Stair assembly
By setting the engagement between the first installation part and the second installation part in the stairs and the coordination between the moving members and the chute slots, the problem of the existing detachable stair connectors requiring regular inspection and maintenance is solved, and the rapid installation and stable locking of the stairs and support members are achieved, which improves work efficiency and aesthetics.
Patent Information
- Application Number
- CN202420921726.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The connectors of existing detachable stairs require regular inspection and maintenance, and there are problems of uneven or loose stress, and the exposed connectors affect the aesthetics.
By installing the first mounting part of the staircase and the second mounting part of the support member, and the coordination between the moving member and the chute, the bidirectional positioning of the staircase is realized, the movement of the staircase is restricted, and the rapidity and stability of the installation are improved through the roller and bearing structure.
It realizes rapid installation and stable locking of stairs and support members, avoids secondary installation on site, improves work efficiency, and improves overall aesthetics and safety.
Smart Images

Figure CN222667391U_ABST
Abstract
Description
Technical Field
[0001] The utility model generally relates to the technical field of stair installation, and more specifically to a stair assembly. Background Art
[0002] The quick-detachable staircase is a staircase structure designed for quick installation and disassembly. It is widely used in various temporary or variable demand occasions, such as construction sites, stage construction, container climbing, etc. The main feature of this type of staircase is that it is light and flexible, making the installation and disassembly process simple and quick, greatly improving the use efficiency, and has high practical value and market competitiveness.
[0003] At present, detachable stairs are usually made of aluminum alloy, engineering plastics or other lightweight materials to reduce the overall weight of the stairs, and use quick-release pins, spring clips, bolt connections, etc. to achieve the purpose of rapid assembly and disassembly of the stairs. Although these methods can shorten the installation and disassembly time, they also require secondary assembly on site, which has certain risks, and these fastening structures have the following defects:
[0004] 1) These connections require regular inspection and maintenance to ensure that their fastening force does not weaken over time;
[0005] 2) The fixing of these connectors may be unevenly stressed or loose, posing a safety hazard;
[0006] 3) These connectors are usually exposed on the visible surface, affecting the overall aesthetics.
[0007] Therefore, it is necessary to provide a staircase assembly to at least partially solve the above problems. Utility Model Content
[0008] A series of simplified concepts are introduced in the utility model content section, which will be further described in detail in the detailed implementation section. The utility model content section of the utility model does not mean to attempt to define the key features and essential technical features of the technical solution claimed for protection, nor does it mean to attempt to determine the scope of protection of the technical solution claimed for protection.
[0009] In order to at least partially solve the above problems, the utility model provides a staircase assembly, the staircase assembly comprising a staircase and a supporting member, the staircase being detachably connected to the supporting member.
[0010] The staircase includes a staircase body, a moving member arranged at the bottom of the staircase body, and a first mounting portion;
[0011] The supporting member comprises a base frame and a vertical frame, wherein the base frame has a slot adapted to the moving member, and the vertical frame has a second mounting portion adapted to the first mounting portion;
[0012] When the staircase is connected to the supporting member, the first mounting portion and the second mounting portion are engaged with each other, and the moving member is engaged with the slot to prevent the staircase body from moving in a horizontal direction relative to the supporting member.
[0013] Optionally, the first mounting portion protrudes outward from the staircase body along a first horizontal direction, and the first mounting portion is located above the moving member and spaced apart from the moving member along the first direction.
[0014] Optionally, the first mounting portion has a first contact surface, which is inclined relative to the vertical direction and the first direction; the second mounting portion is located inside the supporting member, and the second mounting portion has a second contact surface, which is inclined relative to the vertical direction and the first direction; when the first mounting portion is connected to the second mounting portion, the first contact surface abuts against the second contact surface.
[0015] Optionally, the staircase body comprises:
[0016] A straight section, the straight section extending along a first horizontal direction, the first mounting portion being located in the straight section;
[0017] An inclined section is connected to the straight section and inclined downward relative to the straight section, the inclined section is inclined relative to the first direction and the vertical direction, and the moving member is located at the bottom of the inclined section.
[0018] Optionally, the staircase further comprises a guide member connected to the straight section and protruding outwardly from the straight section along a second horizontal direction, the second direction being perpendicular to the first direction, and the guide member is movably connected to the supporting member.
[0019] Optionally, the supporting member comprises a guide portion extending along the first direction, and the guide member is movably connected to the guide portion.
[0020] Optionally, the staircase further comprises a fixed shaft, which extends along the second direction and is connected to the staircase body, the fixed shaft protrudes outward from the staircase body along the second direction, and the movable member and the guide member are both constructed as rollers, which are connected to the fixed shaft.
