Retractable device for man-machine interaction device

Abstract

The utility model discloses a folding and unfolding device for a man-machine interaction device, and relates to the technical field of storage structures, the folding and unfolding device comprises a storage box, the storage box comprises a fixed area and a movable area, the fixed area and the movable area are matched to form a containing cavity, the movable area comprises a first cover plate and a second cover plate, and the first cover plate and the second cover plate have an unfolding state and a storage state; the first ends of the first connecting rod and the second connecting rod are respectively connected with the first cover plate and the second cover plate; when the first connecting rod and the second connecting rod move in the direction close to the containing cavity, the first cover plate and the second cover plate are switched from the unfolded state to the folded state. When the first connecting rod and the second connecting rod move in the direction away from the containing cavity, the first cover plate and the second cover plate are switched from the folded state to the unfolded state. The first driving unit is connected with the first connecting rod and the second connecting rod, and the first driving unit is used for controlling the first connecting rod and the second connecting rod to be switched between the unfolding state and the folding state, so that the folding and unfolding speed of the folding and unfolding equipment is increased.

Description

Technical Field

[0001] This utility model relates to the field of storage structure technology, and in particular to a storage and unfolding device for human-computer interaction devices. Background Technology

[0002] In existing retraction and unfolding devices, especially those with multiple covers, the retraction and unfolding of the device requires waiting for each cover to be opened one by one. On the one hand, the opening and closing of the device takes a long time. On the other hand, during the unfolding or retraction process, one cover may be restricted by another cover after moving to a certain position, preventing it from moving further and causing the device to fail to complete the retraction and unfolding smoothly.

[0003] Therefore, how to reduce the time required for storing and unfolding the equipment, while simultaneously improving the smoothness of the storage and unfolding process, has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] The purpose of this invention is to provide a storage and unfolding device for human-computer interaction devices, so as to reduce the storage and unfolding time of the storage and unfolding device while improving the smoothness of storage and unfolding.

[0005] To achieve the above objectives, this utility model provides the following solution:

[0006] This utility model provides a take-up and release device, the take-up and release device comprising:

[0007] A storage box, comprising a fixed area and a movable area, wherein the fixed area and the movable area cooperate to form a receiving cavity, and the movable area includes a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate have an unfolded state and a folded state.

[0008] A linkage assembly includes a first link and a second link, wherein a first end of the first link and a first end of the second link are respectively connected to a first cover plate and a second cover plate; when the first link and the second link move toward the receiving cavity, the first cover plate and the second cover plate switch from an unfolded state to a retracted state; when the first link and the second link move away from the receiving cavity, the first cover plate and the second cover plate switch from a retracted state to an unfolded state.

[0009] A linkage control component is connected to the first link and the second link respectively, and the linkage control component is used to control the first link and the second link to switch between the extended state and the retracted state.

[0010] Preferably, the linkage control component includes a transmission unit and a first drive unit. The transmission unit includes a first transmission component and a second transmission component. The output shaft of the first drive unit is connected to the second end of the first connecting rod through the first transmission component, and the output shaft of the first drive unit is connected to the second end of the second connecting rod through the second transmission component.

[0011] Preferably, the linkage control component further includes a controller, which is signal-connected to the first drive unit;

[0012] When the retractable device is retracted, the controller sends a first signal to the first drive unit. The first signal causes the first drive unit to apply a first force to the first cover plate through the first connecting rod. The first drive unit applies a second force to the second cover plate through the second connecting rod. The first force and the second force respectively cause the first cover plate and the second cover plate to move toward the receiving cavity.

[0013] When the retractable device is deployed, the controller sends a second signal to the first drive unit. The second signal causes the first drive unit to apply a third force to the first cover plate through the first connecting rod. The first drive unit then applies a fourth force to the second cover plate through the second connecting rod. The third force and the fourth force respectively cause the first cover plate and the second cover plate to move away from the receiving cavity.

[0014] Preferably, the first drive unit includes a first drive component and a second drive component, the output shaft of the first drive component is connected to the second end of the first connecting rod, the output shaft of the second drive component is connected to the second end of the second connecting rod, and both the first drive component and the second drive component are signal connected to the controller.

[0015] When the retracting device is retracted, the controller sends a third signal and a fourth signal to the first driving member and the second driving member respectively. The third signal causes the first driving member to apply a fifth force to the first cover plate through the first connecting rod. The fourth signal causes the second driving member to apply a sixth force to the second cover plate through the second connecting rod. The fifth force and the sixth force respectively cause the first cover plate and the second cover plate to move toward the receiving cavity.

