Spiral ladder stand convenient to install

Abstract

The utility model relates to the technical field of crawling ladders, and discloses a spiral crawling ladder convenient to install, the spiral crawling ladder comprises two installation columns, the bottom end of each installation column is fixedly connected with a threaded column, and each threaded column is in threaded connection with a handrail hole close to the threaded column. According to the spiral crawling ladder convenient to install, by designing a sliding insertion structure of the inner track, the outer track and the track base and the rapid installation design of the pedal assembly and the handrail assembly, the installation process of the whole crawling ladder is simpler, more convenient and faster, and a constructor does not need to carry out complex welding or bolt connection operation; the pedal in the pedal assembly is connected with the inner rail and the outer rail in a sliding and inserted mode through the mounting rod, the spring and the reset ring are arranged for fixing, and due to the design, the pedal is convenient to disassemble and assemble, the pedal can be effectively prevented from overturning or loosening in the using process, and the service life of the pedal is prolonged. And the use safety is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of crawling ladders, in particular to a spiral crawling ladder convenient to install. BACKGROUND

[0002] A spiral crawling ladder, also known as a spiral staircase or a helical staircase, is a unique and common form of stairs. It is characterized by its steps spiraling around a central column, connecting different floors or height levels.

[0003] However, traditional spiral crawling ladders are often fixed by welding or bolt connection, which not only requires professional installation teams and complex construction processes, but also increases installation time and cost. In addition, on-site welding may pose safety hazards such as fire risk and unstable welding quality. CONTENT OF THE UTILITY MODEL

[0004] To overcome the shortcomings of the prior art, the present application provides a spiral crawling ladder convenient to install, which has the advantages of easy installation and maintenance, and solves the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a spiral crawling ladder convenient to install, comprising a mounting base, the inside of the mounting base is in contact with a support rib, the top end of the support rib is fixedly connected with a track seat, the top end of the track seat is respectively provided with an inner track groove and an outer track groove, an inner track is slidably inserted into the inner track groove, and an outer track is slidably inserted into the outer track groove.

[0006] One side of the outer track and the inner track, which are close to each other, is provided with a group of spiral arranged stepping hole, the outer track and the inner track are provided with a stepping assembly;

[0007] The stepping assembly comprises a stepping plate, the left and right sides of the stepping plate are slidably inserted with mounting rods, the outer surfaces of the two mounting rods are fixedly connected with return rings, springs are fixedly connected between each return ring and the stepping plate, and the ends of the two mounting rods, which are away from each other, are respectively inserted into the stepping hole close to each other.

[0008] The upper surface of the outer track is provided with a group of spiral arranged railing holes, and the inner parts of two of the railing holes are provided with a railing assembly.

[0009] The railing assembly comprises two mounting columns, the bottom end of each mounting column is fixedly connected with a threaded column, each threaded column is threadedly connected with the railing hole close to it, the top end of each mounting column is sleeved with a sleeve ring, and the sleeve rings are fixedly connected with a K-shaped rail.

[0010] Through the above scheme, through the design of the sliding plug-in structure of the inner track and the outer track and the track seat, and the quick installation design of the pedal assembly and the railing assembly, the installation process of the whole ladder is more convenient and fast, and the construction personnel do not need to carry out complex welding or bolt connection operation, thereby greatly shortening the installation time and reducing the installation cost, the stepping plate in the pedal assembly is slidably plugged with the inner track and the outer track through the installation rod, and is fixed with a spring and a reset ring, this design not only facilitates the disassembly and assembly of the stepping plate, but also effectively prevents the stepping plate from turning over or loosening during use, improves the safety of use, and at the same time, the anti-skid setting on the surface of the stepping plate further enhances the anti-skid performance, ensures the safety of the user, since the spiral ladder of the application adopts the modular design, the connection between the components is simple and clear, therefore, during the later maintenance, the damaged parts can be easily disassembled and replaced, thereby reducing the maintenance difficulty and cost, in addition, through the setting of the positioning hole, the inner track and the outer track can be conveniently fixed and positioned, further simplifying the installation process.

[0011] Further, the arc-shaped surface of the installation base is provided away from the supporting rib.

[0012] Through the above scheme, through the above setting, the installation base can be more fitted with the external column, and the perpendicularity of the installation base can be conveniently maintained.

[0013] Further, the arc-shaped surface of the installation base is provided away from the supporting rib.

