Motor home tail extension platform mechanism

The retractable platform mechanism addresses the limitations of bed storage and small kitchen space in recreational vehicles by offering a versatile, easily accessible expansion for storage, cooking, and dining, enhancing usability.

CN223100568UActive Publication Date: 2025-07-15江西趣蜂专用车装备有限公司
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Patent Information

Application Number
CN202421832029.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-31
Publication Date
2025-07-15
Estimated Expiration
2034-07-31

AI Technical Summary

Technical Problem

The inner bed space of the RV is only used for storage, with a single function and inconvenient access to and from, the small area of the cooking table is inconvenient to operate, which affects the user experience.

Method used

A RV tail expansion platform mechanism is designed, including an expansion platform, a support lifting structure and a storage box. The platform is expanded and lifted by hydraulic telescopic rods and rollers. The support plate provides stability, the lifting plate facilitates handling of heavy objects, and the storage box is used for storage and function expansion.

Benefits of technology

It improves the utilization rate of the interior space of the RV, facilitates the storage and access of items and cooking operations, provides multi-functional usage scenarios, and enhances the convenience of use and space adaptability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a motor home tail expansion platform mechanism, relates to the technical field of motor home, and specifically comprises an expansion platform, a support lifting structure and a storage box, the expansion platform and the storage box are both arranged at the motor home tail, the expansion platform is arranged below a motor home machine body, a cavity between the expansion platform and the motor home machine body is a storage space, and the storage space is arranged in the storage space. The expansion platform is fixedly connected with the tail part of the motor home through a hydraulic telescopic rod I; and the supporting lifting structure comprises a supporting plate, the supporting plate is connected with the expansion platform in a clamped mode, rolling wheels are movably connected to the bottom of the supporting plate, and second hydraulic telescopic rods are fixedly connected to the two sides of the supporting plate. According to the motor home tail expansion platform mechanism, multiple modes can be switched at any time, and the motor home tail expansion platform mechanism adapts to various occasion transformation structures; the space utilization rate is high, and the device is suitable for motor caravan; the structure is simple and installation is convenient and fast; and various different functional modules can be conveniently carried.
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Description

Technical Field

[0001] The utility model relates to the technical field of motorhomes, and particularly to a tail expansion platform mechanism for a motorhome. Background Technique

[0002] At present, motorhomes have been recognized by people and gradually entered many families. A motorhome, also known as a home on wheels, has two major functions of "home" and "vehicle", and is a type of vehicle that is movable and equipped with basic facilities necessary for a home.

[0003] At present, in the design of recreational vehicles, the space under the bed is usually used for storage. However, due to the height limitation of the bed itself and the limitation of the interior space of the vehicle, it is difficult to take and place storage items inside the motorhome, which affects the convenience of taking and placing storage items; the space under the bed can only be used for storage, and the function is relatively single; the cooking counter area of most recreational vehicles is small, and the operation is inconvenient. Moreover, if cooking is done inside the vehicle, it will further affect the interior environment of the vehicle, bringing inconvenience during use. Based on this, this application proposes a tail expansion platform mechanism for a motorhome. Content of the Utility Model

[0004] The utility model provides a tail expansion platform mechanism for a motorhome, which solves the problems that the space under the bed can only be used for storage with a single function, it is difficult to take and place items in the space under the bed, and the cooking counter area of most recreational vehicles is small and the operation is inconvenient as mentioned in the above background technique.

[0005] The utility model provides the following technical solution: A tail expansion platform mechanism for a motorhome includes an expansion platform, a support lifting structure, and a storage box. The expansion platform and the storage box are both arranged at the tail of the motorhome, and the expansion platform is arranged under the bed body of the motorhome. The cavity between the expansion platform and the bed body of the motorhome is a storage space. The expansion platform is fixedly connected to the tail of the motorhome through a first hydraulic telescopic rod; the support lifting structure includes a support plate, the support plate is clamped with the expansion platform, a roller is movably connected to the bottom of the support plate, two sides of the support plate are fixedly connected with second hydraulic telescopic rods respectively, the top ends of the second hydraulic telescopic rods are clamped with lifting rods, the two lifting rods are connected through a lifting plate, and the lifting plate is clamped with the lifting rods. A first fixing groove and a second fixing groove are arranged on one side of the support plate, the first fixing groove is adapted to the lifting plate, and the second fixing groove is adapted to the lifting rod.

