Test tube rack

Abstract

The utility model provides a test tube rack and relates to the technical field of experimental appliances. The test tube rack comprises a bottom plate and a test tube base, and further comprises a test tube placing plate arranged on the upper surface of the test tube base and a limiting assembly connected to the test tube placing plate, and the limiting assembly comprises a double-thread screw, a connecting block, an arc-shaped clamping block, a round rod, a rubber block and a rotating disc. The upper surface of the test tube placing plate is provided with a placing hole, the test tube placing plate is provided with a rectangular groove, and the rectangular groove and the double-thread screw can rotate relatively. According to the test tube placing device, a test tube can be inserted into the placing hole, and then the double-thread screw can rotate through the round rod by shifting the turntable; according to the limiting device, the two arc-shaped clamping blocks can be pushed to move towards the test tubes through the two connecting blocks, and the rubber blocks are attached to the test tubes, so that the test tubes with different tube diameters can be limited.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental utensils, and particularly relates to a test tube rack. Background Technique

[0002] Test tubes are widely used in medical examinations. A test tube rack is used to place test tubes. A conventional test tube rack is a rack with multiple rows of test tube insertion holes. The test tubes are inserted into the test tube insertion holes, and the test tube insertion holes can fix the test tubes to keep them upright.

[0003] The patent application number "CN202322521509.8" discloses a technical field of turbidity measurement equipment, and specifically discloses a fully automatic ultrasonic turbidity measurement mechanism, including a bottom plate. A test tube rack is placed on the bottom plate, and several test tubes are loaded in the test tube rack; an X / Y / Z-axis drive module for taking and placing test tubes is arranged on the bottom plate; an ultrasonic dispersion module for ultrasonically dispersing the reagent in the test tube is arranged on the bottom plate; a turbidity detection module for detecting the turbidity of the reagent in the test tube is arranged on the ultrasonic dispersion module. In the utility model, continuous detection of test tubes can be realized, and the efficiency can be improved. After the operator places the test tube samples to be processed, other work can be carried out, and then the test tube samples can be taken away for subsequent operations after the processing is completed.

[0004] However, the insertion holes in the test tube rack of the above device cannot be adjusted, so that the test tube rack can only be used to place test tubes of the same diameter, and test tubes of different diameters cannot be placed, resulting in a low scope of application. In addition, the test tube rack in the above device is fixedly connected to the bottom plate. When the test tube rack is damaged, it cannot be replaced, resulting in the device being unable to be used normally.

[0005] Therefore, it is necessary to provide a test tube rack to solve the above technical problems. Content of the Utility Model

[0006] To solve the above technical problems, the utility model provides a test tube rack.

[0007] A test tube rack provided by the utility model includes a bottom plate and a test tube base. The test tube rack further includes a test tube placement plate provided on the upper surface of the test tube base, and a limiting component connected to the test tube placement plate;

[0008] The limiting component includes a double-headed screw rod, a connecting block, an arc-shaped clamping block, a round rod, a rubber block and a turntable. A placement hole is formed in the upper surface of the test tube placement plate. A rectangular groove is formed in the test tube placement plate. The rectangular groove and the double-headed screw rod can rotate relative to each other. Two sleeve plates are threadedly arranged on the outer side surface of the double-headed screw rod. The sleeve plates are slidably attached to the inner surface of the rectangular groove. A connecting block is fixedly arranged on one side of the two sleeve plates facing each other. A channel communicating the rectangular groove and the placement hole is formed in the test tube placement plate. The connecting block is slidably attached to the inner surface of the channel. The other end of the connecting block is fixedly provided with an arc-shaped clamping block. A rubber block is fixedly arranged on the side of the arc-shaped clamping block away from the connecting block. One end of the double-headed screw rod is fixedly provided with a round rod. A turntable is fixedly sleeved on the round rod. An axial hole communicating with the rectangular groove is formed in the test tube placement plate. The round rod and the axial hole can rotate relative to each other. A placement groove is formed in the inner wall of the placement hole. The arc-shaped clamping block is adapted to the placement groove. A semi-circular notch is formed in the outer side surface of the turntable. A fixed block is fixedly arranged on the test tube placement plate. The limiting screw rod and the fixed block are in threaded cooperation, so that the limiting screw rod can penetrate into or withdraw from the semi-circular notch. A plurality of rubber blocks are provided, and the rubber blocks are arranged in an array on one side of the arc-shaped clamping block. A plurality of semi-circular notches are formed, and the semi-circular notches are arranged in an annular array on the outer side surface of the turntable.

