CN110732277B

CN110732277B - Multifunctional solution stirring device

Info

Publication number: CN110732277B
Application number: CN201911091981.4A
Authority: CN
Inventors: 宋明奎
Original assignee: Chongqing Wansheng Chuandong Chemical Co ltd
Current assignee: Chongqing Wansheng Chuandong Chemical Co ltd
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2022-06-28
Anticipated expiration: 2039-11-09
Also published as: CN110732277A; CN114515535A

Abstract

The invention relates to an experimental apparatus, and particularly discloses a multifunctional solution stirring device, wherein a telescopic rod, an air pump, a controller, a limiting ring and an electric heating device are arranged on a bearing platform; the telescopic rod is supported by a crank arm to form a stirring ring, an annular cavity and an oblique hole are formed in the stirring ring, and when the air pump works, the oblique hole can blow air to the liquid level in the beaker to drive the solution to rotate; the plummer is installed on miniature platform scale, and miniature platform scale can measure the weight of its upside object and weight change. The multifunctional solution stirring device integrates stirring, heating and weighing functions, can meet various common operation requirements in the experimental process, and the stirring ring is kept in the beaker without influencing the operation of the solution, so that the experimental process is smoother and more efficient, and the accident rate caused by taking and replacing experimental equipment can be effectively reduced; the stirring device has simple structure and low acquisition cost, is beneficial to popularization and use, and has wide application prospect.

Description

Multifunctional solution stirring device

Technical Field

The invention relates to an experimental device, in particular to a solution stirring device.

Background

In scientific research and teaching of physics, biology, especially chemistry, experiments are one of indispensable projects, and the experiment process needs to be completed by depending on special experimental equipment. Generally speaking, the laboratory equipment that teaching unit laboratory was equipped with is all comparatively simple and easy, and in the experimentation, to reaction solution stir mix, heat reaction solution, to solution and medicament carry out routine operation such as weighing measurement all need go on in proper order with the help of solitary instrument, has influenced experimental efficiency on the one hand, and the round trip transfer of articles such as on the other hand laboratory instrument, container, solution, medicament has increased the emergence probability of accident. In the prior art, an integrated experimental instrument with relatively comprehensive functions also exists, a special experimental container is generally required to be equipped for working, the integrated experimental instrument cannot be matched with a beaker which is generally configured in a laboratory for stable working, needs to be purchased integrally in a complete set, has high operation cost and has higher requirements on operation technology, and the experimental instrument is mostly used in professional scientific research laboratories and is not suitable for being used in teaching units for performing exemplary conventional experiments.

Disclosure of Invention

The invention aims to provide a multifunctional solution stirring device which is simple in structure, low in cost, capable of being matched with a beaker to perform experiments and integrating the functions of stirring, heating, weighing and the like.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

a multifunctional solution stirring device comprises a bearing table, wherein a telescopic rod, an air pump, a controller, a limiting ring for limiting a beaker, an electric heating device for heating the bottom of the beaker, and a storage battery for supplying power to the air pump and the electric heating device are arranged on the bearing table; the telescopic rod extends vertically and has adjustable length, and the upper end of the telescopic rod is supported with a stirring ring through a crank arm, so that the stirring ring can be adjusted in height and can be adjusted to the inside of the beaker; the stirring ring is in a horizontal ring shape, an annular cavity and a plurality of inclined holes distributed at equal angle intervals are formed in the stirring ring, the annular cavity is communicated with the output end of the air pump through an air channel, the upper ends of the inclined holes are communicated with the annular cavity, the lower end openings of the inclined holes are located on the lower end face of the stirring ring, and when the air pump works, all the inclined holes can simultaneously blow air to the liquid level in the beaker to drive the solution to rotate; the controller is used for controlling the working states of the electric heating device and the air pump according to the instructions input in the control panel; the bearing platform is arranged on a miniature platform scale, and the miniature platform scale can measure the weight and the weight change of an object on the upper side of the miniature platform scale and output corresponding weight data through a display screen.

