Steel grating with limiting and positioning structure

Abstract

The utility model discloses a steel grating with a limiting and positioning structure, and relates to the field of steel gratings, the steel grating comprises an outer frame and a first limiting assembly, the inner surface of the outer frame is fixedly provided with a metal grid frame, and the inner surface of the outer frame is rotatably connected with a bidirectional screw rod. According to the steel grating with the limiting and positioning structure, through the arranged annular connecting piece sleeve, a worker can conveniently drive a two-way lead screw to rotate in the outer frame, so that first limiting assemblies on the upper side and the lower side can synchronously and oppositely move, and the purpose of rapidly adjusting the width of the steel grating is achieved; through arrangement of a second limiting assembly, a worker can conveniently and rapidly adjust the length of the steel grating; therefore, the situation that the dismounting and mounting efficiency of a worker is interfered due to the fact that the worker needs to spend a certain time to adjust the size of an outer frame of the steel grating when dismounting and mounting the steel grating is avoided.

Description

Technical Field

[0001] The utility model relates to the field of steel grating, in particular to a steel grating with a limiting and positioning structure. Background Technique

[0002] Steel grating is generally also known as grid grating. It is generally made of flat steel arranged crosswise at a certain interval and cross bars (twisted square steel, square steel, round steel, flat steel, etc.), and welded into a steel product with square grids in the middle. Steel grating is mainly used for gutter covers, steel structure platform plates, tread plates of steel ladders, etc. The cross bars generally adopt twisted square steel. Steel grating is generally made of carbon steel and galvanized on the surface, which can play a role in preventing oxidation, or it can also be made of stainless steel. Steel grating has the properties of ventilation, lighting, heat dissipation, anti-skid, explosion-proof, etc.

[0003] However, there are still some deficiencies in the current steel grating. For example, the adjustment steps of the outer frame size of the existing steel grating are relatively cumbersome, resulting in the need for the staff to spend a certain amount of time adjusting the outer frame size of the steel grating when disassembling and installing the steel grating (the size of the existing steel grating is prone to certain deviations in actual installation work) (in order to ensure that the steel grating can be perfectly installed into the reserved groove), thus bringing a certain interference to the disassembly and installation efficiency of the staff, and there are certain use defects.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structural deficiencies, and provides a steel grating with a limiting and positioning structure. Content of the Utility Model

[0005] The purpose of the utility model is to provide a steel grating with a limiting and positioning structure to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A steel grating with a limiting and positioning structure, including an outer frame and a first limiting component. The inner surface of the outer frame is fixedly installed with a metal grid frame, and the inner surface of the outer frame is rotatably connected with a bidirectional lead screw. Moreover, an annular connecting sleeve is fixedly installed on the outer surface of the bidirectional lead screw, and a guiding sliding sleeve is embedded on the inner surface of the outer frame. The first limiting component is movably installed inside the outer frame, and second limiting components are symmetrically installed on the left and right sides of the outer frame, and limiting grooves are symmetrically opened on the outer sides of the left and right sides of the outer frame.

[0007] Furthermore, the first limiting component includes a connecting plate, a guiding rod, a first abutting plate and a connecting mechanism. Guide rods are symmetrically installed on the left and right sides of the top of the connecting plate, and a first abutting plate is fixedly installed at the top of the guiding rod. Moreover, a connecting mechanism is embedded inside the connecting plate, and the inside of the connecting mechanism is movably connected with the side of the bidirectional lead screw.

[0008] Further, the bottom of the guide rod is fixedly connected to the top of the connecting plate, and the top of the guide rod is fixedly connected to the bottom of the first abutting plate, and the first abutting plate and the connecting plate form a fixed structure through the guide rod.

[0009] Further, the second limiting component includes a bearing plate, a return spring, a fixing rod and a second abutting plate. A return spring is fixedly connected to the side of the bearing plate, a fixing rod is fixedly installed on the side of the bearing plate, and a second abutting plate is fixedly connected to the end of the fixing rod.

[0010] Further, the end of the return spring is fixedly connected to the side of the bearing plate, and the other end of the return spring is fixedly connected to the inner surface of the outer frame, and the bearing plate and the outer frame form an elastic structure through the return spring.

[0011] Further, the end of the fixing rod is fixedly connected to the side of the bearing plate, and the other end of the fixing rod is fixedly connected to the side of the second abutting plate, and the second abutting plate and the bearing plate form a fixed structure through the fixing rod.

[0012] Further, the external dimension of the second abutting plate is completely consistent with the internal dimension of the limiting groove, and the second abutting plate and the outer frame form a clamping structure through the limiting groove.

