CN109025527B

CN109025527B - Well lid lock

Info

Publication number: CN109025527B
Application number: CN201811122327.0A
Authority: CN
Inventors: 宁安民
Original assignee: Shenyang Meidite Information Technology Co ltd
Current assignee: Shenyang Meidite Information Technology Co ltd
Priority date: 2018-09-26
Filing date: 2018-09-26
Publication date: 2023-06-20
Anticipated expiration: 2038-09-26
Also published as: CN109025527A

Abstract

The utility model provides a well lid lock, solves the well lid locking mode existence's the well hole is privately worn to be stolen seriously, and the locking too relies on manual operation, and well lid locking mechanism consumption is big, the problem of practicality is poor. Including tubular fixed overcoat, its characterized in that: the lower end of the fixed jacket is provided with a jacket end cover, and a lifting slide bar is arranged in a sliding manner in a guide seat arranged at the upper end of the fixed jacket; the outer side of the lower part of the guide seat is movably provided with a locking pressing sleeve, and an electromagnet is arranged below the locking pressing sleeve and at the lower part of the inner side of the fixed jacket; the upper end of the lifting slide bar above the guide seat is provided with a lock hook fixing clamp; the lower end of the latch hook clamping seat arranged at the outer side of the latch hook fixing clamp is connected with the upper part of the guide seat through the supporting sleeve. The novel pipe hole anti-theft lock is reasonable in design, compact in structure, capable of automatically falling down to lock, low in power consumption, capable of effectively preventing the pipe hole from being worn by a person in disorder and theft, high in use reliability and convenient for efficient, intelligent and scientific management on pipe hole covers, construction operators and workflows.

Description

Well lid lock

Technical Field

The invention belongs to the technical field of well lid locks, and particularly relates to a well lid lock which can automatically fall down to lock, has low power consumption, can effectively prevent the well hole from being worn by a person in disorder and theft, eliminates social safety hidden danger, has high use reliability and is convenient for efficient and intelligent management.

Background

With the rapid construction of cities, the underground engineering of municipal public infrastructure is increased, and the addition of well covers is also indispensable. At present, most cities are managed by relying on the traditional mode of manual inspection, but because of the huge quantity of the well covers and limited manual inspection efficiency, the well cover state information cannot be timely and accurately acquired, and the well cover is stolen or damaged to directly cause public property loss, irreparable personal injury and economic loss to nearby pedestrians and vehicles and social potential safety hazards exist. In addition, the existing well lid locks on the market are too dependent on manual operation, and a handle, a key or a lock body is required to be turned to lock the well lid locks; and the locking mechanism of the well lid needs larger current control, and has the advantages of large power consumption, high cost, large interference to related communication facilities and poor practicality. There is a need for improvements in the manner and apparatus of well lid locking in the prior art.

Disclosure of Invention

Aiming at the problems, the invention provides the well lid lock which can automatically fall down, has low power consumption, can effectively prevent the illegal theft of the private penetration of the pipe hole, eliminates the social potential safety hazard, has high use reliability and is convenient for efficient and intelligent management.

The technical scheme adopted by the invention is as follows: the well lid lock comprises a tubular fixed outer sleeve, and is characterized in that: the lower end of the fixed coat is provided with a coat end cover, the upper end of the fixed coat is provided with a guide seat, and the guide seat is internally provided with a lifting slide bar; the outer side of the lower part of the guide seat is movably provided with a locking pressing sleeve, and an electromagnet is arranged below the locking pressing sleeve and at the lower part of the inner side of the fixed outer sleeve; the lifting slide bar is positioned at the upper end above the guide seat, and a lock hook fixing clamp for locking the lock hook of the well lid is arranged; the outer side of the lock hook fixing clamp is provided with a lock hook clamping seat, and the lower end of the lock hook clamping seat is connected with the upper part of the guide seat through a supporting sleeve.

The locking hook clamping seat is composed of a clamping seat main body, a locking cavity is arranged in the clamping seat main body, and a locking hook groove is arranged in the locking cavity. The locking hook clamping seat is sleeved outside the locking hook fixing clamp at the upper end of the lifting slide rod through the locking cavity, so that the locking hook fixing clamp can conveniently clamp the well lid locking hook.

