CN210994094U

CN210994094U - Magnetic stirrer for laboratory

Info

Publication number: CN210994094U
Application number: CN201921402681.9U
Authority: CN
Inventors: 宋玉环; 王帅辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-07-14
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a magnetic stirrers is used in laboratory, including main part, rotor plate, screw rod, the solid fixed ring of last fixed surface connection and the U type fixed plate of main part, the opposite face of U type fixed plate is provided with U type fly leaf, the lower surface overlap joint of U type fly leaf is at the upper surface of main part, U type fixed plate and U type fly leaf all are located solid fixed ring's inside, two backup pads of left side fixedly connected with of U type fly leaf. This magnetic stirrers is used in laboratory adopts to compress tightly to fix stirred vessel with centre gripping dual mode, can carry out the centre gripping to multiple stirred vessel through left splint and right splint to make the device can use the beaker of multiple model, thereby improved the practicality of this device, can compress tightly stirred vessel through solid fixed ring, U type fixed plate and U type fly leaf, make stirred vessel rock at the difficult production of during operation.

Description

Magnetic stirrer for laboratory

Technical Field

The utility model relates to a laboratory apparatus technical field specifically is a magnetic stirrers is used in laboratory.

Background

The surface of the magnetic stirrer for the laboratory on the market is not provided with a limiting device, so that the stirring container is usually directly placed on the surface when the stirring beaker is used, the magnetic stirrer cannot be stably placed on the stirring container, and the stirring beaker is easy to shake or topple over, so that the internal liquid is splashed and other adverse phenomena are caused, the experiment efficiency is reduced, and the experimental instrument is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic stirrers is used in laboratory to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a magnetic stirrer for a laboratory comprises a main body, a rotating plate and a screw rod, wherein a fixing ring and a U-shaped fixing plate are fixedly connected to the upper surface of the main body, a U-shaped movable plate is arranged opposite to the U-shaped fixing plate, the lower surface of the U-shaped movable plate is overlapped on the upper surface of the main body, the U-shaped fixing plate and the U-shaped movable plate are both positioned inside the fixing ring, two supporting plates are fixedly connected to the left side of the U-shaped movable plate, opposite surfaces of the two supporting plates are fixedly connected to the outer surface of a bearing, the right side of the rotating plate is fixedly connected with the screw rod, the screw rod is in threaded connection with a nut which is clamped on the left side of the fixing ring, a rotating shaft is fixedly connected to the right end of the screw rod, the outer surface of the rotating shaft is sleeved on the inner surface of the bearing, the through-hole has been seted up with the junction of left splint to right splint, left splint pass the right splint of seting up the through-hole to it has the round pin axle to peg graft in the junction of left splint and right splint, the tail end of left side splint and right splint is provided with the spring, and the both ends difference fixed connection of spring is at the inslot that left splint and right splint tail end were seted up, the afterbody fixedly connected with fixed block of left side splint, the top of beaker is provided with the lid, the top fixed connection of lid is at the lower surface of omnipotent clamp, the upper surface of omnipotent clamp is provided with the top cap, the right side fixed connection of omnipotent clamp is at the left end of horizontal pole, the horizontal pole passes through cross clamp fixed connection at the surface of pole setting, the pole setting passes fixed block fixed.

Preferably, the switch is arranged on the right side of the main body, and the front of the main body is respectively provided with a temperature adjusting knob, a display screen and a rotating speed adjusting knob.

Preferably, the distance that the left clamping plate and the right clamping plate can be opened is equal to the maximum distance stretched by the spring.

Preferably, the lower surface of the top cover is fixedly connected with a heating rod penetrating through the universal clamp, and the lower surface of the heating rod is fixedly connected with a heating ring.

Preferably, the heating rod and the top of the heating ring are provided with a conducting wire, and the other end of the conducting wire is connected inside the main body.

Compared with the prior art, the beneficial effects of the utility model are that: this magnetic stirrers is used in laboratory, adopt to compress tightly to fix stirred vessel with centre gripping dual mode, can carry out the centre gripping to multiple stirred vessel through left splint and right splint to make the device can use the beaker of multiple model, thereby improved the practicality of this device, can compress tightly stirred vessel through solid fixed ring, U type fixed plate and U type fly leaf, make stirred vessel rock at the difficult production of during the during operation, solved that stirred vessel produced beaker emptys or liquid undesirable phenomena such as splash when the stirring.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the fixing ring of the present invention;

