CN218779824U - Angle-adjustable assembled stair - Google Patents
Angle-adjustable assembled stair Download PDFInfo
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- CN218779824U CN218779824U CN202221855111.7U CN202221855111U CN218779824U CN 218779824 U CN218779824 U CN 218779824U CN 202221855111 U CN202221855111 U CN 202221855111U CN 218779824 U CN218779824 U CN 218779824U
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- leveling
- supporting beam
- angle
- tread
- adjustable
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Abstract
The invention relates to an angle-adjustable assembly type stair, which comprises a supporting beam, a plurality of leveling tread platforms and an angle-adjustable base, wherein the leveling tread platforms are arranged on the supporting beam; two ends of the supporting beam are respectively and rotatably connected with an angle adjusting base; each leveling pedal platform comprises a leveling upright post, a pedal platform surface and a leveling block, wherein a concave bridging part is arranged at the bottom end of the leveling upright post, and a plane is found in the middle of the bridging part; the leveling block is arranged between the leveling plane and the supporting beam to compensate the angle; the supporting beam is clamped with the bridging part, so that the leveling upright post is arranged on the supporting beam in a bridging manner through the bearing of the leveling block; the two ends of the non-sunken bridging part are attached to the side surface of the supporting beam and fixedly connected with the supporting beam through bolts. According to the assembled stair, the stair tread is arranged on the support beam in a spanning mode, stress on the top of the stair tread is transmitted to the support beam from the contact surface of the stair tread, the leveling block and the top of the support beam, the load capable of being carried by the stair tread is improved, and the angle can be adjusted according to different layer heights and gradient conditions.
Description
Technical Field
The utility model belongs to the technical field of the stair are made, concretely relates to adjustable angle's assembled stair.
Background
The existing staircases generally need to be cast in situ or finished products are produced in factories and then installed on site. The construction period of cast-in-place is longer, and the transfer cost and difficulty of direct installation of finished products are higher. In order to meet the requirements of modern building manufacture and decoration on higher and higher timeliness and cost, the utilization rate of the assembled stair which is prefabricated by a plurality of components in a factory and quickly assembled on site is increased.
However, the prior assembled stairway generally uses two ends of a stair supporting beam to fix the pedals, and the connecting piece plays a role in transferring force between the pedals and the supporting beam. And current assembled stair generally do not possess angle modulation function for customizing, need customize solitary one set of assembled stair subassembly respectively to different floor height and slope. Like a full assembled prefabricated staircase of publication No. CN112127557A, the stair tread passes through the demountable installation spare to be fixed in the bracing beam side, and the atress performance is relatively poor, has certain use risk, and the stair angle is fixed, needs to be customized respectively to different floor heights.
SUMMERY OF THE UTILITY MODEL
Based on the above-mentioned shortcomings and drawbacks of the prior art, it is an object of the present invention to at least solve one or more of the above-mentioned problems of the prior art, in other words, to provide an angle-adjustable assembly stair that satisfies one or more of the above-mentioned needs.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
an angle-adjustable assembled stair comprises a supporting beam (1), a plurality of leveling tread platforms arranged on the supporting beam (1) and two angle-adjustable bases (3);
the two angle adjusting bases (3) are respectively arranged at the transition positions of adjacent floors, and two ends of the supporting beam (1) are respectively and rotatably connected with one angle adjusting base (3); each leveling tread comprises a leveling upright post (21), a tread surface (22) and a leveling block (23), the tread surface (22) is fixedly connected to the first end of the leveling upright post (21), the second end of the leveling upright post (21) is provided with a concave bridging part, and the middle of the bridging part is a leveling plane; the leveling block (23) is provided with an upper end surface and a lower end surface, an included angle is formed between the upper end surface and the lower end surface, the leveling surface is attached to the upper end surface, and the supporting beam (1) is attached to the lower end surface; the supporting beam (1) is clamped with the bridging part, so that the leveling upright column (21) is bridged on the supporting beam (1) through the bearing of the leveling block (23); the two ends of the non-sunken bridging part are attached to the side surface of the support beam (1) and fixedly connected with the support beam (1) through bolts.
Preferably, the supporting beam (1) is divided into a plurality of sections, and the plurality of sections of supporting beams (1) are sequentially detachably connected.
More preferably, the support beam (1) has an expansion part (11), and the expansion part (11) is provided with a positioning pin opening to fix the expansion part (11).
As a preferable scheme, the support beam (1) is provided with an embedded groove which is used for accommodating the leveling block (23).
Preferably, the angle adjusting base (3) is provided with a convex connecting arm, and the end part of the supporting beam (1) is fixedly connected with the connecting arm through a bolt.