[0016] When the retractable device is deployed, the controller sends a fifth signal and a sixth signal to the first drive member and the second drive member respectively. The fifth signal causes the first drive member to apply a seventh force to the first cover plate through the first connecting rod, and the sixth signal causes the second drive member to apply an eighth force to the second cover plate through the second connecting rod. The seventh force and the eighth force respectively cause the first cover plate and the second cover plate to move away from the receiving cavity.

[0017] Preferably, a buffer section is provided outside the fixed area. The buffer section includes a buffer spring, a damper, and a buffer seat. The damper passes through the buffer spring, and both ends of the damper are connected to the fixed area and the buffer seat, respectively.

[0018] Preferably, the buffer seat is provided with a magnet, and the fixed area is provided with a closed coil on the side facing the buffer seat, and the closed coil is connected to a capacitor.

[0019] The present invention achieves the following technical advantages over the prior art:

[0020] When the human-computer interaction device needs to be retracted into the receiving cavity, i.e., when the device is stored, the first drive unit drives the first and second connecting rods to move, which in turn drives the first and second cover plates to move towards the receiving cavity, thus realizing the storage of the human-computer interaction device. When the human-computer interaction device needs to be unfolded from the receiving cavity, i.e., when the device is unfolded, the first drive unit drives the first and second connecting rods to move, which in turn drives the first and second cover plates to move away from the receiving cavity, allowing the human-computer interaction device to be unfolded from the receiving cavity. By driving the first and second connecting rods, the first drive unit enables the first and second cover plates to move simultaneously towards and away from the receiving cavity. This achieves "one-step storage and unfolding" of the storage box, which improves the storage and unfolding speed of the device and at the same time avoids as much as possible the problem of the first cover plate being pulled or restricted by the second cover plate during the movement due to the separate movement of the first and second cover plates and the large difference in the movement speed between the first and second cover plates, or even jamming. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the structure of the first cover plate and the second cover plate;

[0023] Figure 2 This is a schematic diagram of the structure of the first drive unit;

[0024] Figure 3 This is a structural diagram of the storage box;

[0025] Among them, 1. First cover plate; 2. Second cover plate; 3. First drive unit; 4. First connecting rod; 5. Storage box; 6. First gear; 7. Second gear; 8. Transmission rod. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] like Figures 1-3 As shown, this utility model discloses a storage and unfolding device, which includes: a storage box 5, which includes a fixed area and a movable area, the fixed area and the movable area cooperate to form a receiving cavity, the movable area includes a first cover plate 1 and a second cover plate 2, the first cover plate 1 and the second cover plate 2 have an unfolded state and a folded state; a linkage assembly, which includes a first link 4 and a second link, the first end of the first link 4 and the first end of the second link are respectively connected to the first cover plate 1 and the second cover plate 2; when the first link 4 and the second link move toward the receiving cavity, the first cover plate 1 and the second cover plate 2 switch from the unfolded state to the folded state; when the first link 4 and the second link move away from the receiving cavity, the first cover plate 1 and the second cover plate 2 switch from the folded state to the unfolded state; and a linkage control assembly, which includes a first drive unit 3, the output shaft of the first drive unit 3 is connected to the second end of the first link 4 and the second end of the second link, the first drive unit 3 is used to drive the first link 4 and the second link to switch between the unfolded state and the folded state.

[0029] When the human-computer interaction device needs to be retracted into the receiving cavity, i.e., when the device is stored, the first drive unit 3 drives the first link 4 and the second link to move, which in turn drives the first cover plate 1 and the second cover plate 2 to move towards the receiving cavity, thereby realizing the storage of the human-computer interaction device. When the human-computer interaction device needs to be unfolded from the receiving cavity, i.e., when the device is unfolded, the first drive unit 3 drives the first link 4 and the second link to move, which in turn drives the first cover plate 1 and the second cover plate 2 to move away from the receiving cavity, allowing the human-computer interaction device to be unfolded from the receiving cavity. The linkage control component enables the first cover plate 1 and the second cover plate 2 to move simultaneously towards and away from the receiving cavity. This achieves "one-step storage and unfolding" of the storage box 5, which improves the storage and unfolding speed of the device and at the same time avoids the problem of the first cover plate 1 being pulled or restricted by the second cover plate 2 during the movement of the first cover plate 1 and the second cover plate 2 due to their separate movements and the large difference in their movement speeds. This further improves the storage and unfolding speed of the storage box 5.

