CN216475992U - Non-column rotary stair - Google Patents

Abstract

The utility model belongs to the technical field of building engineering, and discloses a columnless rotary stair which comprises a side plate and a step, wherein the side plate rotates upwards, the thickness of the bottom end of the side plate is larger than that of the upper end of the side plate so as to form a supporting beam, the side plate comprises a plurality of side plate sections, each side plate section comprises a baffle and a fixing plate which are fixedly connected with each other, the fixing plates of adjacent side plate sections are in threaded connection after being lapped, the step comprises a plurality of connected step structures, and the step structures can be in threaded connection with the side plates. The columnless spiral stair provided by the utility model is convenient for component transportation, can be repeatedly used without welding, improves the economy of assembling the spiral stair, and also meets the safety requirement of the spiral stair.

Description

Non-column rotary stair

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a rotary stair without columns.

Background

The fabricated building is a building which is fabricated by transferring a large amount of field operation work in the conventional construction mode to a factory, processing and manufacturing building components and accessories such as floor slabs, wall slabs, stairs, balconies and the like in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode. The prefabricated building mainly comprises a prefabricated concrete structure, a steel structure, a modern wood structure building and the like, and is a representative of a modern industrial production mode due to the adoption of standardized design, factory production, assembly construction, informatization management and intelligent application. The assembled building has the following characteristics: 1. a large number of building parts are produced and processed by workshops; 2. a large amount of assembly operation is carried out on site, which is greatly reduced compared with the original cast-in-place operation; 3. the building and decoration integrated design and construction are adopted, and the ideal state is that decoration can be synchronously carried out along with the main body construction; 4. standardization of design and informatization of management, the more standard the component is, the higher the production efficiency is, the lower the corresponding component cost will be, and the cost performance of the whole fabricated building will be higher and higher in cooperation with digital management of a factory; 5. the requirement of green buildings is met; 6. energy conservation and environmental protection.

In the field of current engineering, the assembly type application is more and more extensive, and the assembly type component is adopted not only for the building itself, but also for the on-site temporary construction. However, the conventional non-column spiral staircase still adopts a welding process, the method is labor-consuming and material-consuming, the member is disadvantageously damaged by repeated welding and cutting, and the member is disadvantageously utilized for multiple times, so that the true assembly type project cannot be achieved.

The spiral stairs in the prior art are generally called spiral or spiral stairs and are generally arranged around a single column. The stair cannot be used as a main pedestrian traffic and evacuation stair, but is usually used in office buildings and residential buildings with few floor numbers or used as small building products arranged in courtyards or rooms due to attractive, elegant and elegant streamline and relatively saved space. The spiral stair has the advantage of saving space, and the existing spiral stair is mostly a center pillar spiral stair, and the stress point of the spiral stair is only one, namely, the center is stressed. The structure of the spiral staircase causes the tread to be in a state of shaking up and down if walking on the outer side of the staircase.

Rotatory stair among the prior art mainly have two kinds, at first be the rotatory stair including well jack-post steel reinforcement cage, the tip of stair step board has the overlap joint structure, and a plurality of stair step boards are through respective overlap joint structure one-step ground upwards the overlap joint and one-step stagger in order along horizontal circumferencial direction, and a plurality of stair step boards form the multistage board layer of marking time. The rotary stair is rotatably assembled around a middle axial column, the length of the middle axial column is long, a middle axial column base needs to be installed firstly when the rotary stair is installed, then stair tread boards need to be installed, and high-strength concrete still needs to be poured in the middle of the installation. The rotary stair is complex to assemble, needs the support of the middle shaft column and cannot be recycled.

The second is a non-column assembled spiral stair, which comprises a frame type spiral stair that forms a rotary structure by using a frame and then covers a pedal component. When the non-column spiral stair is assembled, the rotary frame and the pedal part are assembled, and the function of the spiral stair can be achieved after the assembly is completed.

The assembled spiral staircase further comprises a non-column spiral staircase which is directly formed by combining plate-shaped structures, the non-column spiral staircase comprises a plurality of rotary staircase sections which are connected in a welded mode, and each rotary staircase section comprises an outer bent and twisted side wall, an inner bent and twisted side wall, a bottom plate, a step plate, a horizontal support plate and a vertical support plate. The rotation angle and the access position of each rotary stair section of the non-column rotary stair are the same, and the non-column rotary stair is only suitable for specific building environments. And two adjacent rotary stair sections of the non-column rotary stair are connected through welding and cannot be recycled.

