CN218643714U

CN218643714U - Temporary stair railing for building construction

Info

Publication number: CN218643714U
Application number: CN202223368742.9U
Authority: CN
Inventors: 祝磊; 肖露; 吴玲; 毕功华; 王东红
Original assignee: Hefei University
Current assignee: Hefei University
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-03-17
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a stair railing of interim usefulness of construction belongs to stair railing technical field, including the installation piece, seted up a plurality of holes of accomodating on the installation piece, a plurality of hole bottom intercommunications of accomodating have the same chamber that removes, remove intracavity fixedly connected with servo motor, servo motor's output fixedly connected with output shaft accomodates the downthehole inside wall and rotates and be connected with the extension axle, and the lateral wall that extends the axle is connected with and extends a section of thick bamboo, and the left and right sides that extends a section of thick bamboo has all been seted up and has been rotated the mouth. This scheme can drive a plurality of extension axles simultaneously through the servo motor who sets up and rotate for extend a section of thick bamboo and can shift up, can accelerate the formation of railing, and through the rotor plate that sets up, can be when extending a section of thick bamboo and shift up, make two rotor plates rotate to relative both sides respectively, form the railing under the effect of a plurality of rotor plates, and can accomodate when the railing does not use and enter into the mounting block in, accelerate the speed of accomodating of railing.

Description

Temporary stair railing for building construction

Technical Field

The utility model relates to a stair railing technical field especially relates to a stair railing of construction interim usefulness.

Background

The stair handrail is a supporting rod of a stair guardrail, in the building construction process, after the building body pouring work is finished, decoration and finishing work cannot be carried out immediately, so that the building body handrail cannot be installed, temporary stair handrails are basically set in consideration of safety of constructors, most of the conventional stair handrails are relatively coarse in technology and are formed by using a plurality of steel pipes for temporary binding, the stair handrail constructed in the mode is poor in safety, crude in appearance and difficult to reuse, the binding process is long in operation time, the installation is slow, and the dismantling is troublesome;

aiming at the defects of the conventional stair handrail, the stair handrail for temporary building construction is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art most technique of stair railing and being more crude, using several steel pipes to carry out interim ligature and constituting, the stair railing security that this kind of mode found is poor, and the outward appearance is simple and crude, is difficult to reuse moreover, and ligature process operating time is long, installs slowly, and comparatively trouble problem when demolising, and the temporary stair railing of using of a building construction that provides.

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

the utility model provides a stair railing that construction was used temporarily, includes the installation piece, it a plurality of holes of accomodating, a plurality of to have seted up on the installation piece accomodate hole bottom intercommunication has same removal chamber, remove intracavity fixedly connected with servo motor, servo motor's output fixedly connected with output shaft, it rotates and is connected with the extension axle to accomodate downthehole wall, the lateral wall that extends the axle is connected with and extends a section of thick bamboo, the left and right sides that extends a section of thick bamboo has all been seted up and has been rotated the mouth, rotate the intraoral rotor plate that is equipped with, the lateral wall that extends a section of thick bamboo is equipped with spacing ring, spacing ring and extension are connected between the axle.

Preferably, a first bevel gear is fixedly connected to the outer side wall of the output shaft, a second bevel gear is fixedly connected to the outer side wall of the extension shaft, and the first bevel gear and the second bevel gear are in meshed connection.

Preferably, sliding connection between an extension section of thick bamboo and the hole inside wall of accomodating, a first internal thread has been seted up to the inside wall of an extension section of thick bamboo, a first external screw thread has been seted up to the lateral wall of extending the axle, threaded connection between a first internal thread and the first external screw thread.

Preferably, a sliding opening is formed in the extension cylinder, the inner side wall of the sliding opening is connected with a sliding frame in a sliding mode, a lifting ring is fixedly connected onto the sliding frame, a second internal thread is formed in the inner side wall of the lifting ring, a fixed shaft is fixedly connected to the top of the extension shaft, a second external thread is formed in the outer side wall of the fixed shaft, and the second external thread is in threaded connection with the second internal thread.

Preferably, the thread pitch of the first external thread is smaller than that of the second external thread, and the sliding frame is fixedly connected with the limiting ring.

