WO2016004892A1

WO2016004892A1 - Anti-downhill apparatus, anti-downhill system, and vehicle

Info

Publication number: WO2016004892A1
Application number: PCT/CN2015/083747
Authority: WO
Inventors: 李学龙
Original assignee: 重庆力帆电喷软件有限公司
Priority date: 2014-07-11
Filing date: 2015-07-10
Publication date: 2016-01-14
Also published as: RU2650265C1; CN104097506A

Abstract

An anti-downhill apparatus, an anti-downhill system, and a vehicle, comprising: a shaft (5), said shaft being an input shaft or an intermediate shaft; an inner ring (4), a one-way apparatus (3), a movable outer ring (2) and a fixed outer ring (1); when the size of the shaft (5) allows same to directly fit into the one-way apparatus (3), the shaft (5) may substitute the inner ring (4). A necessary gap (H) is arranged between convex blocks (201) and concave grooves (101) between the movable outer ring (2) and the fixed outer ring (1), ensuring that the vehicle can smoothly engage gears. On the premise of normal use of the vehicle, the one-way apparatus (3) ensures that the transmission shaft (5) can only rotate forward, thus solving the problem in traditional vehicles of rolling downhill when starting on an incline, and also fundamentally solving the significant problem in automatic manual transmission (AMT) vehicles of difficult control when starting on an incline, which is preventing widespread use of AMT. When the vehicle is front-engine front-wheel drive, the anti-downhill apparatus is installed on the input shaft of the transmission; when the vehicle is front-engine rear-wheel drive, the anti-downhill apparatus is installed on the input shaft or the intermediate shaft.

Description

Anti-slope device, anti-slope system and vehicle

This application claims the priority of the Chinese patent application filed on July 11, 2014, the Chinese Patent Office, the application number is 201410330829.8, and the invention is entitled "A kind of anti-slope device, anti-slope system and vehicle". The citations are incorporated herein by reference.

Technical field

The present application relates to the technical field of motor vehicle power transmission, and in particular to an anti-slope system and a vehicle including the anti-slope device.

Background technique

For a manual vehicle, when the vehicle stops or starts to travel on an uphill section, a component of the parallel slope facing downward is generated due to the weight of the vehicle itself, that is, the slope resistance, which causes the vehicle to slide backward along the slope. This situation is extremely insecure. Therefore, for manual transmission vehicles, the driver must be coordinated with the parking brake, the clutch and the accelerator pedal when going uphill, but this series of operations is cumbersome and difficult to master, for the novice driver. It is not easy to say, and this inherent problem has become a major flaw in MT and AMT vehicles.

In summary, how to solve the problem that the motor vehicle slips on the slope while solving the problem of not easily hanging, has become an urgent problem to be solved by those skilled in the art.

Summary of the invention

In view of this, the purpose of the present application is to provide an anti-slope device to prevent a motor vehicle from slipping on a slope, and at the same time, it is easier to hang up.

Another object of the present application is to provide an anti-slope system including the anti-slope device, and a vehicle including the anti-slope system.

To achieve the above objective, the present application provides the following technical solutions:

An anti-slope device, comprising:

An inner ring, the inner ring of the inner ring is provided with an inner spline groove for mating with the transmission input shaft;

a unidirectional device, the inner ring of the one-way device can be fitted with the outer ring of the inner ring;

a movable outer ring, the inner ring of the movable outer ring is matched with the outer ring of the one-way device, and the outer ring is uniformly provided with a convex block;

Fixing an outer ring for fixing to the transmission, the inner ring of the fixed outer ring is evenly disposed with a groove engageable with the convex block, and in the circumferential direction of the fixed outer ring, the concave There is a preset gap H between the groove and the convex block.

Preferably, in the above-described anti-slope device, the width of the predetermined gap H is 0.5 to 1 times the width of the root of the convex block.

Preferably, in the above-described anti-slope device, the convex block has a rectangular shape, a trapezoidal shape, a triangular shape or a semicircular shape.

Preferably, in the above-described anti-slope device, the number of the convex blocks is 8 to 15.

Preferably, in the above-described anti-slope device, an input shaft of the transmission with an external spline is further included.

Preferably, in the above-described anti-slope device, the one-way device is a wedge type overrunning clutch or a ball type overrunning clutch.

Preferably, in the above-described anti-slope device, the fixed outer ring is provided with a mounting hole for mounting on the transmission.

Preferably, in the above-described anti-slope device, the number of the mounting holes is 1 to 5.

The present application also provides an anti-slope system comprising a clutch and a transmission that are sequentially driven, and the anti-slope device of any of the above is mounted on the transmission.

