An automatic concealment armrest seat and a method for automatically concealing an armrest of a seat

Abstract

The application provides an automatic hidden armrest seat, which comprises a seat frame, an armrest connected with the seat frame through a connecting shaft, one end of the connecting shaft being arranged in the seat frame through a side wall of the seat frame and the other end of the connecting shaft being connected with an inner side of the armrest, the armrest rotating synchronously with the connecting shaft, a driving motor installed on the seat frame, an output shaft of the driving motor being used for connecting a transmission assembly, the transmission assembly being connected with the connecting shaft, the transmission assembly being used for transmitting power of the driving motor to the connecting shaft to rotate, and the connecting shaft driving the armrest to hide or stand up. The technical scheme of the application has at least the following beneficial effects: the driving motor is used for driving the transmission assembly to drive the connecting shaft and the armrest to move, the hiding and resetting of the armrest are controlled, manual adjustment of the armrest is not needed, the armrest is reset, use is more convenient, a weight sensing device is arranged on the seat, whether a passenger is on the seat is sensed, and automatic adaptation to the use of the passenger is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of seats, in particular to an automatic hidden armrest seat and a method for automatically hiding an armrest of a seat. BACKGROUND

[0002] The armrest of a car seat is used to restrict passengers on the car seat when the vehicle is running, so as to prevent the passengers from falling off the seat; when the passengers need to get off the seat, the armrest needs to be folded or retracted to facilitate the movement of the passengers.

[0003] The existing armrest of a car seat is often manually adjusted, which brings inconvenience to the user in actual use because the passengers need to manually adjust after turning back and twisting their bodies after sitting down. Moreover, the armrest cannot be automatically reset when no one is sitting, which occupies space, affects the rear view, and is inconvenient for transportation. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present application is to provide an automatic hidden armrest seat and a method for automatically hiding an armrest of a seat, which solves the problem that the armrest cannot be automatically reset, occupies space, and affects the rear view in the prior art.

[0005] To achieve the above-mentioned purpose and other related purposes, the present application provides an automatic hidden armrest seat, which comprises:

[0006] a seat frame;

[0007] an armrest connected with the seat frame through a connecting shaft, one end of the connecting shaft being arranged inside the seat frame through a side wall of the seat frame, the other end of the connecting shaft being connected with an inner side of the armrest, the armrest rotating synchronously with the connecting shaft;

[0008] a driving motor mounted on the seat frame, an output shaft of the driving motor being used to connect a transmission assembly, the transmission assembly being connected with the connecting shaft, the transmission assembly being used to transmit power of the driving motor to the connecting shaft to rotate, the connecting shaft driving the armrest to hide or stand up.

[0009] Optionally, the transmission assembly comprises a driving gear, a driven gear and a sleeve, the driving gear being sleeved on the output shaft, the output shaft being arranged perpendicularly to the side wall of the seat frame, the sleeve being arranged inside the seat frame, the sleeve being arranged in parallel with the output shaft, an installation cylinder being arranged on a side of the driven gear, the installation cylinder being coaxial with the driven gear, the installation cylinder being sleeved on the sleeve, the driving gear being matched with the driven gear, the driving gear driving the driven gear to rotate, an inner ring of the driven gear being matched and connected with the connecting shaft, the driven gear driving the connecting shaft to rotate.

[0010] Optionally, the transmission assembly comprises a driving gear, a driven gear, a sleeve and a transmission belt, the driving gear is sleeved on the output shaft, the output shaft is arranged perpendicularly to the side wall of the seat frame, the sleeve is arranged inside the seat frame, the sleeve is arranged in parallel to the output shaft, the driven gear is arranged on the sleeve, the transmission belt is sleeved on the driving gear and the driven gear, the driving gear drives the driven gear to rotate through the transmission belt, the inner ring of the driven gear cooperates with the connecting shaft, and the driven gear drives the connecting shaft to rotate.

