Underground pipeline monitoring terminal with stable connection
The combination structure of screw, nut and locking bracket solves the problem of loosening of monitoring terminal due to temperature changes, realizes stable installation and convenient disassembly, and simplifies the maintenance process.
Patent Information
- Application Number
- CN202521093424.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-05-30
AI Technical Summary
When existing monitoring terminals are installed on the cement pipes of the maintenance well using expansion bolts, they are prone to loosening due to changes in ambient temperature, and disassembly and maintenance are inconvenient.
The structure employs a screw, nut, and locking bracket, achieving a stable connection of the mounting base through threaded engagement, and using a spring to move the cover and locking bracket for limiting. During maintenance, the springs of the fixing pin and pull ring plate drive the limiting pin to slide into the connecting ear for quick disassembly.
It enables stable installation and convenient disassembly of monitoring terminals, solves the loosening problem caused by temperature changes, and simplifies the maintenance process.
Smart Images

Figure CN223782619U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to underground pipeline monitoring terminal technical field, concretely is a kind of underground pipeline monitoring terminal of stable connection. BACKGROUND
[0002] Underground pipeline needs to be monitored by monitoring terminal in the process of working, according to the underground pipe network monitoring terminal of patent authorized announcement number: CN220323768U, the application provides a kind of underground pipe network monitoring terminal, belongs to underground pipe network monitoring technical field.The underground pipe network monitoring terminal, including STM32 microcontroller module, voltage conversion module, MOS tube on-off module, storage module, RS485 communication module and NB-IoT communication module.The utility model reads the collection data of sensor by Modbus protocol, microcontroller converts Modbus protocol into HJ212-2017 protocol, then data is uploaded to monitoring center using NB-IoT communication technology;
[0003] But the monitoring terminal in prior art is generally installed in the inside of manhole by expansion bolt, manhole is generally made of cement pipe, expansion bolt is installed to monitoring terminal, when ambient temperature drops, cement pipe expands when heated and shrinks when cooled, expansion bolt is prone to loosen, causing unstable installation of monitoring terminal, and monitoring terminal is more troublesome to disassemble and repair when damaged by expansion bolt.Therefore, the prior art needs to be improved. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of underground pipeline monitoring terminal of stable connection, solve the problem that monitoring device is not stable after expansion bolt installation and cement pipe thermal expansion and contraction and monitoring device is not easy to disassemble and repair.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of underground pipeline monitoring terminal of stable connection, including cement pipe, the inside of the cement pipe is installed with mounting seat, the outside of the mounting seat is fixedly connected with mounting bracket, the inside of the mounting bracket is slidably connected with monitoring device, the outside of the monitoring device is fixedly connected with two symmetrical distribution's connecting lug, the mounting bracket is provided with maintenance mechanism, the inside of the cement pipe is slidably connected with screw rod, the outside of the screw rod is connected with nut by screw thread, the upper and lower ends of the mounting seat are all fixedly connected with square pole frame, the front of the square pole frame is fixedly connected with guide nail, the outside of the square pole frame is slidably connected with moving cover, the outside of the moving cover is fixedly connected with locking frame, the outside of the guide nail is provided with spring one.
[0006] Preferably, the connecting lug is slidably connected with the mounting bracket, and the lower end of the monitoring device is provided with a data line.The connecting lug can limit the monitoring device.
[0007] Preferably, the screw is slidably connected to the mounting base, and the nut is slidably in contact with the mounting base, wherein the nut can limit the position of the mounting base.
[0008] Preferably, one end of the spring is fixedly connected to the movable cover, and the other end of the spring is fixedly connected to the guide pin. The spring can drive the movable cover to automatically reset.
[0009] Preferably, the movable cover is slidably connected to the mounting base, the locking frame is slidably connected to the nut, the locking frame is in contact with the mounting base, and the locking frame can limit the nut.
[0010] Preferably, the maintenance mechanism includes fixing nails, and two symmetrically distributed fixing nails are fixedly connected to the outer side of the mounting bracket. A pull ring plate is slidably connected to the outer side of the fixing nails, and a limit post is fixedly connected to the outer side of the pull ring plate. A second spring is provided on the outer side of the fixing nails. The pull ring plate is in slidable contact with the connecting ear, and the limit post is in contact with both the connecting ear and the mounting bracket. The limit post can limit the connection ear.
