CN216024529U

CN216024529U - Constant temperature magnetic stirrers

Info

Publication number: CN216024529U
Application number: CN202122586641.8U
Authority: CN
Inventors: 朱向莹
Original assignee: Zhejiang Hengyu Biotechnology Co ltd
Current assignee: Zhejiang Hengyu Biotechnology Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-15
Anticipated expiration: 2031-10-26

Abstract

The utility model relates to the field of stirring devices, in particular to a constant-temperature magnetic stirrer which comprises a base, a magnetic disk arranged on the upper surface of the base and a test vessel placed on the magnetic disk, wherein self-overturning mechanisms are oppositely arranged on two sides of the upper surface of the base, each self-overturning mechanism comprises a bent plate which can be contacted with the bottom of the test vessel and automatically overturns, the lower end of each bent plate extends to the inner edge of the magnetic disk, a notch which avoids the bent plate to move is formed in the magnetic disk, a flexible clamp which can be abutted against the outer part of the test vessel is arranged at the upper end of each bent plate, and the bent plates are overturned by the self weight, the bending plate drives the corresponding flexible clamp to automatically clamp the outside of the test vessel, thereby realizing the effect of automatically clamping the test vessel, and the flexible clamp can prevent the outside of the test vessel from being clamped excessively, so that the test vessel is prevented from being damaged.

Description

Constant temperature magnetic stirrers

Technical Field

The utility model relates to the field of stirring devices, in particular to a constant-temperature magnetic stirrer.

Background

The magnetic stirrer is a laboratory instrument for liquid mixing, is mainly used for stirring or simultaneously heating and stirring liquid or solid-liquid mixture with low viscosity, and has the basic principle that the magnetic stirrer placed in a container is pushed by a magnetic field to perform circumferential operation by utilizing the principle that like poles repel and opposite poles attract of the magnetic field, so that the aim of stirring the liquid is fulfilled.

At present, the magnetic stirrers that have now on the market, when using, the household utensils that hold solution are direct to be placed on magnetic stirring, can not fix the household utensils, so at the in-process of stirring, the displacement takes place for the solution household utensils easily, and liquid spills easily, is unfavorable for going on of experiment, poor stability, consequently, we have proposed a constant temperature magnetic stirrers to in order to solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a thermostatic magnetic stirrer that addresses the problems of the prior art.

In order to solve the problems of the prior art, the utility model adopts the technical scheme that:

according to one aspect of the utility model, the constant-temperature magnetic stirrer comprises a base, a magnetic disk arranged on the upper surface of the base and a test vessel placed on the magnetic disk, wherein self-overturning mechanisms are oppositely arranged on two sides of the upper surface of the base, each self-overturning mechanism comprises a bent plate which can be contacted with the bottom of the test vessel and automatically overturns, the lower end of each bent plate extends to the inner edge of the magnetic disk, a notch which avoids the bent plate to move is formed in the magnetic disk, and a flexible clamp which can be abutted against the outer part of the test vessel is arranged at the upper end of each bent plate.

Preferably, the self-overturning mechanism further comprises a bearing seat, a fixing plate and a first spring;

the bearing block is provided with a pair of bearing blocks which are respectively arranged on two sides of the lower end of the bent plate, the bearing blocks are fixedly arranged on the base, and two sides of the lower end of the bent plate are rotatably connected with the bearing blocks through rotating shafts;

the fixed plate is obliquely arranged on one side of the bent plate away from the test vessel, and the bottom of the fixed plate is fixedly connected with the tops of the two bearing blocks respectively;

the first spring position is located between fixed plate and the bent plate, the one end of first spring and the upper end fixed connection of fixed plate, the other end of first spring and the upper end fixed connection of bent plate.

