CN219219592U - Prefabricated stairway - Google Patents

Abstract

The utility model relates to a prefabricated stair, which belongs to the technical field of prefabricated equipment and comprises a stair body, a stair unit and a stair railing, wherein the stair body comprises a support body, an upper connector and a lower connector, one side of the upper connector is connected with one side of the support body, and the other side is connected with a corresponding floor platform; one side of the lower connector is connected with the other side of the support body, the other side of the lower connector is connected with the corresponding floor platform, and when the stair body is installed, the upper connector and the lower connector form a preset angle with the support body; the stair units are respectively detachably connected to the support body, one side surface of each stair unit, which is used for people to tread, is provided with tread surfaces, and when the stair units are arranged on the support body, the tread surfaces of the stair units are arranged in parallel; the stair railing is provided with two groups, and the two groups of stair railing are respectively detachably connected to two sides of the stair unit. This application has the effect of reducing the cost of transportation of prefabricated staircase.

Description

Prefabricated stairway

Technical Field

The application relates to the technical field of prefabrication equipment, in particular to a prefabrication stair.

Background

The prefabricated stairway is generally arranged in office buildings, large malls, airports and railway stations, is an important component part of indoor facilities, and mainly plays a role of a channel for connecting different floors.

In the related art, the prefabricated stairway comprises a stairway layer and handrails, and two ends of the stairway layer are respectively connected with two floor platforms with different heights; the handrail is arranged on two sides of the extending direction of the stair layer, when the prefabricated stair needs to be arranged, two ends of the prefabricated stair are fixedly connected with two stair platforms with different heights through concrete, and then the handrail is fixedly arranged on two sides of the extending direction of the stair layer through concrete, so that the installation of the prefabricated stair is completed.

To the above-mentioned related art, there is because of prefabricated stair structure as integrated into one piece to prefabricated stair's stair layer has more edges and corners, thereby can not stack to place in the transportation, and then lead to prefabricated stair's transportation cost higher defect.

Disclosure of Invention

In order to reduce the transportation cost of the prefabricated stairway, the application provides the prefabricated stairway

The application provides a prefabricated staircase adopts following technical scheme:

the prefabricated stair comprises a stair body, a stair unit and a stair handrail, wherein the stair body comprises a support body, an upper connector and a lower connector, one side of the upper connector is connected with one side of the support body, and the other side of the upper connector is connected with a corresponding floor platform; one side of the lower connector is connected with the other side of the support body, the other side of the lower connector is connected with the corresponding floor platform, and when the stair body is installed, the upper connector and the lower connector form a preset angle with the support body; the stair units are provided with a plurality of stair units, the stair units are respectively detachably connected to the support body, one side surface of each stair unit for people to tread is a tread surface, and when the stair units are arranged on the support body, the tread surfaces of the stair units are arranged in parallel; the stair railing is provided with two groups, and the two groups of stair railing are respectively detachably connected to two sides of the stair unit.

Through adopting above-mentioned technical scheme, when needs use prefabricated staircase, install upper connector and lower connector respectively in predetermined position earlier, then rethread concrete will go up connector and lower connector respectively with the different two floor platforms parallel arrangement of height, then install a plurality of stair units on the predetermined position of supporter, install two sets of stair handrails on the predetermined position of a plurality of stair units in order to accomplish the installation of prefabricated staircase at last, can stack respectively with stair body, stair unit and stair handrail in the transportation and place to help reducing prefabricated staircase's transportation cost.

Optionally, the support body is provided with a plurality of positioning grooves near one side surface of the stair unit; the stair units are provided with positioning blocks at one side close to the supporting body, at least two positioning blocks are arranged on each stair unit, and the positioning blocks are respectively inserted into the positioning grooves.

Through adopting above-mentioned technical scheme, when installing a plurality of stair units on the supporter, only need insert the locating piece on the stair unit and establish in the constant head tank of reservation on the supporter in can accomplish the installation to the stair unit to just need not set up other mounting structure again and realize the installation to the stair unit, thereby make prefabricated stair overall structure simpler.

