CN103494702A - Sectional type massage chair backrest - Google Patents

Abstract

The invention discloses a backrest of a segmented massage chair, which comprises sequentially connected neck and shoulder sections, back sections and waist sections; The filling between the brackets is provided with two single-head cylindrical massage heads respectively acting on both sides of the neck and shoulders at the neck and shoulders; the back section includes a second shell, a bracket and filling The stuffing between the two shells and the brackets is provided with a pulley massage mechanism consisting of two pairs of pulley-type massage heads in the back section; the waist section includes a third shell, a third bracket and filling in the third shell As for the stuffing between the third bracket, double-headed turntable-type massage heads acting on both sides of the lumbar spine are provided on the lumbar section. The present invention adopts the design of the three-stage backrest of the massage chair, which is more in line with the requirements of the human body curve, and can meet the use needs of people of different ages in terms of body size and massage function.

Description

Backrest of a segmented massage chair

technical field

The invention belongs to the technical field of health care equipment, in particular to a segmented massage chair backrest.

Background technique

The backrest of the existing massage chair is designed as a whole, that is, the shoulders, neck, back, and waist are designed as a whole, and the local massage effect is achieved by relying on the limited displacement of the internal mechanical device of the massage chair. The internal mechanical device of this integrated massage chair backrest is to install massage heads or air cushions on an integral backrest frame, and realize local massage functions such as rotation of massage heads at specific parts or extrusion of air cushions through motor drive and air pressure control. The back design of the integral massage chair can only perform partial massage through the displacement of the massage device at a fixed position or within a limited size range. The massage function is only suitable for adults with a standard body shape and a small number of people whose size matches.

Contents of the invention

Purpose of the invention: Aiming at the deficiencies in the prior art, the purpose of the present invention is to provide a segmented massage chair backrest, which is more in line with the requirements of the human body curve, has reached the full contact between the backrest of the massage seat and the human body, and can meet the needs of different age groups. The relevant human body size and massage function of the people in different stages need to be used.

Technical solution: In order to realize the above-mentioned purpose of the invention, the technical solution adopted in the present invention is as follows:

A segmented massage chair backrest, comprising sequentially connected neck and shoulder sections, back section and waist section; the neck and shoulder section includes a first shell, a first bracket and a filling between the first shell and the first bracket Filling, two single-headed cylindrical massage heads respectively acting on both sides of the neck and shoulders are arranged on the neck and shoulders; The padding between the back sections is provided with a pulley massage mechanism consisting of two pairs of pulley-type massage heads; the waist section includes a third shell, a third bracket, and a filling between the third shell and the third bracket The padding between them is provided with double-headed turntable massage heads acting on both sides of the lumbar spine at the waist section.

The neck and shoulders are slightly convex on both sides and slightly sunken in the middle, and the massage head is close to the jacket, and the overall structure is "concave".

The back section is flat against the surface, the two sides are filled with sponge, and the part in contact with the body is slightly sunken.

The neck and shoulder section and the back section, and between the back section and the waist section are connected simultaneously through two ways of external connection and internal connection.

The external connection is that the gear arranged at the bottom of the upper part of the shell is inserted into the U-shaped groove at the top of the next part of the shell, and the gear teeth of the gear mesh with the tooth-shaped protrusions on the inner wall of the U-shaped groove.

The tooth-shaped protrusion is arranged on the linkage plate, and the linkage plate is movably arranged in the U-shaped groove, the first spring is set between the U-shaped groove and the linkage plate, and an inclined surface is provided at one end of the linkage plate; A second spring is arranged on the groove, and one end of the second spring is connected with the button, and a wedge surface matched with the inclined surface of the linkage plate is arranged on the side of the button.

The internal connection is a connecting rod connection, and the two ends of the connecting rod are spherical, respectively embedded in the corresponding connecting grooves of the brackets connecting the two parts.

The double-head rotary disc massage head is connected with the second motor.

The connection grooves on the first bracket and the third bracket are gourd-shaped, and a plurality of locking positions are provided at the spherical end of the connecting rod. The rotation and pulling of the connecting rod realize the rotation and sliding of the inner frame.

The single-head cylindrical massage head is connected with the first motor.

The pulley massage mechanism includes a walking motor, a pulley massage head, a stroke rod and a screw rod; the stroke rod and the screw rod are cross-linked, the walking motor is connected with the screw rod, and the pulley massage head is connected with the walking motor .

There are two travel rods, which are arranged in parallel on a square bracket composed of a cross bar and a vertical rod; the screw rod is vertically arranged on the travel rod, and one end is connected with the cross rod.

