CN210584762U

CN210584762U - Magnetic stirrer

Info

Publication number: CN210584762U
Application number: CN201921390801.8U
Authority: CN
Inventors: 冯皓
Original assignee: Jiangsu Jingnuoze Biomedical Technology Co ltd
Current assignee: Jiangsu Jingnuoze Biomedical Technology Co ltd
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-05-22
Anticipated expiration: 2029-08-24

Abstract

The utility model relates to a medicine agitated vessel technical field discloses a magnetic stirrers, include the agitator body and fix the tray that is used for placing the container on the agitator body upper surface, be equipped with the cavity in the tray, the cavity internal slipping is connected with two at least fixed covers, equal fixedly connected with tensioning spring in each fixed cover, the telescopic link of fixed cover is worn to establish in the tip fixedly connected with activity of tensioning spring, the tip fixedly connected with slider of telescopic link, the connecting plate at cavity top is worn to establish by fixedly connected with on the upper surface of slider, set up the spout that the connecting plate of being convenient for slided on the upper surface of tray, the top of connecting plate is equipped with the butt piece that is used for supporting the container. The utility model has the advantages of it is following and effect: the stability of the container can be improved, and the problem that the container is likely to topple over in the stirring process is reduced.

Description

Magnetic stirrer

Technical Field

The utility model relates to a medicine agitated vessel technical field, in particular to magnetic stirrers.

Background

The magnetic stirrer is used mainly in stirring or heating low viscosity liquid or solid-liquid mixture and has the basic principle of utilizing the principle of magnetic field of repelling like poles and attracting opposite poles to drive the stirrer inside the container to move circularly.

At present, the chinese utility model patent with publication number CN205659628U discloses a magnetic stirrer, which comprises a housing, a magnetic stirring part, a weighing part, a supporting platform, a rotating magnetic field device and a scale pan, wherein the magnetic stirring part comprises the supporting platform; the shell comprises a base, the weighing part is installed on the base and comprises a weighing sensor, and the magnetic stirring part is supported by the weighing sensor.

According to the technical scheme, the weighing sensor is fixed on the base of the shell, and the magnetic stirring part is integrally supported by the weighing sensor, so that the weight or weight change of the stirred material can be determined at any time without performing a complicated additional weighing process. But has the following disadvantages: the magnetic stirrer can drive the container for holding samples to vibrate during operation, and the container can be toppled over. Therefore, there is a need for a magnetic stirrer that can improve the stability of the container and reduce the possibility of the container toppling over during stirring.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a magnetic stirrer, can improve the stability of container, reduce the problem that stirring in-process container probably emptys.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a magnetic stirrer, includes the agitator body and fixes the tray that is used for placing the container on agitator body upper surface, be equipped with the cavity in the tray, it is connected with two at least fixed covers, each to slide in the cavity equal fixedly connected with tensioning spring in the fixed cover, the telescopic link of fixed cover is worn to establish in the tip fixedly connected with activity of tensioning spring, the tip fixedly connected with slider of telescopic link, the connecting plate at cavity top is worn to establish by fixedly connected with on the upper surface of slider, set up the spout that the connecting plate of being convenient for slided on the upper surface of tray, the top of connecting plate is equipped with the butt piece that is used for supporting the container.

By adopting the technical scheme, the abutting sheets are pulled along the sliding groove to be away from each other, the connecting plate drives the sliding block to move towards the direction of the fixed sleeve, so that the telescopic rod slides towards the inside of the fixed sleeve, the tensioning spring is extruded to be compressed and deformed, and then the container is placed on the tray; and then the abutting pieces are loosened, and the tensioning spring recovers deformation, so that the abutting pieces are pushed to move towards the container until the abutting pieces are tightly attached to the side wall of the container, the container is fixed between the abutting pieces, the stability of the container is improved, and the problem that the container is likely to topple in the stirring process is reduced.

The utility model discloses further set up to, be equipped with on the tray and be used for the spacing subassembly fixed with the slider, spacing subassembly wears to establish the movable rod at cavity top, fixes and establish in the movable rod bottom and cover and have elastic spacing ring and fix the pull ring at the movable rod top on the telescopic link including the activity, set up the breach that supplies the telescopic link to pass on the spacing ring.

