CN216042259U - Support type stair handrail for walking stairs - Google Patents

Abstract

The utility model discloses a support type stair handrail for walking stairs, which comprises a support, wherein a stair main body is welded and installed at the top of the support, two rows of connecting structures are arranged at the top of the stair main body, a handrail frame is arranged at the top of each connecting structure, and two installation shafts are rotatably installed on the side edges of the handrail frame. This a ladder stair handrail is walked to posture, the side of handrail frame has added and has established chain formula transmission structure, it is rotatory to drive the installation axle through the handle, and then it is rotatory to drive the sprocket, through chain drive between two sprockets, two sprockets are rotatory simultaneously this moment, can move the chain fixing base to the lower, make the lifting hook be located the lower, then hang the instrument material on the lifting hook, the counter-rotation installation axle moves the lifting hook to the highest point, it possesses the effect of carrying out the transportation to the material to make stair handrail it, when instrument or transport material are taken to needs, do not need the staff to walk the climbing of making a round trip on the ladder, and then be favorable to improving the security of walking the ladder when using.

Description

Support type stair handrail for walking stairs

Technical Field

The utility model relates to the field of handrails, in particular to a support type stair handrail for a walking stair.

Background

The building is used as a component for vertical traffic between floors. The method is used for traffic connection between floors and when the height difference is large. Stairways are also provided in multi-story and high-rise buildings provided with elevators and escalators as the main means of vertical transportation. High-rise buildings, although using elevators as the main vertical transport means, still need to keep staircases for escape in case of fire. The stairs are composed of continuous stair sections (also called stair runs), platforms (rest platforms), enclosing members and the like. The horizontal projection distance between the lowest step and the highest step of the stair is the length of the stair, and the total height of the steps is the height of the stair.

This application improves to prior art, and ladder stair handrail is walked to the posture among the prior art, and it has following not enough when using, and when the ladder was walked in the use, the user probably need get off the instrument of taking, though has the handrail to assist the use, still has certain potential safety hazard from top to bottom.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a support-type stair railing to solve the above problems.

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

the utility model provides a posture walks terraced stair handrail, includes the support, the top welded mounting of support has the stair main part, the top of stair main part is provided with two rows of connection structure, connection structure's top is provided with the handrail frame, the side of handrail frame is rotated and is installed two installation axles, two the outer wall of installation axle all cup joints and installs the sprocket, two the chain is installed in the transmission between the sprocket, the outer wall fixed mounting of chain has the chain fixing base, the bottom fixed mounting of chain fixing base has lifting hook installation piece, the lifting hook is installed in the bottom welded mounting of lifting hook installation piece.

As a further scheme of the utility model: one end fixed mounting of installation axle has rotatory handle, and rotatory handle is located the inboard of handrail frame.

As a still further scheme of the utility model: the connecting structure comprises a support frame, wherein a rotating installation part is fixedly installed at the top and the bottom of the support frame, the rotating installation part comprises a U-shaped frame, a fixed shaft is fixedly installed in the U-shaped frame, and a connecting block is installed on the outer wall of the fixed shaft in a rotating mode.

As a still further scheme of the utility model: the side fixed mounting of connection structure has the flange, the top of flange alternates and is provided with the threaded rod, the rotatory handle of top fixedly connected with of threaded rod, the bottom fixedly connected with connecting seat of threaded rod, the bottom fixedly connected with fixture block of connecting seat, the card hole with fixture block looks adaptation is seted up at the top of stair main part.

As a still further scheme of the utility model: the top of the convex plate is penetrated with a threaded hole matched with the threaded rod, and the convex plate is in transmission connection with the threaded rod through the threaded hole.

As a still further scheme of the utility model: the stair main body is connected with the support frame through the rotation installed part of below, the handrail frame is connected with the support frame rotation through the rotation installed part of top.

