Prefabricated cement component convenient to connect

Abstract

The prefabricated cement component convenient to connect comprises a stair and two supporting sets, the two ends of the stair are connected with the two supporting sets respectively, each supporting set comprises a platform and a lifting lug, the lifting lug is arranged at the bottom of one side of the platform, and the end of the stair is arranged above the lifting lug and connected with the platform through a steel bar. The step, close to the platform, of the stair is marked as an end step, a first through groove horizontally penetrating through the end step is formed in the end step, a second through groove communicating with the first through groove is formed in the platform, the reinforcing steel bar penetrates through the first through groove and the second through groove and is fixed through a fixing mechanism, and gaps between the first through groove and the reinforcing steel bar and gaps between the second through groove and the reinforcing steel bar are poured through cement. The utility model provides a prefabricated cement component which enables a stair and a platform to be stably connected.

Description

Technical Field

[0001] The utility model relates to a cement component, in particular to a prefabricated cement component which is easy to connect. Background Art

[0002] Prefabricated cement components refer to cement components that are pre-made in a factory or on-site according to design specifications. They have the effect of shortening the construction period of construction projects and saving project costs. Prefabricated cement components include wall panel components, stair components, support platform components, etc. These components need to be connected during construction to build a building.

[0003] The invention patent with application number CN201610085361.X discloses a prefabricated concrete staircase, which discloses that the staircase is fixed to the lugs of the platform by bolts. In this solution, the weight of the staircase is supported by the lugs, which is not conducive to the stable connection between the staircase and the platform. Utility Model Content

[0004] The main purpose of the utility model is to provide a prefabricated cement component which can stably connect a staircase and a platform.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a prefabricated cement component that is easy to connect, including: a staircase and two support groups;

[0006] The two ends of the staircase are respectively connected to two support groups, each support group includes a platform and a cantilever, and the cantilever is arranged at the bottom of one side of the platform;

[0007] The step on the stairs close to the platform is recorded as the end step. The end step is arranged above the cantilever and connected to the platform through steel bars. A first through groove that runs horizontally through the end step is arranged, and a second through groove that is connected to the first through groove is arranged on the platform. The steel bars pass through the first through groove and the second through groove and are fixed by a fixing mechanism, and the gaps between the first through groove, the second through groove and the steel bars are poured with cement.

[0008] Furthermore, a first through hole connected to the first through slot is vertically arranged on the end step, and the first through hole is provided with an internal thread; a second through hole connected to the second through slot is vertically arranged on the platform, and the second through hole is the same as the first through hole;

[0009] The fixing mechanism includes a first fixing block and a second fixing block. The first fixing block is vertically slidably arranged in the first through hole or the second through hole. The second fixing block is located above the first fixing block. An external thread corresponding to the internal thread is arranged on the outer side of the second fixing block. The second fixing block is screwed in the first through hole or the second through hole.

[0010] Furthermore, an arc-shaped groove corresponding to the steel bar is provided at the bottom of the first fixing block.

[0011] Furthermore, a straight line or cross-shaped strip groove is provided on the top of the second fixing block.

[0012] Furthermore, the second fixing block includes an upper part and a lower part, the upper part is provided with an external thread corresponding to the second internal thread, and the diameter of the cross section of the lower part is smaller than the diameter of the cross section of the upper part.

[0013] Furthermore, a plurality of fixing ribs are embedded in the ears, a plurality of fixing holes corresponding to the fixing ribs are vertically arranged on the end steps, and the gaps between the fixing holes and the fixing ribs are poured with cement.

[0014] Furthermore, the first through hole includes a first part and a second part arranged from top to bottom, the first part is an internal thread, a convex strip is arranged on the second part, a groove corresponding to the convex strip is arranged on the first fixing block, and the first fixing block is arranged to slide vertically along the convex strip.

[0015] The beneficial effects of the utility model are:

[0016] The utility model has a simple structure, and is provided with steel bars, so that the steel bars connect the end steps and the platform, so that the stairs and the platform are stably connected. The provision of the steel bars enables the platform and the lugs to bear the weight of the stairs together, reducing the bearing pressure of the lugs, and making the stairs more stable to install. The provision of the fixing mechanism enables the platform and the end steps to be connected more tightly and stably before pouring, thereby enhancing the pouring effect. After the utility model is installed, the safety and stability of the stairs can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a partial three-dimensional cross-sectional view of the utility model;

[0020] Figure 3 A cross-sectional view of a portion of the present utility model;

[0021] Figure 4 is the structure of the first fixed block;

[0022] Figure 5 It is the structure of the second fixed block.

