CN213539788U - Assembled stair temporary handrail - Google Patents

Abstract

The utility model provides a temporary handrail of assembled stair, relates to assembly type building technical field, especially relates to a fixed temporary handrail of assembled stair of exempting from to punch. The bottom of the upright post is provided with a fixing device, and the upright post comprises a middle upright post and a side upright post; the middle upright post is provided with a middle cross rod, and the side upright post is provided with a side cross rod; connecting holes are formed in two ends of the middle cross rod, a spring pin matched with the connecting holes is arranged at one end of the side cross rod, and the side cross rod is sleeved on the middle cross rod; fixing device includes dead lever, fixation clamp, fixing bolt and fixation nut, and the upper end of dead lever and the bottom of stand are by the spring catch and the connecting hole swing joint of mutual adaptation, and the lower extreme of dead lever is provided with the fixation clamp, fixation clamp and assembled stair looks adaptation, and the lower extreme of fixation clamp is provided with the fixing bolt and the fixation nut of mutual adaptation. The utility model discloses have the protection stair surface, need not to punch fixedly, avoid the stair surface to destroy, easy dismounting, the positive effect of the transportation of being convenient for.

Description

Assembled stair temporary handrail

Technical Field

The utility model relates to an assembly type structure handrail technical field especially relates to an exempt from to punch interim handrail of assembled stair fixed, with adjustable length.

Background

The assembled stairway has become the mainstream of the development of the building industry due to the advantages of shortening the construction period, reducing the cost, ensuring the quality of the building, saving energy and resources, reducing construction waste and the like. The assembled stair railing is generally installed after the assembled building construction is completed, but in the construction process, workers need to use tools and equipment for transporting stairs without the assembled stair railing, and great potential safety hazards exist. At present, the mode of generally adopting the interim handrail of installation to protect temporarily, but the current interim handrail of assembled stair adopts and punches on the stair earlier, then fixes the mounting means on the stair with the protection horizontal pole through the bolt. The surface of the stair is seriously damaged by the installation mode, and subsequent decoration construction is influenced. Meanwhile, the existing assembled stair temporary handrail is inconvenient to transport.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interim handrail of assembled stair to it is fixed to reach to need not to punch, and protection stair surface avoids the stair surface to destroy, and length-adjustable simultaneously is convenient for the purpose of transportation.

The utility model provides an assembly type stair temporary handrail, including stand and the horizontal pole of being connected with it, the stand sets up with assembly type stair are perpendicular, the inclination of horizontal pole and the slope looks adaptation of assembly type stair, its characterized in that, the bottom of stand is provided with fixing device, the stand includes middle standing pillar and side stand; the middle upright post is provided with a middle cross rod, and the side upright post is provided with a side cross rod; connecting holes are formed in the two ends of the middle cross rod, a spring pin matched with the connecting holes is arranged at one end of the side cross rod, and the side cross rod is sleeved on the middle cross rod; fixing device includes dead lever, fixation clamp, fixing bolt and fixation nut, and the upper end of dead lever and the bottom of stand are by the spring catch and the connecting hole swing joint of mutual adaptation, and the lower extreme of dead lever is provided with the fixation clamp, fixation clamp and assembled stair looks adaptation, and the lower extreme of fixation clamp is provided with the fixing bolt and the fixation nut of mutual adaptation.

Furthermore, the front end of the side cross rod is provided with a connection bent pipe matched with the corner of the assembled stair.

Furthermore, the connection elbow and the side cross rod are movably connected through a spring pin and a connecting hole which are mutually matched.

Furthermore, the connecting bent pipe is formed by bending a steel pipe with the phi of 25 multiplied by 1.0 in a surrounding way.

Further, the upright posts and the cross rods are connected through bolts and nuts which are matched with each other.

Further, the fixing nut is a butterfly nut.

Further, a washer is arranged between the fixing bolt and the fixing nut.

Further, a gasket is arranged in the fixing clamp.

The utility model provides an interim handrail of assembled stair compares with the interim handrail of current stair, and its innovation point and beneficial effect mainly embody in following aspect:

1. the bottom of stand is provided with fixing device, fixing device includes the dead lever, the fixation clamp, fixing bolt and fixation nut, the lower extreme of dead lever is provided with the fixation clamp, fixation clamp and assembled stair looks adaptation, the lower extreme of fixation clamp is provided with the fixing bolt and the fixation nut of mutual adaptation, put the fixation clamp card at the side of assembled stair, tighten fixing bolt and fixation nut, alright fix the fixation clamp at the side of assembled stair, and need not to punch fixedly, avoid stair surface destruction. When needs demolish the interim handrail of stair, only need unscrew fixing bolt and fixation nut, alright dismantle the fixation clamp from the side of assembled stair, and then dismantle stand and horizontal pole, can not influence follow-up fitment construction.

