CN212389165U - Well lid lock assembly, well lid lock and well lid - Google Patents

Abstract

The utility model is suitable for a tool to lock field discloses a well lid lock subassembly, well lid lock and well lid, and above-mentioned well lid lock subassembly includes to rotate with the drive by the handle the drive assembly of shutting subassembly and with the lock core subassembly of the adjacent setting of drive assembly, lock core subassembly be provided with by lock core subassembly drive is with the restriction drive assembly pivoted lock piece. The well lid lock comprises a well lid lock component and a locking component, wherein the locking component is connected to the driving component and driven by the driving component. The well lid comprises a well lid body and the well lid lock. The utility model provides a pair of well lid lock subassembly, well lid lock and well lid, its cooperation through lock core subassembly, drive assembly and shutting subassembly realizes unblocking of well lid lock and well lid, can improve the theftproof performance of well lid.

Description

Well lid lock assembly, well lid lock and well lid

Technical Field

The utility model belongs to the tool to lock field especially relates to a well lid lock subassembly, well lid lock and well lid.

Background

Along with the development of economy, the construction of cities is improved day by day, and various cables used for power transmission, communication and the like in the cities are not erected on the ground any more and enter the ground to be paved in an underground pipeline mode. The junction or important node department at these underground conduit can set up the shaft to the maintenance of the laying of all kinds of cables in the pipeline, in order to protect cable and various equipment in the pipeline, often can set up the well lid in the shaft, and can set up the well lid lock on the well lid, prevent that cable and equipment are stolen or destroyed.

The prior application number is 2013103382342, the publication date is 2013, 11 and 20, and the patent name is 'an anti-theft alarm manhole and an anti-theft and alarm method', and discloses a manhole cover capable of achieving locking and alarm functions. This application passes through well lid and outer steel ring screw-thread fit, when opening, needs insert the hexagonal instrument and rotate, and the bolt on the well lid can break away from the bolt breach of outer steel ring, and the rotation of well lid does not receive spacingly, as long as insert the work piece just can artifical rotatory well lid, and the theftproof performance is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving one of above-mentioned technical problem at least, provide a well lid lock subassembly, well lid lock and well lid, its cooperation through lock core subassembly, drive assembly and shutting subassembly realizes the unblock of well lid lock and well lid, can improve the theftproof performance of well lid.

The technical scheme of the utility model is that: the utility model provides a well lid lock subassembly, include by handle pivoted drive assembly and with the adjacent lock core subassembly that sets up of drive assembly, lock core subassembly be provided with by lock core subassembly drive is in order to restrict drive assembly pivoted locking piece.

Optionally, the locking piece is adjacently provided with a lock cylinder position and a driving position, the driving position is provided with a limiting block, and the lock cylinder assembly comprises a lock cylinder matched with a key and a poking piece which extends into the lock cylinder position and rotates with the lock cylinder to poke the locking piece; the driving assembly comprises a driving piece, and the driving piece is provided with a limiting groove for the limiting block to be inserted into to limit the driving piece to rotate.

Optionally, the lock cylinder position and the driving position are through holes, and the lock cylinder and the driving piece respectively penetrate through the lock cylinder position and the driving position; the poking piece is sleeved on the outer peripheral side of the lock cylinder and provided with a poking block used for abutting against the side wall of the lock cylinder position; the limiting block is arranged on the side wall of the driving position.

Optionally, an elastic reset piece for resetting the driving piece is connected to the driving piece.

Optionally, the manhole cover lock further comprises a lock seat for accommodating the driving assembly and the lock cylinder assembly, and one end of the driving assembly is provided with a slot for matching with a handle; the lock core assembly is provided with a lock hole matched with a key, the lock hole and the inserting groove are located on the front face of the lock seat, and the other end of the driving assembly extends out of the back face of the lock seat.

Optionally, the lock base is provided with a ball plunger, the locking piece is provided with a positioning hole for the end of the ball plunger to extend into, and two positioning holes are adjacently arranged.

Optionally, the locking piece can move between a locking position and an unlocking position under the action of the locking core assembly, the well lid lock assembly comprises a first detection component for detecting the position state of the locking piece, and the first detection component comprises a first detection switch; the first detection switch is arranged in association with the lock member so that the first detection switch is triggered when the lock member is located at the lock position or the unlock position.

The utility model also provides a well lid lock, well lid lock include foretell well lid lock subassembly and by the locking subassembly of drive assembly driven.

Optionally, the locking assembly comprises a link part connected to the driving assembly and a latch part connected to the link part and linked with the link part; the connecting rod part comprises a connecting rod fitting piece rotating along with the driving assembly and a connecting rod connected with the connecting rod fitting piece; the spring bolt part is including being used for connecting the spring bolt installed part at the well lid body back, running through the spring bolt installed part just by the spring bolt of connecting rod pulling with set up in the spring bolt installed part and be used for the elasticity that the spring bolt resets, the one end of spring bolt connect in the connecting rod, the other end of spring bolt stretches out the periphery of well lid body is followed.

Optionally, at least two groups of connecting rods and the bolt part are symmetrically arranged, the connecting rod fitting piece is provided with arc-shaped sliding grooves corresponding to the number of the connecting rods, and each connecting rod is connected to each arc-shaped sliding groove and can slide in the arc-shaped sliding groove; the center of the arc-shaped sliding groove coincides with the central axis of the connecting rod fitting piece.

