Vehicle-mounted luggage rack bottom plate metal piece with combined butt joint structure

Abstract

The utility model discloses a vehicle-mounted luggage rack bottom plate metal piece with a combined butt joint structure, which relates to the field of vehicle-mounted luggage racks, and comprises a rack main rod, a plurality of groups of rack auxiliary rods are connected to the inner side of the rack main rod, bases are fixed at the bottoms of the rack auxiliary rods in a bilateral symmetry manner, and an extension rod penetrates through an extension groove in a sliding manner. Limiting grooves are formed in the two sides of the extension rod correspondingly, and a plurality of clamping grooves are formed in the inner side of the limiting groove on the right side. According to the vehicle-mounted luggage rack bottom plate metal piece with the combined butt joint structure, the rack main rod can be pulled to be combined into a wide luggage rack, more articles can be loaded by increasing the width of the luggage rack, the loading capacity of the luggage rack is improved, the rack auxiliary rod and the rack main rod can be driven to be installed in a butt joint mode when an L-shaped block is positioned, and the labor intensity is reduced. The stability and the mounting efficiency during mounting of the auxiliary frame rod are improved, the threaded rod can be positioned when the push block is positioned, so that the threaded rod is prevented from rotating during long-time bumping and shaking, and the stability during butt joint of the auxiliary frame rod and the main frame rod is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle luggage racks, in particular to a vehicle luggage rack bottom plate metal piece provided with a combined docking structure. Background Art

[0002] A vehicle luggage rack is a device installed on the roof of a car to add additional storage space and facilitate carrying more luggage or other items. The vehicle luggage rack with a combined docking structure is a flexible and versatile luggage rack design that allows users to adjust and reconfigure the structure of the luggage rack as needed, making it more convenient to use. The metal parts of the luggage rack bottom plate are responsible for providing stability and load-bearing capacity for the luggage rack and are an important component of the luggage rack.

[0003] At present, there are still some shortcomings in the vehicle luggage rack, such as the overall connection of the luggage rack is not firm:

[0004] To overcome the problem of a loose overall connection of a luggage rack, a prior art Chinese patent (publication number: CN218536544U) discloses a luggage rack that uses a butt-jointed connection to securely connect the bracket and side frames, improving the overall stability of the luggage rack's load-bearing surface and preventing it from loosening under load. Fastening screws then securely connect the short and long profile frames to the bracket and side frames one by one, further strengthening the overall stability of the luggage rack's load-bearing surface.

[0005] However, the currently used vehicle luggage racks still have certain shortcomings. In the above document, the short profile rack and the long profile rack are fixedly connected to the bracket and the side rack one by one by fastening screws. This connection method requires disassembling multiple racks when replacing a rack, which is time-consuming. In addition, the bolts are prone to loosening due to long-term vibration and bumps, which may cause the rack to fall off. In addition, the rack is not convenient to adjust the width according to loading needs, which affects the loading effect. Therefore, the existing structure needs to be improved. Utility Model Content

[0006] The purpose of the present invention is to provide a vehicle luggage rack bottom plate metal part with a combined docking structure to solve the problems in the above background technology that the luggage rack is inconvenient to adjust and assemble, affecting the loading effect, and is inconvenient to dock, reducing the use efficiency.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a metal part of a vehicle luggage rack bottom plate with a combined docking structure, comprising a main rack rod, a plurality of sets of auxiliary rack rods connected to the inner side of the main rack rod, and bases fixed symmetrically to the bottom of the auxiliary rack rods;

[0008] The upper surface of the rack auxiliary rod is provided with extension grooves symmetrically on the left and right sides, an extension rod slides through the extension groove, both sides of the extension rod are provided with limit grooves, the inner side of the limit groove on the right side is provided with multiple engaging grooves, and an adjustment mechanism for adjusting the width of the luggage rack is provided inside the extension groove;

[0009] Both ends of the frame auxiliary rod and the extension rod are fixed with placement blocks, and the placement blocks are internally provided with a disassembly and assembly mechanism for installing the frame auxiliary rod.

[0010] Furthermore, the adjustment mechanism includes a limit block, which is symmetrically fixed on the inner side of the extension slot. The limit block is slidingly connected to the extension rod, and the limit block on the right is slidingly connected to the inside of the frame auxiliary rod via a locking block.

