Built-in lifting and folding structure of automobile small table board

Abstract

The invention provides a built-in lifting folding structure of an automobile small table board, which is characterized in that two groups of support plates are respectively arranged on two sides of the interior of a rear box body, and a lifting driving mechanism and a small table board assembly are respectively arranged on two sides of the support plates through an inner guide rail and an outer guide rail which vertically extend; the lifting driving mechanism and the small table board assembly are in transmission through a plurality of transmission wheels which are connected with one another, the lifting driving mechanism controls the small table board assembly to stretch out of the opening of the rear box body, and then the center shaft plate is turned over to achieve unfolding of the small table board. The lifting folding structure can be applied to various vehicle types in the prior art, the occupied space is small, the small table plate can be adjusted between the unfolded state and the folded state, and a passenger can adjust the small table plate to the target position according to needs. According to the embodiment, the elastic supporting structure is arranged, the small table board assembly can be supported, and the supporting strength of the small table board assembly in the unfolded state is improved.

Description

Technical Field

[0001] The invention relates to a small table folding structure, in particular to a built-in lifting and folding structure of a small car table. Background Art

[0002] Cars have become a necessary means of transportation in people's daily lives. With the development of the times, people's concept of cars has gradually evolved from traditional means of transportation to higher demands, and various components in cars will also be improved accordingly. The small table is a product developed by the automobile, which is improved from the armrest or backrest in the prior art. The folding board is opened to expand the cargo space and facilitate the storage of items. The folding board in the prior art usually has a simple structure and is fixed and folded on the side of the armrest or backrest. Its structural strength is limited and cannot withstand overly large items. The flip angle cannot be adjusted freely, and thus cannot meet the needs of passengers. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a built-in lifting and folding structure of a small car table, comprising a rear box body, wherein an assembly bracket is arranged in the rear box body, and the assembly bracket is arranged in: two sets of lifting drive mechanisms, and a lifting plate is arranged at the output end of each set of lifting drive mechanisms;

[0004] Two sets of small table board components are arranged outside the lifting drive mechanism;

[0005] Two groups of vertically arranged support plates, with inner and outer guide rails extending vertically provided on both sides of the support plates, and the small table board assembly and the lifting plate on the same side of the support plates are respectively connected to the outer and inner guide rails;

[0006] It also includes two sets of lifting transmission mechanisms, each set of lifting transmission mechanisms includes a starting wheel, a transition wheel, a first driving wheel, a second driving wheel and a driven wheel connected in sequence, wherein the starting wheel and the transition wheel are located at the bottom of the assembly bracket, the first driving wheel and the second driving wheel are arranged on the lifting plate, and the driven wheel is arranged on the small table board assembly.

[0007] Furthermore, adjacent transmission wheels in the lifting transmission mechanism are connected by means of a conveyor belt, a conveyor chain or a metal wire.

[0008] Furthermore, a storage box is installed in the middle of the assembly bracket, and a top plate for closing the upper opening of the storage box is provided on the top of the rear box body, and the top plate is detachably connected to the top of the assembly bracket.

[0009] Furthermore, a sensor for monitoring the vertical height of the lifting plate is arranged on the lifting plate.

[0010] Furthermore, the stroke of the inner guide rail is smaller than that of the outer guide rail.

[0011] Furthermore, the lifting drive mechanism is a screw motor transmission structure, including a transmission screw driven to rotate by a servo motor, and the lifting plate is connected to the lifting end of the transmission screw through the lifting rod transmission.

[0012] Furthermore, the small table assembly includes a central axis plate arranged along the front-to-rear direction of the rear box body and transverse ribs connected to the central axis plate through a hinge structure, the driven wheel is fixedly arranged on the central axis plate, and the small table is installed on the transverse ribs.

[0013] Furthermore, a table guide rail extending along the front-rear direction of the rear box body is installed at the position where the small table top is connected to the transverse rib, and the small table top is slidably connected to the transverse rib via the table guide rail.

