Environment detection centrifugal machine capable of conveniently fixing test tube

Abstract

The utility model relates to the technical field of centrifugal machines for environment detection, and discloses an environment detection centrifugal machine convenient for fixing test tubes, which comprises a centrifugal machine casing and a centrifugal machine main body, an operation device is arranged on the front side of the centrifugal machine main body, supporting legs are arranged at the bottom of the centrifugal machine main body, and a protective door is arranged on the front side of the centrifugal machine casing. Centrifugal equipment is arranged in the centrifugal machine shell, an auxiliary rotating mechanism is arranged at the top of the centrifugal equipment, and a test tube fixing mechanism is arranged at the top of the auxiliary rotating mechanism. Through the test tube fixing mechanism, test tubes needing to be placed can be effectively fixed, the phenomenon that the positions are changed at will in the detection process is avoided, through self-locking of a worm gear and a worm, the phenomenon that the clamping positions are loosened in the centrifugal operation process is further avoided, and through the arrangement of the auxiliary rotating mechanism, when multiple test tubes need to be placed, the clamping positions are not loosened. The device can be rotated, so that different test tubes can be placed, and a stable rotating effect can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifuges for environmental testing, in particular to a centrifuge for environmental testing that is convenient for fixing test tubes. Background Art

[0002] A centrifuge is a machine that uses centrifugal force to separate liquids from solid particles or components in a mixture of liquids and liquids. It is often used in environmental testing.

[0003] According to the description of a low-speed centrifuge for environmental testing disclosed on the patent website (authorization announcement number: CN213377245U), "The utility model discloses a low-speed centrifuge for environmental testing, including a low-speed motor, a centrifugal chamber and a test tube fixing device. The rotating shaft of the low-speed motor is provided with a centrifugal chamber, and the centrifugal chamber is provided with a test tube fixing device. The test tube fixing device includes a tube body, a nut, a screw, a plurality of test tube fixing mechanisms, a support and a plurality of slots. The upper end of the tube body is provided with a support, and the support is provided with a screw that can be rotatably installed and the lower part is located in the tube body. The screw is provided with a nut located in the tube body. The upper end of the test tube fixing mechanism can be rotatably provided with a support body fixedly connected to the tube body, and the lower end of the test tube fixing mechanism can be rotatably provided with an arm body. The tube body is provided with slots corresponding to the arm body. Compared with the prior art, it can adapt to test tubes of various diameters and can adjust the inclination of the test tube."

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use, although the utility model can adapt to test tubes of various diameters and adjust the inclination of the test tubes, in actual applications, the device only fixes the test tubes to be tested through the provided slots, and the fixing effect is not strong. During centrifugal operation, the test tubes are prone to fall off and be damaged from the centrifugal device. Therefore, we urgently need to improve a centrifuge for environmental testing that is easy to fix test tubes to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a centrifuge for environmental testing which is convenient for fixing test tubes, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifuge for environmental testing that is convenient for fixing test tubes, comprising a centrifuge casing and a centrifuge equipment body, an operating device is arranged on the front of the centrifuge equipment body, a supporting leg is arranged on the bottom of the centrifuge equipment body, a protective door is arranged on the front of the centrifuge casing, a centrifugal device is arranged inside the centrifuge casing, an auxiliary rotating mechanism is arranged on the top of the centrifugal device, and a test tube fixing mechanism is arranged on the top of the auxiliary rotating mechanism.

[0008] The test tube fixing mechanism comprises a fixing component and a driving component, and the fixing component is arranged outside the driving component.

[0009] Preferably, the fixing component includes a mounting frame, a fixing plate is fixedly installed inside the mounting frame, an adjusting disk is rotatably provided on the top of the fixing plate, a limit frame is provided on the top of the adjusting disk, a positioning block is slidably installed inside the limit frame, a connecting column is provided at the bottom of the positioning block, a rubber pad is fixedly installed outside the positioning block, and a connecting top plate is provided on the top of the mounting frame, so as to effectively fix the test tube to be placed and avoid the phenomenon that its position changes arbitrarily during the detection process.

