Backpack type multifunctional trunk and motor home

By designing a load-back multi-purpose trunk, the lower trunk can be expanded and flattened by using articulated and push rod devices, and combining traction and locking device to achieve flexible use of upper and lower trunks, solving the existing rear trunks. The single function and inconvenient access provide greater storage space and a convenient user experience.

CN222157303UActive Publication Date: 2024-12-13WUHU ZHIHENG AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202421045909.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2024-12-13
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

The existing rear trunk has a single function and is inconvenient to store and access items. The upper trunk on the rear trunk is higher from the ground, which affects the user experience.

Method used

Design a load-back multi-purpose trunk, including a lower suitcase and an upper suitcase. The lower suitcase can be expanded and flat or closed vertically attached to the rear side wall of the car, and the upper suitcase can be Keep it vertically, combining the traction device and the locking pin device to achieve flexible use of the upper and lower trunks.

Benefits of technology

It greatly increases storage space and is more convenient to use. The trunk of the car can be attached to the rear of the car without affecting driving. The lower suitcase can be used as a terrace, and the upper suitcase can be used as a balcony railing and tables and stools, improving the convenience of travel and life .

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Abstract

The backpack type multifunctional trunk comprises a lower-layer trunk and an upper-layer trunk which are hinged to each other, a push rod device is arranged between the bottom of the lower-layer trunk and the bottom of a carriage, and the two ends of the push rod device are hinged to the bottom of the lower-layer trunk and the bottom of the carriage respectively. Under the extension and contraction action of the push rod device, the lower-layer luggage case can be unfolded and laid flat or folded to be vertically attached to the side wall of the tail part of the carriage; traction devices are arranged between the two sides of the upper-layer luggage case and the two side walls of the carriage, and when the lower-layer luggage case is unfolded to be flat or folded to be vertical, the traction devices pull the upper-layer luggage case to enable the upper-layer luggage case to be always kept vertical; the trunk can be attached to the side wall of the tail of the compartment, normal running of the vehicle is not affected, the trunk can be overturned and unfolded after arriving at a camp, and people can conveniently store and take articles in the trunk on the upper layer; meanwhile, the lower-layer luggage case can be used as a terrace when being flatly placed, and the upper-layer luggage case can be used as a balcony handrail, a table and a stool when being vertically placed, so that great life convenience is brought to travelers.
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Description

Technical Field

[0001] The utility model relates to vehicle equipment, in particular to a backpack-type multifunctional vehicle trunk and a motorhome. Background Art

[0002] Modern people advocate freedom and closeness to nature, and like to travel around in RVs. Existing RVs are limited by size, and the interior is relatively narrow. In order to carry more luggage, people will install a luggage box at the rear of the car. However, the existing luggage box at the rear of the car has the following defects: 1. The luggage box at the upper level of the rear of the car is high above the ground, which makes it very inconvenient to store and retrieve items. 2. The luggage box at the rear of the car has a single function and can only be used as a luggage box without other functions. Utility Model Content

[0003] In order to solve the above-mentioned defects existing in the prior art, the utility model proposes a backpack-type multifunctional trunk and a motorhome.

[0004] The technical solution adopted by the utility model is to design a backpack-type multifunctional trunk, which comprises a lower luggage box and an upper luggage box, wherein the lower edge of the upper luggage box is hinged to the upper edge of the lower luggage box; a push rod device is provided between the bottom of the lower luggage box and the bottom of the compartment, and the two ends of the push rod device are respectively hinged to the bottom of the lower luggage box and the bottom of the compartment, and under the extension and contraction of the push rod device, the lower luggage box can be unfolded and flattened or folded and vertically attached to the side wall of the rear part of the compartment; a traction device is provided between the two sides of the upper luggage box and the two side walls of the compartment, and when the lower luggage box is unfolded and flattened or folded and vertically, the traction device pulls the upper luggage box to keep the upper luggage box vertically all the time.

[0005] Optionally, the pushing rod device includes a front support, a rear support, a pushing rod and a ram horn connecting seat, wherein the ram horn connecting seat is fixed to the bottom of the lower luggage box, the front support is fixed to the bottom of the carriage and close to the ram horn connecting seat, the rear support is fixed to the bottom of the carriage and far from the ram horn connecting seat, the upper end hinge point of the ram horn connecting seat is hinged to the front support, and the lower end hinge point of the ram horn connecting seat is hinged to the rear support.

