Detachable limo ladder stand
The RV ladder, with its threaded connection and detachable structure design, solves the problem of inconvenient disassembly caused by welding fixation, enabling convenient installation and flexible storage, and simplifying the maintenance and modification process.
Patent Information
- Application Number
- CN202520135846.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing RV ladders are welded to the vehicle body, making disassembly inconvenient and lacking flexibility, which affects the maintenance and modification process.
The ladder features a detachable design and utilizes threaded holes, connectors, bolts, and limit posts to secure it to the RV via threaded connections. It can also be retracted and extended using a return spring and movable posts.
It enables convenient installation and disassembly of the ladder, improves flexibility, saves storage space, and simplifies the maintenance and modification process.
Smart Images

Figure CN223605541U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of house car ladder, especially to detachable house car ladder. BACKGROUND
[0002] House car ladder (also called house car top ladder, roof ladder) is one of the common accessories of house car, which is used for facilitating people to go up and down the roof or high place in the car, especially when the solar cell panel, antenna and other facilities are carried on the roof of house car, the role of ladder is particularly important.
[0003] However, the design of the existing house car ladder is usually fixed on the body of the house car by welding, which can provide stable structural connection, but also brings inconvenience in disassembly. When the house car needs to be repaired and disassembled, the welded ladder cannot be easily removed because the welding part is directly integrated with the body, and special tools must be used for cutting or disassembly, which is complicated and may damage the body. In addition, the welded ladder does not have flexibility after being fixed, and cannot be adjusted or replaced according to needs, resulting in a complex maintenance and modification process. Therefore, there is an urgent need for a detachable house car ladder. SUMMARY
[0004] The utility model aims at solving the problem that the house car ladder is fixed on the body of the house car by welding in the prior art, which makes it difficult to remove the welded ladder when the house car needs to be repaired and disassembled.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a detachable house car ladder, comprising a first ladder, a plurality of first threaded holes are formed in the front side of the first ladder, a plurality of first connecting pieces are movably connected to the front side of the first ladder, a plurality of first bolts are threadedly connected inside the plurality of first connecting pieces, the plurality of first bolts are matched with the first threaded holes, a second connecting piece is movably connected to the front side of each of the plurality of first connecting pieces, two limiting columns are fixedly installed on the front side of each of the plurality of first connecting pieces, the plurality of limiting columns are divided into a plurality of groups, the front side of each of the plurality of groups of limiting columns is movably connected to the rear side of the second connecting piece, a connecting column is fixedly installed on the rear side of each of the plurality of second connecting pieces, and the connecting column is movably connected to the inner side of each of the plurality of groups of limiting columns.
[0006] As a preferred embodiment, a positioning groove is formed in the front side of each of the plurality of first connecting pieces, and a positioning column is fixedly installed on the rear side of each of the plurality of connecting columns.
[0007] The technical effect of the above-mentioned further scheme is that the positioning column can be embedded in the inside of the positioning groove.
[0008] As a preferred implementation form, the plurality of positioning columns are matched with the positioning grooves, and the plurality of groups of limiting columns are internally and on both sides screw-connected with second bolts.
[0009] The technical effect of the further scheme is that the second bolts can be embedded into the second screw grooves.
[0010] As a preferred implementation form, the plurality of second bolts are externally screw-connected with nuts, and the plurality of connecting columns are internally and on both sides provided with second screw grooves.
[0011] The technical effect of the further scheme is that the nuts can be sleeved on the external surfaces of the second bolts.
[0012] As a preferred implementation form, the plurality of second bolts are matched with the second screw grooves, the plurality of second connecting pieces are internally screw-connected with third bolts, and the first ladder is movably embedded with a second ladder.
[0013] The technical effect of the further scheme is that the first ladder can slide in the second ladder.
[0014] As a preferred implementation form, the second ladder is fixedly provided with two sliding blocks on both sides, and the first ladder is internally and on both sides provided with two sliding grooves.
[0015] The technical effect of the further scheme is that the second ladder can drive the sliding blocks to move.
[0016] As a preferred implementation form, the external surfaces of the four sliding blocks are movably connected to the internal surfaces of the sliding grooves, the second ladder is internally provided with a plurality of fixing grooves, and the first ladder is movably embedded with movable columns on both sides of the internal wall.
[0017] The technical effect of the further scheme is that the sliding blocks can slide on the internal surfaces of the sliding grooves.
