Fabricated handrail based on prefabricated stairs

Abstract

The utility model discloses an assembly type handrail based on prefabricated stairs, and relates to the field of building construction, the assembly type handrail comprises a base, a vertical rod, a handrail and a limiting piece; the base is connected to the prefabricated staircase through base bolts pre-buried in the side face of the prefabricated staircase, the base is in a long strip shape, and the side, facing a handrail, of the base is provided with an inwards-sunken through groove; the head of the vertical rod is provided with threads, and the tail of the vertical rod is rotationally connected with a connecting plate capable of moving along the through groove. The multiple vertical rods are connected into the through grooves in a sliding mode, and the handrails are provided with installation grooves capable of being matched with threads of the heads of the vertical rods. The limiting piece is mounted on the base, and a first limiting hole is formed in the vertical rod; and when the head of the vertical rod is mounted in the mounting groove in place, the limiting part of the limiting piece can be limited in the first limiting hole. Rapid installation of the handrail can be achieved, the installation efficiency is improved, and the installation difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of building construction, specifically relates to a kind of fabricated balustrade based on prefabricated stair. BACKGROUND

[0002] Traditional stair railing installation mode often follows a relatively fixed and tedious process. Specifically, after the construction work of cast-in-place stair is completed, at this time, construction personnel need to carry out accurate drilling operation on the surface of the stair to prepare for the subsequent installation steps. After drilling, the installer will use the key connecting element, expansion screw, to firmly fix the stair handrail on the corresponding position of the stair.

[0003] In order to facilitate transportation, the stair handrail is often divided into two parts, handrail rod and connecting rod, in design. During installation, the construction personnel need to accurately tighten the bolts one by one for the handrail rod, connecting rod and the connecting point between them and the prefabricated stair. This step not only consumes time and effort, but also greatly affects the overall installation efficiency. SUMMARY

[0004] The utility model in related to the prior art, provides a kind of fabricated balustrade based on prefabricated stair, can realize the quick installation of balustrade, and improve installation efficiency and reduce installation difficulty.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of fabricated balustrade based on prefabricated stair, including pedestal, vertical rod, handrail and limiting piece;The pedestal is connected on prefabricated stair by pedestal bolt pre-buried to the side face of prefabricated stair, the pedestal is long strip, and recessed through slot is provided with on the side facing handrail;The head of the vertical rod has a thread, and the tail is rotatably connected with a connecting plate capable of moving along the through slot;A plurality of vertical rods are slidably connected in the through slot, the handrail is provided with installation slot capable of being adapted with the thread of the head of the vertical rod;The limiting piece is installed on the pedestal, and the first limiting hole is provided on the vertical rod;When the head of the vertical rod is installed in the installation slot and installed in place, the limiting part of the limiting piece can be limited in the first limiting hole.

[0007] Optionally, the limiting piece includes a limiting shaft, a baffle seat and a return spring;The limiting shaft is adapted with the first limiting hole, and the limiting shaft slides through the side away from the prefabricated stair of the through slot;The end of the limiting shaft located outside the through slot is connected with the baffle seat, and the return spring is sleeved on the limiting shaft, and one end is connected with the baffle seat, and one end is connected with the outer wall of the through slot.

[0008] Optionally, the notch edges on the left and right sides of the through slot are provided with inwardly bent lug portions; the limiting shaft is slidably arranged through the lug portion away from the prefabricated stair side.

[0009] Optionally, the first limiting hole is a through hole, and the lug portion near the prefabricated stair side of the through slot is provided with a second limiting groove; when the reset spring is in a free state, the limiting shaft can be arranged through the first limiting hole and inserted into the second limiting groove.

[0010] Optionally, the cross section of the connecting plate is rectangular, and the width is adapted to the slot width of the through slot.

[0011] Optionally, the base is provided with an anti-touch device away from the side of the prefabricated stair; when the limiting shaft is inserted into the first limiting hole, the anti-touch device inhibits the limiting shaft from being separated from the first limiting hole.

[0012] Optionally, the anti-touch device comprises an L-shaped baffle and a rotating rod; one free end of the L-shaped baffle is mounted on the surface of the base, and a third limiting hole is arranged on the plate surface near the other free end; the rotating rod comprises a first connecting rod, a second connecting rod and a third connecting rod which are connected in series to form a Z-shaped structure; the free end of the first connecting rod is rotatably connected to the baffle seat, and the free end of the third connecting rod can be inserted into the third limiting hole.

[0013] Optionally, the first connecting rod, the second connecting rod and the third connecting rod are integrally formed.

