CN219386412U

CN219386412U - Rotary anti-theft mechanism and well lid with same

Info

Publication number: CN219386412U
Application number: CN202320004648.0U
Authority: CN
Inventors: 陈忠; 方洁
Original assignee: Anqing Tianxing Special Building Materials Co ltd
Current assignee: Anqing Tianxing Special Building Materials Co ltd
Priority date: 2023-01-03
Filing date: 2023-01-03
Publication date: 2023-07-21
Anticipated expiration: 2033-01-03

Abstract

The utility model discloses a rotary anti-theft mechanism and a manhole cover with the same, and relates to the technical field of manhole covers. The well lid comprises a lid seat and a lid body, wherein the inner layer of the lid seat is provided with a supporting ring for installing and placing the lid body, and the upper surface of the lid body is flush with the top end surface of the lid seat after installation; simultaneously, four telescopic clamping block structures are arranged on the periphery of the bottom side face of the cover body, each clamping block structure comprises a shell and a clamping block which stretches out and draws back along the inside of the shell, a movable cavity is arranged in the shell, a convex ring is arranged on each clamping block, and springs sleeved on the periphery of each clamping block are arranged between the convex ring and the shell. According to the utility model, the clamping block structure is arranged on the bottom side surface of the cover body, the telescopic clamping block arranged in the clamping block structure is utilized to enable the end part of the clamping block to be abutted against the bottom side surface of the supporting ring, the cover body and the cover seat are in restricted fit together in a normal use state, the cover body is prevented from being easily detached from the cover seat, and the cover body has an anti-theft function.

Description

Rotary anti-theft mechanism and well lid with same

Technical Field

The utility model belongs to the technical field of inspection well covers, and particularly relates to a rotary anti-theft mechanism and a well cover with the same.

Background

The manhole cover is usually made of reinforced cement, metal, reinforced plastic and other materials, and the shape is mainly round and square. However, the existing inspection well cover generally comprises a cover body and a cover seat, wherein the cover seat is poured on the ground through cement and the like, and the cover body directly falls on the cover seat, so that the cover body can be easily removed from the cover seat by social personnel. For the existing inspection well cover, particularly a steel cover, because the inspection well cover material belongs to recyclable materials, the recyclable materials can be sold to obtain certain economic returns, so that the situation that the cover body part of the inspection well cover is stolen often occurs, when the cover body is stolen, the inspection well opening position is not protected, pedestrians are easily caused to lose feet, and safety accidents are caused.

Disclosure of Invention

The utility model aims to provide a rotary anti-theft mechanism and a well lid with the same, and the bottom side surface of a cover body is provided with a clamping block structure, so that the end part of the clamping block is abutted against the bottom side surface of a supporting ring by utilizing a telescopic clamping block arranged in the clamping block structure, and the problem that the cover body part of the existing inspection well cover is easy to be stolen is solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a rotary anti-theft mechanism which comprises a mounting piece and a mounting seat which is mounted on the mounting piece in a matching way, wherein a supporting ring for mounting and placing the mounting piece is arranged on the mounting seat; the rotary anti-theft mechanism comprises at least four clamping block structures arranged on the periphery of the bottom side surface of the mounting piece; the clamping block structure comprises a shell and a clamping block stretching out and drawing back along the inside of the shell; the clamping block protrudes from the shell and is inserted into the bottom side surface of the supporting ring; a rotating ring is arranged right below the mounting piece positioned at the center of the clamping block structure, and one end of the clamping block is connected with the rotating ring through a traction rope; the movable cavity is arranged in the shell, the convex ring is arranged on the clamping block, a spring sleeved on the periphery of the clamping block is arranged between the convex ring and the shell, and a guide inclined plane is arranged at the end part of the clamping block; when the clamping block is used, the traction rope is used for driving the clamping block to shrink inwards in the movable cavity along the length direction of the clamping block by controlling the rotation of the rotating ring, so that the clamping block is controlled to be separated from the bottom side surface of the supporting ring, the clamping block is removed to release the restriction between the mounting piece and the mounting seat, and the mounting piece can be removed from the mounting seat.

The rotary anti-theft mechanism can be used for a cover body and a manhole with equipment, the manhole is matched with an installation hole cover, and a clamping block structure is installed on the hole cover.

The utility model also provides a well lid, which comprises the rotary anti-theft mechanism, wherein the mounting piece is a cover body of the cover body, the mounting seat is a cover seat of the cover body, and the upper surface of the cover body is flush with the top end surface of the cover seat after the mounting; and lid center department is provided with the rectangle trompil, and the lid bottom side that is located rectangle trompil week side is provided with the bearing, the outer lane of bearing is provided with installation turn-ups A, and the bearing passes through installation turn-ups A and installs in lid bottom side, just the swivel becket then welds in the inner circle one side of bearing, and the center department of swivel becket is provided with an operation hole simultaneously, is located be provided with limiting plate under the swivel becket, and the week side of limiting plate is connected in lid bottom side through a plurality of spliced pole, simultaneously the center department of limiting plate is provided with and is the spacing hole that sets up with the same heart with the operation hole, operation hole and spacing hole are a rectangle through-hole.

