Motor home box framework

Abstract

The utility model relates to the technical field of motor homes, and provides a motor home box framework which comprises a plurality of longitudinal supports, a plurality of transverse supports, a plurality of vertical supports and a plurality of inserting grooves formed in one sides of the longitudinal supports at equal intervals. According to the utility model, the inserting block is inserted into the inserting groove, so that the limiting block II slides towards the inside of the side groove, the inserting block is limited and operated by inserting the inserting block into the limiting groove I under the reset acting force of the compression spring II, and then the convex block is inserted into the convex groove of the longitudinal bracket of the lower framework, so that the limiting block II slides towards the inside of the side groove; under the reset acting force of a first compression spring, a limiting block can be inserted into a second limiting groove to limit a convex block, and then the four corners of an upper framework are connected with the upper ends of a plurality of vertical supports in the same mode, so that the number of the overall welding positions of the touring car box framework is small, installation is convenient and fast, time and labor are saved, and the touring car box framework is suitable for popularization and application. Therefore, the manufacturing efficiency of the motor home box framework is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of recreational vehicles, in particular to a box frame of a recreational vehicle. Background Art

[0002] The RV box frame is an important part of the RV structure. It provides support and stability for the entire RV. A good box frame can not only ensure the safety and durability of the RV under various road conditions, but also improve its overall performance and comfort.

[0003] In the prior art, the RV box frame is connected in many places by welding. The manufacturing process is relatively complicated and requires welding aluminum materials together. This process is time-consuming and labor-intensive, resulting in low efficiency in the production of the RV box frame. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the RV box frame is connected in multiple places by welding, and its production process is relatively cumbersome. It is necessary to use welding to weld aluminum materials together. This process is time-consuming and labor-intensive, resulting in low efficiency in the production of the RV box frame.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a caravan box frame, comprising: a plurality of longitudinal brackets, a plurality of transverse brackets and a plurality of vertical brackets, and also comprising:

[0006] Multiple slots are equidistantly arranged on one side of the multiple longitudinal brackets, and the opposite sides of the multiple transverse brackets are fixedly installed with plug blocks, and the outer surfaces of the multiple plug blocks are movably embedded in the interior of the multiple slots. The opposite sides of the multiple vertical brackets are fixedly installed with convex blocks, and the opposite sides of the multiple longitudinal brackets are provided with convex grooves, and the outer surfaces of the multiple convex blocks are movably embedded in the interior of the multiple convex grooves.

[0007] Preferably, side grooves are provided on opposite sides of the inner walls of the plurality of slots, and limit blocks 2 are movably embedded inside the plurality of side grooves. Limit grooves 1 are provided on opposite sides of the plurality of inserts, and the outer surfaces of the plurality of limit blocks 2 are movably embedded inside the plurality of limit grooves 1. Through the above-mentioned arrangement, when the limit block 2 moves outward along the side groove, it will be inserted into the interior of the limit groove 1, thereby limiting the insert block.

[0008] Preferably, a compression spring 2 is movably embedded in the interior of each of the side grooves, one end of each of the compression springs 2 is fixedly mounted on one side of each of the limit blocks 2, and the other end of each of the compression springs 2 is fixedly mounted on one side of the inner wall of each of the side grooves. Through the above arrangement, when the limit block 2 moves toward the interior of the side groove, the compression spring 2 will be compressed.

[0009] Preferably, a square groove is provided on one side of the inner wall of each of the convex grooves, and a limit block 1 is movably embedded in the interior of each of the square grooves. A limit groove 2 is provided on one side of each of the convex blocks, and the outer surfaces of the limit blocks 1 are movably embedded in the interior of the limit grooves 2. Through the above-mentioned arrangement, when the limit block 1 slides outward along the square groove and is inserted into the interior of the limit groove 2, the convex block will be limited.

