Multifunctional neck pillow and car seat

Abstract

The utility model relates to the technical field of automobile parts discloses a multifunctional neck pillow and car seat, including mould body, the multifunctional neck pillow includes neck pillow body, and its inside has integrated heating module and massage module, connector, its be located on the neck pillow body, and have electrical wiring end and / or gas path interface, electrical wiring end is configured as with heating module and / or massage module electricity is connected, gas path interface is configured as with massage module intercommunication, fixed component, it includes the fixed structure for detachably installed on the target carrier, and the connecting structure that establishes on the fixed structure, and connecting structure includes electrical interface and / or ventilation pipeline, and with connector forms the plug -in connection, when connecting structure and connector connect, electrical interface and electrical wiring end contact conduction, and / or ventilation pipeline and gas path interface butt joint intercommunication, the utility model has the advantages of being easy to dismount with heating and massage function.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and in particular to a multifunctional neck pillow and car seat. Background Technology

[0002] Currently, most car seats do not come with a dedicated neck pillow at the factory; users must purchase an aftermarket product. Most aftermarket neck pillows on the market use a traditional structure combining a cover and filling. While they provide basic physical support, their functionality is limited; they lack heating and massage functions, making them unsuitable for comfort in cold weather or long-distance driving.

[0003] To overcome the aforementioned functional limitations, some neck pillow products with integrated heating or massage modules have emerged in the existing technology. However, these products generally suffer from the problem that the neck pillow cannot be flexibly disassembled or adjusted, which severely limits their adaptability and ease of use in different car seat models, making it difficult to meet users' needs for a balance of personalization, versatility, and functionality. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the existing technology, the technical problem to be solved by this utility model is to provide a multifunctional neck pillow and car seat that combines heating and massage functions and is easy to disassemble and assemble.

[0005] The technical solution adopted by this utility model to solve its technical problem is to provide a multifunctional neck pillow, comprising:

[0006] The neck pillow body integrates a heating module and a massage module;

[0007] A connector is provided on the neck pillow body and has an electrical terminal and / or an air circuit interface. The electrical terminal is configured to be electrically connected to the heating module and / or the massage module; the air circuit interface is configured to be connected to the massage module.

[0008] A fixing assembly, the fixing assembly including a fixing structure for detachable mounting on a target carrier, and a connecting structure provided on the fixing structure, the connecting structure including an electrical interface and / or a ventilation pipe, and forming a plug-in connection with the connector;

[0009] When the connection structure is connected to the connector, the electrical interface is in contact with the electrical terminal and / or the ventilation pipe is connected to the air passage interface.

[0010] In the aforementioned multifunctional neck pillow, the fixing structure includes a fixing base with a fixing hole. The fixing hole is used to install the fixing structure onto the target carrier via fasteners.

[0011] In the aforementioned multifunctional neck pillow, the fixing base is provided with a first recessed groove that is recessed downward from its surface. The fixing hole is located at the bottom of the first recessed groove and penetrates through the bottom of the groove to communicate with the target carrier. When the fixing structure is installed on the target carrier, the head or top of the fastener is located in the first recessed groove.

[0012] In the aforementioned multifunctional neck pillow, the connecting structure includes a second recessed groove that is recessed downward from the surface of the fixing seat. The electrical interface and the ventilation pipe are disposed in the second recessed groove. The ventilation pipe has an extension that penetrates the bottom of the second recessed groove and extends away from the neck pillow body.

[0013] In the aforementioned multifunctional neck pillow, there is an installation gap between the inner wall of the second sinking groove and the outer wall of the electrical interface and the ventilation pipe, and at least one snap-fit ​​interface is provided on the inner wall of the second sinking groove. The outer wall of the connector is provided with a snap-fit ​​part that corresponds to the snap-fit ​​interface and forms a snap-fit ​​connection. When the snap-fit ​​part snaps into the snap-fit ​​interface, the neck pillow body can be fixed on the fixed structure.

