CN113103935A

CN113103935A - Automobile armrest

Info

Publication number: CN113103935A
Application number: CN202110561373.6A
Authority: CN
Inventors: 郑伟; 杨涛; 朱建国
Original assignee: Shanghai Howin Auto Parts Co ltd
Current assignee: Shanghai Howin Auto Parts Co ltd
Priority date: 2021-05-22
Filing date: 2021-05-22
Publication date: 2021-07-13
Anticipated expiration: 2041-05-22
Also published as: CN113103935B

Abstract

The application relates to an automobile armrest, which comprises an armrest body and an elbow support device arranged on the upper part of the armrest body; the elbow support device comprises a plurality of connecting rods, a supporting plate arranged at the upper part of the connecting rods and an elbow support pad arranged at the upper part of the supporting plate, the lower ends of the connecting rods are hinged with the armrest body, and the upper ends of the connecting rods are hinged with the supporting plate; the toggle rest apparatus further includes a locking structure for limiting rotation of the connecting rod relative to the support plate. This application can hold in the palm the height of pad to the elbow through setting up rotatable connecting rod to support driver's elbow, thereby satisfy driver's different user demands, and through setting up locking structure, with the position steadiness of ensureing the elbow and holding in the palm the pad.

Description

Automobile armrest

Technical Field

The application relates to the field of automotive interior structures, in particular to an automobile armrest.

Background

At present, with the continuous improvement of the automobile manufacturing level, people have higher and higher requirements on automobiles, not only simply pursue power and economy, but also pay more attention to riding comfort, so that certain requirements are made on automobile interior decorations.

The automobile seat armrest is an important component of an automobile interior, and is divided into a front seat central armrest and a rear seat central armrest, wherein the front seat central armrest is positioned in the middle of a front seat, so that elbow support is provided for a driver, and most of the automobile seat armrest is also provided with functions of a cup holder, storage and the like.

Aiming at the related technologies, the inventor thinks that the height, the sitting posture and the driving habit of each driver are different, and the armrest box is difficult to meet the use requirements of different drivers, so that the driver is easy to drive for a long time, and the elbow of the driver is suspended and tired and aching.

Disclosure of Invention

In order to satisfy different drivers' user demand, improve the comfort level of driving, this application provides an automobile handrail.

The application provides a car handrail adopts following technical scheme:

an automobile armrest comprises an armrest body and an elbow rest device arranged on the upper part of the armrest body; the elbow support device comprises a plurality of connecting rods, a supporting plate arranged at the upper part of the connecting rods and an elbow support pad arranged at the upper part of the supporting plate, the lower ends of the connecting rods are hinged with the armrest body, and the upper ends of the connecting rods are hinged with the supporting plate; the toggle rest apparatus further includes a locking structure for limiting rotation of the connecting rod relative to the support plate.

By adopting the technical scheme, when in use, the elbow support pad is pulled upwards to move upwards through the swinging of the connecting rod, after the elbow support pad moves to a proper height, the rotation of the connecting rod is limited through the locking structure, so that the height of the elbow support pad is locked, and the elbow support pad is suitable for the use requirements of different drivers; and the elbow pad moves forwards for a certain distance while moving upwards through the swinging connecting rod, so that the elbow pad can be closer to the right side of the driver, and the elbow of the right hand of the driver can be supported conveniently.

Optionally, a limit gear is fixed to the upper end of the connecting rod, and the axis of the limit gear coincides with the hinge axis of the upper end of the connecting rod; the supporting plate is provided with a limiting block which is arranged along the radial direction of the limiting gear in a sliding manner, and a spring which forces the limiting block to be inserted into a tooth groove of the limiting gear in a sliding manner is arranged between the supporting plate and the limiting block; the gear groove of the limiting gear sequentially comprises an inner concave cambered surface, a plane and an outer convex cambered surface from a tooth root to a tooth top, and two sides of the plane are in smooth transition with the inner concave cambered surface and the outer convex cambered surface respectively.

