Fabricated prefabricated stair

Abstract

The utility model discloses an assembly type prefabricated stair which comprises a stair body and a fixing piece, the stair body and the fixing piece are connected through a groove and a flange, the top end and the bottom end of the fixing piece are connected with an upper stair beam and a lower stair beam respectively, and a first fixing block is arranged at the top end of the stair body. A second fixing block is arranged at the bottom end of the stair body, and the first fixing block and the second fixing block are connected through bolts to fix the stair body to the upper stair beam and the lower stair beam respectively. According to the utility model, the prefabricated stair main body is assembled and is respectively fixed through the bolts and the fixing pieces, so that compared with a traditional stair which is fixed through steel bars and then poured through concrete, the mode that the prefabricated stair main body is assembled and is respectively fixed through the bolts and the fixing pieces is more convenient and quicker; the construction efficiency is higher, and the pollution to the environment is lower.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated buildings, and in particular to a prefabricated staircase. Background Technology

[0002] During construction, staircases effectively facilitate workers' work between different floors and improve the lives of future residents. Existing traditional staircases often involve fixing steel bars to the upper and lower floors before pouring concrete to form the staircase structure. This method results in slow and complex construction, as well as dust generation during concrete pouring. These problems not only reduce construction efficiency due to the numerous steps but also pollute the environment. Therefore, it is necessary to improve and optimize staircase construction methods. Utility Model Content

[0003] The purpose of this invention is to provide a prefabricated staircase to solve the problems of low construction efficiency and environmental pollution during staircase construction.

[0004] This utility model mainly provides a prefabricated staircase, including a staircase body and a fixing component. The staircase body and the fixing component are connected by a groove and a flange. The top and bottom ends of the fixing component are respectively connected to the upper and lower ladder beams. A first fixing block is provided at the top of the staircase body, and a second fixing block is provided at the bottom of the staircase body. The first fixing block and the second fixing block are connected by bolts to fix the staircase body to the upper ladder beam and the lower ladder beam respectively.

[0005] Further technology of this utility model:

[0006] Preferably, the main body of the staircase includes two side panels, and connecting blocks are respectively provided on the outer sides of the two side panels.

[0007] Preferably, the fixing component includes a base plate and two fixing plates, which are disposed on both sides of the base plate. The upper ladder beam has a plurality of first fixing threaded holes on one side, and the lower ladder beam has a plurality of second fixing threaded holes on one side. The top and bottom of the base plate are respectively provided with a plurality of double-ended bolts to connect the first fixing threaded holes and the second fixing threaded holes. The inner side of the two fixing plates is provided with a mounting groove, and the connecting block is configured to be able to be inserted into the mounting groove.

[0008] Preferably, the first fixing block is provided with a first threaded hole for the first bolt to pass through and fix the first fixing block to the upper ladder beam.

[0009] Preferably, the first threaded hole is located in the middle of the first fixing block, and a plurality of second threaded holes are provided on the side of the first threaded hole for the second bolt to pass through and reinforce the first fixing block to the upper ladder beam. The upper ladder beam is provided with a first groove, and the first groove is provided with a fifth threaded hole and a sixth threaded hole corresponding to the first threaded hole and the second threaded hole, respectively, for the first bolt and the second bolt to communicate with the corresponding threaded hole.

[0010] Preferably, the second fixing block is provided with a third threaded hole for a third bolt to pass through and fix the second fixing block to the lower ladder beam.

[0011] Preferably, the third threaded hole is located in the middle of the second fixing block, and a plurality of fourth threaded holes are provided on the side of the third threaded hole for the fourth bolt to pass through and reinforce the second fixing block to the lower ladder beam. The lower ladder beam is provided with a second groove, and the second groove is provided with a seventh threaded hole and an eighth threaded hole corresponding to the third threaded hole and the fourth threaded hole, respectively, for the third bolt and the fourth bolt to communicate with the corresponding threaded holes.

[0012] Preferably, a plurality of support columns are provided on the side plate, and handrails are installed on the top of the plurality of support columns.

[0013] The beneficial effects of this utility model are:

[0014] This utility model adopts a method of assembling prefabricated staircase bodies and fixing them with bolts and fasteners. Compared with the traditional method of fixing staircases with steel bars and then pouring concrete, the method of assembling prefabricated staircase bodies and fixing them with bolts and fasteners is more convenient and faster, with higher construction efficiency and less environmental pollution.

[0015] Other features and advantages of this invention will be described in detail in the following specific embodiments. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of the prefabricated staircase of this utility model;

[0017] Figure 2 This is a structural schematic diagram of the main body of the staircase of this utility model;

[0018] Figure 3 This is a structural schematic diagram of the fastener of this utility model;

[0019] Figure 4 This is a schematic diagram of the upper ladder beam of this utility model;

[0020] Figure 5 This is a schematic diagram of the lower ladder beam of this utility model;

[0021] In the diagram: 10. Staircase main body; 101. Connecting block; 102. First fixing block; 103. Second fixing block; 104. Side plate; 105. First threaded hole; 106. Second threaded hole; 107. Third threaded hole; 108. Fourth threaded hole; 20. Fixing component; 201. Base plate; 202. Fixing plate; 203. Installation groove; 204. Double-ended bolt; 30. Upper stair beam; 301. First groove; 302. Fifth threaded hole; 303. Sixth threaded hole; 304. First fixing threaded hole; 40. Lower stair beam; 401. Second groove; 402. Seventh threaded hole; 403. Eighth threaded hole; 404. Second fixing threaded hole; 50. First bolt; 60. Second bolt; 70. Third bolt; 80. Fourth bolt; 90. Support column; 901. Handrail. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0023] Please see Figure 1-5 In this embodiment, a prefabricated staircase is provided, including a staircase body 10 and a fixing member 20. The staircase body 10 and the fixing member 20 are connected by a groove and a flange. The top and bottom ends of the fixing member 20 are respectively connected to an upper ladder beam 30 and a lower ladder beam 40. A first fixing block 102 is provided at the top end of the staircase body 10, and a second fixing block 103 is provided at the bottom end of the staircase body 10. The first fixing block 102 and the second fixing block 103 are connected by bolts to fix the staircase body 10 to the upper ladder beam 30 and the lower ladder beam 40 respectively.

[0024] Construction methods

[0025] Specifically, such as Figure 1-2As shown, the staircase body 10 includes two side plates 104. Several support columns 90 are provided on the top of the two side plates 104, and handrails 901 are provided on the support columns 90 to facilitate going up and down the stairs and enhance safety. Connecting blocks 101 are respectively provided on the outer side of the two side plates 104. The staircase body 10 is fixed by placing the connecting blocks 101 in the fixing parts 20. A first fixing block 102 is provided at the top of the staircase body 10. A first threaded hole 105 is provided in the center of the first fixing block 102. Several second threaded holes 106 are provided on the side of the first threaded hole. A second fixing block 103 is provided at the bottom of the staircase body 10. A third threaded hole 107 is provided in the center of the second fixing block 103. Several fourth threaded holes 108 are provided on the side of the third threaded hole 107. Bolts are passed through the threaded holes to reinforce the connection between the staircase body 10 and the upper and lower ladder beams 30 and 40.

[0026] Specifically, such as Figure 3-5 As shown, the fixing component 20 includes a base plate 201, with fixing plates 202 respectively provided on both sides of the base plate 201. The fixing plates 202 have mounting grooves 203 on their inner sides to facilitate the insertion of the connecting block 101. The upper ladder beam 30 has several first fixing threaded holes 304 on one side, and the lower ladder beam 40 has several second fixing threaded holes 404 on one side. The top and bottom of the base plate 201 are respectively provided with several double-ended bolts 204 to connect the first fixing threaded holes 304 and the second fixing threaded holes 404. The upper ladder beam 30 has a first groove 301, and the first groove 301 contains a mounting groove for the first... The fifth threaded hole 302 corresponds to the threaded hole 105. The first groove 301 is provided with a plurality of sixth threaded holes 303 corresponding to the plurality of second threaded holes 106. The lower ladder beam 40 is provided with a second groove 401. The second groove 401 is provided with a seventh threaded hole 402 corresponding to the third threaded hole 107. The second groove 401 is provided with a plurality of eighth threaded holes 403 corresponding to the plurality of fourth threaded holes 108. The stair body 10 is then fixed to the upper ladder beam 30 and the lower ladder beam 40 by passing the first bolt 50, the second bolt 60, the third bolt 70 and the fourth bolt 80 through the threaded holes.