[0011] Preferably, one end of the second spring is fixedly connected to the pull ring plate, and the other end of the second spring is fixedly connected to the fixing nail. The second spring can automatically reset the pull ring plate through its elastic force.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model adds a screw, nut and locking frame inside the cement pipe. During use, the mounting base can be installed through the threaded engagement between the screw and nut. At the same time, the locking frame is moved to the outside of the nut by the moving cover to limit the nut, thereby making the installation of the mounting base and the monitor more stable.
[0014] 2. This utility model adds a fixing nail, a pull ring plate, and a limiting post to the mounting bracket. During use, the limiting post on the outside of the pull ring plate can be slid into the connecting ear and the mounting bracket by the elastic force of the second spring. The monitor can then be installed through the connecting ear. When it is necessary to disassemble the monitor, simply disengage the limiting post from the connecting ear to engage the limiting position on the monitor, thus making the monitor easier to disassemble and repair. Attached Figure Description
[0015] Figure 1 This is a perspective view of the overall structure of this utility model;
[0016] Figure 2 For the present utility model Figure 1 A three-dimensional sectional view;
[0017] Figure 3 For the present utility model Figure 2 Enlarged view of the A-section structure;
[0018] Figure 4 For the present utility model Figure 2 Enlarged view of the structure of section B;
[0019] Figure 5 For the present utility model Figure 3 A three-dimensional enlarged view of the square pole frame;
[0020] Figure 6 For the present utility model Figure 3 A 3D magnified view of the locking frame.
[0021] In the diagram: 1. Cement pipe; 2. Mounting base; 3. Mounting bracket; 4. Monitor; 5. Data cable; 6. Connecting ear; 7. Maintenance mechanism; 8. Screw; 9. Nut; 10. Square rod frame; 11. Guide pin; 12. Moving cover; 13. Locking bracket; 14. Spring 1; 71. Fixing pin; 72. Pull ring plate; 73. Limiting post; 74. Spring 2. Detailed Implementation
[0022] 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.
[0023] Please see Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 A stable underground pipeline monitoring terminal includes a cement pipe 1, an installation base 2 installed inside the cement pipe 1, an installation frame 3 fixedly connected to the outside of the installation base 2, a monitor 4 slidably connected inside the installation frame 3, two symmetrically distributed connecting ears 6 fixedly connected to the outside of the monitor 4, a maintenance mechanism 7 provided on the installation frame 3, a screw 8 slidably connected inside the cement pipe 1, a nut 9 threadedly connected to the outside of the screw 8, square rod frames 10 fixedly connected to both the upper and lower ends of the installation base 2, a guide pin 11 fixedly connected to the front of the square rod frame 10, a movable cover 12 slidably connected to the outside of the square rod frame 10, a locking frame 13 fixedly connected to the outside of the movable cover 12, and a spring 14 provided on the outside of the guide pin 11.
[0024] Please see Figure 1 , Figure 2 , Figure 3 ,Figure 5 , Figure 6 The connecting ear 6 is slidably connected to the mounting bracket 3. The lower end of the monitor 4 is equipped with a data cable 5. The connecting ear 6 can limit the position of the monitor 4. The screw 8 is slidably connected to the mounting base 2. The nut 9 is slidably in contact with the mounting base 2. The nut 9 can limit the position of the mounting base 2. One end of the spring 14 is fixedly connected to the movable cover 12. The other end of the spring 14 is fixedly connected to the guide pin 11. The spring 14 can drive the movable cover 12 to automatically reset. The movable cover 12 is slidably connected to the mounting base 2. The locking bracket 13 is slidably connected to the nut 9. The locking bracket 13 is in contact with the mounting base 2. The locking bracket 13 can limit the position of the nut 9.
[0025] Please see Figure 1 , Figure 2 , Figure 4 The maintenance mechanism 7 includes fixing pins 71. Two symmetrically distributed fixing pins 71 are fixedly connected to the outer side of the mounting bracket 3. Pull ring plates 72 are slidably connected to the outer side of the fixing pins 71. Limiting posts 73 are fixedly connected to the outer side of the pull ring plates 72. A second spring 74 is provided on the outer side of the fixing pins 71. The pull ring plates 72 are in slidable contact with the connecting ears 6. The limiting posts 73 are in contact with both the connecting ears 6 and the mounting bracket 3. The limiting posts 73 can limit the connecting ears 6. One end of the second spring 74 is fixedly connected to the pull ring plates 72, and the other end of the second spring 74 is fixedly connected to the fixing pins 71. The second spring 74 can automatically reset the pull ring plates 72 through elastic force.
