Stair corner guard

Abstract

The utility model relates to stair protection equipment technical field especially stair corner protection device, its technical scheme includes installing on stair body many pairs of oblique parallel oblique rail. The utility model discloses utilize stair body, oblique rail, support vertical pole, first sleeve, second sleeve and telescopic mechanism etc. Structure cooperation, first support vertical pole is fixed on stair body through the chassis and the hexagon bolt, then the second sleeve is set to support vertical pole through first perforation, makes first sleeve connection second sleeve and oblique rail end. The rotation winding bolt makes the release of pull rope, and the reset spring pushes the horizontal support pipe head to stretch out from the second perforation and is connected with first sleeve activity, finally through the tightening bolt on the spiral sleeve base and reinforce each part. Not only avoid the influence firmness of traditional connecting part because of damp rust, increase maintenance difficulty, but also eliminate the risk of protruding node scraping, guarantee construction traffic safety, improve stair corner protection effect.

Description

Technical Field

[0001] This utility model relates to the technical field of stair protection equipment, and in particular to a stair corner protection device. Background Technology

[0002] In building construction, staircases, as an important component of the main structure, are cast in place simultaneously with floor beams, slabs, and columns. After each floor's cast-in-place process is completed, edge protection of the staircase area from top to bottom is a crucial aspect of ensuring construction safety and must be implemented promptly to prevent the risk of falls. The industry commonly uses the traditional method of connecting steel pipes with fasteners for staircase edge protection, but this method has significant drawbacks: metal fasteners are constantly exposed to the humid environment of the construction site, easily rusting and becoming dirty, affecting connection strength and increasing the difficulty of later maintenance and cleaning; during construction, staircases experience high traffic, and the lack of protection at protruding fastener joints means workers' clothing and limbs are easily scratched or bumped when passing through or carrying materials, causing clothing damage or skin abrasions, posing a safety hazard. Utility Model Content

[0003] The purpose of this utility model is to address the problems existing in the background technology by proposing a stair corner protection device.

[0004] The technical solution of this utility model is as follows: A stair corner protection device includes multiple pairs of inclined and parallel railings installed on the stair body, and further includes: a support post fixedly connected to the stair body, on which a pair of second sleeves arranged in a linear pattern and corresponding to the ends of the inclined railings are sleeved, the ends of the second sleeves and the inclined railings are connected through a first sleeve, and both the second sleeve and the first sleeve are provided with a fixing mechanism; a pair of horizontal branch pipe heads are telescopically disposed in the second sleeves and corresponding to the first sleeves, the end of the horizontal branch pipe head away from the second sleeve is movably inserted into the first sleeve, and the second sleeve is provided with a telescopic mechanism inside.

[0005] Optionally, the fixing mechanism includes a plurality of spiral sleeve seats fixedly connected to the first sleeve and the second sleeve, each spiral sleeve seat being spirally connected with a tightening bolt, one end of which spirally passes through the first sleeve and the second sleeve.

[0006] Optionally, the telescopic mechanism includes a spiral bolt connected to a spiral sleeve. The second sleeve has a second through hole. A horizontal branch pipe head is slidably fitted inside both ends of the second through hole. A pair of support ring plates located on both sides of the spiral bolt are fixedly connected inside the second through hole. A return spring is provided at the end of the support ring plate and the end of the horizontal branch pipe head. One end of the return spring is fixedly connected to the support ring plate, and the other end of the return spring is fixedly connected to the end of the horizontal branch pipe head. A pair of pull ropes are fixedly connected to one end of the spiral bolt inserted into the second through hole. The end of the pull rope away from the spiral bolt moves through the support ring plate and is fixedly connected to the corresponding end of the horizontal branch pipe head.

[0007] Optionally, the second sleeve is also provided with a first through hole that can be movably connected to the support column.

[0008] Optionally, the bottom end of the support pole is fixedly connected to a base placed on the staircase body.

[0009] Optionally, the chassis has multiple mounting holes arranged in a circular array, and each mounting hole is equipped with a hexagonal bolt.

[0010] Optionally, the pair of horizontal branch pipe heads, return springs, pull ropes, and support ring plates are all symmetrically arranged at the ends of the winding bolts.

