CN211691139U

CN211691139U - Steel construction convenient to detach is fixed stair frame

Info

Publication number: CN211691139U
Application number: CN201921726137.XU
Authority: CN
Inventors: 张海林
Original assignee: Sichuan Hanneng Chengxin Electrical Engineering Co ltd
Current assignee: Sichuan Hanneng Chengxin Electrical Engineering Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-10-16
Anticipated expiration: 2029-10-15

Abstract

The utility model belongs to the technical field of the steel construction, a steel construction convenient to detach is fixed stair frame is related to, current steel construction stair single structure, bearing capacity is relatively poor, short service life, and the installation is dismantled inconveniently, the scheme as follows now proposes, it includes the connecting plate, sloping and footboard, both ends downside fixed mounting has first fixed block about the connecting plate, first fixed block middle-end fixed mounting has first connecting bolt, connecting plate rear end lower part left and right sides fixed mounting second fixed block, second fixed block middle-end fixed mounting has second connecting bolt, the fixed welding of connecting plate front end left and right sides has the sloping, the rectangular hole has been seted up to the inboard equidistance of sloping, two sloping middle part equidistance fixed mounting have the footboard, both ends fixed mounting has the fixture block about the footboard, the through-hole has evenly been seted up on the footboard upper. The utility model discloses a set up footboard edges and corners face fixed mounting and have the rubber pad, establish to the fillet on the rubber pad surface, prevent that people from stepping on the sky and colliding with footboard edges and corners when falling down and receive heavy injury.

Description

Steel construction convenient to detach is fixed stair frame

Technical Field

The utility model relates to a steel construction technical field especially relates to a steel construction convenient to detach fixed stair frame.

Background

Steel construction stair are because it is difficult for receiving the stand, floor isotructure influence, and structural good, decorative strong and receive people's favor, obtain the wide application in building construction field and fitment field, but current steel construction stair are usually fixed through the welding, the inconvenient dismantlement of troublesome poeration, footboard single structure, bearing capacity is limited, and life is short, and when people fall down because of carelessness, collide with and receive the serious injury easily in footboard edges and corners department, exist the potential safety hazard.

The technical scheme is that the stair comprises two parallel oblique beams and a pedal arranged between the two oblique beams, wherein multiple layers are distributed on the pedal up and down along the length direction of the oblique beams, bolts penetrating through the oblique beams are connected to two side ends of the pedal facing the two oblique beams in a threaded mode, and at least two bolts are arranged on the two side ends of the pedal; supporting blocks are arranged on the end faces, facing the pedals, of the two oblique beams, and the pedals are abutted to the upper surfaces of the supporting blocks; the head of the bolt is provided with a convex block, a positioning rod penetrates through the convex block, and a first stop block and a second stop block are respectively arranged at two ends of the positioning rod; the end face, far away from the pedal, of the oblique beam is provided with a positioning groove in plug-in fit with the first stop block.

In implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: 1. the existing steel structure stairs are troublesome to install and disassemble and inconvenient to use; 2. the separation is dismantled with footboard and sloping that current steel construction stair can not be swift when the footboard damages to some extent, and the maintenance is changed to the footboard to inconvenience. This application has the rubber pad through setting up footboard edges and corners face fixed mounting, and the rubber pad surface is established to the fillet, prevents that people from stepping on the sky to collide with footboard edges and corners when falling down and receive serious injury.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixed stair frame of steel construction convenient to detach has solved current steel construction stair installation inconvenience, has the problem of potential safety hazard.

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

a stair frame with a steel structure convenient to disassemble and fix comprises a connecting plate, an oblique beam and a pedal;

a first fixing block is fixedly arranged at the lower sides of the left end and the right end of the connecting plate, a first connecting bolt is fixedly arranged at the middle end of the first fixing block, second fixing blocks are fixedly arranged at the left side and the right side of the lower part of the rear end of the connecting plate, a second connecting bolt is fixedly arranged at the middle end of the second fixing block, and oblique beams are fixedly welded at the left side and the right side of the front end of the connecting plate;

rectangular holes are equidistantly formed in the inner sides of the oblique beams, threaded through holes are equidistantly formed in the left side and the right side of the oblique beams, fixing bolts are connected to the middle parts of the threaded through holes in a matched threaded mode, and pedals are fixedly mounted in the middle parts of the two oblique beams at equal intervals;

both ends fixed mounting has the fixture block about the footboard, and the through-hole has evenly been seted up on footboard upper end surface, and footboard lower extreme fixed mounting has the backup pad, and threaded hole is seted up at backup pad left and right sides middle part, and fixing bolt runs through sloping and screw hole threaded connection, and footboard left end edges and corners fixed mounting has the rubber pad.

