Telescopic motor home pedal ladder

By designing a retractable RV pedal ladder with a servo motor drive moving mechanism and a holder assembly, the problem of inconvenience in climbing for people with limited mobility is solved, and higher convenience and stability are achieved.

CN222807995UActive Publication Date: 2025-04-29DALIAN TIANYE MODEL MFG CO LTD
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Patent Information

Application Number
CN202421882168.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-06
Publication Date
2025-04-29
Estimated Expiration
2034-08-06

AI Technical Summary

Technical Problem

The existing retractable ride-hailing ladder for RVs is inconvenient for people with mobility difficulties, affecting the user experience of some audiences.

Method used

A retractable RV pedal ladder is designed, using a servo motor-driven moving mechanism, including a guide side frame, a rotating shaft, a counterweight slider and a support assembly, which provides the functions of assisting climbing and stabilizing support through the synergy of these components.

Benefits of technology

The device drives the support rod and support assembly through a servo motor-driven winding wheel and wire rope system, reducing the difficulty of climbing, improving the convenience of up and down movement for people with limited mobility, and maintaining stability through support assembly, improving the user experience.

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Abstract

The utility model relates to the technical field of boarding ladders, in particular to a telescopic motor home pedal ladder which comprises a mounting frame, a pedal plate, a pedal plate, a pedal plate, a pedal plate, a pedal plate and a pedal plate, and one side of the mounting frame is fixedly connected with a servo motor; the moving mechanism is mounted at the lower end of the mounting frame; wherein the moving mechanism comprises two connecting strips fixedly connected to the lower end of the mounting frame, moving assemblies are arranged at the ends of the connecting strips, and supporting assemblies are mounted on the surfaces of the moving assemblies; according to the telescopic motor home pedal ladder, under the action of the moving assembly, people having difficulty in moving can achieve the effect of assisting in moving, the device drives the servo motor to drive the winding wheel to rotate through the rotating shaft, so that the winding wheel winds one end of a steel wire rope, and the steel wire rope is wound through the winding wheel; and therefore, the steel wire rope pulls the counterweight sliding block to drive the supporting rod to move along the inner wall of the guide side frame, the difficulty of climbing actions of people with mobility difficulties is reduced, and the convenience of vertical movement is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle ladders, in particular to a telescopic RV step ladder. Background Art

[0002] RV, also known as "home on wheels", has the functions of both "house" and "car", but its attribute is still a car. It is a kind of movable vehicle with basic facilities necessary for home. When users get on and off the RV, they usually need to use the RV step ladder to move up and down;

[0003] After searching the prior art, "a retractable boarding ladder for RVs" was found with the announcement number "CN212353820U". This device can assist people in climbing onto RVs, but it is inconvenient for some people with limited mobility to climb, affecting the user experience of some audiences.

[0004] Therefore, a retractable RV step ladder is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a retractable RV step ladder in order to solve the above-mentioned problem, thereby improving the inconvenience of climbing for some people with limited mobility and affecting the user experience of some audiences.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme, a retractable RV step ladder, comprising: a mounting frame, one side of which is fixedly connected to a servo motor; a moving mechanism, which is installed at the lower end of the mounting frame; wherein the moving mechanism comprises two connecting strips fixedly connected to the lower end of the mounting frame, a moving component is provided at the end of the connecting strip, a supporting component is installed on the surface of the moving component, and the supporting component is located below the connecting strip.

[0007] Preferably, the moving component includes a guide side frame hinged at the end of the connecting bar, a rotating shaft is arranged between the two guide side frames, the end of the rotating shaft passes through the other side of the adjacent guide side frame, the servo motor output shaft is fixedly connected to one end of the rotating shaft, the inner wall of the guide side frame is slidably connected with a counterweight sliding block, a support rod is fixedly connected between the two counterweight sliding blocks, a user is located on the support rod on the support rod support component plane, the movement of the support rod can assist the user in climbing and moving, thereby improving the convenience of use.

[0008] Preferably, the supporting assembly includes a buckle ring rotatably connected to the surface of the support rod, the surface of the buckle ring is fixedly connected to a supporting plate, both sides of the supporting plate are clamped with connecting frames, the side of the connecting frame away from the supporting plate is fixedly connected to a side plate, the lower end of the side plate is installed with a groove wheel, the groove wheel is in contact with the surface of the adjacent guide side frame, and the buckle ring maintains support for one end of the supporting plate through the support rod.

