CN215254860U

CN215254860U - Construction stair of simple and easy dismouting

Info

Publication number: CN215254860U
Application number: CN202121430252.XU
Authority: CN
Inventors: 胥科伟
Original assignee: Changzhou Senior Vocational And Technical School
Current assignee: Changzhou Senior Vocational And Technical School
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-21
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to a construction technical field especially relates to a construction stair of simple and easy dismouting, including two stands, a ejector pin and three spinal branch poles, the tip of branch is installed on the ejector pin, and is located and rotates through the hub connection on the lower surface of a spinal branch pole in the middle of being equipped with the turning handle, equal swing joint has the gangbar between two spinal branch poles in addition and the turning handle, and install electric putter on being located one side lateral wall of middle branch, electric putter's tip and the lateral wall of a spinal branch pole relative with it are connected, the extension board of the three horn shapes of multiunit has been welded on the upper surface of branch, it is equipped with the baffle to slide on one side lateral wall of extension board, it is equipped with the footboard to put on the extension board of same height, the one end of footboard is inserted in branch, and its other end and baffle contact. Compared with the prior art, the utility model discloses can conveniently adjust the horizontal range of stair, make it facilitate for the transport work.

Description

Construction stair of simple and easy dismouting

Technical Field

The utility model relates to a construction technical field especially relates to a construction stair of simple and easy dismouting.

Background

In the job site, often need use interim stair, chinese utility model patent that bulletin number is CN208039907U discloses the construction stair of simple and easy dismouting, and this construction stair can build the dismouting at any time, compares and utilizes the material scene to build more labour saving and time saving to reuse, but this construction stair still exist not enoughly, for example, the range restriction of stair leads to the difficult transport of some great goods of width to go up and down stairs, consequently needs a device to solve the problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a construction stair of simple and easy dismouting.

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

a construction stair easy to disassemble and assemble comprises two upright posts, an ejector rod and three support rods, wherein the end parts of the support rods are arranged on the ejector rods, a rotating handle is rotatably arranged on the lower surface of one support rod in the middle through a shaft connection, linkage rods are movably connected between the other two support rods and the rotating handle, an electric push rod is arranged on the side wall of one side of the support rod in the middle, and the end part of the electric push rod is connected with the side wall of one support rod opposite to the electric push rod;

a plurality of groups of triangular support plates are welded on the upper surface of the support rod, a baffle is arranged on the side wall of one side of each support plate in a sliding manner, a pedal is arranged on each support plate at the same height, one end of each pedal is inserted into the support rod, and the other end of each pedal is in contact with the baffle;

the ejector pin slides between two sets of stands through two sets of regulation seats, and the regulation seat slides on the outer wall surface of stand and passes through holding screw with it and connect fixedly.

Preferably, the bottom end of the upright post is provided with a non-slip mat, the non-slip mat is provided with an adjusting hole arranged along the length direction of the upright post, and the end part of the ejector rod is matched with the adjusting hole and slides in the adjusting hole.

Preferably, the end part of the ejector rod penetrates through the adjusting seat and is rotatably arranged with the adjusting seat.

Preferably, a side groove is formed in the side wall of one side of the support plate, a guide shaft is welded between the inner walls of the side grooves, a sliding block is welded on the side wall of one side of the baffle, and the sliding block slides on the guide shaft.

Preferably, the guide shaft is sleeved with a spring, one end of the spring is welded with the bottom wall of the side groove, and the other end of the spring is in contact with the lower surface of the sliding block.

Preferably, the lower surfaces of the supporting rods positioned on the two sides are respectively welded with a connecting seat, one end of the linkage rod is connected with the connecting seats through a shaft, and the other end of the linkage rod is connected with the end part of the rotating handle through a shaft.

Preferably, the supporting rod and the ejector rod which are positioned in the middle are rotatably connected, and the supporting rods and the ejector rod which are positioned on two sides are rotatably connected and slidably connected.

