CN219261916U

CN219261916U - Quick-dismantling bracket for backdrop and dustproof backdrop

Info

Publication number: CN219261916U
Application number: CN202321341479.6U
Authority: CN
Inventors: 王二亮; 王晶仁; 秦飞飞; 王振华; 邬嘉翔; 张然; 代依君; 郝世文; 王振乾; 赵大琛; 米婷惠; 韩豪杰
Original assignee: Shanxi Jiantou Wuyue Construction Engineering Co ltd
Current assignee: Shanxi Jiantou Wuyue Construction Engineering Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-06-27
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a quick-dismantling bracket for a backdrop and a dustproof backdrop, and relates to the technical field of building construction dustproof. The awning quick-release bracket comprises a base and an upright rod; the top surface of the base is provided with a quick-release fixing seat and a vertical rod fixing seat; the two quick-release fixing seats are respectively fixed at the edges of the two sides of the top surface of the base, and a quick-release connecting groove is formed in one side, close to the upright rod fixing seat, of each quick-release fixing seat; the upright rod fixing seat is fixed in the middle of one end of the top surface of the base, and a connecting hole is formed in the upright rod fixing seat; the bottom of the vertical rod is provided with a quick-dismantling rotating shaft and a vertical rod fixing plate; the shaft ends at two ends of the quick-release rotating shaft are respectively arranged in the quick-release connecting grooves of the two quick-release fixing seats, the vertical rod fixing plate is provided with a connecting hole, and the vertical rod fixing plate is connected with the vertical rod fixing seat through bolts. The mounting process does not need hoisting mechanical cooperation, only 1 positioning bolt is fixed, and the mounting and dismounting device has the advantages of being convenient to mount and dismount and short in mounting and dismounting period compared with a traditional support.

Description

Quick-dismantling bracket for backdrop and dustproof backdrop

Technical Field

The utility model relates to the technical field of building construction dust prevention, in particular to a rapid-disassembly bracket for a backdrop and a dust-proof backdrop based on the rapid-disassembly bracket for the backdrop.

Background

At present, a dustproof backdrop is adopted to control dust emission of a construction site. The dustproof backdrop can be used for integrally sealing dust in the processes of earth excavation, anchor spraying operation and the like, and meanwhile, the dustproof backdrop is covered with a dense mesh net in a foundation pit, a fog gun machine in the foundation pit, a high-pressure spray pipe and a site enclosure spraying system are used for constructing a multiple protection system, so that construction dust is controlled in the foundation pit.

The existing dustproof backdrop is usually characterized in that a vertical rod steel pipe is fixed on a base to form a support monomer, a plurality of support monomers form a bottom frame, then a steel wire rope is pulled at the top of the vertical rod, and a dustproof net is hung on the steel wire rope. In the erecting process, a hoisting machine is needed to hoist the vertical rod, the vertical rod is connected and reinforced with the base through bolts after being hoisted in place, the number of the fixing bolts is large, and the disassembly and assembly operations are inconvenient.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a quick-dismantling bracket for a backdrop and a dustproof backdrop so as to achieve the aim of convenient disassembly and assembly.

In order to solve the technical problems, according to one aspect of the utility model, a rapid-disassembly bracket for a awning is provided, which comprises a base and a vertical rod;

the top surface of the base is provided with a quick-release fixing seat and a vertical rod fixing seat; the two quick-release fixing seats are respectively fixed at the edges of the two sides of the top surface of the base, and a quick-release connecting groove is formed in one side, close to the upright rod fixing seat, of each quick-release fixing seat; the upright rod fixing seat is fixed in the middle of one end of the top surface of the base, and a connecting hole is formed in the upright rod fixing seat;

the bottom of the vertical rod is provided with a quick-dismantling rotating shaft and a vertical rod fixing plate; the shaft ends at two ends of the quick-release rotating shaft are respectively arranged in the quick-release connecting grooves of the two quick-release fixing seats, the vertical rod fixing plate is provided with a connecting hole, and the vertical rod fixing plate is connected with the vertical rod fixing seat through bolts.

Further, the quick-release connecting groove comprises a rectangular opening channel at the front end and a round shaft hole arranged at the tail end of the opening channel, and the diameter of the shaft hole is larger than the opening height of the opening channel; the shaft end part of the quick-dismantling rotary shaft is a cylinder with a rectangular cross section with a round angle.

