A shift actuator

Abstract

The present application belongs to the technical field of gear shift actuator, and particularly relates to a gear shift actuator. The gear shift actuator provided by the present application comprises a main body and a control module, a shift lever is arranged in the main body, the shift lever is hinged to the main body and can swing around its own axis, the shift lever is linked with a sliding pair mechanism, the shift lever drives the sliding pair mechanism to move in the swinging process, the control module acquires signals according to the swinging position of the shift lever and sends a gear shift instruction to a transmission. The gear shift actuator adopts the sliding pair mechanism, the contact is face-to-face in the transmission process, the contact area is large, the gear shift resistance is small, the gear shift is stable and wear-resistant, and the gear shift feeling is crisp.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of gear shifters, and particularly relates to a gear shifter. BACKGROUND

[0002] A gear shifter, also known as a shift lever, is an important component of a bicycle derailleur system. Generally, the function of a bicycle derailleur system is to adjust the position of the chain on different gears, thereby changing the resistance and speed during riding. The shift lever is one of the main means for riders to operate the derailleur system.

[0003] A gear shifter is usually composed of a handle, a lever, and internal components. The handle is installed on the handlebar, and the rider can control the operation of the derailleur system by rotating or pressing the handle. The lever is generally installed on the derailleur, as it needs to stretch or relax the chain to switch to different gears. When the handle is rotated or pressed, it will send a signal to the lever, and the lever will adjust the position of the chain according to the different signals to achieve the effect of gear shifting.

[0004] Different types of bicycles usually use different gear shifters. The gear shifter of a road bike is generally simple, while a mountain bike needs a more complex gear shifter because it needs to frequently shift gears to adapt to different road conditions and slopes. Some high-end mountain bikes use electronic gear shifters, which can transmit signals faster and more accurately, improving the reliability and stability of the derailleur system.

[0005] The gear shifters of the prior art, such as CN104691699A and CN1143034A, use a ratchet and pawl mechanism to achieve gear shifting. However, the ratchet teeth of the ratchet and pawl mechanism are sharp and thin, and long-term use will cause the ratchet to wear out, resulting in problems such as noise, poor gear shifting feel, and inaccurate gear shifting.

[0006] Therefore, the prior art needs to be improved and developed. SUMMARY

[0007] The purpose of the present application is to provide a gear shifter that can provide a good gear shifting feel, and the gear shifter is stable and wear-resistant during gear shifting, prolonging the service life.

[0008] To solve the above technical problems, the gear shifter provided by the present application comprises a main body and a control module, a lever is arranged in the main body, the lever is hinged to the main body and can swing around its own axis, the lever is linked with a sliding pair mechanism, the lever drives the sliding pair mechanism to move during swinging, and the control module obtains a signal according to the swinging position of the lever and sends a gear shifting instruction to the derailleur.

[0009] Further, the sliding pair mechanism has a stop point, when the shifting lever swings and drives the sliding pair mechanism to pass the stop point, the control module sends a shift instruction to the transmission.

[0010] Further, the sliding pair mechanism comprises a first shifting member and a second shifting member, the shifting lever is provided with a first shifting part, the second shifting member is provided with a second shifting part, the surface of the first shifting part is in contact with the surface of the second shifting part and is in sliding connection, and the stop point is located on the contact surface of the surface of the first shifting part and the surface of the second shifting part.

[0011] Further, the shifting lever is provided with a groove, the first shifting member is arranged in the groove, the shifting lever is hinged with the first shifting member, a first reset member is arranged in the groove, one end of the first reset member is in abutment with the first shifting member, and the other end of the first reset member is in abutment with the side wall of the groove.

[0012] Further, the control module comprises a controller and a Hall element, the Hall element is electrically connected with the controller, the shifting lever is provided with a magnet, and the Hall element senses the magnetic field strength of the magnet arranged on the shifting lever.

[0013] Further, the control module is arranged in a control box, and the control box is arranged below the main body.

[0014] Further, the shifting lever comprises a first shifting lever and a second shifting lever.

[0015] Further, the first shifting lever is provided with a first end part, and the first shifting lever is in abutment with the second shifting lever through the first end part.

[0016] Further, a code table is further included, and the code table is rotatably connected with the main body.

[0017] Further, the code table is provided with an adjusting tooth, the main body is provided with a tooth groove, and the adjusting tooth of the code table is matched with the tooth groove of the main body.

