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JP-3255753-U - Electromagnetically driven chassis assemblies and rhythmic furniture

JP3255753UJP 3255753 UJP3255753 UJP 3255753UJP-3255753-U

Abstract

This application relates to the art of furniture and provides an electromagnetically driven chassis assembly and a rhythmic furniture. The electromagnetically driven chassis assembly includes a first frame, a second frame, a guide mechanism and an electromagnet drive mechanism, the electromagnet drive mechanism includes a coil unit and a magnetic unit, between the coil unit and the magnetic unit, magnetic power is generated by a change in the magnetic field, causing both the first frame and the second frame to move relative to each other, the coil unit is provided with a moving channel, the magnetic unit includes a transmission shaft whose end is connected to the second frame and two magnets, the transmission shaft is movably drilled into the moving channel and the two magnets are provided on the transmission shaft, at least a part of the structure of each extends into the moving channel and the magnetic poles at opposite ends are the same, and when the direction of the current is changed, the properties of the interaction between the two magnets and the coil unit are simultaneously changed, making it easier to control the direction of movement of the transmission shaft, thereby enabling high-precision control of the movement of the transmission shaft.

Inventors

  • 曹 樹漢
  • 陳 美萍

Assignees

  • 深▲せん▼遠超智慧生活股▲ふん▼有限公司

Dates

Publication Date
20260508
Application Date
20240314
Priority Date
20240207

Claims (13)

  1. First frame (100), A second frame (200) that is movable relative to the first frame (100), A guide mechanism (300) is provided between the first frame (100) and the second frame (200) and is used to guide the relative movement of the first frame (100) and the second frame (200), An electromagnet drive mechanism (400) including a coil unit (410) and a magnetic unit (420), wherein the first frame (100) is connected to the coil unit (410), the second frame (200) is connected to the magnetic unit (420), and the electromagnet drive mechanism (400) between the coil unit (410) and the magnetic unit (420) generates magnetic power by a change in the magnetic field, causing both the first frame (100) and the second frame (200) to move relative to each other. An electromagnetically driven chassis assembly characterized in that the coil unit (410) is provided with a movable channel (411), the magnetic unit (420) includes a transmission shaft (421) whose end is connected to the second frame (200), and two magnets (422), the transmission shaft (421) being movably drilled into the movable channel (411), and the two magnets (422) being provided on the transmission shaft (421), with at least a portion of each structure extending into the movable channel (411) and having the same magnetic poles at opposing ends.
  2. The electromagnetically driven chassis assembly according to claim 1, characterized in that a gap L is provided between the two magnets (422), and the range of the value of L is 2 mm to 10 mm.
  3. The electromagnetically driven chassis assembly according to claim 2, characterized in that the magnetic unit (420) includes an isolation sheet (423) provided between the two magnets (422), one end of the isolation sheet (423) abutting against one of the magnets (422), and the other end of the isolation sheet (423) abutting against the other of the magnets (422).
  4. The electromagnetically driven chassis assembly according to claim 1, characterized in that the magnetic unit (420) further includes a positioning structure, the positioning structure being provided on the transmission shaft (421) and used to restrict the movement of the two magnets (422) relative to the axis of the transmission shaft (421).
  5. The positioning structure is Both are two positioning washers (424) fitted onto the transmission shaft (421), with the two magnets (422) positioned between them, and the two positioning washers (424) in one-to-one contact with the magnets (422), The electromagnetically driven chassis assembly according to claim 4, further comprising two positioning members (425) fixedly connected to the transmission shaft (421), the two positioning members (425) being in one-to-one contact with the two positioning washers (424) in order to restrict the movement of the positioning washers (424) relative to the axis of the transmission shaft (421).
  6. Both ends of the second frame (200) corresponding to the transmission shaft (421) are provided with connecting plates (210), and the connecting plates (210) are provided with connecting channels (211) having openings, and the ends of the transmission shaft (421) move along the openings until they are inserted and fitted into the connecting channels (211). The electromagnetically driven chassis assembly according to claim 1, characterized in that a fastening assembly for fixing the transmission shaft (421) and the connecting plate (210) is provided between each end of the transmission shaft (421) and each of the connecting plates (210).
  7. The fastening assembly includes a first fastening member (510), a second fastening member (520), and a stopper plate (530), wherein the first fastening member (510) and the second fastening member (520) are located on opposite sides of the connecting plate (210) and are fixedly connected to the end of the transmission shaft (421), the stopper plate (530) is fitted onto the end of the transmission shaft (421) and is fixedly connected to the connecting plate (210), and the outer diameter of the stopper plate (530) is larger than the inner diameter of the connecting channel (211). The electromagnetically driven chassis assembly according to claim 6, characterized in that the first fastening member (510) is located on the surface of the connecting plate (210) away from the central part of the transmission shaft (421), and the stopper plate (530) is located between the first fastening member (510) and the connecting plate (210), and the three are in contact with each other.
  8. The coil unit (410) is A mounting frame (412) is connected to the first frame (100) and is provided with the movable channel (411), The electromagnetically driven chassis assembly according to claim 1, characterized by comprising a coil body (413) provided on the mounting frame (412).
  9. The electromagnetically driven chassis assembly according to claim 8, characterized in that the mounting frame (412) is a stainless steel irregularly shaped frame.
  10. The electromagnetically driven chassis assembly according to claim 1, characterized in that the electromagnet drive mechanism (400) comprises multiple sets, and the multiple sets of electromagnet drive mechanisms (400) are arranged with a gap between the first frame (100) and the second frame (200).
  11. The guide mechanism (300) is Guide elastic plate (310), A first fixing unit comprising a first fixing member (321), a first pressing member (322), and a first connecting structure, wherein one end of the guide elastic plate (310) is sandwiched between the first fixing member (321) and the first pressing member (322), and the one end of the guide elastic plate (310), the first fixing member (321), and the first pressing member (322) are all fixedly connected to the first frame (100) via the first connecting structure. A second fixing unit comprising a second fixing member (331), a second pressing member (332), and a second connecting structure, wherein the other end of the guide elastic plate (310) is sandwiched between the second fixing member (331) and the second pressing member (332), and the other end of the guide elastic plate (310), the second fixing member (331), and the second pressing member (332) are all fixedly connected to the second frame (200) via the second connecting structure. The electromagnetically driven chassis assembly according to claim 1, characterized in that the first fixing member (321) is provided with a first position-limiting recess (3211), the second fixing member (331) is provided with a second position-limiting recess (3311), and the widths of both the first position-limiting recess (3211) and the second position-limiting recess (3311) are compatible with the width of the guide elastic plate (310).
  12. First magnetic modules (610) are provided at both opposing ends of the first frame (100), and second magnetic modules (620) are provided at both opposing ends of the second frame (200), with the first magnetic modules (610) and the second magnetic modules (620) corresponding to each other one-to-one and spaced apart. The electromagnetically driven chassis assembly according to claim 1, characterized in that the magnetic poles at the opposing ends of both the first magnetic module (610) and the second magnetic module (620) are the same.
  13. A rhythmic furniture comprising the electromagnetically driven chassis assembly described in any one of claims 1 to 12.

