Anti-theft well lid

Abstract

The utility model discloses an anti-theft well lid in the technical field of well lids, which comprises a support ring fixedly mounted in a well, a connecting ring is detachably mounted on the inner ring of the support ring through a plurality of groups of bolts, a lifting support is mounted in the connecting ring in an up-down sliding manner, and the top of the lifting support is connected with a lid body; a positioning assembly capable of being buckled into the supporting ring is slidably installed in the lifting support, the top end and the bottom end of the positioning assembly can be buckled into the supporting ring, and an upper set of inserting holes and a lower set of inserting holes corresponding to the positioning assembly are formed in the supporting ring. The well lid solves the problems that an existing well lid is convenient and rapid to disassemble and prone to being stolen to bring certain economic losses, and when the well lid needs to be opened for drainage in rainy seasons, the well lid usually needs to be disassembled from the top of a well mouth, the well lid is prone to being stolen, pedestrians, vehicles and the like are prone to falling into the well mouth, and people cannot use the well lid conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of well lid, concretely is a kind of theftproof well lid. BACKGROUND

[0002] Well lid is used to cover deep well in road or home, prevent people or objects from falling, and can be divided into metal well lid, high-strength fiber cement concrete well lid, resin well lid and the like according to material, generally adopts circular shape, and can be used in green belt, sidewalk, motorway, wharf, alley and the like.

[0003] The existing well lid is convenient to disassemble quickly, so that it is easy to be stolen and causes certain economic loss, and when the well lid needs to be opened for drainage during rainy season, it is usually disassembled from the top of well mouth, which is easy to be stolen and can easily cause pedestrians, vehicles and the like to fall into well mouth, so it is not beneficial to the use of people, therefore, the technical personnel in the art provide a theftproof well lid to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a theftproof well lid to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a theftproof well lid, comprising a supporting ring fixedly installed in the interior of well shaft, a connecting ring is detachably installed in the inner ring of the supporting ring through a plurality of bolts, a lifting support is slidably installed in the interior of the connecting ring in an up-down manner, and a cover body is connected to the top of the lifting support.

[0006] A positioning assembly is slidably installed in the interior of the lifting support and can be buckled to the interior of the supporting ring, the interior of the supporting ring is provided with two groups of insertion holes corresponding to the positioning assembly in an up-down manner, and a rotating piece for simultaneously moving a plurality of positioning assemblies is installed at the bottom of the cover body.

[0007] Preferably, the lifting support comprises two groups of positioning rings in an up-down manner, three groups of sliding rods are installed between the two groups of positioning rings and are slidably connected with the connecting ring, the top of the top positioning ring is connected with the cover body, and the positioning assembly is slidably installed in the interior of the two groups of positioning rings.

[0008] Preferably, the positioning assembly comprises insertion rods slidably connected in the interior of two groups of positioning rings, the two groups of insertion rods are respectively located at the top end and the bottom end of the sliding rod, the end of the insertion rod corresponds to the size of the insertion hole, a push-pull plate is connected between the end of the inner ring of the two groups of insertion rods, and the top end side of the push-pull plate is connected with the rotating piece.

[0009] Preferably, the rotating member comprises a rotating rod rotatably connected to the middle part of the cover, the bottom end of the rotating rod is connected with a rotating disc, the outer ring of the rotating disc is connected with the push-pull plate through the articulated movable rod, the top center of the cover is provided with a groove for storing the top end of the rotating rod, and the surface of the rotating rod in the groove is provided with a finger holding rod.

[0010] Preferably, the inside of the groove is provided with a protective shell through threaded connection, and the top of the protective shell is provided with a finger holding groove.