By adopting the technical scheme, when the height of the elbow supporting pad is adjusted, the limiting gear rotates along with the connecting rod, and the limiting block is continuously inserted into the tooth socket and separated from the tooth socket due to the guiding function of the tooth socket surface and the elastic force of the spring in the process, so that the rotation of the limiting gear has damping feeling, the adjusting hand feeling of the elbow supporting pad is improved, and the height position precision of the elbow supporting pad is controlled; moreover, by arranging the concave cambered surface, the plane and the convex cambered surface, the reaction force direction of the concave cambered surface to the end part of the limiting block is different, namely, when the limiting block moves tangentially with the tooth socket surface along the direction of separating from the tooth socket, the direction of the counterforce of the tooth socket surface to the end part of the limiting block is gradually jointed with the sliding direction of the limiting block, and from the dimension, the rotational damping feeling of the limit gear in this state becomes gradually smaller, and in the other dimension, the process that the limit block gradually disengages from the tooth socket means that the larger the compression deformation of the spring is, the larger the spring force is, in terms of the dimension, the damping of the limit gear is induced to gradually increase, so that the damping change of the two dimensions is synthesized, so that the comprehensive damping feeling of the limit gear is maintained within a small range in the process, namely, the comprehensive damping feeling is basically unchanged, so that the generation of paragraph feeling can be greatly reduced, and the height adjusting hand feeling of the elbow pad is improved.

Optionally, the locking structure include with the backup pad rotates the bull stick that sets up and is used for the drive bull stick pivoted servo motor, the axle center of bull stick be on a parallel with the axle center of spring, the outer peripheral face of bull stick is fixed with first locking arch, the spacing groove that the confession is seted up to the stopper first protruding rotatory card of locking is gone into.

Through adopting above-mentioned technical scheme, after the elbow asks the pad to rise to a take the altitude, the stopper inserts limiting gear tooth's socket, then servo motor starts to drive the bull stick and rotate, thereby drive first locking protruding card and go into limiting groove, thereby prevent the stopper and break away from the tooth's socket, thereby ensure that limiting gear is in unable pivoted state, thereby the rotation of restriction connecting rod plays the locking effect.

Optionally, the part of the spring axially far away from the limiting gear is sequentially divided into a first release section and a second release section, and the axial length of the first release section is smaller than the depth of the limiting block inserted into the tooth socket; the outer peripheral surface of the rotating rod is also provided with a second locking bulge, the upper part of the elbow support pad is provided with a pressure sensor, and the pressure sensor is electrically connected with the servo motor through a controller; the controller can control the rotating rod to rotate by transmitting a signal of the pressure sensor to the servo motor, so that the second locking protrusion is clamped into the axial gap of the first release section of the spring in a rotating mode, and when the second locking protrusion is clamped into the axial gap of the spring, the first locking protrusion is separated from the limiting groove.

By adopting the technical scheme, when the automobile accelerates, the automobile jolts and the elbow of the driver swings in a small vertical range, namely when the pressure of the elbow of the driver on the elbow pad is increased due to the fact that the automobile is not limited to the situation, the signal of the pressure sensor is transmitted to the controller, the controller controls the servo motor to start and rotate for a certain angle, so that the first locking protrusion is separated from the limiting groove, even if the position of the limiting block is movable, the second locking protrusion is rotatably clamped into the axial gap of the first release section, the elastic coefficient of the spring elasticity of the limiting block is negatively related to the effective number of turns of the first release section, namely the limiting block has large damping sliding motion, and the limiting block is still kept not separated from the tooth groove to rotate due to the limited axial length of the first release section, so that the limiting gear can only damp and rotate for a certain angle, therefore, the elbow pad can buffer the impact force from the driver, in order to reduce the damage that the elbow received, above-mentioned principle does, becomes flexible movable with the elbow pad of original rigidity to effectively to some situations, with the impact force that comes from driver's elbow cushions, with the damage that reduces the elbow received.