[0014] Through the above scheme, through the setting of the fixing hole, the installation base can be conveniently connected with the external column.

[0015] Further, a group of connecting holes penetrating through the supporting rib are provided on one side surface of the installation base.

[0016] Through the above scheme, through the setting of the connecting hole, the connection between the supporting rib and the installation base can be facilitated, and the convenience of the user can be improved.

[0017] Further, two groups of reinforcing ribs are fixedly connected between the supporting rib and the track seat.

[0018] Through the above scheme, through the setting of the reinforcing rib, the supporting effect on the track seat can be improved, and the mechanical strength of the whole can be improved.

[0019] Further, the ends of the two installation rods away from each other are provided with chamfered edges.

[0020] Through the above scheme, through the chamfered edge setting of the installation rod, the stepping plate can be effectively prevented from turning over, and the safety can be improved.

[0021] Further, the surface of the stepping plate is provided with an anti-skid setting.

[0022] Through the above scheme, through the above setting, the use safety can be further improved.

[0023] Further, the inner rail groove and the outer rail groove are each provided with a group of positioning holes penetrating the outer rail and the inner rail.

[0024] Through the above scheme, through the positioning hole, the user can fix the inner rail and the outer rail, and the positioning hole can be positioned, which is convenient for the installation of the pedal assembly.

[0025] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0026] The spiral ladder convenient to install, through the sliding plug-in structure of the inner rail and the outer rail and the rail seat, and the quick installation design of the pedal assembly and the railing assembly, the installation process of the whole ladder is more simple and convenient, the construction personnel do not need to carry out complex welding or bolt connection operation, thereby greatly shortening the installation time and reducing the installation cost, the stepping plate in the pedal assembly is slidably connected with the inner rail and the outer rail through the installation rod, and is fixed with a spring and a reset ring, this design not only facilitates the disassembly and assembly of the stepping plate, but also effectively prevents the stepping plate from turning over or loosening during use, improves the safety of use, at the same time, the anti-skid setting on the surface of the stepping plate further enhances the anti-skid performance, ensures the safety of the user, since the spiral ladder of the present application adopts modular design, the connection between each component is simple and clear, therefore, during the later maintenance, the damaged parts can be easily disassembled and replaced, thereby reducing the maintenance difficulty and cost, in addition, through the positioning hole, the inner rail and the outer rail can be fixed and positioned, which further simplifies the installation process. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a three-dimensional schematic diagram of the overall structure of the present application Figure 1 ;

[0028] Figure 2 is a three-dimensional schematic diagram of the overall structure of the present application Figure 2 ;

[0029] Figure 3 is a three-dimensional schematic diagram of the overall structure of the present application Figure 3 ;

[0030] Figure 4 is a rail seat structure diagram of the present application;

[0031] Figure 5 is a pedal assembly structure diagram of the present application;

[0032] Figure 6 is a railing assembly structure diagram of the present application.

[0033] In the drawings:

[0034] 1, mounting base; 2, support rib; 3, rail seat; 4, inner rail groove; 5, outer rail groove; 6, inner rail; 7, outer rail; 8, pedal hole; 9, pedal assembly; 901, pedal; 902, mounting rod; 903, reset ring; 904, spring; 10, railing hole; 11, railing assembly; 1101, mounting column; 1102, threaded column; 1103, collar; 1104, channel railing; 12, fixing hole; 13, connecting hole; 14, reinforcing rib; 15, positioning hole. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

[0036] Please refer to Figure 1 , Figure 2 and Figure 3 , a spiral ladder convenient to install in the embodiment includes a mounting base 1, the side of the mounting base 1 away from the support rib 2 is arc-shaped, through the above arrangement, the mounting base 1 can be more fitted with the external column, and at the same time, the perpendicularity of the mounting base 1 can be easily maintained, the arc-shaped surface of the mounting base 1 is provided with a group of fixing holes 12 penetrating through itself, through the arrangement of the fixing holes 12, the mounting base 1 can be connected with the external column.

[0037] Please refer to Figure 1 , Figure 2 and Figure 4 , the inside of the mounting base 1 is in contact with the support rib 2, the top end of the support rib 2 is fixedly connected with the rail seat 3, the top end of the rail seat 3 is respectively provided with the inner rail groove 4 and the outer rail groove 5, the inner rail groove 4 is slidably inserted with the inner rail 6 inside up and down, the outer rail groove 5 is slidably inserted with the outer rail 7 inside up and down, one side surface of the mounting base 1 is provided with a group of connecting holes 13 penetrating through the support rib 2, through the arrangement of the connecting holes 13, the connection between the support rib 2 and the mounting base 1 can be facilitated, the convenience of the user is improved, two groups of reinforcing ribs 14 are fixedly connected between the support rib 2 and the rail seat 3, through the arrangement of the reinforcing ribs 14, the supporting effect of the rail seat 3 can be improved, and the mechanical strength of the whole is improved.

