Anti-theft well lid for underground water shut-in pressure
By designing a split anti-theft manhole cover, the problem of inconvenient maintenance of manhole covers in the existing technology is solved, higher flexibility and anti-theft performance are achieved, and the maintenance efficiency of groundwater shut-off is improved.
Patent Information
- Application Number
- CN202421318505.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-11
AI Technical Summary
The existing integrated anti-theft manhole cover is not convenient enough when maintaining or replacing parts, which affects the efficiency of groundwater shut-off maintenance work.
A split anti-theft manhole cover is designed, including a fixed plate body, a manhole cover body, a support frame, a circular cover plate and an opening regulator. Through the structural design of the linkage shaft and long strip plate, the metal plate body is embedded and locked, improving the flexibility and anti-theft performance of the manhole cover.
This design improves the flexibility of the manhole cover, facilitates disassembly, assembly, repair and replacement of metal frames and metal plates, and improves anti-theft performance and use efficiency.
Smart Images

Figure CN222575566U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti-theft manhole covers, in particular to an anti-theft manhole cover for underground water shut-off pressure. Background Art
[0002] Manhole covers are used to close the wellheads. They are widely used in urban streets, residential areas, industrial parks and other places to hide or protect the wellheads and prevent accidental falls or damage to underground facilities. Under the wellheads may be connected to urban infrastructure such as sewers, power cables, water supply pipelines, gas pipelines, and communication lines. The main function of manhole covers is to ensure the safety of underground facilities and the smoothness of the roads.
[0003] At present, the anti-theft manhole cover used for groundwater well shut-in usually consists of a supporting frame and a circular cover plate, which are connected by a hinge to form a solid one-piece structure. This design has excellent anti-theft performance and can effectively prevent the manhole cover from being illegally removed or stolen. However, the existing one-piece anti-theft manhole cover has some shortcomings in practical applications. Since the manhole cover and the frame are fixedly connected, this limits the flexibility of disassembling, repairing or replacing the manhole cover or frame. This design is not convenient when maintenance or replacement of parts is required, which may affect the efficiency of groundwater well shut-in maintenance work.
[0004] Based on this, we propose a groundwater well shut-off pressure using an anti-theft manhole cover to solve the above-mentioned problems. Utility Model Content
[0005] In order to improve the above-mentioned problems, the utility model provides an anti-theft manhole cover for shutting off the well pressure of groundwater.
[0006] The utility model provides an anti-theft manhole cover for shutting off the well pressure of underground water, and adopts the following technical scheme: an anti-theft manhole cover for shutting off the well pressure of underground water, comprising a fixed plate body and a manhole cover body, the manhole cover body is mounted on the top of the fixed plate body, the manhole cover body comprises a supporting frame, the supporting frame is fixedly mounted on the middle part of the top of the fixed plate body, the top of the supporting frame is connected with a circular cover plate, and the top of the circular cover plate is also provided with an opening regulator;
[0007] The support frame comprises a metal frame, a through slot is formed in the middle of the metal frame, and retaining rings are arranged around the inner wall of the through slot;
[0008] The circular cover plate comprises a metal plate body, and carrying handles are respectively arranged on both sides of the top of the metal plate body, and a linkage shaft is rotatably connected to the middle part of the metal plate body.
[0009] As a kind of underground water well shut-off pressure adopting anti-theft manhole cover described in the utility model, wherein: the top of the retaining ring is provided with a first annular retaining groove around, and the inner wall of the retaining ring is also provided with positioning grooves on both sides.
[0010] As a kind of groundwater well shut-off pressure anti-theft manhole cover described in the utility model, wherein: one end of the linkage shaft is provided with a cross slot, the end of the linkage shaft away from the cross slot is installed with a fixed cover, and long strips are respectively connected to both sides of the fixed cover.
[0011] As an anti-theft manhole cover for shutting off underground water pressure, the utility model comprises: the long strip plate matches the positioning slot structure, and the long strip plate and the positioning slot are plug-in and slidingly matched.
[0012] As an anti-theft manhole cover for shutting off underground water pressure in the utility model, a second annular retaining groove is provided around one side of the metal plate body close to the long strip plate, and the second annular retaining groove matches the first annular retaining groove structure.
[0013] As a kind of groundwater shut-off pressure adopts anti-theft manhole cover described in the utility model, wherein: the opening regulator includes a holding rod, one end of the holding rod is installed with a cross plug, the cross plug matches the cross slot structure, and the cross plug and the cross slot are plug-in fit.
