Liftable settling bacterium plate placing rack

Abstract

The utility model discloses a liftable sedimentation bacterium plate placing rack which comprises a base and a driving assembly, a first supporting pipe is installed in the middle of the upper surface of the base, a second supporting pipe is slidably connected into the first supporting pipe, a third supporting pipe is slidably connected into the second supporting pipe, a fourth supporting pipe is slidably connected into the third supporting pipe, and a tray is installed at the upper end of the fourth supporting pipe; the driving assembly is used for driving the second supporting pipe, the third supporting pipe and the fourth supporting pipe to stretch out and draw back and comprises a lead screw, a first threaded pipe and a second threaded pipe, the lead screw is rotationally connected to the interior of the first supporting pipe and is in threaded connection with the lower end of the second supporting pipe, and the first threaded pipe is rotationally connected to the interior of the second supporting pipe; according to the liftable sedimentation bacterium plate placing frame, the multiple sections of telescopic pipes can be driven to synchronously ascend and descend, the telescopic range is large, the use range is wide, multi-position testing at different heights is achieved, meanwhile, operation is convenient, and use convenience is good.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental monitoring, in particular to a liftable settling bacteria petri dish placement rack. Background Technique

[0002] Settling bacteria detection is a method of collecting microbial particles in the air on a culture medium petri dish and then allowing them to multiply to a visible number of colonies under suitable conditions to understand the cleanliness and air quality of the clean area. When conducting settling bacteria detection in the clean area of a clean workshop, multiple sampling points usually need to be set in the clean room. For daily environmental monitoring, the settling bacteria petri dish is required to be placed at a height of 0.8m - 1.5m above the ground for testing. This requires a support rack for the petri dish. In the prior art, the support rack generally has a fixed height and cannot adjust the height, making it difficult to be applicable to multi-position testing at a height of 0.8m - 1.5m. Generally, multiple support racks with different heights need to be prepared, and the poor flexibility in use affects the convenience during use. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a liftable settling bacteria petri dish placement rack, which can drive the synchronous lifting of multiple telescopic tubes, has a large telescopic range and a wide application range, so as to achieve multi-position testing at different heights. At the same time, it is convenient to operate and has good convenience in use, and can effectively solve the problems in the background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a liftable settling bacteria petri dish placement rack, including a base and a driving component;

[0005] Base: A first support tube is installed in the middle of the upper surface thereof. A second support tube is slidably connected inside the first support tube. A third support tube is slidably connected inside the second support tube. A fourth support tube is slidably connected inside the third support tube. A tray is installed at the upper end of the fourth support tube.

[0006] Driving component: Used to drive the telescoping of the second support tube, the third support tube and the fourth support tube, which can drive the synchronous lifting of multiple telescopic tubes, has a large telescopic range and a wide application range, so as to achieve multi-position testing at different heights. At the same time, it is convenient to operate and has good convenience in use.

[0007] Further, the driving component includes a lead screw, a first threaded tube and a second threaded tube. The lead screw is rotatably connected inside the first support tube. The lead screw is threadedly connected to the lower end of the second support tube. The first threaded tube is rotatably connected inside the second support tube. The upper end of the lead screw is slidably connected to the first threaded tube. The first threaded tube is threadedly connected to the third support tube. The second threaded tube is rotatably connected inside the third support tube. The upper end of the first threaded tube is slidably connected to the second threaded tube. The second threaded tube is threadedly connected to the fourth support tube, which is convenient for controlling the telescoping of the second support tube, the third support tube and the fourth support tube.

[0008] Further, the driving assembly further includes a first slider and a first sliding groove. The lower ends inside the first threaded pipe and the second threaded pipe are both provided with a first slider. The outer arc surfaces of the lead screw and the first threaded pipe are both provided with a first sliding groove. The first sliders are all slidably connected to the adjacent first sliding groove on the right side, which can ensure that the first threaded pipe and the second threaded pipe rotate synchronously with the lead screw.

[0009] Further, a worm gear is provided at the lower end of the outer arc surface of the lead screw. The lower end of the first support pipe is rotatably connected with a worm. The worm is meshed with the worm gear, which is convenient for driving the rotation of the worm gear.

[0010] Further, a hand wheel is provided at the front end of the worm, which is convenient for controlling the rotation of the worm.

[0011] Further, the upper ends of the inner arc walls of the first support pipe, the second support pipe and the third support pipe are all provided with a second slider. The outer arc surfaces of the second support pipe, the third support pipe and the fourth support pipe are all provided with a second sliding groove. The second sliders are all slidably connected to the adjacent second sliding groove on the right side, which restricts the rotation of the second support pipe, the third support pipe and the third support pipe.

