CN216525310U

CN216525310U - Moisture tester for preparing moxifloxacin hydrochloride

Info

Publication number: CN216525310U
Application number: CN202123237384.3U
Authority: CN
Inventors: 刘强
Original assignee: Nanjing Huicheng Pharmaceutical Co ltd
Current assignee: Nanjing Huicheng Pharmaceutical Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-13
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a moisture tester for moxifloxacin hydrochloride preparation, which belongs to the technical field of pharmaceutical equipment and comprises a testing base, a testing chamber and a heating mechanism, wherein the testing chamber and the heating mechanism are installed on the testing base, an opening is formed in one end of the testing chamber, a sealing door is hinged to the opening, a moving frame used for placing a sample container is further installed in the testing chamber, the moving frame is controlled by a driving mechanism to move out of the testing chamber along the opening direction, a weighing disc is arranged at the bottom of the testing chamber, and the heating mechanism is installed above the weighing disc. Through removing the frame at the indoor installation of survey, remove the frame and can control through actuating mechanism and remove in the survey, because sample container places on removing the frame, consequently make things convenient for sample container to send into the survey room or shift out the survey room, need not the manual work and get and put, the security of the use of increase to utilize to remove the frame and make sample container place on weighing the dish, guarantee the stationarity that sample container put, increase measurement accuracy.

Description

Moisture tester for preparing moxifloxacin hydrochloride

Technical Field

The utility model relates to the technical field of pharmaceutical equipment, in particular to a moisture tester for moxifloxacin hydrochloride preparation.

Background

An apparatus capable of detecting the water content in various organic and inorganic solid, liquid, gas and other samples is called a moisture meter, and two major types of physical measurement methods and chemical measurement methods can be classified according to the measurement principle. The common methods of physical determination include weight loss method, distillation layering method, gas chromatography analysis method, etc., the weight loss method has the widest application in practical use, the moisture in the sample is dried at high temperature, and the moisture proportion in the sample is calculated by using the sample weight before and after drying.

Use the moisture apparatus to survey the moisture in the powder usually when moxifloxacin hydrochloride medicament research and development, but traditional moisture apparatus is when using, need the staff to place the sample and carry out the moisture survey in the survey room, take out the sample after the survey is accomplished in addition, because rock when the sample is placed and can influence measurement accuracy, and the sample temperature after the stoving moisture is also high, scald user's palm very easily, therefore traditional moisture apparatus use the security not high, it is not accurate enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the sample taking and placing of the moisture tester is not safe and reliable enough, and provides the moisture tester for preparing moxifloxacin hydrochloride.

The moisture tester for preparing moxifloxacin hydrochloride comprises a testing base, a testing chamber and a heating mechanism, wherein the testing chamber and the heating mechanism are installed on the testing base, an opening is formed in one end of the testing chamber, a sealing door is hinged to the opening, a moving frame used for placing a sample container is further installed in the testing chamber, the moving frame is controlled by a driving mechanism to move out of the testing chamber along the opening direction, a weighing disc is arranged at the bottom of the testing chamber, and the heating mechanism is installed above the weighing disc.

Preferably, the bottom of the measuring chamber is provided with an inclined slope, the lowest end of the inclined slope is connected to one side of the opening, and the highest end of the inclined slope is connected to one side of the weighing plate.

Preferably, the moving rack is provided with a bracket with a ring structure, and the sample container is movably arranged in the bracket.

Preferably, the driving mechanism comprises a gear rack mounted on the movable frame, the gear rack is engaged with a gear disc mounted in the measuring chamber, and the gear disc is driven by a motor.

Preferably, the heating mechanism comprises a heating barrel arranged at the top of the measuring chamber, a heating coil is arranged in the heating barrel, and the top of the heating barrel is provided with a vent hole controlled by a one-way valve, so that water vapor generated by heating can be discharged out of the measuring chamber through the vent hole.

Preferably, the top of the measuring chamber is provided with a mounting hole, the outer wall of the heating barrel is provided with a thread groove, and the heating barrel is in threaded connection with the mounting hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. through removing the frame at the indoor installation of survey, remove the frame and can control through actuating mechanism and remove in the survey, because sample container places on removing the frame, consequently make things convenient for sample container to send into the survey room or shift out the survey room, need not the manual work and get and put, the security of the use of increase to utilize to remove the frame and make sample container place on weighing the dish, guarantee the stationarity that sample container put, increase measurement accuracy.

2. Through setting the heating mechanism to the structure that can reciprocate in the survey room, according to how much adjustment heating coil of sample in the sample container and the interval between the sample, both guaranteed that moisture in the sample fully evaporates, can avoid high temperature to destroy the sample again.

Drawings

FIG. 1 is a schematic view showing the structure of a moisture meter according to the present invention.

FIG. 2 is a schematic view of the internal structure of the measuring chamber of the present invention.

Fig. 3 is a schematic view of the mounting structure of the mobile frame according to the present invention.

In the figure: 1. the device comprises a measuring machine base, 2, a measuring chamber, 3, a sealing door, 4, a heating mechanism, 5, a moving frame, 6, a gear disc, 7, a sample container, 8, a weighing disc, 9, an inclined slope, 10, a heating barrel, 11, a heating coil, 12, a thread groove, 13, an air hole, 14, a motor, 15, a bracket, 16 and a gear strip.

