Adjustable steel grating

Abstract

The utility model discloses an adjustable steel grating, which belongs to the technical field of steel gratings and comprises a left frame body and a right frame body, a transverse plate is arranged in an inner cavity of each frame body, top plates are arranged on the left side and the right side of the top of each transverse plate, and inserting rods are fixedly mounted at the bottoms of the top plates. The bottom of the inserting rod movably penetrates through the transverse plate and extends into the frame body, a mounting base is fixedly mounted on the left side of the frame body, limiting rods are fixedly mounted on the front sides and the rear sides of the left side and the right side of an inner cavity of the mounting base, the outer sides of the limiting rods are movably sleeved with moving plates, and supporting plates are fixedly mounted at the bottoms of the moving plates; and positioning rods are fixedly mounted on the front side and the rear side of the right side of the supporting plate. The device has the function of adjusting the distance between the transverse plates, meanwhile, the number of the transverse plates can be installed or reduced, the use diversity of the device is improved, the adjacent frame bodies can be rapidly disassembled and assembled, and the use convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel gratings, in particular to an adjustable steel grating. Background Art

[0002] Steel grating, also known as mesh grille, is a steel product made of flat steel that is cross-arranged at a certain interval and cross bars and welded into a square grid in the middle. Steel grating is mainly used for ditch covers, steel structure platform plates, steel ladder treads, etc. The cross bars are generally made of twisted square steel. Steel grating is generally made of carbon steel and hot-dip galvanized on the surface to prevent oxidation. It can also be made of stainless steel. Steel grating has ventilation, lighting, heat dissipation, anti-slip, explosion-proof and other properties.

[0003] The patent document with publication number CN203383238U discloses a steel grating manhole cover, including a main body, wherein the main body includes a cover plate, an outer frame, and a hinge part. The outer frame is evenly provided with fixing plates, and the cover plate is connected to the outer frame through a hinge part. A manhole cover lock is also provided on the cover plate. The utility model has a long service life, high strength, and good anti-theft performance, and prevents personal injury caused by the loss of the manhole cover. The hinge part is anti-theft, and the manhole cover lock increases the safety of the utility model and prevents theft. The patterned steel plate is anti-slip to prevent people walking on the cover plate from slipping. The surface of the main body is galvanized for corrosion resistance and to extend the service life. The utility model has safe load-bearing capacity.

[0004] The device in the above technical solution is not convenient for installing multiple horizontal plates, does not have the function of adjusting the spacing between the horizontal plates, has a relatively single use environment, has certain limitations, and is not convenient for splicing steel gratings, which reduces the practicality of the device; therefore, we propose an adjustable steel grating to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable steel grating to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An adjustable steel grating comprises two frames distributed on the left and right, wherein the inner cavity of the frame is provided with a transverse plate, and top plates are provided on the left and right sides of the top of the transverse plate, and an insertion rod is fixedly installed on the bottom of the top plate, and the bottom of the insertion rod movably passes through the transverse plate and extends to the inside of the frame, and a mounting seat is fixedly installed on the left side of the frame, and limiting rods are fixedly installed on the front and rear sides of the left and right sides of the inner cavity of the mounting seat, and a movable plate is movably sleeved on the outer side of the limiting rod, and a support plate is fixedly installed on the bottom of the movable plate, and positioning rods are fixedly installed on the front and rear sides of the right side of the support plate.

[0008] Preferably, the left and right sides of the top of the horizontal plate are penetrated with holes adapted to the insertion rod, the left and rear sides of the bottom of the frame inner cavity are provided with slots adapted to the insertion rod, and the outer sides of the insertion rod are in sliding contact with the inner cavities of the holes and slots.

[0009] Preferably, the bottom of the mounting seat on the right side extends to the inside of the frame on the left side, and the right side of the positioning rod movably passes through the mounting seat and extends to the inside of the frame.

[0010] Preferably, positioning bolts are provided on the front and rear sides of the top of the top plate, the bottom threads of the positioning bolts pass through the top rod and extend into the interior of the frame, and positioning screw holes matching the positioning bolts are provided at the four corners of the top of the frame.

[0011] Preferably, the front side and the rear side of the left side of the movable plate are fixedly connected with a first spring, the left side of the first spring is fixedly connected to the left side of the inner cavity of the fixed mounting seat, and the first spring is sleeved on the outside of the limiting rod.

[0012] Preferably, the front side and the rear side of the movable plate both movably penetrate the mounting seat, and the front side and the rear side of the mounting seat are both provided with sliding holes adapted to the movable plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, the positioning bolt is rotated forward, the positioning bolt is moved upward to make it away from the positioning screw hole on the top of the frame, and then the top plate is moved upward. The top plate drives the insertion rod to move upward to make the insertion rod away from the cross plate, and then the cross plate is moved to the front or rear side, and the insertion rod and the positioning bolt are reset in turn. The utility model has the function of adjusting the spacing of the cross plates, and at the same time, the number of cross plates can be installed or reduced, thereby improving the diversity of use of the device.

[0015] 2. In the utility model, the movable plate is moved to the left, the movable plate drives the supporting plate to move to the left, and the first spring is compressed at the same time, the supporting plate drives the positioning rod to move to the left, so that the positioning rod moves to the inner cavity of the mounting seat, and then the mounting seat is placed on the right side of the frame, and the movable plate is released. The positioning rod can be reset by the elastic force of the first spring, so that the positioning rod can be inserted into the interior of the frame, and the adjacent frames can be quickly disassembled and assembled, thereby improving the convenience of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of an adjustable steel grating proposed by the utility model;

[0017] Figure 2 This is a three-dimensional structural split diagram of an adjustable steel grating proposed by the utility model;

[0018] Figure 3 The utility model is a schematic diagram of the local structure of an adjustable steel grating.