[0014] In the aforementioned multifunctional neck pillow, the fixing structure further includes a limiting edge protruding upward from the surface of the fixing seat. The limiting edge and the surface of the fixing seat cooperate to form a U-shaped groove, and a baffle is slidably provided in the U-shaped groove. The baffle is configured to slide back and forth between an open position and a locked position. When the baffle slides to the locked position, it can block the top openings of the first sinking groove and the second sinking groove.

[0015] In the aforementioned multifunctional neck pillow, the U-shaped groove is provided with a sliding groove arranged along the sliding direction of the baffle. A gear damper is provided on one side of the sliding groove. Part of the saw teeth of the gear damper are rotatably embedded in the sliding groove. The baffle has a slider that is slidably disposed in the sliding groove and meshes with the saw teeth.

[0016] In the aforementioned multifunctional neck pillow, the neck pillow body has an extension end, the extension end has an installation interface communicating with the interior of the neck pillow body, and the connector is detachably connected to the installation interface via fasteners.

[0017] The technical solution adopted by this utility model to solve its technical problem is to provide a car seat, including a seat body and a support frame disposed inside the seat body. The seat body is provided with a mounting part, the mounting part is provided with a mounting hole that penetrates itself, and the mounting part is provided with the aforementioned multifunctional neck pillow. The fixing structure is detachably connected to the support frame, and the connector is detachably inserted into the fixing structure through the mounting hole.

[0018] In one of the aforementioned car seats, the mounting portion is further provided with a cover plate, which is fitted around the periphery of the mounting hole and forms a snap-fit ​​connection with the fixing structure. The cover plate also has a through groove for the connector to pass through.

[0019] Compared with the prior art, the present invention has at least the following beneficial effects:

[0020] 1. In this utility model, the neck pillow includes a neck pillow body integrating a heating module and a massage module, a connector disposed on the neck pillow body and having an electrical wiring terminal and / or an air circuit interface, a fixing structure for detachable installation on a target carrier, and a connecting structure disposed on the fixing structure. The connecting structure includes an electrical interface and / or an air duct, and forms a plug-in connection with the connector. When the connecting structure is connected to the connector, the electrical interface contacts and conducts through the electrical wiring terminal, and / or the air duct connects and communicates with the air circuit interface. This design not only realizes the multi-functional integration of the neck pillow, but also achieves the separation of the neck pillow body from the vehicle-mounted fixing part through modular connectors and fixing components. This allows users to simultaneously complete the mechanical locking, electrical path establishment, and air circuit connection of the neck pillow with a simple plug-in action, thus solving the inherent contradiction between functional integration, convenient disassembly and assembly, and versatility, significantly improving user experience and product practicality.

[0021] 2. In this utility model, the connecting structure includes a second recessed groove that is recessed downward from the surface of the fixing base. The electrical interface and the ventilation pipe are located in the second recessed groove, and the ventilation pipe has an extension that penetrates the bottom of the second recessed groove and extends away from the neck pillow body. This design not only provides a protective space for the precision interface, avoiding contamination or damage when not in use, but also achieves reliable connection with an external air source through the extension, thereby further enhancing the system's scalability and long-term reliability.

[0022] 3. In this utility model, the fixing base is also provided with a limiting edge protruding upward from its surface. The limiting edge and the surface of the fixing base cooperate to form a U-shaped groove, and a baffle is slidably provided in the U-shaped groove. The baffle is configured to slide between an open position and a locked position. When the baffle is in the locked position, it can cover the top openings of the first and second sinking grooves. This design ensures that, in the non-use state, key components such as fasteners, electrical interfaces, and ventilation pipes are effectively sealed by the baffle. This not only significantly improves the overall appearance and aesthetics of the product and achieves a "hidden" interface layout, but also effectively prevents dust, liquid, or foreign objects from entering the sinking groove, avoiding contamination or damage to electrical contacts or air interfaces. At the same time, it reduces the risk of accidental contact by users and further enhances the product's environmental adaptability, protective performance, and high-end quality. Attached Figure Description

[0023] Figure 1 This is a structural schematic diagram of a multifunctional neck pillow according to the present invention.

