CN216322090U

CN216322090U - Test tube holder for it is biological experiments

Info

Publication number: CN216322090U
Application number: CN202122762924.3U
Authority: CN
Inventors: 衣晓欧; 王晶岩
Original assignee: Heilongjiang Economic Management Cadre College
Current assignee: Heilongjiang Economic Management Cadre College
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-19
Anticipated expiration: 2031-11-11

Abstract

A test tube support for biological experiments, the biological experiments field, includes: the test tube rack comprises a bottom plate, a plurality of support assemblies and a vibration device, wherein the support assemblies are fixed at the upper end of the bottom plate, and the vibration device is fixed at the lower end of the bottom plate. This device can be fixed simultaneously to the test tube of different model sizes, can also vibrate the sample in the test tube when fixed, can make the sample intensive mixing in the test tube for biological assay's efficiency.

Description

Test tube holder for it is biological experiments

Technical Field

The utility model belongs to the field of biological experiments, and particularly relates to a test tube bracket for biological experiments.

Background

The test tube is common experimental device in the biological assay, and current test tube holder simple structure can only carry out simple placing to the test tube, and current test tube holder can only fix the test tube of same size simultaneously, then need change other supports when fixing other size test tubes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provide a test tube holder for biological experiments.

The utility model adopts the following technical scheme that:

a tube holder for biological experiments, comprising: bottom plate, support assembly and oscillation device, the bottom plate upper end is fixed with the support assembly, the support assembly sets up to a plurality ofly, the bottom plate lower extreme is fixed with oscillation device, the support assembly includes: the base is fixed on the bottom plate, a trapezoidal groove is formed in the base along the length direction of the base, the first fixing plate is fixed at the upper end of the base, the guide pillar is vertically fixed at the upper end of the first fixing plate, the pressing plate is connected with the guide pillar in a sliding mode, the sealing plug is fixed at the lower end of the pressing plate, the lower end of the second fixing plate is trapezoidal and matched with the trapezoidal groove, the second fixing plate slides in the trapezoidal groove, one end of the screw rod penetrates the second fixing plate in a rotating mode and is connected with the side face of the trapezoidal groove in a rotating mode, the first spring is arranged on the guide pillar, and the first spring is arranged above the pressing plate.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a test tube bracket for a biological experiment, which can solve the problems that the existing test tube bracket has a simple structure, can only simply place test tubes and can only fix the test tubes of the same type, which are proposed in the background art. This device can be fixed simultaneously to the test tube of different model sizes, can also vibrate the sample in the test tube when fixed, can make the sample intensive mixing in the test tube for biological assay's efficiency.

Drawings

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

FIG. 2 is a schematic view of a bracket assembly construction;

FIG. 3 is a side view of the bracket assembly;

FIG. 4 is a top view of the bracket assembly.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

A tube holder for biological experiments, comprising: bottom plate 1, support assembly 2 and

oscillation device

3, 1 upper end of bottom plate is fixed with support assembly 2, support assembly 2 sets up to a plurality ofly, 1 lower extreme of bottom plate is fixed with oscillation device 3, support assembly 2 includes: the base 2-1, the screw rod 2-2, the first fixing plate 2-3, the guide post 2-4, the pressing plate 2-5, the sealing plug 2-6, the second fixing plate 2-7 and the first spring 2-8, the base 2-1 is fixed on the bottom plate 1, the trapezoidal groove is arranged on the base 2-1 along the length direction of the base, the first fixing plate 2-3 is fixed at the upper end of the base 2-1, the guide post 2-4 is vertically fixed at the upper end of the first fixing plate 2-3, the pressing plate 2-5 is connected with the guide post in a sliding manner, the sealing plug 2-6 is fixed at the lower end of the pressing plate 2-5, the lower end of the second fixing plate 2-7 is trapezoidal and matched with the trapezoidal groove, the second fixing plate 2-7 slides in the trapezoidal groove, one end of the screw rod 2-2 rotates to pass through the second fixing plate 2-7, and is rotatably connected with the side surface of the trapezoidal groove, a spring I2-8 is arranged on the guide post 2-4, and the spring I2-8 is arranged above the pressure plate 2-5.

The first fixing plate 2-3 and the second fixing plate 2-7 are both arc-shaped, and the first fixing plate 2-3 and the second fixing plate 2-7 are arranged oppositely.

The sealing plug 2-6 comprises a plurality of integrally formed pylons, the diameters of the pylons are sequentially increased from top to bottom, and the pylons positioned at the uppermost ends are fixed with the pressing plate 2-5.

The oscillation device 3 includes: the device comprises a first fixing frame 3-1, a second fixing frame 3-2, a first sliding column 3-3, a second spring 3-4, a second sliding column 3-5, a third spring 3-6, a motor frame 3-7, a motor 3-8 and a vibrating wheel 3-9, wherein the first sliding column 3-3 is provided with a plurality of sliding columns, the outer side surfaces of the first fixing frame 3-1 are respectively and fixedly connected with the first sliding columns 3-3 horizontally, the first sliding columns 3-3 slide through the two side walls of the first fixing frame 3-1, the second spring 3-4 is provided with a plurality of springs, each sliding column 3-3 is respectively sleeved with one second spring 3-4, each second spring 3-4 is arranged between the first fixing frame 3-1 and the second fixing frame 3-2, and the second sliding column 3-5 is vertically fixed on the second fixing frame 3-2, the three springs 3-6 are sleeved on the sliding columns 3-5, the number of the sliding columns 3-5 is two, the two sliding columns 3-5 are symmetrically arranged, the motor frame 3-7 is in sliding connection with the sliding columns 3-5, the motor 3-8 is fixedly connected with the motor frame 3-7, the upper ends of the motor frames 3-7 are fixedly connected with the bottom plate 1, and the vibrating wheels 3-9 are fixed on output shafts of the motors 3-8.