Preferably, the flexible clamp comprises a connecting plate and a buffer clamp;

the connecting plate is vertically arranged at the top of the bent plate;

the buffering anchor clamps position is located one side that the connecting plate is close to test household utensils, one side parallel arrangement that buffering anchor clamps are close to the connecting plate has the buffering polished rod that can run through the connecting plate, be equipped with the spacing perforation that supplies every buffering polished rod to walk on the connecting plate, the one end of buffering polished rod is passed spacing perforation and is kept away from one side slip extension of buffering anchor clamps to the connecting plate, the one end that buffering anchor clamps were kept away from to the buffering polished rod is provided with the butt piece that can with the connecting plate butt, the cover is equipped with the second spring on the buffering polished rod, second spring position is located between connecting plate and the buffering anchor clamps.

Preferably, the arc-shaped groove is formed in one side, close to the test vessel, of the buffer clamp, the rubber pad capable of being abutted to the test vessel is arranged at the arc-shaped groove, and the two sides of the rubber pad are fixedly connected with the two sides of the buffer clamp respectively.

Preferably, a plurality of rubber bulges are arranged on one surface of the rubber pad close to the test vessel in a crossed manner.

Preferably, be provided with a plurality of third springs that distribute along the pitch arc of arc wall equidistant of arc wall in the arc wall of buffering anchor clamps, the one end of third spring and the inner wall fixed connection of arc wall, the other end and the inboard fixed connection of rubber pad of third spring.

Compared with the prior art, the beneficial effect of this application is:

1. the utility model turns the bent plate by the self weight, and the bent plate drives the corresponding flexible clamp to automatically clamp the outside of the test vessel, thereby realizing the effect of automatically clamping the test vessel, preventing the outside of the test vessel from being clamped excessively by the flexible clamp and avoiding the damage to the test vessel.

2. The bending plate and the flexible clamp are simultaneously combined through the arranged first spring, so that the test vessel can be conveniently clamped next time.

3. According to the utility model, the buffering clamp can elastically contact with the outside of the test vessel through the mutual matching of the buffering polished rod and the second spring, so that over-clamping is prevented.

4. According to the utility model, the rubber pad is contacted with the outside of the test vessel, so that the friction force with the test vessel is increased, and the tightness with the outside of the test vessel is improved.

Drawings

FIG. 1 is a perspective view of an embodiment;

FIG. 2 is a top view of the embodiment;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2 of the embodiment;

fig. 4 is a partial perspective view of the embodiment.

The reference numbers in the figures are: 1-a base; 2-test vessel; 3-self-turning over mechanism; 4-bending the plate; 5-incision; 6-a flexible clamp; 7-bearing seats; 8, fixing a plate; 9-a first spring; 10-a connecting plate; 11-a buffer clamp; 12-a buffered polish rod; 13-a butt block; 14-a second spring; 15-arc-shaped grooves; 16-a rubber pad; 17-rubber bumps; 18-a third spring; 19-magnetic disk.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 4:

the utility model provides a constant temperature magnetic stirrers, including base 1, the magnetic disc 19 that base 1 upper surface set up and place test household utensils 2 on magnetic disc 19, the both sides of base 1's upper surface are provided with relatively from tilting mechanism 3, from tilting mechanism 3 including can be through the bent plate 4 with the contact of test household utensils 2 bottoms and automatic upset, the lower extreme of bent plate 4 extends to the inside edge of magnetic disc 19, set up the incision 5 of dodging bent plate 4 and removing on the magnetic disc 19, the upper end of bent plate 4 is provided with can butt test household utensils 2 outside flexible clamp 6.

Based on the above embodiment, before placing test household utensils 2, the lower extreme of bent plate 4 is in the state of tilt up, after the bottom of test household utensils 2 and the lower extreme of bent plate 4 contacted, do the upset action with bent plate 4 through self weight, drive corresponding flexible fixture 6 through bent plate 4 simultaneously and press from both sides the outside automatic clamping with test household utensils 2, realized the automatic effect of pressing from both sides test household utensils 2 tight, and can prevent to cross the clamp to the outside of test household utensils 2 through flexible fixture 6, avoid the damage to test household utensils 2.