[0021] Optionally, the roller comprises:
[0022] A bearing, wherein the bearing is sleeved on the outer periphery of the fixed shaft, the fixed shaft has abutment, and the abutment is abutted against the inner ring of the bearing along the axial direction of the bearing; and
[0023] A coating layer, wherein the coating layer is sleeved on the outer periphery of the bearing;
[0024] The staircase further includes a positioning member connected to the fixed shaft and abutting against the inner ring of the bearing along the axial direction of the bearing; the abutting portion is spaced apart from the positioning member along the second direction, and the abutting portion is closer to the staircase body than the positioning member.
[0025] Optionally, the staircase further comprises a column, which extends in a vertical direction and is connected to the bottom of the straight section, and a movable member is provided at one end of the column away from the straight section, and the movable member protrudes downward from the column and abuts against the supporting member, and the movable member is used to support the staircase body to walk along the supporting member; along the first direction, the number of the slots is at least two, and when the first mounting portion is connected to the second mounting portion, the movable member is snapped into the slot.
[0026] Optionally, the inclined section has a plurality of pedals, the plurality of pedals are arranged in sequence along the first direction and the top surfaces of the plurality of pedals are equidistantly spaced along the vertical direction.
[0027] Optionally, the staircase further comprises a guardrail connected to the staircase body and protruding upward from the staircase body.
[0028] According to the staircase assembly of the utility model, by setting the first installation part and the second installation part to engage, and the moving member and the slot to cooperate, the two-way positioning of the staircase is achieved to limit the movement of the staircase and realize the rapid installation of the staircase and the supporting member. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] The following drawings of the embodiments of the present invention are used as part of the present invention for understanding the present invention. The drawings show the embodiments of the present invention and their descriptions, and are used to explain the principles of the present invention. In the drawings,
[0030] Figure 1 It is a front view schematic diagram of a staircase assembly according to a preferred embodiment of the utility model, wherein the staircase has not yet been connected to the supporting member;
[0031] Figure 2 It is a front view schematic diagram of a staircase assembly according to a preferred embodiment of the utility model, wherein the staircase is connected to a supporting member;
[0032] Figure 3 for Figure 2 A side view schematic diagram of
[0033] Figure 4 for Figure 3 A top view schematic diagram of
[0034] Figure 5 It is a schematic diagram of the structure of the cooperation between the moving component and the supporting component;
[0035] Figure 6 It is a structural schematic diagram of the first mounting portion and the second mounting portion being matched and connected;
[0036] Figure 7 It is a structural schematic diagram of the cooperation between the guide member and the guide part;
[0037] Figure 8 It is a schematic diagram of the structure of the installation connection between the moving component and the staircase body;
[0038] Fig. 9 is a front view schematic diagram of a staircase assembly according to another preferred embodiment of the utility model, wherein the staircase has not yet been connected to the supporting member; and
[0039] Fig.10 It is a front schematic diagram of a staircase assembly according to another preferred embodiment of the utility model, wherein the staircase is connected to a supporting member.
[0040] Description of reference numerals:
[0041] 1 / 2 Stairs Components 10 Stairs
[0042] 11 Main body of staircase 11a Straight section
[0043] 11b Sloping section 12 Guardrail
[0044] 13 First mounting portion 13a First contact surface
[0045] 14 Guide member 15 Pedal
[0046] 17 Fixed shaft 16 Positioning member
[0047] 18 Column 20 Supporting member
[0048] 20a Card slot 21 Base frame
[0049] 22 Stand 23 Second mounting part
[0050] 23a Second contact surface 24 Guide portion
[0051] 30 mobile components 121 columns
[0052] 122 Handrail 123 Frame
[0053] 141 bearing 142 coating
[0054] D1 First direction D2 Second direction
[0055] DH vertical direction DETAILED DESCRIPTION
[0056] In the following description, a large number of specific details are given to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features known in the art are not described.
[0057] In order to fully understand the implementation of the present invention, a detailed structure will be presented in the following description. Obviously, the implementation of the implementation of the present invention is not limited to the specific details familiar to those skilled in the art.
[0058] It should be understood that the purpose of the terms used herein is only to describe specific embodiments and is not intended to limit the present invention, and the singular forms "a", "an" and "said / the" are also intended to include plural forms, unless the context clearly indicates otherwise. When the terms "comprise" and / or "include" are used in this specification, it indicates the presence of the features, integral bodies, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integral bodies, steps, operations, elements, components and / or combinations thereof.
