CN207229727U - A kind of manual gearshift and the manual transmission with the selector - Google Patents

Abstract

The utility model provides a manual gear shifter for improving the gear selection and shifting performance mechanism and a manual gearbox with the gear shifter. The manual shifter includes a shifter body, a gear selector arm, a shift arm and a movable selector shift assembly shaft mounted on the body. The key is that one end of the shift arm is connected to the selector shift assembly shaft. It is fixedly connected, and the other end is provided with a shift pillar for installing the shift cable. The shift arm is gradually inclined downward in the direction of the shift pillar from the selector shift assembly shaft; the select shift assembly shaft is also fixedly installed There is a gear shift counterweight; the gear selection arm is integrally connected by a joystick and a connecting rod at a predetermined angle; the free end of the connecting rod is connected with the gear selection assembly shaft through a pin shaft, and the steering rod The free end of the rod is provided with a gear selection pillar for installing the gear selection cable, and the junction of the joystick and the connecting rod is connected to the body through a pin; The joint of the connecting rod is away from the shifter body.

Description

A manual shifter and a manual transmission with the shifter

technical field

The utility model belongs to the field of manual gearboxes, in particular to a manual shifter and a manual gearbox.

Background technique

In recent years, the domestic passenger car market has developed vigorously, and users have higher and higher requirements for cars. They are no longer limited to means of transportation, and put forward higher requirements for the comfort and driving performance of the whole vehicle. Because the manual transmission has the advantages of strong sense of operation, obvious driving pleasure, high reliability, convenient maintenance and low price, its market share has always been in an absolute advantage. However, for domestic independent brands, manual transmission shifting Poor performance has always been the main problem complained by OEMs and the aftermarket, and it is also a problem that many domestic OEMs have not solved well for many years. How to optimize and improve the gear selection and shift performance of the gearbox and improve customer satisfaction with the product is an important issue that the engineers of the complete machine factory are concerned about.

Manual transmission is already a conventional and mature product, and technological innovation is slow. If a product is to be upgraded to a higher level, it involves a large investment in a country's manufacturing capacity and manufacturing capacity, and the effect is often minimal. Therefore, homogeneous competition is more serious In the passenger car market, how to improve the shifting performance of manual transmission at low cost and quickly is particularly important.

At present, the optimization and improvement of the shifting performance of manual transmissions mainly focuses on improving the shift fork assembly, synchronizer assembly of the transmission body, and the outer shifting mechanism of the vehicle. There are many parts involved, and the quality of these parts There is no linear relationship between parameters and shifting performance, which often brings many difficulties to troubleshooting and parameter optimization; improving the accuracy of parts often requires large investment and long cycle time, which often outweighs the gains.

Contents of the invention

The first purpose of this utility model is to propose a manual shifter with improved gear selection and shifting performance mechanism.

The manual shifter of the present utility model includes a shifter body, a shifter arm, a shifter arm, and a movable shifter assembly shaft mounted on the body. The key lies in the connection between one end of the shifter arm and the shifter The assembly shaft is fixedly connected, and the other end is provided with a shift pillar for installing the shift cable. The shift arm is gradually inclined downward from the direction of the gear shift assembly axial shift pillar; the shift select assembly shaft A shift counterweight is also fixedly installed; the gear selection arm is integrally connected by a joystick and a connecting rod at a predetermined angle; the free end of the connecting rod is connected with the shaft of the shifting assembly through a pin shaft, The free end of the joystick is provided with a gear selection pillar for installing the gear selection cable, and the junction of the joystick and the connecting rod is connected to the body through a pin; the joystick is provided with a bending section, and the free end of the joystick is relatively The junction of the joystick and connecting rod is away from the shifter body.

