Test tube cell beating device

Abstract

The utility model discloses a test tube cell beating device which comprises a base, a positioning spiral disc is rotatably mounted on the inner side of the base, a spiral protrusion is arranged at the upper end of the positioning spiral disc, positioning blocks are slidably mounted at the upper end of the base, a plurality of grooves are formed in the bottoms of the positioning blocks, the grooves are sequentially meshed with the spiral protrusion, and the number of the positioning blocks is three. A positioning motor is fixedly installed on the base, the output end of the positioning motor is fixedly connected to a positioning screw disc, a positioning rod is slidably installed on the positioning block, a positioning switch is fixedly installed on the positioning block, the positioning rod is fixedly connected with the triggering position of the positioning switch, a probe support is fixedly installed on the base, and an amplitude-change pole is slidably installed on the probe support. And the amplitude-change pole is coaxial with the base. The three positioning blocks slide synchronously, so that the three positioning rods support a test tube, the test tube is kept in the center of the base, the amplitude-change pole is located at a good working position, and the crushing efficiency of the amplitude-change pole is improved conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cell crushing device technical field relates to a test tube cell hammering device. BACKGROUND

[0002] The test tube cell hammering device is a device for crushing cells, which usually uses an ultrasonic probe to penetrate into the cell liquid and generates cavitation effect by high-frequency acoustic oscillation to crush the cells. However, the existing device cannot well control the position of the cell liquid container such as a test tube when in use, so that the ultrasonic probe cannot be in a good working position, affecting the crushing efficiency of the ultrasonic wave. UTILITY MODEL CONTENTS

[0003] In view of the above problems, the utility model provides a test tube cell hammering device, which well solves the problems in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A test tube cell hammering device comprises:

[0006] A base, which is in a cylindrical box shape;

[0007] A positioning screw disc, which is rotatably installed on the inner side of the base and is provided with a spiral protrusion on the upper end;

[0008] A positioning block, which is slidably installed on the upper end of the base and is provided with a plurality of grooves in the bottom, the grooves are sequentially engaged with the spiral protrusion, and the positioning block is arranged in a circular array with three blocks;

[0009] A positioning motor, which is fixedly installed on the base and is fixedly connected with the output end of the positioning motor;

[0010] A positioning rod, which is slidably installed on the positioning block and vertically passes through the axis of the base in the sliding direction, and one end of the positioning rod close to the axis of the base is fixedly connected with a soft pad;

[0011] A positioning switch, which is fixedly installed on the positioning block and is fixedly connected with the other end of the positioning rod away from the axis of the base at the trigger position;

[0012] A probe support, which is fixedly connected with the base;

[0013] An amplitude-changing rod, which is slidably installed on the probe support, is coaxial with the base, and the probe support is provided with a fixing member for fixing the position of the amplitude-changing rod;

[0014] A data module is in signal connection with the amplitude lever, the positioning motor and the positioning switch.

[0015] Optionally, the positioning switch is arranged on only one of the positioning blocks, and a profiled spring is fixedly arranged on the upper end of the other positioning blocks, and the elastic force and the stroke of the profiled spring are same with the triggering position of the positioning switch.

[0016] Optionally, a tapered tube placing groove is arranged in the center of the upper end of the base.

[0017] Optionally, a starting switch is arranged in the base, and the starting switch is used for starting the positioning motor.

[0018] Optionally, the starting switch is a laser sensor, and the laser signal input end and the emitting end of the starting switch are located at two ends of one diameter of the base respectively.

[0019] Optionally, the soft pad is a rubber wheel, and the soft pad is rotatably arranged on the positioning rod, and the rotating direction of the soft pad is parallel to the axis of the base.

[0020] Optionally, a sliding block is slidably arranged on the probe support, the fixing member is arranged on the sliding block, the amplitude lever is fixedly arranged on the sliding block, and the probe support is provided with a scale.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. The three positioning blocks are synchronously arranged, the three positioning rods support the test tube, the test tube is kept in the center of the base, the positioning blocks are automatically stopped through the arrangement of the positioning rods and the positioning switch, the convenience of positioning is improved, the amplitude lever is located in the center of the test tube, the amplitude lever is in a better working position, and the crushing efficiency of the amplitude lever is improved.

[0023] 2. The starting switch is a laser sensor and the rubber wheel soft pad 411 can rotate, and the automation degree of the equipment is improved. DRAWINGS

[0024] Figure 1 is the overall structure schematic view of the utility model embodiment;

[0025] Figure 2 is the structure schematic view of the base part of the utility model embodiment.