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

through set up three group's branches that can slide adjusting on the ejector pin, set up the baffle that can adjust on the lateral wall of branch, utilize the baffle to carry out spacing fixed to the footboard, in addition, set up turning handle and gangbar isotructure in the bottom of branch for through electric putter's activity, the branch synchronous motion who makes one side drives the opposite side is adjusted, thereby adjusts the distance between the branch of outermost end both sides, thereby improves the convenience for carrying different heavy objects.

Drawings

Fig. 1 is a schematic side view of a simply assembled and disassembled construction stair of the present invention;

FIG. 2 is a schematic view of the baffle installation of the simply assembled and disassembled stair;

fig. 3 is the utility model provides a supporting rod of construction stair of simple and easy dismouting adjusts upward schematic view.

In the figure: the device comprises a vertical column 1, an adjusting hole 11, an adjusting seat 12, a top rod 2, a support rod 3, a rotating handle 31, a connecting seat 32, a linkage rod 33, a support plate 4, a guide shaft 41, a pedal 5, a baffle 6 and a slide block 61.

Detailed Description

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

Referring to fig. 1-3, a simply disassembled and assembled construction stair comprises two upright posts 1, a top rod 2 and three support rods 3, wherein the end parts of the support rods 3 at two sides slide on the top rod 2, the support rod 3 at the middle is fixed at the middle position of the top rod 2 and can not slide, but can rotate with the top rod 2, a rotating handle 31 is rotationally arranged on the lower surface of the middle supporting rod 3 through a shaft connection, the rotating handle 31 is used for assisting to drive the linkage rod 33 to rotate and adjust, a linkage rod 33 is movably connected between the other two support rods 3 and the rotating handle 31, the linkage rod 33 is arranged to facilitate the adjustment of the distance between the support rods 3 at the two sides, an electric push rod is arranged on the side wall of one side of the support rod 3 in the middle, the aim is to push the supporting rod 3 at one side to slide, thereby ensuring that the supporting rod 3 at the other side also synchronously moves, and the end part of the electric push rod is connected with the side wall of one supporting rod 3 opposite to the end part;

furthermore, a plurality of groups of triangular support plates 4 are welded on the upper surface of the support rod 3, the support plates 4 are used for placing the pedal 5, a baffle 6 is arranged on the side wall of one side of each support plate 4 in a sliding manner, the baffle 6 has a limiting effect on the pedal 5, a side groove is formed in the side wall of one side of each support plate 4, a guide shaft 41 is welded between the inner walls of the side grooves, a sliding block 61 is welded on the side wall of one side of each baffle 6, the sliding block 61 slides on the guide shaft 41, a spring is sleeved on each guide shaft 41, one end of each spring is welded with the bottom wall of the corresponding side groove, the other end of each spring is in contact with the lower surface of the corresponding sliding block 61, the pedal 5 is arranged on the support plate 4 at the same height, one end of each pedal 5 is inserted into the support rod 3 (a clamping groove matched with the corresponding pedal 5 is formed in the support rod 3), and the other end of each pedal is in contact with the corresponding baffle 6;

further, ejector pin 2 slides between two sets of stands 1 through the regulation seat 12 of two sets of "C" type structures, it is the height of 2 for the convenience of adjusting ejector pin to adjust seat 12, thereby adjust the height of stair, it slides at stand 1's outer wall surface and fixed through holding screw with it to adjust seat 12, stand 1's bottom is equipped with the slipmat, and set up the regulation hole 11 that sets up along its length direction on it, ejector pin 2's tip and regulation hole 11 looks adaptation and slide wherein, ejector pin 2's tip runs through on adjusting seat 12, and it and adjust and rotate the setting between the seat 12.

Furthermore, the lower surfaces of the supporting rods 3 positioned at two sides are respectively welded with a connecting seat 32, one end of the linkage rod 33 is connected with the connecting seat 32 through a shaft, and the other end of the linkage rod 33 is connected with the end part of the rotating handle 31 through a shaft.

