CN113062974A

CN113062974A - Monostable knob selector

Info

Publication number: CN113062974A
Application number: CN202010003128.9A
Authority: CN
Inventors: 邹海洋; 李明; 谭火南; 朱玉珊
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2021-07-02
Anticipated expiration: 2040-01-02
Also published as: CN113062974B

Abstract

The invention provides a monostable knob gear shifter, which comprises a rotating shaft and a base, wherein the rotating shaft is arranged in the base, the rotating shaft can rotate clockwise or anticlockwise from a middle point position to a first point or a second point and can automatically return to the middle point position to realize the switching between P, R, N, D gears, the monostable knob gear shifter also comprises a key, an unlocking rod and an accommodating hole, the accommodating hole is arranged on the rotating shaft in a mode of penetrating along the vertical direction, the key is arranged in the accommodating hole and cannot rotate relative to the rotating shaft, one end of the unlocking rod is connected to the lower side of the key, the other end of the unlocking rod is provided with a first clamping part, and the base is provided with a second clamping part; when the key is not pressed down, the first clamping and stopping piece and the second clamping and stopping piece are clamped and stopped, and the rotating shaft cannot rotate relative to the base; when the key is pressed, the first clamping part and the second clamping part are separated, and the rotating shaft can rotate relative to the base. The monostable knob gear shifter is provided with an anti-misoperation design, and the safety of the gear shifter can be improved.

Description

Monostable knob selector

Technical Field

The invention relates to the field of automobiles, in particular to a monostable knob gear shifter.

Background

Currently, there are two main types of prior art knob shifters. The first is shown in FIG. 1, which has four absolute position gears, P, R, N, D. However, in order to make the position of the gears perceived by the consumer, each gear needs to be designed carefully to ensure that each gear has a different feel. In addition, such a rotary knob shifter cannot meet the requirements for automatic parking or automatic driving.

Secondly, as shown in fig. 2, it is a monostable structure, the middle point position (i.e. point O) of the shifter is a steady position, clockwise rotating from the middle point position can be moved to the L1 position, clockwise rotating from the middle point position can be moved to the L2 position, counterclockwise rotating from the middle point position can be moved to the R1 position, counterclockwise rotating from the middle point position can be moved to the R2 position, and the shifter can automatically return to the middle point position after clockwise or counterclockwise rotating, so that the shift between P, R, N, D gears of the shifter can be realized. The knob gear shifter can meet the requirements of automatic parking or automatic driving, but the knob gear shifter is not provided with a locking structure, and when a driver rotates a knob due to misoperation, the gear shifter can be shifted, so that traffic accidents are caused.

Disclosure of Invention

The invention aims to provide a monostable knob gear shifter which is provided with a locking structure so as to improve the safety of the gear shifter.

The invention provides a monostable knob gear shifter, which comprises a rotating shaft and a base, wherein the rotating shaft is arranged in the base in a rotatable mode, the rotating shaft can rotate to a first position point or a second position point from the middle point position clockwise or anticlockwise respectively and can automatically return to the middle point position to realize the switching between P, R, N, D gears, the monostable knob gear shifter also comprises a key, an unlocking rod and an accommodating hole, the accommodating hole is arranged on the rotating shaft in a mode of penetrating along the vertical direction, the key is arranged in the accommodating hole and cannot rotate relative to the rotating shaft, one end of the unlocking rod is connected to the lower side of the key, the other end of the unlocking rod is provided with a first clamping and stopping piece, and the base is provided with a second clamping and stopping piece matched with the first clamping and stopping piece;

when the key is not pressed down, the first clamping and stopping piece and the second clamping and stopping piece are clamped and stopped, and the rotating shaft cannot rotate relative to the base; when the key is pressed, the first clamping part and the second clamping part are separated, and the rotating shaft can rotate relative to the base.

Further, the second clamping stop is a right-angle groove, and the first clamping stop is a block body capable of being embedded into the right-angle groove.

Furthermore, a return spring is arranged in the containing hole and connected between the key and the base.