[0027] In the description of this utility model, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A prefabricated, assembled staircase, characterized in that, The staircase includes a main body (10) and a fixing component (20). The main body (10) and the fixing component (20) are connected by a groove and a flange. The top and bottom of the fixing component (20) are respectively connected to the upper ladder beam (30) and the lower ladder beam (40). The top of the main body (10) is provided with a first fixing block (102), and the bottom of the main body (10) is provided with a second fixing block (103). The first fixing block (102) and the second fixing block (103) are connected by bolts to fix the main body (10) to the upper ladder beam (30) and the lower ladder beam (40) respectively.

2. The prefabricated staircase according to claim 1, characterized in that, The main body of the staircase (10) includes two side panels (104), and connecting blocks (101) are respectively provided on the outer side of the two side panels (104).

3. The prefabricated staircase according to claim 2, characterized in that, The fastener (20) includes a base plate (201) and two fixing plates (202). The two fixing plates (202) are disposed on both sides of the base plate (201). The upper ladder beam (30) has a plurality of first fixing threaded holes (304) on one side, and the lower ladder beam (40) has a plurality of second fixing threaded holes (404) on one side. The top and bottom ends of the base plate (201) are respectively provided with a plurality of double-headed bolts (204) to connect the first fixing threaded holes (304) and the second fixing threaded holes (404). The inner side of the two fixing plates (202) is provided with a mounting groove (203), and the connecting block (101) is configured to be able to be inserted into the mounting groove (203).

4. The prefabricated staircase according to claim 1, characterized in that, The first fixing block (102) is provided with a first threaded hole (105) for the first bolt (50) to pass through and fix the first fixing block (102) to the upper ladder beam (30).

5. The prefabricated staircase according to claim 4, characterized in that, The first threaded hole (105) is located in the middle of the first fixing block (102), and a plurality of second threaded holes (106) are provided on the side of the first threaded hole (105) for the second bolt (60) to pass through and reinforce the first fixing block (102) to the upper ladder beam (30). The upper ladder beam (30) is provided with a first groove (301), and the first groove (301) is provided with a fifth threaded hole (302) and a sixth threaded hole (303) corresponding to the first threaded hole (105) and the second threaded hole (106) respectively, for the first bolt (50) and the second bolt (60) to communicate with the corresponding threaded holes.

6. The prefabricated staircase according to claim 1, characterized in that, The second fixing block (103) is provided with a third threaded hole (107) for the third bolt (70) to pass through and fix the second fixing block (103) to the lower ladder beam (40).

7. The prefabricated staircase according to claim 6, characterized in that, The third threaded hole (107) is located in the middle of the second fixing block (103), and a plurality of fourth threaded holes (108) are provided on the side of the third threaded hole (107) for the fourth bolt (80) to pass through and reinforce the second fixing block (103) to the lower ladder beam (40). The lower ladder beam (40) is provided with a second groove (401), and the second groove (401) is provided with a seventh threaded hole (402) and an eighth threaded hole (403) corresponding to the third threaded hole (107) and the fourth threaded hole (108) respectively, for the third bolt (70) and the fourth bolt (80) to connect the corresponding threaded holes.

8. The prefabricated staircase according to claim 2, characterized in that, A plurality of support columns (90) are respectively provided on the side plate (104), and a handrail (901) is installed on the top of the plurality of support columns (90).

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