Double-layer floor structure for motor home

By incorporating sound and heat insulation layers into the double-layer floor structure of the RV and concealing them with access panels, the problems of equipment noise and heat transmission are solved, improving the RV's comfort and aesthetics.

CN224045283UActive Publication Date: 2026-03-27河南星辰汽车装备有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-20
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In existing RV double-floor structures, equipment noise and heat are easily transmitted, affecting the interior environment. Furthermore, the inspection ports are conspicuous, affecting aesthetics and taking up space.

Method used

A first sound insulation layer and a heat insulation pad are installed between the upper and lower floor layers, and a second sound insulation layer and a heat insulation pad are installed under the access cover. The sound insulation layer and the heat insulation pad absorb and block noise and heat, while the access cover is used for concealment.

Benefits of technology

It effectively isolates equipment noise and heat, maintains a comfortable interior environment, enhances aesthetics, and saves space.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224045283U_ABST
    Figure CN224045283U_ABST
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Abstract

The utility model relates to the technical field of motor home floors, and discloses a double-layer floor structure for a motor home, which comprises an upper floor and a lower floor, the lower surface of the upper floor and the upper surface of the lower floor are respectively provided with a first sound insulation layer, and a framework layer is arranged between the two sound insulation layers. Equipment noise can be absorbed and blocked through the first sound insulation layer, heat insulation is conducted through the first heat insulation pad, the access hole can be hidden through the access cover plate, so that the access hole is not conspicuous visually, the overall attractiveness of the motor home is kept, and noise and heat at the access hole can be blocked through the second sound insulation layer and the second heat insulation pad.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of house car floor, concretely to a double floor structure for house car. BACKGROUND

[0002] In the field of house car floor, it is mostly to use metal square tube welding to form frame structure to form frame body to heighten house car lower floor, or to form suspension beam on the upper part of chassis, but this way can cause the available space in the car to be limited, in order to consider the space problem of house car equipment layout, some double floor structures of house car appear.

[0003] Some double floor structures for house car on the market at present: for example, the utility model patent discloses a house car compartment floor nonmetallic double layer structure in authorized announcement No. CN212290047U, the utility model discloses a upper floor composite board and lower floor composite board are set up, and the skeleton layer is set up between the upper floor composite board and the lower floor composite board, the skeleton layer is set up with the partition assembly, and the skeleton layer is separated with the partition assembly and is used to install the installation space of equipment, but the noise and heat of the equipment installed in the skeleton layer can easily affect the people in the house car, and the setting of the more obvious access hole not only occupies the use area of house car, but also affects the overall appearance in vision, and the noise and heat are more easily transmitted through the access hole.

[0004] Therefore, we propose a double floor structure for house car to solve the problems in the above. UTILITY MODEL CONTENTS

[0005] The utility model discloses a double floor structure for house car, which solves the problems of the current double floor structures for house car, the upper floor composite board and the lower floor composite board are set up, the skeleton layer is set up between the upper floor composite board and the lower floor composite board, the partition assembly is set up in the skeleton layer, the skeleton layer is separated into several installation spaces for installing equipment through the partition assembly, but the noise and heat of the equipment installed in the skeleton layer can easily affect the people in the house car, and the setting of the more obvious access hole not only occupies the use area of house car, but also affects the overall appearance in vision, and the noise and heat are more easily transmitted through the access hole.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a double floor structure for house car, comprising: an upper floor and a lower floor, the lower surface of the upper floor and the upper surface of the lower floor are provided with a first sound insulation layer, a skeleton layer is arranged between the two first sound insulation layers, a maintenance cover plate is arranged on the upper floor, a pull ring and a control mechanism are arranged on the maintenance cover plate, and a second sound insulation layer is arranged on the lower surface of the maintenance cover plate.

[0007] Further, the first sound insulation layer and the upper floor are provided with the first heat insulation pad, and the first sound insulation layer and the lower floor are provided with the first heat insulation pad.

[0008] Further, the upper and lower surfaces of the first sound insulation layer are provided with the first sound insulation pad, and the upper and lower surfaces of the second sound insulation layer are provided with the second sound insulation pad.