[0024] Figure 2 This is an exploded view of a multifunctional neck pillow according to this utility model.

[0025] Figure 3 for Figure 2 A structural diagram from another perspective.

[0026] Figure 4 This is a schematic diagram of the structure of the baffle in the locked position in this utility model.

[0027] Figure 5 This is a structural schematic diagram of a car seat according to the present invention.

[0028] Figure 6 This is an exploded view of a car seat according to the present invention.

[0029] Figure 7 for Figure 6 A structural diagram from another perspective.

[0030] In all the accompanying drawings, the same reference numerals denote the same technical features, specifically:

[0031] 100. Neck pillow body; 110. Extension end; 111. Mounting interface; 112. Connecting hole; 200. Connector; 201. Snap-fit ​​part; 210. Electrical wiring terminal; 220. Air circuit interface; 230. Base plate; 231. Through hole; 300. Fixing structure; 310. Fixing base; 311. Fixing hole; 312. First recessed groove; 320. Limiting edge; 321. U-shaped groove; 322. Slide groove; 330. Baffle; 331. Slider 340, Gear damper; 400, Connecting structure; 410, Electrical interface; 420, Ventilation duct; 421, Extension; 430, Second recessed groove; 431, Snap-fit ​​interface; 500, Seat body; 510, Mounting part; 511, Mounting hole; 600, Support frame; 610, Bracket; 620, Connecting piece; 621, First connecting part; 622, Second connecting part; 623, Locking hole; 700, Cover plate; 710, Through groove. Detailed Implementation

[0032] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0033] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0034] Furthermore, in this utility model, the use of terms such as "first," "second," and "a" is 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 as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0035] In this utility model, unless otherwise explicitly specified and limited, the terms "connection," "fixing," etc., should be interpreted broadly. For example, "fixing" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0036] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0037] like Figures 1 to 4 As shown, this embodiment provides a multifunctional neck pillow, comprising:

[0038] The neck pillow body 100 integrates a heating module and a massage module.

[0039] A connector 200 is disposed on the neck pillow body 100 and has an electrical terminal 210 and / or an air interface 220. The electrical terminal 210 is configured to be electrically connected to the heating module and / or the massage module; the air interface 220 is configured to be connected to the massage module.

[0040] The fixing assembly includes a fixing structure 300 for detachable mounting on a target carrier, and a connecting structure 400 provided on the fixing structure 300. The connecting structure 400 includes an electrical interface 410 and / or a ventilation duct 420 and forms a plug-in connection with the connector 200.

[0041] When the connecting structure 400 is connected to the connector 200, the electrical interface 410 contacts and conducts with the electrical terminal 210, and / or the ventilation pipe 420 connects and communicates with the air interface 220. This design not only realizes the multi-functional integration of the neck pillow, but also achieves the separation of the neck pillow body 100 from the vehicle-mounted fixing part through the modular connector 200 and fixing components. This allows users to simultaneously complete the mechanical locking, electrical path establishment, and air path connection of the neck pillow with a simple plug-and-play action, thus solving the inherent contradiction between functional integration, convenient disassembly and assembly, and versatility, significantly improving the user experience and product practicality.

[0042] like Figures 1 to 4 As shown, the multifunctional neck pillow provided in this embodiment of the invention can be applied to car seats, office chairs, aircraft seats, or other target carriers with supporting structures. The neck pillow as a whole includes three parts: the neck pillow body 100, the connector 200, and the fixing components.

[0043] The neck pillow body 100 has multiple flexible pads (not shown in the figure) inside, and a heating module (not shown in the figure) and a massage module (not shown in the figure) are sandwiched between adjacent pads. The heating module is preferably a flexible heating pad, which is composed of low-voltage safe heating elements such as conductive fabric, carbon fiber heating wire or PTC ceramic sheet, and can release heat evenly after being powered on to provide gentle heat to the user's neck area.

