Small table board for vehicle and armrest box for vehicle

Abstract

The invention provides a vehicle small table board and a vehicle armrest box, and belongs to the technical field of vehicle parts, the vehicle small table board comprises an extension driving mechanism, the extension driving mechanism comprises an elastic energy storage part, a driving shaft and a driving gear, and the driving shaft is connected with the elastic energy storage part; the lead screw is provided with a transmission gear, the transmission gear is fixedly connected with the lead screw in the circumferential direction, and the transmission gear is meshed with the driving gear so that the driving shaft can drive the lead screw to rotate when rotating. The telescopic connecting piece is provided with a threaded sleeve, the threaded sleeve is in threaded connection with the lead screw, and the lead screw drives the telescopic connecting piece to move in the axial direction of the lead screw when rotating; the table plate body is mounted on the telescopic connecting piece; the non-motor-driven small table plate for the vehicle has the beneficial effects that the requirement for arranging a motor and corresponding electronic elements is omitted, the structure is simplified, the cost is reduced, the risk of electrical faults does not exist, and the use reliability is greatly improved.

Description

Technical Field

[0001] The invention belongs to the technical field of vehicle parts and relates to a vehicle small table and a vehicle armrest box. Background Art

[0002] In order to improve the comfort and convenience of passengers, many modern cars are equipped with an armrest box in the middle of the rear seat of the vehicle. This type of armrest box mainly provides a simple elbow support platform. Some armrest boxes also have a small table function, which is usually a hidden design that can be raised and unfolded from the inside of the armrest box and can be easily stored back into the armrest box after use.

[0003] For example, an invention patent with application number CN201910088885.8, named "A small table for automobiles controlled by a single motor and a screw rod", controls the lifting and lowering of the small table through the transmission of a motor and a screw rod to achieve the extension and hiding functions of the small table. However, this electric small table is expensive, has a relatively complex structure, and relies on the power supply of the vehicle. Once the motor fails, the small table cannot be used normally, so there are certain problems in terms of reliability. Summary of the invention

[0004] The purpose of the present invention is to solve the above problems in the prior art and to provide a small vehicle table and a vehicle armrest box.

[0005] The purpose of the present invention can be achieved through the following technical solutions: A small car table, comprising: An extension drive mechanism, the extension drive mechanism comprising an elastic energy storage member, a drive shaft and a drive gear, the drive shaft is connected to the elastic energy storage member, and the drive gear is circumferentially fixedly connected to the drive shaft; A screw rod, wherein the screw rod is provided with a transmission gear, the transmission gear is circumferentially fixedly connected to the screw rod, and the transmission gear is meshed with the driving gear so that the screw rod is driven to rotate when the driving shaft rotates; A telescopic connecting piece, wherein the telescopic connecting piece is provided with a threaded sleeve, the threaded sleeve is threadedly connected to the screw rod, and when the screw rod rotates, the telescopic connecting piece is driven to move along the axial direction of the screw rod; A table board body, the table board body being mounted on the telescopic connector; The travel position of the telescopic connection member includes a retracted position and an extended position. When the telescopic connection member is located at the retracted position, the elastic energy storage member is in a force storage state. When the elastic energy storage member is in the force storage state, the telescopic connection member has a tendency to move toward the extended position.

[0006] Preferably, the extension drive mechanism also includes a mounting seat, the elastic energy storage member is installed in the mounting seat, part of the drive shaft is passed through the mounting seat, one end of the elastic energy storage member is fixedly connected to the mounting seat and the other end is fixedly connected to the drive shaft.

[0007] Preferably, the mounting base includes a base frame, an outer shell and a top cover, the top cover and the base frame are fixedly connected to the top and bottom of the outer shell respectively, the driving gear is arranged on the base frame, the elastic energy storage member is arranged in the outer shell, the top cover is provided with a bearing, the driving shaft is arranged in the outer shell, one end of the driving shaft is connected to the bearing of the top cover, and the other end of the driving shaft passes through the base frame and is connected to the driving gear.

[0008] Preferably, the base frame is fixedly connected with a damper, and the damper has a damping gear, and the damping gear is meshed with the driving gear.

[0009] Preferably, the elastic energy storage member is configured as a spring or a torsion spring.

