CN213682917U

CN213682917U - Connection structure of assembled stair and wall body

Info

Publication number: CN213682917U
Application number: CN202022543898.0U
Authority: CN
Inventors: 谭海鹏; 郭翠娟
Original assignee: Foshan City New District Of Shunde Construction Engineering Co ltd
Current assignee: Foshan City New District Of Shunde Construction Engineering Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-13
Anticipated expiration: 2030-11-05

Abstract

The application relates to a connecting structure of an assembled stair and a wall body, which comprises a step block assembled between an upper platform and a lower platform to form a stair channel; the fastener is arranged between two adjacent step blocks and used for connecting the two adjacent step blocks; and a support railing installed on the upper platform and installed on the lower platform at the other side on one side for supporting the step block, the step block is set into the L type and the inside steel plate that has shape looks adaptation all inlayed, step block top one side integrated into one piece has sand grip, bottom to keep away from sand grip one side and all sets up the recess with sand grip looks adaptation, the upper platform side is close to sand grip one side looks adaptation with the step block of installing in the top. This application has the characteristics that stair assembly molding can be when building stair to reach the effect that reduces building construction period and reduce the building rubbish of removal process.

Description

Connection structure of assembled stair and wall body

Technical Field

The application relates to the technical field of stairs, in particular to a connecting structure of an assembly type stair and a wall body.

Background

The stair is the very important perpendicular passageway among the multi-storey building, especially need under the urgent sparse condition, and in steel construction building, most passageway stair all adopt cast in situ reinforced concrete stair, and this kind of stair fastness is good, and it is effectual to give sound insulation, and non-maintaining.

Cast-in-place reinforced concrete stairs are generally constructed by building a model on two platforms of a stair to be constructed, binding reinforcing steel bars to strengthen the strength of the stair, then pouring concrete on the model to fixedly connect the stair and the two platforms, and detaching the poured model after the concrete is solidified and molded, thereby realizing that the reinforced concrete stair is fixedly connected on the two platforms.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the cast-in-place reinforced concrete construction process is troublesome, the construction speed is low, the whole construction period of the building is influenced, and meanwhile, after the building is disassembled, construction waste can be generated, so that further improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the manufacturing efficiency of the stairs, the construction period of a building is shortened, and meanwhile, the construction waste formed by detaching the stairs is reduced.

The application provides a connection structure of assembled stair and wall body adopts following technical scheme:

a connecting structure of an assembled stair and a wall body comprises a stair block which is assembled between an upper platform and a lower platform to form a stair channel; the fastener is arranged between two adjacent step blocks and used for connecting the two adjacent step blocks; and a support railing installed on the upper platform and installed on the lower platform at the other side on one side for supporting the step block, the step block is set into the L type and the inside steel plate that has shape looks adaptation all inlayed, step block top one side integrated into one piece has sand grip, bottom to keep away from sand grip one side and all sets up the recess with sand grip looks adaptation, the upper platform side is close to sand grip one side looks adaptation with the step block of installing in the top.

Through adopting above-mentioned technical scheme, set up the step piece, can prefabricate the step piece in the mill earlier, carry again to the construction site and install, thereby can improve the efficiency of building construction, in addition, when building removal, can dismantle reuse with stair, in order to reduce the production of building rubbish, set up the fastener, can consolidate the connection between the step piece, thereby improve the security of assembled stair, set up the support railing, utilize the support railing both sides to support the holding power on upper mounting plate and lower mounting plate, in order to support the step piece that is in between upper mounting plate and the lower mounting plate, thereby improve the steadiness of step piece.

Preferably, the steel sheet is close to sand grip one side setting under the sand grip on the lateral wall, be close to recess one side kickup setting on the lower lateral wall of recess, the fastener includes from up penetrating in proper order down the vertical screw rod of the sand grip of step piece bottom and adjacent next stage step piece down.

By adopting the technical scheme, the longitudinal screw rods are arranged, so that the connection between two adjacent stair blocks can be enhanced, and the safety of the assembled stair is improved.