[0014] Furthermore, an elastic support structure is arranged on the outer side of the assembly bracket, and the elastic support structure includes an upper pressure block arranged on the outer side of the assembly bracket and a lower pressure block arranged at the bottom of the upper pressure block. The lower pressure block is fixedly connected to the assembly bracket by bolts, and the lower pressure block and the upper pressure block are connected by an elastic member.

[0015] Furthermore, it also includes a bottom plate and a straight line body arranged on the bottom plate, the straight line body extends in a horizontal direction, and the rear box body is movably connected to the horizontal moving end of the straight line body.

[0016] The present invention provides a built-in lifting and folding structure of a small table for a car, wherein two groups of support plates are respectively arranged on both sides of the interior of a rear box body, and a lifting drive mechanism and a small table board assembly are respectively arranged on both sides of the support plates through vertically extending inner guide rails and outer guide rails. The lifting drive mechanism and the small table board assembly are driven by a plurality of transmission wheels connected to each other, and the lifting drive mechanism controls the small table board assembly to extend out of the opening of the rear box body, and then the central axis plate is flipped to realize the unfolding of the small table board.

[0017] The lifting and folding structure provided by the present invention can be applied to various types of vehicles in the prior art, takes up little space, can realize the adjustment of the small table between the unfolded state and the stowed state, and the passenger can adjust the small table to the target position according to the needs, and has strong applicability. In the embodiment, an elastic support structure is provided to support the small table assembly and increase the support strength of the small table assembly in the unfolded state. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the appearance of a built-in lifting and folding structure of a small car table according to the present invention;

[0019] Figure 2 It is the rear view of the rear box;

[0020] Figure 3 This is an exploded diagram of the rear box;

[0021] Figure 4 It is a schematic diagram of the connection between the front guide rail and the rear guide rail of the single-side support plate;

[0022] Figure 5 It is a structural schematic diagram of the lifting drive mechanism;

[0023] Figure 6 It is a structural schematic diagram of the lifting transmission mechanism;

[0024] Figure 7 It is a structural schematic diagram of a small table assembly;

[0025] Figure 8 This is a schematic diagram of the appearance of the rear box when the small table assembly is unfolded;

[0026] Fig. 9 This is a schematic diagram of the appearance of the rear box when the small table assembly is unfolded on one side;

[0027] Fig.10 is a schematic diagram of the position of the elastic support structure of the small table assembly in the storage state;

[0028] Fig.11 is a schematic diagram of the position of the elastic support structure of the small table assembly in the unfolded state;

[0029] Fig.12 yes Fig.11 A magnified schematic diagram of center A.

[0030] Figure markings: front box body 1, lower shield plate 2, rear box body 3, small table board assembly 31, central axis plate 311, small table board 312, transverse ribs 313, table board guide rails 314, assembly bracket 32, storage box 33, top plate 34, lifting drive mechanism 35, lifting plate 351, servo motor 352, transmission screw 353, lifting rod 354, sensor 355, support plate 36, inner guide rail 361, outer guide rail 362, lifting transmission mechanism 37, starting wheel 371, transition wheel 372, first driving wheel 373, second driving wheel 374, driven wheel 375, elastic support structure 38, upper pressure block 381, lower pressure block 382, ​​guide rod, spring 383, bottom plate 4, straight line body 5. DETAILED DESCRIPTION

[0031] like Figure 1The built-in lifting and folding structure of a small car table shown in the figure includes a front box body 1 and a rear box body 3, both of which are storage areas, and the front box body 1 is installed in the front part of the rear box body 3 by bolt connection or magnet connection. The rear box body 3 is the area where the small table assembly 31 is located. The small table assembly 31 is normally received in the rear box body 3, and in the unfolded state, it extends out of the upper surface of the rear box body 3 and extends out of the two sides of the rear box body 3 to facilitate users to take and put items. The purpose of the present invention is to provide a lifting structure that can switch the small table assembly 31 back and forth between the normal state and the unfolded state.

