Split mounting type prefabricated stair

Abstract

The utility model discloses an assembly type prefabricated stair, and relates to the technical field of assembly type buildings. The quick mounting structure comprises a step support frame, wherein a quick mounting mechanism and a plurality of limiting mechanisms are arranged on the step support frame; the rapid installation mechanism comprises a fixing assembly and a plurality of rapid installation assemblies, the fixing assembly comprises a plurality of steps slidably installed on a step supporting frame, and fixing plates are fixedly installed on the left side of the step supporting frame and the right sides of the corresponding steps correspondingly. And two L-shaped supporting plates are fixedly mounted at the tops of the two fixing plates correspondingly. By arranging the quick mounting mechanism, the problems that more time is consumed in the mounting process, more manual adjustment and connection steps are needed, and more manpower is needed to participate in the mounting process, so that the labor cost is increased, the later maintenance and repair difficulty is higher, and more time and cost are needed for maintenance work are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of assembled buildings, in particular to an assembled prefabricated staircase. Background Art

[0002] In the related art, a prefabricated assembled staircase with publication number CN218091699U is disclosed, comprising a first prefabricated staircase body, a second prefabricated staircase body being attached to the right side of the first prefabricated staircase body, a slide groove being provided at the attachment point of the first prefabricated staircase body and the second prefabricated staircase body, a slider being clamped inside the slide groove, and limiting grooves being provided at the front and back upper parts of the interiors of the first prefabricated staircase body and the second prefabricated staircase body.

[0003] During use of the device, the installation process will be more time-consuming, requiring more manual adjustments and connection steps, and more manpower will be required to participate in the installation process, thereby increasing labor costs, making future maintenance and repairs more difficult, and requiring more time and cost to perform maintenance work. Utility Model Content

[0004] The purpose of the utility model is to provide an assembled prefabricated staircase, which solves the problem that the installation process will be more time-consuming, more manual adjustments and connection steps will be required, and more manpower will be required to participate in the installation process, thereby increasing labor costs, making future maintenance and repairs more difficult, and requiring more time and cost to carry out maintenance work.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is an assembled prefabricated staircase, comprising a step support frame, on which a quick installation mechanism and a plurality of limiting mechanisms are arranged;

[0007] The quick installation mechanism includes a fixing component and several quick installation components, the fixing component includes several steps slidably installed on the step support frame, the left side of the step support frame and the right side of the corresponding step are respectively fixedly installed with fixing plates, the tops of the two fixing plates are respectively fixedly installed with two L-shaped supporting plates, the tops of the two fixing plates are respectively slidably installed with ground nails, and several of the ground nails respectively penetrate the two fixing plates.

[0008] Furthermore, the quick installation assembly includes a sleeve fixedly installed on the top of the L-shaped support plate, a sliding output rod on the L-shaped support plate, the top end of the output rod extends into the sleeve and is slidably connected to the sleeve, the bottom end of the output rod contacts the ground nail, a piston is slidably installed on the inner wall of the sleeve, the bottom end of the piston is fixedly connected to the output rod, and a connecting rod is fixedly installed on the top of the piston, and the top end of the connecting rod extends outside the sleeve.

[0009] Furthermore, a spring is wound around the connecting rod, the top end of the spring is fixedly connected to the sleeve, the end of the spring is fixedly connected to the piston, a pull rod is fixedly installed on the top end of the connecting rod, and two elastic protection pads are fixedly installed on the bottom of the pull rod.

[0010] Furthermore, the limiting mechanism includes a limiting block arranged on the front side of a step of the step support frame, a sliding rod is fixedly installed on the back side of the limiting block, the sliding rod extends into the step and is slidably connected to the step, a sliding groove is opened in the limiting block, a threaded rod is rotatably installed in the sliding groove, and the end of the threaded rod extends into the step support frame and is threadedly connected to the step support frame.

[0011] Furthermore, the step support frame and the bottom of the step are respectively provided with thread grooves, and bolts are threadedly installed in the two thread grooves.

[0012] Furthermore, handrails are fixedly installed on the tops of the corresponding two steps, and support frames are fixedly installed on the tops of the corresponding several steps. The left and right ends of the support frames are respectively fixedly connected to the outer walls of the two handrails, and several anti-slip grooves are respectively opened on the tops of the several steps.

