Anti-theft well lid with auxiliary opening function

Abstract

The anti-theft well lid with the auxiliary opening function comprises a well lid base body, an installation base installed on the outer side of the well lid base body, an opening rod and a check block, the opening rod is installed on the inner side of the well lid base body and penetrates through the interior of the well lid base body, a first gear is arranged on the left side of the opening rod, and a second gear is arranged on the right side of the opening rod. The lower end of the first gear is coaxially fixed to the first bevel gear, a connecting shaft of the first gear and the first bevel gear penetrates through the middle of the mounting base in a rotating mode, and the check block is mounted on the right side of the first gear and arranged below the opening rod. According to the anti-theft well lid with the auxiliary opening function, maintenance personnel can conveniently open the well lid to start working, the safety performance of the well lid is high, the possibility that the well lid is stolen is avoided to the maximum extent, the safety of pedestrians and properties is jointly protected, the protection net is installed below the well lid, the pedestrians can be prevented from falling into a well, and meanwhile the disassembly process of the protection net is simple.

Description

Technical Field

[0001] The utility model relates to the technical field related to manhole covers, in particular to an anti-theft manhole cover with an auxiliary opening function. Background Art

[0002] Manhole covers are often installed on sidewalks, motorway lanes and green belts to cover deep wells on the road surface to prevent people or objects from falling. The manhole covers put into use need to have high strength, beautiful appearance, convenient use and anti-theft functions. The use of manhole covers has penetrated into people's lives;

[0003] However, the manhole covers currently used on outdoor public roads are heavy, which makes it inconvenient for maintenance personnel to open them to check the bottom of the well, wasting working time. In addition, the anti-theft function of the current manhole covers is insufficient, and criminals will quickly steal the manhole covers and sell them, causing property losses and safety hazards. In addition, most manhole covers do not have protective functions, and there is a lack of safety buffer devices when pedestrians accidentally fall into deep wells. Therefore, we propose an anti-theft manhole cover with an auxiliary opening function to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-theft manhole cover with an auxiliary opening function to solve the problem raised in the above-mentioned background technology that the manhole covers currently used on outdoor public roads are heavy, which makes it inconvenient for maintenance personnel to open them to check the bottom of the well, wasting working time, and the current manhole covers have insufficient anti-theft functions, and criminals will quickly steal the manhole covers and sell them, causing property losses and safety hazards, and most manhole covers do not have protective functions, and there is a lack of safety buffer devices when pedestrians accidentally fall into deep wells.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-theft manhole cover with auxiliary opening function, comprising: a manhole cover base and a mounting base mounted on the outside of the manhole cover base;

[0006] Also includes:

[0007] An opening rod, the opening rod is installed on the inner side of the manhole cover base, and the opening rod passes through the inside of the manhole cover base, a first gear is arranged on the left side of the opening rod, and the lower end of the first gear is coaxially fixed with the first bevel gear, and the connecting shaft of the first gear and the first bevel gear passes through and rotates in the middle of the mounting base;

[0008] A stopper, the stopper is installed on the right side of the first gear and is arranged below the opening rod, the lower end of the stopper is connected to the bottom of the sleeve through a spring, the stopper and the sleeve form a sliding telescopic structure, and the lower end of the sleeve is fixedly connected to the middle of the mounting base;

[0009] A connecting rod, the inner end of which is fixedly connected to the lower part of the moving block, and the connecting rod passes through the lower part of the mounting base, the moving block is mounted on the outer side of the screw rod, and a second bevel gear is fixedly sleeved on the outer side of the middle part of the screw rod;

[0010] A support rod, the lower end of which is connected to the outer side of the moving block, and a connecting block is installed on the inner side of the upper end of the support rod, and the upper part of the connecting block is fixedly installed inside the manhole cover base by expansion bolts;

[0011] A protective net, the protective net is installed below the mounting base, and a handle is fixedly installed at the middle of the upper end of the protective net, and an elastic telescopic rod is fixedly installed on the inner side of the middle of the handle, and a connecting block is connected to the lower end of the elastic telescopic rod;

[0012] The mounting block has an upper portion that penetrates the fixed block, and an upper end of the mounting block is fixedly connected to the second gear, and a rack is installed on the side of the second gear, and the mounting block and the fixed block form a rotating structure.