[0010] Preferably, two compression springs are symmetrically and movably embedded in the interior of the multiple square grooves, one end of the multiple compression springs is symmetrically fixedly installed in pairs on one side of the multiple limit blocks, and the other end of the multiple compression springs is symmetrically fixedly installed in pairs on one side of the inner wall of the multiple square grooves. Through the above-mentioned arrangement, when the limit block is squeezed and slides toward the inside of the square groove, the compression spring will be compressed.

[0011] Preferably, multiple circular holes are equidistantly opened on one side of the multiple transverse brackets, and the multiple circular holes are evenly divided into multiple groups. Connecting rods are movably embedded inside the multiple groups of circular holes. Through the above arrangement, the connecting rods can be inserted into the inside of the circular holes.

[0012] Preferably, one end of each of the connecting rods is fixedly provided with a limiting ring, and the other end of each of the connecting rods is threadedly provided with a nut, and multiple auxiliary brackets are fixedly installed on opposite sides of each of the vertical brackets. The nut can be connected to the connecting rod through the cooperation of the connecting rod and the nut thread, and then a certain limiting effect is played by the setting of the limiting ring.

[0013] Preferably, multiple of the insert blocks are symmetrically provided with two inclined planes 1 on the side away from the horizontal bracket, multiple of the convex blocks are provided with inclined plane 2 on the side away from the vertical bracket, multiple of the limit blocks 1 are provided with inclined plane 3 on the side close to the convex block, and multiple of the limit blocks 2 are provided with inclined plane 4 on the side close to the horizontal bracket. Through the above-mentioned settings, it is convenient for the convex block to squeeze the limit block 1, and it is convenient for the insert block to squeeze the limit block 2.

[0014] Compared with the prior art, the advantages and positive effects of the present invention are:

[0015] 1. The utility model inserts the insert block into the slot so that the inclined surface 1 of the insert block contacts and squeezes the inclined surface 4 of the limiting block 2, so that the limiting block 2 slides toward the inside of the side groove, and the compression spring 2 is compressed synchronously. When the extrusion force on the limiting block 2 disappears, the limiting block 2 can slide outward along the side groove under the reset force of the compression spring 2 and be inserted into the inside of the limiting groove 1 to limit the insert block. The operation is as above, so that the two longitudinal brackets, multiple transverse brackets and multiple insert blocks are divided into a group to complete the upper frame and the lower frame. Then, the convex block is inserted into the convex groove of the longitudinal bracket of the lower frame so that the inclined surface 2 of the convex block contacts the inclined surface 3 of the limiting block 1. , and squeeze, so that the limit block slides toward the inside of the square groove, and the compression spring 1 is compressed synchronously. When the extrusion force on the limit block 1 disappears, the limit block 1 can slide outward along the square groove under the reset force of the compression spring 1 and be inserted into the inside of the limit groove 2, limiting the convex block, so that multiple vertical brackets are respectively connected to the four corners of the lower frame, and then the four corners of the upper frame are connected to the upper ends of the multiple vertical brackets in the same way, and then the auxiliary bracket is connected to the vertical bracket by welding. In this way, the overall welding place of the RV box frame is reduced, the installation is convenient, and it is more time-saving and labor-saving, thereby improving the efficiency of the RV box frame production.

[0016] 2. The utility model connects multiple transverse brackets together by inserting the connecting rod into the inside of the circular hole, and rotating the nut to make it rotate and move along the outer surface of the connecting rod toward the side of the limiting ring, so that the nut contacts the transverse bracket, and with the cooperation of the limiting ring, the connecting rod can be stably connected to the multiple transverse brackets. In this way, the longitudinal bearing capacity of the RV box frame can be improved through multiple connecting rods, thereby improving the overall strength of the RV box frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a caravan box frame provided by the utility model;

[0018] Figure 2 This is a schematic diagram of a partially disassembled structure of a caravan box frame provided by the utility model;

[0019] Figure 3 The utility model provides a caravan box frame Figure 2 A in the middle is an enlarged structural diagram;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of a recreational vehicle box frame provided by the utility model.

