CN-121987476-A - Multi-mode mechanical massage mechanism for automobile seat and control method thereof

Abstract

The invention relates to a multi-mode mechanical massage mechanism for an automobile seat and a control method thereof, wherein the multi-mode mechanical massage mechanism is arranged on a seat backrest and used for providing three modes of massage actions of jacking, kneading and knocking for the seat backrest, the multi-mode mechanical massage mechanism comprises a massage fixing frame, a massage shell, two groups of connecting rod driving mechanisms, one driving motor and two driving air bags, wherein the massage shell is arranged on the massage shell and drives four massage balls to move up and down in the massage fixing frame in a reciprocating manner, the driving motor drives the two groups of connecting rod driving mechanisms, the driving air bags are connected with a miniature air pump, the control unit is used for controlling the inflation and deflation time sequence, the multi-connecting rod mechanism is matched with a joint bearing to provide multi-degree-of-freedom swing, and the upper and lower massage balls can independently or cooperatively act. The three massage modes are realized by only one motor and one air pump, and the massage device is simple and reliable in structure, low in cost and natural in experience.

Inventors

• Fu zijing
• ZHANG DALI

Assignees

• 常州臻适科技有限公司

Dates

Publication Date

20260508

Application Date

20260320

Claims (10)

1. 1. The multi-mode mechanical massage mechanism for the automobile seat is characterized by comprising a multi-mode mechanical massage mechanism arranged on a seat backrest, wherein the multi-mode mechanical massage mechanism is used for providing three modes of massage actions of jacking, kneading and knocking for the seat backrest, and comprises a massage fixing frame fixedly connected to one side close to the B surface of the seat backrest, a massage shell arranged on the massage fixing frame and capable of moving up and down in the massage fixing frame in a reciprocating manner, two groups of connecting rod driving mechanisms which are arranged up and down and are arranged on the massage shell and used for driving four massage balls, at least one driving motor and at least two driving air bags for driving the two groups of connecting rod driving mechanisms; The connecting rod driving mechanism positioned at the upper end of the massage shell consists of an upper eccentric clutch shaft, two upper supporting connecting rods, two upper driving connecting rods and an eccentric main shaft, wherein the driving motor is arranged on the massage shell, the driving motor is connected with the eccentric main shaft through a transmission gear and drives the eccentric main shaft to rotate, the upper eccentric clutch shaft is arranged in parallel with the eccentric main shaft, two ends of the upper eccentric clutch shaft are hinged with the head ends of the two upper supporting connecting rods, the tail ends of the two upper supporting connecting rods are hinged with the middle parts of the two upper driving connecting rods, the tail ends or the positions close to the tail ends of the two upper driving connecting rods are hinged with the eccentric main shaft, the head ends of the two upper driving connecting rods are provided with the massage ball head, the upper eccentric clutch shaft is provided with a movable clutch gear and an upper air bag seat for fixing a driving air bag, the upper air bag seat is driven by the driving the upper air bag seat to drive the upper eccentric clutch shaft to displace, the movable clutch gear on the upper eccentric clutch shaft is meshed with the fixed clutch gear set, and the meshed upper eccentric clutch shaft rotates synchronously with the eccentric main shaft; The connecting rod driving mechanism at the lower end of the massage shell shares an eccentric main shaft with the connecting rod driving mechanism at the upper end of the massage shell, the connecting rod driving mechanism at the lower end of the massage shell consists of a lower air bag seat, two lower supporting connecting rods, two lower driving connecting rods and the eccentric main shaft, the two ends of the lower air bag seat are hinged with the head ends of the two lower supporting connecting rods, the tail ends of the two lower supporting connecting rods are hinged with the middle lower ends of the two lower driving connecting rods, the tail ends of the two lower driving connecting rods are hinged with the tail ends of the two upper driving connecting rods, the head ends of the two lower driving connecting rods are provided with massage balls, and the driving air bag is arranged on the lower air bag seat and drives the lower air bag seat to drive the lower supporting connecting rods to push the lower driving connecting rods.
2. 2. The multi-mode mechanical massage mechanism for an automotive seat according to claim 1, wherein the fixed clutch gear set comprises a gear bracket mounted on the massage housing, an outer input gear and an inner output gear mounted on the gear bracket, and a driving clutch seat pushing the outer input gear to mesh with the inner output gear, a side gear ring is provided on a side of the outer input gear, a side gear ring is provided on a side of the inner output gear, and the driving clutch seat pushes the side gear ring of the outer input gear to mesh with the side gear ring of the inner output gear which rotates synchronously.
