Microbial culture solution mixing device for laboratory

Abstract

The utility model discloses a microbe culture solution mixing device for laboratory, it includes base, placing rack, drive subassembly and limit piece, placing rack is provided on the base and with base sliding connection, drive subassembly includes eccentric wheel, fixed block, connecting rod and motor, eccentric wheel is provided outside the base, fixed block, connecting rod and motor. The eccentric wheel is provided with a sliding groove extending from the rotating center to the outermost edge direction, the fixing block is arranged in the sliding groove and is in sliding connection with the inner wall of the sliding groove, the two ends of the connecting rod are rotationally connected with the containing frame and the fixing block respectively, and the motor is used for driving the eccentric wheel to rotate. The limiting piece is used for limiting the position of the fixing frame in the sliding groove. According to the utility model, the oscillation amplitude of the placing rack is controlled by adjusting the position of the limiting piece, so that the device can meet the requirements of different experiments on uniform mixing strength.

Description

TECHNICAL FIELD

[0001] The utility model relates to culture solution mixing device technical field, concretely relates to a kind of microbial culture solution mixing device for laboratory. BACKGROUND

[0002] Microbial culture solution is needed in the process of microorganism culture in laboratory, so as to provide sufficient energy for microorganism, and microorganism in microbial culture solution is often unevenly distributed, so that the growth condition of microorganism is very different, at this time, mixing device is needed to mix microbial culture solution, so that microorganism grows normally.In addition, during the experiment, culture solution and some specific reagents also need to be mixed, at this time, staff manually shake or use mixing device to mix.

[0003] The existing mixing device generally uses mechanical oscillation, which is a common method for mixing microbial culture solution.Due to the differences in physical properties (such as viscosity and density) and microbial growth requirements of different culture solutions, different oscillation amplitudes are needed to achieve the best mixing effect.The oscillation amplitude of the existing culture solution mixing device is generally fixed and not easy to adjust. SUMMARY

[0004] The utility model aims at providing a kind of microbial culture solution mixing device for laboratory to solve the problem of different culture solutions needing different oscillation frequencies for mixing mentioned in the above background.

[0005] To solve the above technical problems, the utility model provides a kind of microbial culture solution mixing device for laboratory, which includes base, placing rack, driving assembly and limiting piece, the placing rack is arranged on the base and is in sliding connection with the base, the driving assembly includes eccentric wheel, fixed block, connecting rod and motor, the eccentric wheel is arranged on the outside of the base, a sliding slot extending along the rotation center to the outermost direction is opened on the eccentric wheel, the fixed block is arranged in the sliding slot and is in sliding connection with the inner wall of the sliding slot, the two ends of the connecting rod are respectively in rotary connection with the placing rack and the fixed block, the motor is used to drive the eccentric wheel to rotate, and the limiting piece is used to limit the position of the fixed block in the sliding slot.

[0006] Further, a plurality of uniformly distributed limiting holes are opened on the eccentric wheel, a plurality of the limiting holes are located on both sides of the sliding slot and correspond to the sliding slot, the limiting piece is a limiting bolt, and the threaded end of the limiting bolt is in threaded connection with the inner wall of the limiting hole through the fixed block.

[0007] Further, the number of limiting bolts is two, and the two limiting bolts are located on both sides of the fixed block.

[0008] Further, the placing rack comprises a sliding base, a fixed frame, fixed rods, a pressing plate and fixed sleeves, the sliding base is in sliding connection with the base, the fixed frame is installed on the sliding base, a plurality of placing grooves are formed in the fixed frame and are uniformly distributed and open to the first side of the fixed frame, the number of the fixed rods is two, the two fixed rods are respectively installed at the two ends of the first side of the fixed frame, the pressing plate is located at the first side of the fixed frame, the two ends of the pressing plate are respectively sleeved on the fixed rods, the number of the fixed sleeves is two, the two fixed sleeves are respectively sleeved on the two fixed rods and are in contact with the outer side of the pressing plate, and the fixed sleeves are in threaded connection with the fixed rods.

