CN209348447U - A kind of vortex mixed instrument - Google Patents

Abstract

The utility model discloses a kind of vortex mixed instruments, including motor, motor estrade, circuit board, eccentric block, bearing, shell, glue bowl, pedestal, switch and power outlet, the circuit board is fixed on the base, the motor is fixed on the circuit board by the motor estrade, the main shaft of the motor is fixedly connected with the eccentric block, the inner ring of the bearing is fixed on the eccentric block, the outer ring of the bearing and the center of the glue bowl are connected, the outer rim of the glue bowl is fixed with the cover top portion, and the outer casing bottom and the pedestal are connected；Wherein, the axle center of the bearing is not overlapped with the axle center of the electric machine main shaft, and the eccentric block and the common center of gravity of the bearing are located on the axle center of the electric machine main shaft.The utility model is located on the axle center of electric machine main shaft by the common center of gravity of setting eccentric block and bearing, makes eccentric block and the bearing stable equilibrium in rotation, and then guarantee that instrument itself does not move vortex mixed instrument when in use and noise is small.

Description

A kind of vortex mixed instrument

Technical field

The utility model relates to technical field of experiment equipment more particularly to a kind of vortex mixed instruments.

Background technique

In chemistry and Life Science Experiment, it is often necessary to be mixed well to different solutions, whirlpool in the prior art Mixer is revolved, such as: 203678325 U of CN 203725091 U, CN 206424886 U, CN etc., these turbine mixers Working principle is so that solution in the containers such as test tube is generated vortex using eccentric shaft rotation, so that reaching mixes well solution Purpose.After energization turns on the switch, due to the center of gravity of eccentric shaft and motor imbalance, itself can not stop to move these turbine mixers Dynamic, when operation, just need to can be such that it does not move by manpower, and noise is big.Therefore, how to make that vortex mixed instrument is stable and noise is small It is those skilled in the art's technical problem anxious to be resolved.

Utility model content

Utility model aims to solve vortex mixed instrument moves in use in the prior art and noise is big The problem of.

To achieve the goals above, the utility model uses following technical scheme:

A kind of vortex mixed instrument, including motor, motor estrade, circuit board, eccentric block, bearing, shell, glue bowl, pedestal, open Pass and power outlet, the circuit board is fixed on the base, and the motor is fixed on the electricity by the motor estrade On the plate of road, the main shaft of the motor is fixedly connected with the eccentric block, and the inner ring of the bearing is fixed on the eccentric block, institute The center of the outer ring and the glue bowl of stating bearing is connected, and outer rim and the cover top portion of the glue bowl are fixed, the shell bottom Portion and the pedestal are connected, and the switch and power outlet setting are on the base；Wherein, the axle center of the bearing with The axle center of the electric machine main shaft is not overlapped, and the eccentric block and the common center of gravity of the bearing are located at the axle center of the electric machine main shaft On.

Preferably, the shell is made of hard plastic material, and the glue bowl is made of soft rubber material.

Preferably, the bearing and the eccentric block rotate, glue bowl concave surface with the rotation of the electric machine main shaft Center is twisted with the rotation of bearing.

Preferably, the glue bowl medial center is equipped with hollow cylindrical protrusion, and the hollow cylindrical protrusion is set in institute It states on bearing outer ring.

Preferably, the motor is brshless DC motor.

Preferably, the pedestal is made of rigid material.

The beneficial effects of the utility model are, are located at electric machine main shaft by the common center of gravity of setting eccentric block and bearing On axle center, make eccentric block and the bearing stable equilibrium in rotation, therefore guarantee that instrument itself does not move vortex mixed instrument when in use Dynamic and noise is small.After electric motor starting, since the axle center of bearing is not overlapped with the axle center of electric machine main shaft, bearing outer ring is around spindle axis Rotation makes to be placed on solution in the supercentral pipe of glue bowl and generates vortex to drive glue bowl twist, to reach sufficiently mixed The effect of even solution.And the vortex mixed instrument uses brshless DC motor, and it, can be by 70%~80% using low-voltage DC Electric energy be converted into mechanical energy, high conversion efficiency, have many advantages, such as power saving it is environmentally friendly, it is at low cost, light and handy, be suitable for being widely applied.

