Van caravan stage quick switching device

By designing a support structure consisting of adjustment columns, adjustment rods, rotating columns, and rotating rods, the problem of low conversion efficiency of van-type covered stages on uneven ground was solved, achieving a rapid conversion effect.

CN224090098UActive Publication Date: 2026-04-07BEIJING 1ST ROAD ADVERTISING MEDIA CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing van-type covered stage takes a long time to unfold and fold on uneven ground, which affects the conversion efficiency.

Method used

A support structure comprising an adjusting column, an adjusting rod, a rotating column, and a rotating rod was designed. By adjusting multiple adjusting columns simultaneously, it can adapt to uneven ground, simplify the process of adjusting the support structure one by one, and improve conversion efficiency.

Benefits of technology

It enables the stage to be quickly unfolded and folded on uneven ground, saving overall conversion time and improving conversion efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224090098U_ABST
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Abstract

The utility model relates to the technical field of van trucks, and discloses a van truck caravan stage quick switching device which comprises a carriage bottom plate, first rotating plates symmetrically and rotationally connected to the side face of the carriage bottom plate, and second rotating plates rotationally connected to the sides, away from the carriage bottom plate, of the first rotating plates. Movable sleeves are slidably connected to two side surfaces of the first rotating plate, T-shaped columns are slidably connected to the inner walls of the movable sleeves, and first springs are fixedly connected to one ends of the T-shaped columns; the second rotating plate can be supported on the uneven ground without adjusting the supporting structures used for supporting the second rotating plate one by one, the time needed for overall state conversion is saved, the conversion efficiency is improved, when the second rotating plate is folded, only the multiple adjusting columns need to be adjusted at the same time, and the second rotating plate can be folded conveniently. Therefore, the supporting structure for supporting the second rotating plate can be folded, one-by-one folding is avoided, and the conversion efficiency is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to box type truck technical field more particularly to a van stage quick conversion device of van. BACKGROUND

[0002] The van with stage is a kind of special modified vehicle, usually used in mobile performance, road show, promotion activities and other occasions, through hydraulic system, the van can be quickly unfolded into stage, the ground around the parking position of van appears uneven, in the prior art, the length of support structure is adjusted one by one to adapt to the stage supporting on uneven ground, and the time consumption is long during stage unfolding or folding, thereby affecting the conversion efficiency of van stage. UTILITARY MODEL CONTENT

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a van stage quick conversion device of van to solve the problems in the above background art.

[0004] The utility model provides the following technical scheme: a van stage quick conversion device of van, including van floor, the first rotating plate of symmetrical rotation connection in the side surface of van floor and the second rotating plate of rotation connection in the side of first rotating plate away from van floor, two side surfaces of first rotating plate all are connected with movable sleeve slidingly, the inner wall sliding connection of movable sleeve has T-shaped column, one end of T-shaped column is fixedly connected with first spring, the end of T-shaped column away from first spring is fixedly connected with L-shaped block, two side surfaces of second rotating plate all are fixedly connected with fixed plate, L-shaped block and fixed plate cooperation installation, the lower surface equidistance of second rotating plate is fixedly connected with mounting seat, the surface rotationally connected with rotating column of mounting seat, the surface of rotating column is equipped with the column groove, the column groove wall is connected with support column slidingly, the upper end of support column is fixedly connected with second spring, the upper end of rotating column is engagedly connected with rack column, the end of support column close to second spring is fixedly connected with lug, the surface cooperation installation of lug is equipped with rotating rod, the end of rotating rod away from lug is equipped with adjusting column through torsion spring, adjusting column and rack column cooperation installation, two two between the adjusting column of multiple is rotationally connected with adjusting rod.

[0005] Preferably, the surface of the mounting seat is fixedly connected with a limiting block beside the rotating column.

[0006] Preferably, the end of the adjusting column away from the rotating rod is fixedly connected with a connecting spring, and the other end of the connecting spring is fixedly connected with the rack column.

[0007] Preferably, the surface of the two adjusting rods is slidingly connected with a U-shaped column.

[0008] Preferably, the surface of the U-shaped column is connected with a stud by screw thread.

[0009] Preferably, one end of each of the plurality of movable sleeves close to the carriage floor is fitted with an arc-shaped block, and each of the plurality of arc-shaped blocks is fixedly connected with the carriage floor.

[0010] The technical effects and advantages of the present application are as follows:

[0011] 1. The plurality of adjusting columns, adjusting rods, rotating columns and rotating rods are arranged, so that the support structure for supporting the second rotating plate can be adjusted without being adjusted one by one, and the second rotating plate can be supported on uneven ground, the time required for overall conversion is saved, and the conversion efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic view of the overall structure of the present application.

[0013] Figure 2 It is a schematic view of the overall structure of the present application. Figure 1 It is an enlarged view of A in the present application.

[0014] Figure 3 It is an enlarged view of B in the present application. Figure 1 It is an enlarged view of B in the present application.