Preferably, the longitudinal screw penetrates through the raised strip part of the adjacent next-stage step block to be separately provided with a positioning hole, and the step block is horizontally provided with a transverse screw which sequentially penetrates through the bottom of the step block, the raised strip part of the adjacent next-stage step block and the positioning hole on the longitudinal screw.

By adopting the technical scheme, the transverse screw rods are arranged, on one hand, the position of the longitudinal screw rods can be limited to reinforce the longitudinal screw rods, and on the other hand, the connection between two adjacent step blocks can be further improved.

Preferably, many bracing pieces are vertically installed on the handrail pole of support railing, the backup pad that the top is inconsistent with step piece bottom surface that corresponds is installed to the bracing piece bottom.

Through adopting above-mentioned technical scheme, set up bracing piece and backup pad, can utilize the holding power at railing both ends to support the step piece that is in between upper mounting plate and the lower platform to improve the overall stability of falling body, thereby can further improve the security of stair.

Preferably, the steel plate installed in the step block of the upper platform extends outwards and horizontally near one end of the upper platform and is embedded into the upper platform, and a plurality of fastening bolts penetrating through the steel plate embedded part of the upper platform are installed at the bottom of the upper platform.

Through adopting above-mentioned technical scheme, set up fastening bolt, can consolidate being connected between assembled stair and the upper mounting plate to improve assembled stair's steadiness.

Preferably, the support railing supports main tributary support axle bottom cover on upper mounting plate and lower platform and is equipped with the reinforcement ring, the reinforcement ring is fixed on upper mounting plate and lower platform through the screw.

Through adopting above-mentioned technical scheme, set up the reinforcement ring, can improve the fastness of supporting the railing to can further improve the steadiness of assembled stair.

Preferably, the cross-sectional area of the reinforcement ring increases from the top end face to the bottom end face.

Through adopting above-mentioned technical scheme, the area of the cross section that will consolidate the ring increases from top terminal surface to bottom terminal surface gradually, can reduce the focus that consolidates the ring to improve the stability of consolidating the ring, can also increase the contact surface between reinforcement ring and upper mounting plate and the lower platform, thereby can further improve the fastness of supporting railing.

Preferably, the bent part of the vertical surface at the bottom of the stair block and the horizontal plane is set to be an arc surface.

By adopting the technical scheme, the bending part between the vertical surface at the bottom of the step block and the horizontal plane is set to be the arc surface, so that the stress concentration condition of the step block can be reduced, and the performance of the step block can be improved.

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

1. the stair can be disassembled and assembled by arranging the step blocks which can be spliced, so that on one hand, the construction speed of the stair of the building can be improved, the construction efficiency of building workers can be improved, on the other hand, the construction waste can be reduced when the building is disassembled, the environment-friendly effect can be achieved, and the connection between two adjacent step blocks can be reinforced by arranging the longitudinal screw rods and the transverse screw rods, so that the safety of the assembled stair is improved;

2. through setting up bracing piece and backup pad, can utilize the supporting role of support railing main tributary supporting axle to support the step piece that is in between upper mounting plate and the lower platform to further improve the steadiness of assembled stair, through setting up the reinforcement ring, can improve the fastness of supporting the railing, thereby further strengthen the support performance of supporting the railing.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a step block in the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a longitudinal screw and a transverse screw in the embodiment of the present application.

Description of reference numerals: 1. a stair block; 10. an upper platform; 11. a lower platform; 12. a convex strip; 13. a groove; 14. a circular arc surface; 2. a support rail; 20. a grab rail; 21. a support bar; 22. a support plate; 23. a reinforcing ring; 3. a steel plate; 4. a longitudinal screw; 40. positioning holes; 41. a transverse screw; 5. and fastening the bolt.

Detailed Description

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

The embodiment of the application discloses connection structure of assembled stair and wall body.

