CN210508316U

CN210508316U - Foldable scaffold

Info

Publication number: CN210508316U
Application number: CN201921423211.0U
Authority: CN
Inventors: 吴华东; 苏跃; 黄大荣; 金强
Original assignee: Chongqing Zhiku Zhizao Integrated Housing Co ltd
Current assignee: Chongqing Zhiku Zhizao Integrated Housing Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-05-12
Anticipated expiration: 2029-08-29

Abstract

A foldable scaffold comprises two first supporting rods which are parallel to each other, wherein one opposite sides of the two first supporting rods are connected through a cross rod perpendicular to the first supporting rods, one side of each first supporting rod is connected with two second supporting rods which can be contracted or extended relatively to each first supporting rod and are parallel to the first supporting rods through two folding mechanisms in a one-to-one correspondence mode, one side, deviating from the second supporting rods, of each first supporting rod is provided with a first sliding rail extending along the length direction of the first supporting rod, the top of each first sliding rail is communicated with a transverse sliding rail transversely arranged on the upper portion of the corresponding first supporting rod, and each first sliding rail is connected with a top plate capable of being turned over to the upper portions of the corresponding first supporting rod and the corresponding second supporting rod through a connecting piece in a sliding mode. Compared with the prior art, the utility model discloses the area of scaffold frame when not using has been reduced to the emergence of construction incident has been reduced.

Description

Foldable scaffold

Technical Field

The utility model relates to a scaffold frame field for the building, concretely relates to collapsible scaffold frame.

Background

The scaffold is a support structure adopted by construction workers in a construction site to solve the problem that the outer wall or the inner part at a higher position cannot be constructed. The most commonly used scaffold structure is a frame formed by transverse rods and longitudinal rods which are vertical to each other, but because construction workers need to stand on the frame and can walk back and forth on the frame, the scaffold is not safe in use and firm enough, collapse and other situations often occur, and casualties are easily caused. Chinese patent CN103046729A in the prior art discloses a folding scaffold, which specifically comprises a vertical ladder mechanism and a bearing platform, wherein the bearing platform comprises a first bearing platform and a second bearing platform, the outer sides of the first bearing platform and the second bearing platform are both pivoted with the ladder posts, and a locking assembly is connected between the inner sides of the first bearing platform and the second bearing platform. However, the first bearing platform and the second bearing platform of the folding scaffold are fixed by the locking assembly, and when the locking assembly fails, the first bearing platform and the second bearing platform are easy to shrink, so that safety accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a collapsible scaffold can ensure that the construction workman can be under construction safely on the scaffold, reduces area, has reduced the emergence of construction incident.

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

a foldable scaffold comprises two first supporting rods which are parallel to each other, wherein the upper portion and the lower portion of one side, opposite to the two first supporting rods, of the two first supporting rods are connected with two second supporting rods which can be contracted or expanded relatively and are parallel to the first supporting rods through two folding mechanisms respectively in a one-to-one correspondence mode, a first sliding rail extending along the length direction of the first supporting rods is arranged on one side, opposite to the second supporting rods, of the first supporting rods, the top of the first sliding rail is communicated with a transverse sliding rail transversely arranged on the upper portion of the first supporting rods, the first sliding rail is connected with a top plate capable of being turned over to the upper portions of the first supporting rods and the second supporting rods through connecting pieces in a sliding mode, and connecting clamping grooves used for being clamped with the tops of the second supporting rods are further formed in the surface, facing one side of the second supporting rods, of the top plate.

Compared with the prior art, when the scaffold is not used, the top plate is attached to one side of the first support rod provided with the first slide rail, and the folding mechanism between the second support rod and the first support rod is contracted to enable the first support rod and the second support rod to be attached to reduce the volume of the scaffold, so that the scaffold is more convenient to carry or transport when not used; when using, keeping away from first bracing piece removal with the second bracing piece earlier, until the folding mechanism between first bracing piece and the second bracing piece flare-outs, again with the roof along first slide rail rebound until sliding to first slide rail top, then overturn the roof to the one end back-off of keeping away from first bracing piece at second bracing piece top and fix at second bracing piece top through connecting slot, the construction workman can use the scaffold frame to carry out work this moment. Compared with the prior art, the utility model discloses when the roof overturns to the horizontal plane, can fix at first bracing piece and second bracing piece top steadily, can effectively reduce the probability that the incident takes place.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the top structure of the first support rod of the present invention.

Fig. 3 is a schematic structural diagram of the middle roof plate of the present invention.

Fig. 4 is a schematic structural diagram of the middle folding mechanism of the present invention.

Fig. 5 is a schematic view of a partial structure of the second support rod of the present invention.

Fig. 6 is a schematic structural view of the middle connection member of the present invention.

