CN220394652U

CN220394652U - Antitheft manhole cover

Info

Publication number: CN220394652U
Application number: CN202321845168.3U
Authority: CN
Inventors: 董鑫鑫
Original assignee: Taizhou Sitong Water Supply And Sewage Material Co ltd
Current assignee: Taizhou Sitong Water Supply And Sewage Material Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-26
Anticipated expiration: 2033-07-13

Abstract

The utility model relates to the technical field of inspection well covers and discloses an anti-theft inspection well cover which comprises a cover support, wherein the inner wall of the cover support is detachably connected with a cover body, a rotating assembly is arranged in the cover body, a limiting assembly is arranged in the cover support, the rotating assembly comprises a through groove, an inner cavity is formed in the cover body, and a protective shell is fixedly connected to the bottom of the cover body. This theftproof inspection shaft lid is provided with logical groove, inner chamber, protecting crust, fixed bearing, dwang, gear, removal pinion rack, fixed slot, key hole and first key, when the installation lid, the staff inserts first key into the key hole and rotates to make and remove the pinion rack and remove and stretch into the fixed slot and carry out spacingly, the staff of being convenient for carries out stable installation and dismantlement, after installing the lid, the staff takes away first key, does not have supporting first key just can't take off the lid, can prevent burglary.

Description

Antitheft manhole cover

Technical Field

The utility model relates to the technical field of inspection well covers, in particular to an anti-theft inspection well cover.

Background

At present, in the modern process of cities, underground pipelines such as a sewer, an underground gas pipeline, a tap water pipeline, an electric pipeline, a communication pipeline and the like exist in urban construction, and in order to prevent people from accidentally falling, an inspection well cover is needed to cover the underground pipelines, and the existing inspection well cover is various and made of various materials, such as an inspection well cover made of composite molding materials.

The existing manhole cover is generally only simply arranged on a wellhead, so that the condition that the manhole cover is lost and stolen frequently occurs, and colleagues causing economic loss have small potential safety hazards.

The prior art publication No. CN205399495U patent document provides the theftproof inspection shaft lid, and the cardboard of this theftproof inspection shaft lid can carry out the joint with the draw-in groove on the wall of a well through the drive of knob, and the locking closure that the knob covered can only be opened through special key, and its greatly increased stolen degree of difficulty effectively prevents the emergence of stolen phenomenon.

The above-mentioned prior art, although can only open it through dedicated key, theftproof effect is not good when carrying out the theftproof, can not carry out stable installation and dismantlement inspection shaft lid as required, can not be fine carry out spacingly to the inspection shaft lid, can not satisfy people's needs, therefore, we need an theftproof inspection shaft lid.

Disclosure of Invention

The utility model aims to provide an anti-theft inspection well cover so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the anti-theft inspection well cover comprises a cover support, wherein the inner wall of the cover support is detachably connected with a cover body, a rotating assembly is arranged in the cover body, and a limiting assembly is arranged in the cover support;

the rotating assembly comprises a through groove, an inner cavity is formed in the cover body, the bottom of the cover body is fixedly connected with a protective shell, the inner bottom end of the inner cavity is fixedly connected with a fixed bearing, the inner wall of the fixed bearing is provided with a rotating rod, one end of the rotating rod is fixedly connected with a gear, the outer wall of the gear is in meshed connection with a movable toothed plate, the inner wall of the cover support is provided with a fixed groove, the top end of the rotating rod is provided with a key hole, and the inner wall of the key hole is provided with a first key;

the limiting component comprises a limiting groove, the outer wall of the cover support is provided with a sliding groove, the inner wall of the sliding groove is provided with a long groove, the inner wall of the long groove is fixedly connected with a reset spring, one end of the reset spring is provided with a round head, the inner wall of the sliding groove is slidably connected with a limiting block, the outer wall of the limiting block is provided with a round hole, one side of the limiting block is provided with a threaded hole, and the inner wall of the threaded hole is in threaded connection with a second key.

Preferably, the top of the cover body is provided with a through hole, and the inner wall of the through groove is connected with a plug cover in a clamping manner.

Preferably, the shape and the size of the fixed bearing are matched with those of the rotating rod, and one end of the rotating rod extends into the fixed bearing to be connected.

Preferably, the shape and the size of the movable toothed plate are matched with those of the fixed groove, and one end of the movable toothed plate extends into the fixed groove for connection.

Preferably, the shape and the size of the key hole are matched with those of the first key, and one end of the first key extends into the key hole to be connected.

Preferably, the cover support forms a sliding structure with the round head through the long groove, and one end of the round head extends into the long groove to be connected.

Preferably, the limiting block and the second key form a threaded structure through a threaded hole, and one end of the second key extends into the threaded hole to be connected.

Compared with the prior art, the utility model has the following beneficial effects:

the first key is inserted into the key hole by a worker to rotate when the cover body is installed, so that the movable toothed plate moves to extend into the fixed groove to limit, the worker can stably install and detach the cover body conveniently, the first key is taken away by the worker after the cover body is installed, and the cover body cannot be taken down without the matched first key, so that theft prevention can be performed.

