Gear selection hand feeling device of manual transmission

Abstract

The utility model relates to a gear selecting hand feeling device of a manual transmission, which aims to solve the problem that the gear selecting hand feeling device of the manual transmission in the prior art is high in manufacturing and assembling cost. The utility model provides a gear selecting hand feeling device of a manual gearbox. The gear selecting hand feeling device comprises a control shell, a transverse gear shifting rod, a shifting block, a gear selecting shifting block, a hand feeling control block and a hand feeling pin. The transverse gear shifting rod is arranged in the control shell in a sliding and penetrating mode. One end of the gear selecting shifting block is installed on the shifting block, and the other end of the gear selecting shifting block is provided with a hand feeling control block. A rotary positioning shaft is arranged on the gear selecting shifting block; a hand feeling column head matched with the surface of the hand feeling control block is arranged on the hand feeling pin, and a hand feeling spring is arranged between the hand feeling column head and the control shell; corresponding gear selecting operation working faces are sequentially arranged on the face, matched with the hand feeling column head, of the hand feeling control block, and the gear selecting operation working faces are distributed in the circumferential direction of the rotary positioning shaft.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gear selecting device of automobile gearbox, in particular to a gear selecting hand feeling device of manual gearbox. BACKGROUND

[0002] The gear selecting hand feeling device of manual gearbox is an important component of the gearbox control system, which is directly related to the operation feeling and driving experience of the driver during gear shifting. With the continuous development of the automobile industry, the market competition is increasingly fierce, and the main machine factory not only requires the gearbox to have good operation comfort, but also requires to reduce the cost of the gearbox.

[0003] The Chinese patent with the application publication number CN103836177A discloses a gearbox gear selecting hand feeling device, which comprises a side cover installed on a gearbox control device shell, a first spring installed between the side cover and a transverse gear shifting rod, a locking pin fixed on the side surface of the side cover, a second spring and a baffle for extruding the second spring sleeved on the locking pin, and a groove capable of accommodating the locking pin is formed on the end of the transverse gear shifting rod. When the transverse gear shifting rod moves to extrude the first spring, the locking pin enters the groove on the end of the transverse gear shifting rod, and the transverse gear shifting rod pushes the baffle to move and compress the second spring. The hand feeling device is integrated in the gearbox control device, and the gearbox control device is slightly changed, the structure characteristics of the shift fork are simplified, the cost of parts is reduced, the reverse gear feeling is adjusted simply, only the side cover needs to be removed, the spring is adjusted, and the maintenance is convenient. The spring has a large expansion space, the R gear selecting force is reduced, and the gear selecting hand feeling is improved.

[0004] The existing problems of the above-mentioned prior art are that the gear selecting hand feeling device adopts an independent hand feeling control structure, and the design method leads to an increase in the number of required parts, and further increases the manufacturing and assembly costs. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem of high manufacturing and assembly costs of the gear selecting hand feeling device of the manual gearbox in the prior art, and provides a gear selecting hand feeling device of manual gearbox.

[0006] To achieve the above-mentioned purpose, the technical solution provided by the utility model is as follows:

[0007] A gear selecting hand feeling device of manual gearbox, which is characterized in that:

[0008] The operating shell, the transverse shift lever, the shift knob, the gear selection knob, the feel control block and the feel pin are included. The first limiting cavity, the second limiting cavity and the third limiting cavity are arranged in the operating shell and communicate with each other. The spring limiting seat is arranged on the second limiting cavity. The transverse shift lever is arranged in the first limiting cavity and the second limiting cavity and extends out of the operating shell at one end and is provided with the return spring between the other end and the spring limiting seat. The shift knob is arranged on the transverse shift lever. One end of the gear selection knob is arranged in the recess of the shift knob and the other end is arranged in the third limiting cavity and is provided with the feel control block at the bottom. The gear selection knob is connected with the rotating positioning shaft. The feel pin includes the feel pin head matched with the surface of the feel control block and the feel spring arranged between the feel pin head and the operating shell. The end surface of the feel control block matched with the feel pin head is provided with a plurality of working surfaces for controlling the feel. The plurality of working surfaces are distributed on the feel control block in sequence around the circumference of the rotating positioning shaft and correspond to different gear selection positions of the gear selection knob. The distance from the adjacent gear selection positions to the rotating positioning shaft is different and the adjacent working surfaces are circularly transitioned. When the gear selection knob rotates and determines the gear selection position, the end of the feel pin head is in contact with the corresponding working surface of the gear selection position and the feel spring is deformed.