3. 3. The multi-mode mechanical massage mechanism for an automobile seat according to claim 1, wherein the driving clutch seat is an air bag type driving clutch seat, the air bag type driving clutch seat comprises an air bag fixing support, an air bag moving seat and a clutch air bag, two sides of the clutch air bag are respectively fixedly connected with the air bag fixing support and the air bag moving seat, the air bag is inflated to push the air bag moving seat, the air bag moving seat pushes a side gear ring of an outer input gear to be meshed with the side gear ring, so that the outer input gear and an inner output gear synchronously rotate, the inner output gear is meshed with a fixed clutch gear fixed on an eccentric main shaft through at least one reduction gear, and the outer input gear is meshed with a movable clutch gear on an upper eccentric clutch shaft, so that power of the eccentric main shaft is transmitted to the upper eccentric clutch shaft, and the upper eccentric clutch shaft is driven to synchronously rotate.
4. 4. The multi-mode mechanical massage mechanism for an automotive seat of claim 1, wherein the drive clutch is a cylinder drive clutch or a motor and pushrod drive clutch or an electromagnetic force push clutch or an electromagnet drive clutch.
5. 5. The multi-mode mechanical massage mechanism for an automobile seat according to claim 3, wherein the air bag moving seat is fixedly connected with a self-locking rod which is arranged in parallel with the eccentric main shaft, the gear bracket is provided with a self-locking groove corresponding to the self-locking rod, and the self-locking head of the self-locking rod is driven to be inserted into the self-locking groove of the gear bracket when the gear bracket transversely moves.
6. 6. A multi-mode mechanical massage mechanism for an automotive seat as claimed in claim 5, characterized in that, The shape of the self-locking head at one side of the self-locking rod is a spherical head or a conical surface head, the shape of the self-locking groove corresponds to the shape of the self-locking head, when the massage shell receives the impact of passengers and is larger than a set value, the gear bracket in the massage shell shifts and pushes the self-locking head of the self-locking rod to be separated from the self-locking groove through the self-locking groove of the spherical head or the conical surface head, so that the collapse unlocking is completed.
7. 7. The multimode mechanical massage mechanism for an automobile seat according to claim 1, wherein the massage housing is slidably connected in a sliding rail provided on the massage fixing frame through at least two sliding rods, gears are provided at both ends of one or both sliding rods, teeth or racks with teeth are provided in the sliding rail, the sliding rods are connected with the eccentric spindle through pulleys, and the sliding rods drive the massage housing to reciprocate up and down in the massage fixing frame.
8. 8. A multi-mode mechanical massage mechanism for an automotive seat as recited in claim 1 wherein a drive air pump connecting two drive air bags is mounted within the massage housing.
9. 9. A multi-mode mechanical massage mechanism for an automotive seat as recited in claim 1 in which four of said massage bulbs are mounted on two upper drive links and two lower drive links by pivots.
10. 10. A massage method of a multi-mode mechanical massage mechanism for an automotive seat according to claim 1, characterized by comprising the steps of: step S1, jacking mode massage action, namely respectively pushing an upper air bag seat and a lower air bag seat by using two driving air bags, so that the upper air bag seat and the lower air bag seat jack up the upper driving connecting rod and the lower driving connecting rod through an upper supporting connecting rod and a lower supporting connecting rod respectively, thereby realizing synchronous lifting of four massage ball heads; s2, massaging in a kneading mode, wherein the driving motor is used for driving the eccentric main shaft to rotate, and the eccentric main shaft drives the jacked upper driving connecting rod and lower driving connecting rod to swing in a reciprocating manner, so that four massaging ball heads are kneaded; Step 3, massaging action in knocking mode, namely synchronously acting by utilizing two driving air bags and a driving motor, wherein the two driving air bags respectively push an upper air bag seat and a lower air bag seat, so that the upper air bag seat and the lower air bag seat jack up the upper driving connecting rod and the lower driving connecting rod through an upper supporting connecting rod and a lower supporting connecting rod respectively, simultaneously, the upper air bag seat pushed by the massaging air bag enables a movable clutch gear on an upper eccentric clutch shaft to be meshed with a fixed clutch gear, and finally, the driving motor drives an eccentric main shaft to rotate, and the eccentric main shaft synchronously drives the upper eccentric clutch shaft to drive the upper driving connecting rod and the lower driving connecting rod to eccentrically move, so that knocking action of four massaging ball heads is realized; And S4, mode switching, namely controlling the air bag to be inflated and deflated by using the driving air pump and controlling the driving motor to switch the multi-mode mechanical massage mechanism among a jacking mode, a knocking mode and a kneading mode.