Optionally, the stair railing comprises a plurality of connecting rods and supporting rods, the connecting rods are parallel and are arranged at intervals, and the connecting rods are detachably connected with the stair units respectively; the supporting rod is detachably connected with the connecting rods.

Through adopting above-mentioned technical scheme, compare in stair railing and stair body integrated into one piece's mode, this kind of design mode, because of prefabricated stair generally sets up in the great place of people's flow, so the stair railing damages more easily, because of the one end of a plurality of connecting rods is connected with a plurality of stair units is removable and the other end of supporting rod and a plurality of connecting rods is removable, so when connecting rod or supporting rod appear damaging, can dismantle the part of damage alone and change, thereby just need not change whole stair railing, and then help reducing prefabricated stair's replacement cost.

Optionally, a first limiting block is arranged on one side surface of the upper connecting block, which is far away from the supporting body, and the first limiting block is inserted into a first limiting groove of the external stair platform; a second limiting block is arranged on one side surface, far away from the supporting body, of the lower connecting body, and the second limiting block is inserted into a second limiting groove of the external stair platform.

Through adopting above-mentioned technical scheme, when last connecting block and lower connecting block are installed on corresponding floor platform, insert first stopper and establish in corresponding floor platform's first spacing groove, the second stopper also can insert simultaneously and establish in corresponding floor platform's second spacing groove, then will go up connector and lower connector and correspond the gap department fixed connection between the floor platform through the concrete, can prevent to drop the concrete after using a period and cause prefabricated staircase's aversion to help promoting prefabricated staircase's security performance.

Optionally, a side surface of the plurality of stair units abutted to the supporting body is provided with a magnet, and the magnet is used for adsorbing the supporting body

Through adopting above-mentioned technical scheme, when a plurality of stair units are installed on the supporter, magnet on the stair unit can adsorb with the supporter to can form the connection that has predetermined intensity between a plurality of stair units and the supporter, thereby prevent to make the stair unit appear shifting the phenomenon when supplying people to trample at prefabricated stair, and then help promoting the connection stability of stair unit.

Optionally, two sides of the stair unit adjacent to the support body are provided with lifting lugs, and the lifting lugs are used for being held by maintenance personnel.

Through adopting above-mentioned technical scheme, when the stair unit appears damaging, remove the connection between stair railing and the stair unit earlier, because of the stair unit can exist predetermined intensity with the connection of support body, so can provide a force application point for the stair unit to enable people more conveniently change the stair unit of damaging.

Optionally, the tread surface is provided with a locking groove; the locking device comprises a plurality of connecting rods, wherein a locking ring and locking bolts are arranged on the connecting rods, the locking ring is sleeved on the connecting rods, the locking ring is inserted into the locking grooves, the locking bolts are arranged on the locking ring, the rod parts of the locking bolts are in threaded connection with the locking ring and the bottom wall of the locking grooves, and the head parts of the locking bolts are abutted to the locking ring.

Through adopting above-mentioned technical scheme, compare on the connecting rod and directly set up connection structure and be connected with the locking groove, this kind of design mode, because of the setting of locking ring, so just can make locking ring and locking tank bottom wall on the connecting rod realize fastening connection through the locking bolt to both can realize fastening connection of go-between and stair unit, also can make prefabricated stair's structural style simpler.

Optionally, the tread surface is provided with a cleat.

Through adopting above-mentioned technical scheme, because of the setting of antislip strip, so avoid people to walk on prefabricated staircase as far as possible, the phenomenon that appears skidding to help promoting prefabricated staircase's security performance, and then help promoting prefabricated staircase's practicality.