FIG. 3 is a schematic top view of the left splint of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: the temperature control device comprises a main body 1, a temperature control knob 2, a display screen 3, a rotating speed control knob 4, a movable plate 5U-shaped, a bearing 6, a screw rod 7, a rotating plate 8, a nut 9, a fixing ring 10, a supporting plate 11, a right clamping plate 12, a beaker 13, a cover 14, a universal clamp 15, a top cover 16, a lead 17, an upright rod 18, a cross clamp 19, a cross rod 20, a heating rod 21, a pin shaft 22, a heating ring 23, a fixed plate 24U-shaped, a switch 25, a spring 26, a left clamping plate 27, a fixed block 28 and a rotating shaft 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a magnetic stirrer for a laboratory comprises a main body 1, a rotating plate 8 and a screw 7, wherein a switch 25 is arranged on the right side of the main body 1, a temperature adjusting knob 2, a display screen 3 and a rotating speed adjusting knob 4 are respectively arranged on the front side of the main body 1, a fixing ring 10 and a U-shaped fixing plate 24 are fixedly connected to the upper surface of the main body 1, a U-shaped movable plate 5 is arranged opposite to the U-shaped fixing plate 24, the lower surface of the U-shaped movable plate 5 is lapped on the upper surface of the main body 1, the U-shaped fixing plate 24 and the U-shaped movable plate 5 are both positioned inside the fixing ring 10, the U-shaped movable plate 5 is lapped on the upper surface of the main body 1, the U-shaped movable plate 5 cannot accidentally rotate when pushed by the rotating screw 7, by the U-shaped movable plate 5 and the U-shaped fixing plate 24, when a beaker 13 is fixed by the U-shaped movable plate 5 and the U-shaped, the left side of the U-shaped movable plate 5 is fixedly connected with two supporting plates 11, opposite surfaces of the two supporting plates 11 are fixedly connected to the outer surface of a bearing 6, the right side of the rotating plate 8 is fixedly connected with a screw 7, the rotating plate 8 can push the U-shaped movable plate 5 to a U-shaped fixed plate 24 when rotating through the screw 7, so that the effect of fixing various stirring containers is achieved, the screw 7 is in threaded connection with a nut 9 clamped on the left side of a fixed ring 10, the right end of the screw 7 is fixedly connected with a rotating shaft 29, the screw 7 and the nut 9 are arranged, when the screw 7 is rotated, the screw 7 can be pushed rightwards when rotating under the threaded action of the screw 7 and the nut 9, so that the screw 7 can push the U-shaped movable plate 5 rightwards through the rotating shaft 29 and the bearing 6, the clamping and fixing of the beaker 13 are achieved, and the outer surface, the beaker 13 is placed between the U-shaped fixed plate 24 and the U-shaped movable plate 5, the left clamping plate 27 and the right clamping plate 12 are arranged on the outer surface of the beaker 13, the stirring container can be stirred by the device by arranging the left clamping plate 27 and the right clamping plate 12, the right clamping plate 12 is provided with a through hole at the joint with the left clamping plate 27, the left clamping plate 27 passes through the right clamping plate 12 provided with the through hole, the pin shaft 22 is inserted at the joint of the left clamping plate 27 and the right clamping plate 12, the left clamping plate 27 can be connected with the right clamping plate 12 by arranging the pin shaft 22 and the through hole, the tail ends of the left clamping plate 27 and the right clamping plate 12 are provided with the spring 26, the two ends of the spring 26 are respectively and fixedly connected in the groove formed at the tail ends of the left clamping plate 27 and the right clamping plate 12, the tail end of the left clamping plate 27 is fixedly connected with the fixed block 28, the distance that the left clamping plate 27 and the right clamping plate 12 can be opened is equal to the maximum distance stretched by the spring 26, the cover 14 is lapped above the beaker 13, the liquid in the beaker 13 can not be thrown out of the beaker 13 due to shaking when being stirred by arranging the cover 14, meanwhile, the cover 14 lapped on the upper surface of the beaker 13 can provide oxygen required by the liquid in the beaker 13 during reaction, a gap exists between the cover 14 and the beaker, the upper part of the cover 14 is fixedly connected with the lower surface of the universal clamp 15, the upper surface of the universal clamp 15 is provided with the top cover 16, the lower surface of the top cover 16 is fixedly connected with the heating rod 21 which penetrates through the universal clamp 15, the lower surface of the heating rod 21 is fixedly connected with the heating ring 23, the top parts of the heating rod 21 and the heating ring 23 are provided with the lead 17, the other end of the lead 17 is connected inside the main body 1, the right side of the universal clamp 15 is fixedly connected with the left end of the cross rod, the upright rod 18 passes through the fixing block 28 and is fixedly connected to the upper surface of the main body 1.