Preferably, the first fixing block is fixedly installed in the horizontal direction, and the second fixing block is fixedly installed in the vertical direction.

Preferably, the edges and corners of the rubber pad are rounded.

Preferably, the included angle between the supporting plate and the left end of the pedal is 45 degrees, and the supporting plate and the pedal form a triangular structure.

Preferably, the clamping block is L-shaped, the size of the right end of the clamping block is the same as that of the rectangular hole, and the position of the rectangular hole is matched with that of the clamping block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the rectangular hole in the sloping inboard, footboard left and right sides fixed mounting has the fixture block, can insert the rectangular hole with the fixture block cooperation, accomplishes the preliminary fixed of footboard and sloping, accomplishes the fixed connection of footboard and sloping through running through the screw hole threaded connection that the sloping was seted up with the backup pad left and right sides with fixing bolt, and the installation of the stair of being convenient for is dismantled.

2. The utility model discloses a footboard lower extreme fixed mounting has the backup pad, and the backup pad forms the triangle structure with the footboard cooperation, has improved the bearing capacity of footboard for the footboard is difficult to be stepped on and is out of shape, improves footboard life, has the through-hole through the even fixed mounting in footboard surface, prevents that the footboard surface area from gathering the rainwater.

3. The utility model discloses a set up footboard left end edge face fixed mounting and have the rubber pad, establish to the fillet on the rubber pad surface, can prevent that people from stepping on the sky and colliding with footboard edge when tumbling and receive heavy injury, improve device security and practicality.

4. The utility model discloses a first fixed block is horizontal direction fixed mounting, and the second fixed block is vertical direction fixed mounting, can place connecting plate and vertical wall fixed connection, also can place the connecting plate on the installation face, with the horizontal fixed mounting of installation face, has improved the practicality of stair.

Drawings

Fig. 1 is a schematic structural view of a steel-structure conveniently detachable and fixed stair frame provided by the utility model;

fig. 2 is a schematic structural view of a connecting plate of a steel-structure conveniently detachable and fixed stair frame provided by the utility model;

fig. 3 is a schematic view of an oblique beam structure of a steel-structure conveniently detachable and fixed stair frame provided by the utility model;

fig. 4 is the utility model provides a footboard structural sketch map of fixed stair frame of steel construction convenient to detach.

In the figure: 1. a connecting plate; 2. a first fixed block; 3. a first connecting bolt; 4. a clamping block; 5. an oblique beam; 6. a rubber pad; 7. a pedal; 8. a through hole; 9. a second fixed block; 10. a second connecting bolt; 11. a rectangular hole; 12. a fixing plate; 13. fixing the bolt; 14. a threaded through hole; 15. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a stair frame with a steel structure convenient to disassemble and fix comprises a connecting plate 1, an oblique beam 5 and a pedal 7;

a first fixing block 2 is fixedly arranged at the lower sides of the left end and the right end of the connecting plate 1, a first connecting bolt 3 is fixedly arranged at the middle end of the first fixing block 2, a second fixing block 9 is fixedly arranged at the left side and the right side of the lower part of the rear end of the connecting plate 1, a second connecting bolt 10 is fixedly arranged at the middle end of the second fixing block 9, and oblique beams 5 are fixedly welded at the left side and the right side of the front end of the connecting plate 1;

rectangular holes 11 are equidistantly formed in the inner side of each oblique beam 5, threaded through holes 13 are equidistantly formed in the left side and the right side of each oblique beam 5, the middle parts of the threaded through holes 13 are connected with fixing bolts 14 in a matched threaded mode, and pedals 7 are fixedly mounted in the middle parts of the two oblique beams 5 at equal intervals;

both ends fixed mounting has fixture block 4 about footboard 7, and through-hole 8 has evenly been seted up on footboard 7 upper end surface, and 7 lower extremes of footboard fixed mounting has

backup pad

12, and 12 left and right sides middle parts of backup pad have seted up screw hole 15, and fixing bolt 14 runs through sloping 5 and 15 threaded connection of screw hole, and 7 left end edges of footboard department fixed mounting has rubber pad 6.