The application also provides a vehicle including the anti-slope system.

Compared with the prior art, the beneficial effects of the present application are:

In the anti-slope device provided by the present application, when used, the inner ring is set on the input shaft of the transmission and rotates together with the input shaft, and the one-way device is rotated with the inner ring, so that the one-way device rotates together. The outer ring is set on the outer ring of the one-way device, and the one-way device can only rotate in one direction relative to the outer ring of the movable, and when the one-way device is reversed, the active outer ring is driven to rotate in the opposite direction, but will be active After the convex block of the outer ring is engaged with the groove of the fixed outer ring, since the fixed outer ring is fixed on the transmission, the movable outer ring is locked and cannot be rotated, and the one-way device cannot be reversely rotated, thereby making the transmission input shaft Do not It can be rotated in the opposite direction to achieve the purpose of preventing slipping.

At the same time, in the anti-slope device of the present application, the groove and the convex block have a preset gap H in the circumferential direction, and the movable outer ring and the one-way device and the inner ring are in the process of stepping on the clutch. Moving together on the transmission input shaft and rotating with the transmission input shaft, when the convex block of the movable outer ring is close to the groove of the fixed outer ring, the convex block has a circumferential groove in the groove due to the preset gap H The direction of the displacement of the space, therefore, the probability of the convex block and the groove engaging the clamping position is increased, and the clutch can not be smoothly stepped due to the absence of the preset gap H, and can only wait for the outer ring of the activity to make another turn. Only then can the probability of a successful phenomenon occur. This makes the gears smoother.

In the anti-slope system provided by the present application, the anti-slope system adopts the anti-slope device provided by the present application, and the anti-slope device is mounted on the transmission and interlocked with the clutch. Thereby, the manual motor vehicle is provided with the function of preventing the slope.

The vehicle provided by the present application adopts the above-mentioned anti-slope system so that the vehicle does not slip on the slope.

DRAWINGS

In order to more clearly illustrate the embodiments of the present application or the solutions in the prior art, the following description of the embodiments or the drawings used in the prior art will be briefly introduced. Obviously, the drawings in the following description are merely Some embodiments of the present application can also obtain other drawings based on these drawings without departing from the skilled artisan.

1 is a schematic structural view of an anti-slope device according to an embodiment of the present application;

2 is a partially enlarged schematic view of an anti-slope device according to an embodiment of the present application;

3 is a schematic structural view of an inner ring of an anti-slope device according to an embodiment of the present application;

4 is a schematic structural view of a movable outer ring of an anti-slope device according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a fixed outer ring of an anti-slope device according to an embodiment of the present application.

1 to 5, 1 is a fixed outer ring, 101 is a groove, 102 is a mounting hole, 2 is a movable outer ring, 201 is a convex block, 3 is a unidirectional device, 4 is an inner ring, and 401 is inner. The spline groove, 5 is the input shaft of the transmission.

detailed description

The core of the application is to provide an anti-slope device that prevents the motor vehicle from slipping on the ramp and is more likely to be geared.

The present application also provides an anti-slope system using the anti-slope device, and a vehicle including the anti-slope system.

The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the drawings in the embodiments of the present application. It is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts are within the scope of the present application.

1 is a schematic structural view of an anti-slope device according to an embodiment of the present application; FIG. 2 is a partially enlarged schematic view of an anti-slope device according to an embodiment of the present application; A schematic structural view of an inner ring of an anti-slope device according to an embodiment of the present application; FIG. 4 is a schematic structural diagram of a movable outer ring of an anti-slope device according to an embodiment of the present application; A schematic structural view of a fixed outer ring of an anti-slope device.

The present application provides an anti-slope device comprising, in order from the inside to the outside, an inner ring 4, a unidirectional device 3, a movable outer ring 2 and a fixed outer ring 1. The inner ring of the inner ring 4 is provided with an inner spline groove 401 for fitting with the transmission input shaft 5 to rotate the inner ring 4 together with the transmission input shaft 5; the inner ring of the unidirectional device 3 can be external to the inner ring 4 The ring cooperates with the set so that the one-way device 3 rotates together with the inner ring 4; the inner ring of the movable outer ring 2 cooperates with the outer ring of the one-way device 3, so that the one-way device 3 can only rotate in one direction with respect to the movable outer ring 2, The outer ring of the movable outer ring 2 is uniformly provided with a convex block 201; the fixed outer ring 1 is fixed to the transmission, and the inner ring of the fixed outer ring 1 is uniformly provided with a groove 101 engageable with the convex block 201. The male block 201 and the groove 101 can be engaged and disengaged. After the engagement, the movable outer ring 2 is caught in the fixed outer ring 1 and cannot be rotated; and, in the circumferential direction of the fixed outer ring 1, the groove 101 is There is a predetermined gap H between the convex blocks 201, so that the convex block 201 can be displaced in the circumferential direction in the groove 101.

