Bevel gear transmission type gear shifting device

Abstract

The utility model provides a bevel gear transmission type gear shifting device, which belongs to the technical field of automobile accessories and comprises a base, a control mainboard, a circuit board and a swing rod, the swing rod is rotatably arranged on the base, a driving bevel gear rotating along with the swing rod is arranged on the swing rod, and a driven bevel gear is rotatably arranged on the base. The driving bevel gear and the driven bevel gear are vertically arranged and meshed with each other, a magnet synchronously rotating with the driven bevel gear is arranged on the driven bevel gear, a Hall chip is arranged on the circuit board corresponding to the magnet, the Hall chip is used for detecting the rotation angle of the magnet, and the control mainboard is arranged on the circuit board; the bevel gear is adopted for transmission, force of gear shifting operation is converted into rotating motion of the driven bevel gear, accuracy and reliability of gear shifting force transmission are guaranteed, meanwhile, the Hall chip is adopted for judging the rotating angle of the magnet, gear shifting function output is judged, the Hall chip and the control main board are designed on the same circuit board, and cost is reduced. And integration of gear shifting angle detection and mainboard control is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a bevel gear transmission type shifting device. Background Art

[0002] With the rapid development of the automotive industry and consumers' increasing demands for vehicle performance, the design of gearshift mechanisms is gradually moving towards greater simplicity and efficiency. Traditional gearshift mechanisms typically require two circuit boards: one for collecting Hall effect signals and the other for arranging the main chips and other functional components. While this design meets functional requirements, it also leads to larger switches, complex structures, and high production costs. Therefore, optimizing and simplifying the structure of gearshift mechanisms has become a key research and development direction in automotive electronics design. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide a bevel gear transmission type shifting device.

[0004] The technical solution adopted by the present utility model is as follows: The present application provides a bevel gear transmission shift device, including a base, a control main board, a circuit board and a rocker arm, the rocker arm is rotatably arranged on the base, the rocker arm is provided with an active bevel gear that rotates therewith, the base is rotatably provided with a driven bevel gear, the active bevel gear and the driven bevel gear are arranged perpendicularly and meshed with each other, the driven bevel gear is provided with a magnet that rotates synchronously therewith, a Hall chip is provided on the circuit board corresponding to the magnet, the Hall chip is used to detect the rotation angle of the magnet, and the control main board is provided on the circuit board.

[0005] In some embodiments, a magnet fixing structure is provided on the driven bevel gear, and the magnet fixing structure includes a plurality of elastic clamping arms uniformly arranged along the circumference of the driven bevel gear, and the plurality of elastic clamping arms surround to form a clamping cavity for clamping the magnet.

[0006] In some embodiments, a guide port is provided at the loading end of the clamping cavity.

[0007] In some embodiments, the clamping cavity gradually widens along the magnet installation direction, and a limiting plate is provided at the wider end of the clamping cavity.

[0008] In some embodiments, a positioning cover detachably connected to the base is further included, the driven bevel gear includes a rotating shaft portion and a gear portion arranged on the rotating shaft portion, the base is provided with a positioning groove adapted to the rotating shaft portion, the positioning cover is provided with a positioning hole adapted to the rotating shaft portion, the positioning groove, the rotating shaft portion and the positioning hole are coaxially arranged, the positioning cover is connected to the base to form a mounting cavity, the positioning cover is provided with an opening connected to the mounting cavity on the side facing the active bevel gear, the gear portion extends from the opening and engages with the active bevel gear.

[0009] In some embodiments, a mounting ring is provided on the base, a plurality of slots are evenly provided on the inner circumference of the mounting ring, and insert blocks are provided on the circumferential outer wall of the positioning cover corresponding to the slots.

[0010] In some embodiments, the circumferential outer wall of the positioning cover is evenly provided with multiple snap-in blocks, the mounting ring is provided with a snap-in interface corresponding to the snap-in block, a first guide slope is provided above the snap-in interface, and the snap-in block is provided with a second guide slope with the same slope as the first guide slope.

[0011] In some embodiments, a disassembly opening is provided on the base corresponding to the card interface.

[0012] In some embodiments, the circuit board is disposed on the base, the active bevel gear is disposed between the circuit board and the base, and the Hall chip is disposed on the lower end surface of the circuit board.

