Door and window opening dustproof net fixing device for building

Abstract

The utility model relates to the technical field of building construction, in particular to a building door and window opening dustproof net fixing device which comprises a first rectangular steel pipe, a second rectangular steel pipe, a limiting assembly and a dustproof net, a first through hole is formed in the surface of the first rectangular steel pipe, and a second through hole is formed in the surface of the second rectangular steel pipe. Side square plates are fixed to the side faces of the first rectangular steel pipe and the second rectangular steel pipe, and a dustproof net is wound around the first rectangular steel pipe and the second rectangular steel pipe. The door and window opening dustproof net fixing device for the building has the beneficial effects that the limiting assemblies are matched with the side square plates on the side faces of the two rectangular steel pipes, rapid fixing and dismounting of the dustproof net are achieved through the elastic force of the springs, it is guaranteed that the dustproof net is stably installed at the door and window opening through the design, flying dust is effectively prevented from being diffused, and the service life of the dustproof net is prolonged. And the device has the advantages of simplicity and convenience in operation, compact structure, easiness in reutilization and the like, is suitable for door and window holes of different specifications, and greatly improves the efficiency and effect of dust-proof management on a building construction site.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a dustproof net fixing device for door and window openings used in buildings. Background Art

[0002] With the rapid development of the country, the pressure of dust control in construction sites is increasing. In particular, the cutting, grinding, and cleaning in the buildings on the construction sites have posed a great challenge to the dust control in the construction sites. At present, the commonly used dust prevention measures on construction sites are to fix green nets at the door and window openings to prevent the dust in the building from spreading to the outside environment, increasing environmental pressure.

[0003] In the prior art, the current fixing method is relatively traditional, and the green net is only fixed with iron nails, which is easy to damage the structural surface, increase the pressure of later wall repair, and seriously affect the appearance of the wall forming surface. In addition, the green net fixed by this method is not stretched and unsightly, and the later removal is complicated and labor-intensive.

[0004] Based on this, in order to meet the needs of on-site construction, it is necessary to design a dust screen fixing device that is easy to install and disassemble, has a simple structure, has a beautiful formed surface, is reusable, and can be applied to different door and window openings. Utility Model Content

[0005] The utility model aims to provide a dustproof net fixing device for door and window openings for buildings, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust-proof net fixing device for door and window openings for buildings, the dust-proof net fixing device for door and window openings for buildings comprising: a first rectangular steel pipe, a second rectangular steel pipe, a limit assembly and a dust-proof net, the surface of the first rectangular steel pipe is provided with a first through hole, the surface of the second rectangular steel pipe is provided with a second through hole, the sides of the first rectangular steel pipe and the second rectangular steel pipe are both fixed with side plates, the surfaces of the side plates are provided with limit holes, and the dust-proof net is wound around the first rectangular steel pipe and the second rectangular steel pipe;

[0007] A first steel plate, the first steel plate is fixed to the door and window openings by fixing bolts, a second steel plate is arranged above the first steel plate, the first steel plate and the second steel plate are connected by stud bolts, a limiting assembly is arranged on the second steel plate, and a through groove is opened on the surface of the second steel plate;

[0008] The limit rod and the second steel plate are slidably connected, a connecting block is fixed on the end face of the limit rod, a spring is sleeved on the surface of the limit rod, one end of the spring is fixedly connected to the connecting block, and the other end of the spring is fixedly connected to the second steel plate, and an external thread is opened at the lower end of the limit rod.

[0009] Preferably, the first through hole and the second through hole are connected by positioning bolts, the inner diameter of the first rectangular steel tube is smaller than the inner diameter of the second rectangular steel tube, the first rectangular steel tube and the second rectangular steel tube are slidingly connected, a plurality of first through holes are opened, and the plurality of first through holes are equidistantly linearly distributed on the surface of the first rectangular steel tube, and a plurality of second through holes are opened, and the plurality of second through holes are equidistantly linearly distributed on the surface of the second rectangular steel tube.

[0010] Preferably, the dustproof net is wrapped around the first rectangular steel pipe and the second rectangular steel pipe twice, the side plate passes through the dustproof net, and the dustproof net is fixed by a limiting assembly.

