WO2020199632A1 - 一种按摩机芯和按摩机 - Google Patents

一种按摩机芯和按摩机 Download PDF

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Publication number
WO2020199632A1
WO2020199632A1 PCT/CN2019/122662 CN2019122662W WO2020199632A1 WO 2020199632 A1 WO2020199632 A1 WO 2020199632A1 CN 2019122662 W CN2019122662 W CN 2019122662W WO 2020199632 A1 WO2020199632 A1 WO 2020199632A1
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Prior art keywords
worm
massage
pressure sensor
massaging
mechanism according
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PCT/CN2019/122662
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English (en)
French (fr)
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袁挺
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袁挺
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Publication of WO2020199632A1 publication Critical patent/WO2020199632A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for

Definitions

  • the present invention relates to massager technology, in particular, to a massage core and a massage machine.
  • Patent application CN101683302A discloses a common massage movement.
  • This type of massage movement includes a rubbing drive mechanism, a percussion drive mechanism and an intensity adjustment mechanism.
  • the intensity adjustment mechanism of this type of massage mechanism is used to control the treatment mechanism to swing back and forth around a rotation axis to adjust the massage strength.
  • the intensity adjustment mechanism of this type of massage movement consists of two toothed discs arranged on the left and right, and the way to control the massage intensity is to control the rotation of the toothed disc to the corresponding arc to divide the massage intensity into different gears.
  • the massage force level of this type of massage mechanism is set at the beginning, and the user's corresponding body pressure cannot be detected, which leads to a failure to take into account the massage experience of users of different body types. In view of this, this application is hereby submitted.
  • the technical problem to be solved by the present invention is to provide a massage movement to solve the problem that the existing massage movement cannot detect the body pressure applied by the user.
  • the present invention provides a massage mechanism including: a massage driving device with a massage arm, a massage driving device that drives the massage arm to perform a massage action, and a control mechanism;
  • the massage driving device includes a worm, a worm wheel, and a strong and weak drive motor , The worm and the worm gear are meshed with each other; the worm is set to be movable along its axis, the body pressure acting on the massage arm is applied to the worm by the worm gear to cause axial displacement, and a borrow
  • a body pressure detection device that detects body pressure by detecting the axial displacement;
  • the body pressure detection device includes a pressure sensor and a touch element that touches the pressure sensor, and the touch element is installed non-rotatably and parallel to the central axis of the worm
  • the worm is connected to the touch element through a thrust bearing to transmit the axial displacement of the worm to the non-rotatable touch element while the worm rotates.
  • the pressure sensor is a strain gauge, and the actuator and the suspension end of the strain gauge are movably connected by a pin structure.
  • the inner ring of the thrust bearing is fixedly connected to the worm, and the outer ring is fixedly connected to the actuator.
  • a support bearing is installed on the shaft end of the worm far away from the motor side, and the support bearing can follow the worm to move in the axial direction.
  • the support bearing is a deep groove ball bearing
  • the inner ring is fixedly mounted on the worm
  • the outer ring is embedded in the rubber bearing seat.
  • the pressure sensor is a capacitive sensor, an inductive sensor or a resistance sensor.
  • an elastic body is provided between the worm and the motor shaft of the motor to apply an elastic force in the axial direction to the worm.
  • the worm has a mounting hole extending along its axis, and the motor shaft extends into the mounting hole to transmit power to the worm.
  • the elastic body is a coil spring, which is arranged in the mounting hole, and its two ends respectively abut against the motor shaft and the worm of the strong and weak drive motors.
  • the present application also provides a massage machine having a rail frame and a massage core arranged on the rail frame, the massage core being the massage core according to any one of the preceding claims.
  • the present invention can achieve the following technical effects:
  • the massage mechanism of the present application supports the user, the user's body pressure is transmitted to the worm, so that the worm moves in the axial direction; when the worm moves in the axial direction, the pressure of the pressure sensor changes, and the massage mechanism controls
  • the mechanism can combine the pressure data of the pressure sensor to determine the user's body pressure in time, and correspondingly control the massage driving device to adjust the massage strength; the worm transmits the body pressure to the pressure sensor through the thrust bearing and the touch element, and the thrust bearing is A bearing that can better withstand the axial force.