[0013] Preferably, circular through holes are opened at equal angles inside the manhole cover base, and a protective cover is installed in the middle of the manhole cover base, and the protective cover is connected to the manhole cover base through threads, and the mounting base is fixed to the ground by bolts.

[0014] Preferably, the lower end of the opening rod is meshed with the first gear for transmission, and the upper part of the opening rod is against the upper end of the through hole in the middle of the manhole cover base, and the first bevel gear is meshed with the second bevel gear for transmission through the rotation of the first gear.

[0015] Preferably, the screw is rotatably connected to the lower inner side of the mounting base, and the screw is rotatably connected to the moving block, and the moving block is symmetrically arranged along the central axis of the screw, the moving directions of the moving blocks are opposite, and a limiting rod is installed on the upper inner side of the moving block.

[0016] Preferably, the outer end of the limit rod is fixedly connected to the side wall of the mounting base, and the movable block is slidably connected to the limit rod, the right end of the connecting rod passes through the mounting base and is inserted into a groove set in the ground, and the upper and lower ends of the support rod are respectively rotatably connected to the connecting block and the movable block.

[0017] Preferably, the connecting block moves up and down on the inner side of the handle, and the outer side of the connecting block is rotatably connected to the upper end of the hinged rod, and the lower end of the hinged rod is rotatably connected to the rack, and the lower part of the protective net is a hollow mesh structure.

[0018] Preferably, the rack is slidably connected in a groove opened on the inner side of the upper part of the protective net, and the outer side of the rack is meshed with the second gear for transmission, and the second gear is rotationally connected to the inside of the protective net.

[0019] Preferably, the mounting block is in an "L"-shaped structure, and the lower part of the mounting block fits the lower surface of the fixing block, and the mounting block is slidably connected to the inner side of the fixing block, and the fixing block is fixedly connected to the ground.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the anti-theft manhole cover with auxiliary opening function is convenient for maintenance personnel to open the manhole cover and start work, and the manhole cover has high safety performance, which greatly avoids the possibility of the manhole cover being stolen, and jointly protects the safety of pedestrians and property, and a protective net is installed under the manhole cover to prevent pedestrians from falling into the well, and the removal process of the protective net is simple;

[0021] 1. An opening rod, a stopper and a first gear are provided. After the protective cover is unscrewed, the opening rod is extended from the through hole into the well. Then, the opening rod is rotated to make the first gear drive the first bevel gear to rotate, thereby making the second bevel gear and the screw rotate. Because the opening rod has a special shape and the stopper extends in a free state to protect the first gear, the opening conditions of the well cover are limited, effectively preventing the well cover from being stolen;

[0022] 2. A connecting rod, a supporting rod and a connecting block are provided. The connecting rod can be passed through the mounting base and inserted into the ground by moving the moving block left and right on the outside of the screw rod. When the manhole cover is opened, the moving block moves inward to flip the supporting rod. The supporting rod and the connecting block lift up the manhole cover base, thus avoiding the maintenance personnel from manually lifting the heavy manhole cover, saving time and effort. When the manhole cover base is lifted up, the connecting rod leaves the ground, which facilitates the disassembly of the manhole cover base and the mounting base, further improving the anti-theft performance of the manhole cover.

[0023] 3. A protective net, an articulated rod and a mounting block are provided. The protective net can prevent pedestrians from falling into a deep well when the manhole cover is opened, thereby protecting the personal safety of pedestrians. Pressing the connecting block upward can drive the articulated rod to flip over. When the articulated rod pulls the rack to move, it engages with the second gear, so that the second gear drives the mounting block to rotate together. When the lower part of the mounting block is consistent in shape with the through groove in the fixed block, the handle can be pulled to take out the protective net, which is convenient for quick disassembly and assembly of the protective net, and the protective net is firmly installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0026] Figure 3 It is a schematic diagram of the top cross-sectional structure of the protective net of the utility model;