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

1. the utility model discloses side at the handrail frame adds and has established chain formula transmission structure, it is rotatory to drive the installation axle through the handle, and then it is rotatory to drive the sprocket, through chain drive between two sprockets, two sprockets are rotatory simultaneously this moment, can move the chain fixing base to the lower, make the lifting hook be located the lower, then hang the instrument material on the lifting hook, the counter-rotation installation axle moves the lifting hook to the highest point, it possesses the effect of carrying out the transportation to the material to make stair railing it, when instrument or the transported substance material are taken to needs, do not need the staff to walk the climbing of making a round trip on the ladder, and then be favorable to improving the security of walking the ladder when using.

2. The utility model discloses be in the state of being connected of rotating between stair main part and connection structure and the handrail frame, when walking the ladder and not using, can make connection structure rotatory to one side, can adjust the decline to the height that the handrail frame was located this moment, and then can adjust walking ladder's whole height, when not using, reduce its whole height, be convenient for remove the transport to it, when fixing connection structure, rotatory handle drives the threaded rod rotatory, under the vertical transmission effect of threaded rod and flange, it descends to drive the connecting seat, make the inside joint that the fixture block got into the card hole, fix connection structure, otherwise, can remove the fixed to connection structure, connection structure's limit structure is simple, be convenient for carry out quick folding to the handrail frame and accomodate the use.

Drawings

Fig. 1 is a schematic structural view of a handrail of a trestle type stair-walking stair;

fig. 2 is an enlarged schematic view of a handrail of the trestle type stair of fig. 1 at a point a;

fig. 3 is an enlarged schematic view of a handrail of the trestle type stair of fig. 1 at B;

fig. 4 is a schematic structural view of a connection structure in a handrail of a trestle type stair walking.

In the figure: support 1, stair main part 2, connection structure 3, handrail frame 4, installation axle 5, sprocket 6, chain 7, chain fixing base 8, lifting hook installation piece 9, lifting hook 10, fixture block 11, connecting seat 12, threaded rod 13, rotatory handle 14, flange 15, card hole 16, support frame 17, rotation installed part 18, connecting block 19, fixed axle 20, U-shaped frame 21.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the utility model provides a technical scheme that a support type stair-walking stair handrail comprises a support 1, a stair main body 2 is welded and installed on the top of the support 1, two rows of connecting structures 3 are arranged on the top of the stair main body 2, a handrail frame 4 is arranged on the top of the connecting structures 3, two installation shafts 5 are rotatably installed on the side edges of the handrail frame 4, chain wheels 6 are installed on the outer walls of the two installation shafts 5 in a sleeved mode, a chain 7 is installed between the two chain wheels 6 in a transmission mode, a chain fixing seat 8 is fixedly installed on the outer wall of the chain 7, a hook installation block 9 is fixedly installed at the bottom of the chain fixing seat 8, and a hook 10 is welded and installed at the bottom of the hook installation block 9.

Referring to fig. 1-2, a rotating handle is fixedly installed at one end of the installation shaft 5, and the rotating handle is located at the inner side of the armrest frame 4.

Referring to fig. 4, the connecting structure 3 includes a supporting frame 17, a rotating installation part 18 is fixedly installed at both the top and the bottom of the supporting frame 17, the rotating installation part 18 includes a U-shaped frame 21, a fixing shaft 20 is fixedly installed inside the U-shaped frame 21, and a connecting block 19 is rotatably installed on the outer wall of the fixing shaft 20.

Referring to fig. 3, a convex plate 15 is fixedly mounted on a side of the connecting structure 3, a threaded rod 13 is inserted into the top of the convex plate 15, a rotating handle 14 is fixedly connected to the top of the threaded rod 13, a connecting seat 12 is fixedly connected to the bottom of the threaded rod 13, a clamping block 11 is fixedly connected to the bottom of the connecting seat 12, and a clamping hole 16 matched with the clamping block 11 is formed in the top of the stair body 2.

Referring to fig. 3, a threaded hole adapted to the threaded rod 13 is formed through the top of the convex plate 15, and the convex plate 15 is in transmission connection with the threaded rod 13 through the threaded hole.

