Homogenizing device

Abstract

The utility model relates to the technical field of microbiological inspection, and discloses a homogenate device which is characterized in that a groove is formed in a barrel cover in a penetrating manner, a clamping mechanism is mounted below a guide groove, a supporting rod is further fixedly connected to the top of a base, a limiting groove is formed in the front surface of the supporting rod, and a telescopic mechanism is mounted on the supporting rod; the telescopic mechanism comprises a first motor, a gear and a rack, the gear is fixedly connected to the driving end of the first motor, the rack is meshed with the gear, an adjusting plate is fixedly connected to the rack, a transverse plate is vertically and fixedly connected to the adjusting plate, a second motor is fixedly connected to one end of the transverse plate, and a rotating rod is fixedly connected to the driving end of the second motor. The telescopic mechanism can drive the rotating rod to move up and down, so that samples in the liquid storage barrel are homogenized more sufficiently and uniformly, compared with a traditional fixed homogenizing mode, the rotating rod can be adjusted up and down during rotation, samples at different heights can be homogenized conveniently, and the homogenizing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of microbiological testing, in particular to a homogenizing device. Background Art

[0002] In the work of disease control and prevention, bacterial testing is often required. When doing quantitative testing, the solid preparation sample must first be made into a homogenate and then tested to obtain accurate results.

[0003] A Chinese patent discloses a homogenizing device for microbial testing (authorization announcement number CN213739435U), which avoids the problem of the stirred liquid splashing out through the gap in the cover plate during stirring by setting up a sealing mechanism. The rubber ring plays a sealing role, and the sealing plate can be removed separately for cleaning to facilitate the next use. However, combined with the description content of the above document and its specification drawings, it can be learned that: when the homogenization is normal, the rubber ring contacts and seals the top of the liquid storage barrel, and the rotating rod at this time can only rotate in place and is difficult to move up and down, thereby failing to make the homogenization more uniform. Utility Model Content

[0004] The purpose of the utility model is to provide a homogenizing device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a homogenizing device, comprising a base, the four bottom corners of the base are fixedly connected with supporting legs, and the base is provided with a guide groove running through the inside, a liquid storage barrel is installed above the guide groove, the top of the liquid storage barrel is covered with a barrel cover, the inside of the barrel cover is provided with a groove, a clamping mechanism is installed below the guide groove, a support rod is also fixedly connected to the top of the base, a limiting groove is provided on the front surface of the support rod, a telescopic mechanism is installed on the support rod, the telescopic mechanism comprises a first motor, a gear and a rack, a gear is fixedly connected to the driving end of the first motor, a rack is meshed on the gear, an adjusting plate is fixedly connected to the rack, a horizontal plate is vertically fixedly connected to the adjusting plate, a second motor is fixedly connected to one end of the horizontal plate, and a rotating rod is fixedly connected to the driving end of the second motor.

[0006] Optionally, the center point of the rotating rod and the center point of the groove are on the same vertical line, and the diameter of the groove is larger than the diameter of the rotating rod.

[0007] Optionally, the first motor is fixedly connected to the support rod, the adjustment plate is slidably connected to the inside of the support rod, the rack is slidably connected to the inside of the limiting groove, and the rack extends to the front side of the support rod.

[0008] Optionally, the clamping mechanism includes a first baffle, a second baffle and a third motor, the first baffle and the second baffle are fixedly connected to the bottom of the base, the third motor is fixedly connected to the front surface of the first baffle, the driving end of the third motor passes through the first baffle and is fixedly connected to a bidirectional screw, the external threaded sleeve of the bidirectional screw is provided with a first guide block and a second guide block, the top of the first guide block is fixedly connected to a first clamping plate, and the top of the second guide block is fixedly connected to a second clamping plate.

[0009] Optionally, the first guide block and the second guide block are both slidably connected inside the guide groove, and both the first guide block and the second guide block are “T”-shaped structures.

[0010] Optionally, the first clamping plate and the second clamping plate are respectively engaged at the front and rear sides of the liquid storage barrel, and semicircular clamping grooves are provided inside the first clamping plate and the second clamping plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The telescopic mechanism can drive the rotating rod to move up and down, so that the sample in the liquid storage barrel can be homogenized more fully and evenly. Compared with the traditional fixed homogenization method, the rotating rod can be adjusted up and down when rotating, which is convenient for homogenizing samples at different heights and improves the homogenization effect.

