Examination sample oscillation device

Abstract

The utility model discloses a test sample oscillation device which comprises an outer case and an inner container installed at the position of an opening in the top end of the outer case, the bottom end of the inner container is provided with a lower conical opening liquid collecting barrel communicated with the inner container, and an electric heating pipe is installed in the lower conical opening liquid collecting barrel. A temperature sensor used for detecting the internal temperature of the inner container is installed on one side of the bottom of the inner container, a back plate is fixed to the inner wall of one side of the inner container, and two symmetrical test tube racks are installed on the outer wall of one side of the back plate in a sliding mode. According to the utility model, the test tube is placed in a water bath, so that an experimenter can easily adjust the water temperature to reach the optimal reaction condition, liquid in the test tube is enabled to be oscillated at a uniform temperature, and the problem that the reaction efficiency is reduced or the experimental results are inconsistent due to non-uniform temperature is avoided; compared with a traditional vertical oscillation mode, the oscillation design in the horizontal direction can better adapt to different types of experiment requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to test tube auxiliary instrument technical field, concretely is a test sample oscillation device. BACKGROUND

[0002] The oscillation device for test tube test sample is widely used in multiple fields such as chemistry, biomedical science, cell culture. Its main function is to promote dissolution, mixing, homogenization and accelerate the occurrence of chemical or biological reaction by shaking or shaking sample container, especially in the experimental process, the oscillation device helps to improve reaction efficiency, save time and ensure the accuracy of experimental results, and the oscillation device is usually composed of motor, oscillation platform, oscillation mechanism, control panel and test tube clamp. The motor provides driving force, drives the oscillation platform to vibrate, and the oscillation mechanism realizes different types of oscillation mode, such as reciprocating oscillation and rotary oscillation. The control panel can adjust the frequency, amplitude and other parameters of oscillation to meet the needs of different experiments. The utility model discloses a kind of sample oscillation devices for testing department, including oscillation box and for testing department sample oscillation's driving motor, one side of oscillation box is connected with the fixed end screw of driving motor, the output shaft of driving motor is fixedly connected with the one end of rotating shaft and penetrates the side wall of oscillation box, the outer circumferential side of rotating shaft is sleeved with cam for reciprocating oscillation, cam movably connects the bottom end of test tube plate convenient for test tube access, the inner side wall of oscillation box is equipped with sliding groove convenient for sliding limit, and sliding groove is slidably connected with sliding block, driving motor is set, rotating shaft fixedly connected with the output shaft of driving motor is rotated, so that the cam of the outer circumferential side of rotating shaft is reciprocated, through the movable connection of cam and test tube plate, the oscillation in the vertical direction of test tube plate is completed. However, the above technical scheme generates vibration force to test tube in vertical direction in the use process, therefore, in order to ensure that test tube does not come out of test tube plate, it is also necessary to set clamping structure for stabilizing and preventing test tube from coming out in test tube plate. However, when the oscillation amplitude is large or the frequency is high, especially in the experimental process, if the oscillation device is unstable or accelerated rapidly, the test tube will be damaged due to insecure fixation, thereby affecting the experimental results and experimental safety. And in drug dissolution, cell culture, enzyme reaction and other experiments, the speed and effect of reaction are often closely related to temperature. Most of the existing oscillation devices only have oscillation function, which makes experimenters have to rely on external heating equipment (such as water bath, heating plate, etc.) when performing some experiments that require heating. This not only increases the complexity of the experiment, but also may cause uneven heating, affecting the accuracy of the experiment. UTILITY MODEL CONTENTS

[0003] The utility model discloses a purpose lies in providing a kind of test sample oscillation device, setting the inner container with water bath heating function in outer case, and the test tube to be oscillated is stably placed in test tube rack, is forced test tube rack, test tube to oscillate in horizontal direction by control panel, gear drive unit, connecting rod type reciprocating oscillation structure, to solve the problem presented in above background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of test sample oscillation device, including outer case and the inner container installed at the top opening position of outer case, and the bottom of the inner container is installed with the lower conical mouth liquid collecting barrel that is interconnected with inner container, the inside of the lower conical mouth liquid collecting barrel is installed with electric heating tube, the side of the bottom of the inner container is installed with temperature sensor for detecting the temperature inside the inner container, the side inner wall of the inner container is fixed with backplate, and the side outer wall of the backplate is slidably installed with two symmetrical test tube racks, test tube rack is used to accommodate test tube, the side outer wall of the backplate is provided with connecting rod type reciprocating oscillation structure for driving two test tube racks synchronous reciprocating sliding in horizontal direction, the back of the outer case is provided with gear drive unit for driving connecting rod type reciprocating oscillation structure work, the side outer wall of the outer case is installed with control panel, and the output end of control panel is electrically connected with the input end of gear drive unit and electric heating tube, and the output end of temperature sensor is electrically connected with the input end of control panel.

