Anti-theft well lid for municipal road

Abstract

The anti-theft well lid for the municipal road comprises a well lid body and a shell, connecting rods are fixedly connected to the two sides of the bottom of the well lid body, a waterproof motor is fixedly installed at the bottom of the right side of an inner cavity of the shell, a rotating rod is fixedly connected to the output end of the waterproof motor, and a second gear is fixedly connected to the left side of the rotating rod; the surface of the second gear is engaged with a first gear, and an inner cavity of the first gear is fixedly connected with a threaded rod. Through the arrangement of the well lid, the connecting rod, the limiting rod, the threaded rod, the threaded sleeve, a waterproof motor, a transverse plate, a bearing, a second gear, a rotating rod, a fixing rod, a sliding plate, a limiting concave block, a damper, a damping spring and a connecting plate, the problems that an existing anti-theft well lid for the municipal road does not have the rapid locking function, locking steps are tedious, and when the anti-theft function needs to be achieved, locking is not convenient are solved. A large amount of time of a user is spent on installation, time and labor are wasted, and the labor amount of the user is greatly increased.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal roads, in particular to an anti-theft manhole cover for municipal roads. Background Art

[0002] Municipal administration refers to the various administrative management work of a city, and also refers to market and trade affairs. Urban management work includes industry and commerce, transportation, public security, culture and education, environment, health, and infrastructure.

[0003] At present, the anti-theft manhole covers used in municipal roads do not have the function of quick locking, and the locking steps are cumbersome. When the anti-theft function is required, the installation requires users to spend a lot of time, which is time-consuming and laborious, greatly increasing the workload of users. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an anti-theft manhole cover for municipal roads, which achieves the advantage of quick locking and solves the problem that the current anti-theft manhole covers for municipal roads do not have the function of quick locking, the locking steps are cumbersome, and when the anti-theft function is required, the installation requires a lot of time and effort from the user, which greatly increases the workload of the user.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-theft manhole cover for municipal roads, comprising a manhole cover and a shell, both sides of the bottom of the manhole cover are fixedly connected with connecting rods, a waterproof motor is fixedly installed at the bottom of the right side of the inner cavity of the shell, a rotating rod is fixedly connected to the output end of the waterproof motor, the left side of the rotating rod is fixedly connected to the second gear, the surface of the second gear is meshed with the first gear, the inner cavity of the first gear is fixedly connected with a threaded rod, the surface of the threaded rod is threadedly connected with a threaded sleeve, the left side of the threaded sleeve is fixedly connected with a cross plate, the top of the cross plate is fixedly connected with a limiting rod, the upper end of the inner cavity of the shell is fixedly connected with a shell, both sides of the bottom of the inner cavity of the shell are fixedly connected with a fixing plate, one side of the fixing plate is fixedly connected with a damper, the surface of the damper is wound with a shock-absorbing spring, one side of the damper is fixedly connected with a slide plate, the top of one side of the slide plate is fixedly connected with a fixing rod, the other side of the slide plate is slidably connected with a connecting plate, and both sides of the bottom of the inner cavity of the shell are fixedly connected with limiting recessed blocks.

[0006] Preferably, a sliding sleeve is fixedly connected to the left side of the transverse plate, and a sliding rod is slidably connected to the inner cavity of the sliding sleeve.

[0007] Preferably, a bearing is fixedly connected to the right side of the bottom of the inner cavity of the shell, and the bottom of the threaded rod is fixedly connected to the inner ring of the bearing.

[0008] Preferably, both sides of the bottom of the inner cavity of the shell are provided with sliding grooves, the bottom of the slide plate is fixedly connected with a sliding block, and the bottom of the sliding block is slidably connected to the inner cavity of the sliding groove.

[0009] Preferably, a cover plate is provided on the surface of the shell, and the shell and the cover plate are fixedly connected by mounting bolts.

[0010] Preferably, the surface of the manhole cover is coated with an anti-rust layer, and the anti-rust layer includes a mica iron oxide coating layer, an inorganic zinc silicate coating layer and an epoxy zinc phosphate coating layer.

[0011] Preferably, the number of the dampers is 2, and the two dampers are of the same size.