The lock hook fixing clamp is composed of a first lock clamp and a second lock clamp which are mutually in fork-shaped overlapped pivot joint, locking clamp openings are respectively formed in the upper ends of the first lock clamp and the second lock clamp which are arranged in a fork-shaped manner, and a pressure spring is arranged between the lower ends of the first lock clamp and the second lock clamp; and the first locking clamp and the second locking clamp are hinged with the upper end of the lifting slide rod through a hinge hole in the middle. The first lock clamp and the second lock clamp are used for clamping the well lid lock hook, and the first lock clamp and the second lock clamp of the lock hook fixing clamp are driven to be separated through the elasticity of the pressure spring in the lifting sliding rod lifting and unlocking process.

The guide seat is composed of a guide seat main body, a sliding cavity is formed in the guide seat main body, a fixed flange is arranged at the upper end of the guide seat main body, a plurality of ball accommodating holes which are arranged at equal intervals along the circumference of the cross section are formed in the side wall of the middle part of the guide seat main body, and locking balls are movably arranged in the ball accommodating holes respectively; the lower end of the lifting slide bar is arranged in the sliding cavity of the guide seat in a sliding way. The guide seat is arranged at the upper end of the fixed outer sleeve through the fixed flange, and the vertical position of the lifting slide rod is fixed by the locking balls, so that the well lid is locked.

The lifting slide bar is composed of a columnar slide bar main body, the upper end of the slide bar main body is provided with a locking clamp mounting groove, and the cylindrical surface of the lower end of the slide bar main body is provided with a ball clamping groove; and the lock hook fixing clamp is arranged in a lock clamp mounting groove at the upper end of the lifting slide rod, and the locking ball on the side wall of the guide seat is clamped with a ball clamping groove at the lower end of the lifting slide rod. The vertical position of the lifting slide bar is locked by the matching of the ball clamping groove at the lower end of the lifting slide bar and the locking ball while the locking hook fixing clamp is convenient to act.

The locking pressing sleeve arranged on the outer side of the lower part of the guide seat is composed of a pressing sleeve main body, a ball pressing cavity is formed in the pressing sleeve main body, and a jacking part is arranged at the lower end of the pressing sleeve main body; and a jacking mechanism is arranged between the jacking part at the lower end of the locking pressing sleeve and the lower end at the inner side of the fixed outer sleeve. The lifting mechanism is used for lifting the locking pressing sleeve, so that the locking pressing sleeve moves along with the lifting slide rod, and further in a locking state that the electromagnet is not electrified, the ball pressing cavity of the locking pressing sleeve continuously extrudes locking balls on the side wall of the guide seat, and the locking balls are ensured to be always clamped in the ball clamping groove at the lower end of the lifting slide rod.

The jacking mechanism comprises a plurality of groups of jacking pins of the pressing sleeve, wherein the jacking pins of the pressing sleeve are distributed at equal intervals along the circumference of the cross section, the upper ends of the jacking pins of the pressing sleeve of each group are contacted with the jacking part of the lower end of the locking pressing sleeve, and jacking springs are respectively arranged between the lower ends of the jacking pins of the pressing sleeve and the lower end face of the inner side of the fixed outer sleeve. The jacking and lifting of the locking pressing sleeve by the pressing sleeve jacking pin are realized through the elasticity of the jacking spring; and when the electromagnet is electrified to adsorb the locking pressure sleeve, the lifting spring is compressed to reset and store energy for the lifting of the locking pressure sleeve.

The lower extreme of lift slide bar is provided with the spacing post of slide bar that vertical downward arranged, and the lower extreme of the spacing post of slide bar passes the spacing post through-hole of guide holder bottom surface. The lifting slide bar is mechanically limited to lift and descend, and the slide bar limiting column is used for assisting in pressing down the locking pressing sleeve in the process of pressing down the lifting slide bar and locking the well cover lock hook.