[0030] In this invention, the fixed area is the region of the storage box 5 that does not move, and the movable area is the region that moves relative to the fixed area. The storage box 5 is used to store human-computer interaction devices such as displays and laptops. The first drive unit 3 may have only one output shaft, with the first connecting rod 4 and the second connecting rod simultaneously connected to the output shaft of the first drive unit 3, and the first connecting rod 4 and the second connecting rod being arranged to avoid each other; or, the first drive unit 3 may have two output shafts, such as a double-rod cylinder, with the first connecting rod 4 and the second connecting rod respectively connected to the two output shafts of the first drive unit 3.

[0031] The receiving cavity in this utility model can be configured in various ways. For example, the receiving cavity can be formed by a fixed area and a movable area. In this case, the receiving cavity can be a closed receiving cavity or a receiving cavity with an opening. In this case, when the first cover plate 1 and the second cover plate 2 move away from the receiving cavity, the cooperation between the fixed area and the movable area disappears, and the human-machine interaction device is naturally exposed from the receiving cavity. Alternatively, the fixed area itself forms a receiving cavity with an opening, and the movable area and the fixed area cooperate to form a closed receiving cavity. That is, in this case, the movable area matches the opening and can cover the opening to form a closed cavity or a receiving cavity that still has an opening. When the movable area cooperates with the fixed area's own receiving cavity with an opening, the resulting receiving cavity still has an opening, and the effective covering area of ​​the movable area is smaller than the area of ​​the opening. Or, the movement of the movable area is only for aesthetic purposes. The specific configuration depends on the working conditions.

[0032] Furthermore, the simultaneous movement of the first cover plate 1 and the second cover plate 2 toward the receiving cavity does not mean that the first cover plate 1 and the second cover plate 2 move in the same direction in space. For example, when the first cover plate 1 and the second cover plate 2 move toward the receiving cavity at the same time, the first cover plate 1 can rotate counterclockwise relative to the fixed area, and the second cover plate 2 can rotate clockwise relative to the fixed area. Similarly, when the first cover plate 1 and the second cover plate 2 move toward the receiving cavity at the same time, the first cover plate 1 and the second cover plate 2 can also both rotate counterclockwise relative to the fixed area.

[0033] Meanwhile, the first cover plate 1 and the second cover plate 2 in this utility model, i.e., the moving area, have rotation and movement modes. According to the movement mode of the moving area, the first drive unit 3 can select different types of drive structures, and the shapes of the first connecting rod 4 and the second connecting rod need to be adjusted accordingly according to the movement mode of the moving area. For example, when the moving area, i.e., the first cover plate 1 and the second cover plate 2, moves relative to the fixed area, the first drive unit 3 can specifically be a cylinder, hydraulic cylinder, or electric push rod, etc., which can perform linear drive. The first connecting rod 4 and the second connecting rod are straight rods, and the extension direction of the first connecting rod 4 and the second connecting rod is the same as the driving direction of the first drive unit 3, so that the first drive unit 3 can drive the first cover plate 1 and the second cover plate 2 to move through the first connecting rod 4 and the second connecting rod, respectively. When the moving area, i.e., the first cover plate 1 and the second cover plate 2, rotates relative to the fixed area, the first drive unit 3 can be a motor capable of rotational motion, specifically a brushless motor. Compared with the roller motor in the prior art, the brushless motor can significantly reduce the operating noise of the storage and take-up device. Furthermore, other types of drive devices capable of rotational motion can be selected according to other requirements. In this case, the first connecting rod 4 and the second connecting rod need to be arc-shaped rods, and the bending angle and direction of the first connecting rod 4 and the second connecting rod need to match the rotation requirements of the first cover plate 1 and the second cover plate 2, so that the first drive unit 3 can drive the first cover plate 1 and the second cover plate 2 to rotate respectively through the first connecting rod 4 and the second connecting rod. If the working conditions require it and the storage device can meet the needs, two first drive units 3 can also be set. The output shafts of the two first drive units 3 are connected to the second end of the first connecting rod 4 and the second end of the second connecting rod, respectively. One first drive unit 3 drives the first cover plate 1 to rotate through the first connecting rod 4, and the other first drive unit 3 drives the second cover plate 2 to move through the second connecting rod.

