Chronograph-style car keys and car components

Abstract

This utility model discloses a meter-type car key and a car component. The meter-type car key includes: a meter, which includes a housing and a communication element. The housing has a mounting cavity in which the communication element is installed; a strap connected to the housing for wearing by a person; and a signal amplifier installed on the strap, used to transmit and amplify the communication signal of the communication element. The signal amplifier can transmit and amplify the communication signal emitted by the communication element, thus significantly enhancing the communication signal. Because the signal amplifier is installed on the clasp, that is, outside the mounting cavity, interference or shielding of the communication signal transmitted by the signal amplifier can be avoided by the metal of the housing and electronic components such as the screen. This allows the signals transmitted and / or received by the communication element to interact with external vehicles or accessories, ensuring that the meter-type car key can correctly identify vehicle signals and improve the control effect of the car.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and in particular to a meter-type car key and automotive components. Background Technology

[0002] With the continuous development of technology, smartwatches have become an indispensable part of people's lives. One particularly convenient function is operating a car key via a smartwatch. This is achieved by using a communication element installed within the watch to receive and transmit frequency signals from the vehicle's infotainment system, allowing users to operate the car key function through the watch. However, current smartwatches typically place the communication element inside the watch itself. This element is susceptible to interference from the watch's metal casing and internal electronic components. This high level of interference reduces the signal reception and transmission performance of the communication element, making it difficult for the watch to accurately identify vehicle signals and potentially causing signal reception failure, thus preventing the watch from fulfilling its normal car key function requirements. Utility Model Content

[0003] The main purpose of this invention is to propose a meter-type car key, aiming to solve the technical problem of how to improve the signal transmission effect between the meter-type car key and the car.

[0004] To achieve the above objectives, the meter-type car key proposed in this utility model includes:

[0005] The meter head includes a housing and a communication element. The housing has a mounting cavity, and the communication element is mounted in the mounting cavity.

[0006] Watch strap, which is attached to the housing for wearing by a person;

[0007] A signal amplifier, mounted on the watchband, is used to transmit and amplify the communication signal of the communication element.

[0008] Optionally, the watch strap has a receiving cavity, and the signal amplifier is installed in the receiving cavity.

[0009] Optionally, the meter head further includes a main control board and an electrical connector. The main control board is installed in the mounting cavity, and the communication element is installed in the main control board. The outer casing has a cable port communicating with the mounting cavity. The electrical connector extends along the watch strap. One end of the electrical connector extends into the receiving cavity and is electrically connected to the signal amplifier, and the other end extends into the mounting cavity and is electrically connected to the main control board.

[0010] Optionally, the watch strap is provided with a wiring channel that extends along the length of the watch strap. One end of the wiring channel is connected to the receiving cavity, and the other end passes through the end wall of the watch strap near the outer casing. The electrical connector is disposed in the wiring channel.

[0011] Optionally, the outer casing includes a middle frame, the outer side wall of the middle frame is provided with a mounting groove, and the wire passage is provided at the bottom of the mounting groove; the end wall of the watch strap is provided with a mounting boss, the wire passage passes through the mounting boss, and the wire passage passes through the mounting groove and is fixedly engaged with it.

[0012] Optionally, the watch head type car key also includes a protective component. The watch band has a mounting groove at one end near the middle frame. The mounting groove and the wiring channel are arranged adjacent to each other along the thickness direction of the watch band. A part of the protective component mates with the mounting groove, and another part extends from the wiring port into the mounting cavity and is connected to the middle frame. The protective component is pressed against the electrical connector. The deformation resistance of the protective component is greater than that of the watch band.

[0013] Optionally, the outer side wall of the middle frame is provided with at least two limiting protrusions, the at least two limiting protrusions are arranged circumferentially along the middle frame, the mounting groove is located between two adjacent limiting protrusions, and one end of the watch strap connected to the middle frame is located between two adjacent limiting protrusions.

[0014] Optionally, the outer wall of the watch strap has a bulge corresponding to the receiving cavity, and the watch head car key also includes a watch buckle, which is connected to the watch strap and covers the bulge, and the watch buckle is used to adjust the wearing length of the watch strap.