[0015] Figure 4 It is a schematic view of the local structure of the first rotating plate and the second rotating plate of the present application.

[0016] Figure 5 It is an enlarged view of C in the present application. Figure 4 It is an enlarged view of C in the present application.

[0017] Figure 6 It is another angle schematic view of the overall structure of the present application.

[0018] The reference signs are: 1, carriage floor; 2, first rotating plate; 3, second rotating plate; 4, movable sleeve; 5, T-shaped column; 6, first spring; 7, L-shaped block; 8, fixed plate; 9, mounting seat; 10, rotating column; 11, column groove; 12, support column; 13, second spring; 14, rack column; 15, protruding block; 16, rotating rod; 17, adjusting column; 18, adjusting rod; 19, limiting block; 20, connecting spring; 21, U-shaped column; 22, stud; 23, arc-shaped block. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model will be described clearly and completely in connection with the drawings in the utility model, and additionally, the forms of each structure recorded in the following implementation manners are only examples, and the utility model relates to a van tent stage quick conversion device which is not limited to each structure recorded in the following implementation manners, and all other implementation manners obtained by the person skilled in the art without creative labor belong to the protection range of the utility model.

[0020] Please refer to Figures 1 to 6 The utility model provides a van tent stage quick conversion device, including car bottom plate 1, the first rotating plate 2 of symmetry rotation connection in the side surface of car bottom plate 1 and the second rotating plate 3 of rotation connection in the side of first rotating plate 2 away from car bottom plate 1, two side surfaces of first rotating plate 2 all are slidingly connected with movable sleeve 4, the inner wall slidingly connected with T-shaped post 5 in movable sleeve 4, one end of T-shaped post 5 is fixedly connected with first spring 6, one end of T-shaped post 5 away from first spring 6 is fixedly connected with L-shaped block 7, two side surfaces of second rotating plate 3 all are fixedly connected with fixed plate 8, L-shaped block 7 and fixed plate 8 cooperation installation, the lower surface equidistance fixed connection of second rotating plate 3 has mounting seat 9, the surface rotationally connected with rotating column 10 of mounting seat 9, is set up in the surface of rotating column 10 and has post slot 11, the post slot 11 groove wall slidingly connected with support column 12, the upper end of support column 12 is fixedly connected with second spring 13, the upper end of rotating column 10 is engagedly connected with rack column 14, one end of support column 12 close to second spring 13 is fixedly connected with lug 15, lug 15 surface cooperation installation has rotating rod 16, one end of rotating rod 16 away from lug 15 is installed with adjusting column 17 through torsion spring, adjusting column 17 and rack column 14 cooperation installation, two two between a plurality of adjusting column 17 all are rotationally connected with adjusting rod 18;

[0021] It should be noted that after the second rotating plate 3 is adjusted to be parallel to the first rotating plate 2, the two U-shaped columns 21 are adjusted at the same time, the adjusting rod 18 is moved, and then the plurality of adjusting columns 17 are moved together, the setting of the connecting spring 20 enables the movement of the adjusting column 17 to drive the rack column 14 to move together, the rack column 14 is engaged with the tooth groove arranged on the surface of the rotating column 10, and then the rotating column 10 is rotated, under the limitation of the limiting block 19, the rotating column 10 can be in a vertical state, by the elasticity of the second spring 13, the end of the supporting column 12 away from the second spring 13 can be in close contact with the uneven ground, under the action of the torsional spring elastic force, during the rotation adjustment of the second rotating plate 3, the rotating rod 16 can move relative to the rotating column 10 until the surface of the convex block 15 is in close contact, due to the unevenness of the ground, the position of the convex block 15 is high and low, the angle between the plurality of rotating rods 16 and the adjusting column 17 is different, and the position of the adjusting column 17 is also different, by adjusting the two U-shaped columns 21 at the same time, each adjusting column 17 can be independently adjusted, without affecting the support of the second rotating plate 3, after the adjustment is completed, the rotating stud 22 is adjusted, the limiting of the adjusting column 17 and the adjusting rod 18, and the supporting structure for supporting the second rotating plate 3 can be adjusted one by one to adapt to the support of the second rotating plate 3 on the uneven ground, the time required for overall conversion is saved, and the conversion efficiency is improved.

[0022] The surface of the mounting seat 9 is fixedly connected with the limiting block 19 beside the rotating column 10;

[0023] It should be noted that the limiting block 19 can limit the rotation adjustment of the rotating column 10, so that the rotating column 10 can be stably adjusted to be perpendicular to the second rotating plate 3.

[0024] The end of the adjusting column 17 away from the rotating rod 16 is fixedly connected with the connecting spring 20, and the other end of the connecting spring 20 is fixedly connected with the rack column 14;

[0025] It should be noted that the connecting spring 20 can play a connecting role, so that the movement of the adjusting column 17 can drive the rack column 14 to move together.