  • this application adopts thrust bearings.
  • the overall structure of the massage movement is stable and can withstand greater body pressure; the actuator itself cannot rotate with the worm, that is, There will also be torsion generated on the pressure actuator due to rotation (torque will affect the detection accuracy of the pressure sensor), but there is only pressure along the axial direction, making the detection of the pressure sensor more accurate;
  • the pressure sensor adopts a strain gauge, it has the advantages of fast response speed, high accuracy, and good output signal continuity. At the same time, its corresponding pressure data has the advantages of convenient processing;
  • the bearing seat sleeved on the outer circumference of the support bearing is a rubber bearing seat
  • the rubber bearing seat can buffer the radial force of the worm to ensure that the worm can work more stably.
  • Fig. 1 shows a schematic diagram of a massage mechanism according to an embodiment of the present application from a perspective
  • Fig. 2 is a schematic diagram of a massage mechanism according to an embodiment of the present application from another perspective, and Fig. 2 omits the front cover and the back cover;
  • Figure 3 shows a schematic diagram of the massage driving device
  • Figure 4 illustrates a cross-sectional view of the box corresponding to Figure 3;
  • FIG. 5 shows an exploded view corresponding to FIG. 3
  • Figure 6 shows a schematic diagram of the disassembly of the trigger and the pressure sensor
  • Figure 7 shows a sectional view of the kneading driving device and the chainring part
  • Figure 8 illustrates a cross-sectional view of the kneading driving device and the massage device along the axis of the kneading driving shaft.
  • the massage mechanism of the present application includes: a frame with a first cantilever 1 and a second cantilever 2, a front cover 3 mounted on the front side of the frame, and a frame mounted on the frame The rear cover 4 on the rear side, a control mechanism (not shown) installed between the frame and the rear cover, a pair of left and right massage devices 5 opposed to each other, a kneading drive that drives a pair of massage devices 5 to perform a kneading massage action Device 6, a massage drive device 7 that drives a pair of massage devices 5 to move back and forth, a percussion drive device 8 that drives a pair of massage devices 5 to perform a percussion massage action, and drive massage when the massage mechanism is set in the frame of the massage machine
  • the massage device 5 includes a massage arm 5A, a first massage head 5B located at the upper end of the massage arm 5A, and a second massage head 5C located at the lower end of the massage arm 5A. In another embodiment, only the first massage head 5B may be provided.
  • the kneading drive device 6 includes a kneading drive shaft 6A and a kneading drive motor 6B, both of which are arranged on a chainring 7C on one side.
  • the kneading drive motor 6B drives the kneading drive shaft 6A to rotate through the kneading worm 6C and the kneading worm wheel.
  • the massage arm 5A is supported on the kneading drive shaft 6A to swing back and forth through an eccentric bearing mechanism. When the kneading drive shaft 6A rotates, the massage device 5 swings back and forth.
  • the specific principle of the kneading drive shaft 6A driving the massage device to perform reciprocating deflection is a conventional technique, so it will not be repeated.
  • the massage driving device 7 includes: a strong and weak drive shaft 7A, gear pieces 7B located on both sides of the strong and weak drive shaft 7A, two swaying back and forth supported on the first walking shaft 9A and and two gear pieces 7B respectively meshing gear wheel 7C, strong and weak drive motor 7D, box body, telescopic worm gear 7F located in the box and sleeved on the strong and weak drive shaft 7A, composite sleeve 7G, worm 7H, support bearing 7I, thrust Bearing 7J, actuator 7K, spline sleeve 7L, bearing seat 7M, fastening screw 7O.
  • the elastic member 10 is elastically deformed by the worm 7H moving in the axial direction, and the pressure sensor 11 is subjected to the worm 7H moving in the axial direction to generate a data change corresponding to the body pressure.
  • the inner ring of the thrust bearing 7J is fixedly installed at the end of the worm 7H, and the outer ring is fixedly installed in the actuator 7K.
  • the worm 7H has a first end connected to the strong and weak drive motor 7D and a second end opposite to the first end. The second end is arranged on the thrust bearing 7J, and the thrust bearing 7J is arranged on the actuator.
