Expansion device for trunk of vehicle and vehicle equipped with such device

Abstract

The utility model relates to an expansion device for a vehicle trunk and a vehicle equipped with the same, the expansion device for the vehicle trunk comprises a front plate arranged in the trunk; the rear plate is arranged in the luggage case, can move to the position above the front plate from the rear side of the front plate and is fixed to the position above the front plate, and the rear plate can be unfolded backwards. According to the embodiment of the utility model, the rear plate can be arranged on the rear side of the front plate so as to store large articles, and can also be moved from the rear side of the front plate to the position above the front plate so as to increase the positions for storing the articles, so that a plurality of small articles can be stored. Besides, the rear plate can be unfolded backwards, so that the rear plate is positioned above the front plate and can still store large articles in an unfolded state, and the space utilization rate in the luggage case is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle, especially a kind of extension device for vehicle luggage compartment and vehicle equipped with the device. BACKGROUND

[0002] The luggage compartment of vehicle is usually used to hold luggage and various articles, which provides great convenience for drivers and passengers. However, the space utilization of the luggage compartment is often not ideal. When multiple small articles need to be loaded, the placement of these articles can become very disorganized, which makes it difficult to effectively utilize the space inside the luggage compartment.

[0003] In addition, if the problem is attempted to be solved by adding a partition, although the storage of small articles can be made orderly, the luggage compartment with the partition cannot load large articles, which still leads to the space inside the luggage compartment being unable to be fully and efficiently utilized.

[0004] Therefore, there is a need to further improve the existing luggage compartment.

[0005] The information disclosed in the background section of the utility model is only intended to increase the understanding of the overall background of the utility model, and should not be considered as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art. SUMMARY

[0006] The utility model aims to provide an extension device for vehicle luggage compartment and vehicle equipped with the device, the rear plate of the extension device for vehicle luggage compartment can be arranged at the rear side of the front plate to store large articles, and can be moved from the rear side of the front plate to the top of the front plate to increase the position for storing articles, thereby storing multiple small articles. In addition, the rear plate is arranged to be able to be unfolded backward, so that the rear plate is located above the front plate and can still store large articles in the unfolded state, which greatly improves the space utilization inside the luggage compartment.

[0007] According to the first aspect of the utility model, an extension device for vehicle luggage compartment is provided, comprising: a front plate arranged inside the luggage compartment; a rear plate arranged inside the luggage compartment and capable of being moved from the rear side of the front plate to the top of the front plate and fixed at the top of the front plate, the rear plate being capable of being unfolded backward.

[0008] Preferably, the extension device for vehicle trunk further comprises: a storage box arranged at the rear side of the front plate, the rear plate being movable to the upper surface of the storage box; and two support assemblies respectively arranged at the left and right sides of the storage box, each support assembly comprising: a support rod, the first end of which is hingedly connected to the front part of the side of the storage box, and the second end of which is hingedly connected to the rear part of the side of the rear plate, the length of the support rod being capable of being extended or shortened, and the support rod being capable of maintaining the length after being extended or shortened; and an air strut, the first end of which is hingedly connected to the rear part of the side of the storage box, and the second end of which is hingedly connected to the support rod near the first end of the support rod, the air strut being capable of providing a forward and upward force to the support rod to help the support rod rotate upward when the rear plate moves upward and forward.

[0009] Preferably, the rear plate comprises: a rear plate body having a cavity with an opening facing rearward, and a sliding groove extending along the front-rear direction on the upper surface thereof; and an extension plate slidably mounted in the cavity and having a limiting block corresponding to the sliding groove on the upper surface thereof, the limiting block being located in the sliding groove and being capable of sliding along the sliding groove and preventing the extension plate from being separated from the cavity; wherein a part of the extension plate is capable of sliding out of the cavity to enable the rear plate to be unfolded rearward.

[0010] Preferably, the extension device for vehicle trunk further comprises: a connecting rod, the first end of which is connected to the left support rod, and the second end of which is connected to the right support rod.

[0011] Preferably, the support rod is provided with two.

[0012] Preferably, the lower part of the side of the storage box is provided with a lower support, the front part of the lower support being provided with a lower mounting plate extending upward, the rear part of the side of the rear plate being provided with an upper support, the rear part of the upper support being provided with an upper mounting plate extending downward; the first end of the support rod is hingedly connected to the lower mounting plate of the lower support, and the second end of the support rod is hingedly connected to the upper mounting plate of the upper support.

