CN220727088U - Signal transmission structure of electronic gear shifter - Google Patents

Abstract

The utility model relates to a signal transmission structure of an electronic gear shifter, which comprises a shell, two rubber pads positioned and connected on a double inclined surface at the inner bottom of the shell, a PCB positioned and connected on the plane at the inner bottom of the shell, push-button switches matched and connected in two sides of the upper part of the shell, and rotary rocker arms matched and connected in the lower part of the push-button switches, wherein a Hall sensor is arranged in the middle part of the upper surface of the PCB, and a magnet is arranged at the lower end of the rotary rocker arms and corresponds to the Hall sensor on the PCB; the rotation process of the pull button switch is to sense the different magnetic field strengths of the magnet through the Hall sensor on the PCB to transmit signals of different gears. The device has the advantages of simple structure, accurate positioning of the transmitted signals, small occupied space, convenient arrangement and contribution to comprehensive popularization and application.

Description

Signal transmission structure of electronic gear shifter

Technical Field

The utility model relates to an automobile part, in particular to a signal transmission structure of an electronic gear shifter.

Background

The existing button type gear shifter realizes the gear shifting function through the cooperation of an original button pulling switch, a bullet head, a gear groove and a return spring in the gear shifting operation process, and the structure is large in occupied space, complex in cooperation structure, high in requirement on precision of part processing equipment and free from wide popularization. Therefore, improvements are needed.

CN 208845702U discloses an electronic gear shifter for electric vehicles and traditional automatic vehicles, which consists of an upper shell, a lower shell, a circuit board assembly and a gear shift lever assembly, wherein the gear shift lever assembly consists of a gear shift lever, a gear shift rotating shaft and a permanent magnet, the gear shift lever and the gear shift rotating shaft are mutually and vertically fixed, and the permanent magnet is coaxially fixed at the shaft end of the gear shift rotating shaft and is positioned on the same axis with a hall switch on the circuit board assembly; the gear shifting device is characterized in that a positioning protrusion is arranged on the outer circumferential surface of the gear shifting rotating shaft, a positioning groove is formed in the lower shell, the gear shifting shaft and the positioning groove are matched and installed through the gear shifting shaft limiting groove to realize axial positioning of the gear shifting rotating shaft, two ends of the gear shifting rotating shaft are installed on the lower shell through gear shifting shaft seats, radial positioning of the gear shifting rotating shaft is realized, and the top of the gear shifting shaft seat is pressed and fixed on the lower shell through an upper shell with limiting ribs, so that positioning in the vertical direction is realized. The integrated level is high, and the signal transmission component is positioned accurately.

CN 109578567a discloses an electronic gear shifter, which comprises a connecting rod component, a reversing seat and a magnet seat, wherein a magnet is arranged on the magnet seat, and the magnet seat is clamped with the reversing seat; the circuit board is clamped in the shell, and a Hall sensor is arranged on the circuit board and matched with the magnet; and the driving motor is matched with the worm wheel, the cam is fixed on the worm wheel shaft, the sliding block is arranged on the shell in a sliding way, one end of the sliding block is movably abutted against the cam, and the other end of the sliding block is movably abutted against the electromagnet through the connecting rod component. The electronic gear shifter comprises an electronic gear shifter structure, an anti-misoperation hanging structure and a self-return mechanism, the mechanical gear shifting structure in the prior art is canceled, all electric signals are transmitted, the influence of factors such as efficiency loss is not needed to be considered, and the driving feeling can be controlled in the optimal range of a driver.

The technical solutions disclosed in the above two patent documents are not lost as one advantageous attempt in the art.

Disclosure of Invention

The utility model aims to provide a signal transmission structure of an electronic gear shifter, which has the advantages of simple structure, accurate signal transmission positioning, small occupied space, convenient arrangement and contribution to comprehensive popularization and application.

The utility model discloses a signal transmission structure of an electronic gear shifter, which comprises a shell, two rubber pads positioned and connected on double inclined planes at the inner bottom of the shell, a PCB positioned and connected on the plane at the inner bottom of the shell, push-button switches matched and connected in two sides of the upper part of the shell, and rotary rocker arms matched and connected in the lower part of the push-button switches, wherein a Hall sensor is arranged in the middle part of the upper surface of the PCB, and a magnet is arranged at the lower end of the rotary rocker arm and corresponds to the Hall sensor on the PCB; the rotation process of the pull button switch is to sense the different magnetic field strengths of the magnet through the Hall sensor on the PCB to transmit signals of different gears.

Further, the shell is in a groove shape, and mirror symmetry mounting holes are respectively arranged in the middle parts of the two sides of the shell; switch rotating shafts in mirror symmetry are respectively arranged at two sides of the pull button switch; the switch rotating shafts on two sides of the pull button switch are respectively connected with the mounting holes on two sides of the shell in a matched mode.

