CN211548471U

CN211548471U - Decorative steel stair

Info

Publication number: CN211548471U
Application number: CN201922446900.XU
Authority: CN
Inventors: 冯海翔; 卢淑冰
Original assignee: Beijing Dongfang Huamai Engineering Design Co ltd
Current assignee: Beijing Dongfang Huamai Engineering Design Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-22
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to a decorate steel stair, including girder steel, step, guard plate, handrail, still including being used for connecting the girder steel with the first coupling assembling of step, being used for connecting the guard plate with the second coupling assembling of handrail, the girder steel sets up to two and be parallel to each other, every the slot has all been seted up on the girder steel upper surface, the guard plate with the slot cooperation of pegging graft, the step includes stiffening beam and rigid coupling and is in stiffening beam accessory plate all around, the stiffening beam both ends are passed through first coupling assembling can dismantle the connection and be two between the girder steel. The utility model discloses have and still improved bearing capacity greatly on whole pleasing to the eye basis to reduce the effect that produces unexpected probability because the footboard fracture.

Description

Decorative steel stair

Technical Field

The utility model relates to a stair especially relate to a decorate steel stair.

Background

Stairs are used as members for floor-to-floor traffic in buildings. The stair comprises a stair section with continuous stairs, a platform, a building enclosure and the like. The stairs are mostly made of reinforced concrete stairs because the factors of the structural rigidity, the construction cost, the construction, the modeling and the like of the stairs need to be considered. But for the occasions such as modern office areas, markets, exhibition halls and the like, more consideration is needed to the indoor attractiveness and comfort, so the reinforced concrete stairway is not suitable any more.

Chinese patent publication No. CN104594575B discloses a staircase, which mainly includes a steel beam, a suspension device, and a step portion; wherein the steel beam is suspended by the suspension device; the step part comprises a step plate connecting piece and a step plate; the step plate connecting piece fixes the step plate on the steel beam; the step plate comprises toughened glass layers and a film layer clamped between the toughened glass layers. Its whole is made by toughened glass to through set up the film layer between the toughened glass layer, even the toughened glass layer takes place the breakage, the toughened glass layer can not wholly drop, thereby avoids standing the direct fall of people at the flier.

However, the bearing capacity of the tempered glass is limited, and the person standing on the step plate can be prevented from directly falling down by arranging the film layer between the tempered glass layers, but the accident can not be reduced fundamentally.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a decorative steel stair, which greatly improves the bearing capacity on the overall beautiful basis, thereby reducing the probability of accidents caused by the breakage of the pedals.

The above object of the present invention can be achieved by the following technical solutions: the decorative steel stair comprises steel beams, steps, protection plates and handrails, and further comprises first connecting assemblies for connecting the steel beams and the steps, and second connecting assemblies for connecting the protection plates and the handrails, wherein the steel beams are arranged in two parallel, slots are formed in the upper surface of each steel beam, the protection plates are matched with the slots in an inserted mode, the steps comprise reinforcing beams and auxiliary plates fixedly connected around the reinforcing beams, and the two ends of each reinforcing beam are detachably connected between the two steel beams through the first connecting assemblies.

Through adopting above-mentioned technical scheme, the setting of stiffening beam can increase the bearing capacity of step, has still improved bearing capacity greatly on whole pleasing to the eye basis to reduce because the footboard fracture produces unexpected probability.

The utility model discloses can further set up to in a preferred example: first connecting element includes the rigid coupling and is in the installation roof beam at step both ends and offer two the confession of the relative one side of girder steel the mounting groove of installation roof beam embedding.

Through adopting above-mentioned technical scheme, through can fix the relative position of step and girder steel in embedding the installation roof beam mounting groove, it is more convenient to install.

The utility model discloses can further set up to in a preferred example: the first connecting component further comprises a first placing groove arranged on one side, opposite to the steel beam, of the steel beam, the first placing groove is communicated with the mounting groove, a telescopic rod is fixedly connected to the upper end of the first placing groove, and one end of the telescopic rod is abutted to the mounting beam.