[0015] Optionally, the watch strap includes a first strap body and a second strap body, the first strap body and the second strap body are respectively connected to opposite sides of the outer casing, the receiving cavity is located at the end of the first strap body away from the outer casing, the watch buckle is connected to the first strap body, the second strap body is provided with at least two connection positions, the at least two connection positions are spaced apart along the length direction of the second strap body, and the at least two connection positions are switchably connected to the watch buckle.

[0016] Optionally, the electrical connector includes a flexible circuit board.

[0017] This utility model also proposes an automotive component, which includes an automotive vehicle and a meter-type automotive key as described above, the meter-type automotive key being communicatively connected to the automotive vehicle.

[0018] In the technical solution of this meter-type car key, a signal amplifier is installed on the strap. The signal amplifier transmits and amplifies the communication signal emitted by the communication element, thus significantly enhancing the communication signal. Since the signal amplifier is installed on the clasp, outside the mounting cavity, interference or shielding of the communication signal transmitted by the metal casing and electronic components such as the screen can be avoided. This allows the signals transmitted and / or received by the communication element to interact with external vehicles or accessories, ensuring that the meter-type car key can correctly identify vehicle signals and improve the control effect on the vehicle. Attached Figure Description

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

[0020] Figure 1 This is a schematic diagram of the structure of an embodiment of the meter-type car key of this utility model;

[0021] Figure 2 This is a cross-sectional view of an embodiment of the meter-type car key of this utility model;

[0022] Figure 3 for Figure 2 A magnified view of a section at point A in the middle;

[0023] Figure 4 This is an exploded view of the structure of an embodiment of the meter-type car key of this utility model;

[0024] Figure 5 This is an exploded cross-sectional view of an embodiment of the meter-type car key of this utility model;

[0025] Figure 6 for Figure 5 A magnified view of a section at point B in the middle.

[0026] Explanation of icon numbers:

[0027]

[0028] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0031] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the meaning of "and / or" throughout the text is to include three parallel solutions; for example, "A and / or B" includes solution A, solution B, or a solution that simultaneously satisfies A and B. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0032] With the continuous development of technology, smartwatches have become an indispensable part of people's lives. One particularly convenient function is operating a car key via a smartwatch. This is achieved by using a communication element installed within the watch to receive and transmit frequency signals from the vehicle's infotainment system, allowing users to operate the car key function through the watch. However, current smartwatches typically place the communication element inside the watch itself. This element is susceptible to interference from the watch's metal casing and internal electronic components. This high level of interference reduces the signal reception and transmission performance of the communication element, making it difficult for the watch to accurately identify vehicle signals and potentially causing signal reception failure, thus preventing the watch from fulfilling its normal car key function requirements.

[0033] This utility model proposes a meter-type car key, aiming to solve the technical problem of how to improve the signal transmission effect between the meter-type car key and the car.

[0034] In the embodiments of this utility model, such as Figures 1 to 3 As shown, Figure 1 This is a schematic diagram of the structure of an embodiment of the meter-type car key of this utility model; Figure 2 This is a cross-sectional view of an embodiment of the meter-type car key of this utility model; Figure 3 for Figure 2 A magnified view of a portion of point A in the middle.

[0035] The watch head type car key includes: a watch head 10, which includes a housing 11 and a communication element 30. The housing 11 has a mounting cavity, and the communication element 30 is mounted in the mounting cavity; a watch strap 20, which is connected to the housing 11 for wearing by a person; and a signal amplifier 70, which is mounted on the watch strap 20 and is used to transmit and amplify the communication signal of the communication element 30.

[0036] In this embodiment, the watch-style car key can be understood as integrating the car key's vehicle control function into a smartwatch, allowing users to control their car by wearing the smartwatch on their wrist. The watch-style car key may only have the function of controlling the car, or it may also have other functions such as displaying the time and providing notifications.