Optionally, the armrest body is provided with an acceleration sensor, and the acceleration sensor is electrically connected with the servo motor through the controller; the controller can control the rotating rod to rotate by transmitting signals of the acceleration sensor to the servo motor, so that the first locking protrusion is rotated to be separated from the limiting groove.

Through adopting above-mentioned technical scheme, when the car runs into emergency such as rapid acceleration or rapid deceleration, acceleration sensor gives the controller with the signal transmission, controller control servo motor rotates, so that first locking arch breaks away from the spacing groove, make the stopper be in the active state, so that but make limit gear damping rotate, the fixed elbow pad of rigidity that is about to originally becomes the movable state of flexible damping, one, under this emergency, the damping of elbow pad can cushion the impact force that comes from driver's elbow to a certain extent, two comes, the position of elbow pad is changeable, can reduce the interference of elbow pad to driver's elbow, in order to ensure driver's security.

Optionally, the outer peripheral surface of the rotating rod is provided with a plurality of third locking protrusions which can be sequentially clamped into different axial line gaps of the second release section, the third locking protrusions are axially arranged at intervals along the rotating rod, and the third locking protrusions are circumferentially distributed in a staggered manner along the rotating rod.

Through adopting above-mentioned technical scheme, when the car runs into emergency such as rapid acceleration or rapid deceleration, acceleration sensor gives the controller with signal transmission, controller control servo motor rotates, so that first locking arch breaks away from the spacing groove, and the bull stick continues to rotate, make in each third locking arch breaks away from the different axial clearances of second release section in proper order, increase the effective number of turns of spring promptly gradually, with the elasticity coefficient of reducing the spring gradually, consequently make originally the elbow pad of rigidity fixed become flexible damping state with the mode that changes gradually, consequently make the elbow pad compromise following effect: firstly, the elbow pad with larger damping sense can effectively buffer the larger impact force from the beginning of the elbow, when the impact force is slowly reduced, the damping sense of the elbow pad is smaller and smaller, so that the elbow pad can easily avoid the displacement of the elbow, namely, the subconscious emergency swing of the elbow to the emergency state can be freely exerted, and the safety of a driver is ensured.

Optionally, the number of the rotating rods corresponding to the spring is two, and the two rotating rods are symmetrically arranged by taking the axis of the spring as a center; the rotation paths of the first locking protrusion, the second locking protrusion and the third locking protrusion are all intersected with the thread line of the spring.

By adopting the technical scheme, firstly, the arrangement of the double rotating rods can ensure that the interference effect of the locking protrusion on the spring is stable; secondly, the crossing setting can ensure that the bull stick only rotates less angle and can make the locking arch break away from the axial clearance of spring, can remove the spacing of spring fast to deal with emergency.

Optionally, the rotation direction of the rotating rod is opposite to the spiral direction of the spring.

Because the spring is the heliciform, and the orbit of locking protruding rotation is the plane circumference, therefore there must be certain interference when locking protruding and spring are crossing, and because the spring has elasticity, consequently the spring can elastic deformation in order to dodge this and interfere, but still can cause certain stagnant flow to the rotation of bull stick like this, consequently influence locking protruding quick release to the spring, and through adopting above-mentioned technical scheme, two bull sticks rotate together, can stir the spring rotation simultaneously to let the interfered position removal of spring dodge and unlock the fixed arch, thereby reduce the stagnant flow of the rotation of bull stick, in order to ensure quick release of spring.

Optionally, the elbow support pad with the backup pad setting of sliding, just be equipped with between elbow support pad and the backup pad and hold in the palm the damping piece that the pad slided with damped mode restriction elbow.

Through adopting above-mentioned technical scheme, can be convenient for adjust the horizontal position of elbow pad to make elbow pad press close to driver's right side elbow more, with the use comfort who improves driver.

