CN219509021U

CN219509021U - Assembled stair

Info

Publication number: CN219509021U
Application number: CN202320637318.5U
Authority: CN
Inventors: 丁欣欣; 王文广; 龚婷; 周东珊; 王晓杰; 钟亮; 马泽锋
Original assignee: Zhejiang Yasha Decoration Co Ltd
Current assignee: Zhejiang Yasha Decoration Co Ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-11
Anticipated expiration: 2033-03-28

Abstract

The utility model aims to provide an assembled stair, which comprises two connecting beams, a plurality of tread base plates arranged between the two connecting beams and used as treads, and a plurality of detachable pedal support frames arranged between the two connecting beams, wherein each pedal support frame comprises an upper support plate and a lower support plate which are sequentially arranged in the height direction, and the upper support plate of one pedal support frame and the lower support plate of the adjacent pedal support frame jointly support the same tread base plate and are detachably connected with the same pedal base plate. The upper support plate of one pedal support frame and the lower support plate of the adjacent pedal support frame support the same stepping substrate together, and the two support plates form two support points and bear external force brought by the stepping substrate together. The two supporting points support together, so that deformation of the pedal support frame caused by excessive stress or uneven stress can be avoided, and the base plate can be effectively supported for a long time, so that the firmness of the fabricated stair is enhanced.

Description

Assembled stair

Technical Field

The utility model relates to the technical field of assembled building components, in particular to an assembled stair.

Background

The assembled building is formed by transferring a large amount of field operation work in a traditional building mode to a factory, prefabricating building components and accessories in the factory, and transporting the prefabricated building components and accessories to a building construction site for assembly. The prefabricated building mainly comprises prefabricated concrete structures, steel structures, modern wood structure buildings and the like, and based on the characteristics of prefabrication, the prefabricated building has the advantages of simple structure, low manufacturing cost, short manufacturing period, convenience in installation and the like. Among them, fabricated stairways are an important part of fabricated constructions.

Chinese patent document with publication number CN205531085U discloses a combined assembled stair, comprising an upper ladder beam and a lower ladder beam, a ladder plate fixed between the two ladder beams, and a plurality of stair treads fixedly connected on the ladder plate. Each stair tread comprises a tread panel serving as a tread surface and a tread side plate used for supporting the tread panel, and the tread side plate and the tread panel are of an integrated structure. Among the two adjacent stair pedals, the bottom end of the stepping side plate of the last stair pedal is fixed on the stepping panel of the next stair pedal. The combined assembly type stair is good in universality and quick to assemble, and the following defects still exist: the main stress end of the tread panel is only supported by the tread side plates, and the tread side plates are easy to deform under stress, so that the stair structure is not firm, and hidden danger exists in safety; and because the panel and the curb plate integrated into one piece of marking time, when the curb plate of marking time damages, need change the panel of marking time simultaneously, in addition, because interconnect between each stair footboard, when the stair footboard that is located the centre need change, need dismantle all stair footboard just can dismantle, it is complicated to dismantle the installation step.

Disclosure of Invention

The utility model aims to provide an assembled stair which is firm in structure, simple to assemble and convenient to install and detach.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides an assembled stair, contains two tie-beams and a plurality of setting are two be used for the base plate of marking time of tread between the tie-beams, still contain a plurality of detachable install two pedal support frame between the tie-beams, the pedal support frame contains the last backup pad and the lower backup pad of arranging in proper order in the direction of height, one the last backup pad of pedal support frame supports together with the lower backup pad of its adjacent pedal support frame same base plate of marking time and rather than detachable connection.

Therefore, when the assembled stair is installed, two connecting beams are installed firstly, then a plurality of pedal support frames are detachably installed between the two connecting beams, and finally the stepping base plate is installed. The pedal support frame comprises an upper support plate and a lower support plate, the upper support plate of one pedal support frame and the lower support plate of the adjacent pedal support frame support the same stepping substrate together, two support points are formed by the two support plates, and external force brought by the stepping substrate is born together. The two supporting points support together, so that deformation of the pedal support frame caused by excessive stress or uneven stress can be avoided, and the base plate can be effectively supported for a long time, so that the firmness of the fabricated stair is enhanced.