  • the actuator 7K On the part 7K, the actuator 7K is fixed on the pressure sensor 11, the thrust bearing 7J is pushed by the second end of the worm 7H, the actuator 7K is pushed by the thrust bearing 7J, the pressure sensor 11 is pushed by the actuator 7K, and the thrust bearing 7J ,
  • the touch element 7K and the pressure sensor 11 cooperate to form a body pressure detection device, which detects the displacement of the worm 7H when the worm wheel 7F rotates, so as to determine the body pressure received by the massage arm 5A.
  • the pressure sensor 11 in this embodiment is a strain gauge, but it can also be a capacitance sensor, an inductance sensor or a resistance sensor. With reference to Fig.
  • the actuator 7K includes: a concave supporting portion 7K1 supporting the thrust bearing 7J, two ear portions 7K2 disposed opposite to the supporting portion 7K1, and a pressing convex portion located on the supporting portion 7K1 7K3.
  • the pressure sensor 11 has a channel 11A used with the positioning member 7N, a channel 11B used with a screw, and an accommodating groove 11C for accommodating the pressing protrusion 7K3.
  • the two ears 7K2 clamp the pressure sensor 11, and a pair of screws pass along both sides and are arranged in the channel 11B. Through this matching method, the suspension end of the pressure sensor 11 and the actuator 7K are connected by a pivot pin structure.
  • the motor shaft of the strong and weak drive motor 7D includes a first motor shaft section L1 and a second motor shaft section L2 that are adjacently arranged along the axial direction.
  • the first motor shaft section L1 is located at the drive end of the strong and weak drive motor 7D and the second motor shaft. Between segment L2.
  • the worm 7H is sleeved on the outer circumference of the first motor shaft section L1 through a spline sleeve 7L, and is sleeved on the outer circumference of the second motor shaft section L2 through a composite sleeve 7G.
  • the worm 7H has a mounting hole extending along its axial direction, and the mounting hole includes an escape space between the second motor shaft section L2 and the worm 7H, and the elastic member 10 is disposed in the escape space and abuts against the second motor Between the shaft section L2 and the worm 7H.
  • the elastic member 10 in this embodiment is a coil spring, which applies an elastic force in the axial direction to the worm 7H.
  • the elastic member 10 In the initial state, the elastic member 10 is in a compressed state to eliminate the play between the components.
  • the worm 7H has a first worm section meshed with the worm wheel 7F, and a second worm section sleeved in the support bearing 7I.
  • the support bearing 7I of this embodiment is a deep groove ball bearing, and its inner ring is fixedly mounted on the worm 7H, and its outer ring is embedded in the bearing seat 7M.
  • the support bearing 7I moves in the axial direction with the worm 7H.
  • the bearing seat 7M of this embodiment is a rubber bearing seat.
  • the box body is used for accommodating components such as the worm 7H, the worm wheel 7F, the elastic member, and the pressure sensor 11, and includes a first box body portion and a second box body portion 7E that are spliced together.
  • the first box body has a positioning member 7N for positioning the installation position of the pressure sensor 11, and the positioning member 7N has a screw fitting hole.
  • a fastening screw 70 used to fasten the first box body portion and the second box body portion 7E passes through the second box body portion 7E and is disposed in the screw fitting hole.
  • the positioning member 7N is a rod-shaped structure, the channel 11A of the pressure sensor 11 is adapted to the size of the rod-shaped structure, and the rod-shaped structure passes through the channel 11A.
  • the positioning member 7N has the functions of positioning the installation position of the pressure sensor 11 and cooperating with the fastening screws to fasten the first box body and the second box body. While facilitating the installation of the pressure sensor, the configuration of the components in the box is compact.
  • the body pressure is transmitted to the worm gear 7F through the massage head and massage arm of the massage device 5, the gear plate 7C, the gear member 7B, and the strength drive shaft 7A.
  • the worm gear 7F rotates and drives the worm 7H to generate
  • the change in the axial displacement changes the degree of deformation of the elastic member 10, and the pressure sensor 11 is pushed by the thrust bearing 7J and the touch member 7K to output pressure data.
  • the elastic member 10 is reset to reset the worm 7H.
