CN217962297U

CN217962297U - Magnetic stirrer with weighing and fixing functions

Info

Publication number: CN217962297U
Application number: CN202221865675.9U
Authority: CN
Inventors: 侯玉波
Original assignee: Shanghai Mccann Biotechnology Co ltd
Current assignee: Shanghai Mccann Biotechnology Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-12-06
Anticipated expiration: 2032-07-19

Abstract

The utility model relates to a magnetic stirrer with weighing and fixing functions, which comprises a main machine, wherein a heating working plate is arranged on the main machine; the heating working plate comprises an upper end placing plate, a clamping block and a spring; the upper end placing plate is provided with an upper end placing groove, and an upper end square groove and an upper end spring groove are symmetrically arranged on two sides of the upper end placing groove; the clamping block is slidably arranged in the upper square groove, and the spring is arranged in the upper spring groove; the spring is used for providing the force for pressing the clamping block to the center of the upper end placing groove. Has the advantages that: through the design of the clamping block and the spring, the container for placing the solution is fixed on the heating working plate, so that the container is prevented from shifting and falling in the stirring process, and the stirring safety and stability are improved; and meanwhile, the weighing device is designed for weighing the mixed liquid in the container above the heating working plate, so that the solution mixing precision is improved.

Description

Magnetic stirrer with weighing and fixing functions

Technical Field

The utility model relates to a magnetic stirrers technical field, more specifically say, relate to a magnetic stirrers with fixed function of weighing.

Background

Magnetic stirrers are laboratory instruments for mixing liquids, primarily for stirring or simultaneously heating and stirring low-viscosity liquids or solid-liquid mixtures. The basic principle is that magnetic stirrer inside container is driven by magnetic field to rotate circularly to stir liquid. The cooperation heating temperature control system can heat and control the sample temperature according to specific experimental requirement, maintains the required temperature condition of experimental condition, guarantees that liquid mixes and reaches the experiment demand.

During the use, after putting into the container with liquid, put into liquid simultaneously with the stirring, after the base produced the magnetic field, drive the stirring and be circular motion and thus reach the purpose of stirring liquid, be applicable to the stirring or heat the stirring and go on simultaneously, be applicable to not very big liquid of consistency or solid-liquid mixture, if cooperate temperature control device, can control and maintain the sample temperature according to specific experimental requirement, help the experimenter to set for experimental conditions, greatly improved experimental repeatability's possibility.

At present, current magnetic stirrers, in the in-service use process, be not convenient for weigh the raw materials of stirring for the practicality of whole device is lower.

On the other hand, the existing magnetic stirrers are not provided with a fixing device when the container is placed, so that the container is easy to fall off.

The foregoing description is provided for general background information and is not admitted to be prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic stirrers with fixed function weighs, this magnetic stirrers container is placed stably, has the function of weighing, has improved the precision that solution mixes.

The utility model provides a magnetic stirrer with weighing and fixing functions, which comprises a main machine, wherein a heating working plate is arranged on the main machine; the heating working plate comprises an upper end placing plate, a clamping block and a spring; the upper end placing plate is provided with an upper end placing groove, and an upper end square groove and an upper end spring groove are symmetrically arranged on two sides of the upper end placing groove; the clamping block is slidably arranged in the upper square groove, and the spring is arranged in the upper spring groove; the spring is used for providing the force for pressing the clamping block to the center of the upper end placing groove.

Further, the heating working plate further comprises a cover plate, a lower end through hole matched with the upper end placing groove is formed in the cover plate, the two sides of the lower end through hole are symmetrically provided with the upper end square groove and the upper end spring groove, the lower end square groove is matched with the upper end spring groove, the lower end spring groove is matched with the upper end square groove, and the cover plate is covered on the upper end placing plate.

Further, a hand push rod is fixedly connected to the clamping block, a square notch is formed in the lower end square groove, the hand push rod penetrates through the square notch, and the hand push rod can move along the square notch and is used for pushing the clamping block to move towards the center direction far away from the upper end placing groove.

Furthermore, the magnetic stirrer with the weighing and fixing functions further comprises a weighing device, the weighing device is electrically connected with the host, and the weighing device is positioned below the heating working plate; and the weighing device is used for weighing the mixed liquid in the container above the heating working plate.

