Steel grating well lid

Abstract

The utility model relates to the technical field of well lid manufacturing, and provides a steel grating well lid which comprises an installation frame, an installation structure is fixed to the outer wall of the bottom of the installation frame, an installation groove is formed in the top of the installation frame, a well lid body is arranged at the top of the installation groove, and a reinforcing structure is fixed to the bottom end of the well lid body. And a protection structure is arranged at the bottom of the mounting groove. According to the manhole cover, the protection structure is arranged, the mounting ring can be clamped to the top end of the mounting frame at the bottom of the mounting groove through the clamping effect of the reserved groove and the limiting block, the metal net can be conveniently arranged over the water outlet, pedestrians are prevented from falling off through the water outlet, and the safety of the pedestrians after the manhole cover body is broken is guaranteed; the safety protection function of the device is achieved, and the safety of the steel grating well lid in the using process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to manhole cover manufacturing technical field, especially a kind of steel grating manhole cover. BACKGROUND

[0002] With the acceleration of urbanization, the construction of urban infrastructure is increasingly improved. As an important part of urban infrastructure, manhole covers are widely used in gate traps of water supply pipelines, slag removal traps of sewage pipelines, branch traps of underground communication cables and maintenance traps of power cables. Therefore, a steel grating manhole cover needs to be designed.

[0003] Therefore, the patent with publication number CN203383238U discloses a steel grating manhole cover, which includes a body, the body includes a cover plate, an outer frame and a hinge part, the outer frame is uniformly provided with fixing pieces, the cover plate is connected with the outer frame through the hinge part, and a manhole cover lock is further arranged on the cover plate. The utility model has long service life, high strength and good anti-theft property, and can prevent personal injury caused by the loss of manhole covers. The hinge part has anti-theft property, and the manhole cover lock increases the safety of the utility model to prevent theft. The patterned steel plate has anti-slip property to prevent people from slipping on the cover plate. The surface of the body is galvanized to prevent corrosion and prolong service life. The utility model has good safety load property.

[0004] Although the steel grating manhole cover has a galvanized surface to prolong service life, it is easy to break under external pressure when cracks or damage occur in the manhole cover, which is inconvenient for protecting the safety of pedestrians. Therefore, a steel grating manhole cover needs to be designed. SUMMARY

[0005] The utility model aims to provide a steel grating manhole cover to solve the defects of the existing steel grating manhole cover, which is easy to break under external pressure when cracks or damage occur in the manhole cover, and is inconvenient for protecting the safety of pedestrians.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: a steel grating manhole cover includes a mounting frame.

[0007] An installation structure is fixed on the outer wall of the bottom of the mounting frame.

[0008] A mounting groove is arranged on the top of the mounting frame, a manhole cover body is arranged on the top of the mounting groove, and a reinforcing structure is fixed on the bottom end of the manhole cover body.

[0009] A protection structure is arranged on the bottom of the mounting groove, the protection structure includes a mounting ring, a reserved groove, a limiting block, a fixing bolt and a metal net, the mounting ring is arranged on the bottom of the mounting groove, the reserved grooves are uniformly arranged in the mounting ring, the limiting blocks are arranged in the reserved grooves, the fixing bolts are screw-connected to the mounting ring, and the metal net is fixed on the inner wall of the mounting ring.

[0010] Further, the mounting structure comprises ground nails, mounting bolts and mounting plates, the mounting plates are fixed to the outer wall of the bottom of the mounting frame, the ground nails are uniformly fixed to the bottom end of the mounting plate close to one side of the mounting frame, and the mounting bolts are uniformly and screw-connected in the mounting plate.

[0011] Further, the ground nails are distributed at equal intervals at the low end of the mounting plate, and the main view cross section of the bottom of the ground nail is designed as a triangle.

[0012] Further, the top view cross section area of the mounting groove is larger than the top view cross section area of the bottom of the mounting groove, the outer diameter size of the well lid body is larger than the outer diameter size of the bottom of the mounting groove and smaller than the outer diameter size of the top of the mounting groove.

[0013] Further, the reinforcing structure comprises reinforcing rods, outer connecting rings and inner connecting rings, the reinforcing rods are uniformly fixed to the low end of the well lid body, one end of the reinforcing rod is fixed with the outer connecting ring, and the other end of the reinforcing rod is fixed with the inner connecting ring.