[0059] Ordinal numbers such as "first" and "second" cited in the present invention are merely identifiers and do not have any other meaning, such as a specific order. Moreover, for example, the term "first component" itself does not imply the existence of a "second component", and the term "second component" itself does not imply the existence of a "first component". It should be noted that the terms "upper", "lower", "front", "back", "left", "right", "inner", "outer" and similar expressions used in the present invention are for illustrative purposes only and are not limiting.
[0060] Hereinafter, specific embodiments of the present invention will be described in more detail with reference to the accompanying drawings. These drawings show representative embodiments of the present invention and are not intended to limit the present invention.
[0061] The utility model provides a staircase assembly 1. Please refer to Figure 1 and Figure 2 , the staircase assembly 1 may include a staircase 10 and a supporting member 20 , and the staircase 10 may be detachably connected to the supporting member 20 . Figure 1 and Figure 2The process of connecting the staircase 10 and the supporting member 20 from being unconnected is shown. Specifically, the staircase 10 includes a staircase body 11, a moving member 30 and a first mounting portion 13. The moving member 30 is arranged at the bottom of the staircase body 11. The supporting member 20 includes a base frame 21 and a vertical frame 22, the base frame 21 has a slot 20a adapted to the moving member 30, and the vertical frame 22 has a second mounting portion 23 adapted to the first mounting portion 13. Further, in the state where the staircase 10 is connected to the supporting member 20, the first mounting portion 13 and the second mounting portion 23 are engaged with each other, and the moving member 30 is engaged with the slot 20a to prevent the staircase body 11 from moving in the horizontal direction relative to the supporting member 20.
[0062] According to the staircase assembly 1 of the utility model, by setting the first mounting portion 13 and the second mounting portion 23 to engage, and the movable member 30 and the slot 20a to cooperate, the two-way positioning of the staircase 10 is achieved to limit the movement of the staircase 10 and achieve rapid installation of the staircase 10 and the supporting member 20.
[0063] Please continue reading Figure 1 and Figure 2 , the first mounting portion 13 protrudes outward from the staircase body 11 along the horizontal first direction D1, the first mounting portion 13 is located above the moving member 30 and is spaced from the moving member 30 along the first direction D1, and the second mounting portion 23 is located inside the supporting member 20. In an embodiment not shown, the first mounting portion 13 may be located inside the staircase body 11, the second mounting portion 23 protrudes outward from the supporting member 20 along the first direction D1 and is located on a side of the supporting member 20 close to the staircase body 11. Alternatively, the first mounting portion 13 protrudes outward from the staircase body 11 along the horizontal first direction D1, the second mounting portion 23 protrudes outward from the supporting member 20 along the first direction D1 and is located on a side of the supporting member 20 close to the staircase body 11.
[0064] Further, the first mounting portion 13 has a first contact surface 13a, and the first contact surface 13a is inclined relative to the vertical direction DH and the first direction D1. The second mounting portion 23 has a second contact surface 23a, and the second contact surface 23a is inclined relative to the vertical direction DH and the first direction D1. In the state where the first mounting portion 13 is connected to the second mounting portion 23, the first contact surface 13a abuts against the second contact surface 23a. In this way, when the staircase 10 is subjected to external force, the first contact surface 13a and the second contact surface 23a can generate a greater friction force, thereby achieving the locking of the staircase 10 and the supporting member 20. Compared with commonly used thread locking, snap locking and other structures, it is more reliable and durable, can withstand the influence of long-term use and harsh environment, and the structure is easier to operate, convenient for personnel to install, disassemble and maintain, and the use of this locking structure ensures the stability and safety of the staircase 10 after installation.
[0065] In order to facilitate the climbing of the stairs 10, the staircase body 11 includes a straight section 11a and an inclined section 11b. Specifically, the straight section 11a extends along the horizontal first direction D1, and the first mounting portion is located in the straight section 11a. The inclined section 11b is connected to the straight section 11a and is inclined downward relative to the straight section 11a. The inclined section 11b is inclined relative to the first direction D1 and the vertical direction DH, and the moving member 30 is located at the bottom of the inclined section 11b. It can be understood that the inclined section 11b has a plurality of pedals 15, and the plurality of pedals 15 are arranged in sequence along the first direction D1 and the top surfaces of the plurality of pedals 15 are equidistantly spaced along the vertical direction DH. In order to improve the safety of people climbing the stairs 10, the stairs 10 also has a guardrail 12 adapted to the staircase body 11, and the guardrail 12 is connected to the staircase body 11 and protrudes upward from the staircase body 11. Specifically, the number of the guardrails 12 is usually two, and the two guardrails 12 are spaced along the horizontal second direction D2, and the second direction D2 is perpendicular to the first direction D1. The guardrail 12 includes a column 121 and a handrail 122, the column 121 extends in the vertical direction DH, and the handrail 122 is connected to the top of the column 121. It can be understood that in order to adapt to the staircase body 11, the handrail 122 has two sections, one inclined and one straight. In order to improve the structural strength of the guardrail 12, the guardrail 12 also includes a frame 123, the frame 123 is connected to the column 121 and the handrail 122, and the frame 123 is adapted to the handrail 122. It is easy to imagine that the material of the guardrail 12 matches the staircase body 11, improving the overall aesthetics of the staircase 10.