[0023] Description of Reference Numerals

[0024] 1. Stairs; 11. End steps; 111. First through groove; 112. First through hole; 113. Fixing hole; 2. Support group; 21. Platform; 211. Second through groove; 212. Second through hole; 22. Pick ears; 221. Fixing ribs; 3. Rebars; 4. Fixing mechanism; 41. First fixing block; 411. Arc groove; 42. Second fixing block; 421. Upper part; 422. Lower part; 5. Pouring port. DETAILED DESCRIPTION

[0025] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0026] like Figure 1 As shown, a prefabricated cement component that is easy to connect includes two support groups 2 and a staircase 1 located between the two support groups 2.

[0027] like Figure 2-3 As shown, the staircase 1 is a prefabricated component. The step on the staircase 1 close to the platform 21 is marked as the end step 11. The end step 11 is provided with a first through groove 111 that runs horizontally, and the end step 11 is provided with a first through hole 112 that is connected to the first through groove 111. The first through hole 112 is located above the first through groove 111, and the central axis of the first through hole 112 is perpendicular to the central axis of the first through groove 111. The first through hole 112 includes a first part and a second part that are arranged from top to bottom. The first part is provided with an internal thread, and the second part is provided with a convex strip, which is arranged vertically. A plurality of fixing holes 113 are also vertically arranged on the end step 11. The fixing holes 113 and the first through groove 111 are independently arranged, and the central axis of the fixing holes 113 is perpendicular to the central axis of the first through groove 111. The end step 11 is provided with a pouring port 5 that is connected to the first through groove 111.

[0028] The support group 2 is a prefabricated component, and the support group 2 includes a platform 21 and a lug 22. The lug 22 is located at the bottom of the platform 21 on one side close to the stair 1. A plurality of fixing ribs 221 are embedded in the lug 22, and the plurality of fixing ribs 221 are respectively arranged corresponding to the plurality of fixing holes 113.

[0029] The platform 21 is provided with a second through slot 211, which is connected to the first through slot 111, and the central axis of the second through slot 211 coincides with the central axis of the first through slot 111. The platform 21 is provided with a second through hole 212 connected to the second through slot 211, and the central axis of the second through hole 212 is perpendicular to the central axis of the second through slot 211, and the second through hole 212 is the same as the first through hole 112. The platform 21 is provided with a pouring port 5 connected to the second through slot 211.

[0030] The steel bar 3 passes through the first through slot 111 and the second through slot 211 and is fixed by the fixing mechanism 4 .

[0031] like Figure 2-5 As shown, the fixing mechanism 4 includes a first fixing block 41 and a second fixing block 42. The first fixing block 41 is cylindrical in shape. The first fixing block 41 is slidably arranged in the first through hole 112 or the second through hole 212. A groove corresponding to the convex strip is arranged on the side wall of the first fixing block 41, and the first fixing block 41 is slidably arranged along the convex strip. An arc groove 411 corresponding to the steel bar 3 is arranged at the bottom of the first fixing block 41. The second fixing block 42 includes an upper part 421 and a lower part 422 arranged from top to bottom. The upper part 421 and the lower part 422 are both cylindrical in shape and are coaxially arranged. A "I"-shaped or "X"-shaped strip groove is arranged at the top of the upper part 421. An external thread corresponding to the internal thread is arranged on the side wall of the upper part 421. The cross-sectional radius of the lower part 422 is smaller than the cross-sectional radius of the upper part 421.

[0032] In some embodiments, a plurality of steel bars 3 may be provided, that is, a plurality of first through slots 111 are provided on the end step 11 , a plurality of second through slots 211 are provided on the platform 21 , and a plurality of fixing mechanisms 4 are provided accordingly.

