CN212427859U

CN212427859U - Coarse concrete prefabricated staircase

Info

Publication number: CN212427859U
Application number: CN202021007887.4U
Authority: CN
Inventors: 胡亚男
Original assignee: Hebei Zhuya Building Materials Co ltd
Current assignee: Hebei Zhuya Building Materials Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-01-29
Anticipated expiration: 2030-06-04

Abstract

The utility model discloses a rough surface concrete prefabricated staircase, including the stair base member, the stair base member is inside the middle part to be installed cross frame plate, cross frame plate top middle part is seted up flutedly, recess inner wall middle part is provided with the reinforcing bar, cross frame plate surface top joint has the cardboard, the cardboard bottom corresponds cross frame plate top edge portion position department and has seted up the spacing groove, cardboard top middle part fixed mounting has the wood wool abatvoix, the equal distance symmetry in the middle part of the stair base member front and back has seted up the round hole, the utility model has the advantages of scientific and reasonable structure, convenience safe in utilization, through circular slot, cross frame plate, reinforcing bar, cardboard and wood wool abatvoix, can be convenient for carry out spacing to the reinforcing bar, prevent the phenomenon that the position of reinforcing bar from taking place to move, and then be convenient for the prefabrication of stair base member, the wood wool abatvoix, reduce the noise of personnel trampling on stair base member surface.

Description

Coarse concrete prefabricated staircase

Technical Field

The utility model relates to a building technical field specifically is a prefabricated stair of coarse face concrete.

Background

Cast-in-place reinforced concrete stair pour into a whole with stair section, platform and platform roof beam cast in situ, its wholeness is good, and the shock resistance is strong, and it divide into board stair and beam type stair two kinds again according to the difference of structure, board stair: is a board of putting to one side, its both ends support on the platform roof beam, and the platform roof beam supports on the brick wall, beam type stair: the load is transmitted to the oblique beams by the step plates and then transmitted to the platform beams by the oblique beams;

but the reinforcing bar of present prefabricated stair is not convenient for fix to the phenomenon that the position that leads to the inside reinforcing bar of prefabricated stair takes place to remove, the sound effect of inhaling of current prefabricated stair is unsatisfactory moreover, leads to personnel to trample and produce the noise on stair.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prefabricated stair of coarse surface concrete can effectively solve the reinforcing bar of the current prefabricated stair that proposes in the above-mentioned background art and be not convenient for fix to the phenomenon that the position that leads to prefabricated stair inside reinforcing bar takes place to remove, the sound absorbing effect of the prefabricated stair that has now moreover is unsatisfactory, leads to personnel to trample the problem that produces the noise on stair.

In order to achieve the above object, the utility model provides a following technical scheme: a rough surface concrete prefabricated staircase comprises a staircase base body, wherein a cross frame plate is arranged in the middle of the inner portion of the staircase base body, a groove is formed in the middle of the top end of the cross frame plate, reinforcing steel bars are arranged in the middle of the inner wall of the groove, a clamping plate is clamped on the top of the outer surface of the cross frame plate, a limiting groove is formed in the position, corresponding to the edge portion of the top end of the cross frame plate, of the bottom end of the clamping plate, and a wood wool sound;

the circular hole has been seted up to equal distance symmetry in the front of the stair base member and back middle part, the screw thread post is installed in the embedding of stair base member front and back corresponding circular hole inner wall middle part position department, the swivel nut has been cup jointed to screw thread post surface, swivel nut skin weld has the ring, the curb plate has been cup jointed to ring and swivel nut surface, the inside circular groove has been seted up to the corresponding ring surface limit portion position department of curb plate, the welding of swivel nut one end middle part has the cylinder.

Preferably, the inner wall edge of the rotating ring is provided with an internal thread, the outer surface edge of the threaded column is provided with an external thread, and the rotating ring is connected with the threaded column through the internal thread and the external thread.

Preferably, the outer diameter of the rotating ring is equal to the inner diameter of the round hole, and the rotating ring is located inside the round hole.