[0026] The specific implementation process of this utility model is as follows: When in use, slide the mounting base 2 to the outside of the screw 8 pre-embedded inside the cement pipe 1, and then pull the movable cover 12. The movable cover 12 moves the locking frame 13 while compressing the spring 14. When the movable cover 12 is disengaged from the square rod frame 10, the movable cover 12 can be rotated so that the locking frame 13 is disengaged from the current range. Then tighten the nut 9 on the outside of the screw 8. After tightening, rotate the movable cover 12 to reset. After the movable cover 12 is reset, loosen the movable cover 12 and the spring 14 is reset. The spring 14 can use its elasticity to drive the locking frame 13 on the outside of the movable cover 12 to slide to the outside of the nut 9, so as to limit the nut 9, thereby making the installation of the mounting base 2 more stable.
[0027] When the monitor 4 needs to be disassembled and repaired, pull the pull ring plate 72. The pull ring plate 72 drives the limit post 73 to move and compresses the spring 74. When the limit post 73 disengages from the connecting ear 6, the limit on the monitor 4 can be released, and then the monitor 4 can be easily taken out from the inside of the mounting bracket 3, which makes the monitor 4 easier to repair.
[0028] 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. A stable underground pipeline monitoring terminal, comprising a cement pipe (1), characterized in that: The cement pipe (1) is equipped with a mounting base (2) inside. The mounting base (2) is fixedly connected to a mounting frame (3) on the outside. The mounting frame (3) is slidably connected to a monitor (4) inside. The monitor (4) is fixedly connected to two symmetrically distributed connecting ears (6) on the outside. The mounting frame (3) is equipped with a maintenance mechanism (7). The cement pipe (1) is slidably connected to a screw (8). The screw (8) is connected to a nut (9) by a thread on the outside. The upper and lower ends of the mounting base (2) are fixedly connected to square rod frames (10). The front of the square rod frame (10) is fixedly connected to a guide pin (11). The outside of the square rod frame (10) is slidably connected to a movable cover (12). The outside of the movable cover (12) is fixedly connected to a locking frame (13). The outside of the guide pin (11) is equipped with a spring (14).
2. The underground pipeline monitoring terminal with stable connection according to claim 1, characterized in that: The connecting ear (6) is slidably connected to the mounting bracket (3), and a data cable (5) is installed at the lower end of the monitor (4).
3. The underground pipeline monitoring terminal with stable connection according to claim 1, characterized in that: The screw (8) is slidably connected to the mounting base (2), and the nut (9) is slidably in contact with the mounting base (2).
4. The underground pipeline monitoring terminal with stable connection according to claim 1, characterized in that: One end of the spring (14) is fixedly connected to the movable cover (12), and the other end of the spring (14) is fixedly connected to the guide pin (11).
5. A stable underground pipeline monitoring terminal according to claim 1, characterized in that: The movable cover (12) is slidably connected to the mounting base (2), the locking frame (13) is slidably connected to the nut (9), and the locking frame (13) is in contact with the mounting base (2).
6. The underground pipeline monitoring terminal with stable connection according to claim 1, characterized in that: The maintenance mechanism (7) includes a fixing nail (71). Two symmetrically distributed fixing nails (71) are fixedly connected to the outside of the mounting bracket (3). A pull ring plate (72) is slidably connected to the outside of the fixing nail (71). A limit post (73) is fixedly connected to the outside of the pull ring plate (72). A spring (74) is provided on the outside of the fixing nail (71). The pull ring plate (72) is in sliding contact with the connecting ear (6). The limit post (73) is in contact with both the connecting ear (6) and the mounting bracket (3).
7. A stable underground pipeline monitoring terminal according to claim 6, characterized in that: One end of the second spring (74) is fixedly connected to the pull ring plate (72), and the other end of the second spring (74) is fixedly connected to the fixing nail (71).
Citation Information
Patent Citations
Underground pipe network monitoring terminal
CN220323768U