[0010] Preferably, an arc-shaped slide groove is provided inside the adjusting disk at a position corresponding to the connecting column, and the connecting column is in contact with the inside of the arc-shaped slide groove, so as to limit the movement of the positioning block.

[0011] Preferably, the driving assembly includes a first mounting frame, the first mounting frame is fixedly mounted inside the mounting frame, a worm is rotatably mounted inside the first mounting frame, a mounting column is fixedly mounted outside the worm, a first handle is fixedly mounted outside the mounting column, and a worm wheel is fixedly mounted outside the adjusting disk, so as to lock the position of the positioning block and avoid the phenomenon that the clamping force is reduced during centrifugal movement, causing the test tube to fall off.

[0012] Preferably, the worm is meshed with the worm wheel, through holes are provided at corresponding positions of the mounting frame and the mounting column, and the mounting column passes through the through holes, so as to provide a power source and fix the clamping position at the same time.

[0013] Preferably, the auxiliary rotation mechanism includes a second mounting frame arranged at the output end of the centrifugal device, a support plate is arranged outside the centrifugal device, a circular guide rail is fixedly installed on the bottom of the second mounting frame, a third mounting frame is arranged on the top of the support plate, a mounting shaft is fixedly installed inside the third mounting frame, a connecting wheel is rotatably installed outside the mounting shaft, and a second handle is fixedly installed outside the mounting frame, so that the device can be rotated when multiple test tubes need to be placed, and can provide protection for subsequent centrifugal operations.

[0014] Preferably, the third mounting frame, mounting shaft, and connecting wheel are provided in three groups, and the three groups of the third mounting frame, mounting shaft, and connecting wheel are symmetrically arranged on the top of the support plate, and the connecting wheel is in contact with the inside of the circular guide rail to facilitate the realization of a stable rotation effect.

[0015] Compared with the prior art, the utility model provides a centrifuge for environmental testing that is convenient for fixing test tubes, and has the following beneficial effects:

[0016] 1. The centrifuge for environmental testing, which is convenient for fixing test tubes, can effectively fix test tubes of different sizes that need to be placed during use by arranging a test tube fixing mechanism, thereby avoiding the phenomenon that the positions thereof change arbitrarily during the testing process, and can further avoid the phenomenon that the clamping position becomes loose during the centrifugal operation by the self-locking of the worm gear.

[0017] 2. The centrifuge for environmental testing that is convenient for fixing test tubes is provided with an auxiliary rotating mechanism. During use, when multiple test tubes need to be placed, the device can be rotated to place different test tubes, and can provide protection for subsequent centrifugal operations to achieve a stable rotation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the partial appearance structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the disassembled structure of the fixed component of the utility model;

[0023] Figure 5 This is a schematic diagram of the disassembled structure of the drive assembly of the utility model;

[0024] Figure 6 This is a schematic diagram of the disassembled structure of the auxiliary rotating mechanism of the utility model.

[0025] In the figure: 1. centrifuge casing; 2. centrifuge equipment body; 3. operating equipment; 4. supporting legs; 5. protective door; 6. centrifugal equipment; 7. auxiliary rotating mechanism; 71. second mounting frame; 72. supporting plate; 73. circular guide rail; 74. third mounting frame; 75. mounting shaft; 76. connecting wheel; 77. second handle; 8. test tube fixing mechanism; 81. fixing assembly; 811. mounting frame; 812. fixing plate; 813. adjusting disk; 814. limiting frame; 815. positioning block; 816. connecting column; 817. rubber pad; 818. connecting top plate; 82. driving assembly; 821. first mounting frame; 822. worm; 823. mounting column; 824. first handle; 825. worm wheel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Embodiment 1:

[0029] See also Figure 1-5 The utility model provides a technical solution: a centrifuge for environmental testing that is convenient for fixing test tubes, comprising a centrifuge casing 1, a centrifuge device body 2, an operating device 3 is arranged on the front of the centrifuge device body 2, a supporting leg 4 is arranged on the bottom of the centrifuge device body 2, a protective door 5 is arranged on the front of the centrifuge casing 1, a centrifugal device 6 is arranged inside the centrifuge casing 1, an auxiliary rotating mechanism 7 is arranged on the top of the centrifugal device 6, and a test tube fixing mechanism 8 is arranged on the top of the auxiliary rotating mechanism 7.