[0013] Preferably, the upper surface of the rear plate is provided with a downwardly recessed groove, and the opening of the groove is provided with a baffle to form a lifting device.

[0014] Preferably, the extension device for vehicle trunk further comprises at least one rearwardly opening clamping groove arranged on the trunk surrounding, the front part of the side of the rear plate being capable of being inserted into the clamping groove when the rear plate moves above the front plate to increase the stability of the rear plate.

[0015] Preferably, the expansion device for vehicle luggage compartment further comprises a bottom support which is detachably mounted on the left and right sides of the front side of the storage box.

[0016] According to the second aspect of the present application, a vehicle is provided with the expansion device for vehicle luggage compartment as described in the first aspect.

[0017] The rear plate of the present application can be arranged at the rear side of the front plate to store large items, and can be moved from the rear side of the front plate to the upper side of the front plate to increase the position for storing items, thereby storing a plurality of small items. In addition, the rear plate is arranged to be able to be unfolded rearward, so that the rear plate is located above the front plate and still can store large items in the unfolded state, greatly improving the space utilization in the luggage compartment.

[0018] The device of the present application has other characteristics and advantages, which will be apparent from and / or set forth in the accompanying drawings and subsequent embodiments incorporated herein, which together serve to explain the particular principles of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] FIG. 1A is a first state schematic view of the expansion device for vehicle luggage compartment of the present application embodiment;

[0020] FIG. 1B is a second state schematic view of the expansion device for vehicle luggage compartment of the present application embodiment;

[0021] FIG. 1C is a third state schematic view of the expansion device for vehicle luggage compartment of the present application embodiment;

[0022] FIG. 2A is a position schematic view of the storage box and the support rod;

[0023] FIG. 2B is a connection schematic view of the support rod;

[0024] FIG. 3 is a schematic view after the extension plate is pulled out;

[0025] FIG. 4A is a first position schematic view of the extension plate and the rear plate body;

[0026] FIG. 4B is a second position schematic view of the extension plate and the rear plate body;

[0027] FIG. 5 is a cooperation schematic view of the rear plate and the storage box;

[0028] FIG. 6 Figure 7 is a schematic view of the cooperation of the bottom support and the storage box;

[0029] FIG. 7 Figure 8 is a schematic view of the cooperation of the second support rod and the lower mounting plate after locking;

[0030] FIG. 8 Figure 9 is a sectional view of the cooperation of the second support rod and the lower mounting plate after locking;

[0031] FIG. 9A Figure 10 is a schematic view of the first position of the rear plate;

[0032] FIG. 9B Figure 11 is a schematic view of the second position of the rear plate;

[0033] FIG. 9C Figure 12 is a schematic view of the third position of the rear plate;

[0034] FIG. 9D Figure 13 is a schematic view of the fourth position of the rear plate.

[0035] Explanation of reference signs:

[0036] 100, front plate;

[0037] 200, rear plate;

[0038] 210, rear plate body; 211, cavity; 212, sliding groove; 213, upper support; 214, upper mounting plate; 215, pulling device; 216, recess; 217, opening; 218, baffle;

[0039] 220, extension plate; 221, limiting table;

[0040] 300, storage box; 310, lower support; 311, lower mounting plate; 312, first mounting hole; 313, second mounting hole;

[0041] 400, support assembly;

[0042] 410, support rod;

[0043] 410A, first support rod; 411A, second pin; 412A, first pin;

[0044] 410B, second support rod; 411B, fourth pin; 412B, third pin; 414B, screw; 415B, fourth mounting hole; 416B, third mounting hole;

[0045] 420, gas strut; 430, connecting rod;

[0046] 500, clamping groove; 600, luggage car body;

[0047] 700, bottom support;

[0048] 800, tailgate.

[0049] It should be appreciated that the drawings are not necessarily drawn to scale, but present a simplified representation of various features for the purpose of illustrating the basic principles of the present application. Specific design features (including, for example, specific dimensions, orientations, locations, and shapes) of the disclosed embodiments will be determined in part by the particular environment in which the present application is applied and used.

