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CN-224213374-U - Fastening and locking mechanism for manhole cover

CN224213374UCN 224213374 UCN224213374 UCN 224213374UCN-224213374-U

Abstract

The well lid buckling and locking mechanism comprises a well seat, a well lid body, a rotating assembly and a locking piece, wherein the well lid body is installed on the well seat and used for covering the well seat, the rotating assembly is arranged on the well seat and used for rotationally connecting the well seat and the well lid body, the well seat comprises a well body, a rotating shaft groove, a locking groove and the locking piece, the rotating assembly is arranged on the rotating shaft groove, the locking piece comprises horizontal channels, locking parts and limiting rings, the horizontal channels are arranged on two side wall surfaces of the locking groove, the limiting rings are arranged in the horizontal channels, the limiting rings are arranged at free ends of the horizontal channels and used for limiting the locking parts, the locking channels are arranged on the horizontal channels and correspond to the well lid body and are matched with the locking parts, and the well lid buckling and locking mechanism can effectively prevent an unauthorized person from easily opening the well lid body through the structure of the locking piece, so that safety is improved.

Inventors

  • YANG JIE

Assignees

  • 杨杰

Dates

Publication Date
20260508
Application Date
20250519

Claims (10)

  1. 1. The well lid buckling and locking mechanism is characterized by comprising a well seat, a well lid body, a rotating assembly and a locking piece, wherein the well lid body is installed on the well seat and used for covering the well seat, the rotating assembly is arranged on the well seat and used for rotationally connecting the well seat and the well lid body, the well seat comprises a well body, a rotating shaft groove, a locking groove and the locking piece, the rotating assembly is arranged on the rotating shaft groove, the locking piece is arranged on the locking groove and comprises horizontal channels, locking parts and limiting rings, the horizontal channels are arranged on two side wall surfaces of the locking groove, the limiting rings are arranged in the horizontal channels, the limiting rings are arranged at the free ends of the horizontal channels and used for limiting the locking parts, and the locking channels are arranged on the horizontal channels and correspond to the well lid body and matched with the locking parts.
  2. 2. The well lid buckling and locking mechanism according to claim 1, wherein the locking part comprises a first spring installed in the horizontal channel and a locking ball installed at the free end of the first spring, and the other end of the locking ball is propped against the limiting ring.
  3. 3. The well lid fastening and locking mechanism according to claim 1, wherein the locking member further comprises a limiting portion arranged on the inner wall of the well seat, a fixing portion arranged on the bottom of the well lid body, and an elastic portion arranged on the fixing portion and matched with the limiting portion.
  4. 4. The well lid buckling and locking mechanism according to claim 3, wherein the limiting part is an upper convex ring, a lower convex ring and a limiting cavity formed between the upper convex ring and the lower convex ring which are arranged on the inner wall of the well lid body, and the elastic part is an elastic arm arranged on the fixing part and an elastic bump which is arranged on the elastic arm and matched with the limiting cavity.
  5. 5. The well lid lock locking mechanism of claim 4, wherein the elastic portion further comprises a limit bump disposed on the well lid body, the limit bump being disposed opposite the elastic arm.
  6. 6. The well lid lock locking mechanism of claim 1, wherein the well seat further comprises an alarm groove arranged on the well body, a mounting groove arranged on the inner wall of the alarm groove, and an alarm piece arranged in the mounting groove.
  7. 7. The manhole cover fastening and locking mechanism according to claim 6, wherein the alarm member comprises a second spring arranged in the mounting groove, a sensing ball arranged at the free end of the second spring, and a buzzer arranged in the manhole seat and electrically connected with the sensing ball, and when the manhole cover body is opened from the manhole seat, the sensing ball pops out of the mounting groove, and at the moment, the sensing ball conducts the buzzer in the manhole seat.
  8. 8. The well lid lock locking mechanism of claim 1, wherein the rotating assembly comprises a rotating roller mounted in the rotating shaft groove, and the well lid body is rotatably mounted on the rotating roller.
  9. 9. The manhole cover snap lock mechanism of claim 8, wherein the rotating assembly further comprises a mounting channel provided on the rotating roller, a torsion spring provided on the mounting channel.
  10. 10. The well lid snap locking mechanism of claim 1, further comprising a hidden slot disposed on the well lid body and a hand grip rotatably mounted within the hidden slot.