[0018] As a preferred implementation form, the external sides of the two movable columns are fixedly provided with return springs, and the other ends of the two return springs are fixedly provided on the external surface of the first ladder.
[0019] The technical effect of the further scheme is that the movable columns can be embedded into the internal surfaces of the fixing grooves.
[0020] Compared with the prior art, the utility model has the advantages and positive effects that,
[0021] 1. The utility model discloses, when using, through the setting of first connecting piece and second connecting piece structure, personnel can easily install or disassemble first ladder, do not need complex tool or professional skill, significantly improve the flexibility and convenience of installation and disassembly, solve the problem that the existing technology through the welding mode will the motor home ladder be fixed on the car body of motor home, lead to need to maintain, disassemble when the motor home, the welded ladder cannot be easily removed.
[0022] 2. The utility model discloses, when using, through the setting of reset spring and movable column structure, can contract or extend to the ladder, so that the ladder can be conveniently stored, save space. ACCURACY OF DRAWINGS
[0023] Figure 1 It is a rear view solid structure schematic diagram of the detachable motor home ladder provided by the utility model;
[0024] Figure 2 It is a partial solid structure schematic diagram of the detachable motor home ladder provided by the utility model; Figure One ;
[0025] Figure 3 It is a partial solid structure schematic diagram of the detachable motor home ladder provided by the utility model; Figure Two ;
[0026] Figure 4 It is a partial solid structure schematic diagram of the detachable motor home ladder provided by the utility model; Figure Three .
[0027] LEGEND:
[0028] 1, first ladder;101, first threaded hole;102, first connecting piece;103, first bolt;104, second connecting piece;105, limit post;106, connecting column;107, positioning column;108, positioning groove;109, second bolt;110, second threaded groove;111, nut;112, third bolt;2, second ladder;201, sliding block;202, sliding slot;203, fixed groove;204, movable column;205, reset spring. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0030] Embodiment 1, please refer toFigures 1 to 4 The utility model provides a kind of technical scheme: a detachable motor home ladder, including first ladder 1, the front side of first ladder 1 is equipped with a plurality of first threaded holes 101, the front side of first ladder 1 is movably connected with a plurality of first connecting pieces 102, the inside of a plurality of first connecting pieces 102 is all threadedly connected with a plurality of first bolts 103, a plurality of first bolts 103 are all matched with first threaded hole 101, the front side of a plurality of first connecting pieces 102 is movably connected with second connecting piece 104, the front side of a plurality of first connecting pieces 102 is fixedly installed with two limit posts 105, a plurality of limit posts 105 are divided into groups, the front side of a plurality of limit posts 105 is movably connected on the back of second connecting piece 104, the back of a plurality of second connecting pieces 104 is fixedly installed with connecting column 106, a plurality of connecting columns 106 are movably connected in the inside of a plurality of limit posts 105, the front side of a plurality of first connecting pieces 102 is equipped with positioning groove 108, the back of a plurality of connecting columns 106 is fixedly installed with positioning post 107, a plurality of positioning posts 107 are matched with positioning groove 108, the inside of a plurality of limit posts 105 is all threadedly connected with second bolt 109, the outer surface of a plurality of second bolts 109 is all threadedly connected with nut 111, the inside of a plurality of connecting columns 106 is equipped with second threaded groove 110 on both sides.
[0031] In the embodiment, personnel can first fix second connecting piece 104 on the motor home by third bolt 112, and take first connecting piece 102 and attach it to the front side of first ladder 1, then rotate first bolt 103 and embed it into the inside of first threaded hole 101, to fix first connecting piece 102 on the front side of first ladder 1, then personnel take first ladder 1 so that first connecting piece 102 is located on the back of second connecting piece 104, and push first ladder 1 forward so that connecting column 106 is embedded into the inside of limit post 105, and positioning post 107 is driven into the inside of positioning groove 108, then personnel can rotate second bolt 109 so that it passes through second threaded groove 110, and nut 111 is sleeved on the outer surface of second bolt 109, to fix first ladder 1 with the motor home, and through the structure of first connecting piece 102 and second connecting piece 104, personnel can easily install or disassemble first ladder 1 without complex tools or professional skills, significantly improving the flexibility and convenience of installation and disassembly.