Further, the medicine spoon also comprises a well cover medicine spoon, wherein the well cover medicine spoon comprises a key rod and a key head arranged at the end part of the key rod, the key head is of a rectangular block structure, and the key head is inserted into the operation hole and the limit hole in a matched manner; and the other end part of the key rod is provided with a handle.

Further, a rotating sleeve and a limiting ring for limiting the rotating sleeve in the vertical direction of the key rod are also rotated on the key rod above the key head; the outer side of the rotating sleeve is provided with a pair of lugs, and when the key rod is used, the limiting ring and the key head are driven to penetrate through the rectangular opening; the limiting block which is propped against one side of the lug and is used for limiting the rotation of the rotating sleeve along with the rotation of the key rod is arranged on the bottom side surface of the cover body at the rectangular opening.

The center department of limiting plate is provided with and is concentric spacing hole that sets up with the operation hole, the bottom side periphery side of lid seat is provided with installation turn-ups B, and has seted up a plurality of mounting holes on installation turn-ups B.

The utility model has the following beneficial effects:

according to the utility model, the clamping block structure is arranged on the bottom side surface of the cover body, the telescopic clamping block arranged in the clamping block structure is utilized to enable the end part of the clamping block to be abutted against the bottom side surface of the supporting ring, the cover body and the cover seat are in restricted fit together in a normal use state, the cover body is prevented from being easily detached from the cover seat, and the cover body has an anti-theft function.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of 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 utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a top view structure of a manhole cover;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is an enlarged view of a portion of FIG. 3 at A;

fig. 6 is a schematic view of a bottom view structure of the manhole cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-3 and 6, the utility model is a manhole cover, comprising a cover seat 2 and a cover body 1, wherein a support ring 22 for installing and placing the cover body 1 is arranged on the inner layer of the cover seat 2, and the upper surface of the cover body 1 is flush with the top end surface of the cover seat 2 after installation;

as shown in fig. 3-4 and 6, simultaneously, four telescopic clamping block structures are arranged on the periphery of the bottom side surface of the cover body 1, each clamping block structure comprises a shell 16 and a clamping block 17 which stretches along the inside of the shell 16, a movable cavity 161 is arranged in the shell 16, a convex ring 170 is arranged on each clamping block 17, a spring 18 sleeved on the periphery of each clamping block 17 is arranged between each convex ring 170 and the corresponding shell 16, and meanwhile, under the rebound effect of the springs 18, each clamping block 17 stretches out of the inside of the shell 16 and is inserted into the bottom side surface of the corresponding supporting ring 22, and a guide inclined surface 171 can be arranged at the end part of each clamping block 17;

in the above, as shown in fig. 3 and 5-6, a rotating ring 13 is further provided at the center of the four clamping block structures right under the cover 1, and one end of the clamping block 17 is connected with the rotating ring 13 through a traction rope 19; meanwhile, in the utility model, a rectangular opening 11 is arranged at the center of the cover body 1, a bearing 12 is arranged on the bottom side surface of the cover body 1 positioned at the periphery of the rectangular opening 11, a mounting flanging A121 is arranged on the outer ring of the bearing 12, the bearing 12 is arranged on the bottom side surface of the cover body 1 through the mounting flanging A121, a rotating ring 13 is welded on one side of the inner ring of the bearing 12, and an operation hole 131 is arranged at the center of the rotating ring 13;

as shown in fig. 5, a limiting plate 15 is arranged right below the rotating ring 13, the periphery of the limiting plate 15 is connected to the bottom side surface of the cover body 1 through a plurality of connecting columns 14, and a limiting hole 151 concentric with the operating hole 131 is arranged in the center of the limiting plate 15; meanwhile, the operation hole 131 and the limiting hole 151 are rectangular through holes.

As shown in fig. 1, 3 and 5, the present application further provides a manhole cover medicine spoon, which comprises a key rod 31, wherein one end of the key rod 31 is provided with an operation handle 3, the other end of the key rod 31 is provided with a key head 32 which passes through a rectangular opening 11 and can be inserted into the operation hole 131 and a limit hole 151, the key head 32 has a rectangular block structure, meanwhile, a rotating sleeve 33 and a limit ring 34 which limits the rotating sleeve 33 in the vertical direction along the key rod 31 are also rotated on the key rod 31 above the key head 32, a pair of lugs 35 are arranged on the outer side of the rotating sleeve 33, and when in use, the key rod 31 is controlled to drive the limit ring 34 and the key head 32 to pass through the rectangular opening 11;

when the lug 35 passes through the rectangular opening 11 completely, the end of the key head 32 is inserted into the limit hole 151, at this time, the rotating sleeve 33/rotating sleeve 33 is required to be rotated and the medicine spoon of the well cover is lifted up, so that the upper surface of the lug 35 is abutted against the bottom side surface of the cover body 1, at this time, the end of the key head 32 slides out of the limit hole 151, then the key rod 31 is controlled to rotate clockwise/anticlockwise, so as to realize the control of winding the traction rope 19 onto the rotating ring 13, at this time, the movement of the compression spring 18 can be realized by controlling the clamping block 17 through the traction rope 19, and then the clamping block 17 is separated from the bottom side surface of the support ring 22, namely, the cover body 1 can be taken out of the cover seat 2 at this time.

