Inclinable test tube rack

Abstract

The utility model discloses an inclinable test tube rack. Comprising an arc plate and a suction cup shaft which comprises a rotating shaft and a suction cup. Notches are formed in the test tube rack supporting legs and are movably clamped with the rotating shafts of the suction cup shafts; the arc plate is fixedly connected with a rotating shaft of a sucker shaft adsorbed and fixed on the side edge of the lower plate, and a notch is formed in the periphery of the outer arc of the arc plate and is correspondingly matched with the rotating shaft of the sucker shaft. When the arc plate is pressed down, the rotating shaft end of the arc plate is lifted under the lever effect to incline the test tube rack. The suction cup shafts are movably clamped in the notches of the arc plates, so that the three suction cup shafts are adsorbed and fixed to form triangular stable support. The test tube rack is stable in inclination and falling back, only one person is needed in the whole operation process, and operation is convenient and easy.

Description

Technical Field

[0001] The utility model is applied to laboratory aseptic operation and relates to a test tube rack for disinfecting the mouth of a test tube with an alcohol lamp, in particular to a test tube rack which can be tilted at any angle. Background Art

[0002] In the food department laboratory, the culture medium for culturing yeast is placed in a test tube, and the test tube is placed on the test tube rack on the sterile operating table. To ensure the sterility of the culture medium in the test tube, the mouth of the test tube needs to be disinfected with the flame of an alcohol lamp. Usually, the area within a radius of five centimeters with the flame of the alcohol lamp as the center is considered sterile. In order to achieve the alcohol lamp flame baking the mouth of the test tube, the test tube rack needs to be tilted. This aseptic operation requires two people to stand on opposite sides of the sterile operating table to cooperate, open the opposite sides of the operating table, one person tilts the test tube rack, and the other person uses the alcohol lamp to bake the mouth of the test tube for aseptic operation. In order for one person to be able to perform this aseptic operation, it is necessary to design a test tube rack that can be tilted at any angle to accommodate different test tubes or alcohol lamps.

[0003] There are multiple patent applications for tiltable test tube racks. CN205056078U discloses a tiltable test tube rack for use in a laboratory. The threaded tube has internal threads with opposite rotation directions. The screw rods at both ends are hinged with the tilting plate and the test tube clamp. The threaded tube is rotated to adjust the length of the screw rod in the threaded tube, and then the length of the telescopic rod is adjusted to adjust the tilting angle of the tilting plate and the test tube clamp. The tilting angle adjustment operation is inconvenient. CN215029138U discloses a tiltable test tube rack for use in a laboratory. The electric telescopic rod pulls one side of the bottom edge of the U-shaped frame to rotate the U-shaped frame around the connecting bearing to adjust the flipping angle of the U-shaped frame. The electric telescopic rod of this patent requires wires, which are not as safe and stable as mechanical structures. CN207324904U discloses a new type of test tube rack for biological testing. When a tilted test tube needs to be placed, the fixed plate shaft on the upper plate of the tilted test tube is inserted into the shaft fixing groove, rotated to a certain angle, and the test tube is placed. The patent does not mention how to fix it after rotation. Utility Model Content

[0004] The technical problem solved by the utility model is to provide a tiltable test tube rack, which can be lifted by rotating an arc plate to achieve tilting of the test tube rack, and fix the test tube rack with a suction cup after tilting.

[0005] The technical solution adopted by the utility model is: the tiltable test tube rack includes a test tube rack, a suction cup shaft I, an arc plate and a suction cup shaft II. The suction cup shaft I includes a rotating shaft, a support plate and a suction cup; the support plate is fixed to the raised surface of the suction cup, the suction cup can be fixed on a plane by adsorption under atmospheric pressure, and the rotating shaft is rotatably connected to the support plate; a notch is designed on the legs of the test tube rack, and the notch is movably engaged with the rotating shaft of the suction cup shaft I; the arc plate is fixedly connected to the rotating shaft of the suction cup shaft II, the suction cup shaft II is adsorbed and fixed on the side of the lower plate of the test tube rack, and a notch is processed on the outer arc periphery of the arc plate, and the notch is correspondingly matched with the rotating shaft of the suction cup shaft III; the structures of the suction cup shaft II and the suction cup shaft III are consistent with the structure of the suction cup shaft I.

