A writing board assembly and vehicle that is easy to open and use

Abstract

This application relates to a writing board assembly and vehicle that is easy to open and use, which connects an outer cover and a writing board body into a whole; a spiral spring is provided at the bottom of the writing board body and away from the outer cover; the outer end of the spiral spring is connected to the bottom wall of the accommodating space near the opening; a vertical locking shaft is provided at the top of the writing board body above the spiral spring; a labyrinth locking mechanism is mounted on the housing and used to lock the vertical locking shaft; when the writing board body is stationary and stored, the spiral spring is stretched and unfolded, and the labyrinth locking mechanism locks the vertical locking shaft; when needed, simply press the outer cover towards the front of the vehicle, the labyrinth locking mechanism automatically unlocks, and the writing board body moves towards the rear of the vehicle under the action of the spiral spring, thereby popping out of the dashboard; the above structure makes the removal of the writing board body convenient, and the combination of the outer cover and the writing board body improves space utilization and increases the usable area of ​​the writing board body.

Description

Technical Field

[0001] This application relates to the field of automotive interior technology, and in particular to a writing board assembly and vehicle that is easy to open and use. Background Technology

[0002] Currently, in-vehicle writing pads are generally located behind the front seats or embedded in the passenger-side dashboard. For the writing pads embedded in the passenger-side dashboard, the outer cover and the writing pad itself are separate. To open the writing pad, you first press a designated position on the outer cover to flip it open, then manually pull out the writing pad. However, the following problems exist:

[0003] I. To prevent the writing pad from retracting into the dashboard due to inertia during emergency braking, the friction of the writing pad's slide rail is usually set to be relatively high. This ensures that the writing pad does not retract into the dashboard during emergency braking, but because of the high friction, the force required to pull out the writing pad is also greater, resulting in poor operating comfort.

[0004] II. The process of opening the writing tablet involves first pressing the designated unlocking area on the outer cover of the writing tablet to open the outer cover, and then pulling out the writing tablet. The whole operation is complicated.

[0005] III. The writing board cover is separate from the writing board body. Due to considerations of structural layout and safety clearance, the writing board body is smaller in size. Summary of the Invention

[0006] This application provides a writing board assembly and vehicle that are easy to open and use, in order to solve the problem that in the related art, the process of opening the writing board involves first pressing a designated unlocking area of ​​the writing board cover to open the cover, and then pulling out the writing board. The whole operation process is complicated and limits the size of the writing board body.

[0007] Firstly, a writing tablet assembly that is easy to open and use is provided, comprising:

[0008] The shell has an opening that communicates with its internal accommodating space;

[0009] The writing tablet body has a portion extending through the opening into the accommodating space, and another portion having an outer cover plate that closes the opening; a spiral spring is provided at the bottom of the writing tablet body away from the outer cover plate, and the outer end of the spiral spring is connected to the bottom wall of the accommodating space near the opening; a vertical locking shaft is provided at the top of the writing tablet body above the spiral spring.

[0010] A maze locking mechanism is installed on the housing and used to lock the vertical locking shaft. When the writing pad body is stationary and stored, the spiral spring is stretched and unfolded, and the maze locking mechanism locks the vertical locking shaft. When needed, simply press the outer cover plate towards the front of the vehicle. During this process, the maze locking mechanism automatically unlocks, and the writing pad body moves towards the rear of the vehicle under the action of the spiral spring, thereby popping out the dashboard to drive the writing pad body towards the front of the vehicle. The above structure makes the removal of the writing pad body convenient. Combining the outer cover plate with the writing pad body improves space utilization and increases the usable area of ​​the writing pad body.

[0011] In some embodiments, the upper surface of the housing has a raised guide, which includes a rectangular portion and a strip-shaped channel portion extending toward the opening; the rectangular portion has a fan-shaped hole; and the bottom surface of the strip-shaped channel portion has a groove.

[0012] The maze locking mechanism includes a rotating structure located at the top of the rectangular section and on the central axis of the slide. A swing arm is connected to the outside of the rotating structure. The bottom of the swing arm has a maze channel that communicates with the slide and is used to restrict the vertical locking shaft. The projection of the swing arm's movement trajectory onto the plane of the fan-shaped hole is located within the fan-shaped hole.

