Tripod of air sampler

Abstract

The utility model relates to the field of atmosphere sampling corollary equipment, in particular to an atmosphere sampler tripod which comprises a fixing table, three shells are rotatably mounted at the lower end of the fixing table, a conical rod is arranged at the lower end of each shell and rotatably connected with the corresponding shell through a fixing bolt, a placement groove is formed in the inner side of each shell, and the conical rod is rotatably connected with the corresponding shell through a fixing bolt. By arranging the shell, the placing groove, the conical rod, the fixing bolt, the limiting block and the like, in the working process, the conical rod part is adjusted to rotate around the fixing bolt part through mutual matching of the conical rod part, the fixing bolt part and the placing groove, the conical rod part is rotated into the placing groove, and therefore the folding effect between the shell and the conical rod is achieved; and meanwhile, the tip end of the cone rod is hidden through the containing groove, so that the protection effect is achieved, the position of the cone rod is limited through the limiting block, and the cone rod is prevented from being automatically disengaged from the shell.

Description

Technical Field

[0001] The utility model relates to the technical field of atmosphere sampling supporting equipment, in particular to an atmosphere sampler tripod. Background Art

[0002] Atmospheric samplers are widely used in industrial and mining labor safety, environmental monitoring, occupational disease prevention and control, college and university teaching and other units. Atmospheric samplers are usually used in conjunction with a tripod. The main function of the atmospheric sampler tripod is to provide a stable, height-adjustable support platform for placing atmospheric samplers or other related equipment. The height and stability can be adjusted as needed to ensure the accuracy and reliability of the sampler. The design of the tripod also helps to reduce the shaking of the sampler during work, thereby obtaining more accurate sampling data.

[0003] After searching, it was found that a Chinese patent with publication number CN213018668U discloses an atmospheric sampler tripod, which has an adjustment mechanism, in which an adjustment knob, an adjustment gear, a movable support rod and meshing teeth are provided. The adjustment mechanism is provided on one set of supporting feet. When in use, the adjustment knob is turned to make the movable support rod move in the inner cavity of the supporting foot, and then the device is adjusted to a level by observing whether a light beam is emitted from the through hole. The adjustment is convenient and accurate.

[0004] The existing tripod is usually adjusted by adjusting the extension and retraction of the tripod to adjust the height of the device, and the tripod cannot be folded, so that the device occupies a large space when stored. At the same time, the exposed tapered feet also pose certain safety hazards. Therefore, a new solution is needed to solve this problem. Utility Model Content

[0005] In view of the above background technology, the prior art has the shortcomings and defects that the device occupies a large space when stored and the tip cannot be stored, posing a safety hazard.

[0006] The utility model discloses an atmospheric sampler tripod, comprising a fixing platform, wherein three shells are rotatably mounted on the lower end of the fixing platform, a cone rod is arranged at the lower end of each shell, the cone rod is rotatably connected to the shell via a fixing bolt, and a placement groove is arranged on the inner side of the shell.

[0007] Furthermore, the shell includes shell one, shell two, and shell three, shell two is installed at the lower end of shell one, shell two and shell three are slidably arranged, and a fixing part is arranged between shell two and shell three.

[0008] Furthermore, the fixing member includes a screw, one end of which is fixedly mounted on the shell three, a slide groove is provided on the shell two, the screw is slidably arranged with the slide groove, a nut is provided on the screw, and the screw is threadedly connected with the nut.

[0009] Furthermore, a rack is provided on the second shell, and a slide plate is rotatably mounted on a side of the nut close to the second shell, and a latching tooth is provided on the slide plate, and the latching tooth is meshed with the rack.

[0010] Furthermore, a guide groove is arranged on the screw rod, and the slide plate is slidably arranged with the guide groove.

[0011] Furthermore, a spring is arranged inside the guide groove, one end of the spring is fixedly connected to the inner wall of the guide groove, and the other end of the spring is fixedly connected to the slide plate.