Optionally, the well lid lock still includes and is used for detecting whether the second detection element that the well lid body was opened, the second detection element is including being used for connecting the positive detection shell of well lid body, set up in second detection switch in the detection shell, be used for triggering the detection lever of second detection switch and be used for the elasticity that the detection lever resets, elasticity reset connect in the detection lever, the one end orientation of detection lever in second detection switch, the other end of detection lever stretch out the detection shell and be used for with flange butt in the shaft.

Optionally, the well lid lock comprises a controller, the controller further comprising at least one of a master control circuit, a power module, and a communication module; the controller is used for being connected with each electrical component in the well cover lock so as to acquire corresponding electrical signals.

The utility model also provides a well lid, including well lid body and foretell well lid lock.

The utility model provides a well lid lock subassembly, well lid lock and well lid, under the shutting state, the locking piece locks the drive assembly to restrict the rotation of drive assembly, make the drive assembly unable to rotate; when the lock is unlocked, the key is used for rotating the lock core assembly, the lock core assembly drives the locking piece to remove the limitation on the driving assembly, and then the driving assembly can be rotated by using the handle. The utility model provides a well lid lock subassembly can be through the linkage cooperation between lock core subassembly, locking piece and the drive assembly, can improve the theftproof performance of well lid effectively.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a manhole cover lock according to an embodiment of the present invention;

fig. 2 is a front view of a manhole cover lock according to an embodiment of the present invention;

fig. 3 is an exploded view of the drive assembly and plug assembly of a manhole lock according to an embodiment of the present invention;

fig. 4 is a schematic diagram illustrating a positional relationship between a locking member of a manhole lock and a driving assembly and a lock cylinder assembly in a locked state according to an embodiment of the present invention;

fig. 5 is a schematic view of the position relationship between the locking member of the manhole lock and the driving assembly and the lock cylinder assembly in the unlocked state according to the embodiment of the present invention;

fig. 6 is an exploded view of a lock base of a manhole cover lock according to an embodiment of the present invention;

fig. 7 is an exploded view of a lock base of a manhole cover lock according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of the manhole cover installed in the shaft according to the embodiment of the present invention;

fig. 9 is a bottom view of a manhole cover lock according to an embodiment of the present invention;

fig. 10 is a diagram of a position relationship between a second detecting component and a latch bolt assembly of a manhole cover lock according to an embodiment of the present invention;

fig. 11 is a bottom view of a manhole cover according to an embodiment of the present invention;

fig. 12 is a schematic perspective view of a manhole cover according to an embodiment of the present invention;

fig. 13 is an exploded view of a manhole cover according to an embodiment of the present invention;

fig. 14 is a schematic view of the well lid installed in the shaft provided by the embodiment of the present invention.

In the figure:

10. a lock seat; 11. a lock base top cover; 111. a lock seat flange; 112. a lock cylinder mounting hole; 113. a handle jack; 12. a lock base bottom cover; 121. a well lid connecting part; 122. a lock cylinder through hole; 123. a drive through hole; 13. a protective cover; 131. a movable opening; 14. installing a fastener;

2. a plug assembly; 20. a lock cylinder; 201. a fixed part; 202. a rotating part; 203. a lock hole; 204. code slice; 205. a lockhole cover; 21. a toggle piece; 211. a shifting block; 22. a locking member; 221. a lock cylinder position; 222. A drive bit; 223. a limiting block; 224. positioning holes; 2241. locking the positioning hole; 2242. unlocking the positioning hole; 225. a detection tank; 23. a first detection switch; 24. a positioning member;

3. a drive assembly; 30. a drive member; 301. a jack; 302. fixing grooves; 303. connecting grooves; 304. a limiting groove; 31. a torsion spring; 32. a torsion spring fixing member; 321. a torsion spring connecting part; 322. fixing the bump;

4. a locking assembly; 40. a link member; 401. a connecting rod fitting; 4011. a connection bump; 4012. an arc-shaped chute; 402. a connecting rod; 403. a lock washer; 41. a bolt part; 411. a latch bolt; 412. a deadbolt mount; 413. a bolt reset piece;

50. detecting the shell; 51. a second detection switch; 52. a detection lever; 521. a trigger end; 522. a pressing end; 53. an elastic reset member;

60. a controller;

70. a well lid body; 701. a drain hole; 702. a handle; 703. mounting holes; 704. a detection hole;

80. a shaft; 81. a shaft flange; 82. and (4) an upper layer well cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through intervening elements or intervening structures.

In addition, in the embodiments of the present invention, if there are terms of orientation or positional relationship indicated by "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., it is based on the orientation or positional relationship shown in the drawings or the conventional placement state or use state, and it is only for convenience of description and simplification of the description, but does not indicate or imply that the structures, features, devices or elements referred to must have a specific orientation or positional relationship, nor must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by combining different features/embodiments, and various combinations of features/embodiments are not separately described in order to avoid unnecessary repetition in the present disclosure.

The embodiment of the present invention provides a manhole cover lock assembly, please refer to fig. 1 and fig. 2, fig. 1 and fig. 2 respectively show a schematic perspective view and a front view of a manhole cover lock, the manhole cover lock assembly includes a driving assembly 3, a lock cylinder assembly 2 and a lock assembly 22 (refer to fig. 3), wherein the driving assembly 3 can be rotated by a handle; referring to fig. 3 together, fig. 3 shows an exploded view of the plug assembly 2 and the driving assembly 3, the plug assembly 2 is disposed adjacent to the driving assembly 3, and can be unlocked by a key and rotate the plug assembly 2, while rotating the plug assembly 2, the plug assembly 2 can also drive the locking member 22 to move between the locking position and the unlocking position, and when the plug assembly 2 drives the locking member 22 to move to the locking position, the locking member 22 can lock the driving assembly 3 to limit the rotation of the driving assembly 3; when the lock core assembly 2 drives the locking member 22 to move to the unlocking position, the locking member 22 releases the restriction of the driving assembly 3. In the locked state, the lock member 22 is in a state of locking the driving unit 3; during the unblock, use key unblock lock core subassembly 2 and rotate lock core subassembly 2 earlier, lock core subassembly 2 drive locking piece 22 makes it remove the restriction to drive assembly 3, then uses the handle to rotate drive assembly 3 again, so realizes the linkage cooperation of well lid lock subassembly through the linkage cooperation between lock core subassembly 2, drive assembly 3 and the lock core subassembly 22, can improve the theftproof performance of well lid lock.

