Knob-type gear shifter and automobile

Abstract

The utility model belongs to mechanical engineering element transmission device technical field, concretely relates to gear shifter technical field, especially a knob formula gear shifter and car, the device includes upper casing, lower casing, PCBA assembly, knob inner core, gear seat, open spring piece, knob, stop film, open spring piece is used for when rotating with the gear seat and the contact of gear gold plating ring on PCBA assembly. The knob formula gear shifter and car pass through the contact of the gold plating area of the contact spring piece on structural member and the gear gold plating ring on PCBA assembly, rotate to the different gold plating area and be the trigger current position gear signal function, and the rotation type gear shifting of gear shifter can be satisfied with less parts.

Description

Technical Field

[0001] This utility model belongs to the technical field of mechanical engineering component transmission device, specifically relating to the technical field of gear shifters, and particularly to a rotary gear shifter and automobile. Background Technology

[0002] With the rapid development of automotive electronics technology, especially the increasing trend of automotive intelligence in recent years, consumers are no longer solely focused on cost-effectiveness when purchasing a car. Factors such as operational comfort, technological sophistication, knob operating torque, feel, and safety are also becoming important considerations. To enhance overall vehicle comfort, the requirements for gear shifters have also increased, including ease of shifting and shifting comfort.

[0003] The existing electronic gear shifter has a multi-gear meshing structure with a large number of parts, which makes it prone to shifting jams. Structural optimization is urgently needed to reduce such risks.

[0004] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, the above description is not considered to constitute prior art information. Utility Model Content

[0005] This disclosure provides at least one rotary gear shifter and an automobile.

[0006] In a first aspect, this disclosure provides a rotary gear shifter, comprising: an upper housing and a lower housing connected to form an internal cavity; a PCBA assembly located in the internal cavity and connected to the lower housing, having a gold-plated gear ring with gold-plated areas for different gear positions; a rotary inner core connected to the PCBA assembly and located in the middle of the gold-plated gear ring; a gear position seat rotatably connected to the rotary inner core; an open spring, one end connected to the gear position seat and the other end contacting the gold-plated gear ring, wherein the open spring is used to contact the gold-plated gear ring on the PCBA assembly when the gear position seat rotates; a knob connected to the gear position seat, the knob being used to drive the gear position seat to rotate; and a gear indicator plate having gear position characters and connected to the upper end of the rotary inner core.

[0007] In one optional embodiment, a gear seat cylinder is connected to the side of the gear seat facing the open spring; the open spring includes: an open spring mounting hole connected to the gear seat cylinder; and an open spring mouth contact for contacting the gear plated ring on the PCBA assembly when the gear seat rotates.

[0008] In one optional embodiment, the lower housing includes a lower housing support column, wherein the lower housing support column is circumferentially connected with a plurality of lower housing support column reinforcing ribs; the PCBA assembly includes a PCBA assembly first hole corresponding to the lower housing support column, wherein the PCBA assembly is fitted with the lower housing support column hole through the PCBA assembly first hole, and the PCBA assembly is positioned above the lower housing support column reinforcing ribs.

[0009] In one optional embodiment, the lower housing support column is provided with a lower housing support column circular hole, wherein a stop pin spring and a stop pin are sequentially connected in the lower housing support column circular hole; the stop seat includes a wavy outer ring; wherein the wavy outer ring abuts against the stop pin.

[0010] In one optional embodiment, the shift pin includes a shift pin guide post and a shift pin ball post. The shift pin guide post is slidably connected to the inner cavity of the circular hole of the support column in the lower housing via the shift pin spring. The shift pin ball post is used to contact the wavy outer ring when the shift seat rotates.

[0011] In one optional embodiment, the PCBA assembly includes a plurality of LEDs, the number of which corresponds to the number of gear positions; the knob core includes: a plurality of light guide cavities, the light guide cavities being located above the LEDs; and a plurality of light guides, each interference-fitted into the light guide cavity, for transmitting the light source of the LEDs to the gear position characters on the display panel.

