阅读说明：本技术 一种汽车座椅靠背调节机构 (A kind of motor vehicle seat back regulating mechanism ) 是由 许建峰 吴传峰 于 2019-10-08 设计创作，主要内容包括：本申请公开的汽车座椅靠背调节机构,与现有技术相比,包括：与座椅靠背同步转动的座椅转轴；安装于座椅转轴上的摩擦轮；安装于坐垫骨架上,用于锁紧摩擦轮的锁紧装置；锁紧装置包括：安装于坐垫骨架上的锁紧装置壳体；安装于锁紧装置壳体上的摩擦环安装座；安装于摩擦环安装座上的弹性件；设于摩擦环安装座上的摩擦环；安装于摩擦环安装座上的锁紧环,用于将摩擦环锁紧在摩擦环安装座上；安装在锁紧装置壳体上,用于调节锁紧装置锁紧状态的锁紧调节机构。本申请提供的汽车座椅靠背调节机构,相较于现有技术而言,其能够对汽车座椅靠背实现任意角度调节,乘客可以根据自身状况或使用需求将靠背调节成任意角度,调节结构可靠,角度调节范围大,显著提高乘客的舒适度。(Motor vehicle seat back regulating mechanism disclosed in the present application, compared with prior art, comprising: the seat shaft rotated synchronously with backrest；The friction pulley being installed in seat shaft；It is installed in cushion skeleton, for locking the locking device of friction pulley；Locking device includes: the locking device shell being installed in cushion skeleton；The drag ring mounting base being installed on locking device shell；The elastic component being installed in drag ring mounting base；Drag ring in drag ring mounting base；The retaining ring being installed in drag ring mounting base, for drag ring to be locked at drag ring mounting base；It is mounted on locking device shell, the regulating mechanism for locking for regulation locking device locking state.Motor vehicle seat back regulating mechanism provided by the present application, compared to existing technologies, it can realize that any angle is adjusted to motor vehicle seat back, backrest can be adjusted to any angle according to self-condition or use demand by passenger, adjustment structure is reliable, angle of regulation range is big, significantly improves the comfort level of passenger.)

1. a kind of motor vehicle seat back regulating mechanism characterized by comprising the seat shaft rotated synchronously with backrest； The friction pulley being installed in seat shaft；It is installed in cushion skeleton, for locking the locking device of friction pulley；Locking device packet It includes: the locking device shell being installed in cushion skeleton；The drag ring mounting base being installed on locking device shell；It is installed on and rubs Wipe the elastic component in ring mounting base；Drag ring in the drag ring mounting base；It is installed in the drag ring mounting base Retaining ring, for drag ring to be locked at drag ring mounting base；It is mounted on locking device shell, for adjusting the lock The regulating mechanism for locking of tight device locking state.

2. motor vehicle seat back regulating mechanism according to claim 1, which is characterized in that the locking device shell installation In in cushion skeleton specifically: the locking device shell is fixedly connected with cushion skeleton.

3. motor vehicle seat back regulating mechanism according to claim 1, which is characterized in that the regulating mechanism includes: peace Opening cam on locking device shell；The unlatching driving lever being connect with the opening cam；It is connect with the unlatching driving lever Unlatching drawstring, it is described open drawstring far from it is described open driving lever side be equipped with pull ring.

4. motor vehicle seat back regulating mechanism according to claim 1, which is characterized in that the friction pulley is installed on seat In shaft specifically: the friction pulley is mounted in seat shaft especially by flat-sale connection.

5. motor vehicle seat back regulating mechanism according to claim 1, which is characterized in that the friction wheel surface border every It disconnects and is equipped with slot structure.

6. motor vehicle seat back regulating mechanism according to claim 2, which is characterized in that set on the locking device shell There is limited post, for constraining opening angle.

7. motor vehicle seat back regulating mechanism according to claim 1, which is characterized in that set in the drag ring mounting base There is the locating slot with drag ring cooperation.

