CN213245308U

CN213245308U - Stair temporary protective guard for building construction convenient to adjust

Info

Publication number: CN213245308U
Application number: CN202021769430.7U
Authority: CN
Inventors: 唐一萍
Original assignee: Jiangxi Juxinbao Precision Metal Products Co ltd
Current assignee: Jiangxi Juxinbao Precision Metal Products Co ltd
Priority date: 2020-08-23
Filing date: 2020-08-23
Publication date: 2021-05-21
Anticipated expiration: 2030-08-23

Abstract

The utility model discloses an interim rail guard of stair for construction convenient to adjust, including support column and second screw rod, support column bottom welded fastening has an upper fixed plate, and the support column intermediate junction has a first screw rod to first screw rod and rotor plate interconnect have seted up the spout on the rotor plate simultaneously, be provided with the slide bar in the spout, rotor plate and fixed fixture block interconnect, and fixed fixture block fix in the telescopic link both sides to be provided with the locking chamber on the telescopic link, the second screw rod runs through upper fixed plate and bottom plate interconnect, and second screw rod end-to-end connection has the nut. This interim rail guard of stair for construction convenient to adjust through the cooperation between a plurality of vaulting poles and the rotation axis, makes whole structure can carry out folding shrink and extension, can be applicable to the stair of different length, and the design of slope is divided to the lower fixed plate part down, and the convenience is laminated with the stair bottom surface to make whole rail guard can stabilize more and fix on stair.

Description

Stair temporary protective guard for building construction convenient to adjust

Technical Field

The utility model relates to a construction technical field specifically is an interim rail guard of stair for construction convenient to adjust.

Background

The temporary stair guard rail is a safety protection measure for stairs commonly used in the building construction process, because the part of the stairs is often a main way for conveying personnel and materials in the construction stage, and the temporary stair guard rail is a safety guarantee for the personnel to go up and down the stairs.

With the development of society and the development of a large amount of land in China, the construction of various residential office buildings is more and more extensive, and the safety of workers in construction is the most important ring, so the demand of temporary stair protective guards used in construction is higher and higher, and the traditional temporary protective guards for construction stairs are mostly formed by binding simple wood plates and are finally fixed on the stairs through expansion screws.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a temporary rail guard of stair for construction convenient to adjust to propose simple structure in solving above-mentioned background art, the security is not high and the inconvenient problem of dismouting.

In order to achieve the above object, the utility model provides a following technical scheme: a stair temporary protective guard convenient to adjust for building construction comprises a support column and a second screw rod, an upper fixing plate is welded and fixed at the bottom of the supporting column, a first screw rod is connected in the middle of the supporting column, the first screw rod is connected with the rotating plate, the rotating plate is provided with a chute, a slide bar is arranged in the chute, and a bearing is fixed on the sliding rod, the bearing is connected with the first support rod, the first support rod is connected with the first rotating shaft, the first rotating shaft is connected with the second support rod, the second rotating shaft is fixed at the tail ends of the second support rod and the first support rod, the rotating plate is connected with the fixed clamping block, the fixed clamping block is fixed at two sides of the telescopic rod, and a locking cavity is arranged on the telescopic rod, the second screw penetrates through the upper fixing plate and is connected with the lower fixing plate, and the tail end of the second screw is connected with a nut.

Preferably, the first screw rod is in threaded connection with the rotating plate, and the length of the first screw rod is greater than the thickness of the rotating plate.

Preferably, the sliding groove is connected with the sliding rod in a sliding manner, and the sliding rods are symmetrically distributed around the center of the rotating plate.

Preferably, the first support rod and the second support rod are distributed in a crossed manner through a first rotating shaft, and the first support rod and the second support rod form a rotating mechanism through a second rotating shaft in pairs.

Preferably, the fixed clamping block is in sliding connection with the rotating plate, and the fixed clamping block is of a T-shaped structure.

Preferably, the upper surface of the lower fixing plate and the upper fixing plate are distributed in parallel, and the lower surface of the lower fixing plate is distributed in an inclined manner.