[0011] Furthermore, a pull rod is fixed to the side of the engaging block, and the pull rod slides through the inside of the frame auxiliary rod. A spring is connected between the engaging block and the frame auxiliary rod, and the engaging block is engaged with the engaging groove.

[0012] Furthermore, the disassembly and assembly mechanism includes a guide groove, which is opened inside the placement block and the rack sub-rod. A threaded rod rotates through the guide groove, and an L-shaped block is threadedly connected to the surface of the threaded rod.

[0013] Furthermore, a placement groove is provided on the inner side of the main rod of the frame, and the L-shaped block slides through the guide groove. Positioning grooves are symmetrically provided on both sides of the placement groove, and the positioning grooves are snap-connected with the L-shaped block.

[0014] Furthermore, a positioning mechanism is provided inside the auxiliary rod of the frame to prevent the threaded rod from loosening. The positioning mechanism includes a movable groove, which is opened on the side of the auxiliary rod of the frame close to the threaded rod. A push block slides through the movable groove, and a rubber block is connected to the side of the push block. Six groups of slots are provided on the rotating head surface of the threaded rod, and a limiting groove is provided on the inner side of the slot.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. This vehicle-mounted luggage rack floor metal part features a modular docking structure. By pulling the main rack rod, it can be assembled into a wider luggage rack. The increased width of the luggage rack allows for more items to be loaded, thereby increasing the rack's loading capacity. The L-shaped block, when positioned, drives the auxiliary rack rod to dock with the main rack rod, improving the stability and efficiency of the auxiliary rack rod installation. The push block, when positioned, can also position the threaded rod, thereby preventing the threaded rod from rotating during prolonged bumpy shaking, thereby improving the stability of the auxiliary rack rod when docked with the main rack rod.

[0017] 2. Equipped with an extension rod, the extension rod and the auxiliary rod are at the same level to prevent the loaded items from tilting due to different heights. At the same time, the weight of the goods can be distributed more evenly, resulting in better use effect.

[0018] 3. It is equipped with a snap block and a snap slot. The snap block can be snapped into position with the snap slot. Since the spacing coefficients between each snap slot are the same, the main rod of the rack can be moved to the specified position more accurately, and it is not easy to cause the width of the two sides of the luggage rack to be different.

[0019] 4. A threaded rod is provided, through which the two L-shaped blocks can be operated to move at the same time. Compared with multiple threaded connections of transmission, the operation efficiency is improved and the stability of the connection is also improved;

[0020] 5. A rubber block is provided, and the rubber of the rubber block can be positioned with the limiting groove, thereby driving the threaded rod to be positioned, preventing the threaded rod from loosening due to bumps, causing the frame auxiliary rod and the frame main rod to fall off, and improving the stability of the connection between the frame auxiliary rod and the frame main rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall front-view three-dimensional structure of the utility model;

[0022] Figure 2 This is an enlarged three-dimensional structural diagram of the auxiliary rod of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional structure of the extension rod of the utility model;

[0024] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged three-dimensional structure of the middle part A;

[0025] Figure 5 This is a schematic diagram of the sectional three-dimensional structure of the placement block of the utility model;

[0026] Figure 6 This is an enlarged sectional view of the three-dimensional structure of the push block of the utility model.

[0027] In the figure: 1. main rod; 2. auxiliary rod; 3. base; 201. extension slot; 202. extension rod; 203. limiting slot; 204. engaging slot; 205. limiting block; 206. engaging block; 207. pull rod; 208. placement block; 209. guide slot; 210. threaded rod; 211. L-shaped block; 212. placement slot; 213. positioning slot; 214. movable slot; 215. push block; 216. rubber block; 217. slot; 218. limiting slot. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1: Figures 1-4 The technical solution shown in the figure, the utility model provides the following technical solution: In order to solve the problem that the luggage rack is inconvenient to change the width by adjusting the combination, which affects the loading effect, an adjustment mechanism is disclosed:

[0030] The invention comprises a main rack rod 1, the inner side of which is connected to a plurality of auxiliary rack rods 2, the bottom of the auxiliary rack rod 2 being symmetrically fixed with a base 3, the upper surface of the auxiliary rack rod 2 being symmetrically provided with an extension groove 201, an extension rod 202 slidingly passing through the extension groove 201, and limiting grooves 203 being provided on both sides of the extension rod 202, a plurality of engaging grooves 204 being provided on the inner side of the limiting groove 203 on the right side, an adjusting mechanism for adjusting the width of the luggage rack being provided inside the extension groove 201, a placement block 208 being fixed at both ends of the auxiliary rack rod 2 and the extension rod 202, and a positionable space being provided inside the placement block 208 The disassembly and assembly mechanism of the rack auxiliary rod 2 is installed, and the adjustment mechanism includes a limit block 205, which is symmetrically fixed on the inner side of the extension groove 201, and the limit block 205 is slidably connected to the extension rod 202. The limit block 205 on the right side is slidably connected to the inside of the rack auxiliary rod 2 with a snap block 206, and a pull rod 207 is fixed on the side of the snap block 206. The pull rod 207 slides through the inside of the rack auxiliary rod 2, and a spring is connected between the snap block 206 and the rack auxiliary rod 2. The snap block 206 is snap-connected to the snap slot 204. The luggage rack is fixed to the roof through the base 3, and then the luggage items are placed on the roof. The loading is realized by tying the main rod 1 and the auxiliary rod 2 of the frame. Before loading, the pull rod 207 can be pulled to drive the locking block 206 to move. When the locking block 206 moves, it can slide inside the limit block 205 and the locking groove 204. When the locking block 206 slides, the spring can be squeezed. After the clamping block 206 is squeezed out of the locking groove 204, the main rod 1 of the frame can be pulled to drive the extension rod 202 to move. When the extension rod 202 moves, it can slide through the extension groove 201. At the same time, the extension rod 202 can drive the limiting groove 203 and the locking groove 204 to slide. The limiting groove 203 slides. When the locking block 206 is reset, it can be engaged with the other set of locking grooves 204 for positioning. When the locking grooves 204 are positioned, the main rod 1 on the other side can be pulled in the same way to form a wider luggage rack. The increased width of the luggage rack can load more items, thereby improving the loading capacity of the luggage rack.

[0031] Example 2: Figure 1 and Figure 5 The technical solution shown in the figure, the utility model provides the following technical solutions: In order to solve the problem that the luggage rack is inconvenient to dock, reduces the efficiency of use, and also affects the effect of later maintenance, a disassembly and assembly mechanism is disclosed:

[0032] The disassembly and assembly mechanism includes a guide groove 209, which is provided in the placement block 208 and the rack auxiliary rod 2. A threaded rod 210 is rotated through the guide groove 209, and an L-shaped block 211 is threadedly connected on the surface of the threaded rod 210. A placement groove 212 is provided on the inner side of the rack main rod 1, and the L-shaped block 211 slides through the guide groove 209. Positioning grooves 213 are symmetrically provided on both sides of the placement groove 212. The positioning grooves 213 and the L-shaped block 211 are snap-fitted. When the luggage rack needs to be docked and assembled, the mobile rack auxiliary rod 2 can drive the two extension rods 202 to move. When the extension rod 202 moves, it can drive the placement block 208 to move. When the placement block 208 moves, When it moves to the top of the placement groove 212, it can move down to the inside. When the placement block 208 moves to the inside of the placement groove 212, it can drive the L-shaped block 211 to move to the side of the positioning groove 213. At this time, the rotating threaded rod 210 can rotate through the guide groove 209. When the threaded rod 210 rotates, it can drive the L-shaped block 211 to slide threadedly. When the L-shaped block 211 slides threadedly, it can slide through the guide groove 209. When the L-shaped block 211 slides to the inside of the positioning groove 213, it can be squeezed and positioned. When the L-shaped block 211 is positioned, it can drive the frame auxiliary rod 2 to dock and install with the frame main rod 1, thereby improving the stability and installation efficiency of the frame auxiliary rod 2 during installation.

