阅读说明：本技术 一种at自动变速箱应急挡锁止装置 (AT automatic transmission emergency stop locking device ) 是由 王虎 周友国 平子维 付卫芳 王旭 黄进 张安东 吴志清 谭超 罗运江 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种AT自动变速箱应急挡锁止装置,包括弹簧片和应急外拉臂。弹簧片下端与油底壳连接,弹簧片上连接固定销。应急外拉臂下端与应急换挡轴连接,应急外拉臂设有相连通的偏心孔和销子孔。当不需要应急挂挡功能时,固定销插入销子孔。当需要应急挂挡功能时,采用随车工具插入偏心孔,将固定销拨出销子孔,并根据需要沿指定方向旋转应急外拉臂。当需要停止应急挂挡功能时,回转应急外拉臂,固定销再次插入销子孔。本发明结构可以保证AT自动变速箱应急挂挡功能不用时及时进行锁止,有效避免非正常操作对变速箱和车辆造成损伤,影响轮式车辆的机动性能；同时,利用随车工具即可实现AT自动变速箱的应急挂挡功能,操作方便。(The invention discloses an emergency stop locking device of an AT (automatic transmission) box, which comprises a spring piece and an emergency outer pull arm. The lower end of the spring piece is connected with the oil pan, and the spring piece is connected with the fixing pin. The lower end of the emergency outer pull arm is connected with the emergency gear shifting shaft, and the emergency outer pull arm is provided with an eccentric hole and a pin hole which are communicated. When the emergency gear engaging function is not required, the fixing pin is inserted into the pin hole. When the emergent function of putting into gear of needs, adopt driver tool to insert the eccentric orfice, dial the fixed pin out the pin hole to rotatory emergent outer single arm-drag of appointed direction is followed as required. When the emergency gear engaging function needs to be stopped, the emergency outer pull arm is rotated, and the fixing pin is inserted into the pin hole again. The structure of the invention can ensure that the emergency gear-engaging function of the AT automatic gearbox is locked in time when not used, thereby effectively avoiding the damage to the gearbox and the vehicle caused by abnormal operation and the influence on the maneuvering performance of the wheeled vehicle; meanwhile, the emergency gear engaging function of the AT automatic gearbox can be realized by utilizing a vehicle-mounted tool, and the operation is convenient.)

1. The utility model provides an emergent locking device that keeps off of AT automatic transmission which characterized in that: comprises the spring piece (1) and an emergency outer pull arm (2);

the lower end of the spring piece (1) is fixed on an oil pan of the gearbox, a fixing pin (3) is connected to the spring piece (1), and the fixing pin (3) is perpendicular to the plate surface of the spring piece (1) and is close to the upper end of the spring piece (1);

the lower end of the emergency outer pull arm (2) is connected with an emergency gear shifting shaft, the emergency gear shifting shaft is positioned under the spring piece (1) and is vertical to the plate surface of the spring piece (1), and the emergency outer pull arm (2) is positioned on one side, back to the gearbox body, of the spring piece (1);

the emergency outer pull arm (2) is provided with an eccentric hole (201) and a pin hole (202) for inserting a fixing pin (3), the length direction of the eccentric hole (201) is consistent with that of the emergency outer pull arm (2), the upper end of the eccentric hole (201) penetrates through the upper end face of the emergency outer pull arm (2), and the lower end of the eccentric hole (201) is communicated with the pin hole (202);

the eccentric hole (201) forms a gap on the side wall of the emergency outer pull arm (2) facing the spring piece (1), and the gap is arranged along the length of the eccentric hole (201);

when the emergency gear-engaging function of the AT is in a non-working state, the fixing pin (3) is inserted into the pin hole (202);

when the emergency gear engaging function needs to be started, a user inserts the eccentric hole (201) by using a vehicle-mounted tool, pulls the fixing pin (3) out of the pin hole (202), and rotates the emergency pull-out arm (2) in the appointed direction according to the requirement;

when the emergency gear engaging function needs to be stopped, the emergency outer pull arm (2) is rotated, and the fixing pin (3) is inserted into the pin hole (202) again.

