A safe stair rapid descending device

Abstract

The present application relates to the technical field of stair descending device, especially to a safe stair fast descending device. The present application provides a safe stair fast descending device which can realize fast moving and escaping. The safe stair fast descending device comprises a base plate, friction rings, an upper rail mechanism and a lower rail mechanism. The upper and lower parts of the base plate are uniformly and spacedly connected with a plurality of friction rings. The friction rings in the upper part are connected with the upper rail mechanism, and the friction rings in the lower part are connected with the lower rail mechanism. The present application can select the fixed hand grab bars on the upper and lower sides according to the height, and then the feet are placed between the sliding seat and the fixed foot belt. Then the user can be supported and slide down. When the user is short, the height of the foot rail can be adjusted by controlling the rotation of the lead screw. During the sliding process, the user can control the fixed hand grab bars and pull them to the front side, so that the friction seat no longer contacts with the rail, thereby realizing fast descending.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of stair descending device, and particularly relates to a safe stair fast descending device. BACKGROUND

[0002] The safe stair generally refers to a safe exit stairway, which is specially used for personnel safety evacuation. The safe stair is generally connected with an outdoor safety area or a safety area such as an evacuation corridor and an evacuation layer in a building, and has important significance in the safety technical field. However, when a fire or other accidents occur, the survival rate of people often depends on the escape speed. The normal safe stair needs people to move down step by step, and too fast movement is easy to fall down, thereby causing a trampling event, and too slow movement will lead to failure of escape.

[0003] Therefore, it is necessary to design a safe stair fast descending device capable of realizing fast movement and escape. SUMMARY

[0004] In order to overcome the shortcomings that the safe stair needs people to move down step by step, too fast movement is easy to fall down, thereby causing a trampling event, and too slow movement will lead to failure of escape, the present application provides a safe stair fast descending device capable of realizing fast movement and escape.

[0005] A safe stair fast descending device comprises a base plate, friction rings, an upper rail mechanism and a lower rail mechanism. The upper and lower parts of the base plate are uniformly and spacedly connected with a plurality of friction rings. The upper friction rings are connected with the upper rail mechanism, and the lower friction rings are connected with the lower rail mechanism. The user is fixed and fast descending is realized by controlling the upper rail mechanism and the lower rail mechanism.

[0006] In addition, it is particularly preferred that the safe stair fast descending device further comprises a cover and a clamping lever. The front side of the base plate is rotatably connected with the cover, and the upper front side of the base plate is slidably connected with the clamping lever. The clamping lever is used for limiting the cover.

[0007] In addition, it is particularly preferred that the upper rail mechanism comprises a through frame, a ball joint, a rail, a handrail seat, a friction seat and a hand holding rod. The upper friction rings are connected with the through frames. The upper and lower sides of the through frame are rotatably connected with the ball joint. The ball joints on the same side are rotatably connected with the rail. The rail is slidably connected with the left and right handrail seats. The handrail seat is rotatably connected with the friction seat. The friction seat is in contact with the adjacent rail. The friction seat is connected with the hand holding rod. The initial friction seat is in contact with the rail, so that the handrail seat cannot slide. The user holds the hand holding rod and pulls it to the front side, so that the friction seat rotates and is no longer in contact with the rail, so that the handrail seat slides along the rail.

[0008] In addition, particularly preferably, the lower rail mechanism comprises triangular columns, lead screws, foot rails, foot bases, sliding bases and foot fixing belts, the front sides of the lower friction rings are connected with the triangular columns, the rear upper sides of the triangular columns are rotatably connected with the lead screws, the upper sides of the triangular columns are slidably connected with the foot rails, the foot rails are connected with the lead screws through threads, the foot rails are slidably connected with the left and right foot bases, the upper sides of the foot bases are connected with the sliding bases, and the sliding bases are connected with the foot fixing belts.

