Motor home extension device
By designing a RV expansion device including a support frame and panel, and using folding components and lifting components to achieve multi-functional space utilization, the problem of unreasonable utilization of the RV interior space is solved, and the utilization rate and convenience of use are improved.
Patent Information
- Application Number
- CN202421563278.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-03
AI Technical Summary
The use of the internal space of the RV is unreasonable, resulting in a small and cramped use space and the inability to effectively arrange living facilities and beds.
A RV expansion device is designed, consisting of a support frame and a panel. The support frame includes a lower fixing frame, an upper fixing frame, a right support frame and a left support frame. The panel includes a first panel, a second panel, a third panel and a fourth panel, and the expansion and folding states are converted through the folding assembly and the lifting assembly.
In the unfolded state, the panels are combined into the bed of the rest bed; in the folded state, the panels are converted into seats and tabletops, which improves the utilization rate of the space inside the RV, with a simple structure, reliable, easy to use, and strong practicality.
Smart Images
Figure CN222845230U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of recreational vehicles, in particular to a recreational vehicle expansion device. Background Art
[0002] With the development of economy and the improvement of people's living standards, traveling by RV has become a way of life. Due to the limitation of its own size, RV has high requirements for the utilization of its internal space. Irrational use of space will cause the problem of small and cramped space, which will bring inconvenience to people's travel life. For example, some RVs can only be equipped with limited living facilities and fewer beds, and the activity space is very limited.
[0003] In order to efficiently utilize the limited space inside an RV, the present invention provides an RV expansion device, which can be used as a dining table and chairs and a resting seat in an unfolded state, and can be used as a resting bed in a folded state, thereby improving space utilization, having excellent performance, simple and reliable structure, and strong practicality. Utility Model Content
[0004] In view of the technical problem that the interior space of a motorhome is limited, the utility model provides a motorhome expansion device, which is composed of a lower fixing frame, an upper fixing frame, a right supporting frame and a left supporting frame to form a supporting frame, which plays a supporting and fixing role; a first panel, a second panel, a third panel and a fourth panel are installed on the supporting frame, which can be used as a dining table and chairs and a resting seat in the unfolded state, and can be used as a resting bed in the folded state, thereby improving the utilization rate of the space, having a simple and reliable structure, being easy to use and having strong practicality.
[0005] To this end, the technical solution of the utility model is a motorhome expansion device, which includes a support frame and a panel, the support frame includes a lower fixed frame, an upper fixed frame, a right support frame, and a left support frame. The two sides of the lower fixed frame and the upper fixed frame are fixedly connected by the right support frame and the left support frame. The right support frame and the left support frame are symmetrical structures to each other. The panel is divided into a first panel, a second panel, a third panel and a fourth panel. The second panel and the third panel are connected to the right support frame and the left support frame through a folding assembly. The folding assembly includes a right folding plate and a left folding plate. The right folding plate is connected to the second panel, and the left folding plate is connected to the third panel. A right folding connecting piece is provided on the right folding plate, and a left folding connecting piece is provided on the left folding plate. The tops of the right folding connecting piece and the left folding connecting piece are rotatably connected through a rotating axis.
[0006] Furthermore, the upper end surface of the right support frame is divided into a first support surface, a second support surface and a third support surface. The first support surface is used to install the first panel and the second panel, the second support surface is used to install the third panel, and the third support surface is used to install the fourth panel. The height of the second support surface is lower than that of the first support surface.
[0007] Furthermore, the first panel, the second panel, the third panel and the fourth panel have the same structure, and all include a cushion layer and a bottom plate layer.
[0008] Furthermore, in the unfolded state, the first panel, the second panel, the third panel and the fourth panel are combined together to form a bed surface of the rest bed.
[0009] Furthermore, in the folded state, the first panel is a separate seat, the second panel and the third panel are respectively the backrest and the seat of another seat, and the fourth panel is used as a tabletop after being raised.
