Ladder and luggage rack assembly for vehicle

Abstract

The utility model provides a ladder and luggage rack assembly for a vehicle, a luggage rack is arranged at the top of the vehicle, and the ladder comprises a ladder stand body and a supporting piece. And one end of the crawling ladder is arranged on the luggage rack. The supporting piece is arranged on one side of the crawling ladder and used for being supported on the side wall of the vehicle. One end of the crawling ladder is arranged on the luggage rack, one end of the crawling ladder can be connected with the luggage rack, and one end of the crawling ladder can be lapped on the luggage rack. The arrangement of the support frame ensures that the crawling ladder is not in direct hard contact with the side wall of the vehicle, and also provides another stress point of the ladder. By means of the arrangement, it can be guaranteed that a user normally uses the ladder, meanwhile, damage to a vehicle in the ladder using process can be avoided, and the convenience of using the ladder by the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a ladder and luggage rack assembly for a vehicle. Background Art

[0002] Some models such as SUVs, pickup trucks, off-road vehicles, etc. have luggage racks on their roofs, which are generally frame structures. Users can place luggage, bicycles, folding beds and other items on the luggage racks. When users place items on the roof, they generally need to use tools such as ladders. At present, ladders on the market generally have the problem that when they are placed on the car, in addition to contact with the luggage rack, they will also come into hard contact with the side of the car, thereby damaging the paint surface of the side of the car and causing damage to the vehicle. Utility Model Content

[0003] In view of the above problems, the present utility model is proposed to provide a ladder and luggage rack assembly for a vehicle that overcomes the above problems or at least partially solves the above problems, which can solve the problem that the ladder makes hard contact with the side of the vehicle during use and damages the vehicle, thereby improving the convenience of users in using the ladder.

[0004] Specifically, the utility model provides a ladder for a vehicle, wherein a luggage rack is provided on the top of the vehicle, and the ladder comprises:

[0005] A ladder, one end of which is arranged on the luggage rack;

[0006] A support member is arranged on one side of the ladder, and the support member is used to support the side wall of the vehicle.

[0007] Optionally, the support member is mounted on the ladder by means of a universal connection;

[0008] The support member is connected to a first support column, and a second support column or a support block is provided on the ladder; the first support column is universally connected to the second support column or the support block;

[0009] A ball head is provided at one end of the first support column away from the support member, and a groove is provided on the second support column or the support block. The ball head is inserted into the groove to universally connect the first support column with the second support column or the support block.

[0010] Optionally, the support member includes a supporting portion and a mounting portion, the mounting portion is mounted on one side of the ladder, the supporting portion is made of an elastic material, the supporting portion is arranged on the mounting portion, and the supporting portion is used to support the side wall of the vehicle; the supporting portion is a cushion-like structure, a block-like structure or a spherical structure.

[0011] Optionally, the luggage rack includes a luggage rack body and a storage space located at the lower side of the luggage rack body, the storage space has an opening facing one lateral side, and the ladder can move in and out along the lateral direction of the vehicle through the opening.

[0012] Optionally, the ladder further comprises a slider movably arranged in the accommodation space along the lateral direction of the vehicle; one end of the ladder is movably connected to the slider so that the other end of the ladder swings downward relative to one end of the ladder;

[0013] A first connecting rod is arranged between the slider and the ladder, one end of the first connecting rod is rotatably connected to the slider, and the other end of the first connecting rod is rotatably connected to the ladder.

[0014] Optionally, a first limit device is provided between the ladder and the support member, and the first limit device is configured to prevent one end of the ladder from swinging relative to the support member in a direction away from the vehicle after the other end of the ladder swings downward relative to one end of the ladder so that the support member is supported on the side wall of the vehicle;

[0015] The first limiting device is a stopper for limiting the travel of the slider, or,

[0016] The first limiting device comprises a limiting hole and a limiting shaft inserted into the limiting hole, one of the limiting hole and the limiting shaft is arranged on the luggage rack, and the other is arranged on the ladder;

[0017] The first limiting device further includes a spring, and the spring is used to force the limiting shaft to be inserted into the limiting hole; or,

[0018] The first limiting device includes a limiting groove and a limiting shaft inserted into the limiting groove, one of the limiting groove and the limiting shaft is arranged on the luggage rack, and the other is arranged on the ladder.