For a manual shifter, the driver's feedback from the manual shifter determines his satisfaction with the manual shifter. Generally speaking, the greater the above-mentioned force, the driver chooses The greater the operating force for shifting gears, the driver will feel that it is difficult to select and shift gears, and there is a certain sense of blockage. Increasing the lever ratio of the selection and shifting arms is beneficial to reduce the force during the operation process, and is conducive to weakening the sticking force during the selection and shifting process, which is conducive to improving the subjective satisfaction of the driver. However, increasing the lever ratio of the selector and shift arm is usually subject to certain restrictions: increasing the selector and shift lever ratio of the gearbox is based on the premise of space, and simply extending the length of a single component will undoubtedly increase the difficulty of space layout and lead to The expansion of the operating range of the outer shift handle does not conform to the driver's driving habits.

In view of the above problems, the utility model proposes that the shift arm gradually inclines downward from the direction of the shift pillar in the axial direction of the shift assembly, and that the joystick is provided with a bent section, and the free end of the joystick is smaller than the joystick and the connecting rod The solution is that the contact point of the switch is far away from the shifter body. When increasing the lever ratio of the selector and shift arms, the selector arm and the shift arm do not simply change the length of the straight line, but also try to make the selector arm and the shift arm protrude. The size of the body part of the shifter will not increase too much, which is beneficial to the spatial arrangement of the shifter, avoids interference with surrounding components, and at the same time greatly increases the feel of shifting gears.

Specifically, the ratio between the distance between the shaft of the selector shift assembly and the shift pillar and the length of the shift counterweight (that is, the ratio of the shift lever) is greater than 1.9; the ratio of the length of the joystick to the connecting rod (That is, the gear selection leverage ratio) is greater than 1.5.

Further, the top of the shift strut and the axis of the shift strut are flush with the top of the shift assembly shaft, so that the overall height of the manual shifter can be strictly controlled, which facilitates the installation of the manual shifter in the vehicle. on the installation.

The second purpose of the present utility model is to provide a manual transmission with the above-mentioned manual shifter.

The manual gearbox of the present utility model includes a gearbox body with a selector shift operating mechanism inside, the manual shifter is installed on the gearbox body, and the selector shift assembly shaft extends into the gearbox body and connects Gear shift mechanism connection. Integrating the manual shifter with the manual gearbox is beneficial to reduce the layout space and control the quality of the gearbox.

Through the improvement of the manual shifter, the utility model greatly improves the shifting performance under the premise of low cost, not only can enhance the driver's operating pleasure, improve the customer's satisfaction rate of the product, but also enhance the complete machine The competitiveness of the factory's products, expand the competitiveness of the market, and increase sales.

Description of drawings

Figures 1 and 2 are schematic diagrams of the structure of the manual shifter.

Fig. 3 is a structural schematic diagram of a manual transmission.

Drawings indicate: 1, the shifter body; 2, the gear selection arm; 21, the joystick; 22, the connecting rod; 23, the junction of the joystick and the connecting rod; 3, the gear shift arm; 5. Gear shift pillar; 6. Shift counterweight; 7. Gear selector pillar; 8. Pin shaft; 9. Gearbox body; 10. Gear selector arm support shaft.

Detailed ways

Below with reference to the accompanying drawings, through the description of the implementation examples, the specific embodiments of the present utility model, such as the shape, structure, mutual position and connection relationship between each part, the role and working principle of each part, etc. Further details.

Example 1:

As shown in the figure, the manual shifter of this embodiment includes a shifter body 1, a shifter arm 2, a shifter arm 3, and a movable shifter assembly shaft 4 mounted on the body. The key lies in the One end of the shift arm 3 is fixedly connected to the shaft 4 of the gear selection assembly, and the other end is provided with a shift pillar 5 for installing a shift cable. 5, the direction is gradually inclined downward; the shaft 4 of the gear selection assembly is also fixedly equipped with a shift weight 6; the gear selection arm 2 is integrally connected by a joystick 21 and a connecting rod 22 at a predetermined angle. The free end of the connecting rod 22 is connected with the shift assembly shaft 4 through the pin shaft 8, and the free end of the joystick 21 is provided with a gear selection pillar 7 for installing a gear selection cable, the joystick 21 and the connecting rod 22 is connected to the body through the gear selection arm bracket shaft 10; the joystick 21 is provided with a bent section, and the free end of the joystick 21 is farther away from the shifter body 1 than the junction 23 of the joystick 21 and the connecting rod 22 .