  • the motor shaft of the strong and weak driving motor 7D can normally drive the worm 7H to rotate, on the other hand, the worm 7H can independently move relative to the motor shaft. If you adjust the matching method of the motor shaft and the worm, and choose the strong and weak drive motor 7D whose motor shaft can move with the worm 7H, this type of strong and weak drive motor 7D requires that the motor shaft can move in the axial direction, and the motor shaft can be Stable rotation has high performance requirements, and the common motor shaft cannot move along the axial direction. Therefore, the design method of this embodiment is beneficial to reduce the performance requirements for the strong and weak drive motors 7D.
  • the percussion driving device 8 includes a percussion drive shaft 8A supported between two chainrings 7C and a percussion connector 8B that connects the percussion drive shaft 8A and the massage arm 5A.
  • the arm 5A is matched with the ball socket structure through a universal ball head.
  • the percussion drive shaft support 8A is an eccentric shaft support.
  • the specific principle of the percussion drive shaft 8A driving the massage arm 5A to reciprocate relative to the kneading drive shaft through the percussion connection 8B is a conventional technology, and will not be repeated.
  • the walking driving device 9 includes a first walking shaft 9A and a second walking shaft 9B supported between the first cantilever 1 and the second cantilever 2, and a walking driving motor 9C.
  • the traveling drive motor 9C drives the first traveling shaft 9A to rotate through the cooperation of the traveling drive worm and the traveling drive worm gear.
  • Rolling parts matched with the guide rail frame of the massage machine are arranged on both sides of the two walking shafts.
  • the massage movement is also provided with a walking detection device that detects the number of turns of the first walking shaft 9A, a kneading position detection device that detects the left and right movement positions of the massage arm 5A, and a telescopic position detection device that detects the front and back swing position of the massage arm 5A.