[0027] Figure 4 It is a front view cross-sectional structural diagram of the connection between the opening rod and the first gear of the utility model;

[0028] Figure 5 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0029] Figure 6 For this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0030] In the figure: 1. manhole cover base; 2. mounting base; 3. protective cover; 4. opening rod; 5. block; 6. spring; 7. sleeve; 8. first gear; 9. first bevel gear; 10. second bevel gear; 11. screw rod; 12. moving block; 13. limiting rod; 14. connecting rod; 15. supporting rod; 16. connecting block; 17. protective net; 18. handle; 19. connecting block; 20. elastic telescopic rod; 21. hinged rod; 22. rack; 23. second gear; 24. mounting block; 25. fixing block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-6 The utility model provides a technical solution: an anti-theft manhole cover with auxiliary opening function, including: a manhole cover base 1, a mounting base 2, a protective cover 3, an opening rod 4, a block 5, a spring 6, a sleeve 7, a first gear 8, a first bevel gear 9, a second bevel gear 10, a screw rod 11, a moving block 12, a limiting rod 13, a connecting rod 14, a supporting rod 15, a connecting block 16, a protective net 17, a handle 18, a connecting block 19, an elastic telescopic rod 20, a hinged rod 21, a rack 22, a second gear 23, a mounting block 24 and a fixing block 25.

[0033] When using the anti-theft manhole cover with auxiliary opening function, first Figure 1 , Figure 2 and Figure 4As shown, the manhole cover base 1 is installed on the inner side of the mounting base 2, and the mounting base 2 is fixedly connected to the ground by bolts, circular through holes are opened at equal angles inside the manhole cover base 1, and a protective cover 3 is installed in the middle of the manhole cover base 1, and the protective cover 3 is connected to the manhole cover base 1 by threads, and an opening rod 4 passes through the interior of the manhole cover base 1, and a first gear 8 is arranged on the left side of the opening rod 4, and the lower end of the first gear 8 is coaxially fixed with the first bevel gear 9, and the connecting shaft of the first gear 8 and the first bevel gear 9 passes through and rotates in the middle of the mounting base 2, a stopper 5 is installed on the right side of the first gear 8, and the stopper 5 is arranged below the opening rod 4, and the lower end of the stopper 5 is connected to the bottom of the sleeve 7 through a spring 6, and the stopper 5 and the sleeve 7 constitute a sliding telescopic structure, and the lower end of the sleeve 7 is fixedly connected to the middle of the mounting base 2;

[0034] When it is necessary to open the manhole cover base 1 for maintenance work in the well, the protective cover 3 is rotated and unscrewed, and then the end of the opening rod 4 with teeth is inserted into the inside of the protective cover 3. At this time, the upper part of the opening rod 4 is against the upper surface of the manhole cover base 1. When the opening rod 4 moves downward, the stopper 5 is pressed downward, and the stopper 5 slides into the inside of the sleeve 7 to elastically deform the spring 6. The opening rod 4 is rotated to make it mesh with the first gear 8. The first gear 8 rotates and drives the first bevel gear 9 on the lower side to rotate together. Because the opening rod 4 has a special shape and the stopper 5 resists and protects the first gear 8, the possibility of the manhole cover base 1 being stolen is reduced, thereby protecting the safety of property.

[0035] The second bevel gear 10 is installed on the lower side of the first bevel gear 9, and the first bevel gear 9 is meshed with the second bevel gear 10 for transmission. The second bevel gear 10 is fixedly sleeved on the outer middle part of the screw rod 11. The screw rod 11 is rotatably connected to the inner lower side of the mounting base 2, and the screw rod 11 is rotatably connected to the moving block 12, and the moving block 12 is symmetrically arranged along the central axis of the screw rod 11, and the moving direction of the moving block 12 is opposite. The moving block 12 is slidably connected to the outer side of the limiting rod 13, and the right end of the limiting rod 13 is fixed to the side wall of the mounting base 2. The inner end of the connecting rod 14 is fixedly connected to the lower part of the moving block 12, and the connecting rod 14 passes through the lower part of the mounting base 2 and is inserted into a groove set on the ground. The upper and lower ends of the support rod 15 are rotatably connected to the connecting block 16 and the moving block 12 respectively, and the upper part of the connecting block 16 is fixedly installed on the inside of the manhole cover base 1 by expansion bolts.