[0006] Furthermore, in order to facilitate the processing of the arc plate, the arc plate is semicircular.

[0007] Furthermore, when the arc plate is pressed down to tilt the test tube rack, in order to prevent the arc plate from becoming unstable, the arc plate contacts the side of the lower plate and tilts the test tube rack under the guidance of the side.

[0008] Furthermore, arc plates are installed on both sides of the lower plate of the test tube rack, so that the two suction cup axes II and the two suction cup axes III greatly increase the stability safety factor of the tilted test tube rack.

[0009] The beneficial effects of the utility model are as follows: the test tube rack of the utility model tilts and falls back smoothly, and the culture medium in the test tube does not shake. The entire operation process of tilting, stabilizing, disinfecting, and falling back only requires one person, eliminating the need for cooperation from another person, and the operation is convenient and simple. By adjusting the position of the suction cup axis II and the rotation angle of the arc plate, the tilt angle of the test tube rack can be adjusted at will. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the main view of the utility model;

[0011] Figure 2 for Figure 1 Schematic diagram of the left side;

[0012] Figure 3 It is a schematic diagram of the main view of the suction shaft;

[0013] Figure 4 for Figure 2 Schematic diagram of the left side;

[0014] Figure 5 This is a schematic diagram of the micro-tilt of the utility model;

[0015] Figure 6 This is a schematic diagram of the working state of the utility model;

[0016] Figure 7 This is a schematic diagram of the tilt limit of the utility model;

[0017] In the figure: 1-test tube rack, 2-suction cup axis I, 3-arc plate, 4-suction cup axis II, 5-test tube, 6-suction cup axis III;

[0018] 11-legs, 12-lower plate, 13-upper plate;

[0019] 21-rotating shaft, 22-split pin, 23-support plate, 24-suction cup;

[0020] 31-Gap. DETAILED DESCRIPTION

[0021] The following Ⅰ, Ⅱ, and Ⅲ are only used to distinguish the suction cup axis and do not represent the order. Suction cup axis Ⅰ refers to the suction cup axis that cooperates with the support leg, suction cup axis Ⅱ is the suction cup axis that fixes the arc plate rotation axis end, and suction cup axis Ⅲ is the suction cup axis that cooperates with the arc plate notch to prevent the arc plate from becoming unstable. The following lower plate side edges refer to the two sides of the lower plate, and the side edges refer to the two rotation planes of the test tube rack when it is tilted and rotated.

[0022] The utility model structure is as shown in the attached Figure 1 and attached Figure 2 As shown, the test tube rack 1 includes a suction cup shaft I2, an arc plate 3, a suction cup shaft II4, etc. The test tube rack 1 is supported by legs 11, the upper plate 13 of which is processed with a test tube placement hole, and the lower plate 12 of which is processed with a groove corresponding to the test tube placement hole, and the test tube 5 can be stabilized by the cooperation of the two.

[0023] The structure of the suction cup shaft Ⅰ2 is shown in the attached Figure 3 and attached Figure 4 As shown, it includes a rotating shaft 21, a support plate 23, and a suction cup 24. The suction cup 24 is made of a flexible material, and the lower part is a cavity. When pressed, the air in the cavity is discharged, and the suction cup 24 is fixed on the desktop by atmospheric pressure. When the edge of the suction cup 24 is opened, the air enters the cavity, and the atmospheric pressure inside and outside is balanced, and the suction cup 24 is separated from the desktop and can be removed. The support plate 23 is fixed to the convex surface of the suction cup 24, and the suction cup 24 is attached. Figure 3 The welding symbol indicates that the two are fixedly connected. A through hole is designed on the upper part of the support plate 23, and the rotating shaft 21 passes through the through hole and is limited by a cotter pin 22. In this way, the rotating shaft 21 can rotate around the support plate through hole to form a rotating connection.

[0024] Arc plate 3 as attached Figure 1 As shown, it is a semicircular arc plate, whose shaft end is fixedly connected to the shaft 21 of the suction cup shaft II 4, and a notch 31 is processed on the outer arc periphery of the arc plate 3, and the notch 31 corresponds to the shaft 21.