[0005] Preferably, the bottom of the inner container is fixed with a grating disc made of stainless steel material, the bottom of the test tube rack is slidably connected with the top of the grating disc, the electric heating tube is located below the grating disc, and the inner container is provided with a cover.

[0006] Preferably, the bottom of the lower conical mouth liquid collecting barrel is fixed with a drain pipe, and the end of the drain pipe away from the lower conical mouth liquid collecting barrel is installed with a switch valve.

[0007] Preferably, the connecting rod type reciprocating oscillation structure includes a rotating shaft rotatably installed on both sides of the backplate, a rotating disc fixed at one end of the rotating shaft, and a fish eye joint rod hingedly installed at one end of the surface of the rotating disc, and the end of the fish eye joint rod away from the rotating disc is hingedly connected with the side outer wall of the test tube rack.

[0008] Preferably, the gear drive unit includes a motor fixed on one side of the back of the outer case and two gear plates fixed at the same end of the rotating shaft, the two gear plates are meshed with each other, and the output shaft of the motor is fixedly connected with one end of the rotating shaft through a coupling.

[0009] Preferably, the back plate is fixed with a guide rail on the side outer wall of the test tube rack, the test tube rack is installed with a sliding table for sliding cooperation with the guide rail on the side outer wall, the test tube rack is composed of a U-shaped frame and a layer plate installed at one end inside the U-shaped frame, the inside of the layer plate is provided with a through hole for loading test tubes, and a rubber sleeve is installed at the through hole position of the top end of the layer plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are: the test sample oscillation device is provided with an inner container with water bath heating function in the outer case, and the test tube to be oscillated is stably placed in the test tube rack, the test tube rack and the test tube are forced to oscillate in the horizontal direction by the control panel, the gear driving unit and the connecting rod type reciprocating oscillation structure, wherein the experimenter can easily adjust the water temperature by placing the test tube in the water bath to achieve the best reaction condition, ensure that the liquid in the test tube oscillates at a uniform temperature, avoid the problem of reduced reaction efficiency or inconsistent experimental results caused by uneven temperature, secondly, compared with the traditional vertical oscillation mode, the horizontal oscillation design can better adapt to different types of experimental requirements, that is, the horizontal oscillation can effectively promote the mixing of the liquid, reduce the generation of bubbles, and better maintain the uniformity of the sample in the test tube, especially when dealing with larger volume of liquid or solid suspension, horizontal oscillation can more effectively prevent sedimentation and stratification, and horizontal oscillation can also reduce the collision between the test tube and the oscillation platform, reduce the risk of test tube breakage, and reduce the risk of experimental failure caused by improper operation. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model is a three-dimensional structure schematic diagram Figure 1 ;

[0012] Figure 2 The utility model is a side view structure schematic diagram

[0013] Figure 3 The utility model is a three-dimensional structure schematic diagram Figure 2 ;

[0014] Figure 4 The utility model is a three-dimensional structure schematic diagram

[0015] Figure 5 The utility model is a three-dimensional structure schematic diagram Figure 3 ;

[0016] Figure 6 The utility model is a connecting rod type reciprocating oscillation structure three-dimensional structure schematic diagram.

[0017] In the figure: 1, the outer case; 101, the box cover; 2, the control panel; 3, the inner container; 4, the grid disc; 5, the back plate; 6, the test tube rack; 7, the connecting rod type reciprocating oscillation structure; 701, the rotating shaft; 702, the rotating disc; 703, the fish eye joint rod; 8, the gear drive unit; 801, the motor; 802, the gear disc; 9, the lower conical outlet liquid collecting barrel; 901, the liquid discharge pipe; 902, the on-off valve; 10, the electric heating tube; 11, the temperature sensor. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0019] Please refer to Figures 1-5 An embodiment provided by the utility model: a test sample oscillation device, comprising an outer case 1 and an inner container 3 installed at the top opening position of the outer case 1, and the bottom end of the inner container 3 is installed with a lower conical outlet liquid collecting barrel 9 in communication with the inner container 3, the inside of the lower conical outlet liquid collecting barrel 9 is installed with an electric heating tube 10, one side of the bottom of the inner container 3 is installed with a temperature sensor 11 for detecting the temperature inside the inner container 3, one side of the inner wall of the inner container 3 is fixed with a back plate 5, and two symmetrical test tube racks 6 are slidingly installed on one side of the outer wall of the back plate 5, the test tube racks 6 are used for accommodating test tubes, a connecting rod type reciprocating oscillation structure 7 for driving the two test tube racks 6 to synchronously reciprocate in the horizontal direction is arranged on one side of the outer wall of the back plate 5, a gear drive unit 8 for driving the connecting rod type reciprocating oscillation structure 7 to work is arranged on the back of the outer case 1, a control panel 2 is installed on one side of the outer wall of the outer case 1, the output end of the control panel 2 is electrically connected with the input end of the gear drive unit 8 and the electric heating tube 10, and the output end of the temperature sensor 11 is electrically connected with the input end of the control panel 2.

