具体实施方式

为使本实用新型的上述目的、特征和优点能够更加明显易懂，下面结合附图对本实用新型的具体实施方式做详细的说明。在下面的描述中阐述了很多具体细节以便于充分理解本实用新型。但是本实用新型能够以很多不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本实用新型内涵的情况下做类似改进，因此本实用新型不受下面公开的具体实施的限制。

在本实用新型的描述中，需要说明的是，除非另有明确的规定和限定，术语“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接，可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通，也可以是“传动连接”，即通过带传动、齿轮传动或链轮传动等各种合适的方式进行动力连接。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本实用新型中的具体含义。

参考附图1-6，一种具有P挡手动解锁装置的自动变速器，包括变速器换挡轴2和操纵杆1，变速器换挡轴2的一端设为控制端21，控制端21至少包括一个受力面211，受力面211为平面，操纵杆1整体为杆状，操纵杆1的一端设有贯穿其上的控制孔111，控制端21贯穿控制孔 111，控制孔111的内壁至少包括一个施力面1111，施力面1111与受力面211贴合；旋转操纵杆1，施力面1111将扭矩传递至受力面211，从而实现驱动变速器换挡轴2旋转。具有P挡手动解锁装置的自动变速器还包括执行器安装支架4和安装于执行器安装支架4上的电子换挡执行器3，变速器换挡轴2顶端与电子换挡执行器3的输出轴连接。

本实施方式中，操纵杆1为新增结构，具体为：基于变速器换挡轴 2的结构，在其上部加装操纵杆1，操纵杆1直接作为自动变速器的一个零件，在进行自动变速器组装时，就直接将操纵杆1套装于变速器换挡轴2的上部(即控制端21)，通过平面结构的受力面211和平面结构的施力面1111配合实现力矩的传递。操纵杆1的设置，不影响自动变速器的整体性能，无需对其它零件的结构及位置进行改进。

需要说明的是，控制端21并非为变速器换挡轴2的最顶端，而是靠近顶部的位置，变速器换挡轴2的顶端与电子换挡执行器3的输出轴连接。变速器换挡轴2的底端与换挡拨叉相连。

正常情况下，依靠电子换挡执行器3驱动变速器换挡轴2旋转完成挡位切换。

当汽车出现故障，如出现电池缺电、整车通信障碍、电子换挡控制器或电子换挡执行器3失效等情况时，电子换挡执行器3无法驱动变速器换挡轴2旋转完成挡位切换，此时，直接对操纵杆1施力，旋转操纵杆1，施力面1111将扭矩传递至受力面211，从而实现驱动变速器换挡轴2旋转，即，操纵杆1旋转时驱动变速器换挡轴2旋转完成挡位切换。整个过程，无需借助外来工具，即可实现了外置式电子换挡P挡手动解锁的功能，操作方便，可靠性好。

因此，利用本实用新型一种具有P挡手动解锁装置的自动变速器，在不影响产品性能和无需借助外来工具的前提下，不仅实现了外置式电子换挡P挡手动解锁的功能，操作方便，可靠性好。

根据本实用新型的具体实施方式，控制端21包括两个相对的受力面211，控制孔111包括两个分别与两个受力面211贴合的施力面1111。本实施方式，通过设置两个受力面211，利于有效传递力矩。

根据本实用新型的具体实施方式，操纵杆1包括：圆盘状的套接部 11和与套接部11相连的把手部12，控制孔111设于套接部11，把手部 12整体为杆状。圆盘状的套接部11利于与变速器换挡轴2配合，杆状的把手部12利于手持操作。

根据本实用新型的具体实施方式，把手部12的远离套接部11的一端倒圆，套接部11和把手部12之间光滑连接。该结构利于避免应力集中，同时提高使用时的舒适度。

根据本实用新型的具体实施方式，操纵杆1由金属材料一体成型。该方案利于提高操纵杆1的整体性能。

根据本实用新型的具体实施方式，操纵杆1长度为50-80mm。把手部12整体为直杆状(如图2所示)，或把手部12整体为阶梯杆状(如图3和图4所示)。在实际应用中，可根据自动变速箱的实际操作空间灵活设计操纵杆1的长度和造型。需要说明的是，把手部12整体为阶梯杆状的结构包括图3和图4中示出的两种结构，当然还可以为其它阶梯杆状的结构。

根据本实用新型的具体实施方式，变速器换挡轴2和操纵杆1之间焊接相连。通过在操纵杆1与变速器换挡轴2接触面处进行点焊处理，可避免因操纵杆1晃动而产生噪声的问题。当然还可采用其它方式实现变速器换挡轴2和操纵杆1之间的固定相连，比如，通过控制孔111 与控制端21过盈配合，实现变速器换挡轴2和操纵杆1之间的固定相连。

与相关技术相比，本实用新型基于现有自动变速箱进行改进，结构简单，实用性强。利用本实用新型一种具有P挡手动解锁装置的自动变速器，在不影响产品性能和无需借助外来工具的前提下，不仅实现了外置式电子换挡P挡手动解锁的功能，还满足了可靠性和可操作性的要求。

虽然结合附图描述了本实用新型的实施方式，但是本领域技术人员可以在不脱离本实用新型的精神和范围的情况下做出各种修改和变型，这样的修改和变型均落入由所附权利要求所限定的范围之内。

Mode of execution

In order to make the above objects, features and advantages of the present disclosure more comprehensible, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms than those described herein, and it will be apparent to those skilled in the art that similar modifications may be made without departing from the scope of the present invention.

