Nodular cast iron anti-theft well lid

Abstract

The utility model provides a nodular cast iron anti-theft well lid, which belongs to the field of well lids, and comprises a well seat, a well lid body is arranged on the well seat in a matching way, and a connecting assembly is arranged between the well seat and the well lid body; the fixing assembly comprises a rotating column, a rotating disc, a connecting rod and a clamping column, a cavity is formed in the well lid body, the rotating disc is arranged in the cavity, the rotating column is fixedly arranged at the top of the rotating disc, the top of the rotating column penetrates through the top of the well lid body to be rotationally arranged, and a rotating block is fixedly arranged at the top of the rotating column. According to the manhole cover, the fixing assembly is arranged, the manhole cover can be fixed, non-workers are prevented from opening the manhole cover body easily, safety is improved, the connecting assembly is further arranged, safety of the manhole cover body is guaranteed, meanwhile, the manhole cover body can be detached and replaced, and practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to a ductile iron anti-theft manhole cover. Background Art

[0002] A ductile iron anti-theft manhole cover with application number CN202020149841.X includes a manhole seat body and a cover plate body. The manhole seat body and the cover plate body are split structures. A bearing ring is downwardly arranged on the inner side of the upper outlet of the manhole seat body, and a cover plate mounting seat for mounting the cover plate body is also arranged on the upper side of the manhole seat body; the cover plate body is provided with a connecting plate that cooperates with the cover plate mounting seat, and the connecting plate is provided with a rotating shaft hole. In order to facilitate the opening of the cover plate body, a handle hole is also arranged on the cover plate body; the connecting plate is connected to the cover plate mounting seat through a rotating shaft, so that the cover plate body can rotate around the rotating shaft. In order to prevent the manhole seat from displacement, the manhole seat body is also provided with a skirt, and the skirt and the end of the manhole seat body away from the bearing ring are integrally formed. The manhole cover of the utility model can resist impact and does not displace. The manhole seat body and the cover plate body are connected by a rotating shaft, and the rotating shaft is welded on the cover plate mounting seat, so that the cover plate body is not easy to lose.

[0003] Although the above technology makes the cover body not easy to lose, it lacks a fixing device, and non-staff or naughty children can easily open the manhole cover body, which lacks safety and has certain safety hazards. In addition, the manhole cover body is prone to deformation after being crushed by vehicles for a long time, thereby causing abnormal noise. The above technology is not convenient for disassembly and replacement of the manhole cover body, which reduces its practicality. Utility Model Content

[0004] Aiming at the deficiencies in the prior art, the utility model provides a ductile iron anti-theft manhole cover.

[0005] The embodiment of the utility model provides a ductile iron anti-theft manhole cover, comprising:

[0006] A well seat, on which a well cover body is arranged in cooperation, and a connecting component is arranged between the well seat and the well cover body;

[0007] A fixing assembly, the fixing assembly includes a rotating column, a rotating disk, a connecting rod and a clamping column. A chamber is provided in the manhole cover body, the rotating disk is provided in the chamber, the rotating column is fixedly provided on the top of the rotating disk, the top of the rotating column passes through the top of the manhole cover body and is rotatably provided, a rotating block is fixedly provided on the top of the rotating column, a round rod is fixedly provided on the bottom of the turntable, the round rod passes through one end of the connecting rod and is rotatably provided, the other end of the connecting rod is hingedly provided on one end of the clamping column, and the clamping column is movably provided through one side of the chamber and extends outside the manhole cover body.

[0008] Furthermore, the connecting assembly includes a fixed block, two sliders, an axle rod and two bolts. A mounting piece is provided on one side of the well seat, a mounting groove is provided in the mounting piece, and slide grooves are provided on both sides of the mounting groove. The two sliders are respectively slidably set in the two slide grooves, and the two ends of the axle rod are respectively fixed on the two sliders. The fixed block is fixedly set on one side of the well cover body, and the axle rod penetrates the fixed block for sliding setting. The two bolts respectively penetrate the top two ends of the mounting piece and are movably set and extend into the two slide grooves. Threaded holes are provided on the two sliders, and the two bolts are respectively threadedly connected to the threaded holes on the same side.

[0009] Furthermore, a clamping groove is fixedly provided on the inner side of the well seat, and the clamping column extends into the clamping groove for matching arrangement.

[0010] Furthermore, a limiting ring is fixedly arranged on the inner wall of the well seat, and the well cover body is arranged to abut against the top of the limiting ring.

[0011] Furthermore, two first grooves are provided on the mounting member, and the two bolts are respectively arranged in the two first grooves; a second groove is provided on the manhole cover body, and the rotating block is arranged in the second groove.