By adopting the technical scheme, the limiting assembly is set to be the combination of the movable rod, the limiting ring and the pull ring, when the container is placed on the tray, the movable rod drives the limiting ring to move upwards by pulling the pull ring upwards, and then the limiting ring is separated from the telescopic rod, so that the telescopic rod can normally stretch and retract, and the container can be placed on the tray; when the container needs to be fixed again after being placed, the movable rod drives the limiting ring to move downwards by pressing the pull ring downwards, so that the limiting ring is clamped on the telescopic rod again, the telescopic rod can be limited, the problem that the container is toppled over due to the fact that the sliding block is stressed to move in the stirring process is solved, and the stability of the container during stirring is further improved.

The utility model discloses further set up to, the spacing circling fixedly connected with is located two guide pieces of breach both sides respectively.

Through adopting above-mentioned technical scheme, be equipped with the guide vane and move down at the spacing collar when, the telescopic link at first contacts with the guide vane, in telescopic link accessible breach gets into the spacing collar under the direction of guide vane to this use that makes the agitator is convenient and fast more.

The utility model discloses further set up to, the top of connecting plate is equipped with the buffering subassembly, the buffering subassembly is including fixing the cushion collar at connecting plate top, fixing magnet one in the cushion collar, slide and wear to establish the cushion collar and with butt piece fixed connection's buffer beam and fixed connection at buffer beam tip and magnet one magnet two that repel mutually.

Through adopting above-mentioned technical scheme, establish the buffering subassembly into the cushion collar, magnet one, the combination of buffer lever and magnet two, container vibrations thereupon in stirring process, the effort that vibrations produced passes through the butt piece and transmits to the buffer lever on, with this make the buffer lever move in to the cushion collar, with this distance that makes between magnet two and magnet one shortens, repulsion increase between the two, the effort that some vibrations produced can be offset to the repulsion between magnet one and magnet two, thereby the absorbing effect has been played, the security of container when further having improved the stirring.

The utility model discloses further set up to, the arc wall has been seted up on the upper surface of tray, can dismantle on the arc wall and be fixed with the backup pad.

By adopting the technical scheme, if the bottom of the container is a plane, the container is placed on the supporting plate; if the bottom of the container is an arc surface, the supporting plate is detached from the tray, and the container is placed in the arc-shaped groove; through the arrangement of the arc-shaped groove and the supporting plate, the device can well fix different containers, so that the practicability of the device is improved.

The utility model discloses further set up to, on the upper surface of arc wall the upper surface of backup pad is gone up and all be provided with anti-skidding line on the upper surface of tray.

Through adopting above-mentioned technical scheme, be equipped with the frictional force that anti-skidding line can increase the container bottom and receive, improved the stability of container bottom to the security of container has further been improved.

The utility model discloses further set up to, a plurality of slots have been seted up on the arc wall, fixedly connected with is a plurality of with the slot inserted bar of grafting complex on the lower surface of backup pad.

By adopting the technical scheme, the supporting plate is provided with the mutual inserting grooves and the inserting rods, the supporting plate and the butting grooves can be conveniently detached and connected, so that the device can be well fixed on different containers, and the practicability of the device is improved.

The utility model discloses further set up to, set up on the tray with the square hole of arc wall intercommunication.

Through adopting above-mentioned technical scheme, when needs are dismantled the backup pad from the butt joint groove, the operator inserts the hand in the square hole, then upwards carries and draws the backup pad to this can be dismantled the backup pad, and the setting of square hole has made things convenient for the dismantlement of backup pad.

To sum up, the utility model discloses a beneficial technological effect does:

1. in the scheme, the distance between the abutting pieces is adjusted, so that the container is placed between the abutting pieces, the stability of the container is improved, and the problem that the container is likely to topple in the stirring process is reduced;

2. in the scheme, the telescopic rod can be limited by the limiting assembly, so that the problem that the container is toppled due to the fact that the sliding block is stressed to move in the stirring process is solved, and the stability of the container during stirring is further improved;

3. the acting force that vibrations produced when can offset the stirring with the buffering subassembly in this scheme to play absorbing effect, the security of container when further having improved the stirring.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic sectional view of the embodiment;

FIG. 3 is an enlarged schematic view of A in FIG. 2;

FIG. 4 is a schematic structural diagram of a salient position-limiting component in the embodiment.