2. The both ends of middle horizontal pole are provided with the connecting hole, and the one end of side horizontal pole is provided with the spring catch with connecting hole looks adaptation, and middle horizontal pole and side horizontal pole can be through the spring catch and the connecting hole fast assembly and the dismantlement of mutual adaptation. The upper end of the fixed rod is movably connected with the bottom of the upright column through the spring pin and the connecting hole which are mutually matched, so that the upright column and the fixing device can be quickly assembled and disassembled.

3. The both ends of middle horizontal pole are provided with a plurality of connecting holes, can adjust the length of whole horizontal pole through fixed different connecting holes to be applicable to different assembled stairs.

4. The side horizontal pole suit can shorten the length of horizontal pole on middle horizontal pole, reduces the transportation size, convenient transportation.

Therefore, the utility model discloses have the protection stair surface, need not to punch fixedly, avoid the destruction of stair surface, easy dismounting, length adjustable simultaneously, the positive effect of the transportation of being convenient for.

Drawings

The accompanying drawings partially disclose embodiments of the present invention, in which,

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the middle upright post of the present invention;

fig. 3 is a schematic structural view of the side upright of the present invention;

fig. 4 is a schematic structural view of the fixing device of the present invention;

fig. 5 is a schematic structural view of the connecting elbow pipe of the present invention;

fig. 6 is a schematic structural view of the spring pin of the present invention;

fig. 7 is a schematic structural view of the fixing bolt and the fixing nut of the present invention;

fig. 8 is a use state diagram of the present invention.

Detailed Description

As shown in fig. 1-7, the temporary handrail for assembled stairs provided by the present invention comprises a vertical column 1 and a cross bar 2 connected with the vertical column, wherein the vertical column 1 is perpendicular to the assembled stairs, the inclination angle of the cross bar 2 is adapted to the gradient of the assembled stairs, a fixing device 3 is arranged at the bottom of the vertical column 1, and the vertical column 1 comprises a middle vertical column 11 and a side vertical column 12; the middle upright post 11 is provided with a middle cross bar 21, and the side upright post 12 is provided with a side cross bar 22; two ends of the middle cross bar 21 are provided with connecting holes 23, one end of the side cross bar 22 is provided with a spring pin 24 matched with the connecting holes 23, and the side cross bar 22 is sleeved on the middle cross bar 21; fixing device includes dead lever 31, fixation clamp 32, fixing bolt 33 and fixation nut 34, and the upper end of dead lever 31 and the bottom of stand 1 are by the spring catch and the connecting hole swing joint of mutual adaptation, and the lower extreme of dead lever 31 is provided with fixation clamp 32, fixation clamp 32 and assembled stair looks adaptation, and the lower extreme of fixation clamp 32 is provided with fixing bolt 33 and the fixation nut 34 of mutual adaptation.

As shown in fig. 8, the utility model discloses when using, at first, fixation clamp 32 and assembled stair looks adaptation, the lower extreme of fixation clamp 32 is provided with slope form base, and slope form base is unanimous with assembled stair's the slope, and the upper end of fixation clamp 32 is unanimous with assembled stair's horizontal stair face. Because assembled stair surface mounting has the guard plate, consequently, place the upper end of fixation clamp 32 on the guard plate of the upper end horizontal stair face of assembled stair, the lower extreme of fixation clamp 32 is placed on assembled stair lower extreme domatic, just puts the side of assembled stair with fixation clamp 32 card, screws up fixing bolt 33 and fixation nut 34, alright fix fixing device 3 at the side of assembled stair, and need not to punch fixedly, avoids stair surface destruction.

Then, the bottom parts of the middle upright post 11 and the side upright post 12 are fixed on the upper end of the fixing rod 31 of the fixing device 3 by the mutually matched spring pin and the connecting hole. The coupling holes 23 of both ends of the middle rail 21 and the spring pins 24 of the side rails 22 are fitted to each other. The both ends of middle horizontal pole are provided with a plurality of connecting holes, can adjust the length of whole horizontal pole through fixed different connecting holes to be applicable to different assembled stairs. Operate in proper order, fix stand 1 and horizontal pole 2 at the side of assembled stair, carry out interim safety protection.