[0009] Further, the framework layer comprises a plurality of partition plates and baffle plates, the partition plates are combined to form a device installation area, and the baffle plates are combined to form a pipeline channel.

[0010] Further, the first sound insulation layer comprises two first plate bodies, and a first honeycomb plate is arranged between the two first plate bodies; the second sound insulation layer comprises two second plate bodies, and a second honeycomb plate is arranged between the two second plate bodies.

[0011] Further, a hidden groove is arranged on the upper surface of the maintenance cover plate and is hingedly connected with a pull ring, and a ring-shaped plate is connected with the pull ring and is matched with the hidden groove; a first spring cavity and a second spring cavity are arranged in the maintenance cover plate, and a wire passing channel is arranged between the first spring cavity and the second spring cavity; the control mechanism comprises a first limiting plate and a second limiting plate, the first limiting plate is arranged in the first spring cavity, and a pressing column is arranged on the upper surface of the first limiting plate; a first compression spring is arranged between the lower surface of the first limiting plate and the inner bottom wall of the first spring cavity; the second limiting plate is arranged in the second spring cavity, and a top column is arranged on the upper surface of the second limiting plate; a second compression spring is arranged between the lower surface of the second limiting plate and the inner bottom wall of the second spring cavity; a pulling line is connected with the lower surface of the first limiting plate, and one end of the pulling line passes through the wire passing channel and is connected with the second limiting plate.

[0012] Further, an inspection hole is arranged on the upper surface of the upper floor, the inspection hole is matched with the maintenance cover plate, and a placing groove is arranged on the inner wall of the inspection hole and is close to the top; a side plate is connected with the maintenance cover plate and is close to the top, the side plate is matched with the placing groove, and a sealing rubber gasket is arranged in the placing groove.

[0013] The utility model discloses beneficial effect: through being provided with the first sound insulation layer on the lower surface of upper floor and the upper surface of lower floor, be provided with the framework layer between two sound insulation layers, be provided with the maintenance cover plate on the upper floor, be provided with the pull ring and control mechanism on the maintenance cover plate, and be provided with the second sound insulation layer on the maintenance cover plate lower surface, and be provided with the first heat insulation pad between the first sound insulation layer and upper floor, and be provided with the first heat insulation pad between the first sound insulation layer and lower floor, be provided with the second heat insulation pad between the second sound insulation layer and maintenance cover plate, can through the first sound insulation layer to the equipment noise is absorbed and is blocked, through the first heat insulation pad carries out the heat insulation, through the maintenance cover plate can make concealed treatment to the maintenance opening, makes it not conspicuous in vision, keeps the overall appearance of motor home, and through the second sound insulation layer and second heat insulation pad can the noise and heat of maintenance opening place carry out the block. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic drawing of the double floor structure for motor home of the utility model;

[0015] Figure 2 It is the first sectional structure schematic drawing of the double floor structure for motor home of the utility model;

[0016] Figure 3 It is the local structure A enlarged schematic drawing of the utility model Figure 2 ;

[0017] Figure 4 It is the local structure B enlarged schematic drawing of the utility model Figure 2 ;

[0018] Figure 5 It is the second sectional structure schematic drawing of the double floor structure for motor home of the utility model;

[0019] Figure 6 It is the maintenance cover plate structure schematic drawing of the double floor structure for motor home of the utility model;

[0020] Figure 7 It is the pull ring structure schematic drawing of the double floor structure for motor home of the utility model.

[0021] The name corresponding to each mark in the drawing:

[0022] 1. Upper floor; 2. Lower floor; 3. First sound insulation layer; 31. First panel; 32. First honeycomb panel; 4. Frame layer; 41. Partition plate; 42. Baffle; 43. Equipment installation area; 44. Pipeline channel; 5. Inspection cover plate; 51. Hidden groove; 52. First spring cavity; 53. Second spring cavity; 54. Cable passage; 6. Pull ring; 7. Control mechanism; 71. First limiting plate; 72. Second limiting plate; 73. Pressing column; 74. First compression spring; 75. Top column; 76. Second compression spring; 77. Pull wire; 8. Second sound insulation layer; 81. Second panel; 82. Second honeycomb panel; 9. First heat insulation pad; 10. Second heat insulation pad; 11. First sound insulation pad; 12. Second sound insulation pad; 13. Annular plate; 14. Side plate; 15. Sealing rubber gasket. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.