[0013] 2. The clamping mechanism can clamp the liquid storage barrel, making it less susceptible to external forces during use, causing problems such as shaking and tipping, preventing internal samples from spilling and contaminating the surrounding area, and increasing the stability of the liquid storage barrel during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of a homogenizing device of the utility model;

[0015] Figure 2 This is a bottom view of a homogenizing device of the utility model;

[0016] Figure 3 It is a cross-sectional view of a liquid storage barrel and a barrel cover in a homogenizing device of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of a support rod in a homogenizing device of the utility model;

[0018] Figure 5 This is a structural schematic diagram of a telescopic mechanism in a homogenizing device of the utility model;

[0019] Figure 6 The utility model is a schematic diagram of the structure of a clamping mechanism in a homogenizing device.

[0020] In the figure: 1. base; 11. supporting leg; 12. guide groove; 2. liquid storage barrel; 21. barrel cover; 22. groove; 3. clamping mechanism; 31. first baffle; 32. second baffle; 33. third motor; 34. bidirectional screw; 35. first guide block; 36. second guide block; 37. first clamping plate; 38. second clamping plate; 4. supporting rod; 41. limiting groove; 5. telescopic mechanism; 51. first motor; 52. gear; 53. rack; 54. adjusting plate; 55. horizontal plate; 56. second motor; 57. rotating rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 6 The utility model provides a homogenizing device, including a base 1, four corners of the bottom of the base 1 are fixedly connected with supporting legs 11, and the base 1 is penetrated with a guide groove 12 inside, a liquid storage barrel 2 is installed above the guide groove 12, the top of the liquid storage barrel 2 is covered with a barrel cover 21, the barrel cover 21 is penetrated with a groove 22 inside, and a clamping mechanism 3 is installed below the guide groove 12, the clamping mechanism 3 includes a first baffle 31, a second baffle 32 and a third motor 33, the bottom of the base 1 is fixedly connected with the first baffle 31 and the second baffle 32, the front surface of the first baffle 31 is fixedly connected with the third motor 33, the driving end of the third motor 33 penetrates the first baffle 31 and is fixedly connected with a bidirectional screw 34, and the external thread sleeve of the bidirectional screw 34 is provided with a first guide The guide block 35 and the second guide block 36, the top of the first guide block 35 is fixedly connected with a first clamping plate 37, the top of the second guide block 36 is fixedly connected with a second clamping plate 38, the first guide block 35 and the second guide block 36 are both slidably connected to the inside of the guide groove 12, and the first guide block 35 and the second guide block 36 are both "T"-shaped structures, the first clamping plate 37 and the second clamping plate 38 are respectively engaged at the front and rear sides of the liquid storage barrel 2, and the first clamping plate 37 and the second clamping plate 38 are both provided with semicircular clamping grooves inside, the clamping mechanism 3 can clamp the liquid storage barrel 2, so that it is not easily affected by external forces during use to cause problems such as shaking and tipping, and prevent the internal sample from spilling and contaminating the surrounding area, thereby increasing the stability of the liquid storage barrel 2 during use.

[0023] A support rod 4 is also fixedly connected to the top of the base 1. A limit groove 41 is provided on the front surface of the support rod 4. A telescopic mechanism 5 is installed on the support rod 4. The telescopic mechanism 5 includes a first motor 51, a gear 52 and a rack 53. A gear 52 is fixedly connected to the driving end of the first motor 51. A rack 53 is meshed on the gear 52. An adjustment plate 54 is fixedly connected to the rack 53. A horizontal plate 55 is vertically fixedly connected to the adjustment plate 54. A second motor 56 is fixedly connected to one end of the horizontal plate 55. A rotating rod 57 is fixedly connected to the driving end of the second motor 56. The center point of the rotating rod 57 and the center point of the groove 22 are at On the same vertical line, the diameter of the groove 22 is larger than the diameter of the rotating rod 57, the first motor 51 is fixedly connected to the support rod 4, the adjustment plate 54 is slidably connected to the inside of the support rod 4, the rack 53 is slidably connected to the inside of the limit groove 41, and the rack 53 extends to the front side of the support rod 4, the telescopic mechanism 5 can drive the rotating rotating rod 57 to move up and down, so that the sample in the liquid storage barrel 2 can be homogenized more fully and evenly. Compared with the traditional fixed homogenization method, the rotating rod 57 can be adjusted up and down when rotating, which is convenient for homogenizing samples at different heights and improves the homogenization effect.