Compared with the prior art, the beneficial effects of the utility model are that: this interim rail guard of stair for construction convenient to adjust through the cooperation between a plurality of vaulting poles and the rotation axis, makes whole structure can carry out folding shrink and extension, can be applicable to the stair of different length, and the design of slope is divided to the lower fixed plate part down, and the convenience is laminated with the stair bottom surface to make whole rail guard can stabilize more and fix on stair.

1. The support column passes through screw rod and rotor plate interconnect, makes the rotor plate can rotate, is the basis that whole guardrail can incline the slope to fix, and the locking of screw rod is the stable guarantee of whole device.

2. Utilize the second screw to lock upper fixed plate and bottom plate and die, guarantee that whole device can stably fix on stair.

Drawings

FIG. 1 is a schematic view of the front view structure of the support pillar of the present invention;

fig. 2 is a schematic view of a front view structure of the rotating plate of the present invention;

FIG. 3 is a schematic view of a left side sectional structure of the support pillar of the present invention;

FIG. 4 is a schematic view of the left side cross-section of the rotating plate of the present invention;

fig. 5 is a schematic top view of a cross-sectional structure of the rotating plate according to the present invention;

FIG. 6 is a schematic view of the telescopic rod of the present invention;

fig. 7 is a schematic view of the three-dimensional structure of the lower fixing plate of the present invention.

In the figure: 1. a support pillar; 2. an upper fixing plate; 3. a first screw; 4. a rotating plate; 5. a chute; 6. a slide bar; 7. a bearing; 8. a first stay bar; 9. a first rotating shaft; 10. a second stay bar; 11. a second rotation shaft; 12. fixing the fixture block; 13. a telescopic rod; 14. a locking cavity; 15. a second screw; 16. a lower fixing plate; 17. and a nut.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a stair temporary protective guard convenient to adjust for building construction comprises a support column 1, an upper fixing plate 2, a first screw rod 3, a rotating plate 4, a sliding groove 5, a sliding rod 6, a bearing 7, a first support rod 8, a first rotating shaft 9, a second support rod 10, a second rotating shaft 11, a fixed clamping block 12, a telescopic rod 13, a locking cavity 14, a second screw rod 15, a lower fixing plate 16 and a nut 17, wherein the upper fixing plate 2 is fixedly welded at the bottom of the support column 1, the first screw rod 3 is connected in the middle of the support column 1, the first screw rod 3 is mutually connected with the rotating plate 4, the sliding groove 5 is formed in the rotating plate 4, the sliding rod 6 is arranged in the sliding groove 5, the bearing 7 is fixedly arranged on the sliding rod 6, the bearing 7 is mutually connected with the first support rod 8, the first support rod 8 is mutually connected with the first rotating shaft 9, the first rotating shaft 9 is mutually connected with the second support rod 10, the second rotating shaft 11 is fixedly arranged at the tail ends of the second support, the rotating plate 4 is connected with the fixing clamping block 12, the fixing clamping block 12 is fixed on two sides of the telescopic rod 13, the telescopic rod 13 is provided with a locking cavity 14, the second screw rod 15 penetrates through the upper fixing plate 2 and is connected with the lower fixing plate 16, and the tail end of the second screw rod 15 is connected with a nut 17.

First screw rod 3 is threaded connection with rotor plate 4, and first screw rod 3 length is greater than the thickness of rotor plate 4, guarantees that rotor plate 4 and support column 1 can lock, prevents that rotor plate 4 from rotating.

The sliding groove 5 is in sliding connection with the sliding rod 6, and the sliding rod 6 is symmetrically distributed about the center of the rotating plate 4, so that the first support rod 8 and the second support rod 10 can be stretched normally.

First vaulting pole 8 and second vaulting pole 10 are cross distribution through first rotation axis 9, and constitute slewing mechanism through second rotation axis 11 between first vaulting pole 8 and the second vaulting pole 10 two liang, are the basis that whole guardrail can stretch out and draw back the adjustment.

The fixed fixture block 12 is slidably connected to the rotating plate 4, and the fixed fixture block 12 is of a "T" shaped structure, so that the telescopic rod 13 can be more stably connected to the rotating plate 4.