Through adopting above-mentioned technical scheme, can avoid the installation roof beam to drop from the mounting groove through the telescopic link for the step is more firm with being connected of girder steel.

The utility model discloses can further set up to in a preferred example: the second coupling assembling includes that whole joint spare that is the U-shaped, joint spare includes the auxiliary portion and articulates installation department in the auxiliary portion, the installation department is kept away from the one end rigid coupling of auxiliary portion has and is used for the installation the staple bolt of handrail.

Through adopting above-mentioned technical scheme, through the joint on the guard plate to the joint spare joint, then install the relative position that just can fix handrail and guard plate in the staple bolt to the handrail, it is very convenient to install.

The utility model discloses can further set up to in a preferred example: the staple bolt includes the rigid coupling and is in mounting on the auxiliary portion and hinge the moving part of mounting one side, moving part one side with the mounting is articulated, and the opposite side rigid coupling has the joint piece, the mounting keep away from with the confession has been seted up to moving part articulated one side the joint groove of joint piece embedding.

Through adopting above-mentioned technical scheme, can realize the installation and the dismantlement of handrail through joint piece and joint groove, it is more convenient to operate.

The utility model discloses can further set up to in a preferred example: the fixing piece is provided with a clamping piece, the clamping piece is arranged on the clamping piece, an inserting groove is formed in one end of the fixing piece and penetrates through the clamping piece, an installing column is inserted into the inserting groove, a second sliding block is fixedly connected to the outer wall of the installing column, a second sliding groove for the second sliding block to slide is formed in the inner wall of the inserting groove, and a second dislocation groove communicated with the second sliding groove is formed in the closed end of the inserting groove.

Through adopting above-mentioned technical scheme, just can fix the relative position of staple bolt through inserting the installation post in the insertion groove, avoid the handrail to follow the staple bolt and fall.

The utility model discloses can further set up to in a preferred example: the joint spare deviates from its open-ended one side and has seted up the second standing groove, the second standing groove is seted up simultaneously the auxiliary portion with on the installation department, it has the apron to articulate on the second standing groove lateral wall.

Through adopting above-mentioned technical scheme, can fix the relative position of auxiliary portion and installation department through the apron, avoid auxiliary portion and installation department to take place relative rotation around its hinge point under the exogenic action.

The utility model discloses can further set up to in a preferred example: the cover plate is fixedly connected with one end, away from the hinged point of the second placing groove, of the convex edge, and a groove for embedding the convex edge is formed in the second placing groove.

Through adopting above-mentioned technical scheme, can avoid under the exogenic action apron around the pin joint rotation with the second standing groove through the cooperation of bead and recess to drop from the second standing groove.

To sum up, the utility model discloses a beneficial technological effect does:

1. the arrangement of the reinforcing beam greatly improves the bearing capacity of the stair on the basis of integral attractive appearance, so that the probability of accidents caused by the breakage of the pedals is reduced;

2. the first connecting assembly can quickly realize the installation of the steps and the steel beams, and the installation is very convenient;

3. the position of installation handrail can be rotated as required to the setting of second coupling assembling, and simple to operate is swift.

Drawings

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

FIG. 2 is a schematic view, partly in section, of the first and second connection assemblies;

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of portion B of FIG. 2;

fig. 5 is a partially enlarged schematic view of a portion C in fig. 2.

In the drawings, 1, a steel beam; 11. a slot; 2. a step; 21. a reinforcing beam; 22. an auxiliary plate; 3. a protection plate; 4. a handrail; 5. a first connection assembly; 51. mounting a beam; 52. mounting grooves; 53. a first placing groove; 54. a telescopic rod; 541. mounting the cylinder; 5411. a first chute; 5412. a first dislocation groove; 542. a slide bar; 5421. a first slider; 6. a second connection assembly; 61. a clamping piece; 611. an auxiliary part; 612. an installation part; 62. hooping; 621. a fixing member; 6211. a clamping groove; 622. a movable member; 6221. a clamping block; 63. inserting the groove; 631. a second chute; 632. a second dislocation groove; 64. mounting a column; 641. a pull ring; 642. a second slider; 65. a cover plate; 651. a rib; 652. a groove; 653. a handle; 66. and a second placing groove.

