CN210263852U

CN210263852U - Foldable scaffold

Info

Publication number: CN210263852U
Application number: CN201921033530.0U
Authority: CN
Inventors: 许大荣; 谢友灼; 陈东
Original assignee: Jussen Construction Engineering Co ltd
Current assignee: Jussen Construction Engineering Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-04-07
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a foldable scaffold, which comprises a support plate and four upright posts; the supporting plate comprises two symmetrical long side surfaces and two symmetrical short side surfaces, and two ends of each short side surface of the supporting plate are respectively provided with an upright column correspondingly; the side wall of the upright post is provided with a sliding rail penetrating through two sides from top to bottom, and the top of the sliding rail is provided with a stepped groove; the short side surfaces of the supporting plate are provided with square holes corresponding to the positions of the upright posts, and stretchable sliding rods are connected in the square holes; the sliding rod comprises a boss matched with the square groove, a first cylinder matched with the circular groove and a second cylinder, the boss is fixedly connected with the first cylinder, and the first cylinder is fixedly connected with the second cylinder; the slide bar is provided with a retention device for preventing the slide bar from rotating in the square hole; when the boss slides away from the square groove along with the slide bar, the first cylinder and the circular groove form a rotating structure; when the first cylinder slides away from the circular groove along with the sliding rod, the second cylinder and the sliding rail form sliding connection. Adopt the utility model discloses can realize that the scaffold frame is collapsible, conveniently deposit and transport.

Description

Foldable scaffold

Technical Field

The utility model relates to a construction scaffold frame especially relates to a folding scaffold frame.

Background

At present, scaffolds used for building construction and house decoration are formed by simply splicing a plurality of support frames and support plates, and then people stand on the support plates for construction.

Chinese patent document with grant publication number CN204126235U among the prior art discloses a scaffold, which comprises a body, four corners of body are equipped with vertical branch, and body both sides face is equipped with the horizontal pole, the branch of body side is connected to the horizontal pole, the two sides are equipped with the crossbar around the body, the crossbar is connected the branch of body front and back, body upper portion is equipped with the platform, and the body below is equipped with the bracket.

The above prior art solutions have the following drawbacks: due to the excessive bulk of such scaffolding, its storage becomes a difficult problem after use and is inconvenient to transport.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a folding scaffold frame, it can realize folding, has reduced occupation space, conveniently deposits and transports.

The above object of the present invention can be achieved by the following technical solutions:

a foldable scaffold comprises a supporting plate and four upright posts; the supporting plate comprises two symmetrical long side surfaces and two symmetrical short side surfaces, and two ends of each short side surface of the supporting plate are respectively provided with an upright column correspondingly; the side wall of the upright post is provided with a sliding rail penetrating through two sides from top to bottom, the top of the sliding rail is provided with a stepped groove, the width of the stepped groove is greater than that of the sliding rail, the stepped groove is divided into a square groove and a circular groove, and the width of the square groove is greater than the diameter of the circular groove; the short side surfaces of the supporting plate are provided with square holes corresponding to the positions of the upright posts, and stretchable sliding rods are connected in the square holes; the sliding rod comprises a boss matched with the square groove, a first cylinder matched with the circular groove and a second cylinder, the boss is fixedly connected with the first cylinder, and the first cylinder is fixedly connected with the second cylinder; the slide bar is of a stepped structure, a boss and a first cylindrical part of the slide bar can be embedded into the stepped groove, and a retention device for preventing the slide bar from rotating is arranged in the square hole of the slide bar; when the boss slides away from the square groove along with the sliding rod, the first cylinder and the circular groove form a rotating structure; when the first cylinder slides away from the circular groove along with the sliding rod, the second cylinder and the sliding rail form sliding connection.