Further, magnetic stirrers with fixed function of weighing still includes support, temperature detection sensor, the support is fixed in on the host computer detachable is connected with on the support temperature detection sensor, temperature detection sensor with host computer electric connection.

Furthermore, two adjusting knobs are arranged in front of the main machine, and a display screen is arranged above the adjusting knobs; the display screen is used for displaying the temperature measured by the temperature detection sensor and the weight value measured by the weighing device.

Further, the bracket comprises a height adjusting rod, a front and rear adjusting rod, an adjusting device, a locking device and a connecting block; the adjusting device is in a circular tube shape, and a height adjusting hole and a front and rear adjusting hole which penetrate through the adjusting device are respectively formed in the side surface of the adjusting device; one end of the height adjusting rod is fixed on the host, the other end of the height adjusting rod is slidably inserted into the height adjusting hole, one end of the front and rear adjusting rod is slidably inserted into the front and rear adjusting hole, the other end of the front and rear adjusting rod is fixed with the connecting block, the connecting block is provided with a placing hole, and the temperature detecting sensor is inserted into the placing hole; the adjusting device is characterized in that inner threads are arranged at two ends of the adjusting device, the inner threads are connected with the locking device in a threaded mode, and the locking device is used for locking the positions of the height adjusting rod and the front and rear adjusting rods on the adjusting device.

The utility model provides a magnetic stirrer with fixed function of weighing, through the design of clamping block and spring, make the container for placing solution fix on the heating work board, prevent that the container from shifting and dropping in the stirring process, improved the security and the stability of stirring; meanwhile, the weighing device is designed to weigh the mixed liquid in the container above the heating working plate, so that the solution mixing precision is improved.

Drawings

Fig. 1 is a schematic structural view of a magnetic stirrer with weighing and fixing functions provided by the embodiment of the present invention.

FIG. 2 is a schematic view of the combination of the main body and the stand of the magnetic stirrer of FIG. 1.

FIG. 3 is a schematic view showing the internal structure of a heated work plate of the magnetic stirrer of FIG. 1.

FIG. 4 is a schematic view of the heated work plate of the magnetic stirrer of FIG. 1.

FIG. 5 is a schematic view of the clamping block of the magnetic stirrer of FIG. 1.

Fig. 6 is a schematic structural view of a weighing device of the magnetic stirrer in fig. 1.

Fig. 7 is an exploded view of the stand of the magnetic stirrer of fig. 1.

Reference numerals and components referred to in the drawings are as follows:

1. host 11, adjusting knob 12 and display screen

2. A heating working plate 21, an upper end placing plate 211 and an upper end placing groove

212. Upper square groove 213, upper spring groove 22, clamping block

221. Hand push rod 23, spring 24 and cover plate

241. A lower end through hole 242, a lower end square groove 243, and a lower end spring groove

244. Square gap 3, weighing device 4 and support

41. Height adjustment rod 42, front and rear adjustment rod 43, and adjustment device

431. Height adjusting hole 432, front and back adjusting hole 433 and internal thread

44. Locking device 45, connecting block 451, placing hole

5. Temperature detection sensor 6 and container

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Example 1

Fig. 1 is a schematic structural view of a magnetic stirrer with weighing and fixing functions provided by the embodiment of the present invention. Fig. 2 is a structural schematic diagram of a combination of a main body and a bracket of the magnetic stirrer in fig. 1, fig. 3 is an internal structural schematic diagram of a heating operation plate of the magnetic stirrer in fig. 1, and fig. 4 is a structural schematic diagram of the heating operation plate of the magnetic stirrer in fig. 1. Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a magnetic stirrer with weighing and fixing functions according to an embodiment of the present invention includes a main machine 1, wherein a heating work plate 2 is installed on the main machine 1; the heating working plate 2 comprises an upper end placing plate 21, a clamping block 22 and a spring 23; the upper end placing plate 21 is provided with an upper end placing groove 211, and an upper end square groove 212 and an upper end spring groove 213 are symmetrically arranged on two sides of the upper end placing groove 211; the clamping block 22 is slidably mounted in the upper square groove 212, and the spring 23 is mounted in the upper spring groove 213; the spring 23 is used for providing a force for pressing the clamping block 22 to the center of the upper end placing groove 211.