[0009] In addition, particularly preferably, the distance adjusting mechanism comprises servo motors, guide frames, gears, racks and connecting sleeves, the upper part of the base plate is provided with a plurality of servo motors, the rear upper part of the base plate is connected with a plurality of guide frames, the output shafts of the servo motors are connected with the gears through the base plate, the gears are connected with the racks, the racks are slidably connected with the adjacent guide frames, the triangular columns are connected with the connecting sleeves, the connecting sleeves are slidably connected with the racks through elastic members, and the racks are meshed with the adjacent gears.

[0010] In addition, particularly preferably, the distance adjusting mechanism comprises servo motors, guide frames, gears, racks and connecting sleeves, the upper part of the base plate is provided with a plurality of servo motors, the rear upper part of the base plate is connected with a plurality of guide frames, the output shafts of the servo motors are connected with the gears through the base plate, the gears are connected with the racks, the racks are slidably connected with the adjacent guide frames, the triangular columns are connected with the connecting sleeves, the connecting sleeves are slidably connected with the racks through elastic members, and the racks are meshed with the adjacent gears.

[0011] In addition, particularly preferably, the cleaning mechanism comprises driving motors, middle shafts and brushes, a plurality of driving motors are uniformly and interval installed on the rear part of the foot rail, the output shafts of the driving motors are connected with the middle shafts, and the middle shafts are connected with the brushes.

[0012] In addition, particularly preferably, the cooling mechanism comprises mounting seats, cooling pipes and spray heads, a plurality of mounting seats are connected with the front and rear parts of the base plate, the mounting seats on the front side and the rear side are connected with the cooling pipes, and the cooling pipes are connected with a plurality of spray heads.

[0013] The application has the following advantages:

[0014] 1. The application can select the fixed hand holding rods on the upper and lower sides according to the height, then the feet are placed between the sliding bases and the foot fixing belts, and then the user can be supported and slid down, when the user is short, the lead screw can be controlled to rotate, so that the height of the foot rail is adjusted, in the sliding process, the user can control the fixed hand holding rods and pull them to the front side, so that the friction seat is rotated and no longer in contact with the rail, and then rapid descending is achieved.

[0015] 2、The control servo motor operation, will drive the gear rotation, and then through the gear and rack mesh, so that the frame and the triangular column to the side of the opposite or away, and then achieve the effect of adjusting the distance, convenient for different height personnel using.

[0016] 3、The application through the control cylinder operation drive step lever movement, so that the step lever and step surface contact, so that the step lever can play a supporting role to the triangular column, thereby improving the stability and weighing capacity of the device.

[0017] 4、The application starts the driving motor, which will drive the shaft to rotate, and then drive the brush to rotate, which can effectively clean the foot rail and avoid the presence of foreign matter in the foot rail affecting the use of the user.

[0018] 5、The application can inject water into the cooling pipe to cool the substrate when a fire occurs, and the nozzle can also be opened to avoid the substrate from being burned while ensuring normal use of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the application.

[0020] Figure 2 It is a schematic diagram of the structure of the application.

[0021] Figure 3 It is a schematic diagram of part of the three-dimensional structure of the application.

[0022] Figure 4 It is a schematic diagram of the front end of the upper rail mechanism.

[0023] Figure 5 It is a schematic diagram of the rear end of the upper rail mechanism.

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the lower rail mechanism.

[0025] Figure 7 It is a schematic diagram of part of the three-dimensional structure of the lower rail mechanism.

[0026] Figure 8 It is a schematic diagram of the three-dimensional structure of the lower rail mechanism.

[0027] Figure 9 It is a schematic diagram of the three-dimensional structure of the distance adjusting mechanism.

[0028] Figure 10 It is a schematic diagram of the three-dimensional structure of the step raising mechanism.

[0029] Figure 11This is a three-dimensional cross-sectional view of the cleaning mechanism of the present invention.

[0030] Figure 12 This is a three-dimensional structural diagram of the cooling mechanism of the present invention.

