CN219527739U - Bump type locking mechanism - Google Patents

Abstract

The utility model aims to provide a bump type locking mechanism which comprises a handle bar, bumps and a push rod device, wherein a vertical rod of the handle bar penetrates through a well lid to be fixedly connected with the center of each bump and synchronously rotates horizontally; when the handle rod drives the convex block to rotate until the convex edge contacts with the left end of the ejector rod, the convex block pushes the right end of the ejector rod to extend from the bottom surface of the well lid to the bottom surface of the well ring to form locking, and at the moment, the handle rod cannot be held by a hand to lift the well lid; the lug type locking mechanism has the advantages of simple structure, simplicity, convenience and practicability, hidden arrangement, safety, attractive appearance, low cost and wide application.

Description

Bump type locking mechanism

Technical Field

The utility model relates to the field of mechanical locking mechanisms, in particular to a bump type locking mechanism.

Background

The locking mechanism of the traditional well lid is arranged outside and protrudes out of the plane of the well lid, and is completely exposed outside, so that the traditional well lid is not attractive, and has objective defects of traffic or working space obstruction, easy damage and the like.

The utility model relates to the technical field of well covers, in particular to a locking device of a well cover plate, which comprises: the well lid is characterized by comprising a well frame and a well lid, wherein the well lid is inserted into the inner side of the well frame, a motor is installed at the lower end of the well lid, a controller is installed on the motor, a mounting groove is formed in the well lid, a driving cavity is formed in the well lid, and guide holes are symmetrically formed in the inner wall of the driving cavity. After the well lid is placed into the inner side of the well frame, the electric door lock is closed, the controller controls the motor to drive the elliptic disc to rotate to abut against the positioning rod, so that the positioning rod is inserted into the inner side of the annular wall positioning groove to align the well lid, then the electric door lock key is taken out, and the sealing cover is closed to lock the well lid, so that the anti-theft function can be realized.

The locking mechanism is arranged on the inner side of the well cover, but the parts of the locking mechanism comprise complex and heavy components such as a motor, an elliptical turntable and the like, which are high in cost and easy to damage, so that the locking mechanism is not beneficial to popularization and practicability.

Disclosure of Invention

The utility model aims to provide a bump type locking mechanism which comprises a handle bar, bumps and a push rod device, wherein a vertical rod of the handle bar penetrates through a well lid to be fixedly connected with the center of each bump and synchronously rotates horizontally; when the handle rod drives the convex block to rotate until the convex edge contacts with the left end of the ejector rod, the convex block pushes the right end of the ejector rod to extend from the bottom surface of the well lid to the bottom surface of the well ring to form locking, and at the moment, the handle rod cannot be held by a hand to lift the well lid; the lug type locking mechanism has the advantages of simple structure, simplicity, convenience and practicability, hidden arrangement, safety, attractive appearance, low cost and wide application.

In order to solve the problems, the utility model provides the following technical scheme:

a bump type locking mechanism comprises a handle bar, bumps and a push rod device;

the handle bar is arranged in a T shape formed by fixedly connecting one end of a vertical bar with the middle point of a cross bar, and a threaded hole is fixedly formed in the bottom of the vertical bar;

the lug is a cashew nut-shaped flat metal block with two ends protruding and middle recessed, the center of the lug is fixedly provided with a through hole, and the through hole is fixedly connected with the threaded hole at the bottom of the vertical rod of the handle rod through a bolt;

the ejector rod device comprises a shell, a spring and an ejector rod; the casing passes through a plurality of screw fixation in the well lid bottom surface, the left portion of ejector pin sets up to thick cylinder pole, the right part of ejector pin sets up to thin cylinder pole, the spring movable sleeve is located the right part of ejector pin sets up to thin cylinder pole periphery, the spring with the ejector pin is all movably inserted and is located in the cylinder cavity of casing.

The well cover is arranged in a round cake shape, a bump is arranged outwards at one edge of the well cover, a round shaft horizontally penetrates through the center of the bump and is in shaft connection with one edge of the well ring along a concave notch in a matched mode to turn over, a round groove is fixedly formed in the inner top surface of the other edge of the well cover, a through hole is formed in the center of the groove, the vertical rod of the handle rod penetrates through the through hole in the center of the groove from top to bottom, and the cross rod of the handle rod is movably arranged in the groove;

the well ring is arranged into a circular ring with a circle of steps with a larger upper part and a smaller lower part, and the well cover is movably embedded on the steps of the inner wall of the well ring.

Drawings

FIG. 1 is a schematic top view of the overall structure of the present utility model in a locked state;

FIG. 2 is a schematic bottom view of the overall structure of the present utility model in a locked state;

FIG. 3 is a schematic longitudinal section of the locked state overall structure of the present utility model;

FIG. 4 is a schematic top view of the overall structure of the utility model in an unlocked state;