[0044] The massage module can be pneumatic or electric, preferably pneumatic. When a pneumatic structure is used, the massage module includes an inflatable bag integrating multiple independent airbags, which are distributed in a preset layout in the neck support area of ​​the neck pillow body 100. Driven by an external air source or a micro air pump, the airbags alternately inflate and deflate, dynamically pressing and kneading the neck and shoulder muscles, thereby effectively relieving muscle tension and fatigue caused by prolonged sitting or driving.

[0045] Furthermore, the neck pillow body 100 has an extension end 110 on the side near the connector 200. This extension end 110 has a mounting interface 111 that communicates with the interior of the neck pillow body 100, and the connector 200 is detachably connected to the mounting interface 111 via fasteners (bolts or screws). This design allows the connector 200 to be separated and disassembled from the neck pillow body 100, facilitating partial replacement or maintenance of the corresponding components when the connector 200 or the neck pillow body 100 is damaged, the interface is worn, or a functional upgrade is required, without the need for complete scrapping. This effectively reduces usage costs and improves the product's maintainability, durability, and long-term value.

[0046] In this embodiment, the connector 200 is fixedly or detachably mounted on the extension end 110 of the neck pillow body 100, and has an electrical terminal 210 and / or an air interface 220. The electrical terminal 210 is configured to be electrically connected to the heating module and / or the massage module for transmitting power and control signals. The air interface 220 is configured to communicate with the massage module for introducing or exporting compressed gas to drive the pneumatic massage function. This configuration integrates the power and air interface 220 into the connector 200, providing a structural basis for quick and reliable connection between the neck pillow body 100 and external power supply devices, control units, or fixing components.

[0047] Furthermore, the connector 200 includes a base plate 230, an electrical terminal 210, and a pneumatic interface 220 vertically disposed on the base plate 230. Among them, the electrical terminal 210 adopts a USB Type-C interface, which has high compatibility, supports reversible plugging and unplugging, and data and power combined transmission capabilities.

[0048] Furthermore, the airway interface 220 has three sections, each corresponding to an airbag control channel for a different area, to achieve independent massage in each zone. The electrical terminal 210 has one section, arranged in a straight line with the three airway interfaces 220 along the length of the base plate 230. This design is compact, facilitates alignment and insertion, and also improves the assembly accuracy and reliability of the connection structure 400.

[0049] Furthermore, the connector 200 has through holes 231 extending along the thickness direction at both ends of the substrate 230. Fasteners (such as screws or bolts) pass through the through holes 231 and engage with corresponding connection holes 112 on the extension end 110 to securely fix the connector 200 to the extension end 110 of the neck pillow body 100. This connection method has a simple structure and is easy to assemble and disassemble, making it convenient to replace the connector 200 individually when the interface is damaged, the function is upgraded, or maintenance and cleaning are required, further improving the modularity and maintainability of the product.

[0050] In this embodiment, the fixing component includes a fixing structure 300 and a connecting structure 400 disposed on the fixing structure 300. The fixing structure 300 is designed for detachable installation on a target carrier (such as a car seat headrest bracket 610, an office chair backrest, or other support structure), exhibiting good universal adaptability. The connecting structure 400 integrates an electrical interface 410 and / or a ventilation pipe 420, and is configured to form a plug-in mating fit with the connector 200 on the neck pillow body 100. When the connecting structure 400 and the connector 200 are plugged in, the electrical interface 410 and the electrical terminal 210 on the connector 200 achieve electrical contact and conduction, used for transmitting power and control signals; simultaneously, the ventilation pipe 420 and the air passage interface 220 on the connector 200 achieve airtight mating connection to establish a compressed gas flow path. This plug-in connection method allows for simultaneous mechanical positioning, power transmission, and air circuit connection, significantly improving installation efficiency and ease of use. It also provides structural support for the quick disassembly, maintenance, or replacement of the neck pillow body 100.

