JP3071563U - Back massager - Google Patents

Abstract

(57) [Problem] To provide a back massager that has a massage roller that moves along a curve of a user's back and that provides a comfortable massage effect. SOLUTION: A massage mechanism 30 provided on a receiving table 20 is mainly provided with a cushion mechanism, and a framework 61 of the massage mechanism 30 is pivotally mounted on the receiving table 20 by a rail base 10 and front and back by a coil spring 65. An elastic ring 69 is attached to a hollow position of the frame 61, and a roller is fitted to the elastic ring. When a force is applied to the roller, the elastic ring expands and contracts. As a result, rocking and expansion and contraction at an appropriate angle occur, and the massage roller moves along the curve of the back of the user in combination with expansion and contraction of the frame so that the massage effect can be obtained by elastically contacting. I have to.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to the structure of the back massager, which is mainly provided with a cushion mechanism on a massage mechanism provided on the pedestal, and the framework of the massage mechanism is pivotally mounted on the pedestal by rail rails on both sides. In addition, an elastic ring is attached to the hollow position of the framework, and a roller is attached to the elastic ring. When a force is applied to the roller, the elasticity is increased. The massage roller moves along the curve of the user's back in conjunction with the expansion and contraction of the frame, causing the massage roller to move elastically and obtain the massage effect. It relates to a massager that can be used.

[0002]

[Problems to be solved by the invention]

 The main object of the present invention is to provide an improved massage device structure. More specifically, when the screw rod rotates and moves up and down to massage the back of the human body, the fixed shaft of the roller of the massage mechanism is fitted to an elastic ring to apply pressure to the massage roller. The elastic ring expands and contracts, and a cushion effect is generated. A rail base is provided on the framework of the massage mechanism and is pivotally attached to the receiving base. A cotyl spring in the rail base provides the frame with appropriate elasticity. A massage effect in which the massage roller expands and contracts appropriately due to the pressure of the human body and the flexibility of the massage area, thereby producing a comfortable massage effect. It is intended to provide vessels.

[0003]

[Means for Solving the Problems]

 The above object is achieved by the following means of the present invention.

A back massager according to the invention of claim 1 is a back massager having a rail base provided with a vertically movable receiving base, and a massage mechanism provided on the receiving base and having a massage function. A grooved slide groove formed on both side edges of the rail base, a shaft base provided with a bearing extending forward at the center, and a lower position of the rail base opposed to the base. A motor base on which a motor to which a worm is mounted is mounted on a shaft is provided.Both upper and lower side plates of the motor base are provided, bearings are respectively provided at central locations corresponding to the rail bases, A screw rod is pivotally mounted between the bearings, and the screw rod is engaged with a worm wheel of a motor at a lower end, and the motor drives the screw rod to rotate. A grooved slide rod is provided, and a screw for mounting a screw rod is provided on each of the upper and lower plates of the pedestal. In the massage mechanism, a frame is pivotally provided on the front side of the pedestal, and an elongated slide groove is provided inside the frame, and the slide grooves correspond to through holes at upper and lower plate corners of the pedestal. The screw is passed through a coil spring, and the screw is fixed with a nut so that it has a degree of freedom of expansion and contraction with respect to the framework. One end of the coil spring is in contact with the inner surface of the cradle. The other end is mounted in a hole of the mounting base of the frame so that the frame is subjected to the pressing pressure of the coil spring to generate an elastic force for pushing the frame outward.

The back massage device according to the invention of claim 2 is the back massage device according to claim 1, wherein the back massage device is rotatably attached to a fixed shaft on an outer peripheral surface of a massage roller of the massage mechanism. A plurality of massage projections provided, the other end of the fixed shaft is fixed by an end sleeve, and an elastic fit for fitting and fixing an elastic ring is provided on an end surface of the fixed shaft and the end sleeve. The elastic ring is attached to the upper and lower mounting bases of the framework so that the massage roller is positioned at the front end of the framework and is configured to be elastically movable by an elastic ring.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, an embodiment will be described with reference to the drawings to explain the present invention in more detail.

FIG. 1 is an exploded structural view of a massager according to the present invention. FIG. 2 is an exploded structural view of the massage mechanism of the present invention. FIG. 3 is an external view of the massage mechanism of the present invention. FIG. 4 is a front view of the massage device of the present invention. FIG. 5 is a side structural view of the massage device of the present invention. FIG. 6A is a plan structural view of the massage device of the present invention. FIG. 6B is a partially enlarged view. FIG. 7 is a side sectional structural view of the massage mechanism of the present invention. FIG. 8 is a diagram showing a use state of the massage mechanism of the present invention.

FIGS. 1 to 8 show a back massager according to the present invention. The back massager is provided with a cradle 20 that can move up and down on the rail base 10, and a massage mechanism 30 having a massage effect is provided on the cradle 20.