Referring to fig. 1, the stair body 2 is rotatably connected to the support frame 17 through the lower rotatable mounting member 18, and the handrail frame 4 is rotatably connected to the support frame 17 through the upper rotatable mounting member 18.

The working principle of the utility model is as follows:

when the stair handrail is used, a chain type transmission structure is additionally arranged on the side edge of the handrail frame 4, the mounting shaft 5 is driven to rotate through the handle, the chain wheels 6 are driven to rotate, the two chain wheels 6 are driven to rotate through the chain 7, at the moment, the two chain wheels 6 rotate simultaneously, the chain fixing seat 8 can be moved to the lowest position, the lifting hook 10 is positioned at the lowest position, then tool materials are hung on the lifting hook 10, the lifting hook 10 is moved to the highest position through the mounting shaft 5 which rotates reversely, the stair handrail has the effect of transporting the materials, when the tools or the materials need to be taken or conveyed, the climbing of workers on the walking stair is not needed, and the safety of the walking stair is improved;

stair main part 2 and connection structure 3 and be in the state of rotating the connection between connection structure 3 and the handrail frame 4, when walking the ladder and not using, can make connection structure 3 rotatory to one side, can adjust the decline to the height that handrail frame 4 was located this moment, and then can adjust walking the whole height of ladder, when not using, reduce its whole height, be convenient for remove the transport to it, when fixing connection structure 3, rotatory handle 14 drives threaded rod 13 rotatory, under the vertical transmission effect of threaded rod 13 and flange 15, drive connecting seat 12 and descend, make the inside joint of fixture block 11 entering card hole 16, fix connection structure 3, otherwise, can remove the fixed to connection structure 3, connection structure 3's limit structure is simple, be convenient for carry out quick folding to handrail frame 4 and accomodate the use.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a posture stairs-ladder handrail of walking, includes support (1), its characterized in that: the top welded mounting of support (1) has stair main part (2), the top of stair main part (2) is provided with two rows of connection structure (3), the top of connection structure (3) is provided with handrail frame (4), the side of handrail frame (4) is rotated and is installed two installation axles (5), two the outer wall of installation axle (5) all cup joints and installs sprocket (6), two chain (7) are installed in the transmission between sprocket (6), the outer wall fixed mounting of chain (7) has chain fixing base (8), the bottom fixed mounting of chain fixing base (8) has lifting hook installation piece (9), lifting hook (10) are installed in the bottom welded mounting of lifting hook installation piece (9).

2. The outrigger-type stair railing of claim 1, wherein: one end of the mounting shaft (5) is fixedly provided with a rotating handle, and the rotating handle is positioned on the inner side of the handrail frame (4).

3. The outrigger-type stair railing of claim 1, wherein: connection structure (3) are including support frame (17), the equal fixed mounting in top and the bottom of support frame (17) has rotation installed part (18), rotation installed part (18) are including U-shaped frame (21), the inside fixed mounting of U-shaped frame (21) has fixed axle (20), connecting block (19) are installed in the outer wall rotation of fixed axle (20).

4. A outrigger-type stair railing according to claim 3, wherein: the side fixed mounting of connection structure (3) has flange (15), the top of flange (15) alternates and is provided with threaded rod (13), the rotatory handle of top fixedly connected with (14) of threaded rod (13), the bottom fixedly connected with connecting seat (12) of threaded rod (13), the bottom fixedly connected with fixture block (11) of connecting seat (12), card hole (16) with fixture block (11) looks adaptation are seted up at the top of stair main part (2).

5. The outrigger-type stair railing of claim 4, wherein: the top of the convex plate (15) penetrates through a threaded hole matched with the threaded rod (13), and the convex plate (15) is in transmission connection with the threaded rod (13) through the threaded hole.

6. A outrigger-type stair railing according to claim 3, wherein: the stair main body (2) is rotatably connected with the support frame (17) through a rotating mounting part (18) below, and the handrail frame (4) is rotatably connected with the support frame (17) through a rotating mounting part (18) above.

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