8. the motor vehicle seat back regulating mechanism stated according to claim 1, which is characterized in that the elastic component is specially spring.

9. the motor vehicle seat back regulating mechanism stated according to claim 1, which is characterized in that the drag ring is specifically set to institute State the outer ring of friction pulley.

10. according to claim 1 to motor vehicle seat back regulating mechanism described in 9 any one, which is characterized in that the friction Ring is specially rubber ring.

Technical field

This application involves Vehicle Engineering technical fields, and more specifically more particularly to a kind of motor vehicle seat back adjusts machine Structure.

Background technique

Automotive seat needs to adapt to the seating demand of different physical condition passengers, driver in driving and rest, There are different requirements to the angle of backrest, adjusts seat back angle according to the different demands of occupant, can reduce occupant's Fatigue strength increases riding comfort, and current automotive seat has been provided with the angle regulating function of backrest, to allow passenger Have when seating and more comfortably takes posture relatively.

However, in the prior art, the adjusting of automotive seat is substantially adjusted using the principle of mechanical engagement by dorsal horn Degree can not accomplish that real any angle is adjusted due to the complexity of structure and the limitation of this body structure.

Therefore, how a kind of motor vehicle seat back regulating mechanism is provided, can be realized backrest angle truly Electrodeless adjustment improves comfort of passenger, has become those skilled in the art's technical problem urgently to be resolved.

Summary of the invention

In order to solve the above technical problems, the application provides a kind of motor vehicle seat back regulating mechanism, it can be to automotive seats Chair back realizes that any angle is adjusted, and backrest can be adjusted to any angle according to self-condition or use demand by passenger, adjusts Section structure is reliable, and angle of regulation range is big, significantly improves the comfort level of passenger.

Technical solution provided by the present application is as follows:

The application provides a kind of motor vehicle seat back regulating mechanism, comprising: the seat shaft rotated synchronously with backrest； The friction pulley being installed in seat shaft；It is installed in cushion skeleton, for locking the locking device of friction pulley；Locking device packet It includes: the locking device shell being installed in cushion skeleton；The drag ring mounting base being installed on locking device shell；It is installed on and rubs Wipe the elastic component in ring mounting base；Drag ring in the drag ring mounting base；It is installed in the drag ring mounting base Retaining ring, for drag ring to be locked at drag ring mounting base；It is mounted on locking device shell, for adjusting the lock The regulating mechanism for locking of tight device locking state.

Further, in a kind of preferred mode of the present invention, the locking device further include: the locking device shell It is installed in cushion skeleton specifically: the locking device shell is fixedly connected with cushion skeleton.

Further, in a kind of preferred mode of the present invention, regulating mechanism includes: to be mounted on locking device shell Opening cam；The unlatching driving lever being connect with the opening cam；The unlatching drawstring connecting with the unlatching driving lever, the unlatching are drawn Band is equipped with pull ring far from the side for opening driving lever.

Further, in a kind of preferred mode of the present invention, the friction pulley is installed in seat shaft specifically: institute Friction pulley is stated to be mounted in seat shaft especially by flat-sale connection.

Further, in a kind of preferred mode of the present invention, the friction wheel surface border partition offers slot structure.

Further, in a kind of preferred mode of the present invention, the locking device shell is equipped with limited post, for preventing The only excessive locking of opening angle.

Further, in a kind of preferred mode of the present invention, the drag ring mounting base is equipped with and the drag ring The locating slot of cooperation.

Further, in a kind of preferred mode of the present invention, the elastic component is specially spring.

Further, in a kind of preferred mode of the present invention, the drag ring is specifically set to the outer of the friction pulley Circle.

Further, in a kind of preferred mode of the present invention, the drag ring is specially rubber ring.

