CN116001663A - Adjustable automobile back row seat - Google Patents

Abstract

The invention belongs to the field of automobile manufacturing, and in particular relates to an adjustable automobile rear seat, which comprises: the seat headrest is rotationally connected with the seat backrest through the first rotating device; the seat back is rotatably connected with the seat cushion through the second rotating device; the transmission device is arranged between the first rotating device and the second rotating device, and is assembled to drive the seat headrest to turn over a preset angle relative to the seat backrest when the seat backrest is placed forwards, so that the distance of the seat headrest protruding forwards is shortened. According to the invention, through the transmission structure, when the seat backrest is put down, the seat headrest is synchronously turned and folded, so that the traditional seat headrest can be folded and stored while keeping comfortable experience, space resources are saved, and the operation is more convenient.

Description

An adjustable car rear seat

technical field

The invention belongs to the field of automobile manufacturing, and in particular relates to an adjustable rear seat of an automobile.

Background technique

Currently on the market, there are mainly two types of headrests for car seats, one is a fixed integrated type, the seat back and the headrest are integrated, and the headrest cannot move up and down. The other is a split type, the seat back and the headrest are connected by two metal rods, and the headrest can be adjusted or removed according to the height of the occupant to obtain a better riding experience.

In order to save space in the rear of the car, most car manufacturers design the headrest as an inverted L shape to facilitate lowering down without taking up too much space, so that it saves space when the backrests of the rear seats are folded forward. But at the same time with respect to above-mentioned two kinds of seat head restraints, sacrifice certain riding comfort.

Contents of the invention

In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a rear seat of a car, which can be turned over and folded when the seat is down, so as to save space in the rear seat of the car.

In order to achieve the above object and other related objects, the present invention provides an adjustable car rear seat, comprising: a seat headrest, a seat back, a seat cushion and a first rotating device, and the seat headrest passes through The first rotating device is rotatably connected with the seat back; the second rotating device is rotatably connected with the seat cushion through the second rotating device; the transmission device is arranged on the first between the rotating device and the second rotating device, and the transmission device is assembled so that when the seat back is folded forward, the transmission device can drive the seat headrest relative to the seat The backrest is turned over at a preset angle to shorten the forward protruding distance of the seat headrest.

According to a specific embodiment of the present invention, the first rotating device includes: a first rotating shaft fixedly connected with the seat headrest; a first sleeve installed on the top of the seat back, and the first The sleeve is arranged to rotate with the first rotating shaft.

According to a specific embodiment of the present invention, the second rotating device includes: a second rotating shaft fixedly connected with the seat cushion; a second sleeve installed at the bottom of the seat back, and the second sleeve The cylinder is arranged to rotate with the second rotating shaft; the driving source is used to drive the second rotating shaft to rotate.

According to a specific embodiment of the present invention, the transmission mechanism is a transmission belt, and a first pulley and a second pulley are respectively provided on the first rotation shaft and the second rotation shaft; wherein, the transmission belts are respectively Set on the first pulley and the second pulley.

According to a specific embodiment of the present invention, the first rotating device and the second rotating device are respectively provided with a first locking mechanism and a second locking mechanism, so that the seat headrest, seat back and seat The seat cushion remains locked when in use. The transmission mechanism can also be connected by a rigid device, and a fixing device is respectively arranged on the first rotating shaft and the second rotating shaft, and the fixing device realizes the connection between the first rotating shaft and the second rotating shaft by changing the position fixed with the rigid device. The distance changes to achieve the transmission effect.

According to a specific embodiment of the present invention, both the first locking mechanism and the second locking mechanism adopt a ratchet mechanism, and the ratchet mechanism includes: a ratchet fixed on the first rotating shaft/second rotating shaft side, the ratchet is set to rotate synchronously with the first rotating shaft/second rotating shaft; the pawl is installed on the first sleeve/second sleeve, and the pawl is engaged with the ratchet .

