Expansion box device suitable for vehicle tail door

Abstract

The utility model discloses an expansion box device suitable for a vehicle tail door, which comprises a carriage (1a), a carriage chassis and the vehicle tail door (1b), and further comprises a trunk (2) which is attached to the outer side of the vehicle tail door (1b) and is opened and closed along with the vehicle tail door. The utility model is applicable to the motor home with the tail door, the expansion box can be opened and closed along with the tail door, the normal opening and closing of the tail door are not influenced, and the strength of the tail door is not influenced; and meanwhile, a vehicle tail balcony, a hanging frame for hanging tires and a storage box are further provided, the storage space of the motor home is greatly increased, and the use experience feeling of the motor home is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle equipment especially to a kind of extension box device suitable for tail door. BACKGROUND

[0002] Modern people advocate freedom and close to nature, like driving motor home to travel everywhere. The existing motor home is limited by size, and the interior space is small, which brings many inconveniences and regrets to users.

[0003] To solve the problem of small space in the carriage, many motor homes are installed with luggage boxes at the tail. Since the tail door is made of iron material, the strength is poor, so the above scheme is only applicable to motor homes without tail doors.

[0004] Therefore, to provide an extension box device applicable to tail door is a technical problem to be solved in the industry. INVENTION CONTENTS

[0005] In order to solve the above-mentioned defects existing in the prior art, the utility model provides an extension box device suitable for tail door.

[0006] The utility model adopts the technical scheme of designing an extension box device suitable for tail door, which comprises a carriage, a carriage chassis and a tail door. It further comprises a luggage box attached to the outer side of the tail door and opened and closed together with the tail door.

[0007] Optionally, a frame-shaped mounting bracket is provided between the luggage box and the outer side wall of the tail door. The luggage box is fixed on the mounting bracket. The mounting bracket is hinged to the door frame of the tail door through a hinge. At least one fixing seat is provided between the mounting bracket and the outer side wall of the tail door. The fixing seat is fixedly connected to the outer side wall of the tail door and the mounting bracket at both ends.

[0008] Optionally, a lifting lug is provided between the mounting bracket and the hinge. The lifting lug comprises a hinge mounting portion and a bracket mounting portion perpendicular to each other. The bracket mounting portion is fixedly connected to the mounting bracket. At least two screw holes are provided on the hinge mounting portion. The hinge mounting portion is clamped between the hinge and the tail door. A mounting screw passes through the hinge and the screw hole and is screwed with the tail door to fix the hinge, the lifting lug, the mounting bracket and the tail door together.

[0009] Optionally, the extension box device further comprises a tail balcony. The luggage box is located at the upper part of the outer wall of the tail door. The tail balcony is located at the lower part of the outer wall of the tail door. A pushing device is provided between the bottom end of the tail balcony and the carriage chassis. Under the pushing of the pushing device, the tail balcony is retracted and attached to the tail door, or the tail balcony is lowered and kept horizontal with the ground.

[0010] Optionally, the pushing device comprises at least two sets, and the two sets of pushing devices are respectively arranged on the left and right sides of the carriage chassis, each set of pushing device comprises a rocker arm, two wall plates and a push rod, one end of the push rod is arranged on the carriage chassis, the other end of the push rod extends to the lower side of the rear balcony, and the other end of the push rod is hinged to the swing shaft on the rocker arm; the wall plate is long strip-shaped, is horizontally arranged on the carriage chassis, and the outer end of the wall plate extends to the lower side of the rear balcony; the two wall plates clamp the push rod from the left and right sides, and the outer ends of the two wall plates are hinged to the fixed shaft on the rocker arm from the left and right sides; the rocker arm is long strip-shaped, one end of the rocker arm is fixed to the bottom end of the rear balcony, the swing shaft is arranged at the other end of the rocker arm, and the fixed shaft is arranged at the middle of the rocker arm; and the push rod is a hydraulic rod or an electric rod.

[0011] Optionally, a top plate and a bottom plate are arranged between the two wall plates, the top plate is connected to the top of the two wall plates, and the bottom plate is connected to the bottom of the two wall plates; a plurality of lightening holes or lightening windows are arranged in the wall plate, the top plate and the bottom plate.

[0012] Optionally, a hanging rack for hanging tires and bicycles is arranged on the outer side of the rear balcony.

[0013] Optionally, a storage box is arranged on the outer side of the rear balcony.

[0014] Optionally, the bottom end of the rear balcony extends downward in a rear direction of the rear end of the vehicle and extends a transversely arranged anti-collision rod.