[0021] Legend:

[0022] 1. Longitudinal bracket; 101. Horizontal bracket; 102. Vertical bracket; 103. Round hole; 104. Insert block; 105. Limiting slot 1; 106. Slot; 107. Convex slot; 108. Square slot; 109. Convex block; 110. Limiting block 1; 111. Compression spring 1; 112. Limiting block 2; 113. Compression spring 2; 114. Side groove; 115. Limiting slot 2; 2. Connecting rod; 201. Limiting ring; 202. Nut; 3. Auxiliary bracket. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0025] Example 1, as Figures 1 to 4As shown, the utility model provides a caravan box frame, comprising: a plurality of longitudinal brackets 1, a plurality of transverse brackets 101 and a plurality of vertical brackets 102, and further comprising: a plurality of slots 106, which are equidistantly opened on one side of the plurality of longitudinal brackets 1, a plurality of transverse brackets 101 are fixedly installed with plug blocks 104 on opposite sides thereof, the outer surfaces of the plurality of plug blocks 104 are movably embedded in the interiors of the plurality of slots 106, a plurality of vertical brackets 102 are fixedly installed with convex blocks 109 on opposite sides thereof, and a plurality of longitudinal brackets 1 are provided with convex grooves 106 on opposite sides thereof. 7. The outer surfaces of the plurality of convex blocks 109 are movably embedded in the interiors of the plurality of convex grooves 107. The inner walls of the plurality of slots 106 are provided with side grooves 114 on the opposite sides thereof. The interiors of the plurality of side grooves 114 are movably embedded with a second limiting block 112. The opposite sides of the plurality of inserts 104 are provided with a first limiting groove 105. The outer surfaces of the plurality of second limiting blocks 112 are movably embedded in the interiors of the plurality of first limiting grooves 105. The interiors of the plurality of side grooves 114 are movably embedded with a second compression spring 113. One end of the plurality of second compression springs 113 is fixedly mounted on the plurality of One side of a limit block 2 112, the other ends of multiple compression springs 2 113 are respectively fixedly installed on one side of the inner wall of multiple side grooves 114, one side of the inner wall of multiple convex grooves 107 is provided with a square groove 108, and the interiors of multiple square grooves 108 are all movably embedded with a limit block 110, and one side of multiple convex blocks 109 is provided with a limit groove 2 115, and the outer surfaces of multiple limit blocks 1 10 are respectively movably embedded in the interiors of multiple limit grooves 2 115, and the interiors of multiple square grooves 108 are symmetrically and movably embedded with two compression springs 111, multiple compression springs One end of a 111 is symmetrically fixed in pairs on one side of multiple limit blocks 110, and the other ends of multiple compression springs 111 are symmetrically fixed in pairs on one side of the inner wall of multiple square grooves 108. Multiple insertion blocks 104 are symmetrically provided with two inclined planes 1 on the side away from the horizontal bracket 101, and multiple convex blocks 109 are provided with inclined plane 2 on the side away from the vertical bracket 102. Multiple limit blocks 110 are provided with inclined plane 3 on the side close to the convex block 109, and multiple limit blocks 2 112 are provided with inclined plane 4 on the side close to the horizontal bracket 101.