[0009] Further, the pressing plate is provided with an adjusting assembly, the adjusting assembly comprises a pressing plate and an adjusting knob, the pressing plate is located between the fixed frame and the pressing plate, the knob end of the adjusting knob is located on the outer side of the pressing plate, the threaded end of the adjusting knob is fixedly connected with the pressing plate through the pressing plate, and the threaded end of the adjusting knob is in threaded connection with the pressing plate.

[0010] Further, the inner sides of the placing grooves and the pressing plate are provided with rubber pads.

[0011] Further, the placing rack further comprises a cylinder for driving the fixed frame to reciprocatingly move longitudinally along the sliding base, the cylinder body of the cylinder is connected with the sliding base, the piston rod of the cylinder is connected with the fixed frame, and the fixed frame is in sliding connection with the sliding base.

[0012] The device can meet the needs of different experiments for mixing strength by adjusting the position of the limiting piece, controlling the position of the fixed block in the sliding groove and controlling the oscillation amplitude of the placing rack. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective structural schematic view of the utility model embodiment.

[0014] Figure 2 It is Figure 1 It is an enlarged structural schematic view of the A part in the middle.

[0015] Figure 3 It is a front view structural schematic view of the utility model embodiment.

[0016] Among them: 1, base; 2, placing rack; 3, driving assembly; 4, limiting piece; 5, adjusting assembly; 6, rubber pad; 7, cylinder.

[0017] 21 sliding seat; 22 fixed frame; 23 fixed rod; 24 pressing plate; 25 fixed sleeve; 31 eccentric wheel; 32 fixed block; 33 connecting rod; 34 motor; 51 pressing plate; 52 adjusting knob. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0019] To make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0020] In the following description, the references of "one embodiment", "an embodiment", "one example", "an example", and the like indicate that the described embodiment or example can include a particular feature, structure, characteristic, property, element or limitation, but not every embodiment or example necessarily includes the particular feature, structure, characteristic, property, element or limitation. In addition, repeatedly using the phrase "according to one embodiment of the present application" does not necessarily mean that the same embodiment is referred to.

[0021] As shown in Figures 1-3 The utility model discloses a kind of microbial culture solution mixing devices for laboratory, it includes base 1, rack 2, drive assembly 3 and limit piece 4, rack 2 is set on base 1, and with base 1 sliding connection, drive assembly 3 includes eccentric wheel 31, fixed block 32, connecting rod 33 and motor 34, eccentric wheel 31 is set on the outside of base 1, eccentric wheel 31 is opened with the slide groove extending along the rotation center to the direction of outermost, fixed block 32 is set in the slide groove, and with the inner wall of slide groove sliding connection, the both ends of connecting rod 33 are respectively rotationally connected with rack 2 and fixed block 32, motor 34 is used to drive eccentric wheel 31 rotation, limit piece 4 is used to limit the position of fixed block 32 in slide groove. In the embodiment, support seat is further provided between eccentric wheel 31 and motor 34, eccentric wheel 31 is rotationally connected with support seat, and motor 34 is set below support seat, and its output shaft is connected with eccentric wheel 31. Motor 34 is electrically connected with controller, and controller is prior art, and here will not be repeated.

[0022] The worker uses the controller to start the motor 34, the motor 34 drives the eccentric wheel 31 to rotate, along with the rotation of the eccentric wheel 31, the connecting rod 33 drives the placing rack 2 to do reciprocating motion in the base 1. When the oscillation amplitude needs to be adjusted, the worker can control the position of the fixed block 32 in the sliding groove through the limiting piece 4.

[0023] The utility model discloses through adjusting the position of limiting piece 4, the worker can accurately control the position of fixed block 32 in the sliding groove, and then control the oscillation amplitude of placing rack 2, so that the device can satisfy the demand of different experiments to mixing strength.