  • a walking detection device that detects the number of turns of the first walking shaft 9A
  • a kneading position detection device that detects the left and right movement positions of the massage arm 5A
  • a telescopic position detection device that detects the front and back swing position of the massage arm 5A.
  • the chainring may not swing back and forth with the first walking shaft 9A as the center, but may be adjusted to swing with the kneading drive shaft as the center, even if the kneading drive shaft is supported between two cantilevers.
  • the present application also provides a massage machine, which has a rail frame and a massage core arranged on the rail frame; the massage core is the aforementioned massage core.
  • the massage machine is, for example, a massage chair.
  • the strain gauge (semiconductor string gauge) used for detecting displacement in this embodiment is an element for measuring strain composed of a sensitive grid or the like.
  • the working principle of the resistance strain gauge is made based on the strain effect, that is, when the conductor or semiconductor material is mechanically deformed under the action of external force, its resistance value changes accordingly. This phenomenon is called the "strain effect".
  • the strain gauge is to stick the strain gauge on the elastic sensitive element to indirectly feel the measured external force.
  • Using elastic sensitive elements with different configurations can measure the displacement, stress, strain, pressure, torque, acceleration and other mechanical quantities of various objects.
  • other types of displacement sensors such as capacitive sensors, inductance sensors, and resistance sensors, can also be used.

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Abstract

一种按摩机芯，包含：具有按摩臂（5A）、驱动按摩臂（5A）实施按摩动作的按摩驱动装置（7）、以及控制机构；按摩驱动装置（7）包含蜗杆（7H）、蜗轮（7F）和强弱驱动电机（7D），蜗杆（7H）和蜗轮（7F）相互啮合；蜗杆（7H）被设置为沿其轴线方向上可移动，作用在按摩臂（5A）上的体压力通过蜗轮（7F）施加于蜗杆（7H）上使其产生轴向位移，且设置有借由检测该轴向位移而对体压力进行检测的体压力检测装置；体压力检测装置包括压力传感器（11）和触动压力传感器（11）的触动件（7K），触动件（7K）安装成不可旋转地且平行于蜗杆（7H）的中心轴线，蜗杆（7H）通过推力轴承（7J）连接到触动件（7K）以在蜗杆（7H）旋转的同时将蜗杆（7H）的轴向位移传递给不可旋转的触动件（7K）。该按摩机芯具有整体结构稳定的优点。另提供一种按摩机。