[0018] As can be seen from the above, the shift shifter adopts the sliding pair mechanism, the surface-to-surface contact is adopted in the transmission process, the contact area is large, the shift resistance is small, the shift is stable and wear-resistant, and the shift feeling is crisp. In the shift process of the first shifting lever and the second shifting lever of the shift shifter, the sliding pair mechanism arranged on the first shifting lever is repeatedly used, and an additional sliding pair mechanism does not need to be arranged on the second shifting lever, so that the complexity of the overall structure is reduced, and the reliability of the shift shifter is improved.

[0019] Additional features and advantages of the application will be set forth in the description that follows, and in part will become apparent from the description, or can be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 Figure 1 is a perspective view of a shift actuator of the present application.

[0021] Figure 2 Figure 2 is another perspective view of the shift actuator of the present application.

[0022] Figure 3 Figure 3 is an exploded view of the shift actuator of the present application.

[0023] Figure 4 Figure 4 is a front view of the shift actuator of the present application.

[0024] Figure 5 Figure 5 is a top view of the shift actuator of the present application.

[0025] Figure 6 Figure 6 is a perspective view of a first actuator lever of the present application.

[0026] Figure 7 Figure 7 is a longitudinal section view of the first actuator lever of the present application.

[0027] Figure 8 Figure 8 is a schematic view of a second actuator lever of the present application.

[0028] Figure 9 Figure 9 is a longitudinal section view of the shift actuator at the first actuator lever of the present application.

[0029] Figure 10 Figure 10 is a longitudinal section view of the shift actuator at the second actuator lever of the present application.

[0030] Figure 11 Figure 11 is a schematic view of the oscillation of the first actuator lever of the present application.

[0031] REFERENCE NUMERALS:

[0032] 1, code table; 101, display screen; 102, first connecting part; 1021, adjusting tooth; 103, button; 104, first wiring hole; 2, main body; 21, second connecting part; 211, tooth groove; 22, fixing ring; 3, shell; 4, first shifting lever; 41, first end part; 411, receiving part; 42, groove; 43, second end part; 431, first magnet mounting groove; 44, first shifting member; 441, first shifting part; 442, first mounting part; 45, first return member; 5, first button; 6, second shifting lever; 61, third end part; 62, fourth end part; 621, second magnet mounting groove; 7, second button; 8, second shifting member; 81, second shifting part; 82, abutting part; 8A, pushing surface; 8B, return surface; 9, second return member; 10, third return member; 11, fourth return member; 12, first pin; 13, second pin; 14, third pin; 15, control box; 151, control box housing; 152, sealing cover; 153, circuit board; 154, first Hall element; 155, second Hall element; 156, second wiring hole; 16, transmission. DETAILED DESCRIPTION

[0033] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the same or similar components or components having the same or similar functions are denoted by the same or similar reference numerals throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are for the purpose of explaining the present application only, and are not to be construed as limiting the present application.

[0034] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be construed as limiting the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be construed as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0035] In the description of the application, it is necessary to point out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "linking" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0036] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0037] The following disclosure provides many different embodiments or examples for implementing different structures of the application. In order to simplify the disclosure of the application, the components and arrangements of specific examples are described in the following. Of course, they are only examples, and the purpose is not to limit the application. In addition, the application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or arrangements discussed. In addition, the application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0038] Figure 1 A perspective view of the shift knob of the present application is shown, Figure 2 Another perspective view of the shift knob of the present application is shown, Figure 3The exploded view of the shift actuator of the present application is shown. The shift actuator of the present application is installed on the handlebar of the bicycle, which is the accessory for controlling the rotation direction of the front wheel of the bicycle. The shift actuator is in communication with the derailleur 16, which can be connected to the shift actuator by cable or wireless radio frequency signal. When the rider encounters the road surface that needs to be shifted (such as uphill and downhill) during the ride, the rider interacts with the shift actuator, which sends an electrical signal to the derailleur 16, drives the derailleur 16 to move the chain, and hangs the chain on different number of sprocket pieces, thereby changing the gear ratio of the derailleur system to achieve the purpose of shifting.

[0039] The derailleur 16 can be an external derailleur or an internal derailleur, Figure 1 The internal derailleur is shown, Figure 2 The external derailleur is shown. The external derailleur refers to the derailleur 16 installed on the right side of the rear hub of the bicycle, which changes the gear ratio by adjusting the chain running on different size sprockets to achieve the purpose of shifting. The advantage of the external derailleur is that the shifting range is large, the gear ratio adjustment is fine, and it is suitable for various road conditions and riding needs. The specific structure of the internal derailleur can be referred to the granted invention patent entitled "Bicycle rear derailleur", patent number ZL201811167048.6. The internal derailleur refers to the internal hidden component hidden in the rear hub, which changes the gear ratio by adjusting the internal gear combination to achieve the purpose of shifting. The advantage of the internal derailleur is that it is easy to maintain, not easily affected by the external environment, relatively light in weight, and simple in appearance. The specific structure of the internal derailleur can be referred to the granted invention patent "A hand self automatic bicycle automatic internal derailleur, bicycle and shifting method" applied by the applicant in 2014, patent number ZL201410712074.8. The shift actuator of the present application can be used for external derailleur and internal derailleur, which can adapt to various different situations and needs, and has wider application value.