[0036] The second bevel gear 10 meshes with the first bevel gear 9 and rotates, driving the screw rod 11 to rotate inside the mounting base 2. At this time, the two symmetrical moving blocks 12 move synchronously in each other's directions, and the moving block 12 slides on the outside of the limit rod 13 to limit the movement direction of the moving block 12. The connecting rod 14 is driven to gradually slide off the ground. When the moving block 12 moves, the support rod 15 is driven to flip over, and the upper end of the support rod 15 pushes the manhole cover base 1 upward through the connecting block 16, so that the manhole cover base 1 is gradually higher than the horizontal plane of the mounting base 2, which saves time and effort and is convenient for maintenance personnel to disassemble the bolts on the connecting block 16, thereby opening the manhole cover base 1. At the same time, when it is necessary to detect the bottom of the well, the bolts installed on the outside of the mounting base 2 and the ground are rotated, and the mounting base 2 can be taken out from the well, avoiding the device from causing adverse effects on the detection work and improving the anti-theft performance of the manhole cover.

[0037] like Figure 1 , Figure 3 and Figure 5 As shown, the protective net 17 is installed below the mounting base 2, and a handle 18 is fixedly installed in the middle of the upper end of the protective net 17, and the inner side of the middle part of the handle 18 is connected to the connecting block 19 through an elastic telescopic rod 20, and the outer side of the connecting block 19 is rotatably connected to the upper end of the hinge rod 21, and the lower end of the hinge rod 21 is rotatably connected to the rack 22, and the rack 22 is slidably connected to the groove opened on the inner side of the upper part of the protective net 17, and the outer side of the rack 22 is meshed with the second gear 23 for transmission, and the second gear 23 is rotatably connected to the inside of the protective net 17, and the upper end of the mounting block 24 is fixedly connected to the second gear 23, and the mounting block 24 is in an "L"-shaped structure, and the lower part of the mounting block 24 fits the lower surface of the fixed block 25, and the mounting block 24 is slidably connected to the inner side of the fixed block 25, and the fixed block 25 is fixedly connected to the ground;

[0038] Hold the handle 18 and the connecting block 19, and press the connecting block 19 upward to make the elastic telescopic rod 20 elastically deform. At this time, the connecting block 19 pulls the hinged rods 21 on the four sides to flip over. The hinged rod 21 moves and pulls the rack 22 to move inward. The rack 22 is engaged with the second gear 23 to drive the mounting block 24 below to rotate together. At this time, the mounting block 24 rotates until its lower part is consistent with the shape of the through groove in the fixed block 25. The handle 18 is lifted and pulled up to make the mounting block 24 detach from the inner side of the fixed block 25, and the protective net 17 can be disassembled. This disassembly and assembly method is simple and quick, and the installation is stable and easy to operate. The setting of the protective net 17 can effectively prevent pedestrians from falling when the manhole cover is opened, thereby protecting the safety of pedestrians.

[0039] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. In addition, the directional terms such as up, down, left, right, front, and back in the text only represent their relative positions rather than absolute positions.