The invention has the beneficial effects that: because the invention adopts the tubular fixed coat with the coat end cover at the lower end, the lifting slide bar is arranged in the guide seat arranged at the upper end of the fixed coat; the outer side of the lower part of the guide seat is movably provided with a locking pressing sleeve, and an electromagnet is arranged below the locking pressing sleeve and at the lower part of the inner side of the fixed outer sleeve; the upper end of the lifting slide bar above the guide seat is provided with a lock hook fixing clamp; the outer side of the lock hook fixing clamp is provided with the lock hook clamping seat, and the lower end of the lock hook clamping seat is connected with the upper part of the guide seat through the supporting sleeve, so that the lock is reasonable in design, compact in structure, capable of automatically falling down to lock, capable of controlling a large lock body by introducing smaller current to the electromagnet, low in power consumption of the locking mechanism, small in interference on related communication facilities and high in practicability; the pipe hole private penetration and theft prevention system can effectively prevent and strike the pipe hole private penetration and theft behavior, eliminates social potential safety hazards, has high use reliability, and is beneficial to realizing the efficient, intelligent and scientific management on the pipe well cover, construction operators and workflow by the technical means of intelligent management and control.

Drawings

Fig. 1 is a schematic view of a structure of the present invention.

Fig. 2 is a sectional view of the internal structure of fig. 1 (locked state).

Fig. 3 is a schematic diagram of the explosive structure of fig. 1.

Fig. 4 is a schematic structural view of the latch hook holder in fig. 3.

Fig. 5 is a cross-sectional view of the internal structure of fig. 4.

Fig. 6 is a schematic view of a structure of the lifting slide bar and the latch hook fixing clip in fig. 3.

Fig. 7 is a schematic view of a structure of the guide holder in fig. 3.

Fig. 8 is a cross-sectional view of the internal structure of fig. 7.

Fig. 9 is a schematic view of a structure of the locking jacket of fig. 3.

Fig. 10 is a sectional view of the internal structure of fig. 9.

Fig. 11 is a sectional view of an internal structure of the manhole cover lock of the present invention in an unlocked state.

The serial numbers in the figures illustrate: 1 latch hook clamping seat, 2 support, 3 guide seats, 4 fixing sleeves, 5 outer sleeve end covers, 6 latch hook fixing clamps, 7 lifting slide bars, 8 locking balls, 9 locking pressing sleeves, 10 electromagnets, 11 magnet fixing shafts, 12 jacking springs, 13 pressing sleeve jacking pins, 14 slide bar limiting columns, 15 clamping seat main bodies, 16 locking cavities, 17 latch hook grooves, 18 slide bar main bodies, 19 ball clamping grooves the device comprises a 20 ball pushing inclined plane, a 21 locking clamp mounting groove, a 22 first locking clamp, a 23 second locking clamp, a 24 locking clamp opening, a 25 arc-shaped convex block, a 26 hinge hole, a 27 pressure spring, a 28 guide seat main body, a 29 fixing flange, a 30 sliding cavity, a 31 ball accommodating hole, a 32 limit post through hole, a 33 pressing sleeve main body, a 34 end flange, a 35 ball pressing cavity and a 36 jacking part.

Detailed Description

The specific structure of the present invention will be described in detail with reference to fig. 1 to 11. The well lid lock comprises a tubular fixed outer sleeve 4, wherein an outer sleeve end cover 5 is arranged at the lower end of the fixed outer sleeve 4, and a guide seat 3 for guiding the lifting slide rod 7 to ascend and descend is arranged at the upper end of the fixed outer sleeve 4. The guide holder 3 is composed of a guide holder main body 28, a sliding cavity 30 with an upper opening is arranged in the guide holder main body 28, and a limit post through hole 32 is arranged in the middle of the lower bottom surface of the sliding cavity 30. The upper end of the guide seat main body 28 of the guide seat 3 is provided with a fixed flange 29; a plurality of ball accommodating holes 31 are arranged on the side wall of the middle part of the guide seat main body 28 at equal intervals along the circumference of the cross section of the guide seat main body 28, and locking balls 8 for fixing the position of the lifting slide rod 7 are movably arranged in each ball accommodating hole 31. The guide holder 3 is arranged at the upper end of the fixed jacket 4 by a fixed flange 29.