Optionally, the elbow pad can be dismantled and be connected with clamping structure, clamping structure is used for with one side centre gripping of car seat fixed.

Through adopting above-mentioned technical scheme, elbow support pad can independently use also can arrange clamping structure and use together, when elbow support pad and clamping structure collocation use, the elbow supports pad and car seat combination together, consequently when car seat carries out position control, elbow support pad can change along with car seat's position change to ensure that elbow support pad can support driver's elbow often, reduce and adjust loaded down with trivial details degree, improve and use the travelling comfort.

In summary, the present application includes at least one of the following beneficial technical effects:

the height of the elbow support pad can be adjusted by arranging the rotatable connecting rod so as to support the elbow of a driver, so that different use requirements of the driver are met, and the position stability of the elbow support pad is ensured by arranging the locking structure;

through the cooperation of the first release section of second locking arch and spring, the elbow pad that will originally rigidity becomes flexible movable, under the state that keeps the stopper not to break away from the tooth's socket to make limit gear can only the reciprocal certain angle of rotation of damping, and this damping is great, thereby make the elbow pad can cushion the impact force that comes from driver's elbow, in order to reduce the damage that the elbow received.

Through setting up acceleration sensor, can be according to emergent situation to the state that changes elbow pad, be about to the fixed elbow pad of rigidity originally becomes the movable state of flexible damping, firstly, in this emergency, the impact force that comes from driver's elbow can be cushioned to a certain extent to the damping of elbow pad, and secondly, the position of elbow pad is changeable, can reduce the elbow pad to driver's elbow interference, in order to ensure driver's security.

Drawings

Fig. 1 is a schematic view of the lid open state of the entire structure of embodiment 1.

Fig. 2 is a schematic view of the entire structure of embodiment 1.

Fig. 3 is a schematic view for embodying the structure of the height adjusting assembly of embodiment 1.

Fig. 4 is a schematic diagram of embodiment 1 for showing a matching state of a limiting block and a limiting gear.

Fig. 5 is a partial sectional view for embodying the internal structure of the holder according to embodiment 1.

Fig. 6 is a partially enlarged view of a portion a in fig. 5.

Fig. 7 is a schematic diagram for embodying the fitting relationship of the rotating rod and the spring of embodiment 1.

Fig. 8 is a schematic structural view of the slider in embodiment 1.

Fig. 9 is a schematic view of a clamping structure of embodiment 2.

Description of reference numerals: 1. a height adjustment assembly; 2. a support plate; 3. an elbow rest pad; 4. a locking structure; 6. a trigger switch; 10. a handrail body; 101. a storage chamber; 102. a cover plate; 11. a connecting rod; 12. a connecting rod; 20. an elbow rest device; 21. a sliding groove; 22. a rack; 30. a car seat; 31. a slider; 32. a flexible cantilever; 33. a connecting plate; 41. a limit gear; 411. an inner concave cambered surface; 412. a plane; 413. a convex cambered surface; 42. a limiting block; 421. a limiting groove; 43. a servo motor; 44. a fixed seat; 441. a chute; 442. a rotation chamber; 45. a spring; 451. a first release segment; 452. a second release segment; 46. a rotating rod; 461. a first locking projection; 462. a second locking projection; 463. a third locking projection; 51. a first splint; 52. a second splint.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment 1 of the application discloses an automobile armrest. Referring to fig. 1, the armrest for a vehicle includes an armrest body 10, the armrest body 10 being fixed to a central position of both seats on a front side of the vehicle, the armrest body 10 having a storage cavity 101 for accommodating a cup or other articles.

As shown in fig. 1, a cover plate 102 capable of opening and closing the storage chamber 101 is provided on an upper portion of the armrest body 10, an elbow rest device 20 is provided on the cover plate 102, and the elbow rest device 20 is used for supporting an elbow on the right side of a driver, so as to reduce fatigue and pain caused by the elbow being suspended, and improve riding comfort.