[0006] Preferably, there are two sets of push rod devices, which are respectively installed at the left and right ends of the bottom of the lower luggage compartment; the push rod is one of an oil pressure push rod, a pneumatic push rod or an electric push rod.

[0007] Preferably, the traction device includes a steel cable and a winch, the winch is installed at the rear of the car and at an upper position, one end of the steel cable is wound around the winch, and the other end is fixed to the inner side of the upper luggage box facing the rear of the car; there are two sets of traction devices, which are respectively installed at the left and right ends of the upper luggage box; the traction device also includes a limiting guide rail and a pin, the limiting guide rail is in the shape of a long strip, one section of the limiting guide rail is installed on the side of the lower luggage box, and the other section of the limiting guide rail is attached to the side of the upper luggage box, and there is an arc-shaped guide groove on the section, and the pin is installed on the side of the upper luggage box and is sleeved in the guide groove, and can move along the guide groove.

[0008] Preferably, a locking pin device is installed between the inner side of the upper luggage box and the rear part of the carriage, and the locking pin device includes a locking head installed on the inner side of the upper luggage box and a locking seat installed on the rear part of the carriage; the locking head includes a base, a locking pin and a steel cable mounting bolt, wherein the base is installed on the inner side of the upper luggage box, and the steel cable mounting bolt is used to fix the end of the steel cable; when the locking head is inserted into the locking seat under the traction of the contracted steel cable, the hook in the lock seat can capture the locking pin, so that the upper luggage box is close to the side wall of the rear part of the carriage.

[0009] Optionally, the traction device includes a pull rod, both ends of which are hinged to the side wall of the carriage and the upper luggage box respectively; there are two sets of traction devices, which are respectively installed at the left and right ends of the upper luggage box.

[0010] Preferably, cables are provided between the two sides of the upper portion of the lower luggage box and the tops of the two side walls of the carriage, respectively.

[0011] Preferably, the upper luggage box is provided with a side door and / or a top door, wherein the side door can be opened toward the rear of the vehicle, and the top door can be opened toward the top.

[0012] Preferably, the side wall of the lower luggage box facing the rear of the vehicle adopts a thick structure, and when the lower luggage box is unfolded and flattened, the lower luggage box can be used as a terrace.

[0013] The present invention also provides a motorhome with a trunk, wherein the motorhome comprises a trunk, and the trunk adopts the above-mentioned backpack-type multifunctional trunk.

[0014] The beneficial effects of the technical solution provided by the utility model are:

[0015] The utility model has huge storage space and is very convenient to use. The trunk can be attached to the rear of the vehicle without affecting the normal driving of the vehicle. After arriving at the camp, it can be turned over and unfolded, making it convenient for people to store and take out items in the upper luggage box. At the same time, after the trunk is turned over, the lower luggage box can be laid flat to serve as a terrace, and the upper luggage box can be erected to serve as a balcony railing and table and bench, which brings great convenience to the life of travelers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is described in detail below with reference to the embodiments and drawings, wherein:

[0017] Figure 1 This is a side view of the suitcase after it is folded up;

[0018] Figure 2 This is a side view of the trunk after it is unfolded;

[0019] Figure 3 It is a stereoscopic view from the bottom of the carriage;

[0020] Figure 4 is a three-dimensional view of the luggage compartment deployment traction device using a steel cable;

[0021] Figure 5 is a three-dimensional view of the luggage compartment deployment traction device using a pull rod;

[0022] Figure 6 It is a magnified view of the lock head;

[0023] Figure 7 is an enlarged view of the push rod device;

[0024] Figure 8 is an enlarged view of the limit guide rail;

[0025] Explanation of reference numerals: lower luggage compartment (1), upper luggage compartment (2), side door (2a), top door (2b), compartment (3), front support (4a), rear support (4b), push rod (4c), horn connection seat (4d), steel cable (5a), pull rod (5b), limit guide rail (5c), pin (5d), guide groove (5e), ​​lock head (8), base (8a), lock pin (8b), steel cable mounting bolt (8c), lock seat (9), RV body (10), tailgate (12), pull cable (13). DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] The utility model discloses a backpack-type multifunctional trunk, which comprises a lower luggage box 1 and an upper luggage box 2. The upper and lower luggage boxes can store a large amount of luggage items, providing many conveniences for travelers. The lower edge of the upper luggage box 2 is hinged to the upper edge of the lower luggage box 1; a push rod device is provided between the bottom of the lower luggage box 1 and the bottom of the carriage 3, and the two ends of the push rod device are respectively hinged to the bottom of the lower luggage box 1 and the bottom of the carriage 3. Under the extension and contraction of the push rod device, the lower luggage box 1 can be unfolded and flattened or folded and vertically attached to the rear side wall of the carriage 3; a traction device is provided between the two sides of the upper luggage box 2 and the two side walls of the carriage, and when the lower luggage box 1 is unfolded and flattened or folded and vertically, the traction device pulls the upper luggage box 2 to keep the upper luggage box 2 vertically all the time.