Finally, when the temporary handrail of the stair needs to be dismantled, the fixing device 3 can be dismantled from the side edge of the fabricated stair only by loosening the fixing bolt 33 and the fixing nut 34, and then the upright posts 1 and the cross rods 2 are dismantled, so that subsequent decoration construction cannot be influenced. The side cross rods are sleeved on the middle cross rod, the length of the side cross rods is adjusted, the length of the side cross rods can be shortened, the transportation size is reduced, and transportation is facilitated.

As shown in fig. 5, the front end of the side rail 22 is provided with a joint elbow 4 adapted to the corner of the prefabricated staircase, so as to temporarily protect the corner of the prefabricated staircase. The connecting elbow 4 and the side cross rod 22 are movably connected through mutually adaptive spring pins and connecting holes, so that the rapid assembly and disassembly can be realized. The corner of the fabricated stair is provided with a fence connecting bent pipe 4, the connecting bent pipe 4 is formed by bending a steel pipe with the diameter of 25 multiplied by 1.0, the bearing capacity and the strength of the connecting bent pipe meet the relevant requirements, and temporary protection can be performed.

The upright column 1 and the cross rod 2 are connected by mutually matched bolts and nuts, so that the upright column 1 and the cross rod 2 can be quickly assembled and disassembled.

As shown in fig. 7, the fixing nut 34 is a wing nut, which facilitates the tightening of the fixing bolt 33 and the fixing nut 34, and fixes the fixing device 3 on the side of the fabricated stairway without the need of drilling and fixing, thereby avoiding the damage to the surface of the stairway. A washer 35 is provided between the fixing bolt 33 and the fixing nut 34. The gasket 35 is a flat metal ring, can disperse the pressure of the nut, and is used for protecting the surfaces of the fixing clip 32 and the assembled stair from being scratched by the nut, so that the surface damage of the stair is effectively avoided, and the surface of the stair is protected.

A washer is provided in the fixing clip 32. The gasket is rubber pads, felt cloth, sponge and the like which are paved on the inner side of the fixing clamp 32, so that the fixing clamp 32 can be further prevented from damaging the surface of the stair, and the surface of the stair is protected.

Claims (8)

1. An assembled stair temporary handrail comprises a stand column (1) and a cross rod (2) connected with the stand column, wherein the stand column (1) is perpendicular to the assembled stair, the inclination angle of the cross rod (2) is matched with the gradient of the assembled stair, and the assembled stair temporary handrail is characterized in that a fixing device (3) is arranged at the bottom of the stand column (1), and the stand column (1) comprises a middle stand column (11) and side stand columns (12); a middle cross bar (21) is arranged on the middle upright post (11), and a side cross bar (22) is arranged on the side upright post (12); connecting holes (23) are formed in the two ends of the middle cross rod (21), a spring pin (24) matched with the connecting holes (23) is arranged at one end of the side cross rod (22), and the side cross rod (22) is sleeved on the middle cross rod (21); the fixing device comprises a fixing rod (31), a fixing clamp (32), a fixing bolt (33) and a fixing nut (34), the upper end of the fixing rod (31) is movably connected with the bottom of the upright post (1) through a spring pin and a connecting hole which are mutually adaptive, the lower end of the fixing rod (31) is provided with the fixing clamp (32), the fixing clamp (32) is adaptive to the assembled stair, and the lower end of the fixing clamp (32) is provided with the fixing bolt (33) and the fixing nut (34) which are mutually adaptive.

2. The fabricated stair temporary handrail of claim 1, wherein the front end of the side rail (22) is provided with an engagement elbow (4) adapted to a corner of a fabricated stair.

3. The fabricated stair temporary handrail of claim 2, wherein the engagement elbows (4) and the side rails (22) are movably connected by mutually adapted spring pins and connection holes.

4. The fabricated stair temporary handrail of claim 3, wherein the engagement elbow is formed by wrap bending of a phi 25 x 1.0 steel tube.

5. The fabricated stair temporary handrail according to claim 1, characterized in that the uprights (1) and the cross bar (2) are connected by mutually adapted bolts and nuts.

6. The fabricated stair temporary handrail of claim 1, wherein the fixing nut (34) is a wing nut.

7. The fabricated stair temporary handrail of claim 1, wherein a washer is provided between the fixing bolt (33) and the fixing nut (34).

8. The fabricated stair temporary handrail of claim 1, wherein a shim is disposed within the fixing clip (32).

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