Wrapping type well lid for municipal engineering

Abstract

The utility model discloses a municipal engineering wrapping type well lid which comprises a well base outer ring, a well base is arranged in an inner cavity of the well base outer ring, a lid body is hinged to the well base outer ring, a wall body is arranged on the well base and the well base outer ring, an annular groove communicated with the wall body is formed in the inner cavity of the well base, and the annular groove is communicated with the lid body. Four hook assemblies are arranged in an inner cavity of the annular groove. The movable blocks are plugged into the inner cavity of the annular groove through the wall body, the limiting blocks at the bottoms of the movable blocks slide and are limited in the inner cavity of the limiting groove, the four movable blocks are evenly distributed in the inner cavity of the well base, then the anti-falling net body is connected to the four hooks in a hung mode, and then the cover body is covered. When the anti-falling net is installed in the well, the movable block can be taken down only by moving the movable block into the inner cavity of the wall body, the anti-falling net can enter the well conveniently, and the purposes that the anti-falling net is installed in the well through the detachable hook, the hook is detachable, and entering of workers into the well is not affected are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to municipal engineering technical field, especially municipal engineering package formula manhole cover. BACKGROUND

[0002] The manhole cover includes cast iron manhole cover, nodular cast iron manhole cover, bronze manhole cover and the like. The cast iron manhole cover has high strength and good compression resistance, but is easy to rust. The nodular cast iron manhole cover has higher strength and toughness, and better corrosion resistance. The bronze manhole cover is mostly used in some places with high requirements for appearance and corrosion resistance.

[0003] At present, the manhole cover used in municipal engineering is only used for protecting the sewer passage, and when the manhole cover is damaged or lost, the manhole cover will fall into the well and cause the car to sink into the well, and thus the municipal engineering package formula manhole cover is designed, the anti-falling net is installed in the well by the detachable hook, and the hook is detachable and does not affect the workers to enter the well. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing municipal engineering package formula manhole cover, has the advantages that the anti-falling net is installed in the well by the detachable hook, the hook is detachable and does not affect the workers to enter the well, so as to solve the above background technical problems.

[0005] The utility model solves the above technical problems by the following technical scheme: a municipal engineering package formula manhole cover, which comprises a well seat outer ring, an inner cavity of the well seat outer ring is provided with a well seat, a cover body is hingedly connected to the well seat outer ring, a wall body is formed on the well seat and the well seat outer ring, an annular groove in communication with the wall body is formed in the inner cavity of the well seat, four hook assemblies are arranged in the inner cavity of the annular groove, the hook assembly comprises a moving block slidingly connected to the inner cavity of the annular groove, a hook is fixedly connected to one side of the moving block, and an anti-falling net body is hung on the four hooks.

[0006] Preferably, a limiting block is fixedly connected to the bottom of the moving block, and a limiting groove for the limiting block to slide is formed in the bottom of the inner cavity of the annular groove.

[0007] Preferably, a circular hole is formed in the top of the moving block, a protruding block is slidingly connected to the inner cavity of the circular hole, and a spring is fixedly connected between the protruding block and the inner wall of the circular hole.

[0008] Preferably, a shaft pin is fixedly connected to the inner cavity of the wall body, a rotating block is rotatably connected to the surface of the shaft pin, and the rotating block is welded to the cover body.

[0009] Preferably, a rubber pad is placed on the top of the well seat, and the top of the rubber pad is attached to the cover body.

[0010] The utility model has the advantages of:

[0011] 1. The utility model discloses a movable block is inserted into the inner chamber of annular groove through wall body, and the limiting block of movable block bottom slides and is positioned in the inner chamber of limiting groove, and four movable blocks are evenly distributed in the inner chamber of well seat, then the anti -fall net body is hung on four hooks, then the cover is covered and can be, when the staff enters the well, only needs to move movable block to the inner chamber of wall body, can take down movable block, and conveniently enters, can reach the purpose that the anti -fall net is installed in the well with detachable hook, and the hook is detachable, and the worker entering the well is not affected,

[0012] 2. The utility model discloses the cooperation of round hole, boss and spring, and the boss is stretched out and is in the inner wall of annular groove because of spring, and the random activity of movable block can be restricted through friction force, guarantees the stable state of movable block,

[0013] 3. The utility model discloses the setting of rubber pad can buffer the impact of cover and well seat, and can play the role of noise reduction to a certain extent. DRAWINGS

[0014] The above and / or other aspects of the utility model will become more apparent and more readily appreciated, as the same becomes better understood by reference to the following detailed description, when taken in conjunction with the accompanying drawings, in which:

[0015] Figure 1 It is the three-dimensional schematic diagram of one embodiment of the utility model;

[0016] Figure 2 It is the three-dimensional schematic diagram of one embodiment of the utility model well lid open state;

[0017] Figure 3 It is the three-dimensional schematic diagram of one embodiment of the utility model well seat and hook assembly;

[0018] Figure 4 It is the three-dimensional split schematic diagram of one embodiment of the utility model hook assembly.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, well seat outer ring, 2, well seat, 3, cover, 4, wall body, 5, annular groove, 6, hook assembly, 61, movable block, 62, hook, 63, round hole, 64, boss, 65, spring, 7, anti -fall net body, 8, limiting block, 9, limiting groove, 10, shaft pin, 11, rotating block, 12, rubber pad. DETAILED DESCRIPTION

[0021] In the following, the embodiment of the utility model's municipal engineering package type well lid will be described with reference to the drawings.