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 fig. 1 and 2, the moisture analyzer for preparing moxifloxacin hydrochloride comprises a measuring base 1, a measuring chamber 2 and a heating mechanism 4 which are arranged on the measuring base 1, wherein an opening is formed in one end of the measuring chamber 2, a sealing door 3 is hinged to the opening, a moving frame 5 for placing a sample container 7 is further arranged in the measuring chamber 2, the moving frame 5 is controlled by a driving mechanism to move out of the measuring chamber 2 along the opening direction, a weighing plate 8 is arranged at the bottom of the measuring chamber 2, the heating mechanism 4 is arranged above the weighing plate 8, the sample container 7 is used for containing a sample to be measured, before a test, the moving frame 5 is controlled by the driving mechanism to extend out of the measuring chamber 2, the sample container 7 is placed on the moving frame 5, the moving frame 5 is retracted into the measuring chamber 2 along with the driving mechanism, the sample container 7 is moved onto the weighing plate 8, the weighing plate 8 records the amount of the sample container 7, the sample in the sample container 7 is dried according to the heating mechanism 4 above, so that the moisture of the sample is evaporated, the weighing disc 8 records the weight of the dried sample, the processor arranged in the measuring machine base 1 calculates the weight of the weighing disc 8 twice, and the proportion of the moisture is calculated, so that the sample container 7 is placed in or taken out of the measuring chamber 2 by the movable frame 5, manual taking is not needed, and the use is safer and more reliable.

As shown in fig. 2 and 3, the bottom of the measuring chamber 2 is provided with an inclined slope 9, the lowest end of the inclined slope 9 is connected to one side of the opening, the highest end is connected to one side of the weighing plate 8, the movable frame 5 is provided with a bracket 15 with a ring structure, the sample container 7 is movably placed in the bracket 15, the bottom of the sample container 7 is in a round ball shape, so that the sample container 7 can slide along the inclined slope 9 when contacting with the inclined slope 9, because the sample container 7 is movably placed on the bracket 15, when the sample container 7 is located at the position of the opening of the measuring chamber 2, the bracket 15 completely supports the sample container 7, as the sample container 7 slowly ascends on the inclined slope 9, the sample container 7 is partially separated from the bracket 15, so that the weight of the sample container 7 is transferred to the inclined slope 9, until the sample container 7 moves to the weighing plate 8, and the weight of the sample container 7 completely falls onto the weighing plate 8, the weighing pan 8 can weigh the sample container 7.

As shown in fig. 2 and 3, the driving mechanism includes a rack 16 mounted on the movable frame 5, the rack 16 is engaged with a gear plate 6 mounted in the measuring chamber 2, the gear plate 6 is driven by a motor 14, and the movable frame 5 is moved by driving a gear by the motor 14, so that the movable frame 5 is moved more stably.

As shown in fig. 2, the heating mechanism 4 includes a heating barrel 10 installed at the top of the measuring chamber 2, a heating coil 11 is installed in the heating barrel 10, a vent hole 13 controlled by a check valve is installed at the top of the heating barrel 10, so that the water vapor generated by heating can be discharged out of the measuring chamber 2 through the vent hole 13, the heating mechanism 4 heats up by using the heating coil 11 to dry the sample in the sample container 7, the vent hole 13 can discharge the dried water vapor in a single-way manner, a mounting hole is opened at the top of the measuring chamber 2, a thread groove 12 is installed on the outer wall of the heating barrel 10, the heating barrel 10 is in threaded connection with the mounting hole, the heating barrel 10 adopts a threaded mounting manner, the height of the heating barrel 10 can be adjusted by screwing the heating barrel 10, thereby adjusting the distance between the heating coil 11 and the sample, and enabling the drying temperature not to be too high or too low.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Moisture tester for moxifloxacin hydrochloride preparation comprises a testing base (1), a testing chamber (2) and a heating mechanism (4) which are installed on the testing base (1), and is characterized in that an opening at one end of the testing chamber (2) is provided and an opening is hinged with a sealing door (3), a moving frame (5) for placing a sample container (7) is further installed in the testing chamber (2), the moving frame (5) is controlled by a driving mechanism to move out of the testing chamber (2) along the opening direction, a weighing disc (8) is arranged at the bottom of the testing chamber (2), and the heating mechanism (4) is installed above the weighing disc (8).

2. The moisture meter for moxifloxacin hydrochloride preparation according to claim 1, characterized in that an inclined slope (9) is arranged at the bottom of the measuring chamber (2), the lowest end of the inclined slope (9) is connected to one side of the opening, and the highest end is connected to one side of the weighing plate (8).

3. The moisture meter for moxifloxacin hydrochloride preparation according to claim 1, characterized in that a bracket (15) with a ring structure is mounted on the moving rack (5), and the sample container (7) is movably placed inside the bracket (15).

4. The moisture meter for moxifloxacin hydrochloride preparation according to claim 1, characterized in that the driving mechanism comprises a gear rack (16) mounted on the moving frame (5), the gear rack (16) is engaged with a gear disc (6) mounted in the measuring chamber (2), and the gear disc (6) is driven by a motor (14).

5. The moisture meter for moxifloxacin hydrochloride preparation according to claim 1, wherein the heating mechanism (4) comprises a heating barrel (10) installed on the top of the measuring chamber (2), a heating coil (11) is arranged in the heating barrel (10), and a vent hole (13) controlled by a one-way valve is arranged on the top of the heating barrel (10), so that water vapor generated by heating can be discharged out of the measuring chamber (2) through the vent hole (13).

6. The moisture tester for moxifloxacin hydrochloride preparation according to claim 5, characterized in that a mounting hole is formed in the top of the testing chamber (2), a thread groove (12) is formed in the outer wall of the heating barrel (10), and the heating barrel (10) is in threaded connection with the mounting hole.