An environmental detection multi-point sampling device
By using a rotating rod system and support rod structure that connect the rotating rod to the active bevel gear, the problems of synchronous adjustment and ground contamination in existing devices are solved, enabling convenient synchronous adjustment and high-precision sampling of the sampling tube.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUNSHAN WATER SUPPLY & DRAINAGE WATER QUALITY TESTING CENT CO LTD
- Filing Date
- 2025-05-27
- Publication Date
- 2026-07-07
AI Technical Summary
Existing environmental monitoring multi-point sampling devices cannot adjust four sampling tubes simultaneously, making them inconvenient to use. Furthermore, the lack of a support structure leads to the sampling tubes touching the ground and becoming contaminated, affecting sampling accuracy.
A rotating rod system was designed, which is connected to a rotating rod and an active bevel gear to drive four screws to rotate synchronously, thereby achieving synchronous adjustment of the sampling tube. The support rod and locking structure prevent the sampling tube from touching the ground, ensuring stability and accuracy.
It enables convenient and synchronous adjustment of the four sampling tubes, avoids contamination from the sampling tubes touching the ground, and improves the ease of use and sampling accuracy of the device.
Smart Images

Figure CN224471283U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of environmental monitoring and sampling technology, specifically to a multi-point sampling device for environmental monitoring. Background Technology
[0002] Environmental monitoring sometimes requires simultaneous sampling at multiple points to calculate the average, ensuring the accuracy of the sampling and improving the quality of environmental monitoring.
[0003] A search revealed that the existing technology, specifically the authorized patent CN222618304U, discloses an environmental monitoring multi-point sampling device. This device includes a pull-out assembly for applying force and a frame assembly for supporting the outer portion. The frame assembly is equipped with several collection components for sliding adjustment of the sampling position and suction sampling. The pull-out assembly is inserted into the middle of the frame assembly. The frame assembly includes a fixed frame, which is radially oriented. Each radial arm of the fixed frame has graduation lines, and a support tube is located in the middle of the fixed frame. The collection components include a slide, with a first locking pin installed behind the slide. This utility model's environmental monitoring multi-point sampling device increases the applicability of sampling by adjusting the sampling position and suction sampling; it increases the convenience of adjustment by sliding adjustment of the sampling position; and it ensures the simultaneity of multi-point sampling through the combination of a ball joint support and a pull-out cable.
[0004] However, the above technical solution still has the following shortcomings when in use: When adjusting the position of the four sampling tubes, the above device needs to adjust the four sampling tubes one by one, and cannot adjust the four sampling tubes simultaneously, which reduces the convenience of using the device. In addition, the above device lacks a support structure, which makes it easy for the bottom of the four sampling tubes to touch the ground when the device is placed, causing contamination and affecting the sampling accuracy. Utility Model Content
[0005] The purpose of this invention is to provide a multi-point sampling device for environmental monitoring to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a multi-point sampling device for environmental monitoring, comprising:
[0007] The base is a circular cavity. Four annularly spaced fixing rods are fixedly welded to the outer wall of the base. A sliding groove is formed on the top wall of each fixing rod, and a screw is rotatably installed in the sliding groove. A movable seat is threaded onto the screw and slidably connected to the sliding groove. A connecting block is fixedly welded to the top wall of the movable seat, and a mounting seat is fixedly welded to one end of the connecting block. A sampling tube is installed on the mounting seat. A pull-out mechanism is provided on the top wall of the base, and four pull-out lines are installed on the pull-out mechanism. The four pull-out lines are respectively fixedly connected to the piston rods of the four sampling tubes. One end of each of the four screws extends into the inner cavity of the base and is fixedly installed with a driven bevel gear. A rotating rod is rotatably installed on the bottom wall of the base, and a driving bevel gear is fixedly installed at the top of the rotating rod. The driving bevel gear is meshed with all four driven bevel gears.
[0008] Preferably, a rotating rod is fixedly welded to the bottom end of the rotating rod, and a limiting wheel is fixedly welded to the surface of the rotating rod above the rotating rod. Anti-slip texture is provided on the outer side wall of the limiting wheel.
[0009] Preferably, a fixed seat is fixedly welded to the bottom wall of the base, and a stud is threadedly connected to the fixed seat through a threaded hole. A locking block is rotatably installed on one end of the stud near the limiting wheel, and a guide post is fixedly welded to the locking block. The guide post is slidably connected to the fixed seat.
[0010] Preferably, a portal-shaped seat is fixedly welded to the bottom wall of the outer end of each of the four fixing rods, a locking stud is fixedly welded to the portal-shaped seat, a support rod is rotatably connected to the locking stud, and a locking cap is threaded to the outer end of the locking stud.