Reference numerals: 1. a stirrer body; 11. a tray; 111. an arc-shaped slot; 112. a slot; 113. a square hole; 12. a support plate; 121. inserting a rod; 13. anti-skid lines; 14. a cavity; 15. a chute; 2. fixing a sleeve; 21. tensioning the spring; 22. a telescopic rod; 23. a slider; 231. a connecting plate; 3. a buffer assembly; 31. a buffer sleeve; 32. a magnet I; 33. a buffer rod; 34. a second magnet; 4. abutting the sheet; 5. a limiting component; 51. a movable rod; 52. a limiting ring; 521. a notch; 522. a guide piece; 53. and (4) a pull ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the magnetic stirrer comprises a stirrer body 1, a tray 11 is fixedly connected to the upper surface of the stirrer body 1, the tray 11 is of a cylindrical structure, the height direction of the tray 11 is consistent with that of the stirrer body 1, and the tray 11 is used for placing a container. The upper surface of tray 11 is seted up arc wall 111, and the direction of depth of arc wall 111 is unanimous with the direction of height of tray 11, and arc wall 111 can be used to place the bottom for curved container. Referring to fig. 3, the arc-shaped groove 111 is provided with a plurality of slots 112, the slots 112 are cylindrical, the length direction of the slots 112 is the same as the depth direction of the arc-shaped groove 111, and the slots 112 are uniformly distributed on the edge of the arc-shaped groove 111 in an annular shape. The arc-shaped groove 111 is inserted with the support plate 12, the lower surface of the support plate 12 is arc-shaped, and the arc-shaped lower surface of the support plate 12 is matched with the arc-shaped groove 111, so that the support plate 12 can be placed in the arc-shaped groove 111, and the upper surface of the support plate 12 is a plane and can be used for placing a container with a plane bottom. Fixedly connected with inserted bar 121 on the lower surface of backup pad 12, inserted bar 121 is cylindrical structure, the length direction of inserted bar 121 is unanimous with the length direction of slot 112, and the quantity of inserted bar 121 equals with the quantity of slot 112, inserted bar 121 pegs graft the cooperation with slot 112, thereby realized dismantling between arc wall 111 and the backup pad 12 and be connected, setting through arc wall 111 and backup pad 12, make the device homoenergetic carry out good fixed to the container homoenergetic of difference, with this practicality that has improved the device.

As shown in fig. 1 and 3, the anti-slip threads 13 are disposed on the upper surface of the arc-shaped groove 111, the upper surface of the supporting plate 12 and the upper surface of the tray 11, and the anti-slip threads 13 can increase the friction force applied to the bottom of the container, thereby further improving the safety of the container. Seted up square hole 113 on tray 11, square hole 113 and arc wall 111 intercommunication, the quantity of square hole 113 is two, two square holes 113 along the axis symmetric distribution of arc wall 111, and square hole 113 sets up on the tray 11 that is located backup pad 12 both sides, when needs are dismantled backup pad 12 from the butt joint groove, the operator inserts the hand in square hole 113, then draw backup pad 12 to lifting, with this can dismantle backup pad 12, the dismantlement of backup pad 12 has been made things convenient for in the setting up of square hole 113.

As shown in fig. 2, a cavity 14 is provided in the tray 11, the shape of the cavity 14 is the same as that of the tray 11, and the cavity 14 is provided coaxially with the tray 11. Fixed cover 2 of fixedly connected with in the cavity 14, fixed cover 2 are hollow cuboid structure, and the quantity of fixed cover 2 is four, and four fixed covers 2 are annular evenly distributed on the upper surface of cavity 14. The fixed sleeve 2 is internally and fixedly connected with a tension spring 21, the length direction of the tension spring 21 is consistent with that of the fixed sleeve 2, and one end part of the tension spring 21 is fixedly connected with the inner wall of the fixed sleeve 2 with a smaller area. Another end fixedly connected with stopper (not shown) of tensioning spring 21, the stopper is the rectangle platelike structure, and the stopper is located fixed cover 2 inside, and the stopper can slide along the length direction of fixed cover 2. Fixedly connected with telescopic link 22 on the side that tensioning spring 21 was kept away from to the stopper, telescopic link 22 are cylindrical structure, and the length direction of telescopic link 22 is unanimous with the length direction of fixed cover 2, and telescopic link 22 keeps away from the tip of stopper and slides and wear to establish the lateral wall of fixed cover 2, extends to the outside of fixed cover 2. As shown in fig. 4, the end of the telescopic rod 22 outside the fixed sleeve 2 is fixedly connected with a sliding block 23. The slider 23 has a rectangular parallelepiped shape, and the lower surface of the slider 23 is closely attached to the upper surface of the cavity 14. All fixedly connected with connecting plate 231 on the upper surface of slider 23, connecting plate 231 is the rectangle platelike structure, and connecting plate 231 is vertical to be set up, and the bottom surface of the less area of connecting plate 231 is fixed on the upper surface of slider 23, and the top of cavity 14 is worn to establish by the top of connecting plate 231 extends to on the tray 11. The tray 11 is provided with four sliding grooves 15, the four sliding grooves 15 are uniformly distributed on the upper surface of the tray 11 in an annular manner, the connecting plate 231 can penetrate through the sliding grooves 15, and the connecting plate 231 can slide along the sliding grooves 15 along with the sliding blocks 23.