A kind of motor vehicle seat back regulating mechanism provided by the invention, compared with prior art, comprising: same with backrest Walk the seat shaft of rotation；The friction pulley being installed in seat shaft；It is installed in cushion skeleton, for locking the lock of friction pulley Tight device；Locking device includes: the locking device shell being installed in cushion skeleton；The friction being installed on locking device shell Ring mounting base；The elastic component being installed in drag ring mounting base；Drag ring in the drag ring mounting base；It is installed on institute The retaining ring in drag ring mounting base is stated, for drag ring to be locked at drag ring mounting base；It is mounted on locking device shell On, for adjusting the regulating mechanism for locking of the locking device locking state.This programme using regulating mechanism for locking by being controlled Drag ring is to realize contact and disengaging of the drag ring with friction pulley, thus realize the adjusting and latch functions at backrest angle, it will Backrest angle adapts to the use demand of various angles from there is grade adjusting to become electrodeless adjustment, compared to existing technologies, It can realize that any angle is adjusted to motor vehicle seat back, backrest can be adjusted to by passenger according to self-condition or use demand Any angle, adjustment structure is reliable, and angle of regulation range is big, significantly improves the comfort level of passenger.

Detailed description of the invention

In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is the overall schematic of motor vehicle seat back regulating mechanism provided in an embodiment of the present invention；

Fig. 2 is the decomposition diagram of motor vehicle seat back regulating mechanism provided in an embodiment of the present invention.

Specific embodiment

In order to make those skilled in the art more fully understand the technical solution in the application, below in conjunction with the application reality The technical scheme in the embodiment of the application is clearly and completely described for the attached drawing for applying in example, it is clear that described embodiment Only a part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the model of the application protection It encloses.

It should be noted that it can directly exist when element is referred to as on " being fixed on " or " being set to " another element On another element or indirectly setting on the other element；When an element is known as " being connected to " another element, It can be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", under ", "front", "rear", " first ", " second ", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is orientation based on the figure or position Relationship is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must have There is specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.It is multiple in the description of the present application ", " several " be meant that two or Two or more, unless otherwise specifically defined.

It should be clear that structure depicted in this specification attached drawing, ratio, size etc., only to cooperate specification revealed Content is not limited to the enforceable qualifications of the application, therefore does not have so that those skilled in the art understands and reads Technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the application institute energy Under the effect of generation and the purpose that can reach, it should all still fall in techniques disclosed in this application content and obtain the range that can cover It is interior.

Please be as shown in Figure 1 to Figure 2, motor vehicle seat back regulating mechanism provided by the embodiments of the present application, comprising: leaned on seat Carry on the back the seat shaft 1 rotated synchronously；The friction pulley 2 being installed in seat shaft 1；It is installed in cushion skeleton, rubs for locking Wipe the locking device of wheel 2；Locking device includes: the locking device shell 7 being installed in cushion skeleton；It is installed on seat shaft 1 On drag ring mounting base 3；The elastic component 4 being installed in drag ring mounting base 3；Rubbing in the drag ring mounting base 3 Wipe ring 5；The retaining ring 6 being installed in the drag ring mounting base 3, for drag ring 5 to be locked at drag ring mounting base 3； It is mounted on locking device shell, for adjusting the regulating mechanism for locking of the locking device locking state.

The embodiment of the present invention provides a kind of motor vehicle seat back regulating mechanism, specifically includes: rotating synchronously with backrest Seat shaft 1, friction pulley 2 is installed in seat shaft 1, cushion skeleton is equipped with the locking device for locking friction pulley 2, Wherein locking device includes: the locking device shell 7 being installed in cushion skeleton；The drag ring being installed on locking device shell Mounting base 3；The elastic component 4 being installed in drag ring mounting base 3；Drag ring 5 in the drag ring mounting base 3；Installation Retaining ring 6 in the drag ring mounting base 3, for drag ring 5 to be locked at drag ring mounting base 3；It is mounted on locking In device housing, for adjusting the regulating mechanism for locking of the locking device locking state.This programme passes through to be adjusted using locking Mechanism controls drag ring 5 to realize drag ring 5 and the contact of friction pulley 2 and disengaging, thus realize the adjusting at backrest angle with Latch functions adapt to the use demand of various angles, compared to existing by backrest angle from there is grade adjusting to become electrodeless adjustment For technology, it can realize that any angle is adjusted to motor vehicle seat back, passenger can be according to self-condition or use demand Backrest is adjusted to any angle, adjustment structure is reliable, and angle of regulation range is big, significantly improves the comfort level of passenger.