[0011] Preferably, a turning wheel is fixedly installed on the outer end of the stud.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This utility model features a rotating rod that can rotate. When the rotating rod rotates, it can drive four screws to rotate synchronously through the meshing connection between the active bevel gear and four driven bevel gears. This causes four moving seats to slide synchronously in the slide groove. The moving seats can drive the mounting seats to move through the connecting block, achieving the effect of synchronous adjustment of the four sampling tubes. This greatly improves the convenience of adjusting the four sampling tubes. After adjustment, the stud can be rotated forward, causing the locking block to press against the limit wheel under the guidance of the guide post, thereby locking and fixing the rotating rod to prevent accidental rotation due to accidental contact and ensuring the stability of the sampling tubes.
[0014] 2. The support rods in this utility model can be flipped on the locking studs to be perpendicular to the fixed rods. Then, by turning the locking cap forward, the portal seat can be squeezed, so that the portal seat clamps and fixes the support rods. This allows the support rods to support the entire device, preventing the four sampling tubes from touching the ground and causing contamination when the device needs to be placed, thus ensuring the accuracy of sampling. During sampling, the four support rods can be folded up on the bottom wall of the four fixed rods to avoid hindering the sampling operation. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of an environmental monitoring multi-point sampling device proposed in this utility model;
[0016] Figure 2 This is a bottom-view three-dimensional structural diagram of the environmental monitoring multi-point sampling device proposed in this utility model;
[0017] Figure 3 This is a cross-sectional front view of the base in an environmental monitoring multi-point sampling device proposed in this utility model;
[0018] Figure 4 This utility model proposes a multi-point sampling device for environmental monitoring. Figure 2 Enlarged structural diagram at point A in the middle.
[0019] In the diagram: 1. Base; 2. Fixed rod; 3. Slide groove; 4. Screw; 5. Moving seat; 6. Connecting block; 7. Mounting seat; 8. Sampling tube; 9. Pull-out mechanism; 10. Pull-out line; 11. Driven bevel gear; 12. Rotating rod; 13. Driving bevel gear; 14. Rotating rod; 15. Limiting wheel; 16. Fixed seat; 17. Stud; 18. Locking block; 19. Guide post; 20. Portal seat; 21. Locking stud; 22. Support rod; 23. Locking cap; 24. Twisting wheel. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-4 This utility model provides a technical solution: a multi-point sampling device for environmental monitoring, comprising:
[0022] The base 1 is a circular cavity. Four annularly spaced fixing rods 2 are fixedly welded to the outer wall of the base 1. A sliding groove 3 is formed on the top wall of each fixing rod 2. A screw 4 is rotatably installed within the sliding groove 3. A movable seat 5 is threaded onto the screw 4 and slidably connected to the sliding groove 3. A connecting block 6 is fixedly welded to the top wall of the movable seat 5. A mounting base 7 is fixedly welded to one end of the connecting block 6. A sampling tube 8 is mounted on the mounting base 7. A pull-out mechanism is provided on the top wall of the base 1. Mechanism 9, the pull-out mechanism 9 is a publicly disclosed technology, and its detailed structure will not be described in detail. The pull-out mechanism 9 is equipped with four pull-out wires 10, which are respectively fixedly connected to the piston rods of the four sampling tubes 8. One end of each of the four screws 4 extends into the inner cavity of the base 1 and is fixedly installed with a driven bevel gear 11. A rotating rod 12 is rotatably installed on the bottom wall of the base 1. A driving bevel gear 13 is fixedly installed at the top of the rotating rod 12. The driving bevel gear 13 is meshed with the four driven bevel gears 11.
[0023] A rotating rod 14 is fixedly welded to the bottom end of the rotating rod 12. A limiting wheel 15 is fixedly welded to the surface of the rotating rod 12 above the rotating rod 14. Anti-slip texture is provided on the outer side wall of the limiting wheel 15. The rotating rod 14 is used to rotate the rotating rod 12 by turning it, and the limiting wheel 15 is used to lock and fix the rotating rod 12.
[0024] A fixed base 16 is fixedly welded to the bottom wall of the base 1. A stud 17 is threadedly connected to the fixed base 16 through a threaded hole. A locking block 18 is rotatably installed on one end of the stud 17 near the limiting wheel 15. A guide post 19 is fixedly welded to the locking block 18. The guide post 19 is slidably connected to the fixed base 16. When the stud 17 is rotated in the forward direction, the locking block 18 can be driven to press against the limiting wheel 15 under the guidance of the guide post 19, thereby locking and fixing the rotating rod 12 to prevent it from rotating accidentally due to accidental contact.