[0013] The utility model provides a steel grating with a limiting and positioning structure, and has the following beneficial effects:

[0014] 1. By providing the annular connecting sleeve, the staff can drive the bidirectional lead screw to rotate inside the outer frame, so that the first limiting components on the upper and lower sides can move synchronously in opposite directions, so as to quickly adjust the width of the steel grating. And by providing the second limiting component, the staff can quickly adjust the length of the steel grating, thus avoiding the situation that the disassembly and assembly efficiency of the staff is interfered because the staff needs to spend a certain amount of time to adjust the size of the outer frame of the steel grating during the disassembly and assembly work of the steel grating.

[0015] 2. By providing the first limiting component and the second limiting component, when the staff installs the steel grating, they can limit and position it in the pre-opened installation groove by adjusting the extending distance of the first limiting component and the second limiting component, so as to ensure that the installed steel grating will not loosen, and it also provides convenience for the staff to disassemble the steel grating later. Description of the Drawings

[0016] Figure 1Front view structural schematic diagram of a steel grating with a limit and positioning structure according to the present utility model;

[0017] Figure 2 A steel grating with a limit and positioning structure according to the present utility model Figure 1 Enlarged schematic diagram of the structure at position A in it;

[0018] Figure 3 Three-dimensional structural schematic diagram of the connecting plate - guide rod of a steel grating with a limit and positioning structure according to the present utility model.

[0019] In the figure: 1, outer frame; 2, metal grid frame; 3, bidirectional lead screw; 4, annular connecting sleeve; 5, guide sliding sleeve; 6, first limit component; 61, connecting plate; 62, guide rod; 63, first abutting plate; 64, connecting mechanism; 7, second limit component; 71, bearing plate; 72, return spring; 73, fixed rod; 74, second abutting plate; 8, limit groove. Specific implementation mode

[0020] The following further describes in detail the implementation mode of the present utility model in conjunction with the drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0021] As Figures 1 - 3 shown, a steel grating with a limit and positioning structure includes an outer frame 1 and a first limit component 6. A metal grid frame 2 is fixedly installed on the inner surface of the outer frame 1, and a bidirectional lead screw 3 is rotatably connected to the inner surface of the outer frame 1. An annular connecting sleeve 4 is fixedly installed on the outer surface of the bidirectional lead screw 3. A guide sliding sleeve 5 is embedded in the inner surface of the outer frame 1. The first limit component 6 is movably installed inside the outer frame 1. The first limit component 6 includes a connecting plate 61, a guide rod 62, a first abutting plate 63 and a connecting mechanism 64. Guide rods 62 are symmetrically installed on the left and right of the top of the connecting plate 61. The bottom of the guide rod 62 is fixedly connected to the top of the connecting plate 61. The top of the guide rod 62 is fixedly connected to the bottom of the first abutting plate 63. The first abutting plate 63 and the connecting plate 61 are configured as a fixed structure through the guide rod 62. When the bidirectional lead screw 3 drives the connecting plate 61 to move, the first abutting plate 63 can move stably synchronously. The top of the guide rod 62 is fixedly installed with the first abutting plate 63. A connecting mechanism 64 is embedded in the connecting plate 61. The inside of the connecting mechanism 64 is movably connected to the side of the bidirectional lead screw 3. Second limit components 7 are symmetrically installed on the left and right sides of the outer frame 1. Limit grooves 8 are symmetrically opened on the outer sides of the left and right sides of the outer frame 1.

[0022] As Figures 1 - 3As shown in the figure, a metal grid frame 2 is fixedly installed on the inner surface of the outer frame 1, and a bidirectional lead screw 3 is rotatably connected to the inner surface of the outer frame 1. An annular connecting sleeve 4 is fixedly installed on the outer surface of the bidirectional lead screw 3. A guiding sliding sleeve 5 is embedded in the inner surface of the outer frame 1. The first limiting component 6 is movably installed inside the outer frame 1. Second limiting components 7 are symmetrically installed on the left and right sides of the outer frame 1. The second limiting component 7 includes a bearing plate 71, a return spring 72, a fixing rod 73, and a second abutting plate 74. A return spring 72 is fixedly connected to the side of the bearing plate 71. The end of the return spring 72 is fixedly connected to the side of the bearing plate 71. The other end of the return spring 72 is fixedly connected to the inner surface of the outer frame 1. The bearing plate 71 and the outer frame 1 form an elastic structure through the return spring 72. By setting the bearing plate 71 and the outer frame 1 into an elastic structure, the second abutting plate 74 can be reset after the outer frame 1 is disassembled. A fixing rod 73 is fixedly installed on the side of the bearing plate 71. The end of the fixing rod 73 is fixedly connected to the side of the bearing plate 71. The other end of the fixing rod 73 is fixedly connected to the side of the second abutting plate 74. The second abutting plate 74 and the bearing plate 71 form a fixed structure through the fixing rod 73. By setting the second abutting plate 74 and the bearing plate 71 into a fixed structure, the second abutting plate 74 can move synchronously with the movement of the bearing plate 71. The end of the fixing rod 73 is fixedly connected to the second abutting plate 74. The outer dimension of the second abutting plate 74 completely matches the inner dimension of the limiting groove 8. The second abutting plate 74 and the outer frame 1 form a clamping structure through the limiting groove 8. By setting the second abutting plate 74 and the outer frame 1 into a clamping structure, the second abutting plate 74 can be completely immersed inside the outer frame 1 when not in use. Limiting grooves 8 are symmetrically opened on the outer sides of the left and right sides of the outer frame 1.