In summary, the present application includes at least one of the following beneficial technical effects:

1. because the stair units are detachably connected with the stair body and the stair units are detachably connected with the stair handrails, when the prefabricated stair is needed to be used, the upper connector and the lower connector are firstly installed at the preset positions respectively, then the upper connector and the lower connector are respectively arranged in parallel with two floor platforms with different heights through concrete, a plurality of stair units are installed at the preset positions of the supporting body, and finally two groups of stair handrails are installed at the preset positions of the stair units to finish the installation of the prefabricated stair, and the stair body, the stair units and the stair handrails can be respectively stacked and placed in the transportation process, so that the transportation cost of the prefabricated stair can be reduced;

2. through the arrangement mode of the positioning blocks and the positioning grooves, when a plurality of stair units are installed on the supporting body, the stair units can be installed only by inserting the positioning blocks on the stair units into the preset positioning grooves on the supporting body, so that other installation structures are not required to be arranged to install the stair units, and the whole structure of the prefabricated stair is simpler;

3. through setting up mode locking groove, locking ring and locking bolt, compare and directly set up connection structure and locking groove on the connecting rod and be connected, this kind of design mode, because of the setting of locking ring, so can make locking ring and locking tank bottom wall on the connecting rod realize fastening connection through locking bolt to both can realize fastening connection of connecting ring and stair unit, also can make prefabricated stair's structural style simpler

Drawings

Fig. 1 is a schematic view of the structure of the prefabricated staircase in this embodiment.

Fig. 2 is an exploded view of the present embodiment for showing the mating relationship of the stairway unit and the support body.

Fig. 3 is a schematic view of the structure of the present embodiment for showing the detachable connection between the stairway unit and the connecting rod.

Reference numerals illustrate: 1. a stair body; 11. a support body; 111. a positioning groove; 12. an upper connector; 121. a first limiting block; 13. a lower connector; 131. a second limiting block; 2. a stairway unit; 21. tread surface; 211. an anti-slip strip; 22. a locking groove; 23. a positioning block; 24. a magnet; 25. lifting the lug; 3. stair railing; 31. a connecting rod; 311. a locking ring; 312. a locking bolt; 32. and supporting the rod.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a prefabricated staircase. Referring to fig. 1 and 2, a prefabricated staircase includes a staircase body 1, a staircase unit 2 and a staircase handrail 3, specifically, the staircase body 1 includes a supporting body 11, an upper connecting body 12 and a lower connecting body 13, the supporting body 11 is in a cuboid shape as a whole, the upper connecting body 12 is in a cuboid shape, one end of the upper connecting body 12 is integrally connected to one end of the supporting body 11 along the length direction of the apparatus, the other end is connected to a corresponding floor platform, the lower connecting body 13 is in a cuboid shape, one end of the lower connecting body 13 is integrally connected to the other end of the supporting body 11, the other end is connected to the corresponding floor platform, and when the staircase body 1 is installed, the upper connecting body 12 and the lower connecting body 13 form a predetermined angle with the supporting body 11; the stair units 2 are in a triangular prism shape, the stair units 2 are provided with a plurality of stair units 2, the plurality of stair units 2 are detachably connected in parallel along the length direction of the supporting body 11, one side surface of the stair units 2 for people to tread is provided with tread surfaces 21, and the tread surfaces 21 of the plurality of stair units 2 are arranged in parallel; the stair railing 3 is provided with two groups, and the two groups of stair railing 3 are respectively detachably connected to two of the plurality of stair units 2.

Referring to fig. 1 and 2, when the prefabricated staircase is to be installed, the supporting body 11, the upper connecting body 12 and the lower connecting body 13 are installed at predetermined positions, then the staircase body 1 is fixed at predetermined positions by concrete, then the plurality of staircase units 2 are respectively installed at predetermined positions of the supporting body 11, and finally the two sets of staircase handrails 3 are respectively installed on both sides of the plurality of staircase units 2, so as to complete the installation of the prefabricated staircase, and the staircase body 1, the staircase units 2 and the staircase handrails 3 can be respectively stacked and placed in the transportation process, thereby reducing the transportation cost of the prefabricated staircase.