According to a specific embodiment of the present invention, a vertical lifting mechanism is further provided between the first sleeve and the seat back.

According to a specific embodiment of the present invention, the vertical lifting mechanism includes: slide rails, arranged on the seat back along the height direction of the seat back; a metal rod, one end of which is fixedly connected with the first sleeve, The other end is slidingly matched with the slide rail; the locking piece is arranged on the slide rail and is used to lock the sliding state of the metal rod.

According to a specific embodiment of the present invention, a connecting rod is further provided between the first rotating device and the seat headrest; wherein, one end of the connecting rod is fixedly connected to the seat headrest, and the other end is connected to the seat headrest. The first rotating shaft is fixedly connected.

According to a specific embodiment of the present invention, the connecting rod is a curved rod.

The technical effect of the present invention is that, by flipping and folding the seat headrest, the traditional seat headrest can be flipped and folded while maintaining a comfortable experience, saving space resources. At the same time, through the transmission structure, when the seat back is down, the seat headrest is turned over synchronously, which saves the operation steps of folding and storing the rear seats of the car, and is more convenient. The car rear seat of the present invention can control the folding of the seat back and the folding of the seat headrest by manual or electric mode, and realizes the space occupation problem of the headrest after the rear seat backrest is laid down forward, for The front seats have a larger movable space, which improves the ride comfort of the front passengers. Similarly, the rear seat headrests with a larger area are used to ensure the comfort of the rear seats during normal riding, and the device has a simple structure and low cost, and is suitable for large-scale production.

Description of drawings

Fig. 1 is a structural schematic diagram of a specific embodiment of an adjustable car rear seat provided by the present invention;

Fig. 2 is a structural schematic diagram of another specific embodiment of an adjustable rear seat of a car provided by the present invention.

In the figure: a seat headrest 10 , a seat back 20 , a first rotating device 30 , a second rotating device 40 , a transmission mechanism 50 , and a connecting rod 60 .

Detailed ways

Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and number of components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implementation, and the component layout type may also be more complicated.

First of all, it needs to be explained that when the rear seats of the car are down, the large volume of the seat backrest will cause a certain impact. Therefore, the car manufacturer designs the seat headrest as an L shape, so that the rear seats of the car can be folded down. But also sacrificed the comfort of the seat headrest simultaneously, so the prior art is improved.

Please refer to Figure 1-2, an adjustable car rear seat, including: seat headrest, using a larger area of independent headrest, to better improve the safety of the rear seat headrest when in use comfort. Seat backs and seat cushions, consistent with most rear seats. A first rotating device, the seat headrest is rotationally connected with the seat back through the first rotating device. A second rotating device, the seat back is rotationally connected with the seat cushion through the second rotating device. The transmission device is arranged between the first rotation device and the second rotation device, and the transmission device is assembled to make the seat back turn and fold synchronously when the seat back is folded forward, so as to Shorten the distance the seat headrest protrudes forward. Through the transmission device, the first rotating device and the second rotating device can operate synchronously. When the seat back is down, the seat headrest is turned over synchronously; when the seat back is restored to the use state , the seat headrest is also synchronously restored to its original position, avoiding the need to separately control the first rotating device and the second rotating device to turn the seat backrest and seat back, reducing the operating steps of the device and making it easier .

Specifically, in application, the first rotating device includes: a first rotating shaft fixedly connected with the seat headrest, so as to drive the seat headrest to turn over in a specified direction. The first sleeve is installed on the top of the seat back and is rotatably engaged with the first rotating shaft. The second rotating device includes: a second rotating shaft fixedly connected with the seat cushion. The second sleeve is installed on the bottom of the seat back, and is rotatably engaged with the second rotating shaft to drive the seat back down relative to the seat cushion. The driving source is used to drive the second rotating shaft to rotate.