[0012] In one optional embodiment, the inner wall of the shift seat is provided with a shift seat inner ring; the knob inner core includes: a knob inner core stepped platform located below the outer end face of the knob inner core; a plurality of knob inner core retaining blocks located at the middle side of the outer end face of the knob inner core stepped platform, wherein the shift seat inner ring is located between the knob inner core stepped platform and the plurality of knob inner core retaining blocks; a knob inner core circular protrusion located on the knob inner core stepped platform and in contact with the bottom surface of the shift seat inner ring; and a knob inner core rib located between the knob inner core stepped platform and the plurality of knob inner core retaining blocks and in contact with the inner surface of the shift seat inner ring.

[0013] In one optional embodiment, the upper housing and the lower housing are snap-fit ​​connected; the upper housing includes: a plurality of upper housing positioning posts; the PCBA assembly includes: a PCBA assembly second hole corresponding to the plurality of upper housing positioning posts, and the upper housing positioning posts are interference-fitted into the PCBA assembly second hole.

[0014] In one optional embodiment, the PCBA assembly includes several self-tapping screws, and the knob core is connected to the PCBA assembly by the several self-tapping screws; the baffle is snapped to the knob core; the knob is snapped to the baffle seat; the baffle and the knob are also provided with decorative rings, wherein the decorative ring is snapped to the inner wall of the knob.

[0015] Secondly, embodiments of this disclosure also provide an automobile, including a gear shifting system, the gear shifting system including the rotary gear shifter described above.

[0016] The beneficial effects of this utility model are that the rotary gear shifter and the car make contact with the gold-plated area of ​​the gear position gold-plated ring on the PCBA assembly through the contact spring on the structural component. Rotating to different gold-plated areas triggers the current position gear signal function. The rotary gear shifter can be satisfied with fewer parts, and the gearless structure will not cause jamming.

[0017] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description, claims, and drawings.

[0018] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0020] Figure 1 A perspective view of a rotary gear shifter provided in an embodiment of this disclosure; Figure 2 for Figure 1 A 3D view after cross-sectioning the N-level characters in the middle; Figure 3 for Figure 1 Exploded view; Figure 4 for Figure 3 Enlarged diagram of A in the middle; Figure 5 for Figure 1 A 3D view without the upper shell; Figure 6 This is a schematic diagram of the explosion of the lower shell; Figure 7 This is a 3D view of the gear shift seat; Figure 8 for Figure 7 Another perspective stereoscopic view; Figure 9 A 3D view of the PCBA assembly; Figure 10 This is a three-dimensional view of the upper shell; Figure 11 A 3D view of the inner core of the knob: In the diagram: Upper shell 1, 2. Lower housing stalk 21. Lower housing stalk reinforcing rib 22. Lower housing stalk circular hole 23. Stop pin spring 24. Stop pin 25. Stop pin guide post 251. Stop pin spherical post 252. 3. PCBA assembly; 31. Gold-plated ring for gear shift; 32. First hole of PCBA assembly; 33. Second hole of PCBA assembly; 34. LED chip; 35. Self-tapping screw. 4. Knob inner core; 41. Light guide cavity; 42. Light guide body; 43. Knob inner core stepped platform; 44. Knob inner core retaining block; 45. Knob inner core round protrusion; 46. Knob inner core rib. Gear shift seat 5, gear shift seat cylinder 51, wavy outer ring 52, gear shift seat inner ring 53 Open spring contact 6, open spring contact mounting hole 61, open spring contact opening contact 62 7. Knob; 8. Display baffle; 9. Decorative ring. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] Glossary PCBA (Printed Circuit Board Assembly): The full name is printed circuit board assembly assembly. It refers to a circuit board module that has completed the mounting and soldering of all electronic components (such as chips, resistors, capacitors, connectors, etc.), and may integrate structural components (such as housings, brackets, connectors), software and firmware. It has complete electrical functions and can be put into use directly or used as a core component of a larger system.

[0023] Research has revealed that existing electronic gear shifters have a multi-gear meshing structure with a large number of parts, resulting in poor feel and a tendency to jam during shifting. This is the problem and objective that this invention aims to solve.

[0024] Based on the above research, this disclosure provides a rotary gear shifter and an automobile. The rotary gear shifter uses contact springs on structural components to contact the gold-plated area of ​​the gold-plated ring on the PCBA assembly. Rotating to different gold-plated areas triggers the current gear position signal. This allows for rotary gear shifting with fewer components. Furthermore, the shifting force is fed back by compressing or releasing the gear pin and gear pin spring through a curved feature surface on the structure, providing the driver with feedback on the shifting feel through the height of the curve. A light guide structure made of transparent PC material transmits the light source of the LEDs on the PCBA assembly to the translucent characters, thus achieving backlighting and gear-following indicator functions.

