CN218952645U

CN218952645U - Anti-falling device for stairs

Info

Publication number: CN218952645U
Application number: CN202223131942.2U
Authority: CN
Inventors: 赵松杰; 许玲玲; 沈佳琪; 袁科君; 夏为民
Original assignee: Shaoxing New Building Industrialization Research Center; Baoye Group Zhejiang Construction Industry Research Institute Co ltd
Current assignee: Shaoxing New Building Industrialization Research Center; Baoye Group Zhejiang Construction Industry Research Institute Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-02
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a stair anti-falling device which comprises a plurality of rails and a net plate, wherein the rails are sequentially arranged, the net plate is positioned on the outer side surface of the rails, a hinge mechanism is fixedly arranged on the rails, the lower end of the net plate is connected with the hinge mechanism, a telescopic mechanism is fixedly arranged on the rails, the telescopic mechanism is horizontally fixed on the side wall of the rails, one end of the telescopic mechanism, which is far away from the rails, is in sliding connection with the net plate, and the telescopic mechanism is used for pushing the net plate to move so as to change the position of the net plate.

Description

Anti-falling device for stairs

Technical Field

The utility model relates to the field of guardrails, in particular to a stair falling prevention device.

Background

Children are in very good life and are curious about all things around. Stairs in a building are indispensable in daily life and play an important role in both public and residential buildings. However, due to dangerous height differences of stairs, most of stair places where children can reach in life do not have special protective measures for the children, and the children are very easy to fall due to climbing, so that serious consequences such as injury and the like are caused.

At present, some public stairways do not take protective measures for the specific group of children, and mainly target groups designed by adults. Because children's greedy is very easy to climb the common railing, how to make the railing can be better protect the children who greedy, is the important problem at present. In view of the above problems, a solution is proposed below.

Disclosure of Invention

The utility model aims to provide a stair anti-falling device which has the advantages of space saving, reusability, high safety and capability of preventing children from falling.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a stair anti-falling device, includes a plurality of railing and otter board, a plurality of the railing is arranged in proper order, the otter board is located the lateral surface of railing, articulated mechanism has been set firmly on the railing, the lower extreme and the articulated mechanism of otter board are connected, telescopic machanism has set firmly on the railing, telescopic machanism level is fixed on the lateral wall of railing, telescopic machanism keeps away from the one end and otter board sliding connection of railing, telescopic machanism is used for promoting the otter board removal to change the position of otter board.

Preferably, the telescopic mechanism comprises a telescopic rod and a first spring, one end of the telescopic rod is connected to the side wall of the railing, the first spring is located inside the telescopic rod, the telescopic rod comprises a contracted state and an expanded state, the first spring is in a compressed state in the contracted state, and the first spring is in a fully-expanded state in the expanded state.

Preferably, the telescopic mechanism further comprises a connecting rod, a cylindrical clamping block is fixedly arranged at the end part of the connecting rod, a strip-shaped clamping groove is formed in the screen plate, and the cylindrical clamping block is located in the strip-shaped clamping groove and is in sliding connection with the strip-shaped clamping groove.

Preferably, the railing comprises an upper railing and a lower railing, a sliding cavity is formed in the top end of the lower railing, the lower end of the upper railing is located in the sliding cavity and is in sliding connection with the sliding cavity, a second spring is arranged in the sliding cavity and is located at the bottom of the sliding cavity, and the top end of the second spring is connected with the lower end of the upper railing.

Preferably, the telescopic mechanism is fixed on the side wall of the sliding cavity, sliding grooves are formed in the side walls of the sliding cavity and the upper railing, one ends of the telescopic rod and the first spring penetrate through the sliding grooves and are fixedly connected with the inner wall of the sliding cavity, a baffle rod is fixedly arranged at the lower end of the upper railing, in a contracted state, one end of the baffle rod is blocked at the end part of the telescopic rod so that the telescopic rod cannot stretch, and in a stretched state, one end of the baffle rod is separated from the telescopic rod so that the telescopic rod can stretch.

Preferably, the plurality of mesh plates are sequentially arranged, and telescopic mechanisms are arranged on two sides of each mesh plate so as to ensure that the mesh plates stably move.

Preferably, the top of the railing is also provided with a handrail, the upper end and two sides of the handrail are arc-shaped, the lower end face of the handrail is provided with a plurality of plug holes, and the upper end of the railing is positioned in the plug holes and fixedly connected with the plug holes.

Preferably, the hinge mechanism comprises a fixed block and a hinge, the fixed block is fixedly connected with the railing, the hinge is positioned on the upper end face of the fixed block, one side of the hinge extends to the outer side of the fixed block, and the lower end of the screen is fixedly connected with one side of the hinge.

The beneficial effects of the utility model are as follows:

1. when the railing is subjected to pressure of a specific threshold value conducted by the railing, the upper railing moves downwards to trigger the telescopic rod, so that the telescopic rod stretches to a specific position, and the wire mesh plate subjected to elastic force can rotate to a certain position, thereby realizing the protection of falling children.