In a specific embodiment, the driving source may be set as a manual knob, and the user can tilt the seat back down by turning the knob. Further, the drive source can also be a motor, and the motor is connected with a control module, which can drive the motor to work through the control command sent by the vehicle terminal, so as to complete the reclining of the seat back, saving time and effort, and more convenient .

Further, two motors can be used to drive the first rotating device and the second rotating device to operate respectively. At the same time, the movements of the two devices are interrelated and cannot be moved independently. Therefore, it is necessary to calibrate the two, and no The problem that the movement angle is too large. Specifically, after the user performs a corresponding operation through the trigger terminal, the corresponding action signal is transmitted to the vehicle-mounted terminal, and the vehicle-mounted terminal generates a corresponding movement command of the seat back and sends it to the first rotating device and the second rotating device at the same time. The device performs operations according to the instructions, and completes the reclining of the seat back and the folding of the seat headrest.

In a specific embodiment, the transmission structure may be a transmission belt, the first rotation shaft and the second rotation shaft are respectively provided with a first pulley and a second pulley, and the transmission belts are respectively sleeved on the on the first pulley and the second pulley, so that the first rotating shaft and the second rotating shaft rotate synchronously. Further, the way of fitting the transmission belt can be replaced according to actual needs, so that the seat headrest can be turned forward or backward. Specifically, the transmission belt is elliptical to fix the first rotating shaft and the second rotating shaft, and when the seat back is laid down, the seat headrest is turned forward and folded. The transmission belt fixes the first rotating shaft and the second rotating shaft in a figure-eight shape, and when the seat back is laid down, the seat headrest is reversed and folded. In fact, choose the flip direction of the seat headrest according to the cabin space in the rear row of the car.

Further, the transmission structure is not limited to the transmission belt provided in the embodiment of the present application, and may also be a chain, a steel wire, and the like. The transmission mechanism can also be connected by a rigid device, the first rotating shaft and the second rotating shaft are provided with fixing devices respectively, and the fixing device realizes the connection between the first rotating shaft and the second rotating shaft by changing the position fixed with the rigid device. Distance changes, such as transmission rods or mechanical gears. The specific purpose is to enable the first rotating device and the second rotating device to operate synchronously through the transmission mechanism, without separately controlling the first rotating device and the second rotating device to realize the reclining of the seat back and the folding of the seat headrest, Actually choose different transmission modes according to the structure of the seat.

In a specific embodiment, the first rotating device and the second rotating device are respectively provided with a first locking mechanism and a second locking mechanism, when the seat headrest, seat back and seat cushion Stays locked while in use. Furthermore, the seat back can also be kept locked when it is folded down to any angle, so as to meet a variety of different scene requirements. Wherein, the first locking structure/second locking mechanism may adopt a ratchet mechanism, and the locking of the device is realized through cooperation of two ratchets with the ratchet. Wherein the ratchet is fixed on one side of the first rotating shaft/second rotating shaft, and is set to rotate synchronously with the first rotating shaft/second rotating shaft, and the two ratchets are respectively movably arranged on the first sleeve and the second rotating shaft. The inside of the second sleeve is engaged with the ratchet. When the seat back is falling down, one of the ratchets is engaged with the ratchet wheel, so that the seat back can only be folded forward and rotated at this moment. When the state of the seat back needs to be locked, the two ratchets are engaged with the ratchet to complete the locking, so that the seat back can be folded down to any angle. When the seat back needs to be returned to its original position, the two pawls are far away from the ratchet, so that the seat back can rotate freely at this time, or the other pawl is kept in engagement with the ratchet, so that the seat back can rotate freely. At this time, it can only be returned to the original position to rotate backwards, so as to avoid slipping during rotation.