[0032] like Figure 2 and Figure 3 As shown, the rear box body 3 is a rectangular shell structure as a whole, and an assembly bracket 32 ​​is installed in the inner cavity of the rear box body 3. A storage box 33 for storing items is set in the middle of the assembly bracket 32. The assembly bracket 32 ​​has storage areas for the small table assembly 31 on both sides of the storage box 33. A top plate 34 is detachably installed on the top of the assembly bracket 32, which is used to close the upper area of ​​the storage box 33. After removing the top plate 34, items can be taken in and out of the storage box 33. In this embodiment, the top plate 34 is fixed to the top of the assembly bracket 32 ​​by magnetic attraction, and other common connection methods such as snap connection and buckle connection can also be used.

[0033] like Figure 4 and Figure 5 As shown, the inner cavity of the rear box body 3 is also provided with two sets of lifting drive mechanisms 35 located in the middle and support plates 36 arranged on both sides of the lifting drive mechanisms 35. The two sets of lifting drive mechanisms 35 are respectively used as driving sources for driving the small table assembly 31 on the same side to move vertically, and the support plate 36 is located between the small table assembly 31 and the lifting drive mechanism 35 on the same side. Inner guide rails 361 and outer guide rails 362 are respectively provided in the vertical direction along both sides of the support plate 36. The central axis of the small table assembly 31 is slidably connected to the outer guide rail 362, and the small table assembly 31 can move in the vertical direction guided by the outer guide rail 362. The output end of the lifting drive mechanism 35 is connected to the lifting plate 351, and the lifting plate 351 is slidably connected to the inner guide rail 361 of the support plate 36. The inner guide rail 361 and the outer guide rail 362 provide guidance and support for the vertical movement of the lifting plate 351 and the small table assembly 31. Furthermore, a sensor 355 is provided on the lifting plate 351 for monitoring the vertical displacement of the lifting plate 351 so as to accurately stay at a target height.

[0034] like Figure 5 and Figure 6As shown, it also includes a lifting transmission mechanism 37, which is used to transfer the lifting stroke of the lifting plate 351 to the lifting stroke of the small table assembly 31. The lifting transmission mechanism 37 includes a starting wheel 371, a transition wheel 372, a first driving wheel 373, a second driving wheel 374 and a driven wheel 375, which are arranged in sequence, and adjacent transmission wheels are connected by conveyor belts, conveyor chains or metal wires. The starting wheel 371 and the transition wheel 372 are located at the bottom of the assembly bracket 32, which limit the starting position of the lifting transmission mechanism 37; the first driving wheel 373 and the second driving wheel 374 are arranged on the lifting plate 351, and move synchronously with the lifting plate 351 under the drive of the lifting drive mechanism 35; the driven wheel 375 is arranged on the small table assembly 31, which is the end of the entire lifting transmission mechanism 37. When the lifting plate 351 rises, the small table assembly 31 is driven by the driven wheel 375 to move on the vertical plane.

[0035] Furthermore, the stroke of the inner guide rail 361 is smaller than that of the outer guide rail 362. Under normal conditions, the small table assembly 31 is located at the bottom of the rear box 3 and is completely stored in the rear box 3. When the servo motor 352 is started, the small table assembly 31 can rise from the bottom to the top of the rear box 3 along the entire inner guide rail 361; and by providing the outer guide rail 362 with a relatively small stroke, the lifting stroke of the lifting drive mechanism 35 can be reduced, thereby reducing the space required by the lifting drive mechanism 35.

[0036] In this embodiment, the lifting drive mechanism 35 is a screw motor transmission structure, including a transmission screw 353 driven to rotate by a servo motor 352, and the lifting plate 351 is connected to the lifting end of the transmission screw 353 through a lifting rod 354. The servo motor 352 is connected to a start button outside the rear box body 3, and the start button is pressed to drive the small table board assembly 31 to extend out of the upper opening of the rear box body 3. Figure 8 The schematic diagram shows the state where both side table assemblies 31 are unfolded. Fig. 9 A schematic diagram of the small table assembly 31 on one side when it is unfolded.