[0012] Furthermore, a connecting groove is provided on the top of the manhole cover body, and the connecting groove is arranged in an L shape.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. A fixed component is set up. By rotating the rotating block, the turntable can be driven to rotate through the rotating column. The turntable can drive the card column to move inward through the round rod and the connecting rod and separate from the card slot. At this time, the manhole cover body can be opened; the manhole cover body is closed, and then the rotating block is rotated. The card column can be driven to move outward through the turntable and the connecting rod, and is stuck in the card slot for fixing, preventing non-staff from opening the manhole cover body easily, thereby improving safety.

[0015] 2. A connecting component is set up. Unscrew the two bolts and separate the two sliders from the corresponding slide grooves to remove the manhole cover body. Insert the two sliders into the corresponding slide grooves and screw the two bolts into the corresponding threaded holes to fix the manhole cover body. While ensuring the safety of the manhole cover body, the manhole cover body can be disassembled and replaced, which increases practicality.

[0016] In summary, the utility model is provided with a fixing component to fix the manhole cover, preventing non-staff from easily opening the manhole cover body, thereby improving safety. A connecting component is also provided to ensure the safety of the manhole cover body while allowing the manhole cover body to be disassembled and replaced, thereby increasing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a stereoscopic diagram of a ductile iron anti-theft manhole cover described in an embodiment of the utility model.

[0018] Figure 2 It is a three-dimensional unfolded view of a ductile iron anti-theft manhole cover described in an embodiment of the utility model.

[0019] Figure 3 It is a cross-sectional view of a ductile iron anti-theft manhole cover described in an embodiment of the utility model.

[0020] Figure 4 A ductile iron anti-theft manhole cover as described in the embodiment of the utility model Figure 3 Enlarged view of point A in the middle.

[0021] In the above drawings: 1 well seat, 2 well cover body, 3 mounting part, 4 fixed block, 5 slide groove, 6 slider, 7 shaft rod, 8 bolt, 9 chamber, 10 rotating block, 11 rotating column, 12 turntable, 13 round rod, 14 connecting rod, 15 clamping column, 16 clamping groove, 17 limiting ring, 18 connecting groove. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] like Figure 1-Figure 4 As shown, the embodiment of the utility model provides a ductile iron anti-theft manhole cover, comprising:

[0024] A well seat 1 is provided with a well cover body 2, a limit ring 17 is fixedly provided on the inner wall of the well seat 1, the well cover body 2 is abutted against the top of the limit ring 17, the limit ring 17 plays a role of limiting and supporting the well cover body 2, a connecting groove 18 is provided on the top of the well cover body 2, the connecting groove 18 is L-shaped, and the connecting groove 18 is convenient for the staff to hook up and open the well cover body 2 with a specific hook tool, and a connecting component is provided between the well seat 1 and the well cover body 2;

[0025] The connecting assembly includes a fixed block 4, two sliders 6, an axle rod 7 and two bolts 8. A mounting member 3 is provided on one side of the well seat 1. A mounting groove is provided in the mounting member 3. Slide grooves 5 are provided on both sides of the mounting groove. Two sliders 6 are respectively slidably provided in the two slide grooves 5. Both ends of the axle rod 7 are respectively fixedly provided on the two sliders 6. The fixed block 4 is fixedly provided on one side of the well cover body 2. The axle rod 7 penetrates the fixed block 4 and is slidably provided. Two bolts 8 penetrate the top ends of the mounting member 3 and are movably provided and extend into the two slide grooves 5. Threaded holes are provided on the two sliders 6. The two bolts 8 are respectively threadedly connected with the threaded holes on the same side. Two first grooves are provided on the mounting member 3. The two bolts 8 are respectively provided in the two first grooves to prevent the two bolts 8 from protruding and affecting the driving of the vehicle.

[0026] A fixing assembly, the fixing assembly includes a rotating column 11, a rotating disk 12, a connecting rod 14 and a clamping column 15. A chamber 9 is provided in the manhole cover body 2, the rotating disk 12 is provided in the chamber 9, the rotating column 11 is fixedly provided on the top of the rotating disk 12, the top of the rotating column 11 passes through the top of the manhole cover body 2 and is rotatably provided, a rotating block 10 is fixedly provided on the top of the rotating column 11, and the rotating block 10 is provided in a hexagonal column shape, which is convenient for the staff to use a tool to rotate the rotating block 10, and a second groove is provided on the manhole cover body 2, and the rotating block 10 is provided in the second groove to prevent the rotating block 10 from bulging and affecting the driving of the vehicle;

[0027] A round rod 13 is fixedly provided at the bottom of the turntable 12, and the round rod 13 passes through one end of a connecting rod 14 and is rotatably provided. The other end of the connecting rod 14 is hingedly provided at one end of a clamping column 15. The clamping column 15 passes through one side of the chamber 9 and is movably provided and extends to the outside of the manhole cover body 2. A clamping groove 16 is fixedly provided on the inner side of the manhole seat 1, and the clamping column 15 extends into the clamping groove 16 for cooperation, so that the clamping column 15 can be clamped into the clamping groove 16.