As shown in fig. 1, the elbow rest device 20 includes a height adjusting assembly 1, a support plate 2 and an elbow rest pad 3 for directly supporting an elbow, wherein the height adjusting assembly 1 is used for adjusting the height position of the support plate 2 relative to the armrest body 10; the elbow supporting pad 3 can be decorated by outer wrapping to improve the comfort, and the elbow supporting pad 3 and the supporting plate 2 are arranged in a damping sliding mode along the linear advancing direction of the automobile.

Through the horizontal slip of height adjusting subassembly 1 and elbow support pad 3 self, can realize that the elbow supports the position control in two directions of pad 3 to satisfy the user demand of the driver of different heights and use habit.

As shown in fig. 2, the height adjusting assembly 1 includes a plurality of connecting rods 11 and locking structures 4, wherein the lower ends of the connecting rods 11 are hinged to the upper surface of the cover plate 102, the upper ends of the connecting rods 11 are simultaneously fixed with horizontally arranged connecting rods 12, the connecting rods 12 are hinged to the lower surface of the support plate 2, the hinge axes of the connecting rods 11 are located in a horizontal plane 412, and the locking structures 4 are used for limiting the rotation of the connecting rods 12, that is, after the support plate 2 is adjusted to a proper height, the height position of the support plate 2 can be defined by the locking structures 4 to ensure the support stability.

As shown in fig. 3 and 4, the locking structure 4 includes a limiting gear 41, a limiting block 42, a rotating rod 46 and a servo motor 43, wherein the limiting gear 41 is coaxially fixed at two ends of the connecting rod 12, the tooth space groove surface of the limiting gear 41 sequentially includes an inner concave arc surface 411, a plane 412 and an outer convex arc surface 413 from the tooth root to the tooth top, and the interfaces of the plane 412 and the inner concave arc surface 411 and the outer convex arc surface 413 are in smooth transition.

As shown in fig. 3 and 5, a fixing seat 44 located on one side of the limit gear 41 is fixed on the lower surface of the support plate 2, a sliding groove 441 is formed in a side surface of the fixing seat 44, the limit block 42 and the sliding groove 441 are connected in a sliding manner along the radial direction of the limit gear 41, an arc surface matched with the concave arc surface 411 is arranged at the end portion of the limit block 42, a spring 45 is further arranged in the sliding groove 441, one end of the spring 45 abuts against the groove bottom of the sliding groove 441, the other end of the spring 45 abuts against the end portion of the limit block 42 far away from the limit gear 41, and the elastic force of the spring 45 forces the limit block 42 to slide and insert into.

As shown in fig. 6 and 7, an arc-shaped limiting groove 421 is formed in the side surface of the limiting block 42, and the spring 45 is sequentially named as a first releasing section 451 and a second releasing section 452 along the direction axially away from the limiting gear 41, wherein the axial length of the first releasing section 451 is smaller than the depth of the limiting block 42 completely inserted into the tooth groove.

As shown in fig. 6 and 7, two rotating rods 46 are provided corresponding to a single limit gear 41, the two rotating rods 46 are symmetrically arranged around the axis of the spring 45, the two rotating rods 46 are respectively located in a rotating cavity 442 formed in the fixed seat 44, the rotating rods 46 are rotatably connected with the fixed seat 44 around the axis thereof, and the servo motor 43 is used for driving the rotating rods 46 to rotate in the direction opposite to the spiral direction of the spring 45.

As shown in fig. 6 and 7, a first locking protrusion 461, a second locking protrusion 462 and a third locking protrusion 463 are sequentially fixed on the outer circumferential surface of the rotating rod 46 at intervals along the self-axial direction, the first locking protrusion 461 is located at a position corresponding to the stopper groove 421, the second locking protrusion 462 is located at a position corresponding to the first releasing section 451, the third locking protrusion 463 is located at a position corresponding to the second releasing section 452, and the number of the third locking protrusions 463 is plural.