[0013] In some embodiments, the magnet is polygonal, and the shape of the clamping cavity matches the shape of the magnet.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The utility model adopts bevel gear transmission to convert the force of the shift operation into the rotational motion of the driven bevel gear, ensuring the accuracy and reliability of the shift force transmission.

[0016] 2. In the utility model, when the driven bevel gear rotates, the magnet is driven to rotate synchronously, and a Hall chip is used to judge the rotation angle of the magnet, thereby determining the output of the shift function, thereby achieving accurate, reliable and integrated shift angle detection, and has significant technical advantages and application prospects.

[0017] 3. In the present invention, the Hall chip and the control main board are designed on a circuit board, realizing the integration of shift angle detection and main board control, reducing the number of circuit boards, simplifying the structure, improving the compactness, reliability and cost saving of the overall device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still fall within the scope of the present invention.

[0019] Figure 1 This is a schematic diagram of a bevel gear transmission type shifting device in the present utility model;

[0020] Figure 2 This is a cross-sectional view of a bevel gear transmission type shifting device in the present utility model;

[0021] Figure 3 Schematic diagram of the driven bevel gear and magnet in the present invention;

[0022] Figure 4 This is a cross-sectional view of the driven bevel gear and the magnet in the present utility model;

[0023] Figure 5 A partial schematic diagram of the base and positioning cover in this utility model Figure 1 ;

[0024] Figure 6 A partial schematic diagram of the base and positioning cover in this utility model Figure 2 ;

[0025] Figure 7 This is a schematic diagram of the positioning cover in the present utility model;

[0026] Figure 8 A partial schematic diagram of the base and positioning cover in this utility model Figure 3 . DETAILED DESCRIPTION

[0027] The following description provides specific application scenarios and requirements for this specification, with the goal of enabling those skilled in the art to make and use the contents of this specification. Various modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of this specification. Therefore, this specification is not limited to the embodiments shown, but is intended to be accorded the broadest scope consistent with the claims.

[0028] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "longitudinal", "transverse", "radial", "length", "width", "thickness", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe this application and its embodiments, and are not intended to limit the indicated devices, elements or components to a specific orientation, or to be constructed and operated in a specific orientation.

[0029] Secondly, the terms "first", "second" and similar words do not indicate any order, quantity or importance, but are only used to distinguish different components and should not be understood as limitations on the embodiments of the present application.

[0030] Furthermore, the terms "installed," "disposed," "provided with," "connected," and "connected" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral structures; mechanical connections or electrical connections; direct connections or indirect connections through an intermediary; or internal communication between two devices, elements, or components.

[0031] For those skilled in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] Regarding the drawings of this application, it should be clearly understood that the drawings are for illustration and description purposes only and are not intended to limit the scope of this specification. It should also be understood that the drawings are not drawn to scale.

[0033] Example 1:

[0034] Traditional shift devices require two circuit boards, one specifically for Hall signal acquisition and the other for arranging the main chip and other functional components. The existence of two circuit boards results in a large switch size and high cost.

[0035] like Figures 1 to 8As shown, this embodiment provides a bevel gear transmission type shifting device, including a base 1, a control main board, a circuit board 2 and a rocker arm 3, wherein the rocker arm 3 is rotatably arranged on the base 1, and a driving bevel gear 4 that rotates therewith is provided on the rocker arm 3, and a driven bevel gear 5 is rotatably arranged on the base 1, and the driving bevel gear 4 and the driven bevel gear 5 are arranged perpendicularly and meshed with each other, and a magnet 6 that rotates synchronously with the driven bevel gear 5 is provided on the driven bevel gear 5, and a Hall chip 7 is provided on the circuit board 2 corresponding to the magnet 6, and the Hall chip 7 is used to detect the rotation angle of the magnet 6, and the control main board is provided on the circuit board 2, wherein the circuit board 2 is provided on the base 1, and the driving bevel gear 4 is provided between the circuit board 2 and the base. 1, the Hall chip 7 is arranged on the lower end surface of the circuit board 2, and the force of the shift operation is converted into the rotational motion of the driven bevel gear 5 through the bevel gear transmission, thereby ensuring the accuracy and reliability of the shift force transmission. Secondly, when the driven bevel gear 5 rotates, it drives the magnet 6 to rotate synchronously, and the Hall chip 7 is used to judge the rotation angle of the magnet 6, thereby determining the output of the shift function, thereby realizing accurate, reliable and integrated shift angle detection, which has significant technical advantages and application prospects. In addition, the Hall chip 7 and the control main board are designed on a circuit board to realize the integration of shift angle detection and main board control, thereby reducing the number of circuit boards, simplifying the structure, and improving the compactness, reliability and cost saving of the overall device.