As shown in fig. 2, the top of the connection plate 231 is provided with a buffer assembly 3. The buffer assembly 3 includes a buffer sleeve 31, a first magnet 32, a buffer rod 33 and a second magnet 34. The cushion sleeve 31 has a hollow rectangular parallelepiped structure, the longitudinal direction of the cushion sleeve 31 is identical to the longitudinal direction of the slide groove 15 at the corresponding position, and the lower surface of the cushion sleeve 31 is fixedly connected to the top of the connecting plate 231. The first magnet 32 is in a rectangular parallelepiped structure, and the first magnet 32 is fixed on the inner wall of the buffer sleeve 31 with a smaller area. The buffer rod 33 is of a rectangular parallelepiped structure, the length direction of the buffer rod 33 is the same as that of the buffer sleeve 31, and the buffer rod 33 slides through the side wall of the buffer sleeve 31 far away from the first magnet 32. Magnet two 34 is located in buffer sleeve 31, and magnet two 34 is the same shape with magnet one 32, and magnet two 34 is fixed on the end of buffer rod 33 that is located in buffer sleeve 31, and the opposite face of magnet one 32 and magnet two 34 is mutually repulsive. Buffer bar 33 is located fixedly connected with butt piece 4 on the tip outside buffer sleeve 31, and butt piece 4 is the arc platelike structure, 4 great area's of butt cambered surface and buffer bar 33 fixed connection, 4 less area's of butt cambered surface and the lateral wall of container are hugged closely to this can be fixed the container. In the stirring process, the container vibrates, the acting force generated by the vibration is transmitted to the buffer rod 33 through the abutting sheet 4, so that the buffer rod 33 moves into the buffer sleeve 31, the distance between the second magnet 34 and the first magnet 32 is shortened, the repulsive force between the second magnet 34 and the first magnet 34 is increased, and the repulsive force between the first magnet 32 and the second magnet 34 can offset part of the acting force generated by the vibration, so that the vibration absorption effect is achieved, and the safety of the container in the stirring process is further improved. Be equipped with spacing subassembly 5 on the tray 11, spacing subassembly 5 is equipped with four groups altogether, and four group's spacing subassemblies 5 are used for spacing the telescopic link 22 on four fixed covers 2 respectively.

As shown in fig. 4, each of the limiting assemblies 5 includes a movable rod 51, a limiting ring 52 and a pull ring 53. The movable rod 51 is of a cylindrical structure, the length direction of the movable rod 51 is consistent with the height direction of the cavity 14, and the movable rod 51 penetrates through the top of the tray 11 and is connected with the tray 11 in a sliding mode. The limiting ring 52 is of a circular ring structure, the limiting ring 52 is made of an elastic material and has certain elasticity, the side wall of the limiting ring 52 is fixedly connected with the end part of the movable rod 51 located in the cavity 14, the inner diameter of the limiting ring 52 is slightly larger than the diameter of the telescopic rod 22, and the length direction of the limiting ring 52 is consistent with the length direction of the telescopic rod 22. The bottom of the limiting ring 52 is provided with a notch 521, and the telescopic rod 22 can enter the limiting ring 52 through the notch 521. The limiting ring 52 is fixed with two guide pieces 522, each guide piece 522 is of a rectangular plate-shaped structure, the two guide pieces 522 are symmetrically distributed along the central axis of the limiting ring 52, and the two guide pieces 522 are respectively fixed on the limiting ring 52 on two sides of the notch 521. The pull ring 53 is a circular ring structure, and the pull ring 53 is fixed on the end of the movable rod 51 outside the cavity 14. The pull ring 53 is pulled upwards to enable the movable rod 51 to drive the limiting ring 52 to move upwards, so that the limiting ring 52 is separated from the telescopic rod 22, the telescopic rod 22 can normally stretch, and the container can be placed on the tray 11; when the container needs to be fixed again after being placed, make movable rod 51 drive spacing collar 52 move down through pressing pull ring 53 downwards, telescopic link 22 at first contacts with guide vane 522, telescopic link 22 accessible breach 521 gets into spacing collar 52 fast under guide vane 522's direction, with this make spacing collar 52 block again on telescopic link 22, thereby can carry out spacingly to telescopic link 22, prevent that slider 23 atress from taking place to remove in stirring process, and lead to the problem that the container emptys, the stability of container when further having improved the stirring.