[0009] Further, the working surface A corresponding to the 1 / R gear selection position, the working surface B corresponding to the 2 / 3 gear selection position, the working surface C corresponding to the 4 / 5 gear selection position, the working surface D corresponding to the 6 / 7 gear selection position and the working surface E corresponding to the 8 gear selection position are arranged in sequence around the circumference of the rotating positioning shaft on the contact surface of the feel control block and the feel pin head. The working surface A, the working surface C and the working surface E are cylindrical curved surfaces. The distance from an arbitrary point on the working surface A, the working surface C and the working surface E to the rotating positioning shaft is R1, R2 and R3 respectively. The working surface B and the working surface D are planes. R1=R3 and R1>R2.

[0010] Further, the guiding hole matched with the feel pin is arranged on the operating shell. The feel pin head and the feel spring are arranged in the guiding hole in sequence from inside to outside.

[0011] Further, the guiding hole is a stepped hole. The large end of the guiding hole is located on the outside of the shell and the small end is located on the inside of the shell. The tail of the feel pin head is provided with the positioning boss. The positioning boss is located on the large end of the guiding hole. The outer diameter of the positioning boss is matched with the outer diameter of the large end of the stepped hole. The diameter of the front part of the feel pin head is matched with the diameter of the small end of the guiding hole. The screw plug is arranged on the operating shell at the outer end of the guiding hole. The feel spring is located between the feel pin head and the screw plug.

[0012] Further, the tail of the feel pin head and the inner end of the screw plug are provided with the positioning recesses. The two ends of the feel spring are respectively abutted in the two positioning recesses.

[0013] Further, the front part of the hand feeling post is a spherical surface structure, which cooperates with a plurality of working surfaces arranged on the end surface of the hand feeling control block.

[0014] Further, the front part of the hand feeling post is provided with a mounting groove, a spherical ball is arranged in the mounting groove, the surface of the spherical ball constitutes the spherical surface structure, a plurality of balls are arranged between the surface of the mounting groove of the hand feeling post and the spherical ball, and the plurality of balls are arranged in a ball rack arranged on the hand feeling post.

[0015] Further, the selection shifting knob is provided with a flat key for fixing the relative positions of the rotating positioning shaft and the selection shifting knob, the transverse shifting lever is provided with a positioning protrusion at one end of the second limiting cavity, the reset spring is arranged on the positioning protrusion, and the positioning protrusion penetrates the spring limiting seat.

[0016] Further, the knob is arranged on the transverse shifting lever through a cylindrical pin, and the end of the transverse shifting lever extending out of the operating shell is provided with an oil seal and a bushing.

[0017] The hand feeling device for the manual gearbox is simple in structure, convenient in operation, and low in cost.

[0018] The function of the hand feeling control block is integrated on the selection shifting knob, the original independent hand feeling control block and a series of associated components are cancelled, the assembly process is simplified, and the production cost is reduced. DRAWINGS

[0019] Figure 1 It is a sectional structure schematic view of an embodiment of the hand feeling device for the manual gearbox.

[0020] Figure 2 It is a partial structure schematic view of the selection shifting knob and the hand feeling control block in the embodiment of the hand feeling device for the manual gearbox.

[0021] Figure 3 It is a structure schematic view of the selection shifting knob, the hand feeling control block and the hand feeling pin in the embodiment of the hand feeling device for the manual gearbox.