[0066] See also Figures 2 to 4 In order to improve the docking accuracy of the staircase 10 and the supporting member 20, the staircase 10 may include a guide member 14, and accordingly, the supporting member 20 includes a guide portion 24 that cooperates with the guide member 14. Specifically, the guide member 14 is connected to the straight section 11a and protrudes outward from the straight section 11a along the second direction D2, and the guide member 14 is movably connected to the supporting member 20. The guide portion 24 extends along the first direction D1, and the guide member 14 is movably connected to the guide portion 24. Figures 2 to 4 In the embodiment, the guide portion 24 is configured as a guide rail, and accordingly, the moving member 30 and the guide member 14 are both configured as rollers. The staircase 10 further includes a fixed shaft 17, which extends along the second direction D2 and is connected to the staircase body 11, and the fixed shaft 17 protrudes outward from the staircase body 11 along the second direction D2, and the roller is connected to the fixed shaft 17.
[0067] Figure 5 and Figure 6 The process of connecting the staircase 10 and the supporting member 20 is shown. Figure 5 In (a), the rollers at the bottom of the staircase body 11 roll along the upper surface of the base frame 21. Figure 5 In (b), the roller is engaged with the slot 20a. Figure 6In the embodiment, the first mounting portion 13 and the second mounting portion 23 are engaged with each other, thereby achieving the limiting of the staircase 10 and the supporting member 20.
[0068] See also Figure 7 and Figure 8 Specifically, the roller includes a bearing 141 and a coating 142. The bearing 141 is sleeved on the outer periphery of the fixed shaft 17, and the fixed shaft 17 has a supporting portion 17a, and the supporting portion 17a is abutted against the inner ring of the bearing 141 along the axial direction of the bearing 141. The coating 142 is sleeved on the outer periphery of the bearing 141. In order to prevent the bearing 141 from slipping relative to the fixed shaft 17, the staircase 10 further includes a positioning member 16. The positioning member 16 is connected to the fixed shaft 17 and abuts against the inner ring of the bearing 141 along the axial direction of the bearing 141. The supporting portion 17a is spaced from the positioning member 16 along the second direction D2, and the supporting portion 17a is closer to the staircase body 11 than the positioning member 16. Figure 7 and Figure 8 In the embodiment, the fixed shaft 17 has a fitting groove adapted to the positioning member 16, and the positioning member 16 can be configured as a circlip. In an embodiment not shown, the fixed shaft 17 can have a pin hole, and the positioning member 16 can be configured as a positioning pin to be connected to the pin hole.
[0069] See also Fig. 9 and Fig.10 , discloses a staircase assembly 2, wherein the staircase 10 may eliminate the guide member 14, and correspondingly, the support member 20 may eliminate the guide portion 24. Instead, the staircase 10 may include a column 18, which extends in the vertical direction and is connected to the bottom of the straight section 11a. A moving member 30 is provided at one end of the column 18 away from the straight section 11a, and the moving member 30 protrudes downward from the column 18 and abuts against the support member 20. It can be understood that the moving member 30 is used to support the staircase body 11 to walk along the support member 20. The moving member 30 is configured as a roller, for example Fig. 9 and Fig.10 In the embodiment, along the first direction D1, the number of the pillar 18 is one, and of course, multiple pillars 18 may be provided. Accordingly, along the first direction D1, the number of the slots 20a is at least two, for example Fig. 9 and Fig.10 In the embodiment, along the first direction D1, the number of the engaging slots 20a is two. When the first mounting portion 13 is connected to the second mounting portion 23, the moving member 30 is engaged with the engaging slots 20a.
[0070] According to the staircase assembly of the present invention, by performing bidirectional positioning on the staircase 10, the strength of the staircase body 11 is improved, ensuring the stability and durability of the staircase 10, and the rapid disassembly and assembly function of the staircase 10 is truly realized. No secondary installation is required on site, and it can be used as long as it is inserted, which greatly improves work efficiency and makes the overall appearance more beautiful.