In addition, only need install pedal support frame just accomplish the installation of last backup pad and lower backup pad once, reduced the installation number of times. And all be detachable between every footboard support frame and the tie beam, every base plate of marking time and the footboard support frame, single part damage all can dismantle alone, need not to demolish all base plates of marking time and the footboard support frame, it is convenient to dismantle.

Preferably, the pedal support frame includes a support riser connected to the upper support plate and the lower support plate and extending in a height direction.

Preferably, the pedal structure comprises a plurality of facing side pedals, each facing side pedal is detachably connected with one supporting vertical plate, and the upper end and the lower end of each facing side pedal are respectively abutted with two adjacent stepping base plates.

Preferably, the device comprises a tail support frame detachably arranged between the two connecting beams, and the tail support frame and the upper support plate or the lower support plate jointly support the same stepping substrate.

Preferably, the connecting beam comprises a plurality of positioning clamping grooves which are distributed at equal intervals, and the pedal support frame comprises a positioning clamping block which is clamped with the positioning clamping grooves.

Preferably, the connection beam comprises more than two detachably connected spliced beam sections.

Preferably, a sleeve for sleeving two adjacent spliced girder segments and a fixing piece passing through the sleeve and the spliced girder segments to fix the relative positions of the sleeve and the spliced girder segments are included.

Preferably, the pedal support frame comprises a first connecting plate connected with the support vertical plate, a second connecting plate connected with the upper support plate and a third connecting plate connected with the lower support plate; the first connecting plate, the second connecting plate and the third connecting plate are detachably connected with the connecting beam.

Preferably, the first connecting plate, the second connecting plate and the third connecting plate each comprise an opening for a connecting piece to pass through to connect the connecting beams.

Preferably, the tread base plate and the facing side tread each comprise a plurality of through holes for connecting pieces to pass through to connect the tread support frame.

In summary, the embodiment of the utility model has the following beneficial effects:

1. the upper support plate of one pedal support frame and the lower support plate of the adjacent pedal support frame support the same stepping substrate together. The two supporting plates form two supporting points and bear external force brought by the stepping base plate together, so that deformation of the pedal supporting frame caused by excessive stress or uneven stress can be avoided, the stepping base plate can be effectively supported for a long time, and the firmness of the fabricated stair is enhanced.

2. Because the upper supporting plate and the lower supporting plate are integrated on one pedal supporting frame, the installation is convenient. And all be detachable between every footboard support frame and the tie beam, every base plate of marking time and the footboard support frame, single part damage all can dismantle alone, need not to demolish all base plates of marking time and the footboard support frame, it is convenient to dismantle.

3. The connecting beam comprises a plurality of equidistance distributed positioning clamping grooves, and the pedal support frame comprises positioning clamping blocks clamped with the positioning clamping grooves. During installation, the pedal support frame can be positioned by only placing the positioning clamping blocks in the positioning clamping grooves, and the pedal support frame is convenient to install and can accurately ensure that the distance value between adjacent pedal support frames is fixed.

4. The pedal support frame includes a support riser connected to the upper support plate and the lower support plate and extending in the height direction. After extending in the height direction, the supporting vertical plate can serve as a side plate of the stair, and forms a tread and a side surface of the stair with the stepping base plate. When the supporting vertical plate directly serves as a stair side plate, the step that an installer needs to install the side plate originally is reduced, and the construction progress is quickened.

5. In order to conveniently install the stepping base plates at the head end and the tail end, a tail end supporting frame is further arranged. The tail end support frame is detachably connected with the connecting beam and can be a mounting plate structure. The tail end support frame and the upper support plate or the lower support plate support the same stepping substrate together, so that the problem that the pedal support frames at the two tail ends at the head cannot form a plane for installing the stepping substrate independently is avoided.

Drawings

FIG. 1 is a schematic view of the present embodiment;

FIG. 2 is a schematic view of a connection beam, pedal support bracket, and ferrule;

FIG. 3 is a schematic illustration of a connection beam and a ferrule;

FIG. 4 is a schematic view of a pedal support bracket;

FIG. 5 is a schematic view of a tread base plate and a facing side tread.