On the basis of the above, in order to avoid that the rotation sleeve 33 is easily driven to rotate when the key lever 31 is controlled to rotate clockwise/anticlockwise, a limit block 36 abutting against one side of the lug 35 is arranged on the bottom side surface of the cover body 1 at the rectangular opening 11, one side of the lug 35 abuts against the limit block 36 after rotating, and at the moment, the rotation sleeve 33 is limited to rotate along with the rotation of the key lever 31.

As shown in fig. 1 to 3 and 6, in the present application, the outer peripheral side of the bottom side surface of the cover seat 2 is provided with a mounting flange B23, and six mounting holes 24 are provided on the mounting flange B23; during installation, an installation groove is formed in the current wellhead position, the cover seat 2 is placed in the installation groove, then the cover seat is pre-fixed by penetrating the installation holes 24 through pins/screws, and then pouring of cement and the like is carried out.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A rotary anti-theft mechanism, characterized in that: the device comprises a mounting piece and a mounting seat which is matched and mounted on the mounting piece, wherein a supporting ring (22) for mounting and placing the mounting piece is arranged on the mounting seat;

the rotary anti-theft mechanism comprises at least four clamping block structures arranged on the periphery of the bottom side surface of the mounting piece; the clamping block structure comprises a shell (16) and a clamping block (17) which stretches out and draws back along the inside of the shell (16);

the clamping block (17) protrudes from the inside of the shell (16) and is inserted into the bottom side surface of the supporting ring (22); a rotating ring (13) is arranged right below the mounting piece positioned in the center of the clamping block structure, and one end of the clamping block (17) is connected with the rotating ring (13) through a traction rope (19).

2. The rotary anti-theft mechanism according to claim 1, wherein the housing (16) is provided with a movable cavity (161), the clamping block (17) is provided with a convex ring (170), a spring (18) sleeved on the periphery of the clamping block (17) is arranged between the convex ring (170) and the housing (16), and the end part of the clamping block (17) is provided with a guiding inclined plane (171).

3. A manhole cover characterized by comprising a rotary anti-theft mechanism as claimed in any one of claims 1-2, wherein the mounting part is a cover body (1) of the cover body and the mounting seat is a cover seat (2) of the cover body, and the upper surface of the cover body (1) is flush with the top end surface of the cover seat (2) after being mounted;

and lid (1) center department is provided with rectangle trompil (11), and lid (1) bottom side that is located rectangle trompil (11) week side is provided with bearing (12), the outer lane of bearing (12) is provided with installation turn-ups A (121), and bearing (12) are installed at lid (1) bottom side through installation turn-ups A (121), just swivel becket (13) then welds in the inner circle one side of bearing (12), and the center department of swivel becket (13) is provided with an operation hole (131) simultaneously.

4. A manhole cover according to claim 3, further comprising a manhole cover medicine spoon comprising a key rod (31) and a key head (32) arranged at the end of the key rod (31), wherein the key head (32) is inserted into the operation hole (131) in a matching manner.

5. The well lid according to claim 4, characterized in that a limiting plate (15) is arranged right below the rotating ring (13), the operating hole (131) and the limiting hole (151) are rectangular through holes, the key head (32) is in a rectangular block structure, and a limiting hole (151) concentric with the operating hole (131) is arranged at the center of the limiting plate (15); and the key head (32) is inserted into the limit hole (151) in a matching way.

6. The well lid according to claim 5, characterized in that the periphery of the limiting plate (15) is connected to the bottom side of the lid body (1) through a plurality of connecting columns (14); and the other end part of the key rod (31) is provided with a handle (3).

7. A manhole cover according to any one of claims 4 to 6, characterised in that a rotating sleeve (33) and a stop ring (34) for limiting the rotating sleeve (33) in a vertical direction along the key stem (31) are also pivoted on the key stem (31) above the key head (32).

8. A manhole cover according to claim 7, wherein a pair of lugs (35) are provided on the outer side of the rotating sleeve (33), and in use the key lever (31) drives the stop collar (34) and the key head (32) through the rectangular aperture (11).

9. A manhole cover according to claim 8, wherein a stopper (36) which abuts against one side of the lug (35) and which restricts the rotation of the rotation sleeve (33) in association with the rotation of the key lever (31) is provided on the bottom side of the cover body (1) at the rectangular opening (11).

10. A manhole cover according to any one of claims 4-6, wherein the outer periphery of the bottom surface of the cover base (2) is provided with a mounting flange B (23), and a plurality of mounting holes (24) are formed in the mounting flange B (23).