[0025] The shortcomings of the above solutions are the result of the inventors' practical experience and careful research. Therefore, the discovery process of the above problems and the solutions proposed in this disclosure should be considered as contributions made by the inventors to this disclosure.

[0026] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0027] The following detailed description, with reference to the accompanying drawings, describes some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0028] See Figure 1 , Figure 2 , Figure 3 At least one embodiment provides a rotary gear shifter, including an upper housing 1 and a lower housing 2, which are connected to form an internal cavity; a PCBA assembly 3, located in the internal cavity and connected to the lower housing 2, having a gear position gold-plated ring 31, the gear position gold-plated ring 31 having gold-plated areas for different gear positions; a knob inner core 4, connected to the PCBA assembly 3 and located in the middle of the gear position gold-plated ring 31; a gear position seat 5, rotatably connected to the knob inner core 4; an open spring 6, one end connected to the gear position seat 5 and the other end contacting the gear position gold-plated ring 31, wherein the open spring 6 is used to contact the gear position gold-plated ring 31 on the PCBA assembly 3 when the gear position seat 5 rotates; a knob 7, connected to the gear position seat 5, the knob 7 being used to drive the gear position seat 5 to rotate; and a gear position display 8, having gear position characters, connected to the upper end of the knob inner core 4.

[0029] In short, the internal cavity formed by the connection of the upper housing 1 and the lower housing 2 is mainly used to install the PCBA assembly 3. Parts of the knob core 4 and the gear position seat 5 are located within the internal cavity, while other parts are located within the inner cavity of the knob 7. The gear indicator 8 acts as the "top" of the entire rotary gear shifter, displaying the characters for N (neutral), R (reverse), and D (drive). The gear position gold-plated ring 31 is composed of different gold-plated areas connected together. The gold plating is done using existing electroplating technology, which will not be elaborated upon here. The gold-plated areas correspond to the different gear positions N, R, and D. The knob core 4 is located in the middle of the gear position gold-plated ring 31, and the gear position seat 5 is rotatably connected to the knob core 4. The open spring 6 connected to the gear position seat 5 corresponds exactly above the gear position gold-plated ring 31. When the knob 7 drives the gear position seat 5 to rotate around the knob core 4, when the open spring 6 contacts the gold-plated area of ​​a certain gear position on the gear position gold-plated ring 31, the current gear position signal function is triggered.

[0030] In some embodiments, see Figure 8 A gear seat cylinder 51 is connected to the side of the gear seat 5 facing the open spring 6; See Figure 2 , Figure 4 The open spring 6 includes: an open spring mounting hole 61, which is connected to the cylinder 51 of the gear seat; and an open spring contact 62, which is used to contact the gold-plated gear ring 31 on the PCBA assembly 3 when the gear seat 5 rotates.

[0031] In short, the cylinder 51 of the gear position seat is thicker at the connection with the gear position seat 5, while the connection with the open spring mounting hole 61 of the open spring 6 is thinner, with the thinner cylindrical part having an interference fit with the open spring mounting hole 61. The gear position gold-plated rings 31 are two offset adjacent rings, with the offset adjacent arcs corresponding to the same gear position; the open spring contact points 62 are made of conductive material and have two adjacent points with connected tails, which correspond to the two offset adjacent gear position gold-plated rings 31 respectively, and can simultaneously contact the gold-plated area of ​​the same gear position, so that the gold-plated areas of the same gear position are connected, thereby triggering the current position gear signal function.

[0032] In some embodiments, see Figure 5 , Figure 6 The lower shell 2 includes a lower shell support column 21, wherein the lower shell support column 21 is circumferentially connected with a plurality of lower shell support column reinforcing ribs 22; See Figure 5 , Figure 9 The PCBA assembly 3 includes a first PCBA assembly hole 32 corresponding to the lower housing support column 21, wherein the PCBA assembly 3 is fitted with the lower housing support column 21 through the first PCBA assembly hole 32, and the PCBA assembly 3 is positioned above the lower housing support column reinforcing rib 22.