In the description of the present disclosure, unless expressly stated and defined otherwise, the terms' connected, '' connected, 'and' connected ' are to be construed broadly, and may be, for example, fixedly connected, removable, or integrally connected. The utility model can be a mechanical connection or an electric connection, can be directly connected or indirectly connected through an intermediate medium, can be communicated with the inside of the two elements, and can also be a 'transmission connection', that is, through belt transmission. The power connection is carried out in various suitable manners, such as gear transmission or chain wheel transmission. It will be understood by those skilled in the art that the specific meanings of the above terms in the present invention may be specifically understood.

To FIG. 1-6, an automatic transmission with P-gear manual unlocking device includes a transmission shift shaft 2 and a lever 1, and the control end 2 includes at least one stress surface 21, a control hole 21 penetrating therethrough, a control end 211 penetrating through the control hole 211, and a force applying surface 1 attached to the force receiving surface 1 111 through the control hole. The control hole 1111 111 is provided with an 111 211 actuating surface 21 1111. The rotating lever 1 and the force application surface 1111 transmit torque to the force receiving surface 211, so as to rotate the transmission shifter shaft 2. The automatic transmission having P manual unlocking means further includes an actuator mounting bracket 4 and an electronic shift actuator 4 mounted on the actuator mounting bracket 3, and a top end of the transmission shift shaft 2 is connected to an output shaft of the electronic shift actuator 3.

In the present embodiment, the joystick 1 is a new structure, and specifically, the lever 2 is added to the upper portion of the transmission shift shaft 1, and the lever 1 is directly attached to the upper portion of the transmission shift shaft 1 (that is, the control end 2) via the force receiving surface 21 of the planar structure and the force surface 211 1111 of the planar structure. The operation lever 1 does not affect the overall performance of the automatic transmission, and the structure and the position of other parts are not improved.

Note that the control end 21 is not the uppermost end of the transmission shift shaft 2 but is close to the top, and the top end of the transmission shift shaft 2 is connected to the output shaft of the electronic shift actuator 3. The transmission shifter shaft 2 has a bottom end connected to a shift fork.

Normally, gear shifting is completed by driving the transmission shift shaft 3 to rotate by the electronic shift actuator 2.

When a vehicle fails, a battery failure occurs, for example. When the whole vehicle communication barrier, the electronic shift controller, or the electronic shift actuator 3 fail, the electronic shift actuator 3 cannot drive the transmission shift shaft 2 to rotate to complete the gear switching, and the operation lever 1 and the force application surface 1 transmit torque to the force receiving surface 1111 1 to rotate the transmission shift shaft 2 211 when the lever 2 is rotated. The whole process can realize the manual unlocking function of the external electronic gear shifting P without the help of external tools, and is convenient to operate and good in reliability.

, The automatic transmission with P-gear manual unlocking device not only realizes the manual unlocking function of the external electronic gear shifting P without influencing the product performance and does not need external tools, but also is convenient to operate and good in reliability.

To the specific embodiment of the utility model, the control end 21 comprises two opposite force bearing surfaces 211, and the control hole 111 comprises two force applying surfaces 211 respectively attached to the two stress surfaces 1111. To the embodiment, by arranging the two stress surfaces 211, the torque can be effectively transmitted.

To the embodiment of the utility model, the operating lever 1 comprises a disc-shaped sleeve part 11 and a handle part 11 connected with the sleeve part 12, the control hole 111 is arranged on the sleeve part 11, and the whole hand 12 is rod-shaped. The disk-shaped sleeve portion 11 facilitates engagement with the transmission shift shaft 2, and the rod-shaped grip portion 12 facilitates hand-held operation.

To the embodiment of the utility model, one end of the hand 12 far away from the sleeve part 11 is rounded, and the sleeve part 11 and the handle part 12 are smoothly connected. This structure does benefit to avoiding stress concentration, improves the comfort level when using simultaneously.

To the embodiment of the utility model, the operating lever 1 is integrally formed of a metal material. This solution is advantageous to improve the overall performance of the operating lever 1.

To the embodiment of the utility model, the length of the handle 1 is 50 - 80 mm . the whole hand 12 is directly rod-shaped (shown 2), or the whole hand 12 is stepped rod-shaped (shown 3 and 4), and in practical application, the length and the shape of the operating rod 1 can be flexibly designed according to the actual operating space of the automatic gearbox. Note that the structure in which the handle portion 12 is integrally formed in a stepped rod shape includes two structures shown 3 and 4, and may of course be other stepped bar-shaped structures.

To a specific embodiment of the present invention, the transmission shift shaft 2 and the operating lever 1 are welded together. By performing spot welding at the contact surface of the lever 1 and the transmission shift shaft 2, a problem of noise caused by shaking of the joystick 1 can be avoided. Of course, a fixed connection between the transmission shift shaft 2 and the lever 1 may be implemented in other ways, for example, by an interference fit of the control hole 111 with the control end 21 to achieve a fixed connection between the transmission shift shaft 2 and the lever 1.

Compared with the prior art, the utility model discloses based on current automatic gearbox to improve, simple structure, the practicality is strong. To the automatic transmission with P-gear manual unlocking device, the function of manual unlocking of the external electronic gear shifting P is realized without influencing the product performance and without the help of external tools, and the requirements of reliability and operability are met.

While the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, all falling within the scope defined by the appended claims.