CN218264638U

CN218264638U - Assembled stair for building

Info

Publication number: CN218264638U
Application number: CN202222104618.5U
Authority: CN
Inventors: 韩知霖; 杨静; 刘�文
Original assignee: Shaanxi Tiangong Construction Co ltd
Current assignee: Shaanxi Tiangong Construction Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-01-10
Anticipated expiration: 2032-08-10

Abstract

The utility model relates to an assembled stair for building, it includes two prefabricated sloping and a plurality of step boards, the both ends of step board all can be dismantled and be connected with the connecting piece, the connecting piece at step board both ends one-to-one respectively can be dismantled and connect in two sloping, and is a plurality of the length direction distribution of sloping is followed to the step board, the connecting piece includes connecting rod and inserted block, the installation cavity has been seted up to the position that the sloping corresponds the connecting piece, connecting rod one end can be dismantled and connect in the step board, the connecting rod other end is worn to locate inside the installation cavity, the draw-in groove has been seted up to the one end that the connecting rod is located the installation cavity, the inserted block is worn to locate inside the installation cavity on the sloping equally, just the draw-in groove on the connecting rod is located to the inserted block card. This application has the effect that improves the convenience when stair construction.

Description

Assembled stair for building

Technical Field

The application relates to the field of prefabricated stairs, in particular to an assembly type stair for building.

Background

Nowadays, partly assembled building is when the construction, in order to improve the convenience of stair construction, adopts prefabricated staircase to assemble usually. Prefabricated staircase includes two sloping and a plurality of flier, and two sloping parallel arrangement, the both ends of flier fixed connection respectively in two sloping, and the length direction distribution of the length direction of a plurality of fliers edge sloping. When the prefabricated staircase is manufactured, two oblique beams and a plurality of step plates are integrally cast and formed.

When the building is constructed with the stairs, the prefabricated stairs are hoisted integrally by adopting hoisting equipment so as to transport the prefabricated stairs to the construction part of the building integrally. However, when the prefabricated staircase is hoisted and transported integrally, the self gravity and the volume are relatively large, so that the transportation cost is high, and the transportation difficulty and the risk are large.

SUMMERY OF THE UTILITY MODEL

In order to improve the convenience when stair are under construction, this application provides a stair for assembly type structure.

The application provides a stair for prefabricated building adopt following technical scheme:

the utility model provides an assembled stair for building, includes two prefabricated sloping and a plurality of step board, the both ends of step board all can be dismantled and be connected with the connecting piece, the connecting piece at step board both ends one-to-one respectively can be dismantled and connect in two sloping, and is a plurality of the length direction of sloping is followed to the step board distributes.

Through adopting the above technical scheme, during the construction of building stair, only need set up two sloping with first in the building, install a plurality of connecting pieces in the sloping afterwards, connect the both ends of flier respectively at last can on two sloping, thereby in the stair work progress, can divide into a plurality of units with stair are whole and hoist or transport, assemble afterwards, thereby reduce volume and weight in each transportation, make more lightly during the transportation, and the security is high, convenience when improving stair construction.

Optionally, the connecting piece includes connecting rod and inserted block, the installation cavity has been seted up to the position that the sloping corresponds the connecting piece, connecting rod one end can be dismantled and connect in the flier, the connecting rod other end is worn to locate inside the installation cavity, the connecting rod is located the one end of installation cavity and has been seted up the draw-in groove, the inserted block is worn to locate inside the installation cavity on the sloping equally, just the inserted block card is located the draw-in groove on the connecting rod.

Through adopting above-mentioned technical scheme, the back is set up to the sloping, during erection joint spare, penetrates the installation cavity with the one end that the connecting rod was equipped with the draw-in groove inside, wears to locate the installation cavity with the inserted block afterwards, and makes the inserted block card locate the draw-in groove on the connecting rod to lock the connecting rod in the sloping, connect the flier in the connecting rod at last, thereby realize the installation of stair.

Optionally, the one end that the sloping was kept away from to the connecting rod runs through the flier, connecting rod threaded connection has clamping nut, clamping nut butt deviates from one side of sloping in the flier.

Through adopting above-mentioned technical scheme, during the installation of step board, locate the connecting rod on the sloping with the step board cover, fasten clamping nut afterwards to fasten the step board in the sloping, increase the steadiness of using.

Optionally, the oblique beam is provided with a locking bolt penetrating through the oblique beam and the insertion block.