The using method and the working principle of the multifunctional solution stirring device are as follows:

when an experiment is to be carried out, firstly, the length of the telescopic rod is adjusted to enable the stirring ring to be positioned at the highest position, the beaker can be placed in the limiting ring under the state, and then the experiment operation can be carried out; in the experimental process, if the solution needs to be heated, the working state of the electric heating device can be adjusted by using the control panel, and the electric heating device heats the bottom of the beaker; if the solution needs to be stirred and uniformly mixed after the medicament is added or the solution needs to be stirred and uniformly heated in the heating process, the length of the telescopic rod is adjusted to enable the stirring ring to enter the beaker and keep a certain distance with the liquid level of the solution, the working state of the air pump is adjusted by using the control panel, then all the inclined holes together blow air to the liquid level in an inclined mode, and the solution in the beaker is driven by the air flow to rotate, so that the stirring purpose is realized; because the stirring ring is annular, the hollow area in the stirring ring can be used for extracting a solution sample, adding a medicament and the like, so that the stirring ring does not need to be moved out of the beaker in the experimental process, and the solution can be stirred timely at any time according to the requirement; in the experimental process, utilize miniature platform scale can carry out corresponding weight measurement to solution weight change, medicament addition amount etc. as required, when the ration adds the medicament, can add the medicament while observing the weight change, for the addition amount of medicament is more accurate, can place the medicament in the container of making clear and definite weight earlier, then place and weigh the measurement on the plummer, wait to transfer the medicament to behind the anticipated dose, add to the solution again.

Compared with the prior art, the multifunctional solution stirring device has the following technical effects:

the multifunctional solution stirring device integrates multiple functions of stirring, heating and weighing, can meet multiple common operation requirements in the experiment process, and can be used for keeping the stirring ring in the beaker in the experiment process without influencing the operations of extracting solution, adding medicament and the like, so that the experiment process is smoother and more efficient, and the accident rate caused by taking and replacing experimental equipment can be effectively reduced; the multifunctional solution stirring device adopts a non-contact stirring mode, and no part is in direct contact with the medicament and the solution, so that the experimental data is more accurate, the damage of the beaker due to improper stirring force can be avoided, the longer service life of the stirring device is ensured, and the cleaning treatment is simpler and easier; the stirring device has simple structure, is matched with beakers commonly configured in laboratories for use, does not need to purchase special containers, has low purchase cost, and is beneficial to popularization and use; in the science teaching of the science teaching especially middle-low stage, most experimental items can be gone on and the experimental material is mostly the solution that the consistency is lower with the help of the beaker, can utilize this multi-functional solution agitating unit to go on and realize anticipated stirring effect, and this multi-functional solution agitating unit has wide application prospect promptly.

Drawings

Fig. 1 is a schematic view of the overall structure of a multifunctional solution stirring device.

Fig. 2 is a partially cut-away schematic structural view of the multifunctional solution stirring device.

Fig. 3 is a second schematic view of the multifunctional solution stirring device with a partially cut-away structure.

FIG. 4 is a sectional view of the platform of the multi-purpose solution stirring apparatus.

FIG. 5 is a schematic view showing a state in which the multi-purpose solution stirring apparatus is used.

Fig. 6 is a schematic structural view of the telescopic rod after further improvement.

In the figure, 1, a control panel, 2, a display screen, 3, a limiting ring, 4, an electric heating device, 5, a stirring ring, 501, an oblique hole, 502, an annular cavity, 6, a crank arm, 601, a flow channel, 7, a handle, 8, a telescopic rod, 801, an upper pipe, 802, a vertical groove, 803, a positioning bolt, 804, a lower pipe, 805, an annular piston, 806, a transverse groove, 9, an electrical apparatus box, 10, a charging interface, 11, a bearing platform, 12, a micro platform scale, 121, a limiting baffle, 122, a weighing sensor, 123, a base, 13, an air pump, 14, a storage battery, 15, a beaker, 16 and a heat insulation layer.