[0006] Preferably, sliding grooves are arranged on both sides of the bottom of the expansion platform, a positioning slider is movably connected to the inner cavity of the sliding groove, and the positioning slider is fixedly connected to the tail of the motorhome.

[0007] Preferably, one end of the first hydraulic telescopic rod is fixedly connected to the tail of the motorhome, a connecting block is fixedly connected to the end of the output shaft of the first hydraulic telescopic rod, and the connecting block is fixedly connected to the expansion platform.

[0008] Preferably, a clamping groove is provided on the connecting block, and a clamping block adapted to the clamping groove is fixed inside the top end of the support plate. When the clamping groove is clamped with the clamping block, the roller contacts the ground.

[0009] Preferably, slots are provided on both sides of one end of the lifting plate, an installation hole adapted to the second hydraulic expansion rod is provided at one end of the lifting rod, and a plug rod adapted to the slot is provided at the other end of the lifting rod.

[0010] Preferably, the storage box is adapted to the support lifting structure, and an anti-slip pattern is provided on the outer surface of the support lifting structure.

[0011] Compared with the prior art, the present utility model has the following beneficial effects:

[0012] 1. For the rear expansion platform mechanism of the RV, multiple modes can be switched at any time to adapt to various occasions and change the structure; it has high space utilization rate and is very suitable for being applied to the camper; the structure is simple, and the installation is convenient and fast; it is convenient to carry a variety of different functional modules.

[0013] 2. For the rear expansion platform mechanism of the RV, through the setting of the support lifting structure, a relatively heavy object can be automatically moved to a position flush with the top of the expansion platform, which is convenient for moving items up and down, improving the convenience of using the expansion platform. Moreover, the support lifting structure can be quickly assembled and disassembled, facilitating the storage and use of the support lifting structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a front view showing the support lifting structure of the present utility model supporting the expansion platform;

[0015] Figure 2 It is the structure of the present utility model Figure 1 Top view;

[0016] Figure 3 It is a schematic diagram showing the expansion platform of the present utility model installed at the rear of the RV floor;

[0017] Figure 4 It is the structure of the present utility model Figure 3 Explosion diagram;

[0018] Figure 5 It is a schematic diagram of the support lifting structure of the present utility model;

[0019] Figure 6 It is the structure of the present utility model Figure 5 Explosion diagram.

[0020] In the figure: 1, insertion rod; 2, expansion platform; 3, support plate; 4, second hydraulic telescopic rod; 5, roller; 6, lifting rod; 7, lifting plate; 8, first fixing groove; 9, second fixing groove; 10, clamping block; 11, storage box; 12, card slot; 13, connecting block; 14, slideway; 15, positioning slider; 16, first hydraulic telescopic rod. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] The present invention provides a rear expansion platform mechanism for a motorhome, including an expansion platform 2, a support and lifting structure, and a storage box 11. The expansion platform 2 and the storage box 11 are both arranged at the rear of the motorhome. The expansion platform 2 is arranged below the motorhome bed body, and the cavity between the expansion platform 2 and the motorhome bed body is a storage space for storing items. The storage box 11 is arranged at the bottom of the motorhome, and a first hydraulic telescopic rod 16 is fixedly connected to the tail of the motorhome floor. The other end of the first hydraulic telescopic rod 16 is fixedly connected to a connecting block 13, and the connecting block 13 is fixedly connected to the bottom of the expansion platform 2. Through the arrangement of the first hydraulic telescopic rod 16, the telescopic movement of the first hydraulic telescopic rod 16 can change the position of the connecting block 13 fixedly connected thereto. When the connecting block 13 moves, it can drive the expansion platform 2 fixedly connected thereto to move, and the expansion platform 2 can drive the items placed thereon to move, realizing the operation of moving the items from under the bed, which is convenient for the taking and placing of stored items.

[0023] A positioning slider 15 is fixedly connected to the tail of the motorhome floor. The outer ring of the positioning slider 15 is movably sleeved with a slideway 14. The top of the slideway 14 is fixedly connected to the bottom of the expansion platform 2, and slideways 14 are arranged on both sides of the bottom of the expansion platform 2. Through the arrangement of the positioning slider 15 and the slideway 14, the expansion platform 2 can be limited, and the friction when the expansion platform 2 moves can be reduced, which is convenient for the movement of the expansion platform 2.

