具体实施方式

以下通过特定的具体实例说明本实用新型的实施方式，本领域技术人员可由本说明书所揭露的内容轻易地了解本实用新型的其他优点与功效。本实用新型还可以通过另外不同的具体实施方式加以实施或应用，本说明书中的各项细节也可以基于不同观点与应用，在没有背离本实用新型的精神下进行各种修饰或改变。需要说明的是，以下实施例中所提供的图示仅用于说明本实用新型的基本构想，在不冲突的情况下，以下实施例及实施例中的特征可以相互组合。

请参阅图1-5，本实施例中公开了一种按摩机构，包括驱动源1、转动杆2、按摩头组件3和气囊构件4，其中：

驱动源1具备用于输出转矩的输出端，在这里驱动源1采用驱动电机，驱动电机的输出轴即用于输出转矩的输出端；

转动杆2与驱动源1的输出端传动连接，具体的，转动杆2与驱动电机的输出轴直接固定连接，即通过驱动电机带动转动杆2的转动；

按摩头组件3包括座体301和设置于座体301上的至少一个按摩头302，所述座体301以可与转动杆2同步转动并可被驱动沿转动杆2轴线方向单自由度移动的方式设置于转动杆2上；具体的，这里按摩头302为对称设置的两个，当然在其它实施例中根据需要可以设置为其它个数；按摩头的结构与现有座椅机械按摩结构的按摩头一致，这里不再赘述；在转动杆2转动时，按摩头302绕转动杆2公转同时可自转，从而实现对人体的深度按摩；

气囊构件4，包括气囊本体401，所述气囊本体401配置为能够在转动杆2轴线方向上膨胀或收缩，以驱使所述座体301沿转动杆2轴线方向移动；可以理解的是，气囊本体401可通过与气源连接，并通过气泵控制等方式来完成气囊本体401的充气和放气，从而快速的实现气囊本体401的膨胀和收缩，气囊本体401一般采用橡胶气袋等；

上述结构中提供的按摩机构，具有较好的按摩效果，能够利于提升对于不同驾乘人员的使用舒适性评价，同时，结构简单，利于减低生产成本；具体的，本按摩机构中的按摩头组件3可以在气囊构件4的作用下进行按摩头302顶出高度位置的调整，从而适应不同驾乘人员的按摩力度需求，能够更直接、有效地对肌肉群进行深度按摩，由于气囊具备一定缓冲性，根据按摩头端受到的压力可以自适应的进行一定的缓冲调节，使得按摩头302的位置处于适于对驾乘人员进行按摩的位置，按摩效果好，能够利于提升对于不同驾乘人员的使用舒适性评价；同时，按摩头组件3的座体301由气囊构件4进行驱动移动，气囊可通过充放气快速实现膨胀和收缩，控制方便，利于简化结构，减低生产成本，利于市场推广；此外，具体运用时，还可通过在按摩头302端设置压力传感器检测受到的具体压力值，进而通过主动控制气囊内部的充气量，对按摩头302的位置进行调节，从而利于满足不同驾乘人员对于按摩力度的使用需求；此外，本结构设计紧凑性好，占用空间小，利于在座椅本体内的布置；结构可靠，使用耐久性好。

本实施例中，还包括回位弹簧5，所述回位弹簧4配置在转动杆2顶部与座体301之间，用于在气囊本体401处于收缩状态时为座体301提供回位的复位力；通过设置回位弹簧5，可以在不需要使用按摩功能时，座体301能够在回位弹簧5复位力的作用下自动收缩回去，带动按摩头302也收缩回去，从而不影响座椅等产品卡背部位的平整度，保证座椅等产品的在不使用按摩功能时的舒适性；当然，回位弹簧5本身具备一定的缓冲性能，利于进一步提升按摩头302顶出位置的自适应调节功能，从而进一步提高按摩机构的按摩效果，满足不同驾乘人员的使用需求。

本实施例中，所述气囊构件4还包括同轴设置的固定外导向套402、固定内导向套403和上基板404，所述固定内导向套403与转动杆2同轴设置，所述上基板404单自由度滑动外套设置于固定内导向套403，所述上基板404、固定内导向套403和固定外导向套402之间形成用于限定气囊本体401膨胀或收缩变形方向的导向空间4a，所述座体301在回位弹簧5的作用下抵接在上基板404顶面上；需要说明的是的，这里固定外导向套402和固定内导向套403中“固定”的意思是固定外导向套402和固定内导向套403自身是固定位置不动的；同轴设置的固定外导向套402和固定内导向套403限定气囊本体401在二者形成的夹层中进行膨胀或收缩变形；气囊本体401充气膨胀时，推动上基板404向外顶出，进而推动座体301的移动，使得按摩头302向外突出；本段中提到的“向外”也即转动杆2的顶部方向；通过设置的上基板404，可以使得座体301在上基板404上转动，而不直接与气囊本体401接触，利于保证气囊本体401的使用耐久性，以及保证座体301的转动顺畅性。