[0024] In one embodiment, a plurality of limiting holes are evenly distributed on the eccentric wheel 31, the plurality of limiting holes are located on both sides of the sliding groove and correspond to the sliding groove, the limiting piece 4 is a limiting bolt, and the threaded end of the limiting bolt is threadedly connected with the inner wall of the limiting hole through the fixed block 32. The worker loosens the limiting bolt, so that the fixed block 32 can freely slide in the sliding groove, moves the fixed block 32 to the target position along the sliding groove, inserts the threaded end of the limiting bolt into the corresponding limiting hole, tightens the bolt, locks the position of the fixed block 32, and determines the eccentricity. The structure is simple, convenient to operate, and has a wide range of applications.

[0025] In one embodiment, the number of limiting bolts is two, and the two limiting bolts are located on both sides of the fixed block 32. The two limiting bolts are symmetrically distributed, so that the fixed block 32 is uniformly stressed, and the deflection or loosening caused by unilateral stress is avoided.

[0026] In one embodiment, the placing rack 2 includes a sliding seat 21, a fixed frame 22, a fixed rod 23, a pressing plate 24 and a fixed sleeve 25. The sliding seat 21 is slidably connected with the base 1, the fixed frame 22 is installed on the sliding seat 21, a plurality of placing grooves are evenly distributed on the fixed frame 22 and open to the first side of the fixed frame 22, the number of fixed rods 23 is two, the two fixed rods 23 are respectively installed at both ends of the first side of the fixed frame 22, the pressing plate 24 is located on the first side of the fixed frame 22, both ends of the pressing plate 24 are respectively sleeved on the fixed rods 23, the number of fixed sleeves 25 is two, the two fixed sleeves 25 are respectively sleeved on the two fixed rods 23 and contact the outer side of the pressing plate 24, and the fixed sleeve 25 is threadedly connected with the fixed rod 23. That is, a plurality of culture solution containers are placed in the placing grooves, then the pressing plate 24 is inserted onto the fixed rods 23, and finally the fixed sleeves 25 are used to fix the plurality of culture solution containers. A plurality of placing grooves are formed on the fixed frame 22, which supports simultaneous mixing of a plurality of samples, improves experimental efficiency, and facilitates rapid container taking and placing. The threaded connection design of the pressing plate 24 and the fixed sleeve 25 facilitates rapid fixing.

[0027] In one embodiment, the adjusting assembly 5 is arranged on the pressing plate 24, the adjusting assembly 5 comprises a pressing plate 51 and an adjusting knob 52, the pressing plate 51 is located between the fixed frame 22 and the pressing plate 24, the knob end of the adjusting knob 52 is located outside the pressing plate 24, the threaded end of the adjusting knob 52 is fixedly connected with the pressing plate 51 through the pressing plate 24, and the threaded end of the adjusting knob 52 is threadedly connected with the pressing plate 24. By adjusting the position of the pressing plate 51, different specifications of culture solution containers can be adapted and uniformly mixed.

[0028] In one embodiment, the inner side of the placing groove and the pressing plate 51 is provided with a rubber pad 6, and the elastic property of the rubber pad 6 absorbs the impact force in the oscillation process, reduces the hard contact between the container and the placing groove and the pressing plate 51, and prevents the container from being damaged.

[0029] In one embodiment, the device further comprises a gas cylinder 7 for driving the fixed frame 22 to reciprocatingly move longitudinally along the sliding seat 21, the cylinder body of the gas cylinder 7 is connected with the sliding seat 21, the piston rod of the gas cylinder 7 is connected with the fixed frame 22, and the fixed frame 22 is slidingly connected with the sliding seat 21. The gas cylinder 7 is electrically connected with the controller.

[0030] The working process of the device is as follows:

[0031] The workers place a plurality of culture solution containers in the placing grooves of the fixed frame 22, then insert the pressing plate 24 into the fixed rod 23, and finally fix the plurality of culture solution containers by using the fixing sleeve 25. In addition, the position of the pressing plate 51 can be adjusted by using the adjusting knob 52, so that the culture solution containers are further fixed.