[0040] Figure 4 The front view of the shift actuator of the present application is shown. Figure 5The application shows a top view of the shift knob. The shift knob comprises a code table 1, a main body 2 and a connecting part. The upper part of the code table 1 is a display part, and the lower part is a connecting part. A display screen 101 and a button 103 for interaction are installed on the upper part of the code table 1. The display screen 101 of the code table 1 can display the current speed, power, time, gear information, shift mode and other contents. Pressing the button 103 can cycle the displayed content. The lower part of the code table 1 is a first connecting part 102, which is annular. The outer periphery of the first connecting part 102 is provided with an adjusting tooth 1021. The tooth shape of the adjusting tooth 1021 can be triangular, trapezoidal or the like. Correspondingly, the main body 2 is provided with a second connecting part 21. The inner periphery of the second connecting part 21 is provided with a tooth groove 211 corresponding to the adjusting tooth 1021. The outer diameter of the first connecting part 102 is slightly smaller than the inner diameter of the second connecting part 21. The first connecting part 102 of the code table 1 is sleeved on the second connecting part 21 of the main body 2. The code table 1 can rotate and be clamped within a certain angle. Cyclists can adjust the code table 1 to the appropriate angle according to the actual needs. The bottom of the code table 1 is provided with a first wiring hole 104. The cable is connected to the first wiring hole 104 for power supply and transmission of video data to the display screen 101.

[0041] In order to install the shift knob on the handlebar, the second connecting part 21 of the main body 2 is provided with a fixing ring 22. One end of the fixing ring 22 is connected with a fastener. By locking the fastener, the code table 1 and the main body 2 can be firmly installed on the handlebar.

[0042] The main body 2 is a hollow cuboid structure with open ends, the lower end of the main body 2 is connected with the control box 15, the upper end of the main body 2 is provided with a dustproof and waterproof cover, the main body 2 is provided with a first lever and a second lever, specifically, the first lever includes a first lever 4 and a second lever 6, the first lever 4 can be defined as a upshift lever, and the second lever 6 can be defined as a downshift lever, the first lever 4 is longer than the second lever 6, and the second lever 6 is higher than the first lever 4 after assembly. The main body 2 is provided with two front and rear through holes, respectively provided with a first pin 12 and a second pin 13, the first pin 12 is used for hinging the first lever 4 and the second lever 6, so that the first lever 4 and the second lever 6 can swing around the axis of the first pin 12, and the second pin 13 is used for hinging the second lever 8, so that the second lever 8 can swing around the axis of the second pin 13. In order to make the lever return to the initial position after pressing, and the second lever 8 returns to the initial position after being stressed, the third reset member 10 and the fourth reset member 11 are sleeved on the first pin 12, and the second reset member 9 is sleeved on the second pin 13. Specifically, one end of the third reset member 10 abuts against the left inner wall of the main body 2, and the other end abuts against the side surface of the first lever 4; one end of the fourth reset member 11 also abuts against the left inner wall of the main body 2, and the other end abuts against the side surface of the second lever 6; one end of the second reset member 9 abuts against the right inner wall of the main body 2, and the other end abuts against the side surface of the second lever 8. In this embodiment, the second reset member 9, the third reset member 10 and the fourth reset member 11 can be selected as torsion springs.

[0043] Figure 6 A perspective view of the first lever 4 is shown, Figure 7 A longitudinal section view of the first lever 4 is shown, Figure 9The longitudinal section of the shift actuator at the first shift lever 4 is shown. The first shift lever 4 includes a first end 41 for mounting the first button 5, which is a part directly contacted and pressed by the thumb of the rider, and the surface of which is provided with a convex pattern to provide greater friction, thereby preventing slipping, and a second end 43 provided with a first magnet mounting groove 431 in which a magnet (not shown) is mounted. A recess 42 is provided between the first end 41 and the second end 43, and a first shift member 44 is provided in the recess 42. A through hole is formed in the first shift lever 4, and a third pin 14 is mounted, and the first shift member 44 is sleeved on the third pin 14, so that the first shift member 44 rotates around the axis of the third pin 14. The right side surface of the first shift member 44 is provided with a first shift portion 441, which is a convex structure, and the opposite side surface of the first shift portion 441 is provided with a first return member 45. Specifically, the first return member 45 is a compression spring, one end of which abuts against the left side surface of the recess 42, and the other end of which abuts against the left side surface of the first shift member 44. In order to prevent the first return member 45 from being detached, the first shift member 44 is provided with a first mounting portion 442 in the shape of a cylinder, and the compression spring is sleeved on the first mounting portion 442, so as to ensure that the compression spring is always in contact with the right side surface of the first shift member 44 during compression and return.