[0033] Example 3: Figure 5 and Figure 6 The technical solution shown in the figure, the utility model provides the following technical solution: In order to solve the problem that the rack sub-rod 2 of the luggage rack may fall off, based on the second embodiment, a positioning mechanism is disclosed:

[0034] The rack auxiliary rod 2 is also provided with a positioning mechanism to prevent the threaded rod 210 from loosening. The positioning mechanism includes a movable groove 214. The movable groove 214 is opened on the side of the rack auxiliary rod 2 close to the threaded rod 210. A push block 215 is slid through the movable groove 214. The side of the push block 215 is connected to a rubber block 216. The rotating head surface of the threaded rod 210 is provided with six groups of slots 217. The inner side of the slot 217 is provided with a limiting groove 218. When the luggage rack is docked, the threaded rod 210 can rotate. When the threaded rod 210 rotates, it can drive the slot 217 to rotate. After the luggage rack is docked, the slot 217 can be rotated to the side of the push block 215. When the rubber block 216 is squeezed to the side of the limiting groove 218, the rubber block 216 can be deformed by its own material when squeezed. When the rubber block 216 is deformed, it can be squeezed into the limiting groove 218 for positioning. When the rubber block 216 is positioned, it can drive the push block 215 to be positioned. When the push block 215 is positioned, the threaded rod 210 can be positioned, thereby preventing the threaded rod 210 from rotating during long-term bumpy shaking, thereby improving the stability of the frame auxiliary rod 2 and the frame main rod 1 when docking.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A metal part for a vehicle luggage rack bottom plate with a combined docking structure, comprising a main rack rod (1), a plurality of rack auxiliary rods (2) connected to the inner side of the main rack rod (1), and bases (3) fixed symmetrically on the bottom of the rack auxiliary rods (2), characterized in that ； An extension slot (201) is symmetrically provided on the upper surface of the rack auxiliary rod (2), an extension rod (202) is slidably passed through the extension slot (201), limiting slots (203) are provided on both sides of the extension rod (202), a plurality of engaging slots (204) are provided on the inner side of the limiting slot (203) on the right side, and an adjustment mechanism for adjusting the width of the luggage rack is provided inside the extension slot (201); Both ends of the frame auxiliary rod (2) and the extension rod (202) are fixed with placement blocks (208), and a disassembly and assembly mechanism capable of assembling the frame auxiliary rod (2) is provided inside the placement block (208).

2. The vehicle luggage rack bottom plate metal member with a combined docking structure according to claim 1, characterized in that: The adjustment mechanism comprises a limit block (205), the limit block (205) being symmetrically fixed inside the extension slot (201), the limit block (205) being slidably connected to the extension rod (202), and a snap-fit block (206) being slidably connected inside the right limit block (205) and the frame sub-rod (2).

3. The vehicle luggage rack bottom plate metal member with a combined docking structure according to claim 2, characterized in that: A pull rod (207) is fixed to the side of the engaging block (206), and the pull rod (207) slides through the inside of the frame auxiliary rod (2). A spring is connected between the engaging block (206) and the frame auxiliary rod (2), and the engaging block (206) is engaged with the engaging groove (204).

4. The vehicle luggage rack bottom plate metal member with a combined docking structure according to claim 1, characterized in that: The disassembly and assembly mechanism comprises a guide groove (209) which is provided inside the placement block (208) and the rack sub-rod (2). A threaded rod (210) is rotatably passed through the guide groove (209). An L-shaped block (211) is threadedly connected to the surface of the threaded rod (210).

5. The vehicle luggage rack bottom plate metal member with a combined docking structure according to claim 1, characterized in that: A placement groove (212) is provided on the inner side of the main frame rod (1), and the L-shaped block (211) slides through the guide groove (209). Positioning grooves (213) are symmetrically provided on both sides of the placement groove (212), and the positioning grooves (213) are engaged with the L-shaped block (211).

6. The vehicle luggage rack bottom plate metal member with a combined docking structure according to claim 1, characterized in that: A positioning mechanism for preventing the threaded rod (210) from loosening is further provided inside the frame auxiliary rod (2), the positioning mechanism comprising a movable groove (214), the movable groove (214) being provided through the side of the frame auxiliary rod (2) close to the threaded rod (210), a push block (215) slidingly extending through the inside of the movable groove (214), a rubber block (216) being connected to the side of the push block (215), six groups of slots (217) being provided on the rotating head surface of the threaded rod (210), and a limiting groove (218) being provided inside the slots (217).

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