[0036] In some embodiments, a magnet fixing structure is provided on the driven bevel gear 5, and the magnet fixing structure includes a plurality of elastic clamping arms 8 evenly arranged along the circumference of the driven bevel gear 5. The plurality of elastic clamping arms 8 surround to form a clamping cavity 80 for clamping the magnet 6. The magnet 6 is a polygon, and the shape of the clamping cavity 80 is adapted to the shape of the magnet 6. In this embodiment, the magnet 6 is a cube, and there are two elastic clamping arms 8, which clamp the opposite sides of the magnet 6 respectively.

[0037] Preferably, a guide opening 81 is provided at the loading end of the clamping cavity 80 , and the magnet 6 is quickly loaded into the clamping cavity 80 by guiding the magnet 6 through an inclined surface.

[0038] Preferably, the clamping cavity 80 gradually widens along the direction of magnet 6 insertion, and a limiting plate 82 is provided at the wider end of the clamping cavity 80, so that the magnet 6 can be effectively limited in the clamping cavity 80 and can adapt to magnets 6 within a certain range of sizes.

[0039] Furthermore, a mounting ring 101 is provided on the base 1, and a positioning cover 9 is detachably connected to the mounting ring 101. Preferably, a snap connection structure is adopted. Specifically, a plurality of snap-in blocks 92 are evenly provided on the circumferential outer wall of the positioning cover 9, and a snap interface 103 is provided on the mounting ring 101 corresponding to the snap-in blocks 92. A first guide slope 104 is provided above the snap interface 103, and a second guide slope 93 with the same slope as the first guide slope 104 is provided on the snap-in block 92, thereby improving the smoothness of assembly of the two.

[0040] Secondly, the inner circumference of the mounting ring 101 is evenly provided with multiple slots 102, and the circumferential outer wall of the positioning cover 9 is provided with plugs 91 corresponding to the slots 102, generally at least two or more, which improves the stability and reliability of the connection between the mounting ring 101 and the positioning cover 9.

[0041] In the disclosed embodiment, the driven bevel gear 5 includes a rotating shaft portion 50 and a gear portion 51 arranged on the rotating shaft portion 50. The base 1 is provided with a positioning groove 100 adapted to the rotating shaft portion 50, and the positioning cover 9 is provided with a positioning hole 90 adapted to the rotating shaft portion 50. The positioning groove 100, the rotating shaft portion 50 and the positioning hole 90 are coaxially arranged. The positioning cover 9 is connected to the base 1 to form a mounting cavity 10. The positioning cover 9 is provided with an opening 11 connected to the mounting cavity 10 on the side facing the active bevel gear 4. The gear portion 51 extends from the opening 11 and engages with the active bevel gear 4. In this way, the driven bevel gear 5 is positioned up and down, making it more stable when rotating, thereby making the magnet 6 thereon more stable when being detected, thereby improving the detection accuracy of the Hall chip 7.

[0042] Optionally, a disassembly opening 105 is provided on the base 1 corresponding to the card interface 103 , and the card block 92 can be tilted out of the card interface 103 by inserting a tool, thereby improving the convenience of disassembly and assembly of the mounting ring 101 and the positioning cover 9 .

[0043] In summary, after reading this detailed disclosure, those skilled in the art will appreciate that the foregoing detailed disclosure may be presented by way of example only and may not be limiting. Although not expressly stated herein, those skilled in the art will understand that the present application requires various reasonable changes, improvements, and modifications to the embodiments. Such changes, improvements, and modifications are intended to be proposed by the present application and are within the spirit and scope of the exemplary embodiments of the present application.

[0044] Furthermore, it should be understood that in the foregoing descriptions of the embodiments of this application, in order to facilitate understanding of a feature and to simplify this application, this application combines various features into a single embodiment, figure, or description thereof. However, this does not mean that the combination of these features is required. When reading this application, it is entirely possible for a person skilled in the art to label some of the devices as separate embodiments. In other words, the embodiments of this application can also be understood as the integration of multiple sub-embodiments. This also applies when the content of each sub-embodiment is less than all the features of a single aforementioned disclosed embodiment.