[0013] In some embodiments, the maze passage includes a first part, a connecting canyon, and a second part connected in sequence; the first part is in the shape of an upright V and its top is closed; the second part is in the shape of an inverted V and its bottom is open;

[0014] Within the first part, a V-shaped stop is provided near the connecting canyon opening. The V-shaped stop is deflected and its opening faces the top of the first part to divide the first part into a sliding out channel and a sliding in channel. A blocking inclined surface is provided on the side of the V-shaped stop near the sliding in channel. The V-groove formed by the V-shaped stop is used to restrict the vertical locking shaft.

[0015] In some embodiments, the rotating structure includes a rotating shaft with a circular stop at the top and the bottom of the rotating shaft fixedly connected to a rectangular portion by a first screw; a circle is coaxially connected to the outside of the rotating shaft; the circle is fixedly connected to a swing rod.

[0016] In some embodiments, a limiting member is provided at the top of the rectangular portion. The limiting member includes a horizontal bar, and two blocks are provided at both ends of the horizontal bar. The blocks are located on both sides of the fan-shaped hole.

[0017] In some embodiments, an anti-accidental opening component is also included, which has a limiting rib that rotates under gravity;

[0018] The top of the writing board body is provided with a guide groove extending along its moving direction. The guide groove includes a third part and a fourth part connected together. The width of the third part and the length of the limiting rib are both greater than the width of the fourth part. The fourth part is far away from the outer cover plate, and its width is greater than the width of the limiting rib.

[0019] In some embodiments, the anti-accidental opening component includes a accommodating compartment, which is provided with an elastic reset member and a gravity deflection block. The elastic reset member is rotatably connected to the writing board body. The bottom of the elastic reset member is connected to the limiting rib, and a gravity deflection block is provided radially along the outer periphery of the elastic reset member.

[0020] The accommodating compartment is provided with two spaced-apart horizontal baffles, and the connection point between the elastic reset component and the writing board body is located between the two horizontal baffles.

[0021] When the vehicle brakes suddenly, the gravity sway block drives the elastic reset component to rotate; after the sudden braking ends, the elastic reset component drives the gravity sway block to reset.

[0022] In some embodiments, the resilient reset member includes:

[0023] First cylinder and second cylinder; the top of the first cylinder is closed and the bottom is open;

[0024] The second cylinder is open at the top and closed at the bottom;

[0025] A circular shaft, the top of which is located inside the first cylinder and is rotatably connected to the top of the first cylinder; the bottom of the circular shaft is fixedly connected to the inner bottom wall of the second cylinder.

[0026] A torsion spring, which is sleeved on a circular shaft, provides a restoring force for the second cylinder.

[0027] In some embodiments, a rack is provided on the inner bottom wall of the housing, and the rack extends along the moving direction of the writing board body;

[0028] The bottom wall of the writing board body is provided with a rotation damper that meshes with a rack.

[0029] Secondly, a vehicle is provided that includes a writing board assembly that is easy to open and use.

[0030] The beneficial effects of the technical solution provided in this application include:

[0031] This application provides a writing board assembly and vehicle that are easy to open and use. The assembly connects the outer cover and the writing board body as a single unit. A spiral spring is located at the bottom of the writing board body, away from the outer cover. The outer end of the spiral spring is connected to the bottom wall of the accommodating space near the opening. A vertical locking shaft is located at the top of the writing board body above the spiral spring. A labyrinth locking mechanism is mounted on the housing and used to lock the vertical locking shaft. When the writing board body is stationary and stored, the spiral spring is stretched out, and the labyrinth locking mechanism locks the vertical locking shaft. When needed, simply press the outer cover towards the front of the vehicle. During this process, the labyrinth locking mechanism automatically unlocks, and the writing board body moves towards the rear of the vehicle under the action of the spiral spring, thereby popping out the dashboard and moving the writing board body towards the front of the vehicle. This structure makes the removal of the writing board body convenient. The combination of the outer cover and the writing board body improves space utilization and increases the usable area of ​​the writing board body. Attached Figure Description

