CN215717000U

CN215717000U - Be used for prefabricated staircase safety turning device

Info

Publication number: CN215717000U
Application number: CN202120837566.5U
Authority: CN
Inventors: 鲍志刚; 汪林江; 王关水; 陈忠; 袁韬; 金春锋; 陈松; 陈亮; 夏根孝; 鲍瑞璟
Original assignee: Lu'an Baoye Construction Industrialization Co ltd
Current assignee: Lu'an Baoye Construction Industrialization Co ltd
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-02-01
Anticipated expiration: 2031-04-22

Abstract

The utility model belongs to the technical field of prefabricated stairways, in particular to a safe overturning device for a prefabricated stairway, and provides a scheme aiming at the problem of the existing adjustment. The stair is placed on the fixing frame, so that the stair can be well adjusted to be normally installed, and the danger is greatly avoided.

Description

Be used for prefabricated staircase safety turning device

Technical Field

The utility model relates to the technical field of prefabricated stairs, in particular to a safe overturning device for a prefabricated stair.

Background

The stairs are members for vertical traffic between floors in a building and are used for traffic connection between floors and when the height difference is large. At present, the reinforced concrete stairs are most commonly applied, the construction method of the reinforced concrete stairs comprises a field pouring method and a prefabricating and assembling method, the field pouring stair has better rigidity, but the template has high consumption and longer construction period, grooves are manually cut on the surface of the stairs to be roughened, the labor and the effort are wasted, and the phenomena of sewage, dust and noise are serious.

Most of the existing prefabricated staircases can change the direction of the prefabricated staircases when being installed, otherwise, the prefabricated staircases are easy to cause danger.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a safety overturning device for a prefabricated staircase.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a be used for prefabricated stair safety turning device, includes the mount, the mount is L type structure, the sliding tray has all been seted up to the top and one side of mount, and slidable mounting has the sliding block in the sliding tray, and in the one end of sliding block extended to the sliding tray, the other end of sliding block extended to outside the sliding tray, and the one end that the sliding block extended to outside the sliding tray all rotates installs first pivot, and fixed mounting has first fixed plate and second fixed plate respectively in the first pivot, and first fixed plate is L type structure, and movable mounting has same stair between first fixed plate and the second fixed plate.

Preferably, one side of the sliding groove is provided with a groove, a telescopic rod is slidably mounted in the groove, one end of the telescopic rod extends into the groove, the other end of the telescopic rod extends into the sliding groove, and one end of the telescopic rod extending into the sliding groove is fixedly connected with one side of the sliding block.

Preferably, a limiting hole is formed in the inner wall of the top of the groove, a limiting rod is slidably mounted in the limiting hole, one end of the limiting rod extends into the groove, the other end of the limiting rod extends out of the fixing frame, a limiting groove is formed in the top of the telescopic rod, and one end of the limiting rod, which extends into the groove, extends into the limiting groove.

Preferably, one side fixed mounting of gag lever post has first quarter butt, and the bottom fixed mounting of first quarter butt has the one end of first spring, the other end of first spring and the top fixed connection of mount.

Preferably, one side top of second fixed plate rotates and installs the second pivot, and fixed mounting has a shelves pole in the second pivot, the draw-in groove has been seted up to one side that the second fixed plate is close to the second pivot, and slidable mounting has the horizontal pole in the draw-in groove, and the one end fixed mounting of horizontal pole has the one end of second spring, fixed connection on the other end of second spring and the one side inner wall of draw-in groove.

Preferably, what the top of horizontal pole was seted up has the through-hole, and slidable mounting has the montant in the through-hole, and one side of montant contacts with one side of shelves pole, fixed mounting has the fixed block on one side inner wall of through-hole, and the montant is close to one side of fixed block and has seted up the fixed slot, one side fixed mounting of montant has the second quarter butt, and the top fixed mounting of second quarter butt has the one end of third spring, the other end of third spring and the bottom fixed connection of horizontal pole.

Compared with the prior art, the utility model has the beneficial effects that:

according to the safety turning device for the prefabricated staircase, when adjustment is needed, the limiting rod is firstly slid to be separated from the limiting groove, then the second fixing plate is slid to drive the first rotating shaft to drive the sliding block, meanwhile, the second fixing plate drives the staircase, after adjustment is completed, the cross rod is pressed, then the vertical rod slides downwards, then the stop rod is rotated, and the staircase can be taken out, so that the purpose of adjustment is achieved.

The stair is placed on the fixing frame, so that the stair can be well adjusted to be normally installed, and the danger is greatly avoided.

Drawings

Fig. 1 is a schematic front structural view of a safety turning device for prefabricated stairs according to the present invention;

fig. 2 is a schematic structural view of a part a of the safety turning device for the prefabricated staircase, which is provided by the utility model;

fig. 3 is a schematic structural diagram of part B of a safety overturning device for prefabricated stairs according to the present invention.