[0010] Preferably, the number of the screw rods is at least two, the number of the threaded sleeves on the telescopic connector is the same as the number of the screw rods and are arranged in one-to-one correspondence, and each threaded sleeve is threadedly connected to each screw rod respectively.

[0011] Preferably, a switch mechanism is further included, the switch mechanism includes a switch frame, a switch rod and a switch spring, the switch rod is hinged to the switch frame, the switch rod is provided with a switch button and a lock tongue, the switch button and the lock tongue are respectively located on both sides of the hinge point of the switch rod, the two ends of the switch spring are respectively connected with the switch frame and the switch button so that the switch rod has a movement tendency toward a locked state, and the telescopic connecting member is provided with a lock groove; when the telescopic connecting member is located at the retracted position, the lock tongue buckles the lock groove to limit the movement of the telescopic connecting member, and when the switch button is pressed, the switch rod rotates to allow the lock tongue to separate from the lock groove.

[0012] Preferably, the table top body includes a connecting base plate, a retractable table top and a folding widened plate, the end of the connecting base plate is hinged to the retractable connecting piece, the retractable table top is movably connected to the connecting base plate, and the side of the folding widened plate is hinged to the side of the retractable table top.

[0013] Preferably, a protective cover is provided at the end of the retractable table top.

[0014] A vehicle armrest box comprises at least one of the above-mentioned vehicle small table tops, and also comprises a box body, an extending driving mechanism is fixed in the box body, a screw rod is rotatably installed in the box body, the box body is provided with an inlet and outlet for the table top body to enter and exit, and a protective cover is adapted to the shape and size of the inlet and outlet; when the table top body is retracted in the box body, the protective cover seals the inlet and outlet, and the end face of the protective cover is flush with the surface of the box body.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. Provides a non-motor-driven small table for vehicles, eliminating the need to set up motors and corresponding electronic components, simplifying the structure, reducing costs, and eliminating the risk of electrical failure, greatly improving reliability during use; 2. During the entire working process, there is no need to rely on the motor to provide power. The elastic energy storage parts are used to store and release energy, that is, from elastic potential energy to kinetic energy and then to linear displacement, thereby realizing the automatic extension of the table board body; 3. The function of the damper is to slow down the movement speed of the telescopic connector by providing resistance, so that the extension and retraction movement of the table board body is smoother and more controllable. Especially during the extension process, the damper can apply damping force to the drive gear to prevent the table board body from popping out quickly, thereby improving safety; 4. The switch mechanism is used to control the locking and unlocking of the telescopic connector. The switch frame is fixedly arranged in the box. The switch rod is hinged with the switch frame to form a lever structure. The switch button and the lock tongue are respectively located on both sides of the hinge point of the switch rod, which means that pressing the switch button can make the lock tongue swing around the hinge point to achieve the unlocking function. The function of the switch spring is to make the switch rod have a movement tendency toward the locked state (that is, the state where the lock tongue buckles the lock groove); 5. The protective cover of the table board body replaces the design of the movable cover. When the table board body is completely hidden in the box, the protective cover just covers the entrance and exit, making the overall structure simple and beautiful. In addition, when the table board body is fully extended, the telescopic connector just blocks the entrance and exit to prevent debris from entering the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the small vehicle table of the present invention retracted into the box.

[0017] Figure 2 It is a schematic diagram of the small vehicle table of the present invention in an extended state.

[0018] Figure 3 It is a schematic structural diagram of two sets of vehicle tray tables of the present invention.

[0019] Figure 4 It is a structural schematic diagram of the extension drive mechanism of the present invention.

[0020] Figure 5 It is a structural exploded view of the extension drive mechanism of the present invention.

[0021] Figure 6 It is a structural schematic diagram of the switch mechanism of the present invention.

[0022] Figure 7 It is a structural exploded view of the table top body of the present invention.

[0023] Figure 8 The figure is a schematic diagram of the internal structure of the vehicle armrest box of the present invention.

[0024] Fig. 9 The diagram is a schematic diagram of a state in which the small vehicle table of the present invention is hidden in the vehicle armrest box.

[0025] Fig.10 The diagram is a schematic diagram of the state of the vehicle tray table of the present invention after being unfolded from the vehicle armrest box.