[0026] Signs: 1, base; 101, cylindrical bottom disc; 102, supporting ring; 103, cylindrical upper cover; 11, tapered tube placing groove; 12, starting switch;

[0027] 2, positioning screw disc; 21, spiral protrusion; 22, groove;

[0028] 3. The positioning block;

[0029] 41. The positioning rod; 411. The soft pad; 42. The positioning switch; 421. The profiling spring;

[0030] 5. The probe support; 51. The sliding block;

[0031] 6. The amplitude rod; 61. The fixing piece;

[0032] 7. The data module. DETAILED DESCRIPTION

[0033] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] Please refer to Figure 1 With Figure 2 A test tube cell beating device is disclosed in the embodiments of the utility model, which comprises a base 1, the base 1 is in a cylindrical box shape, a positioning screw disc 2 is rotatably installed on the inner side of the base 1, a spiral protrusion 21 is arranged on the upper end of the positioning screw disc 2, a positioning block 3 is slidably installed on the upper end of the base 1, a plurality of grooves 22 are formed in the bottom of the positioning block 3, the grooves 22 and the spiral protrusion 21 are sequentially engaged, there are three positioning blocks 3 arranged in a circumferential array, the base 1 is fixedly installed with a positioning motor, the output end of the positioning motor is fixedly connected to the positioning screw disc 2, the positioning block 3 is slidably installed with a positioning rod 41, the sliding direction of the positioning rod 41 is perpendicular to the axis of the base 1, a soft pad 411 is fixedly connected to the end of the positioning rod 41 close to the axis of the base 1, the positioning block 3 is fixedly installed with a positioning switch 42, the end of the positioning rod 41 away from the axis of the base 1 is fixedly connected to the triggering position of the positioning switch 42, the base 1 is fixedly installed with a probe support 5, the probe support 5 is slidably installed with an amplitude rod 6, the amplitude rod 6 is coaxial with the base 1, the probe support 5 is installed with a fixing piece 61 for fixing the position of the amplitude rod 6, and further comprises a data module 7, the data module 7 is electrically connected with the amplitude rod 6, the positioning motor and the positioning switch 42.

[0035] Specifically, the positioning screw disc 2 is arranged below the amplitude rod 6, the spiral protrusion 21 is arranged on the upper end of the positioning screw disc 2, the grooves 22 of the positioning block 3 are matched with the spiral protrusion 21, when the positioning screw disc 2 rotates, the grooves 22 of the positioning block 3 relatively rotate along the spiral protrusion 21, so that the three positioning blocks 3 synchronously slide, when the soft pad 411 abuts against the wall of the test tube, the positioning rod 41 relatively slides with the positioning block 3, the positioning rod 41 triggers the positioning switch 42, so that the positioning block 3 stops sliding.

[0036] Thus, by setting the synchronous sliding of the three positioning blocks 3, the three positioning rods 41 support the test tube and keep it in the center of the base 1, and by setting the positioning rods 41 and the positioning switch 42, the positioning block 3 is automatically stopped, improving the convenience of positioning, and thus the amplitude rod 6 is located in the center of the test tube, and the amplitude rod 6 is in a better working position, which facilitates the improvement of the crushing efficiency of the amplitude rod 6.

[0037] In some possible manners, the base 1 comprises a cylindrical bottom disc 101 and a cylindrical upper cover 103, the cylindrical bottom disc 101 is fixedly installed with a positioning motor at the middle of the upper end, the cylindrical bottom disc 101 is fixedly provided with a support ring 102 at the upper end, the positioning screw disc 2 is rotatably placed on the support ring 102 and is fixedly connected with the output end of the positioning motor, the cylindrical upper cover 103 is invertedly buckled above the cylindrical bottom disc 101, the outer sides of the cylindrical bottom disc 101 and the cylindrical upper cover 103 are fixedly connected with fixing rings, the two fixing rings are bolted, the positioning block 3 is a rectangular block, a rectangular hole is formed in the upper end of the cylindrical upper cover 103, the positioning block 3 is slidably arranged in the rectangular hole, in order to facilitate the fixation of the positioning block 3, a sliding groove is formed in the two sides of the positioning block 3, the side wall of the rectangular hole is slidably inserted into the sliding groove, the spiral protrusion 21 is equidistant spiral, the groove 22 is an arc-shaped groove matched with the spiral protrusion 21, when the spiral protrusion 21 is driven to rotate by the positioning motor, the groove 22 drives the positioning block 3 to slide;

[0038] The positioning rod 41 is a cylindrical rod, the upper end of the positioning block 3 is provided with a rectangular block, the positioning rod 41 penetrates through the rectangular block, the positioning switch 42 is a button switch, and the positioning rod 41 is fixedly connected with the button, when the positioning rod 41 presses the positioning switch 42, the positioning motor stops running;

[0039] Please refer to Figure 1 , the probe support 5 is a rod-shaped, used for supporting the amplitude rod 6, in order to facilitate the installation, the probe support 5 is slidably provided with a sliding block 51, the amplitude rod 6 is fixedly installed on the sliding block 51, in order to facilitate the position keeping of the amplitude rod 6, the sliding block 51 is slidably connected with the probe support 5, the fixing member 61 can be selected as a screw, the fixing member 61 is threadedly connected with the sliding block 51, penetrates through the sliding block 51 and abuts against the probe support 5, in order to control the length of the amplitude rod 6 extending into the cell liquid, a scale is arranged on the outer side of the probe support 5;

[0040] The data module 7 is a control module, used for controlling the running and parameter adjustment of the amplitude rod 6 and the positioning motor, and stopping the positioning motor through the electrical signal of the positioning switch 42, and reversing and resetting the positioning motor when the positioning motor is started again.