[0024] The above-mentioned connecting block 13 is provided with a clamping groove 12. The supporting and lifting structure includes a supporting plate 3. Inside the top end of the supporting plate 3, a clamping block 10 adapted to the clamping groove 12 is fixedly connected. When the clamping block 10 is clamped with the clamping groove 12, the supporting plate 3 is connected to the connecting block 13, and the supporting plate 3 supports the connecting block 13. A roller 5 is movably connected to the bottom of the supporting plate 3. When the clamping groove 12 is clamped with the clamping block 10, the roller 5 contacts the ground. Through the arrangement of the supporting plate 3 and the roller 5, during the unfolding process of the expansion platform 2, the supporting plate 3 can support one end of the expansion platform 2 away from the RV, improving the stability of the expansion platform 2.

[0025] On both sides of one end of the supporting plate 3 away from the clamping block 10, second hydraulic expansion rods 4 are fixedly connected. The top ends of the second hydraulic expansion rods 4 are clamped with lifting rods 6. The two lifting rods 6 are connected by a lifting plate 7. Through the arrangement of the second hydraulic expansion rods 4, the expansion and contraction of the second hydraulic expansion rods 4 can change the height of the lifting rods 6. When the lifting rods 6 move, they can drive the lifting plate 7 to move. Furthermore, when the expansion platform mechanism is in use, heavier objects can be carried onto the expansion platform 2 by using the lifting plate 7 and the second hydraulic expansion rods 4, improving the convenience of the expansion platform structure during use.

[0026] On both sides of one end of the lifting plate 7, slot holes are provided. One end of the lifting rod 6 is provided with a mounting hole adapted to the second hydraulic expansion rod 4, and the other end of the lifting rod 6 is provided with a plug rod 1 adapted to the slot hole. Through the arrangement of the plug rod 1 and the slot hole, the lifting rod 6 and the lifting plate 7 can be quickly fixed or separated. Through the arrangement of the mounting hole, the lifting rod 6 and the second hydraulic expansion rod 4 can be quickly fixed or separated. Thus, when the mechanism is in use, the supporting and lifting structure is a split structure, which can be quickly assembled or disassembled, facilitating the storage and use of the supporting and lifting structure.

[0027] On one side of the supporting plate 3, a first fixing groove 8 and a second fixing groove 9 are provided. The first fixing groove 8 is adapted to the lifting plate 7, and the second fixing groove 9 is adapted to the lifting rod 6. The split lifting plate 7 can be clamped inside the inner cavity of the first fixing groove 8, and the split lifting rod 6 can be clamped inside the second fixing groove 9, reducing the floor area of the supporting and lifting structure and facilitating the storage of the supporting and lifting structure.

[0028] The outer surface of the supporting and lifting structure is provided with anti-slip lines. Through the arrangement of the anti-slip lines, it is convenient for the lifting rod 6 and the lifting plate 7 to be fixed or separated from the supporting plate 3. The storage box 11 is adapted to the supporting and lifting structure, and the supporting and lifting structure can be stored by using the storage box 11.

[0029] All the electrical components involved in this application are prior arts. Those skilled in the art understand their connection methods. Through those skilled in the art, all the electrical components in this application are connected to their adapted power sources through wires, and a suitable controller is selected according to the actual situation to meet the control requirements. For the specific connection and control sequence, please refer to the following description. The electrical connection is completed in the order of the working sequence of each electrical component. Its detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process, and no further description of electrical control will be made.

[0030] Next, through some embodiments of this application, this application will be further described.

[0031] Embodiment 1: The expansion mechanism is used for storage. A plurality of storage boxes are fixed on the top of the expansion platform 2 for storing items, and the suitcase can be directly placed on the expansion platform 2.

[0032] Embodiment 2: The expansion mechanism is used for storage and cooking. A refrigerator, cooking utensils and a detachable storage box are arranged on the top of the expansion platform 2, and the suitcase can be directly placed on the expansion platform 2.

[0033] Embodiment 3: The expansion mechanism is used for cooking. Cooking supplies such as kitchen utensils, seasonings and cookware are arranged on the top of one side of the expansion platform 2, and the top of the other end of the expansion platform 2 is empty.

