CN218880951U

CN218880951U - Manhole cover lockset device

Info

Publication number: CN218880951U
Application number: CN202220807702.0U
Authority: CN
Inventors: 赵邈; 郭晓燕; 邹光辉; 贺雪婷; 丁兴元; 田钦
Original assignee: Qingdao Accu Gauge Instrument Co ltd
Current assignee: Qingdao Accu Gauge Instrument Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2023-04-18
Anticipated expiration: 2032-04-08

Abstract

The utility model provides a manhole cover tool to lock device belongs to manhole cover tool to lock technical field. The safety lock comprises a fixing block fixedly connected with the ground, wherein a through hole is formed in the fixing block relative to the upper surface and the lower surface of the ground, and a manhole cover safety lock is arranged on the fixing block. The utility model discloses a control of screw rod can drive the rotation of manhole cover, can ensure that the manhole cover can not slide, and protection workman's life safety also can easily be controlled subaerial and the operation of underground, and is very convenient.

Description

Manhole cover lockset device

Technical Field

The utility model provides a manhole cover tool to lock device belongs to manhole cover tool to lock technical field.

Background

The manhole cover is a general term for a cover plate and its fixing accessories having sealing performance installed on the manhole. Manhole covers can be classified into protruding types and embedded types according to whether the manhole cover is installed to be higher than the surface of the opening. The manhole covers are applied to many places of municipal engineering, certain physical strength can be consumed during overturning due to the large weight of the manhole covers, certain influence is also brought to the life safety of workers, and a device with high safety needs to be designed to ensure the safety of the workers.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, a manhole cover tool to lock device that provides. In order to solve the problems, the provided technical scheme is as follows: the utility model provides a manhole cover tool to lock device, includes the fixed block with ground fixed connection, be equipped with the through-hole about the subaerial below on in the fixed block, be equipped with manhole cover safety lock on the fixed block, manhole cover safety lock is including corresponding through-hole setting and with the articulated manhole cover of being connected of fixed block, the manhole cover downside is kept away from one side articulated the being equipped with bracing piece of the pin joint of manhole cover and through-hole, be equipped with cavity one in the fixed block, a cavity internal rotation is equipped with the screw rod, threaded connection is equipped with the movable block on the screw rod, the bottom surface is equipped with the bar through-hole in the fixed block, the bar through-hole communicates with cavity one each other, the movable block passes through the one end that the bar through-hole extends and is articulated the being connected with the bracing piece, the one side of keeping away from the pin joint in the fixed block is equipped with cavity two, the one end that the screw rod extended into cavity two is equipped with bevel gear one, the downside all rotates in the cavity two and is equipped with bevel gear two, bevel gear one intermeshing, bevel gear two all are equipped with the transfer line on bevel gear, the bevel gear two, the one end that extends separately is equipped with the knob, be equipped with the polygon recess in the knob.

Furthermore, the moving block is connected with the strip-shaped through hole in a sliding mode, so that the moving stability is improved, and the overall use safety is improved.

Furthermore, the polygonal groove is a regular hexagon groove, and the regular hexagon groove is common and convenient to operate, so that the cost can be reduced.

Furthermore, a handle is arranged on one side, close to the knob, of the upper side face of the manhole cover, so that the manhole cover can be conveniently and auxiliarily controlled to rotate.

Furthermore, the side surface on the fixed block is hinged with a cover plate corresponding to the knob, so that damage of ground traffic to the knob and accumulation of dust are reduced.

Furthermore, one side of the lower side surface of the manhole cover, which is far away from the hinge point, is provided with a spring, and a buffer plate is arranged below the spring, so that the manhole cover can conveniently rise and fall.

The utility model has the advantages that:

the utility model discloses a rotation of manhole cover can be driven in the control of screw rod, can ensure that the manhole cover can not slide, and protection workman's life safety also can easily control subaerial and subaerial operation, and is very convenient.

Drawings

Fig. 1 is a schematic structural view of a manhole cover lock device of the present invention.

Fig. 2 is a top view of the manhole cover locking device after the manhole plate is opened.

Fig. 3 is a schematic view of a region a of the manhole cover lock device of the present invention.

Fig. 4 is a top view of a knob of a manhole cover lock assembly of the present invention.