[0050] In these drawings, like reference numerals indicate like or equivalent parts throughout the several views of the drawings. DETAILED DESCRIPTION

[0051] Reference will now be made in detail to various embodiments of the present application, examples of which are illustrated in the accompanying drawings and described below. While the present application will be described in conjunction with the example embodiments, it should be understood that the present application is not limited to these example embodiments. On the contrary, the present application is intended to cover all alternatives, modifications, equivalents, and other embodiments that can be included within the spirit and scope of the present application as defined by the appended claims.

[0052] Wherein the forward direction refers to the direction towards the front of the vehicle (i.e. the direction of travel), and the rearward direction refers to the direction towards the rear of the vehicle (i.e. the opposite direction to the direction of travel).

[0053] FIG. 1A First state schematic diagram of the extension device for the vehicle trunk of the present application embodiment; FIG. 1B Second state schematic diagram of the extension device for the vehicle trunk of the present application embodiment; FIG. 1C Third state schematic diagram of the extension device for the vehicle trunk of the present application embodiment; FIG. 2A Position schematic diagram of the storage box and the support rod; FIG. 2B Connection schematic diagram of the support rod; FIG. 3 Schematic diagram after the extension plate is pulled out;

[0054] FIG. 4A First position schematic diagram of the extension plate and the rear plate body; FIG. 4B Second position schematic diagram of the extension plate and the rear plate body; FIG. 5 Cooperation schematic diagram of the rear plate and the storage box; FIG. 6 Cooperation schematic diagram of the bottom support and the storage box; FIG. 7 Schematic diagram after the second support rod is locked with the lower mounting plate; FIG. 8 Cross-sectional view of the schematic diagram after the second support rod is locked with the lower mounting plate; FIG. 9A First position schematic diagram of the rear plate;FIG. 9B schematic view of a second position of the rear plate; FIG. 9C schematic view of a third position of the rear plate; FIG. 9D schematic view of a fourth position of the rear plate.

[0055] The following describes FIGS. 1A-9D an expansion device for a vehicle trunk according to an embodiment of the present application.

[0056] As shown in FIG. 1A and FIG. 1B , the expansion device for a vehicle trunk according to an embodiment of the present application comprises a front plate 100 and a rear plate 200.

[0057] The front plate 100 is disposed inside the trunk. The rear plate 200 is disposed inside the trunk and is movable from a rear side of the front plate 100 (see FIG. 1A ) to above the front plate 100 and fixed above the front plate 100 (see FIG. 1B ). The rear plate 200 is capable of being unfolded rearward (see FIG. 1B and FIG. 1C ).

[0058] The rear plate 200 according to an embodiment of the present application can be disposed at the rear side of the front plate 100 to store large items, and can be moved from the rear side of the front plate 100 to above the front plate 100 to increase the position for storing items, thereby storing multiple small items. In addition, the rear plate 200 is disposed to be capable of being unfolded rearward, such that the rear plate 200 is located above the front plate 100 and still can store large items in the unfolded state, greatly improving the space utilization rate inside the trunk.

[0059] In an exemplary embodiment, as shown in FIGS. 1A-2A , the expansion device for a vehicle trunk further comprises a storage box 300 and two support assemblies 400.

[0060] The storage box 300 is disposed at the rear side of the front plate 100, and the rear plate 200 is movable to the upper surface of the storage box 300. The storage box 300 has an upward opening, and the rear plate 200 can act as a cover plate of the storage box 300 when moved to the upper surface of the storage box 300.

[0061] The two support assemblies 400 are respectively located at the left and right sides of the storage box 300, and each support assembly 400 comprises a support rod 410 and a gas spring 420.

[0062] The first end of the support rod 410 is hinged to the front of the side of the storage box 300, and the second end of the support rod 410 is hinged to the rear of the side of the rear plate 200. The length of the support rod 410 can be extended or shortened, and the support rod 410 can maintain the length after being extended or shortened.

[0063] The first end of the gas strut 420 is hinged to the rear of the side of the storage box 300, and the second end of the gas strut 420 is hinged to the support rod 410 near the first end of the support rod 410. The gas strut 420 can provide a force directed upward and forward to the support rod 410 to help the support rod 410 rotate upward when the rear plate moves upward and forward.