[0011] In summary, this application includes at least one of the following beneficial technical effects: This utility model utilizes a structure consisting of a staircase body, an inclined railing, supporting uprights, a first sleeve, a second sleeve, and a telescopic mechanism. First, the supporting uprights are fixed to the staircase body via a base and hexagonal bolts. Then, the second sleeve is fitted onto the supporting upright through a first through-hole, connecting the first sleeve to the end of the inclined railing. Rotating the winding bolt releases the pull rope, and a return spring pushes the horizontal branch pipe head out through the second through-hole and movably engages with the first sleeve. Finally, the tightening bolts on the spiral sleeve seat reinforce all components. This design not only avoids the impact of moisture and rust on the stability of traditional connecting parts, reducing maintenance difficulty, but also eliminates the risk of scratches at protruding joints, ensuring safe passage during construction, and improving the protection of staircase corners. Attached Figure Description

[0012] Figure 1 A structural schematic diagram of a stair corner protection device according to this utility model is provided; Figure 2 for Figure 1 A partial diagram of the split structure; Figure 3 for Figure 2 A partial cross-sectional structural diagram.

[0013] Attached reference numerals: 1. Staircase body; 2. Inclined railing; 3. Supporting upright; 31. Base plate; 32. Hex bolt; 4. First sleeve; 5. Second sleeve; 51. First through hole; 52. Second through hole; 53. Return spring; 54. Pull rope; 55. Support ring plate; 6. Horizontal branch pipe head; 7. Spiral sleeve; 8. Tightening bolt; 9. Winding bolt. Detailed Implementation

[0014] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0015] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0016] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0018] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example

[0020] like Figures 1 to 3 As shown, this utility model proposes a stair corner protection device, including multiple pairs of inclined parallel railings 2 installed on the stair body 1. The inclined railings 2 are one of the core protective structures for stair corner protection, directly forming a protective barrier for the edge of the staircase and preventing people from falling. Supporting uprights 3 are fixedly connected to the stair body 1. The supporting uprights 3 provide support for the second sleeve 5 and the inclined railings 2, and are key load-bearing components connecting the stair body 1 and the protective structure. A base plate 31 is fixedly connected to the bottom end of the supporting uprights 3, which is placed on the stair body 1. The base plate 31 is used to increase the contact area between the supporting uprights 3 and the stair body 1, improve the stability of the supporting uprights 3 installed on the stair body 1, and prevent the supporting uprights 3 from tilting. Multiple mounting holes are arranged in a circumferential array on the base plate 31. Hexagonal bolts 32 are installed inside each mounting hole, which firmly connect the base plate 31 to the stair body 1, thereby fixing the supporting uprights 3 on the stair body 1 and preventing the supporting uprights 3 from shifting. A pair of second sleeves 5, arranged linearly and corresponding to the ends of the inclined railing 2, are fitted onto the support pole 3. The second sleeves 5 serve as a connection point for the first sleeve 4 and also house a telescopic mechanism, making them crucial intermediate components connecting the support pole 3 and the inclined railing 2. The ends of the second sleeves 5 and the inclined railing 2 are connected via the first sleeves 4. The second sleeves 5 contain a pair of horizontal branch pipe heads 6 corresponding to the first sleeves 4. These horizontal branch pipe heads 6, through their cooperation with the first sleeves 4, enhance the stability of the connection between the first sleeves 4 and the second sleeves 5, forming a complete protective connection. The end of the horizontal branch pipe head 6 furthest from the second sleeve 5 is movably inserted into the first sleeve 4.

[0021] Among them, such as Figures 1 to 3As shown, both the second sleeve 5 and the first sleeve 4 are equipped with fixing mechanisms. These mechanisms include multiple spiral sleeve seats 7 fixedly connected to the first sleeve 4 and the second sleeve 5. The spiral sleeve seats 7 provide a base for the spiral connection of the tightening bolts 8 and the winding bolts 9, ensuring stable assembly and proper functioning of the tightening bolts 8 and the winding bolts 9. Each spiral sleeve seat 7 is spirally connected to a tightening bolt 8. The tightening bolts 8 are tightened by rotation to press against corresponding components (such as the support post 3, the inclined railing 2, and the horizontal branch pipe head 6), thus achieving a secure fixation between the first sleeve 4 and the inclined railing 2, the second sleeve 5 and the support post 3, and the horizontal branch pipe head 6 and the first sleeve 4. One end of the tightening bolt 8 spirally passes through the first sleeve 4 and the second sleeve 5. The second sleeve 5 also has a first through hole 51 that movably engages with the support post 3. The first through hole 51 provides a channel for the second sleeve 5 to be fitted and installed, allowing the second sleeve 5 to be stably assembled onto the support post 3. The horizontal branch pipe head 6, the second sleeve 5, and the first sleeve 4 are all made of PVC pipe, which has the characteristics of low cost, good toughness, corrosion resistance, and easy processing.