In the figure: the spring comprises a fixed frame 1, a sliding groove 2, a sliding block 3, a first rotating shaft 4, a first fixing plate 5, a second fixing plate 6, a stair 7, a groove 8, a telescopic rod 9, a limiting hole 10, a limiting rod 11, a limiting groove 12, a first short rod 13, a first spring 14, a second rotating shaft 15, a stop lever 16, a clamping groove 17, a cross rod 18, a second spring 19, a through hole 20, a vertical rod 21, a fixed groove 22, a fixed block 23, a second short rod 24 and a third spring 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-3, a be used for prefabricated staircase safety turning device, including mount 1, mount 1 is L type structure, sliding tray 2 has all been seted up at the top of mount 1 and one side, slidable mounting has sliding block 3 in sliding tray 2, the one end of sliding block 3 extends to in the sliding tray 2, the other end of sliding block 3 extends to outside the sliding tray 2, sliding block 3 extends to the outer one end of sliding tray 2 and all rotates and installs first pivot 4, fixed mounting has first fixed plate 5 and second fixed plate 6 respectively on the first pivot 4, and first fixed plate 5 is L type structure, movable mounting has same stair 7 between first fixed plate 5 and the second fixed plate 6, sliding tray 2 is used for sliding.

In the utility model, one side of the sliding groove 2 is provided with a groove 8, a telescopic rod 9 is slidably mounted in the groove 8, one end of the telescopic rod 9 extends into the groove 8, the other end of the telescopic rod 9 extends into the sliding groove 2, and one end of the telescopic rod 9 extending into the sliding groove 2 is fixedly connected with one side of the sliding block 3.

According to the telescopic rod, the inner wall of the top of the groove 8 is provided with a limiting hole 10, a limiting rod 11 is slidably mounted in the limiting hole 10, one end of the limiting rod 11 extends into the groove 8, the other end of the limiting rod 11 extends out of the fixing frame 1, the top of the telescopic rod 9 is provided with a limiting groove 12, one end of the limiting rod 11 extending into the groove 8 extends into the limiting groove 12, and the telescopic rod 9 is used for stretching.

In the utility model, a first short rod 13 is fixedly arranged on one side of a limiting rod 11, one end of a first spring 14 is fixedly arranged at the bottom of the first short rod 13, the other end of the first spring 14 is fixedly connected with the top of a fixed frame 1, and the limiting rod 11 is used for fixing.

According to the utility model, a second rotating shaft 15 is rotatably mounted at the top of one side of a second fixing plate 6, a blocking rod 16 is fixedly mounted on the second rotating shaft 15, a clamping groove 17 is formed in one side, close to the second rotating shaft 15, of the second fixing plate 6, a cross rod 18 is slidably mounted in the clamping groove 17, one end of the cross rod 18 is fixedly mounted with one end of a second spring 19, the other end of the second spring 19 is fixedly connected with the inner wall of one side of the clamping groove 17, and the second spring 19 is used for resetting.

In the utility model, the top of the cross rod 18 is provided with a through hole 20, a vertical rod 21 is slidably mounted in the through hole 20, one side of the vertical rod 21 is in contact with one side of the blocking rod 16, the inner wall of one side of the through hole 20 is fixedly provided with a fixed block 23, one side of the vertical rod 21 close to the fixed block 23 is provided with a fixed groove 22, one side of the vertical rod 21 is fixedly provided with a second short rod 24, the top of the second short rod 24 is fixedly provided with one end of a third spring 25, the other end of the third spring 25 is fixedly connected with the bottom of the cross rod 18, and the third spring 25 is used for resetting.

Example two

The utility model provides a be used for prefabricated staircase safety turning device, including mount 1, mount 1 is L type structure, sliding tray 2 has all been chisel to mount 1's top and one side, sliding tray 2 slidable mounting has sliding block 3, sliding block 3's one end extends to in the sliding tray 2, sliding block 3's the other end extends to outside the sliding tray 2, sliding block 3 extends to the outer one end of sliding tray 2 and all rotates and install first pivot 4, fixed welding has first fixed plate 5 and second fixed plate 6 respectively on the first pivot 4, and first fixed plate 5 is L type structure, movable mounting has same stair 7 between first fixed plate 5 and the second fixed plate 6.

According to the utility model, a groove 8 is chiseled on one side of the sliding groove 2, an expansion link 9 is slidably mounted in the groove 8, one end of the expansion link 9 extends into the groove 8, the other end of the expansion link 9 extends into the sliding groove 2, and one end of the expansion link 9 extending into the sliding groove 2 is fixedly connected with one side of the sliding block 3.

According to the utility model, a limiting hole 10 is chiseled on the inner wall of the top of the groove 8, a limiting rod 11 is slidably mounted in the limiting hole 10, one end of the limiting rod 11 extends into the groove 8, the other end of the limiting rod 11 extends out of the fixing frame 1, a limiting groove 12 is chiseled on the top of the telescopic rod 9, and one end of the limiting rod 11 extending into the groove 8 extends into the limiting groove 12.

