A kind of back massager
Technical field
This utility model relates to masseur, particularly relates to a kind of back massager.
Background technology
When people's work fatigue, some position of massage device health often can be used to carry out fatigue alleviating.Current masseur is on the market of a great variety, has head massager, back massager, lumber region massor, leg massor, foot massage device etc., and back massager is as the term suggests be used to a kind of masseur of massaging back.As long as back is leaned against on back massager, start back massager, just can massage back, but because everyone height is different, for the people of different height, the position of back point is also not quite similar, and back massager can not play best massage effect to it.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of upper-lower position of scalable massage head to adapt to the people of different height, makes the back massager of its massage effect the best.
This utility model solves the problems of the technologies described above adopted technical scheme: a kind of back massager, comprise housing, pinion stand, two back massage bars and circuit control module, described pinion stand is arranged in described housing, the front of described pinion stand is fixedly installed drive motors, back drive mechanism is provided with between described drive motors and described back massage bar, described drive motors is electrically connected with described circuit control module, described back massage bar is fixedly installed multiple back massage head, upper-lower position governor motion is provided with between described housing and described pinion stand.
Described upper-lower position governor motion comprises screw rod and nut, described screw shaft is connected in described housing, described nut is fixedly installed on the back side of described pinion stand, described nut and described screw rod bolt, the upper end of described screw rod is fixedly installed knob, described housing is fixedly installed press strip, and described press strip gear is in the front of described pinion stand.
The back side of described pinion stand is fixedly installed track base, and described housing internal fixtion is provided with guide rail, and described track base slides up and down with described guide rail and coordinates.
Described back drive mechanism comprises back worm screw, back worm gear, first back travelling gear and the second back travelling gear, described back worm screw is coaxially fixedly connected with the output shaft of described drive motors, described back worm gear is coaxially fixedly connected with the first described back travelling gear and is coupling in the front of described pinion stand, described back worm gear is meshed with described back worm screw, the second described back travelling gear is coaxially fixedly installed back power transmission shaft, described back transmission shafts is connected on the front of described pinion stand, the second described back travelling gear is meshed with the first described back travelling gear, described back power transmission shaft is provided with eccentric block, described eccentric block is fixedly installed connecting axle, the upper end of described back massage bar is set on described connecting axle rotationally, the side of the back massage bar on described housing described in correspondence is connected with massaging strip bearing, described back massage bar passes described massaging strip bearing and slides up and down with described massaging strip bearing and coordinates.
The eccentric block being positioned at left side is fixedly connected with the back power transmission shaft corresponding to it, the eccentric block being positioned at right side is socketed in on the back power transmission shaft corresponding to it rotationally, the upper surface being positioned at the eccentric block on right side is provided with groove, described back power transmission shaft to penetrate in described groove and is positioned at the middle part of the cell wall of described groove, the upper end of described back power transmission shaft is fixedly installed the latch of level, and described latch is arranged in described groove and against the cell wall of described groove.
The front of described pinion stand is provided with two neck massage head, is provided with cervical region drive mechanism between described drive motors and described neck massage head.
Described cervical region drive mechanism comprises cervical region worm screw, cervical region worm gear, first cervical region travelling gear and the second cervical region travelling gear, described cervical region worm screw is coaxially fixedly connected with the output shaft of described drive motors, described cervical region worm gear is coaxially fixedly connected with the first described cervical region travelling gear and is coupling in the front of described pinion stand, described cervical region worm gear is meshed with described cervical region worm screw, the second described cervical region travelling gear is coaxially fixedly installed cervical region power transmission shaft, described cervical region transmission shafts is connected on the front of described pinion stand, the first described cervical region travelling gear is meshed with the second described cervical region travelling gear, described neck massage head is fixedly connected with described cervical region power transmission shaft.
Described drive motors is two output shaft electric machines, and described cervical region worm screw and described back worm screw are coaxially fixedly connected with the output shaft one_to_one corresponding at described two output shaft electric machine two ends respectively.
Described back massage bar and described neck massage head are fixedly installed heating lamp respectively, described heating lamp is electrically connected with described circuit control module, make back massager while providing massage to user, hot compress can also be carried out to back and cervical region, improve the massaging and physiotherapeutical effect to human body.
Described housing is fixedly installed fuse holder, and the electric fuse in described fuse holder is electrically connected with described circuit control module.
Compared with prior art, the utility model has the advantages that owing to being provided with upper-lower position governor motion between housing and pinion stand, move up and down by pinion stand the upper-lower position regulating back massage bar for the people of different height, make the back massage head on back massage bar can reach best to the massage effect of human body back; Eccentric block again owing to being positioned at right side is socketed in on the back power transmission shaft corresponding to it rotationally, make two back massage bars become asymmetric rotation along with the positive and negative of drive motors and reversion can be rotated from symmetry, user can select different massaging ways according to self-demand.
