Magnetic stirrer capable of adjusting stirring range

Abstract

The utility model discloses a magnetic stirrer with an adjustable stirring range, and relates to the technical field of magnetic stirrers. The stirrer comprises a stirrer main body, a fixing seat is arranged at the upper end of the stirrer main body, locking blocks are movably installed on the two sides of the inner wall of the fixing seat, a clamping structure is arranged on one side of each locking block, a supporting seat is arranged at the upper end of the stirrer main body, and an adjusting screw rod is movably inserted into the upper end of the supporting seat in a penetrating mode. An adjusting plate is installed at the lower end of the adjusting screw rod, a fixing rod is fixedly installed in the middle of the lower end of the adjusting plate, a rotating block drives a fluted disc to rotate the fluted disc, the fluted disc can drive a plurality of meshing gears to rotate, the meshing gears drive a plurality of rotating screw rods to rotate, and a movable screw sleeve rotates under the action of threads. And the movable screw sleeve drives the movable rod to move along with the rotation of the rotating screw rod, so that the distance between the movable rod and the fixed rod can be adjusted, and the stirring range can be conveniently adjusted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of magnetic stirrers, especially relates to a magnetic stirrer with adjustable stirring range. BACKGROUND

[0002] The magnetic stirrer is a laboratory instrument for mixing liquid, and is mainly used for stirring or simultaneously stirring and heating low-viscosity liquid or solid-liquid mixture. The basic principle is to use the principle that the same magnetic field repels and the different magnetic field attracts to use the magnetic field to push the magnetic stirring rod placed in the container to rotate in a circle, so that the liquid is stirred.

[0003] For example, the utility model with publication number CN211706637U discloses a magnetic stirrer, which comprises a stirrer body, a stirring table is arranged on the stirrer body, a beaker is placed on the stirring table, a magnetic sub is arranged in the beaker, a plurality of positioning assemblies are arranged on the stirring table and are distributed in a circumferential shape outside the beaker. The positioning assembly comprises a support pipe which is slidably connected to the stirring table, a scale is arranged on the outer circumferential surface of the support pipe, a locking block is arranged on the support pipe and is used for locking the support pipe to the stirring table, a spring is fixedly arranged in the support pipe, one end of the spring extends out of the inner cavity of the support pipe, and an abutting plate is fixedly arranged at the end of the spring extending out of the inner cavity of the support pipe. The side wall of the abutting plate away from the spring is in contact with the outer circumferential surface of the beaker. The utility model has the effect of avoiding the situation that the beaker is tilted and falls due to vibration;

[0004] Although the existing magnetic stirrer can meet the use demand to some extent, there are still some defects in the actual use process. For example, in order to fix the beaker, the existing magnetic stirrer often arranges a plurality of locking bolts on both sides of the upper end of the equipment main body to clamp and fix the beaker. When fixing, the user needs to operate and rotate a plurality of bolts to clamp and limit the beaker, which is very inconvenient to operate. Moreover, the stirring range of the magnetic stirrer is fixed and cannot be adjusted according to the demand of the user.

[0005] Therefore, we provide a magnetic stirrer with adjustable stirring range. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a magnetic stirrer with adjustable stirring range, and aims to solve the above-mentioned technical problems.

[0007] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0008] The utility model discloses a magnetic stirrer of adjustable stirring range, including stirrer main part, the upper end of stirrer main part is provided with fixed base, both sides of fixed base inner wall all movably install locking block, locking block one side is provided with clamping structure, the upper end of stirrer main part is provided with support base, the upper end of support base movably inserts and inserts the adjusting screw, the lower extreme of adjusting screw is installed with the adjusting plate, the middle fixed mounting of adjusting plate lower extreme has the fixed link, both sides of adjusting plate lower extreme all movably install movable link, the upper end of movable link is provided with adjusting structure, the lower end of movable link and adjusting link rotatably installs rotor.