Further, two convex hulls are arranged on the upper surface of each rubber pad, and two exhaust grooves corresponding to the two convex hulls are arranged below each rubber pad.

Further, a limiting structure is arranged in the middle of the lower face of the pull button switch, a limiting groove is formed in the upper end of the rotary rocker arm, and the limiting structure of the pull button switch is in interference fit with the limiting groove of the rotary rocker arm.

Further, four switch plungers with different heights are arranged below the pull button switch, and the four switch plungers are symmetrically arranged on two sides of the limiting structure.

Further, four switch plunger portions with different heights below the pull button switch are in one-to-one correspondence with four convex hulls on two rubber pads, and the two switch plungers in the four switch plunger portions interfere with the two convex hulls on the two rubber pads to form a certain pressing force.

Further, mounting lugs are respectively arranged at two ends of the shell.

The utility model has the beneficial effects that:

because the plunger on the pull button switch cooperates with the rubber pad on the switch shell to realize the gear shifting action of two gears, the pull button switch can rotate around the shaft core on the shell, the two plungers on the initial state switch and the rubber pad convex hulls are in local interference to provide pretightening force, the rubber pad is pressed with feedback force values to different degrees along with the change of the rotation angle, the magnet on the rotary rocker arm is driven to synchronously rotate in the rotation process through the switch button, the magnet and the Hall element on the circuit board produce induction, so that signal output is realized, and the accurate signal output can be realized through the calibration of the rotation angle, and errors caused by the manufacture and assembly of parts per se are compensated.

In addition, the vehicle has the advantages of small occupied space, convenience in arrangement of the whole vehicle and strong practicability.

Drawings

FIG. 1 is a schematic diagram of a conventional pull button electronic shifter;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a top view of two rubber pads and a PCB mounted on the bottom of the housing;

FIG. 4 is a top view of the present utility model;

FIG. 5 is a cross-sectional view A-A of FIG. 4;

FIG. 6 is a cross-sectional view B-B of FIG. 4;

in the figure (technical features indicated by the marks):

10-pulling button electronic gear shifter, 11-original shell, 13-original PCB board, 15-original pulling button switch, 16-column plug bullet, 17-gear groove, 171-groove surface; 18-a vibration reduction pad and 19-a return spring;

1-a shell, 11-a bottom double inclined plane, 12-a bottom plane, 13-a mounting hole and 14-a mounting lug;

2-a rubber pad, 21-a convex hull and 22-an exhaust groove;

3-a PCB board and 31-a Hall sensor;

4-pulling button switch, 41-switch rotating shaft, 42-switch limit structure, 43-switch plunger;

5-rotating rocker arm, 51-magnet and 52-limit groove.

Detailed Description

The technical scheme of the utility model is described in detail below with reference to the accompanying drawings and the prior art.

Referring to fig. 1, most of current electronic gear shifters for pulling buttons 10 comprise a primary housing 11, a primary PCB 13, a primary pulling button switch 15, a bullet plunger 16, a gear slot 17, a damping pad 18 and a return spring 19, wherein the electronic gear shifter for pulling buttons is implemented by matching the bullet plunger 16 with the gear slot 17, one end of the bullet plunger 16 is in direct contact with a slot surface 171 of the gear slot 17, the other end of the bullet plunger 16 is provided with the return spring 19, when the primary pulling button switch 15 is pulled, the force value change is realized by different radian changes of the slot surface 171 and further different degrees of compression are realized on the return spring 19, and meanwhile, the damping pad 18 is arranged at two sides of the primary pulling button switch 15, so that noise caused by a gear shifting process is reduced, and quality sense of the gear shifting process is improved. But this structure not only occupation space is great, and return spring and gear groove surface radian control accuracy requirement are high simultaneously, if cambered surface accuracy control is not in place, then directly influence its experience of shifting the process, consequently is inconvenient for extensive application.

Referring to fig. 2 to 6, an electronic gear shifter signal transmission structure includes a housing 1, two rubber pads 2 positioned and connected to a bottom double inclined plane 11 in the housing 1, a PCB board 3 positioned and connected to an inner bottom plane 12 in the housing 1, a push button switch 4 cooperatively connected to two sides of the upper portion of the housing 1, a rotary rocker arm 5 cooperatively connected to the lower portion of the push button switch 4, a hall sensor 31 is disposed in the middle portion above the PCB board 3, and a magnet 51 disposed at the lower end of the rotary rocker arm 5 corresponds to the hall sensor 31 on the PCB board 3; the rotation process of the pull button switch 4 is to sense the different magnetic field intensities of the magnet 51 through the Hall sensor 31 on the PCB 3 to transmit signals of different gears.