[0028] See the attached figure, Figure 1 This is a side view of the suitcase after it is folded. Figure 2 It is a side view of the luggage box after it is unfolded. When the vehicle is driving, the luggage box is folded and attached to the rear of the vehicle without affecting normal driving. After arriving at the camp, the luggage box can be unfolded, and the upper luggage box 2 is lowered. People can store and retrieve items very conveniently without the help of ladders, stools and other climbing equipment, which brings great convenience to people's travel life.

[0029] See also Figure 7 What is shown is an enlarged view of the push rod device. In a preferred embodiment, the push rod device includes a front support 4a, a rear support 4b, a push rod 4c and a horn connection seat 4d. The horn connection seat 4d includes a mounting base, an upper hinge point and a lower hinge point. The mounting base of the horn connection seat 4d is fixed to the bottom of the lower luggage compartment 1, the front support 4a is fixed to the bottom of the compartment 3 and close to the horn connection seat 4d, the rear support 4b is fixed to the bottom of the compartment 3 and far from the horn connection seat 4d, the upper hinge point of the horn connection seat 4d is hinged to the front support 4a, and the lower hinge point of the horn connection seat 4d is hinged to the rear support 4b. See FIG. Figure 7 , combined with the three-dimensional view from the bottom of the carriage shown in FIG3 , when the push rod 4c is retracted, the lower hinge point of the horn connection seat 4d rotates downward and rightward around the upper hinge point, and the lower luggage box (1) is laid flat. When the push rod 4c is extended, the lower hinge point of the horn connection seat 4d rotates leftward and upward around the upper hinge point, and the lower luggage box (1) is vertically attached to the rear of the vehicle.

[0030] In a preferred embodiment, there are two sets of push rod devices, which are respectively installed at the left and right ends of the bottom of the lower luggage compartment 1. In each embodiment, the push rod 4c is a hydraulic push rod, a pneumatic push rod or an electric push rod. Figure 3 and Figure 7 In the illustrated embodiment, the push rod 4c is an oil pressure push rod.

[0031] See also Figure 4 In one embodiment shown, the traction device includes a steel cable 5a and a winch. The winch is installed at the rear of the carriage and at a position close to the top (blocked by the carriage in the figure, so it is not drawn here). One end of the steel cable 5a is wound around the winch, and the other end is fixed to the inner side of the upper luggage box 2 facing the rear of the carriage. There are two sets of traction devices, which are respectively installed at the left and right ends of the upper luggage box 2. The traction device mainly cooperates with the push rod device. When the push rod device is extended and the lower luggage box 1 is vertical, the winch rotates to retract the steel cable 5a, pulls up the upper luggage box 2 and attaches it to the rear of the carriage; when the push rod device is retracted and the lower luggage box 1 is laid flat, the winch rotates to release the steel cable 5a, and the lower end of the upper luggage box 2 is pulled downward by the lower luggage box 1, and its upper end is pulled upward by the steel cable 5a. The length of the steel cable 5a released is designed in advance. When the lower luggage box 1 is laid flat, the upper luggage box 2 remains vertically upward.

[0032] In a preferred embodiment, the traction device further includes a limiting guide rail 5c and a pin 5d. Figure 8 The enlarged view of the limit guide rail shown in FIG. 5 shows that the limit guide rail 5c is in the shape of a long strip. Figure 4 and Figure 2 One section of the limit rail 5c is installed on the side of the lower luggage box 1, and the other section of the limit rail 5c is attached to the side of the upper luggage box 2, and there is an arc-shaped guide groove 5e on the section. The pin 5d is installed on the side of the upper luggage box 2 and is sleeved in the guide groove 5e, and can move along the guide groove 5e. Figure 2 , when the lower luggage box 1 is flat, the pin 5d moves to the top of the guide groove 5e, so that the limit guide rail 5c can pull the vertical upper luggage box 2 to tip over toward the rear of the vehicle. It should be noted that the upper luggage box 2 is pulled toward the rear of the vehicle by the steel cable 5a, so it will not tip over outward. When the lower luggage box 1 is vertical, the pin 5d can move to the bottom of the guide groove 5e, and both the upper and lower luggage boxes remain vertical.

