JP3085231U - Masuma chair - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a grooming chair that can stably and smoothly move up and down a lifting base frame equipped with a grooming machine and that can minimize the thickness of a backrest frame. SOLUTION: In a massaging chair in which a lifting base frame 10 equipped with a massaging machine 15 can be driven to move up and down along a backrest frame 5 of a backrest portion 3, a backrest frame 5 includes a pair of left and right side guide rails 6, 6. And three guide rails, a back guide rail 7 disposed at an intermediate portion between the left and right side guide rails 6, 6, and these three guide rails 6, 6, 7
The elevating base frame 10 is guided up and down via engaging members 11 and 12 slidably engaged with each other, and a rotary screw shaft 13 for driving the elevating base frame is arranged on one of the right and left ends of the backrest frame 5. The nut 14 on the side of the elevating base frame 10 is screwed onto the rotary screw shaft 13 to drive the elevating base frame 10 up and down.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a massaging chair in which an elevating base frame equipped with a massaging machine having hitting and massaging functions is driven to move up and down along a backrest frame of a backrest portion.

[0002]

[Prior art]

 In a conventional gamma chair, a pair of left and right guide rails are arranged on a backrest frame of a backrest portion, and an elevating base frame equipped with a grooming machine is provided on both the left and right guide rails via engagement members slidably engaged. The rotary screw shaft for driving the lifting base frame is arranged in the middle part between the left and right guide rails in consideration of the right and left balance of the power points for raising and lowering the base frame. A nut member on the lifting base frame side is screwed onto the rotary screw shaft to drive the lifting base frame up and down.

[0003]

[Problems to be solved by the invention]

 In the conventional gamma chair described above, the lifting base frame equipped with a considerable weight of a grooming device is structured to be supported only by a pair of left and right guide rails, so that the lifting operation of the lifting base frame can be performed. There was a problem that it was unstable and could be caught when ascending or descending, or the metal noise caused by this caught. In addition, since the rotary screw shaft for driving the lifting base frame is arranged at the intermediate portion between the left and right guide rails, the lifting base frame equipped with the rubbing machine and the rotary screw shaft overlap in the thickness direction of the backrest frame, and the backrest. There was a problem that the thickness of the frame became considerably thick, the backrest was bulky, and the appearance was unsightly.

[0004] In view of the above problems, the present invention provides an anomaly chair capable of stably and smoothly moving up and down an elevating base frame equipped with an anomaly machine and reducing the thickness of a backrest frame as much as possible. The purpose is to provide.

[0005]

[Means for Solving the Problems]

 The invention according to claim 1 is a grooming chair in which a lifting base frame 10 equipped with a grooming device 15 can be driven up and down along the backrest frame 5 of the backrest portion 3, wherein the backrest frame 5 comprises a pair of left and right side guide rails. 6 and a back guide rail 7 disposed at an intermediate portion between the left and right side guide rails 6 and 6, and slidably engages with the three guide rails 6, 6, and 7. The ascending and descending base frame 10 is guided up and down through the engaging members 11 and 12, and a rotating screw shaft 13 for driving the ascending and descending base frame is disposed on one of right and left ends of the backrest frame 5. The nut member 14 on the side of the lifting base frame 10 is screwed to the lifting base frame 10 to drive the lifting base frame 10 up and down.

According to a second aspect of the present invention, in the massage chair according to the first aspect, the backrest frame 5 is disposed in a pair of left and right side guide rails 6 and 6 and an intermediate portion between the left and right side guide rails 6 and 6. And a top plate 8 and a lower plate 9 for connecting the upper and lower ends of these three guide rails 6, 6, 7 to each other.

According to a third aspect of the present invention, there is provided the massaging chair according to the first or second aspect, wherein the engaging members 11 and 12 are formed of guide rollers fixed to the lifting base frame 10.

[0008]

[Embodiment of the invention]

 FIG. 1 is a partial cross-sectional side view of the gamma chair according to the present invention, FIG. 2 is a front view of a backrest portion of the gamma chair, FIG. 3 is a rear view of the backrest portion, and FIG. FIG. In FIG. 1, reference numeral 1 denotes a gamma chair main body, 2 denotes a seat portion fixedly provided on the gamma chair main body 1, 3 denotes a backrest portion provided to be tiltable on the gamma chair main body 1, and Armrests 4, 4 are provided on both left and right sides of the seat 2.