[0032] When the oscillation amplitude is adjusted, the workers loosen the limiting part 6, that is, loosen the limiting bolt in the embodiment, so that the fixed block 32 can freely slide in the sliding groove. The fixed block 32 is moved along the sliding groove to a target position, the threaded end of the limiting bolt is inserted into the corresponding limiting hole, the limiting bolt is tightened, the position of the fixed block 32 is locked, and the eccentric distance is determined.

[0033] The workers start the motor 34 by using the controller, the motor 34 drives the eccentric wheel 31 to rotate, along with the rotation of the eccentric wheel 31, the connecting rod 33 drives the placing rack 2 to reciprocatingly move horizontally in the base 1. The workers can also start the gas cylinder 7 by using the controller, so that the fixed frame 22 reciprocatingly moves longitudinally along the sliding seat 21.

[0034] By adjusting the position of the limiting part 4, the workers can accurately control the position of the fixed block 32 in the sliding groove, and then control the oscillation amplitude of the placing rack 2, so that the device can meet the demand of different experiments on mixing strength.

[0035] The above description of disclosed embodiments is sufficient to enable one of ordinary skill in the art to make or use the application. Modifications of these embodiments incorporating variations will be obvious to a person of ordinary skill in the art and are within the scope of the application defined by the appended claims. Using the general principles described herein, one of ordinary skill in the art can make or employ modifications in the application without departing from the scope of the application. Therefore, the application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A laboratory microbial culture medium mixing device, characterized in that: The device includes a base, a placement rack, a drive assembly, and a limiting component. The placement rack is mounted on the base and slidably connected to it. The drive assembly includes an eccentric wheel, a fixing block, a connecting rod, and a motor. The eccentric wheel is located on the outer side of the base and has a groove extending from the center of rotation to the outermost edge. The fixing block is located in the groove and slidably connected to the inner wall of the groove. The two ends of the connecting rod are rotatably connected to the placement rack and the fixing block, respectively. The motor drives the eccentric wheel to rotate, and the limiting component restricts the position of the fixing block in the groove.

2. The laboratory microbial culture medium mixing device according to claim 1, characterized in that: The eccentric wheel has multiple evenly distributed limiting holes, which are located on both sides of the slide groove and correspond to the slide groove. The limiting component is a limiting bolt, and the threaded end of the limiting bolt passes through the fixing block and is threadedly connected to the inner wall of the limiting hole.

3. The laboratory microbial culture medium mixing device according to claim 2, characterized in that: The number of limiting bolts is two, and the two limiting bolts are located on both sides of the fixing block.

4. The laboratory microbial culture medium mixing device according to claim 1, characterized in that: The placement rack includes a sliding seat, a fixed frame, fixed rods, a pressure plate, and fixed sleeves. The sliding seat is slidably connected to the base. The fixed frame is mounted on the sliding seat. The fixed frame has multiple evenly distributed placement slots that open towards the first side of the fixed frame. There are two fixed rods, which are respectively installed at both ends of the first side of the fixed frame. The pressure plate is located on the first side of the fixed frame, and its two ends are respectively sleeved on the fixed rods. There are two fixed sleeves, which are respectively sleeved on the two fixed rods and contact the outer side of the pressure plate. The fixed sleeves are threadedly connected to the fixed rods.

5. The laboratory microbial culture medium mixing device according to claim 4, characterized in that: An adjustment assembly is provided on the pressure plate. The adjustment assembly includes a clamping plate and an adjustment knob. The clamping plate is located between the fixed frame and the pressure plate. The knob end of the adjustment knob is located outside the pressure plate. The threaded end of the adjustment knob passes through the pressure plate and is fixedly connected to the clamping plate. The threaded end of the adjustment knob is threadedly connected to the pressure plate.

6. The laboratory microbial culture medium mixing device according to claim 5, characterized in that: Both the placement groove and the inner side of the pressing plate are provided with rubber pads.

7. The laboratory microbial culture medium mixing device according to claim 4, characterized in that: It also includes a cylinder for driving the fixed frame to reciprocate longitudinally along the sliding seat, the cylinder body of the cylinder being connected to the sliding seat, the piston rod of the cylinder being connected to the fixed frame, and the fixed frame being slidably connected to the sliding seat.

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