The working principle is as follows: when the solution in the beaker 13 needs to be stirred and heated, the right clamping plate 12 is pulled to open the left clamping plate 27 and the right clamping plate 12, the beaker 13 is placed in the middle position between the left clamping plate 27 and the right clamping plate 12, then the rotating plate 8 is rotated to rotate the screw 7, the U-shaped movable plate 5 is pushed to move towards the U-shaped fixed plate 24, the beaker 13 is fixed on the upper surface of the main body 1, the right clamping plate 12 is loosened, the spring 26 arranged at the tail part of the left clamping plate 27 and the right clamping plate 12 clamps the beaker 13 through the tension force, then the cross clamp 19 arranged on the outer surface of the cross rod 20 is sleeved on the outer surface of the vertical rod 18, the cover 14 arranged below the universal clamp 15 at the left end of the cross rod 20 is placed on the upper surface of the beaker 13, the heating rod 21 passes through the universal clamp 15 arranged above the cover 14 and the universal clamp 15 and is connected with the top cover 16 arranged on the upper surface of the universal clamp 15, so that the, the cross clamp 19, which is located at the intersection of the cross bar 20 and the upright 18, is then tightened and the switch 25 is then depressed, turning the temperature adjustment knob 2 and the rotation speed adjustment knob 4, causing the magnetic stirrer to begin stirring and heating the solution in the beaker 13.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a magnetic stirrers is used in laboratory, includes main part (1), rotor plate (8), screw rod (7), its characterized in that: the upper surface of the main body (1) is fixedly connected with a fixing ring (10) and a U-shaped fixing plate (24), the opposite surface of the U-shaped fixing plate (24) is provided with a U-shaped movable plate (5), the lower surface of the U-shaped movable plate (5) is overlapped on the upper surface of the main body (1), the U-shaped fixing plate (24) and the U-shaped movable plate (5) are both positioned in the fixing ring (10), the left side of the U-shaped movable plate (5) is fixedly connected with two supporting plates (11), the opposite surfaces of the two supporting plates (11) are fixedly connected with the outer surface of a bearing (6), the right side of a rotating plate (8) is fixedly connected with a screw rod (7), the screw rod (7) is in threaded connection with a nut (9) clamped on the left side of the fixing ring (10), the right end of the screw rod (7) is fixedly connected with a rotating shaft (29), and, a beaker (13) is placed between the U-shaped fixed plate (24) and the U-shaped movable plate (5), a left clamping plate (27) and a right clamping plate (12) are arranged on the outer surface of the beaker (13), a through hole is formed in the joint of the right clamping plate (12) and the left clamping plate (27), the left clamping plate (27) penetrates through the right clamping plate (12) provided with the through hole, a pin shaft (22) is inserted into the joint of the left clamping plate (27) and the right clamping plate (12), a spring (26) is arranged at the tail ends of the left clamping plate (27) and the right clamping plate (12), two ends of the spring (26) are respectively and fixedly connected in a groove formed in the tail ends of the left clamping plate (27) and the right clamping plate (12), a fixed block (28) is fixedly connected to the tail end of the left clamping plate (27), a cover (14) is arranged above the beaker (13), and the upper part of the cover (14) is fixedly connected to, the upper surface of omnipotent clamp (15) is provided with top cap (16), the right side fixed connection of omnipotent clamp (15) is at the left end of horizontal pole (20), horizontal pole (20) are through cross clamp (19) fixed connection in the surface of pole setting (18), pole setting (18) pass fixed block (28) fixed connection at main part (1) upper surface.

2. A laboratory magnetic stirrer according to claim 1, characterized in that: the utility model discloses a temperature control device, including main part (1), main part (1) right side is provided with switch (25), the front of main part (1) is provided with temperature regulation knob (2), display screen (3) and speed regulation knob (4) respectively.

3. A laboratory magnetic stirrer according to claim 1, characterized in that: the distance that the left clamping plate (27) and the right clamping plate (12) can be opened is equal to the maximum distance stretched by the spring (26).

4. A laboratory magnetic stirrer according to claim 1, characterized in that: the lower surface fixed connection of top cap (16) passes heating rod (21) of omnipotent clamp (15), and the lower surface fixed connection of heating rod (21) has heating ring (23).

5. A laboratory magnetic stirrer according to claim 4, characterized in that: the top of the heating rod (21) and the heating ring (23) is provided with a lead (17), and the other end of the lead (17) is connected inside the main body (1).