[0032] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0033] Figure 1 An exploded view of a writing tablet assembly that is easy to open and use, provided for embodiments of this application;

[0034] Figure 2 A schematic diagram of the internal structure of a writing tablet assembly that is easy to open and use, provided in an embodiment of this application;

[0035] Figure 3 A distribution diagram of the labyrinth locking mechanism and anti-accidental opening components on the top of the writing tablet body and the housing provided in the embodiments of this application;

[0036] Figure 4 A schematic diagram showing the casing of the easy-to-open and use writing tablet assembly provided in the embodiments of this application, lacking a top;

[0037] Figure 5 A schematic diagram of the spiral spring, the bottom of the writing board body, and the straight groove provided in the embodiments of this application;

[0038] Figure 6 A schematic diagram of the structure of the top of the writing pad body, the maze locking mechanism, and the anti-accidental opening component provided in the embodiments of this application;

[0039] Figure 7 An exploded schematic diagram of the labyrinth locking mechanism provided in the embodiments of this application;

[0040] Figure 8 A diagram showing the state of the vertical locking shaft and the maze passage when the writing tablet body is pushed in and used according to an embodiment of this application;

[0041] Figure 9 A schematic diagram of a vertical locking shaft and a maze passage in a static state, provided for an embodiment of this application;

[0042] Figure 10 A schematic diagram of the vertical locking shaft and maze channel when pushing the writing tablet body according to an embodiment of this application;

[0043] Figure 11 A schematic diagram of the vertical locking shaft and maze passage when the writing tablet body pops out according to an embodiment of this application;

[0044] Figure 12 This is a schematic diagram of the anti-accidental opening component provided in an embodiment of this application;

[0045] Figure 13 A schematic diagram of the limiting rib and guide groove under uniform speed and stationary states provided in the embodiments of this application;

[0046] Figure 14 A schematic diagram of the state of the gravity pendulum block under uniform speed and stationary states provided in the embodiments of this application;

[0047] Figure 15 A schematic diagram of the limiting rib and guide groove in an emergency braking state provided in an embodiment of this application;

[0048] Figure 16 This is a schematic diagram of a gravity-driven oscillating block under emergency braking conditions, as provided in an embodiment of this application.

[0049] In the diagram: 1. Housing; 101. Guide component; 10100. Rectangular section; 10101. Strip channel section; 102. Fan-shaped hole; 103. Slide groove; 2. Writing board body; 200. Guide straight groove; 3. Outer cover plate; 4. Spiral spring; 5. Labyrinth locking mechanism; 500. Rotating structure; 5001. Rotating shaft; 5002. Circular stop; 5003. First screw; 5004. Circle; 501. Rocker arm; 502 503. Part 2; 504. V-shaped stop; 505. Limiting component; 5. Labyrinth locking mechanism; 6. Vertical locking shaft; 7. Anti-accidental opening component; 700. Limiting rib; 701. Gravity eccentric block; 702. Retaining compartment; 703. Horizontal baffle of eccentric block; 704. First cylinder; 705. Round shaft; 706. Torsion spring; 707. Second cylinder; 8. Rack; 9. Connecting part; 10. Rotation damper. Detailed Implementation

[0050] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0051] This application provides a writing board assembly and vehicle that are easy to open and use, in order to solve the problem that in the related art, the process of opening the writing board involves first pressing a designated unlocking area of ​​the writing board cover to open the cover, and then pulling out the writing board. The whole operation process is complicated and limits the size of the writing board body.

[0052] Please see Figures 1-11 A writing tablet assembly that is easy to open and use, comprising:

[0053] The housing 1 has an opening that communicates with its internal accommodating space;

[0054] The writing tablet body 2 has one part extending through an opening into the receiving space, and the other part having an outer cover plate 3 that closes the opening. The bottom of the writing tablet body 2, away from the outer cover plate 3, has a receiving groove. A spiral spring 4 is installed in the receiving groove. The inner end of the spiral spring 4 at its center is connected to the receiving groove via a fixed shaft, and the outer end of the spiral spring 4 is connected to the bottom wall of the receiving space near the opening. This position can be referenced... Figure 1 The connecting part 9 is in the middle; there are two spiral springs 4; a vertical locking shaft 6 is provided on the top of the writing board body 2 above the spiral springs 4;

[0055] The maze locking mechanism 5 is mounted on the housing 1 and is used to lock the vertical locking shaft 6.