The utility model discloses (as shown in fig. 1 and fig. 2), be horizontal direction fixed mounting through first fixed block 2, second fixed block 9 is vertical direction fixed mounting, can be with connecting plate 1 and vertical wall body fixed connection, also can place connecting plate 1 on the installation face, with the horizontal fixed mounting of installation face.

Preferably, the first fixing block 2 is fixedly installed in the horizontal direction, and the second fixing block 9 is fixedly installed in the vertical direction.

Preferably, the edges and corners of the rubber pad 6 are rounded.

Preferably, the included angle between the support plate 12 and the left end of the pedal 7 is 45 degrees, and the support plate 12 and the pedal 7 form a triangular structure.

Preferably, the fixture block 4 is L-shaped, the size of the right end of the fixture block 4 is the same as that of the rectangular hole 11, and the position of the rectangular hole 11 is matched with that of the fixture block 4.

The utility model discloses during the use: the connecting plate 1 is fixedly arranged on a wall body through a first fixing block 2 or a second fixing block 9, the fixing blocks 4 fixedly arranged at the left side and the right side of the pedal 7 are matched and clamped into a rectangular hole 11 arranged at the inner side of the oblique beam 5, then the fixing bolts 13 penetrate through threaded through holes 14 equidistantly arranged at the left side and the right side of the oblique beam 5 and are in threaded connection with threaded holes 15 arranged at the left side and the right side of a supporting plate 12 in a matching manner, the fixed installation of the pedal 7 and the oblique beam 5 is completed, a rubber pad 6 is fixedly arranged at the corner surface at the left end of the pedal 7, the surface of the rubber pad 6 is designed into a round angle, the corner of the pedal 7 can be prevented from being seriously damaged when people step on and fall off, the safety and the practicability of the device are improved, the supporting plate 12 fixedly arranged at the lower end of the pedal 7 is matched with the supporting plate 12 to form, through even fixed mounting in footboard 7 surface has through-hole 8, prevents that footboard 7 surface from gathering the rainwater.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A steel structure stair frame convenient to disassemble and fix is characterized by comprising a connecting plate (1), an oblique beam (5) and pedals (7);

a first fixing block (2) is fixedly arranged at the lower sides of the left end and the right end of the connecting plate (1), a first connecting bolt (3) is fixedly arranged at the middle end of the first fixing block (2), second fixing blocks (9) are fixedly arranged at the left side and the right side of the lower part of the rear end of the connecting plate (1), a second connecting bolt (10) is fixedly arranged at the middle end of the second fixing block (9), and oblique beams (5) are fixedly welded at the left side and the right side of the front end of the connecting plate (1);

rectangular holes (11) are formed in the inner side of each oblique beam (5) at equal intervals, threaded through holes (13) are formed in the left side and the right side of each oblique beam (5) at equal intervals, fixing bolts (14) are connected to the middle parts of the threaded through holes (13) in a matched threaded mode, and pedals (7) are fixedly installed in the middle parts of the two oblique beams (5) at equal intervals;

both ends fixed mounting has fixture block (4) about footboard (7), and through-hole (8) have evenly been seted up to footboard (7) upper end surface, and footboard (7) lower extreme fixed mounting has backup pad (12), and threaded hole (15) have been seted up in backup pad (12) left and right sides middle part, and fixing bolt (14) run through sloping (5) and threaded hole (15) threaded connection, and footboard (7) left end edge fixed mounting has rubber pad (6).

2. The stair frame with the steel structure convenient to detach and fix as claimed in claim 1, wherein the first fixing block (2) is fixedly installed in a horizontal direction, and the second fixing block (9) is fixedly installed in a vertical direction.

3. The stair frame with the steel structure convenient to detach and fix as claimed in claim 1, wherein corners of the rubber pads (6) are rounded.

4. The stair frame with a steel structure convenient to detach and fix as claimed in claim 1, wherein an included angle between the support plate (12) and the left end of the pedal (7) is 45 degrees, and the support plate (12) and the pedal (7) form a triangular structure.

5. The stair frame with the steel structure convenient to disassemble and fix as claimed in claim 1, wherein the fixture block (4) is L-shaped, the size of the right end of the fixture block (4) is the same as that of the rectangular hole (11), and the position of the rectangular hole (11) is matched with that of the fixture block (4).