Detailed description of the invention

Fig. 1 is the configuration schematic diagram of the vortex mixed instrument according to shown in the embodiment of the present application；

Fig. 2 is the schematic diagram of internal structure of the vortex mixed instrument according to shown in the embodiment of the present application；

Fig. 3 is the overall structure diagram of the vortex mixed instrument according to shown in the embodiment of the present application；

Fig. 4 is the glue bowl schematic diagram of internal structure of the vortex mixed instrument according to shown in the embodiment of the present application.

In figure, 1 is glue bowl, and 2 be shell, and 3 be bearing, and 4 be eccentric block, and 5 be motor, and 6 be motor estrade, and 7 be circuit board, 8 be pedestal, and 9 be switch, and 10 be power outlet, and 11 be concave surface center, and 12 be hollow cylindrical protrusion.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

On the contrary, the utility model cover it is any be defined by the claims do in the spirit and scope of the utility model Substitution, modification, equivalent method and scheme.Further, right below in order to make the public have a better understanding the utility model It is detailed to describe some specific detail sections in the datail description of the utility model.Do not have for a person skilled in the art The utility model can also be understood completely in the description of these detail sections.

A kind of vortex mixed instrument as shown in Figs 1-4, including motor 5, motor estrade 6, circuit board 7, eccentric block 4, bearing 3, shell 2, glue bowl 1, pedestal 8, switch 9, power outlet 10.Wherein, circuit board 7 is installed on pedestal 8, circuit board 7 and pedestal 8 The modes such as it can be bolted, snap connection to be connected.Motor 5 is fixed on circuit board 7 by motor estrade 6.Wherein, electric Machine 5 and motor estrade 6 are fixed, and fixed form can be splicing, interference fit etc.；Motor estrade 6 and circuit board 7 are fixed, fixed Mode can be to be bolted.The main shaft of motor 5 is fixedly connected with eccentric block 4, and eccentric block 4 can turn with electric machine main shaft It moves and rotates.Specifically, electric machine main shaft and eccentric block 4 can realize fixed company by modes such as splicing, interference fit, clampings It connects.The inner ring of bearing 3 is fixed on eccentric block 4.As shown in Figure 1, the inner ring of bearing 3 can be with company set on eccentric block 4 Extension bar is fixed, for example, the inner ring of bearing 3 can be fixed with the connecting rod by the modes such as being glued or being interference fitted.Outside bearing 3 The center of circle and glue bowl 1 is connected and (is such as glued), so that the center of glue bowl 1 can be twisted with the rotation of bearing outer ring.Example Such as, the outer ring of bearing 3 can be glued with certain the pericentral annulus position of glue bowl 1.The outer rim of glue bowl 1 and the top of shell 2 are solid Fixed, fixed form can be splicing etc..The bottom of shell 2 and pedestal 8 are connected, and attachment can be to be clamped, be bolted. Shell 2 can cover motor 5 and 7 entirety of circuit board.Switch 9 and power outlet 10 are arranged on pedestal 8.Wherein, power supply (not shown) can be connect by power outlet 10 with circuit board 7, to power to motor 5.Switch 9 can pass through circuit board 7 The starting and closing for controlling motor 5, to control the opening and closing of vortex mixed instrument.In the present embodiment, the axle center of bearing 3 It is not overlapped and (deviates from each other) with the axle center of 5 main shaft of motor；Eccentric block 4 and the common center of gravity of bearing 3 are located at the axis of 5 main shaft of motor In the heart.

Be illustrated in figure 2 the top view of vortex mixed instrument internal structure, wherein the axle center of bearing 3, eccentric block 4 axle center And the axle center three of 5 main shaft of motor is not overlapped mutually.In some embodiments, pass through the counterweight of setting eccentric block 4, eccentric block 4 Position etc. relative to the position of 5 spindle axis of motor and/or bearing 3 relative to eccentric block 4, can make eccentric block 4 and bearing 3 Common center of gravity is located on the axle center of 5 main shaft of motor, so that eccentric block 4 and bearing 3 reach when around 5 main axis of motor Balance, and then make vortex mixed instrument instrument itself does not move when in use and noise is small.

In some embodiments, shell 2 can be made of hard plastic material, such as phenoplasts, polyurethane plastics, epoxy Plastics, unsaturated polyester plastic etc..Glue bowl 1 can be made of soft rubber material.Glue bowl 1 can be with the rotation of 3 outer ring of bearing And elastic distortion deformation occurs.