[0019] Optionally, the ladder further comprises:

[0020] a second limiting device, the second limiting device being configured to prevent one end of the ladder from swinging relative to the support member toward the direction approaching the vehicle after the other end of the ladder swings downward relative to the one end of the ladder so that the support member is supported on the side wall of the vehicle;

[0021] The second limiting device is a stopper or a stopper bar, and the stopper or the stopper bar is used to contact the ladder; or,

[0022] The second limiting device is a stopper or a shift rod, and the stopper or the shift rod is used to contact the first connecting rod.

[0023] Optionally, the ladder comprises a first section and a second section folded and connected to the first section, one end of the first section is arranged on the luggage rack, and the support member is arranged on the first section; after the second section is unfolded, the angle between the second section and the first section is an obtuse angle; or,

[0024] The ladder includes a ladder accommodating member and a folding ladder, wherein the folding ladder includes a third section and a fourth section folded and connected to the third section; one end of the ladder accommodating member is arranged on the luggage rack, and the supporting member is arranged on the ladder accommodating member; the third section is installed on the ladder accommodating member through a plurality of second connecting rods arranged in parallel.

[0025] Optionally, the ladder further comprises:

[0026] a first locking device, the first locking device comprising a locking groove and a locking column, one of the locking groove and the locking column being arranged on the second connecting rod, and the other being arranged on the fourth section, so that the locking column enters the locking groove when the ladder receiving member receives the third section;

[0027] The second locking device is configured to lock the ladder accommodating member and the third section after the ladder accommodating member accommodates the third section.

[0028] The utility model provides a luggage rack assembly, comprising a luggage rack, wherein the luggage rack is arranged on the top of a vehicle, and further comprises any one of the above-mentioned ladders.

[0029] In a ladder and luggage rack assembly for a vehicle of the utility model, one end of the ladder is arranged on the luggage rack, and one end of the ladder can be connected to the luggage rack or one end of the ladder can be placed on the luggage rack. The setting of the support frame ensures that the ladder does not directly contact the side of the vehicle, and provides another force point for the ladder. The above setting can ensure that the user can use the ladder normally while avoiding damage to the vehicle during the use of the ladder, thereby improving the convenience of the user in using the ladder.

[0030] Based on the detailed description of the specific embodiments of the present invention in combination with the accompanying drawings below, those skilled in the art will become more aware of the above and other purposes, advantages and features of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Hereinafter, some specific embodiments of the present invention will be described in detail in an exemplary and non-limiting manner with reference to the accompanying drawings. The same reference numerals in the accompanying drawings indicate the same or similar components or parts. It should be understood by those skilled in the art that these drawings are not necessarily drawn to scale. In the accompanying drawings:

[0032] Figure 1is a schematic structural diagram of a vehicle and a luggage rack assembly according to an embodiment of the utility model;

[0033] Figure 2 yes Figure 1 CC view of the center luggage rack;

[0034] Figure 3 yes Figure 2 A magnified view of middle;

[0035] Figure 4 is a schematic structural diagram of a vehicle and a luggage rack assembly according to another embodiment of the utility model;

[0036] Figure 5 yes Figure 4 Enlarged view of middle B;

[0037] Figure 6 yes Figure 4 Side view of the middle ladder;

[0038] Figure 7 yes Figure 6 DD view of the middle ladder. DETAILED DESCRIPTION

[0039] Refer to the following Figures 1 to 7 To describe the ladder and luggage rack assembly for a vehicle of an embodiment of the utility model. In the description of this embodiment, it should be understood that the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features, that is, include one or more of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. When a feature "includes or contains" one or some of the features it covers, unless otherwise specifically described, this indicates that other features are not excluded and may further include other features.