As shown in FIG. 1, the backrest portion 3 has a backrest frame 5. As shown in FIGS. 2 to 4, the backrest frame 5 includes a pair of left and right side guide rails 6, and both right and left sides. A back guide rail 7 arranged at an intermediate portion of the guide rails 6, 6 to be precise, and a top plate connecting the upper end portions and the lower end portions of the guide rails 6, 6, 7, respectively. 8 and the lower plate 9 are integrally framed.

The engaging members 11 and 12 slidably engage with the three guide rails 6, 6 and 7 of the left and right side guide rails 6 and 6 and the back guide rail 7 of the backrest frame 5. The so-called three-sided support structure guides the elevating base frame 10 equipped with the rubbing machine 15, and the rotary screw shaft 13 for driving the elevating base frame is disposed on one of the left and right ends of the backrest frame 5. An elevating nut member 14 on the elevating base frame 10 side is screwed to the rotary screw shaft 13 to drive the elevating base frame 10 up and down.

The lifting base frame 10 has a pair of upper and lower horizontal support shafts 17, 18 having a length slightly shorter than the left and right width of the backrest frame 5 attached to a gear case 16 of the rubbing machine 15. A mounting plate 19 is attached to one end of each of the shafts 17, 18 so as to extend over both horizontal support shafts 17, 18. Both ends of the upper and lower horizontal support shafts 17, 18 serve as engaging members 11, respectively. A guide roller is rotatably mounted, and a guide roller as an engagement member 12 is rotatably mounted on the rear side of the gear case 16 at two upper and lower positions.

Therefore, the lifting base frame 10 is composed of a pair of left and right side guide rails 6, 6 and a back guide rail 7 located at a middle rear portion between the left and right side guide rails 6, 6. The guide is guided up and down via guide rollers 11 and 12 slidably engaged with 6, 6, and 7. Each side guide rail 6 is made of a channel steel to which a guide roller as an engaging member 11 fits, and a back guide rail 7 is also made of a similar channel steel to which a guide roller as an engaging member 12 fits. Consists of

An elevating nut member 14 is fixed to a mounting plate 19 of the elevating base frame 10, and the elevating nut member 14 is screwed onto the rotary screw shaft 13. A large-diameter pulley 20 is fixed to the lower end of the rotary screw shaft 13, and a lifting drive motor 21 is installed in the center of the lower part of the backrest frame 5, and a small motor fixed to the output shaft of the motor 21. The pulley 22 having a diameter and the large-diameter pulley 20 on the side of the rotary screw shaft 13 are interlockingly connected via a belt 23, and the forward / reverse rotation of the lifting / lowering nut member 14 by the forward / reverse rotation driving of the lifting / lowering drive motor 21. The lifting base frame 10 is driven to move up and down.

The masseter 15 is provided with a motor 24 for the masseter installed on the lifting base frame 10, a gear case 16 in which an internal gear mechanism is driven by the motor 24, and an upper part of the gear case 16. The kneading shaft 25, a hitting shaft 26 provided on the lower side of the gear case 16, a pair of right and left holders 27, 27 fixed to the kneading shaft 25, one end of each holder 27 and the hitting shaft 26. And a rubbing and smashing arm 29 protruding from the other end of each holder 27, and a rubbing and smashing roller 30 attached to the tip of the rubbing and smashing arm 29. By driving the kneading shaft 25, the kneading and hitting roller 30 performs the kneading action via the kneading / hitting arm 29, and the kneading roller 30 performs the kneading action. The rubbing / hitting roller 30 performs a hitting action via the intermediary 29.

In FIG. 1, reference numeral 31 denotes a back cloth that covers the surface of the back part 3 including the lifting base frame 10 equipped with the rubbing machine 15.

In the gamma chair configured as described above, when the lifting / lowering base frame 10 equipped with the grooming machine 15 is moved up and down, the lifting drive motor 21 is driven to rotate in one direction. The rotary screw shaft 13 is rotated in one direction by the large-diameter pulley 20, and the rotation of the rotary screw shaft 13 causes the lifting nut member 14 to screw upward, and the lifting base frame 10 is moved through the engaging members 11 and 12. When the motor 21 is rotated in the reverse direction while being guided by the left and right side guide rails 6 and 6 and the back guide rail 7, the small diameter pulley 22, the belt 23 and the large diameter pulley 20 likewise rotate. 13 rotates in the reverse direction, and the reverse rotation of the rotary screw shaft 13 causes the lifting nut member 14 to screw downward, and the lifting base frame 10 engages with the engaging portion in the same manner as described above. It descends while being guided by left and right side guide rails 6, 6 and the back guide rail 7 via the members 11, 12.