The working principle of the anti-slope device is: when the motor vehicle starts on the ramp, the clutch is stepped on the gear, and at this time, the inner ring 4 of the anti-slope device moves axially on the transmission input shaft 5 to drive the one-way. The device 3 moves together with the movable outer ring 2 to engage the convex block 201 of the movable outer ring 2 with the groove 101 of the fixed outer ring 1. At this time, the movable outer ring 2 is locked in the fixed outer ring 1 and cannot be rotated. In one direction Under the reverse blocking action of the device 3, the one-way device 3 does not rotate in the opposite direction with respect to the movable outer ring 2, thereby preventing the transmission input shaft 5 from being reversed and achieving the anti-slip effect. After the gear is completed, the foot is released from the clutch. At this time, the inner ring 4 returns along the original path on the transmission input shaft 5, and the unidirectional device 3 and the movable outer ring 2 are axially moved together, and the outer ring 2 is moved. The male block 201 is disengaged from the recess 101 of the fixed outer ring 1, and at this time, the movable outer ring 2 does not reversely block the transmission input shaft 5.

Moreover, the groove 101 and the convex block 201 have a preset gap H in the circumferential direction, and the movable outer ring 2 and the unidirectional device 3 and the inner ring 4 together on the transmission input shaft 5 are in the process of stepping off the clutch. Moving toward and rotating with the transmission input shaft 5, when the convex block 201 of the movable outer ring 2 is close to the groove 101 of the fixed outer ring 1, the convex block 201 has in the groove 101 due to the preset gap H The space displaced in the circumferential direction, therefore, the convex block 201 is more likely to be caught in the groove 101, increasing the probability that the convex block 201 and the groove 101 are engaged with each other, and the occurrence of the preset gap H is reduced. The clutch can't be stepped down smoothly, and can only wait until the outer ring 2 of the activity turns one more turn to engage the probability of success, so that the gear is smoother.

The preset gap H between the convex block 201 and the groove 101 is optimized. In the embodiment, the width of the preset gap H is 0.5 to 1 times the width of the root of the convex block 201, and the convex shape can be ensured. The block 201 is engaged with the groove 101 while providing sufficient space for the convex block 201 to be displaced in the circumferential direction in the groove 101. Of course, according to the specific fitting shape of the convex block 201 and the groove 101, the preset gap H can be appropriately adjusted, and is not limited to the above size range.

In a specific embodiment of the present application, the convex block 201 may be rectangular, trapezoidal, triangular, semi-circular, etc., correspondingly, the shape of the groove 101 coincides with the shape of the convex block 201, as long as the convex block can be realized. The engagement between the 201 and the groove 101 is sufficient.

The number of the convex blocks 201 is optimized, and the number of the convex blocks 201 may be any one of 8 to 15, and in the present embodiment, it is more preferably 12. Of course, as long as the locking action of the movable outer ring 2 and the fixed outer ring 1 can be satisfied, other numbers of convex blocks 201 can be used, and are not limited to the numerical ranges recited in the present application.

In the embodiment, the number of the grooves 101 is an integral multiple of the number of the convex blocks 201. When the number of the grooves 101 is equal to the number of the convex blocks 201, the circumferential angle between the adjacent grooves 101 is adjacent to each other. The circumferential angles between the convex blocks 201 are equal, and each corresponding meshing can be realized; when the number of the grooves 101 is convex When the number of the blocks 201 is twice, the circumferential angle between the two grooves 101 after the one groove 101 is equal to the circumferential angle of the adjacent two convex blocks 201, that is, between the adjacent two grooves 101 The circumferential angle is half of the circumferential angle between adjacent convex blocks 201. This arrangement increases the probability of engagement of the convex block 201 and the groove 101, and it is easier to achieve the hanging and prevent the smoothing action. Of course, in the case where the size of the convex block 201 and the groove 101 is allowed, the number of the grooves 101 may be three times the number of the convex blocks 201 or the like.

The anti-slope device is optimized. In the embodiment, the one-way device 3 adopts a wedge type overrunning clutch or a ball type overrunning clutch, as long as the one-way blocking clutch can be realized, after the anti-slope device is adaptively adjusted. , can be used here, these one-way clutches are sold in the market, the specific working principle and its structure will not be described here.