[0015] Optionally, the rear door comprises two doors that can be opened leftward and rightward, the mounting bracket comprises two mounting brackets that can be opened leftward and rightward, the two mounting brackets are hinged to the left and right door frames of the rear door respectively, and the luggage box comprises two luggage boxes that are fixed to the two mounting brackets respectively.

[0016] The beneficial effects of the technical scheme provided by the utility model are as follows:

[0017] The utility model can be applied to the motor home with a rear door, the expansion box can be opened and closed with the rear door, does not affect the normal opening and closing of the rear door, and does not affect the strength of the rear door; meanwhile, the rear balcony, the hanging rack for hanging tires and the storage box are provided, the storage space of the motor home is greatly increased, and the use experience of the motor home is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be described in detail in combination with embodiments and drawings, and the drawings are as follows:

[0019] Figure 1 is the perspective view of the closed luggage box and the erected rear balcony;

[0020] Figure 2 is the perspective view of the closed luggage box and the flat rear balcony;

[0021] Figure 3 is a perspective view of the vehicle tail with the trunk and the tail balcony removed;

[0022] Figure 4 is a perspective view of the tail balcony in the upright position;

[0023] Figure 5 is a perspective view of the tail balcony in the flat position;

[0024] Figure 6 is a side view of the tail balcony in the upright position;

[0025] Figure 7 is a side view of the tail balcony in the flat position;

[0026] Figure 8 is an assembly view of the hinge, the hanger and the mounting bracket;

[0027] Figure 9 is a perspective view of the hanger;

[0028] Figure 10 is a perspective view of the pusher device.

[0029] Reference numerals in the drawings:

[0030] carriage (1a), tail door (1b), trunk (2), mounting bracket (3), hinge (4), fixed seat (5), hanger (6), hinge mounting portion (6a), bracket mounting portion (6b), screw hole (6c), tail balcony (7), pusher device (8), rocker arm (8a), wall plate (8b), push rod (8c), swing shaft (8d), fixed shaft (8e), top plate (8f), bottom plate (8g), storage box (9), anti-collision rod (10), tire (11). DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and are not used to limit the present application.

[0032] The present application discloses a kind of expansion box device suitable for tail door, referring to Figure 1 the preferred embodiment shown, expansion box device includes carriage 1a, carriage chassis, tail door 1b, and the trunk 2 attached to the outside of tail door 1b, with tail door together open and close. Expansion box can be opened and closed with tail door, without affecting the normal opening and closing of tail door, also will not affect the strength of tail door, greatly increase the storage space of motor home.

[0033] Because the tail door 1b is made of iron sheet, the strength is relatively low, so the luggage box 2 cannot be directly installed on the tail door 1b. Referring to Figure 3 The tail door is shown in the figure, and the structure of the mounting bracket 3 can be clearly seen. In the preferred embodiment, the mounting bracket 3 is provided between the luggage box 2 and the outer wall of the tail door 1b, the luggage box 2 is fixed on the mounting bracket 3, the mounting bracket 3 is hinged to the door frame of the tail door through the hinge 4, and at least one fixing seat 5 is provided between the mounting bracket 3 and the outer wall of the tail door 1b; in Figure 3 In the shown embodiment, there are 6 fixing seats 5. The fixing seat 5 is fixedly connected to the outer wall of the tail door 1b and the mounting bracket 3 at both ends. It should be pointed out that in order to facilitate manufacturing and reduce weight, the mounting bracket 3 is a round hollow pipe and is manufactured into a rectangular frame structure. The mounting bracket 3 is hinged to the door frame of the tail door through the hinge 4, which can realize opening and closing together with the tail door and will not hang on the tail door 1b to reduce the strength of the tail door 1b.

[0034] In order to ensure that the mounting bracket 3 (also the luggage box 2) and the tail door 1b can be opened synchronously, in the preferred embodiment, the mounting bracket 3 and the tail door 1b share the hinge 4. Referring to Figure 8 The shown assembly diagram of the hinge, the lifting lug and the mounting bracket, and Figure 9 The shown lifting lug is shown in the figure. The mounting bracket 3 is provided with a lifting lug 6 between the hinge 4, the lifting lug 6 includes a hinge mounting portion 6a and a bracket mounting portion 6b perpendicular to each other, and the bracket mounting portion 6b is fixedly connected to the mounting bracket 3; at least two screw holes 6c are provided on the hinge mounting portion 6a, the hinge mounting portion 6a is clamped between the hinge 4 and the tail door 1b, the mounting screw passes through the hinge 4 and the screw hole 6c and is screwed with the tail door 1b to fix the hinge 4, the lifting lug 6, the mounting bracket 3 and the tail door 1b together. It should be pointed out that in the preferred embodiment, the mounting bracket 3 is a round pipe, so Figure 9 The bracket mounting portion 6b in the figure is an arc-shaped groove.