[0014] The beneficial effects of the present application are:

[0015] (1) The present application can be fine-tuned after sliding the vertical rod to the desired position, and the automatic locking function of the limiting part can greatly simplify the tedious positioning and installation steps in the traditional installation method, and the operator can continuously slide, rotate and fix the vertical rod, reduce the time of multiple positioning and adjustment, make the whole installation process more smooth and efficient; in addition, the present application can complete the installation by sliding and rotating the vertical rod, compared with the manual positioning and fixing of the vertical rod in the traditional installation process, which greatly reduces the physical burden of the operator and improves the work efficiency.

[0016] (2) The present application designs an anti-touch device for the limiting shaft, the anti-touch device comprises a rotating rod and an L-shaped baffle, the overall structure is simple, the operation is convenient, and the vertical rod, the handrail and the base can be effectively prevented from being separated due to misoperation after installation, and the safety of the whole railing is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present application;

[0018] Figure 2It is the structural schematic view of the base of the utility model;

[0019] Figure 3 It is the structural schematic view of the vertical rod of the utility model;

[0020] Figure 4 It is the installation schematic view of the vertical rod and the base in the embodiment 1 of the utility model;

[0021] Figure 5 It is the installation schematic view of the vertical rod and the base in the embodiment 2 of the utility model;

[0022] Figure 6 It is the installation schematic view of the vertical rod and the base in the embodiment 3 of the utility model.

[0023] In the drawing, 1 is a prefabricated stair, 11 is a base bolt, 2 is a base, 21 is a through slot, 22 is a folding lug part, 23 is a second limiting slot, 3 is a vertical rod, 31 is a first limiting hole, 32 is a connecting plate, 4 is a handrail, 41 is a mounting slot, 5 is a limiting piece, 51 is a limiting shaft, 52 is a baffle seat, 53 is a return spring, 6 is an L-shaped baffle, 61 is a third limiting hole, 7 is a rotating rod, 71 is a first connecting rod, 72 is a second connecting rod, and 73 is a third connecting rod. DETAILED DESCRIPTION

[0024] The utility model is described in detail below in combination with the drawings.

[0025] It should be noted that the terms such as "upper", "lower", "left", "right", "front", "rear" and the like cited in the utility model are only for the convenience of clear description, and are not intended to limit the scope of the utility model, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model without substantial change in technical content.

[0026] The terms "first", "second", and the like in the utility model specification and claims are used to distinguish similar objects, and are not necessarily used to describe a particular order or sequence. It should be understood that the structures used in this way can be interchanged under appropriate circumstances, and in addition, the term "includes" and any variations thereof are intended to cover non-exclusive inclusion.

[0027] Embodiment 1

[0028] As Figures 1-4 shown, a prefabricated stair based assembly type railing is provided, base 2, vertical rod 3, handrail 4 and limiting piece 5; base 2 is connected on prefabricated stair 1 through base bolt 11 pre-buried to the side surface of prefabricated stair 1, prefabricated stair 1 is formed by pouring concrete, the specific prefabrication process can refer to the prior art, base bolt 11 is a pre-buried part, and the structure of base bolt 11 can also refer to the prior art.

[0029] The base 2 is long strip-shaped, and in the embodiment, the base 2 is square long strip-shaped; the base 2 is provided with a through groove 21 with an inward groove on the side facing the handrail 4, that is, the upper surface of the base 2 is provided with the through groove 21, the length extension direction of the through groove 21 is consistent with the base 2, and the base 2 is consistent with the slope of the prefabricated staircase 1.

[0030] The head of the vertical rod 3 is threaded, and the tail is rotationally connected with a connecting plate 32 capable of moving along the through groove 21; the rotational connection mode of the vertical rod 3 and the connecting plate 32 can refer to the prior art, and it is worth noting that since the groove bottom of the through groove 21 has a certain slope relative to the horizontal plane, the connecting plate 32 also has a certain slope relative to the horizontal plane, and the vertical rod 3 is perpendicular to the horizontal plane, so the rotational mode of the vertical rod 3 and the connecting plate 32, as an option, an outer shaft sleeve perpendicular to the horizontal plane is welded on the connecting plate 32 by welding, and the vertical rod 3 is rotationally connected with the outer shaft sleeve. In addition, in the embodiment, the cross section of the connecting plate 32 is rectangular, and the width is adapted to the groove width of the through groove 21, that is, when the connecting plate 32 moves in the through groove 21, the connecting plate 32 cannot rotate relative to the through groove 21, and the vertical rod 3 can rotate relative to the through groove 21.

[0031] The vertical rod 3 is slidably connected in the through groove 21, that is, the connecting plate 32 is slidably connected in the through groove 21, and the handrail 4 is provided with a mounting groove 41 capable of adapting to the threads of the head of the vertical rod 3, that is, the vertical rod 3 is threadedly connected on the handrail 4.