In order to increase the leverage ratio of the gear selection arm 2, the length a of the connecting rod 22 can be reduced, or the effective length a' of the joystick 21 can be increased. In this embodiment, the length a of the connecting rod 22 is changed from 30 mm to 27 mm ( The effective length a' of the joystick 21 is kept at 42mm), so that the lever ratio of the gear selection arm 2 is changed from 1.4 to 1.56. In order to increase the lever ratio of the shift arm 3, the effective length b of the shift arm 3 can be increased, or the effective length b' of the shift counterweight 6 can be reduced. In this embodiment, the effective length b of the shift arm 3 b is increased from 50mm to 55mm (the effective length b' of the shift weight 6 remains at 28.2mm), thereby increasing the lever ratio of the shift arm 3 from 1.77 to 1.95. By increasing the lever ratio of the selection and shift arm 3, it is beneficial to reduce the force during the operation, and to weaken the sticking force during the selection and shift process, which is conducive to improving the driving pleasure of the driver

In addition, the shift counterweight 6 is in the shape of a strip, which is gradually inclined downward from the position of the shift assembly shaft 4 toward its free end, so as to reduce the occupied space.

The manual gearbox of this embodiment includes a gearbox body 9 with a gear selection and shifting mechanism inside, the manual shifter is installed on the gearbox body 9, and the gear selection assembly shaft 4 extends into the gearbox body 9 It is inside and connected with the selector shift control mechanism.

In this embodiment, only by changing the length of the shift arm 3 and the connecting rod 22, the lever ratio of the shift arm and the shift arm can be changed, and there are few associated parts involved in the change. Adjust the length of the selection and shift cable accordingly to meet its function and layout. It is simple and convenient to implement. In addition, the assembly process of the whole vehicle does not need to be adjusted, and the original process flow is completely continued. Therefore, the patented scheme It has the advantages of less investment, less modification of related parts, short cycle, easy implementation and no impact on assembly, and has the advantages of fast switching and easy implementation.

Claims (4)

1. a kind of manual gearshift, including selector body, block selecting arm, gear arm and the mobilizable choosing being installed on body Gearshift assembly axis, it is characterised in that one end of the gear arm is fixedly connected with shifting assembly axis, and the other end, which is equipped with, to be used to pacify The gearshift pillar of gear-shifting bracing wire is filled, the gear arm is tilted gradually downward by shifting assembly axial shifting pillar direction；It is described Shifting assembly axis is also installed with gearshift clump weight；The block selecting arm is integral at a predetermined angle by control stick and connecting rod It is formed by connecting；The free end of the connecting rod is set by axis pin and shifting assembly axis connection, the free end of the control stick The gear selecting pillar of installation gear selecting bracing wire is useful for, the junction of control stick and connecting rod is connected by axis pin with body；The behaviour Vertical pole is equipped with bending segment, and the free end of control stick is compared with the junction of control stick and connecting rod away from selector body.

2. manual gearshift according to claim 1, it is characterised in that the length of the control stick and connecting rod ratio is more than 1.5。

3. manual gearshift according to claim 1 or 2, it is characterised in that the top of the gearshift pillar, gear selecting pillar Axis it is concordant with the top of shifting assembly axis.

4. a kind of manual transmission of the manual gearshift with described in claim 1, including it is internally provided with shifting operation machine The gearbox body of structure, the manual gearshift are installed on gearbox body, and shifting assembly axis extend into gearbox body It is interior and be connected with shifting operation mechanism.