Hard jacking limo lifting device
Through the hard-top lifting RV lifting device, the hydraulic cylinder and guide slide rail are used to solve the inconvenience of RVs through height limiting rods and underground parking lots, and the driving stability and sealing are improved.
Patent Information
- Application Number
- CN202422342346.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-09-25
AI Technical Summary
Traditional RVs are limited to fixed body height when passing through height limit poles or entering underground parking lots, resulting in inconvenience. At the same time, the increase in body height reduces driving stability and increases the risk of rollover.
Design a hard-top lifting RV lifting device, including hydraulic cylinders and cylinder support seats, thickened edges of the top and bottom of the lifting car, installed guide sliders and slide rails, equipped with shock absorbing springs and impact absorption plates, ensuring stability and sealing of the lifting process.
The RV passes smoothly when passing through the height limit pole or underground parking lot, improves driving stability, reduces the risk of rollover, and ensures the smoothness and sealing of the lifting process.
Smart Images

Figure CN223058892U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of motorhomes, and particularly to a lifting device for a hard-top lifting motorhome. Background Art
[0002] Traditional motorhomes are often limited by their fixed body height and internal space layout in design, resulting in many inconveniences when passing through height limit bars, entering underground parking lots, etc. At the same time, the increase in the body height of the motorhome directly leads to the upward shift of the vehicle's center of gravity. When driving at high speeds or on complex road conditions, the increase in the center of gravity of the vehicle body will significantly reduce the driving stability of the vehicle and increase the risk of rollover or loss of control. Content of the Utility Model
[0003] In view of the above problems, the utility model proposes a lifting device for a hard-top lifting motorhome to solve the above problems.
[0004] In order to solve the above technical problems, the technical solution of the utility model is as follows.
[0005] The utility model provides a lifting device for a hard-top lifting motorhome, which is characterized in that it includes an original carriage, an upper lifting carriage, a middle lifting carriage, and a lower lifting carriage. The upper lifting carriage is fixed to the lifting roof, and the lower lifting carriage is fixed to the original roof. A power lifting mechanism is installed above the original roof. The power lifting mechanism includes a hydraulic cylinder and an oil cylinder support seat. The lifting carriage is equipped with guide sliders and guide rails. The thickness of the top edge of the lifting carriage is thickened outward by a certain distance, and the thickness of the bottom edge is thickened inward by a certain distance. Shock-absorbing springs and impact-absorbing plates are fixed above the thickened areas at the bottom edges of the upper lifting carriage and the middle lifting carriage.
[0006] Further, a plurality of uniformly distributed guide sliders are respectively installed inside the thickened areas at the bottom edges of the upper lifting carriage and the middle lifting carriage. A plurality of uniformly distributed guide rails are respectively installed outside the middle lifting carriage and the lower lifting carriage. The guide sliders are fixedly connected to the thickened areas at the bottom edges of the lifting carriage by screws, and the guide rails are fixedly connected to the lifting carriage by screws.
[0007] Further, the guide sliders installed in the thickened area at the bottom edge of the upper lifting carriage are connected to the guide rails installed outside the middle lifting carriage, and the guide sliders installed in the thickened area at the bottom edge of the middle lifting carriage are connected to the guide rails installed outside the lower lifting carriage.
[0008] Further, two rows of shock-absorbing springs are fixedly connected to the thickened area at the bottom edge of the lifting carriage, and the other ends of the two rows of shock-absorbing springs are fixedly connected to the impact-absorbing plate.
[0009] Further, the impact-absorbing plate is provided with a trapezoidal convex platform, and the thickened area at the top edge of the lifting carriage is provided with a trapezoidal groove.
[0010] Further, sealing rubber strips are fixedly connected above the impact absorption plate, below the lower side of the thickened area at the top edge of the lifting carriage, and below the thickened area at the bottom edge of the lifting carriage.
[0011] Further, the hydraulic cylinder is composed of a cylinder block and multiple piston rods, and the uppermost piston rod is fixedly welded to the top of the lifting roof.
[0012] Further, the lifting roof is provided with side plates, and the lifting roof and the side plates are integrally designed.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows.