The second key is provided with the limiting groove, the sliding groove, the long groove, the reset spring, the round head, the limiting block, the round hole, the threaded hole and the second key, when the cover body is installed, a worker pushes the limiting block through the second key, the limiting block moves and stretches into the limiting groove to limit, the round head limits the limiting block through the elastic force of the reset spring, the cover body is installed, the worker takes the second key off, and a layer of anti-theft is additionally arranged on the basis of the first layer of anti-theft, so that the anti-theft effect is enhanced, and the practicability is enhanced.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of the structure of the lid and the cover of the present utility model;

FIG. 3 is a schematic view of the structure of the gear and the movable toothed plate of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 5 is a schematic diagram of a stopper and a second key according to the present utility model.

Wherein: 1. a cover support; 2. a cover body; 3. a rotating assembly; 301. a through groove; 302. an inner cavity; 303. a protective shell; 304. fixing a bearing; 305. a rotating lever; 306. a gear; 307. moving the toothed plate; 308. a fixing groove; 309. a key hole; 310. a first key; 4. a limit component; 401. a limit groove; 402. a chute; 403. a long groove; 404. a return spring; 405. round head; 406. a limiting block; 407. a round hole; 408. a threaded hole; 409. a second key; 5. a through hole; 6. and (5) plugging a cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, an anti-theft inspection well cover comprises a cover support 1, wherein the inner wall of the cover support 1 is detachably connected with a cover body 2, a rotating component 3 is arranged in the cover body 2, a limiting component 4 is arranged in the cover support 1, the rotating component 3 comprises a through groove 301, an inner cavity 302 is formed in the cover body 2, the bottom of the cover body 2 is fixedly connected with a protective shell 303, the inner bottom end of the inner cavity 302 is fixedly connected with a fixed bearing 304, the inner wall of the fixed bearing 304 is provided with a rotating rod 305, one end of the rotating rod 305 is fixedly connected with a gear 306, the outer wall of the gear 306 is in meshed connection with a movable toothed plate 307, a fixed groove 308 is formed in the inner wall of the cover support 1, a key hole 309 is formed in the top end of the rotating rod 305, a first key 310 is arranged in the inner wall of the key hole 309, the limiting component 4 comprises a limiting groove 401, a chute 402 is formed in the outer wall of the cover support 1, a long groove 403 is formed in the inner wall of the chute 402, a reset spring 404 is fixedly connected with the inner wall of the chute 403, one end of the reset spring 404 is fixedly connected with a round head 405, one end of the reset spring 404 is fixedly connected with a threaded hole 408, and a threaded hole 408 is formed in the threaded hole 408 is connected with the inner wall 408, and the threaded hole 408 is connected with one side of the threaded hole 408.

Through the above technical scheme, when installing lid 2, the staff inserts first key 310 into the key hole 309 and rotates, thereby make and remove toothed plate 307 and remove and stretch into and carry out spacingly in fixed slot 308, the staff of being convenient for carries out stable installation and dismantlement, after installing lid 2, the staff takes off first key 310, the lid 2 just can not be taken off to the first key 310 that does not support, can prevent burglary, when carrying out the installation to lid 2, the staff promotes stopper 406 through using second key 409, stopper 406 removes and stretches into spacing in spacing groove 401, the button head 405 carries out spacing to stopper 406 through reset spring 404's elasticity, accomplish the installation to lid 2, the staff takes off second key 409, add one deck theftproof again on the basis of first layer theftproof, the effect of theftproof has been strengthened, the practicality has been strengthened.

Specifically, the top of the cover body 2 is provided with a through hole 5, and the inner wall of the through groove 301 is connected with a plug cover 6 in a clamping manner.

Through the technical scheme, the water flow conveniently flows into the pipeline from the cover body 2 through the plurality of groups of through holes 5, the plug cover 6 is arranged to be inserted into the through groove 301 for installation, rainwater can be prevented from entering the inner cavity 302, and the rainwater enters the inner cavity 302 and is led out by the drainage channel.

Specifically, the shape and size of the fixed bearing 304 are matched with those of the rotating rod 305, and one end of the rotating rod 305 extends into the fixed bearing 304 for connection.

Through the technical scheme, the connecting effect between the fixed bearing 304 and the rotating rod 305 is enhanced, so that the rotating rod 305 is more stable to rotate by means of the fixed bearing 304 during rotation.

Specifically, the shape and size of the movable toothed plate 307 are matched with those of the fixed slot 308, and one end of the movable toothed plate 307 extends into the fixed slot 308 for connection.

Through the above technical scheme, the connecting effect between the movable toothed plate 307 and the fixed groove 308 is enhanced, so that the movable toothed plate 307 can well extend into the fixed groove 308 to be limited, and the side, close to the fixed groove 308, of the protective shell 303 is provided with a slideway, so that the movable toothed plate 307 is more stable in moving.

Specifically, the shape and size of the keyhole 309 are matched with those of the first key 310, and one end of the first key 310 extends into the keyhole 309 for connection.

Through the above technical scheme, the connecting effect between the key hole 309 and the first key 310 is enhanced, so that the first key 310 can be well inserted into the key hole 309 for connection, and the shape of the key hole 309 is matched with the shape of the first key 310, and can be various shapes.