[0033] In short, the first hole 32 of the PCBA assembly is located diagonally opposite the top of the PCBA assembly 3. Similarly, there are two lower housing support pillars 21, each corresponding to the position of the first hole 32. The ends of the multiple lower housing support pillar reinforcing ribs 22 facing the PCBA assembly 3 are flat, increasing the contact area with the PCBA assembly 3. The number of these ribs is generally 2-4, with 4 being optimal, to distribute the weight of the PCBA assembly 3 evenly. Thus, by using only two lower housing support pillars 21 and several lower housing support pillar reinforcing ribs 22, the entire PCBA assembly 3 can be stably placed.

[0034] In some embodiments, see Figure 5 , Figure 6 The lower housing support column 21 is provided with a lower housing support column circular hole 23, wherein a stop pin spring 24 and a stop pin 25 are connected in sequence in the lower housing support column circular hole 23; the stop seat 5 includes a wave-shaped outer ring 52; wherein the wave-shaped outer ring 52 abuts against the stop pin 25.

[0035] In short, to improve the driver's shifting feel, the shift pin 25 is elastically connected to the lower housing support hole 23 via a shift pin spring 24. The wavy outer ring 52 has a curved feature surface. When the knob 7 drives the shift seat 5 to rotate around the inner core 4 of the knob, the curved feature surface of the wavy outer ring 52 on the shift seat 5 will compress or release the shift pin 25. The shift pin 25 then compresses or releases the shift pin spring 24, thereby providing feedback on the shifting force value. The height of the curve provides the driver with feedback on the shifting feel.

[0036] In some embodiments, see Figure 6 The stop pin 25 includes a stop pin guide post 251 and a stop pin ball post 252. The stop pin guide post 251 is slidably connected to the inner cavity of the lower housing support circular hole 23 via a stop pin spring 24. The stop pin ball post 252 is used to contact the wave-shaped outer ring 52 when the stop seat 5 rotates. That is, the outer diameter of the stop pin guide post 251 is slightly smaller than the inner diameter of the lower housing support circular hole 23, so that the stop pin 25 can slide in and out of the lower housing support circular hole 23 under the action of the stop pin spring 24.

[0037] In some embodiments, see Figure 3 , Figure 9 The PCBA assembly 3 includes several LEDs 34, the number of which corresponds to the number of gear positions; the knob core 4 includes several light guide cavities 41, which are located above the LEDs 34; and several light guides 42, which are respectively interference-fitted into the light guide cavities 41 to conduct the light source of the LEDs 34 to the gear position characters on the display plate 8.

[0038] In short, the position characters on the baffle plate 8 are translucent. The light guide 42 is made of transparent PC material. When the knob 7 drives the position base 5 to rotate around the inner core 4 of the knob, when the gold-plated area of ​​a certain position on the gold-plated ring 31 is contacted by the open spring 6, the current position signal function is triggered, and the corresponding LED 34 is lit. The light guide 42 can conduct the light source of the LED 34 to the translucent characters on the baffle plate 8, thereby realizing the backlight and position-following indicator functions.

[0039] In some embodiments, see Figure 2 , Figure 7 , Figure 8 The inner wall of the gear seat 5 is provided with a gear seat inner ring 53; In some embodiments, see Figure 2 , Figure 11 The knob core 4 includes: a knob core stepped platform 43 located on the lower side of the outer end face of the knob core 4; multiple knob core retaining blocks 44 located on the middle side of the outer end face of the knob core stepped platform 43, wherein the inner ring 53 of the stop seat is located between the knob core stepped platform 43 and the multiple knob core retaining blocks 44; a knob core round protrusion 45 located on the knob core stepped platform 43 and in contact with the bottom surface of the stop seat inner ring 53; and a knob core rib 46 located between the knob core stepped platform 43 and the multiple knob core retaining blocks 44 and in contact with the inner side surface of the stop seat inner ring 53.

[0040] In some embodiments, see Figure 1 The upper shell 1 and the lower shell 2 are connected by snap-fit. It can be understood that snap-fit ​​connection is a common connection method. The upper shell 1 and the lower shell 2 can be respectively equipped with corresponding male or female snap-fits for snap-fit ​​connection (not specifically marked in the figure).