Furthermore, the key is provided with a guide rib extending along the vertical direction, the rotating shaft is provided with a guide groove matched with the guide rib, and the guide rib is embedded into the guide groove and can slide up and down in the guide groove.

Furthermore, the rotating shaft comprises a first part positioned above and a second part positioned below, the base is provided with a containing groove, the second part is rotatably inserted in the containing groove, and the first part is positioned outside the containing groove.

Further, the accommodation hole is opened in the first portion.

Furthermore, a bearing is arranged in the accommodating groove, an outer ring of the bearing is fixedly connected to the base, and the second part is inserted into an inner ring of the bearing.

Furthermore, a torsion spring is arranged in the accommodating groove, one end of the torsion spring is fixedly connected to the second part, and the other end of the torsion spring is fixedly connected to the base.

Furthermore, a gear shifting panel is sleeved outside the first part, and a P-gear key is installed on the gear shifting panel.

Furthermore, when the key is not pressed down, the upper end surface of the key is flush with the upper end surface of the rotating shaft;

when the key is pressed down, the upper end surface of the key is lower than the upper end surface of the rotating shaft.

The monostable knob gear shifter further comprises a key, an unlocking rod and an accommodating hole, wherein the accommodating hole is arranged on the rotating shaft in a penetrating mode along the vertical direction, the key is arranged in the accommodating hole and cannot rotate relative to the rotating shaft, one end of the unlocking rod is connected to the lower side of the key, the other end of the unlocking rod is provided with a first clamping and stopping piece, and the base is provided with a second clamping and stopping piece matched with the first clamping and stopping piece; when the key is not pressed down, the first clamping and stopping piece and the second clamping and stopping piece are clamped and stopped, and the rotating shaft cannot rotate relative to the base; when the key is pressed, the first clamping and stopping piece and the second clamping and stopping piece are separated, and the rotating shaft can rotate relative to the base, so that the monostable knob gear shifter is provided with a locking structure, and the safety of the gear shifter can be improved.

Drawings

FIG. 1 is a block diagram of a first prior art rotary knob shifter

FIG. 2 is a block diagram of a second prior art rotary knob shifter

Fig. 3 is a perspective view of a monostable knob shifter of an embodiment of the invention.

FIG. 4 is a cross-sectional view of the monostable knob shifter shown in FIG. 3

FIG. 5 is a top view of the monostable knob shifter shown in FIG. 3

FIG. 6 is a partial block diagram of the monostable knob shifter of FIG. 3

FIG. 7 is a partial block diagram of the monostable knob shifter of FIG. 3

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 3 and 4, the monostable knob shifter of an embodiment of the invention includes a rotary shaft 1 and a base 4. The rotating shaft 1 is rotatably installed in the base 4, and the rotating shaft 1 can rotate clockwise or counterclockwise from the middle point position to the first point or the second point respectively, and can automatically return to the middle point position to realize the switching between the P, R, N, D gears.

In the present embodiment, the rotary shaft 1 includes a first portion 1a located above and a second portion 1b located below, the first portion 1a and the second portion 1b are each formed in a columnar shape, and the outer diameter of the first portion 1a is larger than that of the second portion 1 b. The base 4 is provided with a receiving groove 42, and the second portion 1b is rotatably inserted in the receiving groove 42. The first portion 1a is disposed above the base 4 and outside the accommodating groove 42.

The bearing 2 is arranged in the accommodating groove 42, the outer ring of the bearing 2 is fixedly connected to the base 4, and the second part 1b is inserted into the inner ring of the bearing 2. The bearing 2 supports the second portion 1b of the rotating shaft 1, reduces the friction coefficient during the movement of the rotating shaft 1, and ensures the revolution accuracy thereof.