[0026] In the figure, 100, extending driving mechanism; 110, elastic energy storage member; 120, driving shaft; 130, driving gear; 140, mounting seat; 141, base frame; 142, housing; 143, top cover; 150, damper; 151, damping gear; 200, screw rod; 210, transmission gear; 300, telescopic connecting piece; 310, screw sleeve; 320, locking groove; 400, table board body; 410, connecting base plate; 420, telescopic table board; 421, protective cover; 430, folding widening plate; 500, switch mechanism; 510, switch frame; 520, switch rod; 521, switch button; 522, lock tongue; 530, switch spring; 600, box body; 610, inlet and outlet. DETAILED DESCRIPTION

[0027] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0028] like Figures 1 to 10As shown, a small table for a car includes: an extension drive mechanism 100, the extension drive mechanism 100 includes an elastic energy storage member 110, a drive shaft 120 and a drive gear 130, the drive shaft 120 is connected to the elastic energy storage member 110, and the drive gear 130 is circumferentially fixedly connected to the drive shaft 120; a screw rod 200, the screw rod 200 is provided with a transmission gear 210, the transmission gear 210 is circumferentially fixedly connected to the screw rod 200, and the transmission gear 210 is meshed with the drive gear 130 so that when the drive shaft 120 rotates, the screw rod 200 is driven to rotate; a telescopic connecting member 300, the telescopic connection 300 is provided with a threaded sleeve 310, and the threaded sleeve 310 is threadedly connected to the screw rod 200, and when the screw rod 200 rotates, the telescopic connection 300 is driven to move along the axial direction of the screw rod 200; the table plate body 400, the table plate body 400 is installed on the telescopic connection 300; the travel position of the telescopic connection 300 includes a retracted position and an extended position, when the telescopic connection 300 is in the retracted position, the elastic energy storage member 110 is in a force storage state, and when the elastic energy storage member 110 is in the force storage state, the telescopic connection 300 has a tendency to move to the extended position.

[0029] The small car table can realize the extension and retraction of the table body 400 by non-motor drive. When the table body 400 is needed, it can be extended for use, and when it is not needed, it can be retracted into the car armrest box. Specifically, the power required for the extension of the table body 400 is provided by the extension drive mechanism 100, and the elastic energy storage member 110 can store energy and force when the table body 400 is retracted. When the elastic energy storage member 110 releases energy, it will drive the drive shaft 120 to rotate, and the drive gear 130 will rotate with the drive shaft 120. Since the drive gear 130 is meshed with the transmission gear 210, the drive gear 130 can drive the screw rod 200 to rotate through the transmission gear 210. The screw sleeve 310 of the telescopic connector 300 is threadedly connected to the screw rod 200. When the screw rod 200 rotates, the telescopic connector 300 can move along the axial direction of the screw rod 200, thereby driving the table body 400 to extend or retract. When the telescopic connecting member 300 is in the retracted position, the table board body 400 is completely hidden in the vehicle armrest box; when the telescopic connecting member 300 is in the extended position, the table board body 400 is completely extended from the vehicle armrest box.

[0030] The working principle of the small car table: when the telescopic connection 300 is locked in the retracted position, the elastic energy storage component 110 is in a power storage state, and the table body 400 is completely hidden in the car armrest box; when the user unlocks it, the elastic energy storage component 110 releases its stored energy to drive the drive shaft 120 to rotate, and the drive shaft 120 drives the screw rod 200 to rotate through the gear meshing transmission method. The rotation of the screw rod 200 is converted into a linear motion of the telescopic connection component 300 through the screw sleeve 310 threadedly connected thereto, so that the telescopic connection component 300 moves toward the extended position. When the telescopic connection component 300 reaches the extended position, the table body 400 can be turned over or unfolded for use; when the user needs to retract the table body 400, the telescopic connection component 300 can be manually pressed through the table body 400 to move toward the retracted position. During this process, the elastic energy storage component 110 re-accumulates power for use when it is extended next time, and is re-locked when the telescopic connection component 300 reaches the retracted position, so that the table body 400 is hidden in the car armrest box.