Description

Fastening and locking mechanism for manhole cover Technical Field The utility model relates to the technical field of well covers, in particular to a well cover buckling and locking mechanism. Background The well cover is an important component of urban infrastructure, can prevent pedestrians and vehicles from falling into the well and protect underground facilities from external damage, and the traditional well cover structure often lacks an effective locking mechanism, so that unauthorized persons can easily open the well cover, thereby easily causing potential safety hazards. Disclosure of utility model Based on the above, the utility model aims to provide a well lid buckling and locking mechanism. The utility model adopts the following technical scheme: The well lid buckling and locking mechanism comprises a well seat, a well lid body, a rotating assembly and a locking piece, wherein the well lid body is installed on the well seat and used for covering the well seat, the rotating assembly is arranged on the well seat and used for rotationally connecting the well seat and the well lid body, the well seat comprises a well body, a rotating shaft groove, a locking groove and the locking piece, the rotating assembly is arranged on the rotating shaft groove, the locking piece is arranged on the locking groove and comprises horizontal channels, locking parts and limiting rings, the horizontal channels are arranged on two side wall surfaces of the locking groove, the limiting rings are arranged in the horizontal channels, the limiting rings are arranged at free ends of the horizontal channels and used for limiting the locking parts, and the locking channels are arranged on the horizontal channels and correspond to the well lid body and matched with the locking parts. Further, the locking part comprises a first spring arranged in the horizontal channel and a locking ball arranged at the free end of the first spring, and the other end of the locking ball is propped against the limiting ring. Further, the locking piece further comprises a limiting part arranged on the inner wall of the well seat, a fixing part arranged at the bottom of the well lid body, and an elastic part arranged on the fixing part and matched with the limiting part. Further, the limiting part is an upper convex ring and a lower convex ring which are arranged on the inner wall of the well lid body, and a limiting cavity formed between the upper convex ring and the lower convex ring, and the elastic part is an elastic arm arranged on the fixing part and an elastic lug which is arranged on the elastic arm and matched with the limiting cavity. Further, the elastic part further comprises a limiting lug arranged on the well lid body, and the limiting lug and the elastic arm are oppositely arranged. Further, the well seat further comprises an alarm groove arranged on the well body, an installation groove arranged on the inner wall of the alarm groove and an alarm piece arranged in the installation groove. Further, the alarm piece comprises a second spring arranged in the mounting groove, a sensing ball arranged at the free end of the spring, and a buzzer arranged in the well seat and electrically connected with the sensing ball, when the well lid body is opened from the well seat, the sensing ball pops out of the mounting groove, and at the moment, the sensing ball conducts the buzzer in the well seat. Further, the rotating assembly comprises a rotating roller arranged in the rotating shaft groove, and the well lid body is rotatably arranged on the rotating roller. Further, the rotating assembly further comprises a mounting channel arranged on the rotating roller and a torsion spring arranged on the mounting channel. Further, the well lid buckling and locking mechanism further comprises a hidden groove arranged on the well lid body and a hand pulling handle rotatably arranged in the hidden groove. The beneficial effects of the utility model are as follows: The well lid buckling and locking mechanism can effectively prevent unauthorized personnel from easily opening the well lid body through the structure of the locking piece, so that safety is improved, and the cooperation of the limiting ring and the locking part ensures that the well lid body cannot be accidentally opened due to external force in a closed state, so that safety of pedestrians and vehicles is ensured. Drawings FIG. 1 is a perspective view of a manhole cover snap locking mechanism according to an embodiment of the utility model; FIG. 2 is an exploded view of the manhole cover snap lock mechanism of FIG. 1; FIG. 3 is an exploded view of the manhole cover snap lock mechanism of FIG. 2 at another angle; FIG. 4 is a front cross-sectional view of the manhole cover snap lock mechanism of FIG. 1; FIG. 5 is a top cross-sectional view of the manhole cover snap lock mechanism of FIG. 1; FIG. 6 is an enlarged view of a portion of the manhole cover snap lock mechanism of FIG. 5; FIG. 7 is an enla