A protective frame between the platform screen door and the subway door

Abstract

The present invention discloses a protective frame between a subway platform screen door and a subway door, including a door assembly. The door assembly includes a platform screen door. The platform screen door and the subway door are placed in parallel with a gap in the middle. A protective frame assembly is provided in the gap. The protective frame assembly includes an upper connecting rod. A support rod is vertically fixed in the gap. The support rod is hinged to the inner wall of the connection between the lower connecting rod and the upper connecting rod by a hinge spring. The lower connecting rod and the upper connecting rod are rotatably connected by a pin. The lower connecting rod is rotatably connected to the upper telescopic arm by a pin. The upper connecting rod is rotatably connected to the lower telescopic arm by a pin. The middle of the lower telescopic arm and the upper telescopic arm intersects and is rotatably connected by a pin. The extending ends of the lower telescopic arm and the upper telescopic arm are respectively fixed to both ends of a contraction mechanism. Sliders are fixedly connected to the side walls of the extending ends of the lower telescopic arm and the upper telescopic arm. The sliders are slidably connected in a placement groove. Clamping blocks are clamped on both sides of the inner wall of the placement groove. The clamping blocks are fixedly connected to springs, and the springs are fixedly connected to the corresponding side walls of the penetrating placement groove. The placement groove penetrates the side of the platform screen door.

Description

Technical Field

[0001] The present invention relates to the technical field of protective frames, and particularly to a protective frame between a subway screen door and a subway door. Background Art

[0002] A screen door refers to enclosing the space for passengers to get on and off the train on the subway platform in the form of a glass curtain wall. When the train arrives, the electric doors on the glass curtain wall are opened for passengers to get on and off the train. A screen door is to enclose the railway platform and the space for passengers to get on and off the train in the form of a glass curtain wall on the platform. A screen door is installed along the side edge of the subway platform near the track to separate the platform area from the track area. When the train arrives, the electric doors on the glass curtain wall are opened for passengers to get on and off the train. However, there is generally a gap between a general screen door and a subway door, and news reports show that children and people in a hurry to board may squeeze into this gap, which is likely to cause injuries. Summary of the Invention

[0003] The purpose of the present invention is to provide a protective frame between a subway screen door and a subway door to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A protective frame between a subway screen door and a subway door, including a door assembly. The door assembly includes a screen door, a subway door, and a gap. The screen door and the subway door are placed in parallel with a gap in the middle. A protective frame assembly is provided in the gap. The protective frame assembly includes a lower connecting rod, an upper connecting rod, an upper telescopic arm, a contraction mechanism, a lower telescopic arm, a sliding groove, a placement groove, and a clamping block. A support rod is vertically fixed in the gap. The support rod is hinged to the inner wall of the connection between the lower connecting rod and the upper connecting rod by a hinge spring. One end of the lower connecting rod and the upper connecting rod is rotatably connected by a pin. The other end of the lower connecting rod is rotatably connected to the upper telescopic arm by a pin. The other end of the upper connecting rod is rotatably connected to the lower telescopic arm by a pin. The lower telescopic arm and the upper telescopic arm are cross-placed in the middle and rotatably connected by a pin. The extending ends of the lower telescopic arm and the upper telescopic arm are respectively fixed to both ends of the contraction mechanism. Sliding blocks are fixed on the side walls of the extending ends of the lower telescopic arm and the upper telescopic arm. The sliding blocks are slidably connected in the placement groove. Clamping blocks are clamped on both sides of the inner wall of the placement groove. One end of the clamping block is fixed to a spring, and the other end of the spring is fixed to the corresponding side wall of the penetrated placement groove. The placement groove penetrates the side of the screen door.

[0005] Preferably, the contraction mechanism includes an upper telescopic rod and a lower telescopic rod. The upper telescopic rod and the lower telescopic rod are cross-placed and rotatably connected in the middle by a pin, and several telescopic rods are connected end to end and rotatably connected in the middle by a pin to form a contraction mechanism.

[0006] Preferably, thin magnet sheets are fixed on the sides of adjacent upper telescopic rods and lower telescopic rods, and anti-collision strips made of rubber are sleeved on the outer walls of the upper telescopic rod and the lower telescopic rod close to the subway door.