In the figure:

1. a connecting beam; 11. positioning clamping grooves; 12. splicing beam sections; 2. a stepping substrate; 3. a pedal support; 31. an upper support plate; 32. a lower support plate; 33. a supporting vertical plate; 34. positioning a clamping block; 35. a first connecting plate; 36. a second connecting plate; 37. a third connecting plate; 4. a veneer side pedal; 5. a tail end support; 6. and (5) sleeving the pipe.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

As shown in fig. 1 and 2, an assembled stair comprises a tread base plate 2 serving as a tread, a tread support frame 3 for mounting the tread base plate 2, and two connecting beams 1 for connecting the tread support frame 3. The two connecting beams 1 are connected with the corner brace through the drilling screw, and the corner brace is detachably connected with the ground and the wall through the expansion bolts to form a base layer support structure of the stair. And connecting the beam structures such as the beam 1-position steel beam, the wood beam and the like.

The plurality of pedal support frames 3 are detachably connected with the connecting beam 1, each pedal support frame 3 comprises an upper support plate 31 and a lower support plate 32 which are sequentially arranged in the height direction, and the upper support plate 31 of one pedal support frame 3 and the lower support plate 32 of the adjacent pedal support frame 3 support the same stepping substrate 2 together. The two support plates form two support points and bear the external force brought by the stepping base plate 2 together. The two supporting points support together, so that deformation of the pedal support frame 3 caused by excessive stress or uneven stress can be avoided, and the base plate 2 can be effectively supported for a long time, and the firmness of the fabricated stairway is enhanced.

In addition, since the upper support plate 31 and the lower support plate 32 are integrated on one pedal support frame 3, the installation is convenient. And all be detachable connection between every footboard support frame 3 and the tie beam 1, between every base plate 2 and the footboard support frame 3 of marking time, single part damage all can dismantle alone, need not to demolish all base plates 2 and footboard support frame 3 of marking time, and it is convenient to dismantle.

Since each tread base plate 2 is fixed in size, the interval between the upper support plate 31 and the lower support plate 32 for mounting the tread base plate 2 needs to be fixed, i.e., the interval between every two adjacent tread support frames 3 in the height and horizontal directions is uniform. In the past, the positions of the pedal support frames 3 are positioned in a line drawing mode on the connecting beam 1, but the line drawing efficiency is low, errors are easy to occur, and the pedal support frames 3 need to be detached and reinstalled after the errors occur. For convenience and accurate positioning of the pedal support frame 3, as shown in fig. 3 and 4, the connecting beam 1 includes a plurality of positioning slots 11 distributed at equal intervals, and the pedal support frame 3 includes positioning blocks 34 engaged with the positioning slots 11. The pedal support frame 3 can be positioned by only placing the positioning clamping blocks 34 in the positioning clamping grooves 11 during installation, and the pedal support frame 3 is convenient to install and can accurately ensure that the distance value between the adjacent pedal support frames 3 is fixed.

As shown in fig. 2 and 4, the pedal support frame 3 includes a support riser 33 connected to the upper support plate 31 and the lower support plate 32 and extending in the height direction. The support risers 33, after extending in the height direction, can act as side panels for the stairs, forming the tread and sides of the stairs with the tread base plate 2. When the support riser 33 directly acts as a stair side plate, the steps that an installer originally needs to install the side plate are reduced, and the construction progress is quickened.

As shown in fig. 1 and 5, in order to achieve the functions of aesthetic appearance and coating the thickened protection pedal support frame 3, the device further comprises a plurality of facing side pedals 4, each facing side pedal 4 is detachably connected with one support vertical plate 33, and the upper end and the lower end of each facing side pedal 4 are respectively abutted with two adjacent stepping base plates 2.

As shown in fig. 2, in order to conveniently install the stepping base plates 2 at the front and rear ends, a rear supporting frame 5 is further provided. The tail end support frame 5 is detachably connected with the connecting beam 1 and can be a mounting plate structure. The tail end support frame 5 and the upper support plate 31 or the lower support plate 32 support the same stepping substrate 2 together, so that the situation that the pedal support frames 3 at the first two tail ends cannot form a plane for installing the stepping substrate 2 independently is avoided.