Description

This application claims priority to the Chinese patent application filed with the China National Intellectual Property Office on February 7, 2024, application number 2024101744737, with the title "Electromagnetically Driven Chassis Assembly and Rhythmic Furniture," the entire contents of which are incorporated into this application by reference. This application relates to the art of furniture, and more particularly to electromagnetically driven chassis assemblies and rhythmic furniture. As society progresses, people's quality of life is constantly improving. Rhythmic furniture is an essential item for people's leisure time, and the back-and-forth movement of rhythmic furniture enhances their quality of life. Conventional rhythmic furniture typically incorporates a drive mechanism, usually driven by a magnetic power drive, between a first and second frame that move relatively relative to each other. In related technology, a utility model with publication number CN219148428U discloses a vibration chassis structure for a new type of massage chair. Specifically, the drive mechanism includes a coil and a magnet on one side of the coil, and is driven by a change in the magnetic field between the coil and the magnet. However, this drive structure has a problem: if the magnet and coil are too close, they are prone to collision, or if they are too far apart, the magnetic power is insufficient. This application provides an electromagnetically driven chassis assembly to solve the problems of the prior art, where the combined components of the drive mechanism may collide during magnetic drive, or where there is insufficient magnetic power. This application is, The first frame and, A second frame that is movable relative to the first frame, A guide mechanism provided between the first frame and the second frame, used to guide the relative movement of the first frame and the second frame, An electromagnet drive mechanism including a coil unit and a magnetic unit, wherein the first frame is connected to the coil unit and the second frame is connected to the magnetic unit, and the electromagnet drive mechanism between the coil unit and the magnetic unit generates magnetic power by a change in the magnetic field, causing both the first frame and the second frame to move relative to each other. The coil unit is provided with a moving channel, and the magnetic unit includes a transmission shaft whose end is connected to the second frame and two magnets, the transmission shaft being movably drilled into the moving channel, and the two magnets being provided on the transmission shaft, with at least a portion of each structure extending into the moving channel and having the same magnetic poles at opposite ends, thereby providing an electromagnetically driven chassis assembly. According to the electromagnetically driven chassis assembly provided in this application, a gap L is provided between the two magnets, and the value of L is in the range of 2 mm to 10 mm. According to the electromagnetically driven chassis assembly provided in this application, the magnetic unit includes an isolation sheet provided between the two magnets, with one end of the isolation sheet in contact with one of the magnets and the other end of the isolation sheet in contact with the other magnet. According to the electromagnetically driven chassis assembly provided in this application, the magnetic unit further includes a positioning structure, which is provided on the transmission shaft and used to restrict the movement of the two magnets relative to the axis of the transmission shaft. According to the electromagnetically driven chassis assembly provided in this application, the positioning structure is Both are two positioning washers fitted onto the transmission shaft, with the two magnets positioned between them, and the two positioning washers in one-to-one contact with the magnets, The system includes two positioning members fixedly connected to the transmission shaft, the two positioning members being in one-to-one contact with the two positioning washers in order to restrict the movement of the positioning washers relative to the axis of the transmission shaft. According to the electromagnetically driven chassis assembly provided in this application, connecting plates are provided at both ends of the second frame corresponding to the transmission shaft, the connecting plates are provided with connecting channels having openings, and the ends of the transmission shaft move along the openings until they are inserted and fitted into the connecting channels. Here, a fastening assembly for fixing the transmission shaft and the connecting plate is provided between each end of the transmission shaft and each of the connecting plates. According to the electromagnetically driven chassis assembly provided in this application, the fastening assembly includes a first fastening member, a second fastening member, and a stopper plate, the first fastening mem