Preferably, two be equipped with the installation rack between the rotor plate, two equal fixedly connected with in one side relative of rotor plate rotates half-gear, two rotate half-gear all with the meshing between the installation rack and be connected, be equipped with the telescopic link between the interior top of installation rack and extension section of thick bamboo, telescopic link lateral wall cover is equipped with fixed spring.

Preferably, the rotating plate is rotatably connected with the inner side wall of the rotating port.

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

1. this scheme can drive a plurality of extension axles simultaneously and rotate through the servo motor who sets up for an extension section of thick bamboo can shift up, can accelerate the formation of railing.

2. This scheme can be when the extension section of thick bamboo shifts up through the rotor plate that sets up for two rotor plates rotate to relative both sides respectively, form the railing under the effect of a plurality of rotor plates, and can accomodate when the railing does not use and enter into in the installation piece, accelerate the speed of accomodating of railing.

Drawings

Fig. 1 is a schematic perspective view of a temporary stair railing for building construction according to the present invention;

fig. 2 is a cross-sectional view of an extension tube in a temporary stair railing for building construction according to the present invention;

fig. 3 is a schematic structural view of a fixing shaft in a stair railing for temporary use in building construction according to the present invention;

fig. 4 is a schematic structural view of a sliding port in a temporary stair railing for building construction.

In the figure: 1. mounting a block; 2. a moving chamber; 3. a servo motor; 4. an output shaft; 5. an extension shaft; 6. an extension cylinder; 7. a rotating plate; 8. mounting a rack; 9. fixing the spring; 10. a limiting ring; 11. a fixed shaft; 12. a carriage; 13. a sliding port; 14. rotating the half gear; 15. a lifting ring.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

Example one

Referring to fig. 1-2, a temporary stair handrail for building construction comprises an installation block 1, wherein a plurality of accommodating holes are formed in the installation block 1, the bottoms of the accommodating holes are communicated with a moving cavity 2, a servo motor 3 is fixedly connected in the moving cavity 2, an output shaft 4 is fixedly connected to the output end of the servo motor 3, a first bevel gear is fixedly connected to the outer side wall of the output shaft 4, a second bevel gear is fixedly connected to the outer side wall of an extension shaft 5, and the first bevel gear and the second bevel gear are in meshing connection;

the inner side wall of the accommodating hole is rotatably connected with an extending shaft 5, the outer side wall of the extending shaft 5 is connected with an extending cylinder 6, the left side and the right side of the extending cylinder 6 are both provided with rotating ports, a rotating plate 7 is arranged in each rotating port, the rotating plate 7 is rotatably connected with the inner side wall of each rotating port, the extending cylinder 6 is in sliding connection with the inner side wall of the accommodating hole, the inner side wall of the extending cylinder 6 is provided with a first internal thread, the outer side wall of the extending shaft 5 is provided with a first external thread, and the first internal thread is in threaded connection with the first external thread;

it should be noted that: servo motor 3 can drive output shaft 4 and carry out forward rotation and antiport, and servo motor 3 is prior art, does not do too much repeated here, when output shaft 4 forward rotation, can make extension section of thick bamboo 6 move up under the effect of first internal thread and first external screw thread.

Second embodiment based on the first embodiment

Referring to fig. 3-4, a sliding opening 13 is formed in the extension cylinder 6, a sliding frame 12 is slidably connected to the inner side wall of the sliding opening 13, a lifting ring 15 is fixedly connected to the sliding frame 12, a second internal thread is formed in the inner side wall of the lifting ring 15, a fixed shaft 11 is fixedly connected to the top of the extension shaft 5, a second external thread is formed in the outer side wall of the fixed shaft 11, the second external thread is in threaded connection with the second internal thread, the thread pitch of the first external thread is smaller than that of the second external thread, and the sliding frame 12 is fixedly connected with the limit ring 10;

the lateral wall that extends a section of thick bamboo 6 is equipped with spacing ring 10, is connected between spacing ring 10 and the extension axle 5, is equipped with installation rack 8 between two rotor plates 7, and the equal fixedly connected with in relative one side of two rotor plates 7 rotates half-gear 14, and two rotate half-gear 14 all with install and mesh between the rack 8 and be connected, install rack 8 and extend and be equipped with the telescopic link between the interior top of a section of thick bamboo 6, telescopic link lateral wall cover is equipped with fixed spring 9.