In a specific embodiment, the first rotating device and the seat back are still equipped with a vertical lifting mechanism, so that the height of the seat headrest can be adjusted to accommodate more users and obtain a better headrest. Support height. Specifically, the vertical lifting mechanism includes: slide rails, arranged along the height direction of the seat back, can be arranged inside the seat back, or outside the seat back, depending on the structure of the seat choose. One end of the metal rod is fixedly connected with the first sleeve, and the other end is slidingly matched with the slide rail. Thereby, the height adjustment of the seat headrest is realized. Wherein, the slide rail is provided with a locking piece, which is used to lock the sliding state of the metal rod and keep it fixed at any height. The locking member may be formed as a spring pin, and a corresponding groove is formed on the metal rod. When the metal rod slides along the slide rail, the spring pin is inserted into the groove to lock the metal rod, and the spring pin is retracted by a switch. , to continue height adjustment.

In a specific embodiment, a connecting rod is provided between the first rotating shaft and the seat headrest, one end of the connecting rod is fixed on the seat headrest, and the other end is connected to the first rotating shaft. Fixed connection. Wherein, the connecting rod is formed as a curved rod. Specifically, during the flipping and folding process of the seat headrest, due to the extrusion between the seat headrest and the seat back, the flipping angle is limited to a certain extent, resulting in poor folding effect and low space utilization. The distance between the headrest of the seat and the backrest of the seat is extended by the connecting rod, and the relative rotation angle between the headrest of the seat and the backrest of the seat is larger by the curved rod at the same time, which saves space better and is more beautiful. Further, when the seat back is completely down through the connecting rod, the angle between the seat headrest and the seat back can be kept as small as possible, or even kept in a parallel state, which greatly saves space resources.

To sum up, the technical effect of the present invention is that by flipping and folding the seat headrest, the traditional seat headrest can be flipped and folded while maintaining a comfortable experience, saving space resources. At the same time, through the transmission structure, when the seat back is down, the seat headrest is turned over synchronously, which saves the operation steps of folding and storing the rear seats of the car, and is more convenient. The car rear seat of the present invention can control the folding of the seat back and the folding of the seat headrest by manual or electric mode, and realizes the space occupation problem of the headrest after the rear seat backrest is laid down forward, for The front seats have a larger movable space, which improves the ride comfort of the front passengers. Similarly, the rear seat headrests with a larger area are used to ensure the comfort of the rear seats during normal riding, and the device has a simple structure and low cost, and is suitable for large-scale production.

The above-mentioned embodiments only illustrate the principles and effects of the present invention, but are not intended to limit the present invention. Anyone skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical ideas disclosed in the present invention should still be covered by the claims of the present invention.

In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. However, one skilled in the art will recognize that embodiments of the invention may be practiced without one or more of the specific details, or with other devices, systems, assemblies, methods, components, materials, parts, and the like. In other instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring aspects of the embodiments of the invention.

Reference throughout this specification to "one embodiment," "an embodiment," or "a particular embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention and does not Certainly in all examples. Thus, various appearances of the phrases "in one embodiment," "in an embodiment," or "in a particular embodiment" in various places throughout the specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures or characteristics of any particular embodiment of the invention may be combined in any suitable manner with one or more other embodiments. It should be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the invention.

It should also be understood that one or more of the elements shown in the figures may also be implemented in a more separate or integrated manner, or even removed as inoperable in certain circumstances or as may be useful depending on a particular application. Provided.

In addition, unless otherwise expressly indicated, any marking arrows in the drawings should be regarded as illustrative only, and not limiting. In addition, as used herein, the term "or" is generally intended to mean "and/or" unless stated otherwise. Combinations of parts or steps are also considered to be indicated where terms are foreseen because it is unclear to provide the ability to separate or combine.

As used in the description herein and throughout the claims below, "a," and "the" include plural references unless otherwise indicated. Likewise, as used in the description herein and throughout the claims that follow, the meaning of "in" includes "in" and "on" unless otherwise specified.