[0035] In order to expand the function of the expansion box device, in the preferred embodiment, the expansion box device further includes a tail door balcony 7, the luggage box 2 is located at the upper part of the outer wall of the tail door 1b, the tail door balcony 7 is located at the lower part of the outer wall of the tail door 1b, and the bottom end of the tail door balcony 7 is provided with a pushing device 8 between the bottom of the car body and the tail door 1b; under the pushing of the pushing device 8, the tail door balcony 7 is retracted and attached to the tail door 1b, or the tail door balcony 7 is lowered and kept horizontal with the ground.

[0036] Figure 1 The shown figure shows that the luggage box is closed and the tail door balcony is erected, Figure 2The luggage compartment is closed, and the back balcony is flat. When the vehicle is running, the luggage compartment can be closed, and the back balcony is erected, which does not affect the normal driving of the vehicle. When reaching the campsite, the back balcony 7 can be flattened, and people can move and rest on the back balcony 7. In this way, the use area of the motor home can be expanded.

[0037] In the preferred embodiment, the pushing device 8 includes at least two sets, which are respectively installed on the left and right sides of the vehicle chassis. In this way, the pushing is more balanced, and the load capacity is strong. Combined with Figure 4 The back balcony is erected, and the back balcony is flat. Figure 5 The back balcony is flat, and the back balcony is flat. Figure 6 The back balcony is erected, and the back balcony is flat. Figure 7 The back balcony is flat, and the back balcony is flat. Each set of pushing device 8 includes a rocker arm 8a, two wallboards 8b and a push rod 8c, wherein one end of the push rod 8c is installed on the vehicle chassis, and the other end extends below the back balcony 7 and is hinged with the swing shaft 8d on the rocker arm 8a; the wallboard 8b is long strip-shaped, horizontally installed on the vehicle chassis, and the outer end extends below the back balcony 7, the two wallboards 8b sandwich the push rod 8c from left and right, and the outer ends of the two wallboards 8b are hinged with the fixed shaft 8e on the rocker arm 8a from left and right; the rocker arm 8a is long strip-shaped, one end of which is fixed at the bottom end of the back balcony 7, the other end of which is provided with the swing shaft 8d, and the middle part is provided with the fixed shaft 8e; the push rod 8c adopts a hydraulic rod or an electric rod. Figure 6 For example, when the push rod 8c is extended, the push rod 8c pushes the rocker arm 8a to rotate left around the fixed shaft 8e, and the back balcony 7 is erected and attached to the back door 1b. For example, Figure 7 When the push rod 8c is retracted, the push rod 8c pulls the pushing rocker arm 8a to rotate right around the fixed shaft 8e, and the back balcony 7 is flattened, and people can move on the back balcony 7.

[0038] It should be noted that Figure 4 And Figure 5 In the embodiment shown, only the frame and beam structure of the back balcony 7 inside the back balcony 7 is drawn, and the panel is attached to both sides of the frame and beam to become a complete back balcony 7, as Figure 2 The schematic diagram is shown.

[0039] Referring to Figure 10The push device is shown in a perspective view. In the preferred embodiment, a top plate 8f is connected to the top of the two wall plates 8b, and a bottom plate 8g is connected to the bottom of the two wall plates 8b. The wall plates 8b, the top plate 8f and the bottom plate 8g thus form a box with open ends, which greatly improves the strength of the push device 8. In the preferred embodiment, the wall plates 8b, the top plate 8f and the bottom plate 8g are provided with a plurality of lightening holes or lightening windows to reduce the weight of the push device 8.

[0040] In the preferred embodiment, the outer side of the rear balcony 7 is provided with a hanging rack for suspending a tire 11 and a bicycle. The outer side of the rear balcony 7 is provided with a storage box 9. In the preferred embodiment, the tire 11 and the storage box 9 are arranged in the same row. Figure 1

[0041] Referring to Figure 1 and Figure 2 In the shown embodiment, the bottom end of the rear balcony 7 is inclined downwardly and extends rearwardly to form a transversely arranged anti-collision rod 10.

