Anti-theft manhole cover
By designing an anti-theft-proof-faced manhole cover using a ground lock body and an annular locking ring, the problems of maintenance difficulties and cost increase caused by the complex locks and installation methods in the prior art are solved, and effective anti-theft of the manhole cover and simplified maintenance process is realized.
Patent Information
- Application Number
- CN202422224594.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-11
AI Technical Summary
The existing anti-theft manhole cover locks and installation methods are complex, which leads to difficulties in daily maintenance and increases costs.
An anti-theft-proof female manhole cover is designed, using a combination of ground lock body and an annular locking ring. The manhole cover and annular locking ring are locked and unlocked through the operating rod and the moving groove. The locking structure is set inside the manhole cover to increase the difficulty of stealing.
It realizes effective anti-theft of manhole covers, simplifies daily maintenance processes, reduces maintenance costs, and maintains the flatness above the manhole covers to avoid affecting pedestrians' passage.
Smart Images

Figure CN223034071U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of anti-theft manhole covers, and particularly to an anti-theft manhole cover. Background Art
[0002] General status of related technologies in the field: With the rapid development of the urbanization process, urban roads and public facilities are constantly improving, and manhole covers, as an important part of urban infrastructure, exist widely. However, since manhole covers made of metal materials have certain economic value, they often become targets of theft, posing a serious threat to urban safety.
[0003] Common anti-theft manhole covers on the current market mostly rely on complex locks or special installation methods. Although the anti-theft performance is improved, the maintenance and replacement costs are also increased.
[0004] Although the existing technologies can reduce the risk of manhole cover theft to a certain extent, the complex locks and installation methods make daily maintenance difficult and also increase the costs. Summary of the Utility Model
[0005] In view of the deficiencies of the existing technologies, this application provides an anti-theft manhole cover, which overcomes the deficiencies of the existing technologies and aims to solve the problems that although the existing technologies can reduce the risk of manhole cover theft to a certain extent, the complex locks and installation methods make daily maintenance difficult and also increase the costs.
[0006] To achieve the above object, this application provides the following technical solution: An anti-theft manhole cover includes the ground. On one side inside the ground, a ground lock groove is opened. A ground lock body is installed inside the ground lock groove. An annular locking ring is installed inside the ground. A manhole cover body is installed inside the annular locking ring. A first installation groove having the same shape as the annular locking ring is opened below the manhole cover body. A through hole is opened on one side of the annular locking ring close to the ground lock body below. A locking groove is opened on one side of the manhole cover body close to the through hole below. The locking groove communicates with the through hole. A second installation groove is opened inside the manhole cover body at a position above the locking groove. One end of the ground lock body is installed with an operating rod. A moving groove is opened at one end of the operating rod. A double-bevel moving block is slidably connected inside the moving groove. The operating rod passes through the through hole and extends into the locking groove. An installation block is installed inside the second installation groove. A locking block is installed below the installation block. The locking block passes through one side of the first installation groove and extends into the locking groove.
[0007] By adopting the above technical solution, by setting the ground lock body, during use, the staff can operate the ground lock body, penetrate one end of the operating rod through the through hole to reach the inside of the locking groove, and realize the connection between the manhole cover body and the annular locking ring. By setting the moving groove, the double-bevel moving block can move outside the moving groove. After one end of the operating rod is placed inside the locking groove, the upper locking block will drop into the inside of the moving groove, which can lock the operating rod inside the locking groove, so that the annular locking ring and the manhole cover body achieve a locking effect, forming an anti-theft connection. When unlocking is required, the staff can operate the ground lock body to move the operating rod, and then one side of the locking block can slide out of the moving groove from one side of the moving groove, thereby realizing the unlocking effect. Such a setting can make the locking structure arranged inside the annular locking ring and the manhole cover body, increasing the difficulty of theft, improving the safety of the manhole cover body, and keeping the upper part of the manhole cover body flat, without affecting the passage of pedestrians, and improving the practicality of the device.
[0008] As a preferred technical solution of the present application, a plurality of induction contacts are arranged inside the first installation groove, and induction contact grooves matching the induction contacts are opened at the part of the annular locking ring in contact with the first installation groove.