[0014] In summary, the present invention has at least one of the following beneficial effects:
[0015] 1. The manhole cover body designed in this scheme is mainly composed of a supporting frame, a circular cover plate and an opening regulator, wherein the circular cover plate is designed to match the second annular retaining groove with the first annular retaining groove structure, so that the metal plate body can be embedded and connected to the top of the metal frame body. This scheme uses a linkage shaft that is rotatably connected in the middle of the metal plate body, and the linkage shaft is composed of a cross slot, a fixed cover and a long strip plate. Through the structural design of the plug-in fit between the cross plug and the cross slot, the opening regulator can be inserted and connected to the top of the linkage shaft, and the two sets of long strip plates installed at one end of the linkage shaft can be driven to rotate by rotating the opening regulator. When the metal plate body is embedded and connected to the top of the metal frame, because the long strip plate matches the positioning card slot structure, and the long strip plate and the positioning card slot are plug-in and slidably matched, the long strip plate can be connected to the inside of the positioning card slot, and then the long strip plate can be rotated and adjusted to a certain angle by the opening regulator, so that the long strip plate can be limited inside the positioning card slot, and the metal plate body embedded and connected to the top of the metal frame can be locked and fixed;
[0016] 2. From the above, it can be seen that the manhole cover body designed in this scheme adopts a split structural design, and the metal frame and metal plate body can be disassembled, connected, repaired and replaced according to the usage situation, which can effectively improve the flexibility of the manhole cover body in the field of anti-theft manhole cover technology. Through the structural design of the opening regulator, the metal plate body embedded in the top of the metal frame can be locked, which can improve the stability of the connection between the metal plate body and the metal frame, prevent outsiders from accidentally opening the groundwater well, and prevent the metal plate body from being stolen by others. Therefore, the staff of the groundwater well only need to keep the opening regulator to realize the control of the opening and closing of the groundwater well, and at the same time, it can also realize effective management and anti-theft protection of the manhole cover body. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the disassembly of the manhole cover body of the utility model;
[0019] Figure 3 It is a schematic diagram of the metal frame structure of the utility model;
[0020] Figure 4 It is a schematic diagram of the metal plate structure of the utility model;
[0021] Figure 5 It is a schematic diagram of the long strip structure of the utility model;
[0022] Figure 6 It is a schematic diagram of the structure of a cross plug of the utility model.
[0023] Description of reference numerals:
[0024] 1. Fixed plate; 2. Manhole cover body; 3. Support frame; 4. Circular cover plate; 5. Opening regulator; 6. Metal frame; 7. Through groove; 8. Retaining ring; 9. First annular retaining groove; 10. Positioning card slot; 11. Metal plate body; 12. Carrying handle; 13. Linkage shaft; 14. Cross slot; 15. Fixed cover; 16. Long strip plate; 17. Second annular retaining groove; 18. Holding rod; 19. Cross plug. DETAILED DESCRIPTION
[0025] The following is combined with Figure 1-6 The utility model is described in further detail.
[0026] See also Figure 1-4The utility model provides an anti-theft manhole cover for underground water well shut-off pressure, comprising a fixed plate body 1 and a manhole cover body 2, the manhole cover body 2 is installed on the top of the fixed plate body 1, the manhole cover body 2 comprises a supporting frame 3, the supporting frame 3 is fixedly installed on the middle part of the top of the fixed plate body 1, the top of the supporting frame 3 is connected with a circular cover plate 4, the top of the circular cover plate 4 is also provided with an opening regulator 5, the supporting frame 3 comprises a metal frame 6, a through groove 7 is penetrated through the middle part of the metal frame 6, a retaining ring 8 is arranged around the inner wall of the through groove 7, a first annular retaining groove 9 is opened around the top of the retaining ring 8, and positioning card grooves 10 are respectively opened on both sides of the inner wall of the retaining ring 8, and the metal plate body 11 can be embedded and connected to the top of the metal frame 6 through the first annular retaining groove 9 opened around the top of the retaining ring 8.
[0027] See also Figure 4-5 The circular cover plate 4 includes a metal plate body 11, and carrying handles 12 are respectively arranged on both sides of the top of the metal plate body 11. A linkage shaft 13 is rotatably connected to the middle part of the metal plate body 11. A cross slot 14 is opened at one end of the linkage shaft 13, and a fixed cover 15 is installed at the end of the linkage shaft 13 away from the cross slot 14. Long strips 16 are also connected to both sides of the fixed cover 15. The cross slot 14 opened at one end of the linkage shaft 13 is used for the insertion connection between the linkage shaft 13 and the opening regulator 5. The long strip 16 matches the structure of the positioning card slot 10. The long strip 16 and the positioning card slot 10 are plug-in and slidingly matched. Through the structural design of the plug-in and sliding matching between the long strip 16 and the positioning card slot 10, the long strip 16 can be limitedly connected to the inside of the positioning card slot 10.
[0028] See also Figure 4-6 A second annular retaining groove 17 is provided around one side of the metal plate body 11 close to the long plate 16, and the second annular retaining groove 17 matches the structure of the first annular retaining groove 9. Through the design that the second annular retaining groove 17 matches the structure of the first annular retaining groove 9, the metal plate body 11 can be embedded and connected to the top of the metal frame body 6. The opening regulator 5 includes a holding rod 18, and a cross plug 19 is installed at one end of the holding rod 18. The cross plug 19 matches the structure of the cross slot 14, and the cross plug 19 and the cross slot 14 are plug-in matched. Through the plug-in matching structural design between the cross plug 19 and the cross slot 14, the opening regulator 5 can be inserted and connected to the top of the linkage shaft 13.
