CN108056901A - A kind of Multifunctional massager of single motor - Google Patents

Abstract

The invention discloses a multifunctional massage device with a single motor, which includes a core base, a base plate, a massage mechanism, a drive mechanism and a moving reversing mechanism. The massage mechanism includes a kneading shaft and two massage components. The massage component includes a crank arm, Massage wheel, extension spring, kneading plate and kneading shaft with two-way eccentricity, the two ends of the kneading shaft are erected on the base plate through the second bearing and the one-way bearing respectively; The two-way screw and the guide block, the kneading bevel gear is fixed to the outer ring of the one-way bearing, the moving bevel gear is connected with the two-way screw transmission through the guide block, and the kneading bevel gear is connected with the moving bevel gear meshing transmission. The present invention realizes self-adaptive all-round massage from the head to the tail vertebrae by only using one motor, and can drive the massage parts to reciprocate from wide to narrow and drive the moving parts to reciprocate up and down, and can realize fixed-point kneading and massage. Mobile kneading greatly reduces the cost.

Description

A multifunctional massage device with a single motor

technical field

The invention relates to the field of massagers, in particular to a massage device capable of massaging a user from the head to the buttocks, and in particular to a multifunctional massage device with a single motor.

Background technique

Existing small-sized massage chairs and massage cushions mostly adopt 2 movement to realize the massage to human neck and back. The neck movement is only used to massage the neck, and the back movement is only used to massage the back. Owing to needing to use 2 movement, so just cause structure and electrical control complexity, cost increases. Most of the movements used in existing large massage chairs have complex mechanisms and high cost, and are not suitable for massage cushions and small massage chairs.

Contents of the invention

The object of the present invention is to provide a multifunctional massage device with a single motor to solve the above-mentioned problems.

The technical problem solved by the present invention can adopt following technical scheme to realize:

A multifunctional massage device with a single motor, including a movement base, a base plate, a massage mechanism, a driving mechanism and a moving reversing mechanism,

The massage mechanism includes a kneading shaft and a massage assembly. There are two massage assemblies arranged symmetrically along the length direction of the kneading shaft. A first bearing seat and a second bearing seat are installed on the base plate. One end of the kneading shaft passes through the first The bearing is rotatably arranged on the first bearing seat, and the second bearing seat is provided with a one-way bearing, and the other end of the kneading shaft is fixed with the inner ring of the one-way bearing; the massage assembly includes a crank arm, a kneading plate and a two-way The eccentric kneading shaft has an eccentric shaft hole in the axial direction of the kneading shaft. The kneading shaft penetrates the eccentric shaft hole and is fixedly connected with the kneading shaft. There is a perforation on the kneading plate, and a second bearing is installed in the perforation. It is installed in the second bearing and is fixedly connected with the inner ring of the second bearing; the two ends of the curved arm are respectively rotatably connected with massage wheels, and the curved arm is connected with the side wall of the kneading plate through the inner lining, and one of the curved arms The curved arm is connected to the boss of the kneading plate through a tension spring;

The drive mechanism includes a motor for driving the kneading shaft to rotate;

The moving reversing mechanism includes a kneading bevel gear, a moving bevel gear, a screw gear seat, a two-way screw and a guide block matched with the two-way screw, the kneading bevel gear is fixed with the outer ring of the one-way bearing, and the two-way screw is fixed along the machine. The length direction of the core seat is set, and the two ends of the two-way screw are fixed on the core seat through the frame blocks respectively. The guide block is sleeved on the two-way screw and can reciprocate along the length direction of the two-way screw. The guide block is fixed with the mobile bevel gear. connected, the base plate is set on the movement base, the screw gear base is installed on the base plate, the moving bevel gear is rotatably set on the screw gear base, and the kneading bevel gear is connected with the moving bevel gear through meshing transmission.