[0020] The bottom end of the inner container 3 is fixed with a grid disc 4, the grid disc 4 is made of a component of stainless steel material, the bottom end of the test tube rack 6 and the top end of the grid disc 4 are slidingly matched, the electric heating tube 10 is located below the grid disc 4, the inner container 3 is provided with a box cover 101, the grid disc 4 is used for supporting the bottom end of the test tube rack 6 and assisting the test tube rack 6 and the test tube to reciprocate in the horizontal direction, and the grid disc 4 is used for the hot water in the inner container 3 and the lower conical outlet liquid collecting barrel 9 to contact the test tube rack 6 and the test tube.

[0021] The bottom end of the lower conical collecting tank 9 is fixed with a liquid discharge pipe 901, and the end of the liquid discharge pipe 901 away from the lower conical collecting tank 9 is installed with an on-off valve 902. After heating is completed, the staff can open the on-off valve 902 to discharge the water in the inner container 3 and the lower conical collecting tank 9, so as to achieve the purpose of timely cleaning and maintaining the equipment. The electric heating pipe 10 is located in the lower conical collecting tank 9 and is not directly close to the test tube rack 6, so as to avoid that the heating is too high and affects the test tube oscillation.

[0022] The back plate 5 is fixed with a guide rail on the outer wall of the side close to the test tube rack 6. The test tube rack 6 is installed with a sliding table for sliding cooperation with the guide rail on the outer wall of one side. The test tube rack 6 is composed of a U-shaped frame and a layer plate installed at one end inside the U-shaped frame. The inside of the layer plate is provided with a through hole for accommodating the test tube. The through hole at the top end of the layer plate is installed with a rubber sleeve. The bottom end of the U-shaped frame is provided with a lower recess concentric with the through hole.

[0023] In the embodiment two, on the basis of the embodiment one, Figure 5 and Figure 6 The connecting rod type reciprocating oscillation structure 7 includes a rotating shaft 701 rotatably installed at both sides inside the back plate 5, a rotating disc 702 fixed at one end of the rotating shaft 701, and a fish eye joint rod 703 hingedly installed at one end on the surface of the rotating disc 702. The end of the fish eye joint rod 703 away from the rotating disc 702 is hingedly connected with the outer wall of one side of the test tube rack 6. The gear driving unit 8 includes a motor 801 fixed on one side of the back of the outer cabinet 1 and gear plates 802 fixed at the same end of the two rotating shafts 701. The two gear plates 802 are meshed with each other. The output shaft of the motor 801 is fixedly connected with one end of one of the rotating shafts 701 through a shaft coupling.

[0024] When the gear driving unit 8 works, the control panel 2 controls the motor 801 to work in the set direction, speed, angle, and response time. Then the motor 801 drives the rotating shafts 701 in the two connecting rod type reciprocating oscillation structures 7 to rotate together through the gear plates 802. Then the rotating shafts 701 drive the rotating discs 702 to rotate, and the rotating discs 702 drive the test tube racks 6 and the test tubes to move horizontally and reciprocally through the fish eye joint rods 703. The horizontal oscillation mode can effectively avoid the formation of bubbles and reduce the stratification and precipitation of the sample, so as to ensure that the substances in the test tube remain uniform. At the same time, the two test tube racks 6 oscillate synchronously, which can effectively accommodate more test tube samples to be oscillated at the same time.