Detailed Description

Referring to fig. 1-5, the invention discloses a multifunctional solution stirring device, which comprises a bearing platform 11 and a miniature platform scale 12, wherein a telescopic rod 8, an air pump 13, a controller, a limiting ring 3, an electric heating device 4 and a storage battery 14 are arranged on the bearing platform 11; the limiting ring 3 is annular and protrudes out of the upper surface of the bearing table 11, and the diameter of the inner ring is slightly larger than the outer diameter of the bottom of the beaker 15 and is used for limiting the beaker 15; the electric heating device 4 is arranged on the bearing platform 11 and positioned in the limiting ring 3, and is used for heating the bottom of the beaker 15 and indirectly heating the solution in the beaker 15, and in the prior art, the electric heating device 4 can be implemented by a resistance type heating disc or an electromagnetic type heating device, and can realize the functions of the electric heating device in the invention; the lower end of the telescopic rod 8 is supported by the bearing platform 11 and is positioned on one side of the limiting ring 3, the telescopic rod extends vertically, the length of the telescopic rod can be adjusted manually, the upper end of the telescopic rod 8 is supported by a crank arm 6 to form a stirring ring 5, the stirring ring 5 is positioned right above the limiting ring 3, the outer diameter of the stirring ring 5 is smaller than the inner diameter of the beaker 15, the height of the stirring ring 5 can be adjusted by adjusting the length of the telescopic rod 8, and the stirring ring 5 can be adjusted to the inside of the beaker 15; the stirring ring 5 is annular and is always horizontal, an annular cavity 502 and a plurality of inclined holes 501 distributed at equal angles at intervals are formed in the stirring ring 5, the annular cavity 502 is communicated with the output end of the air pump 13 through an air passage, the upper end of each inclined hole 501 is communicated with the annular cavity 502, and the lower end of each inclined hole 501 is positioned on the lower end face of the stirring ring 5; when the air pump 13 works, the air output by the air pump enters the annular cavity 502 through the air path, then all the inclined holes 501 blow the air to the liquid level in the beaker 15 simultaneously, and the solution can be driven to rotate due to the included angle between the air flow obliquely blown out by the inclined holes 501 and the liquid level of the solution, so that the aim of stirring the solution is fulfilled; the storage battery 14 is used for providing working voltage for the air pump 13 and the electric heating device 4; the controller is connected with the control panel 1, and can control the working states of the electric heating device 4 and the air pump 13 according to instructions input by the control panel 1, such as adjusting the opening and closing of the electric heating device 4 and the air pump 13, working power and the like; the bearing platform 11 is arranged on the upper side of the micro platform scale 12, and the micro platform scale 12 can measure the weight and the weight change of an object on the upper side and output corresponding weight data through the display screen 2.

referring to fig. 1 and 5, when an experiment is to be performed, firstly, the length of the telescopic rod 8 is adjusted to enable the stirring ring 5 to be located at the highest position, the beaker 15 can be placed in the limiting ring 3 under the state, the limiting ring 3 can prevent the beaker 15 from shifting, and the beaker 15 is ensured to be located right above the electric heating device 4 and right below the stirring ring 5; then, the experiment operation can be carried out, if the solution is required to be heated in the experiment process, the working state of the electric heating device 4 can be adjusted by using the control panel 1, and the electric heating device 4 heats the bottom of the beaker 15 to indirectly heat the solution; if the solution needs to be stirred and mixed uniformly after the medicament is added or the solution needs to be stirred and heated uniformly in the heating process, the length of the telescopic rod 8 is adjusted to enable the stirring ring 5 to enter the beaker 15, a certain distance is kept between the lower end surface of the stirring ring 5 and the liquid level of the solution, the working state of the air pump 13 is adjusted by using the control panel 1 to enable the air pump 13 to output air, then all the inclined holes 501 together blow air to the liquid level in an inclined mode, and the solution in the beaker 15 rotates under the driving of the air flow, so that the aim of stirring the solution is fulfilled; because the stirring ring 5 is annular, the operations of extracting a solution sample, adding a medicament and the like can be carried out by utilizing the hollow area of the stirring ring 5, so that the stirring ring 5 can be left in the beaker 15 in the later experimental process so as to stir the solution in time as required at any time; in the experimental process, the micro platform scale 12 can be used for carrying out corresponding weight measurement on the weight and the change of the solution, the addition amount of the medicament and the like according to needs, when the medicament is quantitatively added, the medicament can be added while the weight change is observed until the expected addition amount is reached, in order to ensure that the addition amount of the medicament is more accurate, the medicament can be firstly placed in a container with definite weight and then placed on the bearing platform 11 for weighing and measuring, and the medicament is added into the solution after the medicament is adjusted to the expected dose.

This multi-functional solution agitating unit collects stirring, heating and multiple functions in an organic whole of weighing, can satisfy the multiple operational requirement commonly used in the experimentation, and in the experimentation, stirring ring 5 can be kept somewhere in beaker 15 and in time stirs solution as required for the experimentation is more smooth and easy and high-efficient, and can effectively reduce the experimental device and get the accident rate of taking, changing and causing.

Referring to fig. 5, the multifunctional solution stirring device adopts a non-contact stirring mode, no part is in direct contact with the medicament and the solution, the medicament is not leaked, the experimental data are more accurate, and the damage of the beaker 15 caused by improper stress in the stirring process can be avoided; meanwhile, the multifunctional solution stirring device is not contacted with the solution, so that the multifunctional solution stirring device has longer service life, and the cleaning treatment is simpler and easier than that of the traditional stirring device.

The multifunctional solution stirring device has a simple structure, works stably, is matched with a beaker 15 commonly configured in a laboratory for use, does not need to purchase a special container, has low purchase cost, and is favorable for popularization and use; in the science teaching of the science and education especially middle and low stage, most experimental items can go on and the experimental material is mostly the solution that the consistency is lower with the help of beaker 15, utilize the air current can drive about solution at beaker 15 internal rotation, can realize anticipated stirring effect with the help of this multi-functional solution agitating unit for this multi-functional solution agitating unit has wide application prospect in the teaching.