[0013] The utility model has the following beneficial effects:

[0014] 1. By setting up a quick installation mechanism, when the device is assembled and installed, the pull rod on the sleeve can be pulled, and the pull rod drives the piston and the output rod to move upward, and then the pull rod is released. At this time, the output rod fixes the ground nails on the ground under the action of the elastic potential energy of the spring, thereby fixing the device, making the assembly and installation process of the stairs faster and more efficient, thereby shortening the construction period and saving manpower and material costs. The installers can more easily dock and fix the stairs, reducing tedious adjustment and installation steps, reducing the difficulty of installation, and ensuring that the stairs are accurately and firmly positioned during the installation process, avoiding quality problems and safety hazards caused by improper installation;

[0015] 2. By setting a limit mechanism, when the steps are slidably installed on the support frame, the limit blocks can be placed on the step support frame and the corresponding steps, the sliding rod is inserted into the step, the threaded rod on the slide groove is turned, and the threaded rod is screwed into the step support frame, and then the limit blocks are fixed to the step support frame and the steps, thereby fixing the steps to the step support frame, so that the stability and safety of the stair structure can be ensured. Firm fixation can effectively prevent the steps from shaking or loosening during use, reduce the risk of accidents, reduce the wear and deformation of the stair structure, effectively extend the service life of the stairs, and improve its durability and stability.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a structural schematic diagram of an assembled prefabricated staircase of the utility model;

[0019] Figure 2 It is a partial structural schematic diagram of an assembled prefabricated staircase of the utility model;

[0020] Figure 3 The utility model is a kind of assembled prefabricated staircase Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0021] Figure 4 The utility model is a kind of assembled prefabricated staircase Figure 2 A schematic diagram of the enlarged structure of B;

[0022] Figure 5 The utility model is a kind of assembled prefabricated staircase Figure 2 Schematic diagram of the enlarged structure of C in the figure.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Step support frame; 2. Step; 3. Fixed plate; 4. L-shaped support plate; 5. Ground nail; 6. Sleeve; 7. Output rod; 8. Piston; 9. Connecting rod; 10. Spring; 11. Pull rod; 12. Elastic protection pad; 13. Limit block; 14. Slide rod; 15. Slide groove; 16. Threaded rod; 17. Threaded groove; 18. Bolt; 19. Handrail; 20. Support frame; 21. Anti-slip groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 As shown, the utility model is an assembled prefabricated staircase, comprising a step support frame 1, on which a quick installation mechanism and a plurality of limiting mechanisms are arranged;

[0027] The quick installation mechanism includes a fixing component and several quick installation components. The fixing component includes several steps 2 slidably installed on the step support frame 1. The left side of the step support frame 1 and the right side of the corresponding step 2 are respectively fixedly installed with fixing plates 3. The tops of the two fixing plates 3 are respectively fixedly installed with two L-shaped support plates 4. The tops of the two fixing plates 3 are respectively slidably installed with ground nails 5, and several ground nails 5 respectively penetrate the two fixing plates 3.

[0028] Among them Figure 3 As shown, the quick installation assembly includes a sleeve 6 fixedly installed on the top of the L-shaped support plate 4, a sliding output rod 7 on the L-shaped support plate 4, the top end of the output rod 7 extends into the sleeve 6 and is slidably connected with the sleeve 6, the bottom end of the output rod 7 contacts with the ground nail 5, a piston 8 is slidably installed on the inner wall of the sleeve 6, the bottom end of the piston 8 is fixedly connected to the output rod 7, and a connecting rod 9 is fixedly installed on the top of the piston 8, and the top end of the connecting rod 9 extends to the outside of the sleeve 6.

[0029] By setting up quick installation components, the assembly and installation process of the stairs can be made faster and more efficient, thereby shortening the construction period and saving manpower and material costs. Installers can dock and fix the stairs more easily, reducing tedious adjustment and installation steps and reducing the difficulty of installation.

[0030] Among them Figure 3 As shown, a spring 10 is wound around the connecting rod 9, the top end of the spring 10 is fixedly connected to the sleeve 6, the end of the spring 10 is fixedly connected to the piston 8, a pull rod 11 is fixedly installed on the top end of the connecting rod 9, and two elastic protection pads 12 are fixedly installed on the bottom of the pull rod 11.

[0031] By setting the spring 10, the pull rod 11 on the sleeve 6 is pulled, and the pull rod 11 drives the piston 8 and the output rod 7 to move upward, and then the pull rod 11 is released. At this time, the output rod 7 fixes the ground nail 5 to the ground under the action of the elastic potential energy of the spring 10, ensuring that the stairs are accurately positioned and stable during the installation process, avoiding quality problems and safety hazards caused by improper installation.

[0032] Among them Figure 4 As shown, the limiting mechanism includes a limiting block 13 arranged on the front side of a step 2 of a step support frame 1, a sliding rod 14 is fixedly installed on the back side of the limiting block 13, the sliding rod 14 extends into the step 2 and is slidably connected to the step 2, a sliding groove 15 is opened in the limiting block 13, a threaded rod 16 is rotatably installed in the sliding groove 15, and the end of the threaded rod 16 extends into the step support frame 1 and is threadedly connected to the step support frame 1.

[0033] By setting a limiting mechanism, the stability and safety of the stair structure can be ensured. Firm fixation can effectively prevent the steps from shaking or loosening during use, reduce the risk of accidents, reduce the wear and deformation of the stair structure, effectively extend the service life of the stairs, and improve its durability and stability.