[0009] By adopting the above technical solution, by setting the induction contacts, during use, the state of the manhole cover body can be judged through the inductive connection between the induction contacts and the induction contact grooves, which can enable the staff to better monitor the working state of the manhole cover body, and can prompt the staff in time when it is stolen, improving the safety of device use.
[0010] As a preferred technical solution of the present application, a camouflage layer is installed above the manhole cover body, and the material of the camouflage layer is a natural mineral composite material.
[0011] By adopting the above technical solution, by setting the camouflage layer, the camouflage effect of the manhole cover body can be realized, reducing the visual attraction and the risk of theft. Moreover, the material is a natural mineral composite material, which is similar in appearance to the road surface material and has the advantages of environmental protection and low cost.
[0012] As a preferred technical solution of the present application, a ground lock cover is installed above the ground lock groove.
[0013] By adopting the above technical solution, by setting the ground lock cover, during use, the ground lock body can be blocked, and when the ground lock body needs to be overhauled, it can be conveniently opened and closed, improving the practicality of the device.
[0014] As a preferred technical solution of the present application, a handle is hinged to one side of the manhole cover body.
[0015] By adopting the above technical solution, by setting the handle, during use, it can facilitate the staff to open the well cover body for maintenance of the inspection well, making it more labor-saving for the staff to perform maintenance when opening the well cover body, and improving the practicability of the device.
[0016] As a preferred technical solution of the present application, a fixing ring is installed on one side of the first installation groove, and a fixing groove is provided at a position where the annular locking ring matches the fixing ring.
[0017] By adopting the above technical solution, by setting the fixing ring and the fixing groove, the fitting between the well cover body and the annular locking ring can be made closer, effectively preventing the phenomenon of shaking caused by pedestrians stepping on the road, etc., and improving the safety of the device.
[0018] Advantages of the present application:
[0019] 1. By setting the ground lock body, during use, the staff can operate the ground lock body to penetrate one end of the operating rod through the through hole and reach the inside of the locking groove, realizing the connection between the well cover body and the annular locking ring. By setting the moving groove, the double-bevel moving block can move outside the moving groove. After putting one end of the operating rod into the locking groove, the upper locking block will drop into the moving groove, which can lock the operating rod in the locking groove, making the annular locking ring and the well cover body achieve a locking effect, forming an anti-theft connection. When unlocking is required, the staff can operate the ground lock body to move the operating rod, and then one side of the locking block can slide out of the moving groove from one side of the moving groove, thus realizing the unlocking effect. Such a setting can make the locking structure arranged inside the annular locking ring and the well cover body, increasing the difficulty of theft, improving the safety of the well cover body, and keeping the upper part of the well cover body flat, not affecting the passage of pedestrians, and improving the practicability of the device.
[0020] 2. By setting the induction contacts, during use, the state of the well cover body can be judged through the induction connection between the induction contacts and the induction contact grooves, which can enable the staff to better monitor the working state of the well cover body and can prompt the staff in time when it is stolen, improving the safety of device use. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 is a cross-sectional structural schematic diagram of the present application;
[0022] Figure 2 is Figure 1 the enlarged structural schematic diagram at A in
[0023] Figure 3 the overall structural schematic diagram of the present application;
[0024] Figure 4 Schematic diagram of the operating rod structure of this application.
[0025] In the figure: 1, ground; 101, ground lock groove; 102, ground lock cover; 2, annular locking ring; 201, through hole; 202, induction contact groove; 203, fixing groove; 3, manhole cover body; 301, first installation groove; 302, camouflage layer; 303, induction contact; 304, fixing ring; 305, second installation groove; 306, locking groove; 4, ground lock body; 5, operating rod; 501, moving groove; 502, double-bevel moving block; 6, installation block; 601, locking block; 7, handle. Specific implementation mode
[0026] Next, the technical solutions in the embodiments of this application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.