Further, the drive mechanism also includes a gear box and a first-stage combination gear, a second-stage spur gear, and a gear shaft arranged in the gear box. The kneading shaft is installed in the gear box, and its two ends pass through the third bearing respectively. It is rotatably connected with the gear box; the kneading shaft is installed in the center of the secondary spur gear and is fixedly connected with the secondary spur gear; the gear shaft is set parallel to the kneading shaft and its two ends are erected on the gear box through the fourth bearing , the gear shaft passes through the center of the first-stage combined gear and is fixedly connected with the first-stage combined gear. The output end of the motor is connected with the first-stage combined gear and can drive the first-stage combined gear to rotate. Mesh transmission is connected.

Further, an insert shaft is connected to the kneading plate, and a chute is installed on the base plate at the bottom of the kneading plate, and the bottom of the insert shaft extends into the chute, and the two opposite surfaces of the chute are arc-shaped surfaces.

Further, a guide rail is detachably connected to the movement base, the guide rail is arranged parallel to the two-way screw, and the base plate is arranged on the guide rail and can slide along the extending direction of the guide rail.

Further, the one-way bearing is installed in the kneading bevel gear, and a compression spring and a one-way bearing cover are also connected to the one-way bearing.

Further, the angle between the axis of the kneading shaft and the axis of the kneading shaft is 6-12°, and the eccentricity between the kneading shaft and the center of the kneading shaft is 1-5 mm.

Further, a backrest is installed on the movement base, and a protruding hole is opened in the center of the backrest, and at least two massage wheels protrude from the protruding hole.

Compared with the prior art, the beneficial effects of the present invention are as follows:

The driving mechanism of the present invention drives the two-stage gear transmission installed on the gear box through the motor, and transmits the power to the kneading shaft. One end of the kneading shaft is installed on the inner ring of the one-way bearing, and the outer ring of the one-way bearing is installed on the kneading shaft. Pinch the inside of the bevel gear. When the motor reverses, the kneading shaft and the one-way bearing slide relative to each other, and only do kneading action; when the motor rotates forward, the kneading shaft drives the one-way bearing to rotate together and do kneading action. One end of the kneading shaft is installed on the inner ring of the one-way bearing, and the outer ring of the one-way bearing is installed in the kneading bevel gear. When the motor rotates forward, the kneading shaft drives the one-way bearing, and the kneading bevel gear rotates. The kneading bevel gear drives the moving bevel gear to rotate, and a guide block is installed in the moving bevel gear, and the guide block can rotate along the two-way screw rod. Since the two-way screw has the function of automatic reversing, the guide block will rotate from one end to the other along the two-way screw and automatically change the direction again and again, thus greatly reducing the control parts and control procedures.

The present invention is compact in structure, easy to use, only uses a motor to drive, just can realize self-adaptive all-round massage from the head to the tail vertebra. The motor drives the massage part to reciprocate from wide to narrow through forward and reverse rotation, and also drives the moving part to reciprocate up and down. Due to the function of the one-way bearing assembly, two functions of fixed-point kneading and moving kneading can be realized, thereby realizing two kinds of movements of one motor. The invention has simplified mechanism, fewer parts and simplified electrical control, so that the whole mechanism is reliable and the cost is greatly reduced.

Description of drawings

FIG. 1 is a schematic structural view of a multifunctional massage device with a single motor according to the present invention.

Fig. 2 is a schematic diagram of the internal structure of the single-motor multifunctional massage device of the present invention.

Fig. 3 is a schematic structural view of the movement base of the present invention.

Fig. 4 is a structural schematic diagram of the movement mechanism of the present invention.

Fig. 5 is a structural schematic diagram of the massage assembly of the present invention.

Fig. 6 is a structural schematic diagram of the driving mechanism of the present invention.

Fig. 7 is a partial structural schematic diagram of the mobile reversing mechanism of the present invention.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

Referring to FIGS. 1 to 7 , a multifunctional massage device with a single motor 41 according to the present invention includes a movement base 10 , a base plate 20 , a massage mechanism 30 , a driving mechanism 40 and a moving reversing mechanism 50 .