[0034] Among them Figure 5 As shown, the bottom of the step support frame 1 and the step 2 are respectively provided with thread grooves 17 , and bolts 18 are installed in the inner threads of the two thread grooves 17 .

[0035] By providing the thread groove 17 and the bolt 18, it is possible to ensure that the connections between the various components of the staircase are firmly connected, improve the stability and bearing capacity of the overall structure, and prevent the staircase from shaking or loosening during use.

[0036] Among them Figure 1 As shown, handrails 19 are fixedly installed on the tops of the corresponding two steps 2, and support frames 20 are fixedly installed on the tops of the corresponding several steps 2. The left and right ends of the support frames 20 are respectively fixedly connected to the outer walls of the two handrails 19, and several anti-slip grooves 21 are respectively opened on the tops of the several steps 2.

[0037] By providing the anti-skid groove 21, the friction force of the stairs when in use can be increased, preventing walkers from slipping on the stairs, improving the safety of the stairs, reducing the wear on the surface of the stair steps, extending the service life of the stairs, and also facilitating maintenance and cleaning.

[0038] A specific application of this embodiment is: when in use, first fix the step support frame 1, then slide and install several steps 2 on the step support frame 1, place the limit block 13 on the step support frame 1 and the corresponding step 2, insert the sliding rod 14 into the step 2, screw the threaded rod 16 on the sliding groove 15, screw the threaded rod 16 into the step support frame 1, and then fix the limit block 13 on the step support frame 1 and the step 2, so that the step 2 is fixed on the step support frame 1, at this time, install the support frame 20 on the step 2, install two handrails 19 on the step 2, and then connect the two handrails 19 to the support frame 20, transport the entire device to the required position during installation, and then insert the ground nail 5 on the fixing plate 3, pull the pull rod 11 on the sleeve 6, the pull rod 11 drives the piston 8 and the output rod 7 to move upward, and then release the pull rod 11, at this time, the output rod 7 fixes the ground nail 5 on the ground under the action of the elastic potential energy of the spring 10, thereby fixing the device.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An assembled prefabricated staircase, comprising a step support frame (1), characterized in that: The step support frame (1) is provided with a quick installation mechanism and a plurality of limiting mechanisms; The quick installation mechanism comprises a fixing component and a plurality of quick installation components, wherein the fixing component comprises a plurality of steps (2) slidably mounted on a step support frame (1), a fixing plate (3) is fixedly mounted on the left side of the step support frame (1) and the right side of the corresponding step (2), two L-shaped supporting plates (4) are fixedly mounted on the tops of the two fixing plates (3), and ground nails (5) are slidably mounted on the tops of the two fixing plates (3), and the plurality of ground nails (5) respectively penetrate the two fixing plates (3).

2. The assembled prefabricated staircase according to claim 1, characterized in that: The quick installation assembly comprises a sleeve (6) fixedly mounted on the top of the L-shaped support plate (4), a sliding output rod (7) on the L-shaped support plate (4), the top end of the output rod (7) extending into the sleeve (6) and being slidably connected to the sleeve (6), the bottom end of the output rod (7) contacting the ground nail (5), a piston (8) slidably mounted on the inner wall of the sleeve (6), the bottom end of the piston (8) being fixedly connected to the output rod (7), a connecting rod (9) fixedly mounted on the top end of the piston (8), and the top end of the connecting rod (9) extending outside the sleeve (6).

3. The assembled prefabricated staircase according to claim 2, characterized in that: A spring (10) is wound around the connecting rod (9), the top end of the spring (10) is fixedly connected to the sleeve (6), the end of the spring (10) is fixedly connected to the piston (8), a pull rod (11) is fixedly installed on the top end of the connecting rod (9), and two elastic protection pads (12) are fixedly installed on the bottom of the pull rod (11).

4. The assembled prefabricated staircase according to claim 1, characterized in that: The limiting mechanism comprises a limiting block (13) arranged on the front side of the step support frame (1); a sliding rod (14) is fixedly installed on the back side of the limiting block (13); the sliding rod (14) extends into the step (2) and is slidably connected to the step (2); a sliding groove (15) is provided in the limiting block (13); a threaded rod (16) is rotatably installed in the sliding groove (15); the end of the threaded rod (16) extends into the step support frame (1) and is threadedly connected to the step support frame (1).

5. The assembled prefabricated staircase according to claim 1, characterized in that: The bottoms of the step support frame (1) and the step (2) are respectively provided with thread grooves (17), and bolts (18) are installed in the inner threads of the two thread grooves (17).

6. The assembled prefabricated staircase according to claim 1, characterized in that: A handrail (19) is fixedly installed on the top of the corresponding two steps (2), and a support frame (20) is fixedly installed on the top of the corresponding plurality of steps (2). The left end and the right end of the support frame (20) are respectively fixedly connected to the outer walls of the two handrails (19), and a plurality of anti-slip grooves (21) are respectively opened on the top of the plurality of steps (2).

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