[0012] Furthermore, a limit block is provided on the shell, the inner side of the limit block is in contact with the cone rod, and a protrusion is installed on the upper part of the cone rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model is provided with a shell, a placement groove, a cone rod, a fixing bolt, a limit block and other components. During the working process, the cone rod component, the fixing bolt component and the placement groove cooperate with each other, the cone rod component is adjusted to rotate around the fixing bolt component, and the cone rod component is rotated into the placement groove, so as to achieve a folding effect between the shell and the cone rod. At the same time, the tip of the cone rod is hidden by the placement groove, so as to play a protective role. The position of the cone rod is limited by the limit block to prevent the cone rod from automatically separating from the shell.

[0015] 2. The utility model sets springs, latch teeth, racks, slide plates, nuts, screws and other components. During the working process, the screw components and nut components cooperate with each other, so as to fix the position between the second shell and the third shell. The slide plate component, the latch tooth component and the rack component cooperate with each other, so as to increase the connection stability between the second shell and the third shell. When the fixation is released, the spring component pushes the slide plate away from the rack component, so as to avoid the automatic meshing of the latch tooth and the rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the local structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 The enlarged schematic diagram at A in the middle;

[0020] Figure 4 It is a folding schematic diagram of the utility model.

[0021] In the figure: 1, fixing table; 2, shell; 201, shell one; 202, shell two; 203, shell three; 210, fixing piece; 211, screw; 212, slide groove; 213, nut; 214, rack; 215, slide plate; 216, latching tooth; 217, guide groove; 218, spring; 3, tapered rod; 4, placement groove; 5, fixing bolt; 6, bump; 7, limit block. DETAILED DESCRIPTION

[0022] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0023] See also Figure 1 , Figure 4 The atmospheric sampler tripod of the utility model comprises a fixing platform 1, which is used to install the atmospheric sampler. Three shells 2 are rotatably installed at the lower end of the fixing platform 1. A rubber pad is arranged between the shell 2 and the fixing platform 1. A cone rod 3 is arranged at the lower end of each shell 2. The cone rod 3 is rotatably connected to the shell 2 through a fixing bolt 5. A placement groove 4 is arranged on the inner side of the shell 2. When the device is folded and stored, the staff drives the cone rod 3 to rotate toward the placement groove 4 and puts the cone rod 3 into the placement groove 4, thereby realizing the folding between the shell 2 and the cone rod 3, reducing the occupied area of ​​the device when it is stored, and at the same time, the placement groove 4 hides the tip of the cone rod 3, thereby playing a protective role and improving the safety of the device.

[0024] like Figure 2As shown, the housing 2 includes a shell 1 201, a shell 202, and a shell 3 203. The shell 202 is installed at the lower end of the shell 1 201. The shell 202 and the shell 3 203 are slidably arranged. A fixing member 210 is arranged between the shell 202 and the shell 3 203. When adjusting the height of the fixing platform 1, the restriction of the fixing member 210 is first released, and then the shell 202 is adjusted to move on the shell 3 203. The shell 202 drives the fixing platform 1 to move through the shell 1 201, thereby adjusting the height of the fixing platform 1. After the fixing platform 1 is adjusted to a preset height, it is limited by the fixing member 210.

[0025] like Figure 2 , Figure 3 As shown, the fixing member 210 includes a screw 211, one end of which is fixedly mounted on the shell three 203, a slide groove 212 is provided on the shell two 202, the screw 211 and the slide groove 212 are slidably arranged, a nut 213 is provided on the screw 211, and the screw 211 and the nut 213 are threadedly connected, and the staff drives the nut 213 to rotate on the screw 211. When the nut 213 is away from the screw 211, the extrusion and fixation of the shell two 202 are released. At this time, the staff can drive the shell two 202 to slide on the shell three 203, and limit the moving direction and position of the shell two 202 by sliding the screw 211 in the slide groove 212, and squeeze and fix the shell two 202 by driving the nut 213 in the reverse direction to rotate, thereby fixing the position between the shell two 202 and the shell three 203.