[0007] Preferably, the slider is a cylindrical block with a spherical ball fixedly connected to one end, and the corners are smoothly transitioned with arcs. The placement groove is a cylindrical groove, and anti-collision sheets made of rubber are fixedly connected to both sides of the inner wall.

[0008] Preferably, the clamping block is an arc-shaped block, and a T-shaped block is fixedly connected to the bottom end surface. It is slidably connected in a square groove on the side wall of the placement groove, and an annular anti-sliding block is fixedly connected to the opening of the square groove.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows: When the shielding door is opened and closed during the use of the present invention, the shielding door moves relative to the support rod, causing the protective frame assembly on the support rod to contract or expand. When the shielding door is opened, the shielding door moves to the right relative to the support rod. The upper connecting rod and the lower connecting rod are respectively inclined in directions away from each other, thereby driving the right end of the upper telescopic arm to act upward and to the right, and being affected by the right end of the lower telescopic arm acting downward and to the right, and being restricted by the pin joints crossed in the middle and the placement groove. The contraction mechanism expands towards both ends until it slides past the clamping block and is fixed. The contraction mechanism fills the side of the gap, preventing people or pets from entering. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural diagram of the present invention;

[0011] Figure 2 is a schematic connection diagram of the protective frame assembly and the door assembly in the present invention;

[0012] Figure 3 is a schematic diagram of the protective frame assembly in the present invention;

[0013] Figure 4 is a schematic diagram of the contraction mechanism in the present invention

[0014] Figure 5 is a cross-sectional view of the placement groove in the present invention.

[0015] In the figure: 1 Door assembly, 2 Protective frame assembly, 11 Shielding door, 12 Subway door, 13 Gap, 20 Lower connecting rod, 21 Upper connecting rod, 22 Upper telescopic arm, 23 Contraction mechanism, 24 Lower telescopic arm, 25 Slide groove, 26 Placement groove, 27 Clamping block, 28 Slider, 230 Upper telescopic rod, 231 Lower telescopic rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0017] Please refer to Figures 1-5 , the present invention provides a technical solution: a protective frame between a subway platform screen door and a subway door, including a door assembly 1. The door assembly 1 includes a platform screen door 11, a subway door 12 and a gap 13. The platform screen door 11 and the subway door 12 are placed in parallel with a gap 13 in the middle. A protective frame assembly 2 is provided in the gap 13. The protective frame assembly 2 includes a lower connecting rod 20, an upper connecting rod 21, an upper telescopic arm 22, a contraction mechanism 23, a lower telescopic arm 24, a chute 25, a placement groove 26 and a clamping block 27. A support rod is vertically fixed in the gap 13. The support rod is hinged to the inner wall of the connection between the lower connecting rod 20 and the upper connecting rod 21 by a hinge spring. One end of the lower connecting rod 20 and the upper connecting rod 21 is rotatably connected by a pin. The other end of the lower connecting rod 20 is rotatably connected to the upper telescopic arm 22 by a pin. The other end of the upper connecting rod 21 is rotatably connected to the lower telescopic arm 24 by a pin. The lower telescopic arm 24 and the upper telescopic arm 22 are placed crosswise in the middle and are rotatably connected by a pin. The extending ends of the lower telescopic arm 24 and the upper telescopic arm 22 are respectively fixed to both ends of the contraction mechanism 23. Sliders 28 are fixed to the side walls of the extending ends of the lower telescopic arm 24 and the upper telescopic arm 22. The sliders 28 are slidably connected in the placement groove 26. Clamping blocks 27 are clamped on both sides of the inner wall of the placement groove 26. One end of the clamping block 27 is fixed to a spring, and the other end of the spring is fixed to the corresponding side wall of the penetrating placement groove 26. The placement groove 26 penetrates the side of the platform screen door 11.

[0018] The contraction mechanism 23 includes an upper telescopic rod 230 and a lower telescopic rod 231. The upper telescopic rod 230 and the lower telescopic rod 231 are placed crosswise and are rotatably connected in the middle by a pin. A plurality of telescopic rods are connected end to end and are rotatably connected in the middle by a pin to form the contraction mechanism 23.

[0019] Magnetic sheet flakes are fixed to the sides of adjacent upper telescopic rods 230 and lower telescopic rods 231. Anti-collision strips made of rubber are sleeved on the outer walls of the upper telescopic rod 230 and the lower telescopic rod 231 close to the subway door 12.