[0031] During the entire working process, there is no need to rely on the motor to provide power, and the elastic energy storage member 110 is used to store and release energy, that is, from elastic potential energy to kinetic energy and then to linear displacement, thereby realizing the automatic extension of the table board body 400. Therefore, the small table board for the vehicle eliminates the need to set up a motor and corresponding electronic components, simplifies the structure, reduces the cost, and eliminates the risk of electrical failure, greatly improving the reliability during use.

[0032] like Figures 1 to 5 As shown, on the basis of the above embodiment, the extension drive mechanism 100 also includes a mounting seat 140, the elastic energy storage member 110 is installed in the mounting seat 140, a portion of the drive shaft 120 is passed through the mounting seat 140, one end of the elastic energy storage member 110 is fixedly connected to the mounting seat 140 and the other end is fixedly connected to the drive shaft 120.

[0033] The mounting seat 140 provides a mounting support base for the elastic energy storage member 110 and the driving shaft 120 , so that one end of the elastic energy storage member 110 can be fixed and the driving shaft 120 can be supported to rotate.

[0034] Based on the above embodiment, the mounting base 140 includes a base frame 141, an outer shell 142 and a top cover 143. The top cover 143 and the base frame 141 are respectively fixedly connected to the top and bottom of the outer shell 142. The driving gear 130 is arranged on the base frame 141, the elastic energy storage member 110 is arranged in the outer shell 142, the top cover 143 is provided with a bearing, and the driving shaft 120 is arranged in the outer shell 142. One end of the driving shaft 120 is connected to the bearing of the top cover 143, and the other end of the driving shaft 120 passes through the base frame 141 and is connected to the driving gear 130.

[0035] The bottom frame 141 is fixed to the bottom of the box body 600 by screws, the driving gear 130 is located in the gap between the bottom frame 141 and the bottom of the box body 600, the bottom of the shell 142 is fixedly connected to the bottom frame 141 by screws, the shell 142 is used to accommodate and protect the elastic energy storage member 110 and the drive shaft 120, one end of the elastic energy storage member 110 is fixedly connected to the shell 142, the drive shaft 120 passes through the elastic energy storage member 110, and the elastic energy storage member 110 can store energy and force inside the shell 142 and provide power for the drive shaft 120 when releasing energy. The top cover 143 is fixed to the top of the shell 142 by screws to seal the shell 142, and a bearing is arranged on the top cover 143, through which the drive shaft 120 can be supported to rotate; preferably, another bearing can be arranged at the bottom of the bottom frame 141 or the shell 142, and the two bearings can jointly support the drive shaft 120 to rotate.

[0036] On the basis of the above embodiment, the base frame 141 is fixedly connected with a damper 150 . The damper 150 has a damping gear 151 . The damping gear 151 is meshed with the driving gear 130 .

[0037] The function of the damper 150 is to slow down the movement speed of the telescopic connector 300 by providing resistance, so that the extension and retraction movement of the table board body 400 is smoother and more controllable. In particular, during the extension process, the damper 150 can apply a damping force to the driving gear 130 to prevent the table board body 400 from popping out quickly, thereby improving safety.

[0038] On the basis of the above-mentioned embodiment, the elastic energy storage member 110 is configured as a spring or a torsion spring.

[0039] The working principles of spring springs and torsion springs are similar. Spring springs are suitable for situations where a larger extension stroke is required. Spring springs can store more energy by winding up. Torsion springs are suitable for designs that require a compact space layout. Torsion springs can provide sufficient torque in a smaller space.

[0040] Taking the spring spring as an example, the spring spring is a spiral spring that is wound around the drive shaft 120; when the telescopic connection 300 moves to the retracted position, the screw rod 200 drives the drive shaft 120 to rotate in the opposite direction, and the spring spring is wound up to store force; when the telescopic connection 300 is in the retracted position and is unlocked, the spring spring gradually unfolds and pushes the drive shaft 120 to rotate, thereby driving the screw rod 200 to rotate.

[0041] like Figures 1 to 3 As shown, based on the above embodiment, the number of screw rods 200 is at least two, the number of threaded sleeves 310 on the telescopic connector 300 is the same as the number of screw rods 200 and is arranged one-to-one, and each threaded sleeve 310 is threadedly connected to each screw rod 200.