The massage mechanism 30 includes a kneading shaft 31 and massage assemblies, and there are two massage assemblies arranged symmetrically along the length direction of the kneading shaft 31 . The kneading shaft 31 drives two left and right symmetrical kneading shafts 32, and the kneading shafts 32 drive the kneading plate 33 to move toward each other left and right and simultaneously drive the kneading plate 33 to move up and down. The motor 41 of the first bearing seat 3 and the second bearing seat 342 are installed on the base plate 20 . One end of the kneading shaft 31 is rotatably arranged on the motor 41 of the first bearing seat 3 through the first bearing, the second bearing seat 342 is provided with a one-way bearing 35, and the other end of the kneading shaft 31 is connected to the one-way bearing 35. The inner ring is fixed. The massaging assembly includes a crank arm 36, a kneading board 33 and a bidirectional eccentric kneading shaft 32. The axial direction of the kneading shaft 32 is provided with an eccentric shaft hole, and the eccentric shaft hole is obliquely arranged with the axis line of the kneading shaft 32, and the kneading shaft 31 is penetrated in the eccentric shaft hole and is fixedly connected with the kneading shaft 32. The kneading plate 33 is provided with a perforation, and a second bearing is installed in the perforation, and the kneading shaft 32 is penetrated in the second bearing and is fixedly connected with the inner ring of the second bearing. A massage wheel 37 is rotatably connected to the upper and lower ends of the curved arm 36, respectively. The curved arm 36 links to each other with the side wall of kneading plate 33 by lining 361, and curved arm 36 is installed on the kneading plate 33, and rotates around lining 361 fixedly. One of the curved arms of the curved arm 36 is connected with the boss of the kneading plate 33 by an extension spring 362 . One end of extension spring 362 is fixed on the boss of kneading plate 33, and the other end is fixed on the post of curved arm 36. Owing to the effect bent arm 36 of extension spring 362 is fixed on the lower limit of kneading plate 33. When the human body was close to the curved arm 36, due to the effect of the extension spring 362, the curved arm 36 would make changes to adapt to the human body, but the changed position would not exceed the upper limit on the kneading 33. Above this assembly is installed on the kneading shaft 32 by the bearing in the kneading plate 33. The kneading shaft 32 has eccentricity in two directions. When the kneading shaft 32 rotates along its central axis, the curved arm 36 will make left and right wide and narrow movements, swing back and forth and up and down, thereby realizing a comprehensive massage on the human body. The extension spring 362 and the curved arm 36 installed on the kneading plate 33 can automatically adjust the height according to the curve of the back of the human body, so as to realize the all-round massage of the human body.

The driving mechanism 40 includes a motor 41 for driving the kneading shaft 31 to rotate.

The moving reversing mechanism 50 includes a kneading bevel gear 51, a moving bevel gear 52, a screw gear seat 53, a two-way screw 54 and a guide block matched with the two-way screw 54, and also includes a guide block clip spring and a guide block cover. The kneading bevel gear 51 is fixed to the outer ring of the one-way bearing 35, and the two-way screw rod 54 is arranged along the length direction of the movement base 10. The two ends of the two-way screw 54 are respectively mounted on the movement base 10 via a frame block 541 , and the frame block 541 includes a support frame base and a support frame cover. The guide block is sheathed on the two-way screw 54 and can reciprocate along the length direction of the two-way screw 54 , and the guide block is fixedly connected with the moving bevel gear 52 . The base plate 20 is disposed on the movement base 10 , the screw gear base 53 is mounted on the base plate 20 , and the moving bevel gear 52 is rotatably disposed on the screw gear base 53 . The screw gear seat 53 comprises a screw gear base and a screw gear cover on which the screw gear is located. The kneading bevel gear 51 rotates between the screw gear base and the screw gear cover, and the moving bevel gear 52 is also between the screw gear base and the screw gear cover. rotate between. Kneading bevel gear 51 is connected with moving bevel gear 52 meshing transmission.

The curved arm 36 and the kneading board 33 are equipped with detection sensors. When the curved arm 36 changes according to the curvature of the human body's shoulders, these position changes will convert the pressure spring contained in the one-way bearing 35 into a voltage change, thereby finding the position of the human shoulder. etc.; and do further massages according to these positions.