[0014] Further, the reinforcing rods are distributed at equal intervals at the low end of the well lid body, and the inner diameter size of the outer connecting ring is larger than the outer diameter size of the inner connecting ring.

[0015] Further, the reserved grooves are distributed at equal intervals in the inner part of the mounting ring, and the bottom end of the limiting block is fixedly connected with the inner wall of the mounting frame.

[0016] The steel grating well lid has the advantages that:

[0017] The mounting ring is clamped at the top end of the mounting groove bottom mounting frame through the clamping effect of the reserved grooves and the limiting blocks, the metal net can be arranged directly above the sewer inlet, pedestrians can be prevented from falling through the sewer inlet, the safety of pedestrians after the well lid body is broken is ensured, the device has the safety protection function, and the safety of the steel grating well lid during use is improved.

[0018] The reinforcing structure is arranged, the reinforcing rods have the reinforcing effect, the bearing capacity of the well lid body can be remarkably improved, the well lid is more solid and durable, the connecting effect of the outer connecting ring and the inner connecting ring can ensure the uniformity of the load distribution of the bottom of the well lid body, the device has the function of facilitating the reinforcement of the well lid body, and the stability of the steel grating well lid during use is improved.

[0019] The mounting structure is arranged, the ground nails are inserted into the ground, the fastening of the mounting plate and the ground can be improved, the mounting bolts are used to fasten the mounting plate to the ground, the stability of the connection between the mounting plate and the ground is ensured, the device has the function of facilitating the installation, and the convenience of the steel grating well lid during use is improved.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is whole three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is front view cross section structure schematic diagram of the utility model;

[0022] Figure 3 It is reinforcing structure bottom view three-dimensional structure schematic diagram of the utility model;

[0023] Figure 4 It is top view cross section structure schematic diagram of the utility model;

[0024] Figure 5 It is front view cross section three-dimensional structure schematic diagram of the utility model;

[0025] Figure 6 It is side view cross section three-dimensional structure schematic diagram of the utility model.

[0026] The figure mark in the drawing explains: 1, mounting frame;2, mounting structure;21, ground nail;22, mounting bolt;23, mounting plate;3, mounting groove;4, well lid body;5, reinforcing structure;51, reinforcing rod;52, outer connecting ring;53, inner connecting ring;6, protection structure;61, mounting ring;62, reserved slot;63, limit block;64, fixed bolt;65, metal net. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-6 The utility model provides a kind of steel grating well lid, including mounting frame 1.

[0029] Refer to Figure 1 、 Figure 2 And Figures 4-6 Mounting structure 2 is fixed on the outer wall of the bottom of mounting frame 1, and mounting structure 2 includes ground nail 21, mounting bolt 22 and mounting plate 23, mounting plate 23 is fixed on the outer wall of the bottom of mounting frame 1, ground nail 21 is uniformly fixed on the bottom end of mounting plate 23 close to one side of mounting frame 1, mounting bolt 22 is uniformly screw-connected in the inside of mounting plate 23, ground nail 21 is distributed at equal intervals at the low end of mounting plate 23, and the front view cross section of the bottom of ground nail 21 is designed as triangle.

[0030] In the installation, the ground nail 21 is inserted into the ground, and then the mounting plate 23 and the ground are fixedly connected by using the mounting bolt 22, so that the mounting rack 1 and the ground are fixedly connected.

[0031] Referring to Figure 2 , Figure 3 , Figure 5 and Figure 6 , the top of the mounting rack 1 is provided with a mounting groove 3, the top of the mounting groove 3 has a larger plan view cross-sectional area than the bottom of the mounting groove 3, the top of the mounting groove 3 is provided with a manhole cover body 4, the outer diameter of the manhole cover body 4 is larger than the outer diameter of the bottom of the mounting groove 3 and smaller than the outer diameter of the top of the mounting groove 3, the bottom end of the manhole cover body 4 is fixedly provided with a reinforcing structure 5, the reinforcing structure 5 comprises reinforcing rods 51, outer connecting rings 52 and inner connecting rings 53, the reinforcing rods 51 are uniformly fixed to the low end of the manhole cover body 4, one end of each of the reinforcing rods 51 is fixedly provided with an outer connecting ring 52, the other end of each of the reinforcing rods 51 is fixedly provided with an inner connecting ring 53, the reinforcing rods 51 are distributed at equal intervals at the low end of the manhole cover body 4, and the inner diameter of the outer connecting ring 52 is larger than the outer diameter of the inner connecting ring 53.