[0025] In use, the present application first checks whether the outer case 1, inner container 3 and grid plate 4 are clean, free of dust and corrosion; then checks whether the electric heating pipe 10 is normal, to ensure that the heating component can work stably; then confirms the connection and function of the temperature sensor 11 with the control panel 2, to prevent temperature control failure, and finally checks whether the control panel 2, gear drive unit 8 and lower conical liquid collecting bucket 9 are complete, to ensure that the oscillation movement is not disturbed; then the staff prepares test tubes and samples in them according to experimental requirements. It should be noted that the volume of liquid or solid suspension in the test tube should be suitable for the capacity of the shaking device, and should not exceed the carrying capacity of the test tube rack 6, and the test tube sample must be stably placed in the test tube rack 6 to ensure that it does not tilt or overturn during shaking, and to ensure that the test tube opening is well sealed to prevent sample leakage or overflow during shaking; once the equipment inspection is completed, the staff starts to set the temperature and shaking parameters on the control panel 2, that is, by heating the water in the inner container 3 and the lower conical liquid collecting bucket 9 through the electric heating pipe 10, adjusting the temperature of the water bath to ensure that the sample in the test tube is in a suitable reaction environment, such as an enzymatic reaction, the staff can choose thirty-seven degrees Celsius as the target temperature, and at the same time through the control panel 2, the staff can set the speed and working time of the gear drive unit 8, by selecting an appropriate shaking frequency and shaking time, to ensure that the sample can be fully shaken and mixed; after the device is set, the electric heating pipe 10 starts to heat the water in the inner container 3, the water bath temperature is monitored in real time by the temperature sensor 11 and fed back to the control panel 2, and the gear drive unit 8 drives the connecting rod type reciprocating shaking structure 7 to work, the connecting rod type reciprocating shaking structure 7 drives the test tube rack and test tube to oscillate horizontally through reciprocating motion, so that the sample in the test tube is uniformly mixed, the horizontal shaking mode can effectively avoid the formation of bubbles, and can reduce the stratification and sedimentation of the sample, to ensure that the substances in the test tube remain uniform, after the shaking operation is completed, the staff needs to stop the equipment running, and take out the test tube samples in the test tube rack 6 one by one.

Claims

1. A sample shock inspection apparatus, comprising: The utility model provides a laboratory incubator, including outer casing (1) and the inner container (3) of the installation of outer casing (1) top end opening position, and the bottom of inner container (3) is installed and is communicated with inner container (3) lower conical head liquid collecting tank (9), the inside of lower conical head liquid collecting tank (9) is installed with electric heating tube (10), one side of the bottom of inner container (3) is installed with temperature sensor (11) for detecting the temperature inside inner container (3), the one side outer wall of inner container (3) is fixed with backboard (5), and the one side outer wall of backboard (5) is slidably installed with two symmetrical test tube rack (6), and test tube rack (6) is used to accommodate test tube, the one side outer wall of backboard (5) is provided with the connecting rod type reciprocating oscillation structure (7) for driving two test tube rack (6) synchronous reciprocating sliding in horizontal direction, the back of outer casing (1) is provided with gear drive unit (8) for driving the work of connecting rod type reciprocating oscillation structure (7), one side outer wall of outer casing (1) is installed with control panel (2), and the output of control panel (2) is electrically connected with the input of gear drive unit (8), electric heating tube (10), and the output of temperature sensor (11) is electrically connected with the input of control panel (2).

2. A sample vibration testing device according to claim 1, wherein: The bottom of the inner container (3) is fixed with a grid disc (4), the grid disc (4) is made of stainless steel material, the bottom of the test tube rack (6) is slidably connected with the top of the grid disc (4), and the electric heating tube (10) is located below the grid disc (4). The inner container (3) is provided with a cover (101).

3. The sample vibration testing device of claim 1, wherein: The bottom of the lower conical head liquid collecting tank (9) is fixed with a drain pipe (901), and the end of the drain pipe (901) away from the lower conical head liquid collecting tank (9) is provided with a switch valve (902).

4. The sample vibration testing device of claim 2, wherein: The connecting rod type reciprocating oscillation structure (7) comprises a rotating shaft (701) rotatably installed on both sides of the inner portion of the backboard (5), a rotating disc (702) fixed at one end of the rotating shaft (701), and a fish eye joint rod (703) hingedly installed at one end of the surface of the rotating disc (702). One end of the fish eye joint rod (703) away from the rotating disc (702) is hingedly connected with one side of the outer wall of the test tube rack (6).

5. A sample vibration testing device according to claim 4, wherein: The gear drive unit (8) comprises a motor (801) fixed on one side of the back of the outer casing (1) and two gear discs (802) fixed at the same end of the rotating shaft (701). The two gear discs (802) are meshed with each other, and the output shaft of the motor (801) is fixedly connected with one end of the rotating shaft (701) through a shaft coupling.

6. The sample vibration testing device of claim 1, wherein: The backboard (5) is fixed with a guide rail on one side of the outer wall close to the test tube rack (6). The test tube rack (6) is provided with a sliding table slidably connected with the guide rail on one side of the outer wall. The test tube rack (6) is composed of a U-shaped frame and a layer plate installed at one end of the inner portion of the U-shaped frame. The inner portion of the layer plate is provided with a through hole for accommodating a test tube. A rubber sleeve is installed at the through hole position of the top end of the layer plate. The bottom end of the U-shaped frame is provided with a lower recess concentric with the through hole.

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