[0045] Finally, it should be understood that the embodiments of the application disclosed herein are illustrations of the principles of the embodiments of the present application. Other modified embodiments are also within the scope of the present application. Therefore, the embodiments disclosed in the present application are merely examples and not limitations. Those skilled in the art can adopt alternative configurations based on the embodiments in the present application to implement the applications in the present application. Therefore, the embodiments of the present application are not limited to the embodiments precisely described in the application.

Claims

1. A bevel gear transmission type shifting device, comprising a base (1), a control main board, a circuit board (2) and a rocker (3), characterized in that: The swing rod (3) is rotatably arranged on the base (1); a driving bevel gear (4) that rotates therewith is arranged on the swing rod (3); a driven bevel gear (5) that rotates therewith is rotatably arranged on the base (1); the driving bevel gear (4) and the driven bevel gear (5) are arranged perpendicularly to each other and mesh with each other; a magnet (6) that rotates synchronously therewith is arranged on the driven bevel gear (5); a Hall chip (7) is arranged on the circuit board (2) corresponding to the magnet (6); the Hall chip (7) is used to detect the rotation angle of the magnet (6); and the control main board is arranged on the circuit board (2).

2. A bevel gear transmission type shifting device according to claim 1, characterized in that: The driven bevel gear (5) is provided with a magnet fixing structure, which comprises a plurality of elastic clamping arms (8) uniformly arranged along the circumference of the driven bevel gear (5), and the plurality of elastic clamping arms (8) surround and form a clamping cavity (80) for clamping the magnet (6).

3. A bevel gear transmission type shifting device according to claim 2, characterized in that: The loading end of the clamping cavity (80) is provided with a guide opening (81).

4. The bevel gear transmission type shifting device according to claim 2, characterized in that: The clamping cavity (80) gradually widens along the direction in which the magnet (6) is installed, and a limiting plate (82) is provided at the wider end of the clamping cavity (80).

5. The bevel gear transmission type shifting device according to claim 1, characterized in that: The invention also includes a positioning cover (9) detachably connected to the base (1); the driven bevel gear (5) includes a rotating shaft portion (50) and a gear portion (51) arranged on the rotating shaft portion (50); the base (1) is provided with a positioning groove (100) adapted to the rotating shaft portion (50); the positioning cover (9) is provided with a positioning hole (90) adapted to the rotating shaft portion (50); the positioning groove (100), the rotating shaft portion (50) and the positioning hole (90) are coaxially arranged; the positioning cover (9) is connected to the base (1) to form a mounting cavity (10); the positioning cover (9) is provided with an opening (11) communicating with the mounting cavity (10) on a side facing the active bevel gear (4); the gear portion (51) extends from the opening (11) and meshes with the active bevel gear (4).

6. The bevel gear transmission type shifting device according to claim 5, characterized in that: The base (1) is provided with a mounting ring (101), the inner circumference of the mounting ring (101) is evenly provided with a plurality of slots (102), and the circumferential outer wall of the positioning cover (9) is provided with insert blocks (91) corresponding to the slots (102).

7. The bevel gear transmission type shifting device according to claim 6, characterized in that: The circumferential outer wall of the positioning cover (9) is evenly provided with a plurality of clamping blocks (92); a clamping interface (103) is provided on the mounting ring (101) corresponding to the clamping block (92); a first guide inclined surface (104) is provided above the clamping interface (103); and a second guide inclined surface (93) having the same slope as the first guide inclined surface (104) is provided on the clamping block (92).

8. The bevel gear transmission type shifting device according to claim 7, characterized in that: A disassembly opening (105) is provided on the base (1) corresponding to the card interface (103).

9. The bevel gear transmission type shifting device according to claim 1, characterized in that: The circuit board (2) is arranged on the base (1), the active bevel gear (4) is arranged between the circuit board (2) and the base (1), and the Hall chip (7) is arranged on the lower end surface of the circuit board (2).

10. The bevel gear transmission type shifting device according to claim 2, characterized in that: The magnet (6) is polygonal, and the shape of the clamping cavity (80) is adapted to the shape of the magnet (6).

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