[0044] As shown in Figure 8 , the second shift member 8 is in the shape of L, and specifically includes a second shift portion 81 and an abutting portion 82, the abutting portion 82 abutting against the right inner wall of the main body 2 most of the time under the action of the second return member 9, and the left side surface of the second shift member 8 is divided into two parts by the second shift portion 81, one part being a push travel surface 8A and the other part being a return travel surface 8B. The side surface of the first shift portion 441 is in contact with the push travel surface 8A and the return travel surface 8B of the second shift member 8, thereby forming a sliding pair mechanism.

[0045] It should be noted that the movement of the shift lever and the sliding pair mechanism is mainly to let the rider know that the shift operation is completed. In fact, the shift actuator needs to obtain the swing position of the shift lever, and after the shift lever swings to a specific position, a shift instruction is sent to the derailleur 16, and the derailleur 16 receives the instruction and performs shifting, which is the complete shifting process.

[0046] In the embodiment, a control module is arranged to obtain a signal when the lever is swung to a specific position. The control module is arranged in a control box 15 which is composed of a control box shell 151 with an open upper end and a sealing cover 152. A circuit board 153 is installed in the control box 15, and a controller and two Hall elements are soldered on the circuit board 153. The two Hall elements include a first Hall element 154 and a second Hall element 155. The first Hall element 154 is arranged to sense the magnetic field strength of the magnet installed on the first lever 44, and the second Hall element 155 is arranged to sense the magnetic field strength of the magnet installed on the second lever 8. A second wiring hole 156 is arranged on the side of the control box 15 to connect the power supply to the circuit board 153 and transmit data between the circuit board 153 and external devices.

[0047] Figure 11 A schematic diagram of the swinging process of the first lever 4 is shown. When the rider presses the button to swing the first lever 4 downward, i.e., the first lever 4 rotates clockwise. During the swinging process, the third return member 10 is compressed, the side surface of the first lever 44 slides along the push surface 8A, and at the same time, the first lever 44 rotates counterclockwise. The right side surface of the first lever 44 is separated from the right side surface of the groove 42, the left side surface of the first lever 44 is closer to the left side surface of the groove 42, the first return member 45 is compressed, and the position of the first lever 44 is opposite to that of the second lever 8. When the side surface of the first lever 44 slides from the push surface 8A to the return surface 8B, the height difference between the circular surface where the return surface 8B is located and the end surface of the second lever 8 is large, the elastic force stored in the first return member 45 is released instantaneously, the right side surface of the first lever 44 collides with the right side surface of the groove 42 for a short time, and a crisp sound is emitted. The rider can determine whether the gear is successfully shifted by the sound. During the process, the second lever 8 is always subjected to a pressure in the right and downward direction and the force of the second return member 9, so the second lever 8 remains stationary. The second end 43 of the first lever 4 swings to the lowest position and is opposite to the first Hall element 154 directly below, and the linear distance between them is the smallest. The first Hall element 154 senses the peak value of the magnetic field strength, the controller determines the shift signal according to the shift logic program written in it, and sends a gear up command to the derailleur 16 immediately. The derailleur 16 completes the subsequent shift operation.

[0048] The stop point refers to the time point when the position of the first lever 44 is opposite to that of the second lever 8. Before the stop point, no matter how the first lever 4 moves, the shift lever will not emit a sound and will not send a gear up command. After the stop point, the shift lever will immediately emit a sound and immediately send a gear up command. The shift lever must have the above-mentioned stop point, otherwise the rider is not clear about how far the first lever 4 is pressed to successfully shift gears.