Specifically, in embodiments of the present invention, the locking device shell in cushion skeleton and the fixed company of cushion skeleton It connects, provides the function of mounting base for locking device, while preventing dust from entering influence body function.

More specifically, in the present embodiment, a metal friction wheel 2 is set at backrest rotary shaft, and outer ring is set There is rubber ring, rubber ring and the contact of friction pulley 2 and disengaging is realized using mechanical structure control rubber ring, to realize that seat leans on The adjusting and latch functions of dorsal horn.

Specifically, in embodiments of the present invention, the regulating mechanism includes: that the unlatching that is mounted on locking device shell is convex Wheel 8；The unlatching driving lever 9 for being mounted in seat shaft 1, and being connect with the opening cam 8；It is connect with the unlatching driving lever 9 Drawstring 10 is opened, it is described to open drawstring 10 far from the side for opening driving lever 9 equipped with pull ring.User pass through with pull drawing Ring is realized that seat braking is detached from, is adjusted the angle, after being transferred to demand angle, pull ring decontroled, into locking state.

Specifically, in embodiments of the present invention, the friction pulley 2 is installed in seat shaft 1 specifically: the friction pulley 2 are mounted in seat shaft 1 especially by flat-sale connection.Wherein, locking device shell 7 is also the movement mechanism of rubber ring simultaneously Mounting base, the function that the outside of friction pulley 2 facilitates replacement for realizing rubber ring is arranged in rubber ring.

Specifically, in embodiments of the present invention, 2 surface border of the friction pulley partition offers slot structure.Specifically Coarse processing is made to improve the roughness value on surface, to increase friction when work in ground, 2 surface of friction pulley.

Specifically, in embodiments of the present invention, the locking device shell 7 is equipped with limited post, for preventing opening angle Spend big locking.

Specifically, in embodiments of the present invention, the drag ring mounting base 3 is equipped with and determines with what the drag ring 5 cooperated Position slot.

Specifically, in embodiments of the present invention, the elastic component 4 is specially spring.

Specifically, in embodiments of the present invention, the drag ring 5 is specifically set to the outside of the friction pulley 2, compared to Drag ring 5 is placed in for the inside of friction pulley 2, has the convenient advantage of maintenance and repair.

Specifically, in embodiments of the present invention, the drag ring 5 is specially rubber ring.

It more specifically illustrates, in the prior art, for the reliability for guaranteeing meshing state, the gear teeth on ratchet generally can Certain angle is done, pawl will not be detached from the gear teeth, the most ditty of backrest because of the effect of opposite force when to guarantee cooperation Section angle is exactly the multiple of central angle folded by adjacent two tooth of ratchet, that is, has grade adjusting, and ratchet and the gear teeth are bigger, and backrest is minimum It is bigger to adjust angle, so limiting backrest arbitrarily adjusts angle；

Since ratchet mechanism is rigid connection, being adjusted each time to pawl is all a rigid shock, is used for the service life It is all once to damage, if mechanism is destroyed, it is very inconvenient to repair, a whole set of skeleton even seat will be generally changed, at This valuableness；Further, since the limitation of this body structure of ratchet mechanism and seat moulding, ratchet form adjusts maximum angle by dorsal horn It is difficult to accomplish 180 °, for wanting to realize the vehicle of some specific functions, the limited influence of the angular adjustment reality of functions of seat It is existing.