[0023] In summary, for the steel grating with a limiting and positioning structure, first, according to Figures 1 to 3In the structure shown, the staff member grasps the bearing plates 71 on both the left and right sides and pinches them towards the side of the metal grid frame 2. At this time, through the connection of the fixing rod 73, the second abutting plate 74 moves towards the inside of the limiting groove 8. When the second abutting plate 74 is completely immersed in the inside of the limiting groove 8, the staff member installs the steel grating into the pre-opened installation groove. Then, the staff member releases the bearing plate 71, so that the bearing plate 71 moves towards the inner surface of the outer frame 1 by the resilience of the return spring 72, thereby causing the second abutting plate 74 to abut outwards, so as to achieve the purpose of limiting and fixing on both the left and right sides. Then, the staff member grasps the annular connecting sleeve 4 and drives the bidirectional lead screw 3 to rotate inside the outer frame 1 through it. At this time, through the connection of the connecting mechanism 64 and the sliding of the guide rod 62 in the guide sliding sleeve 5, the connecting plates 61 on both the upper and lower sides can move synchronously towards each other. At this time, through the connection of the guide rod 62, the connecting plate 61 drives the first abutting plate 63 to move towards the inner surface of the installation groove, so as to achieve the purpose of further positioning and installation.

[0024] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thus design various embodiments with various modifications suitable for specific purposes.

Claims

1. A steel grating with a limiting and positioning structure, comprising an outer frame (1) and a first limiting component (6), characterized in that: A metal grid frame (2) is fixedly mounted on the inner surface of the outer frame (1), and a bidirectional screw rod (3) is rotatably connected to the inner surface of the outer frame (1), and an annular connecting sleeve (4) is fixedly mounted on the outer surface of the bidirectional screw rod (3), and a guide sleeve (5) is embedded in the inner surface of the outer frame (1), the first limiting component (6) is movably mounted inside the outer frame (1), and a second limiting component (7) is symmetrically mounted on the left and right sides of the outer frame (1), and limiting grooves (8) are symmetrically provided on the outer sides of the left and right sides of the outer frame (1).

2. The steel grating with a limiting and positioning structure according to claim 1 is characterized in that: The first limiting assembly (6) comprises a connecting plate (61), a guide rod (62), a first stop plate (63) and a connecting mechanism (64), and the guide rod (62) is symmetrically installed on the top of the connecting plate (61), and the first stop plate (63) is fixedly installed on the top of the guide rod (62), and the connecting mechanism (64) is embedded in the interior of the connecting plate (61), and the interior of the connecting mechanism (64) is movably connected to the side of the bidirectional screw rod (3).

3. The steel grating with a limiting and positioning structure according to claim 2 is characterized in that: The bottom of the guide rod (62) is fixedly connected to the top of the connecting plate (61), and the top of the guide rod (62) is fixedly connected to the bottom of the first stop plate (63), and the first stop plate (63) forms a fixed structure through the guide rod (62) and the connecting plate (61).

4. The steel grating with a limiting and positioning structure according to claim 1, characterized in that: The second limiting assembly (7) comprises a bearing plate (71), a return spring (72), a fixing rod (73) and a second stop plate (74), wherein the side of the bearing plate (71) is fixedly connected to the return spring (72), the side of the bearing plate (71) is fixedly installed with the fixing rod (73), and the end of the fixing rod (73) is fixedly connected to the second stop plate (74).

5. The steel grating with a limiting and positioning structure according to claim 4, characterized in that: The end of the return spring (72) is fixedly connected to the side of the support plate (71), and the other end of the return spring (72) is fixedly connected to the inner surface of the outer frame (1), and the support plate (71) and the outer frame (1) form an elastic structure through the return spring (72).

6. The steel grating with a limiting and positioning structure according to claim 4, characterized in that: The end of the fixing rod (73) is fixedly connected to the side of the supporting plate (71), and the other end of the fixing rod (73) is fixedly connected to the side of the second abutting plate (74), and the second abutting plate (74) forms a fixed structure with the supporting plate (71) through the fixing rod (73).

7. The steel grating with a limiting and positioning structure according to claim 4, characterized in that: The external dimensions of the second stop plate (74) are completely consistent with the internal dimensions of the limiting groove (8), and the second stop plate (74) forms a snap-fit ​​structure with the outer frame (1) via the limiting groove (8).

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