[0031] In the diagram: 1. Base plate, 2. Friction ring, 3. Outer cover, 4. Clamping bar, 5. Upper rail mechanism, 51. Frame, 52. Ball joint, 53. Rail rail, 54. Handrail seat, 55. Friction seat, 56. Fixed hand grip bar, 6. Adjustment mechanism, 60. Servo motor, 61. Guide frame, 62. Gear, 63. Rack, 64. Connecting sleeve, 7. Lower rail mechanism, 71. Triangular column, 72. Lead screw, 73. Foot rail, 74. Foot seat, 75. Slide seat, 76. Fixed foot strap, 8. Step-raising mechanism, 81. Cylinder, 82. Step bar, 9. Cleaning mechanism, 91. Drive motor, 92. Central shaft, 93. Brush, 10. Cooling mechanism, 101. Mounting seat, 102. Cooling pipe, 103. Nozzle. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] A safe staircase rapid descent device, such as Figures 1-8 As shown, it includes a base plate 1, friction rings 2, an outer cover 3, a locking bar 4, an upper rail mechanism 5, and a lower rail mechanism 7. Four friction rings 2 are evenly spaced and slidably connected to the upper and lower parts of the base plate 1. The outer cover 3 is rotatably connected to the front side of the base plate 1. The locking bar 4 is slidably connected to the upper front side of the base plate 1. The locking bar 4 is used to limit the outer cover 3. The upper rail mechanism 5 is connected between the upper friction rings 2, and the lower rail mechanism 7 is connected between the lower friction rings 2.

[0034] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the upper rail mechanism 5 includes a through frame 51, ball joints 52, railing rails 53, handrail seats 54, friction seats 55, and fixed hand grips 56. The through frame 51 is connected to the friction ring 2 at the top. The ball joints 52 are rotatably connected to the upper and lower sides of the through frame 51. The railing rails 53 are rotatably connected between the ball joints 52 on the same side. The left and right handrail seats 54 are slidably connected to the railing rails 53. The friction seats 55 are rotatably connected to the handrail seats 54. The friction seats 55 are in contact with the adjacent railing rails 53. The fixed hand grips 56 are connected to the friction seats 55.

[0035] As Figure 1 , Figure 2 , Figure 6 , Figure 7 and Figure 8 indicated, the lower rail mechanism 7 includes triangular columns 71, lead screws 72, foot rails 73, foot supports 74, sliding seats 75 and foot fixing belts 76, the front side of the lower friction ring 2 is connected with the triangular columns 71, the upper side of the rear part of the triangular columns 71 is rotationally connected with the lead screws 72, the upper side between the triangular columns 71 is slidingly connected with the foot rails 73, the foot rails 73 are connected with the lead screws 72 through threads, the foot rails 73 are slidingly connected with the left and right two foot supports 74, the upper side of the foot supports 74 is connected with the sliding seats 75, and the sliding seats 75 are connected with the foot fixing belts 76.

[0036] When the device is used, the device can be fixed on the safety stair wall surface through the base plate 1, so that the base plate 1 is consistent with the inclination angle of the safety stair, the clamping lever 4 can be initially controlled to move upward, then the outer cover 3 is controlled to rotate and open, at this time the outer cover 3 will block the lower side, so that others use the device at will, and the middle part of the base plate 1 can place potted plants and other articles, when a fire occurs, the outer cover 3 is controlled to rotate and close, and the clamping lever 4 is controlled to move downward to clamp the outer cover 3, people can select to hold the fixed hand grab lever 56 on the upper and lower sides according to the height, then the feet are placed between the sliding seats 75 and the foot fixing belts 76, and then the user can be supported to slide downward, when the user is short, the lead screw 72 can be controlled to rotate, so that the height of the foot rail 73 is adjusted to facilitate people to hold the fixed hand grab lever 56, during the sliding process, the user can control the fixed hand grab lever 56 and pull forward according to the sliding speed, so that the friction seat 55 rotates and no longer contacts with the railing rail 53, and then the fast descending is achieved.

