CN216340549U - Novel guardrail bar is prevented in PC stair design - Google Patents

Abstract

The utility model belongs to the technical field of stair shaped protective railings, and particularly relates to a novel PC stair shaped protective railing, which comprises a stair, wherein a foot baffle plate is fixedly installed on the stair, three upright posts are contacted on the stair and uniformly distributed on the stair, a chute is formed in each upright post, a steel ball is movably connected in the chute, a connecting rod is welded on the steel ball, two spiral rings are connected on the upright posts through threads, a supporting sleeve is welded on one of the connecting rods, a threaded sleeve is rotatably connected in the supporting sleeve, and two telescopic rods are connected in the threaded sleeve through threads. According to the utility model, the support sleeve, the threaded sleeve, the telescopic rod, the sliding sleeve and other structures are arranged, the threaded sleeve and the telescopic rod are in threaded motion by rotating the threaded sleeve, so that the telescopic rod extends out of the threaded sleeve, and the cross rod of the protective railing is telescopic to adapt to stairs with different lengths.

Description

Novel guardrail bar is prevented in PC stair design

Technical Field

The utility model belongs to the technical field of stair shaped protective railings, and particularly relates to a novel PC stair shaped protective railing.

Background

The pole setting of PC stair protection railing adopts expansion bolts to implant the mode in the concrete structure, and the turnover is poor, then repairs the bolt hole, reduces stair aesthetic property, and expansion bolts is the consumables, destroys stair structure, cost increase. Mode such as the stair protection railing mainly uses steel pipe welding, is unfavorable for the environmental protection, and among the prior art, PC stair design protection railing horizontal pole length is not convenient for adjust, and simultaneously, the horizontal pole highly is not convenient for adjust on the stand, can not use in different occasions. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel PC stair shaped protective railing, which solves the problem that the length of a cross rod of the conventional novel PC stair shaped protective railing is inconvenient to adjust, and the height of the cross rod on a stand column is inconvenient to adjust.

In order to achieve the purpose, the utility model provides a novel PC stair shaped protective railing, which comprises a stair, wherein a foot baffle plate is fixedly installed on the stair, three upright posts are contacted on the stair and are uniformly distributed on the stair, each upright post is provided with a sliding groove, a steel ball is movably connected in each sliding groove, each steel ball is welded with a connecting rod, each upright post is connected with two spiral rings through threads, one of the connecting rods is welded with a supporting sleeve, the supporting sleeve is rotatably connected with a spiral sleeve in the supporting sleeve, the spiral sleeve is connected with two telescopic rods through threads, the outer side of each telescopic rod is slidably connected with a sliding sleeve, the other two connecting rods are respectively welded with sliding sleeves, the outer side of each upright post is slidably connected with a handrail, the side wall of each handrail is provided with a sliding groove, the sliding grooves are slidably connected with the upright posts, and the steel balls are welded on the upright posts, the steel ball is connected with the handrail in a sliding mode, the telescopic rod is welded with a vertical rod, and the vertical rod is connected with the sliding groove in a sliding mode.

The principle of the utility model is as follows: the device is in the installation, need be in the pre-buried entering stair of baseboard, when stair length is longer, make swivel nut and telescopic link be screw motion through rotating the swivel nut, and then make the telescopic link stretch out from the swivel nut, and then make the horizontal pole of guardrail bar scalable, in order to adapt to the stair of different length, when the clearance is less between the needs horizontal pole, it makes the spiral ring can move on the stand to make screw motion through rotating spiral ring and stand, it can drive swivel nut and telescopic link removal to drive the connecting rod removal through the spiral ring removal, and then make the height of the horizontal pole of guardrail bar adjustable on the stand, in order to adapt to different occasions.

The utility model has the beneficial effects that: by arranging the support sleeve, the threaded sleeve, the telescopic rod, the sliding sleeve and the like, the threaded sleeve and the telescopic rod are in threaded motion by rotating the threaded sleeve, so that the telescopic rod extends out of the threaded sleeve, and the cross rod of the protective railing is telescopic to adapt to stairs with different lengths;

through setting up spout, steel ball, connecting rod, spiro etc. structure, be screw motion through rotating spiro and stand and make the spiro can move on the stand, move through the spiro and drive the connecting rod and move and can drive swivel nut and telescopic link removal, and then make the height of guardrail bar adjustable on the stand to adapt to different occasions, the device is whole to be convenient for install and dismantle.