Beneficial effects: Compared with the prior art, the segmented massage chair backrest of the present invention uses the shoulder and neck, backrest and waist as an independently controllable segmented backrest through the three-segment massage chair backrest design, The massage mode of each part can be individually controlled by an independent motor. At the same time, the movement of the massage head device in each part is not restricted by the overall structural frame, and can be adjusted separately according to the size of the user's body and the shape of the backrest. The human body is completely matched, and it is more in line with the requirements of the human body curve. It has reached the full contact between the backrest of the massage seat and the human body, and can meet the needs of people of different ages in terms of body size and massage functions. In addition, the advantages include:

1) The neck and shoulder part of the backrest is also used as the user's headrest. It adopts a "concave" structure with slightly convex sides and a slightly inset middle; the back part is flat and slightly inset; the shape of the waist part is similar to the back part, with a slightly smaller body Small and shortened in height; the overall contact surface is an S-shaped curve in the left view, in order to better conform to the structure of the human spine.

2) Different massage devices are installed inside to meet the massage needs of different parts.

3) The overall design pursues the transition from "making people fit the seat" to "making the seat fit people".

Description of drawings

Fig. 1 is the front view of the segmented massage chair backrest;

Fig. 2 is a schematic structural view of the segmented massage chair backrest;

Fig. 3 is a side view of the segmented massage chair backrest;

Fig. 4 is a top view of the external connection;

Fig. 5 is a schematic diagram of the structure of the external connection.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, the backrest of the segmented massage chair is designed in three sections longitudinally according to the shape of the neck, shoulders, back, and waist of the human body, which are neck shoulder section 1, back section 2, and waist section 3. There are telescopic and adjustable connecting parts in between, which can be folded and transformed in different ranges to reduce the overall volume of the massage chair. The first part of the neck and shoulders is also used as the user's headrest, with slightly raised sides and filled with sponge; the middle is slightly sunken, and the massage head is close to the fabric layer. The massage head is a fixed head, and its periodic rotation produces the massage effect of kneading and finger pressure. The back section 2 is large in size, with a flat back surface, filled with sponge on both sides, and the part in contact with the body is slightly sunken; the back section 2 uses a roller massage head, which can pass through and move up and down along the screw rod to achieve continuous massage. The shape of the waist section 3 is similar to the back part, with a slightly smaller volume and shorter height; the overall contact surface is an S-shaped curve in side view. The third part of the waist section adopts double-head fixed massage heads, and its periodic rotation produces the massage effect of kneading and rolling. The neck and shoulder section 1, the back section 2 and the waist section 3 all include a shell (which can be made of plastic), a bracket (mainly used to support the massage mechanism), fillers (such as sponge) and other components in structure, and the shell is wrapped by a fabric layer. The back of the backrest is partially exposed.

As shown in Fig. 2, Fig. 3 and Fig. 4, the neck and shoulder section 1 includes a first shell 16, a first support 21 and two single-head cylindrical massage heads 7 acting on both sides of the neck and shoulder respectively. The bracket 21 is provided with a first motor 6, and the shaft groove of the first motor 6 meshes with the two gears to drive two single-head cylindrical massage heads 7 installed on it, and the single-head cylindrical massage heads 7 act on the neck and shoulders respectively. On both sides of the body, its periodic circular rotation produces a massage effect of kneading and shiatsu. Back section 2 comprises the pulley massage mechanism that second shell 19, support and two pairs of pulley type massage heads are formed; Support is the square support that is made up of two crossbars 10 and two vertical bars 11; The pulley massage mechanism includes walking motor 8, Pulley massage head 9, travel rod 12 and screw mandrel 13; Travel rod 12 has two, is located on the square support in parallel; Screw rod 13 is vertically located on the travel rod 12, and one end links to each other with cross bar 10; The rod 13 is connected, and the pulley massage head 9 is connected with the walking motor 8. The walking motor 8 drives the massage in various ways, and can slide up and down along the screw rod 13 according to the preset track to realize continuous massage and fixed-point vibration massage. It produces massage effects of massage, rolling and tapping on the back. Lumbar section 3 comprises the 3rd shell 20, the 3rd support 17 and the double-headed rotating disk type massage head 15 that acts on both sides of lumbar vertebrae, establishes second motor 14 on the 3rd support 17, the shaft groove of second motor 14 is connected with two After the gear meshes, it drives the double-head rotary table massage head 15 installed on it, and the periodic rotation of the double-head rotary table massage head 15 produces massage effects of kneading and rolling on both sides of the lumbar spine. Between the neck and shoulder section and the back section, and between the back section and the waist section, both are connected through external connection 5 and internal connection 4 at the same time. .