[0022] In addition, such as Figure 2 and Figure 3As shown, the second sleeve 5 has a telescopic mechanism inside, which includes a winding bolt 9 spirally connected to the spiral sleeve 7. One end of the winding bolt 9 is inserted into the second through hole 52 to fix the pull rope 54. By rotating, the pull rope 54 can be wound or released, thereby controlling the extension and retraction of the horizontal branch pipe head 6 in the second through hole 52. When the horizontal branch pipe head 6 retracts into the second through hole 52, it can reserve sufficient space for the docking of the two ends of the second through hole 52 with the first sleeve 4, which is convenient for subsequent precise docking. If the horizontal branch pipe head 6 protrudes and is fixed directly at both ends of the second through hole 52, the inclined railing 2 will not be able to be flexibly adjusted due to the fixed connection position, which will cause inconvenience to the subsequent docking operation with the first sleeve 4. The second sleeve 5 has a second through hole 52, which provides space for the horizontal branch pipe head 6 to slide and extend, and at the same time accommodates the return spring 53, support ring plate 55 and other telescopic mechanism components, and is the mounting carrier of the telescopic mechanism. Both ends of the second perforation 52 are fitted with sliding horizontal branch pipe heads 6. These horizontal branch pipe heads 6, through their cooperation with the first sleeve 4, enhance the stability of the connection between the first sleeve 4 and the second sleeve 5, forming a complete protective connection. A pair of support ring plates 55 are fixedly connected inside the second perforation 52, located on both sides of the winding bolt 9. The support ring plates 55 provide a fixed support point for the return spring 53 and also guide the pull rope 54, preventing it from deviating. Both the support ring plates 55 and the ends of the horizontal branch pipe heads 6 are equipped with return springs 53. The return springs 53 provide thrust through their own elastic deformation, pushing the horizontal branch pipe head 6 out of the second perforation 52 and into the first sleeve 4, thus achieving the docking of the horizontal branch pipe head 6 with the first sleeve 4. One end of the return spring 53 is fixedly connected to the support ring plate 55, and the other end of the return spring 53 is fixedly connected to the end of the horizontal branch pipe head 6. A pair of pull ropes 54 are fixedly connected to one end of the winding bolt 9 inserted into the second through hole 52. The pull ropes 54 are pulled when the winding bolt 9 rotates, thereby causing the horizontal branch pipe head 6 to retract back into the second through hole 52, facilitating adjustment of the position of the horizontal branch pipe head 6. The pull ropes 54 are made of nylon. After the pull ropes 54 are released, the end of the horizontal branch pipe head 6 will still be inside the second through hole 52 and will not completely detach. The end of the pull rope 54 away from the winding bolt 9 moves through the support ring plate 55 and is fixedly connected to the corresponding end of the horizontal branch pipe head 6. A pair of horizontal branch pipe heads 6, the return spring 53, the pull ropes 54, and the support ring plate 55 are all symmetrically arranged with respect to the position of the end of the winding bolt 9.

[0023] In this embodiment, when using the stair corner protection device, firstly, the base plate 31 at the bottom of the support post 3 is fitted against the stair body 1, and hexagonal bolts 32 are inserted through the mounting holes on the base plate 31 to fix the support post 3 to the stair body 1. Then, the second sleeve 5 is fitted onto the support post 3 through the first through hole 51, aligning the second sleeve 5 with the end of the inclined railing 2. Then, by rotating the tightening bolts 8 of the corresponding spiral sleeve seats 7 on the first sleeve 4 and the second sleeve 5, the first sleeve 4 is fixed to the end of the inclined railing 2, and the second sleeve 5 is fixed to the end of the support post 3.