Referring to fig. 1, the connection structure of the fabricated staircase and the wall includes a step block 1 assembled between an upper platform 10 and a lower platform 11, referring to fig. 2, in this embodiment, the step block 1 is L-shaped, a steel plate 3 having the same shape as the step block 1 is embedded inside, so as to improve the strength of the step block 1, a protruding strip 12 is integrally formed on one side of the top of the step block 1, the extending direction of the protruding strip 12 is the same as the extending direction of the step block 1, a groove 13 adapted to the protruding strip 12 is formed on one side of the bottom of the step block 1 away from the protruding strip 12, the extending direction of the groove 13 is the same as the extending direction of the protruding strip 12, the protruding strip 12 of the step block 1 below is embedded into the groove 13 of the step block 1 above, so that a plurality of step blocks 1 can be spliced into the.

In order to reinforce the connection firmness between two adjacent step blocks 1, in this embodiment, one end of the steel plate 3 in the step block 1 extends to the bottom of the protruding strip 12, and the other end of the steel plate bends 90 degrees towards the direction of the groove 13, after the protruding strip 12 of the next step block 1 is embedded into the groove 13 of the step block 1, referring to fig. 3, a longitudinal screw rod 4 is arranged at the bottom of the step block 1 in a penetrating manner, the longitudinal screw rod 4 sequentially penetrates from the bottom of the step block 1 to the protruding strip 12 of the next step block 1 from bottom to top, so that the next step block 1 is stably installed in the step block 1, and the connection between two adjacent step blocks 1 can be reinforced.

In order to further reinforce the connection between the two step blocks 1 and improve the safety of the fabricated stairway, in the embodiment, the position where the longitudinal screw 4 is embedded into the convex strip 12 of the step block 1 of the next stage is provided with the positioning hole 40, the bottom of the step block 1 is horizontally provided with the transverse screw 41, and the transverse screw 41 sequentially passes through the bottom of the step block 1, the convex strip 12 of the step block 1 of the next stage and the positioning hole 40 on the longitudinal screw 4, so that the connection between the two step blocks 1 can be further improved, the loosening condition of the longitudinal screw 4 can be reduced, and the firmness of the longitudinal screw 4 can be reinforced.

Therefore, in order to solve this problem, in this embodiment, the arc surface 14 is provided at the bending point between the vertical surface of the bottom of the step block 1 and the horizontal surface, and meanwhile, this arc surface 14 also has the function of a reinforcing rib, so that the strength of the step block 1 can be improved.

Referring to fig. 1, the mounting surface of the upper platform 10 is configured to have a contour adapted to the step blocks 1, the steel plate 3 of the uppermost step block 1 extends a predetermined distance from the side close to the upper platform 10 and is embedded into the upper platform 10, a fastening bolt 5 is inserted into the position where the steel plate 3 is embedded in the bottom of the upper platform 10, the fastening bolt 5 locks the steel plate 3 of the uppermost step block 1 in the upper platform 10, so that the step block 1 can be stably mounted on the upper platform 10, the bottom of the lowermost step block 1 is embedded into the lower platform 11, and meanwhile, one end of the steel plate 3 in the step block 1 close to the groove 13 extends to be embedded into the lower platform 11 to reinforce the stability of the lowermost step block 1.

The stair blocks 1 are spliced to form a stair with a suspended middle part, and the stair blocks 1 in the middle part are easy to collapse due to the action of gravity, so that in order to solve the problem, in this embodiment, the supporting rails 2 are installed at two sides between the upper platform 10 and the lower platform 11, one end of the main supporting shaft at two ends of the supporting rail 2 at one side is installed on the upper platform 10, the other end is installed on the lower platform 11, a grab bar 20 is connected between the two main supporting shafts, a plurality of supporting rods 21 are vertically arranged on the grab bar 20 side by side, a supporting plate 22 is arranged at the bottom of the supporting rod 21, the top of the supporting plate 22 is contacted with the bottom surface of the step block 1 at the corresponding position, therefore, the stair blocks 1 can be supported on the upper platform 10 and the lower platform 11 through the supporting effect of the supporting railings 2, and then the stability of the fabricated stair can be improved, so that the safety of the fabricated stair is further improved.