[0040] Unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix", "couple" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. A person of ordinary skill in the art should be able to understand the specific meanings of the above terms in the present utility model according to the specific circumstances.

[0041] In addition, in the description of this embodiment, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. That is, in the description of this embodiment, the first feature being "above", "above", and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below", or "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0042] In the description of the present embodiment, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0043] Figure 1 2 is a schematic structural diagram of a vehicle 20 and a luggage rack assembly according to an embodiment of the present utility model. Figure 1 As shown, and refer to Figures 2 to 7 The embodiment of the utility model provides a ladder 10 for a vehicle 20. A luggage rack is arranged on the top of the vehicle 20. The ladder 10 includes a ladder 100 body and a support member 200. One end of the ladder 100 is arranged on the luggage rack. The support member 200 is arranged on one side of the ladder 100, and the support member 200 is used to support the side wall of the vehicle 20.

[0044] One end of the ladder 100 is arranged on the luggage rack. One end of the ladder 100 can be connected to the luggage rack or one end of the ladder 100 can be placed on the luggage rack. The setting of the support frame ensures that the ladder 100 does not directly contact the side of the vehicle 20, and provides another force point for the ladder 10. The above setting can ensure that the user can use the ladder 10 normally while avoiding damage to the vehicle 20 during the use of the ladder 10, thereby improving the convenience of the user in using the ladder 10.

[0045] In some embodiments of the present invention, Figure 1As shown, the support member 200 is mounted on the ladder 100 by means of a universal connection. The ladder 10 of these embodiments can be used on vehicles 20 of different shapes. The universal connection allows the support member 200 to adjust the angle of the support member 200 according to the surface flatness of the side wall of the vehicle 20 of different shapes, so that the contact area between the support member 200 and the side wall of the vehicle 20 is maximized, thereby reducing the pressure of the ladder 100 on the side wall of the vehicle 20, avoiding local deformation of the side wall of the vehicle 20, and at the same time, it is also conducive to stably setting the ladder 100 on the side wall of the vehicle 20.

[0046] Further, in some embodiments of the present invention, Figure 5 As shown, the support member 200 is connected to the first support column 300, and the ladder 100 is provided with a second support column 400. The first support column 300 is universally connected to the second support column 400. The support member 200 can adjust the angle in various directions relative to the second support column 400 following the first support column 300, so that the support member 200 can adapt to the side of various vehicles 20, thereby improving the adaptability of the ladder 10.

[0047] In other embodiments of the present invention, a support block is provided on the ladder 100. The first support column 300 is universally connected to the support block.

[0048] Furthermore, in some embodiments of the present invention, a ball head 500 is provided at one end of the first support column 300 away from the support member 200, and a groove is provided on the second support column 400 or the support block, and the ball head 500 is inserted into the groove to make the first support column 300 universally connected with the second support column 400 or the support block.

[0049] In some embodiments of the present invention, the support member 200 is a support block, and the support block is disposed between the ladder 100 and the side wall of the vehicle 20, which can also avoid direct hard contact between the ladder 100 and the side wall.

[0050] In other embodiments of the present invention, the support member 200 is a support ball.

[0051] In some embodiments of the present invention, the support member 200 includes a support portion and a mounting portion, the mounting portion is mounted on one side of the ladder 100, the support portion is made of an elastic material, the support portion is arranged on the mounting portion, and the support portion is used to support the side wall of the vehicle 20. The provision of the elastic support portion allows the support member 200 to fit better with the side wall of the vehicle 20, is more conducive to avoiding local deformation of the side wall of the vehicle 20, and is also more conducive to stably setting the ladder 100 on the side wall of the vehicle 20.

[0052] Furthermore, in some embodiments of the present invention, the support portion is a pad-shaped structure, a block-shaped structure or a spherical structure.