[0010] Furthermore, a folding rod is connected to the left folding plate, one end of the folding rod is connected to the middle position of the left folding plate, and the other end of the folding rod is connected to the right support frame or the left support frame. The folding rod is rotatably connected to the left folding plate, the right support frame, and the left support frame.
[0011] Furthermore, the folding pull rod comprises a first pull rod and a second pull rod, and an angle is provided between the first pull rod and the second pull rod.
[0012] Furthermore, a connecting rod support is provided below the right folding plate, the connecting rod support is fixedly connected to the right support frame or the left support frame, and the two sides of the connecting rod support are connected to the right folding plate through parallel connecting rods, and the parallel connecting rods are rotatably connected to the right folding plate and the connecting rod support.
[0013] Furthermore, a storage drawer is fixedly provided below the fourth panel, and the fourth panel is connected to the lower fixed frame through a lifting assembly, and the lifting assembly includes a support rod and a telescopic rod, and the telescopic rod slides inside the support rod.
[0014] Furthermore, a first lifting cylinder is provided below the fourth panel, and a second lifting cylinder is provided between the second panel and the lower fixing frame.
[0015] The beneficial effect of the utility model is that a RV expansion device is composed of a lower fixing frame, an upper fixing frame, a right supporting frame, and a left supporting frame to form a supporting frame, which plays a supporting and fixing role; the supporting frame is installed with a first panel, a second panel, a third panel, and a fourth panel, and in the unfolded state, the first panel, the second panel, the third panel, and the fourth panel are combined to form a bed surface of a rest bed; in the folded state, the first panel is a separate seat, the second panel and the third panel are respectively the backrest and the seat of another seat, and the fourth panel is used as a desktop after being raised. The utilization rate of the space in the RV is improved, the structure is simple, reliable, easy to use, and practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the utility model in an expanded state;
[0017] Figure 2 yes Figure 1 The main view;
[0018] Figure 3 It is a structural schematic diagram of the utility model in a folded state;
[0019] Figure 4 yes Figure 3 The main view;
[0020] Figure 5 It is a schematic diagram of the structure of the utility model after removing the panel;
[0021] Figure 6 is a structural schematic diagram of the right support frame;
[0022] Figure 7 It is a schematic diagram of the structure of the folding component;
[0023] Figure 8 yes Figure 7 main view.
[0024] Explanation of symbols in the figure:
[0025] 1. Lower fixing frame; 2. Upper fixing frame; 3. Right supporting frame; 31. First supporting surface; 32. Second supporting surface; 33. Third supporting surface; 4. Left supporting frame; 5. First panel; 6. Second panel; 7. Third panel; 8. Fourth panel; 9. Folding assembly; 91. Right folding plate; 9101. Right folding connecting piece; 92. Left folding plate; 9201. Left folding connecting piece; 93. Folding rod; 9301. First rod; 9302. Second rod; 94. Parallel connecting rod; 95. Connecting rod support; 10. Lifting assembly; 1001. Support rod; 1002. Telescopic rod; 11. Storage drawer. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0027] like Figure 1-Figure 8 As shown, the utility model provides a motorhome expansion device, which includes a lower fixing frame 1 and an upper fixing frame 2. The two sides of the lower fixing frame 1 and the upper fixing frame 2 are fixedly connected by a right supporting frame 3 and a left supporting frame 4. The lower fixing frame 1, the upper fixing frame 2, the right supporting frame 3, and the left supporting frame 4 constitute a supporting frame. A first panel 5, a second panel 6, a third panel 7, and a fourth panel 8 are installed on the supporting frame. The first panel 5, the second panel 6, the third panel 7, and the fourth panel 8 are combined together to form a bed surface of a rest bed.
[0028] The lower fixing frame 1 and the upper fixing frame 2 are aluminum alloy frames with a simple and light structure. The lower fixing frame 1 is fixedly connected to the floor inside the RV, and the upper fixing frame 2 is used to connect the right supporting frame 3 and the left supporting frame 4 to play a supporting and fixing role.