The utility model discloses a magnetic stirrers with fixed function of weighing when using, places container 6 in upper end standing groove 211, and spring 23 can promote to press from both sides tight piece 22 tightly with container 6 clamp to prevent that the container from shifting and dropping at the stirring in-process, improved the security and the stability of stirring.

It should be noted that the working principle of the magnetic stirrer and the heating principle of the heating working plate 2 to the container 6 are the same as those of the prior art.

With further reference to fig. 3, the utility model discloses a heating work board 2 still includes apron 24, be equipped with on the apron 24 with upper end standing groove 211 complex lower extreme through-hole 241 the bilateral symmetry of lower extreme through-hole 241 be equipped with upper end square groove 212 and upper end spring groove 213 complex lower extreme square groove 242 and lower extreme spring groove 243, the apron 24 lid is established on the board 21 is placed to the upper end.

The cover plate 24 is designed to prevent the spring 23 and the clamp block 22 from falling off, thereby improving the stability of use.

FIG. 5 is a schematic view of the clamping block of the magnetic stirrer of FIG. 1. Referring to fig. 4 and 5, the clamping block 22 of the present invention is fixedly connected with a hand push rod 221, the lower square groove 242 is provided with a square notch 244, the hand push rod 221 passes through the square notch 244, the hand push rod 221 can move along the square notch 244 for pushing the clamping block 22 to move towards the center direction away from the upper end placing groove 211, so as to improve the convenience of use.

Fig. 6 is a schematic structural view of a weighing device of the magnetic stirrer in fig. 1. Referring to fig. 1 and fig. 6, the magnetic stirrer with weighing and fixing functions of the present invention further includes a weighing device 3, the weighing device 3 is electrically connected to the main machine 1, and the weighing device 3 is located below the heating working plate 2; for weighing the mixed liquor in the container 6 above the heating work plate 2.

It should be noted that the quality of the mixed solution can be controlled by the design of the weighing device 3, and the accuracy of the solution mixing is improved. Furthermore, the utility model discloses a weighing device 3 is prior art, is similar to current electronic scale, and the required electric energy of weighing device 3 is provided by host computer 1.

As shown in fig. 1, the utility model discloses a magnetic stirrers with fixed function of weighing still includes support 4, temperature detection sensor 5, support 4 is fixed in on the host computer 1 detachable is connected with on the support 4 temperature detection sensor 5, temperature detection sensor 5 with 1 electric connection of host computer.

In use, the head detection end of the temperature detection sensor 5 is inserted into the container 6, and the temperature of the mixed solution in the container 6 can be constantly monitored.

As shown in fig. 1, the front of the main body 1 of the present invention is provided with two adjusting knobs 11, and a display screen 12 is arranged above the adjusting knobs 11; the display screen 12 is used for displaying the temperature measured by the temperature detection sensor 5 and the weight value measured by the weighing device 3.

Fig. 7 is an exploded view of the stand of the magnetic stirrer of fig. 1. Referring to fig. 7, the bracket 4 of the present invention includes a height adjusting rod 41, a front and rear adjusting rod 42, an adjusting device 43, a locking device 44 and a connecting block 45; the adjusting device 43 is in a round tube shape, and the side surface of the adjusting device 43 is respectively provided with a height adjusting hole 431 and a front and back adjusting hole 432 which penetrate through the adjusting device; one end of the height adjusting rod 41 is fixed on the host 1, the other end of the height adjusting rod 41 is slidably inserted into the height adjusting hole 431, one end of the front-rear adjusting rod 42 is slidably inserted into the front-rear adjusting hole 432, the other end of the front-rear adjusting rod 42 is fixedly provided with the connecting block 45, the connecting block 45 is provided with a placing hole 451, and the temperature detecting sensor 5 is inserted into the placing hole 451; the two ends of the adjusting device 43 are both provided with internal threads 433, the internal threads 433 are in threaded connection with the locking device 44, and the locking device 44 is used for locking the positions of the height adjusting rod 41 and the front and rear adjusting rods 42 on the adjusting device 43.