Therefore, a non-pole spiral stair is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary stair without columns, which does not need welding, can be repeatedly used and is simple in assembly operation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a no post spiral staircase, includes rotatory curb plate and the ladder that rises, and the bottom thickness of this curb plate is greater than upper end thickness to form a supporting beam, the curb plate includes a plurality of curb plate sections, and every curb plate section is including the baffle and the fixed plate that link firmly each other, spiro union behind the fixed plate overlap joint of two adjacent curb plate sections, and this ladder includes a plurality of continuous structures of marking time, and the structure of should marking time can spiro union to curb plate.

Optionally, the stepping structures comprise interconnected tread plates and support plates, the support plate of one stepping structure being removably connected to the tread plate of another stepping structure.

Optionally, the stepping structure further comprises a step connecting plate fixedly connected to the stepping plate, and the stepping plate of one stepping structure can be detachably connected to the supporting plate of another stepping structure through the step connecting plate.

Optionally, the non-post spiral staircase further comprises a plurality of baffle fixing devices, each baffle fixing device comprises a first baffle fixing device and a second baffle fixing device, a fixing piece is arranged on each first baffle fixing device, each second baffle fixing device is provided with a through hole, two fixing plates which are overlapped with each other are clamped between one first baffle fixing device and one second baffle fixing device, and the fixing pieces penetrate through the two fixing plates which are overlapped with each other and are inserted into the through holes.

Optionally, the sum of the thicknesses of the first baffle fixing device, the second baffle fixing device and the two fixing plates is equal to the thickness of the baffle plate.

Optionally, a fastening hole is formed in the side face of the stepping structure, a through hole is formed in the baffle, and the stepping structure is connected with the baffle through a fastening piece penetrating through the fastening hole and the through hole.

Optionally, the thickness of the area where the baffle plate is in fit connection with the step structure is larger than that of other areas.

Optionally, a fixing device is connected to the baffle plate at the starting end of the non-column spiral staircase.

Alternatively, the step plate is vertically connected to the support plate, and the step plates of the steps are parallel to each other.

Alternatively, the width of the inner sides of the plurality of step plates of the step is equal, and the width of the outer sides is gradually reduced from one end to the other end of the pillarless spiral staircase.

The utility model has the beneficial effects that:

the utility model provides a columnless spiral staircase, which comprises a side plate and a ladder, wherein the side plate rises in a rotating mode, the thickness of the bottom end of the side plate is larger than that of the upper end of the side plate so as to form a supporting beam, the side plate comprises a plurality of side plate sections, each side plate section comprises a baffle and a fixing plate which are fixedly connected with each other, the fixing plates of adjacent side plate sections are in threaded connection after being in lapped joint, the ladder comprises a plurality of connected step structures, and the step structures can be in threaded connection with the side plates. This no post whirl stair installation is simple and convenient, and whole process need not the welding, also can not cause the injury to stair structure main part, only needs to pass through detachable form installation to ladder and curb plate fixed. The columnless spiral stair facilitates component transportation and can be repeatedly used, the economy of assembling the spiral stair is improved, and the safety requirement of the spiral stair is also met.

Drawings

FIG. 1 is a schematic view of a non-post spiral staircase according to an embodiment of the present invention;

FIG. 2 is an exploded view of a flight of a non-post spiral staircase according to an embodiment of the present invention;

FIG. 3 is a ladder assembly view of a pillarless spiral staircase according to an embodiment of the present invention;

FIG. 4 is an exploded side panel view of a non-post spiral staircase according to an embodiment of the present invention;

FIG. 5 is a block diagram of a flight securing device for a non-post spiral staircase according to an embodiment of the present invention;

fig. 6 is an assembly view of a sidewall section and a blind fixture of a pillarless spiral staircase according to an embodiment of the present invention.