2. The AT automatic transmission emergency stop device according to claim 1, wherein: one side of the emergency outer pull arm (2) facing the spring piece (1) is provided with two grooves (4), and the two grooves (4) are respectively positioned on two sides of the pin hole (202).

3. The AT automatic transmission emergency stop device according to claim 1 or 2, characterized in that: the lower end of the spring piece (1) is fixed with the oil pan through a plurality of bolts.

4. The AT automatic transmission emergency stop device according to claim 1 or 3, characterized in that: the spring piece (1) and the fixing pin (3) are fixed in a welding or riveting mode.

5. The AT automatic transmission emergency stop device according to claim 1, wherein: the emergency outer pull arm (2) is connected with the emergency gear shifting shaft through a flat key, and the emergency gear shifting shaft is screwed into the nut (5) and axially limited relative to the emergency outer pull arm (2).

6. The AT automatic transmission emergency stop device according to claim 1, wherein: the driver tool for pulling the fixing pin (3) is a screwdriver.

7. The AT automatic transmission emergency stop device according to claim 1, wherein: when the emergency gear engaging function is started, the emergency outer pull arm (2) rotates clockwise to reverse gear for emergency, and the emergency outer pull arm (2) rotates anticlockwise to forward gear for emergency.

Technical Field

The invention relates to the field of automobiles, in particular to an emergency gear locking device for an AT (automatic transmission).

Background

Present AT automatic transmission has used in small batch on wheeled vehicle, and in order to guarantee that the gearbox appears and put into gear (control system, circuit) trouble back vehicle can continue to travel, need increase emergent device of putting into gear on the gearbox, emergent outer arm-drag sets up in the gearbox outer end, and current emergent gear shifting is very easily caused the injury to the gearbox when the user operates improperly, brings unpredictable's damage for the vehicle, influences the mobility ability of vehicle.

Disclosure of Invention

The invention aims to provide an AT automatic gearbox emergency stop device to solve the problems in the prior art.

The technical scheme adopted for achieving the aim of the invention is that the emergency stop locking device of the AT comprises a spring piece and an emergency outer pull arm.

The lower extreme of spring leaf is fixed on the oil pan of gearbox, is connected with the fixed pin on the spring leaf, and the fixed pin perpendicular to the face of spring leaf just is close to the upper end of spring leaf.

The lower end of the emergency outer pull arm is connected with the emergency gear shifting shaft, the emergency gear shifting shaft is located under the spring piece and perpendicular to the plate surface of the spring piece, and the emergency outer pull arm is located on one side, back to the gearbox body, of the spring piece.

The emergency outer pull arm is provided with an eccentric hole and a pin hole for inserting a fixing pin, the length direction of the eccentric hole is consistent with that of the emergency outer pull arm, the upper end of the eccentric hole penetrates through the upper end face of the emergency outer pull arm, and the lower end of the eccentric hole is communicated with the pin hole.

The eccentric hole forms a gap on the side wall of the emergency outer pull arm facing the spring piece, and the gap is arranged along the length of the eccentric hole.

When the emergency gear-engaging function of the AT is in a non-working state, the fixing pin is inserted into the pin hole.

When the emergent function of putting into gear that starts when needs, the user adopts the driver tool to insert the eccentric orfice dials out the round pin hole with the fixed pin to follow the rotatory emergent outer arm that draws of appointed direction as required.

When the emergency gear engaging function needs to be stopped, the emergency outer pull arm is rotated, and the fixing pin is inserted into the pin hole again.

Furthermore, one side of the emergency outer pull arm facing the spring piece is provided with two grooves which are respectively positioned at two sides of the pin hole.

Furthermore, the lower end of the spring piece and the oil pan are fixed through a plurality of bolts.

Furthermore, the fixing mode of the spring piece and the fixing pin is welding or riveting.

Furthermore, the emergency outer pull arm is connected with the emergency gear shifting shaft through a flat key, and the emergency gear shifting shaft is screwed into the nut and axially limited corresponding to the emergency outer pull arm.

Further, the driver tool for driving the fixing pin is a screwdriver.