[0033] In order to ensure that the upper and lower luggage boxes always remain vertically close to the rear side wall of the vehicle during driving and ensure the driving safety of the vehicle, a locking pin device is installed between the inner side of the upper luggage box 2 and the rear of the vehicle. Figure 4 and Figure 6The lock pin device includes a lock head 8 installed on the inner side of the upper luggage box 2 and a lock seat 9 installed at the rear of the carriage; the lock head 8 includes a base 8a, a lock pin 8b and a cable mounting bolt 8c, wherein the base 8a is installed on the inner side of the upper luggage box 2, and the cable mounting bolt 8c is used to fix the end of the cable 5a; when the lock head 8 is inserted into the lock seat 9 under the traction of the contraction of the cable 5a, the hook in the lock seat 9 can capture the lock pin 8b, so that the upper luggage box 2 is close to the rear side wall of the carriage 3. The lock seat 9 is provided with a release lever, and when the lock pin 8b needs to be released, the release lever is toggled, and the hook is tilted to release the lock pin 8b. The lock seat 9 is an existing mature technology, and its products can be purchased on the market, and its detailed structure is not described here. The utility model combines the lock head 8 and the fixed end of the steel cable 5a into one component, which is a first. This not only saves the number of parts and installation space, but also allows the lock head 8 to be directly pulled into the lock seat 9 so that the two are accurately aligned and locked easily.

[0034] In another embodiment, the traction device is a pull rod 5b. Figure 5 The figure is a three-dimensional view of the luggage compartment unfolded, and the traction device adopts a pull rod. The two ends of the pull rod 5b are respectively hinged to the side wall of the compartment and the upper luggage compartment 2; there are two sets of the traction device, which are respectively installed at the left and right ends of the upper luggage compartment 2. There are two pull rods 5b, which are respectively installed on both sides of the upper luggage compartment 2. When the lower luggage compartment 1 is laid flat, the upper luggage compartment 2 can be pulled to keep it in a vertical state.

[0035] See also Figure 2 In one embodiment shown, cables 13 are respectively provided between the two sides of the upper part of the lower luggage box 1 and the tops of the two side walls of the compartment. When the lower luggage box 1 is laid flat, the cables 13 can pull the two sides of the lower luggage box 1. When the lower luggage box 1 is used as a terrace, the cables 13 can provide strong pulling support for the terrace without collapse.

[0036] See also Figure 4 or Figure 5 In the illustrated embodiment, the upper luggage box 2 is provided with a side door 2a and / or a top door 2b, wherein the side door 2a can be opened facing the rear of the vehicle, and the top door 2b can be opened facing upward. This arrangement greatly facilitates users. People can store and retrieve items in the upper luggage box 2 on the ground or on the terrace.

[0037] In a preferred embodiment, the side wall of the lower luggage box 1 facing the rear of the vehicle adopts a thick structure, and when the lower luggage box 1 is unfolded and flattened, the lower luggage box 1 can be used as a terrace. The lower luggage box 1 can be flipped and attached to the rear wall of the vehicle without affecting the normal driving of the vehicle; after arriving at the camp, it can be flipped and unfolded to become a terrace, providing many life conveniences for travelers.

[0038] The utility model also provides a motorhome with a trunk, the motorhome includes a trunk, and the trunk adopts the above-mentioned backpack-type multifunctional trunk. In a preferred embodiment, a tailgate 12 is provided on the side of the rear of the motorhome to facilitate people in the motorhome to enter and exit the terrace.

[0039] The lower luggage box 1 of the RV can also be provided with an external hanging component, which is a tire hanging component, a motorcycle hanging component, or a bicycle hanging component. People can choose hanging components to hang corresponding items according to their own hobbies and needs. Drawer-type kitchen utensils can also be provided inside the lower luggage box 1 to facilitate cooking in the wild.