In some embodiments, bearing 3 and eccentric block 4 can be rotated with the rotation of 5 main shaft of motor.Due to bearing 3 Axle center be not overlapped with the axle center of 5 main shaft of motor, the center (concave surface center 11 as shown in Figure 3) of glue bowl 1 can be with axis The rotation held and twist and (do the circular motion not rotated around the axle center of 5 main shaft of motor).

In some embodiments, it is as shown in Figure 4 can be equipped with hollow cylindrical protrusion 12(for 1 medial center of glue bowl), in this Hollow-cylindrical protrusion 12 can cover on 3 outer ring of bearing.The hollow cylindrical protrusion 12 can be made of soft rubber material.One In a little embodiments, gasket can be put into the hollow cylindrical protrusion 12,3 outer ring of bearing can be by gasket and glue bowl 1 Heart connection (is such as glued).For example, 3 outer ring of bearing and gasket can be fixed (as being glued), then gasket and 1 center of glue bowl are consolidated Fixed (as being glued).In some embodiments, as shown in figure 4, the inside diameter of the inside hollow cylindrical protrusion 12 can be less than The diameter of 3 outer ring rotating range of bearing squeezes so that 3 outer ring of bearing can be formed hollow cylindrical protrusion 12 in rotation, And then the twisting at the center of glue bowl 1 can be promoted.

In some embodiments, motor 5 can be brshless DC motor, if small brushless dc motor is (for example, power is 12W), so as to improving electric energy conversion efficiency, power saving environmental protection, save the cost etc..

In some embodiments, pedestal 8 can be made of rigid material, for example, No. 45 rigid, carbon steels etc., so that vortex is mixed It is more stable to close instrument.

When actually using this vortex mixed instrument, each section (vortex mixed instrument such as Fig. 3 institute connected is connected by diagram Show), it is located on the axle center of 5 main shaft of motor by the common center of gravity of setting eccentric block 4 and bearing 3, eccentric block 4 and bearing 3 is made to exist Stable equilibrium when rotation, therefore guarantee that instrument itself does not move vortex mixed instrument when in use and noise is small.Power supply is connected and is beaten After switch, the main shaft of motor 5 does high speed rotary motion, and bearing 3 and eccentric block 4 are rotated with the rotation of motor 5, due to axis It holds 3 axle center not to be overlapped with the axle center of 5 main shaft of motor, 3 outer ring of bearing is rotated around spindle axis, so that 1 center of glue bowl be driven to turn round Dynamic (doing the circular motion not rotated around the axle center of 5 main shaft of motor).Test tube bottom can be placed on to the recessed of glue bowl 1 at this time At face center 11 and slightly exert pressure, test tube in the case where the twisting at glue bowl center drives, manage in solution will generate vortex, filled to reach Divide the effect for mixing solution.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (6)

1. a kind of vortex mixed instrument, which is characterized in that including motor, motor estrade, circuit board, eccentric block, bearing, shell, glue Bowl, pedestal, switch and power outlet, the circuit board is fixed on the base, and the motor is solid by the motor estrade It is scheduled on the circuit board, the main shaft of the motor is fixedly connected with the eccentric block, and the inner ring of the bearing is fixed on described On eccentric block, the center of the outer ring of the bearing and the glue bowl is connected, and outer rim and the cover top portion of the glue bowl are fixed, The outer casing bottom and the pedestal are connected, and the switch and power outlet setting are on the base；Wherein, the axis The axle center held is not overlapped with the axle center of the electric machine main shaft, and the eccentric block and the common center of gravity of the bearing are located at the motor On the axle center of main shaft.

2. vortex mixed instrument according to claim 1, which is characterized in that the shell is made of hard plastic material, described Glue bowl is made of soft rubber material.

3. vortex mixed instrument according to claim 1, which is characterized in that the bearing and the eccentric block are with the electricity The rotation of owner's axis and rotate, glue bowl concave surface center is twisted with the rotation of bearing.

4. vortex mixed instrument according to claim 1, which is characterized in that the glue bowl medial center is equipped with hollow cylindrical Protrusion, the hollow cylindrical protrusion are set on the bearing outer ring.

5. vortex mixed instrument according to claim 1, which is characterized in that the motor is brshless DC motor.

6. vortex mixed instrument according to claim 1, which is characterized in that the pedestal is made of rigid material.