Lifting type ladder stand structure for motor home

By designing a lifting ladder structure, the ladder's extension, retraction, and rotation are achieved using threaded rods and electric push rods, combined with conical blocks for ground fixation. This solves the problems of poor safety on exposed and soft ground conditions in existing technologies, achieving a safe and convenient climbing experience.

CN223702431UActive Publication Date: 2025-12-23HEBEI LIVEZONE SPECIAL AUTOMOBILE MFG CO LTD
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Patent Information

Application Number
CN202520093685.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-23
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Existing RV ladder structures are fixed and exposed to the outside, making them susceptible to damage and inconvenient to climb, especially on soft ground where they pose a safety risk.

Method used

It adopts a lifting ladder structure, which realizes the extension and rotation of the ladder through threaded rods and electric push rods. Combined with the cone blocks to fix it on the ground, it ensures that the bottom of the ladder is in contact with the ground and provides a stable climbing path.

Benefits of technology

It improves the safety and ease of use of the ladder, prevents the device from sinking, and reduces the risk of injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of motor homes, and provides a motor home lifting type ladder stand structure which comprises a motor home body, the outer surface of the motor home body is fixedly connected with two first rectangular blocks, first rotating rods are movably embedded in the two first rectangular blocks, and the outer surfaces of the first rotating rods are movably sleeved with first ladder stands. Two sliding grooves are formed in the outer surface of the first crawling ladder, and second crawling ladders are slidably connected into the two sliding grooves. During use, the first threaded rod is rotated to move back and forth in the connecting plate, the first threaded rod is separated from the interior of the limiting hole after moving, and then the second crawling ladder is pulled to move in the sliding grooves; and after the second ladder stand moves to the length needing to stretch out and draw back, the first threaded rod is rotated again to move back and forth in the connecting plate, the first threaded rod is embedded in a limiting hole, at the moment, the second ladder stand is limited, the bottom of the second ladder stand makes contact with the ground, and climbing is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a house car technical field especially relates to a house car is with lifting type ladder stand structure. BACKGROUND

[0002] The house car is a kind of vehicle equipped with various home facilities, can realize the vehicle of "clothing, food, housing, travel" in one, the product of the convenience in life in travel.

[0003] The existing house car outside generally needs to be provided with ladder stand, and it is convenient for user to climb to roof.But, the existing house car ladder stand usually adopts fixed structure and is directly exposed outside, and ladder stand is easily damaged by external impact, the safety of ladder stand is affected, and there is still a certain distance between the bottom end of ladder stand and ground, usually needs additional auxiliary tool or steps on the wheel to climb, and it is dangerous without protection. UTILITY MODEL CONTENT

[0004] In order to realize the above purpose, the utility model adopts the following technical scheme: a house car is with lifting type ladder stand structure, include: house car ontology, the outer surface of the house car ontology is fixedly connected with two rectangular blocks one, the inside of two rectangular blocks one is movably embedded with rotating rod one, the outer surface of rotating rod one is movably sleeved with ladder stand one, the outer surface of ladder stand one is provided with two sliding grooves, the inside of two sliding grooves is slidably connected with ladder stand two, the outer surface both sides of ladder stand one are provided with a plurality of limiting holes, the outer surface both sides of ladder stand two are fixedly connected with connecting plate, the inside of two connecting plates is movably embedded with threaded rod one, two threaded rods one are movably embedded in the inside of two limiting holes.

[0005] The technical effect of the above further scheme is: by rotating threaded rod one moves in the inside of connecting plate back and forth, threaded rod one is separated from the inside of limiting hole after moving, then ladder stand two is moved in the inside of sliding groove by pulling, after moving to the length that needs to be telescopic, threaded rod one is embedded in the inside of limiting hole by rotating threaded rod one moves in the inside of connecting plate back and forth again, limiting ladder stand two at this time, the bottom of ladder stand two is in contact with ground, and it is convenient to climb.

[0006] As a preferred embodiment, the outer surface of the house car body is fixedly connected with an electric push rod, the top end of the electric push rod is fixedly connected with an L-shaped block, the L-shaped block is located on the outer surface of the ladder stand one, the outer surface of the ladder stand one is fixedly connected with a support disc on both sides close to the two rectangular blocks one, and the outer surface of the two support discs is in contact with the house car body.

[0007] The technical effect of the further scheme is that the electric push rod is started by the external power supply to drive the L-shaped block to move downwards, at this time, the L-shaped block is separated from the surface of the ladder one, then the ladder one is pulled to move in the sliding groove, and the ladder one is horizontally and semi-circularly rotated around the house car body as the center through the rotating rod one, at this time, the supporting disc is abutted against the surface of the house car body to support the ladder one.

[0008] As a preferred embodiment, the inner part of the bottom of the ladder two is movably embedded with a rotating rod two, both ends of the rotating rod two are fixedly connected with rotating blocks, the inner part of both rotating blocks is movably embedded with threaded rods two, the bottom end of both threaded rods two is fixedly connected with conical blocks, and the outer side of the bottom end of the ladder two is fixedly connected with two rectangular blocks two.