In the utility model, a first short rod 13 is fixedly welded on one side of the limiting rod 11, one end of a first spring 14 is fixedly welded on the bottom of the first short rod 13, and the other end of the first spring 14 is fixedly connected with the top of the fixed frame 1.

According to the utility model, a second rotating shaft 15 is rotatably mounted at the top of one side of a second fixing plate 6, a blocking rod 16 is fixedly welded on the second rotating shaft 15, a clamping groove 17 is chiseled at one side of the second fixing plate 6 close to the second rotating shaft 15, a cross rod 18 is slidably mounted in the clamping groove 17, one end of the cross rod 18 is fixedly welded with one end of a second spring 19, and the other end of the second spring 19 is fixedly connected with the inner wall of one side of the clamping groove 17.

In the utility model, a through hole 20 is chiseled at the top of a cross rod 18, a vertical rod 21 is slidably mounted in the through hole 20, one side of the vertical rod 21 is contacted with one side of a stop rod 16, a fixed block 23 is fixedly welded on the inner wall of one side of the through hole 20, a fixed groove 22 is chiseled at one side of the vertical rod 21 close to the fixed block 23, a second short rod 24 is fixedly welded at one side of the vertical rod 21, one end of a third spring 25 is fixedly welded at the top of the second short rod 24, and the other end of the third spring 25 is fixedly connected with the bottom of the cross rod 18.

According to the safety turning device for the prefabricated staircase, when adjustment is needed, the limiting rod 11 is firstly slid, the limiting rod 11 is separated from the limiting groove 12, then the second fixing plate 6 is slid, the second fixing plate 6 drives the first rotating shaft 4, the first rotating shaft 4 drives the sliding block 3, meanwhile, the second fixing plate 6 drives the staircase 7, after adjustment is completed, the cross rod 18 is pressed, the vertical rod 21 slides downwards, then the stop lever 16 is rotated, and the staircase 7 can be taken out, so that the purpose of adjustment is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a be used for prefabricated staircase safety turning device, includes mount (1), a serial communication port, mount (1) is L type structure, sliding tray (2) have all been seted up to the top and one side of mount (1), sliding tray (2) slidable mounting has sliding block (3), the one end of sliding block (3) extends to in sliding tray (2), the other end of sliding block (3) extends to outside sliding tray (2), sliding block (3) extend to the outer one end of sliding tray (2) and all rotate and install first pivot (4), on first pivot (4) respectively fixed mounting have first fixed plate (5) and second fixed plate (6), and first fixed plate (5) are L type structure, movable mounting has same stair (7) between first fixed plate (5) and second fixed plate (6).

2. The prefabricated staircase safety turnover device as claimed in claim 1, wherein one side of the sliding groove (2) is provided with a groove (8), a telescopic rod (9) is slidably mounted in the groove (8), one end of the telescopic rod (9) extends into the groove (8), the other end of the telescopic rod (9) extends into the sliding groove (2), and one end of the telescopic rod (9) extending into the sliding groove (2) is fixedly connected with one side of the sliding block (3).

3. The safety turning device for the prefabricated staircase according to claim 2, wherein a limiting hole (10) is formed in the inner wall of the top of the groove (8), a limiting rod (11) is slidably mounted in the limiting hole (10), one end of the limiting rod (11) extends into the groove (8), the other end of the limiting rod (11) extends out of the fixing frame (1), a limiting groove (12) is formed in the top of the telescopic rod (9), and one end of the limiting rod (11) extending into the groove (8) extends into the limiting groove (12).

4. The prefabricated staircase safety turnover device as claimed in claim 3, wherein a first short rod (13) is fixedly installed at one side of the limiting rod (11), one end of a first spring (14) is fixedly installed at the bottom of the first short rod (13), and the other end of the first spring (14) is fixedly connected with the top of the fixed frame (1).

5. The safety overturning device for the prefabricated staircase according to claim 1, wherein a second rotating shaft (15) is rotatably installed at the top of one side of the second fixing plate (6), a stop rod (16) is fixedly installed on the second rotating shaft (15), a clamping groove (17) is formed in one side, close to the second rotating shaft (15), of the second fixing plate (6), a cross rod (18) is slidably installed in the clamping groove (17), one end of the cross rod (18) is fixedly installed with one end of a second spring (19), and the other end of the second spring (19) is fixedly connected with the inner wall of one side of the clamping groove (17).

6. The safety overturning device for the prefabricated staircase according to claim 5, wherein the top of the cross rod (18) is provided with a through hole (20), a vertical rod (21) is slidably mounted in the through hole (20), one side of the vertical rod (21) is in contact with one side of the stop rod (16), a fixed block (23) is fixedly mounted on the inner wall of one side of the through hole (20), a fixed groove (22) is formed in one side of the vertical rod (21) close to the fixed block (23), a second short rod (24) is fixedly mounted on one side of the vertical rod (21), one end of a third spring (25) is fixedly mounted on the top of the second short rod (24), and the other end of the third spring (25) is fixedly connected with the bottom of the cross rod (18).