The working principle of the utility model is as follows:

the pressure plate 2-5 is pulled upwards to drive the sealing plug 2-6 to move and simultaneously compress the spring I2-8, then a test tube to be fixed is abutted against the fixing plate I2-3, the pressure plate 2-5 is loosened, the pressure plate 2-5 is driven to move downwards through the action of the spring I2-8, the sealing plug 2-6 is buckled on a test tube opening and can seal the test tube, the sealing plug 2-6 comprises a plurality of integrally formed column platforms, the diameters of the plurality of column platforms are sequentially increased from top to bottom, the column platforms with different diameters can seal test tubes with different diameters, then the screw rod 2-2 is rotated to drive the fixing plate II 2-7 to slide towards the fixing plate I2-3 along the trapezoid-shaped groove arranged on the base 2-1, and the test tube can be clamped by matching with the fixing plate I2-3 to realize the fixing of the test tube, a plurality of support assembly 2 sets up the test tube that can fix a plurality of different diameters simultaneously.

The device is connected with an external power supply, a motor 3-8 is electrified to drive a vibration wheel 3-9 to rotate, the vibration wheel 3-9 is arranged in a semicircular shape and can generate eccentric force when rotating to drive a motor frame 3-7 to move up and down and left and right, the motor frame 3-7 slides up and down along a sliding column II 3-5 when moving up and down, the sliding column II 3-5 plays a role in supporting the motor frame 3-7, a spring III 3-6 plays a role in buffering and resetting, the motor 3-8 rotates to drive a fixing frame II 3-2 to move left and right simultaneously, the fixing frame II 3-2 moves to drive a plurality of sliding column I3-3 to slide along the side wall of a fixing frame I3-1, the spring II 3-4 plays a role in resetting, the fixing frame II 3-2 and the motor frame 3-7 move to drive a plurality of support assemblies 2 at the upper end of a bottom plate 1 to shake, can vibrate the effect to fixed test tube.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a test tube holder for it is biological experiments which characterized in that: the method comprises the following steps: bottom plate (1), support assembly (2) and oscillation device (3), bottom plate (1) upper end is fixed with support assembly (2), support assembly (2) set up to a plurality ofly, bottom plate (1) lower extreme is fixed with oscillation device (3), support assembly (2) include: the base (2-1), the screw (2-2), the first fixing plate (2-3), the guide post (2-4), the pressing plate (2-5), the sealing plug (2-6), the second fixing plate (2-7) and the first spring (2-8), wherein the base (2-1) is fixed on the bottom plate (1), a trapezoidal groove is formed in the base (2-1) along the length direction of the base, the first fixing plate (2-3) is fixed at the upper end of the base (2-1), the guide post (2-4) is vertically fixed at the upper end of the first fixing plate (2-3), the pressing plate (2-5) is connected with the guide post in a sliding manner, the sealing plug (2-6) is fixed at the lower end of the pressing plate (2-5), the lower end of the second fixing plate (2-7) is trapezoidal and is matched with the trapezoidal groove, the second fixing plate (2-7) slides in the trapezoidal groove, one end of the screw rod (2-2) rotatably penetrates through the second fixing plate (2-7) and is rotatably connected with the side face of the trapezoidal groove, a first spring (2-8) is arranged on the guide pillar (2-4), and the first spring (2-8) is arranged above the pressing plate (2-5).

2. The holder for the test tube used in the biological experiment according to claim 1, wherein: the first fixing plate (2-3) and the second fixing plate (2-7) are both arc-shaped, and the first fixing plate (2-3) and the second fixing plate (2-7) are arranged oppositely.

3. The holder for the test tube used in the biological experiment according to claim 2, wherein: the sealing plug (2-6) comprises a plurality of integrally formed pylons, the diameters of the pylons are sequentially increased from top to bottom, and the pylons positioned at the uppermost ends are fixed with the pressing plate (2-5).

4. The holder for the test tube used in the biological experiment according to claim 3, wherein: the oscillating device (3) comprises: the device comprises a first fixing frame (3-1), a second fixing frame (3-2), a first sliding column (3-3), a second spring (3-4), a second sliding column (3-5), a third spring (3-6), a motor frame (3-7), a motor (3-8) and a vibrating wheel (3-9), wherein the number of the first sliding columns (3-3) is multiple, the outer side surfaces of the first fixing frame (3-1) are respectively and horizontally and fixedly connected with the first sliding columns (3-3), the first sliding columns (3-3) slide through the two side walls of the first fixing frame (3-1), the number of the second springs (3-4) is multiple, one spring (3-4) is sleeved on each sliding column (3-3), and the second spring (3-4) is arranged between the first fixing frame (3-1) and the second fixing frame (3-2), the sliding columns II (3-5) are vertically fixed on the fixed frame II (3-2), springs III (3-6) are sleeved on the sliding columns II (3-5), the number of the sliding columns II (3-5) is two, the sliding columns II (3-5) are symmetrically arranged, the motor frame (3-7) is in sliding connection with the sliding columns II (3-5), the motor (3-8) is fixedly connected with the motor frame (3-7), the upper ends of the motor frame (3-7) are fixedly connected with the base plate (1), and vibrating wheels (3-9) are fixed on output shafts of the motor (3-8).