When the elevating base frame 10 equipped with the massaging machine 15 moves up and down as described above, the elevating base frame 10 is connected to the right and left side guide rails 6 and 6 and the back guide rail via the engaging members 11 and 12. 7 is guided by the three guide rails 6, 6, 7 so that the elevating base frame 10 is moved up and down in an extremely stable state despite the fact that it is equipped with an annealer 15 of considerable weight. As a result, there is no inconvenience such as catching at the time of ascending or descending, and generating abnormal noise of a metal, as in a conventional massage chair supported only by a pair of left and right guide rails. Further, since the guide rollers are used as the engaging members 11 and 12, the lifting base frame 10 can be guided very smoothly up and down along the guide rails 6 and 7.

Further, since the lifting base frame 10 can be moved up and down in a stable state as described above, it is not necessary to take care to balance the power points for raising and lowering the lifting base frame 10 from side to side. The shaft 13 can be arranged on one of the left and right ends of the backrest frame 5 which does not overlap with the lifting base frame 10 and the rubbing machine 15 mounted on the shaft 13, whereby the thickness of the backrest frame 5 (width in the front-rear direction) is increased. ) Can be made as thin as possible, the backrest 3 is not bulky and compact, the appearance can be improved, and the design of the rubbing chair as a whole is very excellent.

As described above, the backrest frame 5 includes a pair of left and right side guide rails 6, 6, a back guide rail 7, and upper and lower ends of these guide rails 6, 6, 7. Are formed by the top plate 8 and the lower plate 9 which connect each of them, so that the number of parts is small, the structure is simple, the manufacture is easy, and the massage chair can be provided at low cost.

[0020]

[Effect of the invention]

 According to the grooming chair of the invention according to claim 1, the elevating base frame equipped with the grooming machine is composed of a pair of left and right side guide rails and a back guide rail arranged at an intermediate portion between the left and right side guide rails. However, since the ascending and descending guides are provided by a so-called three-sided support structure via engaging members slidably engaged with these three guide rails, the ascending and descending base frame is equipped with a considerable weight of an anodizing machine. Nevertheless, the lift base frame can be raised and lowered in an extremely stable state, and there is no inconvenience such as the occurrence of catching or raising of abnormal metal noise when moving up and down as in the case of a conventional rubbing chair.

In addition, since the lifting base frame can be moved up and down in a stable state as described above, there is no need to take into consideration such as balancing the power points for raising and lowering the lifting base frame from side to side. The thickness of the backrest frame can be made as thin as possible by arranging it at one of the left and right ends of the backrest frame that does not overlap with the frame and the anodizing machine mounted thereon, thereby improving the appearance of the backrest portion. It can be done very well from the design of the whole masuma chair.

[0022] As described in claim 2, the backrest frame includes a pair of left and right side guide rails, a back guide rail, and a top plate that connects the upper end portions and the lower end portions of the three guide rails. And the lower plate, the number of parts is small, the structure is simple, the production is easy, and the massage chair can be provided at low cost.

According to a third aspect of the present invention, when a guide roller pivotally mounted on the elevating base frame is used as the engaging member, the elevating base frame can be moved very smoothly along the respective guide rails. be able to.

[Brief description of the drawings]

FIG. 1 is a partial sectional side view of a massage chair according to the present invention.

FIG. 2 is a front view of a backrest portion of the anoma chair.

FIG. 3 is a rear view of the backrest.

FIG. 4 is a partial cross-sectional plan view of the backrest.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 body mating chair 3 backrest part 5 backrest frame 6 side guide rail 7 back guide rail 8 top plate 9 main plate 10 elevating base frame 11, 12 engaging member 13 rotating screw shaft 14 elevating nut member 15 grading machine

Claims (3)

[Utility model registration claims] 1. A massaging chair in which a lifting base frame equipped with a massaging machine can be driven up and down along a backrest frame of a backrest portion, the backrest frame comprises a pair of left and right side guide rails,
It has three guide rails with a back guide rail disposed in the middle of the left and right side guide rails, and guides the lifting base frame up and down via an engaging member slidably engaged with these three guide rails. At the same time, a rotary screw shaft for driving the lifting base frame is disposed on one of the left and right ends of the backrest frame, and a nut member on the lifting base frame side is screwed to this rotary screw shaft to drive the lifting base frame up and down. Masuma chair. 2. The backrest frame includes a pair of left and right side guide rails, a back guide rail disposed at an intermediate portion between the left and right side guide rails, and upper and lower ends of the three guide rails. 2. The massage chair according to claim 1, wherein the chair is formed by a top plate and a lower plate connected to each other. 3. The massaging chair according to claim 1, wherein the engaging member comprises a guide roller fixed to a lifting base frame.