[0037] The mounting cavity provides housing and protection for the communication element 30. The watch strap 20 allows the user to wear it on their wrist to attach the watch head car key.

[0038] The communication element 30 is used to achieve wireless communication with the vehicle so that the user can control the vehicle through the meter-type car key. There are many ways for the communication element 30 to communicate with the vehicle system, such as wireless communication through Bluetooth, 3G network, 4G network or 5G network, etc., which are not limited here.

[0039] For example, communication element 30 can be part of a smart key system. A smart key system (PASSIVEKEYLESS ENTER), or PKE for short, employs RFID wireless radio frequency technology and a vehicle identification coding system. It utilizes a miniaturized, low-power radio frequency antenna development scheme, integrating a remote control system and a keyless system. It retains traditional vehicle circuit protection, achieving dual radio frequency systems and dual anti-theft protection. In the PKE system, the car acts as a base station, and the meter-type car key acts as a transponder to achieve two-way communication. Communication element 30 includes components such as a receiving antenna, a microcontroller, a high-frequency transmitting circuit, a low-frequency receiving circuit, and control switches.

[0040] Of course, communication element 30 can also be a component in ultra-wideband wireless carrier communication technology. Ultra-wideband (UWB) employs a new ultra-wideband wireless technology that differs significantly from traditional communication technologies. It transmits and receives data from vehicles using extremely narrow pulses at or below the nanosecond level, boasting a bandwidth in the range of 3.1–10.6 GHz, making it less susceptible to interference from other signals. Through the UWB interaction between the meter-type car key and the vehicle's UWB, the positioning algorithm can identify the distance to the vehicle at the centimeter level, easily achieving rapid response and allowing users to control their vehicles automatically and seamlessly while wearing the meter-type car key.

[0041] The signal amplifier 70 can be a miniature repeater. The signal amplifier 70 can receive communication signals from the communication element 30, amplify the communication signals, and then transmit them. In this way, the communication signals can be greatly enhanced, so that the communication element 30 can interact more effectively with external vehicles or accessories through the amplified communication signals.

[0042] Since the signal amplifier 70 is mounted on the strap 20, which is outside the mounting cavity, the metal and electronic components such as the screen of the housing 11 can be prevented from interfering with or shielding the communication signals transmitted by the signal amplifier 70. This allows the signals transmitted and / or received by the communication element 30 to interact with external vehicles or accessories, ensuring that the meter-type car key can correctly identify vehicle signals and improve the control effect of the car.

[0043] The communication element 30 can be installed on the surface of the watch strap 20 or inside the watch strap 20, and there is no limitation on this.

[0044] Specifically, such as Figure 5 As shown, the watch strap 20 has a receiving cavity 21, in which the signal amplifier 70 is mounted. The receiving cavity 21 can hide and protect the signal amplifier 70, thereby improving the overall appearance of the watch strap 20 and enhancing the protection of the signal amplifier 70. The watch strap 20 is a non-metallic component, such as leather, TPU, or silicone, to prevent the watch strap 20 from conducting electricity and causing electric shock to the user or short circuit to the watch head car key.

[0045] The signal amplifier 70 can be powered by an independent battery or share a battery within the meter 10 with the communication element 30. For example, a battery electrically connected to the signal amplifier 70 can be installed in the housing 21 to provide power to the signal amplifier 70, so that the signal amplifier 70 does not need to be powered by the power source within the meter 10.

[0046] In practical applications, such as Figures 2 to 4 As shown, Figure 4This is an exploded structural view of an embodiment of the meter-type car key of this utility model. The meter head 10 also includes a main control board 12 and an electrical connector 40. The main control board 12 is installed in the mounting cavity, and the communication element 30 is installed in the main control board 12. The outer shell 11 has a cable passage 111 communicating with the mounting cavity. The electrical connector 40 extends along the watch strap 20. One end of the electrical connector 40 extends into the receiving cavity 21 and is electrically connected to the signal amplifier 70, and the other end extends into the mounting cavity and is electrically connected to the main control board 12.