[0027] Refer to Figures 1-3 , an anti-theft manhole cover, including a ground 1, a ground lock groove 101 is opened on one side inside the ground 1, a ground lock body 4 is installed inside the ground lock groove 101, an annular locking ring 2 is installed inside the ground 1, a manhole cover body 3 is installed inside the annular locking ring 2, a first installation groove 301 having the same shape as the annular locking ring 2 is opened below the manhole cover body 3, a through hole 201 is opened on one side of the annular locking ring 2 below near the ground lock body 4, a locking groove 306 is opened on one side of the manhole cover body 3 below near the through hole 201, the locking groove 306 is communicated with the through hole 201, a second installation groove 305 is opened inside the manhole cover body 3 at a position above the locking groove 306, one end of the ground lock body 4 is installed with an operating rod 5, a moving groove 501 is opened at one end of the operating rod 5, a double-bevel moving block 502 is slidably connected inside the moving groove 501, the operating rod 5 passes through the through hole 201 and extends into the locking groove 306, an installation block 6 is installed inside the second installation groove 305, a locking block 601 is installed below the installation block 6, and the locking block 601 passes through one side of the second installation groove 305 and extends into the locking groove 306. A camouflage layer 302 is installed above the manhole cover body 3, and the material of the camouflage layer 302 is a natural mineral composite material.
[0028] By setting the ground lock body 4, during use, the staff can operate the ground lock body 4 to penetrate one end of the operating rod 5 through the through hole 201 and reach the inside of the locking groove 306, realizing the connection between the manhole cover body 3 and the annular locking ring 2. By setting the moving groove 501, the double-bevel moving block 502 can move outside the moving groove 501. After putting one end of the operating rod 5 into the locking groove 306, the upper locking block 601 will drop into the moving groove 501, which can lock the operating rod 5 inside the locking groove 306, making the annular locking ring 2 and the manhole cover body 3 achieve a locking effect, forming an anti-theft connection. When unlocking is needed, the staff can operate the ground lock body 4 to move the operating rod 5, and then one side of the locking block 601 can slide out of the moving groove 501 from one side of the moving groove 501, thus achieving the unlocking effect. Such a setting can make the locking structure be arranged inside the annular locking ring 2 and the manhole cover body 3, increasing the difficulty of theft, enhancing the security of the manhole cover body 3, and keeping the upper part of the manhole cover body 3 flat, without affecting the passage of pedestrians, improving the practicality of the device. By setting the camouflage layer 302, the camouflage effect of the manhole cover body 3 can be realized, reducing the visual attraction and the risk of being stolen. Moreover, the material is a natural mineral composite material, which is similar in appearance to the road surface material and has the advantages of environmental protection and low cost.
[0029] Refer to Figure 1 , multiple induction contacts 303 are arranged inside the first installation groove 301, and induction contact grooves 202 matching the induction contacts 303 are opened at the part of the annular locking ring 2 in contact with the first installation groove 301; a ground lock cover 102 is installed above the ground lock groove 101; a fixing ring 304 is installed on one side of the first installation groove 301, and a fixing groove 203 matching the fixing ring 304 is opened at the position of the annular locking ring 2. By setting the induction contacts 303, during use, the state of the manhole cover body 3 can be judged through the induction connection between the induction contacts 303 and the induction contact grooves 202, which can help the staff better monitor the working state of the manhole cover body 3 and prompt the staff in time when it is stolen, improving the security of the device during use; by setting the ground lock cover 102, during use, the ground lock body 4 can be shielded, and when the ground lock body 4 needs to be repaired, it can be conveniently opened and closed, improving the practicality of the device; by setting the fixing ring 304 and the fixing groove 203, the fitting between the manhole cover body 3 and the annular locking ring 2 can be made closer, effectively preventing the phenomenon of shaking caused by pedestrians stepping on the road, etc., improving the security of the device.
[0030] Refer to Figure 1, one side of the manhole cover body 3 is hinged with a handle 7; by setting the handle 7, during use, it is convenient for workers to open the manhole cover body 3 for maintenance of the inspection well, making it more labor-saving for workers to open the manhole cover body 3 during maintenance, and improving the practicality of the device.