The sliding cavity 30 of the guide seat 3 is internally provided with a vertically arranged lifting slide bar 7, the lifting slide bar 7 is composed of a columnar slide bar main body 18, and the upper end of the slide bar main body 18 is provided with a lock clip mounting groove 21 for arranging the lock hook fixing clip 6. The cylindrical surface of the lower end of the slide rod main body 18 of the lifting slide rod 7 is provided with a concave ball clamping groove 19, and the upper side surface and the lower side surface of the ball clamping groove 19 are respectively provided with a ball pushing inclined surface 20. The lower extreme of lift slide bar 7 slides and sets up in the slip chamber 30 of guide holder 3, and the lock solid ball 8 on the guide holder 3 lateral wall and the ball block groove 19 looks joint of lift slide bar 7 lower extreme, and then through the cooperation joint of lift slide bar 7 lower extreme ball block groove 19 and lock solid ball 8, lock the vertical position of lift slide bar 7, realize the lock solid to the well lid. The lower end of the lifting slide bar 7 is provided with a slide bar limiting column 14 which is vertically downwards arranged, and the lower end of the slide bar limiting column 14 passes through a limiting column through hole 32 on the lower bottom surface of the sliding cavity 30 of the guide seat 3; and further mechanically restrict the position of the lifting slide bar 7 to be lifted and lowered.

The outside of the lower part of the guide seat body 28 of the guide seat 3 is movably sleeved with a locking pressing sleeve 9, the locking pressing sleeve 9 is composed of a pressing sleeve body 33, a ball pressing cavity 35 with an upper opening is arranged in the pressing sleeve body 33, and an end flange 34 is arranged outside the upper opening of the pressing sleeve body 33; the lower end of the press sleeve body 33 is provided with a lifting portion 36. A jacking mechanism is arranged between a jacking part 36 at the lower end of the locking pressing sleeve 9 and the lower end of the inner side of the fixed outer sleeve 4, and comprises a plurality of groups of pressing sleeve jacking pins 13 which are arranged at equal intervals along the circumference of the cross section of the fixed outer sleeve 4, and the upper ends of the pressing sleeve jacking pins 13 of each group are contacted with the jacking part 36 at the lower end of the locking pressing sleeve 9; a jacking spring 12 is respectively arranged between the lower end of the pressing sleeve jacking pin 13 and the lower end surface of the inner side of the fixed outer sleeve 4.

An electromagnet 10 is arranged under the locking sleeve 9 and at the lower part of the inner side of the fixed sleeve 4 in a lifting manner through a magnet fixing shaft 11. Therefore, the jacking and lifting of the locking pressing sleeve 9 by the pressing sleeve jacking pin 13 is realized through the elasticity of the jacking spring 12, so that the locking pressing sleeve 9 synchronously moves upwards along with the lifting of the lifting slide rod 7, and further under the locking state that the electromagnet 10 is not electrified, the ball pressing cavity 35 of the locking pressing sleeve 9 continuously extrudes the locking balls 8 on the side wall of the guide seat 3, and the locking balls 8 are ensured to be always clamped in the ball clamping grooves 19 at the lower end of the lifting slide rod 7, so that the position of the lifting slide rod 7 is locked. When the electromagnet 10 is energized to attract the locking sleeve 9 and unlock, the lifting spring 12 is compressed to store energy for lifting and resetting (for locking again) the locking sleeve 9. It can be understood that in the process of pressing down the lifting slide bar 7 and locking the well lid lock hook, the slide bar limiting column 14 at the lower end of the lifting slide bar 7 can be utilized to assist in pressing down the locking pressing sleeve 9.

The lifting slide bar 7 is positioned in a lock clip mounting groove 21 at one end above a fixed flange 29 of the guide seat 3, and is provided with a lock hook fixing clip 6 for locking a lock hook of the well lid; the outside of the lock hook fixing clamp 6 is sleeved with a lock hook clamping seat 1, the lock hook clamping seat 1 is composed of a clamping seat main body 15, a locking cavity 16 with a T-shaped longitudinal section is arranged in the clamping seat main body 15, and a lock hook groove 17 for accommodating a well cover lock hook is arranged in the locking cavity 16; meanwhile, the lower end of the latch hook clamping seat 1 is connected with the upper part of a fixing flange 29 of the guide seat 3 through a supporting sleeve 2. The latch hook fixing clamp 6 is composed of a first latch clamp 22 and a second latch clamp 23 which are mutually overlapped and pivoted in a fork shape, the upper ends of the first latch clamp 22 and the second latch clamp 23 which are arranged in a fork shape are respectively provided with a locking clamp opening 24 which is symmetrically arranged, and the outer sides of the locking clamp openings 24 which are contacted with the lower part of the T-shaped locking cavity 16 of the latch hook clamping seat 1 are respectively provided with an arc-shaped protruding block 25. The first and