In the figure: the device comprises a first supporting rod 1, a first sliding rail 1-1, a transverse sliding rail 1-2, a second supporting rod 2, an accommodating groove 2-1, a groove 2-2, a rotating shaft 2-3, a top plate 3, a second sliding rail 3-1, a connecting piece 3-2, a first connecting block 3-2-1, a second connecting block 3-2-2, a first connecting shaft 3-2-3, a second connecting shaft 3-2-4, a pin shaft 3-2-5, a connecting clamping groove 3-3, a folding mechanism 4, a first connecting rod 4-1, a second connecting rod 4-2, a limiting block 4-3, a fixing shaft 4-4, a hinged shaft 4-5 and a cross rod 5.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, and specific embodiments will be given.

As shown in fig. 1-6, a foldable scaffold comprises two first supporting rods 1 parallel to each other, wherein the upper and lower parts of opposite sides of the two first supporting rods 1 are connected with each other through a cross bar 5 perpendicular to the first supporting rods 1, one side of each of the two first supporting rods 1 is further connected with two second supporting rods 2 parallel to the first supporting rods 1, which can be retracted or extended relative to each of the first supporting rods 1, through two folding mechanisms 4, respectively, one side of the first supporting rod 1 facing away from the second supporting rod 2 is provided with a first sliding track 1-1 extending along the length direction of the first supporting rod 1, the top of the first sliding track 1-1 is communicated with a transverse sliding track 1-2 transversely arranged on the upper part of the first supporting rod 1, the first sliding track 1-1 is slidably connected with a top plate 3 capable of being turned over the first supporting rod 1 and the second supporting rod 2 through a connecting member 3-2, the surface of one side of the top plate 3, which faces the second support rods 2, is further provided with connecting clamping grooves 3-3 for being clamped with the tops of the second support rods 2, when the fixing device is used, one end of the top plate 3 is buckled at the tops of the second support rods 2, and the tops of the second support rods 2 extend into the connecting clamping grooves 3-3, so that the top plate 3 and the second support rods 2 are relatively fixed. The first sliding rail 1-1 and the transverse sliding rail 1-2 are sliding grooves, the bottoms of two side walls of the first sliding rail 1-1 and the transverse sliding rail 1-2 are respectively provided with a limiting groove, the cross sections of the first sliding rail 1-1 and the transverse sliding rail 1-2 are in T shape, the joint of the first sliding rail 1-1 and the transverse sliding rail 1-2 is in arc transition, one end of the transverse sliding rail 1-2, which faces the second support rod 2, transversely penetrates through the top of the first support rod 1, but the top of one end of the transverse sliding rail 1-2, which faces the second support rod 2, does not penetrate through the top of the first support rod 1, and the connecting piece 3-2, which is arranged at the bottom of the top plate 3, is prevented.

As shown in fig. 1 and 4-5, the folding mechanism 4 includes a first connecting rod 4-1 and a second connecting rod 4-2, one end of the first connecting rod 4-1 and one end of the second connecting rod 4-2 are hinged by a hinge shaft 4-5, the hinged ends are further provided with a fixing structure for locking the hinged ends of the first connecting rod 4-1 and the second connecting rod 4-2, and the other ends of the first connecting rod 4-1 and the second connecting rod 4-2 are hinged with the first supporting rod 1 and the second supporting rod 2, respectively.

As shown in FIG. 4, the fixing structure includes two fixing shaft holes disposed at opposite ends of the first connecting rod 4-1 and the second connecting rod 4-2 and a fixing shaft 4-4 engaged with the two fixing shaft holes, the fixing shaft hole of the first connecting rod 4-1 is located between the hinged end of the first connecting rod 4-1 and the second connecting rod 4-2 and the end of the first connecting rod 4-1, the fixing shaft hole of the second connecting rod 4-2 is located between the hinged end of the first connecting rod 4-1 and the second connecting rod 4-2 and the end of the second connecting rod 4-2 facing the second supporting rod 2, and the fixing shaft hole of the first connecting rod 4-1 and the fixing shaft hole of the second connecting rod 4-2 are detachably connected by the fixing shaft 4-4. When the scaffold is needed to be used, the second support rod 2 is pulled apart relative to the first support rod 1, at the moment, the folding mechanism 4 deforms from a folding state to a pulling state, when the scaffold is pulled to the level of the first connecting rod 4-1 and the second connecting rod 4-2, the fixing shaft 4-4 is inserted into the two fixing shaft holes on the first connecting rod 4-1 and the second connecting rod 4-2 so as to fix the two connecting rods, prevent the first connecting rod 4-1 from moving to the second connecting rod 4-2, and prevent the connecting rods from rotating relative to the hinge points of the connecting rods and the support rods; when the scaffold is not used, the fixing state between the first connecting rod 4-1 and the second connecting rod 4-2 can be released only by taking the fixing shaft 4-4 out of the fixing shaft hole, and the second supporting rod 2 can be pushed towards the first supporting rod 1 to realize the retraction function of the scaffold. Further, when the first link 4-1 and the second link 4-2 are pulled apart, the opposite ends of the first link 4-1 and the second link 4-2 are hinged together in a misaligned manner with a portion thereof overlapping.