[0009] The utility model further sets up, both sides of adjusting plate upper end all fixedly install connecting rod, the upper end of connecting rod is installed with the connecting plate that inserts support base, adjusting screw is inserted in the inside of connecting plate, the upper end of support base is provided with screw hole, adjusting screw movably inserts in the inside of screw hole.

[0010] The utility model further sets up, the clamping structure includes locking screw, locking screw rotates in both sides in the inside of fixed base, one end of locking screw movably inserts locking screw rod, one end of locking screw rod inserts the fixed connection of fixed base's inner ring and locking block.

[0011] The utility model further sets up, the surface of locking screw rod is equipped with the compression spring of tight spring, both ends of compression spring are fixedly connected with locking block and fixed base inner ring respectively.

[0012] The utility model further sets up, the upper end of fixed base rotatably installs the rotating ring, the upper end of rotating ring is provided with adjusting block, the lower end of rotating ring is provided with the gear ring, the outside of locking screw is provided with rotation gear, and rotation gear is engaged with gear ring.

[0013] The utility model further sets up, adjusting structure includes rotation screw rod, rotation screw rod movably installs in the inside of adjusting plate, the surface of rotation screw rod is equipped with the movement screw bushing of tight spring.

[0014] The utility model further sets up, both sides of adjusting plate lower extreme all are provided with the sliding slot, the upper end of movable link is connected with movement screw bushing through the sliding slot, and the lower end of movable link and the lower end of fixed link are on the same horizontal line.

[0015] The utility model further sets up, the inside of adjusting plate is provided with movable slot, the inside rotatably installs the toothed disc of movable slot, one end of rotation screw rod movably inserts in the inside of movable slot and is installed with the meshing gear, and the meshing gear is engaged with toothed disc, and the upper end of toothed disc is provided with rotating block.

[0016] The utility model has the advantages of:

[0017] 1、The utility model discloses a beaker is placed in the inside of fixed base, and through the adjusting block rotation rotating ring, and rotating ring drives a plurality of locking screw bushings to rotate through the gear ring and rotating gear, can prevent locking block rotation under the action of compression spring, and locking block can limit locking screw rod rotation, and locking screw rod moves with the rotation of locking screw bushing to the inner ring of fixed base, convenient for clamping and fixing the beaker of different diameters.

[0018] 2、The utility model discloses a rotating block drive fluted disc rotation, and fluted disc can drive a plurality of occlusal gear rotation, and occlusal gear drives multiple rotating screw rods to rotate, and moving screw bushing moves with the rotation of rotating screw rod under the action of screw thread, and moving screw bushing drives movable rod to move, can adjust the distance between movable rod and fixed rod, convenient for adjusting the stirring range.

[0019] Of course, it is not necessary to achieve all the advantages described above while implementing any product of the utility model. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the bottom structure schematic diagram of the utility model;

[0023] Figure 3 It is the side half cut structure schematic diagram of the utility model;

[0024] Figure 4 It is the Figure 3 Amplification structure schematic diagram of A place in the utility model;

[0025] Figure 5 It is the Figure 3 Amplification structure schematic diagram of B place in the utility model.

[0026] In the drawings, the component list represented by each sign is as follows:

