Corner protection device of stair step

Abstract

The utility model belongs to the field of stair protection devices, and particularly relates to a corner protection device for stair steps, which comprises a stair main body, a mounting hole is formed in the surface of the stair main body, an embedded sleeve is fixedly embedded in the mounting hole, and a bolt is in threaded fit with the interior of the embedded sleeve; the internal corner protection strip, the external corner protection strip and the cover plate are installed on the surface of the stair body in a clamped mode, a lantern ring and a clamping ring are located over an embedded sleeve at the same time and fixed through bolts, the stair body is protected, meanwhile, through anti-slip strips distributed on the surface of the external corner protection strip at equal intervals, the roughness degree of the installation surface is increased, and the service life of the stair is prolonged. And secondly, through the structural design that the clamping column is T-shaped, the shape of the portion, close to the lower portion, of the penetrating hole is matched with the shape of the top of the clamping column, the shape of the portion, close to the upper portion, of the penetrating hole is matched with the shape of the bottom of the clamping column, after the mounting plate is clamped to the surface of the clamping column, the mounting plate is pressed downwards, the mounting plate is fixed, and the overall stability of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the field of stair protection devices, in particular to a corner protection device for stair treads. Background Art

[0002] Cast-in-place reinforced concrete stairs refer to stairs that are cast on-site with staircases, platforms and platform beams as a whole. They have good integrity and strong earthquake resistance. They are divided into plate-type stairs and beam-type stairs according to their different structures. During the drying period after the concrete staircase is poured, the stairs need to be protected, so the corner protection device of the stair treads is needed.

[0003] The existing corner protection devices for stair treads are not easy to achieve effective protection effects, the structure between the protection parts is not strong enough, and the anti-slip measures on the surface of the device may not be ideal, resulting in low safety and stability when using the device.

[0004] Therefore, in view of the above problems, a corner protection device for stair treads is proposed. Utility Model Content

[0005] In order to remedy the problems in the prior art, the utility model proposes a corner protection device for stair treads.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a corner protection device for stair treads described in the utility model includes a stair main body, a mounting hole is opened on the surface of the stair main body, an embedded sleeve is fixedly embedded inside the mounting hole, the internal thread of the embedded sleeve is matched with a bolt, a female corner protection strip is clamped and installed on the surface of the stair main body, a male corner protection strip is clamped and installed on the surface of the stair main body, support plates are fixedly connected to the upper side of the male corner protection strip near both sides, a clamping column is fixedly connected to the inner side of the support plate near the upper side, and the mounting plate is clamped and installed on the surface of the clamping column.

[0007] Preferably, the surface of the internal corner guard strip and the surface of the external corner guard strip are both fixedly connected with a collar, bolts are provided penetrating the interior of the collar, and the embedded sleeve is fixedly connected to the collar by the bolts.

[0008] Preferably, a plurality of anti-slip strips are evenly distributed on the surface of the external corner bead, and the size of the anti-slip strips corresponds to that of the external corner bead.

[0009] Preferably, a cover plate is mounted in the middle of the inner corner guard strip and the outer corner guard strip, and the four corners of the cover plate are fixedly connected with clamping rings, which are sleeved on the surface of the bolt.

[0010] Preferably, a through hole is formed on the surface of the mounting plate, and the inside of the through hole is slidably connected to the surface of the clamping column.

[0011] Preferably, the top view of the clamping column is T-shaped, and the surface of the stair body is tightly fitted with the bottom surface of the cover plate.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model installs the inner corner bead, the outer corner bead and the cover plate on the surface of the stair main body by clamping, so that the collar and the clamp are simultaneously located just above the embedded sleeve and fixed by bolts, which has a protective effect on the stair main body. At the same time, the anti-slip strips evenly distributed on the surface of the outer corner bead increase the roughness of the surface and improve the safety of the device;

[0014] 2. The utility model adopts a structural design in which the column is T-shaped, and the shape of the perforation near the bottom is matched with the shape of the top of the column, and the shape of the perforation near the top is matched with the shape of the bottom of the column. When the mounting plate is engaged with the surface of the column, it is pressed downward to fix the mounting plate, thereby further improving the overall stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic diagram of the internal corner protection strip structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the external corner guard bar of the utility model;

[0018] Figure 3 This is a schematic diagram of the mounting plate structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the cover structure of the utility model.

[0020] In the figure: 1. Stair body; 2. Installation hole; 3. Embedded sleeve; 4. Bolt; 5. Ring; 6. Internal corner guard strip; 7. External corner guard strip; 8. Anti-slip strip; 9. Cover plate; 91. Clamp; 10. Support plate; 11. Clamp column; 12. Installation plate; 13. Perforation. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 As shown, a corner protection device for stair treads comprises a stair main body 1, a mounting hole 2 is opened on the surface of the stair main body 1, an embedded sleeve 3 is fixedly embedded inside the mounting hole 2, a bolt 4 is matched with the internal thread of the embedded sleeve 3, a female corner bead 6 is clamped and installed on the surface of the stair main body 1, a male corner bead 7 is clamped and installed on the surface of the stair main body 1, a support plate 10 is fixedly connected to the upper side of the male corner bead 7 near both sides, a clamping column 11 is fixedly connected to the inner side of the support plate 10 near the upper side, and a mounting plate 12 is clamped and installed on the surface of the clamping column 11;

[0023] Furthermore, the surface of the inner corner bead 6 and the surface of the outer corner bead 7 are both fixedly connected with a collar 5, a bolt 4 is provided through the collar 5, and the embedded sleeve 3 is fixedly connected with the collar 5 through the bolt 4;

[0024] During operation, the embedded sleeve 3 and the collar 5 are connected by bolts 4 to fix the inner corner bead 6 and the outer corner bead 7, thereby improving the stability of the device.