[0053] In some embodiments of the present invention, the luggage rack 600 includes a luggage rack body and a storage space at the lower side of the luggage rack body, the storage space has an opening toward one lateral side, and the ladder 10 can move in and out along the lateral direction of the vehicle 20 through the opening.

[0054] The luggage rack includes a storage space, and the storage space has an opening on at least one lateral side. The ladder 10 is in the storage space and can move in the lateral direction of the vehicle 20 and move out from the opening. When the ladder 10 is needed, the ladder 10 is pulled to move the ladder 10 in the lateral direction of the vehicle 20 and move out of the storage space. One end of the ladder 100 is connected to the luggage rack, and the other end is drooped. The support member 200 contacts the side of the vehicle 20, so that the ladder 100 has two force points, one end and the support member 200. The user can climb to the roof of the vehicle through the ladder 100. When the ladder 10 is not needed, the other end of the ladder 100 is pushed up. When one end of the ladder 100 is horizontal with the other end, the ladder 10 is pushed to move the ladder 10 in the lateral direction of the vehicle 20 into the storage space. At this time, the support member 200 contacts the roof, so that the ladder 10 is placed more stably after being stored in the luggage rack. Therefore, the ladder 10 provided in this embodiment can also be called a hidden vehicle ladder.

[0055] In some embodiments of the present invention, the accommodating space may be composed of two oppositely disposed slide rails 602 connected to the luggage rack body. For example, the slide rails 602 may be made of channel steel.

[0056] Furthermore, in some embodiments of the present invention, the ladder 10 further includes a slider 111 movably disposed in the accommodation space along the lateral direction of the vehicle, and one end of the ladder 100 is movably connected to the slider 111 so that the other end of the ladder 100 swings downward relative to one end of the ladder 100. The slider 111 moves with the ladder 10, and the arrangement of the slider 111 facilitates the installation and replacement of the ladder 10.

[0057] In some embodiments of the present invention, Figure 2 As shown, a first connecting rod 112 is provided between the slider 111 and the ladder 100 , one end of the first connecting rod 112 is rotatably connected to the slider 111 , and the other end of the first connecting rod 112 is rotatably connected to the ladder 100 .

[0058] The ladder 100 moves laterally, and when the other end of the ladder 100 swings downward, one end of the ladder 100 rotates relative to the first connecting rod 112, and the first connecting rod 112 rotates relative to the slider 111. The arrangement of the first connecting rod 112 allows the ladder 100 to fit more closely with the side of the vehicle 20.

[0059] In some embodiments of the present invention, a first limit device is provided between the ladder 100 and the support member 200, and the first limit device is configured to prevent one end of the ladder 100 from swinging relative to the support member 200 in a direction away from the vehicle 20 after the other end of the ladder 100 swings downward relative to one end of the ladder 100 so that the support member 200 is supported on the side wall of the vehicle 20.

[0060] The first limiting device is provided so that one end of the ladder 100 will not be disconnected from the luggage rack, thereby ensuring the stability of the ladder 10 after it is opened.

[0061] Further, in some embodiments of the present invention, the first limiting device is a stopper for limiting the travel of the slider 111. The stopper may be a stopper connected to the luggage rack or disposed on the slide rail 602 to limit the movement position of the slider 111 and prevent the slider 111 from escaping from the accommodation space.

[0062] In other embodiments of the present invention, the first limiting device includes a limiting hole 113 and a limiting shaft 114 inserted into the limiting hole 113, one of the limiting hole 113 and the limiting shaft 114 is provided on the luggage rack, and the other is provided on the ladder 100. For example, the limiting shaft 114 is provided on the ladder 100, and moves in the limiting hole 113 with one end of the ladder 100, and when the edge of the limiting hole 113 limits the movement of the limiting shaft 114, one end of the ladder 100 reaches a proper position.