[0022] Figures 1-4The utility model discloses a municipal engineering package formula well lid of an embodiment shows, it includes well seat outer ring 1, the inner chamber of well seat outer ring 1 is provided with well seat 2, hinge has the cover 3 on well seat outer ring 1, the top of well seat 2 places rubber pad 12, and the top of rubber pad 12 is bonded with the cover 3, through the setting of rubber pad 12, can buffer cover 3 and hit well seat 2, can play the role of the noise reduction to a certain extent, well seat 2 and well seat outer ring 1 are set up wall body 4 on, and the inner chamber of wall body 4 is fixedly connected with axle pin 10, and the surface rotationally connected of axle pin 10 has the swing block 11, and the swing block 11 is welded with the cover 3, and the inner chamber of well seat 2 is set up with the annular groove 5 of wall body 4 intercommunication, and the inner chamber of annular groove 5 is provided with four hook assemblies 6, and hook assembly 6 includes the moving block 61 slidingly connected in the inner chamber of annular groove 5, and the one side fixedly connected of moving block 61 has the hook 62, and four hooks 62 are hung with the anti-falling net body 7, and the bottom fixedly connected of moving block 61 has the limit block 8, and the bottom of the inner chamber of annular groove 5 is set up with the limit slot 9 for the sliding of limit block 8, and the top of moving block 61 is set up with the round hole 63, and the inner chamber slidingly connected of round hole 63 has the lug 64, and the inner wall between lug 64 and round hole 63 is fixedly connected with spring 65, through the cooperation of round hole 63, lug 64 and spring 65, lug 64 is stretched out and abuts at the inner wall of annular groove 5 due to spring 65, and the random activity of moving block 61 can be limited through friction force, guarantee the stability of moving block 61 state.

[0023] Working principle: when the utility model is used, through the opening of cover 3, then four moving blocks 61 are inserted into the inner chamber of annular groove 5 through wall body 4, and the limit block 8 at the bottom of moving block 61 is slid and limited in the inner chamber of limit slot 9, and the random activity of moving block 61 is limited by friction force, when the lug 64 abuts at the inner wall of annular groove 5 due to the restoring force of spring 65, then the anti-falling net body 7 is hung on four hooks 62, then the cover 3 is covered, and the cover 3 is broken to play the effect of anti-falling, when the staff enters the well, only need to push moving block 61, until moving block 61 and limit block 8 move to the inner chamber of wall body 4, then moving block 61 can be taken down, and hook 62 will not affect the staff to enter the well.

[0024] In summary: the municipal engineering package well lid, through the wall 4 by the mobile block 61 into the annular groove 5 cavity, the mobile block 61 bottom limit block 8 in the limit groove 9 cavity sliding and limit, will four mobile block 61 evenly distributed in the inner cavity of well seat 2, then the body 7 of the anti falling net is hung on the four hooks 62, then cover the cover 3 can, when the staff into the well, only need to move the mobile block 61 to the inner cavity of wall 4, can remove the mobile block 61, convenient to enter, can reach the purpose of using detachable hook to install the anti falling net in the well, the hook is detachable, will not affect the workers into the well.

Claims

1. A wrap-around manhole cover for municipal engineering, characterized in that: The well base includes an outer ring (1), and a well base (2) is provided in the inner cavity of the outer ring (1). A cover (3) is hinged to the outer ring (1). A wall (4) is provided on the well base (2) and the outer ring (1). An annular groove (5) communicating with the wall (4) is provided in the inner cavity of the well base (2). Four hook assemblies (6) are provided in the inner cavity of the annular groove (5). The hook assembly (6) includes a movable block (61) slidably connected to the inner cavity of the annular groove (5). A hook (62) is fixedly connected to one side of the movable block (61). A fall protection net body (7) is hung on the four hooks (62).

2. The municipal engineering wrap-around manhole cover according to claim 1, characterized in that, The bottom of the moving block (61) is fixedly connected to a limiting block (8), and the bottom of the annular groove (5) is provided with a limiting groove (9) for the limiting block (8) to slide.

3. The municipal engineering wrap-around manhole cover according to claim 2, characterized in that, The top of the movable block (61) is provided with a circular hole (63), and a protrusion (64) is slidably connected to the inner cavity of the circular hole (63). A spring (65) is fixedly connected between the protrusion (64) and the inner wall of the circular hole (63).

4. The municipal engineering wrap-around manhole cover according to claim 3, characterized in that, The inner cavity of the wall (4) is fixedly connected to a shaft pin (10), and a rotating block (11) is rotatably connected to the surface of the shaft pin (10). The rotating block (11) is welded to the cover (3).

5. The municipal engineering wrap-around manhole cover according to claim 4, characterized in that, A rubber pad (12) is placed on the top of the well base (2), and the top of the rubber pad (12) is in contact with the cover (3).

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