[0011] Optionally, the connecting shaft is provided with a spiral groove, one end of an adjusting rod is connected to the inner ring of the driven gear, and the other end of the adjusting rod is arranged in the spiral groove, and the adjusting rod drives the connecting shaft to perform telescopic movement relative to the seat frame.

[0012] Optionally, the connecting shaft is provided with a limiting rod, and the limiting rod cooperates with the sleeve to realize limiting.

[0013] Optionally, the seat frame comprises a backrest frame and a seat frame, the backrest frame and the seat frame are hinged, and the backrest frame and the seat frame are hinged to be provided with an adjuster, and the adjuster is used for adjusting the angle between the backrest frame and the seat frame.

[0014] Optionally, the seat frame is provided with an elastic net, and the backrest frame is also provided with an elastic net.

[0015] Optionally, a slide rail assembly is arranged below the seat frame, and the slide rail assembly comprises a guide slide rail and a sliding wheel, the guide slide rail is provided with the sliding wheel, the sliding wheel is arranged at the bottom of the seat frame, and the sliding wheel drives the seat frame to slide on the guide slide rail.

[0016] Optionally, the seat frame is provided with a weight sensing device for detecting whether a passenger is seated on the seat.

[0017] A method for automatically hiding an armrest of a seat comprises the following steps:

[0018] detecting whether a passenger is seated on the seat, if a passenger is detected to be seated on the seat, a driving motor is started to rotate in a forward direction, so that the armrest is extended and unfolded;

[0019] if a passenger is detected to leave the seat, the driving motor is started to rotate in a reverse direction, so that the armrest is retracted and hidden.

[0020] As described above, the technical scheme in the present application has at least the following beneficial effects: the driving motor drives the transmission device to drive the connecting shaft and the armrest to move, so as to control the hiding and resetting of the armrest, without manual adjustment of the armrest, and the use is more convenient.

[0021] The weight sensing device is arranged on the seat, which can sense whether a passenger is seated, realizes automatic adaptation to passenger use, improves comfort and intelligence, and when the armrest is reset, the connecting shaft is retracted into the interior of the seat frame under the cooperation of the adjusting rod and the spiral groove, the appearance surface and the backrest surface are attached to form an integral whole, the overall modeling of the seat is improved, and the aisle space is saved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A schematic diagram of an armrest hidden structure of a seat according to an exemplary embodiment of the present application;

[0023] Figure 2 A schematic diagram of an armrest extended structure of a seat according to an exemplary embodiment of the present application; Figure 1 A zoomed-in schematic diagram of A;

[0024] Figure 3 A schematic diagram of an armrest extended structure of a seat according to an exemplary embodiment of the present application;

[0025] Figure 4 A zoomed-in schematic diagram of B; Figure 3

[0026] Figure 5 A schematic diagram of an armrest structure according to an exemplary embodiment of the present application;

[0027] Figure 6 A schematic diagram of a driven gear structure according to an exemplary embodiment of the present application.

[0028] PART NUMBER EXPLANATION

[0029] 1, seat frame; 2, armrest; 3, connecting shaft; 4, driving motor; 5, driving gear; 6, driven gear; 7, sleeve; 8, spiral groove; 9, adjusting rod; 10, limiting rod; 11, elastic net; 12, slide rail assembly; 13, weight sensing device; 101, backrest frame; 102, seat frame; 121, guide slide rail; 122, sliding wheel. DETAILED DESCRIPTION

[0030] The embodiments of the present application will be described in detail by specific, concrete examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. The present application can also be implemented or applied by different specific embodiments, and the details in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application.

[0031] ​It is to be understood that the figures provided in the following embodiments only schematically illustrate the basic concept of the present application, and only the components related to the present application are shown in the figures, rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, number and proportion of each component in actual implementation can be arbitrarily changed, and the component layout type can also be more complex.

