A titration device with magnetic stirrer

Abstract

The utility model discloses a titration device with magnetic stirrer relates to titration device technical field, include: adjusting frame body, be located the limiting seat subassembly of adjusting frame body upper, lower, magnetic drive seat subassembly, the magnetic drive seat subassembly includes the assembly station, is located the airbag clamping cover subassembly of assembly station bottom and is located the magnetic drive part of assembly station inside. The utility model discloses through adjusting frame body upper, lower respectively set limiting seat subassembly, magnetic drive seat subassembly, can realize the setting of titration tube structure, container body relative and inlay, guarantees the accuracy of titration operation, and the airbag clamping cover subassembly of magnetic drive seat subassembly, it can carry out the suspension clamping to the container of ball bottom, sharp bottom, columnar etc. Bottom surface not easy to flatten, cooperate the magnetic drive part of setting, complete the rotation mixing operation of the solution in the container of different bottom.

Description

Technical Field

[0001] This utility model relates to the field of titration device technology, specifically a titration device with a magnetic stirrer. Background Technology

[0002] Titration is a classic quantitative analysis method in chemical experiments, mainly used to determine the concentration of a specific substance in a solution. Its core principle is to react a standard solution (titrant) of known concentration with the solution to be tested in a quantitative manner. The content of the analyte is calculated by measuring the volume of standard solution consumed at the endpoint of the reaction. However, during the quantitative reaction between the standard solution (titrant) and the solution to be tested, the solution needs to be mixed while the titrant is being added, which presents some inconveniences.

[0003] First, manual titration and mixing operations have low mixing efficiency. In order to improve mixing efficiency, magnetic stirrers are often used in laboratories. However, existing magnetic stirrers use a magnetic field to drive a magnetic stir bar placed in a container to rotate in a circular motion to achieve the purpose of stirring liquid. But they are not convenient to use for containers with uneven bottoms, such as spherical bottoms, pointed bottoms, and cylindrical containers.

[0004] To overcome the above problems, a titration device with a magnetic stirrer is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide a titration device with a magnetic stirrer. This device can achieve the relative and embedded setting of the burette structure and the container body by adjusting the limiting seat assembly and the magnetic drive seat assembly set on the upper and lower parts of the frame, so as to ensure the accuracy of the titration operation. The airbag clamping sleeve assembly where the magnetic drive seat assembly is located can suspend and clamp containers with spherical bottom, pointed bottom, cylindrical or other bottom surfaces that are not easy to flatten. With the help of the set magnetic drive component, the rotational mixing operation of the solution inside the container with different bottom is completed.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a titration device with a magnetic stirrer, comprising: an adjusting frame; a limiting seat assembly and a magnetic drive seat assembly disposed on the upper and lower parts of the adjusting frame, wherein the magnetic drive seat assembly is used for placing the container body, and the limiting seat assembly is equipped with a burette structure with a pointed tip extending into the container body, and under the action of the adjusting frame, the embedding depth of the burette structure and the container body can be adjusted; the magnetic drive seat assembly includes an assembly platform, an airbag clamping sleeve assembly disposed at the bottom of the assembly platform for fixing the bottle mouth of the container body; and a magnetic drive component disposed inside the assembly platform, which, when the magnetic drive component is running, drives the airbag clamping sleeve assembly to rotate at high speed to complete the mixing of the solution inside the container body.

[0007] Preferably, the airbag clamping sleeve assembly includes an assembly piece fixed to the bottom of the assembly table, wherein the assembly piece communicates with a through groove in the middle of the assembly table; a limiting groove is provided at the bottom of the assembly piece, and a plurality of limiting blocks are provided in the limiting groove; and an assembly plate fixed on each of the limiting blocks, wherein a transmission sleeve is fixed to the inner end of the plurality of assembly plates, wherein the transmission sleeve is connected to a magnetic drive component; and further includes an airbag ring assembly assembled on the transmission sleeve for clamping and fixing the bottle mouth of the limiting part.

[0008] Preferably, the airbag ring assembly includes an annular bladder fixed to the bottom of the transmission sleeve; a mounting box disposed on the side wall of the transmission sleeve, wherein a gas generator is provided inside the mounting box, and the end of the connecting pipe fixed to the output end of the gas generator passes through a through hole opened in the side wall of the mounting box and communicates with the annular bladder; and a switch installed on the side wall of the mounting box for controlling the start and stop of the gas generator.