[0040] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An anti-theft manhole cover with auxiliary opening function, comprising: A manhole cover base (1) and a mounting base (2) mounted on the outside of the manhole cover base (1); It is characterized by further comprising: An opening rod (4), the opening rod (4) being mounted on the inner side of the manhole cover base (1), and the opening rod (4) passing through the interior of the manhole cover base (1), a first gear (8) being arranged on the left side of the opening rod (4), and the lower end of the first gear (8) being coaxially fixed with the first bevel gear (9), and a connecting shaft of the first gear (8) and the first bevel gear (9) passing through and rotating in the middle of the mounting base (2); a stopper (5), the stopper (5) being mounted on the right side of the first gear (8), and the stopper (5) being arranged below the opening rod (4), the lower end of the stopper (5) being connected to the bottom of the sleeve (7) via a spring (6), the stopper (5) and the sleeve (7) forming a sliding telescopic structure, and the lower end of the sleeve (7) being fixedly connected to the middle of the mounting base (2); A connecting rod (14), the inner end of the connecting rod (14) being fixedly connected to the lower part of the moving block (12), and the connecting rod (14) passing through the lower part of the mounting base (2), the moving block (12) being mounted on the outer side of the screw rod (11), and a second bevel tooth (10) being provided on the outer fixed sleeve of the middle part of the screw rod (11); A support rod (15), wherein the lower end of the support rod (15) is connected to the outer side of the moving block (12), and a connecting block (16) is installed on the inner side of the upper end of the support rod (15), and the upper part of the connecting block (16) is fixedly installed inside the manhole cover base (1) by means of expansion bolts; A protective net (17), the protective net (17) being installed below the mounting base (2), and a handle (18) being fixedly installed at the middle of the upper end of the protective net (17), and an elastic telescopic rod (20) being fixedly installed at the inner side of the middle of the handle (18), and a connecting block (19) being connected to the lower end of the elastic telescopic rod (20); A mounting block (24), wherein the upper portion of the mounting block (24) passes through the fixing block (25), and the upper end of the mounting block (24) is fixedly connected to the second gear (23), and a rack (22) is installed on the side of the second gear (23), and the mounting block (24) and the fixing block (25) form a rotating structure.

2. The anti-theft manhole cover with auxiliary opening function according to claim 1, characterized in that: The inside of the manhole cover base (1) is provided with circular through holes at equal angles, and a protective cover (3) is installed in the middle of the manhole cover base (1), and the protective cover (3) is connected to the manhole cover base (1) by threads, and the mounting base (2) is fixed to the ground by bolts.

3. The anti-theft manhole cover with auxiliary opening function according to claim 1, characterized in that: The lower end of the opening rod (4) meshes with the first gear (8) for transmission, and the upper part of the opening rod (4) abuts against the upper end of the through hole in the middle of the manhole cover base (1), and the first bevel gear (9) meshes with the second bevel gear (10) for transmission through the rotation of the first gear (8).

4. The anti-theft manhole cover with auxiliary opening function according to claim 1, characterized in that: The screw rod (11) is rotatably connected to the inner side of the lower part of the mounting base (2), and the screw rod (11) is rotatably connected to the moving block (12), and the moving block (12) is symmetrically arranged along the central axis of the screw rod (11), the moving directions of the moving blocks (12) are opposite, and a limit rod (13) is installed on the inner side of the upper part of the moving block (12).

5. The anti-theft manhole cover with auxiliary opening function according to claim 4, characterized in that: The outer end of the limit rod (13) is fixedly connected to the side wall of the mounting base (2), and the moving block (12) is slidably connected to the limit rod (13); the right end of the connecting rod (14) passes through the mounting base (2) and is inserted into a groove provided on the ground; the upper and lower ends of the support rod (15) are rotatably connected to the connecting block (16) and the moving block (12) respectively.

6. The anti-theft manhole cover with auxiliary opening function according to claim 1, characterized in that: The connecting block (19) moves up and down on the inner side of the handle (18), and the outer side of the connecting block (19) is rotatably connected to the upper end of the hinged rod (21), and the lower end of the hinged rod (21) is rotatably connected to the rack (22), and the lower part of the protective net (17) is a hollow mesh structure.

7. The anti-theft manhole cover with auxiliary opening function according to claim 6, characterized in that: The rack (22) is slidably connected to a groove opened on the inner side of the upper portion of the protection net (17), and the outer side of the rack (22) is meshed with the second gear (23) for transmission, and the second gear (23) is rotatably connected to the inside of the protection net (17).

8. The anti-theft manhole cover with auxiliary opening function according to claim 1, characterized in that: The mounting block (24) is in an "L"-shaped structure, and the lower portion of the mounting block (24) is in contact with the lower surface of the fixing block (25), and the mounting block (24) is slidably connected to the inner side of the fixing block (25), and the fixing block (25) is fixedly connected to the ground.

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