[0041] In some embodiments, see Figure 9 , Figure 11 The upper housing 1 includes: several upper housing positioning posts 11; PCBA assembly 3 includes: PCBA assembly second holes 33 corresponding to several upper housing positioning posts 11, with the upper housing positioning posts 11 interference-fitted into the PCBA assembly second holes 33. In short, PCBA assembly 3 is fixedly connected to the upper housing positioning posts 11 of the upper housing 1 via the PCBA assembly second holes 33, and simultaneously connected to the lower housing 2. Thus, PCBA assembly 3 is fixed within the internal cavity between the upper housing 1 and the lower housing 2 after they are engaged.

[0042] In some embodiments, see Figure 3 , Figure 9The PCBA assembly 3 includes several self-tapping screws 35, and the knob core 4 is connected to the PCBA assembly 3 by several self-tapping screws 35. There are two self-tapping screws 35, so that the knob core 4 is fixedly connected to the PCBA assembly 3 and is located at the center of the gear position gold-plated ring 31.

[0043] In some embodiments, see Figure 2 , Figure 3 The baffle plate 8 is snapped into the inner core 4 of the knob; the knob 7 is snapped into the position seat 5; the baffle plate 8 and the knob 7 are also provided with a decorative ring 9, which is snapped into the inner wall of the knob 7. The decorative ring 9 is used to fill the gap between the baffle plate 8 and the knob 7, so that the baffle plate 8 does not need to be too large, making it easy to install and remove.

[0044] At least one embodiment provides an automobile including a shifting system comprising a rotary shifter as described above.

[0045] In this document, when it is mentioned that a first component is located on a second component, this can mean that the first component can be directly formed on the second component, or that a third component can be inserted between the first and second components. Furthermore, in the accompanying drawings, the thickness of the components may be exaggerated or reduced for the purpose of effectively describing the technical content.

[0046] In this document, when an element or layer is referred to as “located,” “joined to,” “connected to,” “attached to,” or “coupled to” another element or layer, it may be directly located, joined, connected, attached to, or coupled to the other element or layer, or there may be intermediate elements or layers present. Conversely, when an element is referred to as “directly on another element or layer,” “directly joined to,” “directly connected to,” “directly attached to,” or “directly coupled to” another element or layer, there may be no intermediate elements or layers present. Other terms used to describe relationships between elements should be interpreted in a similar manner (e.g., “between” versus “directly between,” “adjacent” versus “directly adjacent,” etc.). As used herein, the term “and / or” includes any and all combinations of one or more of the related listed items.

[0047] In this document, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as “at least one of…” modify the entire list of elements when following a list of elements, rather than individual elements in the list. For example, the expression “at least one of a, b, and c” should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0048] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be limiting. As used herein, the singular articles “a,” “an,” and “the” may also be intended to include plural forms unless otherwise clearly stated herein. The terms “comprising,” “including,” and “having” are inclusive and thus specify the presence of features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein should not be construed as requiring them to be performed in the specific order discussed or shown, unless specifically identified as such. Additional or alternative steps may be employed.

[0049] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0050] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0051] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as the second element, component, region, layer, or segment.

[0052] Spatially relative terms, such as “inside,” “outside,” “below,” “below,” “down,” “above,” “up,” etc., may be used herein to describe the relationship between one element or feature illustrated in the figures and another element or feature. In addition to the orientations depicted in the figures, spatially relative terms may be intended to cover different orientations of the device in use or operation. For example, if the device in the figure is flipped, an element described as “below” or “below” other elements or features would be oriented as “above” other elements or features. Thus, the example term “below” can cover both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.

[0053] In the above discussion, unless otherwise stated, when used to describe numerical values, the terms “about,” “approximately,” “basically,” etc., indicate a change of + / - 10% in that value.

[0054] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A rotary gear shifter, characterized in that, include: The upper shell (1) and the lower shell (2) are connected to form an internal cavity; PCBA assembly (3), located in the internal cavity and connected to the lower housing (2), is provided with a gear plated ring (31), which has plated areas for different gears; The knob inner core (4) is connected to the PCBA assembly (3) and is located in the middle of the gold-plated ring (31) of the gear position; The stop seat (5) is rotatably connected to the inner core (4) of the knob. An open-end spring (6) is connected at one end to the stop seat (5) and at the other end to the stop gold-plated ring (31), wherein... The open spring (6) is used to contact the gold-plated ring (31) on the PCBA assembly (3) when the gear seat (5) rotates; A knob (7) is connected to the stop seat (5), and the knob (7) is used to drive the stop seat (5) to rotate; The display plate (8) is provided with a position character and is connected to the upper end of the inner core (4) of the knob.