The monostable knob shifter further includes a key 6, an unlocking lever 7 and a housing hole 11. The housing hole 11 is provided in the rotating shaft 1 so as to penetrate in the vertical direction, and in the present embodiment, the housing hole 11 opens in the first portion 1 a. The key 6 is arranged in the containing hole 11 in a clearance fit mode, and the key 6 can move up and down in the containing hole 11. In addition, the key 6 cannot rotate relative to the rotating shaft 1, and specifically, as shown in fig. 6, a plurality of guide ribs 61 extending in the vertical direction are provided on the lower side of the key 6, a guide groove 12 matching with the guide ribs 61 is provided on the first portion 1a of the rotating shaft 1, the guide ribs 61 and the guide groove 12 are both located in the accommodating hole 11, and the guide ribs 61 are embedded in the guide groove 12, so as to limit the relative rotation between the key 6 and the accommodating hole 11. The guide rib 61 is also slidable vertically in the guide groove 12 to guide the vertical movement of the key 6.

When the key 6 is not pressed down, the upper end surface of the key 6 is flush with the upper end surface of the rotating shaft 1. When the push button 6 is pressed, the upper end surface of the push button 6 is lower than the upper end surface of the rotary shaft 1, so that the user can insert a finger into the accommodation hole 11 to rotate the rotary shaft 1.

One end of the lock release lever 7 is connected to the lower side of the key 6, and the other end of the lock release lever 7 is provided with a first locking piece 71. The base 4 is provided with a second catch 41 which cooperates with the first catch 71. In this embodiment, second retainer 41 is a right-angle groove having a wall extending vertically from bottom to top and then from back to front in the front-to-back direction. First stop 71 is a block that fits within the right-angle groove. When the push button 6 is not pushed down, the block is fitted into the right-angle groove, the first locking piece 71 and the second locking piece 41 are locked, and the rotary shaft 1 cannot rotate relative to the base 4. When the push button 6 is depressed, the block is disengaged from the right-angled groove, the first catch 71 and the second catch 41 are disengaged, and the rotary shaft 1 can be rotated relative to the base 4.

In addition, in order to enable the pressed key 6 to automatically reset, a return spring is further arranged in the accommodating hole 11 and connected between the lower end wall of the key 6 and the upper end wall of the base 4. When the key 6 is pressed down, the return spring is compressed; after the fingers are released, the key 6 is reset under the action of the return spring.

The first part 1a is also sleeved with a gear shifting panel 10. The shift panel 10 is provided with a P-range key 111. By pressing the P range key 111, the current range can be switched from the R, N, D range to the P range. In addition, a permanent magnet piece 3 is arranged at the lower end of the second part 1b, a PCB 8 is arranged below the permanent magnet piece 3, an angle sensor is arranged on the PCB 8, when the rotating shaft 1 rotates, the permanent magnet piece 3 rotates along the axis at the same time, and the angle sensor is matched with the permanent magnet piece 3 to identify the rotating angle of the rotating shaft 1.

Referring to fig. 7, a torsion spring 5 is sleeved on the outer periphery of the second portion 1b, and the torsion spring 5 is located in the accommodating groove 42. One end of the torsion spring 5 is fixedly connected to the second portion 1b, and the other end of the torsion spring 5 is fixedly connected to the base 4. The rotation shaft 1 at the first position or the second position is automatically returned to the middle position by the torsion spring 5.

When the push button 6 is not pushed down, the first locking piece 71 and the second locking piece 41 are locked, so that the unlocking lever 7 cannot rotate along the axis, the push button 6 and the rotary shaft 1 cannot rotate along the axis, the gear cannot be switched, and the safety of the shifter can be improved.

When the push button 6 is pressed, the lock release lever 7 slides downward, and the first locking piece 71 slides downward, so that the first locking piece 71 is disengaged from the second locking piece 41, and the push button 6, the lock release lever 7, and the rotary shaft 1 can rotate along the axis. The driver presses the key 6 and rotates the rotating shaft 1 counterclockwise by a certain angle, so that the functions of shifting from P gear to R gear, shifting from N gear to R gear and shifting from D gear to N gear can be realized; the driver presses the key 6 and rotates the rotating shaft 1 clockwise by a certain angle, so that the functions of shifting from the P gear into the N gear and shifting from the N gear into the D gear can be realized.