[0025] A portal-shaped seat 20 is fixedly welded to the bottom wall of the outer end of each of the four fixed rods 2. A locking stud 21 is fixedly welded to the portal-shaped seat 20. A support rod 22 is rotatably connected to the locking stud 21. A locking cap 23 is threaded to the outer end of the locking stud 21. The support rod 22 can be rotated on the locking stud 21 to be perpendicular to the fixed rod 2. Then, by turning the locking cap 23 forward, the portal-shaped seat 20 can be squeezed, so that the portal-shaped seat 20 clamps and fixes the support rod 22. This allows the support rod 22 to support the entire device, preventing the four sampling tubes 8 from touching the ground and causing contamination when the device needs to be placed, thus ensuring the accuracy of sampling. During sampling, the four support rods 22 can be folded up on the bottom wall of the four fixed rods 2 to avoid hindering the sampling operation.
[0026] A turning wheel 24 is fixedly installed on the outer end of the stud 17, which facilitates the turning of the stud 17.
[0027] Working principle: This utility model allows the rotating rod 12 to be rotated via the rotating rod 14. When the rotating rod 12 rotates, it drives the four screws 4 to rotate synchronously through the meshing connection between the active bevel gear 13 and the four driven bevel gears 11. This, in turn, drives the four moving seats 5 to slide synchronously in the slide groove 3. The moving seats 5 can drive the mounting seat 7 to move through the connecting block 6, thus achieving the effect of synchronous adjustment of the four sampling tubes 8. This greatly improves the convenience of adjusting the four sampling tubes 8. After adjustment, the stud 17 can be rotated forward, causing the locking block 18 to be pressed against the limit wheel under the guidance of the guide post 19. 15. This locks and fixes the rotating rod 12, preventing it from rotating accidentally due to accidental contact and ensuring the stability of the sampling tube 8. The support rod 22 can be flipped on the locking stud 21 to be perpendicular to the fixing rod 2. Then, by turning the locking cap 23 forward, the gate-shaped seat 20 can be squeezed, so that the gate-shaped seat 20 clamps and fixes the support rod 22, allowing the support rod 22 to support the entire device. This prevents the four sampling tubes 8 from touching the ground and causing contamination when the device needs to be placed, ensuring the accuracy of sampling. During sampling, the four support rods 22 can be stacked on the bottom wall of the four fixing rods 2 to avoid hindering the sampling operation.
[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An environmental monitoring multi-point sampling device, characterized in that, include: The base (1) is a circular cavity. Four annularly distributed fixing rods (2) are fixedly welded to the outer wall of the base (1). A sliding groove (3) is provided on the top wall of the fixing rod (2). A screw (4) is rotatably installed in the sliding groove (3). A movable seat (5) is threaded onto the screw (4). The movable seat (5) is slidably connected in the sliding groove (3). A connecting block (6) is fixedly welded to the top wall of the movable seat (5). A mounting seat (7) is fixedly welded to one end of the connecting block (6). A sampling tube (8) is installed on the mounting seat (7). A pull-out mechanism (9) is provided on the top wall of the base (1). Four pull-out wires (10) are installed on the pull-out mechanism (9). The four pull-out wires (10) are respectively fixedly connected to the piston rods of the four sampling tubes (8). One end of the four screws (4) extends into the inner cavity of the base (1) and each is fixedly installed with a driven bevel gear (11). A rotating rod (12) is rotatably installed on the bottom wall of the base (1). An active bevel gear (13) is fixedly installed at the top of the rotating rod (12). The active bevel gear (13) is meshed with the four driven bevel gears (11).
2. The environmental monitoring multi-point sampling device according to claim 1, characterized in that: A rotating rod (14) is fixedly welded to the bottom end of the rotating rod (12). A limiting wheel (15) is fixedly welded to the surface of the rotating rod (12) above the rotating rod (14). Anti-slip textures are provided on the outer side wall of the limiting wheel (15).
3. The environmental monitoring multi-point sampling device according to claim 2, characterized in that: A fixed seat (16) is fixedly welded to the bottom wall of the base (1). A stud (17) is threadedly connected to the fixed seat (16) through a threaded hole. A locking block (18) is rotatably installed on one end of the stud (17) near the limiting wheel (15). A guide post (19) is fixedly welded to the locking block (18). The guide post (19) is slidably connected to the fixed seat (16).
4. The environmental monitoring multi-point sampling device according to claim 1, characterized in that: A portal frame seat (20) is fixedly welded to the bottom wall of the outer end of each of the four fixed rods (2). A locking stud (21) is fixedly welded to the portal frame seat (20). A support rod (22) is rotatably connected to the locking stud (21). A locking cap (23) is threaded to the outer end of the locking stud (21).
5. The environmental monitoring multi-point sampling device according to claim 3, characterized in that: A turning wheel (24) is fixedly installed on the outer end of the stud (17).