CN210563064U

CN210563064U - Prefabricated staircase

Info

Publication number: CN210563064U
Application number: CN201921261155.5U
Authority: CN
Inventors: 黄伟华
Original assignee: Huizhou Hongtai Construction Engineering Co Ltd
Current assignee: Huizhou Hongtai Construction Engineering Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-19
Anticipated expiration: 2029-08-05

Abstract

The utility model relates to a technical field of stair, more specifically say, it relates to a prefabricated staircase, including the stair body, a higher level floor and the subordinate's floor for installing the stair body, higher level floor and subordinate's floor have been close to the one end of stair body and have been seted up the mounting groove, the upper and lower both ends difference fixedly connected with of stair body is gone up mounting panel and lower mounting panel, go up mounting panel and lower mounting panel joint respectively in the mounting groove that corresponds higher level floor and subordinate's floor, the degree of depth of mounting groove equals the thickness of last mounting panel and lower mounting panel, it is used for fixing coupling assembling and the fastening components together with last mounting panel and higher level floor to go up to be equipped with between mounting panel and the higher level floor, be equipped with between lower mounting panel and the subordinate's. The utility model discloses the installation is simple quick and erection joint firm, has better stability and security.

Description

Prefabricated staircase

Technical Field

The utility model relates to a technical field of stair, more specifically say, it relates to a prefabricated stair.

Background

In our daily lives, stairs are a very common building. The traditional stair is made of a reinforced concrete structure, the concrete cast-in-place stair construction method is old, the construction process is complex, and the construction period is long, so that the construction cost of the building is increased. Some prefabricated staircases that exist in the market at present are used for solving some drawbacks that the construction of above-mentioned cast-in-place stair of traditional concrete leads to. Like a prefabricated stair board that publication number CN205663121U discloses, including prefabricated stair body, be equipped with on the prefabricated stair body and mark time, be equipped with the installation preformed hole at prefabricated stair body topmost and lower extreme upper surface for connect the installation prefabricated stair body. Although this prefabricated staircase overall structure is simple, and construction cycle is short and the installation is simple swift, it only connects through two installation preformed holes and the floor of stair body upper end and lower extreme, has the drawback that erection joint is firm inadequately, has certain danger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of above-mentioned prior art, the utility model aims at providing a prefabricated staircase, its installation is simple quick and erection joint is firm, has better stability and security.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a prefabricated staircase, including the stair body, a higher level floor and subordinate's floor for installing the stair body, higher level floor and subordinate's floor have seted up the mounting groove near the one end of stair body, mounting panel and lower mounting panel on the upper and lower both ends difference fixedly connected with of stair body, the mounting panel is connected in the mounting groove that corresponds higher level floor and subordinate's floor respectively with lower mounting panel, the degree of depth of mounting groove equals mounting panel and lower mounting plate thickness, be equipped with between upper mounting panel and the higher level floor and be used for fixing coupling assembling and the fastening components together with upper mounting panel and higher level floor, be equipped with between lower mounting panel and the subordinate's floor and be used for fixing coupling assembling and the fastening components together with.

By adopting the technical scheme, the mounting plates at the upper end and the lower end of the stair body are respectively inserted into the grooves of the upper-level floor slab and the lower-level floor slab, so that the stair body is connected with the upper-level floor slab and the lower-level floor slab, and the depth of the mounting grooves is equal to the thickness of the upper mounting plate and the lower mounting plate, so that pedestrians can be prevented from being stumbled by the raised parts when walking from the lower-level floor slab or the upper-level floor slab to the stair; the connecting assembly can connect the upper end and the lower end of the stair body with the lower-level floor slab and the upper-level floor slab respectively and stably.

Preferably, the connection assembly includes: the countersunk bolts penetrate through the upper mounting plate and the upper floor slab and the lower mounting plate and the lower floor slab, and are not less than two.

Through adopting above-mentioned technical scheme, realize simple quick connection between messenger's mounting panel and higher level floor and the subordinate's floor, and use countersunk head bolt to make the pedestrian can not stumble because of the bulge of screw at the in-process of walking, strengthened the security of stair.

Preferably, the fastening assembly comprises: the equal fixedly connected with lug of lower surface of the one end that goes up mounting panel and lower mounting panel and be close to the stair body, higher level floor and subordinate's floor are close to the one end of stair body all be equipped with the inserting groove of lug correspondence joint.

By adopting the technical scheme, the upper mounting plate and the upper floor slab, the lower mounting plate and the lower floor slab are connected through the clamping connection of the convex blocks and the inserting grooves, and the fastening assembly further improves the connection tightness of the stair body and the upper floor slab and the lower floor slab on the basis of the connecting assembly.