[0041] As a specific embodiment of the test tube cell crushing device provided in the application, please refer to Figure 2The positioning switch 42 is arranged on only one positioning block 3, and a profile spring 421 is fixedly arranged on the upper end of the other positioning block 3, and the elastic force and stroke of the profile spring 421 and the triggering position of the positioning switch 42 are the same.

[0042] Overall, the positioning switch 42 is used to feed back an electric signal to the data module 7, so that the positioning motor is stopped, the three positioning rods 41 are synchronously moved, by arranging one positioning switch 42, the signal interference is reduced, and by arranging the profile spring 421, the elastic forces of the other two positions are the same as that of the positioning switch 42, the influence on supporting the test tube is reduced, the elastic forces in each direction are the same, and then the test tube is favorably located at the center position.

[0043] In some possible manners, the profile spring 421 is a positioning switch 42 without circuit connection.

[0044] As another specific embodiment of the test tube cell beating device provided in the application, a tapered test tube placing groove 11 is arranged at the center of the upper end of the base 1.

[0045] In combination with a specific use scene, the bottom of the test tube is semispherical, the tapered test tube placing groove 11 is arranged, the semispherical bottom is favorably placed, and the positioning rod 41 is arranged to improve the adaptability to the experimental test tube.

[0046] In some possible manners, the bottom of the tapered test tube placing groove 11 abuts against the center of the positioning screw disc 2, and the installation stability of the positioning screw disc 2 is improved.

[0047] As a specific embodiment of the test tube cell beating device provided in the application, a starting switch 12 is arranged in the base 1, and the starting switch 12 is used to start the positioning motor.

[0048] It should be understood that the starting switch 12 arranged on the base 1 is used to start the positioning motor, the test tube is favorably clamped when the test tube is placed, and the inconvenience of starting the positioning motor by the data module 7 is reduced.

[0049] Further, the starting switch 12 is a laser sensor, and the laser signal input end and the emission end of the starting switch 12 are located at two ends of one diameter of the base 1.

[0050] It should be understood that the starting switch 12 is arranged as a laser sensor, when the test tube is placed, the light signal received by the laser signal input end of the starting switch 12 changes, the starting switch 12 is automatically started, clamping is completed, and the automation degree of the equipment is improved.

[0051] Further, the soft pad 411 is a rubber wheel, the soft pad 411 is rotatably arranged on the positioning rod 41, and the rotating direction of the soft pad 411 is parallel to the axis of the base 1.

[0052] It should be understood that by setting the soft pad 411 as a rubber wheel, the test tube can be directly pulled upward through the rotation of the soft pad 411 after the cell crushing is completed, and at the same time the switch 12 signal is restored to control the reset of the positioning motor, thereby further improving the automation degree of the equipment.

[0053] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A tube cell-beating device, characterized by comprising: It includes: Base, the base is cylindrical box shape; Positioning screw disc, the positioning screw disc is rotatably installed in the inside of the base, the positioning screw disc upper end is provided with spiral convex; Positioning block, the positioning block is slidably installed on the upper end of the base, the positioning block bottom is provided with a plurality of grooves, the groove and the spiral convex are engaged in turn, the positioning block circumferential array has three; Positioning motor, the positioning motor is fixedly installed on the base, the positioning motor output end is fixedly connected with the positioning screw disc; Positioning rod, the positioning rod is slidably installed on the positioning block, the positioning rod sliding direction is perpendicular to the base axis, the positioning rod is fixedly connected with soft pad at one end close to the base axis; Positioning switch, the positioning switch is fixedly installed on the positioning block, the positioning rod is fixedly connected with the triggering position of the positioning switch at one end away from the base axis; Probe support, the probe support is fixedly connected with the base; Amplitude lever, the amplitude lever is slidably installed on the probe support, the amplitude lever is coaxial with the base, the probe support is provided with fixing piece for fixing the position of the amplitude lever; Data module, the data module is electrically connected with the amplitude lever, positioning motor and positioning switch.

2. A tube cell-beating device according to claim 1, characterized in that: The positioning switch is only arranged on one of the positioning blocks, the upper end of the other positioning blocks is fixedly provided with a profile spring, the elastic force and the stroke of the profile spring and the triggering position of the positioning switch are same.

3. A tube cell-beating device according to claim 1, wherein: The base upper end is provided with a tapered pipe slot.

4. A tube cell-beating device according to claim 1, wherein: The base is provided with a starting switch, and the starting switch is used to start the positioning motor.

5. A tube cell-beating device according to claim 4, wherein: The starting switch is a laser sensor, and the laser signal input end and the emission end of the starting switch are located at two ends of one diameter of the base respectively.

6. A tube cell-beating device according to claim 5, wherein: The soft pad is a rubber wheel, the soft pad is rotatably installed on the positioning rod, and the rotating direction of the soft pad is parallel to the base axis.

7. A tube cell-beating device according to claim 1, wherein: The probe support is slidably provided with a sliding block, the fixing piece is installed on the sliding block, the amplitude lever is fixedly installed on the sliding block, and the probe support is provided with a scale.

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