[0038] Please refer to Figure 1 , Figure 2 and Figure 5The inner rail groove 4 and the outer rail groove 5 are both provided with a group of positioning holes 15 penetrating the outer rail 7 and the inner rail 6, through the positioning holes 15, the user can fix the inner rail 6 and the outer rail 7, and the inner rail 6 and the outer rail 7 can be positioned, which is convenient for the installation of the pedal assembly 9. The outer rail 7 and the inner rail 6 are both provided with a group of spiral arranged pedal holes 8 on the side close to each other. The pedal assembly 9 is arranged between the outer rail 7 and the inner rail 6.

[0039] Please refer to Figure 1 、 Figure 2 and Figure 5 , the pedal assembly 9 includes a pedal plate 901, the left and right sides of the pedal plate 901 are both slidably connected with a mounting rod 902, the outer surfaces of the two mounting rods 902 are both fixedly connected with a reset ring 903, each reset ring 903 is fixedly connected with a spring 904 between the pedal plate 901, and the ends of the two mounting rods 902 away from each other are respectively inserted into the pedal holes 8 close to each other. Through the above arrangement, the pedal plate 901 can be quickly disassembled and assembled, and the construction efficiency is improved. The ends of the two mounting rods 902 away from each other are both chamfered, which can effectively prevent the pedal plate 901 from overturning and improve the safety. The surface of the pedal plate 901 is provided with an anti-skid structure, which can further improve the safety.

[0040] Please refer to Figure 1 、 Figure 2 and Figure 6 , the upper surface of the outer rail 7 is provided with a group of spiral arranged railing holes 10, and the interiors of two of the railing holes 10 are provided with a railing assembly 11. The railing assembly 11 includes two mounting columns 1101, the bottom ends of the two mounting columns 1101 are both fixedly connected with a threaded column 1102, the threaded column 1102 is screwed with the railing hole 10 close to it, the top end of each mounting column 1101 is sleeved with a sleeve ring 1103, and the two sleeve rings 1103 are fixedly connected with a H-shaped railing 1104.

[0041] The spiral ladder convenient to install in the embodiment, through the sliding insertion structure of the inner track 6 and the outer track 7 and the track seat 3, and the quick installation design of the pedal assembly 9 and the railing assembly 11, the installation process of the whole ladder is more convenient and fast, the construction personnel do not need to carry out complex welding or bolt connection operation, thereby greatly shortening the installation time, reducing the installation cost, the stepping plate 901 in the pedal assembly 9 is slidably inserted with the inner track 6 and the outer track 7 through the installation rod 902, and is provided with the spring 904 and the reset ring 903 for fixing, this design not only facilitates the disassembly and assembly of the stepping plate 901, but also can effectively prevent the stepping plate 901 from turning over or loosening in the use process, improves the safety of use, at the same time, the anti-skid setting on the surface of the stepping plate 901 further enhances the anti-skid performance, ensures the safety of the user, since the spiral ladder of the application adopts the modular design, the connection between each component is simple and clear, therefore, in the later maintenance, the damaged parts can be easily disassembled and replaced, reduces the maintenance difficulty and cost, in addition, through the setting of the positioning hole 15, the inner track 6 and the outer track 7 can be conveniently fixed and positioned, further simplifying the installation process.