[0028] The detailed working process of the utility model is as follows:

[0029] 1. When opening, the staff first uses a tool to rotate the rotating block 10, and the rotating block 10 drives the rotating disk 12 to rotate through the rotating column 11. The rotating disk 12 drives the clamping column 15 to move inward through the round rod 13 and the connecting rod 14, and separates from the clamping groove 16, and then uses a hook tool to hook the connecting groove 18, and then the manhole cover body 2 can be opened;

[0030] 2. When replacing, the staff first unscrews the two bolts 8, then pushes the manhole cover body 2 inward to separate the two sliders 6 from the corresponding slide grooves 5, and then removes the manhole cover body 2, and then installs the new manhole cover body 2, inserts the two sliders 6 into the corresponding slide grooves 5, and then screws the two bolts 8 into the corresponding threaded holes;

[0031] 3. When closing, the staff first closes the manhole cover body 2, and then rotates the rotating block 10, drives the clamping column 15 to move outward through the turntable 12 and the connecting rod 14, and inserts it into the clamping groove 16 to fix it.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A ductile iron anti-theft manhole cover, characterized in that: include: A well seat (1), wherein a well cover body (2) is arranged on the well seat (1), and a connecting component is arranged between the well seat (1) and the well cover body (2); A fixing assembly, the fixing assembly comprising a rotating column (11), a rotating disk (12), a connecting rod (14) and a clamping column (15); a chamber (9) is arranged in the manhole cover body (2); the rotating disk (12) is arranged in the chamber (9); the rotating column (11) is fixedly arranged on the top of the rotating disk (12); the top of the rotating column (11) passes through the top of the manhole cover body (2) and is rotatably arranged; a rotating block (10) is fixedly arranged on the top of the rotating column (11); a round rod (13) is fixedly arranged on the bottom of the rotating disk (12); the round rod (13) passes through one end of the connecting rod (14) and is rotatably arranged; the other end of the connecting rod (14) is hingedly arranged on one end of the clamping column (15); the clamping column (15) passes through one side of the chamber (9) and is movably arranged and extends to the outside of the manhole cover body (2).

2. The ductile iron anti-theft manhole cover according to claim 1 is characterized in that: in: The connecting assembly comprises a fixed block (4), two sliding blocks (6), an axle rod (7) and two bolts (8); a mounting member (3) is provided on one side of the well seat (1); a mounting groove is provided in the mounting member (3); sliding grooves (5) are provided on both sides of the mounting groove; the two sliding blocks (6) are respectively slidably arranged in the two sliding grooves (5); the two ends of the axle rod (7) are respectively fixedly arranged on the two sliding blocks (6); the fixed block (4) is fixedly arranged on one side of the well cover body (2); the axle rod (7) penetrates the fixed block (4) and is slidably arranged; the two bolts (8) respectively penetrate the top ends of the mounting member (3) and are movably arranged and extend into the two sliding grooves (5); the two sliding blocks (6) are respectively provided with threaded holes; the two bolts (8) are respectively threadedly connected with the threaded holes on the same side.

3. The ductile iron anti-theft manhole cover according to claim 1 is characterized in that: in: A clamping groove (16) is fixedly provided on the inner side of the well seat (1), and the clamping column (15) extends into the clamping groove (16) for matching arrangement.

4. The ductile iron anti-theft manhole cover according to claim 1 is characterized in that: in: A limiting ring (17) is fixedly arranged on the inner wall of the well seat (1), and the well cover body (2) is arranged to abut against the top of the limiting ring (17).

5. The ductile iron anti-theft manhole cover according to claim 2 is characterized in that: in: The mounting member (3) is provided with two first grooves, and the two bolts (8) are respectively arranged in the two first grooves; the manhole cover body (2) is provided with a second groove, and the rotating block (10) is arranged in the second groove.

6. The ductile iron anti-theft manhole cover according to claim 1, characterized in that: in: A connecting groove (18) is provided on the top of the manhole cover body (2), and the connecting groove (18) is arranged in an L shape.

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