[0034] The linkage control component of this utility model also includes a transmission unit, which includes a first transmission component and a second transmission component. The output shaft of the first drive unit 3 is connected to the second end of the first connecting rod 4 through the first transmission component, and the output shaft of the first drive unit 3 is connected to the second end of the second connecting rod through the second transmission component. By setting the transmission unit between the first drive unit 3, the first connecting rod 4, and the second connecting rod, the power transmission of the first drive unit 3 is more stable, and the movement of the first cover plate 1 and the second cover plate 2 is also more stable, making it less prone to shaking and noise.

[0035] When the first drive unit 3 is a drive device capable of rotary motion, the transmission unit, i.e., the first transmission component and the second transmission component, can specifically be a gear set, cam, connecting rod, or other transmission component capable of transmitting the power of the first drive unit 3 to the connecting rod assembly and driving the first connecting rod 4 and the second connecting rod to rotate. As shown in the figure, the output shaft of the first drive unit 3 is provided with a first gear 6, which is connected to the second end of the first connecting rod 4. The first gear 6 can directly mesh with the second gear 7, which is connected to the second end of the second connecting rod. Thus, the rotation of the first drive unit 3 can drive the first gear 6 and the second gear 7 to rotate, thereby driving the first connecting rod 4 and the second connecting rod to rotate. Alternatively, if the output force of the first drive unit 3 is small, multiple meshing gears can be set between the first gear 6 and the second gear 7 to increase the output force of the first drive unit 3 through a gear set composed of multiple gears. When the first cover plate 1 and the second cover plate 2, i.e., the moving area, move relative to the fixed area, the first drive unit 3 can specifically be a cylinder, hydraulic cylinder, or electric push rod, or other drive device capable of linear motion. At this time, the transmission unit may specifically include multiple connecting rods. For example, the first transmission component is a connecting rod, and the two ends of the connecting rod are respectively connected to the first end of the first drive unit 3 and the first connecting rod 4. Alternatively, the transmission unit may include multiple sliders, etc. Or, the transmission unit may also be other structures that can transmit the driving force of the linear drive device to the first connecting rod 4 and the second connecting rod, so that the first cover plate 1 and the second cover plate 2 can move linearly. Alternatively, the transmission unit may be omitted, and the first drive unit 3 may be connected to the first cover plate 1 and the second cover plate 2 through the first connecting rod 4 and the second connecting rod, respectively.

[0036] It should be noted that the moving area in this utility model does not necessarily include only the first cover plate 1 and the second cover plate 2; the moving area may also include other numbers of cover plates (at least one cover plate). Similarly, if the transmission unit has at least one transmission component, then the moving area also has only one cover plate; the number of transmission units matches the number of moving areas. When the linkage assembly includes multiple links, and there are links that move synchronously and have the same trajectory, the links can be connected by the transmission rod 8, such as... Figure 2As shown, this utility model has a first connecting rod 4 and a second connecting rod at one end of the transmission rod 8, and a first connecting rod 4 and a second connecting rod at the other end of the transmission rod 8. A first driving unit 3 is provided at one end of the transmission rod 8. The first driving unit 3 is indirectly connected to the first connecting rod 4 and the second connecting rod through a transmission component, or the first driving unit 3 is directly connected to the first connecting rod 4 and the second connecting rod. When the first driving unit 3 drives the first connecting rod 4 and the second connecting rod located at one end of the transmission rod 8 to rotate, it... Figure 2 The gears located at both ends of the transmission rod 8 drive the first and second connecting rods on the other side to rotate. Moreover, human-computer interaction devices such as light field screens can be installed on the transmission rod 8. At this time, the first connecting rod 4, the second connecting rod and the transmission rod 8 are all connected to the output shaft of the first drive unit. Thus, while the first drive unit 3 drives the first cover plate 1 and the second cover plate 2 to rotate through the first connecting rod 4 and the second connecting rod, the human-computer interaction device also rotates out or into the storage box along with the rotation of the transmission rod 8.

[0037] Furthermore, while the linkage control component includes the aforementioned transmission unit, the linkage component may also include a controller, which is signal-connected to the first drive unit 3. Thus, when the retractable device needs to be retracted, the controller sends a first signal to the first drive unit 3. The first signal causes the first drive unit 3 to apply a first force to the first cover plate 1 through the first transmission member and the first connecting rod 4, and causes the first drive unit 3 to apply a second force to the second cover plate 2 through the second transmission member and the second connecting rod. The first force causes the first cover plate 1 to move towards the receiving cavity, and the second force causes the second cover plate 2 to move towards the receiving cavity. When the retractable device needs to be unfolded, the controller sends a second signal to the first drive unit 3. The second signal causes the first drive unit 3 to apply a third force to the first cover plate 1 through the first transmission member and the first connecting rod 4, and causes the first drive unit 3 to apply a fourth force to the second cover plate 2 through the second transmission member and the second connecting rod. The third force causes the first cover plate 1 to move away from the receiving cavity, and the fourth force causes the second cover plate 2 to move away from the receiving cavity.