The two-way screw 54 is installed in the moving bevel gear 52 , one end of the guide block is installed in the moving bevel gear 52 , and the other end is stuck in the two-way screw 54 . The mobile bevel gear 52 can drive the guide block to reciprocate back and forth on the two-way screw rod 54 when rotating like this, and the mobile bevel gear 52 is driven by the kneading bevel gear 51. The moving bevel gear 52 drives the guide block to move on the two-way screw rod 54 . The two-way screw 54 has an automatic reversing function, and the mobile bevel gear 52 can reciprocate around the two-way screw 54 . The two-way screw 54 is a cross two-way screw 54, and the end sections on both sides of the forward slide rail groove and the reverse slide rail groove of the two-way screw 54 are arranged circularly and interlacedly, so each time the axial movement advances or retreats to the end of the stroke, The guide block will be guided into the other reverse groove.

The driving mechanism 40 also includes a gear box 42 , a shaft sleeve, and a first-stage combination gear 43 , a second-stage spur gear 44 and a gear shaft 45 arranged in the gear box 42 . The kneading shaft 31 passes through the gear box 42 and is rotatably connected to the gear box 42 through a third bearing, the third bearing being a 6001 bearing. The kneading shaft 31 passes through the center of the secondary spur gear 44 and is fixedly connected with the secondary spur gear 44 . The gear shaft 45 is arranged parallel to the kneading shaft 31 and its two ends are mounted on the gear box 42 through the fourth bearing respectively, and the fourth bearing is a 608 bearing. The gear shaft 45 passes through the center of the first-stage combined gear 43 and is fixedly connected with the first-stage combined gear 43 . Motor 41 is installed above gear box 42, and the output end of motor 41 links to each other with one-level combination gear 43 and can drive and one-level combination gear 43 rotates, and one-level combination gear 43 links to each other with secondary spur gear 44 meshing transmission. The two ends of the kneading shaft 31 in the gear box 42 are respectively fixed in the inner ring of the one-way bearing 35 and the inner ring of the 6900 bearing. The compression spring can be automatically centered, and the 6900 bearing is installed in the rubber ring, so that the kneading shaft 31 will not cause poor concentricity due to too many restraint points.

The kneading plate 33 is connected with an insert shaft 331 , and a chute 21 is installed on the base plate 20 at the bottom of the kneading plate 33 . The bottom of the insert shaft 331 protrudes into the sliding groove 21, and the two opposite surfaces of the sliding groove 21 are arc-shaped surfaces. The insert shaft 331 on the kneading plate 33 is fixed between 21 in the chute. Because the massage assembly moves in space, the armor shaft on the chute 21 and the kneading plate 33 is an arc fit, so as to ensure that the massage assembly will not be stuck, and because the chute 21 and the base plate 20 are separated, the Easy to adjust the gap. One end of the kneading plate 33 is fixed on the kneading shaft 31 , and the other end is limited to slide up and down in the chute 21 on the base plate 20 .

A guide rail 11 is detachably connected to the movement base 10 , and the guide rail 11 is arranged parallel to the two-way screw 54 . The base plate 20 is arranged on the guide rail 11 and can slide along the extending direction of the guide rail 11 . 2 guide rails 11 and 2 frame blocks 541 are installed on the movement base 10 . The position of the guide rail 11 on the movement base 10 is adjusted by adjusting the screw. The support frame cover is installed on the support frame seat, and the position of the support frame seat on the movement base 10 is adjusted by adjusting screws, so as to finally ensure the parallelism between the guide rail 11 and the two-way screw rod 54 .