Preferably, the lugs are uniformly arranged along the length direction of the upper mounting plate and the lower mounting plate, and the inserting grooves are uniformly arranged along the length direction of the upper-level floor slab and the lower-level floor slab.

By adopting the technical scheme, the connection structure of the plurality of the lugs and the insertion grooves further improves the connection tightness of the stair body with the upper-level floor slab and the lower-level floor slab, so that the use safety of the stair is improved.

Preferably, the lateral wall of inserting groove runs through and is equipped with first through-hole, the lateral wall of lug runs through and is equipped with the second through-hole, and the diameter of first through-hole and second through-hole is unanimous and the position is aimed at, fastening components still including being equipped with simultaneously pass a plurality of first through-hole and second through-hole the connecting rod, the connecting rod runs through in the lateral wall of higher level floor and the lateral wall of subordinate's floor.

Through adopting above-mentioned technical scheme, pass lug and inserting groove simultaneously through the connecting rod, can make the joint between lug and the inserting groove fasten more to improve the fastening nature that stair body and higher level floor and subordinate's floor are connected further.

Preferably, there are at least two of the first through holes and the second through holes.

By adopting the technical scheme, at least two connecting rods which simultaneously penetrate through the lug and the inserting groove are arranged, and the fastening performance of clamping connection between the lug and the inserting groove is further enhanced.

Preferably, the length of connecting rod is greater than the length of higher level floor and subordinate's floor, and the both ends that the connecting rod is outstanding the lateral wall of higher level floor and subordinate's floor are equipped with the screw thread, fastening components still including with the both ends threaded connection's of connecting rod nut.

Through adopting above-mentioned technical scheme, the nut makes the connecting rod can stabilize and lock between lug and inserting groove, further improves the fastening nature that stair and higher level floor and subordinate's floor are connected.

Preferably, the nut is made of a magnetic stainless steel material, and magnets are arranged at positions where the side walls of the upper-level floor slab and the lower-level floor slab abut against the nut.

Through adopting above-mentioned technical scheme, the setting up of magnet makes the nut can adsorb the lateral wall at higher level floor and subordinate's floor by fastening, is difficult for taking place the pine and takes off to make the connecting rod more fasten the ground and lock at last mounting panel and higher level floor or down between mounting panel and the subordinate's floor, further improve the fastening nature that stair and higher level floor and subordinate's floor are connected.

Preferably, the stair body includes two sloping that are parallel to each other and the footboard of fixed connection between two sloping, the footboard is provided with a plurality of levels from top to bottom along the length direction of sloping, two be provided with the connecting plate perpendicularly between the footboard, the upper end of connecting plate and the top are nearest the footboard fixed connection of connecting plate. A drainage channel is arranged between the lower side end of the connecting plate and the pedal which is closest to the connecting plate below.

Through adopting above-mentioned technical scheme, be equipped with the water drainage tank between the footboard that the downside end of connecting plate and below are close to the connecting plate nearest and make the water stain on this footboard flow down from the water drainage tank, difficult ponding leads to the pedestrian to slip, has improved the security that stair used.

Preferably, the step plate is inclined downward in a direction of the drain tank, and the step plate is inclined downward at an angle ranging from 2 ° to 5 °.

Through adopting above-mentioned technical scheme, the slope design of footboard makes the water stain on the footboard can flow down from water drainage tank more easily, and this inclination can not experience to pedestrian's walking and cause the influence.

To sum up, the utility model discloses following beneficial effect has:

1. the connecting assembly and the fastening assembly of the prefabricated staircase enable the connection and installation of the staircase and the upper-level floor slab and the lower-level floor slab to be simple and rapid, and the connected prefabricated staircase is stable in structure;

2. this prefabricated staircase can effective drainage, prevents that ponding from causing the pedestrian to slip on the footboard, has strengthened the security that the stair used.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the assembly relationship of the present invention;

fig. 3 is a schematic structural view of a superior floor slab of the present invention;

fig. 4 is a schematic structural view of the middle stair body of the present invention.