When the container is used, the abutting pieces 4 are pulled along the sliding grooves 15 to enable the abutting pieces 4 to be away from each other, at the moment, the connecting plate 231 drives the sliding block 23 to move towards the direction of the fixing sleeve 2, so that the telescopic rod 22 slides towards the inside of the fixing sleeve 2, the tensioning spring 21 is extruded to be compressed and deformed, and then the container is placed on the tray 11; then the abutting pieces 4 are loosened, the tensioning spring 21 restores deformation, so that the abutting pieces 4 are pushed to move towards the container until the abutting pieces 4 are tightly attached to the side wall of the container, and the container is fixed between the abutting pieces 4; then utilize spacing subassembly 5 to carry out spacing once more to telescopic link 22 to can carry out spacing to slider 23, improve the stability of container with this, reduce the problem that the container probably emptys among the stirring process.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a magnetic stirrer, includes agitator body (1) and fixes tray (11) that are used for placing the container on agitator body (1) upper surface, characterized by: be equipped with cavity (14) in tray (11), cavity (14) internal slipping is connected with two at least fixed covers (2), each equal fixedly connected with tensioning spring (21) in fixed cover (2), telescopic link (22) of fixed cover (2) are worn to establish by the tip fixedly connected with activity of tensioning spring (21), tip fixedly connected with slider (23) of telescopic link (22), connecting plate (231) at cavity (14) top are worn to establish by fixedly connected with on the upper surface of slider (23), offer spout (15) that connecting plate (231) of being convenient for slided on the upper surface of tray (11), the top of connecting plate (231) is equipped with to butt piece (4) that are used for supporting the container.

2. A magnetic stirrer according to claim 1, wherein: be equipped with on tray (11) and be used for spacing subassembly (5) fixed with slider (23), spacing subassembly (5) including the activity wear to establish movable rod (51) at cavity (14) top, fix in movable rod (51) bottom and cover and establish and have elastic spacing collar (52) and fix pull ring (53) at movable rod (51) top on telescopic link (22), set up breach (521) that supply telescopic link (22) to pass on spacing collar (52).

3. A magnetic stirrer according to claim 2, wherein: the limiting ring (52) is fixedly connected with two guide sheets (522) which are respectively positioned at two sides of the notch (521).

4. A magnetic stirrer according to claim 1, wherein: the top of connecting plate (231) is equipped with buffer unit (3), buffer unit (3) including fix buffer sleeve (31) at connecting plate (231) top, fix magnet (32) in buffer sleeve (31), slide and wear to establish buffer sleeve (31) and with butt piece (4) fixed connection's buffer rod (33) and fixed connection at buffer rod (33) tip and magnet two (34) that magnet (32) are repulsive mutually.

5. A magnetic stirrer according to claim 1, wherein: an arc-shaped groove (111) is formed in the upper surface of the tray (11), and a supporting plate (12) is detachably fixed to the arc-shaped groove (111).

6. A magnetic stirrer according to claim 5, wherein: anti-skid grains (13) are arranged on the upper surface of the arc-shaped groove (111), the upper surface of the supporting plate (12) and the upper surface of the tray (11).

7. A magnetic stirrer according to claim 5, wherein: a plurality of slots (112) are formed in the arc-shaped groove (111), and a plurality of insertion rods (121) which are in insertion connection with the slots (112) in a matched mode are fixedly connected to the lower surface of the supporting plate (12).

8. A magnetic stirrer according to claim 5, wherein: the tray (11) is provided with a square hole (113) communicated with the arc-shaped groove (111).