[0033] During installation, the staircase 1 is moved from top to bottom so that the fixing holes 113 of the staircase 1 correspond to the fixing bars 221 until the staircase 1 is placed on the two ears 22, and the steel bars 3 are inserted into the first through grooves 111 and the second through grooves 211 in sequence, and the first fixing block 41 is placed into the first through hole 112 and the second through hole 212, and then the second fixing block 42 is placed, and the second fixing block 42 is screwed so that the second fixing block 42 drives the first fixing block 41 to press against the steel bars 3. During unified pouring, cement is poured into the first through hole 112 and the second through hole 212 to fill the gaps at the tops of the first through hole 112 and the second through hole 212; cement is poured into the gaps between the first through grooves 111 and the second through grooves 211 and the steel bars 3 through the pouring port 5, and cement is poured into the gaps between the fixing holes 113 and the fixing bars 221 to complete the connection between the staircase 1 and the support group 2.

[0034] In the utility model, a steel bar 3 is provided to connect the end step 11 and the platform 21. The provision of the steel bar 3 enables the platform 21 and the lug 22 to bear the weight of the staircase 1 together, reducing the load-bearing pressure of the lug 22, and making the staircase 1 more stable to install. The provision of the fixing mechanism 4 enables the platform 21 and the end step 11 to be connected more tightly and stably before pouring, thereby enhancing the pouring effect. After the installation of the utility model, the safety and stability of the staircase 1 can be improved. The provision of the arc groove 411 on the first fixing block 41 increases the contact area between the first fixing block 41 and the steel bar 3, thereby enhancing the fixing effect. The provision of the strip groove on the second fixing block 42 facilitates the use of a screwdriver to screw the second fixing block 42.

[0035] The above description is only a preferred embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Claims

1. A prefabricated cement component that is easy to connect, characterized in that: include: A staircase (1) and two support groups (2); The two ends of the staircase (1) are respectively connected to two support groups (2), each support group (2) comprises a platform (21) and a lug (22), and the lug (22) is arranged at the bottom of one side of the platform (21); The step on the staircase (1) close to the platform (21) is denoted as the end step (11). The end step (11) is arranged above the pick (22) and is connected to the platform (21) via a steel bar (3). A first through groove (111) is arranged horizontally through the end step (11). A second through groove (211) connected to the first through groove (111) is arranged on the platform (21). The steel bar (3) passes through the first through groove (111) and the second through groove (211) and is fixed by a fixing mechanism (4). The gap between the first through groove (111) and the second through groove (211) and the steel bar (3) is poured with cement.

2. A prefabricated cement component that is easy to connect as claimed in claim 1, characterized in that: A first through hole (112) connected to the first through groove (111) is vertically arranged on the end step (11), and the first through hole (112) is provided with an internal thread; a second through hole (212) connected to the second through groove (211) is vertically arranged on the platform (21), and the second through hole (212) is the same as the first through hole (112); The fixing mechanism (4) comprises a first fixing block (41) and a second fixing block (42); the first fixing block (41) is arranged to slide vertically in the first through hole (112) or the second through hole (212); the second fixing block (42) is located above the first fixing block (41); an external thread corresponding to the internal thread is arranged on the outer side of the second fixing block (42); and the second fixing block (42) is correspondingly screwed in the first through hole (112) or the second through hole (212).

3. A prefabricated cement component that is easy to connect as claimed in claim 2, characterized in that: An arc-shaped groove (411) corresponding to the steel bar (3) is provided at the bottom of the first fixing block (41).

4. A prefabricated cement component that is easy to connect as claimed in claim 2, characterized in that: A "I"-shaped or "X"-shaped strip groove is provided on the top of the second fixing block (42).

5. A prefabricated cement component that is easy to connect as claimed in claim 2, characterized in that: The second fixing block (42) comprises an upper portion (421) and a lower portion (422); the upper portion (421) is provided with an external thread corresponding to the second internal thread; and the diameter of the cross section of the lower portion (422) is smaller than the diameter of the cross section of the upper portion (421).

6. The prefabricated cement component that is easy to connect as claimed in claim 1, characterized in that: A plurality of fixing ribs (221) are pre-buried on the pick ears (22), a plurality of fixing holes (113) corresponding to the fixing ribs (221) are vertically arranged on the end step (11), and gaps between the fixing holes (113) and the fixing ribs (221) are poured with cement.

7. The prefabricated cement component that is easy to connect as claimed in claim 1, characterized in that: The first through hole (112) comprises a first part and a second part arranged from top to bottom, the first part is an internal thread, a convex strip is arranged on the second part, a groove corresponding to the convex strip is arranged on the first fixing block (41), and the first fixing block (41) is arranged to slide vertically along the convex strip.

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