[0027] 1, agitator body; 2, fixed seat; 3, rotating ring; 4, locking block; 5, support seat; 6, adjusting plate; 7, movable rod; 8, fixed rod; 9, rotor; 10, connecting rod; 11, connecting plate; 12, adjusting screw; 13, locking sleeve; 14, locking screw; 15, rotating gear; 16, gear ring; 17, adjusting block; 18, rotating screw; 19, moving sleeve; 20, meshing gear; 21, toothed disc; 22, rotating block. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0029] As shown in the figure, Figures 1 to 3 The adjustable magnetic stirrer provided by the embodiment comprises an agitator body 1, the upper end of the agitator body 1 is provided with a fixed seat 2, locking blocks 4 are movably installed on the inner walls of the two sides of the fixed seat 2, one side of each locking block 4 is provided with a clamping structure, the upper end of the agitator body 1 is provided with a support seat 5, an adjusting screw 12 is movably inserted into the upper end of the support seat 5, an adjusting plate 6 is installed at the lower end of the adjusting screw 12, a fixed rod 8 is fixedly installed at the middle of the lower end of the adjusting plate 6, movable rods 7 are movably installed on the two sides of the lower end of the adjusting plate 6, the upper ends of the movable rods 7 are provided with adjusting structures, a rotor 9 is rotatably installed at the lower ends of the movable rods 7 and the adjusting rod, connecting rods 10 are fixedly installed on the two sides of the upper end of the adjusting plate 6, connecting plates 11 are installed at the upper ends of the connecting rods 10 and penetrate through the support seat 5, the adjusting screw 12 penetrates through the inside of the connecting plate 11, and screw holes are formed in the upper end of the support seat 5, and the adjusting screw 12 movably penetrates through the inside of the screw holes.

[0030] In the embodiment, the user places a beaker in the fixed seat 2 at the upper end of the agitator body 1, and under the action of the clamping structure, the beaker is fixed on the agitator body 1, so that the beaker is prevented from shaking during stirring and affecting the stirring effect, the user rotates the adjusting screw 12, the adjusting screw 12 drives the adjusting plate 6 to move downward, the adjusting plate 6 drives the movable rods 7 and the fixed rod 8 to be inserted into the inside of the beaker, and the position of the rotor 9 can be adjusted through the adjusting screw 12, so that the user can use conveniently.

[0031] As shown in the figure, Figures 1 to 4As shown, this embodiment provides a magnetic stirrer with an adjustable stirring range. The clamping structure includes a locking screw sleeve 13, which rotates on both sides inside the fixed base 2. One end of the locking screw sleeve 13 is movably inserted with a locking screw 14, and one end of the locking screw 14 is inserted into the inner ring of the fixed base 2 and fixedly connected to the locking block 4. A compression spring is sleeved on the surface of the locking screw 14, and both ends of the compression spring are fixedly connected to the locking block 4 and the inner ring of the fixed base 2, respectively. A rotating ring 3 is rotatably installed on the upper end of the fixed base 2. An adjusting block 17 is provided on the upper end of the rotating ring 3, and a toothed ring 16 is provided on the lower end of the rotating ring 3. A rotating gear 15 is provided on the outer side of the locking screw sleeve 13, and the rotating gear 15 meshes with the toothed ring 16.

[0032] In this embodiment, the beaker is placed inside the fixed base 2. The user rotates the rotating ring 3 by adjusting the block 17. The rotating ring 3 drives multiple locking sleeves 13 to rotate through the toothed ring 16 and the rotating gear 15. Under the action of the compression spring, the locking block 4 can be prevented from rotating. The locking block 4 can limit the rotation of the locking screw 14. The locking screw 14 moves towards the inner ring of the fixed base 2 as the locking sleeve 13 rotates, which is convenient for clamping and fixing beakers of different diameters.

[0033] like Figures 2 to 5 As shown, this embodiment provides a magnetic stirrer with an adjustable stirring range. The adjustment structure includes a rotating screw 18, which is movably installed inside an adjusting plate 6. A movable sleeve 19 is fitted on the surface of the rotating screw 18. Slide grooves are provided on both sides of the lower end of the adjusting plate 6. The upper end of a movable rod 7 passes through the slide groove and is connected to the movable sleeve 19. The lower end of the movable rod 7 and the lower end of the fixed rod 8 are on the same horizontal line. A movable groove is provided inside the adjusting plate 6. A gear 21 is rotatably installed inside the movable groove. One end of the rotating screw 18 is movably inserted inside the movable groove and is fitted with a meshing gear 20. The meshing gear 20 meshes with the gear 21. A rotating block 22 is provided on the upper end of the gear 21.