The upper surface of the lower fixing plate 16 and the upper fixing plate 2 are distributed in parallel, and the lower surface of the lower fixing plate 16 is distributed in an inclined mode, so that the lower fixing plate 16 can be attached to the bottom of a stair more, and the whole device is fixed more stably.

The working principle is as follows: firstly, placing a temporary guard rail folded together beside a stair needing to be provided with the guard rail, placing a support column 1 on a horizontal plane below the stair, attaching the lower surface of a lower fixing plate 16 to the bottom surface of the stair, connecting the lower fixing plate 16 with an upper fixing plate 2 fixed at the bottom of the support column 1 in a welding manner through a second screw 15, and tightening the lower fixing plate 16 and the upper fixing plate 2 through a locking nut 17 so as to fix the temporary guard rail on the stair, as shown in fig. 1;

stretching the two rotating plates 4, unfolding a first stay bar 8 and a second stay bar 10 through the matching of a chute 5, a sliding rod 6, a bearing 7, a first rotating shaft 9 and a second rotating shaft 11, enabling the rotating plates 4 and the supporting columns 1 to form a certain angle through first screws 3 to be parallel to the bottom surface of the stair, finally locking the rotating plates 4 and the supporting columns 1 through the first screws 3, and fixing the other supporting column 1 on a horizontal plane above the stair according to the principle, as shown in fig. 1;

after the fixing, the length of the telescopic rod 13 is adjusted, so that the fixed clamping blocks 12 at the two ends of the telescopic rod 13 can be clamped into the clamping grooves of the rotating plate 4, and then the locking cavity 14 is locked to complete the installation, which is the working principle of the stair temporary protective guard for building construction convenient to adjust.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a temporary stair protective guard for construction convenient to adjust, includes support column (1) and second screw rod (15), its characterized in that: an upper fixing plate (2) is fixedly welded at the bottom of the supporting column (1), a first screw (3) is connected in the middle of the supporting column (1), the first screw (3) is connected with the rotating plate (4) in an interconnecting mode, a sliding groove (5) is formed in the rotating plate (4), a sliding rod (6) is arranged in the sliding groove (5), a bearing (7) is fixed on the sliding rod (6), the bearing (7) is connected with a first supporting rod (8) in an interconnecting mode, the first supporting rod (8) is connected with a first rotating shaft (9) in an interconnecting mode, the first rotating shaft (9) is connected with a second supporting rod (10) in an interconnecting mode, a second rotating shaft (11) is fixed at the tail ends of the second supporting rod (10) and the first supporting rod (8), the rotating plate (4) is connected with a fixed clamping block (12), the fixed clamping block (12) is fixed on two sides of a telescopic rod (13), and a locking cavity (14) is arranged on the telescopic rod, the second screw (15) penetrates through the upper fixing plate (2) and the lower fixing plate (16) to be connected with each other, and the tail end of the second screw (15) is connected with a nut (17).

2. The stair temporary guard rail for building construction convenient to adjust as claimed in claim 1, wherein: the first screw rod (3) is in threaded connection with the rotating plate (4), and the length of the first screw rod (3) is larger than the thickness of the rotating plate (4).

3. The stair temporary guard rail for building construction convenient to adjust as claimed in claim 1, wherein: the sliding grooves (5) are in sliding connection with the sliding rods (6), and the sliding rods (6) are symmetrically distributed around the center of the rotating plate (4).

4. The stair temporary guard rail for building construction convenient to adjust as claimed in claim 1, wherein: the first support rods (8) and the second support rods (10) are distributed in a crossed mode through first rotating shafts (9), and the first support rods (8) and the second support rods (10) form a rotating mechanism between every two through second rotating shafts (11).

5. The stair temporary guard rail for building construction convenient to adjust as claimed in claim 1, wherein: the fixed clamping block (12) is in sliding connection with the rotating plate (4), and the fixed clamping block (12) is of a T-shaped structure.

6. The stair temporary guard rail for building construction convenient to adjust as claimed in claim 1, wherein: the upper surface of the lower fixing plate (16) and the upper fixing plate (2) are distributed in parallel, and the lower surface of the lower fixing plate (16) is distributed in an inclined mode.