Referring to fig. 3, as an alternative embodiment of the present embodiment, the locking member 22 is provided with a key cylinder position 221 and a driving position 222, the key cylinder position 221 and the driving position 222 can be adjacently disposed, the key cylinder assembly 2 is located at the key cylinder position 221, the driving assembly 3 is located at the driving position 222, and the driving position 222 is provided with a limiting block 223 moving with the locking member 22.

The driving assembly 3 includes a rotatable driving member 30 (in this embodiment, the driving member 30 is a straight rod), the driving member 30 is provided with a limiting groove 304 at a position corresponding to the limiting block 223, when the locking member 22 moves, the limiting block 223 can be inserted into or withdrawn from the limiting groove 304, so as to lock and unlock the driving member 30. Specifically, the driving member 30 may have a stepped cylindrical shape, and the limiting groove 304 may be disposed on an outer sidewall of the driving member 30.

The lock core assembly 2 comprises a lock core 20 and a toggle member 21, the toggle member 21 is connected to the lock core 20 and can rotate with the lock core 20, and the toggle member 21 can toggle the locking member 22 while rotating, so that the locking member 22 is displaced and the limit block 223 of the driving position 222 is inserted into or withdrawn from the limit groove 304. Therefore, the lock core 20 can lock and unlock the driving piece 30 through the locking piece 22, and the anti-theft performance of the well lid lock assembly and the well lid is improved.

Further, please refer to fig. 8 together, fig. 8 shows a cross-sectional view of the manhole cover lock installed on the manhole cover body 70, the lock cylinder 20 includes a fixed portion 201, a rotating portion 202 and a pin tumbler structure (not shown in the figure), one end of the rotating portion 202 extends into the fixed portion 201 and is rotatably connected to the fixed portion 201, the toggle member 21 is connected to the other end of the rotating portion 202, the fixed portion 201 and the rotating portion 202 are provided with a lock hole 203 which is communicated, and the lock hole 203 penetrates through the lock cylinder 20, so that liquid and sundries entering the lock hole 203 can be smoothly discharged, and the practicability of the lock cylinder 20 is improved.

The pin tumbler structure is arranged between the fixed part 201 and the rotating part 202, the pin tumbler structure can lock the rotating part 202 on the fixed part 201, when the key is inserted into the lock hole 203 during unlocking, the key can be matched with the pin tumbler structure to unlock the rotating part 202, at the moment, when the key is rotated, the rotating part 202 can rotate along with the key, and the poking piece 21 connected to the rotating part 202 can rotate along with the rotating part 202 and poke the locking piece 22.

Specifically, the fixing portion 201 and the rotating portion 202 may be both cylindrical structures, the diameter of the rotating portion 202 may be smaller than that of the fixing portion 201, and both may be disposed coaxially.

Further, as one optional implementation manner of this embodiment, a code sheet 204 may be disposed at the upper end of the lock hole 203, the code sheet 204 may be an electronic code sheet, and a key may read the encoded information of the code sheet 204 to confirm the identity information of the manhole cover.

Further, as an alternative embodiment of this embodiment, a lock hole cover 205 may be disposed above the code sheet 204, so as to prevent rain water or sundries from falling into the lock hole 203. Further, the lock hole cover 205 is rotatably connected to the lock cylinder 20, and the lock hole cover 205 is rotated to another position before the key is inserted into the lock hole 203.

Referring to fig. 4 and 5 together, fig. 4 and 5 show the position relationship between the locking member 22 and the driving member 30 and the key cylinder 20 in the locked state (fig. 4) and the unlocked state (fig. 5), respectively, as an alternative embodiment of the present embodiment, the key cylinder position 221 and the driving position 222 may be through holes, the rotating portion 202 of the key cylinder 20 passes through the key cylinder position 221, the toggle member 21 may be at the same horizontal position as the locking member 22, the toggle member 211 is disposed on the outer peripheral side of the toggle member 21, and the toggle member 211 may abut against the side wall of the key cylinder position 221 when the toggle member 21 rotates; similarly, the driving member 30 passes through the driving portion 222, the limiting block 223 is disposed on a side wall of the driving portion 222, the limiting groove 304 and the locking member 22 can be in the same horizontal position, and the limiting groove 304 faces the limiting block 223, so that the limiting block 223 can be inserted into the limiting groove 304. It should be understood that the size of the driving position 222 is larger than the driving member 30 for moving the locking member 22, but the specific shape of the driving position 222 is not required to be the same as the driving member 30, and accordingly, the size of the key cylinder position 221 is larger than the maximum size of the dial 21, and of course, the specific shape of the key cylinder position 221 is not required to be the same as the rotating portion 202 of the key cylinder 20.