[0009] The technical effect of the further scheme is that when the ground is soft soil, the threaded rod two is rotated to move in the inner part of the rotating block, and after moving, the conical block is moved towards the ground, at this time, the conical block is embedded in the ground to be fixed, so that the device is prevented from sinking.

[0010] As a preferred embodiment, the outer surface of both rotating blocks is fixedly connected with convex blocks, the outer surface of both convex blocks is provided with round holes, and both threaded rods three are movably embedded in the inner part of both round holes.

[0011] The technical effect of the further scheme is that when the conical block is not needed, the rotating block is rotated through the rotating rod two, after rotating, the conical block faces upwards, then the threaded rod three is rotated to move in the inner part of the rectangular block two, and after moving, the threaded rod three is embedded in the inner part of the round hole to limit the rotating block.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that,

[0013] 1. In use, the threaded rod one is rotated to move in the inner part of the connecting plate, after moving, the threaded rod one is separated from the inner part of the limiting hole, then the ladder two is pulled to move in the sliding groove, after moving to the length needed to be telescoped, the threaded rod one is rotated to move in the inner part of the connecting plate again, the threaded rod one is embedded in the inner part of the limiting hole, at this time, the ladder two is limited, the bottom of the ladder two is in contact with the ground, and climbing is facilitated.

[0014] 2. In use, when the conical block is not needed, the rotating block is rotated through the rotating rod two, after rotating, the conical block faces upwards, then the threaded rod three is rotated to move in the inner part of the rectangular block two, and after moving, the threaded rod three is embedded in the inner part of the round hole to limit the rotating block. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The utility model provides a kind of three-dimensional structure schematic diagram of lifting type ladder stand structure for motor home;

[0016] Figure 2 The utility model provides a kind of rear view structure schematic diagram of lifting type ladder stand structure for motor home;

[0017] Figure 3 The utility model provides a kind of A place enlarged structure schematic diagram of lifting type ladder stand structure for motor home;

[0018] Figure 4 The utility model provides a kind of front view plane structure schematic diagram of lifting type ladder stand structure for motor home.

[0019] Legend: 101, motor home body; 102, rotating rod one; 103, electric push rod; 104, L-shaped block; 105, rectangular block one; 106, ladder one; 108, sliding groove; 109, support disc; 110, limit hole; 111, connecting plate; 112, threaded rod one; 113, ladder two; 114, rotating block; 115, rotating rod two; 116, threaded rod two; 117, conical block; 118, rectangular block two; 119, threaded rod three; 120, protruding block; 121, round hole. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples.It should be noted that the embodiments of the present application and the features in the examples can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model can also be implemented in other ways different from those described herein, therefore, the present utility model is not limited to the specific embodiments disclosed in the following description.

[0022] Please refer to Figures 1 to 4The utility model provides a kind of house car uses lifting type ladder structure, comprising: house car body 101, the outer surface of house car body 101 is fixedly connected with two rectangular blocks one 105, the inside of two rectangular blocks one 105 is movably embedded with rotating rod one 102, the outer surface of rotating rod one 102 is movably sheathed with ladder one 106, the outer surface of ladder one 106 is equipped with two sliding grooves 108, the inside of two sliding grooves 108 is slidably connected with ladder two 113, the outer surface of ladder one 106 both sides is equipped with multiple limit holes 110, the outer surface of ladder two 113 both sides is fixedly connected with connecting plate 111, the inside of two connecting plates 111 is movably embedded with threaded rod one 112, two threaded rod one 112 are movably embedded in the inside of two limit holes 110, by rotating threaded rod one 112 in the inside of connecting plate 111 moves back and forth, threaded rod one 112 is separated from the inside of limit hole 110 after moving, then pull ladder two 113 and move in the inside of sliding groove 108, after moving to the length that needs to be telescopic, threaded rod one 112 is embedded in the inside of limit hole 110 again, threaded rod one 112 moves back and forth in the inside of connecting plate 111, at this moment, ladder two 113 is positioned, the bottom of ladder two 113 is in contact with ground, and it is convenient to climb.

[0023] As Figures 1 to 4 shown, the outer surface of house car body 101 is fixedly connected with electric push rod 103, the top of electric push rod 103 is fixedly connected with L-shaped block 104, L-shaped block 104 is located on the outer surface of ladder one 106, the outer surface of ladder one 106 is fixedly connected with support disc 109 on the both sides close to two rectangular blocks one 105, two support discs 109 are in contact with the outer surface of house car body 101, by external power to start electric push rod 103 and drive L-shaped block 104 to move downwards, at this moment, L-shaped block 104 is separated from the surface of ladder one 106, then by pulling ladder one 106, ladder one 106 is horizontally semicircularly rotated around house car body 101 as center through rotating rod one 102, at this moment, support disc 109 is supported on the surface of house car body 101 for supporting ladder one 106.