[0063] Furthermore, in some embodiments of the present invention, the first limiting device further includes a spring 115, and the spring 115 is used to urge the limiting shaft 114 to be inserted into the limiting hole 113. The limiting shaft 114 is arranged on the ladder 100, and moves laterally with one end of the ladder 100. Under the action of the spring 115, when the limiting shaft 114 reaches the position of the limiting hole 113, the limiting shaft 114 is urged to be inserted into the limiting hole 113, thereby limiting the movement of one end of the ladder 100.

[0064] Of course, in other embodiments of the present invention, such as Figure 3 As shown, the limiting shaft 114 may also be connected to the slider 111 to limit the movement of the slider 111 relative to the support member 200 in a direction away from the vehicle 20 .

[0065] Further, in some embodiments of the present invention, Figure 3 As shown, the first limiting device also includes a spring 115, and the limiting shaft 114 is provided with the spring 115. Under the action of the spring 115, the limiting shaft 114 is telescopically provided on the slider 111. When the limiting shaft 114 reaches the limiting hole 113, the spring 115 prompts the limiting shaft 114 to extend into the limiting hole 113, so that the slider 111 stops moving.

[0066] In other embodiments of the present invention, the first limiting device includes a limiting groove and a limiting shaft 114 inserted into the limiting groove, one of the limiting groove and the limiting shaft 114 is arranged on the luggage rack, and the other is arranged on the ladder 10. Of course, the other can also be arranged on the slider 111.

[0067] In some embodiments of the utility model, the ladder 10 further includes a second limiting device, which is configured to prevent one end of the ladder 100 from swinging relative to the support member 200 toward the vehicle 20 after the other end of the ladder 100 swings downward relative to one end of the ladder 100 so that the support member 200 is supported on the side of the vehicle 20. When the user climbs up close to the upper part of the ladder 100, that is, close to one end of the ladder 100, the one end of the ladder 100 will move toward the side close to the vehicle 20. In order to avoid such movement and ensure that the user stands stably on the ladder 10, the second limiting device is provided.

[0068] Further, in some embodiments of the present invention, the second limiting device is a stopper, which is used to contact the ladder 100. The stopper limits one end of the ladder 100 to move in a direction close to the vehicle 20, thereby preventing the user from moving laterally after climbing the ladder 10.

[0069] Alternatively, in some other embodiments of the present invention, the second limiting device is a shift lever, which is used to contact the ladder 100 to limit one end of the ladder 100 from moving in a direction close to the vehicle 20 .

[0070] In some embodiments of the present invention, the second limiting device is a block or a lever, and the block or lever is used to contact the first connecting rod 112. At the same time, the block or lever blocks the first connecting rod 112 from moving in a direction close to the vehicle 20 by contacting the first connecting rod 112.

[0071] In some embodiments of the utility model, the ladder 100 includes a first section 121 and a second section 122 folded and connected to the first section 121, one end of the first section 121 is arranged on the luggage rack, and the support member 200 is arranged on the first section 121. The folding structure makes the ladder 100 more compact and convenient for storage. Preferably, the support member 200 is arranged at the lower end of the first section 121.

[0072] In some embodiments of the utility model, the first section 121 includes a frame structure and a plurality of horizontal braces fixed to the frame structure, and the two ends of the plurality of horizontal braces are arranged on a first vertical plate of the frame structure, which may be riveted. The second section 122 includes a second vertical plate forming a vertical edge of the second section 122. In order to make the second section 122 in close contact with the first section 121 when stored, a plurality of holes are arranged on the vertical plate of the second section 122, and the positions of the holes correspond to the plurality of rivet heads arranged on the first vertical plate. When the second section 122 is folded onto the first section 121, the rivet heads on the first vertical plate enter the holes of the second section 122.

[0073] In some embodiments of the present invention, the second section 122 further includes a first spring latch 116 . The frame structure of the first section 121 is provided with an insertion hole. The first spring latch 116 is inserted into the insertion hole to fix the second section 122 on the first section 121 .