Preferably, the driving position 222 in this embodiment may be a circular through hole, and the diameter of the circular through hole is larger than the diameter of the portion of the driving member 30 extending into the driving position 222; the cylinder portion 221 may be a round rectangular or circular through hole, and the diameter of the through hole is larger than the diameter of the toggle member 21 (the maximum diameter of the toggle member 21, i.e., including the toggle block 211). In a specific application, the driving portion 222 and the key cylinder portion 221 may have other shapes.

Further, as an alternative embodiment of the present embodiment, taking the position relationship shown in fig. 4 as an example, the limiting block 223 may be located at the left side of the driving bit 222, the limiting groove 304 faces the limiting block 223, in the locked state, the limiting block 223 is located in the limiting groove 304, the left side of the driving bit 222 is close to the driving element 30, and the right side of the driving bit 222 is relatively far away from the driving element 30; the dial block 211 is located toward the upper side of the key cylinder position 221, the left side of the key cylinder position 221 is close to the turning portion 202 of the key cylinder 20, and the right side of the key cylinder position 221 is relatively far away from the key cylinder 20. When unlocking, referring to fig. 5, the rotating portion 202 rotates counterclockwise, the toggle member 21 and the toggle block 211 rotate along with the rotating portion, so that the toggle block 211 abuts against the sidewall of the lock cylinder position 221 and pushes the locking member 22 to the left, the left side of the driving position 222 is far away from the driving member 30, the right side of the driving position 222 is close to the driving member 30, and the limit block 223 located at the driving position 222 is withdrawn from the limit slot 304, thereby unlocking the driving member 30 and enabling the driving member 30 to rotate freely.

In a specific application, the stop block 223 may be located at the right side of the driving position 222, and accordingly, the right side of the lock cylinder 221 is close to the rotating portion 202 in the locked state, and the rotating portion 202 rotates clockwise in the unlocked state.

Specifically, referring to fig. 3 again, as an optional implementation manner of the present embodiment, the toggle member 21 may be annular, the toggle member 21 may be sleeved on an outer peripheral side of the rotating portion 202, and after the toggle member 21 is sleeved on the outer peripheral side of the rotating portion 202, annular limiting members (not shown in the drawings) may be disposed in front of and behind the toggle member 21 to limit movement of the toggle member 21, so as to prevent the toggle member 21 from falling off from the rotating portion 202. Of course, in a specific application, the toggle member 21 may be integrally connected to the rotating portion 202.

Referring to fig. 6 and 6, an exploded view of a lock base 10 is shown, as an alternative embodiment of the present embodiment, the manhole lock assembly further includes a lock base 10, the lock base 10 is used for accommodating the driving assembly 3 and the lock cylinder assembly 2, and corresponding driving assembly mounting locations and lock cylinder assembly mounting locations are arranged in the lock base 10, so that the lock base 10 can improve the integrity of the manhole lock assembly.

Referring to fig. 8, the lock seat 10 has a front surface and a back surface, when the lock seat 10 is connected to the manhole cover body 70, the lock seat 10 penetrates through the manhole cover body 70, the front surface of the lock seat 10 is located on the front surface of the manhole cover body 70, and the back surface of the lock seat 10 is located on the back surface of the manhole cover. One end of the driving member 30 is provided with an insertion hole 301 for being matched with a handle, the lock hole 203 and the insertion hole 301 are located on the front surface of the lock base 10, the front surface of the lock base 10 is provided with a lock cylinder mounting hole 112 for the fixing portion 201 of the lock cylinder 20 to penetrate through and a handle insertion hole 113 corresponding to the insertion hole 301, and the other end of the driving member 30 can extend out of the back surface of the lock base 10 and be connected with the locking assembly 4.

Specifically, as an optional implementation manner of this embodiment, the lock seat 10 includes a lock seat top cover 11 and a lock seat bottom cover 12, the lock seat top cover 11 and the lock seat bottom cover 12 can be connected by a fastener, the lock seat top cover 11 is provided with a lock seat flange 111, please refer to fig. 8, when the lock seat 10 is connected with the manhole cover body 70, the lock seat flange 111 will abut against the front surface of the manhole cover body 70, so as to facilitate the installation and fixation of the lock seat 10.

The well lid connecting part 121 is arranged on the outer peripheral side of the lock base bottom cover 12, and the lock base bottom cover 12 can penetrate through the well lid connecting part 121 to be connected to the back of the well lid body 70 by using a fastener to further fix the lock base 10; the lock base bottom cover 12 is provided with a driving through hole 123 for the driving member 30 to extend out and a key cylinder through hole 122 for the key cylinder 20 to extend out, the driving member 30 can pass through the driving through hole 123, the key cylinder 20 can be connected to the key cylinder through hole 122, and the lock hole 203 can be communicated with the key cylinder through hole 122 so as to facilitate the discharge of liquid and sundries in the lock hole 203.

Further, referring to fig. 7, fig. 7 shows an exploded view of the lock base, and a mounting structure for placing the locking member 22 is disposed in the lock base 10, and the locking member 22 can slide under the support of the mounting structure.

Specifically, as an alternative to the mounting structure in the present embodiment, the mounting structure may be a mounting fastener 14 connected to the lock base top cover 11, and the mounting fastener 14 may limit the axial sliding of the lock member 22 along the driving member 30 or the lock cylinder 20, so as to ensure the reliability of the lock member.

Alternatively, as another alternative of the mounting structure in the embodiment, the mounting structure may be a mounting flange (not shown in the figure) disposed on the inner wall of the lock base 10, the locking member 22 may be placed on the mounting flange, and the locking member 22 may be moved by the toggle member 21 and move on the mounting flange.