[0042] The working principle of the above embodiment is that: first, the mounting base 1 is tightly attached to the column to be installed through the arc-shaped surface, and the mounting base 1 is firmly connected with the external column by the fixing hole 12, the support rib 2 is fixed with the mounting base 1 through the connecting hole 13 to ensure the stability of the whole structure, the top end of the support rib 2 is fixedly connected with the track seat 3, the inner track groove 4 and the outer track groove 5 are respectively arranged on the track seat 3, the design of the two grooves enables the inner track 6 and the outer track 7 to slide and insert along the track of the groove, so as to realize the accurate installation of the track, the inner track groove 4 and the outer track groove 5 are both provided with a group of positioning holes 15 penetrating through the outer track 7 and the inner track 6, through the positioning holes 15, the inner track 6 and the outer track 7 can be further fixed and positioned, so as to ensure the stability and safety of the whole ladder structure, a group of spiral arranged step holes 8 are arranged on one side of the outer track 7 and the inner track 6, the left and right sides of the step plate 901 are provided with mounting rods 902, the mounting rods 902 can be slidably inserted into the step holes 8 and fixed through the reset ring 903 and the spring 904, this design enables the step plate 901 to be quickly and firmly installed on the track, at the same time, the reset ring 903 and the spring 904 can also effectively prevent the step plate 901 from turning over or loosening during use, a group of spiral arranged railing holes 10 are arranged on the upper surface of the outer track 7, the railing assembly 11 is composed of two mounting columns 1101, threaded columns 1102, sleeve rings 1103 and chuanzi rails 1104, the bottom end of the mounting column 1101 is threadedly connected with the railing hole 10 through the threaded column 1102, the top end is sleeved with the sleeve ring 1103, and the chuanzi rail 1104 is fixedly connected between the two sleeve rings 1103, this design not only facilitates the quick installation of the railing, but also ensures the stability and safety of the railing.

[0043] It should be noted that, in this document, the terms "first", "second", and the like, merely denote different entities or operations, without necessarily requiring or implying any actual relationship or order between such entities or operations. Moreover, the terms "comprises", "comprising", or any other variant thereof, are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but can also include other elements not expressly listed, or inherent to such process, method, article, or apparatus. Without more limitations, an element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0044] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary and that changes can be made in detail without departing from the principles and spirit of the application. The scope of the application is therefore defined by the appended claims and their equivalents.

Claims

1. A helical ladder for easy installation comprising a mounting base (1), characterised in that: The inside of the mounting base (1) is in contact with a supporting rib (2), the top end of the supporting rib (2) is fixedly connected with a track seat (3), the top end of the track seat (3) is respectively provided with an inner rail groove (4) and an outer rail groove (5), the inner rail groove (4) is slidably inserted with an inner rail (6) from top to bottom, and the outer rail groove (5) is slidably inserted with an outer rail (7) from top to bottom. One side of the outer rail (7) and the inner rail (6) is provided with a group of tread holes (8) arranged in a spiral, and the outer rail (7) and the inner rail (6) are provided with a tread assembly (9). The tread assembly (9) comprises a tread plate (901), the left and right sides of the tread plate (901) are slidably inserted with mounting rods (902), the outer surfaces of the two mounting rods (902) are fixedly connected with reset rings (903), each reset ring (903) and the tread plate (901) are fixedly connected with springs (904), and the ends of the two mounting rods (902) away from each other are respectively inserted into the tread holes (8) close to each other. The upper surface of the outer rail (7) is provided with a group of rail holes (10) arranged in a spiral, and the inner surfaces of two rail holes (10) are provided with a rail assembly (11). The rail assembly (11) comprises two mounting columns (1101), the bottom end of each mounting column (1101) is fixedly connected with a threaded column (1102), each threaded column (1102) is threadedly connected with the rail hole (10) close to it, and the top end of each mounting column (1101) is sleeved with a sleeve ring (1103). Two sleeve rings (1103) are fixedly connected with a channel rail (1104).

2. A spiral stairway for easy installation according to claim 1, characterized in that: The side of the mounting base (1) away from the supporting rib (2) is arc-shaped.

3. A spiral stairway for easy installation according to claim 1, characterized in that: The arc-shaped surface of the mounting base (1) is provided with a group of fixed holes (12) penetrating through itself.

4. A spiral stairway for easy installation according to claim 1, characterized in that: One side of the mounting base (1) is provided with a group of connecting holes (13) penetrating through the supporting rib (2).

5. A spiral stairway for easy installation according to claim 1, characterized in that: The supporting rib (2) and the track seat (3) are fixedly connected with two groups of reinforcing ribs (14).

6. A spiral stairway for easy installation according to claim 1, characterized in that: The ends of the two mounting rods (902) away from each other are provided with chamfered edges.

7. A spiral stairway for easy installation according to claim 1, characterized in that: The surface of the tread plate (901) is provided with an anti-skid structure.

8. A spiral stairway for easy installation according to claim 1, characterized in that: The inner rail groove (4) and the outer rail groove (5) are provided with a group of positioning holes (15) penetrating through the outer rail (7) and the inner rail (6).

Images