One-way bearing 35 is installed in kneading bevel gear 51, and stage clip and one-way bearing cap are also connected on one-way bearing 35, and these parts form one-way bearing assembly. The one-way bearing 35 is a roller bearing. The compression spring and the one-way bearing are installed in the second bearing housing 342 . The kneading shaft 31 rotates in the one-way bearing assembly, slides in one direction, and drives the one-way bearing assembly to rotate in one direction. When the motor 41 rotates in the forward direction, the kneading shaft 32 on the kneading shaft 31 drives the massage assembly to perform massage from outside to inside. And the one-way bearing 35 drives the kneading bevel gear 51, and the kneading bevel gear 51 drives the moving bevel gear 52, so that the base plate 20 can move up and down and automatically change direction, so as to achieve the function of moving massage. When the motor 41 is running in the reverse direction, the kneading shaft 32 on the kneading shaft 31 drives the massage assembly to realize massage from the outside to the inside. At this time, due to the effect of the one-way bearing 35, the kneading shaft 31 is idling and cannot drive the kneading bevel gear 51. At this time, the function of fixed-point massage is realized.

The angle between the axis of the kneading shaft 32 and the axis of the kneading shaft 31 is 6-12°, and the eccentric distance between the kneading shaft 31 and the center of the kneading shaft 32 is 1-5 mm. When the kneading shaft 31 rotates, two symmetrical The kneading shaft 32 is doing up and down lifting motion while doing left and right relative kneading motion. Through such a kneading and lifting mechanism, two actions of kneading and 3D lifting can be realized by only one motor 41, which reduces the use of motors and program settings.

A backrest 60 is installed on the movement base 10, and the center of the backrest 60 is provided with a protruding hole, and at least two massage wheels 37 are protruded from the protruding hole. The drive mechanism 40, the partial movement reversing mechanism 50 and the massage mechanism 30 are fixed together by screws etc. to form a movement mechanism.

The present invention has a compact structure, the driving mechanism 40 drives the two-stage gear transmission installed on the gear box 42 through the motor 41, and transmits the power to the kneading shaft 31, and one end of the kneading shaft 31 is installed on the inner ring of the one-way bearing 35, The outer ring of the one-way bearing 35 is installed in the kneading bevel gear 51. When the motor 41 reverses, the kneading shaft 31 and the one-way bearing 35 slide relative to each other, and only do kneading action;

The gear box 42 adopts the form of one-piece die-casting and post-processing, which improves the assembly accuracy and reduces the number of parts. Two different movements of one motor 41 are realized. Compared with the traditional method, one motor 41 and corresponding accessories are saved, thereby reducing the cost and simplifying the mechanism.

The guide rail 11 is a guide rod structure, and the guide rods are two square tubes of 10*10. Compared with the usual massage cushion, the guide mechanism of this square tube has the advantage that the square tube has higher precision and can be adjusted at any time. Ordinary massage cushions are guided by the ribs on the plastic parts. Because the plastic parts are long and large, the accuracy is not high, and they cannot be adjusted. Once the injection molding is deformed, they can only be scrapped. The guide rod structure avoids these shortcomings. , saving costs and improving product accuracy.

One end of the kneading shaft 31 is installed on the inner ring of the one-way bearing 35, and the outer ring of the one-way bearing 35 is installed in the kneading bevel gear 51. When the motor 41 rotates forward, the kneading shaft 31 drives the one-way bearing 35, and the kneading bevel gear 51 rotates. The kneading bevel gear 51 drives the mobile bevel gear 52 to rotate, and a guide block is installed in the mobile bevel gear 52, and the guide block can rotate along the two-way screw rod 54. Because the two-way screw 54 has the function of automatic reversing, the guide block will rotate from one end to the other along the two-way screw 54 and automatically reversing and going round and round. Compared with the traditional structure, the traditional reversing mechanism requires the cooperation of the forward and reverse rotation of the motor 41 and the limit switch to realize the reversing function. And this mechanism only relies on the two-way screw rod 54 and does not need these parts, which simplifies the parts and the control program.