[0009] Preferably, the test tube rack further includes a sleeve, a hollow block, a spring, a square plate, a pull rod and a limiting block. The sleeve is fixedly connected to the lower surface of the test tube base. A connecting groove is formed on the upper surface of the bottom plate. The sleeve is movably inserted into the connecting groove. The hollow block is fixedly connected to the bottom plate. The square plate is arranged in the hollow block. The square plate and the inner wall of the hollow block are slidably connected in a relative manner. The spring is arranged in the hollow block. Six springs are provided, and all the springs are arranged in an array between the inner surface of the hollow block and the square plate. The two ends of the spring are connected to the hollow block and the square plate respectively. A first connecting hole communicating with the side surface of the connecting groove is formed in the bottom plate. A second connecting hole is formed in the hollow block. The first connecting hole and the second connecting hole are communicated to form a square hole. The limiting block is slidably connected to the square hole in a relative manner. A through groove communicating with the inside of the hollow block is formed on the upper surface of the hollow block. The pull rod passes through the through groove and is fixedly connected to the square plate.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. The utility model can insert the test tube into the placement hole, and then turn the turntable through the round rod to rotate the double-headed screw, so that the two sleeves set on the outer surface of the double-headed screw can slide along the inner surface of the rectangular groove, and the two arc-shaped clamping blocks can be pushed to move toward the test tube through the two connecting blocks. The rubber block fits with the test tube, so that the test tubes with different diameters can be limited.

[0012] 2. The utility model can pull the pull rod to move the square plate, and the limit block can be detached from the connecting groove, and the sleeve on the lower surface of the test tube placement plate can be inserted into the connecting groove. After loosening the pull rod, the limit block can penetrate the sleeve through the force of the spring, so that the test tube placement plate can be limited, thereby facilitating the replacement of the test tube placement plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model.

[0014] Figure 2 This is a schematic diagram of the structure of the limit assembly of the utility model.

[0015] Figure 3 This is a schematic diagram of the disassembly and assembly structure of the utility model.

[0016] Numbers in the figure: 1. bottom plate; 2. test tube base; 21. test tube placement plate; 3. limit assembly; 31. placement hole; 32. rectangular groove; 33. double-headed screw; 34. sleeve; 35. connecting block; 36. arc clamping block; 371. rubber block; 38. storage slot; 39. round rod; 391. turntable; 392. semicircular notch; 393. fixing block; 394. limit screw; 4. disassembly and assembly assembly; 41. sleeve; 42. connecting groove; 43. hollow block; 44. spring; 45. square plate; 46. limit block; 47. through groove; 48. pull rod. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0018] The following is a detailed description of the specific implementation of the utility model in conjunction with a specific embodiment. A test tube rack includes a bottom plate 1 and a test tube base 2. The test tube rack also includes a test tube placement plate 21 arranged on the upper surface of the test tube base 2, and a limit assembly 3 connected to the test tube placement plate 21;

[0019] The limiting component 3 includes a double-headed screw 33, a connecting block 35, an arc-shaped clamping block 36, a round rod 39, a rubber block 371 and a turntable 391. A placement hole 31 is formed in the upper surface of the test tube placement plate 21. A rectangular groove 32 is formed in the test tube placement plate 21. The rectangular groove 32 and the double-headed screw 33 can rotate relative to each other. Two sleeve plates 34 are threadedly arranged on the outer surface of the double-headed screw 33. The two sleeve plates 34 are symmetrically arranged on the outer side of the double-headed screw 33. The threads at both ends of the double-headed screw 33 should be reverse, that is, the thread at one end of the double-headed screw 33 is left-handed and the thread at the other end is right-handed. The sleeve plate 34 is slidably fitted with the inner surface of the rectangular groove 32. A connecting block 35 is fixedly arranged on one side of the two sleeve plates 34 facing each other. A channel communicating the rectangular groove 32 and the placement hole 31 is formed in the test tube placement plate 21. The connecting block 35 is slidably fitted with the inner surface of the channel. The other end of the connecting block 35 is fixedly provided with an arc-shaped clamping block 36. A rubber block 371 is fixedly arranged on the side of the arc-shaped clamping block 36 away from the connecting block 35. One end of the double-headed screw 33 is fixedly provided with a round rod 39. A turntable 391 is fixedly sleeved on the round rod 39. An axial hole communicating with the rectangular groove 32 is formed in the test tube placement plate 21. The round rod 39 and the axial hole can rotate relative to each other. The test tube can be inserted into the placement hole 31, and then the turntable 391 can be toggled to rotate the double-headed screw 33 through the round rod 39, so that the two sleeve plates 34 sleeved on the outer surface of the double-headed screw 33 can slide along the inner surface of the rectangular groove 32. The two arc-shaped clamping blocks 36 can be pushed towards the test tube through the two connecting blocks 35, and the rubber block 371 is attached to the test tube, so as to limit test tubes with different diameters;