[0012] Compared with the prior art, the utility model provides an anti-theft manhole cover for municipal roads, which has the following beneficial effects:

[0013] 1. The utility model solves the problem that the current anti-theft manhole covers for municipal roads do not have the function of quick locking, the locking steps are cumbersome, and when the anti-theft function is required, the installation requires a lot of time and effort from the user, which greatly increases the workload of the user, through the arrangement of the manhole cover, connecting rod, limiting rod, threaded rod, threaded sleeve, waterproof motor, cross plate, bearing, second gear, rotating rod, fixed rod, slide plate, limiting concave block, damper, shock-absorbing spring and connecting plate.

[0014] 2. The utility model reduces the wear of the threaded rod during operation by setting the bearing, thereby greatly improving the service life of the threaded rod. The utility model reduces the jitter of the skateboard during operation by setting the slide groove and the slider, thereby greatly improving the stability of the skateboard during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the housing of the utility model;

[0017] Figure 3 This is a cross-sectional view of the shell of the utility model.

[0018] In the figure: 1. manhole cover; 2. shell; 3. connecting rod; 4. limiting rod; 5. sliding sleeve; 6. sliding rod; 7. shell; 8. threaded rod; 9. threaded sleeve; 10. waterproof motor; 11. cross plate; 12. first gear; 13. bearing; 14. second gear; 15. rotating rod; 16. fixed rod; 17. slide plate; 18. limiting recess; 19. fixed plate; 20. damper; 21. shock-absorbing spring; 22. slide groove; 23. slider; 24. connecting plate. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0020] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-3 A kind of anti-theft manhole cover for municipal roads, including a manhole cover 1 and a shell 2, both sides of the bottom of the manhole cover 1 are fixedly connected with connecting rods 3, a waterproof motor 10 is fixedly installed at the bottom of the right side of the inner cavity of the shell 2, the output end of the waterproof motor 10 is fixedly connected with a rotating rod 15, the left side of the rotating rod 15 is fixedly connected with a second gear 14, the surface of the second gear 14 is meshed with a first gear 12, the inner cavity of the first gear 12 is fixedly connected with a threaded rod 8, the surface of the threaded rod 8 is threadedly connected with a threaded sleeve 9, and the left side of the threaded sleeve 9 is fixedly connected with a horizontal plate 11 The top of the cross plate 11 is fixedly connected to the limit rod 4, the upper end of the inner cavity of the shell 2 is fixedly connected to the shell 7, both sides of the bottom of the inner cavity of the shell 7 are fixedly connected to the fixed plates 19, one side of the fixed plate 19 is fixedly connected to the damper 20, the surface of the damper 20 is wound with a shock-absorbing spring 21, one side of the damper 20 is fixedly connected to the slide plate 17, the top of one side of the slide plate 17 is fixedly connected to the fixed rod 16, the other side of the slide plate 17 is slidably connected to the connecting plate 24, and both sides of the bottom of the inner cavity of the shell 7 are fixedly connected to the limit recessed blocks 18.

[0023] The left side of the transverse plate 11 is fixedly connected with a sliding sleeve 5 , and the inner cavity of the sliding sleeve 5 is slidably connected with a sliding rod 6 .

[0024] A bearing 13 is fixedly connected to the right side of the bottom of the inner cavity of the shell 2, and the bottom of the threaded rod 8 is fixedly connected to the inner ring of the bearing 13. The setting of the bearing 13 reduces the wear of the threaded rod 8 during operation, greatly improving the service life of the threaded rod 8.

[0025] Slide grooves 22 are provided on both sides of the bottom of the inner cavity of the shell 7, and a slider 23 is fixedly connected to the bottom of the slide plate 17. The bottom of the slider 23 is slidably connected to the inner cavity of the slide groove 22. Through the arrangement of the slide groove 22 and the slider 23, the jitter of the slide plate 17 during operation is reduced, and the stability of the slide plate 17 during operation is greatly improved.

[0026] A cover plate is provided on the surface of the shell 7, and the shell 7 and the cover plate are fixedly connected by mounting bolts.

[0027] The surface of the manhole cover 1 is coated with an anti-rust layer, and the anti-rust layer includes a mica iron oxide coating layer, an inorganic zinc silicate coating layer and an epoxy zinc phosphate coating layer.