In summary, the monostable knob shifter of the present invention further includes a key 6, an unlocking lever 7 and a receiving hole 11, the receiving hole 11 is disposed in the rotating shaft 1 in a manner of penetrating in the vertical direction, the key 6 is disposed in the receiving hole 11 and cannot rotate relative to the rotating shaft 1, one end of the unlocking lever 7 is connected to the lower side of the key 6, the other end of the unlocking lever 7 is provided with a first locking piece 71, and the base 4 is provided with a second locking piece 41 which is engaged with the first locking piece 71; when the push button 6 is not pushed down, the first locking piece 71 and the second locking piece 41 are locked, and the rotating shaft 1 cannot rotate relative to the base 4; when the push button 6 is pushed, the first locking piece 71 and the second locking piece 41 are separated, and the rotating shaft 1 can rotate relative to the base 4, so that the monostable knob shifter of the invention is provided with a locking structure, and the safety of the shifter can be improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. Monostable knob shifter comprising a rotary shaft (1) and a base (4), the rotary shaft (1) being rotatably mounted in the base (4), the rotary shaft (1) being rotatable from a neutral position to a first position or a second position clockwise or anticlockwise respectively and being automatically returned to the neutral position to effect switching between P, R, N, D gears,

the monostable knob gear shifter further comprises a key (6), an unlocking rod (7) and an accommodating hole (11), wherein the accommodating hole (11) is formed in the rotating shaft (1) in a penetrating mode along the vertical direction, the key (6) is arranged in the accommodating hole (11) and cannot rotate relative to the rotating shaft (1), one end of the unlocking rod (7) is connected to the lower side of the key (6), the other end of the unlocking rod (7) is provided with a first clamping part (71), and the base (4) is provided with a second clamping part (41) matched with the first clamping part (71);

when the key (6) is not pressed down, the first clamping piece (71) and the second clamping piece (41) are clamped, and the rotating shaft (1) cannot rotate relative to the base (4);

when the push button (6) is pushed down, the first locking piece (71) and the second locking piece (41) are separated, and the rotating shaft (1) can rotate relative to the base (4).

2. Monostable knob shifter according to claim 1, characterized in that the second detent (41) is a right-angled groove and the first detent (71) is a block that can be embedded in the right-angled groove.

3. Monostable knob shifter according to claim 1, characterized in that a return spring is provided in the housing hole (11), which return spring is connected between the key (6) and the base (4).

4. Monostable knob shifter according to claim 1, characterized in that the key (6) is provided with a guide rib (61) extending in the up-down direction, the rotary shaft (1) is provided with a guide groove (12) cooperating with the guide rib (61), and the guide rib (61) is embedded in the guide groove (12) and can slide up and down in the guide groove (12).

5. Monostable knob shifter according to claim 1, characterized in that the rotation axis (1) comprises a first portion (1a) located above and a second portion (1b) located below, the base (4) being provided with a housing groove (42), the second portion (1b) being rotatably inserted inside the housing groove (42), the first portion (1a) being located outside the housing groove (42).

6. Monostable knob shifter according to claim 5, characterized in that the housing hole (11) opens into the first part (1 a).

7. Monostable knob shifter according to claim 5, characterized in that a bearing (2) is provided in the receptacle (42), the outer ring of the bearing (2) being fixedly connected to the base (4), the second portion (1b) being inserted in the inner ring of the bearing (2).

8. Monostable knob shifter according to claim 5, characterized in that a torsion spring (5) is provided in the accommodation groove (42), one end of the torsion spring (5) being fixedly connected to the second part (1b) and the other end of the torsion spring (5) being fixedly connected to the base (4).

9. Monostable knob shifter according to claim 5, characterized in that the first part (1a) is sheathed with a shift panel (10), the shift panel (10) being fitted with a P-range key (111).

10. Monostable knob shifter according to claim 1, characterized in that the upper end face of the key (6) and the upper end face of the rotary shaft (1) are flush when the key (6) is not depressed;

when the key (6) is pressed down, the upper end surface of the key (6) is lower than that of the rotating shaft (1).