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 decorate steel stair, including two girder steel 1 that are parallel to each other, can dismantle between two girder steels 1 and be connected with a plurality of step 2, step 2 is including wholly being stiffening beam 21 and the rigid coupling of the font of falling a mountain at stiffening beam 21 auxiliary plate 22 all around, realizes dismantling the connection through first connecting elements 5 between girder steel 1 and the step 2. Slot 11 has been seted up along its length direction at 1 upper surface of every girder steel, has pegged graft along its length direction interval in every slot 11 and has a plurality of guard plates 3, can dismantle in one side that 3 keep away from girder steel 1 of guard plate simultaneously and be connected with columniform handrail 4, handrail 4 is located one side of 1 orientation steps 2 of girder steel, sets up between every handrail 4 and the girder steel 1 to realize dismantling the connection through second coupling assembling 6.

Referring to fig. 2 and 3, the first connecting assembly 5 includes mounting beams 51 fixedly connected to both ends of each reinforcing beam 21, the mounting beams 51 are L-shaped as a whole, an opening formed between the mounting beams 51 and the reinforcing beam 21 faces downward, and mounting grooves 52 into which the mounting beams 51 are inserted are formed on opposite sides of each steel beam 1, the mounting beams 51 are directly inserted into the mounting grooves 52 during installation, then the mounting beams 51 can be inserted into the mounting grooves 52 under the action of gravity, and the lower bottom surfaces of the mounting beams 51 abut against the upper surfaces of the mounting grooves 52.

Meanwhile, a first placing groove 53 communicated with the mounting groove 52 is formed in one side, opposite to each steel beam 1, of each steel beam, the first placing groove 53 is located above the mounting groove 52, a telescopic rod 54 is fixedly connected to each first placing groove 53, the telescopic rod 54 is vertically arranged and comprises a mounting tube 541 fixedly connected to the side wall of each first placing groove 53 and a sliding rod 542 slidably connected to the mounting tube 541, and the sliding rod 542 can abut against the upper surface of the mounting beam 51 when extending out of the mounting tube 541. The side wall of one end of the sliding rod 542, which is located inside the mounting tube 541, is fixedly connected with a first sliding block 5421, the inner wall of the mounting tube 541 is provided with a first sliding groove 5411 along the length direction thereof, the side wall of the mounting tube 541 is further provided with a first dislocation groove 5412 which is communicated with the first sliding groove 5411 and located on one side of the first sliding groove 5411, and the first dislocation groove 5412 is located at one end of the mounting tube 541, which is close to the sliding rod 542. Under a normal state, the sliding rod 542 is positioned in the mounting cylinder 541, after the mounting beam 51 is mounted in the mounting groove 52, the sliding rod 542 directly slides at a relative position in the mounting cylinder 541, at this time, the first sliding block 5421 also slides out in the first sliding groove 5411, then, the sliding rod 542 is rotated, the first sliding block 5421 can slide into the first dislocation groove 5412, so that the relative position relation between the sliding rod 542 and the mounting cylinder 541 is fixed, at this time, one end of the sliding rod 542, which is far away from the mounting cylinder 541, is also abutted against the mounting beam 51 so as to fix the relative position relation of the mounting beam 51 in the mounting groove 52, and the mounting beam 51 is prevented from sliding out of the mounting groove 52 under the action of external force.

Referring to fig. 2 and 4, the second connecting assembly 6 includes a U-shaped engaging member 61, the engaging member 61 includes an L-shaped auxiliary portion 611 and a mounting portion 612 hinged to the auxiliary portion 611 and having a shape identical to that of the auxiliary portion 611, a hoop 62 for mounting the armrest 4 is fixedly connected to one side of the mounting portion 612 away from the auxiliary portion 611, and when the armrest is used, the engaging member 61 is directly engaged with the protection plate 3, so that the armrest 4 can be fixed to the protection plate 3 through the hoop 62.