本实施例中，所述上基板404顶面与座体301底面之间沿转动杆2的周向设置有多个滚珠6；具体的，这里多个滚珠6均布设置；滚珠6可设置在上基板404上也可设置在座体301上；通过设置滚珠6，利于减少上基板404与座体301之间的摩擦力，从而利于进一步提升座体301的转动顺畅性，提高使用寿命。

本实施例中，所述固定内导向套403的下部设有径向向外凸起的环形支撑台403a，所述环形支撑台403a与驱动源1的壳体固定连接，所述气囊本体401外套于固定内导向套403并支撑在环形支撑台403a上；通过设置环形支撑台403a利于形成对于气囊本体401底部的承托，利于实现与驱动源1的壳体的固定连接；具体的，这里环形支撑台403a与驱动源1的壳体通过螺钉固定；整体结构简单。

本实施例中，所述固定外导向套402内壁的底部设有径向向内延伸的环形凸台402a，所述环形凸台402a与环形支撑台403a之间留有缝隙402b；通过形成的环形凸台402a可以作为气囊本体401底部的承托部，利于轻量化设计；设置的缝隙402b可以也可以作为气囊本体401外接气管的布置通道(图中未示处气管)。

本实施例中，所述环形凸台402a沿周向均布设置有多个固定支耳402c，所述固定支耳402c与驱动源1的壳体固定连接；通过设置多个固定支耳402c，利于实现与驱动源1的壳体固定连接，保证连接可靠性。

本实施例中，所述转动杆2的外壁上设有沿自身长度方向布置的导向槽201，所述座体301同轴滑动外套设置于转动杆2上，并在座体301的孔壁上设有与导向槽201滑动配合的导向键301a；具体的，这里导向槽201为对称布置在转动杆2上的两组；该结构设计简单，结构可靠，利于保证座体301在转动杆2上的顺利可靠滑动。

本实施例中，所述转动杆2的顶部设有环形上限位台202，所述座体301的孔壁上设有环形下限位台301b，所述回位弹簧5外套设置于转动杆2上；且回位弹簧2的一端抵接在环形上限位台202上，另一端抵接在环形下限位台301b上；该结构设计中回位弹簧5布置紧凑性好，运行可靠性好。

本实施例中还公开了一种汽车座椅，包括多组如上述所述的按摩机构；参见图5，具体的，这里设置为六组；按摩机构具体布置时，可将按摩机构的驱动源(一般为驱动电机)的壳体固定安装在座椅内部骨架上的合适位置，这里六组按摩机构以三组为一列布置为两列；本汽车座椅能够实现较好的按摩效果，结构简单，利于减少生产成本。

上述的汽车座椅具体运用时可按如下工作原理进行实施：

当乘员靠在座椅靠背上，可通过座椅控制器控制气泵的启停，通过气管给气囊本体401充气，推动按摩组件3向前做顶出动作，回位弹簧5压缩。当乘员离开座椅靠背时，气泵打开泄气阀，气囊本体401泄气，回位弹簧5在转动杆2的导向下回复，推动按摩组件3回缩。机械按摩头顶出的力度可以通过压力传感器垫检测乘客靠在上面的压力，从而在控制器设定的程序上实现。在驱动电机的作用下，带动转动杆2转动，从而带动按摩组件3作旋转运动。控制器还可以控制多组按摩机构各自的驱动电机做独立正反转运动，从而提供更多按摩模式，更直接、有效地对肌肉群进行深度按摩。

最后说明的是，以上实施例仅用以说明本实用新型的技术方案而非限制，尽管参照较佳实施例对本实用新型进行了详细说明，本领域的普通技术人员应当理解，可以对本实用新型的技术方案进行修改或者等同替换，而不脱离本实用新型技术方案的宗旨和范围，其均应涵盖在本实用新型的权利要求范围当中。

Specific embodiment

The following illustrates the embodiment of the utility model through specific specific examples, and personnel skilled in the field can easily understand the other advantages and effects of the utility model from the contents disclosed in this specification. The utility model can also be implemented or applied through different specific embodiments, and the details in this specification can also be modified or changed based on different views and applications, without deviating from the spirit of the utility model. It should be noted that the figures provided in the following embodiments are only used to illustrate the basic concept of the present invention, and the following embodiments and the features in the embodiments may be combined with each other without conflict.