[0040] The above embodiments are for illustration only and are not intended to be limiting. Any equivalent modifications or changes made thereto 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. A backpack-type multifunctional trunk, characterized by: It comprises a lower luggage box (1) and an upper luggage box (2), wherein The lower edge of the upper luggage case (2) is hinged to the upper edge of the lower luggage case (1); A push rod device is provided between the bottom of the lower luggage box (1) and the bottom of the carriage (3), and the two ends of the push rod device are respectively hinged to the bottom of the lower luggage box (1) and the bottom of the carriage (3), and under the extension and contraction of the push rod device, the lower luggage box (1) can be unfolded and flattened or folded and vertically attached to the rear side wall of the carriage (3); A traction device is provided between the two sides of the upper luggage box (2) and the two side walls of the carriage, and when the lower luggage box (1) is in the state of being unfolded and flattened or folded and vertical, the traction device pulls the upper luggage box (2) so that the upper luggage box (2) always remains vertical.

2. The multifunctional backpack trunk as claimed in claim 1, characterized in that: The push rod device comprises a front support (4a), a rear support (4b), a push rod (4c) and a horn connection seat (4d), wherein the horn connection seat (4d) is fixed to the bottom of the lower luggage box (1), the front support (4a) is fixed to the bottom of the carriage (3) and close to the horn connection seat (4d), the rear support (4b) is fixed to the bottom of the carriage (3) and far from the horn connection seat (4d), the upper end hinge point of the horn connection seat (4d) is hinged to the front support (4a), and the lower end hinge point of the horn connection seat (4d) is hinged to the rear support (4b).

3. The multifunctional backpack trunk as claimed in claim 2, characterized in that: There are two sets of push rod devices, which are respectively installed at the left and right ends of the bottom of the lower luggage compartment (1); the push rod (4c) is one of an oil pressure push rod, a pneumatic push rod or an electric push rod.

4. The multifunctional backpack trunk as claimed in claim 1, characterized in that: The traction device comprises a steel cable (5a) and a winch, the winch being installed at the rear of the vehicle and at an upper position, one end of the steel cable (5a) being wound around the winch and the other end being fixed to the inner side of the upper luggage compartment (2) facing the rear of the vehicle; there are two sets of the traction device, which are installed at the left and right ends of the upper luggage compartment (2) respectively; The traction device further comprises a limiting guide rail (5c) and a pin (5d); the limiting guide rail (5c) is in the shape of an elongated strip; one section of the limiting guide rail (5c) is mounted on the side of the lower luggage compartment (1); the other section of the limiting guide rail (5c) is attached to the side of the upper luggage compartment (2) and has an arc-shaped guide groove (5e) on the section; the pin (5d) is mounted on the side of the upper luggage compartment (2) and is sleeved in the guide groove (5e) so as to be movable along the guide groove (5e).

5. The multifunctional backpack trunk as claimed in claim 4, characterized in that: A locking pin device is installed between the inner side of the upper luggage box (2) and the rear end of the carriage, the locking pin device comprising a lock head (8) installed on the inner side of the upper luggage box (2) and a lock seat (9) installed on the rear end of the carriage; the locking head (8) comprises a base (8a), a locking pin (8b) and a steel cable mounting bolt (8c), wherein the base (8a) is installed on the inner side of the upper luggage box (2), and the steel cable mounting bolt (8c) is used to fix the end of the steel cable (5a); when the locking head (8) is inserted into the locking seat (9) under the traction of the contraction of the steel cable (5a), the hook in the locking seat (9) can capture the locking pin (8b), so that the upper luggage box (2) is closely attached to the rear side wall of the carriage (3).

6. The multifunctional backpack trunk as claimed in claim 1, characterized in that: The traction device comprises a pull rod (5b), the two ends of which are respectively hinged to the side wall of the carriage and the upper luggage box (2); there are two sets of the traction device, which are respectively installed at the left and right ends of the upper luggage box (2).

7. The multifunctional backpack trunk as claimed in claim 1, characterized in that: Cables (13) are respectively provided between the two sides of the upper portion of the lower luggage box (1) and the tops of the two side walls of the carriage.

8. The multifunctional backpack trunk as claimed in claim 1, characterized in that: The upper luggage box (2) is provided with a side door (2a) and / or a top door (2b), wherein the side door (2a) can be opened toward the rear of the vehicle, and the top door (2b) can be opened upward.

9. The multifunctional backpack trunk according to any one of claims 1 to 8, characterized in that: The side wall of the lower luggage compartment (1) facing the rear of the vehicle adopts a thick structure, and when the lower luggage compartment (1) is unfolded and laid flat, the lower luggage compartment (1) can be used as a terrace.

10. A motorhome, characterized in that: The RV includes a trunk, and the trunk is a backpack-type multifunctional trunk as described in any one of claims 1 to 9.