Referring to fig. 4 and 5, the anchor ear 62 includes a fixing element 621 fixed to the auxiliary portion 611 and having a semicircular cross section, and a moving element 622 hinged to one side of the fixing element 621 and having a shape identical to that of the fixing element 621, two clamping blocks 6221 are fixed to one side of the moving element 622 away from a hinge shaft of the fixing element 621 at intervals, a clamping groove 6211 for the clamping block 6221 to be embedded is formed in one side of the fixing element 621 away from the hinge shaft of the moving element 622, and when the clamping block 6221 is embedded in the clamping groove 6211, a circular through hole for the handrail 4 to pass through is formed between the fixing element 621 and the moving element 622.

Meanwhile, in order to prevent the movable member 622 from rotating around the hinge point with the fixing member 621 under the action of an external force, so that the clamping block 6221 slides out of the clamping groove 6211, an insertion groove 63 is formed at one end of the fixing member 621, and the axial direction of the insertion groove 63 is consistent with the axial direction of the anchor ear 62 and penetrates through two opposite sides of the clamping block 6221. An installation column 64 is inserted into the insertion groove 63, a pull ring 641 is fixedly connected to one end of the installation column 64, a second slider 642 is fixedly connected to a side wall of the installation column 64, the second slider 642 is positioned at one end of the installation column 64 far from the pull ring 641, a second sliding groove 631 allowing the second slider 642 to slide is formed in the insertion groove 63 along the length direction thereof, and a second misalignment groove 632 communicating with the second sliding groove 631 is formed at the closed end of the insertion groove 63. When the pull ring 641 is directly held by hand to insert the end of the mounting post 64 away from the pull ring 641 into the insertion slot 63, the second slide block 642 slides through the second slide slot 631 until the second slide block 642 abuts the closed end of the insertion slot 63, and then the mounting post 64 is rotated, so that the second slide block 642 is slid into the second offset slot 632 to fix the relative position of the mounting post 64 in the insertion slot 63.

Referring to fig. 4, in order to fix the relative positions of the auxiliary portion 611 and the mounting portion 612, the mounting portion 612 is prevented from rotating about the hinge point with the auxiliary portion 611 by an external force so that the snap members 61 fall off the shielding plate 3. The second placing groove 66 is formed in one side, away from the opening end, of the clamping piece 61, the second placing groove 66 is formed in the auxiliary portion 611 in half, the second placing groove 66 is formed in the mounting portion 612 in half, the second placing groove penetrates through two opposite sides of the clamping piece 61, and the opening direction of the second placing groove is opposite to the opening direction of the clamping piece 61, so that the clamping piece 61 is integrally H-shaped. Meanwhile, the side wall of the second placing groove 66 is hinged with a cover plate 65, one side, far away from the hinge shaft of the second placing groove 66, of the cover plate 65 is machined to be arc-shaped, and the cover plate 65 can be conveniently rotated out of the second placing groove 66. The one end that is processed into the circular arc at the apron 65 has a bead 651 along its length direction rigid coupling, offers the recess 652 that supplies bead 651 to imbed simultaneously on the second standing groove 66 lateral wall, and when the apron 65 was placed in second standing groove 66, during the bead 651 imbeds the recess 652, can avoid under the exogenic action apron 65 around the pin joint rotation with second standing groove 66 lateral wall. Meanwhile, the cover 65 can clamp the relative positions of the auxiliary part 611 and the mounting part 612, when the clamping member 61 needs to be removed from the protection plate 3, the cover 65 is directly operated to rotate around the hinge axis with the second placing groove 66, so that the rib 651 slides out of the groove 652, the cover 65 rotates out of the second placing groove 66, and then the auxiliary part 611 is operated to rotate around the hinge axis with the mounting part 612. Meanwhile, in order to facilitate the worker to rotate the cover plate 65, a handle 653 is fixedly connected to the cover plate 65, and when the cover plate 65 is located in the second placing groove 66, the handle 653 is located on a side of the cover plate 65 away from the second placing groove 66.