[0032] Please refer to Figures 1 to 6 The present application provides an automatic hidden armrest seat, comprising:

[0033] A seat frame 1;

[0034] An armrest 2 connected with the seat frame 1 through a connecting shaft 3, one end of the connecting shaft 3 being arranged inside the seat frame 1 through a through hole in the side wall of the seat frame 1, the other end of the connecting shaft 3 being connected with the inner side of the armrest 2, the armrest 2 rotating synchronously with the connecting shaft 3;

[0035] A driving motor 4 mounted on the seat frame 1, an output shaft of the driving motor 4 being used to connect a transmission assembly, the transmission assembly being connected with the connecting shaft 3, the transmission assembly being used to transmit power of the driving motor 4 to the connecting shaft 3 to rotate, the connecting shaft 3 driving the armrest 2 to hide or stand up.

[0036] In one embodiment of the present application, specifically, a seat frame 1 is arranged, a through hole is arranged in the side of the seat frame 1, a connecting shaft 3 is arranged in the through hole, a first end of the connecting shaft 3 is arranged outside the seat frame 1 and is a free end, a second end of the connecting shaft 3 is arranged inside the seat frame 1, the first end of the connecting shaft 3 is connected with the side of the armrest 2, a driving motor 4 is further arranged in the side wall of the seat frame 1, an output shaft of the driving motor 4 is connected with a transmission assembly, the transmission assembly is further connected with the connecting shaft 3, the driving motor 4 drives the connecting shaft 3 to rotate through the transmission assembly, the connecting shaft 3 drives the armrest 2 to rotate through rotation, and the hiding or standing up of the armrest 2 is realized.

[0037] The transmission assembly comprises a driving gear 5, a driven gear 6 and a sleeve 7, the driving gear 5 being sleeved on the output shaft, the output shaft being arranged perpendicularly to the side wall of the seat frame 1, the sleeve 7 being arranged inside the seat frame 1, the sleeve 7 being arranged in parallel with the output shaft, an installation cylinder being arranged in the side of the driven gear 6, the installation cylinder being coaxial with the driven gear 6, the installation cylinder being sleeved on the sleeve 7, the driving gear 5 being matched with the driven gear 6, the driving gear 5 driving the driven gear 6 to rotate, an inner ring of the driven gear 6 being matched and connected with the connecting shaft 3, the driven gear 6 driving the connecting shaft 3 to rotate.

[0038] In one embodiment of the present application, specifically, the transmission assembly comprises a driving gear 5, a driven gear 6 and a sleeve 7, the driving gear 5 is sleeved on the output shaft of the driving motor 4, the driving gear 5 rotates synchronously with the output shaft, the driving motor 4 is arranged below the through hole, the sleeve 7 is arranged on the through hole, the sleeve 7 covers the outer ring of the through hole, one end of the sleeve 7 is fixedly connected with the inner side wall of the seat frame 1, the other end of the sleeve 7 is a free end, the sleeve 7 and the output shaft are arranged in parallel, the driven gear 6 is arranged on the sleeve 7, the side of the driven gear 6 is fixedly connected with the mounting cylinder, and the driven gear 6 and the mounting cylinder are coaxial, the mounting cylinder is sleeved on the sleeve 7, and the sleeve 7 and the mounting cylinder can rotate relative to each other, the connecting shaft 3 penetrates the inside of the sleeve 7, and the connecting shaft 3 penetrates out of the two ends of the sleeve 7, the driving gear 5 and the driven gear 6 are matched, the driving gear 5 drives the driven gear 6 to rotate, the driven gear 6 is also sleeved on the connecting shaft 3, the inner ring of the driven gear 6 is matched with the connecting shaft 3, and the driven gear 6 drives the connecting shaft 3 to rotate.