Preferably, the reinforcing steel bars are located inside the grooves of the cross frame plate, and the wood wool sound-absorbing plate is identical to the cross frame plate in shape.

Preferably, connectors are arranged on one side of the top end of the stair base body at equal intervals, and the stair base body and the side plates are attached to each other.

Preferably, the circular ring is positioned inside the circular groove, and the width of the circular ring is equal to the height of the circular groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. through circular slot, cross frame plate, recess, reinforcing bar, cardboard, spacing groove and wood wool abatvoix, can be convenient for carry on spacingly to the reinforcing bar, prevent that the position of reinforcing bar from taking place the phenomenon of removal, and then the prefabrication of the stair base member of being convenient for, the produced noise of stair base member surface can be absorbed to the wood wool abatvoix simultaneously, and the noise of trampling on stair base member surface is reduced personnel.

2. Through round hole, screw thread post, rotating ring, curb plate and cylinder, the installation of the curb plate of can being convenient for has reduced the installation degree of difficulty of curb plate, can fix the curb plate after the installation simultaneously, and utilizes the curb plate, can protect stair base member limit portion, prevents the phenomenon that stair base member limit portion bumps.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic plan view of the present invention;

FIG. 2 is a schematic view of the oblique view structure of the present invention;

fig. 3 is a cross-sectional view of the side panel of the present invention;

fig. 4 is a schematic view of the installation structure of the reinforcing steel bar of the present invention;

FIG. 5 is a schematic view of the area A in FIG. 3 according to the present invention;

reference numbers in the figures: 1. a stair base; 2. a circular groove; 3. a cross frame plate; 4. a groove; 5. reinforcing steel bars; 6. clamping a plate; 7. a limiting groove; 8. a wood wool acoustic board; 9. a circular hole; 10. a threaded post; 11. a rotating ring; 12. a circular ring; 13. a side plate; 14. and (4) a cylinder.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a technical scheme, a rough surface concrete prefabricated staircase, including stair base member 1, stair base member 1 installs cross frame plate 3 in the inside middle part, cross frame plate 3 sets up fluted 4 in the middle part of the top, 4 inner walls of recess middle parts are provided with reinforcing bar 5, reinforcing bar 5 is located the inside of recess 4 of cross frame plate 3, the shape of wood wool abatvoix 8 is the same with the shape of cross frame plate 3, can be convenient for reinforcing bar 5 to carry out spacing, prevent the phenomenon that the position of reinforcing bar 5 from moving, cross frame plate 3 surface top joint has cardboard 6, cardboard 6 bottom corresponds cross frame plate 3 top edge portion position and has set up spacing groove 7, cardboard 6 top middle part fixed mounting has wood wool abatvoix 8;

the front and the back of the stair base body 1 are symmetrically provided with round holes 9 at equal intervals, the front and the back of the stair base body 1 are provided with threaded columns 10 corresponding to the middle positions of the inner walls of the round holes 9 in an embedded manner, the outer surfaces of the threaded columns 10 are sleeved with rotating rings 11, the outer diameters of the rotating rings 11 are equal to the inner diameters of the round holes 9, the rotating rings 11 are positioned inside the round holes 9, the installation of the rotating rings 11 is facilitated, the installation difficulty of the rotating rings 11 is reduced, the inner wall edge parts of the rotating rings 11 are provided with internal threads, the outer surface edge parts of the threaded columns 10 are provided with external threads, the rotating rings 11 are connected with the threaded columns 10 through the internal threads and the external threads, the connecting between the rotating rings 11 and the threaded columns 10 is facilitated, the connecting difficulty between the rotating rings 11 and the threaded columns 10 is reduced, the outer surface of the rotating rings 11 is welded with, can be convenient for carry on spacingly to ring 12, prevent that the position of ring 12 from taking place the phenomenon of removal, curb plate 13 has been cup jointed to ring 12 and 11 surfaces of rotating ring, the connector has been seted up to 1 top one side equidistance of stair base member, laminate each other between stair base member 1 and the curb plate 13, the taking of stair base member 1 of can being convenient for, stair base member 1 forms through dew stone agent and cement mixture, circular slot 2 has been seted up to the inside corresponding 12 surface limit portion positions department of

curb plate

13, 11 one end middle welding of rotating ring have cylinder 14.