[0030] The test tube fixing mechanism 8 includes a fixing component 81 and a driving component 82 , and the fixing component 81 is arranged outside the driving component 82 .

[0031] Furthermore, the fixing component 81 includes a mounting frame 811, a fixing plate 812 is fixedly installed inside the mounting frame 811, an adjusting disk 813 is rotatably provided on the top of the fixing plate 812, a limiting frame 814 is provided on the top of the adjusting disk 813, a positioning block 815 is slidably installed inside the limiting frame 814, a connecting column 816 is provided at the bottom of the positioning block 815, a rubber pad 817 is fixedly installed outside the positioning block 815, and a connecting top plate 818 is provided on the top of the mounting frame 811, so as to effectively fix the test tube that needs to be placed and avoid the phenomenon that its position changes arbitrarily during the detection process.

[0032] Furthermore, an arc-shaped slide groove is provided inside the adjusting disk 813 at a position corresponding to the connecting column 816 , and the connecting column 816 is in contact with the inside of the arc-shaped slide groove, so as to limit the movement of the positioning block 815 .

[0033] Furthermore, the driving assembly 82 includes a first mounting frame 821, which is fixedly installed inside the mounting frame 811. A worm 822 is rotatably installed inside the first mounting frame 821, a mounting column 823 is fixedly installed outside the worm 822, a first handle 824 is fixedly installed outside the mounting column 823, and a worm wheel 825 is fixedly installed outside the adjusting disk 813, so as to lock the position of the positioning block 815 and avoid the phenomenon that the clamping force is reduced during centrifugal movement, causing the test tube to fall off.

[0034] Furthermore, the worm 822 is meshed with the worm wheel 825, and through holes are provided at corresponding positions of the mounting frame 811 and the mounting column 823, and the mounting column 823 passes through the through holes, so as to provide a power source and fix the clamping position at the same time.

[0035] Embodiment 2:

[0036] See also Figure 6 , and combined with Example 1, it is further obtained that the auxiliary rotating mechanism 7 includes a second mounting frame 71 arranged at the output end of the centrifugal device 6, a support plate 72 is arranged outside the centrifugal device 6, a circular guide rail 73 is fixedly installed at the bottom of the second mounting frame 71, and a third mounting frame 74 is arranged on the top of the support plate 72. A mounting shaft 75 is fixedly installed inside the third mounting frame 74, and a connecting wheel 76 is rotatably installed outside the mounting shaft 75. A second handle 77 is fixedly installed outside the mounting frame 811, which is convenient for rotating the device when multiple test tubes need to be placed, and can provide protection for subsequent centrifugal operations.

[0037] Furthermore, three groups of third mounting frames 74, mounting shafts 75, and connecting wheels 76 are provided, and the three groups of third mounting frames 74, mounting shafts 75, and connecting wheels 76 are symmetrically arranged on the top of the support plate 72, and the connecting wheels 76 are in contact with the inside of the circular guide rail 73, so as to achieve a stable rotation effect.