[0039] The transmission assembly comprises a driving gear 5, a driven gear 6, a sleeve 7 and a transmission belt, the driving gear 5 is sleeved on the output shaft, the output shaft is arranged perpendicularly to the side wall of the seat frame 1, the sleeve 7 is arranged inside the seat frame 1, the sleeve 7 is arranged in parallel to the output shaft, the driven gear 6 is arranged on the sleeve 7, the transmission belt is sleeved on the driving gear 5 and the driven gear 6, the driving gear 5 drives the driven gear 6 to rotate through the transmission belt, the inner ring of the driven gear 6 is matched with the connecting shaft 3, and the driven gear 6 drives the connecting shaft 3 to rotate.

[0040] In one embodiment of the present application, specifically, the transmission assembly comprises a driving gear 5, a driven gear 6, a sleeve 7 and a transmission belt, and the difference from the above embodiment is that the driving gear 5 and the driven gear 6 are connected through the transmission belt, and the driving gear 5 drives the driven gear 6 to rotate through the transmission belt.

[0041] Please refer to Figure 5 and Figure 6 ; the connecting shaft 3 is provided with a spiral groove 8, the inner ring of the driven gear 6 is connected with one end of an adjusting rod 9, the other end of the adjusting rod 9 is arranged in the spiral groove 8, and the adjusting rod 9 drives the connecting shaft 3 to make extension and retraction relative to the seat frame 1.

[0042] In one embodiment of the present application, specifically, a helical groove 8 is formed on the connecting shaft 3, the helical groove 8 is arranged at one end of the connecting shaft 3 arranged in the seat frame 1, an inner ring of the driven gear 6 is provided with an adjusting rod 9, one end of the adjusting rod 9 is fixedly connected with the inner ring of the driven gear 6, the other end of the adjusting rod 9 is arranged in the helical groove 8, when the driving motor 4 rotates in the forward direction, the driven gear 6 is reversely rotated, the driven gear 6 reversely rotates to reversely rotate the adjusting rod 9, the adjusting rod 9 moves in the helical groove 8, because the position of the driven gear 6 is fixed and only rotates, so that the connecting shaft 3 rotates to lift the armrest 2 at the same time, and performs an outward stretching movement; when the driving motor 4 reverses, the driven gear 6 rotates in the forward direction, the driven gear 6 rotates in the forward direction to rotate the adjusting rod 9 in the forward direction, the adjusting rod 9 moves in the helical groove 8 to drive the connecting shaft 3 to hide the armrest 2 at the same time, and performs an inward contraction movement.

[0043] The connecting shaft 3 is provided with a limiting rod 10, the limiting rod 10 cooperates with the sleeve 7 to realize limiting.

[0044] In one embodiment of the present application, specifically, a limiting rod 10 is arranged on the connecting shaft 3, the limiting rod 10 is located inside the sleeve 7, if the driving motor 4 rotates excessively, causing the connecting shaft 3 to slide out of the through hole, the limiting rod 10 plays a limiting role.

[0045] The seat frame 1 includes a backrest frame 101 and a seat frame 102, the backrest frame 101 and the seat frame 102 are hinged, and the backrest frame 101 and the seat frame 102 are hinged to be provided with an adjuster, the adjuster is used to adjust the angle between the backrest frame 101 and the seat frame 102.

[0046] The seat frame 102 is provided with an elastic net 11, and the backrest frame 101 is also provided with an elastic net 11.

[0047] A slide rail assembly 12 is arranged below the seat frame 102, the slide rail assembly 12 includes a guide rail 121 and a sliding wheel 122, the guide rail 121 is provided with the sliding wheel 122, the sliding wheel 122 is arranged at the bottom of the seat frame 102, and the sliding wheel 122 drives the seat frame 102 to slide on the guide rail 121.

[0048] The seat frame 102 is provided with a weight sensing device 13 for detecting whether a passenger is seated on the seat.