[0051] Furthermore, the fixing structure 300 includes a rectangular fixing base 310, which has a circular fixing hole 311. The fixing hole 311 is used to install the fixing structure 300 onto the target carrier by fasteners (such as screws, bolts or quick-release pins), thereby realizing the detachable installation of the fixing structure 300.

[0052] Furthermore, the mounting base 310 is provided with a first recessed groove 312 that is recessed downwards from its surface. The first recessed groove 312 is cylindrical. A fixing hole 311 is located at the bottom of the first recessed groove 312 and penetrates through the bottom of the groove to communicate with the target carrier. When the fixing structure 300 is installed on the target carrier, the top of the fastener is located inside the first recessed groove 312, that is, it is not higher than the outer surface of the mounting base 310. This design not only makes the overall appearance smoother and more aesthetically pleasing, avoiding the risk of scratches caused by exposed fasteners, but also effectively prevents dust and liquid from accumulating in the fastening area, improving the product's protective performance and safety of use.

[0053] Preferably, the first recessed groove 312 and the fixing hole 311 are each provided in two sets, arranged in a straight line along the same axis as the electrical interface 410 and the vent pipe 420, and respectively located at both ends of the electrical interface 410 and the vent pipe 420. This layout not only facilitates the uniform distribution of installation forces and improves the stability of the fixing structure 300, but also forms symmetrical support with the interface area of ​​the connector 200, enhancing the alignment accuracy and structural reliability of the plug-in connection.

[0054] Furthermore, the connection structure 400 includes a second recessed groove 430 recessed downwards from the surface of the fixing base 310, with the electrical interface 410 and the ventilation pipe 420 arranged in a straight line within the second recessed groove 430. The ventilation pipe 420 has an extension 421 that penetrates the bottom of the second recessed groove 430 and extends away from the neck pillow body 100. This extension 421 is used for reliable connection to an external air source (such as a miniature air pump or air supply line) to ensure stable operation of the pneumatic massage function. This design not only provides a protective space for the precision interface, preventing contamination or damage during non-use, but also achieves reliable connection to an external air source through the extension 421, thereby further enhancing the system's scalability and long-term reliability.

[0055] Furthermore, the inner wall of the second recessed trough 430 has an installation gap with the outer wall of the electrical interface 410 and the ventilation pipe 420 to facilitate the insertion and alignment of the connector 200. Simultaneously, the inner wall of the second recessed trough 430 is provided with at least one snap-fit ​​interface 431, and the outer wall of the connector 200 is provided with a snap-fit ​​portion 201 corresponding to the snap-fit ​​interface 431 and forming a snap-fit ​​connection. When the snap-fit ​​portion 201 snaps into the snap-fit ​​interface 431, the neck pillow body 100 can be fixed to the fixed structure 300, preventing the connection from becoming loose due to vehicle vibration or external force.

[0056] Preferably, multiple card interfaces 431 are provided and arranged at intervals along the circumference of the second recessed groove 430; correspondingly, multiple snap-fit ​​parts 201 are also provided and arranged at intervals along the circumference of the connector 200, corresponding one-to-one with the card interfaces 431. This circumferential multi-point snap-fit ​​structure not only improves the stability and torsional resistance of the connection, but also ensures the alignment accuracy during the insertion process, realizing a convenient operation experience of "one-plug lock, one-press release", taking into account both safety and user-friendliness.

[0057] Furthermore, the fixing structure 300 also includes a limiting edge 320 protruding upward from the periphery of the surface of the fixing base 310. The limiting edge 320 and the surface of the fixing base 310 cooperate to form a U-shaped groove 321. A baffle 330 is slidably provided in the U-shaped groove 321. The baffle 330 is configured to slide back and forth between an open position and a locked position. When the baffle 330 slides to the locked position, it can cover the top openings of the first recessed groove 312 and the second recessed groove 430. This design ensures that, in the non-use state, key components such as fasteners, electrical interfaces 410, and ventilation pipes 420 are effectively sealed by the baffle 330. This not only significantly improves the overall appearance and aesthetics of the product and achieves a "hidden" interface layout, but also effectively prevents dust, liquids, or foreign objects from entering the recessed grooves, avoiding contamination or damage to electrical contacts or air interfaces 220. At the same time, it reduces the risk of accidental contact by users and further enhances the product's environmental adaptability, protective performance, and high-end quality.