2. When danger is relieved, an administrator can safely stand on the bench to enable force in the direction of shortening the telescopic rod, when the administrator reaches a designated position, the handrail with the limiting plate is automatically moved upwards under the upward elastic force of the second spring, one end of the baffle rod clamps the front end of the telescopic rod, the whole device is reset, preparation for next protection is made, and the device is repeatedly and efficiently utilized.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

FIG. 2 is a cross-sectional view of an embodiment;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is a block diagram of an embodiment in a contracted state;

fig. 5 is a structural diagram of an extended state of the embodiment.

Reference numerals: 1. railing; 2. a screen plate; 3. a hinge mechanism; 4. a telescoping mechanism; 5. a telescopic rod; 6. a first spring; 7. a connecting rod; 8. a cylindrical clamping block; 9. a strip-shaped clamping groove; 10. an upper rail; 11. a lower railing; 12. a second spring; 13. a gear lever; 14. an armrest; 15. a fixed block; 16. and (5) hinge pages.

Detailed Description

The following description is only of the preferred embodiments of the present utility model, and the scope of the present utility model should not be limited to the examples, but should be construed as falling within the scope of the present utility model. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 5, a stair falling prevention device comprises a plurality of railings 1 and a net plate 2, wherein the railings 1 are sequentially arranged. Each step of stairs is provided with a railing 1, two adjacent railings 1 are provided with a screen plate 2, and a plurality of screen plates 2 are closely attached to each other.

The railing 1 comprises an upper railing 10 and a lower railing 11, a sliding cavity is formed in the top end of the lower railing 11, and the lower end of the upper railing 10 is located in the sliding cavity and is in sliding connection with the sliding cavity. The upper rail 10 and the lower rail 11 cannot be separated and can only slide within a certain range. The sliding cavity is internally provided with a second spring 12, the second spring 12 is positioned at the bottom of the sliding cavity, and the top end of the second spring 12 is connected with the lower end of the upper railing 10. When a downward force is applied, such as a child climbing onto the upper rail 10, the upper rail 10 compresses the second spring 12 and slides downward; when no external force is applied, the second spring 12 will be in an extended state, so that the lower end of the upper rail 10 is located at the uppermost end of the sliding chamber.

The railing 1 is fixedly provided with a telescopic mechanism 4, and the telescopic mechanism 4 comprises a telescopic rod 5 and a first spring 6. Sliding grooves are formed in the side walls of the sliding cavity and the upper railing 10, and one ends of the telescopic rod 5 and the first spring 6 penetrate through the sliding grooves and are fixedly connected with the inner wall of the sliding cavity. The longitudinal length of the chute is slightly longer than the sliding range of the upper rail 10, so that the telescopic rod 5 and the first spring 6 do not influence the up-and-down sliding of the upper rail 10.

One end of the telescopic rod 5 is connected to the side wall of the railing 1, the first spring 6 is located inside the telescopic rod 5, the telescopic rod 5 comprises a contracted state and an expanded state, the first spring 6 is in a compressed state in the contracted state, and the first spring 6 is in a fully expanded state in the expanded state.

A baffle rod 13 is fixedly arranged at the lower end of the upper railing 10, and one end of the baffle rod 13 is blocked at the end part of the telescopic rod 5 when the upper railing 10 is in a contracted state, so that the telescopic rod 5 cannot be stretched; in the extended state, one end of the lever 13 is separated from the telescopic rod 5 to enable the telescopic rod 5 to extend. The baffle rod 13 is L-shaped, and the baffle rod 13 can move synchronously along with the upper rail 10, when no external force is applied, the upper rail 10 is positioned at the uppermost end in the sliding cavity, and at the moment, one end of the baffle rod 13 can resist the end part of the telescopic rod 5 to prevent the telescopic rod 5 from stretching. When the downward external force is applied, the baffle rod 13 slides downwards along with the upper rail 10, so that one end of the baffle rod 13 is separated from the end of the telescopic rod 5, and the telescopic rod 5 at the moment can be converted into an extension state from a contraction state under the action of the elastic force of the first spring 6.

The railing 1 is fixedly provided with a hinge mechanism 3, and the lower end of the screen plate 2 is connected with the hinge mechanism 3. The telescopic link 5 is horizontally fixed on the railing 1, and the other end of the telescopic link 5 is provided with a connecting rod 7, the end part of the connecting rod 7 is fixedly provided with a cylindrical clamping block 8, the screen plate 2 is provided with a strip-shaped clamping groove 9, and the cylindrical clamping block 8 is positioned in the strip-shaped clamping groove 9 and is in sliding connection with the strip-shaped clamping groove 9. When the telescopic rod 5 is converted into an extension state from a contraction state, the telescopic rod 5 can apply thrust to the middle part of the net plate 2, so that the lower end of the net plate 2 rotates around the hinge, the net plate 2 is in an inclined state with a certain angle, a falling child can be caught, and the child is prevented from being injured.