[0038] Alternatively, the first driving unit 3 in this utility model may further include a first driving member and a second driving member. The output shaft of the first driving member is connected to the second end of the first connecting rod 4, and the output shaft of the second driving member is connected to the second end of the second connecting rod. Both the first and second driving members are signal-connected to the controller. When the retractable device needs to be retracted, the controller sends a third signal and a fourth signal to the first and second driving members respectively. The third signal causes the first driving member to apply a fifth force to the first cover plate 1 through the first connecting rod 4, and the fourth signal causes the second driving member to apply a sixth force to the second cover plate 2 through the second connecting rod. The fifth and sixth forces respectively cause the first cover plate 1 and the second cover plate 2 to move towards the receiving cavity. When the retractable device needs to be unfolded, the controller sends a fifth signal and a sixth signal to the first and second driving members respectively. The fifth signal causes the first driving member to apply a seventh force to the first cover plate 1 through the first connecting rod 4, and the sixth signal causes the second driving member to apply an eighth force to the second cover plate 2 through the second connecting rod. The seventh and eighth forces respectively cause the first cover plate 1 and the second cover plate 2 to move away from the receiving cavity.

[0039] It should be noted that the signals 1...n mentioned above are control commands sent by the controller to the first drive unit 3, the second drive unit, or the drive component when the controller controls the movement of the first drive unit 3 or the second drive unit or the drive component. This is existing technology and will not be elaborated further. Human-computer interaction devices refer to devices such as displays, radios, and speakers that can output corresponding information after a person inputs information. For example, pressing a button on a radio or display will cause the radio to emit sound or the display to switch images.

[0040] Furthermore, the human-computer interaction device in this utility model can be directly placed in the storage box 5. After opening the storage box 5 through the first cover plate 1 and the second cover plate 2, the operator can take out the human-computer interaction device from the storage box 5 for use. Alternatively, the human-computer interaction device can also be connected to the output shaft of the first drive unit 3 or the first drive component, or the second drive component. Under the action of the above-mentioned drive structure, the human-computer interaction device can move towards and away from the receiving cavity. For example, when the human-computer interaction device is a light field screen (the light field screen can be understood as a vehicle display screen), the light field screen can be fixed on the output shaft of the above-mentioned drive structure. At this time, the above-mentioned drive structure can specifically be a rotary drive device or a linear drive device. The above-mentioned drive structure applies a ninth force to the light field screen and other human-computer interaction devices, so that the human-computer interaction device can be stored in the receiving cavity or protrude out of the receiving cavity by rotating or moving. At this time, the movement trajectory of the human-computer interaction device is set to avoid the movement trajectory of the first cover plate 1 and the second cover plate 2, i.e., the movement area. The avoidance setting means that the movement of the item, the first cover plate 1 and the second cover plate 2 do not interfere with each other and can be smoothly realized.

[0041] "And / or" refers to the text content before and after "and / or" and the text content after "and / or" that can exist simultaneously or separately. For example, "A and / or B" includes three cases: only A or B exists, and A and B exist simultaneously.

[0042] Furthermore, this utility model provides a position sensor on the output shaft of the relevant drive structure of the linkage control component. The position sensor provides feedback to determine whether the human-machine interaction device and the linkage assembly have moved into position. The position sensor is also connected to the controller signal. The controller determines whether the human-machine interaction device and the linkage assembly have moved into position based on the data fed back by the position sensor. If they have moved into position, the operation of the first drive unit 3 is stopped. Depending on the type of the first drive unit 3, the position sensor can be an angle sensor or a displacement sensor.

[0043] In this invention, a buffer section is provided outside the fixed area, i.e., the storage box 5. The buffer section includes a buffer spring, a damper, and a buffer seat. The buffer spring is sleeved on the outside of the damper, and the two ends of the damper are connected to the fixed area and the buffer seat, respectively. In this way, when external vibrations or impacts are transmitted to the storage box 5, they first act on the buffer seat, and the damper and the buffer spring buffer offset most of the energy, thereby significantly reducing or even avoiding the vibration of the human-machine interface device (excluding the area of ​​the buffer section). Furthermore, depending on the working conditions, the damper can be omitted, and the two ends of the buffer spring can be connected to the fixed area and the buffer seat, respectively. The buffer seat can be fixed inside the vehicle or other required areas.