An avoiding hole (not shown in the figures) for the first locking protrusion 461, the second locking protrusion 462 and the third locking protrusion 463 to respectively pass through is arranged between the rotating cavity 442 and the sliding groove 441 in a communicating manner, and rotating paths of the first locking protrusion 461, the second locking protrusion 462 and the third locking protrusion 463 along with the rotating rod 46 are intersected with a spiral path of the spring 45; the first locking protrusion 461, the second locking protrusion 462 and the third locking protrusion 463 are arranged along the rotation lever 46 in a circumferentially staggered manner.

The servo motor 43 is fixed on the lower surface of the support plate 2, the servo motor 43 drives the rotating rod 46 to rotate simultaneously through a belt pulley transmission mode, an acceleration sensor (not marked in the figure) is arranged in the armrest body 10, a pressure sensor is arranged on the upper portion of the elbow pad 3, and the pressure sensor and the acceleration sensor are electrically connected with the servo motor 43 through a controller, namely the servo motor 43 is controlled according to actual working conditions, such as the conditions of automobile bump, automobile rapid acceleration or rapid deceleration and the like; and, a trigger switch 6 electrically connected to the controller is provided at the front side of the elbow pad 3 to autonomously turn on or off the servo motor 43 according to the driver's will.

When the position of the elbow pad 3 is adjusted, the locking structure 4 does not limit the limiting block 42, at this time, the limiting block 42 is only inserted into the tooth socket by the elastic force of the spring 45, the elbow pad 3 is adjusted to move upwards, the connecting rod 11 swings, the limiting gear 41 rotates along with the connecting rod 11, and in the process, the limiting block 42 is continuously inserted into and separated from the tooth socket due to the guiding function of the tooth socket surface and the elastic force of the spring 45, namely, the rotation of the limiting gear 41 has damping feeling to improve the adjusting hand feeling of the elbow pad 3, and the control of the height position precision of the elbow pad 3, when the height of the elbow pad 3 is adjusted to a proper position, the trigger switch 6 is pressed, the servo motor 43 drives the rotating rod 46 to rotate for a certain angle, only the first locking protrusion 461 on the rotating rod 46 is rotatably clamped into the limiting groove 421 to limit the limiting block 42 to be completely clamped into the tooth socket, at this time, the limiting gear, the link 11 is in a fixed state to complete the height adjustment of the elbow rest 3, and then horizontally slides the elbow rest 3 to be close to the right elbow of the driver so as to support the elbow.

When the elbow pad 3 needs to be lowered, the trigger switch 6 is only needed to be pressed again, the servo motor 43 drives the rotating rod 46 to rotate reversely by a certain angle, so that the first locking protrusion 461 on the rotating rod 46 is separated from the limiting groove 421 to release the limitation of the limiting block 42, and the connecting rod 11 is in a movable swinging state at the moment.

When the pressure of the elbow of the driver on the elbow pad 3 is increased due to the conditions of small-amplitude acceleration of the automobile, bumping of the automobile, small-vertical-range swinging of the elbow of the driver and the like, the signal of the pressure sensor is transmitted to the controller, the controller controls the servo motor 43 to start and rotate for a certain angle, so that the first locking protrusion 461 is separated from the limiting groove 421, even if the position of the limiting block 42 is movable, only the second locking protrusion 462 is rotatably clamped into the axial gap of the first releasing section 451, and the part of the spring 45 exerting the elastic force is only the first releasing section 451, because the axial length of the first releasing section 451 is not enough to completely retract the limiting block 42 into the sliding groove 441, the limiting block 42 can perform damping sliding relative to the limiting gear 41 for a short distance, so that the limiting gear 41 can only perform damping rotation for a certain angle, namely, the overall height position of the elbow pad 3 is kept as unchanged, however, the elbow rest 3, which is originally fixed in rigidity, becomes a state of flexibly damping movement, and the elbow rest 3 in this state can cushion the impact force from the elbow of the driver to reduce the damage to the elbow.