Based on the above description, the utility model discloses the advantage lies in:

1. the utility model discloses a magnetic stirrers with fixed function weighs places container 6 during the use in upper end standing groove 211, and spring 23 can promote to press from both sides tight piece 22 tightly with container 6 to prevent that the container from shifting and dropping at stirring in-process, improved the security and the stability of stirring.

2. The utility model discloses a magnetic stirrers with fixed function of weighing, through weighing device 3's design, can control the quality of mixed solution, improved the precision that solution mixes.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A magnetic stirrer with weighing and fixing functions comprises a main machine (1), wherein a heating working plate (2) is arranged on the main machine (1); the heating working plate (2) is characterized by comprising an upper end placing plate (21), a clamping block (22) and a spring (23);

an upper end placing groove (211) is formed in the upper end placing plate (21), and an upper end square groove (212) and an upper end spring groove (213) are symmetrically formed in two sides of the upper end placing groove (211); the clamping block (22) is slidably mounted in the upper square groove (212), and the spring (23) is mounted in the upper spring groove (213); the spring (23) is used for providing the force for pressing the clamping block (22) to the center of the upper end placing groove (211).

2. The magnetic stirrer with the weighing and fixing function according to claim 1, wherein the heating operation plate (2) further comprises a cover plate (24), the cover plate (24) is provided with a lower end through hole (241) which is matched with the upper end placing groove (211), a lower end square groove (242) and a lower end spring groove (243) which are matched with the upper end square groove (212) and the upper end spring groove (213) are symmetrically arranged on both sides of the lower end through hole (241), and the cover plate (24) is covered on the upper end placing plate (21).

3. The magnetic stirrer with the weighing and fixing functions according to claim 2, wherein a hand-push rod (221) is fixedly connected to the clamping block (22), a square notch (244) is formed in the lower-end square groove (242), the hand-push rod (221) penetrates through the square notch (244), and the hand-push rod (221) can move along the square notch (244) and is used for pushing the clamping block (22) to move towards the direction away from the center of the upper-end placing groove (211).

4. The magnetic stirrer with the weighing and fixing function according to claim 1, further comprising a weighing device (3), wherein the weighing device (3) is electrically connected with the main machine (1), and the weighing device (3) is located below the heating work plate (2); used for weighing the mixed liquid in the container (6) above the heating working plate (2).

5. The magnetic stirrer with the weighing and fixing function according to claim 1, further comprising a bracket (4) and a temperature detection sensor (5), wherein the bracket (4) is fixed on the main machine (1), the temperature detection sensor (5) is detachably connected to the bracket (4), and the temperature detection sensor (5) is electrically connected with the main machine (1).

6. The magnetic stirrer with the weighing and fixing functions according to claim 1, characterized in that two adjusting knobs (11) are arranged in front of the main machine (1), and a display screen (12) is arranged above the adjusting knobs (11); the display screen (12) is used for displaying the temperature measured by the temperature detection sensor (5) and the weight value measured by the weighing device (3).

7. The magnetic stirrer with the weighing and fixing function according to claim 5, characterized in that the bracket (4) comprises a height adjusting rod (41), a front and rear adjusting rod (42), an adjusting device (43), a locking device (44) and a connecting block (45);

the adjusting device (43) is in a circular tube shape, and the side surface of the adjusting device (43) is respectively provided with a height adjusting hole (431) and a front and back adjusting hole (432) which penetrate through the adjusting device;

one end of the height adjusting rod (41) is fixed on the host (1), the other end of the height adjusting rod (41) is slidably inserted into the height adjusting hole (431), one end of the front and rear adjusting rod (42) is slidably inserted into the front and rear adjusting hole (432), the other end of the front and rear adjusting rod (42) is fixed with the connecting block (45), a placing hole (451) is formed in the connecting block (45), and the temperature detecting sensor (5) is inserted into the placing hole (451);

both ends of adjusting device (43) all are equipped with internal thread (433), threaded connection has on internal thread (433) locking device (44), locking device (44) are used for to height adjusting pole (41) and front and back regulation pole (42) be in the position on adjusting device (43) is locked.