[0009] Preferably, the magnetic drive component includes a coil annularly mounted on the inner wall of the through slot, a magnetic rotor disposed inside the coil, and positive and negative terminals disposed on the surface of the assembly table for connecting wires and for switching the coil on and off.

[0010] Preferably, the burette structure includes a burette body composed of a rubber cap and a pointed glass tube, a limiting part provided at the connection between the rubber cap and the pointed glass tube where the burette body is located, and a scale installed on the side wall of the pointed glass tube.

[0011] Preferably, the limiting seat assembly includes an assembly rod, and a limiting ring is fixed to the end of the assembly rod, wherein the limiting ring is used for limiting overlap of the limiting part.

[0012] Preferably, the end of the assembly rod near the limiting ring is further provided with a stirring structure. The stirring structure includes an assembly block fixed on the assembly rod, an assembly ring fixed on the assembly block and positioned below the limiting ring; an outer threaded sleeve installed below the assembly ring, a handle fixed to the outer periphery of the outer threaded sleeve; and an inner threaded sleeve threadedly connected to the outer threaded sleeve, a vertical rod fixed to the bottom of the inner threaded sleeve in an annular shape; and stirring components installed at the bottom ends of several vertical rods.

[0013] Preferably, the adjusting frame includes an L-shaped frame, wherein the top of the vertical section of the L-shaped frame is assembled with an assembly rod; and a locking groove is formed in the vertical section of the L-shaped frame, and an i-shaped frame is slidably installed with the locking groove, wherein the i-shaped frame is assembled with an assembly table; and further includes a screw hole formed in the i-shaped frame, wherein a bolt is provided in the screw hole.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This utility model features an assembly platform that is fitted with an adjustment frame. The lower part of the platform is equipped with an airbag clamping sleeve assembly, which contains a magnetic drive component. The airbag clamping sleeve assembly is used to limit and clamp the bottle opening of the container body, while the magnetic drive component indirectly drives the container body to rotate horizontally by rotating the airbag clamping sleeve assembly at high speed, thereby promoting the mixing of the solution inside the container body. This design can suspend and clamp containers with spherical bottoms, pointed bottoms, cylindrical shapes, or other bottom surfaces that are difficult to flatten. This not only improves practicality but also allows for clearer observation of reaction phenomena, color changes, precipitation formation or dissolution, and bubble generation. Attached Figure Description

[0016] Figure 1 This is a first-view structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the second-view structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the third-view structure of this utility model;

[0019] Figure 4 This is an enlarged structural schematic diagram of the magnetic drive base assembly of this utility model;

[0020] Figure 5 This is a partial disassembly diagram of the present invention;

[0021] Figure 6 This is an enlarged structural diagram of the stirring structure of this utility model;

[0022] Figure 7 This is a magnified structural diagram of point A;

[0023] Figure 8 This is an enlarged structural schematic diagram of the transmission sleeve.

[0024] In the diagram: 111, L-shaped frame; 112, locking groove; 113, U-shaped frame; 114, bolt; 211, assembly table; 212, magnetic drive component; 2121, magnetic rotor; 2122, coil; 2123, positive and negative terminals; 213, airbag clamping sleeve assembly; 2131, assembly kit; 2132, limiting groove; 2133, limiting block; 2134, assembly plate; 2135, transmission sleeve; 214, airbag ring assembly; 2141 1. Annular capsule; 2142. Mounting box; 2143. Connecting pipe; 2144. Switch; 311. Assembly rod; 312. Limiting ring; 313. Assembly block; 314. Assembly ring; 315. Inner threaded sleeve; 316. Handle; 317. Vertical rod; 318. Stirring component; 319. Outer threaded sleeve; 411. Burette body; 4111. Rubber cap; 4112. Pointed glass tube; 412. Limiting part; 413. Scale; 511. Container body. Detailed Implementation

[0025] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0026] Example 1

[0027] Please see Figures 1 to 8 The present invention preferably provides the following technical solution: a titration device with a magnetic stirrer, comprising: an adjusting frame; a limiting seat assembly and a magnetic drive seat assembly disposed on the upper and lower parts of the adjusting frame, wherein the magnetic drive seat assembly is used for placing the container body 511, and the limiting seat assembly is equipped with a burette structure with a pointed tip extending into the container body 511, and under the action of the adjusting frame, the embedding depth of the burette structure and the container body 511 can be adjusted; the magnetic drive seat assembly includes an assembly platform 211, an airbag clamping sleeve assembly 213 disposed at the bottom of the assembly platform 211 for fixing the bottle mouth of the container body 511; and a magnetic drive component 212 disposed inside the assembly platform 211, which, when the magnetic drive component 212 is running, drives the airbag clamping sleeve assembly 213 to rotate at high speed to complete the mixing of the solution inside the container body 511.