[0056] When the writing pad body 2 is stationary and stored, the spiral spring 4 is stretched and unfolded, and the labyrinth locking mechanism 5 locks the vertical locking shaft 6. When it is needed, simply press the outer cover plate 3 towards the front of the vehicle. During this process, the labyrinth locking mechanism 5 automatically unlocks, and the writing pad body 2 moves towards the rear of the vehicle under the action of the spiral spring 4, thereby popping out the dashboard to drive the writing pad body 2 towards the front of the vehicle. The above structure makes the process of taking out the writing pad body 2 convenient. By combining the outer cover plate 3 with the writing pad body 2, the space utilization rate is improved, and the usable area of ​​the writing pad body 2 is increased.

[0057] refer to Figures 3-11 The specific structure of the maze locking mechanism 5 is described in detail below:

[0058] The upper surface of the housing 1 has a protruding guide 101, which includes a rectangular portion 10100 and a strip channel portion 10101. The strip channel portion 10101 extends toward the opening. The rectangular portion 10100 is provided with a fan-shaped hole 102. The bottom surface of the strip channel portion 10101 is provided with a groove 103.

[0059] The maze locking mechanism 5 includes a rotating structure 500, which is located at the top of the rectangular portion 10100 and on the central axis of the slide 103. A rocker arm 501 is connected to the outside of the rotating structure 500. The bottom of the rocker arm 501 has a maze channel, which communicates with the slide 103 and is used to limit the vertical locking shaft 6. The projection of the moving trajectory of the rocker arm 501 onto the plane of the fan-shaped hole 102 is located within the fan-shaped hole 102.

[0060] When the writing pad body 2 is inside the vehicle, the vertical locking shaft 6 engages with the maze passage of the swing rod 501, and the swing rod 501 and the slide 103 are on the same straight line. After pressing the outer cover plate 3, the spiral spring 4 is pushed further towards the front of the vehicle, the vertical locking shaft 6 is unlocked from the maze passage, and the swing rod 501 and the slide 103 are no longer on the same straight line. After pressing, the spiral spring 4 drives the vertical locking shaft 6 from the maze passage into the slide 103, at which point the swing rod 501 is once again on the same straight line as the slide 103.

[0061] Further reference Figures 8-11 The specific structure of the maze passages is explained in detail:

[0062] The maze passage includes a first part 502 connected in sequence, a connecting canyon, and a second part 503; the first part 502 is a regular V-shape and its top is closed; the second part 503 is an inverted V-shape and its bottom is open;

[0063] Within the first part 502, and near the connecting canyon, a V-shaped stop 504 is provided. The V-shaped stop 504 is deflected and its opening faces the top of the first part 502 to divide the first part 502 into a sliding out channel and a sliding in channel. A blocking inclined surface is provided on the side of the V-shaped stop 504 near the sliding in channel. The V-shaped groove formed by the V-shaped stop 504 is used to restrict the vertical locking shaft 6.

[0064] The rotating structure 500 includes a rotating shaft 5001, a circular stop 5002 on the top of the rotating shaft 5001, and the bottom of the rotating shaft 5001 is fixedly connected to the rectangular part 10100 by a first screw 5003; a circle 5004 is coaxially connected to the outside of the rotating shaft; the circle 5004 is fixedly connected to the swing rod 501.

[0065] The top of the rectangular portion 10100 is provided with a limiting member 505, which includes a horizontal bar with two stops at both ends. The stops are located on both sides of the fan-shaped hole 102. The limiting member 505 restricts the maximum swing angle of the swing arm 501.

[0066] Therefore, when using it, such as Figure 9 The writing board body 2 is located inside the vehicle and is in a stationary state. The structure above is engaged with the V-shaped groove formed by the vertical locking shaft 6 and the V-shaped stop 504.