Referring to fig. 4, in the multi-functional solution stirring device, the electric heating device 4 is in a disc shape and is installed on the supporting platform 11, and a heat insulation layer 16 is arranged between the electric heating device and the supporting platform.

Referring to fig. 1, in the multi-functional solution stirring device, a handle 7 is provided on the crank arm 6 for easy grasping, so as to facilitate manual adjustment of the position of the stirring ring 5.

Referring to fig. 1 and 3, in the multifunctional solution stirring device, an electrical box 9 located on one side of a limiting ring 3 is arranged on a bearing table 11, a storage battery 14 and an air pump 13 are arranged in the electrical box 9, and a charging interface 10 connected with the storage battery 14 is arranged on the electrical box 9; the lower end of the telescopic rod 8 is fixed on the upper side of the electrical box 9; therefore, the multifunctional solution stirring device is smaller and more compact and is convenient to move.

In the multifunctional solution stirring device, the micro platform scale 12 is used for providing support for the bearing platform 11 and measuring weight change, so the micro platform scale 12 can be implemented by adopting the prior art, for example, the existing micro electronic platform scale can be adopted, but in order to simplify the structure of the multifunctional solution stirring device and stabilize the operation, the micro platform scale 12 preferably adopts the following structure:

Referring to fig. 1, 4 and 5, the micro platform scale 12 includes a base 123, a load cell 122 installed on the upper side of the base 123 for providing the sole support for the load-carrying platform 11 in the vertical direction, and a limit baffle 121 for limiting the load-carrying platform 11 and preventing the load-carrying platform 11 from separating from the base 123; the base 123 is provided with a display screen 2, and the display screen 2 and the control panel 1 are arranged on the same side of the multifunctional solution stirring device; the base 123 is provided with a processor which can calculate weight data based on signals fed back by the load cell 122 and transmit the weight data to the display screen 2.

In the multifunctional solution stirring device, the telescopic rod 8 is used for providing support for the stirring ring 5, has the characteristic of adjustable length, and further can meet the technical requirement of a user on the position adjustment of the stirring ring 5, and the telescopic rod 8 can be implemented by adopting the prior art and has various implementation modes; the air path is used for communicating the air pump 13 with the annular cavity 502 of the stirring ring 5, so that the air output by the air pump 13 can enter the annular cavity 502 and is finally discharged through the inclined hole 501. However, in order to make the multifunctional solution stirring device smaller, more compact and more convenient to use, the telescopic rod 8 of the present invention preferably adopts the following structure:

As shown in fig. 1 and 3, the telescopic rod 8 includes an upper tube 801 and a lower tube 804 both in a hollow tubular shape, the lower tube 804 is supported by the plummer 11 to be vertical, and a lower port of the lower tube 804 is only communicated with an output end of the air pump 13; the lower end of the upper pipe 801 is inserted into the pipe cavity of the lower pipe 804, and the upper end of the upper pipe 801 provides support for the stirring ring 5 through the crank arm 6; the lower end of the upper pipe 801 is sleeved with an annular piston 805 in sliding sealing fit with the inner cavity of the lower pipe 804; a vertical slot 802 extending along the axial direction is formed in the side wall of the upper pipe 801, and a positioning bolt 803 with the inner end extending into the vertical slot 802 is arranged on the side wall of the upper part of the lower pipe 804; the positioning bolt 803 and the vertical slot 802 are matched to realize triple functions, on one hand, when the positioning bolt 803 is not abutted against the bottom of the vertical slot 802, the positioning bolt 803 and the vertical slot 802 are matched to prevent the upper pipe 801 and the lower pipe 804 from rotating relatively, when the beaker 15 is arranged on the limiting ring 3, the upper pipe 801 moves downwards to enable the stirring ring 5 to accurately enter the beaker 15, on the other hand, when the positioning bolt 803 is abutted against the bottom of the vertical slot 802, the relative position of the upper pipe 801 and the lower pipe 804 is locked, namely, the stirring ring 5 is kept at a preset position, on the other hand, the positioning bolt 803 and the vertical slot 802 are matched to limit the moving stroke of the upper pipe 801, and the upper pipe 801 and the lower pipe 804 can be ensured to be always kept in sealing fit without being separated; the inside of the crank arm 6 is provided with a flow channel 601 for communicating the annular cavity 502 in the stirring ring 5 with the upper port of the upper pipe 801, and the flow channel 601 in the crank arm 6, the pipe cavity of the upper pipe 801 and the pipe cavity of the lower pipe 804 jointly form an air path for communicating the annular cavity 502 with the output end of the air pump 13;