By adopting the technical scheme, the supporting plate is fixed in the four upright square grooves at the same horizontal height through the bosses on the sliding rods; the device for preventing the slide bar from rotating in the square hole can prevent the slide bar from rotating; when the scaffold is required to be folded, the sliding rods embedded in the stepped grooves at the tops of the two stand columns at the same end of the two short side surfaces of the supporting plate are horizontally stretched outwards, so that the boss parts of the sliding rods are completely separated from the square grooves of the stand columns, and the first cylindrical part penetrates through the whole stepped groove, so that the supporting plate rotates up and down by taking the first cylindrical as an axis; through to keeping away from the boss of the short side of backup pad horizontal direction tensile backup pad two slide bars of the other end, make boss and first cylinder part thoroughly leave the position of the interior top square groove of stand slide rail, then the slide bar passes through the downward slip of second cylinder part in the slide rail of stand for the backup pad rotates downwards along the slide rail, realizes the folding of scaffold frame.

The utility model discloses further set up to: the stand is provided with along slide rail from the top down with the same and the same a plurality of ladder grooves in interval of top ladder groove size.

By adopting the technical scheme, when each slide bar embedded into the square groove with the same horizontal height of the upright post is outwards stretched to the position where the boss and the first cylindrical part of the slide bar are completely separated from the square groove, the slide bar moves upwards or downwards to the square groove with the same height along the slide rail at the same time, and then the boss and the first cylinder of the slide bar are fixed again to move into the stepped groove with the height, so that the height of the support frame can be adjusted.

The utility model discloses further set up to: the retention device is a square seat which is arranged in the square hole and is in threaded connection with the second cylinder, limiting rods used for limiting the square seat to slide out of the square hole are arranged on the upper end face and the lower end face of the supporting plate in a penetrating mode, and the limiting rods are located at the front end of the square hole.

Through adopting above-mentioned technical scheme, the square seat can effectually prevent that the slide bar from rotating, through gag lever post restriction square seat roll-off square hole, can effectually prevent that the slide bar is whole to break away from the square hole of backup pad under the pulling force effect.

The utility model discloses further set up to: the boss, the first cylinder and the second cylinder are of an integrally formed structure.

Through adopting above-mentioned technical scheme, because boss, first cylinder and second cylinder are integrated into one piece structure, can improve the convenience of processing, reduce the processing cost.

The utility model discloses further set up to: and two upright posts which are positioned at the same end of the two short side surfaces of the supporting plate are fixedly connected with a cross rod.

Through adopting above-mentioned technical scheme, can fix the distance between two stands through the crossbar, it is stable to increase the scaffold, is difficult for taking place to warp in the use.

The utility model discloses further set up to: the bottom of every stand all is provided with the universal wheel, and every universal wheel all is provided with brake equipment.

Through adopting above-mentioned technical scheme for the scaffold can change the position of scaffold through removing in the work progress, and brake equipment can be fixed when the scaffold removes to required position, makes workman convenience more in the use.

The utility model discloses further set up to: the limiting rod is connected in the supporting plate in a threaded mode.

Through adopting above-mentioned technical scheme, through threaded connection in supporting, can improve the stability of gag lever post.

The utility model discloses further set up to: the handle is arranged on the boss and is arranged on the end face of the outer side of the boss, which is far away from the supporting plate.

Through adopting above-mentioned technical scheme for when folding tripod or adjust the backup pad height, the convenient and fast that the pulling slide bar becomes, easy operation.

To sum up, the utility model discloses a beneficial technological effect does:

can realize the folding of scaffold frame, make things convenient for depositing of scaffold frame to also can realize the regulation of scaffold frame height.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a perspective view of a vertical column structure according to the present embodiment;

FIG. 3 is a schematic cross-sectional view of the support plate of the present embodiment;

FIG. 4 is a schematic view of the present embodiment in a folded state;

FIG. 5 is a schematic sectional view of the supporting plate when the sliding rod of the present embodiment moves outward;

fig. 6 is a schematic view of the height adjustment state of the present embodiment.