[0024] Then, align the end of the horizontal branch pipe head 6 on the second sleeve 5 with the end of the first sleeve 4 furthest from the inclined railing 2. Next, rotate the winding bolt 9, causing one end of it to extend into the second through hole 52 to rotate, thus disengaging the pull rope 54 from the end of the winding bolt 9. At this point, the horizontal branch pipe head 6, through the elastic thrust of the return spring 53, disengages from the second through hole 52 and inserts into the end of the first sleeve 4 furthest from the inclined railing 2, achieving precise alignment between the ends of the second sleeve 5 and the first sleeve 4. Finally, rotate the tightening bolt 8 on the end of the first sleeve 4 furthest from the inclined railing 2, causing the end of the tightening bolt 8 to press tightly against the outer wall of the horizontal branch pipe head 6, thereby fixing the horizontal branch pipe head 6 to the end of the first sleeve 4. This achieves the connection and fixation between the inclined railing 2, the support post 3, the first sleeve 4, the second sleeve 5, and the horizontal branch pipe head 6. The entire device, supported by the support post 3, forms a stable stair corner protection structure, avoiding the scratching and rusting problems caused by exposed traditional fasteners, and improving construction and passage safety.

[0025] The preferred embodiments of this utility model described above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A stair corner protection device, comprising multiple pairs of inclined parallel railings (2) installed on the stair body (1), characterized in that, Also includes: A support post (3) is fixedly connected to the stair body (1). A pair of second sleeves (5) arranged in a linear pattern and corresponding to the end of the inclined railing (2) are sleeved on the support post (3). The end of the second sleeve (5) and the inclined railing (2) are connected by a first sleeve (4). Both the second sleeve (5) and the first sleeve (4) are provided with a fixing mechanism. A pair of horizontal branch pipe heads (6) are telescopically disposed inside the second sleeve (5) and correspond to the first sleeve (4). The end of the horizontal branch pipe head (6) away from the second sleeve (5) is movably inserted into the first sleeve (4). The second sleeve (5) is provided with a telescopic mechanism inside.

2. A stair corner protection device according to claim 1, characterized in that, The fixing mechanism includes multiple spiral sleeves (7) fixedly connected to the first sleeve (4) and the second sleeve (5). Each spiral sleeve (7) is spirally connected with a tightening bolt (8), and one end of the tightening bolt (8) spirally passes through the first sleeve (4) and the second sleeve (5).

3. A stair corner protection device according to claim 1, characterized in that, The telescopic mechanism includes a spiral bolt (9) spirally connected in a spiral sleeve (7). A second through hole (52) is provided on the second sleeve (5). A horizontal branch pipe head (6) is slidably sleeved inside both ends of the second through hole (52). A pair of support ring plates (55) located on both sides of the spiral bolt (9) are fixedly connected inside the second through hole (52). A return spring (53) is provided at the end of the support ring plate (55) and the end of the horizontal branch pipe head (6). One end of the return spring (53) is fixedly connected to the support ring plate (55), and the other end of the return spring (53) is fixedly connected to the end of the horizontal branch pipe head (6). A pair of pull ropes (54) are fixedly connected at one end of the spiral bolt (9) inserted into the second through hole (52). The end of the pull rope (54) away from the spiral bolt (9) moves through the support ring plate (55) and is fixedly connected to the end of the corresponding horizontal branch pipe head (6).

4. A stair corner protection device according to claim 3, characterized in that, The second sleeve (5) is also provided with a first through hole (51) that is movably connected to the support rod (3).

5. A stair corner protection device according to claim 1, characterized in that, The bottom end of the support pole (3) is fixedly connected to the base plate (31) placed on the stair body (1).

6. A stair corner protection device according to claim 5, characterized in that, The chassis (31) has multiple mounting holes arranged in a circular array, and each mounting hole is equipped with a hexagonal bolt (32).

7. A stair corner protection device according to claim 3, characterized in that, The pair of horizontal branch pipe heads (6), reset springs (53), pull ropes (54) and support ring plates (55) are all symmetrically arranged at the end positions of the winding bolts (9).

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