Description

一种按摩机芯和按摩机 技术领域
本发明涉及按摩器技术，具体地，涉及一种按摩机芯和按摩机。
背景技术
专利申请CN101683302A公开了一种常见的按摩机芯，该类按摩机芯包含有揉搓驱动机构、敲击驱动机构和强度调整机构。该类型的按摩机芯的强度调整机构用以控制施疗机构绕一旋转轴前后摆动，以调整按摩力度。该类型的按摩机芯的强度调整机构包含有左右设置的两个齿盘，其控制按摩力度的方式是控制齿盘转动对应的弧度，以将按摩力度分成不同的档。该类型的按摩机芯的按摩力度的档位是一开始即设置好，不能检测用户相应地体压力，导致不能很好地兼顾不同身型的用户的按摩体验。有鉴于此，特提出本申请。
发明内容
本发明所要解决的技术问题是提供一种按摩机芯以解决现有的按摩机芯不能检测用户施加的体压力的问题。
为解决上述技术问题，本发明提供一种按摩机芯，包含：具有按摩臂、驱动按摩臂实施按摩动作的按摩驱动装置、以及控制机构；所述按摩驱动装置包含蜗杆、蜗轮和强弱驱动电机，所述蜗杆和所述蜗轮相互啮合；所述蜗杆被设置为沿其轴线方向上可移动，作用在按摩臂上的体压力通过蜗轮施加于蜗杆上使其产生轴向位移，且设置有借由检测该轴向位移而对体压力进行检测的体压力检测装置；所述体压力检测装置包括压力传感器和触动压力传感器的触动件，该触动件安装成不可旋转地且平行于蜗杆的中心轴线，所述蜗杆通过推力轴承连接到触动件以在蜗杆旋转的同时将蜗杆的轴向位移传递给不可旋转的触动件。
较佳地，所述压力传感器为应变计，所述触动件和应变计的悬置端通过转销结构活动连接。
较佳地，所述推力轴承的内圈与蜗杆固连，其外圈与触动件固连。
较佳地，所述蜗杆远离于电机侧的轴端上安装有支撑轴承，该支撑轴承可跟随蜗 杆在轴向上移动。
较佳地，所述支撑轴承为深沟球轴承，其内圈固定安装在蜗杆上，其外圈嵌入在橡胶轴承座内。
较佳地，所述压力传感器为电容传感器、电感传感器或电阻传感器。
较佳地，所述蜗杆和电机的电机轴之间设有对蜗杆施加以轴线方向的弹性作用力的弹性体。
较佳地，所述蜗杆上具有一沿其轴线方向延伸的安装孔，所述电机轴伸入安装孔内并为蜗杆传递动力。
较佳地，所述弹性体为螺旋弹簧，其设置在安装孔内，且其两端分别抵触在强弱驱动电机的电机轴和蜗杆上。
本申请另提供一种按摩机，具有导轨架和设置于导轨架上的按摩机芯，所述按摩机芯为权利要求前述任一项所述的按摩机芯。
通过采用上述技术方案，本发明可以取得以下技术效果：
1、本申请的按摩机芯在承托用户时，用户的体压力传递至蜗杆，使得蜗杆沿轴向活动；蜗杆沿轴向活动时对压力传感器的施压力度产生变化，按摩机芯的控制机构可结合该压力传感器所压力数据及时判断用户的体压力情况，并对应控制按摩驱动装置，以调整按摩力度；蜗杆是通过推力轴承和触动件来将体压力传递至压力传感器的，推力轴承是一种能够较好地承受轴向力的轴承，相较于普通轴承，本申请采用推力轴承，按摩机芯整体结构稳定而能承受较大的体压力作用；触动件本身不可随蜗杆旋转，即其并会存在因旋转而对压力传动器产生的扭力(扭力会影响压力传感器的检测准确性)，而仅存在沿轴向的施压力，使得压力传感器的检测较为准确；
2、在压力传感器采用应变计的情况下，其具有响应速度快、精度高、输出信号连续性度好的优点，同时其对应的压力数据具有方便处理的优点；
3、在套接于支撑轴承的外周的轴承座为橡胶轴承座的情况下，橡胶轴承座可缓冲蜗杆沿径向的受力，确保蜗杆能够较为稳定地进行工作。
附图说明
图1绘示了一视角下本申请一实施例的按摩机芯的示意图；
图2分别另一视角下本申请一实施例的按摩机芯的示意图，图2省略前盖和后盖；
图3绘示了按摩驱动装置部分的示意图；
图4绘示了对应于图3的箱体的剖视图；
图5绘示了对应于图3的分解图；
图6绘示了触动件和压力传感器的拆卸示意图；
图7绘示了揉捏驱动装置与齿盘部分的剖视图；
图8绘示了揉捏驱动装置和按摩装置部分沿揉捏驱动轴的轴线的剖视图。
具体实施方式
为使本发明实施方式的目的、技术方案和优点更加清楚，下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述，显然，所描述的实施方式是本发明一部分实施方式，而不是全部的实施方式。基于本发明中的实施方式，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施方式，都属于本发明保护的范围。因此，以下对在附图中提供的本发明的实施方式的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施方式。