Furthermore, the foot blocking plate is in contact with the upright post, and the foot blocking plate is connected with the upright post through a screw. Through setting up the baseboard, fix the stand.

Furthermore, a convex ring is fixedly sleeved on the outer side of the connecting rod and is in contact with the spiral ring. And the friction force between the connecting rod and the spiral ring is reduced by arranging the convex ring.

Further, the lateral wall of the supporting sleeve is connected with a limiting pin through threads, an annular groove is formed in the lateral wall of the threaded sleeve, and the limiting pin is connected in the annular groove in a sliding mode. The screw sleeve and the support sleeve are connected by arranging the limit pin to be matched with the annular groove.

Further, the sliding sleeve is internally welded with a guide block, the telescopic rod is provided with a guide groove, and the guide groove is internally connected with the guide block in a sliding manner. Through setting up guide block and guide slot cooperation, lead the removal of telescopic link.

Drawings

FIG. 1 is a schematic view of a novel PC stair-shaped guard rail according to an embodiment of the present invention;

FIG. 2 is a left side view of the post of FIG. 1 of the novel PC stair-shaped guard rail of the present invention;

FIG. 3 is a cross-sectional view of the support sleeve of FIG. 1 of the novel PC stair-shaped protective rail of an embodiment of the present invention;

fig. 4 is a left side view of the sliding sleeve of fig. 1 of the novel PC stair-shaped protective rail according to the embodiment of the utility model.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the stair comprises a stair 1, a foot baffle plate 2, a stand column 3, a screw 4, a sliding groove 5, a steel ball 6, a connecting rod 7, a spiral ring 8, a convex ring 9, a supporting sleeve 10, a spiral sleeve 11, a limiting pin 12, a ring groove 13, a telescopic rod 14, a sliding sleeve 15, a guide groove 16, a guide block 17, a handrail 18, a sliding groove 19, a steel ball 20 and an upright rod 21.

As shown in fig. 1, this embodiment provides a novel guardrail bar is prevented in PC stair design, including stair 1, fixed mounting has baseboard 2 on stair 1, and baseboard 2 and stand 3 contact, baseboard 2 and stand 3 pass through screw 4 to be connected, through setting up baseboard 2, fix stand 3, and the contact has three stand 3 on stair 1, and three stand 3 evenly distributed is on stair 1.

As shown in fig. 2, each upright post 3 is provided with a sliding groove 5, a steel ball 6 is movably connected in the sliding groove 5, a connecting rod 7 is welded on the steel ball 6, the upright post 3 is connected with two spiral rings 8 through threads, a convex ring 9 is fixedly sleeved on the outer side of the connecting rod 7, the convex ring 9 is in contact with the spiral rings 8, the friction force between the connecting rod 7 and the spiral rings 8 is reduced by arranging the convex ring 9, and a support sleeve 10 is welded on one connecting rod 7.

As shown in fig. 3, a threaded sleeve 11 is rotatably connected in the support sleeve 10, a limit pin 12 is connected to the side wall of the support sleeve 10 through a thread, a circular groove 13 is formed in the side wall of the threaded sleeve 11, the limit pin 12 is slidably connected in the circular groove 13, the threaded sleeve 11 and the support sleeve 10 are connected by arranging the limit pin 12 to be matched with the circular groove 13, and two telescopic rods 14 are connected in the threaded sleeve 11 through a thread.

As shown in fig. 1 and 4, the outer side of each telescopic rod 14 is slidably connected with a sliding sleeve 15, the sliding sleeves 15 are welded on the other two connecting rods 7, guide blocks 17 are welded in the sliding sleeves 15, guide grooves 16 are formed in the telescopic rods 14, the guide blocks 17 are slidably connected in the guide grooves 16, the guide blocks 17 and the guide grooves 16 are matched through arrangement, the telescopic rods 14 are guided to move, handrails 18 are slidably connected to the outer sides of the upright posts 3, sliding grooves 19 are formed in the side walls of the handrails 18, upright posts 3 are slidably connected in the sliding grooves 19, steel balls 20 are welded on the upright posts 3, the steel balls 20 are slidably connected with the handrails 18, upright posts 21 are welded on the telescopic rods 14, the upright posts 21 are slidably connected with the sliding grooves 19, and the distance between every two adjacent upright posts 21 is 110 mm.