[0029] Working principle: The manhole cover body 2 designed in this scheme is mainly composed of a supporting frame 3, a circular cover plate 4 and an opening regulator 5. The circular cover plate 4 is designed to match the structure of the first circular retaining groove 9 through the second annular retaining groove 17, so that the metal plate body 11 can be embedded and connected to the top of the metal frame body 6. This scheme uses a linkage shaft 13 that is rotatably connected in the middle of the metal plate body 11. The linkage shaft 13 is composed of a cross slot 14, a fixed cover 15 and a long strip 16. Through the structural design of the plug-in fit between the cross plug 19 and the cross slot 14, the opening regulator 5 can be inserted and connected to the top of the linkage shaft 13. By rotating the open adjuster 5, the two sets of long plates 16 installed at one end of the linkage shaft 13 can be driven to rotate. When the metal plate body 11 is embedded and connected to the top of the metal frame body 6, because the long plates 16 match the structure of the positioning slot 10, and the long plates 16 and the positioning slot 10 are plug-in and slidably matched, the long plates 16 can be connected to the inside of the positioning slot 10, and then the long plates 16 can be rotated and adjusted to a certain angle by opening the adjuster 5. At the same time, the long plates 16 can be limited in the inside of the positioning slot 10, and the metal plate body 11 embedded and connected to the top of the metal frame body 6 can also be locked and fixed;
[0030] From the above, it can be seen that the manhole cover body 2 designed in this scheme adopts a split structural design, and the metal frame 6 and the metal plate body 11 can be disassembled, connected, repaired and replaced according to the usage conditions, which can effectively improve the flexibility of the manhole cover body 2 in the field of anti-theft manhole cover technology. Through the structural design of the opening regulator 5, the metal plate body 11 embedded and connected to the top of the metal frame 6 can be locked, which can improve the stability of the connection between the metal plate body 11 and the metal frame 6, and prevent outsiders from accidentally opening the groundwater well. At the same time, it can also prevent the metal plate body 11 from being stolen by others. Therefore, the staff of the groundwater well only need to keep the opening regulator 5 to realize the control of the opening and closing of the groundwater well, and at the same time, it can also realize effective management and anti-theft protection of the manhole cover body 2.
[0031] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.
Claims
1. An anti-theft manhole cover for shutting off underground water pressure, comprising a fixed plate body (1) and a manhole cover body (2), wherein the manhole cover body (2) is mounted on the top of the fixed plate body (1), and is characterized in that: The manhole cover body (2) comprises a support frame (3), the support frame (3) is fixedly mounted on the middle part of the top of the fixed plate body (1), the top of the support frame (3) is connected to a circular cover plate (4), and the top of the circular cover plate (4) is also provided with an opening regulator (5); The support frame (3) comprises a metal frame (6), a through slot (7) is provided through the middle of the metal frame (6), and retaining rings (8) are provided around the inner wall of the through slot (7); The circular cover plate (4) comprises a metal plate body (11), and carrying handles (12) are respectively arranged on both sides of the top of the metal plate body (11), and a linkage shaft (13) is rotatably connected to the middle of the metal plate body (11).
2. The anti-theft manhole cover for shutting off the underground water pressure according to claim 1 is characterized in that: A first annular retaining groove (9) is formed around the top of the retaining ring (8), and positioning grooves (10) are respectively formed on both sides of the inner wall of the retaining ring (8).
3. The anti-theft manhole cover for shutting off the groundwater pressure according to claim 2 is characterized in that: A cross slot (14) is provided at one end of the linkage shaft (13), a fixed cover (15) is installed at one end of the linkage shaft (13) away from the cross slot (14), and long strips (16) are respectively connected to both sides of the fixed cover (15).
4. The anti-theft manhole cover for shutting off the underground water pressure according to claim 3 is characterized in that: The long strip (16) matches the structure of the positioning slot (10), and the long strip (16) and the positioning slot (10) are plug-in and slidingly matched.
5. The anti-theft manhole cover for shutting off the underground water pressure according to claim 4 is characterized in that: A second annular retaining groove (17) is provided around one side of the metal plate body (11) close to the long strip plate (16), and the second annular retaining groove (17) matches the structure of the first annular retaining groove (9).
6. The anti-theft manhole cover for shutting off the underground water pressure according to claim 5 is characterized by: The opening regulator (5) comprises a holding rod (18), one end of which is mounted with a cross plug (19), the cross plug (19) matching the structure of the cross slot (14), and the cross plug (19) and the cross slot (14) being plug-fitted.