[0024] Embodiments of this utility model:

[0025] like Figures 1-7 As shown, this utility model provides a double-layer floor structure for RVs, including an upper floor 1 and a lower floor 2. A first sound insulation layer 3 is provided on the lower surface of the upper floor 1 and the upper surface of the lower floor 2. A frame layer 4 is provided between the two sound insulation layers. Bolt connectors are provided between the upper floor 1, the lower floor 2, and the frame layer 4. The bolt connectors penetrate the first sound insulation layer 3, allowing electrical equipment to be installed in the frame layer 4, thus reducing the space occupied inside the RV. An inspection cover 5 is provided on the upper floor 1, and an inspection port is opened on the upper surface of the upper floor 1. The inspection port is adapted to the inspection cover 5, and the inner wall of the inspection port is opened near the top. The inspection cover 5 is provided with a placement slot. A side plate 14 is connected to the side of the inspection cover 5 near the top. The side plate 14 is adapted to the placement slot. The inspection cover 5 can conceal the inspection port. The inspection cover 5 is provided with a pull ring 6 and a control mechanism 7. A second sound insulation layer 8 is provided on the lower surface of the inspection cover 5. The first sound insulation layer 3 includes two first plates 31, and a first honeycomb plate 32 is provided between the two first plates 31. Through this arrangement, the noise of the equipment is absorbed and blocked. The second sound insulation layer 8 includes two second plates 81, and a second honeycomb plate 82 is provided between the two second plates 81. Through this arrangement, the noise at the inspection port is blocked.

[0026] like Figures 1-3As shown, the first sound insulation layer 3 and the upper floor 1, and the first sound insulation layer 3 and the lower floor 2 are provided with the first heat insulation pad 9, the second sound insulation layer 8 and the maintenance cover plate 5 are provided with the second heat insulation pad 10, the heat of the electrical equipment is blocked by the first heat insulation pad 9 and the second heat insulation pad 10, and conduction through the upper floor 1 and the maintenance cover plate 5 is prevented to conduct in the motor home;

[0027] As shown, Figures 1-3 The upper and lower surfaces of the first sound insulation layer 3 are provided with the first sound insulation pad 11, and the upper and lower surfaces of the second sound insulation layer 8 are provided with the second sound insulation pad 12, and the sound insulation effect is further improved by the first sound insulation pad 11 and the second sound insulation pad 12.

[0028] As shown, Figure 5 The skeleton layer 4 includes a plurality of partition plates 41 and a plurality of baffle plates 42, the plurality of partition plates 41 are combined to form a device mounting area 43, and the plurality of baffle plates 42 form a pipeline passage 44, so that the device mounting and pipeline arrangement can be planned.

[0029] As shown, Figures 1-7 The sealing rubber ring 15 is arranged in the placing groove, the upper surface of the maintenance cover plate 5 is provided with the hidden groove 51 which is hingedly connected with the pull ring 6, the pull ring 6 is connected with the annular plate 13 which is matched with the hidden groove 51, the first spring cavity 52 and the second spring cavity 53 are arranged in the maintenance cover plate 5, the second spring cavity 53 is located below the hidden groove 51, the wire passing channel 54 is arranged between the first spring cavity 52 and the second spring cavity 53, the control mechanism 7 includes the first limiting plate 71 and the second limiting plate 72, the first limiting plate 71 is arranged in the first spring cavity 52, the upper surface of the first limiting plate 71 is provided with the pressing column 73, the first compression spring 74 is arranged between the lower surface of the first limiting plate 71 and the inner bottom wall of the first spring cavity 52, the second limiting plate 72 is arranged in the second spring cavity 53, the upper surface of the second limiting plate 72 is provided with the top column 75, the second compression spring 76 is arranged between the lower surface of the second limiting plate 72 and the inner bottom wall of the second spring cavity 53, and the spring coefficient of the first compression spring 74 is greater than that of the second compression spring 76, the lower surface of the first limiting plate 71 is connected with the pulling line 77, one end of the pulling line 77 passes through the wire passing channel 54 and is connected with the second limiting plate 72, through such arrangement, when the maintenance cover plate 5 needs to be opened to maintain the electrical equipment, the pressing column 73 only needs to be pressed, the first spring is compressed, the top column 75 moves upward under the action of the second compression spring 76, the pull ring 6 is pushed to rotate and is separated from the hidden groove 51, then the maintenance cover plate 5 can be opened through the pull ring 6, when the pressing column 73 is not pressed, the pressing column 73 is reset under the action of the first spring, the top column 75 is pulled back to the second spring cavity 53 through the pulling line 77, then the pull ring 6 can be reset to rotate and is put into the hidden groove 51, and the upper floor 1 is flat through the cooperation of the annular plate 13 and the hidden groove 51.