[0011] Preferably, the bottom of the cover is fixedly provided with a stop ring for limiting the movable range of the push-pull plate.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、In the utility model, the rotating rod and the rotating disc are driven to rotate through the setting of the finger holding rod, the push-pull plate and the inserting rod are driven to move through the movable rod, after the inserting rod is moved to the outside of the supporting ring, the cover can be pulled up and down to drive the lifting support to slide up and down in the inside of the connecting ring, the cover can be conveniently opened to drain water and for the staff to enter the shaft, the cover is not separated from the shaft, the cover is not easily stolen with the shaft, the disassembly of the connecting ring is relatively inconvenient, the operation process of the thief is easily found, the good anti-theft effect can be further achieved, and the up-lifted cover can effectively prevent pedestrians from falling into the shaft. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a schematic view of the overall structure of the utility model;

[0015] Fig. 2 It is a bottom view of the overall structure of the utility model;

[0016] Fig. 3 It is a sectional view of the overall structure of the utility model.

[0017] In the drawing: 1, supporting ring; 2, connecting ring; 3, cover; 4, inserting hole; 5, positioning ring; 6, sliding rod; 7, inserting rod; 8, push-pull plate; 9, rotating rod; 10, rotating disc; 11, movable rod; 12, groove; 13, finger holding rod; 14, protective shell; 15, finger holding groove; 16, stop ring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3 The utility model discloses an anti -theft well lid, including the fixed installation in the shaft inside support ring 1, the inner ring of support ring 1 is detachably installed with the connecting ring 2 through multiple groups of bolts, the inside of connecting ring 2 is slidably installed with the lifting support, the top of lifting support is connected with lid 3, the inside of lifting support is slidably installed with the locating assembly that can be buckled to the inside of support ring 1, the top end and bottom end of locating assembly can be buckled to the inside of support ring 1, the inside of support ring 1 is provided with two groups of insertion hole 4 corresponding with locating assembly, the bottom of lid 3 is installed with the rotating piece of control multiple locating assembly moves simultaneously.

[0020] When installing the device, the support ring 1 can be fixed inside the shaft by pouring concrete or the like. The support ring 1 can be arranged at a certain position away from the well mouth, and the inner ring thereof is detachably installed with the connecting ring 2, so as to facilitate replacement of the entire well lid when the lid is damaged. When it is necessary to open the well lid for drainage or internal equipment maintenance, the rotating piece can be rotated to drive the multiple locating assemblies to move, the locating assemblies are moved to the outside of the support ring 1, the lifting support is pulled up and down to lift the lid 3 to the topmost position, and the rotating piece is rotated again to embed the bottom end of the locating assembly into the inside of the support ring 1, so as to fix the lid 3 and the lifting support. The worker can enter the inside of the shaft through the gap in the lifting support to work.

[0021] When it is necessary to disassemble the well lid device from the shaft, the lid 3 needs to be lifted first, and then the connecting ring 2 needs to be disassembled from the support ring 1 by the worker on the ground. The thief needs a certain time length to perform the above operation, and is extremely easy to be discovered by the surrounding pedestrians, so as to achieve good anti-theft effect.

[0022] In one embodiment, specifically, the lifting support includes two sets of positioning rings 5, three sets of sliding rods 6 are installed between the two sets of positioning rings 5 and are in sliding connection with the connecting ring 2, the top of the top positioning ring 5 is connected with the lid 3, the locating assembly is slidably installed in the inside of the two sets of positioning rings 5, the assembly between the components can be assembled by welding connection, the top positioning ring 5 abuts against the top of the connecting ring 2 when the lid 3 is closed, the bottom positioning ring 5 abuts against the bottom of the connecting ring 2 when the lid 3 is opened, and a space for the worker to move is left between the sliding rods 6, so as to facilitate the worker to climb into the inside of the shaft between the two sets of sliding rods 6.

[0023] Specifically, the positioning assembly comprises two groups of insertion rods 7 slidingly connected inside the positioning ring 5, the two groups of insertion rods 7 are respectively located at the top end and the bottom end of the sliding rod 6, the end of the insertion rod 7 corresponds to the size of the insertion hole 4, the two groups of insertion rods 7 are connected between the end of the inner ring of the positioning ring 5, the top end side of the push-pull plate 8 is connected with the rotating part, each group of push-pull plates 8 is close to the sliding rod 6, the space between the push-pull plates 8 can be left for the staff to move, the movement of the push-pull plate 8 drives the two groups of insertion rods 7 to move together, which can conveniently embed the insertion rod 7 at the top or the bottom into the corresponding insertion hole 4.