[0032] The reinforcing rods 51 have a reinforcing effect, can improve the supporting capacity of the manhole cover body 4, and make the manhole cover more solid and durable, and through the connecting effect of the outer connecting rings 52 and the inner connecting rings 53, the uniformity of the load distribution at the bottom of the manhole cover body 4 can be ensured.

[0033] Referring to Figure 2 and Figures 4-6 , the bottom of the mounting groove 3 is provided with a protection structure 6, the protection structure 6 comprises mounting rings 61, reserved grooves 62, limiting blocks 63, fixing bolts 64 and metal nets 65, the mounting rings 61 are arranged at the bottom of the mounting groove 3, the inside of each of the mounting rings 61 is uniformly provided with a reserved groove 62, the inside of each of the reserved grooves 62 is provided with a limiting block 63, the inside of each of the mounting rings 61 is uniformly threadedly connected with a fixing bolt 64, and the inner side wall of each of the mounting rings 61 is fixedly provided with a metal net 65, the reserved grooves 62 are distributed at equal intervals in the inside of the mounting ring 61, and the bottom end of each of the limiting blocks 63 is fixedly connected with the inner wall of the mounting rack 1.

[0034] In the installation, the mounting ring 61 is placed at the bottom of the mounting groove 3, so that the limiting block 63 can pass through the inside of the reserved groove 62, and then the mounting ring 61 and the mounting rack 1 are fixedly connected with each other by using the fixing bolt 64, the limiting block 63 can play a limiting role, and when someone falls above the metal net 65, a plurality of limiting blocks 63 can be uniformly stressed, so as to ensure the safety of the personnel.

[0035] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A steel grating well lid, comprising a mounting frame (1); Characterized in that: The bottom of the mounting frame (1) is fixed with a mounting structure (2); The top of the mounting frame (1) is provided with a mounting groove (3), and the top of the mounting groove (3) is provided with a well lid body (4), and the bottom end of the well lid body (4) is fixed with a reinforcing structure (5); The bottom of the mounting groove (3) is provided with a protection structure (6), the protection structure (6) comprises a mounting ring (61), a reserved groove (62), a limiting block (63), a fixed bolt (64) and a metal mesh (65), the mounting ring (61) is arranged at the bottom of the mounting groove (3), the mounting ring (61) is uniformly provided with the reserved groove (62) inside, the reserved groove (62) is uniformly provided with the limiting block (63) inside, the mounting ring (61) is uniformly connected with the fixed bolt (64) inside, and the inner side wall of the mounting ring (61) is fixed with the metal mesh (65).

2. A grating well cover according to claim 1, characterized in that: The mounting structure (2) comprises a ground nail (21), a mounting bolt (22) and a mounting plate (23), the mounting plate (23) is fixed on the outer wall of the bottom of the mounting frame (1), the ground nails (21) are uniformly fixed on one side of the bottom end of the mounting plate (23) close to the mounting frame (1), and the mounting plate (23) is uniformly connected with the mounting bolt (22) inside.

3. A grating well cover according to claim 2, characterised in that: The ground nails (21) are distributed at equal intervals at the low end of the mounting plate (23), and the main view cross section of the bottom of the ground nail (21) is designed in a triangular shape.

4. A grating well cover according to claim 1, characterized in that: The top view cross section area of the mounting groove (3) is greater than that of the bottom of the mounting groove (3), the outer diameter size of the well lid body (4) is greater than that of the bottom of the mounting groove (3) and smaller than that of the top of the mounting groove (3).

5. A grating well cover according to claim 1, characterized in that: The reinforcing structure (5) comprises a reinforcing rod (51), an outer connecting ring (52) and an inner connecting ring (53), the reinforcing rod (51) is uniformly fixed at the low end of the well lid body (4), one end of the reinforcing rod (51) is fixed with the outer connecting ring (52), and the other end of the reinforcing rod (51) is fixed with the inner connecting ring (53).

6. A grating well cover according to claim 5, characterised in that: The reinforcing rod (51) is distributed at equal intervals at the low end of the well lid body (4), and the inner diameter size of the outer connecting ring (52) is greater than the outer diameter size of the inner connecting ring (53).

7. A grating well cover according to claim 1, characterized in that: The reserved grooves (62) are distributed at equal intervals inside the mounting ring (61), and the bottom end of the limiting block (63) is fixedly connected with the inner wall of the mounting frame (1).

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