[0037] As Figure 1 , Figure 2 and Figure 9 indicated, the distance adjusting mechanism 6 includes servo motors 60, guide frames 61, gears 62, racks 63 and connecting sleeves 64, four servo motors 60 are installed on the upper part of the base plate 1, four guide frames 61 are connected on the upper rear side of the base plate 1, the output shafts of the servo motors 60 are connected with the gears 62 through the base plate 1, the racks 63 are connected on the frame 51, the racks 63 are slidingly connected with the adjacent guide frames 61, the connecting sleeves 64 are connected on the triangular columns 71, the racks 63 are slidingly connected on the connecting sleeves 64 through elastic members, and the racks 63 are meshed with the adjacent gears 62.

[0038] The servo motor 60 is controlled to operate, so that the gear 62 is driven to rotate, the frame 51 and the triangular column 71 are moved to the side of approaching or moving away from each other through the meshing of the gear 62 and the rack 63, and then the distance adjusting effect is achieved, which is convenient for people of different heights to use.

[0039] AsFigure 1 , Figure 2 and Figure 10 As shown, it also includes a step-up mechanism 8, which includes a cylinder 81 and a step bar 82; the lower side of the triangular pedestal 71 is connected to a cylinder 81, and the telescopic end of the cylinder 81 is connected to a step bar 82.

[0040] By controlling the operation of cylinder 81, the step bar 82 is moved, causing it to contact the step surface. This allows the step bar 82 to support the triangular pedestal 71, thereby improving the stability and weighing capacity of the device.

[0041] like Figure 1 , Figure 2 and Figure 11 As shown, it also includes a cleaning mechanism 9, which includes a drive motor 91, a central shaft 92 and a brush 93. Three drive motors 91 are evenly spaced at the rear of the foot rail 73. The output shaft of each drive motor 91 is connected to a central shaft 92, and the central shaft 92 is connected to a brush 93.

[0042] When the drive motor 91 is started, the central shaft 92 will rotate, which in turn will rotate the brush 93. The rotation of the brush 93 can effectively clean the foot rail 73 and prevent foreign objects in the foot rail 73 from affecting the user's use.

[0043] like Figure 1 , Figure 2 and Figure 12 As shown, it also includes a cooling mechanism 10, which includes a mounting base 101, a cooling pipe 102 and a nozzle 103. Five mounting bases 101 are connected to both the front and rear parts of the substrate 1. Cooling pipes 102 are connected between the front and rear mounting bases 101. Four nozzles 103 are connected to each cooling pipe 102.

[0044] In the event of a fire, water can be injected into the cooling pipe 102 to cool the substrate 1, and the nozzle 103 can be turned on to prevent the substrate 1 from burning and ensure the normal operation of the device.

[0045] It should be understood that this embodiment is for illustrative purposes only and is not intended to limit the scope of the invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the invention, and these equivalent forms also fall within the scope defined by the appended claims.