[0028] In this embodiment, a limiting seat assembly and a magnetic drive seat assembly are respectively provided on the upper and lower parts of the adjusting frame. Under the action of the adjusting frame, the distance between the two can be adjusted. These two assemblies are used for placing the burette structure and the container body 511, respectively. Figure 1 , 2 As shown in Figures 3 and 5, the burette tip extends into the container body 511, thereby adjusting the embedding depth of the burette structure and the container body 511. In this embodiment, the embedding depth adjustment is to adjust the distance between the burette tip and the liquid level inside the container body 511, so as to reduce the phenomenon of solution adhering to the wall when the solution inside the container body 511 is mixed by the magnetic drive seat assembly, and to ensure the titration accuracy.

[0029] The specific principle and operation of the magnetic drive base assembly driving the container body 511 to rotate rapidly are as follows: (Combined with...) Figure 1 , 3As shown in Figure 5, the assembly platform 211 assembled with the adjustment frame has an airbag clamping sleeve assembly 213 installed at its lower part, and a magnetic drive component 212 is provided inside. The airbag clamping sleeve assembly 213 is used for limiting and clamping the bottle mouth of the container body 511, while the magnetic drive component 212 indirectly drives the container body 511 to rotate horizontally by driving the airbag clamping sleeve assembly 213 to rotate at high speed, thereby driving the mixing of the solution inside the container body 511.

[0030] This application achieves a relative and embedded arrangement of the burette structure and container body 511 by setting a limiting seat assembly and a magnetic drive seat assembly on the upper and lower parts of the adjusting frame, respectively, to ensure the accuracy of the titration operation. The airbag clamping sleeve assembly 213, where the magnetic drive seat assembly is located, can suspend and clamp containers with bottoms that are not easy to flatten, such as spherical bottoms, pointed bottoms, and cylindrical shapes. In conjunction with the set magnetic drive component 212, the rotational mixing operation of the solution inside the container with different bottoms is completed. This design not only allows for better observation of reaction phenomena, color changes, precipitation or dissolution, bubble generation, etc., but also improves practicality.

[0031] Example 2

[0032] As another embodiment of the present invention, the airbag clamping sleeve assembly 213 includes an assembly sleeve 2131 fixed to the bottom of the assembly table 211, wherein the assembly sleeve 2131 communicates with a through groove opened in the middle of the assembly table 211; a limiting groove 2132 is opened at the bottom of the assembly sleeve 2131, and a plurality of limiting blocks 2133 are provided in the limiting groove 2132; and an assembly plate 2134 fixed on each limiting block 2133, wherein a transmission sleeve 2135 is fixed on the inner end of the plurality of assembly plates 2134, wherein the transmission sleeve 2135 is connected to the magnetic drive component 212; and also includes an airbag ring assembly 214 assembled on the transmission sleeve 2135 for clamping and fixing the bottle mouth of the limiting part 412.

[0033] Given, combined Figure 3 , 4 As shown in Figure 8, the assembly 2131 is connected to the through slot in the middle of the assembly table 211. The limiting slot 2132, limiting block 2133 and assembly plate 2134 on the assembly 2131 are connected to the transmission sleeve 2135. When the airbag ring assembly 214 mounted on the transmission sleeve 2135 clamps the bottle mouth of the container body 511, the transmission sleeve 2135 is rotated rapidly by the magnetic drive component 212, thereby realizing the horizontal rotation operation of the container body 511 and the mixing operation of the solution inside the container body 511.

[0034] Furthermore, the airbag ring assembly 214 includes an annular bladder 2141 fixed to the bottom of the transmission sleeve 2135; a mounting box 2142 disposed on the side wall of the transmission sleeve 2135, wherein a gas generator is disposed inside the mounting box 2142, and the end of the connecting pipe 2143 fixed at the output end of the gas generator passes through a through hole opened in the side wall of the mounting box 2142 and communicates with the annular bladder 2141; and a switch 2144 installed on the side wall of the mounting box 2142 for controlling the start and stop of the gas generator.

[0035] Combination Figure 3 , 4 As shown in Figure 8, the gas generator inside the mounting box 2142 is connected to the annular bladder 2141, and the switch 2144 outside the mounting box 2142 can be used to control the start and stop of the gas generator. Therefore, by operating the switch 2144, the annular bladder 2141 can be expanded or retracted, thereby clamping or detaching from the container body 511.