[0026] In this embodiment, by inserting the plug block 104 into the interior of the slot 106, the inclined surface 1 of the plug block 104 contacts and squeezes the inclined surface 4 of the limit block 2 112, so that the limit block 2 112 slides toward the inside of the side groove 114, and the compression spring 2 113 is compressed simultaneously. When the extrusion force on the limit block 2 112 disappears, the limit block 2 112 can slide outward along the side groove 114 under the reset force of the compression spring 2 113 and be inserted into the interior of the limit groove 105 to limit the plug block 104. The operation is as above, so that the two longitudinal brackets 1, multiple transverse brackets 101 and multiple plug blocks 104 are divided into a group to complete the upper frame and the lower frame. Then, the convex block 109 is inserted into the convex groove 107 of the longitudinal bracket 1 of the lower frame, so that the inclined surface 2 of the convex block 109 contacts the limit block The three inclined surfaces of 110 contact and squeeze, causing the limit block 110 to slide toward the inside of the square groove 108, and simultaneously compressing the compression spring 111. When the extrusion force on the limit block 110 disappears, the limit block 110 can slide outward along the square groove 108 under the reset force of the compression spring 111, and be inserted into the inside of the limit groove 2 115, thereby limiting the convex block 109, so that multiple vertical brackets 102 are respectively connected to the four corners of the lower frame, and then the four corners of the upper frame are connected to the upper ends of the multiple vertical brackets 102 in the same way, and then the auxiliary bracket 3 is connected to the vertical bracket 102 by welding. In this way, the overall welding place of the RV box frame is reduced, the installation is convenient, and it is more time-saving and labor-saving, thereby improving the efficiency of the RV box frame production.

[0027] Example 2, as Figures 1 to 4 As shown, multiple circular holes 103 are equidistantly provided on one side of multiple horizontal brackets 101, and the multiple circular holes 103 are evenly divided into multiple groups. Connecting rods 2 are movably embedded inside the multiple groups of circular holes 103, and one end of the multiple connecting rods 2 is fixedly sleeved with a limiting ring 201, and the other end of the multiple connecting rods 2 is threadedly sleeved with a nut 202, and multiple auxiliary brackets 3 are fixedly installed on opposite sides of each of the multiple vertical brackets 102.

[0028] In this embodiment, multiple transverse brackets 101 are connected together by inserting the connecting rod 2 into the inside of the circular hole 103, and the nut 202 is rotated to rotate and move along the outer surface of the connecting rod 2 toward the side of the limiting ring 201, so that the nut 202 contacts the transverse bracket 101, and with the cooperation of the limiting ring 201, the connecting rod 2 can be stably connected to the multiple transverse brackets 101, so that the longitudinal bearing capacity of the RV box frame can be improved by multiple connecting rods 2, thereby improving the overall strength of the RV box frame.

[0029] Working principle: When in use, insert the insert block 104 into the slot 106, so that the inclined surface 1 of the insert block 104 contacts and squeezes the inclined surface 4 of the limit block 2 112, so that the limit block 2 112 slides toward the inside of the side groove 114, and the compression spring 2 113 is compressed at the same time. When the extrusion force on the limit block 2 112 disappears, the limit block 2 112 can slide outward along the side groove 114 under the reset force of the compression spring 2 113 and be inserted into the inside of the limit groove 105, thereby pressing the insert block 104. The operation is as above, so that the two longitudinal brackets 1, multiple transverse brackets 101 and multiple plug blocks 104 are divided into a group to complete the upper frame and the lower frame, and then the convex block 109 is inserted into the convex groove 107 of the longitudinal bracket 1 of the lower frame, so that the inclined surface 2 of the convex block 109 contacts the inclined surface 3 of the limiting block 110, and squeezes, so that the limiting block 110 slides into the inside of the square groove 108, and the compression spring 111 is compressed synchronously. When the extrusion force on the limiting block 110 disappears, the compression spring 111 is pressed against the limiting block 110. Under the resetting force, the limiting block 110 can slide outward along the square groove 108 and be inserted into the inside of the limiting groove 2 115 to limit the convex block 109, so that the multiple vertical brackets 102 are connected to the four corners of the lower frame respectively, and then the four corners of the upper frame are connected to the upper ends of the multiple vertical brackets 102 in the same way, and then the auxiliary bracket 3 is connected to the vertical bracket 102 by welding. In this way, the overall welding place of the RV box frame is reduced, the installation is convenient, and it is relatively time-saving and labor-saving, thereby improving the RV. To improve the efficiency of box frame production, insert the connecting rod 2 into the inside of the circular hole 103, connect multiple transverse brackets 101 together, and rotate the nut 202 to rotate and move along the outer surface of the connecting rod 2 toward the side of the limiting ring 201, so that the nut 202 is in contact with the transverse bracket 101, and with the cooperation of the limiting ring 201, the connecting rod 2 can be stably connected to the multiple transverse brackets 101, so that the longitudinal bearing capacity of the RV box frame can be improved by multiple connecting rods 2, thereby improving the overall strength of the RV box frame.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A caravan box frame, comprising: A plurality of longitudinal supports (1), a plurality of transverse supports (101) and a plurality of vertical supports (102), characterized in that it further comprises: A plurality of slots (106) are equidistantly provided on one side of the plurality of longitudinal brackets (1); a plurality of transverse brackets (101) are fixedly provided with plug blocks (104) on opposite sides thereof; outer surfaces of the plurality of plug blocks (104) are movably embedded in the interior of the plurality of slots (106); a plurality of vertical brackets (102) are fixedly provided with convex blocks (109) on opposite sides thereof; a plurality of longitudinal brackets (1) are provided with convex grooves (107) on opposite sides thereof; outer surfaces of the plurality of convex blocks (109) are movably embedded in the interior of the plurality of convex grooves (107).