Further:

the self-overturning mechanism 3 further comprises a bearing seat 7, a fixing plate 8 and a first spring 9;

the bearing seat 7 is provided with a pair of bearings which are respectively arranged at two sides of the lower end of the bent plate 4, the bearing seat 7 is fixedly arranged on the base 1, and two sides of the lower end of the bent plate 4 are rotatably connected with the bearing seat 7 through rotating shafts;

the fixed plate 8 is obliquely arranged on one side of the bent plate 4 away from the test vessel 2, and the bottom of the fixed plate 8 is fixedly connected with the tops of the two bearing seats 7 respectively;

the first spring 9 is arranged between the fixed plate 8 and the bent plate 4, one end of the first spring 9 is fixedly connected with the upper end of the fixed plate 8, and the other end of the first spring 9 is fixedly connected with the upper end of the bent plate 4.

Based on the above embodiment, after the test vessel 2 is taken away from the magnetic disc 19, the bending plate 4 and the flexible fixture 6 are simultaneously combined through the arranged first spring 9, so that the test vessel 2 can be clamped next time.

Further:

the flexible clamp 6 comprises a connecting plate 10 and a buffer clamp 11;

the connecting plate 10 is vertically arranged at the top of the bent plate 4;

buffering anchor clamps 11 are located one side that connecting plate 10 is close to test household utensils 2, one side parallel arrangement that buffering anchor clamps 11 are close to connecting plate 10 has buffering polished rod 12 that can run through connecting plate 10, be equipped with the spacing perforation that supplies every buffering polished rod 12 to walk on the connecting plate 10, the one side slip extension that buffering anchor clamps 11 were kept away from to connecting plate 10 to spacing perforation is passed to the one end of buffering polished rod 12, the one end that buffering anchor clamps 11 were kept away from to buffering polished rod 12 is provided with the butt piece 13 that can with connecting plate 10 butt, the cover is equipped with second spring 14 on the buffering polished rod 12, second spring 14 is located between connecting plate 10 and buffering anchor clamps 11.

Based on above-mentioned embodiment, contact with the bottom of test household utensils 2 when the lower extreme of bent plate 4, bent plate 4 drives connecting plate 10 and buffering anchor clamps 11 and removes to the direction of test household utensils 2, contacts the back when buffering anchor clamps 11 and test household utensils 2, through the mutually supporting of buffering polished rod 12 and second spring 14, makes the outside of buffering anchor clamps 11 elastic and test household utensils 2 contact, prevents to cross the clamp.

Further:

the arc-shaped groove 15 is formed in one side, close to the test vessel 2, of the buffer clamp 11, the rubber pad 16 capable of being abutted to the test vessel 2 is arranged at the arc-shaped groove 15, and two sides of the rubber pad 16 are fixedly connected with two sides of the buffer clamp 11 respectively.

Based on the above embodiment, when the buffer clamp 11 is close to the outside of the test vessel 2, the rubber pad 16 is arranged to contact with the outside of the test vessel 2, so that the friction force with the test vessel 2 is increased, and the tightness with the outside of the test vessel 2 is improved.

Further:

one surface of the rubber pad 16 close to the test vessel 2 is provided with a plurality of rubber convex parts 17 in a crossed manner.

Based on the above-mentioned embodiment, rubber pad 16 cooperates a plurality of rubber bellying 17 to contact with the outside of test ware 2, and further increased the compactedness, made the agitator more stable when stirring in test ware 2.

Further:

a plurality of third springs 18 distributed at equal intervals along the arc line of the arc-shaped groove 15 are arranged in the arc-shaped groove 15 of the buffer clamp 11, one end of each third spring 18 is fixedly connected with the inner wall of the arc-shaped groove 15, and the other end of each third spring 18 is fixedly connected with the inner side of the rubber pad 16.

Based on the above embodiment, after the rubber pad 16 contacts the outside of the test vessel 2, the third spring 18 is provided to generate an elastic force to further clamp the test vessel 2 when the test vessel 2 contacts the outside of the test vessel 2.