[0042] In the preferred embodiment, the rear door 1b comprises two doors which can be opened leftwardly and rightwardly, and the mounting bracket 3 also comprises two mounting brackets 3 which can be opened leftwardly and rightwardly. The two mounting brackets 3 are respectively hingedly connected to the left and right door frames of the rear door 1b, and the luggage box 2 is also provided with two luggage boxes 2 which are respectively fixed to the two mounting brackets 3. When the rear door 1b is opened, the rear balcony 7 is first laid flat, and then the rear door 1b is opened leftwardly and rightwardly.

[0043] The above embodiments are only illustrative and not restrictive. Any equivalent modification or change made to the embodiments without departing from the spirit and scope of the present application shall be included in the scope of the claims of the present application.​

Claims

1. An extension box device suitable for a tailgate, comprising a vehicle compartment (1a), a vehicle compartment chassis, a tailgate (1b), characterized in that: The luggage box (2) is fixed on the mounting bracket (3) and the mounting bracket (3) is hinged on the door frame of the tail door through the hinge (4).

2. The device according to claim 1, characterized in that: The mounting bracket (3) and the hinge (4) are provided with a lifting lug (6), the lifting lug (6) comprises a hinge mounting portion (6a) and a bracket mounting portion (6b) perpendicular to each other, wherein 3. The tonneau cover assembly of claim 2, wherein: The bracket mounting portion (6b) is fixedly connected with the mounting bracket (3); The hinge mounting portion (6a) is provided with at least two screw holes (6c), the hinge mounting portion (6a) is clamped between the hinge (4) and the tail door (1b), the mounting screw passes through the hinge (4) and the screw hole (6c) and is screwed with the tail door (1b) to fix the hinge (4), the lifting lug (6), the mounting bracket (3) and the tail door (1b) together. The tail balcony (7) is located at the lower part of the outer wall of the tail door (1b), and the push device (8) is arranged between the bottom end of the tail balcony (7) and the vehicle compartment chassis.

4. The tonneau cover assembly of claim 2, wherein: Under the pushing of the push device (8), the tail balcony (7) is retracted and attached to the tail door (1b), or the tail balcony (7) is lowered and kept horizontal with the ground. The push device (8) comprises at least two sets, and the two sets of push devices (8) are respectively located on the left and right sides of the vehicle compartment chassis.

5. The tonneau cover assembly of claim 4, wherein: One end of the push rod (8c) is installed on the vehicle compartment chassis, and the other end extends below the tail balcony (7) and is hinged with the swing shaft (8d) on the rocker arm (8a). The wall plate (8b) is long and horizontally installed on the vehicle compartment chassis, and the outer end extends below the tail balcony (7), the two wall plates (8b) clamping the push rod (8c) from the left and right sides, and the outer ends of the two wall plates (8b) are hinged with the fixed shaft (8e) on the rocker arm (8a) from the left and right sides. The rocker arm (8a) is long, one end of which is fixed to the bottom end of the tail balcony (7), the other end of which is provided with the swing shaft (8d), and the middle part of which is provided with the fixed shaft (8e). The push rod (8c) is a hydraulic rod or an electric rod. The top plate (8f) and the bottom plate (8g) are arranged between the two wall plates (8b), the top plate (8f) is connected to the top of the two wall plates (8b), and the bottom plate (8g) is connected to the bottom of the two wall plates (8b); the wall plate (8b), the top plate (8f) and the bottom plate (8g) are provided with a plurality of lightening holes or lightening windows.

6. The tonneau cover assembly of claim 5, wherein: The outer side of the tail balcony (7) is provided with a hanging rack for suspending tires (11) and bicycles.

7. The tonneau cover assembly of claim 5, wherein: ​ 8. The tonneau cover assembly of claim 5, wherein: The outer side of the tail platform (7) is provided with a storage box (9).

9. The device according to claim 4, wherein: The bottom end of the tail platform (7) is inclined downward to the rear direction of the tail, and a transversely arranged anti-collision rod (10) is extended.

10. A tonneau cover arrangement for a vehicle as claimed in any one of claims 2 to 9, wherein: The tail door (1b) comprises two doors which can be opened leftward and rightward, the mounting bracket (3) also comprises two mounting brackets (3) which can be opened leftward and rightward, the two mounting brackets (3) are respectively hinged to the left and right door frames of the tail door, and the luggage box (2) also comprises two luggage boxes (2) which are respectively fixed to the two mounting brackets (3).

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