[0047] The main control board 12 is a circuit board that can directly distribute power to the communication element 30 and transmit control signals, enabling the communication element 30 to operate or standby according to the user's control commands. The main control board 12 can also distribute power to the signal amplifier 70 through the electrical connector 40. The signal amplifier 70 can remain normally open or only be turned on when the communication element 30 transmits communication signals; there are no restrictions on this. The electrical connector 40 extends directly into the mounting cavity through the cable port 111 and connects to the main control board 12, allowing direct power exchange between the electrical connector 40 and the main control board 12 without the need for an additional intermediate conductor. This simplifies the power exchange method between the electrical connector 40 and the main control board 12 and improves power-on stability.

[0048] The electrical connector 40 can be a conductive wire harness or a flexible printed circuit board (FPC), without limitation. The electrical connector 40 can extend along the surface of the watchband 20 or inside the watchband 20, without limitation. It is understood that the electrical connector 40 is flexible and bendable, allowing it to bend and deform along with the watchband 20. The flexible printed circuit board has a wider width, better toughness, and is less prone to breakage than a wire, thus improving the structural stability of the electrical connector 40. High-frequency circuitry can also be integrated on the flexible printed circuit board, enabling the signal amplifier 70 to simultaneously possess both high-frequency and low-frequency signal transmission functions.

[0049] The electrical connector 40 can be a conductive wire harness or a flexible printed circuit board (FPC), without limitation. The electrical connector 40 can extend along the surface of the watchband 20 or inside the watchband 20, without limitation. It is understood that the electrical connector 40 is flexible and bendable, allowing it to bend and deform along with the watchband 20. The flexible printed circuit board has a wider width, better toughness, and is less prone to breakage than a wire, thus improving the structural stability of the electrical connector 40. High-frequency circuitry can also be integrated on the flexible printed circuit board, enabling the signal amplifier 70 to simultaneously possess both high-frequency and low-frequency signal transmission functions.

[0050] The electrical connector 40 can be directly connected to the main control board 12 inside the mounting cavity for power supply, or it can be indirectly connected to the main control board 12 through an intermediate conductor; there are no restrictions on this.

[0051] For example, such as Figure 5 As shown, the watch strap 20 is provided with a wiring channel 22, which extends along the length of the watch strap 20. One end of the wiring channel 22 communicates with the receiving cavity 21, and the other end passes through the end wall of the watch strap 20 near the outer casing 11. The electrical connector 40 is disposed within the wiring channel 22. The portion of the electrical connector 40 extending along the watch strap 20 is located within the wiring channel 22, thereby concealing and protecting the electrical connector 40, improving the overall appearance of the watch strap 20, and enhancing the protection of the electrical connector 40.

[0052] Specifically, such as Figures 4 to 6 As shown, Figure 6 for Figure 5 A partial enlarged view at point B. The outer casing 11 includes a middle frame 112, with an assembly groove 113 on the outer side wall of the middle frame 112. The cable routing port 111 is located at the bottom of the assembly groove 113. The end wall of the watch strap 20 has a protruding assembly boss 23, through which the cable routing channel 22 passes and is fixedly engaged with the assembly groove 113. The assembly boss 23 protrudes from the end of the watch strap 20 near the outer casing 11, and the engagement of the assembly boss 23 with the assembly groove 113 achieves a fixed connection between the watch strap 20 and the outer casing 11. The cable routing channel 22 can pass through the end wall of the assembly boss 23, allowing the electrical connector 40 to pass through the assembly boss 23 and then extend into the mounting cavity from the cable routing port 111. This effectively conceals the portion of the electrical connector 40 between the cable routing port and the watch strap 20, improving the protection of the electrical connector 40 and preventing it from contacting the user.

[0053] The watch strap 20 can be bent and deformed by its own flexibility. When the watch strap 20 is bent, the main deformation position is the part connected to the middle frame 112. The part of the electrical connector 40 at the wire passage 111 will also be repeatedly bent as the watch strap 20 is deformed.