[0019] In the figure: 1, frame; 2, horizontal plate; 3, mounting seat; 4, top plate; 5, plug rod; 6, slot; 7, plug hole; 8, positioning bolt; 9, positioning screw hole; 10, limit rod; 11, moving plate; 12, positioning rod; 13, first spring; 14, support plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-3 A kind of adjustable steel grating comprises two frames 1 distributed on the left and right, the inner cavity of the frame 1 is provided with a horizontal plate 2, the left and right sides of the top of the horizontal plate 2 are provided with a top plate 4, the bottom of the top plate 4 is fixedly installed with an insertion rod 5, the bottom of the insertion rod 5 movably passes through the horizontal plate 2 and extends to the inside of the frame 1, a mounting seat 3 is fixedly installed on the left side of the frame 1, and the front and rear sides of the left and right sides of the inner cavity of the mounting seat 3 are fixedly installed with a limiting rod 10, the outer side of the limiting rod 10 is movably sleeved with a moving plate 11, the bottom of the moving plate 11 is fixedly installed with a supporting plate 14, and the front and rear sides of the right side of the supporting plate 14 are fixedly installed with a positioning rod 12.

[0022] In this embodiment, the left and right sides of the top of the cross plate 2 are penetrated with holes 7 compatible with the insertion rod 5, and the left and rear sides of the bottom of the inner cavity of the frame body 1 are provided with slots 6 compatible with the insertion rod 5. The outer sides of the insertion rod 5 are in sliding contact with the inner cavities of the holes 7 and the slots 6. The bottom of the mounting seat 3 on the right extends to the inside of the frame on the left. The right side of the positioning rod 12 movably passes through the mounting seat 3 and extends to the inside of the frame. The insertion rod 5 can limit the position of the cross plate 2, thereby improving the stability of the cross plate 2 during use.

[0023] In this embodiment, positioning bolts 8 are provided on the front and rear sides of the top of the top plate 4. The bottom threads of the positioning bolts 8 penetrate the top rod and extend into the interior of the frame 1. Positioning screw holes 9 compatible with the positioning bolts 8 are provided at the four corners of the top of the frame 1. The front and rear sides of the left side of the movable plate 11 are fixedly connected with the first spring 13. The left side of the first spring 13 is fixedly connected to the left side of the inner cavity of the mounting seat 3. The first spring 13 is sleeved on the outside of the limiting rod 10. The front and rear sides of the movable plate 11 are movably penetrated through the mounting seat 3. The front and rear sides of the mounting seat 3 are provided with sliding holes compatible with the movable plate 11. The positioning rod 12 can be reset by the first spring 13, thereby improving the fixing effect of the positioning rod 12 on the mounting seat 3.

[0024] After the cam 11 is in the state of being moved to the left, the cam 11 is released, and the locking cam 12 is released, so that the locking cam 12 is locked and the locking cam 12 is in the state of being locked.

[0025] The above is a detailed introduction to an adjustable steel grating provided by the utility model. This article uses specific embodiments to illustrate the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. An adjustable steel grating, comprising two frames (1) distributed on the left and right, characterized in that: The inner cavity of the frame (1) is provided with a transverse plate (2), and the left and right sides of the top of the transverse plate (2) are provided with a top plate (4), and the bottom of the top plate (4) is fixedly installed with an insertion rod (5), and the bottom of the insertion rod (5) movably passes through the transverse plate (2) and extends into the interior of the frame (1), and the left side of the frame (1) is fixedly installed with a mounting seat (3), and the front and rear sides of the left and right sides of the inner cavity of the mounting seat (3) are fixedly installed with a limit rod (10), and the outer side of the limit rod (10) is movably sleeved with a movable plate (11), and the bottom of the movable plate (11) is fixedly installed with a support plate (14), and the front and rear sides of the right side of the support plate (14) are fixedly installed with a positioning rod (12).

2. The adjustable steel grating according to claim 1, characterized in that: The left and right sides of the top of the horizontal plate (2) are penetrated by insertion holes (7) adapted to the insertion rod (5), the left and rear sides of the bottom of the inner cavity of the frame body (1) are provided with slots (6) adapted to the insertion rod (5), and the outer sides of the insertion rod (5) are in sliding contact with the inner cavities of the insertion holes (7) and the slots (6).

3. The adjustable steel grating according to claim 1, characterized in that: The bottom of the mounting seat (3) on the right side extends to the inside of the frame on the left side, and the right side of the positioning rod (12) movably passes through the mounting seat (3) and extends to the inside of the frame.

4. The adjustable steel grating according to claim 1, characterized in that: Positioning bolts (8) are provided on the front and rear sides of the top of the top plate (4); the bottom thread of the positioning bolt (8) passes through the top rod and extends into the interior of the frame (1); and positioning screw holes (9) compatible with the positioning bolts (8) are provided at the four corners of the top of the frame (1).

5. The adjustable steel grating according to claim 1, characterized in that: The front and rear sides of the left side of the movable plate (11) are both fixedly connected with a first spring (13), the left side of the first spring (13) is fixedly connected to the left side of the inner cavity of the fixed mounting seat (3), and the first spring (13) is sleeved on the outside of the limiting rod (10).

6. The adjustable steel grating according to claim 1, characterized in that: The front side and the rear side of the movable plate (11) are movably connected through the mounting seat (3), and the front side and the rear side of the mounting seat (3) are provided with sliding holes that are compatible with the movable plate (11).

Images