[0024] The first motor 51 and the third motor 33 are both servo motors, and the models of the first motor 51 and the third motor 33 are both ACSM110-G04030LZ. The second motor 56 is a DC motor, and the model of the second motor 56 is YE2.

[0025] Working principle: When using the device, the liquid storage barrel 2 is placed between the first clamping plate 37 and the second clamping plate 38. At this time, the third motor 33 is controlled to work. When the third motor 33 rotates forward, it can drive the bidirectional screw 34 to rotate forward, and then drive the first guide block 35 and the second guide block 36 to move relative to each other. After the first guide block 35 and the second guide block 36 move relative to each other, they can drive the first clamping plate 37 and the second clamping plate 38 to move relative to each other, thereby clamping the liquid storage barrel 2. Then, the barrel cover 21 is pulled upward, and the sample is poured into the liquid storage barrel 2. Then, the barrel cover 21 is buckled on the top of the liquid storage barrel 2 to seal the top of the liquid storage barrel 2. At this time, the first The motor 51 and the second motor 56, when the first motor 51 rotates forwards and backwards, it can drive the gear 52 to rotate forwards and backwards. Since the gear 52 and the rack 53 are meshed, the rack 53 and the adjustment plate 54 can be driven to move up and down, thereby driving the cross plate 55, the second motor 56 and the rotating rod 57 to move up and down. After the second motor 56 rotates, it can drive the rotating rod 57 to rotate. At this time, the rotating rod 57 can be driven to move up and down through the meshing action of the gear 52 and the rack 53. At this time, the rotating rod 57 can move up and down in the liquid storage barrel 2 through the groove 22, thereby homogenizing the sample in the liquid storage barrel 2, thereby improving the homogenization effect.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A homogenizing device, comprising a base (1), characterized in that: The four corners at the bottom of the base (1) are all fixedly connected to support legs (11), and a guide groove (12) is formed inside the base (1), a liquid storage barrel (2) is installed above the guide groove (12), a barrel cover (21) is closed on the top of the liquid storage barrel (2), a groove (22) is formed inside the barrel cover (21), a clamping mechanism (3) is installed below the guide groove (12), and a support rod (4) is also fixedly connected to the top of the base (1), and a limiting groove (41) is formed on the front surface of the support rod (4). A telescopic mechanism (5) is mounted on the rod (4), the telescopic mechanism (5) comprising a first motor (51), a gear (52) and a rack (53), the gear (52) being fixedly connected to the driving end of the first motor (51), the gear (52) being meshed with the rack (53), an adjustment plate (54) being fixedly connected to the rack (53), a horizontal plate (55) being vertically fixedly connected to the adjustment plate (54), a second motor (56) being fixedly connected to one end of the horizontal plate (55), and a rotating rod (57) being fixedly connected to the driving end of the second motor (56).

2. A homogenizing device according to claim 1, characterized in that: The center point of the rotating rod (57) and the center point of the groove (22) are located on the same vertical line, and the diameter of the groove (22) is greater than the diameter of the rotating rod (57).

3. A homogenizing device according to claim 1, characterized in that: The first motor (51) is fixedly connected to the support rod (4), the adjustment plate (54) is slidably connected inside the support rod (4), the rack (53) is slidably connected inside the limiting groove (41), and the rack (53) extends to the front side of the support rod (4).

4. A homogenizing device according to claim 1, characterized in that: The clamping mechanism (3) comprises a first baffle (31), a second baffle (32) and a third motor (33); the first baffle (31) and the second baffle (32) are fixedly connected to the bottom of the base (1); the third motor (33) is fixedly connected to the front surface of the first baffle (31); the driving end of the third motor (33) passes through the first baffle (31) and is fixedly connected to a bidirectional screw (34); the external thread sleeve of the bidirectional screw (34) is provided with a first guide block (35) and a second guide block (36); the top of the first guide block (35) is fixedly connected to a first clamping plate (37); the top of the second guide block (36) is fixedly connected to a second clamping plate (38).

5. A homogenizing device according to claim 4, characterized in that: The first guide block (35) and the second guide block (36) are both slidably connected inside the guide groove (12), and the first guide block (35) and the second guide block (36) are both "T"-shaped structures.

6. A homogenizing device according to claim 4, characterized in that: The first clamping plate (37) and the second clamping plate (38) are respectively clamped at the front and rear sides of the liquid storage barrel (2), and semicircular clamping grooves are provided inside the first clamping plate (37) and the second clamping plate (38).

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