[0036] Example 3

[0037] In another embodiment of the present invention, the magnetic drive component 212 includes a coil 2122 annularly mounted on the inner wall of the through groove, a magnetic rotor 2121 disposed inside the coil 2122, and positive and negative terminals 2123 disposed on the surface of the assembly table 211 for connecting wires and for switching the coil 2122 on and off.

[0038] like Figure 4 , 8 As shown, both coil 2122 and magnetic rotor 2121 are existing technologies. The principle is mainly to use the energized coil 2122 (that is, the stator winding) to generate a rotating magnetic field and act on the magnetic rotor 2121 to form a magnetoelectric rotation torque, thereby realizing the high-speed rotation of the magnetic rotor 2121. This application uses the high-speed rotation of the magnetic rotor 2121 to drive the transmission sleeve 2135 to rotate, thereby realizing the rotation process of the container body 511.

[0039] Example 4

[0040] As another embodiment of the present invention, the burette structure includes a burette body 411 composed of a rubber cap 4111 and a pointed glass tube 4112, a limiting part 412 provided at the connection between the rubber cap 4111 and the pointed glass tube 4112 where the burette body 411 is located, and a scale 413 installed on the side wall of the pointed glass tube 4112; further, the limiting seat assembly includes an assembly rod 311, and a limiting ring 312 is fixed at the end of the assembly rod 311, wherein the limiting ring 312 is used for limiting the overlap of the limiting part 412.

[0041] Combination Figure 1 , 5As shown in Figure 7, when the pointed glass tube 4112 is passed through the limiting ring 312, the limiting part 412 between the cap 4111 and the pointed glass tube 4112 can be set up with the limiting ring 312 for placing the burette body 411. At this time, the tip of the pointed glass tube 4112 extends into the container body 511. When the cap 4111 is squeezed, the liquid can be squeezed in and metered in conjunction with the scale 413.

[0042] Example 5

[0043] As another embodiment of this utility model, the end of the assembly rod 311 near the limiting ring 312 is also provided with a stirring structure. The stirring structure includes an assembly block 313 fixed on the assembly rod 311, an assembly ring 314 fixed on the assembly block 313 and placed below the limiting ring 312; and an outer threaded sleeve 319 installed below the assembly ring 314, with a handle 316 fixed on the outer periphery of the outer threaded sleeve 319; it also includes an inner threaded sleeve 315 threadedly connected to the outer threaded sleeve 319, with a vertical rod 317 fixed in a ring at the bottom of the inner threaded sleeve 315; and stirring elements 318 are installed at the bottom ends of several vertical rods 317.

[0044] Combination Figure 5 , 6 7. The detachable installation of the inner threaded sleeve 315 and the outer threaded sleeve 319 facilitates the disassembly and cleaning of the inner threaded sleeve 315 and its structure. When the burette body 411 passes through the limiting ring 312, the assembly ring 314, and the outer threaded sleeve 319 and extends into the container body 511, the vertical rod 317 fixed in the ring at the bottom of the inner threaded sleeve 315 is placed on the outer periphery of the pointed glass tube 4112, while the stirring element 318 extends into the solution inside the container body 511. When the container body 511 rotates at high speed, the fixed stirring element 318 can stir the solution, improving the mixing efficiency.

[0045] Example 6

[0046] As another embodiment of this utility model, the adjusting frame includes an L-shaped frame 111, wherein the top of the vertical section of the L-shaped frame 111 is assembled with the assembly rod 311; and a locking groove 112 is opened in the vertical section of the L-shaped frame 111, and an incline frame 113 is slidably installed with the locking groove 112, wherein the incline frame 113 is assembled with the assembly table 211; and also includes a screw hole opened in the incline frame 113, and a bolt 114 is provided in the screw hole.

[0047] Since the assembly rod 311 is mounted on the top of the vertical section of the L-shaped frame 111, and the assembly table 211 is mounted on the chamfered frame 113 located on the vertical section of the L-shaped frame 111 and movable up and down, the height of the assembly table 211 can be adjusted by adjusting the height of the chamfered frame 113, thereby further adjusting the distance between the container body 511 and the burette body 411.

[0048] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Among these, there are various methods of detachable installation, such as using a combination of plug-in and snap-fit, or using bolt connections, etc.