[0067] When the outer cover plate 3 is pressed, such as Figure 10 The vertical locking shaft 6 engages with the upper left part of the first part 502, and the swing rod 501 deflects; then, after the outer cover plate 3 is released, the vertical locking shaft 6 enters the slide groove 103 along the sliding channel under the action of the spiral spring 4; due to the closed V-shape of the top of the first part 502, the vertical locking shaft 6 must open and close with the upper left part.

[0068] refer to Figure 11 When the writing tablet body 2 is pushed in, the vertical locking shaft 6 enters the sliding channel from the slide groove 103. At this time, due to the setting of the obstructing inclined surface, the vertical locking shaft 6 contacts the obstructing inclined surface when it enters, and the swing rod 501 deflects. At this time, it can only enter from the side of the sliding channel to the vicinity of the V-shaped groove formed by the V-shaped stop 504. At this time, the writing tablet body 2 is pushed in to the limit position, and the swing rod 501 deflects again and is on the same straight line as the slide groove 103. Finally, the applied pushing force is removed, and the spiral spring 4 opens and closes with the V-shaped groove to complete the locking.

[0069] In some preferred embodiments, to prevent the writing pad from retracting into the dashboard due to inertia during emergency braking, the friction of the writing pad's slide rail is usually set to be relatively high. This ensures that the writing pad does not retract into the dashboard during emergency braking, but because the friction is high, the force required to pull out the writing pad is also high, resulting in poor operating comfort. Therefore, a gravity lock mechanism is added to prevent the writing pad from moving towards the front of the vehicle during emergency braking, thus avoiding accidental locking.

[0070] refer to Figures 12-16 The specific structure of the anti-accidental activation component 7 is explained in detail below:

[0071] It also includes an anti-accidental opening component 7, which has a limiting rib 700 that rotates under gravity;

[0072] The top of the writing board body 2 is provided with a guide groove 200 extending along its moving direction. The guide groove 200 includes a third part and a fourth part connected to each other. The width of the third part and the length of the limiting rib 700 are both greater than the width of the fourth part. The fourth part is far away from the outer cover plate 3, and its width is greater than the width of the limiting rib 700.

[0073] Therefore, based on the above explanation, under normal conditions, the limit rib 700 is parallel to the third part, and at this time there is no limit function; as follows: Figure 13 and Figure 14 .

[0074] like Figure 15 and Figure 16 The anti-accidental opening component 7 includes a accommodating compartment 702, within which are a resilient reset member and a gravity deflector block 701. The resilient reset member is rotatably connected to the writing board body 2. A limiting rib 700 is connected to the bottom of the resilient reset member, and the gravity deflector block 701 is radially arranged along its outer periphery. Two spaced-apart horizontal baffles 703 are provided within the accommodating compartment 702, and the rotatable connection point between the resilient reset member and the writing board body 2 is located between the two horizontal baffles 703. During emergency braking of the vehicle, the gravity deflector block 701 drives the resilient reset member to rotate; after emergency braking, the resilient reset member drives the gravity deflector block 701 to reset. The horizontal baffles 703 restrict the range of motion of the gravity deflector block 701, with a maximum rotation range of 180 degrees.

[0075] During emergency braking, the limiting rib 700, under the action of inertia, overcomes the spring force of the elastic reset member and rotates around the elastic reset member. The limiting rib 700 is perpendicular to the third part. Additionally, the writing pad body 2 moves towards the front of the vehicle under inertia. Because the spiral spring 4 exerts a large outward force on the writing pad body 2, the inertial force must first overcome the outward force of the spiral spring 4 before driving the writing pad body 2 to move. Its movement lags behind the movement of the gravity sway block 701. When the writing pad body 2 moves, the gravity sway block 701 has already moved to the locked position, stopping the writing pad body 2. After braking, the gravity sway block 701 returns to its initial position under the elastic force of the elastic reset member.

[0076] refer to Figure 12 The elastic reset component includes:

[0077] A first cylinder 704 and a second cylinder 707; the first cylinder 704 is closed at the top and open at the bottom; the second cylinder 707 is open at the top and closed at the bottom; a circular shaft 705, the top of which is located inside the first cylinder 704 and is rotatably connected to the top of the first cylinder 704; the bottom of the circular shaft 705 is fixedly connected to the inner bottom wall of the second cylinder 707; a torsion spring 706 is sleeved on the circular shaft 705 and provides a restoring force for the second cylinder 707.