[0026] In this embodiment, a rack 214 is provided on the shell 202, and a slide plate 215 is rotatably installed on the side of the nut 213 close to the shell 202. The slide plate 215 is provided with a latch tooth 216, and the latch tooth 216 engages with the rack 214. When the position between the shell 202 and the shell 3 203 is fixed, the slide plate 215 is driven to move by the nut 213, so that the latch tooth 216 on the slide plate 215 engages with the rack 214, thereby improving the fixing stability between the shell 202 and the shell 3 203 and preventing the shell 202 from sliding on the shell 3 203.

[0027] In this embodiment, a guide groove 217 is provided on the screw rod 211, and the slide plate 215 is slidably arranged with the guide groove 217. When the slide plate 215 moves, its moving direction is limited by the guide groove 217, thereby avoiding the rotation of the slide plate 215, thereby facilitating the engagement of the latch tooth 216 and the rack 214, and improving the efficiency during work.

[0028] In this embodiment, a spring 218 is provided inside the guide groove 217, one end of the spring 218 is fixedly connected to the inner wall of the guide groove 217, and the other end of the spring 218 is fixedly connected to the slide plate 215. When the nut 213 is separated from the slide plate 215, the spring 218 pushes the slide plate 215 away from the rack 214, thereby preventing the latching tooth 216 from automatically engaging with the rack 214.

[0029] like Figure 1 , Figure 4 As shown, a limit block 7 is provided on the shell 2, and the inner side of the limit block 7 is in contact with the cone rod 3. When the cone rod 3 is placed in the placement groove 4, the limit block 7 limits the position of the cone rod 3, thereby preventing the cone rod 3 from detaching from the shell 2, and improving the folding stability between the shell 2 and the cone rod 3. A protrusion 6 is installed on the upper part of the cone rod 3, and magnets are provided on the protrusion 6 and the shell 2. The protrusion 6 can limit the rotation of the cone rod 3, and the magnet can maintain the connection stability between the cone rod 3 and the shell 2, thereby preventing the shell 2 and the cone rod 3 from automatically separating.

[0030] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. An atmospheric sampler tripod, comprising a fixing platform (1), characterized in that: Three outer shells (2) are rotatably mounted on the lower end of the fixed platform (1), and a cone rod (3) is provided at the lower end of each outer shell (2). The cone rod (3) is rotatably connected to the outer shell (2) via a fixing bolt (5), and a placement groove (4) is provided on the inner side of the outer shell (2).

2. An atmospheric sampler tripod according to claim 1, characterized in that: The housing (2) comprises a shell body 1 (201), a shell body 2 (202), and a shell body 3 (203); the shell body 2 (202) is mounted at the lower end of the shell body 1 (201); the shell body 2 (202) and the shell body 3 (203) are slidably arranged; a fixing member (210) is arranged between the shell body 2 (202) and the shell body 3 (203).

3. An atmospheric sampler tripod according to claim 2, characterized in that: The fixing member (210) comprises a screw rod (211), one end of which is fixedly mounted on the shell body three (203), a slide groove (212) is provided on the shell body two (202), the screw rod (211) and the slide groove (212) are slidably arranged, a nut (213) is provided on the screw rod (211), and the screw rod (211) and the nut (213) are threadedly connected.

4. The atmospheric sampler tripod according to claim 3, characterized in that: The second shell (202) is provided with a rack (214), and a slide plate (215) is rotatably mounted on a side of the nut (213) close to the second shell (202), and a latching tooth (216) is provided on the slide plate (215), and the latching tooth (216) is meshed with the rack (214).

5. An atmospheric sampler tripod according to claim 4, characterized in that: The screw rod (211) is provided with a guide groove (217), and the slide plate (215) is slidably arranged with the guide groove (217).

6. An atmospheric sampler tripod according to claim 5, characterized in that: A spring (218) is arranged inside the guide groove (217), one end of the spring (218) is fixedly connected to the inner wall of the guide groove (217), and the other end of the spring (218) is fixedly connected to the slide plate (215).

7. The atmospheric sampler tripod according to claim 1, characterized in that: A limit block (7) is provided on the housing (2), the inner side of the limit block (7) is in contact with the cone rod (3), and a protrusion (6) is installed on the upper part of the cone rod (3).

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