second locking clips

22 and 23 are located between the lower ends of the inside of the clip installation groove 21, and a pressure spring 27 for separating the first and

second locking clips

22 and 23 is provided. And the first locking clamp 22 and the second locking clamp 23 are hinged with the side wall of the locking clamp mounting groove 21 at the upper end of the lifting slide bar 7 through a hinge hole 26 at the middle part. The first locking clamp 22 and the second locking clamp 23 which are arranged in a fork shape are used for clamping the lock hook of the well lid, and the first locking clamp 22 and the second locking clamp 23 of the lock hook fixing clamp 6 are driven to be separated by the elastic force of the pressure spring 27 in the process of lifting the lifting slide rod 7 (the electromagnet 10 is electrified to adsorb the locking pressure sleeve 9) and unlocking.

When the well lid lock is in a locking state (the electromagnet 10 is not electrified yet, as shown in fig. 2), the well lid lock hook is clamped by the lock hook fixing clamp 6 positioned at the lower part of the T-shaped locking cavity 16 of the lock hook clamping seat 1, so that the locking of the well lid is realized. When someone lifts the well lid upwards in the well lid locking state and drives the lifting slide bar 7 to move upwards, the lifting pin 13 at the lower end of the lifting part 36 of the locking pressing sleeve 9 lifts the locking pressing sleeve 9 by lifting due to the elastic force of the lifting spring 12, so that the locking pressing sleeve 9 moves upwards synchronously along with the lifting of the lifting slide bar 7, and the ball pressing cavity 35 of the locking pressing sleeve 9 continuously extrudes the locking balls 8 on the side wall of the guide seat 3 in the non-electrified locking state of the electromagnet 10, so that the locking balls 8 are ensured to be always clamped in the ball clamping grooves 19 at the lower end of the lifting slide bar 7, the positions of the lifting slide bar 7 and the locking hook fixing clamp 6 are locked, and malicious opening of the well lid is prevented.

When the well lid needs to be normally opened, the electromagnet 10 is electrified (for example, 3V,200mA of smaller current is needed); subsequently, the locking pressing sleeve 9 is attracted downwards by the magnetic force of the electromagnet 10, so that the compression of the locking balls 8 on the side wall of the guide seat 3 by the ball pressing cavity 35 of the locking pressing sleeve 9 is released. When the construction worker continuously lifts the well cover, along with the process that the well cover lock hook drives the lock hook fixing clamp 6 and the lifting slide rod 7 to move upwards together, the balls at the lower end of the lifting slide rod 7 are pushed to the inclined plane 20 by the balls at the lower side of the ball clamping groove 19, and the locking balls 8 are temporarily pushed into the space between the outer wall of the guide seat 3 and the inner wall of the fixed sleeve 4 (the locking of the vertical position of the lifting slide rod 7 is released). When the locking clamp opening 24 of the locking hook fixing clamp 6 at the upper end of the lifting slide rod 7 moves out of the lower part of the T-shaped locking cavity 16 of the locking hook clamping seat 1, the first locking clamp 22 and the second locking clamp 23 of the locking hook fixing clamp 6 are driven to be separated by the elastic force of the pressure spring 27 (as shown in fig. 11), so that the well cover is opened.

When the operator overhauls and closes the well cover, the well cover lock hook presses down the lock hook fixing clamp 6 and the lifting slide rod 7, so that the first lock clamp 22 and the second lock clamp 23 of the lock hook fixing clamp 6 are retracted to the lower part of the T-shaped locking cavity 16 of the lock hook clamping seat 1; the locking sleeve 9 is jacked by means of the reset elastic force of the jacking spring 12 (at the moment, the electromagnet 10 is powered off), and the locking balls 8 on the side wall of the guide seat 3 are pressed into the ball clamping grooves 19 at the lower end of the lifting slide rod 7 again by utilizing the ball pressing cavity 35 of the locking sleeve 9, so that the positions of the lifting slide rod 7 and the locking hook fixing clamp 6 are locked.