[0078] A rack 8 is provided on the inner bottom wall of the housing 1, extending along the moving direction of the writing tablet body 2; a rotary damper 10, meshing with the rack 8, is provided on the bottom wall of the writing tablet body 2. The use of the rotary damper 10 provides damping force and improves the user experience. The structure of the rotary damper 10 is a prior art structure and will not be described in detail. A movement trajectory correction groove is also provided on the top of the housing 1, and a corresponding guide block is provided on the top of the writing tablet body 2.

[0079] This application also proposes a vehicle that includes the above-mentioned easy-to-open and use writing board assembly. The vehicle can be a gasoline-powered vehicle or a new energy vehicle, such as an electric vehicle. This solution simplifies the operation of opening and closing the writing board body 2, simplifying the original process of first opening the outer cover and then overcoming considerable friction to pull out the writing board body 2, to simply pressing to unlock, and then the writing board body 2 automatically pops out; closing the writing board body also only requires pushing the writing board to close and lock. This improves operational comfort. While ensuring that the writing board body 2 does not automatically open during emergency braking, this solution reduces the operational force required to close the writing board body 2, thus improving operational comfort. This solution integrates the outer cover 3 with the writing board body 2, improving the space utilization of the writing board assembly and increasing the usable area of ​​the writing board.

[0080] Example 1

[0081] The easy-to-open and easy-to-use writing pad assembly is located on the passenger side dashboard of the vehicle. When the writing pad body 2 is stationary and stored, the spiral spring 4 is stretched out, and the labyrinth locking mechanism 5 locks the vertical locking shaft 6. When needed, simply press the outer cover 3 towards the front of the vehicle. During this process, the labyrinth locking mechanism 5 automatically unlocks, and the writing pad body 2 moves towards the rear of the vehicle under the action of the spiral spring 4, thereby popping out the dashboard and driving the writing pad body 2 towards the front of the vehicle. The above structure makes the removal of the writing pad body 2 convenient. By combining the outer cover 3 with the writing pad body 2, the space utilization rate is improved, and the usable area of ​​the writing pad body 2 is increased.

[0082] Example 2

[0083] The easy-to-open and easy-to-use writing pad assembly is located on the passenger side dashboard, under the rear seats, but its orientation is opposite to that of Embodiment 1. When the writing pad body 2 is stationary and stored, the spiral spring 4 is stretched out, and the labyrinth locking mechanism 5 locks the vertical locking shaft 6. When needed, simply press the outer cover 3 towards the front of the vehicle. During this process, the labyrinth locking mechanism 5 automatically unlocks, and the writing pad body 2 moves towards the front of the vehicle under the action of the spiral spring 4, thereby popping out the dashboard and moving the writing pad body 2 towards the rear of the vehicle. The above structure makes the removal of the writing pad body 2 convenient. By combining the outer cover 3 with the writing pad body 2, the space utilization rate is improved, and the usable area of ​​the writing pad body 2 is increased.

[0084] Of course, it can also be located in other places on the vehicle. This application does not exclude other specific limitations, and other locations on the vehicle are also included in the scope of this application.