As shown in fig. 1, 2 and 3, the connecting beam 1 comprises more than two detachably connected spliced beam sections 12, two adjacent spliced beam sections 12 are connected in a sleeved mode through the sleeved pipe 6, and fixing pieces penetrate through the sleeved pipe 6 and fix the two opposite positions of the spliced beam sections 12, wherein the fixing pieces can be of a connecting structure such as bolts and buckles. The connecting beam 1 is spliced by more than two spliced beam sections 12, so that the length of the stair can be flexibly adjusted according to actual needs.

As shown in fig. 2 and 4, the pedal support frame 3 includes a first connection plate 35 connected to the support riser 33, a second connection plate 36 connected to the upper support plate 31, and a third connection plate 37 connected to the lower support plate 32; the first connecting plate 35, the second connecting plate 36 and the third connecting plate 37 are detachably connected with the connecting beam 1. The first connecting plate 35, the second connecting plate 36 and the third connecting plate 37 are connected with the connecting beam 1 together to form a plurality of supporting points, so that the upper supporting plate 31 and the lower supporting plate 32 can be firmly supported, and the firmness of the stair structure is ensured.

As shown in fig. 4 and 5, the first, second and third connection plates 35, 36 and 37 each include an opening through which the connection member passes to connect the connection beam 1. The tread base plate 2 and the facing side tread 4 each comprise a plurality of through holes for connecting the tread support frame 3 through which the connecting members pass.

Claims

1. The utility model provides an assembled stair, contains two tie-beams (1) and a plurality of setting are two be used for tread base plate (2) between tie-beams (1), its characterized in that still contains a plurality of detachable install in two footboard support frame (3) between tie-beams (1), footboard support frame (3) contain upper support plate (31) and lower backup pad (32) that arrange in proper order in the direction of height, one upper support plate (31) of footboard support frame (3) and lower backup pad (32) of its adjacent footboard support frame (3) support together same base plate (2) and rather than detachable connection of marking time.

2. A fabricated stairway according to claim 1, characterised in that the tread support (3) comprises a support riser (33) connected to the upper support plate (31) and the lower support plate (32) and extending in height direction.

3. A fabricated stairway according to claim 2, comprising a plurality of facing side treads (4), wherein each of the facing side treads (4) is detachably connected to one of the supporting risers (33), and upper and lower ends of the facing side treads (4) are respectively abutted against the adjacent two tread base plates (2).

4. A fabricated stairway according to claim 1, comprising a tail support (5) detachably mounted between two of the connection beams (1), the tail support (5) supporting the same tread base plate (2) together with the upper support plate (31) or the lower support plate (32).

5. A fabricated stairway according to claim 1, wherein the connecting beam (1) comprises a plurality of equally spaced detent grooves (11), and the pedal support (3) comprises detent blocks (34) which engage with the detent grooves (11).

6. A fabricated stairway according to claim 1, characterised in that the connection beam (1) comprises more than two detachably connected spliced beam sections (12).

7. A fabricated stairway according to claim 6, characterised in that it comprises a ferrule (6) for nesting two adjacent spliced girder segments (12) and a fixing member passing through the ferrule (6) and spliced girder segments (12) to fix the relative positions of the two.

8. A fabricated stairway according to claim 2, characterised in that the tread support frame (3) comprises a first connection plate (35) connected to the support riser (33), a second connection plate (36) connected to the upper support plate (31) and a third connection plate (37) connected to the lower support plate (32); the first connecting plate (35), the second connecting plate (36) and the third connecting plate (37) are detachably connected with the connecting beam (1).

9. A fabricated stairway according to claim 8, characterised in that the first connection plate (35), the second connection plate (36) and the third connection plate (37) each comprise openings for connection members to pass through for connection to the connection beams (1).

10. A fabricated stairway according to claim 3, wherein the tread base plate (2) and the finishing side tread (4) each comprise a plurality of through holes for connection members to pass through to connect the tread support frame (3).