Reference numerals: 1. a stair body; 2. a superior floor slab; 3. a lower floor slab; 4. an upper mounting plate; 5. a lower mounting plate; 6. mounting grooves; 7. inserting grooves; 8. a first through hole; 9. a magnet; 10. a bump; 11. a second through hole; 12. a pedal; 13. a connecting plate; 14. a countersunk bolt; 15. a connecting rod; 16. a nut; 17. a water discharge tank; 18. and (4) an oblique beam.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a prefabricated staircase, this prefabricated staircase is the corrosion resistant plate material, including stair body 1, be used for installing higher level floor 2 and subordinate's floor 3 of stair body 1, mounting groove 6 has all been seted up to the one end that higher level floor 2 and subordinate's floor 3 are close to stair body 1, mounting panel 4 and lower mounting panel 5 are gone up to the upper and lower both ends difference fixedly connected with of stair body 1, go up mounting panel 4 and lower mounting panel 5 joint respectively in the mounting groove 6 that corresponds higher level floor 2 and subordinate's floor 3, the degree of depth of mounting groove 6 equals the thickness of last mounting panel 4 and lower mounting panel 5. A connecting assembly and a fastening assembly for fixing the upper mounting plate 4 and the upper floor 2 together are arranged between the upper mounting plate 4 and the upper floor 2, and a connecting assembly and a fastening assembly for fixing the lower mounting plate 5 and the lower floor 3 together are arranged between the lower mounting plate 5 and the lower floor 3. The following description will be made by taking the installation method of the upper installation plate 4 and the upper floor 2 as an example, and the connection method of the lower installation plate 5 and the lower floor 3 is the same. The coupling assembling includes: the upper surface of going up mounting panel 4 is equipped with 2 countersunk head bolts 14 that run through in last mounting panel 4 and higher level floor 2, realizes going up mounting panel 4 and higher level floor 2's connection through countersunk head bolt 14 and fixes.

Referring to fig. 3 and 4, the fastening assembly includes: go up the lower fixed surface fixedly connected with lug 10 that mounting panel 4 is close to the one end of stair body 1, lug 10 evenly is provided with a plurality ofly along the length direction of last mounting panel 4, and higher level floor 2 is close to the one end of stair body 1 and is equipped with the inserting groove 7 that corresponds the joint with lug 10, and is corresponding, and inserting groove 7 also corresponds evenly along the length direction of higher level floor 2 and is provided with a plurality ofly. The side wall of each bump 10 is provided with 2 second through holes 11 in a penetrating manner, the side wall of each inserting groove 7 is also provided with 2 first through holes 8 in a penetrating manner, and the first through holes 8 and the second through holes 11 are consistent in diameter and aligned in position. First through-hole 8 and second through-hole 11 run through and are connected with connecting rod 15, and connecting rod 15 runs through in the lateral wall of higher level floor 2. The length of connecting rod 15 is greater than the length of higher level floor 2, and the both ends of the outstanding lateral wall of higher level floor 2 of connecting rod 15 are equipped with the screw thread, and the both ends threaded connection of connecting rod 15 has nut 16. The nut 16 is made of magnetic stainless steel, the annular magnet 9 is arranged at the position where the side wall of the upper floor slab 2 is abutted to the nut 16, and the nut 16 is tightly adsorbed on the side wall of the upper floor slab 2 by the magnet 9, so that the nut 16 is not easy to loosen.

The connection relation between the upper mounting plate 4 and the upper floor 2 is more stable by locking the connection between the convex blocks 10 and the insertion grooves 7 through the clamping connection between the convex blocks 10 and the insertion grooves 7 and the connection rods 15.

The stair body 1 consists of two parallel oblique beams 18 and pedals 12 fixedly connected between the two oblique beams 18, the pedals 12 are vertically provided with a plurality of stages along the length direction of the oblique beams 18, a connecting plate 13 is vertically arranged between the two stages of pedals 12, and the upper end of the connecting plate 13 is fixedly connected with the pedal 12 which is closest to the connecting plate 13. A drainage groove 17 is arranged between the lower side end of the connecting plate 13 and the pedal 12 which is closest to the connecting plate 13 below, and the pedal 12 inclines downwards towards the drainage groove 17, and the inclination angle ranges from 2 degrees to 5 degrees. The drainage channel 17 between the lower end of the connecting plate 13 and the pedal 12 below the connecting plate enables water stains on the pedal 12 to flow down from the drainage channel 17, accumulated water is not easy to form on the surface of the pedal 12, pedestrians slip, and the use safety of the stairs is improved. The inclined design of the pedal 12 enables water stains on the pedal 12 to enable rainwater to drain from the pedal 12 more smoothly and timely, and does not affect the flatness of a person walking on the pedal 12.