Referring to fig. 3 again, as an alternative embodiment of the present embodiment, an elastic restoring member for restoring the driving member 30 is connected to the driving member 30. After the stop block 223 exits the stop groove 304, the driving member 30 can rotate in the unlocking direction, but when the driving member 30 is unlocked by rotation, the driving member 30 needs to rotate against the resistance of the elastic restoring member, and after the external force to the driving member 30 is removed, the elastic restoring member rotates the driving member 30 in the locking direction, so that the stop groove 304 of the driving member 30 faces the stop block 223 again. So, after rotating driving piece 30 and accomplishing the unblock to well lid body 70, driving piece 30 can automatic re-setting to operating personnel's shutting operation.

Specifically, the elastic reset element includes a torsion spring 31 and a torsion spring fixing element 32, the torsion spring fixing element 32 can be in an annular structure, the driving element 30 can be sleeved with the torsion spring 31 and the torsion spring fixing element 32, one end of the torsion spring 31 is connected to the torsion spring fixing element 32, and the other end of the torsion spring 31 can be connected to the lock seat 10.

Further, a torsion spring connecting portion 321 is disposed on an outer peripheral side of the torsion spring fixing member 32, the torsion spring connecting portion 321 is provided with a through hole, one end of the torsion spring 31 can pass through the through hole and bend to one side, so that the end of the torsion spring 31 is connected to the torsion spring connecting portion 321, and the other end of the torsion spring 31 can be connected to the lock base 10. The inner side of the torsion spring fixing member 32 is provided with a fixing protrusion 322, the driving member 30 is provided with a fixing groove 302 for inserting the fixing protrusion 322, and the torsion spring fixing member 32 is coupled to the driving member 30 by the cooperation of the fixing protrusion 322 and the fixing groove 302. Thus, when the driving member 30 rotates in the unlocking direction, the torsion spring fixing member 32 will twist the torsion spring 31 connected thereto, so that the torsion spring 31 is in a power storage state, and when the external force is removed, the torsion spring 31 will drive the torsion spring fixing member 32 and the driving member 30 to return to the original position.

Referring to fig. 3, as an alternative embodiment of the present embodiment, the lock base 10 (not shown in the drawings) is provided with a positioning member 24, the locking member 22 is provided with a positioning hole 224 for the end of the positioning member 24 to extend into, when the locking member 22 moves to the locking or/and unlocking position, the end of the positioning member 24 can extend into the positioning hole 224, which prevents the locking member 22 from moving after moving to some extent, and improves the reliability of the locking member 22.

Preferably, two positioning holes 224 are disposed adjacent to each other, and the two positioning holes 224 are a locking positioning hole 2241 and an unlocking positioning hole 2242, which correspond to the locking position and the unlocking position of the locking member 22. Referring to fig. 4, when the locking member 22 is in the locking state (i.e. the locking member 22 is in the locking position), the end of the positioning member 24 extends into the locking positioning hole 2241; referring to fig. 5, when the locking member 22 moves to the unlocking position, the end of the positioning member 24 extends into the unlocking positioning hole 2242, so that the reliability of the locking member 22 can be further improved.

Alternatively, the positioning member 24 may be a ball plunger, but other positioning members may be used in practical applications.

Referring to fig. 4, as an alternative embodiment of the present embodiment, the manhole cover lock assembly further includes a first detecting component for detecting a state of the locking member 22 (i.e. a position of the locking member 22), where the first detecting component includes a first detecting switch 23, and the first detecting switch 23 is disposed in association with the locking member 22 so as to trigger the first detecting switch 23 when the locking member 22 is located at the locking position or the unlocking position. In the present embodiment, the first detecting switch 23 and the locking member 22 are associated with each other, that is, the locking member 22 is provided with a detecting groove 225, the first detecting switch 23 is disposed on a moving path of the detecting groove 225, and when the locking member 22 moves, the detecting groove 225 moves along with the detecting groove and triggers the first detecting switch 23. Optionally, the first detection switch 23 may be a travel switch or a micro switch, or in a specific application, an optoelectronic switch or another detection switch may also be selected. In specific application, the structure of the first detection switch 23 and the lock member 22 can be other structures, and the present invention is not limited herein, for example, a convex toggle member is disposed on the lock member 22 to toggle the first detection switch 23 when moving.

The embodiment of the utility model provides a well lid lock is still provided, including shutting subassembly 4 and foretell well lid lock subassembly, shutting subassembly 4 is connected in drive assembly 3, and behind drive assembly 3's restriction was relieved to lock core subassembly 2, drive assembly 3 drive shutting subassembly 4 makes it relieve the locking to well lid body 70, alright this moment with manually open well lid body 70, get into inside the shaft, lay or maintain relevant facility. So, through the linkage cooperation between lock core subassembly 2, drive assembly 3, shutting subassembly 4 and the locking piece 22, when locking well lid body 70 in the shaft, improved the theftproof performance of well lid effectively.

Referring to fig. 8 and 9 together, fig. 9 shows a schematic diagram of a locking component, and as an alternative embodiment of the present embodiment, the locking assembly 4 includes a link component 40 and a latch component 41, wherein one end of the link component 40 is connected to the driving member 30, the other end of the link component 40 is connected to the latch component 41, and the latch component 41 can be linked with the link component 40. When the driving member 30 rotates, the driving member 30 pulls the latch member 41 through the link member 40, so that the latch member 41 releases the locking of the manhole cover body 70.