[0064] Specifically, as shown in FIG. 2A and FIG. 2B , the support rod 410 is provided in two, specifically including a first support rod 410A and a second support rod 410B.

[0065] In FIG. 2A and FIG. 2B embodiments, the support rod 410 in each support assembly 400 is provided with two. The number of support rods 410 can be adjusted according to the situation, for example, it can be provided as any number in 2-5.

[0066] As shown in FIG. 2B , the support rod 410 includes a support rod body 417 and a telescopic rod 418. A part of the telescopic rod 418 is installed in the support rod body 417, and the telescopic rod 418 can slide along the length direction of the support rod body 417 to extend or shorten the length of the support rod 410 and maintain the length after being extended or shortened. The above change of the length of the support rod 410 makes the height of the rear plate 200 when located above the front plate 100 can be changed to adjust the space distance between the rear plate 200 and the front plate 100.

[0067] In exemplary embodiments, as shown in FIG. 2A and FIG. 2B , the lower part of the side of the storage box 300 is installed with a lower bracket 310, and the front of the lower bracket 310 is installed with a downwardly extending lower mounting plate 311. The rear of the side of the rear plate 200 is installed with an upper bracket 213, and the rear of the upper bracket 213 is installed with an upwardly extending upper mounting plate 214.

[0068] The first end of the support rod 410 is hinged to the lower mounting plate 311 of the lower bracket 310, and the second end of the support rod 410 is hinged to the upper mounting plate 214 of the upper bracket 213.

[0069] Specifically, as shown in FIG. 2A and FIG. 2BAs shown in FIG. 4, a first end of the first support rod 410A is hinged to the lower mounting plate 311 of the lower bracket 310 through a first pin 412A, a second end of the first support rod 410A is hinged to the upper mounting plate 214 of the upper bracket 213 through a second pin 411A, and the first support rod 410A is rotatable about the first pin 412A. A first end of the second support rod 410B is hinged to the lower mounting plate 311 of the lower bracket 310 through a third pin 412B, a second end of the second support rod 410B is hinged to the upper mounting plate 214 of the upper bracket 213 through a fourth pin 411B, and the second support rod 410B is rotatable about the third pin 412B.

[0070] In the embodiment shown in FIG. 4, the first end of the air strut 420 is hinged to the first support rod 410A. In other embodiments, the first end of the air strut 420 can be hinged to the second support rod 410B. Alternatively, two air struts 420 can be provided to be connected to the first support rod 410A and the second support rod 410B respectively. FIG. 2A FIG. 2B In the embodiment shown in FIG. 4, the first end of the air strut 420 is hinged to the first support rod 410A. In other embodiments, the first end of the air strut 420 can be hinged to the second support rod 410B. Alternatively, two air struts 420 can be provided to be connected to the first support rod 410A and the second support rod 410B respectively.

[0071] In the embodiment shown in FIG. 4, the first end of the air strut 420 is hinged to the first support rod 410A. In other embodiments, the first end of the air strut 420 can be hinged to the second support rod 410B. Alternatively, two air struts 420 can be provided to be connected to the first support rod 410A and the second support rod 410B respectively. FIG. 1C FIG. 3 As shown in FIG. 5, the rear plate 200 comprises a rear plate body 210 and an extension plate 220.

[0072] The rear plate body 210 has a cavity 211 with an opening facing the rear (see FIG. 6), and has a sliding groove 212 extending along the front-rear direction on the upper surface thereof. FIG. 1C

[0073] The extension plate 220 is slidably mounted in the cavity 211, and has a limiting platform 221 corresponding to the sliding groove 212 on the upper surface thereof. The limiting platform 221 is located in the sliding groove 212, and is slidable along the sliding groove 212, and can prevent the extension plate 220 from being detached from the cavity 211.

[0074] In the embodiment shown in FIG. 5, a portion of the extension plate 220 can slide out of the cavity 211, so that the rear plate 200 can be unfolded rearward (see FIG. 6), thereby expanding the use area of the rear plate 200. After the use area of the rear plate 200 is expanded, a plurality of small items can be stored, and large items can also be stored. FIG. 1B FIG. 1C FIG. 3 FIG. 4A FIG. 4B In the embodiment shown in FIG. 5, a portion of the extension plate 220 can slide out of the cavity 211, so that the rear plate 200 can be unfolded rearward (see FIG. 6), thereby expanding the use area of the rear plate 200. After the use area of the rear plate 200 is expanded, a plurality of small items can be stored, and large items can also be stored.