Preferably, the supporting beam (1) is provided with a plurality of parallel arrangement, and the second end surface of the leveling upright post (21) is provided with a plurality of spanning parts; the leveling upright posts (21) are arranged on the support beams (1) in a spanning mode.
On the other hand, the utility model also provides an installation method of assembled stair for install the assembled stair of any one above-mentioned, the method includes the following step:
s1, rotatably connecting two ends of a support beam (1) with an angle adjusting base (3) respectively;
s2, respectively installing angle adjusting bases (3) at the transition positions of adjacent floors;
s3, selecting an included angle between the upper end face and the lower end face of the leveling block (23) according to the current installation angle of the support beam (1);
s4, respectively placing the leveling blocks (23) at the installation positions of the leveling upright columns (21) on the support beam (1);
s5, clamping the leveling blocks (23) at intervals at the bridging parts of the leveling upright columns (21) with the supporting beam (1), and enabling the leveling upright columns (21) to be spanned on the supporting beam (1) through the bearing of the leveling blocks (23);
s6, installing a bolt between the leveling upright post (21) and the support beam (1);
s7, mounting the tread (22) on the top end of the leveling upright post (21).
Preferably, in the step S4, the leveling block (23) is placed in the embedded groove.
Preferably, step S5 specifically includes: the plurality of bridging parts of the leveling upright columns (21) are clamped with one supporting beam (1) respectively, so that the leveling upright columns (21) are arranged on the supporting beams (1) in a bridging mode.
Preferably, step S0 is further included before step S1, and the number of the nodes of the support beam (1) is adjusted according to the distance between the transfer places of the adjacent floors.
Compared with the prior art, the utility model, beneficial effect is:
the utility model discloses an adjustable angle's assembled stair, stair tread strides and establishes on a supporting beam, and the atress at its top is transmitted to a supporting beam from stair tread and the contact surface at a supporting beam top, and not through the connecting piece transmission, has improved the load that stair tread can carry on, has avoided stair tread and supporting beam between the connecting piece bear the potential safety hazard that too big pressure brought;
the utility model discloses an angle-adjustable's assembled stair can be according to different floor height and slope condition angle of adjustment.
Drawings
Fig. 1 is a schematic structural view of an angle-adjustable fabricated stairway according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an angle adjusting base according to embodiment 1 of the present invention;
fig. 3 is a schematic view of the structure and installation of the leveling block according to embodiment 1 of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
Example 1: the structure of the angle-assembled staircase of the embodiment is shown in fig. 1, and comprises a supporting beam 1, leveling tread platforms sequentially arranged on the supporting beam 1 along the extending direction of the supporting beam 1, and two angle-adjusting bases 3 rotatably arranged at two ends of the supporting beam 1 respectively.
The structure of the seat part 3 is shown in fig. 2, and includes a seat part 31 and a rotating shaft part 32, the seat part 31 is a plate-shaped seat part with a fixing hole, and the rotating shaft part 32 is two semicircular arms protruding from the seat part 31. Two ends of the supporting beam 1 are provided with shaft arms extending into the two semicircular rotating shaft pieces, and the supporting beam 1 is fixedly connected with the angle adjusting base by using the rotating shaft to penetrate through the rotating shaft part 32 and the shaft arms of the supporting beam 1.
Wherein a supporting beam 1 is strip shaped steel, and every group is levelled and is stepped on the platform and all includes vertical stand 21, the horizontally step on the platform 22 and the piece 23 of making level, steps on the platform 22 and is the horizontal plate, through bolt fixed connection in the top of the stand 21 of making level, or rather than the integrated casting shaping in order to obtain better bearing capacity.
At the bottom of the leveling upright post 21, a bridging portion with two high sides and a concave middle is arranged, the concave middle of the bridging portion is a plane, and the width of the bridging portion is the same as that of the supporting beam 1.
The structure and installation schematic diagram of the leveling block 23 are shown in fig. 3, the upper and lower sides of the leveling block 23 are respectively provided with an upper end surface and a lower end surface, the upper end surface is attached to the leveling surface of the leveling upright post 21, the lower end surface is attached to the upper surface of the supporting beam 1, the upper end surface and the lower end surface of the leveling block 23 are not parallel to each other, but form a certain included angle, and the included angle is equal to the angle difference between the leveling surface and the supporting beam 1 when the tread platform 22 at the top of the leveling upright post 21 is horizontal. The included angle between the upper end face and the lower end face of the leveling block 23 can be padded to compensate the angle difference between the leveling plane and the supporting beam 1, so that the pedal can be kept horizontal.