Description of reference numerals: 1. a support plate; 2. a column; 3. a cross bar; 4. a universal wheel; 5. a slide bar; 51. a boss; 52. a first cylinder; 53. a second cylinder; 54. a square base; 55. a handle; 6. a slide rail; 7. a square hole; 71. a limiting rod; 8. a stepped groove; 81. a square groove; 82. a circular groove.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example (b):

a collapsible scaffolding, as shown in figures 1 and 2, comprises a support plate 1 and four uprights 2. Backup pad 1 is the rectangle structure, and backup pad 1 includes the short side of the long side of two symmetries and two symmetries, and every short side both ends of backup pad 1 all correspond and have a stand 2, and stand 2 is the cuboid structure. Slide rail 6 that runs through both sides and direction downwardly extending is seted up to the lateral wall of stand 2, and stand 2 has been seted up a plurality of ladder grooves 8 to the top down along slide rail 6, and adjacent ladder groove 8's interval length is the same, and ladder groove 8's width is greater than the orbital width of slide rail 6, and ladder groove 8 divide into square groove 81 and circular groove 82 two parts, and square groove 81's width is greater than the diameter of circular groove 82. Lie in 1 two short side facies of backup pad and go up fixedly connected with crossbar 3 with two stands 2 of one end, realize the firm of scaffold frame through crossbar 3, the bottom of four stands 2 all is provided with the universal wheel 4 that the structure was stopped to the band pulley, stops at the scaffold frame removal after-fixing universal wheel 4 that targets in place through the wheel, and the universal wheel 4 that the structure was stopped to the band pulley is prior art, and this paper is so do not do more and describe.

As shown in fig. 1 and 3, the short sides of the support plate 1 are provided with square holes 7 corresponding to the positions of the upright posts 2, the inner sides of the square holes 7 are provided with slidable square seats 54, and stretchable slide rods 5 are connected in the square holes 7; the sliding rod 5 comprises a boss 51, a first cylinder 52 and a second cylinder 53, the central axes of the boss 51, the first cylinder 52 and the second cylinder 53 are on the same straight line, the boss 51 is fixedly connected with the first cylinder 52, and the first cylinder 52 is fixedly connected with the second cylinder 53. The diameter of the second cylinder 53 is slightly smaller than the width of the upper sliding rail 6 on the upright column 2, the sliding rod 5 is in a step-shaped structure, the boss 51 and the first cylinder 52 are correspondingly embedded into the square groove 81 and the circular groove 82 on the upright column 2, the boss 51 is in a cuboid structure, and the square seat 54 is also in a cuboid structure. The middle part of the square seat 54 is provided with a threaded hole for being in threaded connection with the second cylinder 53, and the sliding rod 5 is in threaded connection with the square seat 54 through the second cylinder 53. Limiting rods 71 used for limiting the square seat 54 to slide out of the square hole 7 penetrate through the upper end face and the lower end face of the supporting plate 1, the limiting rods 71 are located at the front end of the square hole 7, the limiting rods 71 are connected in the supporting plate 1 in a threaded mode, and the square seat 54 can be prevented from sliding out of the square hole 7 under the driving of the sliding rod 5 through the limiting rods 71.

As shown in fig. 1 and 3, during installation, the boss 51 and the first cylinder 52 of the sliding rod 5 are embedded into the stepped groove 8 on the upright post 2, the part of the second cylinder 53 is in threaded connection with the square seat 54 in the square hole 7, the length of the boss 51 is the same as that of the square groove 81 of the stepped groove 8, and the cross rod 3 connected to the upright post 2 and the sliding rod 5 are embedded into the stepped groove 8 on the upright post 2, so that the fixed connection between the support plate 1 and the upright post 2 is realized. The outer end of the boss 51 is provided with a handle 55, and the handle 55 can apply pulling force to the boss 51 more easily.

As shown in fig. 4 and 5, when the support plate 1 needs to be folded, the sliding rod 5 on the upright post 2 at the same end of the two short sides of the support plate 1 is firstly pulled out, so that the boss 51 of the sliding rod 5 is partially and completely separated from the square groove 81 of the upright post 2 and the first cylinder 52 of the sliding rod 5 penetrates through the whole stepped groove 8, so that the support plate 1 rotates up and down with the first cylinder 52 as an axis. The sliding rod 5 on the upright post 2 at the other end of the two short side surfaces of the support plate 1 is pulled out by pulling the handle 55 outwards, so that the boss 51 and the first cylinder 52 of the sliding rod 5 completely leave the stepped groove 8 of the upright post 2, the second cylinder 53 enters the stepped groove 8 of the upright post 2, the sliding rod 5 at the moment slides downwards on the sliding rail 6 through the second cylinder 53, the support plate 1 rotates downwards along the sliding rail 6, and the folding of the scaffold is realized.