[0075] In the embodiment shown in FIG. 5, a portion of the extension plate 220 can slide out of the cavity 211, so that the rear plate 200 can be unfolded rearward (see FIG. 6), thereby expanding the use area of the rear plate 200. After the use area of the rear plate 200 is expanded, a plurality of small items can be stored, and large items can also be stored. FIG. 5 ​​​​​​​As shown, the upper surface of the rear plate 200 has a downwardly recessed groove 216, and has a baffle 218 at the opening 217 of the groove 216 to form a pulling device 215. A user can pull the rear plate 200 over the front plate 100 by pulling the pulling device 215. The type of the pulling device 215 is not limited, and can be any form in the prior art as long as the above function can be achieved.

[0076] In an exemplary embodiment, as shown in FIG. 1A 、 FIG. 1B and FIG. 1C , the extension device for the trunk of a vehicle further comprises at least one rearwardly opening slot 500, which is provided on the trunk trim 600. The front part of the side of the rear plate 200 can be inserted into the slot 500 when the rear plate 200 is moved over the front plate 100 to increase the stability of the rear plate 200.

[0077] The slot 500 can also be provided in multiple and at different heights to accommodate the rear plate 200 at different heights.

[0078] In an exemplary embodiment, as shown in FIG. 6 , the extension device for the trunk of a vehicle further comprises a bottom support 700.

[0079] The extension device for the trunk of a vehicle can be removed from the trunk to serve as a table in camping. The bottom support 700 can improve the stability of the extension device for the trunk of a vehicle. The bottom support 700 is provided with two, which are respectively installed on the left and right sides of the front side of the storage box 300.

[0080] As shown in FIG. 7 and FIG. 8 , the lower mounting plate 311 has a first mounting hole 312 and a second mounting hole 313, and the second support rod 410B has a third mounting hole 416B corresponding to the first mounting hole 312 and a fourth mounting hole 415B corresponding to the second mounting hole 313. The third pin 412B is installed in the first mounting hole 312 and the third mounting hole 416B to enable the second support rod 410B to rotate around the third pin 412B. When the second support rod 410B is rotated to a predetermined angle, the rear plate 200 is located above the front plate 100, and the second mounting hole 313 is aligned with the fourth mounting hole 415B.

[0081] Screw 414B is inserted into the second mounting hole 313 and the fourth mounting hole 415B, so that the second support rod 410B cannot rotate relative to the lower mounting plate 311 and is thus held at the predetermined angle. Similarly, the first support rod 410A is connected to the lower mounting plate 311 using another screw, so that the first support rod 410A cannot rotate relative to the lower mounting plate 311 and is fixed at the predetermined angle, thereby keeping the rear plate 200 always above the front plate 100.

[0082] In an exemplary implementation, such as FIG. 1C As shown, the extension device for the vehicle trunk further includes a link 430, which is arranged along the left-right direction of the vehicle. A first end of the link 430 is connected to a support rod 410 on the left side, and a second end of the link 430 is connected to a support rod 410 on the right side. The link 430 can improve the stability of the support rods 410. Specifically, the link 430 can be one to connect either the first support rods 410A on the left and right sides, or to connect either the second support rods 410B on the left and right sides. In other embodiments, the link 430 can be two to connect the first support rods 410A and the second support rods 410B on the left and right sides, respectively.

[0083] This invention also provides a vehicle equipped with the aforementioned extension device for the vehicle's luggage compartment. Other components and functions of the vehicle according to this invention are known to those skilled in the art and will not be described in detail to avoid redundancy.

[0084] The operation of the extension device for a vehicle luggage compartment according to the present invention will be described below with reference to the accompanying drawings.