[0034] In this embodiment, the user drives the toothed disc 21 to rotate by rotating the block 22. The toothed disc 21 can drive multiple meshing gears 20 to rotate. The meshing gears 20 drive multiple rotating screws 18 to rotate. The movable sleeve 19 moves with the rotation of the rotating screws 18 under the action of the thread. The movable sleeve 19 drives the movable rod 7 to move, which can adjust the distance between the movable rod 7 and the fixed rod 8, so as to facilitate the adjustment of the stirring range.

[0035] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A magnetic stirrer with adjustable stirring range, comprising a stirrer body (1), characterized in that: The upper end of the stirrer body (1) is provided with a fixing seat (2), the inner wall of the fixing seat (2) is movably provided with a locking block (4) on both sides, the locking block (4) is provided with a clamping structure on one side, the upper end of the stirrer body (1) is provided with a supporting seat (5), the upper end of the supporting seat (5) movably penetrates an adjusting screw rod (12), the lower end of the adjusting screw rod (12) is provided with an adjusting plate (6), the lower end of the adjusting plate (6) is movably provided with a movable rod (7) on both sides, the upper end of the movable rod (7) is provided with an adjusting structure, and the lower end of the movable rod (7) and the adjusting rod is rotatably provided with a rotor (9).

2. A magnetic stirrer with adjustable stirring range according to claim 1, characterized in that: The upper end of the adjusting plate (6) is movably provided with a connecting rod (10) on both sides, the upper end of the connecting rod (10) penetrates the supporting seat (5) and is provided with a connecting plate (11), the adjusting screw rod (12) penetrates the inside of the connecting plate (11), the upper end of the supporting seat (5) is provided with a threaded hole, and the adjusting screw rod (12) movably penetrates the inside of the threaded hole.

3. A magnetic stirrer with adjustable stirring range as claimed in claim 1, wherein: The clamping structure comprises a locking sleeve (13), the locking sleeve (13) is rotatable on both sides in the fixing seat (2), one end of the locking sleeve (13) movably penetrates a locking screw rod (14), and one end of the locking screw rod (14) penetrates the inner ring of the fixing seat (2) and is fixedly connected with the locking block (4).

4. A magnetic stirrer with adjustable stirring range according to claim 3, characterized in that: The surface of the locking screw rod (14) is provided with a compression spring, and the two ends of the compression spring are fixedly connected with the locking block (4) and the inner ring of the fixing seat (2) respectively.

5. A magnetic stirrer with adjustable stirring range according to claim 4, characterized in that: The upper end of the fixing seat (2) is rotatably provided with a rotating ring (3), the upper end of the rotating ring (3) is provided with an adjusting block (17), the lower end of the rotating ring (3) is provided with a gear ring (16), the outer side of the locking sleeve (13) is provided with a rotating gear (15), and the rotating gear (15) is engaged with the gear ring (16).

6. The magnetic stirrer with adjustable stirring range according to claim 1, characterized in that: The adjusting structure comprises a rotating screw rod (18), the rotating screw rod (18) is movably installed in the inside of the adjusting plate (6), and the surface of the rotating screw rod (18) is provided with a moving sleeve (19).

7. A magnetic stirrer with adjustable stirring range according to claim 6, characterized in that: The lower end of the adjusting plate (6) is provided with a sliding groove on both sides, the upper end of the movable rod (7) penetrates the sliding groove and is connected with the moving sleeve (19), and the lower end of the movable rod (7) and the lower end of the fixed rod (8) are located on the same horizontal line.

8. A magnetic stirrer with adjustable stirring range according to claim 7, characterized in that: The inside of the adjusting plate (6) is provided with a movable groove, the inside of the movable groove is rotatably provided with a tooth disc (21), one end of the rotating screw rod (18) movably penetrates the inside of the movable groove and is provided with a meshing gear (20), the meshing gear (20) is engaged with the tooth disc (21), and the upper end of the tooth disc (21) is provided with a rotating block (22).

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