As shown in the figure:

1. the device comprises a fixing block, 2, through holes, 3, a manhole cover, 4, a supporting rod, 5, a first cavity, 6, a screw, 7, a moving block, 8, a strip-shaped through hole, 9, a second cavity, 10, a first bevel gear, 11, a second bevel gear, 12, a transmission rod, 13, a knob, 14, a polygonal groove, 15, a handle, 16, a cover plate, 17, a spring, 18 and a buffer plate.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

According to all the figures:

the utility model provides a manhole cover lockset device, includes fixed block 1 with ground fixed connection, be equipped with through-hole 2 below the ground in the fixed block 1, be equipped with manhole cover safety lock on the fixed block 1, manhole cover safety lock is including the manhole cover 3 that corresponds through-hole 2 setting and is connected with fixed block 1 is articulated, one side that manhole cover 3 and through-hole 2's pin joint was kept away from to manhole cover 3 downside articulates and is equipped with bracing piece 4, be equipped with cavity one 5 in the fixed block 1, the internal rotation of cavity one 5 is equipped with screw rod 6, threaded connection is equipped with movable block 7 on the screw rod 6, the bottom surface is equipped with bar through-hole 8 in the fixed block 1, bar through-hole 8 and cavity one 5 intercommunicate, the one end that movable block 7 extends through bar through-hole 8 is connected with bracing piece 4 is articulated, one side of keeping away from the pin joint in the fixed block 1 is equipped with cavity two 9, the one end that screw rod 6 extends into cavity two 9 is equipped with bevel gear one 10, the inboard all rotates from top to bottom in cavity two 9 and is equipped with bevel gear two 11, bevel gear two 11 and bevel gear 10 intermeshing, all be equipped with bevel gear two 11 on the fixed block 11, all be equipped with drive link 12, the one end that drive link 12 extends out of fixed block 1 separately, be equipped with polygon knob 13 in the fixed block 13 the recess 14.

Furthermore, the moving block 7 is connected with the strip-shaped through hole 8 in a sliding mode, so that the moving stability is improved, and the overall use safety is improved.

Further, the polygonal groove 14 is a regular hexagonal groove, and the regular hexagonal groove is common and convenient to operate, so that the cost can be reduced.

Further, a handle 15 is arranged on one side, close to the knob 13, of the upper side surface of the manhole cover 3, so that the rotation of the manhole cover 3 can be conveniently and auxiliarily controlled.

Furthermore, the upper side surface of the fixed block 1 is hinged with a cover plate 16 corresponding to the knob 13, so that damage to the knob 13 caused by ground traffic and accumulation of dust are reduced.

Further, a spring 17 is arranged on one side, away from the hinge point, of the lower side surface of the manhole cover 3, and a buffer plate 18 is arranged below the spring 17, so that the manhole cover 3 can conveniently ascend and descend.

The utility model discloses when concrete implementation:

when the workman is under construction, open apron 16, agree with each other with polygon recess 14 through the instrument, rotatory knob 13, it is rotatory to drive transfer line 12, it is rotatory to drive two bevel gear 11, it is rotatory to drive one bevel gear 10, it is rotatory to drive screw rod 6, it removes to drive movable block 7, it removes to drive bracing piece 4, slowly open manhole cover 3, the workman can carry out outside of the ground and inside operation through-hole 2, the design of the two-sided knob 13 of design, can open and shut at subaerial below control manhole cover 3, certain practicality has, can also reduce the cost of manufacture.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A manhole cover lockset device is characterized in that: the improved manhole cover safety lock comprises a fixing block fixedly connected with the ground, wherein a through hole is formed in the fixing block and is arranged on the upper surface and the lower surface of the ground, a manhole cover safety lock is arranged on the fixing block and comprises a manhole cover which is arranged corresponding to the through hole and is hinged to the fixing block, a supporting rod is hinged to one side, away from a hinge point of the manhole cover and the through hole, of the lower side of the manhole cover, a first cavity is arranged in the fixing block, a screw is arranged in the first cavity in a rotating mode, a moving block is arranged on the screw in a threaded connection mode, a strip-shaped through hole is formed in the inner bottom surface of the fixing block and is communicated with the first cavity, the moving block is hinged to the supporting rod through one end, extending out of the strip-shaped through hole, a second cavity is arranged on one side, away from the hinge point, one end, extending into the second cavity, of the screw is provided with a first bevel gear, the upper side and the lower side in the second cavity are all rotatably provided with a second bevel gear, the second bevel gear is mutually meshed with a transmission rod, one end, extending out of the fixing block is provided with a knob, and a polygonal groove is formed in the knob.

2. A manhole cover locking apparatus according to claim 1, wherein: the moving block is connected with the strip-shaped through hole in a sliding mode.

3. A manhole cover locking apparatus according to claim 1, wherein: the polygonal groove is a regular hexagon groove.

4. A manhole cover locking apparatus according to claim 1, wherein: and a handle is arranged on one side of the upper side surface of the manhole cover, which is close to the knob.

5. A manhole cover locking apparatus according to claim 1, wherein: and the upper side surface of the fixed block is hinged with a cover plate corresponding to the knob.

6. A manhole cover locking apparatus according to claim 1, wherein: one side of the lower side face of the manhole cover, which is far away from the hinge point, is provided with a spring, and a buffer plate is arranged below the spring.