[0022] The drawings show that: 1 is an operating shell, 11 is a first limiting cavity, 12 is a second limiting cavity, 13 is a third limiting cavity, 2 is a transverse shifting lever, 3 is a knob, 4 is a selection shifting knob, 41 is a rotating positioning shaft, 42 is a flat key, 5 is a hand feeling control block, 6 is a hand feeling pin, 61 is a hand feeling post, 62 is a hand feeling spring, 7 is a spring limiting seat, 8 is a reset spring, 9 is an oil seal, 10 is a bushing, 14 is a cylindrical pin, 15 is a screw plug, A is a 1 / R gear position, B is a 2 / 3 gear position, C is a 4 / 5 gear position, D is a 6 / 7 gear position, and E is an 8 gear position. DETAILED DESCRIPTION

[0023] As Figure 1 , Figure 2 and Figure 3 indicated, the utility model provides a kind of gear selection hand feeling device of manual gearbox, including operating shell 1, transverse shift lever 2, knob 3, selection knob 4, hand feeling control block 5 and hand feeling pin 6.

[0024] Operating shell 1 inside is equipped with first limit cavity 11, second limit cavity 12 and third limit cavity 13 mutually through.The transverse shift lever 2 is arranged in first limit cavity 11 and second limit cavity 12, its one end extends operating shell 1, and the other end is equipped with shift spring 8 and spring limit seat 7, and shift spring 8 is used to provide the rebound force when shifting, so that transverse shift lever 2 can return to initial position smoothly, and spring limit seat 7 is used to limit the stroke of shift spring 8, to prevent it from being compressed or elongated excessively.

[0025] Knob 3 is installed on transverse shift lever 2, and the end close to third limit cavity 13 is provided with recess.The one end of selection knob 4 is installed in the recess of knob 3, and the other end is located in third limit cavity 13 and is provided with hand feeling control block 5 in the bottom of it.Selection knob 4 is also connected with rotating positioning shaft 41, for limiting the rotating position of selection knob 4, when selection knob 4 rotates, hand feeling control block 5 will move along with it.

[0026] Hand feeling pin 6 includes hand feeling pin head 61 and hand feeling spring 62, and operating shell 1 is provided with screw plug and guide hole, and hand feeling spring 62 is located between hand feeling pin head 61 and screw plug 15, for limiting the moving position of hand feeling spring 62.Hand feeling pin head 61 is spherical, to facilitate cooperation with hand feeling control block 5.The surface of hand feeling control block 5 cooperating with hand feeling pin head 61 is sequentially provided with corresponding 1 / R gear position A, 2 / 3 gear position B, 4 / 5 gear position C, 6 / 7 gear position D and 8 gear position E, and these gears are distributed circumferentially around rotating positioning shaft 41.

[0027] In specific implementation, when driver selects gear by operating handle, selection knob 4 moves circumferentially with rotating positioning shaft 41 as center.With the movement of selection knob 4, different working surfaces of hand feeling control block 5 and hand feeling pin head 61 of hand feeling pin 6 contact, and then hand feeling spring 62 inside hand feeling pin 6 deforms, to generate different force feedback to selection knob 4, and then transmitted to gear selection hand ball in driver's cabin through whole vehicle operating lever system and other devices, to feed back to driver that the selected gear is specified gear, and gear engagement operation can be executed.

[0028] The end of transverse shift lever 2 extending operating shell 1 is provided with oil seal 9 and bushing 10, for preventing lubricating oil leakage and reducing friction wear.