[0029] The right support frame 3 and the left support frame 4 are symmetrical structures. The upper end surface of the right support frame 3 is divided into a first support surface 31, a second support surface 32 and a third support surface 33. The first support surface 31 is used to install the first panel 5 and the second panel 6, the second support surface 32 is used to install the third panel 7, and the third support surface 33 is used to install the fourth panel 8. The height of the second support surface 32 is lower than the first support surface 31 to facilitate sitting down. The second support surface 32 is provided with an inclination angle with the horizontal plane to improve the comfort of the seat surface.
[0030] The first panel 5, the second panel 6, the third panel 7 and the fourth panel 8 have the same structure, and all include a cushion layer and a bottom plate layer. The cushion layer is used to ensure the comfort of the resting bed surface and the seat surface, and the bottom plate layer is used to fix and install the panels.
[0031] When the device is in the unfolded state, the first panel 5, the second panel 6, the third panel 7 and the fourth panel 8 are combined to form the bed surface of the rest bed. When the device is in the folded state, the first panel 5 is a separate seat, the second panel 6 and the third panel 7 are the backrest and the seat of another seat respectively, and the fourth panel 8 is used as a tabletop after being raised.
[0032] In order to realize the folding of the second panel 6 and the third panel 7, the second panel 6 and the third panel 7 are connected to the right support frame 3 and the left support frame 4 through a folding component 9. The folding component 9 includes a right folding plate 91 and a left folding plate 92. The right folding plate 91 is used to connect the second panel 6, and the left folding plate 92 is used to connect the third panel 7. A right folding connecting piece 9101 is provided on the right folding plate 91, and a left folding connecting piece 9201 is provided on the left folding plate 92. The right folding connecting piece 9101 is rotatably connected to the top of the left folding connecting piece 9201 through a rotating axis.
[0033] A folding rod 93 is connected to the left folding plate 92, one end of the folding rod 93 is connected to the middle position of the left folding plate 92, and the other end of the folding rod 93 is connected to the right support frame 3 or the left support frame 4. The folding rod 93 is rotatably connected to the left folding plate 92, the right support frame 3, and the left support frame 4. The folding rod 93 includes a first rod 9301 and a second rod 9302. An angle is provided between the first rod 9301 and the second rod 9302, and the angle is an obtuse angle.
[0034] A connecting rod support 95 is provided below the right folding plate 91, and the connecting rod support 95 is fixedly connected to the right support frame 3 or the left support frame 4. Both sides of the connecting rod support 95 are connected to the right folding plate 91 through parallel connecting rods 94, and the parallel connecting rods 94 are rotatably connected to the right folding plate 91 and the connecting rod support 95. When the device is in the unfolded state, the parallel connecting rods 94 are in a vertically upward state, and the parallel connecting rods 94 make up for the height difference between the first supporting surface 31 and the second supporting surface 32. When the device is in the folded state, the parallel connecting rods 94 are in an inclined state, the parallel connecting rods 94 are not subjected to force, and the third panel 7 is placed on the second supporting surface 32.
[0035] The fourth panel 8 is used as a desktop after being raised. A storage drawer 11 is fixedly provided below the fourth panel 8. The fourth panel 8 is connected to the lower fixed frame 1 through a lifting assembly 10. The lifting assembly 10 includes a support rod 1001 and a telescopic rod 1002. The telescopic rod 1002 slides inside the support rod 1001 to achieve a telescopic action.
[0036] In order to realize the automation of unfolding and folding of the device, a first lifting cylinder is provided under the fourth panel 8 for controlling the lifting of the fourth panel 8, and a second lifting cylinder is provided between the second panel 6 and the lower fixed frame 1 for folding and unfolding the second panel 6 and the third panel 7.