[0012] Further, an upper cover seat is provided on the right side of the lower surface of the tray, which is convenient for placing the dish cover.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present liftable sedimentation bacteria petri dish placement rack has the following advantages:

[0014] 1. By rotating the hand wheel, driving the rotation of the worm, and utilizing the matching effect of the worm and the worm gear, the lead screw and the two threaded pipes can be driven to rotate, and the multi-section telescopic pipes can be driven to lift synchronously, so as to achieve multi-position testing at different heights, with a wide range of use and convenient operation and good usability.

[0015] 2. The sedimentation bacteria support rod is threadedly connected to the base and the tray at the top and can be quickly disassembled, which is convenient for cleaning, sterilization and other operations. At the same time, the outer cover can be placed on the side during use, greatly improving the convenience during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is an enlarged structural diagram of part A of the present utility model;

[0018] Figure 3 is a sectional structural diagram of the driving assembly of the present utility model;

[0019] Figure 4 is an enlarged structural diagram of part B of the present utility model;

[0020] Figure 5Schematic cross-sectional structure diagram of the support tube three of the present utility model;

[0021] Figure 6 Schematic cross-sectional structure diagram of the threaded tube two of the present utility model.

[0022] In the figure: 1 base, 2 first support tube, 3 second support tube, 4 third support tube, 5 fourth support tube, 6 tray, 7 upper cover seat, 8 drive assembly, 81 lead screw, 82 first threaded tube, 83 second threaded tube, 84 first slider, 85 first chute, 9 worm gear, 10 worm, 11 handwheel, 12 second slider, 13 second chute. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0024] Please refer to Figure 1-6 , this embodiment provides a technical solution: a liftable sedimentation bacteria petri dish placement rack, including a base 1 and a drive assembly 8;

[0025] Base 1: A first support tube 2 is installed in the middle of its upper surface. The base 1 is threadedly connected to the first support tube 2 and can be disassembled. A second support tube 3 is slidably connected inside the first support tube 2. A third support tube 4 is slidably connected inside the second support tube 3. A fourth support tube 5 is slidably connected inside the third support tube 4. A tray 6 is installed at the upper end of the fourth support tube 5. The screw rod at the lower end of the tray 6 is threadedly connected to the upper end of the fourth support tube 5. The fourth support tube 5 drives the tray 6 to move up to a specified height and then stops. Then, the sedimentation bacteria dish is placed on the upper surface of the tray 6. The cover of the sedimentation bacteria dish is opened to expose the culture medium to the air. At the upper ends of the inner arc walls of the first support tube 2, the second support tube 3 and the third support tube 4, second sliders 12 are provided. Second chutes 13 are opened on the outer arc surfaces of the second support tube 3, the third support tube 4 and the fourth support tube 5. The second sliders 12 are all slidably connected to the adjacent second chutes 13 on the right. The second sliders 12 and the second chutes 13 limit the rotation of the second support tube 3 and the third support tube 4. An upper cover seat 7 is provided on the right side of the lower surface of the tray 6. The dish cover is placed inside the upper cover seat 7 on one side;

[0026] Driving assembly 8: It is used to drive the telescopic movement of the second support tube 3, the third support tube 4 and the fourth support tube 5. The driving assembly 8 includes a lead screw 81, a first threaded tube 82 and a second threaded tube 83. The lead screw 81 is rotatably connected to the inside of the first support tube 2. The lower end of the lead screw 81 is threadedly connected to the second support tube 3. The first threaded tube 82 is rotatably connected to the inside of the second support tube 3. The upper end of the lead screw 81 is slidably connected to the first threaded tube 82. The first threaded tube 82 is threadedly connected to the third support tube 4. The second threaded tube 83 is rotatably connected to the inside of the third support tube 4. The upper end of the first threaded tube 82 is slidably connected to the second threaded tube 83. The second threaded tube 83 is threadedly connected to the fourth support tube 5. The lead screw 81 pushes the threadedly connected second support tube 3 to slide upward along the first support tube 2. The second support tube 3 drives the rotatably connected first threaded tube 82 to slide upward along the lead screw 81. At the same time, the first threaded tube 82 drives the threadedly connected third support tube 4 to move upward along the second threaded tube 83. The third support tube 4 drives the rotatably connected second threaded tube 83 to move upward along the first threaded tube 82. The second threaded tube 83 drives the threadedly connected fourth support tube 5 to move upward along the third support tube 4. The driving assembly 8 further includes a first slider 84 and a first chute 85. The lower ends inside the first threaded tube 82 and the second threaded tube 83 are both provided with a first slider 84. The outer arc surfaces of the lead screw 81 and the first threaded tube 82 are both provided with a first chute 85. The first sliders 84 are all slidably connected to the adjacent first chute 85 on the right side. The lead screw 81 drives the first threaded tube 82 and the second threaded tube 83 to rotate through the connection relationship between the first slider 84 and the first chute 85. The lower end of the outer arc surface of the lead screw 81 is provided with a worm gear 9. The lower end of the first support tube 2 is rotatably connected to a worm 10. The worm 10 is meshed with the worm gear 9. The worm 10 drives the lead screw 81 to rotate through the worm gear 9. The front end of the worm 10 is provided with a handwheel 11. The worm 10 is rotated through the handwheel 11.