Further, a cylindrical rotating shaft limiting block is arranged on the inner side of the end portion of the shaft, and the diameter of the rotating shaft limiting block is larger than that of the shaft hole of the quick-dismantling connecting groove.

Further, a pole setting reinforcing plate is arranged between the upper part of the quick-dismantling rotating shaft and the side surface of the pole setting.

According to another aspect of the utility model, a dustproof awning is provided, which comprises a dustproof net and a frame for hanging the dustproof net, wherein the frame is composed of more than two groups of awning quick-release brackets, steel wire ropes are connected between the tops of upright rods of the two opposite awning quick-release brackets, and the dustproof net is hung on the steel wire ropes.

Further, a balancing weight is placed on the base of the awning quick-release support.

When the awning quick-release support is used for installation, the vertical rod is transversely placed, the quick-release rotating shaft enters the quick-release connecting groove along the horizontal direction, then the vertical rod is rotated by 90 degrees to be vertical, and finally a bolt is arranged in a connecting hole of the vertical rod fixing plate and the vertical rod fixing seat for fixing.

Need not hoist and mount mechanical cooperation in the installation, only 1 positioning bolt is fixed after the installation is put in place, compares traditional support and has easy dismounting, installs and removes the advantage that the cycle is short.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic view of a base according to the present utility model;

FIG. 2 is a schematic view of the structure of the pole of the present utility model;

FIG. 3 is a schematic front view of a quick release bracket for a backdrop of the present utility model;

FIG. 4 is a schematic side view of a quick release bracket for a backdrop of the present utility model;

fig. 5 is an enlarged view of a portion a in fig. 3;

FIG. 6 is an enlarged view of portion B of FIG. 4;

FIG. 7 is a schematic view of a dust screen according to the present utility model;

in the figure, the device comprises a 1-base, a 2-vertical rod, a 3-balancing weight, a 4-bolt, a 5-dustproof net, an 11-quick-release fixing seat, a 12-vertical rod fixing seat, a 13-quick-release connecting groove, a 21-quick-release rotating shaft, a 22-rotating shaft limiting block, a 23-vertical rod reinforcing plate, a 24-vertical rod fixing plate and a 25-shaft end part.

Detailed Description

For a better understanding of the present utility model, reference will be made to the following description of the utility model taken in conjunction with the accompanying drawings and examples. In addition, features in the embodiments and examples of the present application may be combined with each other without conflict.

The utility model provides a rapid-disassembly bracket for a awning, which comprises a base and a vertical rod.

As shown in fig. 1, 5 and 6, a quick-release fixing seat 11 and a vertical rod fixing seat 12 are arranged on the top surface of the base 1; the two quick-release fixing seats 11 are respectively fixed at the edges of the two sides of the top surface of the base 1, and a quick-release connecting groove 13 is formed in one side, close to the upright rod fixing seat 12, of each quick-release fixing seat 11; the pole setting fixing seat 12 is fixed in the middle of one end of the top surface of the base 1, and a connecting hole is formed in the pole setting fixing seat 12.

As shown in fig. 2, 5 and 6, the bottom of the upright 2 is provided with a quick-dismantling rotary shaft 21 and an upright fixing plate 24; shaft ends 25 at two ends of the quick-release rotary shaft 21 are respectively arranged in the quick-release connecting grooves 13 of the two quick-release fixing seats 11, connecting holes are formed in the vertical rod fixing plates 24, and the vertical rod fixing plates 24 are connected with the vertical rod fixing seats 12 through bolts 4.

The rapid-disassembly bracket of the awning is used for forming a frame structure for hanging a dust-proof net. According to the above embodiment, in use, the base 1 is put in place according to the site arrangement position, the upright 2 is transversely placed on the base 1, the quick-release rotary shaft 21 is placed in the quick-release fixing seat 11 along the quick-release connecting groove 13, and whether the quick-release rotary shaft 21 is put in place is checked, then the upright 2 is rotated by 90 ° with the quick-release rotary shaft 21 as the shaft to enable the upright 2 to stand, and as shown in fig. 3 and 4, when the upright fixing plate 24 is aligned with the connecting hole on the upright fixing seat 12, the loading bolt 4 is used for fixing the upright 2.