[0025] Furthermore, a plurality of anti-slip strips 8 are evenly distributed on the surface of the external corner bead 7, and the size of the anti-slip strips 8 corresponds to that of the external corner bead 7;

[0026] When working, a number of anti-skid strips 8 are evenly distributed on the surface of the external corner guard strip 7, and a number of anti-skid strips 8 are evenly distributed on the surface of the external corner guard strip 7, so that the anti-skid strips 8 are evenly covered on the surface of the external corner guard strip 7, thereby improving the safety of the device when in use.

[0027] Furthermore, a cover plate 9 is mounted between the inner corner bead 6 and the outer corner bead 7, and the four corners of the cover plate 9 are fixedly connected with a clamping ring 91, which is sleeved on the surface of the bolt 4;

[0028] During operation, the cover plate 9 is fixedly installed between the inner corner bead 6 and the outer corner bead 7 through the structural design that the clamping ring 91 is sleeved on the surface of the bolt 4, thereby improving the stability of the device during installation.

[0029] Furthermore, a through hole 13 is formed on the surface of the mounting plate 12, and the inside of the through hole 13 is slidably connected to the surface of the clamping column 11;

[0030] During operation, the mounting plate 12 can be slidably assembled and disassembled by sliding the inside of the through hole 13 to connect the surface of the clamping column 11 , which has a simple structure and is easy to operate.

[0031] Furthermore, the top view of the clamping column 11 is T-shaped, and the surface of the staircase body 1 is closely fitted with the bottom surface of the cover plate 9;

[0032] During operation, the T-shaped structural design of the clamping column 11 enables the mounting plate 12 to be engaged, thereby improving the stability of the device during installation.

[0033] Working principle: first, a mounting hole 2 is opened on the surface of the stair body 1, and the embedded sleeve 3 is fixedly installed in the mounting hole 2. At this time, the inner corner guard strip 6 and the outer corner guard strip 7 are respectively installed at the inner corner and the outer corner of the stair body 1, and the cover plate 9 is installed between the inner corner guard strip 6 and the outer corner guard strip 7 at the same horizontal height. At this time, the collar 5 and the clamping ring 91 are simultaneously located directly above the embedded sleeve 3, and the inner corner guard strip 6 and the outer corner guard strip 7 are fixed by installing the bolt 4 in the embedded sleeve 3, so that the side perforation 13 of the mounting plate 12 is engaged with the surface of the card column 11. Since the card column 11 is T-shaped, and the shape of the perforation 13 near the bottom is matched with the top shape of the card column 11, and the shape of the perforation 13 near the top is matched with the bottom shape of the card column 11, when the mounting plate 12 is engaged with the surface of the card column 11, it is pressed downward to fix the mounting plate 12.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A stair tread corner protection device, comprising a stair main body (1), characterized in that: The surface of the staircase main body (1) is provided with a mounting hole (2), an embedded sleeve (3) is fixedly embedded inside the mounting hole (2), and the internal thread of the embedded sleeve (3) is matched with a bolt (4), the surface of the staircase main body (1) is clamped and installed with a female corner bead (6), the surface of the staircase main body (1) is clamped and installed with a male corner bead (7), the upper part of the male corner bead (7) is fixedly connected to a support plate (10) near both sides, the inner side of the support plate (10) is fixedly connected to a clamping column (11) near the upper part, and the surface of the clamping column (11) is clamped and installed with a mounting plate (12).

2. The corner protection device for stair treads according to claim 1, characterized in that: The surface of the inner corner bead (6) and the surface of the outer corner bead (7) are both fixedly connected with a collar (5), a bolt (4) is provided through the interior of the collar (5), and the embedded sleeve (3) is fixedly connected to the collar (5) via the bolt (4).

3. The corner protection device for stair treads according to claim 1, characterized in that: A plurality of anti-slip strips (8) are distributed at equal distances on the surface of the external corner bead (7), and the size of the anti-slip strips (8) corresponds to that of the external corner bead (7).

4. The corner protection device for stair treads according to claim 1, characterized in that: A cover plate (9) is mounted between the inner corner bead (6) and the outer corner bead (7), and the four corners of the cover plate (9) are fixedly connected with snap rings (91), which are sleeved on the surface of the bolt (4).

5. The corner protection device for stair treads according to claim 1, characterized in that: A through hole (13) is provided on the surface of the mounting plate (12), and the interior of the through hole (13) is slidably connected to the surface of the clamping column (11).

6. The corner protection device for stair treads according to claim 1, characterized in that: The clamping column (11) is T-shaped in a top view, and the surface of the staircase body (1) is tightly fitted with the bottom surface of the cover plate (9).

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