[0058] Furthermore, the U-shaped groove 321 is provided with a sliding groove 322 arranged along the sliding direction of the baffle 330. A gear damper 340 is provided on one side of the sliding groove 322. Part of the sawtooth of the gear damper 340 is rotatably embedded in the sliding groove 322, and the baffle 330 has a slider 331 that is slidably disposed in the sliding groove 322 and meshes with the sawtooth. Preferably, the slider 331 is strip-shaped. When the user pushes the baffle 330 to slide, the slider 331 drives the sawtooth of the gear damper 340 to rotate. The damper provides a smooth and controllable sliding damping force through its internal friction or elastic resistance, so that the baffle 330 runs smoothly and without impact during movement, and can remain stable at any intermediate position, avoiding accidental slippage of the baffle 330 due to vehicle vibration or external force. This structure takes into account both the operating feel and functional reliability, improving the human-computer interaction experience and product durability.

[0059] Furthermore, when the baffle 330 slides to the open position, it completely removes the obstruction of the top openings of the first recessed groove 312 and the second recessed groove 430, facilitating the user's installation / removal of fasteners or insertion / removal of the connector 200. Simultaneously, the baffle 330 remains fully contained within the U-shaped groove 321, without protruding outwards or detaching from the fixing seat 310. This design prevents the baffle 330 from being exposed, warped, or interfering with other components in the open state. This not only ensures structural stability and safety during operation but also maintains the overall neatness of the product's contours, preventing scratches, hooks, or accidental damage caused by the baffle 330 extending, further enhancing ease of use and product reliability.

[0060] like Figures 5 to 7 As shown, this utility model embodiment also provides a car seat, including a seat body 500 and a support frame 600 disposed inside the seat body 500. The seat body 500 is provided with a mounting part 510, and the mounting part 510 is provided with a rectangular mounting hole 511 that penetrates itself along the thickness direction. The mounting part 510 is provided with the aforementioned multifunctional neck pillow. The fixing structure 300 is detachably connected to the support frame 600, and the connector 200 is detachably inserted into the fixing structure 300 through the mounting hole 511, thereby realizing the quick assembly and functional docking of the neck pillow body 100 and the seat.

[0061] Furthermore, the mounting section 510 is also equipped with a cover plate 700, which is fitted around the periphery of the mounting hole 511 and forms a snap-fit ​​connection with the fixing structure 300. The cover plate 700 has a rectangular through slot 710 for the connector 200 to pass through. This design ensures that the connector 200 can be smoothly inserted or removed, and also provides shielding and protection for the area around the mounting hole 511 when not in operation. This not only enhances the integrity and aesthetics of the overall appearance of the seat and effectively hides the internal connection structure 400, but also prevents dust, liquids, or foreign objects from entering the seat through the mounting hole 511, thereby enhancing the product's sealing performance and long-term reliability.

[0062] Furthermore, the support frame 600 adopts a split structure, including a bracket 610 and a connecting piece 620. The connecting piece 620 has a first connecting portion 621 and a second connecting portion 622 facing opposite directions. The first connecting portion 621 is fixedly connected to the bracket 610 (e.g., by welding) to ensure overall structural rigidity. The second connecting portion 622 has a locking hole 623, which corresponds to the fixing hole 311 on the fixing structure 300, for reliably locking the fixing structure 300 onto the support frame 600 using fasteners. This split design facilitates manufacturing, assembly, and subsequent maintenance. Simultaneously, the layout of the connecting piece 620 can be flexibly adjusted according to the structure of different car seat models, improving the adaptability and installation accuracy of the neck pillow system on various platforms.