[0049] The rider releases the button after hearing the sound, the first lever 4 rotates counterclockwise under the action of the third reset member 10, the first lever 4 drives the first driving member 44 to rotate counterclockwise synchronously, at this time, the first driving part 441 of the first driving member 44 slides along the return surface 8B in the opposite direction, the first driving part 441 abuts against the return surface 8B, since the force of the first driving member 44 on the second driving member 8 is vertically upward, and the direction of the first reset member 45 at this time is horizontal, therefore the first reset member 45 will not be compressed, the first driving part 441 rotates counterclockwise, forcing the second driving member 8 to rotate clockwise against the elastic force of the second reset member 9, the second driving member 8 is lifted, the abutting part 82 of the second driving member 8 is separated from the right inner wall of the main body 2, and the second driving member 8 leaves the movement space of the first driving part 441. The first lever 4 continues to rotate counterclockwise, the first driving part 441 slides to the push surface 8A, and the upshift operation is completed. The force of the push surface 8A on the first driving part 441 and the force of the third reset member 10 on the first lever 4 cancel each other out, so that the first lever 4 has a certain pre-tightening force and will not shake with the vibration of the bicycle.

[0050] When the rider needs to perform the downshift operation, the rider presses the second button 7 to drive the second lever 6 to swing downward, since the first lever 4 is provided with an extended receiving part 411 at the first end part 41, the receiving part 411 abuts against the bottom of the second lever 6, and the second lever 6 swings downward to drive the first lever 4 to swing downward synchronously, and the action process of the first lever 4 is the same as described above. Figure 10 As shown in the figure, the second lever 6 includes a third end part 61 and a fourth end part 62, similar to the first lever 4, the fourth end part 62 of the second lever 6 is provided with a second magnet mounting groove 621, and a magnet is mounted in the second magnet mounting groove 621, the fourth end part 62 of the second lever 6 swings to the lowest position and is opposite to the second Hall element 155 directly below, the first Hall element 154 and the second Hall element 155 simultaneously sense the peak value of the magnetic field strength, the controller judges it as a downshift signal according to the shift logic program written in it, and immediately sends a downshift instruction to the derailleur 16, and the derailleur 16 completes the subsequent shift operation.

[0051] In the shift process of the first lever 4 and the second lever 6 of the shift actuator, the sliding pair mechanism arranged on the first lever 4 is repeatedly used, and an additional sliding pair mechanism does not need to be arranged on the second lever 6, which reduces the complexity of the overall structure and improves the reliability of the shift actuator. The sliding pair mechanism is in surface contact during transmission, has a large contact area, small shift resistance, is stable and wear-resistant, and has a crisp shift feel.

[0052] In the description of the specification, the description of the terms "one embodiment", "certain embodiments", "exemplary embodiment", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0053] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of protection of the present application.

Claims

1. A shift actuator characterized by, The device comprises a main body (2) and a control module, a lever is arranged in the main body (2), the lever is hinged to the main body (2) and can swing around its own axis, the lever is linked with a sliding pair mechanism, the lever drives the sliding pair mechanism to move during swinging, the control module obtains signals according to the swinging position of the lever and sends a gear shifting instruction to a transmission (16); The sliding pair mechanism has a stop point, when the lever drives the sliding pair mechanism to pass the stop point during swinging, the control module sends a gear shifting instruction to the transmission (16); The sliding pair mechanism comprises a first lever (44) and a second lever (8), the first lever (44) is provided with a first lever part (441), the second lever (8) is provided with a second lever part (81), the left side surface of the second lever (8) is divided into a pushing surface (8A) and a return surface (8B) by the second lever part (81), the side surface of the first lever part (441) is in contact with and slides with the left side surface of the second lever (8), and the stop point is located on the contact surface between the surface of the first lever part (441) and the left side surface of the second lever part (81).

2. A shift detent as defined in claim 1, wherein The lever is provided with a groove (42), the first lever (44) is arranged in the groove (42), the lever is hinged to the first lever (44), a first reset part (45) is arranged in the groove (42), one end of the first reset part (45) is in abutment with the first lever (44), and the other end of the first reset part (45) is in abutment with the side wall of the groove (42).

3. A shift detent as defined in claim 1, wherein The control module comprises a controller and a Hall element, the Hall element is electrically connected to the controller, a magnet is arranged on the lever, and the Hall element senses the magnetic field strength of the magnet arranged on the lever.

4. A shift detent as defined in claim 1, wherein The control module is arranged in a control box (15), and the control box (15) is arranged below the main body (2).

5. A shift detent as defined in claim 1, wherein The lever comprises a first lever (4) and a second lever (6).

6. A shift detent as defined in claim 5, wherein The first lever (4) is provided with a first end part (41), and the first lever (4) is in abutment with the second lever (6) through the first end part (41).

7. A shift detent as defined in claim 1, wherein A code table (1) is further arranged, and the code table (1) is rotatably connected to the main body (2).

8. A shift detent as defined in claim 7, wherein The code table (1) is provided with an adjusting tooth (1021), the main body (2) is provided with a tooth groove (211), and the adjusting tooth (1021) of the code table (1) is matched with the tooth groove (211) of the main body (2).

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