Knead the angle of rotation of upper and lower limit control crank arms 36 on the plate 33 . The curved arm 36 is fixed on the kneading plate 33 by bushing and screw, and the mounting point of the curved arm 36 is as close as possible to the kneading shaft 31 in the vertical direction, so as to reduce the height of the whole movement. In order to obtain a larger movable angle of the crank arm 36, the installation point of the crank arm 36 is as far away from the kneading axis 31 as possible in the horizontal direction.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A multifunctional massage device of a single motor, characterized in that: it comprises a movement base, a base plate, a massage mechanism, a driving mechanism and a moving reversing mechanism, The massage mechanism includes a kneading shaft and a massage assembly. There are two massage assemblies arranged symmetrically along the length direction of the kneading shaft. A first bearing seat and a second bearing seat are installed on the base plate. One end of the kneading shaft passes through the first The bearing is rotatably arranged on the first bearing seat, and the second bearing seat is provided with a one-way bearing, and the other end of the kneading shaft is fixed with the inner ring of the one-way bearing; the massage assembly includes a crank arm, a kneading plate and a two-way The eccentric kneading shaft has an eccentric shaft hole in the axial direction of the kneading shaft. The kneading shaft penetrates the eccentric shaft hole and is fixedly connected with the kneading shaft. There is a perforation on the kneading plate, and a second bearing is installed in the perforation. It is installed in the second bearing and is fixedly connected with the inner ring of the second bearing; the two ends of the curved arm are respectively rotatably connected with massage wheels, and the curved arm is connected with the side wall of the kneading plate through the inner lining, and one of the curved arms The curved arm is connected to the boss of the kneading plate through a tension spring; The drive mechanism includes a motor for driving the kneading shaft to rotate; The moving reversing mechanism includes a kneading bevel gear, a moving bevel gear, a screw gear seat, a two-way screw and a guide block matched with the two-way screw, the kneading bevel gear is fixed with the outer ring of the one-way bearing, and the two-way screw is fixed along the machine. The length direction of the core seat is set, and the two ends of the two-way screw are fixed on the core seat through the frame blocks respectively. The guide block is sleeved on the two-way screw and can reciprocate along the length direction of the two-way screw. The guide block is fixed with the mobile bevel gear. connected, the base plate is set on the movement base, the screw gear base is installed on the base plate, the moving bevel gear is rotatably set on the screw gear base, and the kneading bevel gear is connected with the moving bevel gear through meshing transmission. 2. According to the multifunctional massage device with a single motor according to claim 1, it is characterized in that: the drive mechanism also includes a gear box and a first-level combined gear, a second-level spur gear and a gear shaft arranged in the gear box. The kneading shaft is installed in the gear box, and its two ends are rotatably connected with the gear box through the third bearing; the kneading shaft is installed in the center of the secondary spur gear and is fixedly connected with the secondary spur gear; The kneading shaft is arranged in parallel and its two ends are erected on the gear box through the fourth bearing respectively. The gear shaft passes through the center of the first-stage combined gear and is fixedly connected with the first-stage combined gear. The output end of the motor is connected with the first-stage combined gear and It can drive the first-stage combined gear to rotate, and the first-stage combined gear is connected with the second-stage spur gear through meshing transmission. 3. The multifunctional massage device with a single motor according to claim 1, characterized in that: an insert shaft is connected to the kneading plate, a chute is installed on the base plate at the bottom of the kneading plate, and the bottom of the insert shaft extends into In the chute, the two opposite surfaces of the chute are arc-shaped surfaces. 4. The multifunctional massage device with a single motor according to claim 1, characterized in that: a guide rail is detachably connected to the movement base, the guide rail is arranged in parallel with the two-way screw, and the base plate is arranged on the guide rail and can be moved along the guide rail. Swipe in the direction of extension. 5. The single-motor multifunctional massage device according to claim 1, characterized in that: the one-way bearing is installed in the kneading bevel gear, and a compression spring and a one-way bearing cover are also connected to the one-way bearing. 6. The multifunctional massage device with single motor according to claim 1, characterized in that: the angle between the axis of the kneading shaft and the axis of the kneading shaft is 6-12°, and the center of the kneading shaft and the kneading shaft The eccentric distance is 1~5mm. 7. The multifunctional massage device with single motor according to claim 1, characterized in that: a backrest is installed on the base of the movement, and a protruding hole is opened in the center of the backrest, and at least two massage wheels protrude out hole.