[0020] A semi-circular notch 392 is formed in the outer surface of the turntable 391. A fixed block 393 is fixedly arranged on the test tube placement plate 21. The limiting screw 394 and the fixed block 393 are in threaded cooperation, so that the limiting screw 394 can be inserted into or withdrawn from the semi-circular notch 392 to assist in limiting the turntable 391 and prevent it from rotating under force. In order to prevent the turntable 391 from rotating, the limiting screw 394 can be rotated to enter the corresponding semi-circular notch 392 inside, so as to limit the turntable 391 and prevent it from rotating under force. A plurality of semi-circular notches 392 are formed, and the semi-circular notches 392 are annularly arrayed on the outer surface of the turntable 391. A number of rubber blocks 371 are provided, and the rubber blocks 371 are arrayed on one side of the arc-shaped clamping block 36 to improve the connection stability and also protect the test tube. A placement groove 38 is formed in the inner wall of the placement hole 31. The arc-shaped clamping block 36 is adapted to the placement groove 38 for placing the arc-shaped clamping block 36;

[0021] The test tube rack also includes a sleeve 41, a hollow block 43, a spring 44, a square plate 45, a pull rod 48 and a limit block 46. The sleeve 41 is fixedly connected to the lower surface of the test tube base 2. The upper surface of the bottom plate 1 is provided with a connecting groove 42. The sleeve 41 is movably inserted in the connecting groove 42. The hollow block 43 is fixedly connected to the bottom plate 1. The square plate 45 is arranged in the hollow block 43. The inner wall of the square plate 45 and the hollow block 43 can be relatively slidably matched and connected. There are six springs 44. All springs 44 are distributed in an array between the inner surface of the hollow block 43 and the square plate 45 to improve the stability of the connection. The spring 44 is arranged in the hollow block 43. The two ends of the spring 44 are connected to the hollow block 43 and the square plate 45. The bottom plate 1 is provided with a A first connecting hole connected to the side of the connecting groove 42, a second connecting hole is provided on the hollow block 43, the first connecting hole and the second connecting hole are connected to form a square hole, the limit block 46 is connected to the square hole in a relatively slidable manner, the upper surface of the hollow block 43 is provided with a through groove 47 connected to the hollow block 43, the pull rod 48 passes through the through groove 47 and is fixedly connected to the square plate 45, the pull rod 48 can be pulled to move the square plate 45, the limit block 46 is detached from the connecting groove 42, the sleeve 41 on the lower surface of the test tube placement plate 21 can be inserted into the connecting groove 42, after loosening the pull rod 48, the limit block 46 can pass through the sleeve 41 through the force of the spring 44, so that the test tube placement plate 21 can be limited, thereby facilitating the replacement of the test tube placement plate 21.

[0022] Working principle: When the utility model is used, the test tube can be inserted into the placement hole 31, and then the double-headed screw 33 can be rotated by turning the turntable 391 through the round rod 39, so that the two sleeves 34 set on the outer surface of the double-headed screw 33 can slide along the inner surface of the rectangular groove 32, and the two arc-shaped clamping blocks 36 can be pushed to move toward the test tube through the two connecting blocks 35, and the rubber block 371 fits with the test tube, so that the test tubes with different diameters can be limited;

[0023] In order to prevent the dial 391 from rotating, the limit screw 394 can be rotated to enter the corresponding semicircular notch 392, so as to limit the dial 391 and prevent it from rotating under force;

[0024] The square plate 45 can be moved by pulling the pull rod 48, and the limit block 46 can be disengaged from the connecting groove 42, and the sleeve 41 on the lower surface of the test tube placing plate 21 can be inserted into the connecting groove 42. After loosening the pull rod 48, the limit block 46 can pass through the sleeve 41 through the force of the spring 44, so that the test tube placing plate 21 can be limited, thereby facilitating the replacement of the test tube placing plate 21.