[0011] Preferably, the limiting assembly includes a limiting rod, a spring, a connecting block and a handle, the surface of the connecting block is fixed with the handle, the inner surface of the handle is provided with anti-slip patterns, and a nut is installed at the external thread.

[0012] Preferably, the outer wall of the limiting rod and the inner wall of the limiting hole are slidably connected, the limiting rod passes through the dustproof net, and a plurality of limiting holes are provided, and the plurality of limiting holes are equidistantly linearly distributed on the surface of the side plate.

[0013] Preferably, the side plates and the through slots are slidably connected.

[0014] Preferably, a buffer pad is provided between the first steel plate and the second steel plate, and the dustproof net is a green net commonly used in construction sites.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model discloses a dust-proof net fixing device for door and window openings for buildings, which cooperates with the side plates on the sides of two rectangular steel pipes through a limiting component, and utilizes the elastic force of a spring to realize the rapid fixing and disassembly of the dust-proof net, the first rectangular steel pipe and the second rectangular steel pipe, and at the same time utilizes the positioning bolt, the first through hole and the second through hole to conveniently adjust the overall length of the first rectangular steel pipe and the second rectangular steel pipe to meet actual needs. This design not only ensures the stable installation of the dust-proof net at the door and window openings and effectively prevents the spread of dust, but also has the advantages of simple operation, compact structure, easy reuse, etc., and is suitable for door and window openings of different specifications, greatly improving the efficiency and effect of dust prevention management at construction sites. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a detailed diagram of the structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the first rectangular steel tube and the second rectangular steel tube of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the first steel plate and the second steel plate of the utility model.

[0022] In the figure: 1. limit assembly; 2. dust net; 3. door and window openings; 4. first rectangular steel pipe; 5. second rectangular steel pipe; 6. positioning bolt; 7. handle; 8. spring; 9. connecting block; 10. limit rod; 12. nut; 13. external thread; 14. fixing bolt; 15. first steel plate; 16. stud bolt; 17. buffer pad; 18. side plate; 19. limit hole; 20. first through hole; 21. second through hole; 22. anti-slip pattern; 23. through groove; 24. second steel plate. DETAILED DESCRIPTION

[0023] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0027] Embodiment 1

[0028] See also Figures 1 to 5 The utility model provides a technical solution: a dust-proof net fixing device for a door and window opening 3 for a building, the dust-proof net fixing device for a door and window opening 3 for a building comprises: a first rectangular steel pipe 4, a second rectangular steel pipe 5, a limiting component 1 and a dust-proof net 2, a first through hole 20 is opened on the surface of the first rectangular steel pipe 4, a second through hole 21 is opened on the surface of the second rectangular steel pipe 5, side plates 18 are fixed to the sides of the first rectangular steel pipe 4 and the second rectangular steel pipe 5, and limiting holes 19 are opened on the surface of the side plates 18, and the dust-proof net 2 is wound around the first rectangular steel pipe 4 and the second rectangular steel pipe 5;

[0029] A first steel plate 15, the first steel plate 15 is fixed to the door and window opening 3 by means of fixing bolts 14, a second steel plate 24 is arranged above the first steel plate 15, the first steel plate 15 and the second steel plate 24 are connected by stud bolts 16, a limiting assembly 1 is arranged on the second steel plate 24, and a through groove 23 is provided on the surface of the second steel plate 24;

[0030] The limiting rod 10 and the second steel plate 24 are slidably connected. A connecting block 9 is fixed to the end surface of the limiting rod 10. A spring 8 is sleeved on the surface of the limiting rod 10. One end of the spring 8 is fixedly connected to the connecting block 9. The other end of the spring 8 is fixedly connected to the second steel plate 24. The lower end of the limiting rod 10 is provided with an external thread 13.

[0031] When in use, the dust-proof net 2 fixing device for the door and window openings 3 of the building cooperates with the side plates 18 on the sides of the two rectangular steel pipes through the limiting assembly 1, and the elastic force of the spring 8 is used to realize the rapid fixing and disassembly of the dust-proof net 2, the first rectangular steel pipe 4 and the second rectangular steel pipe 5. At the same time, the positioning bolts 6, the first through holes 20 and the second through holes 21 can be used to conveniently adjust the overall length of the first rectangular steel pipe 4 and the second rectangular steel pipe 5 to meet actual needs.