[0074] Further, in some embodiments of the present invention, after the second section 122 is unfolded, the angle between the second section 122 and the first section 121 is an obtuse angle. At this time, the second section 122 has a certain slope, and its function can be used as a hanging rack when the user is camping, such as hanging some items.

[0075] In other embodiments of the present invention, Figure 4 As shown, the ladder 100 includes a ladder accommodating member 125 and a folding ladder, and the folding ladder includes a third section 123 and a fourth section 124 folded and connected to the third section 123. One end of the ladder accommodating member 125 is arranged on the luggage rack, and the support member 200 is arranged on the ladder accommodating member 125. The third section 123 is installed on the ladder accommodating member 125 through a plurality of second connecting rods 126 arranged in parallel. The third section 123 and the fourth section 124 can enter the ladder accommodating member 125 after being folded. When the ladder 10 needs to be opened, the ladder 10 is moved horizontally. When one end of the ladder accommodating member 125 is pulled out from the accommodating space, the other end of the ladder accommodating member 125 swings downward, and the support member 200 arranged on the ladder accommodating member 125 conflicts with the side wall of the vehicle 20. Pull the third section 123 or the fourth section 124 and the second connecting rod 126 rotates, so that the third section 123 and the fourth section 124 are exposed from the receiving member 125. When the second connecting rod 126 rotates to the extreme position, the fourth section 124 is extended from the third section 123 and turned downward to increase the length of the ladder 100.

[0076] In some embodiments of the present invention, Figure 7As shown, the ladder 10 further includes a first locking device and a second locking device. The first locking device includes a locking groove 127 and a locking column, one of which is provided on the second connecting rod 126, and the other is provided on the fourth section 124, so that when the ladder accommodating member 125 accommodates the third section 123 and the fourth section 124, the locking column enters the locking groove 127 to ensure that the third section 123 and the fourth section 124 are locked into one. The second locking device is configured to lock the ladder accommodating member 125 and the third section 123 after the ladder accommodating member 125 accommodates the third section 123.

[0077] Take the example that the locking groove 127 is set on the second connecting rod 126 and the locking column is set on the fourth section 124. When the ladder 10 is used, the fourth section 124 is turned upward and folded with the third section 123, and then the third section 123 and the fourth section 124 are pushed into the ladder accommodating member 125. At this time, the second connecting rod 126 rotates in the opposite direction, and during the rotation process, the locking column enters the locking groove 127 to ensure that the third section 123 and the fourth section 124 will not open again. The second locking device locks the ladder accommodating member 125 and the third section 123. In this way, under the action of the first locking device and the second locking device, the third section 123 and the fourth section 124 are locked together with the ladder accommodating member 125 and will not open.

[0078] Further, in some embodiments of the present invention, Figure 6 As shown, the second locking device includes a second spring latch 128 provided in the ladder accommodation member 125 and a fixing hole 129 provided in the third section 123. After the third section 123 and the fourth section 124 enter the ladder accommodation member 125, the second spring latch 128 is pulled downward, and when the fixing hole 129 of the third section 123 is above the latch of the spring 115, the latch of the spring 115 is released, so that one end of the latch of the spring 115 enters the fixing hole 129, so that the third section 123 and the fourth section 124 are locked together with the ladder accommodation member 125 and will not open.

[0079] An embodiment of the utility model provides a luggage rack assembly, including a luggage rack 600, wherein the luggage rack 600 is arranged on the top of a vehicle 20, and also includes the ladder 10 of any of the above embodiments.

[0080] At this point, those skilled in the art should recognize that, although multiple exemplary embodiments of the present invention have been shown and described in detail herein, many other variations or modifications that conform to the principles of the present invention can still be directly determined or derived from the contents disclosed in the present invention without departing from the spirit and scope of the present invention. Therefore, the scope of the present invention should be understood and recognized as covering all such other variations or modifications.