In the figure:

100. a side panel segment; 110. a baffle plate; 120. a fixing plate; 130. a fixing device;

200. a step structure; 210. a step plate; 220. a support plate; 230. a step connecting plate;

300. a baffle fixing device; 310. a first baffle fixing device; 320. a second baffle fixing device; 330. and a fixing member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Fig. 1 is a schematic view illustrating a structure of a pillar-free spiral staircase according to an embodiment of the present invention. Referring to fig. 1, the pillarless spiral staircase includes a plurality of spiral staircase sections connected in sequence, the spiral staircase sections including side plates which rise in a spiral, steps, and a plurality of barrier fixtures 300. The side plate comprises a plurality of side plate sections 100, each side plate section 100 comprises a baffle 110 and a fixing plate 120 which are fixedly connected with each other, and the fixing plates 120 of two adjacent side plate sections 100 are in threaded connection after being lapped. The ladder includes a plurality of structure 200 of marking time that can dismantle the connection in proper order, and structure 200 of marking time can the spiro union to the curb plate. Two adjacent side panel segments 100 are removably connected by a baffle fixture 300. All parts of this no post spiral staircase all realize the assembly through dismantling the connection, need not the welding, and all equal reuse of each part just dismantle convenient each part transportation in rear, have improved the economic nature of assembling spiral staircase.

Specifically, the side of the step is provided with fastening holes, the step is erected between two side plates which rise in a rotating manner, and the mounting bolt can fixedly connect the step and the side plates through the fastening holes.

Fig. 2 shows a step exploded view of the pillarless spiral staircase according to the embodiment of the present invention, and fig. 3 shows a step assembled view of the pillarless spiral staircase according to the embodiment of the present invention. Referring to fig. 2 and 3, the stepping structure 200 includes a stepping plate 210 and a supporting plate 220, and a step connecting plate 230 is vertically connected to the supporting plate 220.

Specifically, the step plate 210 is a quadrangular metal plate having an arbitrary side length. The shape of the tread 210 of a pillar-free spiral staircase determines the rotation angle of the pillar-free spiral staircase, and the size and the rotation angle of the pillar-free spiral staircase can be preset according to actual requirements, for example, the widths of the inner sides of the tread 210 of a plurality of tread structures 200 of the pillar-free spiral staircase are equal, the difference values of the widths of the outer sides are uniformly reduced until the difference values are equal to the width of the inner sides, and when the tread structures 200 are connected from one end of the pillar-free spiral staircase in a manner of sequentially reducing the widths of the outer sides of the tread 210, the uniform pillar-free spiral staircase which rotates upwards in one direction and has a constant rotation angle can be obtained. If the construction site situation is more complicated and a spiral stair with variable rotation direction or rotation angle is needed, the step structures 200 with different shapes of the step plates 210 suitable for the situation can be produced by pre-design, and then the step structures 200 are assembled to obtain the suitable non-column spiral stair.

More specifically, the supporting plate 220 is a rectangular metal plate having the same thickness as the tread plate 210, one side of the tread plate 210 is vertically connected to the supporting plate 220, and the other side is vertically connected to the step connection plate 230, and the installation direction of the step connection plate 230 on the tread plate 210 is opposite to the installation direction of the supporting plate 220. The tread plates 210 of one step may be detachably coupled to the other step support plate 220 vertically by means of a step coupling plate 230, and a plurality of tread structures 200 are sequentially coupled by means of the step coupling plate 230 mounted thereon to form steps of the pillarless spiral staircase, which are provided for walking.

Specifically, the two ends of the tread plate 210 are turned downwards to form a first mounting plate, the two ends of the supporting plate 220 are turned towards the direction of the tread plate 210 to form a second mounting plate, the first mounting plate and the second mounting plate are respectively provided with a plurality of through fastening holes, when the ladder is erected between the side plates at the two sides, the first mounting plate and the second mounting plate are abutted against the side protection plate, the side plate section 100 is also provided with through mounting holes corresponding to the fastening holes, the mounting bolts can penetrate through the corresponding fastening holes and the mounting holes, and the tread structure 200 and the side plate section 100 are fixedly connected at the other side of the first mounting plate and the second mounting plate.