When the automobile encounters an emergency situation such as rapid acceleration or rapid deceleration, the acceleration sensor transmits a signal to the controller, the controller controls the servo motor 43 to rotate, so that the first locking protrusion 461 is disengaged from the limiting groove 421, and the rotating rod 46 continues to rotate, so that the third locking protrusions 463 are sequentially clamped into different axial gaps of the second releasing section 452 and sequentially disengaged from different axial gaps of the second releasing section 452, that is, the effective number of turns of the spring 45 is gradually increased, so as to gradually reduce the elastic coefficient of the spring 45, thereby changing the original rigidly fixed elbow pad 3 into a flexible damping state in a gradually changing manner, so that the damping of the elbow pad 3 at the beginning is large, the elbow pad can effectively buffer the large impact force from the beginning of the elbow, and as the impact force is slowly reduced, the effective number of turns of the spring 45 is gradually increased, so that the damping feeling of the elbow pad 3 is smaller and smaller, therefore, the elbow pad 3 can move along with the motion of the elbow relatively easily, namely, the interference of the elbow pad 3 on the elbow of the driver is reduced, namely, the subconscious emergency swing of the elbow on the emergency state can be freely exerted, and the safety of the driver is ensured.

As shown in fig. 8, a sliding block 31 is fixed on the lower surface of the elbow pad 3, a sliding groove 21 is formed on the upper surface of the support plate 2, the sliding block 31 is connected with the sliding groove 21 in a sliding manner, a rack 22 is arranged in the sliding groove 21 along the length direction, an elastic cantilever 32 is fixed on the side surface of the sliding block 31, and the elastic cantilever 32 is connected with the teeth on the rack 22 in a meshing manner.

When the horizontal position of the elbow pad 3 needs to be adjusted, the elbow pad 3 can slide relative to the support plate 2, the elastic cantilever 32 continuously and elastically avoids the teeth on the rack 22 in the period to form damping sliding motion, and when the elbow pad 3 slides to a proper position, the elastic cantilever 32 is meshed with the rack 22 to limit the elbow pad 3.

Embodiment 2, in addition to embodiment 1, as shown in fig. 9, a clamping structure is detachably connected to the elbow pad 3, a connecting plate 33 is fixed to a side surface of the elbow pad 3, the clamping structure includes a first clamping plate 51 and a second clamping plate 52, the first clamping plate 51 and the second clamping plate 52 are respectively used for clamping a right back surface of the right side of the car seat 30, and then the connecting plate 33, the first clamping plate 51, and the second clamping plate 52 are fixedly connected through bolts and nuts.

That is, when the elbow rest pad 3 is used alone, the elbow rest pad 3 can be mounted together with the car seat 30 by using the clamping structure, and when the car seat 30 is adjusted in position, the elbow rest pad 3 can be changed along with the change of the position of the car seat 30, so that the elbow rest pad 3 can support the elbow of the driver at any time, the adjustment complexity is reduced, and the use comfort is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automobile armrest, characterized in that: comprises an armrest body (10) and an elbow rest device (20) arranged on the upper part of the armrest body (10); the elbow support device (20) comprises a plurality of connecting rods (11), a supporting plate (2) arranged on the upper portion of the connecting rods (11) and an elbow support pad (3) arranged on the upper portion of the supporting plate (2), the lower ends of the connecting rods (11) are hinged with the armrest body (10), and the upper ends of the connecting rods (11) are hinged with the supporting plate (2); the elbow rest device (20) further comprises a locking structure (4) for limiting the rotation of the connecting rod (11) relative to the supporting plate (2).