[0024] As Figures 1 to 4 shown, the inside close to the bottom of ladder two 113 is movably embedded with rotating rod two 115, the both ends of rotating rod two 115 are fixedly connected with rotating block 114, the inside of two rotating blocks 114 is movably embedded with threaded rod two 116, the bottom of two threaded rod two 116 is fixedly connected with conical block 117, the bottom outside of ladder two (113) is fixedly connected with two rectangular blocks two (118), the inside of two rectangular blocks two 118 is movably embedded with threaded rod three 119, when ground is relatively soft soil, by rotating threaded rod two 116 in the inside of rotating block 114 moves, after moving, conical block 117 is moved to the direction of ground, at this moment, conical block 117 is embedded in ground and fixed, to prevent device subsidence.

[0025] As Figures 1 to 4 shown, the outer surface of the two rotating blocks 114 is fixedly connected with the protruding block 120, the outer surface of the two protruding blocks 120 is provided with a circular hole 121, and the two threaded rods three 119 are movably embedded in the inside of the two circular holes 121, when the conical block 117 is not needed, the rotating block 114 is rotated through the rotating rod two 115, after rotating, the conical block 117 is upward, then the threaded rod three 119 is moved forward and backward in the inside of the rectangular block two 118, after moving, the threaded rod three 119 is embedded in the inside of the circular hole 121 to limit the rotating block 114.

[0026] Working principle: through the external power supply to start the electric push rod 103 to drive the L-shaped block 104 to move downward, at this time, the L-shaped block 104 is separated from the surface of the ladder one 106, then the ladder one 106 is rotated through the rotating rod one 102 around the house car body 101 as the center to horizontally rotate in a semicircle, at this time, the supporting disc 109 is abutted against the surface of the house car body 101 for supporting the ladder one 106, then the threaded rod one 112 is moved forward and backward in the inside of the connecting plate 111, after moving, the threaded rod one 112 is separated from the inside of the limiting hole 110, then the ladder two 113 is pulled to move in the inside of the sliding groove 108, after moving to the length needed to be telescopic, the threaded rod one 112 is moved forward and backward in the inside of the connecting plate 111 again, the threaded rod one 112 is embedded in the inside of the limiting hole 110, at this time, the ladder two 113 is limited, the bottom of the ladder two 113 is in contact with the ground, which is convenient for climbing, when the ground is relatively soft soil, the threaded rod two 116 is moved in the inside of the rotating block 114 by rotating, after moving, the conical block 117 is moved to the direction of the ground, at this time, the conical block 117 is embedded in the ground to be fixed, which prevents the device from sinking, when the conical block 117 is not needed, the rotating block 114 is rotated through the rotating rod two 115, after rotating, the conical block 117 is upward, then the threaded rod three 119 is moved forward and backward in the inside of the rectangular block two 118, after moving, the threaded rod three 119 is embedded in the inside of the circular hole 121 to limit the rotating block 114.

[0027] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application still falls within the protection scope of the technical scheme of the present application.

Claims

1. A lifting ladder structure for RVs, comprising: The RV body (101) is characterized in that two rectangular blocks (105) are fixedly connected to the outer surface of the RV body (101), a rotating rod (102) is movably embedded inside the two rectangular blocks (105), a ladder (106) is movably sleeved on the outer surface of the rotating rod (102), two sliding grooves (108) are opened on the outer surface of the ladder (106), a second ladder (113) is slidably connected inside the two sliding grooves (108), a plurality of limiting holes (110) are opened on both sides of the outer surface of the ladder (106), a connecting plate (111) is fixedly connected to both sides of the outer surface of the second ladder (113), a threaded rod (112) is movably embedded inside the two connecting plates (111), and the two threaded rods (112) are movably embedded inside the two limiting holes (110).

2. The RV lift ladder structure according to claim 1, characterized in that: An electric push rod (103) is fixedly connected to the outer surface of the RV body (101), and an L-shaped block (104) is fixedly connected to the top of the electric push rod (103).

3. The RV lift ladder structure according to claim 2, characterized in that: The L-shaped block (104) is located on the outer surface of the ladder (106). The ladder (106) is fixedly connected to two support plates (109) on both sides of the outer surface of the two rectangular blocks (105). The two support plates (109) are in contact with the outer surface of the RV body (101).

4. The RV lift ladder structure according to claim 3, characterized in that: The second ladder (113) has a rotating rod (115) movably embedded inside near its bottom, and both ends of the rotating rod (115) are fixedly connected to rotating blocks (114).

5. The RV lift ladder structure according to claim 4, characterized in that: Both rotating blocks (114) have a threaded rod (116) movably embedded inside, and a conical block (117) is fixedly connected to the bottom end of each of the two threaded rods (116).

6. The RV lift ladder structure according to claim 5, characterized in that: Two rectangular blocks (118) are fixedly connected to the outer bottom of the ladder (113), and threaded rods (119) are movably embedded inside the two rectangular blocks (118).

7. The RV lift ladder structure according to claim 6, characterized in that: Both of the rotating blocks (114) have protrusions (120) fixedly connected to their outer surfaces, and both of the protrusions (120) have round holes (121) on their outer surfaces.

8. The RV lift ladder structure according to claim 7, characterized in that: Both of the aforementioned threaded rods (119) are movably embedded inside the two round holes (121).