[0032] The limiting piece 5 is mounted on the base 2, and the vertical rod 3 is provided with a first limiting hole 31, which is a blind hole in the embodiment; when the head of the vertical rod 3 is mounted in the mounting groove 41 and is mounted in place, the limiting part of the limiting piece 5 can be limited in the first limiting hole 31, and the function of the limiting piece 5 is to inhibit the sliding of the connecting plate 32, so as to ensure the connection stability of the vertical rod 3 and the base 2.

[0033] In the embodiment, the limiting piece 5 includes a limiting shaft 51, a baffle seat 52 and a return spring 53; the limiting shaft 51 is adapted to the first limiting hole 31, and the limiting shaft 51 slides through the side of the through groove 21 away from the prefabricated staircase 1; the end of the limiting shaft 51 located outside the through groove 21 is connected with the baffle seat 52, the diameter of the limiting shaft 51 is smaller than the diameter of the baffle seat 52, the return spring 53 is sleeved on the limiting shaft 51, and one end is connected with the baffle seat 52 and the other end is connected with the outer wall of the through groove 21; under the elastic force of the return spring 53 itself, the end of the limiting shaft 51 away from the baffle seat 52 is inserted into the first limiting hole 31; when the baffle seat 52 is pulled outward, the end of the limiting shaft 51 away from the baffle seat 52 can be separated from the first limiting hole 31, so that the limiting of the vertical rod 3 and the base 2 can be released.

[0034] In the embodiment, the edges of the notches on both sides of the through slot 21 are provided with inwardly bent lug portions 22; the limiting shaft 51 slides through the lug portion 22 away from the prefabricated stair 1, and the lug portion 22 is formed integrally with the through slot 21, that is, the presence of the lug portion 22 can avoid the connecting plate 32 from being separated from the through slot 21 of the base 2 in the vertical direction, thereby improving the overall stability.

[0035] In the installation, the base 2 is installed on the base bolt 11, and a plurality of vertical rods 3 are sequentially slid from the lower part of the stair to the through slot 21 at the top of the base 2; in the sliding process, when the vertical rod 3 reaches the required installation position, it is continuously slid upward by a distance so that the vertical rod 3 passes through the installation position; at this time, the end of the limiting shaft 51 extending out of the lug portion 22 can inhibit the downward sliding of the vertical rod 3; the operator sequentially rotates the vertical rod 3, and threadedly connects all the vertical rods 3 with the handrail 4; after connection, all the baffle seats 52 are pulled outward, and all the vertical rods 3 are simultaneously moved downward to return to the required installation position; at this time, the limiting shaft 51 is opposite to the first limiting hole 31; after the hand is released, under the elastic force of the reset spring 53, one end of the limiting shaft 51 is inserted into the first limiting hole 31, and the installation of the base 2 and the vertical rod 3 is completed.

[0036] Embodiment 2

[0037] As shown in Figure 5 , the difference between embodiment 2 and embodiment 1 is that the first limiting hole 31 is a through hole, and the lug portion 22 near the prefabricated stair 1 side of the through slot 21 is provided with a second limiting slot 23; when the reset spring 53 is in a free state, the limiting shaft 51 can pass through the first limiting hole 31 and be inserted into the second limiting slot 23; at this time, the limiting shaft 51 can not only inhibit the movement of the vertical rod 3 relative to the through slot 21, but also further avoid the connecting plate 32 from being separated from the through slot 21 of the base 2 in the vertical and horizontal direction.

[0038] Embodiment 3

[0039] As shown in Figure 6 , the difference between embodiment 3 and embodiment 1 is that, on the basis of retaining embodiment 1, the side of the base 2 away from the prefabricated stair 1 is provided with a touch prevention device; when the limiting shaft 51 is inserted into the first limiting hole 31, the touch prevention device inhibits the limiting shaft 51 from being separated from the first limiting hole 31.