The present embodiments relate to motor vehicle seat back regulating mechanism, utilize drum brake principle to carry out structure and material and change Into, facilitate maintenance, can be realized backrest step-less adjustment, specifically, at backrest rotary shaft be arranged a metal rub Wheel 2 is wiped, outer ring is equipped with drag ring 5, realizes drag ring 5 and the contact of friction pulley 2 using mechanical structure control drag ring 5 and takes off From to realize the adjusting and latch functions at backrest angle；More specifically, it is equipped with outside motor vehicle seat back regulating mechanism Shelter-clad, simultaneously also as the movement mechanism mounting base of drag ring mounting base 3, the setting of drag ring 5 is rubbing shelter-clad 2 outside of wheel is wiped, drag ring 5 is more convenient for be replaced.

Wherein, the present embodiments relate to motor vehicle seat back regulating mechanism from the practical operation convenience of assembly technology It lists following assemble sequence: friction pulley 2 is mounted in seat shaft 1, prevent from rotating using flat-sale connection, friction wheel surface week Sulculus is opened in circle partition, and surface roughness value is bigger, to increase frictional force when work；

Drag ring 5 is placed in drag ring mounting base 3, wherein drag ring 5 has positioning relative to drag ring mounting base 3 Slot；Drag ring 5 is specific in implementation preferably uses rubber ring.

Rubber ring is locked in drag ring mounting base 3 by installation locking ring 6 using being bolted；

By elastic component 4, i.e. high-strength spring is mounted in drag ring mounting base 3, and drag ring mounting base 3 at this time is placed on Corresponding position on friction pulley 2；

High-strength spring is mounted in drag ring mounting base 3, at this time due to the effect of spring force, above-mentioned assembly has been limited In corresponding position；

Locking device shell 7 is mounted on chair framework corresponding position, while the shaft of above-mentioned drag ring mounting base 3 being filled The corresponding position being fitted on locking device shell 7；

Opening cam 8 is mounted on the corresponding position on locking device shell；Driving lever 9 will be opened and be mounted on locking device On the corresponding position axis of shell 7；Angle adjustor lid 11 is installed, the installation of entire angle adjustor locking device is completed；

Drawstring 10 will be opened to be mounted on unlatching driving lever 9, the other end for opening drawstring 10 is arranged among seat, headrest There is limited post at rear, 7 back of locking device shell, prevents opening angle excessive and locking.

Under this mechanism normal condition, by the tightening force of high-strength spring, drag ring 5 is locked on friction pulley 2, is pulled open When opening drawstring 10, drawstring and the rotary shaft for opening driving lever 9 open drive opening cam 8 when driving lever 9 rotates there are certain arm of force Rotation generates the drawing force for opening spring, drag ring 5 is opened an angle, and backrest shaft loses braking, can be with Rotation is adjusted to any angle.

To after expected angle, drawstring 10 is unclamped, drag ring 5 under spring force, and is in tightening state, seat Rotary shaft is rotated by limitation, completes the operation of a whole set of backrest adjusting since then.

Wherein, the step of maintenance operation are as follows: the bolt for unloading angle adjustor lid 11 removes angle adjustor lid 11；Unload locking The bolt of ring 6, is rotated a certain angle；Old drag ring is removed, new drag ring is changed；Again upper bolt locking locking Ring 6；It is reinstalled angle adjustor lid 11；Since then, that completes a whole set of components renews operation.

From the above mentioned, the present embodiments relate to motor vehicle seat back regulating mechanism, utilize frictional force realize really meaning Backrest angle step-less adjustment in justice；The latch functions mechanism being directed to can carry out independent part exchanging, and no replacement is required Chair framework dramatically reduces maintenance cost；Backrest does not have maximum angle limitation, can be adjusted with any angle, friction pulley 2, drag ring 5 realizes seat back angle electrodeless adjustment；Drag ring 5 is external, maintenance easy to disassemble；Compared with prior art, will Backrest angle adapts to the use demand of various angles from there is grade adjusting to become electrodeless adjustment；The master of mechanism realization regulatory function It wants part that can individually replace, and at low cost, maintenance maintenance cost is greatly reduced；Prolong significantly compared with traditional adjustment structure Service life, the convenient function of maintenance and repair are grown.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.