According to the test device, the bent plate 4 is turned over by the self weight, the bent plate 4 simultaneously drives the corresponding flexible clamp 6 to automatically clamp the outside of the test vessel 2, so that the effect of automatically clamping the test vessel 2 is realized, the flexible clamp 6 can prevent the outside of the test vessel 2 from being clamped excessively, and the test vessel 2 is prevented from being damaged; the bent plate 4 and the flexible clamp 6 are simultaneously compounded through the arranged first spring 9, so that the test vessel 2 can be clamped next time conveniently; through the mutual matching of the buffering polished rod 12 and the second spring 14, the buffering clamp 11 can elastically contact with the outside of the test vessel 2, and the over-clamping is prevented; the rubber pad 16 is in contact with the outside of the test vessel 2, so that the friction force with the test vessel 2 is increased, and the compactness with the outside of the test vessel 2 is improved.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a constant temperature magnetic stirrers, including base (1), disk (19) that base (1) upper surface set up and place test household utensils (2) on disk (19), a serial communication port, the both sides of the upper surface of base (1) are provided with from tilting mechanism (3) relatively, from tilting mechanism (3) including can be through with test household utensils (2) bottom contact and automatic bent plate (4) that overturn, the lower extreme of bent plate (4) extends to the inside edge of disk (19), set up notch (5) of dodging bent plate (4) removal on disk (19), the upper end of bent plate (4) is provided with can butt test household utensils (2) outside flexible clamp (6).

2. The thermostatic magnetic stirrer according to claim 1, characterized in that the self-turning mechanism (3) further comprises a bearing seat (7), a fixed plate (8) and a first spring (9);

the bearing seat (7) is provided with a pair of bearings which are respectively arranged on two sides of the lower end of the bent plate (4), the bearing seat (7) is fixedly arranged on the base (1), and two sides of the lower end of the bent plate (4) are rotatably connected with the bearing seat (7) through rotating shafts;

the fixed plate (8) is obliquely arranged on one side of the bent plate (4) far away from the test vessel (2), and the bottom of the fixed plate (8) is fixedly connected with the tops of the two bearing blocks (7) respectively;

the first spring (9) is arranged between the fixed plate (8) and the bent plate (4), one end of the first spring (9) is fixedly connected with the upper end of the fixed plate (8), and the other end of the first spring (9) is fixedly connected with the upper end of the bent plate (4).

3. A thermostatic magnetic stirrer according to claim 2, characterized in that the flexible clamp (6) comprises a connecting plate (10) and a buffer clamp (11);

the connecting plate (10) is vertically arranged at the top of the bent plate (4);

buffering anchor clamps (11) position are located one side that connecting plate (10) are close to test household utensils (2), one side parallel arrangement that buffering anchor clamps (11) are close to connecting plate (10) has buffering polished rod (12) that can run through connecting plate (10), be equipped with the spacing perforation that supplies every buffering polished rod (12) to walk on connecting plate (10), the one end of buffering polished rod (12) is passed spacing perforation and is kept away from one side slip extension of buffering anchor clamps (11) to connecting plate (10), the one end that buffering anchor clamps (11) were kept away from in buffering polished rod (12) is provided with butt piece (13) that can with connecting plate (10) butt, the cover is equipped with second spring (14) on buffering polished rod (12), second spring (14) position are located between connecting plate (10) and buffering anchor clamps (11).

4. The constant-temperature magnetic stirrer according to claim 3, characterized in that an arc-shaped groove (15) is formed in one side of the buffering clamp (11) close to the test vessel (2), a rubber pad (16) capable of being abutted against the test vessel (2) is arranged at the arc-shaped groove (15), and two sides of the rubber pad (16) are fixedly connected with two sides of the buffering clamp (11) respectively.

5. The thermostatic magnetic stirrer according to claim 4, characterized in that a plurality of rubber bumps (17) are arranged on the surface of the rubber pad (16) close to the test vessel (2) in a crossed manner.

6. The constant-temperature magnetic stirrer according to claim 5, characterized in that a plurality of third springs (18) are arranged in the arc-shaped groove (15) of the buffering clamp (11) and are distributed at equal intervals along the arc line of the arc-shaped groove (15), one end of each third spring (18) is fixedly connected with the inner wall of the arc-shaped groove (15), and the other end of each third spring (18) is fixedly connected with the inner side of the rubber pad (16).