[0054] In practical applications, such as Figures 3 to 6 As shown, the watch head type car key also includes a protective component 50. The watch strap 20 has a mounting groove 24 at one end near the middle frame 112. The mounting groove 24 and the wiring channel 22 are arranged adjacent to each other along the thickness direction of the watch strap 20. Part of the protective component 50 cooperates with the mounting groove 24, and another part extends from the wire passage 111 into the mounting cavity and is connected to the middle frame 112. The protective component 50 is pressed against the electrical connector 40. The deformation resistance of the protective component 50 is greater than that of the watch strap 20.

[0055] The mounting slot 24 can be connected to the wiring channel 22, or it can be separated from the wiring channel 22 by a flexible partition; there are no restrictions on this. The protective component 50 has elastic deformation capability, and the material of the protective component 50 can be leather, silicone, or TPU; there are no restrictions on this. The portion of the electrical connector 40 at the cable entry 111 is sandwiched between the protective component 50 and the watch band 20. Since the deformation resistance of the protective component 50 is greater than that of the watch band 20, that is, under the same force, the deformation range of the protective component 50 is less than that of the watch band 20, the bending deformation range of the watch band 20 near the outer shell 11 is limited, and thus the deformation range of the electrical connector 40 close to the protective component 50 is also reduced accordingly. In this way, the electrical connector 40 is prevented from being repeatedly bent with large amplitude, thereby preventing the portion of the electrical connector 40 at the cable entry 111 from easily breaking and causing poor power connection between the main control board 12 and the signal amplifier 70, thereby improving the structural stability of the electrical connector 40 and the power connection stability between the main control board 12 and the signal amplifier 70.

[0056] For example, such as Figure 4 As shown, at least two limiting protrusions 114 are provided on the outer side wall of the middle frame 112. These at least two limiting protrusions 114 are spaced apart circumferentially along the middle frame 112. The mounting groove 113 is located between two adjacent limiting protrusions 114, and one end of the watch strap 20 connected to the middle frame 112 is located between two adjacent limiting protrusions 114. The number of limiting protrusions 114 can be four, with each pair of adjacent limiting protrusions 114 forming a group. Two groups of limiting protrusions 114 are used to limit the two ends of the watch strap 20. The adjacent limiting protrusions 114 are located on both sides of the width direction of the watch strap 20, thereby limiting the deformation of the ends of the watch strap 20 along the width direction, reducing the deformation of the electrical connector 40 along the width direction of the watch strap 20, and further preventing the electrical connector 40 from being pulled and broken, thus further improving the protection effect on the electrical connector 40.

[0057] Specifically, such as Figure 4 and Figure 5 As shown, the outer wall of the watch strap 20 has a bulge 25 corresponding to the receiving cavity 21. The watch head car key also includes a buckle 60, which is connected to the watch strap 20 and covers the bulge 25. The buckle 60 is used to adjust the wearing length of the watch strap 20. The thickness of the watch strap 20 at the bulge 25 is greater than the thickness at other locations, thereby allowing the watch strap 20 to maintain a relatively small overall thickness.

[0058] The buckle 60 allows the user to adjust the wearing length of the watch strap 20, enabling them to adjust the tightness of the strap 20 according to their wrist size. For two-section watch straps 20, the buckle 60 also connects or disconnects the two sections, allowing the user to adjust the strap length simultaneously. Depending on its specific form, the buckle 60 may include a hook clasp, concealed clasp, butterfly clasp, leather snap clasp, folding safety clasp, folding buckle, or pin buckle. The buckle 60 may be a non-metallic component to avoid shielding interference with the signal of the signal amplifier 70. The buckle 60 also covers and protects the raised portion 25, improving the overall appearance of the watch strap 20 and further enhancing the protection of the signal amplifier 70.

[0059] In practical applications, such as Figure 1 As shown, the watch strap 20 includes a first strap body 26 and a second strap body 27. The first strap body 26 and the second strap body 27 are respectively connected to opposite sides of the outer casing 11. The receiving cavity 21 is located at the end of the first strap body 26 away from the outer casing 11. The watch buckle 60 is connected to the first strap body 26. The second strap body 27 is provided with at least two connection positions 271. The at least two connection positions 271 are spaced apart along the length direction of the second strap body 27. The at least two connection positions 271 can be switched to be connected to the watch buckle 60.