Meanwhile, in order to ensure the overall aesthetic property of the staircase, the protection plate 3 can be made of glass, and the auxiliary plate 22 can be made of wood.

To sum up, during the installation, directly insert installation roof beam 51 in mounting groove 52, then fix the relative position of installation roof beam 51 in mounting groove 52 through telescopic link 54, then block joint piece 61 interval on protection plate 3 to fix the relative position of joint piece 61 on protection plate 3 through apron 65, avoid joint piece 61 to follow landing on protection plate 3. Then the armrest 4 is put into the anchor ear 62, the snap-in block 6221 is embedded into the snap-in groove 6211 by rotating the movable piece 622, so as to fix the relative position of the armrest 4 in the anchor ear 62, and then the relative position of the movable piece 622 and the fixed piece 621 is fixed by the mounting post 64, so that the mounting work is completed, and the mounting is very convenient.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a decorate steel stair, includes girder steel (1), step (2), guard plate (3), handrail (4), its characterized in that: the steel beam (1) and the step (2) are connected through a first connecting assembly (5), the protection plate (3) and the second connecting assembly (6) of the handrail (4) are connected through the second connecting assembly (6), the steel beams (1) are arranged to be two and parallel to each other, a slot (11) is formed in the upper surface of each steel beam (1), the protection plate (3) is matched with the slot (11) in an inserting mode, the step (2) comprises a reinforcing beam (21) and auxiliary plates (22) fixedly connected to the periphery of the reinforcing beam (21), and the two ends of the reinforcing beam (21) are detachably connected between the two steel beams (1) through the first connecting assembly (5).

2. The decorative steel stair of claim 1, wherein: first connecting element (5) include the rigid coupling be in installation roof beam (51) at step (2) both ends with set up two the confession of girder steel (1) relative one side installation roof beam (51) the mounting groove (52) of embedding.

3. The decorative steel stair of claim 2, wherein: the first connecting component (5) further comprises a first placing groove (53) formed in the opposite side of the steel beam (1), the first placing groove (53) is communicated with the mounting groove (52), an expansion rod (54) is fixedly connected to the upper end of the first placing groove (53), and one end of the expansion rod (54) abuts against the mounting beam (51).

4. The decorative steel stair of claim 1, wherein: second coupling assembling (6) are joint spare (61) of U-shaped including whole, joint spare (61) include auxiliary portion (611) and articulate installation department (612) on auxiliary portion (611), installation department (612) are kept away from the one end rigid coupling of auxiliary portion (611) has and is used for the installation staple bolt (62) of handrail (4).

5. The decorative steel stair of claim 4, wherein: staple bolt (62) are including the rigid coupling be in mounting (621) on auxiliary portion (611) with articulate moving part (622) of mounting (621) one side, moving part (622) one side with mounting (621) are articulated, and the opposite side rigid coupling has joint piece (6221), mounting (621) keep away from with the confession has been seted up to moving part (622) articulated one side the joint groove (6211) of joint piece (6221) embedding.

6. The decorative steel stair of claim 5, wherein: an insertion groove (63) is formed in one end of the fixing piece (621), the insertion groove (63) penetrates through the clamping piece (61) at the same time, an installation column (64) is inserted into the insertion groove (63), a second sliding block (642) is fixedly connected to the outer wall of the installation column (64), a second sliding groove (631) for allowing the second sliding block (642) to slide is formed in the inner wall of the insertion groove (63), and a second dislocation groove (632) communicated with the second sliding groove (631) is formed in the closed end of the insertion groove (63).

7. The decorative steel stair of claim 4, wherein: the clamping piece (61) is provided with a second placing groove (66) on the side deviating from the opening of the clamping piece, the second placing groove (66) is simultaneously formed in the auxiliary portion (611) and the installation portion (612), and a cover plate (65) is hinged to the side wall of the second placing groove (66).

8. The decorative steel stair of claim 7, wherein: a convex rib (651) is fixedly connected to one end, far away from the hinge point of the cover plate (65) and the second placing groove (66), and a groove (652) for embedding the convex rib (651) is formed in the side wall of the second placing groove (66).