[0025] Obviously, those skilled in the art can make various changes and modifications to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalent technologies, the present utility model is also intended to include these modifications and variations.

Claims

1. A test tube rack, comprising a bottom plate (1) and a test tube base (2), characterized in that: The test tube rack further includes a test tube placement plate (21) provided on the upper surface of the test tube base (2), and a limiting assembly (3) connected to the test tube placement plate (21); The limiting assembly (3) includes a double-headed screw rod (33), a connecting block (35), an arc-shaped clamping block (36), a round rod (39), a rubber block (371) and a turntable (391). A placement hole (31) is formed on the upper surface of the test tube placement plate (21), and a rectangular groove (32) is formed on the test tube placement plate (21). The rectangular groove (32) and the double-headed screw rod (33) can rotate relative to each other. Two sleeve plates (34) are threadedly arranged on the outer surface of the double-headed screw rod (33). The sleeve plates (34) are slidably fitted with the inner surface of the rectangular groove (32). A connecting block (35) is fixedly provided on one side of the two sleeve plates (34) facing each other. A channel communicating the rectangular groove (32) and the placement hole (31) is formed on the test tube placement plate (21). The connecting block (35) is slidably fitted with the inner surface of the channel. The other end of the connecting block (35) is fixedly provided with an arc-shaped clamping block (36). A rubber block (371) is fixedly provided on one side of the arc-shaped clamping block (36) away from the connecting block (35). A round rod (39) is fixedly provided at one end of the double-headed screw rod (33). A turntable (391) is fixedly sleeved on the round rod (39). An axial hole communicating with the rectangular groove (32) is formed on the test tube placement plate (21). The round rod (39) and the axial hole can rotate relative to each other.

2. The test tube rack according to claim 1, characterized in that, The test tube rack further includes a sleeve (41), a hollow block (43), a spring (44), a square plate (45), a pull rod (48) and a limiting block (46). The sleeve (41) is fixedly connected to the lower surface of the test tube base (2). A connecting groove (42) is provided on the upper surface of the bottom plate (1). The sleeve (41) is movably inserted into the connecting groove (42). The hollow block (43) is fixedly connected to the bottom plate (1). The square plate (45) is arranged in the hollow block (43). The square plate (45) and the inner wall of the hollow block (43) are slidably connected to each other. The spring (44) is arranged in the hollow block (43). The two ends of the spring (44) are connected to the hollow block (43) and the square plate (45). A first connection hole communicating with the side of the connecting groove (42) is formed on the bottom plate (1). A second connection hole is formed on the hollow block (43). The first connection hole and the second connection hole communicate to form a square hole. The limiting block (46) is slidably connected to the square hole. A through groove (47) communicating with the inside of the hollow block (43) is formed on the upper surface of the hollow block (43). The pull rod (48) passes through the through groove (47) and is fixedly connected to the square plate (45).

3. A test tube rack according to claim 1, characterized in that, A semi-circular notch (392) is formed on the outer surface of the turntable (391). A fixing block (393) is fixedly arranged on the test tube placement plate (21). The limit screw rod (394) is in threaded cooperation with the fixing block (393), so that the limit screw rod (394) can be inserted into or withdrawn from the semi-circular notch (392).

4. A test tube rack according to claim 1, characterized in that, A number of rubber blocks (371) are provided, and the rubber blocks (371) are arranged in an array on one side of the arc-shaped clamping block (36).

5. The test tube rack according to claim 3, characterized in that, A plurality of semi-circular notches (392) are formed, and the semi-circular notches (392) are arranged in an annular array on the outer surface of the turntable (391).

6. A test tube rack according to claim 1, characterized in that, A placement groove (38) is formed on the inner wall of the placement hole (31), and the arc-shaped clamping block (36) is adapted to the placement groove (38).

7. The test tube rack according to claim 2, characterized in that, Six springs (44) are provided, and all the springs (44) are arranged in an array between the inner surface of the hollow block (43) and the square plate (45).

Images