结合图1至图4，在一实施例中，本申请的按摩机芯包含：具有第一悬臂1和第二悬臂2的机架、安装于机架前侧的前盖3、安装于机架后侧的后盖4、安装于机架和后盖之间的控制机构(图未示)、左右一对相对设置的按摩装置5、驱动一对按摩装置5进行揉捏按摩动作的揉捏驱动装置6、驱动一对按摩装置5前后活动的按摩驱动装置7、驱动一对按摩装置5进行敲击按摩动作的敲击驱动装置8、以及在按摩机芯设置在按摩机的机架时驱动按摩机芯沿机架活动的行走驱动装置9、弹性体10、压力传感器11。
按摩装置5包含有按摩臂5A、位于按摩臂5A的上端的第一按摩头5B和位于按摩臂5A下端的第二按摩头5C。在另一实施例中，可仅设置第一按摩头5B。
结合图1、图2、图7和图8，揉捏驱动装置6包含：揉捏驱动轴6A、揉捏驱动电机6B，两者配置于一侧的齿盘7C上。揉捏驱动电机6B通过揉捏蜗杆6C和揉捏蜗轮驱动揉捏驱动轴6A转动。按摩臂5A通过偏心承载机构可前后摆动地支撑于揉捏驱动轴6A上，揉捏驱动轴6A转动时按摩装置5进行往复偏摆。揉捏驱动轴6A驱动按摩装置进行往复偏摆的具体原理系常规之技艺，故不再赘述。
结合图2至图6，按摩驱动装置7包含：强弱驱动轴7A、位于强弱驱动轴7A两侧的齿轮件7B、两可前后摆动地支撑于第一行走轴9A上且与两齿轮件7B分别啮合的齿盘7C、强弱驱动电机7D、箱体、位于箱体内且套接于强弱驱动轴7A上的伸缩用的蜗轮7F、复合轴套7G、蜗杆7H、支撑轴承7I、推力轴承7J、触动件7K、花键套7L、轴承座7M、紧固螺丝7O。弹性件10受蜗杆7H沿轴向活动作用而弹性变形，压力传感器11受蜗杆7H沿轴向活动作用而产生对应于体压力的数据变化。推力轴承7J的内 圈固定安装在蜗杆7H端部，其外圈固定安装在触动件7K内。具体而言，蜗杆7H具有与强弱驱动电机7D相连接的第一端部和与第一端部相对的第二端部，第二端部配置于推力轴承7J上，推力轴承7J配置于触动件7K上，触动件7K固定于压力传感器11上，推力轴承7J受蜗杆7H第二端部推动作用，触动件7K受推力轴承7J推动作用，压力传感器11受触动件7K推动作用，推力轴承7J、触动件7K和压力传感器11相配合组成体压力检测装置，该体压力检测装置检测蜗杆7H在蜗轮7F转动时所产生的位移大小，以用于判断按摩臂5A所受的体压力大小。本实施例的压力传感器11为应变计，但其亦可为电容传感器、电感传感器或电阻传感器。结合图6，触动件7K包含：一承托推力轴承7J的凹状的承托部7K1、两相对设置于承托部7K1上的耳部7K2、以及一位于承托部7K1上的施压凸部7K3。压力传感器11具有配合定位件7N使用的通道11A、配合螺丝使用的通道11B和容置施压凸部7K3的容置槽部11C。两耳部7K2夹持压力传感器11，一对螺丝沿两侧穿过并配置在通道11B内，通过该种配合方式，压力传感器11的悬置端和触动件7K通过转销结构相连接。通过施压凸部7K3和容置槽部11C相配合，使蜗杆7H沿轴向活动产生的施压力可以集中在容置槽部11C内，使压力传感器11所检测的压力数据可较为准确。强弱驱动电机7D的电机轴包含沿轴向相邻设置的第一电机轴段L1和第二电机轴段L2，第一电机轴段L1位于强弱驱动电机7D的驱动端和第二电机轴段L2之间。蜗杆7H通过花键套7L套接于第一电机轴段L1的外周，且通过复合轴套7G套接于第二电机轴段L2的外周。蜗杆7H上具有一沿其轴线方向延伸的安装孔，且该安装孔包含位于第二电机轴段L2和蜗杆7H之间的一段避让空间，弹性件10配置于避让空间且抵接于第二电机轴段L2和蜗杆7H之间。本实施例弹性件10为螺旋弹簧，其对蜗杆7H施加以轴线方向的弹性作用力。在初始状态，弹性件10处于压缩状态，以消除各部件之间的游隙。蜗杆7H具有与蜗轮7F啮合的第一蜗杆段、以及套接于支撑轴承7I内的第二蜗杆段。本实施例的支撑轴承7I为深沟球轴承，其内圈固定安装在蜗杆7H上，其外圈嵌入在轴承座7M内，支撑轴承7I随蜗杆7H在轴线方向上移动。本实施例的轴承座7M为橡胶轴承座。箱体用以容置蜗杆7H、蜗轮7F、弹性件和压力传感器11等部件，其包含相拼接的第一箱体部和第二箱体部7E。第一箱体部具有定位压力传感器11安装位置的定位件7N，且定位件7N具有螺丝配合孔。用以紧固所述第一箱体部和第二箱体部7E的紧固螺丝7O穿过第二箱体部7E，且配置于螺丝配合孔内。定位件7N为杆状结构，压力传感器11的通道11A与该杆状结构尺寸相适配，杆状结构穿过通道11A。定位件7N兼具定位压力传感器11安装位置和配合紧固螺 丝紧固第一箱体部和第二箱体部的作用，在方便压力传感器安装的同时，使得箱体内的部件配置较为紧凑。在用户倚靠于按摩装置5上时，体压力通过按摩装置5的按摩头和按摩臂、齿盘7C、齿轮件7B、强弱驱动轴7A传递至蜗轮7F，蜗轮7F转动并带动蜗杆7H产生沿轴向的位移变化，使得弹性件10的形变程度发生变化，同时压力传感器11受到推力轴承7J、触动件7K的推动作用而输出压力数据。当用户离开按摩装置5时，弹性件10复位，使蜗杆7H复位。由于花键套7L的配合作用，一方面强弱驱动电机7D的电机轴可正常驱动蜗杆7H转动，另一方面，蜗杆7H又可独立相对电机轴活动。如果调整电机轴和蜗杆的配合方式，而选用电机轴可随蜗杆7H活动的强弱驱动电机7D，该类型的强弱驱动电机7D一方面要求电机轴可沿轴向活动，又要求电机轴可稳定转动，其性能要求较高，而常见的电机轴并不能沿轴向活动，因而本实施例的设计方式有利于降低对强弱驱动电机7D的性能要求。