Further, as an alternative embodiment of the present embodiment, the link component 40 includes a connecting rod fitting 401 and a connecting rod 402, the connecting rod fitting 401 (in the present embodiment, the connecting rod fitting 401 is in a ring shape with two oppositely disposed connecting ends) is connected to the driving element 30 and can rotate with the driving element 30, one end of the connecting rod 402 is connected to a non-axial position of the connecting rod fitting 401 (i.e., connected to the two oppositely disposed connecting ends), and the other end of the connecting rod 402 is connected to the latch component 41, when the connecting rod fitting 401 rotates with the driving element 30, the connecting rod fitting 401 can pull the connecting rod 402, so that the connecting rod 402 pulls the latch component 41.

Specifically, the connecting rod fitting part 401 may be in a ring structure, and the inside of the connecting rod fitting part 401 is symmetrically provided with two connecting protrusions 4011, the position where the driving part 30 connects the connecting rod fitting part 401 is provided with a connecting groove 303 engaged with the connecting protrusion 4011, and the connecting rod fitting part 401 is connected to the driving part 30 through the cooperation of the connecting protrusion 4011 and the connecting groove 303.

Further, in order to improve the reliability of the connection between the connecting rod fitting 401 and the driver 30, a lock washer 403 (also referred to as a circlip) may be provided at an end position of the driver 30 close to the connecting rod fitting 401 (i.e., below the connecting rod fitting 401) to prevent the connecting rod fitting 401 from being released.

Referring to fig. 8, the latch bolt part 41 includes a latch bolt mounting part 412, a latch bolt 411 and a latch bolt resetting part 413, the latch bolt mounting part 412 is used for connecting the back of the well lid body 70, the latch bolt resetting part 413 is disposed in the latch bolt mounting part 412 and connected to the latch bolt 411, the latch bolt 411 can penetrate through the latch bolt mounting part 412, the rear end of the latch bolt 411 is connected to the connecting rod 402 through a fastener, and the front end of the latch bolt 411 can extend out of the outer peripheral edge of the well lid body 70. In a locked state, the front end of the latch 411 extends out of the outer periphery of the well lid body 70, and the upper side of the front end of the latch 411 abuts against the shaft flange 81, so that the well lid body 70 is prevented from being opened; during the unblock, driving piece 30 rotates and drives connecting rod fitting piece 401 and rotates, makes connecting rod 402 pulling spring bolt 411, and spring bolt 411 receives the pulling force just can compress the spring bolt piece 413 that resets, makes in spring bolt 411's the front end withdrawal spring bolt installed part 412, and the upside of so spring bolt 411 front end just no longer supports in shaft flange 81, and well lid body 70 alright open this moment.

Further, as one optional implementation manner of this embodiment, an inclined surface or a curved surface is disposed on the lower side of the front end of the locking tongue 411. After well lid body 70 is opened, spring bolt 411 can stretch out forward under the effect of spring bolt piece 413 that resets, make the front end of spring bolt 411 stretch out in the periphery edge of well lid body 70, then when shutting well lid body 70, the downside of spring bolt 411 front end can support in shaft flange 81, because the existence of inclined plane or curved surface this moment, spring bolt 411 just can move towards the direction of withdrawal spring bolt installed part 412, and drive connecting rod 402 motion, make connecting rod fitting piece 401, driving piece 30 and torsional spring 31 rotate, get back to the below of shaft flange 81 once more until spring bolt 411, spring bolt 411 just can follow spring bolt installed part 412 and stretch out, thereby locking well lid body 70.

Preferably, the connecting rod 402 and the bolt part 41 are symmetrically provided with two groups, so that when the well lid lock is unlocked and locked, the stress of each part is more balanced, and the reliability of the well lid lock is improved. Of course, the connecting rod 402 and the latch bolt part 41 may be provided in one or more sets for specific applications.

Referring to fig. 9, as an alternative embodiment of the present embodiment, the connecting rod fitting 401 is provided with arc-shaped sliding slots 4012 corresponding to the number of the connecting rods 402, one end of each connecting rod 402 is connected to the arc-shaped sliding slot 4012, and the end of each connecting rod 402 can slide in the arc-shaped sliding slot 4012.

Specifically, the arc chute 4012 has an unlocking end and a locking end, in a locking state, the connecting rod 402 is located at the locking end, during unlocking, the connecting rod fitting piece 401 rotates towards the unlocking direction (i.e. rotates towards the unlocking end), the connecting rod fitting piece 401 can pull the connecting rod 402 to unlock the well lid body 70, then when the well lid body 70 is closed, the front end of the locking bolt 411 can be abutted against the shaft flange 81, so that the front end of the locking bolt 411 retracts, and the connecting rod 402 is driven to move, the connecting rod 402 is connected to one end of the arc chute 4012 and can slide in the arc chute 4012, and the connecting rod fitting piece 401 cannot be driven to rotate, so that when the well lid body 70 is closed, the driving piece 30 and the torsion spring 31 do not need to be rotated, the force required when the locking bolt 411 is pushed to retract can be reduced.

Preferably, the center of the arc-shaped sliding groove 4012 coincides with the central axis of the connecting rod fitting 401, and in an alternative embodiment, the center of the arc-shaped sliding groove 4012 may coincide with the center of the through hole in the connecting rod fitting 401.