Claims

1. A manual transmission gear selector feel device, characterized in that: It includes a control housing (1), a horizontal shift lever (2), a shift knob (3), a gear selector (4), a touch control block (5), and a touch pin (6); The control housing (1) has a first limiting cavity (11), a second limiting cavity (12) and a third limiting cavity (13) that are interconnected. A spring limiting seat (7) is provided on the second limiting cavity (12). The transverse shift lever (2) is disposed through the first limiting cavity (11) and the second limiting cavity (12), with one end extending out of the operating housing (1) and the other end being provided with a return spring (8) between it and the spring limiting seat (7); The dial (3) is mounted on the horizontal shift lever (2); one end of the gear selector dial (4) is mounted in the groove of the dial (3), and the other end is located in the third limiting cavity (13) and the hand feel control block (5) is provided at its bottom; the gear selector dial (4) is connected to a rotating positioning shaft (41); The tactile pin (6) includes a tactile pin head (61) that mates with the surface of the tactile control block (5), and a tactile spring (62) located between the tactile pin head (61) and the operating housing (1); The end face of the hand feel control block (5) that cooperates with the hand feel column head (61) is provided with multiple working surfaces for controlling the hand feel. The multiple working surfaces correspond to different gear selection positions of the gear selection dial head (4). The multiple working surfaces are distributed in sequence around the rotation positioning shaft (41) on the hand feel control block (5). The distance from adjacent gear selection positions to the rotation positioning shaft (41) is different, and the adjacent working surfaces are connected by an arc transition. When the gear selector (4) rotates and determines the gear selection position, the end of the hand-feeling column (61) contacts the corresponding working surface of the gear selection position, and the hand-feeling spring (62) deforms.

2. The manual transmission gear selection feel device according to claim 1, characterized in that: The contact surface between the tactile control block (5) and the tactile head (61) is provided with working surfaces A corresponding to the 1 / R selection position, B corresponding to the 2 / 3 selection position, C corresponding to the 4 / 5 selection position, D corresponding to the 6 / 7 selection position, and E corresponding to the 8 selection position in sequence around the circumference of the rotation positioning shaft (41). The working surfaces A, C, and E are cylindrical curved surfaces. The distances from any point on the working surfaces A, C, and E to the rotation positioning shaft (41) are R1, R2, and R3, respectively. The working surfaces B and D are planes, and R1 = R3 and R1 > R2.

3. The manual transmission gear selector feel device according to claim 1, characterized in that: The control housing (1) is provided with a guide hole that matches the tactile pin (6), and the tactile pin head (61) and the tactile spring (62) are arranged sequentially from the inside to the outside of the guide hole.

4. The manual transmission gear selector feel device according to claim 3, characterized in that: The guide hole is a stepped hole, with its large end located on the outside of the housing and its small end located on the inside of the housing. The tail of the tactile column (61) is provided with a positioning boss, which is located at the large end of the guide hole. Its outer diameter is adapted to the outer diameter of the large end of the stepped hole, and the front diameter of the tactile column (61) is adapted to the small end diameter of the guide hole. The control housing (1) is provided with a screw plug (15), the guide hole is a through hole, and the screw plug (15) is installed on the control housing (1) located at the outer end of the guide hole; the hand-feel spring (62) is located between the hand-feel column (61) and the screw plug (15).

5. The manual transmission gear selector feel device according to claim 4, characterized in that: The tail of the tactile column (61) and the inner end of the screw plug (15) are both provided with positioning grooves, and the two ends of the tactile spring (62) respectively abut against the two positioning grooves.

6. The manual transmission gear selector feel device according to claim 5, characterized in that: The front part of the tactile column head (61) is a spherical structure, which is matched with multiple working surfaces provided on the end face of the tactile control block (5).

7. The manual transmission gear selector feel device according to claim 6, characterized in that: The front part of the tactile head (61) is provided with an installation groove, and a sphere is installed in the installation groove. The surface of the sphere forms the spherical structure. Multiple balls are provided between the surface of the installation groove of the tactile head (61) and the sphere. The multiple balls are installed in a ball holder provided on the tactile head (61).

8. The manual transmission gear selector feel device according to claim 1, characterized in that: A flat key (42) is installed on the gear selection dial (4) to fix the relative position of the rotation positioning shaft (41) and the gear selection dial (4); The transverse shift lever (2) is provided with a positioning protrusion at one end of the second limiting cavity (12), the reset spring (8) is installed on the positioning protrusion, and the positioning protrusion is provided through the spring limiting seat (7).

9. A manual transmission gear selector feel device according to claim 1, characterized in that: The dial (3) is mounted on the transverse shift lever (2) via a cylindrical pin (14); The transverse shift lever (2) is provided with an oil seal (9) and a bushing (10) at one end extending out of the control housing (1).

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