[0025] Notches are machined at the bottom of the legs of the test tube rack. The four notches are in the same direction and perpendicular to the rotation plane of the test tube rack. When the test tube rack 1 does not need to be tilted, the test tube rack can be placed on the table. When the test tube rack 1 needs to be tilted, the notch of the test tube rack leg 11 is movably engaged with the suction cup shaft I2, and the suction cup is pressed down, and the suction cup is fixed on the table to achieve the positioning of the suction cup shaft I2. The test tube rack is horizontal, and the test tube 5 is placed in the test tube placement hole. The suction cup shaft II4 is fixed to the lower surface of the side of the lower plate by suction in the same way, as shown in the attached Figure 2 When tilting the test tube rack, as shown in the attached Figure 5-7 As shown. Press the arc plate, and the arc plate shaft end will rise under the action of the lever with the arc surface as the fulcrum, so that the right side of the test tube rack will rise, rotate around the shaft of the left suction cup shaft Ⅰ2, and the right leg will be separated from the suction cup shaft Ⅰ2. When the test tube rack needs to be tilted at different angles, the suction cup shaft Ⅲ6 can be movably clamped in the corresponding notch around the outer arc of the arc plate, and the suction cup can be pressed to fix it. As shown in the attached figure Figure 5-7 As shown, the suction cup shaft Ⅰ2 of the left leg, the suction cup shaft Ⅱ4 at the end of the arc plate rotation axis, and the suction cup shaft Ⅲ6 in the arc plate gap are all fixed by adsorption to form a triangular stable support to achieve the tilting and fixing of the test tube rack. After the test tube mouth on the test tube rack is disinfected with an alcohol lamp, the suction cup shaft Ⅲ in the arc plate gap is removed, and the test tube rack falls back under the action of gravity, and the gap of the right leg falls back to the rotation axis of the suction cup shaft Ⅰ, and the test tube rack returns to the horizontal.

[0026] In order to keep the downwardly pressed arc plate stable, the arc plate should be in contact with the side edge of the lower plate and positioned with the side edge as a guide.

[0027] In order to avoid the instability of the suction cup axis II, arc plates are installed on both sides of the lower plate of the test tube rack. Two suction cup axes II and two suction cup axes III are used to increase the safety factor of the stability of the tilted test tube rack.

[0028] The utility model can be used by adding a suction cup shaft and an arc plate on the basis of the original test tube rack, has a simple structure coordinated with each other, and is convenient to adsorb and remove the suction cup shaft.

[0029] The test tube rack of the utility model is supported by the arc surface of the arc plate when tilting and falling back, and the tilting and falling back are stable, and the culture medium in the test tube will not shake. Only one person is needed for the entire operation process of tilting, stabilizing, disinfecting, and falling back, eliminating the need for another person to cooperate, and the operation is convenient and simple.

[0030] The tilt angle of the test tube rack of the utility model can be adjusted at will. The suction cup shaft II connected to the arc plate is adsorbed at different positions on the side of the lower plate. When the arc plate rotates at the same angle, the tilt angle is different. Therefore, the tilt angle of the test tube rack can be adjusted at will by adjusting the position of the suction cup shaft II and the rotation angle of the arc plate. Even in the extreme state, such as the attached Figure 7 As shown, the test tube rack remains stable under the premise that the test tube is stable.

Claims

1. A tiltable test tube rack, characterized in that: It includes a suction cup shaft I, an arc plate and a suction cup shaft II; the suction cup shaft I includes a rotating shaft, a support plate and a suction cup; the support plate is fixed to the raised surface of the suction cup, and the rotating shaft is rotatably connected to the support plate; a notch is designed on the leg of the test tube rack, and the notch is movably engaged with the rotating shaft of the suction cup shaft I; the arc plate is fixedly connected to the rotating shaft of the suction cup shaft II, and the suction cup shaft II is adsorbed and fixed on the side of the lower plate of the test tube rack, and a notch is processed on the outer arc periphery of the arc plate, and the notch is correspondingly matched with the rotating shaft of the suction cup shaft III; the structures of the suction cup shaft II and the suction cup shaft III are consistent with the structure of the suction cup shaft I.

2. A tiltable test tube rack according to claim 1, characterized in that: The arc plate is semicircular.

3. The tiltable test tube rack according to claim 1, characterized in that: The arc plate contacts the side edge of the lower plate.

4. The tiltable test tube rack according to claim 1, characterized in that: Arc plates are installed on both sides of the lower plate of the test tube rack.

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