[0038] In actual operation, when the device is used, when relevant environmental testing is required, the protective door 5 can be opened, and then the second handle 77 can be pulled to rotate the connecting wheel 76. Under the limiting effect of the circular guide rail 73, the rotation of the second mounting frame 71 can be guaranteed, and the mounting frame 811 to be placed is placed in a position facing the protective door 5. Then, the test tube to be placed can be placed inside the mounting frame 811. Then, the first handle 824 can be turned to rotate the worm 822 inside the first mounting frame 821, so that the worm wheel 825 meshing therewith rotates, so that the adjusting disk 813 rotates, thereby The connecting column 816 is made to slide along the arc-shaped slide groove direction of the adjustment disk 813. Under the limiting action of the limit frame 814, the set positioning block 815 can be moved in the center. Under the action of the rubber pad 817, the placed test tube can be clamped and fixed. After the clamping is stable, the first handle 824 can be stopped from rotating to lock the position of the positioning block 815, thereby avoiding the problem of detachment from the centrifuge device 6 during the subsequent centrifugal detection process. Subsequently, the operating device 3 and the centrifuge device body 2 can be operated. With the cooperation of the centrifuge device 6, the relevant detection of the test tube can be completed to assist in completing the relevant environmental detection work.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A centrifuge for environmental testing that is convenient for fixing test tubes, comprising a centrifuge housing (1) and a centrifuge device body (2), characterized in that: An operating device (3) is arranged on the front of the centrifuge device body (2), a supporting leg (4) is arranged on the bottom of the centrifuge device body (2), a protective door (5) is arranged on the front of the centrifuge housing (1), a centrifuge device (6) is arranged inside the centrifuge housing (1), an auxiliary rotating mechanism (7) is arranged on the top of the centrifuge device (6), and a test tube fixing mechanism (8) is arranged on the top of the auxiliary rotating mechanism (7); The test tube fixing mechanism (8) comprises a fixing component (81) and a driving component (82), wherein the fixing component (81) is arranged outside the driving component (82).

2. The centrifuge for environmental testing that is convenient for fixing test tubes according to claim 1, characterized in that: The fixing assembly (81) comprises a mounting frame (811), a fixing plate (812) is fixedly mounted inside the mounting frame (811), an adjusting disk (813) is rotatably mounted on the top of the fixing plate (812), a limiting frame (814) is arranged on the top of the adjusting disk (813), a positioning block (815) is slidably mounted inside the limiting frame (814), a connecting column (816) is arranged at the bottom of the positioning block (815), a rubber pad (817) is fixedly mounted outside the positioning block (815), and a connecting top plate (818) is arranged on the top of the mounting frame (811).

3. The centrifuge for environmental testing that is convenient for fixing test tubes according to claim 2, characterized in that: An arc-shaped sliding groove is provided inside the adjusting disk (813) at a position corresponding to the connecting column (816), and the connecting column (816) is in contact with the inside of the arc-shaped sliding groove.

4. The centrifuge for environmental testing that is convenient for fixing test tubes according to claim 2, characterized in that: The driving assembly (82) comprises a first mounting frame (821), the first mounting frame (821) being fixedly mounted inside the mounting frame (811), a worm (822) being rotatably mounted inside the first mounting frame (821), a mounting column (823) being fixedly mounted outside the worm (822), a first handle (824) being fixedly mounted outside the mounting column (823), and a worm wheel (825) being fixedly mounted outside the adjusting disk (813).

5. The centrifuge for environmental testing that is convenient for fixing test tubes according to claim 4, characterized in that: The worm (822) is meshed with the worm wheel (825), and through holes are provided at corresponding positions of the mounting frame (811) and the mounting column (823), and the mounting column (823) passes through the through holes.

6. The centrifuge for environmental testing that is convenient for fixing test tubes according to claim 2, characterized in that: The auxiliary rotating mechanism (7) comprises a second mounting frame (71) arranged at the output end of the centrifugal device (6), a support plate (72) is arranged outside the centrifugal device (6), a circular guide rail (73) is fixedly installed at the bottom of the second mounting frame (71), a third mounting frame (74) is arranged on the top of the support plate (72), a mounting shaft (75) is fixedly installed inside the third mounting frame (74), a connecting wheel (76) is rotatably installed outside the mounting shaft (75), and a second handle (77) is fixedly installed outside the mounting frame (811).

7. The centrifuge for environmental testing that is convenient for fixing test tubes according to claim 6, characterized in that: The third mounting frame (74), the mounting shaft (75), and the connecting wheel (76) are provided in three groups, and the three groups of the third mounting frame (74), the mounting shaft (75), and the connecting wheel (76) are symmetrically arranged on the top of the support plate (72), and the connecting wheel (76) is in contact with the inside of the circular guide rail (73).

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