In the embodiment, firstly, the upright post 1 is vertically erected on the ground, the set screw is unscrewed, the adjusting seat 12 slides upwards (or downwards) along the upright post 1 to drive the ejector rod 2 to slide and adjust, and after the height is adjusted to a proper value, the set screw is screwed down to fix the position of the set screw and the ejector rod 2;

the bottom ends of the supporting rods 3 are in contact with the ground, the distance between the supporting rods 3 at the two sides is adjusted according to the field requirement, the electric push rod is manually pressed from the bottom to be started to drive the supporting rod 3 at the right side of the figure 3 to slide rightwards (when the distance is adjusted, the supporting rod is slid leftwards), so that the linkage rod 33 drives the rotating handle 31 to rotate, the linkage rod 33 at the other side drives the supporting rod 3 at the other side to slide towards the other side synchronously, after the electric push rod is adjusted to a proper position, the electric push rod is closed, the pedals 5 are arranged on the supporting plate 4 one by one, during installation, the baffle 6 is pressed downwards, after one end of the pedal 5 is inserted into the clamping groove in the supporting rod 3, the baffle 6 is released to be upwards bounced and is erected at the other end wall of the pedal 5, and the position of the pedal 5 is fixed; when the device is disassembled, the device can be disassembled otherwise.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A construction stair easy to disassemble and assemble comprises two upright posts (1), an ejector rod (2) and three support rods (3), and is characterized in that the end parts of the support rods (3) are installed on the ejector rod (2), a rotating handle (31) is rotatably arranged on the lower surface of the middle support rod (3) through a shaft connection, linkage rods (33) are movably connected between the other two support rods (3) and the rotating handle (31), an electric push rod is installed on the side wall of one side of the middle support rod (3), and the end part of the electric push rod is connected with the side wall of the opposite support rod (3);

a plurality of groups of triangular support plates (4) are welded on the upper surface of the support rod (3), a baffle (6) is arranged on the side wall of one side of each support plate (4) in a sliding manner, a pedal (5) is arranged on each support plate (4) at the same height, one end of each pedal (5) is inserted into the support rod (3), and the other end of each pedal is in contact with the baffle (6);

the ejector rod (2) slides between the two groups of upright posts (1) through the two groups of adjusting seats (12), and the adjusting seats (12) slide on the outer wall surface of the upright posts (1) and are fixedly connected with the outer wall surface through set screws.

2. The easy-to-dismount and mount construction stair is characterized in that the bottom end of the upright post (1) is provided with a non-slip mat, the non-slip mat is provided with an adjusting hole (11) arranged along the length direction of the upright post, and the end part of the ejector rod (2) is matched with the adjusting hole (11) and slides in the adjusting hole.

3. The easy-to-dismount construction stair is characterized in that the end of the ejector rod (2) penetrates through the adjusting seat (12) and is rotatably arranged between the ejector rod and the adjusting seat (12).

4. The construction stair easy to disassemble and assemble according to claim 1, wherein a side groove is formed in one side wall of the support plate (4), a guide shaft (41) is welded between the inner walls of the side grooves, a sliding block (61) is welded on one side wall of the baffle plate (6), and the sliding block (61) slides on the guide shaft (41).

5. The easy-to-dismount construction stair is characterized in that a spring is sleeved on the guide shaft (41), one end of the spring is welded with the bottom wall of the side groove, and the other end of the spring is in contact with the lower surface of the sliding block (61).

6. The construction stair easy to disassemble and assemble according to claim 1, wherein the lower surfaces of the support rods (3) at two sides are welded with connecting seats (32), one end of the linkage rod (33) is connected with the connecting seats (32) through a shaft, and the other end of the linkage rod (33) is connected with the end of the rotating handle (31) through a shaft.

7. The easy-to-dismount construction stair is characterized in that the support rods (3) in the middle are rotatably connected with the top rod (2), and the support rods (3) on two sides are rotatably connected with the top rod (2) and slidably connected with the top rod.