[0042] This embodiment adopts a design of at least two screw rods 200, which can significantly improve the stability and load-bearing capacity of the small car table during extension and retraction. This multi-screw rod 200 design ensures that the telescopic connector 300 is more stable during extension and retraction, and can better disperse the load, thereby improving the stability of the table body 400 during movement.

[0043] like Figures 1 to 8 As shown, on the basis of the above embodiment, it also includes a switch mechanism 500, the switch mechanism 500 includes a switch frame 510, a switch rod 520 and a switch spring 530, the switch rod 520 is hinged to the switch frame 510, the switch rod 520 is provided with a switch button 521 and a lock tongue 522, the switch button 521 and the lock tongue 522 are respectively located on both sides of the hinge point of the switch rod 520, the two ends of the switch spring 530 are respectively connected with the switch frame 510 and the switch button 521 to make the switch rod 520 have a movement tendency toward a locked state, and the telescopic connection 300 is provided with a lock groove 320; when the telescopic connection 300 is in the retracted position, the lock tongue 522 buckles the lock groove 320 to limit the movement of the telescopic connection 300, and when the switch button 521 is pressed, the switch rod 520 rotates to allow the lock tongue 522 to separate from the lock groove 320.

[0044] The switch mechanism 500 is used to control the locking and unlocking of the telescopic connection member 300. The switch frame 510 is fixedly arranged in the box body 600. The switch rod 520 is hinged to the switch frame 510 to form a lever structure. The switch button 521 and the lock tongue 522 are respectively located on both sides of the hinge point of the switch rod 520, which means that pressing the switch button 521 can make the lock tongue 522 swing around the hinge point to achieve the unlocking function. The function of the switch spring 530 is to make the switch rod 520 have a movement tendency toward the locked state (that is, the state where the lock tongue 522 buckles the lock groove 320).

[0045] When the telescopic connection member 300 is in the retracted position, the switch rod 520, under the action of the switch spring 530, causes the lock tongue 522 to buckle into the lock groove 320, thereby limiting the movement of the telescopic connection member 300; when the user presses the switch button 521, the switch rod 520 overcomes the elastic force of the switch spring 530 and rotates around the hinge point. As the switch rod 520 rotates, the lock tongue 522 disengages from the lock groove 320, and the telescopic connection member 300 is allowed to move toward the extended position; when the user pushes the table board body 400 back into the vehicle armrest box, the telescopic connection member 300 returns to the retracted position. During this process, the lock tongue 522 on the switch rod 520 will automatically buckle into the lock groove 320 on the telescopic connection member 300 after contacting it. Due to the action of the switch spring 530, the switch rod 520 will be pulled back to the locked state.

[0046] like Figures 1 to 3 , Figures 7 to 10As shown, based on the above embodiment, the table top body 400 includes a connecting base plate 410, a retractable table top 420 and a folding widened plate 430, the end of the connecting base plate 410 is hinged to the retractable connecting member 300, the retractable table top 420 is movably connected to the connecting base plate 410, and the side of the folding widened plate 430 is hinged to the side of the retractable table top 420.

[0047] In this embodiment, the table board body 400 is a retractable and foldable structure, and the connecting base plate 410 is hinged to the retractable connecting member 300, which means that after the table board body 400 is extended out of the box 600, the connecting base plate 410 can be rotated to make the table board body 400 flat; when it needs to be retracted, the connecting base plate 410 can be turned back to a vertical state to facilitate the retraction of the table board body 400 into the box 600. The retractable table board 420 is slidably connected to the connecting base plate 410 through a sliding groove structure, and one of the retractable table board 420 and the connecting base plate 410 is provided with a limiting groove and the other is provided with an elastic protrusion (i.e., a spring ball locator), so the retractable table board 420 can slide on the connecting base plate 410, and the elastic protrusion can be embedded in the limiting groove to limit the movement of the retractable table board 420, thereby adjusting the length of the table board. The sides of the folding widening plate 430 are hinged to the sides of the retractable table top 420. When a larger area is needed, the folding widening plate 430 can be unfolded. When the folding widening plate 430 is not needed, the folding widening plate 430 can be folded on the retractable table top 420 to reduce the occupied space.