[0032] Embodiment 2, as Figures 1 to 4As shown, the plurality of second bolts 109 are matched with the second threaded grooves 110, the interiors of the plurality of second connecting pieces 104 are threadedly connected with third bolts 112, the interior of the first ladder 1 movably embeds the second ladder 2, the two sides of the second ladder 2 are fixedly installed with two sliding blocks 201, the inner walls of the first ladder 1 are both provided with two sliding grooves 202, the outer surfaces of the four sliding blocks 201 are both slidably connected to the inner surfaces of the sliding grooves 202, the interior of the second ladder 2 is provided with a plurality of fixing grooves 203, the inner walls of the first ladder 1 are both movably embedded with movable columns 204, the outer sides of the two movable columns 204 are both fixedly installed with return springs 205, the other ends of the two return springs 205 are both fixedly installed on the outer surface of the first ladder 1.
[0033] In the embodiment, the person can first pull the movable column 204 outward, drives the return spring 205 to extend, so that the movable column 204 can be separated from the fixed groove 203 at the bottom, and then pull the second ladder 2 downward, so that the second ladder 2 slides downward in the interior of the first ladder 1, and drives the sliding block 201 to slide on the inner surface of the sliding groove 202, when the second ladder 2 is lowered to a certain extent, the person can release the movable column 204, so that the return spring 205 resets, and drives the movable column 204 to slide inward, and then embeds into the interior of the fixed groove 203 at the top, so as to fix the position of the second ladder 2, and through the arrangement of the return spring 205 and the movable column 204, the ladder can be contracted or extended, so that the ladder can be conveniently stored, and space is saved.
[0034] Working principle: in use, personnel can first through the third bolt 112 second connecting piece 104 fixed on the house car, and take the first connecting piece 102 and paste it on the front side of the first ladder 1, then rotate the first bolt 103, embed it into the first threaded hole 101 inside, and then the first connecting piece 102 is fixed on the front side of the first ladder 1, then personnel in take the first ladder 1, so that the first connecting piece 102 is located in the rear side of the second connecting piece 104, in the forward push first ladder 1, so that the connecting column 106 is embedded into the limiting column 105 inside, and drive the positioning column 107 into the positioning groove 108 inside, then personnel can rotate the second bolt 109, make it pass through the second threaded groove 110, and the nut 111 is sleeved on the outer surface of the second bolt 109, to fix the first ladder 1 and the house car, and through the structure of the first connecting piece 102 and the second connecting piece 104, personnel can easily install or disassemble the first ladder 1, without complex tools or professional skills, significantly improve the flexibility and convenience of installation and disassembly. In use, personnel can first pull the movable column 204 outward, drive the return spring 205 to extend, so that the movable column 204 can be separated from the fixed groove 203 at the bottom, then pull down the second ladder 2, make it slide down in the first ladder 1, and drive the sliding block 201 to slide on the inner surface of the sliding groove 202, when the second ladder 2 is lowered to a certain extent, personnel can release the movable column 204, so that the return spring 205 resets, and drives the movable column 204 to slide inward, so that it can be embedded into the fixed groove 203 at the top, to fix the position of the second ladder 2, and through the structure of the return spring 205 and the movable column 204, the ladder can be contracted or extended, so that the ladder can be conveniently stored, save space.
[0035] The above is only the preferred embodiment of the present application, not other forms of the present application, any skilled in the art may use the above disclosed technical content to change or modify the equivalent embodiment applied to other fields, but any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the protection scope of the present application technical scheme.
Claims
1. A demountable motor home ladder comprising a first ladder (1), characterized in that: The front side of the first ladder (1) is provided with a plurality of first threaded holes (101), a plurality of first connecting pieces (102) are movably connected to the front side of the first ladder (1), a plurality of first threaded holes (101) are matched with a plurality of first threaded holes (101), a plurality of first connecting pieces (102) are movably connected to the front side of the first connecting piece (102), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second connecting piece (104), a plurality of first connecting pieces (102) are movably connected to the front side of the second 2. The collapsible RV ladder according to claim 1, wherein: 3. The collapsible RV ladder according to claim 2, wherein: 4. The collapsible recreational vehicle ladder of Claim 3, wherein: 5. The collapsible recreational vehicle ladder according to claim 4, wherein: 6. The collapsible recreational vehicle ladder according to claim 5, wherein: 7. The collapsible recreational vehicle ladder of Claim 6, wherein: 8. The collapsible recreational vehicle ladder according to claim 7, wherein: