JP2002035074A - Chair type massage device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chair type massage device in which two massage units arranged in a seat part and a back part are driven by one driving source. SOLUTION: The device is provided with the seat part body 7 arranged in a chair main body 1, the back part body 11 arranged in the seat part body so as to be rotatable, a first guide rail 22 which is disposed over the seat part body and the back part body and where a bendable flexible part is formed in a middle part, a belt 28 endlessly running along the first guide rail, a first massage unit 35 which is arranged at the side of the seat part body and connected to the belt, a second massage unit 45 which is arranged at the side of the back part body and connected to the belt to be made to run by driving in the opposite direction of the first massage unit by the endless running of the belt, a second driving source 54 for permitting the belt to endlessly run along the guide rail by reciprocatively driving the second massage unit along the vertical direction of the back part body and armor cloth 66 for covering the upper surface side of the seat part body and the back part body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a chair-type massage device which allows a user to receive a massage while sitting.

[0002]

2. Description of the Related Art In general, a chair-type massage apparatus has a chair body, a seat body is provided substantially horizontally, and a back body is provided at a rear end side of the seat body. .
The back body is provided so as to be adjustable in angle with respect to the seat body, so that the user can adjust the sitting posture when receiving a massage.

[0003] A massage unit is provided on the back body so as to be drivable in the vertical direction, so that the back of a user sitting on the seat body can be massaged.

In a conventional chair-type massage device,
Although the back body is provided with a massage unit, but the seat body is not provided with a massage unit,
The user sitting on the seat can receive a massage on the upper body of the back, but cannot receive a massage on the buttocks and legs located on the seat. there were.

[0005]

That is, in the conventional chair type massage apparatus, the back body is provided rotatably with respect to the seat body. For this reason, one massage unit cannot be provided so as to run over the back body and the seat body, so that a portion of the body located on the seat body cannot be massaged.

Therefore, it has been considered to provide a massage unit on each of the back body and the seat body. However, in this case, a drive device must be provided on the back body and the seat body for driving the respective massage units, so that the size and cost of the device may be increased.

It is an object of the present invention to provide a chair-type massage apparatus in which a massage unit is provided on a seat body and a back body, and these massage units can be driven without using separate driving means.

[0008]

According to a first aspect of the present invention, there is provided a chair body, a seat body provided on the chair body, and a rotatable and predetermined rotation angle with respect to the seat body. A first guide rail provided so as to be capable of being provided, a flexible portion which is provided over the seat body and the back body, and which is formed in a middle portion and which bends in accordance with the rotation of the back body; A belt provided so as to be able to travel along the guide rails, a first massage unit provided on the seat body side and connected to the belt, and a belt provided on the back body side and the belt travels, A second massage unit connected to the belt so as to run in a direction opposite to that of the first massage unit; and a reciprocating drive of the second massage unit along a vertical direction of the back body. Driving means for endless travel along the Le, in a chair type massaging apparatus characterized by comprising an exterior locations, covering the upper surface of the seat body and the back body.

According to a second aspect of the present invention, the first massage unit is provided on the guide rail so as to be able to travel, and is connected to the belt. A roller shaft, a plurality of massage rollers slidably provided on the roller shaft along the axial direction, and the support member provided on the seat portion, wherein the support member interlocks with the running of the belt. 2. The chair type massage apparatus according to claim 1, further comprising a guide groove for sliding a massage roller provided on a shaft along a width direction of the seat body along the roller shaft.

According to a third aspect of the present invention, the driving means includes a driving source provided in the second massage unit, a pinion fitted to a driving shaft that is driven to rotate by the driving source, and A chair-type massage device, comprising: a rack provided along the longitudinal direction of the back body and engaged with the back body to rotate the second massage unit when the pinion rotates.

According to a fourth aspect of the present invention, a second guide rail is provided on both sides of the back body along the longitudinal direction, and the second guide rail is provided on both sides of the second massage unit. 2. The chair-type massage apparatus according to claim 1, wherein the rollers are rollably engaged.

According to a fifth aspect of the present invention, when the first massaging unit is positioned at the tip of the seat, the massaging unit is positioned at the upper end of the back. The chair-type massage device according to claim 1, wherein a unit is connected to the belt.

According to the present invention, the first massage unit provided on the seat body and the second massage unit provided on the back body are connected to the endlessly running belt along the first guide rail. Since the belt is driven endlessly by the driving means, the two massage units can be driven by the seat body and the back body only by driving the belt.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

The chair type massage apparatus of the present invention shown in FIGS. 1 to 3 has a chair body 1.

As shown in FIG. 3, the chair body 1 has a pair of leg members 2 formed by bending a square pipe in a substantially inverted U-shape and a plurality of the paired leg members 2 connected together. Are formed by the connecting members 3a to 3c.

An L-shaped member 4 is provided at both ends of a connecting member 3b located at an intermediate portion in the front-rear direction of the leg member 2, and an armrest member 5 is provided at an upper end of the L-shaped member 4 with an armrest member 5 in the front-rear direction of the chair body 1. Is attached along.

A pair of support rods 6 are erected on the front upper surfaces of the pair of leg members 2, respectively, and the support rods 6 constitute a seat 7 having a square pipe bent in a U-shape. The frame 8 is supported substantially horizontally.

On both sides of the rear portion of the seat frame 8, first
Are fixed. A second connecting piece 13 provided at a lower end of a back frame 12 constituting the back body 11 is pivotally attached to the first connecting piece 9 by a support shaft 14.

A connecting member 3a located on the front end side of the leg member 2.
Is provided with a turning mechanism 15 for turning the back body 11. The rotation mechanism 15 has a drive source 17 pivotally supported by a bracket 16 provided on the connecting member 3a, and a drive shaft 18 driven in the axial direction by the drive source 17. The tip is pivotally attached to a bracket 19 provided at the lower end of the back frame 12.

Accordingly, if the drive shaft 18 is driven by the drive source 17 in the forward direction from the state shown by the solid line in FIG. 1, the back frame 12 is rotated in the upright direction as shown by the chain line from the folded state. Will be done. The back body 12 can be held at a predetermined upright angle by the rotating mechanism 15.

A plate-like member 21 is provided on the seat frame 8 of the seat body 7 as shown in FIG. This plate member 2
First guide rails 22 are laid on both ends in the width direction of the upper surface of the first guide rails 22, respectively. This first guide rail 22
2 is provided from the seat body 7 to the upper end of the back body 11 as shown in FIG. The portion of the first guide rail 22 located on the side of the seat 7 is slidably held by the holder 20, and the portion provided on the back 11 is the same as that shown in FIG.
As shown in FIG. 12, it is held by hanging members 23 provided at predetermined intervals along the vertical direction of the back frame 12.

The first guide rail 22 is made of a foldable synthetic resin such as polypropylene, polyvinyl, or nylon as shown in FIG.
4 and a lower passage 25.

That is, as shown in FIGS. 9, 10 and 12, the first guide rail 22 has a band-shaped base 22a.
L-shaped reinforcement pieces 22b are provided at both ends in the width direction, and a pair of L-shaped pieces 22c are respectively provided on the upper and lower surfaces of the middle part so as to face each other.
The upper passage 2 is formed by a pair of opposing L-shaped pieces 22c.
4 and a lower passage 25 are formed.

As shown in FIG. 2, FIG. 9 and FIG. 10, a reinforcing piece excluding the base 22a is provided at an intermediate portion of the first guide rail 22 corresponding to a connection portion between the seat frame 8 and the back frame 12. A plurality of slits 26 are formed at predetermined intervals in the longitudinal direction of the L-shaped piece 22c and the L-shaped piece 22c. Thus, a flexible portion 27 that allows the guide rail 22 to be bent is formed in the middle of the first guide rail 22. That is, the guide rail 22 can be bent in accordance with the rotation of the back body 11.

The upper passage 2 of the first guide rail 22
A belt 28 formed of a belt-shaped stainless steel plate is inserted through the lower passage 4 and the lower passage 25. The belt 28 has an endless shape, and the first guide rail 2
As shown in FIG. 1, the portions led out from both ends of the 2 are wound around rollers 29 provided rotatably. FIG. 5 shows the tip of the seat body 5 side,
The belt 28 wound around is prevented from sagging by the tension member 31.