[0048] On the basis of the above embodiment, a protective cover 421 is provided at the end of the retractable table 420. When the table body 400 is completely retracted into the box 600, the protective cover 421 just covers the inlet and outlet 610 of the box 600. Such a design ensures that the vehicle armrest box can maintain a neat and beautiful appearance. In addition, the design also eliminates the need to set a movable cover near the inlet and outlet 610 of the vehicle armrest box. After the vehicle small table is retracted, the purpose of covering the inlet and outlet 610 is automatically achieved, which is more convenient to operate.

[0049] like Figures 1 to 10 As shown, on the basis of the above-mentioned embodiment, a vehicle armrest box includes at least one vehicle small table, and also includes a box body 600, an extending driving mechanism 100 is fixed in the box body 600, a screw rod 200 is rotatably installed in the box body 600, and the box body 600 is provided with an inlet and outlet 610 for the table body body 400 to enter and exit, and a protective cover 421 is adapted to the shape and size of the inlet and outlet 610; when the table body 400 is retracted in the box body 600, the protective cover 421 seals the inlet and outlet 610, and the end face of the protective cover 421 is flush with the surface of the box body 600.

[0050] The box body 600 is composed of a box shell and a bracket located in the box shell. The box body 600 is installed in the middle of the two rear seats of the vehicle. The box body 600 is provided with an inlet and outlet 610 for the table board body 400 to enter and exit. The bottom frame 141 of the mounting seat 140 is connected to the bottom of the box body 600 by screws, and the screw rod 200 is vertically arranged in the box body 600. The telescopic connecting member 300 can rise or fall along the screw rod 200. The extension process of the telescopic connecting member 300 is actually the rising process, and the retraction process of the telescopic connecting member 300 is actually the descending process. The table board body 400 can be raised and unfolded or retracted and hidden. When the table board body 400 is completely retracted into the box body 600, the protective cover 421 just seals the inlet and outlet 610 of the box body 600.

[0051] It should be noted that the existing armrest box is generally provided with an openable and closable movable cover to cover the opening. This design not only requires an additional accessory, but is also inconvenient to operate. In this embodiment, the protective cover 421 of the table board body 400 replaces the design of the movable cover. When the table board body 400 is completely hidden in the box body 600, the protective cover 421 just covers the inlet and outlet 610, making the overall structure simple and beautiful. In addition, when the table board body 400 is fully extended, the telescopic connector 300 just blocks the inlet and outlet 610 to prevent debris from entering the box body 600.

[0052] The switch frame 510 is set as a part of the box 600 or fixed in the box 600, and the switch button 521 is located on the surface of the box 600. After the user presses the switch button 521, the switch rod 520 rotates, the lock tongue 522 disengages from the lock slot 320, and the elastic energy storage member 110 drives the screw rod 200 to rotate through the drive shaft 120. The telescopic connection member 300 drives the table board body 400 to rise and extend from the entrance 610 to the inside of the box 600. Then the user can turn over the connecting base plate 410 to make it flat, and then adjust the position of the telescopic table board 420 as needed, and unfold the folding widening plate 430 to increase the desktop area. When the car small table needs to be hidden, the table board body 400 can be folded and reset, and then the table board body 400 can be manually pressed back into the box 600.

[0053] In the example, the vehicle armrest box is provided with two vehicle small tables, which are designed in a mirror-symmetrical manner and are used by passengers in the left and right seats in the back row.

[0054] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0055] In addition, in the present invention, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0058] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A small table for a vehicle, characterized in that: include: An extension drive mechanism (100), the extension drive mechanism (100) comprising an elastic energy storage member (110), a drive shaft (120) and a drive gear (130), the drive shaft (120) being connected to the elastic energy storage member (110), and the drive gear (130) being circumferentially fixedly connected to the drive shaft (120); A screw rod (200), wherein the screw rod (200) is provided with a transmission gear (210), wherein the transmission gear (210) is circumferentially fixedly connected to the screw rod (200), and wherein the transmission gear (210) is meshed with the driving gear (130) so that when the driving shaft (120) rotates, the screw rod (200) is driven to rotate; A telescopic connecting piece (300), wherein the telescopic connecting piece (300) is provided with a threaded sleeve (310), wherein the threaded sleeve (310) is threadedly connected to the screw rod (200), and when the screw rod (200) rotates, the telescopic connecting piece (300) is driven to move along the axial direction of the screw rod (200); A table top body (400), wherein the table top body (400) is mounted on the telescopic connector (300); The travel position of the telescopic connection member (300) comprises a retracted position and an extended position; when the telescopic connection member (300) is located at the retracted position, the elastic energy storage member (110) is in a force storage state; when the elastic energy storage member (110) is in the force storage state, the telescopic connection member (300) has a tendency to move toward the extended position.