[0049] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A titration apparatus with a magnetic stirrer, characterized in that, include: Adjust the frame; The limiting seat assembly and the magnetic drive seat assembly are provided on the upper and lower parts of the adjustment frame. The magnetic drive seat assembly is used to place the container body (511). The limiting seat assembly is equipped with a burette structure with a pointed tip that extends into the container body (511). Under the action of the adjustment frame, the embedding depth of the burette structure and the container body (511) can be adjusted. The magnetic drive base assembly includes an assembly platform (211) and an airbag clamping sleeve assembly (213) located at the bottom of the assembly platform (211) for fixing the bottle mouth of the container body (511). And a magnetic drive component (212) located inside the assembly table (211), which, when the magnetic drive component (212) is running, drives the airbag clamping sleeve assembly (213) to rotate at high speed to complete the mixing of the solution inside the container body (511).

2. The titration apparatus with a magnetic stirrer according to claim 1, characterized in that: The airbag clamping sleeve assembly (213) includes an assembly sleeve (2131) fixed to the bottom of the assembly table (211), wherein the assembly sleeve (2131) communicates with a through slot opened in the middle of the assembly table (211). The bottom of the assembly (2131) is provided with a limiting groove (2132), and a plurality of limiting blocks (2133) are provided in the limiting groove (2132). And an assembly plate (2134) fixed on each of the limiting blocks (2133), wherein a transmission sleeve (2135) is fixed on the inner end of a plurality of the assembly plates (2134), wherein the transmission sleeve (2135) is connected to the magnetic drive component (212); It also includes an airbag ring assembly (214) mounted on the transmission sleeve (2135) for clamping and fixing the bottle mouth of the limiting part (412).

3. The titration apparatus with a magnetic stirrer according to claim 2, characterized in that: The airbag ring assembly (214) includes an annular bladder (2141) fixed to the bottom of the transmission sleeve (2135). A mounting box (2142) is provided on the side wall of the transmission sleeve (2135), wherein a gas generator is provided inside the mounting box (2142), and the end of the connecting pipe (2143) fixed at the output end of the gas generator passes through the through hole opened in the side wall of the mounting box (2142) and communicates with the annular bladder (2141). And a switch (2144) installed on the side wall of the mounting box (2142) for controlling the start and stop of the gas generator.

4. A titration apparatus with a magnetic stirrer according to claim 2, characterized in that: The magnetic drive component (212) includes a coil (2122) annularly mounted on the inner wall of the through slot, and a magnetic rotor (2121) disposed inside the coil (2122). And positive and negative terminals (2123) provided on the surface of the assembly table (211) for connecting wires, for turning the coil (2122) on and off.

5. A titration apparatus with a magnetic stirrer according to claim 1, characterized in that: The burette structure includes a burette body (411) consisting of a rubber cap (4111) and a pointed glass tube (4112), and a limiting part (412) provided at the connection between the rubber cap (4111) and the pointed glass tube (4112) of the burette body (411). And the scale (413) installed on the side wall of the pointed glass tube (4112).

6. A titration apparatus with a magnetic stirrer according to claim 1, characterized in that: The limiting seat assembly includes an assembly rod (311), and a limiting ring (312) is fixed at the end of the assembly rod (311), wherein the limiting ring (312) is used for limiting overlap of the limiting part (412).

7. A titration apparatus with a magnetic stirrer according to claim 6, characterized in that: The end of the assembly rod (311) near the limiting ring (312) is also provided with a stirring structure. The stirring structure includes an assembly block (313) fixed on the assembly rod (311), and an assembly ring (314) placed below the limiting ring (312) is fixed on the assembly block (313). and an outer threaded sleeve (319) installed below the assembly ring (314), the outer threaded sleeve (319) having a handle (316) fixed to its outer periphery; It also includes an inner threaded sleeve (315) that is threadedly connected to the outer threaded sleeve (319), and a vertical rod (317) is fixed to the bottom of the inner threaded sleeve (315). A stirring component (318) is installed at the bottom of several vertical rods (317).

8. A titration apparatus with a magnetic stirrer according to claim 1, characterized in that: The adjustment frame includes an L-shaped frame (111), wherein the top of the vertical section of the L-shaped frame (111) is assembled with an assembly rod (311); And a locking groove (112) opened in the vertical section of the L-shaped frame (111), and a C-shaped frame (113) slidably installed with the locking groove (112), wherein the C-shaped frame (113) is assembled with the assembly table (211); and also includes a screw hole opened in the C-shaped frame (113), wherein a bolt (114) is provided in the screw hole.

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