2. The vehicle armrest according to claim 1, characterized in that: a limiting gear (41) is fixed at the upper end of the connecting rod (11), and the axis of the limiting gear (41) is superposed with the hinge axis at the upper end of the connecting rod (11); the supporting plate (2) is provided with a limiting block (42) which is arranged along the radial direction of the limiting gear (41) in a sliding manner, and a spring (45) which forces the limiting block (42) to be inserted into a tooth groove of the limiting gear (41) in a sliding manner is arranged between the supporting plate (2) and the limiting block (42); the tooth space of the limiting gear (41) sequentially comprises an inner concave arc surface (411), a plane (412) and an outer convex arc surface (413) from the tooth root to the tooth top, and two sides of the plane (412) are in smooth transition with the inner concave arc surface (411) and the outer convex arc surface (413) respectively.

3. The vehicle armrest according to claim 2, characterized in that: locking structure (4) include with backup pad (2) rotate bull stick (46) that sets up and be used for the drive bull stick (46) pivoted servo motor (43), the axle center of bull stick (46) be on a parallel with the axle center of spring (45), the outer peripheral face of bull stick (46) is fixed with first locking arch (461), spacing groove (421) that confession was seted up in stopper (42) first locking arch (461) rotatory card is gone into.

4. The vehicle armrest according to claim 3, characterized in that: the part of the spring (45) which is far away from the limiting gear (41) along the axial direction is sequentially divided into a first releasing section (451) and a second releasing section (452), and the axial length of the first releasing section (451) is smaller than the depth of the limiting block (42) inserted into the tooth groove; a second locking bulge (462) is further arranged on the outer peripheral surface of the rotating rod (46), a pressure sensor is arranged on the upper portion of the elbow supporting pad (3), and the pressure sensor is electrically connected with the servo motor (43) through a controller; the controller can control the rotating rod (46) to rotate by transmitting a signal of the pressure sensor to the servo motor (43), so that the second locking protrusion (462) is rotatably clamped into the axial gap of the first release section (451) of the spring (45), and when the second locking protrusion (462) is clamped into the axial gap of the spring (45), the first locking protrusion (461) is in a state of being separated from the limiting groove (421).

5. The vehicle armrest according to claim 4, characterized in that: the handrail body (10) is provided with an acceleration sensor which is electrically connected with the servo motor (43) through the controller; the controller can control the rotating rod (46) to rotate by transmitting a signal of the acceleration sensor to the servo motor (43), so that the first locking protrusion (461) is rotated to be separated from the limiting groove (421).

6. The vehicle armrest according to claim 5, characterized in that: the outer peripheral surface of the rotating rod (46) is provided with a plurality of third locking protrusions (463) which can be sequentially clamped into gaps between different axes of the second release section (452), the third locking protrusions (463) are arranged at intervals along the axial direction of the rotating rod (46), and the third locking protrusions (463) are distributed along the circumferential direction of the rotating rod (46) in a staggered mode.

7. The vehicle armrest according to claim 6, characterized in that: the number of the rotating rods (46) corresponding to the spring (45) is two, and the two rotating rods (46) are symmetrically arranged by taking the axis of the spring (45) as a center; the rotation paths of the first locking protrusion (461), the second locking protrusion (462), and the third locking protrusion (463) are all arranged to intersect the thread line of the spring (45).

8. The vehicle armrest according to claim 7, characterized in that: the rotating direction of the rotating rod (46) is opposite to the spiral direction of the spring (45).

9. The vehicle armrest according to claim 1, characterized in that: elbow holds in the palm pad (3) with backup pad (2) slide the setting, just be equipped with between elbow holds in the palm pad (3) and backup pad (2) and restrict the damping piece that elbow held in the palm pad (3) slided with damped mode.

10. The vehicle armrest according to claim 1, characterized in that: elbow pad (3) can be dismantled and be connected with clamping structure, clamping structure is used for with one side centre gripping of car seat (30) fixed.