[0060] The connection point 271 can be a connection hole, and the buckle 60 can have a protruding connection post. The connection post can be detachably connected to different connection holes, thereby enabling the switching connection between each connection point 271 and the buckle 60. The user can select the appropriate wearing length to wear the watch strap 20 on the wrist by connecting the buckle 60 to different connection points 271. The buckle 60 is connected to the end of the first strap body 26 away from the outer casing 11, and the electrical connector 40 extends inside the first strap body 26 and protrudes from the end of the first strap body 26 near the buckle 60.

[0061] This utility model also proposes an automotive component, which includes a car and a meter-type car key. The specific structure of the meter-type car key is as described in the above embodiments. Since this automotive component adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be repeated here. The meter-type car key is communicatively connected to the car.

[0062] The above description is only an optional embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A meter-type car key, characterized in that, include: The meter head includes a housing and a communication element. The housing has a mounting cavity, and the communication element is mounted in the mounting cavity. Watch strap, which is attached to the housing for wearing by a person; A signal amplifier, mounted on the watchband, is used to transmit and amplify the communication signal of the communication element; The watch strap has a receiving cavity, and the signal amplifier is installed in the receiving cavity; The meter head also includes a main control board and an electrical connector. The main control board is installed in the mounting cavity, and the communication element is installed in the main control board. The outer casing has a cable port communicating with the mounting cavity. The electrical connector extends along the watch strap. One end of the electrical connector extends into the receiving cavity and is electrically connected to the signal amplifier, and the other end extends into the mounting cavity and is electrically connected to the main control board. The watch strap is provided with a wiring channel that extends along the length of the watch strap. One end of the wiring channel is connected to the receiving cavity, and the other end passes through the end wall of the watch strap near the outer shell. The electrical connector is located within the wiring channel; The outer wall of the watch strap has a bulge corresponding to the receiving cavity. The watch head car key also includes a watch buckle, which is connected to the watch strap and covers the bulge. The watch buckle is used to adjust the wearing length of the watch strap.

2. The meter-type car key as described in claim 1, characterized in that, The outer casing includes a middle frame, and an assembly groove is provided on the outer side wall of the middle frame. The cable routing port is located at the bottom of the assembly groove. An assembly boss is provided on the end wall of the watch strap, and the cable routing channel passes through the assembly boss. The assembly boss is fixedly engaged with the assembly groove.

3. The meter-type car key as described in claim 2, characterized in that, The watch head type car key also includes a protective component. The watch band has a mounting groove at one end near the middle frame. The mounting groove and the wiring channel are arranged adjacent to each other along the thickness direction of the watch band. A part of the protective component mates with the mounting groove, and another part extends from the wiring port into the mounting cavity and is connected to the middle frame. The protective component is pressed against the electrical connector. The deformation resistance of the protective component is greater than that of the watch band.

4. The meter-type car key as described in claim 2, characterized in that, The outer wall of the middle frame is provided with at least two limiting protrusions, which are spaced apart along the circumference of the middle frame. The mounting groove is located between two adjacent limiting protrusions, and one end of the watch strap connected to the middle frame is located between two adjacent limiting protrusions.

5. The meter-type car key as described in claim 1, characterized in that, The watch strap includes a first strap body and a second strap body, which are respectively connected to opposite sides of the outer casing. The receiving cavity is located at the end of the first strap body away from the outer casing. The watch buckle is connected to the first strap body. The second strap body has at least two connection positions, which are spaced apart along the length of the second strap body. The at least two connection positions can be switched to be connected to the watch buckle.

6. The meter-type car key as described in any one of claims 1 to 4, characterized in that, The electrical connector includes a flexible circuit board.

7. An automotive component, characterized in that, Includes a car and a meter-type car key as described in any one of claims 1 to 6, wherein the meter-type car key is communicatively connected to the car.

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