The utility model discloses a theory of operation and use flow: in the actual production process of the rough-surface concrete prefabricated staircase, a user puts a reinforcing steel bar 5 into the cross frame plate 3 along the groove 4, and then installs a clamping plate 6 between a limiting groove 7 and the cross frame plate 3, so that a wood wool sound-absorbing plate 8 can be installed, and then the staircase matrix 1 is prefabricated on the surface of the cross frame plate 3, so that the reinforcing steel bar 5 can be conveniently limited, the phenomenon that the position of the reinforcing steel bar 5 moves is prevented, the staircase matrix 1 is convenient to prefabricate, meanwhile, the wood wool sound-absorbing plate 8 can absorb noise generated on the surface of the staircase matrix 1, and the noise of the staircase matrix 1 trampled by the user is reduced;

then, the user rotates cylinder 14, cylinder 14 drives ring 12 when rotating and rotates along circular groove 2 inside, and swivel 11 moves along the direction of screw thread of threaded post 10 when rotating, thereby make swivel 11 enter into inside round hole 9, and then make and laminate between curb plate 13 and the stair base member 1, the installation of curb plate 13 of can being convenient for, the installation degree of difficulty of curb plate 13 has been reduced, can fix curb plate 13 after the installation simultaneously, and utilize curb plate 13, can protect 1 limit portion of stair base member, prevent the phenomenon that 1 limit portion of stair base member from colliding.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a coarse surface concrete prefabricated staircase, includes stair base member (1), its characterized in that: a cross frame plate (3) is installed in the middle of the interior of the stair base body (1), a groove (4) is formed in the middle of the top end of the cross frame plate (3), reinforcing steel bars (5) are arranged in the middle of the inner wall of the groove (4), a clamping plate (6) is clamped and connected to the top of the outer surface of the cross frame plate (3), a limiting groove (7) is formed in the position, corresponding to the edge of the top end of the cross frame plate (3), of the bottom end of the clamping plate (6), and a wood wool sound-absorbing plate (8) is;

round hole (9) have been seted up to equal equidistance symmetry in the middle part of the front and the back of stair base member (1), stair base member (1) front and back correspond round hole (9) inner wall middle part position department embedding and install screw thread post (10), screw thread post (10) surface has cup jointed swivel becket (11), swivel becket (11) skin weld has ring (12), curb plate (13) have been cup jointed with swivel becket (11) surface, curb plate (13) inside corresponds ring (12) surface limit portion position department and has seted up circular slot (2), the welding of swivel becket (11) one end middle part has cylinder (14).

2. The stair is characterized in that the edge of the inner wall of the rotating ring (11) is provided with internal threads, the edge of the outer surface of the threaded column (10) is provided with external threads, and the rotating ring (11) and the threaded column (10) are connected through the internal threads and the external threads.

3. Coarse-faced concrete prefabricated staircase according to claim 1, characterized in that the outer diameter of the turning ring (11) is equal to the inner diameter of the circular hole (9), the turning ring (11) being located inside the circular hole (9).

4. A rough-surfaced concrete prefabricated staircase according to claim 1, characterized in that said reinforcement bars (5) are located inside the recesses (4) of the cross frame plate (3), and said wood-wool sound-absorbing panel (8) has the same shape as the cross frame plate (3).

5. The stair with rough surface and concrete prefabricated structure as claimed in claim 1, wherein connectors are equidistantly formed on one side of the top end of the stair base body (1), and the stair base body (1) and the side plates (13) are attached to each other.

6. Coarse-faced concrete prefabricated staircase according to claim 1, characterized in that the ring (12) is located inside the circular groove (2), the width of the ring (12) being equal to the height of the circular groove (2).