Claims

1. The utility model provides a well lid lock, includes tubular fixed overcoat (4), its characterized in that: the lower end of the fixed coat (4) is provided with a coat end cover (5), the upper end of the fixed coat (4) is provided with a guide seat (3), and a lifting slide bar (7) is arranged in the guide seat (3) in a sliding way; the outer side of the lower part of the guide seat (3) is movably provided with a locking pressing sleeve (9), and an electromagnet (10) is arranged below the locking pressing sleeve (9) and at the lower part of the inner side of the fixed outer sleeve (4); the upper end of the lifting slide bar (7) is provided with a lock hook fixing clamp (6) for locking the lock hook of the well lid; the outer side of the lock hook fixing clamp (6) is provided with a lock hook clamping seat (1), and the lower end of the lock hook clamping seat (1) is connected with the upper part of the guide seat (3) through a support sleeve (2); the guide seat (3) is composed of a guide seat main body (28), a sliding cavity (30) is formed in the guide seat main body (28), a fixed flange (29) is arranged at the upper end of the guide seat main body (28), a plurality of ball accommodating holes (31) which are arranged at equal intervals along the circumference of the cross section are formed in the side wall of the middle part of the guide seat main body (28), and locking balls (8) are movably arranged in the ball accommodating holes (31) respectively; the lower end of the lifting slide rod (7) is arranged in a sliding cavity (30) of the guide seat (3) in a sliding way; the locking pressing sleeve (9) arranged on the outer side of the lower portion of the guide seat (3) is composed of a pressing sleeve main body (33), a ball pressing cavity (35) is formed in the pressing sleeve main body (33), and a jacking portion (36) is arranged at the lower end of the pressing sleeve main body (33); a jacking mechanism is arranged between a jacking part (36) at the lower end of the locking pressing sleeve (9) and the lower end of the inner side of the fixed outer sleeve (4).

2. The manhole cover lock of claim 1, wherein: the locking hook clamping seat (1) is composed of a clamping seat main body (15), a locking cavity (16) is formed in the clamping seat main body (15), and a locking hook groove (17) is formed in the locking cavity (16).

3. The manhole cover lock of claim 1, wherein: the lock hook fixing clamp (6) is composed of a first lock clamp (22) and a second lock clamp (23) which are mutually overlapped and pivoted in a fork shape, locking clamp openings (24) are respectively formed at the upper ends of the first lock clamp (22) and the second lock clamp (23) which are arranged in a fork shape, and a pressure spring (27) is arranged between the lower ends of the first lock clamp (22) and the second lock clamp (23); and the first locking clamp (22) and the second locking clamp (23) are hinged with the upper end of the lifting slide bar (7) through a hinge hole (26) in the middle.

4. The manhole cover lock of claim 1, wherein: the lifting slide bar (7) is composed of a columnar slide bar main body (18), a locking clamp mounting groove (21) is formed in the upper end of the slide bar main body (18), and a ball clamping groove (19) is formed in the cylindrical surface of the lower end of the slide bar main body (18); and the lock hook fixing clamp (6) is arranged in a lock clamp mounting groove (21) at the upper end of the lifting slide rod (7), and a locking ball (8) on the side wall of the guide seat (3) is clamped with a ball clamping groove (19) at the lower end of the lifting slide rod (7).

5. The manhole cover lock of claim 1, wherein: the jacking mechanism comprises a plurality of groups of jacking pins (13) of the pressing sleeve, wherein the jacking pins (13) of the pressing sleeve are arranged at equal intervals along the circumference of the cross section, the upper ends of the jacking pins (13) of the pressing sleeve are in contact with jacking parts (36) at the lower ends of the locking pressing sleeve (9), and jacking springs (12) are respectively arranged between the lower ends of the jacking pins (13) of the pressing sleeve and the lower end face of the inner side of the fixed outer sleeve (4).

6. The manhole cover lock of claim 1, wherein: the lower extreme of lift slide bar (7) is provided with slide bar spacing post (14) of vertical decurrent arrangement, and the lower extreme of slide bar spacing post (14) passes spacing post through-hole (32) of guide holder (3) bottom surface down.