Claims

1. A safety staircase rapid descent device, characterized in that it includes: The system has a base plate (1), friction rings (2), an upper rail mechanism (5) and a lower rail mechanism (7). Multiple friction rings (2) are evenly spaced and slidably connected to the upper and lower parts of the base plate (1). The upper friction rings (2) are connected to the upper rail mechanism (5), and the lower friction rings (2) are connected to the lower rail mechanism (7). By controlling the upper rail mechanism (5) and the lower rail mechanism (7), the user can be fixed and the system can move quickly downwards. The upper rail mechanism (5) includes a through frame (51), ball joints (52), railing rails (53), handrail seats (54), friction seats (55), and fixed hand grips (56). The through frame (51) is connected to the friction ring (2) at the top. The ball joints (52) are rotatably connected to the upper and lower sides of the through frame (51). The railing rails (53) are rotatably connected between the ball joints (52) on the same side. The left and right handrail seats (54) are slidably connected to the railing rails (53). Each of the upper parts is rotatably connected to a friction seat (55), and each friction seat (55) is in contact with the adjacent rail rail (53). Each friction seat (55) is connected to a fixed hand grip bar (56). Initially, the friction seat (55) is in contact with the rail rail (53), so that the handrail seat (54) cannot slide. When the user grabs the fixed hand grip bar (56) and pulls it forward, the friction seat (55) will rotate and no longer be in contact with the rail rail (53), so that the handrail seat (54) will slide along the rail rail (53). The lower rail mechanism (7) includes a triangular pedestal (71), a lead screw (72), a foot rail (73), a foot seat (74), a slide (75), and a foot fixing belt (76). The front side of the lower friction ring (2) is connected to the triangular pedestal (71). The upper rear part of the triangular pedestal (71) is rotatably connected to the lead screw (72). The upper sides of the triangular pedestal (71) are slidably connected to the foot rail (73). The foot rail (73) is connected to the lead screw (72) by threads. Next, two foot seats (74) are slidably connected to the foot rail (73). Each foot seat (74) is connected to a slide seat (75) on its upper side. Each slide seat (75) is connected to a foot strap (76). The user's foot is placed between the slide seat (75) and the foot strap (76), which can support the user to slide down. When the user is short, the screw (72) can be rotated to adjust the height of the foot rail (73) so that people can easily grab the hand grip bar (56).

2. The safety staircase rapid descent device as described in claim 1, characterized in that, It also includes an outer cover (3) and a lever (4). The outer cover (3) is rotatably connected to the front side of the substrate (1), and the lever (4) is slidably connected to the upper front side of the substrate (1). The lever (4) is used to limit the outer cover (3).

3. The safety staircase rapid descent device as described in claim 1, characterized in that, It also includes a pitch adjustment mechanism (6), which includes a servo motor (60), a guide frame (61), a gear (62), a rack (63), and a connecting sleeve (64). Multiple servo motors (60) are mounted on the upper part of the base plate (1), and multiple guide frames (61) are connected to the upper rear side of the base plate (1). The output shafts of the servo motors (60) all pass through the base plate (1) and are connected to the gears (62). Racks (63) are connected to the through-frames (51). (63) are all slidably connected to the adjacent guide frame (61). The triangular column (71) is connected to the connecting sleeve (64). The connecting sleeve (64) is slidably connected to the rack (63) through the elastic element. The rack (63) meshes with the adjacent gear (62). The control servo motor (60) drives the gear (62) to operate, and the gear (62) meshes with the rack (63), so that the frame (51) and the triangular column (71) move to the opposite side.

4. The safety staircase rapid descent device as described in claim 3, characterized in that, It also includes a step-up mechanism (8), which includes a cylinder (81) and a step bar (82); the lower side of the triangular pedestal (71) is connected to a cylinder (81), and the extension end of the cylinder (81) is connected to a step bar (82); by controlling the cylinder (81) to drive the step bar (82) to move, the step bar (82) comes into contact with the step surface to play a supporting role.

5. A rapid descent device for a safety staircase as described in claim 4, characterized in that, It also includes a cleaning mechanism (9), which includes a drive motor (91), a central shaft (92) and a brush (93). Multiple drive motors (91) are evenly spaced at the rear of the foot rail (73). The output shaft of each drive motor (91) is connected to a central shaft (92), and the central shaft (92) is connected to a brush (93).

6. A safety staircase rapid descent device as described in claim 5, characterized in that, It also includes a cooling mechanism (10), which includes a mounting base (101), a cooling pipe (102) and a nozzle (103). Multiple mounting bases (101) are connected to both the front and rear parts of the substrate (1). A cooling pipe (102) is connected between the front and rear mounting bases (101), and multiple nozzles (103) are connected to the cooling pipes (102).

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