The mounting mode of the base 1 and the upright 2 only needs 1 bolt for fixation, does not need hoisting machinery for matching, and can be completed by two workers.

In a preferred embodiment, as shown in fig. 1, the quick release connecting slot 13 includes a rectangular opening channel at the front end and a circular shaft hole formed at the end of the opening channel. The rectangular opening channel is arranged along the horizontal direction, and the shaft end 25 for the vertical rod 2 enters the shaft hole from outside to inside. The diameter of the shaft hole is larger than the opening height of the opening channel. As shown in fig. 5, the shaft end 25 of the quick release rotary shaft 21 is a column having a rectangular shape with a rounded cross section, and the longitudinal direction of the rectangular shape with a rounded cross section is identical to the longitudinal direction of the column. The length of the cross section of the shaft end 25 is slightly smaller than the diameter of the shaft bore so that the shaft end 25 can rotate within the shaft bore. The width of the cross section of the shaft end 25 is slightly smaller than the opening height of the opening passage, so that the shaft end 25 can pass through the opening passage in the horizontal direction, and the quick release rotary shaft 21 is prevented from rotating while passing through the opening passage. When the shaft end 25 enters the shaft hole and then rotates for 90 degrees, the diameter of the shaft hole is larger than the opening height of the notch channel, so that the shaft end 25 can be prevented from sliding out of the quick-release connecting groove 13 in the rotating process.

In another preferred embodiment, as shown in fig. 6, a cylindrical rotating shaft limiting block 22 is disposed inside the shaft end 25, the diameter of the rotating shaft limiting block 22 is larger than the diameter of the shaft hole of the quick release connecting slot 13, and the rotating shaft limiting block 22 is additionally arranged to prevent the quick release rotating shaft 21 from moving sideways when rotating.

As shown in fig. 2 and 6, a pole reinforcing plate 23 is arranged between the sides of the pole 2 at the upper part of the quick-release rotary shaft 21, and the pole reinforcing plate 23 is connected with the quick-release rotary shaft 21 and the pole 2, so that the effect of stabilizing the quick-release rotary shaft 21 is further achieved, and the quick-release rotary shaft 21 is prevented from deforming.

As shown in fig. 7, another exemplary embodiment of the present utility model provides a dust-proof awning, which includes a dust-proof net 5 and a frame for hanging the dust-proof net 5, wherein the frame is composed of two or more groups of the awning quick-release brackets described in the above embodiments, a steel wire rope is connected between the tops of the upright posts 2 of the two opposite awning quick-release brackets, and the dust-proof net 5 is hung on the steel wire rope.

As shown in fig. 3 and 4, the base of the rapid-disassembly bracket for the awning is provided with a balancing weight 3, which plays a role in stabilizing the base 1.

The scope of the present utility model is not limited to the above embodiments, but various modifications and alterations of the present utility model will become apparent to those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the present utility model are intended to be included in the scope of the present utility model.

Claims

1. The utility model provides a sky curtain quick detach support, includes base and pole setting, its characterized in that:

2. The awning quick release bracket of claim 1, wherein: the quick-release connecting groove comprises a rectangular opening channel at the front end and a round shaft hole arranged at the tail end of the opening channel, and the diameter of the shaft hole is larger than the opening height of the opening channel; the shaft end part of the quick-dismantling rotary shaft is a cylinder with a rectangular cross section with a round angle.

3. The awning quick release bracket according to claim 1 or 2, characterized in that: the inner side of the shaft end part is provided with a cylindrical rotating shaft limiting block, and the diameter of the rotating shaft limiting block is larger than that of the shaft hole of the quick-dismantling connecting groove.

4. A rapid disassembly bracket for a awning as claimed in claim 3, wherein: a vertical rod reinforcing plate is arranged between the upper part of the quick-dismantling rotating shaft and the side surface of the vertical rod.

5. The utility model provides a dustproof backdrop, includes dust screen and is used for the frame of hooking dust screen, its characterized in that: the frame is composed of more than two groups of the rapid-dismantling brackets of the backdrop according to any one of claims 1-4, steel wire ropes are connected between the tops of the upright rods of the two opposite rapid-dismantling brackets, and the dustproof net is hung on the steel wire ropes.

6. The dust screen of claim 5, wherein: and a balancing weight is placed on the base of the awning quick-release bracket.