[0014] 1. For the lifting device of a hard lifting roof RV of the present utility model, a shock-absorbing spring is fixed on the thickened area at the bottom edge of the lifting carriage. The shock-absorbing spring is connected to an impact absorption plate. When the guiding slider connected to one lifting carriage rises to the thickened area at the top edge of another lifting carriage, the shock-absorbing spring and the impact absorption plate achieve the effect of shock absorption and buffering, enabling the carriage to be lifted and lowered smoothly. Sealing rubber strips are installed above the impact absorption plate and at the thickened area at the top edge of the lifting carriage to ensure the sealing performance of the lifting carriage.
[0015] 2. For the lifting device of a hard lifting roof RV of the present utility model, the impact absorption plate is provided with a trapezoidal convex platform, and the thickened area at the top edge of the lifting carriage is provided with a trapezoidal groove. When the guiding slider connected to one lifting carriage rises to the thickened area at the top edge of another lifting carriage, the trapezoidal convex platform of the impact absorption plate cooperates with the trapezoidal groove of the thickened area at the top edge of the lifting carriage to play an auxiliary positioning role, ensuring that the lifting carriage will not shift. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is the overall structure diagram of the present utility model after the lifting carriage is fully raised.
[0017] Figure 2 It is the overall structure diagram of the present utility model after the lifting carriage is fully lowered.
[0018] Figure 3 It is a partial schematic diagram of the present utility model.
[0019] Wherein: 1, original carriage; 2, original roof; 3, lifting carriage; 301, upper lifting carriage; 302, middle lifting carriage; 303, lower lifting carriage; 304, thickened area at the top edge of the lifting carriage; 305, thickened area at the bottom edge of the lifting carriage; 4, lifting roof; 5, power lifting mechanism; 6, hydraulic cylinder; 601, piston rod; 602, cylinder block; 7, oil cylinder support seat; 8, guiding slider; 9, guiding slide rail; 10, shock-absorbing spring; 11, impact absorption plate; 12, sealing rubber strip. Embodiment
[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
[0021] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "middle", "lower", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, in the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0022] A lifting device for a hard top-lifting RV, as Figures 1 - 3 shown, includes an original carriage 1, an upper lifting carriage 301, a middle lifting carriage 302, a lower lifting carriage 303. The upper lifting carriage 301 is fixed to the lifting roof 4, and the lower lifting carriage 303 is fixed to the original roof 2. A power lifting mechanism 5 is installed above the original roof 2. The power lifting mechanism 5 includes a hydraulic cylinder 6 and an oil cylinder support seat 7. The thickness of the top edge of the lifting carriage 3 is thickened outward by a certain distance, and the thickness of the bottom edge is thickened inward by a certain distance. A guiding slide rail 9 is installed on the outside of the lifting carriage 3. A shock-absorbing spring 10 and a shock-absorbing plate 11 are fixed above the thickened area 302 of the bottom edge.
[0023] In the present utility model, in order to ensure a stable lifting process, four power lifting mechanisms 5 are provided, which are distributed at the four corners of the original roof 2. Six evenly distributed guiding sliders 8 are provided on the upper lifting carriage 301, six groups of evenly distributed guiding sliders 8 and guiding slide rails 9 are provided on the middle lifting carriage 302, and six evenly distributed guiding slide rails 9 are provided on the lower lifting carriage 303. The guiding sliders 8 are evenly distributed inside the thickened area 305 of the bottom edge of the lifting carriage, and the guiding slide rails 9 are evenly distributed on the outside of the lifting carriage 3. For two adjacent lifting carriages, the guiding sliders 8 installed on the thickened area 305 of the bottom edge of one lifting carriage are connected to the guiding slide rails 9 installed on the outside of the other lifting carriage 3.
[0024] In the present utility model, two rows of shock-absorbing springs 10 are fixedly connected to the thickened area 305 at the bottom edge of the lifting carriage. The other ends of the two rows of shock-absorbing springs 10 are fixedly connected to the shock-absorbing plate 11. The shock-absorbing plate 11 is provided with a trapezoidal boss. The thickened area 304 at the top edge of the lifting carriage is provided with a trapezoidal groove. When the guiding slider 8 connected to one lifting carriage 3 rises to the thickened area 304 at the top edge of another lifting carriage, the trapezoidal boss of the shock-absorbing plate 11 cooperates with the trapezoidal groove of the thickened area 304 at the top edge of the lifting carriage, achieving an auxiliary positioning effect and ensuring that the lifting carriage 3 will not shift.