[0024] The rotating part comprises a rotating rod 9 rotatably connected with the middle part of the cover 3, the bottom end of the rotating rod 9 is connected with a rotating disc 10, the outer ring of the rotating disc 10 is connected with the push-pull plate 8 through the hinged movable rod 11, the top center of the cover 3 is provided with a groove 12 for storing the top end of the rotating rod 9, the surface of the rotating rod 9 inside the groove 12 is provided with a finger grip rod 13, the operator rotates the finger grip rod 13 to drive the rotating rod 9 to rotate, the rotating rod 9 can drive the rotating disc 10 to rotate, the rotating disc 10 can drive the push-pull plate 8 and the insertion rod 7 to move through the movable rod 11.

[0025] Further, the inside of the groove 12 is provided with a protective shell 14 connected through threads, the top of the protective shell 14 is provided with a finger grip groove 15, which can prevent the finger grip rod 13 and other structures from being damaged by long-term pressure, and also facilitates improving the flatness of the top surface of the well lid, the bottom of the cover 3 is fixedly provided with a stop ring 16 limiting the movement range of the push-pull plate 8, which can conveniently control the movement range of the insertion rod 7 inside the positioning ring 5, and facilitate the actual operation of the device.

[0026] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An anti-theft manhole cover, characterized in that: Includes a support ring (1) fixedly installed inside the shaft, the inner ring of the support ring (1) is detachably installed with a connecting ring (2) by multiple sets of bolts, the connecting ring (2) is slidably installed with a lifting bracket inside, and the top of the lifting bracket is connected with a cover (3). The lifting bracket has a positioning component that can be snapped into the support ring (1) inside. The top and bottom of the positioning component can be snapped into the support ring (1). The support ring (1) has two sets of insertion holes (4) corresponding to the positioning component inside. The bottom of the cover (3) is equipped with a rotating component that controls the simultaneous movement of multiple positioning components.

2. The anti-theft manhole cover according to claim 1, characterized in that: The lifting bracket includes two sets of positioning rings (5) at the top and bottom. Three sets of sliding rods (6) that are slidably connected to the connecting ring (2) are installed between the two sets of positioning rings (5). The top of the top positioning ring (5) is connected to the cover (3). The positioning component is slidably installed inside the two sets of positioning rings (5).

3. The anti-theft manhole cover according to claim 2, characterized in that: The positioning component includes two sets of positioning rings (5) with sliding rods (7) connected inside. The two sets of rods (7) are located at the top and bottom of the slide rod (6) respectively. The ends of the rods (7) correspond to the size of the insertion holes (4). A push-pull plate (8) is connected between the ends of the two sets of rods (7) located in the inner ring of the positioning ring (5). The top side of the push-pull plate (8) is connected to the rotating part.

4. The anti-theft manhole cover according to claim 3, characterized in that: The rotating component includes a rotating rod (9) rotatably connected to the middle of the cover (3). The bottom end of the rotating rod (9) is connected to a turntable (10). The outer ring of the turntable (10) is connected to the push-pull plate (8) through a hinged movable rod (11). The top center of the cover (3) is provided with a groove (12) for storing the top end of the rotating rod (9). A finger grip rod (13) is installed on the surface of the rotating rod (9) inside the groove (12).

5. The anti-theft manhole cover according to claim 4, characterized in that: The interior of the groove (12) is fitted with a protective shell (14) by a threaded connection, and the top of the protective shell (14) is provided with a finger grip groove (15).

6. The anti-theft manhole cover according to claim 4, characterized in that: The bottom of the cover (3) is fixedly equipped with a retaining ring (16) that restricts the range of motion of the push-pull plate (8).

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