[0009] Preferably, the upper end of the counterweight sliding block is fixedly connected with a steel wire rope, and the steel wire rope is wound around the surface of the rotating shaft. The pulling of the steel wire rope can drive the rotating shaft to move on the inner wall of the guide side frame.

[0010] Preferably, a side groove is opened on one side of the guide side frame, and a protective slider is fixedly connected to the surface of the support rod. The protective slider is slidably connected to the inner wall of the side groove. The protective slider has a protective effect on the user, and the protective slider matches the inner concave surface of the guide side frame.

[0011] Preferably, a winding wheel is fixedly connected to the surface of the rotating shaft, and the winding wheel is located inside the guide side frame. The other end of the wire rope is wound around the surface of the winding wheel, and the rotation of the winding wheel will drive the end of the wire rope to be wound.

[0012] Preferably, the lower end of the side panel is fixedly connected to a fixing frame, and the groove wheel is rotatably connected to the surface of the fixing frame. The fixing frame drives the groove wheel to fit tightly with the arc surface of the lower end of the guide side frame, thereby providing auxiliary support for the end of the supporting plate away from the support rod, thereby keeping the personnel above the supporting plate stable.

[0013] The beneficial effects of the utility model are:

[0014] 1. The above-mentioned retractable RV step ladder can assist the movement of people with limited mobility under the action of the moving component. The device drives the servo motor to drive the winding wheel to rotate through the rotating shaft, so that the winding wheel reels one end of the wire rope, so that the wire rope pulls the counterweight sliding block to drive the support rod to move along the inner wall of the guide side frame, thereby reducing the difficulty of climbing for people with limited mobility and improving the convenience of moving up and down.

[0015] 2. By setting up a supporting component, the standing position of the user can be kept stable under the action of the supporting component. The buckle holds one end of the supporting plate through the support rod, and the groove wheel and the fixed frame can keep its angle from changing significantly during the movement, which can play a role of stable support for the personnel on the supporting plate during the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a partial structural schematic diagram of the mobile mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of the mobile component of the utility model;

[0019] Figure 4 It is a schematic diagram of the exploded structure of the supporting assembly of the utility model.

[0020] In the figure: 1. mounting frame; 2. servo motor; 3. moving mechanism; 31. moving assembly; 311. guide side frame; 312. rotating shaft; 313. counterweight sliding block; 314. winding wheel; 315. wire rope; 316. side groove; 317. protective slider; 318. support rod; 32. supporting assembly; 321. buckle; 322. supporting plate; 323. connecting frame; 324. side plate; 325. fixed frame; 326. groove wheel; 33. connecting strip. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] When implementing: Figure 1-4 As shown, a retractable RV step ladder comprises: a mounting frame 1, one side of which is fixedly connected to a servo motor 2; a moving mechanism 3, which is mounted on the lower end of the mounting frame 1; wherein the moving mechanism 3 comprises two connecting bars 33 fixedly connected to the lower end of the mounting frame 1, a moving assembly 31 is arranged at the end of the connecting bar 33, a supporting assembly 32 is installed on the surface of the moving assembly 31, and the supporting assembly 32 is located below the connecting bar 33;

[0023] like Figure 1-Figure 4The movable assembly 31 comprises a guide frame 311 hinged at the end of the connecting strip 33, a rotating shaft 312 is arranged between the two guide frames 311, the end of the rotating shaft 312 passes through the other side of the adjacent guide frame 311, the output shaft of the servo motor 2 is fixedly connected to one end of the rotating shaft 312, a counterweight sliding block 313 is slidably connected to the inner wall of the guide frame 311, a support rod 318 is fixedly connected between the two counterweight sliding blocks 313, a steel wire rope 315 is fixedly connected to the upper end of the counterweight sliding block 313, the steel wire rope 315 is wound around the surface of the rotating shaft 312, a side groove 316 is provided on one side of the guide frame 311, a protective sliding block 317 is fixedly connected to the surface of the support rod 318, the protective sliding block 317 is slidably connected to the inner wall of the side groove 316, a winding wheel 314 is fixedly connected to the surface of the rotating shaft 312, the winding wheel 314 is located inside the guide frame 311, and the other end of the steel wire rope 315 is wound around the surface of the winding wheel 314;