More specifically, the step connecting plate 230 is a metal sheet having a thickness smaller than that of the step plate 210, and two through fastening holes are opened in the metal sheet. When two adjacent stepping structures 200 are installed, the supporting plate 220 of one stepping structure 200 is vertically placed on the stepping plate 210 of the other stepping structure 200, the step connecting plate 230 fixedly connected to the stepping plate 210 is abutted against the inner side plate surface of the supporting plate 220, and two step connecting plates with the length larger than that of the step connecting plate are used

The fastening bolt with the thickness of the stepped connecting plate 230 penetrates through the supporting plate 220, penetrates through the two fastening holes, penetrates out from one side of the stepped connecting plate 230, and is fixed by two fastening nuts on the other side of the stepped connecting plate 230 respectively, so that the stepped connecting plate 230 is pressed against the supporting plate 220 to realize fixed connection.

More specifically, a plurality of step boards 210 of no post spiral staircase are parallel to each other, and a plurality of backup pad 220 are also parallel to each other, can guarantee trample and stability, the stationarity of connecting.

Fig. 4 shows an exploded side panel of the spiral staircase without columns according to the embodiment of the present invention. Referring to fig. 4, the side panel section 100 includes a baffle 110, a fixing plate 120, and a fixing device 130 connected to each other.

Specifically, the baffle 110 is a flat-surfaced metal plate, which is used for mounting the step structure 200 in a range of one-fourth of the height from the bottom, and is a joint connection area of the step and the side plate, and the thickness of the joint connection area is greater than that of other areas. The baffle 110 is provided with a pair of through mounting holes in the attachment connection region, corresponding to the fastening holes in the first mounting plate and the second mounting plate of the step structure 200. The laminating connection area of thickening can strengthen the fixed of marking time structure 200 and curb plate section 100, prevents that stress concentration from making the plate body of curb plate section 100 produce fatigue crack and even take place the static fracture, strengthens this no post spiral staircase assembly's steadiness.

More specifically, the fixing plate 120 is fixedly connected to one end or two ends of the baffle 110, only one end of the baffle 110 of the lateral plate section 100 at the end of the non-post spiral staircase is fixedly connected to the fixing plate 120, and the fixing plates 120 are disposed at two ends of the baffle 110 of the lateral plate section 100 at the middle position of the non-post spiral staircase. The extension of the side plate segment 100 can be achieved by connecting the baffles 110 of a plurality of adjacent side plate segments 100 by means of the fixing plate 120.

The height of the fixing plate 120 is the same as the height of the baffle 110, and the thickness is less than half of the thickness of the baffle 110. The fixing plate 120 is formed with a through fixing hole. The fixing plates 120 of two adjacent side plate sections 100 on one side of the non-column spiral staircase are identical in shape and size and can be connected in an overlapping mode, and after the fixing plates 120 of the two side plate sections 100 are connected in the overlapping mode, fixing holes in the two fixing plates 120 can correspond to one another.

More specifically, the fixing device 130 is further connected to the baffle 110 at the starting end of the non-post spiral staircase. The fixing device 130 is a small metal plate having a width equal to the thickness of the bonding connection area of the baffle 110, and a plurality of through holes are formed in the fixing device 130. When the non-post spiral staircase is installed to a target position, the fixing device 130 can be attached to the ground or a mounting plane, and the non-post spiral staircase can be stably installed by fixedly connecting the fixing device 130 to the ground or the mounting plane through the through holes formed in the fixing device 130 by pins or bolts.

Fig. 5 is a structural view illustrating a barrier fixing apparatus of a non-post spiral staircase according to an embodiment of the present invention, and fig. 6 is an assembly view illustrating a side plate segment and a barrier fixing apparatus of a non-post spiral staircase according to an embodiment of the present invention. Referring to fig. 5, the pillarless spiral staircase further includes a plurality of barrier fixtures 300. The barrier fixing device 300 includes a first barrier fixing device 310, a second barrier fixing device 320, and a plurality of fixing members 330.