如图2，敲击驱动装置8包含有支撑于两齿盘7C之间的敲击驱动轴8A和连接敲击驱动轴8A和按摩臂5A的敲击连接件8B，敲击连接件8B与按摩臂5A通过万向球头和球臼结构相配合。敲击驱动轴支8A为偏心轴支。敲击驱动轴8A通过敲击连接件8B带动按摩臂5A相对揉捏驱动轴往复摆动的具体原理系常规之技术，不再赘述。
如图2，行走驱动装置9包含有支撑于第一悬臂1和第二悬臂2之间的第一行走轴9A和第二行走轴9B、以及行走驱动电机9C。行走驱动电机9C通过行走驱动蜗杆和行走驱动蜗轮相配合带动第一行走轴9A转动。两行走轴两侧分设有与按摩机的导轨架配合的的滚动件。
按摩机芯还设置有检测第一行走轴9A转动圈数的行走检测装置、检测按摩臂5A左右活动位置的揉捏位置检测装置、检测按摩臂5A前后摆动位置的伸缩位置检测装置，该些检测装置通常为光电编码器，其系常规之技术，故不再赘述。
以上即为本申请的第一实施例，但容易理解，本申请的技术构思并不限于上述实施例。在另一实施例中，齿盘可不以第一行走轴9A为中心前后摆动，可调整为以揉捏驱动轴为中心进行摆动，即使揉捏驱动轴支撑于两悬臂之间。
本申请另提供一种按摩机，具有导轨架和配置于导轨架上的按摩机芯；所述按摩机芯为前述的按摩机芯。按摩机例如为按摩椅。
本实施例中用于检测位移的应变片(semiconductor straingauge)，是由敏感栅等构成用于测量应变的元件。电阻应变片的工作原理是基于应变效应制作的，即导体或半导体材料在外界力的作用下产生机械变形时，其电阻值相应的发生变化，这种现象称为 “应变效应”。应变计是将应变片粘贴在弹性敏感元件上间接地感受被测外力。利用不同构形的弹性敏感元件可测量各种物体的位移、应力、应变、压力、扭矩、加速度等机械量。而在其它实施方式中，还可以采用其它类型的位移传感器，例如电容传感器、电感传感器、电阻传感器等。
以上所述仅为本发明的优选实施方式而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种按摩机芯，包含：具有按摩臂(5A)、驱动按摩臂实施按摩动作的按摩驱动装置(7)、以及控制机构；所述按摩驱动装置(7)包含蜗杆(7H)、蜗轮(7F)和强弱驱动电机(7D)，所述蜗杆(7H)和所述蜗轮(7F)相互啮合；其特征在于，
    所述蜗杆(7H)被设置为沿其轴线方向上可移动，作用在按摩臂(5A)上的体压力通过蜗轮(7F)施加于蜗杆(7H)上使其产生轴向位移，且设置有借由检测该轴向位移而对体压力进行检测的体压力检测装置；
    所述体压力检测装置包括压力传感器(11)和触动压力传感器的触动件(7K)，该触动件(7K)安装成不可旋转地且平行于蜗杆(7H)的中心轴线，所述蜗杆(7H)通过推力轴承(7J)连接到触动件(7K)以在蜗杆(7H)旋转的同时将蜗杆(7H)的轴向位移传递给不可旋转的触动件(7K)。
  2. 根据权利要求1所述的按摩机芯，其特征在于，所述压力传感器为应变计，所述触动件和应变计的悬置端通过转销结构活动连接。
  3. 根据权利要求1或2任一项所述的按摩机芯，其特征在于，所述推力轴承(7J)的内圈与蜗杆(7H)固连，其外圈与触动件(7K)固连。
  4. 根据权利要求1所述的按摩机芯，其特征在于，所述蜗杆(7H)远离于电机侧的轴端上安装有支撑轴承(7I)，该支撑轴承(7I)可跟随蜗杆(7H)在轴向上移动。
  5. 根据权利要求4所述的按摩机芯，其特征在于，所述支撑轴承(7I)为深沟球轴承，其内圈固定安装在蜗杆(7H)上，其外圈嵌入在橡胶轴承座(7M)内。
  6. 根据权利要求1所述的按摩机芯，其特征在于，所述压力传感器(11)为电容传感器、电感传感器或电阻传感器。
  7. 根据权利要求1所述的按摩机芯，其特征在于，所述蜗杆(7H)和强弱驱动电机(7D)的电机轴之间设有对蜗杆(7H)施加以轴线方向的弹性作用力的弹性体(10)。
  8. 根据权利要求7所述的按摩机芯，其特征在于，所述蜗杆(7H)上具有一沿其轴线方向延伸的安装孔，所述电机轴伸入安装孔内并为蜗杆传递动力。
  9. 根据权利要求8所述的按摩机芯，其特征在于，所述弹性体(10)为螺旋弹簧，其设置在安装孔内，且其两端分别抵触在电机轴和蜗杆(7H)上。
  10. 一种按摩机，具有导轨架和设置于导轨架上的按摩机芯，其特征在于，所述按摩机芯为权利要求1至9任一项所述的按摩机芯。
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