Accompanying drawing explanation
Using state schematic diagram when Fig. 1 is drive motors of the present utility model rotating forward;
Using state schematic diagram when Fig. 2 is drive motors of the present utility model reversion;
Fig. 3 is the structural representation after this utility model removes housing and back massage bar;
Fig. 4 is the structural representation of upper-lower position governor motion of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
As shown in the figure, a kind of back massager, comprise housing 1, pinion stand 2, two back massage bars 3, two neck massage head 4 and circuit control module (not shown), pinion stand 2 arranges within the case 1, the front of pinion stand 2 is fixedly installed two output shaft electric machine 5, two output shaft electric machine 5 is electrically connected with circuit control module (not shown), back drive mechanism is provided with between two output shaft electric machine 5 and back massage bar 3, back drive mechanism comprises back worm screw 6, back worm gear 7, first back travelling gear (not shown) and the second back travelling gear 8, back worm screw 6 is coaxially fixedly connected with one end output shaft of two output shaft electric machine 5, back worm gear 7 is coaxially fixedly connected with the first back travelling gear (not shown) and is coupling in the front of pinion stand 2, back worm gear 7 is meshed with back worm screw 6, second back travelling gear 8 is coaxially fixedly installed back power transmission shaft 9, back power transmission shaft 9 is coupling in the front of pinion stand 2, second back travelling gear 8 is meshed with the first back travelling gear (not shown), back power transmission shaft 9 is provided with eccentric block 10, the eccentric block 10 being wherein positioned at left side is fixedly connected with the back power transmission shaft 9 corresponding to it, the eccentric block 10 being positioned at right side is socketed in on the back power transmission shaft 9 corresponding to it rotationally, the upper surface being positioned at the eccentric block 10 on right side is provided with groove 101, back power transmission shaft 9 to penetrate in groove 101 and is positioned at the middle part of the cell wall of groove 101, the upper end of back power transmission shaft 9 is fixedly installed the latch 11 of level, latch 11 is arranged in groove 101 and against the cell wall of groove 101, eccentric block 10 is fixedly installed connecting axle 102, the upper end of back massage bar 3 is set on connecting axle 102 rotationally, on housing 1, the side of corresponding back massage bar 3 is connected with massaging strip bearing 12, back massage bar 3 passes massaging strip bearing 12 and slides up and down with massaging strip bearing 12 and coordinates, back massage bar 3 is fixedly installed multiple back massage head 31,
Cervical region drive mechanism is provided with between two output shaft electric machine 5 and neck massage head 4, cervical region drive mechanism comprises cervical region worm screw 13, cervical region worm gear 14, first cervical region travelling gear 15 and the second cervical region travelling gear 16, cervical region worm screw 13 is coaxially fixedly connected with the other end output shaft of two output shaft electric machine 5, cervical region worm gear 14 is coaxially fixedly connected with the first cervical region travelling gear 15 and is coupling in the front of pinion stand 2, cervical region worm gear 14 is meshed with cervical region worm screw 13, second cervical region travelling gear 16 is coaxially fixedly installed cervical region power transmission shaft (not shown), cervical region power transmission shaft (not shown) is coupling in the front of pinion stand 2, first cervical region travelling gear 15 is meshed with the second cervical region travelling gear 16, neck massage head 4 is fixedly connected with cervical region power transmission shaft (not shown), back massage bar 3 and neck massage head 4 are fixedly installed heating lamp (not shown) respectively, heating lamp (not shown) is electrically connected with circuit control module (not shown),
Upper-lower position governor motion is provided with between housing 1 and pinion stand 2, upper-lower position governor motion comprises screw rod 17 and nut 18, screw rod 17 is coupling within the case 1, nut 18 is fixedly installed on the back side of pinion stand 2, nut 18 and screw rod 17 bolt, the upper end of screw rod 17 is fixedly installed knob 19, housing 1 is fixedly installed press strip 20, press strip 20 keeps off the front at pinion stand 2, the back side of pinion stand 2 is fixedly installed track base 21, housing 1 internal fixtion is provided with guide rail 22, and track base 21 slides up and down with guide rail 22 and coordinates;
Housing 1 is fixedly installed fuse holder 23, the electric fuse in fuse holder 23 is electrically connected with circuit control module (not shown).
In above-described embodiment, the operation principle being positioned at the eccentric block 10 on right side is: when two output shaft electric machine 5 rotates forward, latch 11 withstands on the cell wall of groove 101, back power transmission shaft 9 rotates, drive the eccentric block 10 being positioned at right side to rotate together by latch 11, now, two back massage bar 3 symmetries are rotated; When two output shaft electric machine 5 reverses, back power transmission shaft 9 rotates backward, and after driving latch 11 to rotate backward 180 degree, latch 11 withstands on the cell wall of groove 101, drives eccentric block 10 to rotate together, now, and two asymmetric rotations of back massage bar 3.