Referring to fig. 1 and 2, a positioning groove 111 is provided on one side of the support body 11 near the stair unit 2, the positioning groove 111 is circular in cross section as seen from the direction of the notch, and the positioning groove 111 is provided in plurality, two positioning grooves 111 are in a group, two positioning grooves 111 in the group of positioning grooves 111 are arranged at intervals in parallel along the width direction of the support body 11, and each group of positioning grooves 111 is arranged at intervals in parallel along the length direction of the support body 11; the positioning blocks 23 are integrally arranged on one side surface of each stair unit 2 close to the supporting body 11, the positioning blocks 23 are cylindrical, two positioning blocks 23 are arranged, and the two positioning blocks 23 are arranged at intervals in parallel along the axial direction of the stair unit 2 so as to be matched with one group of positioning grooves 111, so that the detachable connection of the stair unit 2 and the stair body 1 is realized.

Referring to fig. 2 and 3, the tread surface 21 of each stair unit 2 is provided with locking grooves 22, the cross section of the locking grooves 22 is circular when seen from the direction of the notch, and the locking grooves 22 are provided with two locking grooves 22 which are arranged at intervals in parallel along the axial direction of the stair unit 2; the stair railing 3 includes connecting rod 31 and support pole 32, connecting rod 31 is the round bar form, and connecting rod 31 sets up a plurality of, every connecting rod 31 is close to the integrative locking ring 311 that sets up in one side of stair unit 2, the locking ring 311 cross-section is the ring, and locking ring 311 inserts and establish in locking groove 22, still be provided with locking bolt 312 on the locking ring 311, locking bolt 312 is provided with a plurality of, locking bolt 312's pole portion screw thread wears to establish on locking ring 311, and locking bolt 312's pole portion still can wear out locking ring 311 and locking groove 22's tank bottom threaded connection, locking bolt 312 throw the head and can keep away from a side butt of locking groove 22 tank bottom with locking ring 311, in order to realize connecting rod 31 and stair unit 2's detachable connection.

Referring to fig. 2 and 3, the supporting rod 32 is integrally formed in a circular rod shape, the supporting rod 32 is connected with a plurality of connecting rods 31 in the same group through a corner brace, the corner brace is integrally formed in an L shape, one end of the corner brace is connected with the connecting rod 31 through a bolt, and the other end of the corner brace is connected with the supporting rod 32 through a bolt, so that the supporting rod 32 is detachably connected with the connecting rod 31.

Referring to fig. 1 and 2, in order to further increase the safety performance of the prefabricated staircase, there is also corresponding one of the following settings, firstly, a first limiting block 121 is integrally provided on a side surface of the upper connecting body 12 far away from the supporting body 11, the first limiting block 121 is cylindrical, and the first limiting block 121 is provided with two first limiting grooves to be inserted in the outside, a second limiting block 131 is provided on a side surface of the lower connecting body 13 far away from the supporting body 11, the second limiting block 131 is cylindrical, and the second limiting block 131 is provided with two second limiting grooves to be inserted in the outside, thereby preventing the prefabricated staircase from being separated from concrete after a period of use, and causing the prefabricated staircase to shift.

Referring to fig. 2, two anti-slip strips 211 are provided on the tread surface 21, the anti-slip strips 211 are in a rectangular parallelepiped shape, and the two anti-slip strips 211 are provided, so that the phenomenon that people slide when walking on the prefabricated staircase can be avoided as much as possible, thereby being beneficial to improving the safety performance of the prefabricated staircase and further being beneficial to improving the practicability of the prefabricated staircase.

Referring to fig. 1 and 2, a magnet 24 is provided at a side surface of the stairway unit 2 near the supporting body 11, the magnet 24 is thin-walled, and the magnet 24 is used to attract the supporting body 11, so that a connection having a predetermined strength can be formed between a plurality of stairway units 2 and the supporting body 11, thereby helping to promote connection stability of the stairway units 2.

Referring to fig. 1 and 2, the magnet 24 is provided to make the connection between the stair unit 2 and the supporting body 11 have a predetermined strength, when the stair unit 2 needs to be replaced, in order to facilitate the lifting of the stair unit 2, lifting protrusions 25 are provided on both sides of the stair unit 2 adjacent to the supporting body 11, and the two lifting protrusions 25 are symmetrically arranged along the axis of the stair unit 2, so that when the stair unit 2 needs to be detached from the supporting body 11, the lifting protrusions 25 can be used as a force application point, thereby enabling the person to lift the stair unit 2 more conveniently.