Claims

1. A double floor structure for a recreational vehicle, characterized by, include: The upper floor (1) and the lower floor (2) are provided with a first sound insulation layer (3) on the lower surface of the upper floor (1) and the upper surface of the lower floor (2). A skeleton layer (4) is provided between the two first sound insulation layers (3). An inspection cover (5) is provided on the upper floor (1). A pull ring (6) and a control mechanism (7) are provided on the inspection cover (5). A second sound insulation layer (8) is provided on the lower surface of the inspection cover (5).

2. The double floor structure for a recreational vehicle of claim 1, wherein: A first heat insulation pad (9) is provided between the first sound insulation layer (3) and the upper floor (1) and between the first sound insulation layer (3) and the lower floor (2), and a second heat insulation pad (10) is provided between the second sound insulation layer (8) and the inspection cover plate (5).

3. The double floor structure for a recreational vehicle of claim 1, wherein: The first sound insulation layer (3) has a first sound insulation pad (11) on its upper and lower surfaces, and the second sound insulation layer (8) has a second sound insulation pad (12) on its upper and lower surfaces.

4. The double floor structure for a recreational vehicle of claim 1, wherein: The skeleton layer (4) includes multiple partition plates (41) and baffles (42). The multiple partition plates (41) are spliced ​​together to form an equipment installation area (43), and the multiple baffles (42) form a pipeline channel (44).

5. The double floor structure for a recreational vehicle of claim 1, wherein: The first sound insulation layer (3) includes two first plates (31), and a first honeycomb plate (32) is disposed between the two first plates (31). The second sound insulation layer (8) includes two second plates (81), and a second honeycomb plate (82) is disposed between the two second plates (81).

6. The double floor structure for a recreational vehicle of claim 1, wherein: The inspection cover (5) has a hidden groove (51) hinged to the pull ring (6) on its upper surface, and an annular plate (13) adapted to the hidden groove (51) is connected to the pull ring (6). The inspection cover (5) has a first spring cavity (52) and a second spring cavity (53) inside, and a wire passage (54) is provided between the first spring cavity (52) and the second spring cavity (53). The control mechanism (7) includes a first limiting plate (71) and a second limiting plate (72). The first limiting plate (71) is disposed in the first spring cavity (52), and the upper surface of the first limiting plate (71) is provided with a hidden groove (51) hinged to the pull ring (6). There is a pressing column (73), a first compression spring (74) is provided between the lower surface of the first limiting plate (71) and the bottom wall of the first spring cavity (52), the second limiting plate (72) is provided in the second spring cavity (53), and a top column (75) is provided on the upper surface of the second limiting plate (72). A second compression spring (76) is provided between the lower surface of the second limiting plate (72) and the bottom wall of the second spring cavity (53). A pull line (77) is connected to the lower surface of the first limiting plate (71), and one end of the pull line (77) passes through the wire passage (54) and is connected to the second limiting plate (72).

7. The double floor structure for a recreational vehicle of claim 1, wherein: The upper surface of the upper floor (1) is provided with an access hole, the access hole is matched with an access cover plate (5), and the inner wall of the access hole is provided with a placing groove close to the top, the side of the access cover plate (5) is connected with a side plate (14) close to the top, the side plate (14) is matched with the placing groove, and a sealing rubber gasket (15) is arranged in the placing groove.

Citation Information

Patent Citations

  • Disclosed is non-metal double-layer structure of recreational vehicle compartment floor

    CN212290047U