Further, when the emergency gear engaging function is started, the emergency outer draw arm rotates clockwise to reverse the gear for emergency, and the emergency outer draw arm rotates anticlockwise to forward the gear for emergency.

The invention has the beneficial effects that:

1. the structure of the invention can ensure that the emergency gear-engaging function of the AT automatic gearbox is locked in time when not used, thereby effectively avoiding the damage to the gearbox and the vehicle caused by abnormal operation and the influence on the maneuvering performance of the wheeled vehicle;

2. the emergency gear-engaging function of the AT automatic gearbox can be realized by using a vehicle-mounted tool, and the operation is convenient;

3. by means of the structural design of the side inclined plane of the emergency outer pull arm, the AT automatic gearbox can return to the original position after being put into gear in emergency.

Drawings

FIG. 1 is a schematic view of a locking device of the present invention;

FIG. 2 is a top view of the locking device of the present invention;

FIG. 3 is a schematic position diagram of the emergency outer pull arm 2 gear;

fig. 4 is a schematic diagram of the position of the emergency outer pull arm in reverse gear.

In the figure: the emergency outer pull arm comprises a spring piece 1, an emergency outer pull arm 2, an eccentric hole 201, a pin hole 202, a fixing pin 3, a groove 4 and a nut 5.

Detailed Description

The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.

Example 1:

the embodiment discloses an AT automatic transmission emergency stop locking device, which comprises a spring piece 1 and an emergency outer pull arm 2.

Referring to fig. 1, the lower end of the spring plate 1 is fixed on an oil pan of the gearbox by a plurality of bolts, the spring plate 1 is connected with a fixing pin 3 in a welding or riveting mode, and the fixing pin 3 is perpendicular to the plate surface of the spring plate 1 and close to the upper end of the spring plate 1.

Emergent outer arm-drag 2 adopts the parallel key to be connected with emergent gear shifting shaft, and emergent gear shifting shaft screw in nut 5 is spacing corresponding to emergent outer arm-drag 2 axial, and emergent gear shifting shaft is located under spring leaf 1 and perpendicular with the face of spring leaf 1, and emergent outer arm-drag 2 is located one side of spring leaf 1 back to the gearbox body.

The emergency outer pull arm 2 is provided with an eccentric hole 201 and a pin hole 202 for inserting the fixing pin 3, the length direction of the eccentric hole 201 is consistent with that of the emergency outer pull arm 2, the upper end of the eccentric hole 201 penetrates through the upper end face of the emergency outer pull arm 2, and the lower end of the eccentric hole 201 is communicated with the pin hole 202.

Referring to fig. 2, the eccentric hole 201 forms a gap on the side wall of the emergency outer pull arm 2 facing the spring plate 1, and the gap is arranged along the length of the eccentric hole 201.

One side of the emergency outer pull arm 2 facing the spring piece 1 is provided with two grooves 4, and the two grooves 4 are respectively positioned at two sides of the pin hole 202.

When AT automatic transmission's emergent function of putting into gear is in non-operating condition, fixed pin 3 inserts pin hole 202, carries out the locking to urgent outer single arm-drag 2, realizes the locking that the gearbox was emergent to be kept off, avoids the vehicle vibration to arouse emergent work of keeping off to lead to the condition that the gearbox double-gear burns out.

When the emergency gear engaging function needs to be started, a user inserts the eccentric hole 201 by using a vehicle-mounted tool, dials the fixing pin 3 out of the pin hole 202, rotates the emergency outer draw arm 2 in the designated direction as required, see fig. 4, rotates the emergency outer draw arm 2 clockwise for emergency reverse gear, rotates the emergency outer draw arm 2 counterclockwise for emergency forward gear, see fig. 3, and engages the emergency outer draw arm 2 with the gear 2. In the present embodiment, the driver for driving the fixing pin 3 is a screwdriver.

When the emergency gear engaging function needs to be stopped, the emergency outer pull arm 2 is rotated, the fixing pin 3 is inserted into the pin hole 202 again, the groove 4 is designed, the stress on the spring piece 1 in the return process can be prevented from being too large, and the AT automatic gearbox can return after the emergency gear engaging function is realized.