2. The RV box frame according to claim 1, characterized in that: A side groove (114) is provided on the opposite side of the inner wall of the plurality of slots (106), and a limit block 2 (112) is movably embedded inside the plurality of side grooves (114). A limit groove 1 (105) is provided on the opposite side of the plurality of insert blocks (104), and the outer surfaces of the plurality of limit blocks 2 (112) are movably embedded inside the plurality of limit grooves 1 (105).

3. The RV box frame according to claim 2, characterized in that: A plurality of compression springs (113) are movably embedded in the interior of the side grooves (114), one end of the plurality of compression springs (113) is fixedly mounted on one side of the plurality of limit blocks (112), and the other end of the plurality of compression springs (113) is fixedly mounted on one side of the inner wall of the plurality of side grooves (114).

4. The RV box frame according to claim 3, characterized in that: A square groove (108) is provided on one side of the inner wall of the plurality of convex grooves (107), and a limit block 1 (110) is movably embedded inside the plurality of square grooves (108). A limit groove 2 (115) is provided on one side of the plurality of convex blocks (109), and the outer surfaces of the plurality of limit blocks 1 (110) are movably embedded inside the plurality of limit grooves 2 (115).

5. The RV box frame according to claim 4, characterized in that: Two compression springs (111) are symmetrically and movably embedded in the interior of the plurality of square grooves (108), one end of the plurality of compression springs (111) is symmetrically fixedly installed in pairs on one side of the plurality of limit blocks (110), and the other end of the plurality of compression springs (111) is symmetrically fixedly installed in pairs on one side of the inner wall of the plurality of square grooves (108).

6. The RV box frame according to claim 5, characterized in that: Multiple circular holes (103) are evenly spaced on one side of the multiple transverse brackets (101), and the multiple circular holes (103) are evenly divided into multiple groups. Connecting rods (2) are movably embedded in the interiors of the multiple groups of circular holes (103).

7. The RV box frame according to claim 6, characterized in that: One end of each of the plurality of connecting rods (2) is fixedly sleeved with a limiting ring (201), and the other end of each of the plurality of connecting rods (2) is threadedly sleeved with a nut (202), and a plurality of auxiliary brackets (3) are fixedly mounted on opposite sides of each of the plurality of vertical brackets (102).

8. The RV box frame according to claim 7, characterized in that: The plurality of insert blocks (104) are symmetrically provided with two inclined planes one on a side away from the horizontal bracket (101), the plurality of convex blocks (109) are provided with inclined plane two on a side away from the vertical bracket (102), the plurality of limit blocks one (110) are provided with inclined plane three on a side close to the convex block (109), and the plurality of limit blocks two (112) are provided with inclined plane four on a side close to the horizontal bracket (101).

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