The telescopic mechanisms 4 are arranged on two sides of each screen plate 2, the two telescopic mechanisms 4 can enable the screen plates 2 not to shake when moving, stability of the screen plates 2 is kept, and better supporting capacity of the screen plates 2 can be achieved.

The hinge mechanism 3 comprises a fixed block 15 and a hinge 16, the fixed block 15 is fixedly connected with the railing 1, the hinge 16 is positioned on the upper end face of the fixed block 15, one side of the hinge 16 extends to the outer side of the fixed block 15, and the lower end of the screen 2 is fixedly connected with one side of the hinge 16. The thickness of the fixing block 15 can enable the screen plate 2 to be vertical when the telescopic rod 5 is in a contracted state, so that the screen plate is not easy to be broken by other falling objects and the like.

The top of the railing 1 is also provided with a handrail 14, the upper end and two sides of the handrail 14 are arc-shaped, the lower end face of the handrail 14 is provided with a plurality of plug holes, and the upper end of the railing 1 is positioned in the plug holes and fixedly connected with the plug holes.

The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. The utility model provides a stair anti-falling device, includes a plurality of railing (1) and otter board (2), a serial communication port, a plurality of railing (1) are arranged in proper order, otter board (2) are located the lateral surface of railing (1), articulated mechanism (3) have been set firmly on railing (1), the lower extreme and the articulated mechanism (3) of otter board (2) are connected, telescopic machanism (4) have been set firmly on railing (1), telescopic machanism (4) horizontal fixation is on the lateral wall of railing (1), telescopic machanism (4) keep away from the one end and otter board (2) sliding connection of railing (1), telescopic machanism (4) are used for promoting otter board (2) and remove to change the position of otter board (2).

2. A stair fall protection apparatus according to claim 1, wherein the telescopic mechanism (4) comprises a telescopic rod (5) and a first spring (6), one end of the telescopic rod (5) is connected to a side wall of the railing (1), the first spring (6) is located inside the telescopic rod (5), the telescopic rod (5) comprises a contracted state and an expanded state, the first spring (6) is in a compressed state in the contracted state, and the first spring (6) is in a fully expanded state in the expanded state.

3. The stair anti-falling device according to claim 2, wherein the telescopic mechanism (4) further comprises a connecting rod (7), a cylindrical clamping block (8) is fixedly arranged at the end part of the connecting rod (7), a strip-shaped clamping groove (9) is formed in the net plate (2), and the cylindrical clamping block (8) is located in the strip-shaped clamping groove (9) and is in sliding connection with the strip-shaped clamping groove (9).

4. A stair fall protection device according to claim 3, wherein the rail (1) comprises an upper rail (10) and a lower rail (11), the top end of the lower rail (11) is provided with a sliding cavity, the lower end of the upper rail (10) is positioned in the sliding cavity and is slidably connected with the sliding cavity, a second spring (12) is arranged in the sliding cavity, the second spring (12) is positioned at the bottom of the sliding cavity, and the top end of the second spring (12) is connected with the lower end of the upper rail (10).

5. The stair anti-falling device according to claim 4, wherein the telescopic mechanism (4) is fixed on the side wall of the sliding cavity, sliding grooves are formed in the side walls of the sliding cavity and the upper railing (10), one ends of the telescopic rod (5) and the first spring (6) penetrate through the sliding grooves and are fixedly connected with the inner wall of the sliding cavity, a baffle rod (13) is fixedly arranged at the lower end of the upper railing (10), in the contracted state, one end of the baffle rod (13) is abutted against the end of the telescopic rod (5) so that the telescopic rod (5) cannot stretch, and in the stretched state, one end of the baffle rod (13) is separated from the telescopic rod (5) so that the telescopic rod (5) can stretch.

6. A stair fall protection device according to claim 1, characterized in that a plurality of said mesh panels (2) are arranged in sequence, and that the two sides of each mesh panel (2) are provided with telescopic mechanisms (4) to ensure stable movement of the mesh panels (2).

7. The stair anti-falling device according to claim 1, wherein the top of the railing (1) is further provided with a handrail (14), the upper end and two sides of the handrail (14) are arc-shaped, the lower end face of the handrail (14) is provided with a plurality of inserting holes, and the upper end of the railing (1) is located in the inserting holes and fixedly connected with the inserting holes.

8. A stair fall protection device according to claim 1, wherein the hinge mechanism (3) comprises a fixed block (15) and a hinge (16), the fixed block (15) is fixedly connected with the railing (1), the hinge (16) is located on the upper end face of the fixed block (15), one side of the hinge (16) extends to the outer side of the fixed block (15), and the lower end of the screen (2) is fixedly connected with one side of the hinge (16).