2. The vehicle tray table according to claim 1, characterized in that: The extension drive mechanism (100) further comprises a mounting seat (140), the elastic energy storage member (110) being mounted in the mounting seat (140), a portion of the drive shaft (120) being inserted into the mounting seat (140), one end of the elastic energy storage member (110) being fixedly connected to the mounting seat (140) and the other end being fixedly connected to the drive shaft (120).

3. The vehicle table as claimed in claim 2, characterized in that: The mounting seat (140) comprises a base frame (141), an outer shell (142) and a top cover (143); the top cover (143) and the base frame (141) are fixedly connected to the top and bottom of the outer shell (142) respectively; the driving gear (130) is arranged on the base frame (141); the elastic energy storage member (110) is arranged in the outer shell (142); the top cover (143) is provided with a bearing; the driving shaft (120) is arranged in the outer shell (142); one end of the driving shaft (120) is connected to the bearing of the top cover (143); and the other end of the driving shaft (120) passes through the base frame (141) and is connected to the driving gear (130).

4. The vehicle tray table according to claim 3, characterized in that: The base frame (141) is fixedly connected with a damper (150), and the damper (150) has a damping gear (151), and the damping gear (151) is meshed with the driving gear (130).

5. The vehicle tray table according to claim 1, characterized in that: The elastic energy storage member (110) is configured as a spring or a torsion spring.

6. The vehicle tray table according to claim 1, characterized in that: The number of the screw rods (200) is at least two, the number of the threaded sleeves (310) on the telescopic connecting member (300) is the same as the number of the screw rods (200) and they are arranged in one-to-one correspondence, and each threaded sleeve (310) is respectively threadedly connected to each screw rod (200).

7. The vehicle tray table according to claim 1, characterized in that: The invention also comprises a switch mechanism (500), wherein the switch mechanism (500) comprises a switch frame (510), a switch rod (520) and a switch spring (530), wherein the switch rod (520) is hinged to the switch frame (510), and the switch rod (520) is provided with a switch button (521) and a lock tongue (522), wherein the switch button (521) and the lock tongue (522) are respectively located on both sides of a hinge point of the switch rod (520), and the two ends of the switch spring (530) are respectively connected to the switch frame (510). ) and the switch button (521) are in abutting connection so that the switch rod (520) has a movement tendency toward a locked state, and the telescopic connection member (300) is provided with a locking groove (320); when the telescopic connection member (300) is located at the retracted position, the locking tongue (522) buckles the locking groove (320) to limit the movement of the telescopic connection member (300), and when the switch button (521) is pressed, the switch rod (520) rotates to allow the locking tongue (522) to separate from the locking groove (320).

8. The vehicle tray table according to claim 1, characterized in that: The table top body (400) includes a connecting base plate (410), a retractable table top (420) and a folding widened plate (430), the end of the connecting base plate (410) is hinged to the retractable connecting member (300), the retractable table top (420) is movably connected to the connecting base plate (410), and the side of the folding widened plate (430) is hinged to the side of the retractable table top (420).

9. The vehicle tray table according to claim 8, characterized in that: A protective cover (421) is provided at the end of the retractable table top (420).

10. A vehicle armrest box, characterized in that: It comprises at least one vehicle table as described in any one of claims 1 to 9, and also comprises a box (600), wherein an extension drive mechanism (100) is fixed in the box (600), a screw rod (200) is rotatably installed in the box (600), and the box (600) is provided with an inlet and outlet (610) for a table body (400) to enter and exit, and a protective cover (421) is adapted in shape and size to the inlet and outlet (610); when the table body (400) is retracted in the box (600), the protective cover (421) seals the inlet and outlet (610), and the end face of the protective cover (421) is flush with the surface of the box (600).

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