[0063] Preferably, the first connecting part 621 and the second connecting part 622 are each provided in two sets. This design not only improves the overall stress balance and structural stability of the support frame 600, but also effectively disperses the load borne by the fixed structure 300 during use, avoiding local stress concentration, thereby significantly improving the reliability, durability and installation accuracy of the connection.

Claims

1. A multifunctional neck pillow, characterized in that, include: The neck pillow body integrates a heating module and a massage module; A connector is provided on the neck pillow body and has an electrical terminal and / or an air circuit interface. The electrical terminal is configured to be electrically connected to the heating module and / or the massage module; the air circuit interface is configured to be connected to the massage module. A fixing assembly, the fixing assembly including a fixing structure for detachable mounting on a target carrier, and a connecting structure provided on the fixing structure, the connecting structure including an electrical interface and / or a ventilation pipe, and forming a plug-in connection with the connector; When the connection structure is connected to the connector, the electrical interface is in contact with the electrical terminal and / or the ventilation pipe is connected to the air passage interface.

2. The multifunctional neck pillow according to claim 1, characterized in that, The fixing structure includes a fixing base with a fixing hole, and the fixing structure is installed on the target carrier by fasteners through the fixing hole.

3. A multifunctional neck pillow according to claim 2, characterized in that, The fixing base is provided with a first recessed groove that is recessed downward from its surface. The fixing hole is located at the bottom of the first recessed groove and penetrates through the bottom of the groove to communicate with the target carrier. When the fixing structure is installed on the target carrier, the head or top of the fastener is located in the first recessed groove.

4. A multifunctional neck pillow according to claim 3, characterized in that, The connection structure includes a second recessed groove that is recessed downward from the surface of the fixed base. The electrical interface and the ventilation pipe are located in the second recessed groove. The ventilation pipe has an extension that penetrates the bottom of the second recessed groove and extends away from the neck pillow body.

5. A multifunctional neck pillow according to claim 4, characterized in that, The inner wall of the second sinking trough has an installation gap with the outer wall of the electrical interface and the ventilation pipe, and the inner wall of the second sinking trough is provided with at least one snap-fit ​​interface. The outer wall of the connector is provided with a snap-fit ​​part that corresponds to the snap-fit ​​interface and forms a snap-fit ​​connection. When the snap-fit ​​part snaps into the snap-fit ​​interface, the neck pillow body can be fixed to the fixed structure.

6. A multifunctional neck pillow according to claim 4, characterized in that, The fixing structure also includes a limiting edge protruding upward from the surface of the fixing seat. The limiting edge and the surface of the fixing seat cooperate to form a U-shaped groove, and a baffle is slidably provided in the U-shaped groove. The baffle is configured to slide back and forth between the open position and the locked position. When the baffle slides to the locked position, it can block the top openings of the first sinking groove and the second sinking groove.

7. A multifunctional neck pillow according to claim 6, characterized in that, The U-shaped groove is provided with a sliding groove arranged along the sliding direction of the baffle. A gear damper is provided on one side of the sliding groove. Some of the saw teeth of the gear damper are rotatably embedded in the sliding groove. The baffle has a slider that is slidably disposed in the sliding groove and meshes with the saw teeth.

8. A multifunctional neck pillow according to claim 1, characterized in that, The neck pillow body has an extension end, the extension end has an installation interface communicating with the interior of the neck pillow body, and the connector is detachably connected to the installation interface by fasteners.

9. A car seat, characterized in that, The device includes a seat body and a support frame disposed inside the seat body. The seat body is provided with a mounting part, the mounting part is provided with a mounting hole that passes through it, and the mounting part is provided with a multifunctional neck pillow as described in any one of claims 1-8. The fixing structure is detachably connected to the support frame, and the connector is detachably inserted into the fixing structure through the mounting hole.

10. A car seat according to claim 9, characterized in that, The mounting part is also provided with a cover plate, which is sleeved around the periphery of the mounting hole and forms a snap-fit ​​connection with the fixing structure. The cover plate has a through groove for the connector to pass through.

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