[0085] In its initial state, the back panel 200 is positioned above the storage box 300 (see also [reference]). FIG. 9A ), and located on the rear side of the front panel 100 (see details). FIG. 1A The gas spring 420 is in a compressed state and provides a forward and downward force to the first support rod 410A. FIG. 9A As shown, the height of the second end of the first support rod 410A (the end near the second pin 411A) is lower than the height of the first end of the first support rod 410A (the end near the first pin 412A), and the height of the second end of the second support rod 410B (the end near the fourth pin 411B) is lower than the height of the first end of the second support rod 410B (the end near the third pin 412B). At this time, the space inside the suitcase is not divided, and large items can be stored.

[0086] An upward force is applied to the rear plate 200 by the lifting device 215 to move the rear plate 200 forward and upward. Specifically, an upward force F1 is applied at the lifting device 215. During the movement, the first support rod 410A rotates around the first pin 412A in a first direction (clockwise in FIGS. 9A-9D ). FIGS. 9A-9D The second support rod 410B rotates around the third pin 412B in the first direction (clockwise in ).

[0087] When the first support rod 410A and the second support rod 410B rotate to the horizontal state, the gas strut 420 is further compressed and provides a forward force to the first support rod 410A (see FIG. 9B ).

[0088] When the first support rod 410A and the second support rod 410B rotate to the state that the second end of each is higher than the first end of each, the gas strut 420 provides a force F2 directed forward and upward to the first support rod 410A, which can help the support rod 410 continue to rotate in the first direction.

[0089] As shown in FIG. 9C , when the first support rod 410A rotates upward to a certain angle, the force F2 has a vertical component F 2y that generates a torque that exceeds the torque generated by the gravity G of the system composed of the rear plate 200 and the support rod 410. At this time, even if the user no longer applies the force F1, the rear plate 200 can move upward and forward under the drive of the gas strut 420 until the rear plate 200 is inserted into the card slot 500. When the rear plate 200 is inserted into the card slot 500, the length of the gas strut 420 reaches the maximum (see FIG. 9D ). After the rear plate 200 moves above the front plate 100, the rear plate 200 and the front plate 100 can store small items, respectively, and in addition, the user can also store items in the storage box 300, which is equivalent to dividing the internal space of the luggage into multiple spaces to store small items, respectively, thereby improving the space utilization rate for storing small items.

[0090] During the movement of the rear plate 200 upward and forward, the rear plate 200 rotates relative to the first support rod 410A and the second support rod 410B, so that the rear plate 200 always maintains a horizontal state.

[0091] If it is necessary to adjust the height of the rear plate 200, the user can adjust the length of the first support rod 410A and the second support rod 410B when the rear plate 200 is not inserted into the card slot 500 to adjust the height of the rear plate 200, and then insert the rear plate 200 into the card slot 500 of the corresponding height after adjusting to the appropriate height.

[0092] If the use area of the rear plate 200 is insufficient, the user can pull the limiting table 221 backward or directly pull the extension plate 220 backward, so that a part of the extension plate 220 slides out of the cavity 211, thereby expanding the use area of the rear plate 200. When the extension plate 220 is not pulled, the limiting table 221 is located at the front end of the sliding groove 212, and the distance between the extension plate 220 and the closed vehicle tail door 800 is L1 (see FIG. 4A for details). When the extension plate 220 is pulled to the position where the limiting table 221 is located at the rear end of the sliding groove 212, the distance between the extension plate 220 and the closed vehicle tail door 800 is L2 (see FIG. 4B for details). After the use area of the rear plate 200 is expanded, the rear plate 200 can store both small and large items, further improving the space utilization.

[0093] If it is necessary to store the rear plate 200, the following steps are performed:

[0094] First, the extension plate 220 is pushed into the cavity 211 of the rear plate body 210 until the limiting table 221 slides to the front end of the sliding groove 212.

[0095] An acting force F3 is applied along the rear and downward direction. Under the action of the acting force F3, the first supporting rod 410A rotates around the first pin 412A along the second direction (counterclockwise direction in FIGS. 9A-9D ), and the second supporting rod 410B rotates around the third pin 412B along the second direction (counterclockwise direction in FIGS. 9A-9D ), so that the rear plate 200 moves backward and downward (i.e., from FIGS. 9D to 9C ).

[0096] As shown in FIG. 9C , when the first supporting rod 410A rotates downward to a certain angle, the vertical component F 2y of the acting force F2 provided by the gas strut 420 to the first supporting rod 410A is less than the torque generated by the gravity G of the system composed of the rear plate 200 and the supporting rod 410. At this time, even if the user no longer applies the acting force F3, the rear plate 200 can move downward and backward under the drive of the gravity G until the rear plate 200 moves to the upper surface of the storage box 300.