Description

Multi-mode mechanical massage mechanism for automobile seat and control method thereof Technical Field The invention relates to the technical field of automobile seats, in particular to a multi-mode mechanical massage mechanism for an automobile seat and a control method thereof. Background With the continuous development of the automobile industry and the continuous improvement of the consumption level of residents, riding comfort has become one of the core evaluation indexes for measuring the quality of automobiles. Currently, the massage function has become the standard configuration of most automobile seats, and the main seat massage mechanism in the market mostly adopts a kneading massage air bag scheme. However, the kneading massage air bag has the defect of insufficient driving power, and needs to be arranged on the A surface (the attaching side of a human body) of the seat back, and the structural layout of the kneading massage air bag can cause interference and influence on the arrangement of a seat ventilation system and an electronic wire harness. In addition, the massage mode of traditional kneading massage air pocket is comparatively single, only can accomplish simple jack-up action, is difficult to realize diversified massage modes such as emulation is strikeed, multidimensional kneading. Disclosure of Invention In view of the above problems, the present invention is directed to a multi-mode mechanical massage mechanism for an automobile seat and a control method thereof, which are used for intelligently and stably switching between three core modes of "jack-up", "kneading" and "knocking", so as to simplify the structure, reduce the cost and improve the massage texture, and fundamentally overcome the defects of the prior art. The invention provides a multi-mode mechanical massage mechanism for an automobile seat, which comprises a multi-mode mechanical massage mechanism arranged on a seat backrest, wherein the multi-mode mechanical massage mechanism is used for providing three modes of massage actions of jacking, kneading and knocking for the seat backrest, and comprises a massage fixing frame fixedly connected to one side close to the B surface of the seat backrest, a massage shell arranged on the massage fixing frame and capable of moving up and down in the massage fixing frame in a reciprocating manner, two groups of connecting rod driving mechanisms which are arranged up and down and are arranged on the massage shell and used for driving four massage balls, at least one driving motor and at least two driving air bags for driving the two groups of connecting rod driving mechanisms; The connecting rod driving mechanism positioned at the upper end of the massage shell consists of an upper eccentric clutch shaft, two upper supporting connecting rods, two upper driving connecting rods and an eccentric main shaft, wherein the driving motor is arranged on the massage shell, the driving motor is connected with the eccentric main shaft through a transmission gear and drives the eccentric main shaft to rotate, the upper eccentric clutch shaft is arranged in parallel with the eccentric main shaft, two ends of the upper eccentric clutch shaft are hinged with the head ends of the two upper supporting connecting rods, the tail ends of the two upper supporting connecting rods are hinged with the middle parts of the two upper driving connecting rods, the tail ends or the positions close to the tail ends of the two upper driving connecting rods are hinged with the eccentric main shaft, the head ends of the two upper driving connecting rods are provided with the massage ball head, the upper eccentric clutch shaft is provided with a movable clutch gear and an upper air bag seat for fixing a driving air bag, the upper air bag seat is driven by the driving the upper air bag seat to drive the upper eccentric clutch shaft to displace, the movable clutch gear on the upper eccentric clutch shaft is meshed with the fixed clutch gear set, and the meshed upper eccentric clutch shaft rotates synchronously with the eccentric main shaft; The connecting rod driving mechanism at the lower end of the massage shell shares an eccentric main shaft with the connecting rod driving mechanism at the upper end of the massage shell, the connecting rod driving mechanism at the lower end of the massage shell consists of a lower air bag seat, two lower supporting connecting rods, two lower driving connecting rods and the eccentric main shaft, the two ends of the lower air bag seat are hinged with the head ends of the two lower supporting connecting rods, the tail ends of the two lower supporting connecting rods are hinged with the middle lower ends of the two lower driving connecting rods, the tail ends of the two lower driving connecting rods are hinged with the tail ends of the two upper driving connecting rods, the head ends of the two lower driving connecting rods are provided with massage balls, and the driving air bag is arrange