The implementation principle of the prefabricated staircase provided by the embodiment of the application is as follows: when the prefabricated stairway is required to be installed, the stairway body 1 and the corresponding floor platform are fixedly connected through concrete, then the stairway units 2 are installed on the preset positions of the supporting body 11, then the two sets of stairway handrails 3 are respectively installed on two sides of the plurality of stairway units 2, so that the installation of the prefabricated stairway is completed, and in the transportation process, the stairway body 1, the stairway units 2 and the stairway handrails 3 can be respectively stacked, so that the transportation cost of the prefabricated stairway is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A prefabricated staircase, characterized in that: comprising the following steps:

the stair body (1) comprises a support body (11), an upper connecting body (12) and a lower connecting body (13), wherein one side of the upper connecting body (12) is connected with one side of the support body (11), and the other side of the upper connecting body is connected with a corresponding floor platform; one side of the lower connector (13) is connected with the other side of the support body (11), the other side of the lower connector is connected with a corresponding floor platform, and when the stair body (1) is installed, the upper connector (12) and the lower connector (13) form a preset angle with the support body (11);

the stair units (2) are in a triangular prism shape and are provided with a plurality of stair units (2), the stair units (2) are respectively and detachably connected to the supporting body (11), one side surface of each stair unit (2) for people to tread is a tread surface (21), and when the stair units (2) are installed on the supporting body (11), the tread surfaces (21) of the stair units (2) are arranged in parallel;

the stair railing (3) is provided with two groups, and the two groups of stair railing (3) are respectively detachably connected to two sides of the stair units (2).

2. A prefabricated staircase according to claim 1, characterized in that: a plurality of positioning grooves (111) are formed in the side face, close to the stair unit (2), of the supporting body (11); one side of the plurality of stair units (2) close to the supporting body (11) is provided with a positioning block (23), each positioning block (23) on the stair units (2) is at least provided with two, and the plurality of positioning blocks (23) are respectively inserted into the plurality of positioning grooves (111).

3. A prefabricated staircase according to claim 1, characterized in that: the stair railing (3) comprises a plurality of connecting rods (31) and supporting rods (32), the connecting rods (31) are arranged in parallel and at intervals, and the connecting rods (31) are detachably connected with the stair units (2) respectively; the supporting rod (32) is detachably connected with a plurality of connecting rods (31).

4. A prefabricated staircase according to claim 1, characterized in that: a first limiting block (121) is arranged on one side surface, far away from the supporting body (11), of the upper connecting body, and the first limiting block (121) is inserted into a first limiting groove of the external stair platform; the lower connector (13) is far away from one side face of the support body (11) and is provided with a second limiting block (131), the second limiting block (131) is inserted into a second limiting groove of an external stair platform, and when the stair body (1) is installed on a preset position, the upper connector (12) and the lower connector (13) are respectively leveled with two floor platforms.

5. A prefabricated staircase according to claim 2, characterized in that: a magnet (24) is arranged on one side surface of the plurality of stair units (2) which is abutted against the supporting body (11), and the magnet (24) is used for adsorbing the supporting body (11).

6. A prefabricated staircase according to claim 2, characterized in that: the stair unit (2) and the two adjacent side surfaces of the supporting body (11) are respectively provided with a lifting lug (25), and the lifting lugs (25) are used for being held by maintenance staff.

7. A prefabricated staircase according to claim 3, characterized in that: the tread surface (21) is provided with a locking groove (22); all be provided with locking ring (311) and locking bolt (312) on a plurality of connecting rod (31), locking ring (311) cover is established on connecting rod (31), locking ring (311) are inserted and are established in locking groove (22), locking bolt (312) set up on locking ring (311), the pole portion of locking bolt (312) with locking ring (311) and locking groove (22) diapire threaded connection, the head of locking bolt (312) can with locking ring (311) looks butt.

8. A prefabricated staircase according to claim 1, characterized in that: the tread surface (21) is provided with an anti-slip strip (211).

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