The seat body 7 is provided with a first massage unit 35. The first massage unit 35 has a roller shaft 36 as shown in FIGS. Both ends of the roller shaft 36 are held by a support 37. As shown in FIG. 6, a pair of wheels 38 are rotatably provided on both ends of the support 37 in the width direction. The pair of wheels 38 rolls along a running surface 22d formed on the first guide rail 22, as shown in FIG.

As shown in FIG. 6, both ends of a wire 39 are connected and fixed to the upper portion of the outer surface of the support 37. The middle part of the wire 39 is inserted through a winding part 42 of a guide member 41 attached to a lower part of the outer surface of the support 37 as shown in FIG. Further, the middle portion of the wire 39 is connected to the upper passage 24 of the belt 28 as shown in FIG.
Are inserted through the insertion portions 40a of a pair of mounting plates 40 provided at predetermined intervals on the upper surface of the portion inserted through the mounting plate 40. Therefore, when the belt 28 runs endlessly along the paths 24 and 25 of the first guide rail 22 as described later, the support 37 is interlocked with the running.

Roller shaft 3 laid on a pair of supports 37
A plurality of massage rollers 42 are provided on 6 so as to be slidable in the axial direction and rotatable around the axis. In this embodiment, the roller shaft 36 is provided with four massage rollers 42 as shown in FIG.

Each of the massage rollers 42 is inserted into each of four guide grooves 43 formed on the upper surface of the plate member 21 of the seat body 7. The guide grooves 43 are formed by providing elastic blocks 44 such as urethane foam at predetermined intervals as shown in FIG.

As shown in FIG. 2, of the four guide grooves 43, the two guide grooves 43 located at the center are formed in parallel, and the two guide grooves 43 located on both sides are
As it goes to the side, it is inclined outward in the width direction.
Therefore, the first massage unit 35 is
, The distance between the four massage rollers 42 changes in accordance with the inclined state of the guide groove 43. That is, the massage roller 42
Since the distance increases from the thigh portion of the user sitting on the seat body 7 to the buttocks, 4
Since the distance between the two massage rollers 42 is reduced and massage is performed without coming off from the thigh, the distance is increased in the buttocks, so that the buttocks are massaged as a whole.

The back body 11 is provided with a second massage unit 45. The second massage unit 45 has a housing 46 as shown in FIGS. As shown in FIG. 11, a pair of arms 47 (only one is shown) protrude from the upper surface of the housing 46.
, A pair of kneading rollers 48 is rotatably provided. Further, a pair of hitting rollers 49 are provided on the upper surface of the housing 46 as shown in FIG.

As shown in FIG. 12, connecting pieces 51 are provided at both ends in the width direction of the upper surface of the housing 46. The connecting piece 51 is connected and fixed to a mounting piece 52 fixed to a portion of the belt 28 inserted into the lower passage 25 of the first guide rail 22.

In the case 46, the arm 47 is driven to drive the kneading roller 48 as shown by a chain line in FIG.
A first drive source 53 for giving a fir movement and a beating movement to the hitting roller 49;
And a second driving source 54 for reciprocally driving the back and forth along the back body 11 in the vertical direction.

The second drive source 54 has a drive shaft 55 that is driven to rotate. The drive shaft 55 projects outside from one end of the housing 46 on the side of the seat 7 on both sides. A pinion 56 and a roller 58 are fitted to the protruding end of the drive shaft 55. The pinion 56 meshes with a rack 57 provided on the inner surface on both sides of the back frame 12 along the vertical direction. Further, a pair of support shafts 59 are provided at the other end portions on both side surfaces of the housing 46, respectively.
8 is provided rotatably. Each roller 58 is rotatably engaged with an L-shaped second guide rail 61 provided on both sides of the back frame 12.

The second drive source 54 selectively drives the drive shaft 55 to rotate forward and backward. Drive shaft 55
Is driven in the normal rotation direction, the pinion 56 fitted to the drive shaft 55 moves from the upper side to the lower side of the back body 11 along the rack 57. The movement of the pinion 56 causes the housing 4
6 are linked with each other, so that the belt 2
8 is linked. That is, the belt 28 runs endlessly along the upper passage 24 and the lower passage 25 of the first guide rail 22.