[0031] Working principle: By setting the ground lock body 4, during use, workers can operate the ground lock body 4 to penetrate one end of the operating rod 5 through the through hole 201 to reach the inside of the locking groove 306, realizing the connection between the manhole cover body 3 and the annular locking ring 2. By setting the moving groove 501, the double-bevel moving block 502 can move outside the moving groove 501. After putting one end of the operating rod 5 into the inside of the locking groove 306, the upper locking block 601 will drop into the inside of the moving groove 501, which can lock the operating rod 5 inside the locking groove 306, making the annular locking ring 2 and the manhole cover body 3 achieve a locking effect, forming an anti-theft connection. When unlocking is required, workers can operate the ground lock body 4 to move the operating rod 5, and then make one side of the locking block 601 slide out of the moving groove 501 from one side of the moving groove 501, thus realizing the unlocking effect. Such a setting can place the locking structure inside the annular locking ring 2 and the manhole cover body 3, increasing the difficulty of theft, improving the safety of the manhole cover body 3, and keeping the upper part of the manhole cover body 3 flat, without affecting the passage of pedestrians, improving the practicality of the device. By setting the induction contact 303, during use, the state of the manhole cover body 3 can be judged through the induction connection between the induction contact 303 and the induction contact groove 202, which can help workers better monitor the working state of the manhole cover body 3 and can prompt workers in time when it is stolen, improving the safety of device use;
[0032] Among them, by setting the camouflage layer 302, the camouflage effect of the manhole cover body 3 can be realized, reducing visual attraction and the risk of theft. Moreover, the material is a natural mineral composite material, which is similar in appearance to the road surface material and has the advantages of environmental protection and low cost. By setting the ground lock cover 102, during use, the ground lock body 4 can be blocked, and when maintenance of the ground lock body 4 is required, it can be conveniently opened and closed, improving the practicality of the device;
[0033] At the same time, by setting the handle 7, during use, it is convenient for workers to open the manhole cover body 3 for maintenance of the inspection well, making it more labor-saving for workers to open the manhole cover body 3 during maintenance, and improving the practicality of the device;
[0034] In addition, by setting the fixing ring 304 and the fixing groove 203, the fitting between the manhole cover body 3 and the annular locking ring 2 can be made closer, effectively preventing the phenomenon of shaking caused by pedestrians stepping on the road, etc., and improving the safety of the device.
[0035] The foregoing is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application.
Claims
1. An anti-theft manhole cover, comprising a ground surface (1), characterized in that: A ground lock groove (101) is provided on one side of the interior of the floor (1), a ground lock body (4) is installed inside the ground lock groove (101), an annular locking ring (2) is installed inside the floor (1), a manhole cover body (3) is installed inside the annular locking ring (2), a first installation groove (301) having the same shape as the annular locking ring (2) is provided below the manhole cover body (3), a through hole (201) is provided on the side of the annular locking ring (2) below the ground lock body (4), a locking groove (306) is provided on the side of the manhole cover body (3) below the through hole (201), the locking groove (306) is communicated with the through hole (201), and the A second mounting groove (305) is provided inside the manhole cover body (3) at a position above the locking groove (306); an operating rod (5) is installed at one end of the floor lock body (4); a moving groove (501) is provided at one end of the operating rod (5); a double-bevel moving block (502) is slidably connected inside the moving groove (501); the operating rod (5) passes through the through hole (201) and extends into the locking groove (306); a mounting block (6) is installed inside the second mounting groove (305); a locking block (601) is installed below the mounting block (6); the locking block (601) passes through one side of the second mounting groove (305) and extends into the locking groove (306).
2. The anti-theft manhole cover according to claim 1, characterized in that: A plurality of groups of sensing contacts (303) are arranged inside the first installation groove (301), and a sensing contact groove (202) matching the sensing contacts (303) is provided at a portion of the annular locking ring (2) abutting against the first installation groove (301).
3. The anti-theft manhole cover according to claim 1, characterized in that: A camouflage layer (302) is installed above the manhole cover body (3), and the material of the camouflage layer (302) is a natural mineral composite material.
4. The anti-theft manhole cover according to claim 1, characterized in that: A floor lock cover (102) is installed above the floor lock slot (101).
5. The anti-theft manhole cover according to claim 1, characterized in that: A handle (7) is hingedly connected to one side of the manhole cover body (3).
6. The anti-theft manhole cover according to claim 1, characterized in that: A fixing ring (304) is installed on one side of the first installation groove (301), and a fixing groove (203) is provided at a position where the annular locking ring (2) matches the fixing ring (304).