[0032] Embodiment 2

[0033] On the basis of the first embodiment, the first through hole 20 and the second through hole 21 are connected by the positioning bolt 6, the inner diameter of the first rectangular steel tube 4 is smaller than the inner diameter of the second rectangular steel tube 5, the first rectangular steel tube 4 and the second rectangular steel tube 5 are slidably connected, a plurality of first through holes 20 are provided, and the plurality of first through holes 20 are equidistantly linearly distributed on the surface of the first rectangular steel tube 4, a plurality of second through holes 21 are provided, and the plurality of second through holes 21 are equidistantly linearly distributed on the surface of the second rectangular steel tube 5;

[0034] The outer wall of the limit rod 10 and the inner wall of the limit hole 19 are slidably connected, the limit rod 10 passes through the dustproof net 2, a plurality of limit holes 19 are provided, and the plurality of limit holes 19 are equidistantly and linearly distributed on the surface of the side plate 18, the side plate 18 and the through groove 23 are slidably connected, a buffer pad 17 is provided between the first steel plate 15 and the second steel plate 24, and the dustproof net 2 is a green net commonly used in construction sites;

[0035] When in use, first fix the first steel plate 15 beside the door and window opening 3 with the fixing bolts 14, and set the second steel plate 24 above the first steel plate 15, and the two are connected by the stud bolts 16 to ensure the stability of the overall structure. A buffer pad 17 is also provided between the first steel plate 15 and the second steel plate 24 to absorb possible vibrations or impacts and protect the dustproof net 2 and the limit assembly 1 from damage. The first rectangular steel tube 4 and the second rectangular steel tube 5 are respectively provided with a first through hole 20 and a second through hole 21, which are connected by positioning bolts 6 to form a frame structure with adjustable length. The inner diameter of the first rectangular steel tube 4 is smaller than the inner diameter of the second rectangular steel tube 5, and the two are slidably connected, so that the frame size can be flexibly adjusted according to the size of the door and window opening 3. Multiple first through holes 20 and second through holes 21 are provided, which are equidistantly linearly distributed along the surface of each steel tube, so as to facilitate precise adjustment of the frame length.

[0036] Embodiment 3

[0037] On the basis of the second embodiment, the dustproof net 2 is wrapped around the first rectangular steel tube 4 and the second rectangular steel tube 5 for two turns, the side plate 18 passes through the dustproof net 2, and the dustproof net 2 is fixed by the limit assembly 1. The limit assembly 1 includes a limit rod 10, a spring 8, a connecting block 9 and a handle 7. The handle 7 is fixed on the surface of the connecting block 9, and the inner surface of the handle 7 is provided with an anti-slip pattern 22, and a nut 12 is installed at the external thread 13;

[0038] When in use, the dustproof net 2 is wrapped around the first rectangular steel tube 4 and the second rectangular steel tube 5 to form a stable covering structure. The dustproof net 2 adopts the green net commonly used in construction sites, which is wrapped around the first rectangular steel tube 4 and the second rectangular steel tube 5 twice to enhance the fixing effect and sealing. The side plate 18 is fixed to the side of the first rectangular steel tube 4 and the second rectangular steel tube 5, and passes through the dustproof net 2 to provide an additional support point. A limiting hole 19 is opened on the surface of the side plate 18, which is used in conjunction with the limiting rod 10 in the limiting assembly 1. By pulling the handle 7, the limiting rod 10 slides along the through groove 23, and its outer wall is slidably connected to the inner wall of the limiting hole 19. After passing through, the dustproof net 2 can be pressed and fixed. The elastic force provided by the spring 8 ensures that the limiting rod 10 maintains effective clamping of the dustproof net 2 when there is no external force. At the same time, a nut 12 is installed at the end of the limiting rod 10 to further improve stability.