[0027] The working principle of a liftable sedimentation bacteria petri dish placing rack provided by the present utility model is as follows: During use, the worm 10 is rotated through the handwheel 11. The worm 10 drives the lead screw 81 to rotate through the worm gear 9. The lead screw 81 drives the first threaded tube 82 and the second threaded tube 83 to rotate through the connection relationship between the first slider 84 and the first chute 85. The lead screw 81 pushes the threadedly connected second support tube 3 to slide upward along the first support tube 2. The second support tube 3 drives the rotatably connected first threaded tube 82 to slide upward along the lead screw 81. At the same time, the first threaded tube 82 drives the threadedly connected third support tube 4 to move upward along the second threaded tube 83. The third support tube 4 drives the rotatably connected second threaded tube 83 to move upward along the first threaded tube 82. The second threaded tube 83 drives the threadedly connected fourth support tube 5 to move upward along the third support tube 4. The fourth support tube 5 drives the tray 6 to move up to a specified height and then stop. Then, the sedimentation bacteria dish is placed on the upper surface of the tray 6. The cover of the sedimentation bacteria dish is opened to expose the culture medium to the air. The dish cover is placed inside the upper cover seat 7 on one side.

[0028] The above are only embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included within the patent protection scope of the present utility model.

Claims

1. A liftable sedimentation bacteria petri dish placement rack, characterized in that: It includes a base (1) and a driving component (8); Base (1): In the middle of its upper surface, a first support tube (2) is installed. Inside the first support tube (2), a second support tube (3) is slidably connected. Inside the second support tube (3), a third support tube (4) is slidably connected. Inside the third support tube (4), a fourth support tube (5) is slidably connected. At the upper end of the fourth support tube (5), a tray (6) is installed; Driving component (8): It is used to drive the telescoping of the second support tube (3), the third support tube (4), and the fourth support tube (5).

2. The liftable sedimentation bacteria petri dish rack according to claim 1, wherein: The driving component (8) includes a lead screw (81), a first threaded tube (82), and a second threaded tube (83). The lead screw (81) is rotatably connected inside the first support tube (2). The lead screw (81) is threadedly connected to the lower end of the second support tube (3). The first threaded tube (82) is rotatably connected inside the second support tube (3). The upper end of the lead screw (81) is slidably connected to the first threaded tube (82). The first threaded tube (82) is threadedly connected to the third support tube (4). The second threaded tube (83) is rotatably connected inside the third support tube (4). The upper end of the first threaded tube (82) is slidably connected to the second threaded tube (83). The second threaded tube (83) is threadedly connected to the fourth support tube (5).

3. The liftable settling bacteria petri dish rack according to claim 2, characterized in that: The driving component (8) further includes a first slider (84) and a first chute (85). At the lower ends inside the first threaded tube (82) and the second threaded tube (83), first sliders (84) are provided. On the outer arc surfaces of the lead screw (81) and the first threaded tube (82), first chutes (85) are opened. The first sliders (84) are all slidably connected to the adjacent first chutes (85) on the right side.

4. The liftable sedimentation bacteria petri dish rack according to claim 2, characterized in that: At the lower end of the outer arc surface of the lead screw (81), a worm gear (9) is provided. At the lower end of the first support tube (2), a worm (10) is rotatably connected. The worm (10) is meshed with the worm gear (9).

5. The liftable sedimentation bacteria petri dish rack according to claim 4, wherein: At the front end of the worm (10), a handwheel (11) is provided.

6. The liftable sedimentation bacteria petri dish rack according to claim 1, wherein: At the upper ends of the inner arc walls of the first support tube (2), the second support tube (3), and the third support tube (4), second sliders (12) are provided. On the outer arc surfaces of the second support tube (3), the third support tube (4), and the fourth support tube (5), second chutes (13) are opened. The second sliders (12) are all slidably connected to the adjacent second chutes (13) on the right side.

7. A liftable sedimentation bacteria petri dish rack according to claim 1, characterized in that: On the right side of the lower surface of the tray (6), an upper cover seat (7) is provided.

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