[0071] Unless otherwise defined, the technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art in the technical field of the present invention. The terms used herein are only for describing specific implementation purposes and are not intended to limit the present invention. Terms such as "setting" appearing in this article may indicate that one component is directly attached to another component, or that one component is attached to another component through an intermediate. Features described in this article in one embodiment may be applied to another embodiment alone or in combination with other features, unless the feature is not applicable in the other embodiment or otherwise specified.
[0072] The utility model has been described through the above embodiments, but it should be understood that the above embodiments are only for the purpose of example and description, and are not intended to limit the utility model to the described embodiments. It can be understood by those skilled in the art that more variations and modifications can be made according to the teachings of the utility model, and these variations and modifications all fall within the scope of the protection claimed by the utility model.
Claims
1. A staircase assembly, characterized in that: The staircase assembly comprises a staircase and a support member, the staircase being detachably connected to the support member, The staircase includes a staircase body, a moving member arranged at the bottom of the staircase body, and a first mounting portion; The supporting member comprises a base frame and a vertical frame, wherein the base frame has a slot adapted to the moving member, and the vertical frame has a second mounting portion adapted to the first mounting portion; When the staircase is connected to the supporting member, the first mounting portion and the second mounting portion are engaged with each other, and the moving member is engaged with the slot to prevent the staircase body from moving in a horizontal direction relative to the supporting member.
2. The staircase assembly according to claim 1, characterized in that: The first mounting portion protrudes outward from the staircase body along a first horizontal direction. The first mounting portion is located above the moving component and is spaced apart from the moving component along the first direction.
3. The staircase assembly according to claim 2, characterized in that: The first mounting portion has a first contact surface, which is inclined relative to the vertical direction and the first direction; the second mounting portion is located inside the supporting member, and the second mounting portion has a second contact surface, which is inclined relative to the vertical direction and the first direction; when the first mounting portion is connected to the second mounting portion, the first contact surface abuts against the second contact surface.
4. The staircase assembly according to claim 1, characterized in that: The staircase body comprises: A straight section, the straight section extending along a first horizontal direction, the first mounting portion being located in the straight section; An inclined section is connected to the straight section and is inclined downward relative to the straight section. The inclined section is inclined relative to the first direction and the vertical direction. The moving member is located at the bottom of the inclined section.
5. The staircase assembly according to claim 4, characterized in that: The staircase further includes a guide member connected to the straight section and protruding outward from the straight section along a second horizontal direction, the second direction being perpendicular to the first direction, the guide member being movably connected to the support member.
6. The staircase assembly according to claim 5, characterized in that: The supporting member includes a guide portion extending in the first direction, and the guide member is movably connected to the guide portion.
7. The staircase assembly according to claim 5, characterized in that: The staircase further comprises a fixed shaft extending along the second direction and connected to the staircase body, the fixed shaft protruding outwardly from the staircase body along the second direction, and the moving member and the guide member are both configured as rollers connected to the fixed shaft.
8. The staircase assembly according to claim 7, characterized in that The roller comprises: A bearing, wherein the bearing is sleeved on the outer periphery of the fixed shaft, the fixed shaft has abutment, and the abutment is abutted against the inner ring of the bearing along the axial direction of the bearing; and A coating layer, wherein the coating layer is sleeved on the outer periphery of the bearing; The staircase further includes a positioning member connected to the fixed shaft and abutting against the inner ring of the bearing along the axial direction of the bearing; the abutting portion is spaced apart from the positioning member along the second direction, and the abutting portion is closer to the staircase body than the positioning member.
9. The staircase assembly according to claim 4, characterized in that: The staircase also includes a column, which extends in a vertical direction and is connected to the bottom of the straight section. A movable member is provided at one end of the column away from the straight section. The movable member protrudes downward from the column and abuts against the supporting member. The movable member is used to support the staircase body to walk along the supporting member. Along the first direction, the number of the slots is at least two, and when the first mounting portion is connected to the second mounting portion, the movable member is snapped into the slot.
10. The staircase assembly according to claim 4, characterized in that The inclined section has a plurality of pedals, the plurality of pedals are arranged in sequence along the first direction, and top surfaces of the plurality of pedals are equidistantly spaced along the vertical direction.
11. The staircase assembly according to any one of claims 1 to 10, characterized in that: The staircase further includes a guardrail connected to the staircase body and protruding upward from the staircase body.