A groove-shaped sliding groove 11 is formed on both side edges of the rail base 10, and a shaft base 12 extending forward is provided at the center of the rail base 10. A bearing 13 is provided on the headstock 12, a motor base 14 is provided at a position opposite to the lower side of the rail base 10, and a motor 15 installed in a lateral direction is mounted in the motor base 14. The worm 16 is attached to the shaft of the motor 15. Upper and lower side plates of the motor base 14 are provided, and bearings 17 are provided at central positions corresponding to the rail base 10, respectively. A joint screw rod is provided between the bearing 13 of the head base 12 and the bearing 17 of the motor base 14. A worm wheel 19 of a motor 15 is provided at the lower end of the screw rod 18, and the motor 15 drives and rotates the screw rod 18.

A groove-shaped sliding rod 21 is provided on both sides on the back side of the cradle 20 and is mounted in the sliding groove 11 of the rail base 10, and upper and lower plates 24 and 26 of the cradle 20 are respectively provided with screws. 25 and 27 are provided, the screws 25 and 27 screw the screw rod 18, so that when the screw rod 18 rotates, the cradle 20 is moved up and down with respect to the screw rod by the screws 25 and 27.

In the massage mechanism 30, a frame 61 is pivotally provided on the front side of the cradle 20, and a slot-shaped sliding groove 63 is provided inside the framework 61, and the sliding groove 63 is provided on the cradle 20. Corresponding to the through holes 28 at the corners of the lower plates 24 and 26, and further screwed in and fixed by screws 64. The screws 64 pass through coil springs 65 and are further tightened by nuts 641. Instead, the frame 61 has a degree of freedom of expansion and contraction movement. One end 651 of the coil spring 65 is in contact with the inner surface of the cradle 20, and the other bent end 652 is mounted in the hole 612 of the mounting base 611 of the frame 61. The elasticity to push outward is generated by the pushing force.

A plurality of massage protrusions 661 are provided on the outer peripheral surface of the massage roller 60, and the plurality of massage rollers 66 are rotatably attached to the fixed shaft 67. The ends are fixed by end covers 68, and elastic shafts 671, 681 for inserting and fixing elastic rings 69 are provided on the end surfaces of the fixed shaft 67 and the end cover 68. As shown in FIG. 6, toothed ratchet pawls 672 and 682 are provided on the inner peripheral surfaces of the elastic fits 671 and 681 so that the elastic rings can be effectively gripped. The elastic ring 69 is attached to the mounting bases 611 at the upper and lower ends of the frame 61 so that the massage roller 66 is positioned at the front end of the frame 61, and the elastic roller 69 causes the massage roller 66 to be linked to elastic contraction. You.

[Brief description of the drawings]

FIG. 1 is an exploded structural view of a massager according to the present invention.

FIG. 2 is an exploded structural view of the massage mechanism of the present invention.

FIG. 3 is an external view of the massage mechanism of the present invention.

FIG. 4 is a front view of the massage device of the present invention.

FIG. 5 is a side structural view of the massage device of the present invention.

FIG. 6A is a plan structural view of the massage device of the present invention. (B) is a partially enlarged view.

FIG. 7 is a side sectional structural view of the massage mechanism of the present invention.

FIG. 8 is a view showing a use state of the massage mechanism of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Rail stand 12 Shaft stand 13 Shaft sleeve 14 Motor stand 15 Motor 18 Screw rod 19 Warm wheel 20 Receiving stand 30 Massage mechanism 60 Massage roller 61 Frame 65 Coil spring 671 Elastic ring

Claims (2)

[Utility model registration claims] 1. A back massager including a rail base provided with a receiving base that can move up and down, and a massage mechanism provided on the receiving base and having a massage function, wherein both side edges of the rail base are provided. A grooved slide groove is formed, a shaft mount provided with a bearing extending forward at the center is provided, and a motor having a shaft attached to a worm is mounted at a position opposite to the lower side of the rail mount. A motor base is provided, upper and lower side plates of the motor base are provided, bearings are respectively provided at central positions corresponding to the rail bases, and a screw rod is pivotally provided between the bearing of the shaft base and the bearing of the motor base. A worm wheel of a motor is engaged with a lower end of the screw rod, and the screw rod is rotationally driven by the motor. On both sides on the back side of the pedestal, a dovetail-shaped slide rod is provided. A screw for attaching a screw rod is provided on each of the upper and lower plates, and the cradle is moved up and down with respect to the screw rod by the rotation of the screw rod.The massage mechanism has a framework pivotally mounted on the front side of the cradle. A slot-shaped slide groove is provided inside the framework, and the slide groove is fixed by screws corresponding to the through holes at the upper and lower plate corners of the receiving table, the screw passes through a coil spring, and The coil spring is fixed so as to have a degree of freedom of expansion and contraction movement, and one end of the coil spring is in contact with the inner surface of the receiving base, and the other end is in the hole of the mounting base of the framework. A back massager which is configured so as to be attached to generate an elastic force to push the frame outward by receiving the pressing pressure of the coil spring. 2. The back massage device according to claim 1, wherein a plurality of massage protrusions rotatably attached to a fixed shaft are provided on an outer peripheral surface of a massage roller of the massage mechanism, The other end of the fixed shaft is fixed by an end sleeve, and an elastic fit for fitting and fixing an elastic ring is provided on an end surface of the fixed shaft and the end surface of the fixed shaft. A back massager mounted such that the massage roller is positioned at the front end of the framework and is elastically movable by an elastic ring.