Referring to fig. 5 and 6, the length and width dimensions of the first baffle plate fixing device 310 and the second baffle plate fixing device 320 are the same as those of the fixing plates 120, and the sum of the thicknesses of the first baffle plate fixing device 310, the second baffle plate fixing device 320 and the two fixing plates 120 clamped therebetween is equal to the thickness of the baffle plate 110, that is, after the assembling is completed, the outer side plate surfaces of the first baffle plate fixing device 310 and the second baffle plate fixing device 320 are flush with the inner side plate surface and the outer side plate surface of the baffle plate 110. When the two fixing plates 120 overlapped with each other are clamped between the first barrier fixing device 310 and the second barrier fixing device 320, the surface of the side guard 200 can be ensured to be flat without projecting sharp corners or metal edges, and the safety of people travelling on the non-post spiral staircase can be protected.

Specifically, a plurality of fixing members 330 are vertically fixed to the first baffle fixing device 310, and the fixing members 330 may be fastening bolts, and the positions of the fastening bolts correspond to the fixing holes of the fixing plate 120. The second baffle fixing device 320 is provided with through holes, and the positions of the through holes correspond to the fixing members 330 of the first baffle fixing device 310 one by one. When the adjacent side plate segments 100 are assembled and fixed, the two fixing plates 120 overlapped with each other are clamped between a first baffle fixing device 310 and a second baffle fixing device 320, the fixing pieces 330 sequentially penetrate through the fixing holes in the two fixing plates 120 overlapped with each other and the through holes in the second baffle fixing device 320, the fixing pieces 330 are fastened by nuts on one side of the second baffle fixing device 320, and at the moment, the two fixing plates 120 are attached and fixed, so that the connection between the two adjacent baffles 110 is realized.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A non-post spiral staircase, comprising:

the method comprises the following steps that a raised side plate is rotated, the thickness of the bottom end of the side plate is larger than that of the upper end of the side plate so as to form a supporting beam, the side plate comprises a plurality of side plate sections (100), each side plate section (100) comprises a baffle plate (110) and a fixing plate (120) which are fixedly connected with each other, and the fixing plates (120) of two adjacent side plate sections (100) are in lap joint and then are in threaded connection;

a step comprising a plurality of connected tread structures (200), the tread structures (200) being threadably connected to the side plates.

2. The pillarless spiral stair of claim 1, wherein the step structures (200) comprise interconnected tread plates (210) and support plates (220), the support plate (220) of one step structure (200) being detachably connected to the tread plate (210) of another step structure (200).

3. The pillarless spiral staircase of claim 2, wherein the tread structures (200) further comprise step connection plates (230) secured to the tread plates (210), the tread plates (210) of one tread structure (200) being detachably connectable to the support plates (220) of the other tread structure (200) via the step connection plates (230).

4. The spiral stairway without columns as claimed in claim 1, further comprising a plurality of barrier fixing devices (300), wherein the barrier fixing devices (300) comprise a first barrier fixing device (310) and a second barrier fixing device (320), a fixing member (330) is disposed on the first barrier fixing device (310), a through hole is disposed on the second barrier fixing device (320), two fixing plates (120) overlapping each other are sandwiched between one first barrier fixing device (310) and one second barrier fixing device (320), and the fixing member (330) is inserted into the through hole through the two fixing plates (120) overlapping each other.

5. The pillarless spiral staircase of claim 4, wherein the sum of the thicknesses of the first flap fixture (310), the second flap fixture (320) and both of the fixing plates (120) is equal to the thickness of the flap (110).

6. The rotary stairway without the pillars as claimed in claim 2, wherein the step structure (200) is provided with fastening holes at a side thereof, the barrier (110) is provided with through holes, and the step structure (200) and the barrier (110) are connected by fasteners penetrating the fastening holes and the through holes.

7. The pillarless spiral staircase of claim 1, wherein the thickness of the area of the flush connection of the barrier (110) to the tread structure (200) is greater than the thickness of the other areas.

8. The spiral staircase without poles as in claim 1, characterized in that the baffle (110) is attached with a fixing device (130) at the starting end of the spiral staircase without poles.

9. The pillarless spiral staircase of claim 2, wherein the tread plates (210) are vertically connected to the support plate (220), and a plurality of the tread plates (210) of the steps are parallel to each other.

10. The pillarless spiral staircase of claim 9, wherein a plurality of the tread plates (210) of the steps have an equal width on the inside and a decreasing width on the outside from one end of the pillarless spiral staircase to the other.

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