In order to improve the stability of the supporting balustrade 2, in this embodiment, a reinforcing ring 23 is sleeved at the bottom of the two main supporting shafts of the supporting balustrade 2, the radius of the reinforcing ring 23 is larger than that of the two main supporting shafts of the supporting balustrade 2, the reinforcing ring 23 is fixed on the upper platform 10 and the lower platform 11 by screws, and meanwhile, the cross-sectional area of the reinforcing ring 23 is gradually increased from the top end surface to the bottom end surface, so that not only the center of gravity of the reinforcing ring 23 can be reduced to improve the stability of the reinforcing ring 23, but also the contact area between the bottom of the reinforcing ring 23 and the upper platform 10 and the lower platform 11 can be increased, and the stability of the reinforcing ring 23.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, 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 connection structure of assembled stair and wall body which characterized in that: comprises a stair block (1) which is assembled between an upper platform (10) and a lower platform (11) to form a stair channel;

the fastener is arranged between two adjacent stair blocks (1) and used for connecting the two adjacent stair blocks (1);

and a supporting railing (2) with one side installed on the upper platform (10) and the other side installed on the lower platform (11) for supporting the step block (1),

step piece (1) all sets to the L type and inside steel sheet (3) that all inlayed shape looks adaptation, step piece (1) top one side integrated into one piece has sand grip (12), bottom to keep away from sand grip (12) one side and all sets up recess (13) with sand grip (12) looks adaptation, upper mounting plate (10) side is close to sand grip (12) one side looks adaptation with step piece (1) of installing in the top.

2. The structure of claim 1, wherein the assembled staircase and the wall are connected together by: steel sheet (3) are close to sand grip (12) one side and set up on sand grip (12) lower lateral wall, are close to recess (13) one side kickup and set up on the lower lateral wall of recess (13), the fastener includes from down up penetrates in proper order indulging screw rod (4) in sand grip (12) of step piece (1) bottom and adjacent next-stage step piece (1).

3. The structure of claim 2, wherein the assembled staircase and the wall are connected together by: the vertical screw (4) penetrates through the raised strip (12) part of the adjacent next-stage step block (1) to be provided with a positioning hole (40), and the step block (1) is horizontally provided with a horizontal screw (41) which sequentially penetrates through the raised strip (12) at the bottom of the step block (1), the adjacent next-stage step block (1) and the positioning hole (40) on the vertical screw (4).

4. The structure of claim 1, wherein the assembled staircase and the wall are connected together by: many bracing pieces (21) are vertically installed on handrail pole (20) of support railing (2), backup pad (22) that the top is inconsistent with step piece (1) bottom surface that corresponds are installed to bracing piece (21) bottom.

5. The structure of claim 1, wherein the assembled staircase and the wall are connected together by: install at last platform (10) steel sheet (3) in step piece (1) are close to the outside level of last platform (10) one end and extend and imbed to during last platform (10), just a plurality of fastening bolt (5) of wearing to establish at last platform (10) and inlaying steel sheet (3) part are installed to the bottom of last platform (10).

6. The structure of claim 1, wherein the assembled staircase and the wall are connected together by: support railing (2) support main tributary supporting shaft bottom cover on last platform (10) and lower platform (11) is equipped with reinforcement ring (23), reinforcement ring (23) pass through the fix with screw on last platform (10) and lower platform (11).

7. The structure of claim 6, wherein the assembled staircase and the wall are connected together by the following components: the cross-sectional area of the reinforcing ring (23) increases from the top end face to the bottom end face.

8. The structure of claim 1, wherein the assembled staircase and the wall are connected together by: the bending part of the vertical surface at the bottom of the stair block (1) and the horizontal plane is provided with an arc surface (14).