Furthermore, the crank arm 6 and the upper tube 801 are of an integral structure, and both are formed by bending a hollow tube;

still further, referring to fig. 6, a lateral groove 806 extending along the circumferential direction is formed on the sidewall of the upper pipe 801, and one end of the lateral groove 806 is communicated with the lower end of the vertical groove 802; when the inner end of the positioning bolt 803 is positioned at the lower end of the vertical slot 802, the inner end of the positioning bolt 803 can enter the horizontal slot 806 by rotating the upper tube 801; after the improvement, if the solution does not need to be stirred in the experiment process, the upper pipe 801 can be adjusted to the highest position and then rotated, so that the inner end of the positioning bolt 803 enters the transverse groove 806, and the stirring ring 5 is positioned at the highest position and is biased to one side of the beaker 15, thereby not causing any obstruction to the experiment operation.

Claims

1. The utility model provides a multi-functional solution agitating unit, its characterized in that includes the plummer: the bearing table is provided with a telescopic rod, an air pump, a controller, a limiting ring for limiting the beaker, an electric heating device for heating the bottom of the beaker, and a storage battery for supplying power to the air pump and the electric heating device; the telescopic rod extends vertically and has adjustable length, and the upper end of the telescopic rod is supported with a stirring ring through a crank arm, so that the stirring ring can be adjusted in height and can be adjusted to the inside of the beaker; the stirring ring is in a horizontal ring shape, an annular cavity and a plurality of inclined holes distributed at equal angle intervals are formed in the stirring ring, the annular cavity is communicated with the output end of the air pump through an air channel, the upper ends of the inclined holes are communicated with the annular cavity, the lower end openings of the inclined holes are located on the lower end face of the stirring ring, and when the air pump works, all the inclined holes can simultaneously blow air to the liquid level in the beaker to drive the solution to rotate; the controller is used for controlling the working states of the electric heating device and the air pump according to the instructions input in the control panel; the bearing platform is arranged on a micro platform scale, and the micro platform scale can measure the weight and the weight change of an object on the upper side of the micro platform scale and output corresponding weight data through a display screen; the crank arm is provided with a handle convenient to hold; the telescopic rod comprises an upper pipe and a lower pipe which are both hollow tubular, the lower pipe is supported by the bearing platform to be vertical, and the lower port of the lower pipe is only communicated with the output end of the air pump; the lower end of the upper pipe is inserted into the pipe cavity of the lower pipe, and the upper end of the upper pipe provides support for the stirring ring through the crank arm; the lower end of the upper pipe is sleeved with an annular piston in sliding sealing fit with the inner cavity of the lower pipe; the side wall of the upper pipe is provided with a vertical groove extending along the axial direction, and the side wall of the upper part of the lower pipe is provided with a positioning bolt of which the inner end extends into the vertical groove; the inner part of the crank arm is provided with a flow passage for communicating the annular cavity in the stirring ring with the upper port of the upper pipe, and the flow passage in the crank arm, the pipe cavity of the upper pipe and the pipe cavity of the lower pipe jointly form an air path for communicating the annular cavity with the output end of the air pump; the crank arm and the upper pipe are of an integral structure and are formed by bending a hollow pipe; a transverse groove extending along the circumferential direction is formed in the side wall of the upper pipe, and one end of the transverse groove is communicated with the lower end of the vertical groove; when the inner end of the positioning bolt is positioned at the lower end of the vertical groove, the inner end of the positioning bolt can enter the transverse groove by rotating the upper pipe.

2. The multi-purpose solution stirring device of claim 1, wherein: the electric heating device is disc-shaped and is arranged on the bearing platform, and a heat insulation layer is arranged between the electric heating device and the bearing platform.

3. The multi-purpose solution stirring device of claim 1, wherein: the bearing table is provided with an electric appliance box positioned on one side of the limiting ring, the storage battery and the air pump are arranged in the electric appliance box, and the electric appliance box is provided with a charging interface connected with the storage battery; the lower end of the telescopic rod is fixed on the upper side of the electrical box.

4. The multi-purpose solution stirring device of claim 1, wherein: the miniature platform scale comprises a base, wherein a weighing sensor for providing unique support for the bearing platform in the vertical direction and a limiting baffle for limiting the bearing platform and preventing the bearing platform from being separated from the base are arranged on the upper side of the base; the base is provided with a display screen, and the display screen and the control panel are arranged on the same side of the multifunctional solution stirring device; the base in be equipped with can be based on the signal calculation weight data of weighing sensor feedback and transmit the treater to the display screen.