[0044] Meanwhile, this utility model has a magnet on the buffer seat and a closed coil on the side of the fixed area facing the buffer seat. The closed coil is connected to a capacitor and is arranged to avoid the damper and buffer spring. When the fixed area vibrates slightly, the magnet moves closer to and further away from the closed coil, which causes the magnetic flux to change. This induces a current in the closed coil. The induced current can be transmitted to devices that can store electrical energy, such as capacitors and inductors, through conductive parts such as wires. The stored electrical energy can be used to power the controller and other structures.

[0045] This utility model discloses multiple technical solutions, but does not provide any contrary technical teachings.

[0046] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A retractable device for human-computer interaction devices, characterized in that, The receiving and extending device includes: A storage box, comprising a fixed area and a movable area, wherein the fixed area and the movable area cooperate to form a receiving cavity, and the movable area includes a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate have an unfolded state and a folded state. A linkage assembly includes a first link and a second link, wherein a first end of the first link and a first end of the second link are respectively connected to a first cover plate and a second cover plate; when the first link and the second link move toward the receiving cavity, the first cover plate and the second cover plate switch from an unfolded state to a retracted state; when the first link and the second link move away from the receiving cavity, the first cover plate and the second cover plate switch from a retracted state to an unfolded state. The linkage control component includes a first drive unit, the output shaft of the first drive unit is connected to the second end of the first connecting rod, and the output shaft of the first drive unit is connected to the second end of the second connecting rod. The first drive unit is used to drive the first connecting rod and the second connecting rod to switch between an extended state and a retracted state.

2. The receiving and discharging device according to claim 1, characterized in that, The linkage control component includes a transmission unit, which includes a first transmission component and a second transmission component. The output shaft of the first drive unit is connected to the second end of the first connecting rod through the first transmission component, and the output shaft of the first drive unit is connected to the second end of the second connecting rod through the second transmission component.

3. The receiving and discharging device according to claim 1 or 2, characterized in that, The linkage control component further includes a controller, which is signal-connected to the first drive unit; When the retractable device is retracted, the controller sends a first signal to the first drive unit. The first signal causes the first drive unit to apply a first force to the first cover plate through the first connecting rod. The first drive unit applies a second force to the second cover plate through the second connecting rod. The first force and the second force respectively cause the first cover plate and the second cover plate to move toward the receiving cavity. When the retractable device is deployed, the controller sends a second signal to the first drive unit. The second signal causes the first drive unit to apply a third force to the first cover plate through the first connecting rod. The first drive unit then applies a fourth force to the second cover plate through the second connecting rod. The third force and the fourth force respectively cause the first cover plate and the second cover plate to move away from the receiving cavity.

4. The receiving and discharging device according to claim 3, characterized in that, The first drive unit includes a first drive component and a second drive component. The output shaft of the first drive component is connected to the second end of the first connecting rod, and the output shaft of the second drive component is connected to the second end of the second connecting rod. Both the first drive component and the second drive component are signal-connected to the controller. When the retracting device is retracted, the controller sends a third signal and a fourth signal to the first driving member and the second driving member respectively. The third signal causes the first driving member to apply a fifth force to the first cover plate through the first connecting rod. The fourth signal causes the second driving member to apply a sixth force to the second cover plate through the second connecting rod. The fifth force and the sixth force respectively cause the first cover plate and the second cover plate to move toward the receiving cavity. When the retractable device is deployed, the controller sends a fifth signal and a sixth signal to the first drive member and the second drive member respectively. The fifth signal causes the first drive member to apply a seventh force to the first cover plate through the first connecting rod, and the sixth signal causes the second drive member to apply an eighth force to the second cover plate through the second connecting rod. The seventh force and the eighth force respectively cause the first cover plate and the second cover plate to move away from the receiving cavity.

5. The receiving and discharging device according to claim 1, characterized in that, A buffer section is provided outside the fixed area. The buffer section includes a buffer spring, a damper, and a buffer seat. The damper passes through the buffer spring, and its two ends are connected to the fixed area and the buffer seat, respectively.

6. The receiving and discharging device according to claim 5, characterized in that, The buffer seat is equipped with a magnet, and the fixed area is provided with a closed coil on the side facing the buffer seat, and the closed coil is connected to a capacitor.

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