[0040] In the embodiment, the anti-touch device comprises an L-shaped baffle 6 and a rotating rod 7; one free end of the L-shaped baffle 6 is installed on the surface of the base 2, and a third limiting hole 61 is arranged on the plate surface close to the other free end; the rotating rod 7 comprises a first connecting rod 71, a second connecting rod 72 and a third connecting rod 73 which are connected in series to form a Z-shaped structure; the first connecting rod 71, the second connecting rod 72 and the third connecting rod 73 are integrally formed; the free end of the first connecting rod 71 is rotatably connected to the baffle seat 52, and the free end of the third connecting rod 73 can be inserted into the third limiting hole 61, that is, when the third connecting rod 73 is inserted into the third limiting hole 61, the baffle seat 52 cannot be pulled outwards due to the restraint of the second connecting rod 72 and the third limiting hole 61, and the limiting shaft 51 cannot be separated from the first limiting hole 31, so that the user can avoid accidentally touching the limiting shaft 51 and causing the vertical rod 3 to separate from the base 2; when the vertical rod 3 needs to be disassembled, the rotating rod 7 is pressed inwards, so that the third connecting rod 73 is separated from the third limiting hole 61, and the first connecting rod 71 is rotated, so that the L-shaped baffle 6 cannot restrain the movement of the second connecting rod 72 and the third connecting rod 73, at this time, the baffle seat 52 is pulled outwards, so that the limiting shaft 51 is separated from the first limiting hole 31.

[0041] It is worth noting that the connection mode of the railing at the bend in the present application can refer to the prior art, or a U-shaped handrail 4 is used, and the vertical rod 3 and the base 2 of two layers are connected to realize installation.

[0042] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between various embodiments can be referred to each other.

[0043] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical solution falling within the idea of the present application belongs to the protection scope of the present application. It should be noted that for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the present application should be regarded as the protection scope of the present application.

Claims

1. A prefabricated stair based assembled railing, characterized in that, The utility model provides a prefabricated stair handrail, including base (2), vertical pole (3), handrail (4) and limiting piece (5), base (2) is connected on prefabricated stair (1) through the base bolt (11) of preburied to prefabricated stair (1) side, base (2) is strip -shaped, and the recessed through -slot (21) of facing handrail (4) side is provided with, the head of vertical pole (3) has screw thread, tail rotationally connected with the connecting plate (32) that can along with through -slot (21) removes, a plurality of vertical pole (3) slidingly connects in through -slot (21), handrail (4) is provided with the installation slot (41) of being able to with vertical pole (3) head screw thread is adapted, limiting piece (5) is installed on base (2), and vertical pole (3) is provided with first limit hole (31), when vertical pole (3) head installs in installation slot (41) and installs in place, the limiting part of limiting piece (5) can be limited in first limit hole (31).

2. The pre-fabricated stair based assembled railing according to claim 1, characterized in that, The limiting piece (5) includes a limiting shaft (51), a baffle seat (52), and a return spring (53); the limiting shaft (51) is adapted to the first limit hole (31), and the limiting shaft (51) slides through the side of the through slot (21) away from the prefabricated stair (1); the end of the limiting shaft (51) located outside the through slot (21) is connected to the baffle seat (52), and the return spring (53) is sleeved on the limiting shaft (51), with one end connected to the baffle seat (52) and the other end connected to the outer wall of the through slot (21).

3. The pre-fabricated stair based assembled railing according to claim 2, characterized in that, The edges of the left and right sides of the through slot (21) are provided with inwardly bent lug portions (22); the limiting shaft (51) slides through the lug portion (22) away from the prefabricated stair (1).

4. The pre-fabricated stair based fabricated balustrade according to claim 3, wherein, The first limit hole (31) is a through hole, and the lug portion (22) near the prefabricated stair (1) side of the through slot (21) is provided with a second limit slot (23); when the return spring (53) is in a free state, the limiting shaft (51) can pass through the first limit hole (31) and be inserted into the second limit slot (23).

5. The pre-fabricated stair based assembled railing according to claim 1, characterized in that, The cross section of the connecting plate (32) is rectangular, and the width is adapted to the slot width of the through slot (21).

6. The pre-fabricated stair based assembled railing according to claim 2, characterized in that, The side of the base (2) away from the prefabricated stair (1) is provided with an anti-touch device; when the limiting shaft (51) is inserted into the first limit hole (31), the anti-touch device prevents the limiting shaft (51) from disengaging from the first limit hole (31).

7. The pre-fabricated stair based fabricated balustrade according to claim 6, characterized in that, The anti-touch device includes an L-shaped baffle (6) and a rotating rod (7); one free end of the L-shaped baffle (6) is installed on the surface of the base (2), and a third limit hole (61) is provided on the plate surface near the other free end; the rotating rod (7) includes a first connecting rod (71), a second connecting rod (72), and a third connecting rod (73) connected end to end to form a Z-shaped structure; the free end of the first connecting rod (71) is rotatably connected to the baffle seat (52), and the free end of the third connecting rod (73) can be inserted into the third limit hole (61).

8. The pre-fabricated stair based fabricated balustrade according to claim 7, characterized in that, The first connecting rod (71), the second connecting rod (72) and the third connecting rod (73) are integrally formed.

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