Referring to FIG. 1-5, a massage mechanism is disclosed in this embodiment, comprising a drive source 1, a rotating rod 2, a massage head assembly 3 and an airbag member 4, wherein:

The drive source 1 has an output terminal for the output torque, where the drive source 1 adopts a drive motor, and the output shaft of the drive motor is used for the output of the output torque;

The rotating rod 2 is connected to the output of the driving source 1, specifically, the rotating rod 2 is directly fixed connected with the output shaft of the driving motor, that is, the rotation of the rotating rod 2 is driven by the driving motor;

The massage head assembly 3 comprises a seat 301 and at least one massage head 302 arranged on the seat 301, and the seat 301 is arranged on the rotating rod 2 in such a way that it can rotate synchronously with the rotating rod 2 and can be driven to move along the single degree of freedom in the direction of the axis of the rotating rod 2; Specifically, here the massage head 302 is two symmetrically set, of course, in other embodiments it can be set as other numbers as needed; The structure of the massage head is the same as that of the existing seat mechanical massage structure, which will not be repeated here; When the rotating rod 2 rotates, the massage head 302 can rotate around the rotating rod 2 at the same time, so as to achieve deep massage of the human body;

the airbag member 4, including the airbag body 401, the airbag body 401 is configured to be able to expand or contract in the direction of the rotating rod 2 axis, so as to drive the seat body 301 to move along the direction of the rotating rod 2 axis; It is understandable that the airbag body 401 can be connected with the air source and completed the inflation and deflation of the airbag body 401 by means of air pump control, so as to quickly realize the expansion and contraction of the airbag body 401, and the airbag body 401 generally adopts rubber air bags, etc.;

The massage mechanism provided in the above structure has a good massage effect, which can help improve the comfort evaluation of different drivers and passengers, and at the same time, the structure is simple, which is conducive to reducing production costs. Specifically, the massage head assembly 3 in this massage mechanism can adjust the ejection height position of the massage head 302 under the action of the airbag component 4, so as to adapt to the massage intensity needs of different drivers and passengers, and can more directly and effectively perform deep massage on the muscle groups. It can help improve the comfort evaluation of different drivers and passengers; At the same time, the seat body 301 of the massage head assembly 3 is driven and moved by the airbag component 4, and the airbag can be quickly expanded and contracted by inflating and deflating, which is convenient to control, which is conducive to simplifying the structure, reducing production costs, and is conducive to market promotion; In addition, in specific application, the specific pressure value can be detected by setting up a pressure sensor at the end of the massage head 302, and then adjusting the position of the massage head 302 by actively controlling the inflation inside the airbag, so as to meet the needs of different drivers and passengers for the use of massage strength; In addition, the structure has good compactness and small space occupation, which is conducive to the arrangement in the seat body; Reliable structure and good durability.

In the present embodiment, a return spring 5 is also included, and the return spring 4 is arranged between the top of the rotating rod 2 and the seat 301, which is used to provide the return force of the seat body 301 when the airbag body 401 is in a contracted state; By setting the return spring 5, when the massage function is not needed, the seat body 301 can automatically retract under the action of the return spring 5 return force, and drive the massage head 302 to retract back, so as not to affect the flatness of the back of the seat and other products, and ensure the comfort of the seat and other products when the massage function is not used; Of course, the return spring 5 itself has a certain buffering performance, which is conducive to further improving the adaptive adjustment function of the ejection position of the massage head 302, so as to further improve the massage effect of the massage mechanism and meet the needs of different drivers and passengers.

In the present embodiment, the airbag member 4 also comprises a fixed outer guide sleeve 402, a fixed inner guide sleeve 403 and an upper substrate 404 arranged coaxially, the fixed inner guide sleeve 403 and the rotating rod 2 are coaxially arranged, the upper substrate 404 single degree-of-freedom sliding jacket is arranged in a fixed inner guide sleeve 403, and the upper substrate 404, a fixed inner guide sleeve 403 and a fixed outer guide sleeve 402 form a guide space 4a for limiting the expansion or contraction deformation direction of the airbag body 401. the seat body 301 is offset on the top surface of the upper substrate 404 under the action of the return spring 5; It should be noted that the "fixed" in the fixed outer guide sleeve 402 and the fixed inner guide sleeve 403 here means that the fixed external guide sleeve 402 and the fixed inner guide sleeve 403 themselves are fixed in the fixed position; The fixed outer guide sleeve 402 and the fixed inner guide sleeve 403 are expanded or contracted and deformed in the interlayer formed by the two. When the airbag body 401 is inflated and expanded, the upper substrate 404 is pushed outward, and then the seat body 301 is pushed to move, so that the massage head 302 protrudes outward; the "outward" mentioned in this paragraph is the top direction of the rotating rod 2; By setting up the upper substrate 404, the seat 301 can rotate on the upper substrate 404 without directly contacting the airbag body 401, which is conducive to ensuring the durability of the airbag body 401 and ensuring the smooth rotation of the seat 301.