[0097] For the convenience of explanation and accurate definition of the appended claims, the terms "upper", "lower", "inner", "outer", "upper surface", "lower surface", "upper", "lower", "upward", "downward", "front", "rear", "rear", "inner", "outer", "inward", "outward", "inner", "outer", "inner", "outer", "forward", "rear" are used to describe the features of the exemplary embodiments with reference to the positions of these features shown in the drawings.

[0098] The foregoing description of the specific exemplary embodiments of the present application presented is for illustrative purposes only. The foregoing description is not intended to be exhaustive or to limit the application to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teachings. The exemplary embodiments were chosen and described in order to explain the principles of the application and its practical application to thereby enable others skilled in the art to best utilize the application and various embodiments with various modifications as are suited to the particular use contemplated. It is intended that the scope of the application be defined by the claims appended hereto with their equivalents.

Claims

1. An extension device for a vehicle trunk, characterized by, The utility model relates to an extension device for vehicle luggage compartment, comprising: a front plate arranged in the luggage compartment; a rear plate arranged in the luggage compartment and capable of moving from the rear side of the front plate to the upper side of the front plate and being fixed on the upper side of the front plate, the rear plate being capable of being unfolded rearward.

2. The expansion device for a vehicle trunk according to claim 1, wherein It further comprises: a storage box arranged on the rear side of the front plate, the rear plate being capable of moving to the upper surface of the storage box; and two support assemblies respectively arranged on the left and right sides of the storage box, each support assembly comprising: a support rod, the first end of which is hinged to the front part of the side of the storage box, the second end of which is hinged to the rear part of the side of the rear plate, the length of the support rod being capable of being extended or shortened and the support rod being capable of keeping the length after being extended or shortened; and an air strut, the first end of which is hinged to the rear part of the side of the storage box, the second end of which is hinged to the support rod near the first end of the support rod, the air strut being capable of providing a forward and upward force to the support rod to help the support rod rotate upward when the rear plate moves upward and forward.

3. The expansion device for a vehicle trunk of claim 1, wherein, The rear plate comprises: a rear plate body having a cavity with an opening facing rearward and a sliding groove extending along the front-rear direction on the upper surface thereof; and an extension plate slidably arranged in the cavity and having a limiting block corresponding to the sliding groove on the upper surface thereof, the limiting block being located in the sliding groove and capable of sliding along the sliding groove and preventing the extension plate from being separated from the cavity; wherein a part of the extension plate is capable of sliding out of the cavity to enable the rear plate to be unfolded rearward.

4. The expansion device for a vehicle trunk of claim 2, wherein, It further comprises: a connecting rod, the first end of which is connected to the left support rod and the second end of which is connected to the right support rod.

5. The expansion device for a vehicle trunk of claim 2, wherein, The support rod is provided with two.

6. The expansion device for a vehicle trunk of claim 2, wherein, A lower support is arranged on the lower part of the side of the storage box, the front part of the lower support being provided with a lower mounting plate extending upward, an upper support being arranged on the rear part of the side of the rear plate, the rear part of the upper support being provided with an upper mounting plate extending downward; the first end of the support rod being hinged to the lower mounting plate of the lower support and the second end of the support rod being hinged to the upper mounting plate of the upper support.

7. The expansion device for a vehicle trunk of claim 1, wherein, The upper surface of the rear plate has a downwardly recessed groove and a baffle at the opening of the groove to form a lifting device.

8. The expansion device for a vehicle trunk of claim 1, wherein, It further comprises at least one rearwardly opening clamping groove arranged on the vehicle body of the luggage compartment, the front part of the side of the rear plate being capable of being inserted into the clamping groove when the rear plate moves to the upper side of the front plate to increase the stability of the rear plate.

9. The expansion device for a vehicle trunk of claim 2, wherein, It further comprises a bottom support, the bottom support being detachably arranged on the left and right sides of the front side of the storage box.

10. A vehicle characterized by comprising: It is equipped with the extension device for vehicle luggage compartment according to any one of claims 1-9.

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