The implementation principle of the embodiment is as follows: when the prefabricated staircase is installed, the upper mounting plate 4 and the lower mounting plate 5 at the two ends of the staircase body 1 are firstly aligned to the mounting grooves 6 of the upper-level floor slab 2 and the lower-level floor slab 3, the convex block 10 is aligned to the insertion groove 7, the convex block 10 is inserted into the insertion groove 7, then the countersunk head bolt 14 is screwed, the upper mounting plate 4 is connected with the upper-level floor slab 2, and the lower mounting plate 5 is connected with the lower-level floor slab 3. The connecting rods 15 are aligned with the first through holes 8 of the side walls of the upper floor 2 and the lower floor 3, and then the connecting rods 15 are inserted into the first through holes 8 so that the connecting rods 15 simultaneously pass through all the first through holes 8 and all the second through holes 11 until the connecting rods 15 pass through both side walls of the upper floor 2 and the lower floor 3, at which time the other ends of the connecting rods 15 protrude from the first through holes 8 of the other side walls of the upper floor 2 and the lower floor 3. Then carry out threaded connection with nut 16 and the both ends of connecting rod 15, lock connecting rod 15 tightly between last mounting panel 4 and higher level floor 2 and between lower mounting panel 5 and subordinate's floor 3, this moment this prefabricated staircase's installation is accomplished, can come into operation at once.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a prefabricated staircase, including stair body (1), be used for installing higher level floor (2) and subordinate floor (3) of stair body (1), a serial communication port, mounting groove (6) have been seted up to higher level floor (2) and subordinate floor (3) near the one end of stair body (1), the upper and lower both ends of stair body (1) are fixedly connected with upper mounting panel (4) and lower mounting panel (5) respectively, upper mounting panel (4) and lower mounting panel (5) joint respectively in mounting groove (6) that corresponds higher level floor (2) and subordinate floor (3), the degree of depth of mounting groove (6) equals the thickness of upper mounting panel (4) and lower mounting panel (5), be equipped with between upper mounting panel (4) and higher level floor (2) and be used for fixing upper mounting panel (4) and higher level floor (2) coupling assembling and fastening assembly together, be equipped with between lower mounting panel (5) and subordinate floor (3) and be used for mounting panel (5) and subordinate floor (3) down 3) A connecting assembly and a fastening assembly secured together.

2. The prefabricated staircase of claim 1, wherein: the connecting assembly includes: the countersunk head bolts (14) penetrate through the upper mounting plate (4) and the upper floor (2) and the lower mounting plate (5) and the lower floor (3), and the number of the countersunk head bolts (14) is not less than two.

3. The prefabricated staircase of claim 1, wherein: the fastening assembly includes: go up mounting panel (4) and lower mounting panel (5) and be close to equal fixedly connected with lug (10) of lower surface of the one end of stair body (1), higher level floor (2) and subordinate's floor (3) are close to the one end of stair body (1) and all are equipped with lug (10) correspond inserting groove (7) of joint.

4. The prefabricated staircase of claim 3, wherein: the projection (10) is uniformly provided with a plurality of projections along the length direction of the upper mounting plate (4) and the lower mounting plate (5), and the insertion groove (7) is uniformly provided with a plurality of projections along the length direction of the upper floor (2) and the lower floor (3).

5. The prefabricated staircase of claim 4, wherein: the lateral wall of inserting groove (7) is equipped with first through-hole (8) through running through, the lateral wall of lug (10) is equipped with second through-hole (11) through running through, and the diameter of first through-hole (8) and second through-hole (11) is unanimous and the position is aimed at, fastening assembly is still including being equipped with simultaneously and passing a plurality ofly connecting rod (15) of first through-hole (8) and second through-hole (11), connecting rod (15) run through in the lateral wall of higher level floor (2) and the lateral wall of subordinate floor (3).

6. The prefabricated staircase of claim 5, wherein: the number of the first through holes (8) and the number of the second through holes (11) are at least two.

7. The prefabricated staircase of claim 5, wherein: the length of connecting rod (15) is greater than the length of higher level floor (2) and subordinate floor (3), and the both ends of the lateral wall that connecting rod (15) are outstanding higher level floor (2) and subordinate floor (3) are equipped with the screw thread, fastening component still including with the both ends threaded connection's of connecting rod (15) nut (16).

8. The prefabricated staircase of claim 7, wherein: the nut (16) is made of magnetic stainless steel, and magnets (9) are arranged at positions where the side walls of the upper-level floor (2) and the lower-level floor (3) abut against the nut (16).

9. The prefabricated staircase of claim 1, wherein: stair body (1) includes two sloping (18) that are parallel to each other and footboard (12) between two sloping (18) of fixed connection, footboard (12) are provided with a plurality of grades from top to bottom along the length direction of sloping (18), two be provided with connecting plate (13) between footboard (12) perpendicularly, the upside end and the top of connecting plate (13) are nearest footboard (12) fixed connection of connecting plate (13), are equipped with water drainage tank (17) between the lower side end of connecting plate (13) and footboard (12) that the below is nearest connecting plate (13).

10. The prefabricated staircase of claim 9, wherein: the footplate (12) inclines downwards towards the direction of the drainage groove (17), and the angle range of the downward inclination of the footplate (12) is 2 degrees to 5 degrees.