The leveling blocks 23 are arranged on the supporting beam 1, and the width of the leveling blocks is the same as that of the supporting beam 1 and the leveling surface, so that the top of the supporting beam 1 is partially embedded into the bridging part at intervals of the leveling blocks 23. When the leveling upright posts 21 stand on the supporting beam 1 at intervals with the leveling blocks 23, the tread surface 22 is horizontal, the top of the supporting beam 1 is clamped into the concave part of the bridging part, and the parts of the two ends of the concave part which are higher are downwards extended from the side surface of the supporting beam 1 to clamp the supporting beam 1 from the two sides.
The parts clamped at the two sides are provided with through holes which horizontally penetrate through the supporting beam 1, so that the leveling upright post 21 and the supporting beam 1 are fixedly connected and locked when a bolt passes through the through holes and nuts are screwed from the two sides for fixing.
When the leveling upright post 21 of the structure is arranged on the supporting beam 1 in a striding manner, the stress of the leveling upright post 21 is completely transmitted through the contact surface between the leveling plane and the top of the supporting beam 1 and the leveling block 23, namely, the stress of a pedestrian or a cargo on the tread 22 is transmitted through the contact surface between the leveling block 23 and the top of the supporting beam 1 in a vertical manner instead of transmitting the stress through the connecting pieces on two sides of the tread 22, so that the tread 22 is adjusted to keep horizontal and have excellent bearing capacity. And the stability of the fixed connection of the leveling upright post 21 is further improved by clamping the supporting beam at two ends.
As a further improvement, in order to improve the stress performance of the connection between the support beam 1 and the leveling upright 21, and to improve the stability and the ease of assembly of the leveling block 23 fixed on the support beam 1. An embedded groove is formed in each position, where the leveling upright post 21 is installed, of the supporting beam 1, the embedded groove is used for containing the leveling block 23, and the shape of the bottom surface of the embedded groove is the same as that of the lower end surface of the leveling block. Based on the improvement, the position of the leveling block 23 can be determined only by finding the position of the embedding groove and embedding the embedding groove into the embedding groove during assembly, and the restriction of the side surface of the embedding groove on the leveling block 23 can ensure that the leveling block 23 cannot slip off in the use process of the stair.
The assembled stair of this embodiment can produce supporting beam 1, make level the stand 21, step on the mesa 22, angle modulation base 3 and with the required fixing bolt of above-mentioned structure respectively in the mill to send the part produced to the job site, only need simple concatenation can accomplish the buildding of assembled stair fast, and the assembled stair of this embodiment structure has outstanding atress performance.
The assembly type staircase based on the structure has the following installation method:
firstly, a supporting beam 1 is flatly placed on the ground, two ends of the supporting beam are respectively provided with an angle adjusting base 3, a connecting part of the supporting beam 1 extends into a space between two shaft arms of the angle adjusting bases 3, the connecting part is aligned with a through hole on a connecting arm, and then a rotating shaft is inserted and fixed on the shaft arms from two ends.
The supporting beam 1 which is rotatably connected with the angle adjusting base 3 is lifted up and placed between adjacent floors, the angle adjusting base 3 is positioned at the switching position of the adjacent floors, the screws penetrate through the angle adjusting base and the floor ground, and the two angle adjusting bases 3 are respectively nailed and fixed on the two layers of ground.
And selecting an included angle between the upper end surface and the lower end surface of the leveling block 23 according to the current installation angle of the supporting beam 1, wherein the included angle is equal to the angle difference between the leveling plane and the supporting beam 1 when the tread 22 at the top of the leveling upright post 21 is horizontal.
The leveling blocks 23 are respectively placed in each embedded groove formed in the support beam 1.
The leveling upright posts 21 are respectively hoisted and placed on the leveling blocks 23, so that the bridging parts at the bottom ends of the leveling upright posts 21 are clamped with the supporting beam 1 at intervals by the leveling blocks 23.
And penetrating the bolt through the through hole between the cross-connecting part of the leveling upright post 21 and the supporting beam 1, and locking the bolt from two ends.
The tread 22 is respectively hoisted and correspondingly installed at the top end of the leveling upright post 21, and the tread 22 is fixedly connected with the top end of the leveling upright post 21 by using screws.
Example 2: the assembled stair of the embodiment is different from the assembled stair of the embodiment 1 in that:
the support beam has a plurality ofly, a plurality of support beam parallel arrangement.
The stand of making level has a plurality of bridging portion, and the direction that a plurality of bridging portion were arranged is equal to the direction that a plurality of supporting beams arranged and the distance is the same, makes a plurality of bridging portion can one by one respectively with a supporting beam cross-over connection, finally makes the stand of making level stride simultaneously and locates on a plurality of supporting beams. The assembled stair with the structure utilizes the support beams to share pressure, so that the stress performance is improved.