[0037] like Figure 7The structure diagram of the small table assembly 31 is shown, which includes a central axis plate 311 arranged along the front-to-back direction of the rear box body 3 and a transverse rib 313 connected to the central axis plate 311 through a hinge structure. The above-mentioned driven wheel 375 is fixedly arranged on the central axis plate 311, and a square small table 312 is installed on the transverse rib 313. The small table 312 can be flattened to present an unfolded state by operating the transverse rib 313 to rotate to a horizontal position relative to the central axis plate 311. Furthermore, a table guide rail 314 extending along the front-to-back direction of the rear box body is installed at the position where the small table 312 is connected to the transverse rib 313. The small table 312 is slidably connected to the transverse rib 313 through the table guide rail 314. The small table 312 can be adjusted in its horizontal movement position by sliding the small table 312 along the table guide rail 314.

[0038] like Figures 10 to 12 As shown, an elastic support structure 38 is provided on the outer side of the assembly bracket 32 ​​to provide support for the flipping of the small table assembly 31. The elastic support structure 38 includes an upper pressing block 381 provided on the outer side of the assembly bracket 32 ​​and a lower pressing block 382 provided at the bottom of the upper pressing block 381. The lower pressing block 382 is fixedly connected to the assembly bracket 32 ​​by bolts, and the lower pressing block 382 and the upper pressing block 381 are connected by elastic members. When the small table 312 is flipped, it will press against the upper surface of the upper pressing block 381 and push the upper pressing block 381 downward. The lower pressing block 382 can provide elastic support for the downward pressure of the upper pressing block 381, so that the small table 312 remains in the flipped position; after the external pressure is removed, the elastic member recovers its deformation. Specifically, the lower pressing block 382 is a plate-like structure, and the upper end of the lower pressing block 382 is provided with a guide rod extending into the bottom of the upper pressing block 381, and the elastic member is a spring 383 sleeved on the outer side of the guide rod, forming an elastic connection between the upper pressing block 381 and the lower pressing block 382. When the upper pressing block 381 moves downward along the guide rod under the action of external pressure, the spring 383 can provide a certain elastic support for the upper pressing block 381.

[0039] Furthermore, if Figure 1 As shown, the present embodiment is also provided with a bottom plate 4 and a straight line body 5 arranged on the bottom plate 4, the straight line body 5 extends in the horizontal direction, and the rear box body 3 is movably connected to the horizontal moving end of the straight line body 5. Passengers can adjust the horizontal positions of the front box body 1 and the rear box body 3 according to their respective needs through the straight line body 5, so that the rear box body 3 stays in a suitable position. Specifically, a lower shield plate 2 is sleeved between the rear box body 3 and the bottom plate 4 to assist the horizontal movement position of the lower box body. An avoidance groove extends horizontally on the lower shield plate 2, and a connecting column passing through the avoidance groove is provided at the bottom of the rear box body 3, and is fixedly connected to the horizontal moving end of the straight line body 5 through the connecting column.

[0040] The assembly process of this embodiment is as follows: the lower shield plate 2 is mounted on the upper part of the bottom plate 4 along the avoidance groove at the bottom, the rear box body 3 is installed on the upper part of the lower shield plate 2, the small table board components 31 on both sides are installed on the sliders of the outer guide rail 362, and then the top plate 34 is installed on the top of the rear box body 3 to close the opening, and the front box body 1 is installed on the front end of the rear box body 3, and the assembly of the entire device can be completed. When the small table board 312 is needed, the rear box body 3 is adjusted to a suitable position through the straight line body 5, the top cover is opened, and the start switch of the servo motor 352 is pressed, and the lifting drive mechanism 35 drives the lifting plates 351 on both sides and the first driving wheel 373 and the second driving wheel 374 arranged on the lifting plates 351 to move vertically, and the second driving wheel 374 then drives the two sets of small table board components 31 to rise to the top of the rear box body 3 through the driven wheel 375. At this time, the small table board 312 is flipped relative to the central axis plate 311, and the small table board 312 can be flipped to the unfolded state.