2. The rotary gear shifter according to claim 1, characterized in that, The stop seat (5) is connected to a stop seat cylinder (51) on the side facing the open spring (6). The open-end spring (6) includes: An open spring mounting hole (61) is connected to the stop seat cylinder (51). Opening spring contact (62) is used to contact the gold-plated ring (31) on the PCBA assembly (3) when the stop seat (5) rotates.

3. The rotary gear shifter according to claim 1, characterized in that, The lower housing (2) includes a lower housing support column (21), wherein The lower shell support (21) is circumferentially connected with multiple lower shell support reinforcing ribs (22). The PCBA assembly (3) includes a first PCBA assembly hole (32) corresponding to the lower housing support (21), wherein The PCBA assembly (3) is fitted with the lower housing support column (21) through the first hole (32) of the PCBA assembly, and the PCBA assembly (3) is positioned above the reinforcing rib (22) of the lower housing support column.

4. The rotary gear shifter according to claim 3, characterized in that, The lower housing support column (21) is provided with a lower housing support column circular hole (23), wherein The lower housing support circular hole (23) is connected in sequence with a stop pin spring (24) and a stop pin (25). The stop seat (5) includes a wavy outer ring (52); The wavy outer ring (52) abuts against the stop pin (25).

5. The rotary gear shifter according to claim 4, characterized in that, The shift pin (25) includes a shift pin guide post (251) and a shift pin ball post (252). The stop pin guide post (251) is slidably connected to the inner cavity of the circular hole (23) of the lower housing support through the stop pin spring (24). The stop pin ball post (252) is used to contact the wave-shaped outer ring (52) when the stop seat (5) rotates.

6. The rotary gear shifter according to claim 1, characterized in that, The PCBA assembly (3) includes several LEDs (34), the number of which corresponds to the number of gears; The knob core (4) includes: Several light guide cavities (41) are located above the lamp beads (34); Several light guides (42) are respectively interference-fitted into the light guide cavity (41) to conduct the light source of the lamp bead (34) to the blocking character of the blocking plate (8).

7. The rotary gear shifter according to claim 1, characterized in that, The inner wall of the stop seat (5) is provided with a stop seat inner ring (53); The knob core (4) includes: The inner core stepped platform (43) of the knob is located on the lower side of the outer end face of the inner core (4) of the knob; Multiple knob core locking blocks (44) are located on the middle side of the outer end face of the knob core stepped platform (43), wherein the inner ring (53) of the stop seat is located between the knob core stepped platform (43) and the multiple knob core locking blocks (44); The inner core protrusion (45) of the knob is located on the inner core stepped platform (43) of the knob and is in contact with the bottom surface of the inner ring (53) of the stop seat; The inner core rib (46) of the knob is located between the inner core stepped platform (43) of the knob and the multiple inner core locking blocks (44) of the knob, and contacts the inner side of the inner ring (53) of the stop seat.

8. The rotary gear shifter according to claim 1, characterized in that, The upper housing (1) and the lower housing (2) are snap-fitted together; The upper housing (1) includes: several upper housing positioning posts (11); The PCBA assembly (3) includes: a PCBA assembly second hole (33) corresponding to a plurality of upper housing positioning posts (11), wherein the upper housing positioning posts (11) are interference-fitted into the PCBA assembly second hole (33).

9. The rotary gear shifter according to claim 1, characterized in that, The PCBA assembly (3) includes several self-tapping screws (35). The knob core (4) is connected to the PCBA assembly (3) by several self-tapping screws (35); The baffle plate (8) is snapped into the inner core (4) of the knob. The knob (7) is snapped into the stop seat (5); The display panel (8) and the knob (7) are also provided with a decorative ring (9), wherein the decorative ring (9) is snapped to the inner wall of the knob (7).

10. A motor vehicle, comprising a gear shifting system, characterized in that, The shifting system includes a rotary shifter as described in any one of claims 1-9.

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