FIG. 5 is a schematic view of the whole structure of the utility model in a bottom view in an unlocked state;

fig. 6 is a schematic longitudinal section of the whole structure of the unlocking state of the utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In this embodiment, as shown in fig. 1, 2, 3, 4, 5 and 6, a bump type locking mechanism comprises a handle bar 4, a bump 5 and a push rod device;

the handle bar 4 is arranged in a T shape formed by fixedly connecting one end of a vertical bar with the middle point of a cross bar, and a threaded hole is fixedly formed in the bottom of the vertical bar;

the lug 5 is a cashew nut-shaped flat metal block with two ends protruding and middle recessed, a through hole is fixedly arranged in the center of the lug 5, and the lug is fixedly connected with the threaded hole at the bottom of the vertical rod of the handle rod 4 through a bolt 9 and synchronously rotates horizontally;

the ejector rod device comprises a shell 6, a spring and an ejector rod 7; the casing 6 is fixed in well lid 2 bottom surface through a plurality of screw 8, the left portion of ejector pin 7 sets up to thick cylinder pole, the right part of ejector pin 7 sets up to thin cylinder pole, spring 11 movable sleeve is located the right part of ejector pin 7 sets up to thin cylinder pole periphery, spring 11 with ejector pin 7 all activity is inserted and is located in the cylinder cavity of casing 6.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, the well lid 2 is configured as a cake, a bump is disposed outwards on one edge of the well lid 2, a circular shaft 10 is horizontally inserted in the center of the bump and is coupled to and turned over along a recessed notch on one edge of the well ring 1, a circular groove 3 is fixedly disposed on the inner top surface of the other edge of the well lid 2, a through hole is disposed in the center of the groove 3, the vertical rod of the handle rod 4 is inserted into the through hole in the center of the groove 3 from top to bottom, and the cross rod of the handle rod 3 is movably disposed in the groove 3;

the well ring 1 is arranged into a ring with a circle of steps with a larger upper part and a smaller lower part, and the well cover 2 is movably embedded on the steps of the inner wall of the well ring 1.

Technical characteristics and working principle

And (3) locking under the cover:

firstly, when the handle rod 4 is rotated to drive the convex block 5 to rotate until the concave edge is contacted with the left end of the mandril 7, the spring 11 retracts the right end of the mandril 7 from the exposed state of the bottom surface of the well cover 2 to the bottom surface of the well cover 2;

at the moment, the handle bar 4 is held by hand to slowly cover the well lid 2 and embed the well lid 2 on the step of the well ring 1, and the top surface of the well lid 2 and the top surface of the well ring 1 form a plane;

then, when the handle rod 4 is rotated to drive the protruding block 5 to rotate to the position that the edge of the protruding head is abutted against the left end of the ejector rod 7, the protruding block 5 pushes the ejector rod 7 rightwards to eject the periphery of the bottom surface of the well lid 2 to extend into the bottom surface of the well ring 1, so that a lock catch is formed.

Unlocking and lifting processes:

firstly, when the handle rod 4 is rotated to drive the convex block 5 to rotate until the concave edge is contacted with the left end of the mandril 7, the spring 11 retracts the right end of the mandril 7 from the bottom surface of the well ring 1 to the bottom surface of the well cover 2;

at this time, the handle bar 4 is held by hand to slowly lift the well lid 2, so as to unlock and lift the well lid.

Compared with the prior art, the utility model has the advantages that:

the utility model aims to provide a bump type locking mechanism which comprises a handle bar, bumps and a push rod device, wherein a vertical rod of the handle bar penetrates through a well lid to be fixedly connected with the center of each bump and synchronously rotates horizontally; when the handle rod drives the convex block to rotate until the convex edge contacts with the left end of the ejector rod, the convex block pushes the right end of the ejector rod to extend from the bottom surface of the well lid to the bottom surface of the well ring to form locking, and at the moment, the handle rod cannot be held by a hand to lift the well lid; the lug type locking mechanism has the advantages of simple structure, simplicity, convenience and practicability, hidden arrangement, safety, attractive appearance, low cost and wide application.

Finally, it should be noted that: the specific embodiments described herein are offered by way of illustration only and not as limitations on the practice of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner, and need not and cannot fully practice all of the embodiments. While these obvious variations and modifications, which come within the spirit of the utility model, are within the scope of the utility model, they are to be construed as being without departing from the spirit of the utility model.

Claims (2)

1. A bump lock mechanism, characterized in that: comprises a handle bar, a lug and a push rod device;

the handle bar is arranged in a T shape formed by fixedly connecting one end of a vertical bar with the middle point of a cross bar, and a threaded hole is fixedly formed in the bottom of the vertical bar;

the lug is a cashew nut-shaped flat metal block with two ends protruding and middle recessed, the center of the lug is fixedly provided with a through hole, and the through hole is fixedly connected with the threaded hole at the bottom of the vertical rod of the handle rod through a bolt;

the ejector rod device comprises a shell, a spring and an ejector rod; the casing passes through a plurality of screw fixation in the well lid bottom surface, the left portion of ejector pin sets up to thick cylinder pole, the right part of ejector pin sets up to thin cylinder pole, the spring movable sleeve is located the right part of ejector pin sets up to thin cylinder pole periphery, the spring with the ejector pin is all movably inserted and is located in the cylinder cavity of casing.

2. A cam-type locking mechanism according to claim 1, wherein: the well cover is arranged in a round cake shape, a bump is arranged outwards at one edge of the well cover, a round shaft horizontally penetrates through the center of the bump and is in shaft connection with one edge of the well ring along a concave notch in a matched mode to turn over, a round groove is fixedly formed in the inner top surface of the other edge of the well cover, a through hole is formed in the center of the groove, the vertical rod of the handle rod penetrates through the through hole in the center of the groove from top to bottom, and the cross rod of the handle rod is movably arranged in the groove;

the well ring is arranged into a circular ring with a circle of steps with a larger upper part and a smaller lower part, and the well cover is movably embedded on the steps of the inner wall of the well ring.