When the belt 28 runs endlessly, the first massage unit 35 provided on the seat body 7 and connected to the belt 28 is interlocked. Here, the first massage unit 35 is connected to a portion of the belt 28 located in the upper passage 24, and the second massage unit 45 is connected to a portion located in the lower passage 25. Therefore, when the belt 28 runs endlessly, the first massage unit 35 runs in the opposite direction to the second massage unit 45. That is, the second massage unit 45 is
When the first massage unit 35 is driven from the upper end side to the lower end side, the first massage unit 35 is driven from the front end side to the rear end side of the seat body 7.

When the drive shaft 55 is driven in the reverse direction, the first massage unit 35 is driven from the rear end to the front end of the seat 7, and the second massage roller 45 is moved to the lower end of the back 11. It is driven from the side toward the upper end.
That is, the first massage unit 35 and the second massage unit 45 can be driven in opposite directions only by the first drive source 53.

On the front surface of the back body 11, there is provided a cover 62 having an opening at a portion corresponding to the traveling range of the second massage unit 45. The cover 62 is made of a relatively hard synthetic resin. As shown in FIG. 11, screws 64 (see FIG. 11) are provided on both sides of the back frame 12 so as to protrude from the front side of the back frame 12. 3). On the upper surface of the cover 62, a cushion material 65 is provided.

The seat body 7 and the back body 11 are covered with an exterior ground 66. The exterior fabric 66 is formed of a fabric having a strength that does not break even when rubbed by the rollers 42, 48, and 49.

As shown in FIG. 4, a sheet-like cushioning material 67 is provided on a portion of the exterior ground 66 covering the upper surface of the seat member 7, and block-shaped cushion members 67 are provided on both sides of the upper surface of the seat member 7 in the width direction. A cushion material 68 is provided.

According to the chair-type massage device configured as described above, the first massage unit 3 is attached to the seat 7.
5 is provided, and the back body 11 is provided with a second massage unit 45.

Therefore, when the user sits on the seat body 7 and leans on the back body 11 to activate the second drive source 54, the user can use the massage units 35 and 45 to move on the seat body 7. , And the upper body corresponding to the back body 11 can be massaged.

The massage roller 42 of the first massage unit 35 is slidably provided on the roller shaft 36, and moves in the width direction of the seat 7 along the guide groove 43 when driven. Therefore, the four massage rollers 42 do not come off from the thigh portion of the user at the front end side of the seat body 7 and move to the rear end side, so that the distance is widened and the buttocks are massaged as a whole. Can enhance the massage effect.

The first drive source 53 of the second massage unit 45 applies a kneading motion to the kneading roller 48 and applies a hitting motion to the hitting roller 49, so that the massage effect can also be enhanced. .

When the second drive source 54 provided in the second massage unit 45 is operated, the pinion 56 meshed with the rack 57 is driven to rotate, and the rotation of the pinion 56 causes the second massage unit 45 to rotate. Is driven along the rack 57.

When the second massage unit 45 is driven, the belt 28 to which the second massage unit 45 is connected runs endlessly along the first guide rail 22, and is connected to the belt 28. The first massage unit 35 is driven in the opposite direction to the second massage unit 45.

That is, both the first massage unit 35 and the second massage unit 45 can be driven only by the second drive source 54. Therefore, the configuration can be simplified as compared with a case where the massage units 35 and 45 are driven by different drive sources.

As means for transmitting the power of the second drive source 54 to the first and second massage units 35 and 45, the belt 28 and the upper passage 24 and the lower passage 25 for guiding the endless running of the belt 28 are provided. The first guide rail 22 is used. The first guide rail 22 is the seat body 7.
The portion corresponding to the connecting portion between the body and the back body 11 is the flexible portion 27.
Is formed.

Therefore, when the first drive mechanism 15 is operated to change the angle of the back body 11 with respect to the seat body 7, the first guide rail 22 and the belt 28 are connected to the back body 11
, The angle of the back body 11 can be smoothly adjusted, and the power of the second drive source 54 is supplied to the first massage unit 35 regardless of the angle of the back body 11. Can be transmitted reliably.

If the user does not receive a massage,
When the second massage unit 45 is located at the upper end of the back body 11, the second massage unit 35 is located at the front end of the seat body 7, and conversely, the second massage unit 45 is located at the back body. If it is located at the lower end of 11,
The first massage unit 35 is located at the rear end of the seat 7.