[0039] Working principle: In actual use, first fix the first steel plate 15 to the side of the door and window opening 3 with the fixing bolts 14, set the second steel plate 24 above the first steel plate 15, and connect the two with the stud bolts 16 to ensure the stability of the overall structure, and then wrap the dust screen 2 around the first rectangular steel tube 4 and the second rectangular steel tube 5 to form a stable covering structure, pull the handle 7 to make the limit rod 10 slide along the through groove 23, and then embed the side block into the through groove 23 accordingly, adjust the tightness of the dust screen 2, and loosen it. Open the handle 7, and the limiting rod 10 passes through the dustproof net 2 under the rebound action of the spring 8 and is inserted into the limiting hole 19, and then the nut 12 is installed at the bottom of the limiting rod 10, so that the dustproof net 2 can be fixed. This avoids the problem in the prior art that the current fixing method is relatively traditional, and the green net is only fixed with iron nails, which is easy to damage the structural surface, and also increases the pressure of later repair of the wall, and seriously affects the appearance of the wall forming surface. In addition, the green net fixed in this way is not stretched, not beautiful, and the later removal is complicated and labor-intensive.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust screen fixing device for door and window openings for buildings, characterized in that: The dust-proof net fixing device for door and window openings for buildings comprises: a first rectangular steel tube (4), a second rectangular steel tube (5), a limiting assembly (1) and a dust-proof net (2); a first through hole (20) is provided on the surface of the first rectangular steel tube (4); a second through hole (21) is provided on the surface of the second rectangular steel tube (5); side plates (18) are fixed to the sides of the first rectangular steel tube (4) and the second rectangular steel tube (5); a limiting hole (19) is provided on the surface of the side plates (18); and the dust-proof net (2) is wound around the first rectangular steel tube (4) and the second rectangular steel tube (5); A first steel plate (15), the first steel plate (15) is fixed to the door and window opening (3) by means of fixing bolts (14), a second steel plate (24) is arranged above the first steel plate (15), the first steel plate (15) and the second steel plate (24) are connected by means of stud bolts (16), a limiting assembly (1) is arranged on the second steel plate (24), and a through groove (23) is provided on the surface of the second steel plate (24); A limiting rod (10) is slidably connected to the second steel plate (24). A connecting block (9) is fixed to the end surface of the limiting rod (10). A spring (8) is sleeved on the surface of the limiting rod (10). One end of the spring (8) is fixedly connected to the connecting block (9), and the other end of the spring (8) is fixedly connected to the second steel plate (24). An external thread (13) is provided at the lower end of the limiting rod (10).

2. A dust-proof net fixing device for door and window openings for buildings according to claim 1, characterized in that: The first through hole (20) and the second through hole (21) are connected by a positioning bolt (6); the inner diameter of the first rectangular steel tube (4) is smaller than the inner diameter of the second rectangular steel tube (5); the first rectangular steel tube (4) and the second rectangular steel tube (5) are slidably connected; a plurality of first through holes (20) are provided, and the plurality of first through holes (20) are equidistantly linearly distributed on the surface of the first rectangular steel tube (4); a plurality of second through holes (21) are provided, and the plurality of second through holes (21) are equidistantly linearly distributed on the surface of the second rectangular steel tube (5).

3. A dust-proof net fixing device for door and window openings for buildings according to claim 1, characterized in that: The dustproof net (2) is wound twice around the first rectangular steel tube (4) and the second rectangular steel tube (5), the side plate (18) passes through the dustproof net (2), and the dustproof net (2) is fixed by a limiting component (1).

4. A dust-proof net fixing device for door and window openings for buildings according to claim 1, characterized in that: The limiting assembly (1) comprises a limiting rod (10), a spring (8), a connecting block (9) and a handle (7); the handle (7) is fixed to the surface of the connecting block (9); the inner surface of the handle (7) is provided with anti-slip patterns (22); and a nut (12) is installed at the external thread (13).

5. A dust-proof net fixing device for door and window openings for buildings according to claim 4, characterized in that: The outer wall of the limiting rod (10) and the inner wall of the limiting hole (19) are slidably connected, the limiting rod (10) passes through the dustproof net (2), and a plurality of limiting holes (19) are provided, and the plurality of limiting holes (19) are evenly distributed linearly on the surface of the side plate (18).

6. A dust-proof net fixing device for door and window openings for buildings according to claim 1, characterized in that: The side plate (18) and the through groove (23) are slidably connected.

7. A dust-proof net fixing device for door and window openings for buildings according to claim 1, characterized in that: A buffer pad (17) is provided between the first steel plate (15) and the second steel plate (24), and the dustproof net (2) is a green net commonly used in construction sites.

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