[0041] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A built-in lifting and folding structure of a small car table, comprising a rear box (3), wherein an assembly bracket (32) is arranged in the rear box (3), characterized in that: The assembly support (32) is provided with: Two sets of lifting drive mechanisms (35), each set of lifting drive mechanisms (35) having a lifting plate (351) disposed at the output end thereof; Two sets of small table board components (31) are arranged outside the lifting drive mechanism (35); Two groups of vertically arranged support plates (36), with inner guide rails (361) and outer guide rails (362) extending vertically respectively arranged on both sides of the support plates (36), and a small table board assembly (31) and a lifting plate (351) on the same side as the support plates (36) respectively connected to the outer guide rails (362) and the inner guide rails (361); The utility model also comprises two sets of lifting transmission mechanisms (37), each set of lifting transmission mechanisms (37) comprises a starting wheel (371), a transition wheel (372), a first driving wheel (373), a second driving wheel (374) and a driven wheel (375) which are connected in sequence, wherein the starting wheel (371) and the transition wheel (372) are located at the bottom of the assembly bracket (32), the first driving wheel (373) and the second driving wheel (374) are arranged on the lifting plate (351), and the driven wheel (375) is arranged on the small table board assembly (31).

2. The built-in lifting and folding structure of a small car table as claimed in claim 1, characterized in that: Adjacent transmission wheels in the lifting transmission mechanism (37) are connected by means of a conveyor belt, a conveyor chain or a metal wire.

3. The built-in lifting and folding structure of a small car table as claimed in claim 1, characterized in that: A storage box (33) is installed in the middle of the assembly bracket (32), and a top plate (34) is provided on the top of the rear box body (3) to close the upper opening of the storage box (33), and the top plate (34) is detachably connected to the top of the assembly bracket (32).

4. The built-in lifting and folding structure of a small car table as claimed in claim 1, characterized in that: The lifting plate (351) is provided with a sensor (355) for monitoring the vertical height of the lifting plate (351).

5. The built-in lifting and folding structure of a small car table as claimed in claim 1, characterized in that: The stroke of the inner guide rail (361) is smaller than that of the outer guide rail (362).

6. The built-in lifting and folding structure of a small car table as claimed in claim 1, characterized in that: The lifting drive mechanism (35) is a screw motor transmission structure, comprising a transmission screw (353) driven to rotate by a servo motor (352), and the lifting plate (351) is connected to the lifting end of the transmission screw (353) through a lifting rod (354).

7. The built-in lifting and folding structure of a small car table as claimed in claim 1, characterized in that: The small table top assembly (31) comprises a central axis plate (311) arranged along the front-to-rear direction of the rear box body (3) and a transverse rib (313) connected to the central axis plate (311) via a hinge structure; the driven wheel (375) is fixedly arranged on the central axis plate (311); and the small table top (312) is mounted on the transverse rib (313).

8. The built-in lifting and folding structure of a small car table as claimed in claim 7, characterized in that: A tabletop guide rail (314) extending in the front-rear direction of the rear box body (3) is installed at the position where the small tabletop (312) is connected to the transverse rib (313), and the small tabletop (312) is slidably connected to the transverse rib (313) via the tabletop guide rail (314).

9. The built-in lifting and folding structure of a small car table as claimed in claim 1, characterized in that: An elastic support structure (38) is arranged on the outer side of the assembly bracket (32), and the elastic support structure (38) includes an upper pressing block (381) arranged on the outer side of the assembly bracket (32) and a lower pressing block (382) arranged at the bottom of the upper pressing block (381). The lower pressing block (382) is fixedly connected to the assembly bracket (32) by bolts, and the lower pressing block (382) and the upper pressing block (381) are connected by elastic members.

10. The built-in lifting and folding structure of a small car table as claimed in claim 1, characterized in that: It also comprises a bottom plate (4) and a straight line body (5) arranged on the bottom plate (4), wherein the straight line body (5) extends in a horizontal direction, and the rear box body (3) is movably connected to the horizontal movable end of the straight line body (5).

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