Further, the fixed outer ring 1 is provided with a mounting hole 102 for mounting on the transmission. Connect by bolts or screws. It is of course also possible to fix the fixed outer ring 1 directly to the transmission by bonding or welding.

In the present embodiment, the number of the mounting holes 102 is 1 to 5, and more preferably 3 or 4. As long as the fixing of the fixed outer ring 1 can be achieved.

The embodiment of the present application further provides an anti-slope system, comprising an engine, a clutch and a transmission which are sequentially connected and connected, and the transmission is equipped with the anti-slope device, the anti-slope device and the clutch described in all the above embodiments and technical solutions. In conjunction, the anti-slope device of the present application is preferably mounted on the outside of the transmission case for easy disassembly. Of course, it can also be mounted inside the transmission case. The application does not limit the installation position of the anti-slope device. The anti-slope device is set on the transmission input shaft 5, and is fixed on the side wall of the transmission case close to the clutch, and can also be fixed on the transmission case. Keep away from the side of the box on the side of the clutch. Since the anti-slope device is installed on the manual transmission of the anti-slope system, there is no slippage when the gear is engaged on the ramp.

The embodiment of the present application also provides a vehicle, including the anti-slope system described in all of the above embodiments and technical solutions. The vehicle with manual transmission can easily realize the anti-slope function on the slope.

In summary, the present application discloses an anti-slope device and an anti-slope system and a vehicle, including: a shaft, which may be an input shaft or an intermediate shaft; an inner ring, a unidirectional device, a movable outer ring, and a fixed outer ring. When the size of the shaft allows direct engagement with the inner ring of the one-way device, the shaft can replace the inner ring. Especially worth pointing out Yes, a necessary gap is provided between the convex block and the concave groove between the movable outer ring and the fixed outer ring to ensure that the vehicle can smoothly stop. Under the premise of meeting the normal use of the vehicle, the one-way device ensures that the transmission shaft can only rotate in the forward direction, thus completely solving the problem that the vehicle starts to fall back on the slope, which not only eliminates the matching of the traditional mechanical manual transmission (MT) vehicle. This inherent flaw is ubiquitous, and it also fundamentally solves the difficulty of matching the start of the ramp of the mechanical automatic transmission (AMT) vehicle, which hinders the popularization of AMT. And the anti-slope device can be installed in different positions according to different types of vehicles. When the vehicle is a front drive, the anti-slope device is installed on the input shaft of the transmission; when the vehicle is a front drive, the anti-slip The slope device can be mounted either on the input shaft or on the intermediate shaft.

The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments may be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to make or use the application. Various modifications to these embodiments are obvious to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the application is not limited to the embodiments shown herein, but is to be accorded the broadest scope of the principles and novel features disclosed herein.

Claims

An anti-slope device, comprising:

An inner ring (4), the inner ring of the inner ring (4) is provided with an inner spline groove (401) for mating with the transmission input shaft (5);

a unidirectional device (3), the one-way device (3) is sheathed to the inner ring (4);

a movable outer ring (2), the movable outer ring (2) is jacketed on the one-way device (3), and the outer ring is uniformly provided with a convex block (201);

Fixing the outer ring (1) for fixing to the transmission, the inner ring of the fixed outer ring (1) is evenly disposed with a groove (101) engageable with the convex block (201), and In the circumferential direction of the fixed outer ring (1), there is a preset gap H between the groove (101) and the convex block (201).
The anti-slope preventing device according to claim 1, wherein the predetermined gap H has a width of 0.5 to 1 times a width of a root portion of the convex block (201).
The anti-slope device according to claim 1, wherein the convex block (201) has a rectangular shape, a trapezoidal shape, a triangular shape or a semicircular shape.
The anti-slope prevention device according to any one of claims 1 to 3, characterized in that the number of the convex blocks (201) is 8 to 15.
The anti-slope device of claim 1 further comprising an input shaft of the transmission having an external spline.
The anti-slope device according to claim 1, characterized in that the one-way device (3) is a wedge type overrunning clutch or a ball type overrunning clutch.
The anti-slope device according to claim 1, characterized in that the fixed outer ring (1) is provided with a mounting hole (102) for mounting on the transmission.
The anti-slope device according to claim 7, wherein the number of the mounting holes (102) is 1 to 5.
An anti-slope system includes an engine and a transmission that are sequentially driven, and the transmission is mounted with the anti-slope device according to any one of claims 1-8.
A vehicle characterized by comprising the anti-slope system of claim 9.