It is worth to be noted that, in the embodiment, the AT automatic transmission emergency gear engaging locking device is adopted, and the AT automatic transmission emergency gear engaging locking function is realized through the innovative matching design of the locking spring piece and the emergency outer pull arm, so that the emergency gear engaging of the transmission caused by abnormal operation when the transmission is not in gear can be effectively avoided; meanwhile, when the gearbox breaks down, the emergency gear-engaging function of the gearbox is realized, the normal running of a vehicle is not influenced, the emergency gear-engaging can be realized by using a vehicle-mounted tool, and the operation is convenient. The automatic transmission is convenient to return when parking, and special requirements of the AT automatic transmission are met. And the locking device is light and flexible, easy to install and convenient to operate.

Example 2:

the embodiment discloses an AT automatic transmission emergency stop locking device, which comprises a spring piece 1 and an emergency outer pull arm 2.

Referring to fig. 1, the lower end of the spring plate 1 is fixed on an oil pan of the transmission, a fixing pin 3 is connected to the spring plate 1, and the fixing pin 3 is perpendicular to the plate surface of the spring plate 1 and is close to the upper end of the spring plate 1.

The lower end of the emergency outer pull arm 2 is connected with the emergency gear shifting shaft, the emergency gear shifting shaft is located under the spring piece 1 and is perpendicular to the plate surface of the spring piece 1, and the emergency outer pull arm 2 is located on one side, back to the gearbox body, of the spring piece 1.

The emergency outer pull arm 2 is provided with an eccentric hole 201 and a pin hole 202 for inserting the fixing pin 3, the length direction of the eccentric hole 201 is consistent with that of the emergency outer pull arm 2, the upper end of the eccentric hole 201 penetrates through the upper end face of the emergency outer pull arm 2, and the lower end of the eccentric hole 201 is communicated with the pin hole 202.

Referring to fig. 2, the eccentric hole 201 forms a gap on the side wall of the emergency outer pull arm 2 facing the spring plate 1, and the gap is arranged along the length of the eccentric hole 201.

When the emergency gear-engaging function of the AT automatic transmission is in a non-operating state, the fixing pin 3 is inserted into the pin hole 202.

When the emergent function of putting into gear that starts when needs, the user adopts the driver's instrument to insert eccentric orfice 201, dials out pin hole 202 with fixed pin 3 to follow the emergent outer arm 2 that draws of appointed direction rotation as required.

When the emergency gear engaging function needs to be stopped, the emergency outer pull arm 2 is turned back, and the fixing pin 3 is inserted into the pin hole 202 again.

Example 3:

the main structure of this embodiment is the same as that of embodiment 2, further, referring to fig. 2, two grooves 4 are arranged on one side of the emergency outer arm 2 facing the spring plate 1, the two grooves 4 are respectively located on two sides of the pin hole 202, and the design of the grooves 4 can ensure that the stress on the spring plate 1 is not too large in the return process, which is beneficial to realizing the return of the AT automatic transmission after the emergency gear engagement.

Example 4:

the main structure of this embodiment is the same as embodiment 2, and further, the lower end of the spring plate 1 and the oil pan are fixed by a plurality of bolts.

Example 5:

the main structure of this embodiment is the same as that of embodiment 2, and further, the fixing manner of the spring plate 1 and the fixing pin 3 is welding or riveting.

Example 6:

the main structure of this embodiment is the same as embodiment 2, and further, the emergency outer pull arm 2 and the emergency shift shaft are connected by a flat key, see fig. 1 or 2, and the emergency shift shaft is screwed into the nut 5 to axially limit the emergency outer pull arm 2.

Example 7:

the main structure of this embodiment is the same as that of embodiment 2, and further, the driver for driving the fixing pin 3 is a screwdriver.

Example 8:

this embodiment major structure is with embodiment 2, and is further, when starting emergent gear shifting function, clockwise rotation emergent outer single arm-drag 2 is emergent reverse gear, and emergent outer single arm-drag 2 of counter-clockwise rotation is emergent the fender that advances.