[0026] The surfaces of the two adjusting rods 18 are slidably connected with the U-shaped column 21;

[0027] It should be noted that the U-shaped column 21 can drive the two adjusting rods 18 to move at the same time, so as to adjust the state of the two adjusting columns 17 at the same time, and shorten the adjustment time.

[0028] The surface of the U-shaped column 21 is threadedly connected with the stud 22;

[0029] It should be noted that after the first rotating plate 2 and the second rotating plate 3 are unfolded, the threaded stud 22 is rotated to make one end close to the bottom of the second rotating plate 3 tightly contact with the second rotating plate 3, and the position adjustment of the adjusting column 17 and the adjusting rod 18 is limited by the friction between the threaded stud 22 and the second rotating plate 3, so that the stability of the rotating column 10 and the rotating rod 16 after adjustment is ensured.

[0030] The plurality of movable sleeves 4 are each fitted with an arc-shaped block 23 at one end close to the carriage floor 1, and the plurality of arc-shaped blocks 23 are fixedly connected with the carriage floor 1.

[0031] It should be noted that the arc-shaped block 23 can automatically adjust the position of the movable sleeve 4 during the rotation of the first rotating plate 2, so that the L-shaped block 7 can cooperate with the fixed plate 8 to drive the second rotating plate 3 to be parallel to the first rotating plate 2.

[0032] It should be noted that a motor can be installed on the side of the carriage floor 1, the output shaft of the motor is fixedly connected with the first rotating plate 2, the first rotating plate 2 is driven by the motor to rotate, when the first rotating plate 2 is unfolded, the movable sleeve 4 is in close contact with the surface of the arc-shaped block 23, as the angle between the first rotating plate 2 and the carriage floor 1 gradually increases, the L-shaped block 7 is in close contact with the surface of the fixed plate 8, the compression degree of the first spring 6 gradually increases, under the elastic force of the first spring 6, the fixed plate 8 and the L-shaped block 7 move relatively, the second rotating plate 3 is driven to rotate, and then can be parallel to the first rotating plate 2, during the folding of the first rotating plate 2, as the first rotating plate 2 rotates, the movable sleeve 4 moves away from the fixed plate 8 due to the cooperation of the movable sleeve 4 and the arc-shaped block 23, the compression of the spring gradually decreases, under the gravity of the second rotating plate 3, the second rotating plate 3 rotates around the connection between the second rotating plate 3 and the first rotating plate 2 as the rotation center to fold.

[0033] Finally, it should be noted that in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0034] Secondly, the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case where there is no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0035] Finally: the above described is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A quick conversion device for a van-type stage, comprising a van floor (1), a first rotating plate (2) symmetrically rotatably connected to the side of the van floor (1), and a second rotating plate (3) rotatably connected to the side of the first rotating plate (2) away from the van floor (1), characterized in that: Two sides of the first rotating plate (2) are slidably connected to movable sleeves (4). A T-shaped column (5) is slidably connected to the inner wall of the movable sleeve (4). A first spring (6) is fixedly connected to one end of the T-shaped column (5). An L-shaped block (7) is fixedly connected to the end of the T-shaped column (5) away from the first spring (6). Two sides of the second rotating plate (3) are fixedly connected to fixed plates (8). The L-shaped block (7) is fitted with the fixed plate (8). Mounting seats (9) are fixedly connected at equal intervals on the lower surface of the second rotating plate (3). A rotating column (10) is rotatably connected to the surface of the mounting seat (9). The surface of the rotating column (10) is opened. There is a column groove (11), and a support column (12) is slidably connected to the groove wall of the column groove (11). A second spring (13) is fixedly connected to the upper end of the support column (12). A rack column (14) is meshed with the upper end of the rotating column (10). A protrusion (15) is fixedly connected to the end of the support column (12) near the second spring (13). A rotating rod (16) is fitted on the surface of the protrusion (15). An adjusting column (17) is installed at the end of the rotating rod (16) away from the protrusion (15) through a torsion spring. The adjusting column (17) is fitted with the rack column (14). Adjusting rods (18) are rotatably connected between each pair of the multiple adjusting columns (17).

2. The quick conversion device for a van-type stage according to claim 1, characterized in that: The mounting base (9) is fixedly connected to a limiting block (19) next to the rotating column (10).

3. The quick conversion device for a van-type stage according to claim 1, characterized in that: The adjusting column (17) is fixedly connected to a connecting spring (20) at one end away from the rotating rod (16), and the other end of the connecting spring (20) is fixedly connected to the rack column (14).

4. The quick conversion device for a van-type stage as described in claim 1, characterized in that: The surfaces of the two adjusting rods (18) are slidably connected to a U-shaped column (21).

5. The quick conversion device for a van-type stage according to claim 4, characterized in that: The surface of the U-shaped post (21) is connected to a stud (22) by a thread.

6. The quick conversion device for a van-type stage according to claim 1, characterized in that: Each of the multiple movable sleeves (4) has an arc-shaped block (23) installed at one end near the bottom plate (1) of the carriage, and the multiple arc-shaped blocks (23) are fixedly connected to the bottom plate (1).