The above description of illustrated embodiments of the invention, including what is described in the Abstract, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of the invention, and examples for the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the invention, as those skilled in the art will recognize and appreciate. of. As noted, these modifications can be made to the invention in light of the above description of described embodiments of the invention and will be within the spirit and scope of the invention.

Systems and methods have generally been described herein in detail to facilitate an understanding of the invention. Additionally, various specific details have been given to provide a general understanding of embodiments of the invention. However, one skilled in the relevant art will recognize that the embodiments of the invention may be practiced without one or more of the specific details, or with other devices, systems, assemblies, methods, components, materials, sections, etc. practice. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of the embodiments of the invention.

Thus, although the invention has been described herein with reference to specific embodiments thereof, freedom of modification, alterations and substitutions are intended to be within the foregoing disclosure, and it should be understood that in some cases, these can be achieved without departing from the scope and scope of the invention as presented. Some features of the invention will be employed without a corresponding use of other features within the spirit of the invention. Accordingly, many modifications may be made to adapt a particular situation or material to the true scope and spirit of the invention. The invention is not intended to be limited to the specific terms used in the following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out the invention, but the invention will include those falling within the scope of the appended claims Any and all examples and equivalents within . Accordingly, the scope of the invention is to be determined only by the appended claims.

Claims (10)

1. An adjustable automotive rear seat comprising: the seat headrest is rotationally connected with the seat backrest through the first rotating device;

the seat back is rotatably connected with the seat cushion through the second rotating device;

the transmission device is arranged between the first rotating device and the second rotating device, and is assembled to drive the seat headrest to turn over a preset angle relative to the seat backrest when the seat backrest is placed forwards, so that the distance of the seat headrest protruding forwards is shortened.

2. The automobile rear seat cushion according to claim 1, wherein the first rotating means includes:

the first rotating shaft is fixedly connected with the seat headrest;

and the first sleeve is installed at the top end of the seat backrest and is rotatably arranged with the first rotating shaft.

3. The automobile rear seat cushion according to claim 2, wherein the second rotating means includes:

the second rotating shaft is fixedly connected with the seat cushion;

the second sleeve is installed at the bottom of the seat backrest and is rotatably arranged with the second rotating shaft;

and the driving source is used for driving the second rotating shaft to rotate.

4. The automobile rear seat cushion according to claim 3, wherein the transmission mechanism is a transmission belt, and a first belt wheel and a second belt wheel are respectively arranged on the first rotating shaft and the second rotating shaft; wherein, the driving belt is respectively sleeved on the first belt pulley and the second belt pulley.

5. A rear seat cushion according to claim 3, wherein the first and second swivel means are provided with first and second locking mechanisms, respectively, to maintain the seat headrest, seat back and seat cushion locked when in use.

6. The automobile rear seat cushion according to claim 5, wherein the first locking mechanism and the second locking mechanism each employ a ratchet mechanism including:

the ratchet wheel is fixed on one side of the first rotating shaft/the second rotating shaft and is synchronously rotated with the first rotating shaft/the second rotating shaft;

a pawl mounted on the first sleeve/second sleeve and disposed in meshing engagement with the ratchet.

7. The automobile rear seat cushion according to claim 2, wherein a vertical lifting mechanism is further provided between the first sleeve and the seat back.

8. The automobile rear seat cushion according to claim 7, wherein the vertical lift mechanism comprises:

the sliding rail is arranged on the seat backrest along the height direction of the seat backrest;

one end of the metal rod is fixedly connected with the first sleeve, and the other end of the metal rod is in sliding fit with the sliding rail;

the locking piece is arranged on the sliding rail and used for locking the sliding state of the metal rod.

9. The automobile rear seat cushion according to claim 2, wherein a connecting rod is further provided between the first rotating device and the seat headrest; one end of the connecting rod is fixedly connected with the seat headrest, and the other end of the connecting rod is fixedly connected with the first rotating shaft.

10. The automobile rear seat cushion according to claim 9, wherein the connecting rod is a curved rod.

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