As shown in fig. 1-2 and 5, further, the cross sections of the first support rod 1 and the second support rod 2 which are matched with each other are respectively in an L shape which can be clamped with each other, an accommodating groove 2-1 for accommodating the first connecting rod 4-1 and the second connecting rod 4-2 is further respectively arranged at one side of the first support rod 1 opposite to the second support rod 2, and the end of the first connecting rod 4-1, which is deviated from the second connecting rod 4-2, is hinged at the lower part of the accommodating groove 2-1 through a rotating shaft 2-3.

As shown in fig. 3 and 6, a second slide rail 3-1 slidably connected to one end of the connecting member 3-2 away from the first slide rail 1-1 is disposed on one side of the top plate 3 facing the first slide rail 1-1. The connecting piece 3-2 comprises a first connecting shaft 3-2-3, a second connecting shaft 3-2-4, a first connecting block 3-2-1 and a second connecting block 3-2-2, the first connecting shaft 3-2-3 and the second connecting shaft 3-2-4 are parallel to each other, respectively penetrate through the first connecting block 3-2-1 and the second connecting block 3-2-2 and can rotate relative to each connecting block, two ends of the first connecting shaft 3-2-3 and the second connecting shaft 3-2-4 respectively penetrate through the first connecting block 3-2-1 and the second connecting block 3-2-2, the first connecting block 3-2-1 and the second connecting block 3-2-2 are hinged through a pin shaft 3-2-5, the pin shaft 3-2-5 is parallel to each connecting shaft, during installation, the first connecting shaft 3-2-3 penetrates through two ends of the first connecting block 3-2-1 to be respectively clamped into the T-shaped first sliding rail 1-1 and to be in sliding fit with the first connecting block, the second connecting shaft 3-2-4 penetrates through two ends of the second connecting block 3-2-2 to be respectively clamped into the second sliding rail 3-1 of the T-shaped top plate 3 and to be in sliding fit with the second sliding rail 3-1, and the top plate 3 can slide relative to the first supporting rod 1 through the connecting piece 3-2.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a collapsible scaffold, includes two first bracing pieces that are parallel to each other, and the relative one side of two first bracing pieces links to each other through the horizontal pole of the first bracing piece of perpendicular to which characterized in that: two first bracing piece one sides still are connected with two second bracing pieces that can contract or stretch out and parallel with first bracing piece relatively through two folding mechanism one-to-one respectively, one side that first bracing piece deviates from the second bracing piece is equipped with the first slide rail that extends along first bracing piece length direction, first slide rail top and the horizontal slide rail intercommunication of transversely setting on first bracing piece upper portion, first slide rail has the roof that can overturn to first bracing piece and second bracing piece top through connecting piece sliding connection, roof orientation second bracing piece side surface still is equipped with the draw-in groove that is used for with each second bracing piece top joint.

2. A collapsible scaffolding as claimed in claim 1, wherein: folding mechanism includes first connecting rod and second connecting rod, and the hinged end still is equipped with the fixed knot who is used for locking first connecting rod and second connecting rod hinged end and constructs, and first connecting rod and second connecting rod one end are articulated, and the other end of first connecting rod and second connecting rod is articulated with first bracing piece and second bracing piece respectively.

3. A collapsible scaffolding as claimed in claim 2, wherein: fixed knot constructs including setting up two fixed shaft holes and with two fixed shaft hole complex fixed axles in the one end that first connecting rod and second connecting rod are relative, fixed shaft hole on the first connecting rod is located between first connecting rod and the articulated end that the second connecting rod passes through articulated shaft connection and first connecting rod orientation second bracing piece one end tip, fixed shaft hole on the second connecting rod is located between first connecting rod and second connecting rod articulated end and second connecting rod orientation second bracing piece one end, fixed shaft hole on the first connecting rod and the fixed shaft hole on the second connecting rod pass through fixed axle detachably and connect.

4. A collapsible scaffolding according to claim 3, wherein: the first bracing piece of matched with and second bracing piece are the L shape that can block each other respectively, and the relative one side of first bracing piece and second bracing piece still is equipped with the holding tank that holds first connecting rod and second connecting rod respectively, and the one end that first connecting rod and second connecting rod deviate from mutually articulates in the holding tank lower part through the round pin axle respectively.

5. A collapsible scaffolding as claimed in claim 1, wherein: one side of the top plate facing the first slide rail is provided with a second slide rail which is connected with the connecting piece in a sliding mode and deviates from one end of the first slide rail.