[0034] When using Embodiments 1 to 3, an opening and closing door adapted to the expansion mechanism is provided at the rear of the RV. And the operation steps for expanding the expansion platform 2 are as follows: The user takes out the support lifting structure from the storage box 11, the user opens the opening and closing door, the first hydraulic expansion rod 16 extends, the first hydraulic expansion rod 16 pushes the expansion platform 2 to move outwards. When the connecting block 13 moves to the outside of the RV, the user engages the block 10 with the slot 12, and the support plate 3 supports the part of the expansion platform 2 exposed outside. When the first hydraulic expansion rod 16 continues to extend, the first hydraulic expansion rod 16 drives the expansion platform 2 to continue to move, and the expansion platform 2 drives the support plate 3 to move. When the expansion platform 2 in Embodiment 1 is expanded, the user can conveniently take the items in the storage box. When the expansion platform 2 in Embodiment 2 is expanded, it is convenient for the user to take items and the user can cook. When the expansion platform 2 in Embodiment 3 is used, it can be used for cooking. The empty space can be used to process food ingredients, and can also be used as a dining table after the food is processed, avoiding the fumes generated by cooking in the RV and providing a relatively spacious dining space.

[0035] When it is necessary to move heavy items onto the extended platform 2, the user assembles the lifting plate 7 and the lifting rod 6 so that the lifting rod 6 is clamped with the second hydraulic telescopic rod 4. The two lifting rods 6 are connected by the lifting plate 7. After the user places the heavy items on the lifting plate 7, the second hydraulic telescopic rod 4 extends. The second hydraulic telescopic rod 4 drives the lifting plate 7 to move upward through the lifting rod 6, and the lifting plate 7 drives the items to move upward until the top of the lifting plate 7 is flush with the top of the extended platform 2, which is convenient for the user to push the items onto the extended platform 2 and improves the convenience of using the extension mechanism.

[0036] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the descriptions in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A rear extension platform mechanism for a motorhome, comprising an extension platform (2), a support lifting structure, and a storage box (11), characterized in that: The expansion platform (2) and the storage box (11) are both arranged at the rear of the RV, and the expansion platform (2) is arranged below the RV bed. The cavity between the expansion platform (2) and the RV bed is a storage space. The expansion platform (2) is fixedly connected to the rear of the RV through a first hydraulic telescopic rod (16); the support and lifting structure includes a support plate (3). The support plate (3) is clamped with the expansion platform (2). A roller (5) is movably connected to the bottom of the support plate (3). Two second hydraulic telescopic rods (4) are fixedly connected to both sides of the support plate (3). A lifting rod (6) is clamped at the top end of the second hydraulic telescopic rod (4). The two lifting rods (6) are connected through a lifting plate (7). A first fixing groove (8) and a second fixing groove (9) are arranged on one side of the support plate (3). The first fixing groove (8) is adapted to the lifting plate (7), and the second fixing groove (9) is adapted to the lifting rod (6).

2. The rear expansion platform mechanism of a motorhome according to claim 1, characterized in that: Sliding grooves (14) are arranged on both sides of the bottom of the expansion platform (2). A positioning slider (15) is movably connected in the inner cavity of the sliding groove (14). The positioning slider (15) is fixedly connected to the rear of the RV.

3. The rear expansion platform mechanism of a motorhome according to claim 2, characterized in that: One end of the first hydraulic telescopic rod (16) is fixedly connected to the rear of the RV. A connecting block (13) is fixedly connected to the end of the output shaft of the first hydraulic telescopic rod (16). The connecting block (13) is fixedly connected to the expansion platform (2).

4. The rear expansion platform mechanism of a motorhome according to claim 3, characterized in that: A clamping groove (12) is arranged on the connecting block (13). A clamping block (10) adapted to the clamping groove (12) is fixed to the inner side of the top end of the support plate (3). When the clamping groove (12) is clamped with the clamping block (10), the roller (5) contacts the ground.

5. A rear expansion platform mechanism for a motorhome according to claim 1, characterized in that: Sockets are arranged on both sides of one end of the lifting plate (7). An installation hole adapted to the second hydraulic telescopic rod (4) is arranged at one end of the lifting rod (6). A plug rod (1) adapted to the socket is arranged at the other end of the lifting rod (6).

6. The tail expansion platform mechanism of a motorhome according to claim 1, characterized in that: The storage box (11) is adapted to the support and lifting structure. Anti-slip patterns are arranged on the outer surface of the support and lifting structure.