Through adopting above-mentioned technical scheme, during the installation, after the installation cavity was worn to locate by the inserted block, worn to locate inserted block and sloping with the locking bolt simultaneously to increase the steadiness of inserted block in the installation cavity, make the inserted block be difficult for appearing droing, and then increased the steadiness of connecting piece installation on the sloping.

Optionally, a portion of the connecting rod penetrating through the mounting cavity is in a prism-shaped structure.

Through adopting above-mentioned technical scheme, the connecting rod is difficult for taking place to rotate when wearing to locate the installation cavity to make the difficult emergence of notch direction of draw-in groove deflect, and then follow-up relatively comparatively convenient when the installation inserted block.

Optionally, both ends of the step plate are all penetrated and threaded connected with a plurality of reinforcing columns, and the reinforcing columns penetrate through the oblique beam where the end part of the step plate is located.

Through adopting above-mentioned technical scheme, during the use, the reinforcement post can further be done the support to the step board, increases the wholeness between step board and the sloping, and then increases the ability that connecting portion bore load between step board and the sloping, the steadiness when increasing the follow-up use of prefabricated staircase.

Optionally, a holding tank for holding the clamping nut is provided on a side end face of the step plate departing from the oblique beam, the connecting rod is sleeved with a gasket, and the gasket is clamped between the holding tank bottom wall and the clamping nut.

By adopting the technical scheme, the arranged accommodating groove can hide the clamping nut and the end part of the connecting rod, so that the possibility of harm to pedestrians caused by the connecting rod or the clamping nut when the stair is used is reduced; the gasket can increase the effect that clamp nut presss from both sides tight flier, increases the steadiness of flier installation on the sloping.

Optionally, the flier is provided with and is used for closing the closing cap of holding tank notch, the terminal surface fixedly connected with connecting pipe of closing cap orientation holding tank one side, connecting rod tip and both looks interference fit are located to the connecting pipe cover.

By adopting the technical scheme, the arranged sealing cover can protect the accommodating groove, so that the possibility that external sundries or water are accumulated in the accommodating groove is reduced; and the closing cap passes through the connecting pipe and connects in the connecting rod to increase the steadiness behind the closing cap lid fits the holding tank, reduce the possibility that the closing cap takes place to drop.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the stair construction is carried out, only two oblique beams are erected in the building, then a plurality of connecting pieces are installed on the oblique beams, and finally two ends of the step plate are respectively connected with the connecting pieces on the two oblique beams, so that the stair can be integrally divided into a plurality of units to be hoisted or transported in the stair construction process, and then the units are assembled, so that the volume and the weight in each transportation process are reduced, the stair is lighter and more convenient to transport, the safety is high, and the convenience in stair construction is improved;

2. during the erection joint spare, penetrate the installation cavity with the one end that the connecting rod was equipped with the draw-in groove inside earlier, wear to locate the installation cavity with the inserted block afterwards, and make the inserted block card locate the draw-in groove on the connecting rod to lock the connecting rod in the sloping, connect the flier in the connecting rod at last, thereby realize the installation of stair, and it is comparatively convenient.

Drawings

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

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a schematic view of a partial explosion structure of the step plate according to the embodiment of the present application;

description of reference numerals: 1. an oblique beam; 11. a mounting cavity; 2. a step plate; 21. accommodating grooves; 3. a connecting member; 31. a connecting rod; 311. clamping the nut; 312. a gasket; 32. inserting a block; 321. a locking bolt; 4. reinforcing the column; 5. sealing the cover; 51. and (4) connecting the pipes.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses stair for assembly type building. Referring to fig. 1 and 3, the assembled stair for construction includes two prefabricated stringers 1 and a plurality of step boards 2, both ends of the step boards 2 are detachably connected with connecting members 3, and the connecting members 3 at both ends of the step boards 2 are detachably connected to the two stringers 1, respectively. Make step board 2 through the connecting piece 3 at both ends respectively the one-to-one can dismantle and connect in two sloping 1, and step board 2 is located sloping 1 top, and a plurality of step boards 2 distribute along the length direction of sloping 1.

During the construction of the building stair, only two sloping beams 1 need to be erected on the building, then a plurality of connecting pieces 3 are installed on the sloping beams 1, and finally the two ends of the tread plates 2 are connected to the connecting pieces 3 on the two sloping beams 1 respectively. Thereby in the stair work progress, can be with whole a plurality of units that divide into of stair hoist and mount or transport, assemble afterwards to reduce the volume and the weight in each transportation, make more light during the transportation, and the security is high, the convenience when improving stair construction.

Referring to fig. 2, the connecting member 3 includes a connecting rod 31 and an insertion block 32, the installation cavity 11 is provided at a position of the oblique beam 1 corresponding to the connecting member 3, and the installation cavity 11 is provided with an upper opening and a side opening. Connecting rod 31 one end can be dismantled and connect in flier 2, and the connecting rod 31 other end penetrates the installation cavity 11 inside from the upper shed department of installation cavity 11. The draw-in groove has been seted up to the one end that connecting rod 31 is located installation cavity 11, inside the inserted block 32 penetrated installation cavity 11 from 11 side openings in installation cavity to the draw-in groove on connecting rod 31 is located to the card.

After the sloping 1 sets up, during erection joint spare 3, earlier penetrate installation cavity 11 along vertical and from the upper shed department of installation cavity 11 inside connecting rod 31, penetrate installation cavity 11 with inserted block 32 from the side opening department of installation cavity 11 afterwards inside, and make inserted block 32 can block the draw-in groove of locating on connecting rod 31 to lock connecting rod 31 in sloping 1, connect step plate 2 in connecting rod 31 at last.

At this moment, wear to locate the installation cavity 11 upper shed with connecting rod 31 and set up to prismatic structure be for connecting rod 31 is when wearing to locate installation cavity 11, and difficult the emergence is rotated, thereby makes the difficult emergence of the notch direction of draw-in groove deflect, and then follow-up relatively comparatively convenient when installation inserted block 32.

In other embodiments, connecting piece 3 still can set up to the fixture block, and the spread groove is all seted up to the end in opposite directions of footboard 2 and sloping 1 this moment, and the fixture block is blocked simultaneously and is located spread groove on footboard 2 and the spread groove on the sloping 1 to realize dismantling mutually between footboard 2 and the sloping 1 and be connected.

Referring to fig. 2, the sloping beam 1 is provided with a plurality of locking bolts 321, any insert block 32 on the sloping beam 1 is correspondingly provided with a plurality of locking bolts 321, the locking bolts 321 simultaneously penetrate through the sloping beam 1 and the insert block 32, and the locking bolts 321 are in threaded connection with the sloping beam 1.

During the installation, after the inserted block 32 wore to locate the installation cavity 11, with locking bolt 321 threaded connection in sloping 1 to make locking bolt 321 wear to locate inserted block 32 simultaneously, thereby increase the steadiness of inserted block 32 in installation cavity 11, make inserted block 32 be difficult for appearing droing, and then increased the steadiness of connecting piece 3 installation on sloping 1.

Referring to fig. 2, in order to increase the load bearing capacity of the connecting portion between the tread plate 2 and the inclined beam 1, a plurality of reinforcing columns 4 are respectively inserted and screwed into both ends of the tread plate 2, and the reinforcing columns 4 are inserted into the inclined beam 1 at the end of the tread plate 2. During the use, reinforcement post 4 can further do the support to step board 2, increases the wholeness between step board 2 and the sloping 1, and then increases the ability that connecting portion bore load between step board 2 and the sloping 1, the steadiness when increasing the follow-up use of prefabricated staircase.

Referring to fig. 2 and 3, one end of the connecting rod 31 far away from the stringer 1 penetrates through the tread plate 2, the connecting rod 31 is in threaded connection with a clamping nut 311, and the clamping nut 311 abuts on one side of the tread plate 2 far away from the stringer 1. When the step plate 2 is installed, the step plate 2 is sleeved on the connecting rod 31 of the oblique beam 1, and then the clamping nut 311 is fastened, so that the step plate 2 is fastened on the oblique beam 1, and the use stability is improved.

At this time, a receiving groove 21 is formed on one end surface of the tread plate 2 facing away from the stringer 1, the clamping nut 311 is located in the receiving groove 21, and the upper end portion of the connecting rod 31 is also located in the receiving groove 21. Thereby hide clamping nut 311 and connecting rod 31 tip, when reducing prefabricated staircase use, connecting rod 31 or clamping nut 311 cause the possibility of harm to the pedestrian.

Referring to fig. 3, the connecting rod 31 is sleeved with a washer 312, the washer 312 is located in the receiving groove 21, and the washer 312 is clamped between the bottom wall of the receiving groove 21 and the clamping nut 311. The gasket 312 is arranged to increase the clamping effect of the clamping nut 311 on the tread plate 2 and the stability of the tread plate 2 mounted on the stringer 1.

Referring to fig. 3, the notch of the accommodating groove 21 is further covered with a sealing cover 5, a connecting pipe 51 is fixedly connected to an end surface of the sealing cover 5 facing to one side of the accommodating groove 21, the connecting pipe 51 is sleeved on the upper end of the connecting rod 31, and the connecting rod and the connecting pipe are in interference fit.

The sealing cover 5 can protect the accommodating groove 21, so that the possibility that external sundries or water are accumulated in the accommodating groove 21 is reduced; in addition, the cover 5 is connected to the connecting rod 31 through the connecting pipe 51, so that the stability of the cover 5 after being covered in the accommodating groove 21 is improved, and the possibility of falling off of the cover 5 is reduced.

The implementation principle of stair for assembly type structure of the embodiment of this application does: when the building stair is constructed, only two oblique beams 1 are erected in a building, and then the connecting pieces 3 are installed on the oblique beams 1. At this time, the connecting rod 31 is vertically inserted into the mounting cavity 11 from the upper opening of the mounting cavity 11, and then the insert 32 is inserted into the mounting cavity 11 from the side opening of the mounting cavity 11, so that the insert 32 can be clamped in the clamping groove of the connecting rod 31, and then the locking bolt 321 is fastened. Finally, the step plate 2 is fitted over the coupling rods 31 of the sloping beam 1, and then the clamp nuts 311 are fastened, thereby fastening the step plate 2 to the sloping beam 1.

Thereby in the stair work progress, can be with whole a plurality of units that divide into of stair hoist and mount or transport, assemble afterwards to reduce the volume and the weight in each transportation, make more light during the transportation, and the security is high, the convenience when improving stair construction.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a stair for prefabricated building, includes two prefabricated sloping (1) and a plurality of step board (2), its characterized in that: both ends of step board (2) all can be dismantled and be connected with connecting piece (3), connecting piece (3) at step board (2) both ends are the one-to-one respectively can be dismantled and connect in two sloping (1), and are a plurality of step board (2) are along the length direction distribution of sloping (1).

2. The fabricated building staircase of claim 1, wherein: connecting piece (3) include connecting rod (31) and inserted block (32), installation cavity (11) have been seted up to the position that sloping (1) corresponds connecting piece (3), connecting rod (31) one end can be dismantled and connect in flier (2), installation cavity (11) inside is worn to locate by connecting rod (31) other end, the draw-in groove has been seted up to the one end that connecting rod (31) are located installation cavity (11), inserted block (32) are worn to locate installation cavity (11) on sloping (1) equally inside, just inserted block (32) card is located the draw-in groove on connecting rod (31).

3. The fabricated building staircase of claim 2, wherein: one end of the connecting rod (31) far away from the inclined beam (1) penetrates through the step plate (2), the connecting rod (31) is in threaded connection with a clamping nut (311), and the clamping nut (311) abuts against one side, deviating from the inclined beam (1), of the step plate (2).

4. The assembly type staircase for construction according to claim 2, wherein: the oblique beam (1) is provided with a locking bolt (321) which is simultaneously penetrated through the oblique beam and the insertion block (32).

5. The fabricated building staircase of claim 2, wherein: the part of the connecting rod (31) penetrating through the mounting cavity (11) is in a prism structure.

6. The assembly type staircase for construction according to claim 2, wherein: step board (2) both ends are all worn to establish and threaded connection has a plurality of reinforcement post (4), sloping (1) that step board (2) tip place is worn to locate in reinforcement post (4).

7. The fabricated building staircase of claim 3, wherein: one side terminal surface that footboard (2) deviate from sloping (1) offers holding tank (21) that are used for holding clamping nut (311), connecting rod (31) cover is equipped with gasket (312), gasket (312) are by the centre gripping between holding tank (21) diapire and clamping nut (311).

8. The assembly type staircase for construction according to claim 7, wherein: step board (2) are provided with closing cap (5) that are used for closing holding tank (21) notch, closing cap (5) are towards terminal surface fixedly connected with connecting pipe (51) of holding tank (21) one side, connecting rod (31) tip and both looks interference fit are located to connecting pipe (51) cover.