As shown in fig. 5 and 6, when the height of the supporting plate 1 needs to be adjusted, one person holds the upright post, the other person firstly stretches the sliding rod 5 on each upright post 2 corresponding to two short sides of the supporting plate 1 outwards along the horizontal position away from the supporting plate 1, so that the boss 51 and the first cylinder 52 on the sliding rod 5 are completely separated from the stepped groove 8 of the upright post 2, the second cylinder 53 enters the stepped groove 8 of the upright post 2, then the sliding rod 5 slides upwards or downwards along the sliding rail 6 of the upright post 2 to the position of the stepped groove 8 at the same height through the second cylinder 53 of the sliding rod 5, and finally the boss 51 of the sliding rod 5 and the first sliding rod 5 are partially re-embedded into the stepped groove 8, thereby achieving the height adjustment of the supporting plate 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A collapsible scaffolding, characterized by: comprises a support plate (1) and four upright posts (2); the supporting plate (1) comprises two symmetrical long side surfaces and two symmetrical short side surfaces, and two ends of each short side surface of the supporting plate (1) are provided with an upright post (2) correspondingly; the side wall of the upright post (2) is provided with a sliding rail (6) penetrating through two sides from top to bottom, the top of the sliding rail (6) is provided with a stepped groove (8), the width of the stepped groove (8) is greater than that of a rail of the sliding rail (6), the stepped groove (8) is divided into a square groove (81) and a circular groove (82), and the width of the square groove (81) is greater than the diameter of the circular groove (82); the short sides of the supporting plate (1) are provided with square holes (7) corresponding to the positions of the upright posts (2), and stretchable sliding rods (5) are connected in the square holes (7); the sliding rod (5) comprises a boss (51) matched with the square groove (81), a first cylinder (52) matched with the circular groove (82) and a second cylinder (53), the boss (51) is fixedly connected with the first cylinder (52), and the first cylinder (52) is fixedly connected with the second cylinder (53); the sliding rod (5) is of a stepped structure, a boss (51) and a first cylinder (52) of the sliding rod (5) can be partially embedded into the stepped groove (8), and a retention device for preventing the sliding rod (5) from rotating is arranged in the square hole (7) of the sliding rod (5); when the boss (51) slides away from the square groove (81) along with the sliding rod (5), the first cylinder (52) and the circular groove (82) form a rotating structure; when the first cylinder (52) slides away from the circular groove (82) along with the sliding rod (5), the second cylinder (53) and the sliding rail (6) form sliding connection.

2. A collapsible scaffolding according to claim 1, wherein: the stand (2) are provided with a plurality of ladder grooves (8) with the same size and the same interval as the top ladder groove (8) from top to bottom along the slide rail (6).

3. A collapsible scaffolding according to claim 1, wherein: the fixing device is a square seat (54) which is arranged in the square hole (7) and is in threaded connection with the second cylinder (53), limiting rods (71) used for limiting the square seat (54) to slide out of the square hole (7) penetrate through the upper end face and the lower end face of the supporting plate (1), and the limiting rods (71) are located at the front end of the square hole (7).

4. A collapsible scaffolding according to claim 1, wherein: the boss (51), the first cylinder (52) and the second cylinder (53) are of an integrated structure.

5. The collapsible scaffolding according to claim 1, wherein: and two columns (2) which are positioned at the same end of the two short side surfaces of the supporting plate (1) are fixedly connected with a cross rod (3).

6. A collapsible scaffolding according to claim 1, wherein: the bottom of each upright post (2) is provided with a universal wheel (4), and each universal wheel (4) is provided with a brake device.

7. A collapsible scaffolding according to claim 3, wherein: the limiting rod (71) is in threaded connection with the inside of the supporting plate (1).

8. A collapsible scaffolding according to claim 1, wherein: the lug boss (51) is provided with a handle (55), and the handle (55) is arranged on the end face of the outer side of the lug boss (51) far away from the support plate (1).