Specifically, the cover holder 1 and the round head 405 form a sliding structure through the long groove 403, and one end of the round head 405 extends into the long groove 403 to be connected.

Through the technical scheme, the connecting effect between the cover support 1 and the long groove 403 and the round head 405 is enhanced, so that the round head 405 can well slide in the long groove 403, and the sliding stability of the round head 405 in the long groove 403 is enhanced.

Specifically, the stopper 406 and the second key 409 form a threaded structure through the threaded hole 408, and one end of the second key 409 extends into the threaded hole 408 to be connected.

Through the above technical scheme, the connection effect between the limiting block 406 and the threaded hole 408 and the second key 409 is enhanced, one end of the second key 409 is provided with external threads, the external threads and the threaded hole 408 are mutually matched, and the second key 409 can be well in threaded installation with the limiting block 406.

When the anti-theft lock is used, firstly, when the anti-theft lock is installed, a worker puts the cover body 2 into the cover holder 1, then the worker takes out the first key 310 and inserts the first key 310 into the key hole 309 on the rotating rod 305 to rotate, the rotating rod 305 rotates to drive the gear 306 to rotate by virtue of the fixed bearing 304, the gear 306 rotates to enable the movable toothed plate 307 to move, the movable toothed plate 307 moves out of the protective shell 303 and stretches into the fixed groove 308 to be limited, then the worker stretches into the sliding groove 402 to be fastened with the limiting block 406 by threads, the worker pushes the second key 409 to drive the limiting block 406 to move, the limiting block 406 moves to drive the round hole 407 to bear force to squeeze the round head 405, the round head 405 bears force to slide in the long groove 403, the reset spring 404 bears force to deform and shrink, the round head 405 stretches into the limiting groove 401 to be limited under the action of force, and when the round head 405 slides into the next round hole 407, the reset spring 404 rebounds to stretch into the round head 405 to the round hole 407 to be limited, the second key 409 is rotated to enable the second key 409 to be separated from the limiting block 406, the first key 409 to move from the limiting block 406, the first key 409 is driven to move the round hole 406, the second key 409 to move the round head 406 to be separated from the limiting block 406, the round head 406 is completely separated from the key 406, the key is completely moved by the key 409, and the key is completely lost by the worker, and the key is completely known by the person, and the user.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an theftproof inspection shaft lid, includes lid support (1), its characterized in that: the inner wall of the cover support (1) is detachably connected with a cover body (2), a rotating assembly (3) is arranged in the cover body (2), and a limiting assembly (4) is arranged in the cover support (1);

the rotating assembly (3) comprises a through groove (301), an inner cavity (302) is formed in the cover body (2), a protective shell (303) is fixedly connected to the bottom of the cover body (2), a fixed bearing (304) is fixedly connected to the bottom of the inner cavity (302), a rotating rod (305) is arranged on the inner wall of the fixed bearing (304), a gear (306) is fixedly connected to one end of the rotating rod (305), a movable toothed plate (307) is connected to the outer wall of the gear (306) in a meshed mode, a fixed groove (308) is formed in the inner wall of the cover support (1), a key hole (309) is formed in the top end of the rotating rod (305), and a first key (310) is arranged on the inner wall of the key hole (309);

limiting component (4) are including spacing groove (401), spout (402) have been seted up to the outer wall of lid support (1), and elongated slot (403) have been seted up to the inner wall of spout (402), the inner wall fixedly connected with reset spring (404) of elongated slot (403), and the one end of reset spring (404) is provided with button head (405), the inner wall sliding connection of spout (402) has stopper (406), and round hole (407) have been seted up to the outer wall of stopper (406), screw hole (408) have been seted up to one side of stopper (406), and the inner wall threaded connection of screw hole (408) has second key (409).

2. An anti-theft inspection well cover according to claim 1, characterized in that: the top of the cover body (2) is provided with a through hole (5), and the inner wall of the through groove (301) is connected with a plug cover (6) in a clamping way.

3. An anti-theft inspection well cover according to claim 1, characterized in that: the shape and the size of the fixed bearing (304) are matched with those of the rotating rod (305), and one end of the rotating rod (305) extends into the fixed bearing (304) to be connected.

4. An anti-theft inspection well cover according to claim 1, characterized in that: the shape and the size of the movable toothed plate (307) are matched with those of the fixed groove (308), and one end of the movable toothed plate (307) extends into the fixed groove (308) for connection.

5. An anti-theft inspection well cover according to claim 1, characterized in that: the shape and the size of the key hole (309) are matched with those of the first key (310), and one end of the first key (310) extends into the key hole (309) to be connected.

6. An anti-theft inspection well cover according to claim 1, characterized in that: the cover support (1) and the round head (405) form a sliding structure through the long groove (403), and one end of the round head (405) extends into the long groove (403) to be connected.

7. An anti-theft inspection well cover according to claim 1, characterized in that: the limiting block (406) and the second key (409) form a threaded structure through the threaded hole (408), and one end of the second key (409) extends into the threaded hole (408) to be connected.