The shell 1 is in a groove shape, and the middle parts of the two sides of the shell are respectively provided with mirror symmetry mounting holes 13; the two sides of the pull button switch 4 are respectively provided with a switch rotating shaft 41 which is in mirror symmetry; the switch rotating shafts 41 on the two sides of the pull button switch 4 are respectively matched and connected with the mounting holes 13 on the two sides of the shell 1.

Two convex hulls 21 are arranged on the upper surface of each rubber pad 2, and two exhaust grooves 22 corresponding to the two convex hulls 21 are arranged on the lower surface of each rubber pad.

The middle part below the pull button switch 4 is provided with a limit structure 42, the upper end of the rotary rocker arm 5 is provided with a limit groove 52, and the limit structure 42 of the pull button switch 4 is in interference fit with the limit groove 52 of the rotary rocker arm 5.

Four switch plungers 43 with different heights are arranged below the pull button switch 4, and the four switch plungers 43 are symmetrically arranged on two sides of the limiting structure 42.

The four switch plungers 43 with different heights below the pull button switch 4 are in one-to-one correspondence with the four convex hulls 21 on the two rubber pads 2, and the two switch plungers 43 interfere with the two convex hulls 21 above the two rubber pads 2 to form a certain pressing force. The gear shifting device is not loosened, and the gear shifting quality is ensured; after the push button switch rotates to a certain angle, the other two switch plungers are compressed with the two convex hulls on the two rubber pads, so that two-gear shifting actions can be realized, and meanwhile shifting experience is improved.

Mounting lugs 14 are provided at each end of the housing 1.

The rotary rocker arm can rotate around the axis X of the rotary rocker arm, and can realize accurate transmission of one-gear or two-gear signals by calibrating an angle alpha or beta in the rotation process. Therefore, even if the consistency of the parts or errors caused by assembly exist, the errors can be compensated, and the reliability of the whole assembly parts is further improved.

In conclusion, the whole novel electronic gear shifter is compact in structure, small in occupied space, mature in structure of selected parts and capable of being comprehensively applied and popularized.

Claims (7)

1. The utility model provides an electronic shifter signal transmission structure, includes casing (1), two location are connected rubber pad (2) on bottom double inclined plane (11) in casing (1), location are connected PCB board (3) on bottom plane (12) in casing (1), cooperation are connected pull out button switch (4) in casing (1) upper portion both sides, cooperation are connected rotatory rocking arm (5) in pull out button switch (4) lower part, characterized by: a Hall sensor (31) is arranged in the middle of the upper surface of the PCB (3), and a magnet (51) is arranged at the lower end of the rotary rocker arm (5) and corresponds to the Hall sensor (31) on the PCB (3); the rotating process of the pull button switch (4) is used for transmitting signals of different gears by sensing different magnetic field strengths of the magnet (51) through the Hall sensor (31) on the PCB (3).

2. The electronic shifter signal transmission structure according to claim 1, characterized in that: the shell (1) is in a groove shape, and the middle parts of the two sides of the shell are respectively provided with mirror symmetry mounting holes (13); switch rotating shafts (41) which are mirror symmetry are respectively arranged at two sides of the pull button switch (4); the switch rotating shafts (41) on two sides of the pull button switch (4) are respectively connected with the mounting holes (13) on two sides of the shell (1) in a matching way.

3. The electronic shifter signal transmission structure according to claim 1 or 2, characterized in that: two convex hulls (21) are arranged on the upper surface of each rubber pad (2), and two exhaust grooves (22) corresponding to the two convex hulls (21) are arranged below each rubber pad.

4. The electronic shifter signal transmission structure according to claim 3, characterized in that: the middle part below pull out button switch (4) is equipped with limit structure (42) the upper end of rotatory rocking arm (5) is equipped with limit groove (52), pull out limit structure (42) of button switch (4) with limit groove (52) interference fit of rotatory rocking arm (5).

5. The electronic shifter signal transmission structure according to claim 4, characterized in that: four switch plungers (43) with different heights are arranged below the pull button switch (4), and the four switch plungers (43) are symmetrically arranged on two sides of the limiting structure (42) in pairs.

6. The electronic shifter signal transmission structure according to claim 5, characterized in that: the four switch plungers (43) with different heights below the pull button switch (4) are in one-to-one correspondence with the four convex hulls (21) on the two rubber pads (2), and the two switch plungers (43) in the push button switch and the two convex hulls (21) above the two rubber pads (2) interfere to form a certain pressing force.

7. The electronic shifter signal transmission structure according to claim 1, characterized in that: mounting lugs (14) are respectively arranged at two ends of the shell (1).