Claims

1. A ladder for a vehicle, wherein a luggage rack is provided on the top of the vehicle, characterized in that: The ladder comprises: A ladder, one end of which is arranged on the luggage rack; A support member, the support member is arranged on one side of the ladder, and the support member is used to support the side wall of the vehicle; The support member is mounted on the ladder by means of a universal connection; The support member is connected to a first support column, and a second support column or a support block is provided on the ladder; the first support column is universally connected to the second support column or the support block; A ball head is provided at one end of the first support column away from the support member, and a groove is provided on the second support column or the support block. The ball head is inserted into the groove to universally connect the first support column with the second support column or the support block.

2. The ladder according to claim 1, characterized in that The luggage rack comprises a luggage rack body and a storage space at the lower side of the luggage rack body, wherein the storage space has an opening facing one lateral side, and the ladder can move in and out along the lateral direction of the vehicle through the opening.

3. The ladder according to claim 2, characterized in that It also includes a slider disposed in the accommodation space so as to be movable in the lateral direction of the vehicle; one end of the ladder is movably connected to the slider so that the other end of the ladder swings downward relative to the one end of the ladder; A first connecting rod is arranged between the slider and the ladder, one end of the first connecting rod is rotatably connected to the slider, and the other end of the first connecting rod is rotatably connected to the ladder.

4. The ladder according to claim 3, characterized in that A first limiting device is provided between the ladder and the support member, and the first limiting device is configured to prevent one end of the ladder from swinging relative to the support member in a direction away from the vehicle after the other end of the ladder swings downward relative to one end of the ladder so that the support member is supported on the side wall of the vehicle; The first limiting device is a stopper for limiting the travel of the slider, or, The first limiting device comprises a limiting hole and a limiting shaft inserted into the limiting hole, one of the limiting hole and the limiting shaft is arranged on the luggage rack, and the other is arranged on the ladder; The first limiting device further includes a spring, and the spring is used to force the limiting shaft to be inserted into the limiting hole; or, The first limiting device includes a limiting groove and a limiting shaft inserted into the limiting groove, one of the limiting groove and the limiting shaft is arranged on the luggage rack, and the other is arranged on the ladder.

5. The ladder according to claim 4, characterized in that Also includes: a second limiting device, the second limiting device being configured to prevent one end of the ladder from swinging relative to the support member toward the direction approaching the vehicle after the other end of the ladder swings downward relative to the one end of the ladder so that the support member is supported on the side wall of the vehicle; The second limiting device is a stopper or a stopper bar, and the stopper or the stopper bar is used to contact the ladder; or, The second limiting device is a stopper or a shift rod, and the stopper or the shift rod is used to contact the first connecting rod.

6. The ladder according to claim 1, characterized in that The ladder comprises a first section and a second section folded and connected to the first section, one end of the first section is arranged on the luggage rack, and the support member is arranged on the first section; after the second section is unfolded, the angle between the second section and the first section is an obtuse angle; or, The ladder includes a ladder accommodating member and a folding ladder, wherein the folding ladder includes a third section and a fourth section folded and connected to the third section; one end of the ladder accommodating member is arranged on the luggage rack, and the supporting member is arranged on the ladder accommodating member; the third section is installed on the ladder accommodating member through a plurality of second connecting rods arranged in parallel.

7. The ladder according to claim 6, characterized in that Also includes: a first locking device, the first locking device comprising a locking groove and a locking column, one of the locking groove and the locking column being arranged on the second connecting rod, and the other being arranged on the fourth section, so that the locking column enters the locking groove when the ladder receiving member receives the third section; The second locking device is configured to lock the ladder accommodating member and the third section after the ladder accommodating member accommodates the third section.

8. A luggage rack assembly, comprising a luggage rack, wherein the luggage rack is arranged on the top of a vehicle, characterized in that: Also included is a ladder as claimed in any one of claims 1 to 7.

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