[0020] The slider 28 is a cylindrical block with a ball fixed at one end, and the corner is smoothly transitioned with an arc. The placement groove 26 is a cylindrical groove, and anti-collision sheets made of rubber are fixed to both sides of the inner wall.

[0021] The clamping block 27 is an arc-shaped block, and a T-shaped block is fixed to the bottom end surface. It is slidably connected in a square groove on the side wall of the placement groove 26, and an annular anti-sliding block is fixed at the opening of the square groove.

[0022] Working principle: When the shielding door 11 is opened and closed during use, the shielding door 11 moves relative to the support rod, causing the protective frame assembly 2 on the support rod to shrink or expand. When the shielding door 11 is opened, the shielding door 11 moves rightward relative to the support rod. The upper connecting rod 21 and the lower connecting rod 20 are tilted in directions away from each other, thereby driving the right end of the upper telescopic arm 22 to act to the upper right, and the right end of the lower telescopic arm 24 to act to the lower right, and the contraction mechanism 23 is restricted by the middle cross pin transfer and placement slot 26, so that the contraction mechanism 23 opens to both ends until it slides through the block 27 and is fixed, and the contraction mechanism 23 fills the side of the gap 13 to prevent people or pets from entering.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective frame between a subway platform screen door and a subway door, comprising a door assembly (1), characterized in that: The door assembly (1) includes a screen door (11), a subway door (12), and a gap (13). The screen door (11) and the subway door (12) are placed in parallel with a gap (13) in between. A protective frame assembly (2) is provided in the gap (13). The protective frame assembly (2) includes a lower connecting rod (20), an upper connecting rod (21), an upper telescopic arm (22), a contraction mechanism (23), a lower telescopic arm (24), a sliding groove (25), a placement groove (26), and a clamping block (27). A support rod is vertically fixed in the gap (13). The support rod is hinged to the inner wall of the connection between the lower connecting rod (20) and the upper connecting rod (21) by a hinge spring. One end of the lower connecting rod (20) and the upper connecting rod (21) is rotatably connected by a pin. The other end of the lower connecting rod (20) is rotatably connected to the upper telescopic arm (22) by a pin. The other end of the upper connecting rod (21) is rotatably connected to the lower telescopic arm (24) by a pin. The lower telescopic arm (24) and the upper telescopic arm (22) are cross-placed in the middle and rotatably connected by a pin. The extending ends of the lower telescopic arm (24) and the upper telescopic arm (22) are respectively fixed to both ends of the contraction mechanism (23). The side walls of the extending ends of the lower telescopic arm (24) and the upper telescopic arm (22) are fixed with sliders (28). The sliders (28) are slidably connected in the placement groove (26). Clamping blocks (27) are clamped on both sides of the inner wall of the placement groove (26). One end of the clamping block (27) is fixed with a spring, and the other end of the spring is fixed to the corresponding side wall of the penetrated placement groove (26). The placement groove (26) penetrates the side of the screen door (11). The contraction mechanism (23) includes an upper telescopic rod (230) and a lower telescopic rod (231). The upper telescopic rod (230) and the lower telescopic rod (231) are cross-placed and rotatably connected in the middle by a pin. A number of telescopic rods are connected end to end and rotatably connected in the middle by a pin to form the contraction mechanism (23). The slider (28) is a cylindrical block with a sphere fixed at one end, and the corner is smoothly transitioned with an arc. The placement groove (26) is a cylindrical groove, and anti-collision sheets made of rubber are fixed on both sides of the inner wall.

2. The protective frame between the subway platform screen door and the subway door according to claim 1, characterized in that: Magnetic sheet flakes are fixed on the side walls of adjacent upper telescopic rods (230) and lower telescopic rods (231), and anti-collision strips made of rubber are sleeved on the outer walls of the upper telescopic rod (230) and the lower telescopic rod (231) close to the subway door (12).

3. The protective frame between the subway platform screen door and the subway door according to claim 1, wherein: The clamping block (27) is an arc-shaped block, and a T-shaped block is fixed to the bottom end face. It is slidably connected in a square groove on the side wall of the placement groove (26), and an annular anti-sliding block is fixed at the opening of the square groove.

Images