[0037] The utility model provides a motorhome expansion device, which is composed of a lower fixing frame 1, an upper fixing frame 2, a right supporting frame 3, and a left supporting frame 4 to form a supporting frame, which plays a supporting and fixing role; a first panel 5, a second panel 6, a third panel 7, and a fourth panel 8 are installed on the supporting frame. In the unfolded state, the first panel 5, the second panel 6, the third panel 7, and the fourth panel 8 are combined together to form a bed surface of a rest bed; in the folded state, the first panel 5 is a separate seat, the second panel 6 and the third panel 7 are respectively the backrest and the seat of another seat, and the fourth panel 8 is used as a desktop after being raised. The utilization rate of the space in the motorhome is improved, the structure is simple, reliable, easy to use, and practical.
[0038] However, the above is only a specific embodiment of the present invention, and should not be used to limit the scope of implementation of the present invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the scope of protection of the patent of the present invention should still fall within the scope covered by the claims of the present invention.
Claims
1. A motorhome expansion device, characterized in that: The invention comprises a support frame and a panel, wherein the support frame comprises a lower fixing frame, an upper fixing frame, a right supporting frame and a left supporting frame, the two sides of the lower fixing frame and the upper fixing frame are fixedly connected by a right supporting frame and a left supporting frame, the right supporting frame and the left supporting frame are symmetrical structures to each other, the panel is divided into a first panel, a second panel, a third panel and a fourth panel, the second panel and the third panel are connected to the right supporting frame and the left supporting frame through a folding component, the folding component comprises a right folding plate and a left folding plate, the right folding plate is connected to the second panel, the left folding plate is connected to the third panel, a right folding connecting piece is provided on the right folding plate, a left folding connecting piece is provided on the left folding plate, and the tops of the right folding connecting piece and the left folding connecting piece are rotatably connected through a rotating shaft.
2. A motorhome expansion device according to claim 1, characterized in that: The upper end surface of the right support frame is divided into a first support surface, a second support surface and a third support surface. The first support surface is used to install the first panel and the second panel, the second support surface is used to install the third panel, and the third support surface is used to install the fourth panel. The height of the second support surface is lower than that of the first support surface.
3. A motorhome expansion device according to claim 2, characterized in that: The first panel, the second panel, the third panel and the fourth panel have the same structure and all include a cushion layer and a bottom plate layer.
4. A motorhome expansion device according to claim 3, characterized in that: In the unfolded state, the first panel, the second panel, the third panel and the fourth panel form a bed surface of the rest bed.
5. A motorhome expansion device according to claim 4, characterized in that: In the folded state, the first panel is a separate seat, the second panel and the third panel are respectively the backrest and the seat of another seat, and the fourth panel is used as a tabletop after being raised.
6. The RV expansion device according to claim 1, characterized in that: A folding rod is connected to the left folding plate, one end of the folding rod is connected to the middle position of the left folding plate, and the other end of the folding rod is connected to the right support frame or the left support frame. The folding rod is rotatably connected to the left folding plate, the right support frame, and the left support frame.
7. A motorhome expansion device according to claim 6, characterized in that: The folding pull rod comprises a first pull rod and a second pull rod, and an angle is arranged between the first pull rod and the second pull rod.
8. A motorhome expansion device according to claim 7, characterized in that: A connecting rod support is provided below the right folding plate, and the connecting rod support is fixedly connected to the right support frame or the left support frame. Both sides of the connecting rod support are connected to the right folding plate through parallel connecting rods, and the parallel connecting rods are rotatably connected to the right folding plate and the connecting rod support.
9. The RV expansion device according to claim 1, characterized in that: A storage drawer is fixedly provided below the fourth panel. The fourth panel is connected to the lower fixing frame via a lifting assembly. The lifting assembly comprises a support rod and a telescopic rod. The telescopic rod slides inside the support rod.
10. A motorhome expansion device according to claim 9, characterized in that: A first lifting cylinder is provided below the fourth panel, and a second lifting cylinder is provided between the second panel and the lower fixing frame.