[0049] In one embodiment of the present application, specifically, the weight sensing device 13 is selected as an SBR pressure sensor (SBR stands for Safety Belt Reminder, which is a system for reminding the driver and front seat passenger when they do not use the safety belt. The system is composed of a sensor for detecting the non-use of the safety belt and a two-stage signal for reminding the driver (the first stage is a visual signal, and the second stage is a visual and audible signal). It is generally recognized that the correct use of the safety belt is the most effective protection measure for the passengers in a traffic accident. Surveys show that most passengers who do not use the safety belt can use the safety belt when properly reminded. The safety belt reminder (SBR) is used to remind these passengers to use the safety belt. When the seat is occupied and the weight exceeds the set value (generally 15 kg), the SBR pressure sensor is in the occupied state, triggering the drive motor 4 to drive the armrest 2 to press downward to the use state. When the passenger leaves the seat, the SBR pressure sensor is in the non-occupied state, triggering the drive motor 4 to drive the armrest 2 to reset.

[0050] The present application also provides a method for automatically hiding the armrest 2 of the seat, comprising:

[0051] detecting whether there is a passenger on the seat, if a passenger is detected on the seat, starting the drive motor 4 to rotate forward to extend the armrest 2;

[0052] if it is detected that the passenger has left the seat, starting the motor to rotate in reverse to retract the armrest 2.

[0053] The above embodiments are only illustrative of the principles and effects of the present application, and are not intended to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical idea disclosed by the present application should be covered by the claims of the present application.

Claims

1. A seat with automatically retractable armrests, characterized in that, include: Seat frame; The armrest is connected to the seat frame via a connecting shaft. One end of the connecting shaft passes through the side wall of the seat frame and is located inside the seat frame. The other end of the connecting shaft is connected to the inner side of the armrest. The armrest and the connecting shaft rotate synchronously. A drive motor is mounted on the seat frame. The output shaft of the drive motor is used to connect to a transmission assembly. The transmission assembly is connected to the connecting shaft. The transmission assembly is used to transmit the power of the drive motor to the connecting shaft for rotation. The connecting shaft drives the armrest to be hidden or raised. The transmission assembly includes a drive gear, a driven gear, and a sleeve. The drive gear is sleeved on the output shaft, which is perpendicular to the side wall of the seat frame. The sleeve is disposed inside the seat frame and is parallel to the output shaft. A mounting sleeve is disposed on the side of the driven gear, and the mounting sleeve is coaxial with the driven gear. The mounting sleeve is sleeved on the sleeve. The drive gear and the driven gear cooperate, and the drive gear drives the driven gear to rotate. The inner ring of the driven gear is connected to the connecting shaft, and the driven gear drives the connecting shaft to rotate. The connecting shaft is provided with a spiral groove. The inner ring of the driven gear is connected to one end of the adjusting rod, and the other end of the adjusting rod is disposed in the spiral groove. The adjusting rod drives the connecting shaft to perform telescopic movement relative to the seat frame.

2. The automatic retractable armrest seat according to claim 1, characterized in that: The connecting shaft is provided with a limiting rod, which cooperates with the sleeve to achieve limiting.

3. The automatic retractable armrest seat according to claim 2, characterized in that: The seat frame includes a backrest frame and a seat frame, the backrest frame and the seat frame are hinged together, and an adjuster is provided at the hinge point between the backrest frame and the seat frame, the adjuster being used to adjust the angle between the backrest frame and the seat frame.

4. The automatic retractable armrest seat according to claim 3, characterized in that: The seat frame is provided with an elastic net, and the backrest frame is also provided with an elastic net.

5. The automatically retractable armrest seat according to claim 4, characterized in that, The seat also includes: A slide rail assembly for adjusting the position of the seat is disposed directly below the seat frame. The slide rail assembly includes a guide rail and a sliding wheel. The guide rail is provided with the sliding wheel, which is disposed at the bottom of the seat frame. The sliding wheel drives the seat frame to slide on the guide rail.

6. The automatic retractable armrest seat according to claim 3, characterized in that: The seat frame is equipped with a weight sensor to detect whether a passenger has sat in the seat.

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