In other words, when not using as a massage device but as a chair, both the first massage unit 35 and the second massage unit 45 are connected to the end of the seat body 7 and the back body 11. The massage units 35 and 345 hardly obstruct the user who sits down.

[0053]

According to the present invention, the first massage unit provided on the seat body and the second massage unit provided on the back body are connected to the belt running along the first guide rail. Then, the belt is driven by driving means.

Therefore, by driving the belt, the first massage unit provided on the seat body and the second massage unit provided on the back body can be driven. In other words, the two massage units can be driven by one driving unit without using separate driving units, so that the configuration can be simplified.

Since the first guide rail is formed with a flexible portion which bends in accordance with the rotation of the back body, the first guide rail bends freely in accordance with the rotation angle of the back body to ensure the running of the belt. Since the two massage units are guided, the two massage units can be reliably driven regardless of the rotation angle of the back body.

In addition, the first massage unit and the second massage unit
Is driven in the opposite direction by the running of the belt.

Therefore, when each of the massage units is not used and is merely used as a chair, the massage units should be positioned at the ends of the seat body and the back body so as not to disturb the user when sitting. Can be.

[Brief description of the drawings]

FIG. 1 is a side view of a massage device according to an embodiment of the present invention.

FIG. 2 is a plan view in a state where an exterior ground is removed.

FIG. 3 is a perspective view showing a state where a cover is partially disassembled and a cover is disassembled.

FIG. 4 is a cross-sectional view of a part of the seat body along a width direction.

FIG. 5 is a sectional view of a portion of a first guide rail provided at a distal end portion of a seat body.

FIG. 6 is a side view showing a support of the first massage unit.

FIG. 7 is a perspective view of a guide member that connects a support and a wire.

FIG. 8 is a perspective view of a mounting plate for connecting a support and a belt via a wire.

FIG. 9 is a plan view of a portion of the first guide member where a flexible portion is formed.

FIG. 10 is a sectional view taken along the line XX of FIG. 9;

FIG. 11 is a sectional view of a portion of the back body provided with a second massage unit.

FIG. 12 is an enlarged view showing a connection structure between a second massage unit and a belt provided on a first guide rail.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Chair body 7 ... Seat body 11 ... Back body 22 ... First guide rail 28 ... Belt 35 ... First massage unit 36 ... Roller shaft 42 ... Massage roller 43 ... Guide groove 45 ... Second massage unit 54 … Second drive source 56… pinion 57… rack 66… exterior

Claims (5)

[Claims] A chair body; a seat body provided in the chair body; a back body rotatably provided at a predetermined rotation angle with respect to the seat body; A first flexible portion that is provided over the body and the back body and that has a flexible portion formed in a middle portion in accordance with the rotation of the back body;
A guide rail provided so as to be able to travel along the first guide rail; a first massage unit provided on the seat body side and connected to the belt; and a belt provided on the back body side. A second massage unit coupled to the belt so that the belt travels in a direction opposite to the first massage unit; and a reciprocating drive of the second massage unit along a vertical direction of the back body. A chair-type massage device comprising: a driving means for causing the belt to travel along the guide rails; and an exterior covering the upper surfaces of the seat body and the back body. 2. The first massage unit is provided on the guide rail so as to be able to travel, and is connected to the belt, and a roller shaft erected on the support in a direction intersecting the traveling direction. A plurality of massage rollers slidably provided on the roller shaft along the axial direction; and the support provided on the seat body is provided on the roller shaft by interlocking with the running of the belt. The chair type massage device according to claim 1, further comprising a guide groove for sliding a massage roller along a width direction of the seat along the roller axis. 3. The drive means includes: a drive source provided in the second massage unit; a pinion fitted to a drive shaft that is rotationally driven by the drive source; A chair-type massage device, comprising: a rack provided along a longitudinal direction of the body, the rack moving the second massage unit by rotating the pinion. 4. A second guide rail is provided on both sides of the back body along the longitudinal direction, and rollers provided on both sides of the second massage unit are mounted on the second guide rail. The chair-type massage device according to claim 1, wherein the massage device is movably engaged. 5. When the first massaging unit is positioned at the tip of the seat body, the massaging units are attached to the belt such that the second massaging unit is positioned at the upper end of the back body. The chair-type massage device according to claim 1, wherein the chair-type massage device is connected.