[0025] In the present utility model, sealing rubber strips 12 are fixedly connected to the upper side of the shock-absorbing plate 11 and the lower side of the thickened area 304 at the top edge of the lifting carriage, ensuring the sealing effect after the lifting carriage 3 rises. A sealing rubber strip 12 is fixedly connected below the thickened area 305 at the bottom edge of the lifting carriage 3, ensuring the sealing effect after it descends.
[0026] In the present utility model, the hydraulic cylinder 6 is composed of a cylinder body 602 and multiple piston rods 601. The uppermost piston rod 601 is welded and fixed to the lifting roof 4.
[0027] In the present utility model, the lifting roof 4 is provided with side plates. The lifting roof 4 and the side plates are integrally designed. In the fully lowered state, it can effectively isolate the external environment and protect the power lifting mechanism 5, the lifting carriage 3, and the guiding slide rail 9.
[0028] The above is only the preferred embodiment of the present utility model, and it does not impose any formal restrictions on the structure of the present utility model. For those skilled in the art, various changes and modifications can be made to the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A lifting device for a hard top-lifting RV, comprising an original carriage (1), an original roof (2), and a lifting carriage (3). The lifting carriage (3) includes an upper lifting carriage (301), a middle lifting carriage (302), and a lower lifting carriage (303); the upper lifting carriage (301) is fixed to the lifting roof (4), and the lower lifting carriage (303) is fixed to the original roof (2); a power lifting mechanism (5) is installed above the original roof (2), and the power lifting mechanism (5) includes a hydraulic cylinder (6) and a cylinder support seat (7); characterized in that: The top edge thickness of the upper lifting carriage (301), the middle lifting carriage (302), and the lower lifting carriage (303) is thickened outward to form a top edge thickened area (304), and the bottom edge thickness is thickened inward to form a bottom edge thickened area (305); a shock-absorbing spring (10) and a shock-absorbing plate (11) are fixedly connected to the bottom edge thickened area (305) of the lifting carriage (3).
2. The lifting device for a hard top-lifting RV according to claim 1, wherein, A plurality of uniformly distributed guide sliders (8) are respectively installed inside the bottom edge thickened areas (305) of the upper lifting carriage (301) and the middle lifting carriage (302). The guide sliders (8) are fixedly connected to the bottom edge thickened area (305) of the lifting carriage by screws. A plurality of uniformly distributed guide rails (9) are respectively installed on the outer sides of the middle lifting carriage (302) and the lower lifting carriage (303). The guide rails (9) are fixedly connected to the lifting carriage (3) by screws. The guide sliders (8) installed in the bottom edge thickened area (305) of the upper lifting carriage (301) are connected to the guide rails (9) installed on the outer side of the middle lifting carriage (302), and the guide sliders (8) installed in the bottom edge thickened area (305) of the middle lifting carriage (302) are connected to the guide rails (9) installed on the outer side of the lower lifting carriage (303).
3. The lifting device for a hard top-lifting RV according to claim 1, wherein Two rows of shock-absorbing springs (10) are fixedly connected to the bottom edge thickened area (305) of the lifting carriage. The other ends of the two rows of shock-absorbing springs (10) are fixedly connected to the shock-absorbing plate (11).
4. The lifting device for a hard-top pop-up RV according to claim 1, wherein The shock-absorbing plate (11) is provided with a trapezoidal boss, and the top edge thickened area (304) of the lifting carriage is provided with a trapezoidal groove that meshes with the shock-absorbing plate (11).
5. The lifting device of a hard top-lifting RV according to claim 1, characterized in that, Sealing rubber strips (12) are fixedly connected above the shock-absorbing plate (11), below the top edge thickened area (304) of the lifting carriage, and the bottom edge thickened area (305) of the lifting carriage.