positions of the fixed base assembly 8 and extends forwards to be connected with the transmission upper inclined block 14, and the inclined plane of the transmission lower inclined block 13 is tightly attached to the inclined plane of the transmission upper inclined block 14, the rest technical scheme is the same as the first embodiment.
In order to facilitate understanding of the above-described embodiments of the present invention, the following detailed description will be given of the above-described embodiments of the present invention in a specific manner of use.
Assembling process of the measuring device: firstly, a linear bearing 2 is placed at a corresponding position of a fixed base assembly 8, a plunger 3 is screwed down to fix the linear bearing 2, 3 linear bearings 2 are installed on the fixed base assembly 8, a measuring head 12 is installed at the front end of a measuring rod 1, the measuring rod 1 is sleeved into the linear bearing 2 and penetrates through the linear bearing to be connected with a transmission lower inclined block 13, the plunger 3 is screwed down to fix the measuring rod 1 and the transmission lower inclined block 13, a limiting rod 10 penetrates through the linear bearing 2 positioned below the measuring rod 1 and is connected with the transmission lower inclined block 13, the plunger 3 is screwed down, and the limiting rod 10 and the transmission lower inclined block 13 are fixed; then a limiting rod 11 penetrates through the linear bearing 2 on the corresponding position of the fixed base assembly 8 and is connected with the transmission upper inclined block 14, the plunger 3 is screwed down to fix the limiting rod 11 and the transmission upper inclined block 14, after the limiting rod is placed at a certain position, the dial indicator 4 is placed in a corresponding hole of the fixed base assembly 8, a transmission rod 9 connected with the lower end of the dial indicator 4 is contacted with the transmission upper inclined block, after the limiting rod is screwed to a certain position, the transmission upper inclined block 14 is tightly attached to two inclined planes of the transmission lower inclined block 13, at the moment, under the action of a spring inside the dial indicator, the whole device is in a standby state, the fixed base assembly 8 is sleeved on the shaft 6 and is placed to a proper position, the knurled bolt 7 is screwed down to fix the fixed base assembly 8 on the shaft 6, the shaft 6 fixed with the measuring device is placed in the dissolution cup 5, the measuring rod head 12 is firstly pulled out by hand and then is pulled, after the device is smoothly placed into the dissolution cup 5, the measuring rod head 12 is loosened, the shaft 6 is slowly descended to a proper position, the shaft 6 is transmitted under the control of the dissolution instrument, the whole device is driven to rotate in the dissolution cup, and the measuring rod transmits a distance change value to the dial indicator for numerical value display through the direct contact between the upper transmission inclined block 14 and the lower transmission inclined block 13 due to the change of the distance between the shaft 6 and the dissolution cup 5 in the rotation process.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features of the utility model described herein.

Claims (7)

1. The utility model provides a calibrating device of appearance axiality dissolves out, includes measuring stick (1), percentage table (4), axle (6), fixed base subassembly (8) and transfer line (9), measuring stick (1) cup joints in fixed base subassembly (8) and extends to one end, fixed base subassembly (8) upper end is located in percentage table (4) and locates in its corresponding through-hole, transfer line (9) one end is passed the through-hole on the fixed base subassembly (8) and is connected with percentage table (4), fixed base subassembly (8) are fixed cup joint on axle (6), its characterized in that: one end of the measuring rod (1) is fixedly provided with a horizontal limiting anti-deflection assembly, the other end of the transmission rod (9) is in contact with the vertical limiting anti-deflection assembly, and the end face of the horizontal limiting anti-deflection assembly is tightly attached to the end face of the vertical limiting anti-deflection assembly.
2. The apparatus for calibrating the coaxiality of a dissolution apparatus according to claim 1, wherein: at least 3 linear bearings (2) are arranged, and the linear bearings (2) are fixedly sleeved in limiting holes in the fixed base assembly (8).
3. The apparatus for calibrating the coaxiality of a dissolution apparatus according to claim 2, wherein: horizontal spacing subassembly of preventing deflecting includes down sloping block (13) of first gag lever post (10) and transmission, linear bearing (2) and extend and transmission down sloping block (13) fixed connection are located to first gag lever post (10) cover, sloping block (13) pass through plunger (3) fixed connection under first gag lever post (10) and the transmission, linear bearing (2) and extend and transmission down sloping block (13) fixed connection are located to measuring stick (1) cover, and sloping block (13) all pass through plunger (3) fixed connection under measuring stick (1), first gag lever post (10) and the transmission.
4. The apparatus for calibrating the coaxiality of a dissolution apparatus according to claim 3, wherein: the horizontal limiting deflection preventing assembly comprises a second limiting rod (11) and a transmission upper inclined block (14), the second limiting rod (11) penetrates through the linear bearing (2) on the corresponding position of the fixed base assembly (8) and extends forwards to be connected with the transmission upper inclined block (14), and the transmission lower inclined block (13) is tightly attached to the inclined surface of the transmission upper inclined block (14).
5. The apparatus for calibrating the coaxiality of a dissolution apparatus according to claim 1, wherein: the front end of the measuring rod (1) is provided with a measuring head (12).
6. The apparatus for calibrating the coaxiality of a dissolution apparatus according to claim 1, wherein: the measuring rod (1), the dial indicator (4), the shaft (6), the fixed base assembly (8) and the transmission rod (9) are all arranged in the dissolution cup (5).
7. The apparatus for calibrating the coaxiality of a dissolution apparatus according to claim 1, wherein: the knurled bolt (7) penetrates through a positioning hole in the fixed base assembly (8) so as to fixedly sleeve the fixed base assembly (8) on the shaft (6).
CN202122204542.9U 2021-09-13 2021-09-13 Calibrating device for coaxiality of dissolution instrument Active CN216159805U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122204542.9U CN216159805U (en) 2021-09-13 2021-09-13 Calibrating device for coaxiality of dissolution instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122204542.9U CN216159805U (en) 2021-09-13 2021-09-13 Calibrating device for coaxiality of dissolution instrument

Publications (1)

Publication Number Publication Date
CN216159805U true CN216159805U (en) 2022-04-01

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ID=80848909

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122204542.9U Active CN216159805U (en) 2021-09-13 2021-09-13 Calibrating device for coaxiality of dissolution instrument

Country Status (1)

Country Link
CN (1) CN216159805U (en)

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