It should be noted that: because the thread pitch of the first external thread is smaller than the thread pitch of the second external thread, when the extension shaft 5 and the fixed shaft 11 rotate synchronously, the upward moving speed of the limit ring 10 is faster than that of the extension cylinder 6, and when the limit ring 10 is separated from the two rotating plates 7, the two rotating plates 7 can rotate relatively to form a handrail under the action of the rotating plates 7 and the extension cylinder 6.

The utility model discloses when using, through controlling servo motor 3, make output shaft 4 can forward rotation, and then make extension axle 5 rotate under the effect of first bevel gear and second bevel gear, make extension section of thick bamboo 6 shift up under the effect of first internal thread and first external screw thread, and under the effect of fixed axle 11, the upper reaches speed ratio of spacing ring 10 is fast than the upper reaches speed of extension section of thick bamboo 6, when spacing ring 10 breaks away from with two rotor plates 7, can make two relative rotations of rotor plate 7 under the effect of fixed spring 9, make between a plurality of rotor plates 7 offset under the effect of a plurality of extension section of thick bamboos 6, thereby form the railing, and when output shaft 4 reverses, can make extension section of thick bamboo 6 move down, and the lower speed ratio of spacing ring 10 can be fast than the lower speed of extension section of thick bamboo 6, can make two rotor plates 7 can rotate and enter into the rotor mouth, when output shaft 4 continues to reverse, the storage can make extension section of thick bamboo 6 take in entering into the storage hole, accomplish the completion to the railing.

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. The utility model provides a stair railing that construction was used temporarily, includes installation piece (1), its characterized in that, a plurality of holes of accomodating have been seted up on installation piece (1), and is a plurality of accomodate hole bottom intercommunication has same removal chamber (2), remove fixedly connected with servo motor (3) in chamber (2), the output end fixedly connected with output shaft (4) of servo motor (3), accomodate downthehole side wall and rotate and be connected with extension axle (5), the lateral wall that extends axle (5) is connected with and extends a section of thick bamboo (6), the mouth has all been seted up to rotate to the left and right sides that extends a section of thick bamboo (6), be equipped with rotor plate (7) in the rotation mouth, the lateral wall that extends a section of thick bamboo (6) is equipped with spacing ring (10), spacing ring (10) and extend and be connected between axle (5).

2. The temporary stair handrail for building construction according to claim 1, wherein a first bevel gear is fixedly connected to the outer side wall of the output shaft (4), a second bevel gear is fixedly connected to the outer side wall of the extension shaft (5), and the first bevel gear and the second bevel gear are in meshed connection.

3. The stair railing according to claim 1, wherein the extension cylinder (6) is slidably connected with the inner side wall of the receiving hole, the inner side wall of the extension cylinder (6) is provided with a first internal thread, the outer side wall of the extension shaft (5) is provided with a first external thread, and the first internal thread is in threaded connection with the first external thread.

4. A temporary stair railing according to claim 3, wherein the extension cylinder (6) is provided with a sliding opening (13), the inner side wall of the sliding opening (13) is slidably connected with a sliding frame (12), the sliding frame (12) is fixedly connected with a lifting ring (15), the inner side wall of the lifting ring (15) is provided with a second internal thread, the top of the extension shaft (5) is fixedly connected with a fixed shaft (11), the outer side wall of the fixed shaft (11) is provided with a second external thread, and the second external thread is in threaded connection with the second internal thread.

5. A temporary stair railing for building construction according to claim 4, wherein the pitch of the first external thread is smaller than the pitch of the second external thread, and the carriage (12) is fixedly connected with the stop ring (10).

6. The stair railing according to claim 1, wherein a mounting rack (8) is arranged between the two rotating plates (7), a rotating half gear (14) is fixedly connected to one side of each of the two rotating plates (7), the two rotating half gears (14) are meshed with the mounting rack (8), a telescopic rod is arranged between the mounting rack (8) and the inner top of the extension cylinder (6), and a fixing spring (9) is sleeved on the outer side wall of the telescopic rod.

7. A temporary stair railing for building construction according to claim 1 characterised in that the swivel plate (7) is in swivel connection with the inner side wall of the swivel opening.