Referring to fig. 10 and 14 together, fig. 10 shows a position relationship diagram of a second detection component and the latch component 41, as an optional implementation manner of the present embodiment, the manhole cover lock further includes a second detection component, the second detection component is used for detecting whether the manhole cover body 70 is opened, the second detection component includes a detection housing 50, a second detection switch 51, a detection rod 52, and an elastic reset piece 53 connected to the detection rod 52, the detection housing 50 is used for connecting the front surface of the manhole cover body 70, and the second detection switch 51 is disposed in the detection housing 50; one end of the detection rod 52 is a trigger end 521 facing the second detection switch 51, the other end of the detection rod 52 is a pressing end 522 capable of extending out of the detection shell 50, the manhole cover body 70 is provided with a detection hole 704 (see fig. 13), and the pressing end 522 can pass through the detection hole 704 and protrude out of the back of the manhole cover body 70. When the manhole cover body 70 is closed, the pressing end 522 abuts against the upper end surface of the shaft flange 81 (refer to fig. 14), so that the detection rod 52 retracts into the detection housing 50, and the triggering end 521 of the detection rod 52 contacts and triggers the second detection switch 51; when the manhole cover body 70 is opened, the pressing end 522 of the detection rod 52 is disengaged from the shaft flange 81, and meanwhile, the detection rod 52 protrudes out of the back surface of the manhole cover body 70 again under the action of the elastic reset piece 53, and at this time, the triggering end 521 of the detection rod 52 is no longer in contact with the second detection switch 51. So, alright in order to realize the detection of opening and shutting well lid body 70 through the flexible of test rod 52.

Specifically, after the second detection component and the latch component 41 are installed on the well lid body 70, the well lid body 70 can be vertically arranged on the second detection component and the latch component 41, that is, the second detection component and the latch component 41 are separated by the well lid body 70.

Optionally, the number of the second detecting parts may be two, and in a specific application, one or more second detecting parts may be provided, or the number of the second detecting parts may correspond to the number of the latch parts 41.

Referring to fig. 11, fig. 11 shows a bottom view of the manhole cover lock when the manhole cover lock is mounted on the manhole cover body 70, as an optional implementation manner of this embodiment, the first detection component and the second detection component constitute a detection component of the manhole cover lock, the manhole cover lock further includes a controller 60, the first detection component and/or the second detection component of the detection assembly are both connected to the controller 60, and the first detection assembly and the second detection assembly can send detected information related to the manhole cover lock and the manhole cover body 70 to the controller 60.

Further, as one optional implementation manner of this embodiment, the controller 60 may include at least one of a main control circuit, a power supply module, and a communication module. Wherein, power module can supply power for master control circuit, communication module and determine module, and master control circuit connects in determine module (including first determine unit and second determine unit), and master control circuit passes through determine module and acquires the state information of well lid lock and well lid body 70 to send relevant state information to server or management terminal through communication module.

More specifically, the communication module may include a near field communication module and/or a remote communication module, and in a specific application, an operator may establish a connection (for example, a bluetooth connection) with the near field communication module using a mobile terminal such as a mobile phone on the site to obtain a real-time status of the manhole cover lock and the manhole cover body 70. In addition, the implementation states of the well cover lock and the well cover body 70 can be acquired through the remote communication module at the background, and the implementation monitoring of the well cover lock and the well cover body 70 is realized.

In specific application, when unlocking operation is performed, a key is firstly inserted into the lock hole 203, at this time, the key can read and identify the identity code of the code sheet 204, the key is rotated after the identity is confirmed, the toggle member 21 rotates along with the lock cylinder 20 and toggles the locking member 22, the position of the locking member 22 is changed to unlock the driving member 30, the first detection switch 23 is triggered by the detection groove 225 when the locking member 22 moves, at this time, the state change of the first detection switch 23 can be acquired by the main control circuit, and therefore the state of the well lid lock is judged; after the driving element 30 is unlocked, the handle can be inserted and the driving element 30 can be rotated, the connecting rod fitting element 401 can drive the connecting rod 402, so that the connecting rod 402 can pull the locking bolt 411 to retract until the front end of the locking bolt 411 is separated from the shaft flange 81, and the well lid body 70 is unlocked; after the manhole cover body 70 is opened, the pressing end 522 of the detection rod 52 does not press against the shaft flange 81 any more, so that the state of the second detection switch 51 changes, and the main control circuit can acquire the state information of the second detection switch 51, thereby determining the state of the manhole cover body 70.

Further, controller 60 can set up in the back of well lid body 70, like this, can avoid rainwater to influence the operation of controller 60 on the one hand, and on the other hand, can avoid artificial controller 60 of destroying.

The embodiment of the utility model provides a well lid still provides, please refer to fig. 12, and fig. 12 shows the spatial structure schematic diagram of well lid, and the well lid includes well lid body 70 and foretell well lid lock, and well lid body 70 is provided with the mounting hole 703 that is used for installing the well lid lock, and the well lid lock can improve the theftproof performance of well lid effectively to facility safety in the guarantee shaft 80.

With continued reference to fig. 12, as an alternative embodiment of the present embodiment, the manhole cover body 70 is provided with a plurality of drainage holes 701, so as to drain the accumulated water on the front surface of the manhole cover body 70 into the shaft.

As one optional implementation manner of this embodiment, the front of the manhole cover body 70 is further provided with a handle 702, and after the manhole cover lock is unlocked, an operator can open the manhole cover body 70 through the handle 702, which is favorable for the operator to open and close the manhole cover body 70.

Alternatively, two handles 702 may be provided, and the two handles 702 are symmetrically provided on the front surface of the manhole cover body 70.

Referring to fig. 13, fig. 13 shows an exploded view of the manhole cover, as an alternative embodiment of this embodiment, a protective cover 13 may be disposed on the back of the manhole cover body 70, and the protective cover 13 is sleeved on the periphery of the lock base 10 and connected to the lock base 10 by a fastener. When rainwater enters the back of the well lid body 70 from the drain hole 701, the protective cover 13 can prevent rainwater from permeating into the lock base 10, and the service life of the well lid lock is prolonged.