[0028] The number of the dampers 20 is two, and the two dampers 20 are of the same size.

[0029] The working principle of the utility model is as follows: first, the user places the manhole cover 1 on the top of the shell 2, and inserts the connecting rod 3 into the inner cavity of the shell 7 with the cooperation of the manhole cover 1, and makes the bottom of the connecting rod 3 fit with the top of the limiting recess 18; secondly, the user starts the waterproof motor 10 through the external controller to work, drives the rotating rod 15 to rotate through the waterproof motor 10, drives the second gear 14 to rotate through the rotating rod 15, drives the first gear 12 to rotate through the second gear 14, drives the threaded rod 8 to rotate through the first gear 12, drives the threaded sleeve 9 to move upward through the threaded sleeve 9, drives the cross plate 11 to move upward through the cross plate 11, drives the limiting rod 4 to move upward through the cross plate 11, drives the connecting plate 24 to move upward through the limiting rod 4, drives the slide plate 17 to slide to one side through the connecting plate 24, squeezes the damper 20 and the shock-absorbing spring 21 through the slide plate 17, and drives the fixing rod 16 to move to one side, moves to the specified position and stops, and limits the connecting rod 3, thereby achieving the purpose of quick locking.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-theft manhole cover for a municipal road, comprising a manhole cover (1) and a housing (2), characterized in that: Both sides of the bottom of the manhole cover (1) are fixedly connected with connecting rods (3), the bottom of the right side of the inner cavity of the shell (2) is fixedly installed with a waterproof motor (10), the output end of the waterproof motor (10) is fixedly connected with a rotating rod (15), the left side of the rotating rod (15) is fixedly connected with a second gear (14), the surface of the second gear (14) is meshed with a first gear (12), the inner cavity of the first gear (12) is fixedly connected with a threaded rod (8), the surface of the threaded rod (8) is threadedly connected with a threaded sleeve (9), the left side of the threaded sleeve (9) is fixedly connected with a horizontal plate (11), and the top of the horizontal plate (11) is fixedly connected with a second gear (14). A limiting rod (4) is connected, the upper end of the inner cavity of the shell (2) is fixedly connected to a shell (7), both sides of the bottom of the inner cavity of the shell (7) are fixedly connected to fixing plates (19), one side of the fixing plate (19) is fixedly connected to a damper (20), the surface of the damper (20) is wound with a shock absorbing spring (21), one side of the damper (20) is fixedly connected to a slide plate (17), the top of one side of the slide plate (17) is fixedly connected to a fixing rod (16), the other side of the slide plate (17) is slidably connected to a connecting plate (24), and both sides of the bottom of the inner cavity of the shell (7) are fixedly connected to limiting recessed blocks (18).

2. The anti-theft manhole cover for municipal roads according to claim 1 is characterized in that: The left side of the transverse plate (11) is fixedly connected with a sliding sleeve (5), and the inner cavity of the sliding sleeve (5) is slidably connected with a sliding rod (6).

3. The anti-theft manhole cover for municipal roads according to claim 1 is characterized in that: A bearing (13) is fixedly connected to the right side of the bottom of the inner cavity of the housing (2), and the bottom of the threaded rod (8) is fixedly connected to the inner ring of the bearing (13).

4. The anti-theft manhole cover for municipal roads according to claim 1 is characterized in that: Slide grooves (22) are provided on both sides of the bottom of the inner cavity of the shell (7), a slider (23) is fixedly connected to the bottom of the slide plate (17), and the bottom of the slider (23) is slidably connected to the inner cavity of the slide groove (22).

5. The anti-theft manhole cover for municipal roads according to claim 1 is characterized in that: A cover plate is provided on the surface of the shell (7), and the shell (7) and the cover plate are fixedly connected by mounting bolts.

6. The anti-theft manhole cover for municipal roads according to claim 1, characterized in that: The surface of the manhole cover (1) is coated with an anti-rust layer, and the anti-rust layer comprises a mica iron oxide coating layer, an inorganic zinc silicate coating layer and an epoxy zinc phosphate coating layer.

7. The anti-theft manhole cover for municipal roads according to claim 1 is characterized in that: The number of the dampers (20) is two, and the two dampers (20) are of the same size.

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