[0024] When the device is in use, when the user is located on the plane of the supporting assembly 32 on the support rod 318, the servo motor 2 can be driven to drive the rotating shaft 312 to follow and rotate synchronously, at this time, the winding wheel 314 follows the rotation of the rotating shaft 312, and then the winding wheel 314 plays a role of winding up one end of the wire rope 315, and the counterweight sliding block 313 is pulled by the wire rope 315 to gradually move up along the inner wall of the guide side frame 311, at this time, the support rod 318 drives the supporting assembly 32 to follow and move synchronously under the action of the counterweight sliding block 313;

[0025] like Figure 1 , Figure 2 and Figure 4 As shown, the supporting assembly 32 includes a buckle ring 321 rotatably connected to the surface of the support rod 318, a supporting plate 322 is fixedly connected to the surface of the buckle ring 321, both sides of the supporting plate 322 are clamped with connecting frames 323, a side plate 324 is fixedly connected to the side of the connecting frame 323 away from the supporting plate 322, a groove wheel 326 is installed at the lower end of the side plate 324, the groove wheel 326 contacts the surface of the adjacent guide side frame 311, and a fixing frame 325 is fixedly connected to the lower end of the side plate 324, and the groove wheel 326 is rotatably connected to the surface of the fixing frame 325;

[0026] When the device is in use, the person is located at the upper end of the supporting plate 322, wherein one end of the supporting plate 322 is tightly connected to the support rod 318 due to the action of the buckle 321, and at the same time, the other end of the supporting plate 322 moves downward under the action of the gravity of the person, so that the connecting frame 323 drives the side plate 324 to follow and perform an arc movement, wherein the groove wheel 326 is driven by the fixing frame 325 to precisely fit the arc surface of the lower end of the guide side frame 311, thereby providing auxiliary support for the end of the supporting plate 322 away from the support rod 318, thereby keeping the person stable above the supporting plate 322.

[0027] The support rod 318 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 318 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316 is used to pull the support rod 314 out of the way and the support rod 316

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A retractable RV step ladder, characterized in that: include: A mounting frame (1), one side of the mounting frame (1) being fixedly connected to a servo motor (2); A moving mechanism (3), wherein the moving mechanism (3) is mounted on the lower end of the mounting frame (1); The moving mechanism (3) comprises two connecting bars (33) fixedly connected to the lower end of the mounting frame (1), a moving assembly (31) is arranged at the end of the connecting bar (33), a supporting assembly (32) is installed on the surface of the moving assembly (31), and the supporting assembly (32) is located below the connecting bar (33).

2. The retractable RV step ladder according to claim 1, characterized in that: The moving assembly (31) comprises a guide side frame (311) hinged at the end of a connecting strip (33), a rotating shaft (312) is arranged between the two guide side frames (311), the end of the rotating shaft (312) passes through the other side of the adjacent guide side frame (311), the output shaft of the servo motor (2) is fixedly connected to one end of the rotating shaft (312), the inner wall of the guide side frame (311) is slidably connected to a counterweight sliding block (313), and a support rod (318) is fixedly connected between the two counterweight sliding blocks (313).

3. The retractable RV step ladder according to claim 2, characterized in that: The supporting assembly (32) comprises a buckle (321) rotatably connected to the surface of the support rod (318); a supporting plate (322) is fixedly connected to the surface of the buckle (321); connecting frames (323) are clamped on both sides of the supporting plate (322); a side of the connecting frame (323) away from the supporting plate (322) is fixedly connected to a side plate (324); a groove wheel (326) is installed at the lower end of the side plate (324); and the groove wheel (326) contacts the surface of the adjacent guide side frame (311).

4. The retractable RV step ladder according to claim 2, characterized in that: The upper end of the counterweight sliding block (313) is fixedly connected to a steel wire rope (315), and the steel wire rope (315) is wound around the surface of the rotating shaft (312).

5. The retractable RV step ladder according to claim 2, characterized in that: A side groove (316) is provided on one side of the guide side frame (311), and a protective sliding block (317) is fixedly connected to the surface of the support rod (318), and the protective sliding block (317) is slidably connected to the inner wall of the side groove (316).

6. The retractable RV step ladder according to claim 4, characterized in that: A reel (314) is fixedly connected to the surface of the rotating shaft (312), the reel (314) is located inside the guide side frame (311), and the other end of the steel wire rope (315) is wound around the surface of the reel (314).

7. The retractable RV step ladder according to claim 3, characterized in that: The lower end of the side plate (324) is fixedly connected to a fixing frame (325), and the groove wheel (326) is rotatably connected to the surface of the fixing frame (325).

Citation Information

Patent Citations

  • Telescopic boarding ladder for recreational vehicle

    CN212353820U