Further, movable openings 131 are provided on both sides of the protective cover 13, and the movable openings 131 can be used for the connection rod 402 to pass through, so that the protective cover 13 is prevented from interfering with the movement of the connection rod 402.

In specific application, please refer to fig. 14, fig. 14 shows a schematic diagram of the well lid when being installed in the shaft 80, an upper well lid 82 can be generally arranged on the top of the shaft, the well lid of the embodiment is arranged inside the shaft 80, and the upper well lid 82 can prevent dust and rainwater from falling into the shaft 80 to a certain extent, so as to further improve the service life of the well lid.

The embodiment of the utility model provides a well lid lock subassembly, well lid lock and well lid, through the position of lock core 20 control locking piece 22, make the stopper 223 of locking piece 22 stretch into or withdraw from the spacing groove 304 of driving piece 30 to realize the locking and the unblock of driving piece 30; after the driving member 30 is unlocked, the driving member 30 can rotate and drive the bolt 411 to stretch through the connecting rod component 40, so that the well lid body 70 is unlocked, and the well lid has the characteristics of good anti-theft performance and strong reliability.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (13)

1. The well cover lock assembly is characterized by comprising a driving assembly and a lock core assembly, wherein the driving assembly is rotated by a handle, the lock core assembly is arranged adjacent to the driving assembly, and the lock core assembly is provided with a lock core assembly driving part for limiting the driving assembly to rotate.

2. The well lid lock assembly of claim 1, wherein the locking member is adjacently provided with a lock cylinder position and a driving position, the driving position is provided with a limiting block, the lock cylinder assembly comprises a lock cylinder for cooperating with a key and a toggle member extending into the lock cylinder position and rotating with the lock cylinder to toggle the locking member; the driving assembly comprises a driving piece, and the driving piece is provided with a limiting groove for the limiting block to be inserted into to limit the driving piece to rotate.

3. The well lid lock assembly of claim 2, wherein said lock cylinder location and said drive location are through holes, said lock cylinder and said drive member passing through said lock cylinder location and said drive location, respectively; the poking piece is sleeved on the outer peripheral side of the lock cylinder and provided with a poking block used for abutting against the side wall of the lock cylinder position; the limiting block is arranged on the side wall of the driving position.

4. The well lid lock assembly of claim 2, wherein a resilient return member is connected to the drive member for return of the drive member.

5. The well lid lock assembly of claim 1, wherein the well lid lock further comprises a lock housing for receiving the drive assembly and the lock cylinder assembly, the drive assembly having an end provided with a slot for mating with a handle; the lock core assembly is provided with a lock hole matched with a key, the lock hole and the inserting groove are located on the front face of the lock seat, and the other end of the driving assembly extends out of the back face of the lock seat.

6. The well lid lock assembly of claim 5, wherein said lock housing is provided with a ball plunger, said locking member is provided with positioning holes for said ball plunger ends to extend into, and two of said positioning holes are provided adjacent to each other.

7. The well lid lock assembly of claim 1, wherein the locking member is movable between a locked position and an unlocked position by the lock cylinder assembly, the well lid lock assembly comprising a first detection means for detecting a positional status of the locking member, the first detection means comprising a first detection switch; the first detection switch is arranged in association with the lock member so that the first detection switch is triggered when the lock member is located at the lock position or the unlock position.

8. A manhole cover lock comprising a manhole cover lock assembly as claimed in any one of claims 1 to 7 and a locking assembly driven by the drive assembly.

9. The well lid lock of claim 8, wherein the locking assembly comprises a link member connected to the drive assembly and a latch member connected to and cooperating with the link member; the connecting rod part comprises a connecting rod fitting piece rotating along with the driving assembly and a connecting rod connected with the connecting rod fitting piece; the spring bolt part is including being used for connecting the spring bolt installed part at the well lid body back, running through the spring bolt installed part just by the spring bolt of connecting rod pulling with set up in the spring bolt installed part and be used for the elasticity that the spring bolt resets, the one end of spring bolt connect in the connecting rod, the other end of spring bolt stretches out the periphery of well lid body is followed.

10. The well cover lock of claim 9, wherein at least two sets of said connecting rod and said bolt member are symmetrically disposed; the connecting rod fitting piece is provided with arc-shaped sliding grooves corresponding to the number of the connecting rods, and each connecting rod is connected with each arc-shaped sliding groove in a sliding mode; the center of the arc-shaped sliding groove coincides with the central axis of the connecting rod fitting piece.

11. The manhole cover lock according to claim 9, further comprising a second detecting component for detecting whether the manhole cover body is opened, wherein the second detecting component comprises a detecting housing for connecting with the front surface of the manhole cover body, a second detecting switch disposed in the detecting housing, a detecting rod for triggering the second detecting switch, and an elastic resetting member for resetting the detecting rod, the elastic resetting member is connected to the detecting rod, one end of the detecting rod faces the second detecting switch, and the other end of the detecting rod extends out of the detecting housing and is used for abutting against a flange in the shaft.

12. The manhole lock of claim 11, further comprising a controller comprising at least one of a master control circuit, a power module, and a communication module; the controller is used for being connected with each electrical component in the well cover lock so as to acquire corresponding electrical signals.

13. A manhole cover comprising a manhole cover body, wherein the manhole cover further comprises a manhole cover lock as claimed in any one of claims 8 to 12.

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