In the present embodiment, a plurality of balls 6 is arranged along the circumferential direction of the rotating rod 2 between the top surface of the upper substrate 404 and the bottom surface of the seat body 301; Specifically, here are multiple ball 6 evenly distributed settings; Ball 6 can be set on the upper substrate 404 or on the seat 301; By setting a ball 6, it is conducive to reducing the friction between the upper substrate 404 and the seat 301, thereby further improving the rotation smoothness of the seat 301 and improving the service life.

In the present embodiment, the lower part of the fixed inner guide sleeve 403 is provided with a radially raised annular support table 403a, the annular support table 403a is fixedly connected with the shell of the drive source 1, and the air bag body 401 jacket is fixed inner guide sleeve 403 and supported on the annular support platform 403a; By arranging the ring support table 403a is conducive to the formation of support for the bottom of the airbag body 401, which is conducive to the fixed connection with the housing of the driving source 1; Specifically, here the housing of the ring support table 403a and the drive source 1 is fixed by screws; The overall structure is simple.

In the present embodiment, the bottom of the inner wall of the fixed outer guide sleeve 402 is provided with a radially inward extension ring boss 402a, and a gap 402b is left between the ring boss 402a and the ring support platform 403a; The annular boss 402a formed by it can be used as the support part of the bottom of the airbag body 401, which is conducive to lightweight design; The gap 402b can also be used as an arrangement channel for the external trachea of the airbag body 401 (the trachea is not shown in the figure).

In the present embodiment, the annular boss 402a is evenly distributed along the circumferential direction and is provided with a plurality of fixed lugs 402c, and the fixed lug 402c is fixedly connected with the housing of the driving source 1; By setting up multiple fixed lugs 402C, it is conducive to the fixed connection of the housing with the drive source 1 and ensure the reliability of the connection.

In the present embodiment, the outer wall of the rotating rod 2 is provided with a guide groove 201 arranged along its own length, the seat body 301 coaxial sliding jacket is arranged on the rotating rod 2, and the guide key 301a is provided on the hole wall of the seat 301 sliding and matching with the guide groove 201; Specifically, here the guide groove 201 is two groups symmetrically arranged on the rotating rod 2; The structure is simple and reliable, which is conducive to ensuring the smooth and reliable sliding of the seat body 301 on the rotating rod 2.

In the present embodiment, the top of the rotating rod 2 is provided with a ring upper limit table 202, the hole wall of the seat body 301 is provided with a ring lower limit table 301b, and the return spring 5 jacket is arranged on the rotating rod 2; And one end of the return spring 2 is offset on the annular upper limit table 202, and the other end is offset on the annular lower limit stage 301b; In this structural design, the return spring 5 has good compactness and good operating reliability.

A car seat is also disclosed in the present embodiment, comprising a plurality of groups of massage mechanisms as described above; See Figure 5, specifically, here it is set as six groups; When the massage mechanism is specifically arranged, the shell of the driving source of the massage mechanism (generally the drive motor) can be fixed and installed in a suitable position on the internal skeleton of the seat, and the six groups of massage mechanisms are arranged in two columns in three groups; This car seat can achieve a good massage effect, simple structure, and is conducive to reducing production costs.

The specific application of the above-mentioned car seats can be implemented according to the following working principles:

When the occupant leans on the seatback, the start and stop of the air pump can be controlled through the seat controller, and the airbag body 401 can be inflated through the air pipe, pushing the massage assembly 3 forward to do an ejection action, and the return spring 5 is compressed. When the occupant leaves the seatback, the air pump opens the deflation valve, the airbag body 401 deflates, and the return spring 5 recovers under the guidance of the rotating lever 2, pushing the massage assembly 3 to retract. The force of the mechanical massage head can be detected by the pressure sensor pad against which the passenger is leaning on it, so as to achieve it on the program set by the controller. Under the action of the drive motor, the rotating rod 2 is driven to rotate, so as to drive the massage assembly 3 to perform rotational motion. The controller can also control the independent forward and reverse movements of the respective drive motors of multiple sets of massage mechanisms, so as to provide more massage modes and perform deep massage of muscle groups more directly and effectively.

Finally, it is stated that the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it, although the present utility model is described in detail with reference to the better embodiments, ordinary personnel skilled in the field should understand that the technical scheme of the present utility model can be modified or equivalent to replace, without deviating from the purpose and scope of the technical solution of the present utility model, and it should be covered within the scope of the claims of the present model.