[0085] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart... Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0086] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0087] In the description of this application, it should be noted that the terms "upper," "lower," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Unless otherwise expressly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0088] It should be noted that in this application, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0089] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A writing tablet assembly that is easy to open and use, characterized in that, It includes: The shell (1) has an opening that communicates with its internal accommodating space; The writing tablet body (2) has a portion extending through the opening into the accommodating space, and another portion having an outer cover plate (3) that closes the opening; a spiral spring (4) is provided at the bottom of the writing tablet body (2) away from the outer cover plate (3), and the outer end of the spiral spring (4) is connected to the bottom wall of the accommodating space near the opening; a vertical locking shaft (6) is provided at the top of the writing tablet body (2) above the spiral spring (4). A maze locking mechanism (5) is mounted on the housing (1) and is used to lock the vertical locking shaft (6). The anti-accidental opening component (7) has a limiting rib (700) that rotates under gravity; the top of the writing board body (2) is provided with a guide groove (200) extending along its moving direction. The guide groove (200) includes a third part and a fourth part connected to each other. The width of the third part and the length of the limiting rib (700) are both greater than the width of the fourth part. The fourth part is far away from the outer cover plate (3) and its width is greater than the width of the limiting rib (700). The anti-accidental opening component (7) includes a accommodating compartment (702), which is provided with an elastic reset component and a gravity deflection block (701). The elastic reset component is rotatably connected to the writing board body (2). The bottom of the elastic reset component is connected to the limiting rib (700), and the gravity deflection block (701) is arranged radially along the outer periphery of the elastic reset component. The accommodating compartment (702) is provided with two spaced-apart horizontal deflection block baffles (703). The connection point between the elastic reset component and the writing board body (2) is located between the two horizontal deflection block baffles (703). When the vehicle brakes suddenly, the gravity deflection block (701) drives the elastic reset component to rotate. After the sudden braking ends, the elastic reset component drives the gravity deflection block (701) to reset.

2. The writing tablet assembly as described in claim 1, characterized in that: The upper surface of the housing (1) has a protruding guide (101), which includes a rectangular portion (10100) and a strip channel portion (10101). The strip channel portion (10101) extends toward the opening. The rectangular portion (10100) is provided with a fan-shaped hole (102). The bottom surface of the strip channel portion (10101) is provided with a groove (103). The maze locking mechanism (5) includes a rotating structure (500), which is located at the top of the rectangular part (10100) and on the central axis of the slide (103). A swing rod (501) is connected to the outside of the rotating structure (500). The bottom of the swing rod (501) has a maze channel, which communicates with the slide (103) and is used to limit the vertical locking shaft (6). The projection of the movement trajectory of the swing rod (501) on the plane of the fan-shaped hole (102) is located in the fan-shaped hole (102).

3. The writing tablet assembly as described in claim 2, characterized in that: The maze passage includes a first part (502) connected in sequence, a connecting canyon, and a second part (503); the first part (502) is a regular V-shape and its top is closed; the second part (503) is an inverted V-shape and its bottom is open; A V-shaped stop (504) is provided in the first part (502) and near the connecting canyon. The V-shaped stop (504) is deflected and its opening faces the top of the first part (502) to divide the first part (502) into a sliding channel and a sliding channel. A blocking inclined surface is provided on the side of the V-shaped stop (504) near the sliding channel. The V-shaped groove formed by the V-shaped stop (504) is used to restrict the vertical locking shaft (6).

4. The writing tablet assembly as described in claim 2, characterized in that: The rotating structure (500) includes a rotating shaft (5001), a circular stop (5002) on the top of the rotating shaft (5001), and the bottom of the rotating shaft (5001) is fixedly connected to the rectangular part (10100) by a first screw (5003); a circle (5004) is coaxially connected to the outside of the rotating shaft (5001); the circle (5004) is fixedly connected to the swing rod (501).

5. The writing tablet assembly as described in claim 2, characterized in that: The top of the rectangular part (10100) is provided with a limiting member (505), which includes a horizontal bar and two blocks at both ends of the horizontal bar. The blocks are located on both sides of the fan-shaped hole (102).

6. The writing tablet assembly as described in claim 1, characterized in that, The elastic reset element includes: First cylinder (704) and second cylinder (707); the top of the first cylinder (704) is closed and the bottom is open; The second cylinder (707) is open at the top and closed at the bottom; A circular shaft (705) has its top located inside the first cylinder (704) and is rotatably connected to the top of the first cylinder (704); the bottom of the circular shaft (705) is fixedly connected to the inner bottom wall of the second cylinder (707). A torsion spring (706) is sleeved on a round shaft (705) and provides a restoring force for the second cylinder (707).

7. The writing tablet assembly as described in claim 1, characterized in that: The inner bottom wall of the housing (1) is provided with a rack (8), which extends along the moving direction of the writing board body (2); The bottom wall of the writing board body (2) is provided with a rotation damper (10) that meshes with the rack (8).

8. A vehicle, characterized in that, It includes the writing tablet assembly that is easy to open and use as described in any one of claims 1-7.

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