The specific implementation process of the utility model is as follows: when the device is installed, the foot blocking plate 2 needs to be embedded into the stair 1, when the length of the stair 1 is long, the threaded sleeve 11 and the telescopic rod 14 are in threaded motion by rotating the threaded sleeve 11, and then the telescopic rod 14 extends out of the threaded sleeve 11, so that the cross rod of the protective barrier can stretch and retract to adapt to the stairs 1 with different lengths, when a gap between the cross rods needs to be small, the threaded ring 8 can move on the upright post 3 by rotating the threaded ring 8 and the upright post 3 to move, the connecting rod 7 can be driven to move by the movement of the threaded ring 8 to drive the threaded sleeve 11 and the telescopic rod 14 to move, and then the height of the cross rod of the protective barrier can be adjusted on the upright post 3 to adapt to different occasions, and the device is convenient to install and disassemble integrally;

by arranging the supporting sleeve 10, the threaded sleeve 11, the telescopic rod 14, the sliding sleeve 15 and other structures, the threaded sleeve 11 and the telescopic rod 14 are in threaded motion by rotating the threaded sleeve 11, so that the telescopic rod 14 extends out of the threaded sleeve 11, and the cross rod of the protective barrier can extend and retract to adapt to stairs 1 with different lengths;

through setting up spout 5, steel ball 6, connecting rod 7, spiro ring 8 isotructures, be screw motion through rotating spiro ring 8 and stand 3 and make spiro ring 8 can move on stand 3, move through spiro ring 8 and drive connecting rod 7 and remove and can drive swivel nut 11 and telescopic link 14 and remove, and then make the height of guardrail bar's horizontal pole adjustable on stand 3 to adapt to different occasions, the device is whole to be convenient for install and dismantle.

It should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used broadly in the present invention, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (5)

1. The utility model provides a novel railing is prevented in PC stair design, includes stair, its characterized in that: the stair is fixedly provided with a foot blocking plate, the stair is contacted with three upright posts which are uniformly distributed on the stair, each upright post is provided with a sliding groove, the inside of the chute is movably connected with a steel ball, the steel ball is welded with a connecting rod, the upright post is connected with two spiral rings through threads, wherein a supporting sleeve is welded on one of the connecting rods, a threaded sleeve is rotationally connected in the supporting sleeve, two telescopic rods are connected in the threaded sleeve through threads, a sliding sleeve is slidably connected on the outer side of each telescopic rod, sliding sleeves are welded on the other two connecting rods, handrails are connected with the outer sides of the upright posts in a sliding manner, sliding grooves are formed in the side walls of the handrails, the telescopic handle is characterized in that an upright post is connected in the sliding groove in a sliding mode, steel balls are welded on the upright post, the steel balls are connected with the handrail in a sliding mode, a vertical rod is welded on the telescopic rod, and the vertical rod is connected with the sliding groove in a sliding mode.

2. The novel PC stair-shaped protective rail according to claim 1, wherein: the foot blocking plate is in contact with the upright post, and the foot blocking plate is connected with the upright post through a screw.

3. The novel PC stair-shaped protective rail according to claim 1, wherein: and a convex ring is fixedly sleeved on the outer side of the connecting rod and is in contact with the spiral ring.

4. The novel PC stair-shaped protective rail according to claim 1, wherein: the lateral wall of supporting the cover has the spacer pin through threaded connection, the annular has been seted up to the lateral wall of swivel nut, sliding connection has the spacer pin in the annular.

5. The novel PC stair-shaped protective rail according to claim 1, wherein: the sliding sleeve is internally welded with a guide block, the telescopic rod is provided with a guide groove, and the guide groove is internally connected with the guide block in a sliding manner.

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