The assembly type staircase based on the structure has the following installation method difference from the embodiment 1:
when the leveling upright posts are placed in the embedded grooves of the supporting beams, each bridging part is clamped with the embedded groove of one supporting beam, so that the leveling upright posts are arranged on the supporting beams in a bridging mode.
Other structures and mounting methods can be referred to embodiment 1.
Example 3: the assembled stair of the embodiment is different from the assembled stair of the embodiment 1 in that:
the supporting beam is divided into a plurality of sections, connecting parts are arranged at two ends of each section of supporting beam, connecting holes are formed in the connecting parts, two adjacent sections of supporting beams are connected through the connecting parts and are inserted into the connecting holes by bolts to be connected into a whole, the length of the supporting beam can be changed by increasing or decreasing the number of the sections of the supporting beam, and therefore the angle-adjustable assembly type stair can be always installed on the ground with any floor height in proper length.
Furthermore, on the basis that the supporting beams are divided into a plurality of sections, the supporting beam at the tail section is also provided with an expansion part, and the expansion part is provided with a positioning pin opening. The length of this section supporting beam can be adjusted to the pars contractilis to the total length of less degree must fine adjustment supporting beam, and insert the locating pin after adjusting to required length with length fixed.
Based on the above structure, the mounting method of the angle-adjustable fabricated stairway of the embodiment is different from that of the embodiment 1 in that:
before the support beams are installed on the angle adjusting base, the number of the sections of the support beams is selected according to the distance between the transition positions of adjacent floors, and the connecting parts of the support beams are fixedly connected through bolts.
And then finely adjusting the length of the telescopic part of the final section support beam to enable the staircase to be better adapted to the current floor height and the distance, and then inserting a positioning pin into a positioning pin hole of the telescopic part to fix the telescopic part.
It should be noted that the above-mentioned embodiments are only for illustrating the preferred embodiments and principles of the present invention in detail, and it should be understood that the changes in the detailed implementation manner according to the idea provided by the present invention can be made by those skilled in the art, and these changes should be regarded as the protection scope of the present invention.
Claims (6)
1. An angle-adjustable assembly type stair is characterized by comprising a supporting beam (1), a plurality of leveling tread platforms arranged on the supporting beam (1) and two angle-adjustable bases (3);
the two angle adjusting bases (3) are respectively arranged at the transition positions of adjacent floors, and two ends of the supporting beam (1) are respectively connected to one angle adjusting base (3) in a rotating manner; each leveling tread platform comprises a leveling upright post (21), a tread surface (22) and a leveling block (23), the tread surface (22) is fixedly connected to the first end of the leveling upright post (21), the second end of the leveling upright post (21) is provided with a sunken bridging part, and a plane is found in the middle of the bridging part; the leveling block (23) is provided with an upper end surface and a lower end surface, an included angle is formed between the upper end surface and the lower end surface, the leveling surface is attached to the upper end surface, and the supporting beam (1) is attached to the lower end surface; the supporting beam (1) is clamped with the bridging part, so that the leveling upright column (21) is bridged on the supporting beam (1) through the bearing of the leveling block (23); the two ends of the non-sunken bridging part are attached to the side surface of the support beam (1) and fixedly connected with the support beam (1) through bolts.
2. The assembled stairway with adjustable angle as claimed in claim 1, wherein the support beam (1) is divided into a plurality of sections, and the plurality of sections of the support beam (1) are detachably connected in sequence.
3. An angle adjustable fabricated stairway as claimed in claim 2, characterized in that the support beam (1) has a telescoping section (11), the telescoping section (11) being provided with a dowel hole for fixing the telescoping section (11).
4. An angle adjustable fabricated staircase according to claim 1, characterized in that the supporting beam (1) is provided with embedded grooves for receiving the leveling blocks (23).
5. An angle adjustable fabricated stairway as claimed in claim 1, characterized in that said angle adjustable base (3) has protruding axle arms, and the ends of said support beam (1) are fixedly connected with said axle arms by bolts.
6. An angle-adjustable fabricated stairway as claimed in claim 1, wherein the supporting beam (1) has a plurality of parallel-arranged, and the second end face of the leveling column (21) is provided with a plurality of bridges; the leveling upright columns (21) are bridged on the supporting beams (1) at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221855111.7U CN218779824U (en) | 2022-07-19 | 2022-07-19 | Angle-adjustable assembled stair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221855111.7U CN218779824U (en) | 2022-07-19 | 2022-07-19 | Angle-adjustable assembled stair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218779824U true CN218779824U (en) | 2023-03-31 |
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ID=85707689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221855111.7U Active CN218779824U (en) | 2022-07-19 | 2022-07-19 | Angle-adjustable assembled stair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218779824U (en) |
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2022
- 2022-07-19 CN CN202221855111.7U patent/CN218779824U/en active Active
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