As shown in Figure 4 and Figure 5, the external connection 5 is that the gear 18 located at the bottom of the upper part of the shell is embedded in the U-shaped groove 22 (inverted U-shaped) at the top of the next part of the shell, and the gear teeth of the gear are on the inner wall of the U-shaped groove 22. The tooth-shaped protrusions 24 are meshed, and the rotation and positioning of the gear 18 realize the small-scale rotation and stretching of the outside of the corresponding device. Specifically: a gear 18 is set at the bottom of the first shell 16, a U-shaped groove 22 is set at the top of the second shell 19, and the tooth-shaped protrusion 24 located inside the U-shaped groove 22 meshes with the gear teeth of the gear 18. A gear 18 is arranged at the bottom of the second casing 19 , and a U-shaped groove 22 is arranged at the top of the third casing 20 . The tooth-shaped protrusion 24 is arranged on the linkage plate 26, and the linkage plate 26 is movably arranged in the U-shaped groove 22. A first spring 25 is set between the U-shaped groove 22 and the linkage plate 26, and an inclined plane is arranged at one end of the linkage plate 26. ; A fixed plate is provided on the U-shaped groove 22, a second spring 29 is provided between the fixed plate and the button 28, and a wedge surface 27 is provided on the side of the button 28 to cooperate with the slope of the linkage plate 26. During work, press button 28, wedge surface 27 presses linkage plate 26 to compress first spring 25 by the slope of linkage plate 26, makes tooth-shaped projection 24 retract outwards, leaves meshed gear 18; In the U-shaped groove 22, a certain angle of rotation and adjustment of moving up and down are made. After the completion, the button 28 is released, and the linkage plate 26 returns to its original position.

The internal connection 4 is a connecting rod connection, the two ends of the connecting rod are spherical, respectively embedded in the corresponding connecting grooves of the brackets connecting the two parts, the rotation and pulling of the connecting rod realize the rotation and sliding of the internal frame. Specifically: a gourd-shaped connection groove is provided on the first bracket 21, a connection groove is provided on the (upper) cross bar 10, a plurality of clamping positions are provided at the spherical end of the connecting rod, and the two ends are respectively connected to the gourd-shaped connection. Groove and (upper) in the connecting groove of cross bar 10. A gourd-shaped connecting groove is provided on the third support 17, a connecting groove is provided on the (lower) cross bar 10, and a plurality of clamping positions are provided at the spherical end of the connecting rod, and the two ends are respectively connected to the gourd-shaped connecting groove and ( Bottom) in the connecting groove of the crossbar 10.

In the segmented massage chair backrest of the present invention, the neck and shoulder parts of the backrest are also used as the user's headrest, and adopt a "concave" structure with slightly convex sides and a slightly inset center; the back part is flat and slightly inset; the waist part The shape is similar to the back part, with a slightly smaller volume and shorter height; the overall contact surface is an S-shaped curve in the left view, in order to better conform to the structure of the human spine. Different massage devices are installed inside to meet the massage needs of different parts. The backrest device can be folded and transformed, which reduces the overall volume of the massage chair and saves indoor space. The shoulder, neck, back and waist of the backrest can be independently controlled, and the size and angle can be adjusted separately to meet the needs of human body size and shape at different ages; the overall design pursues from "making people adapt to the seat" to "use The seat fits the person" transformation.

Claims (10)

1. A segmented massage chair backrest, characterized in that: it includes neck and shoulder sections (1), back section (2) and waist section (3) connected in sequence; the neck and shoulder section (1) includes the first The outer shell (18), the first bracket (21) and the filler filled between the first outer shell (18) and the first bracket (21), in the neck and shoulder section (1) are provided with Two single-head cylindrical massage heads (7) on both sides of the head; the back section (2) includes a second shell (19), a bracket and a filler filled between the second shell (19) and the bracket , the back section (2) is equipped with a pulley massage mechanism consisting of two pairs of pulley-type massage heads; the waist section (3) includes a third shell (20), a third bracket (22) and filling in For the stuffing between the third shell (20) and the third support (22), the lumbar section (3) is provided with double-headed turntable massage heads (15) acting on both sides of the lumbar spine. 2. The segmented massage chair backrest according to claim 1, characterized in that: the neck and shoulder section (1) is slightly convex on both sides, slightly sunken in the middle, and the massage head is close to the coat, and the overall shape is " Concave" structure. 3. The segmented massage chair backrest according to claim 1, characterized in that: the back section (2) has a flat backrest surface, both sides are filled with sponge, and the part in contact with the body is slightly sunken. 4. The segmented massage chair backrest according to claim 1, characterized in that: between the neck and shoulder section (1) and the back section (2), between the back section (2) and the waist section (3) , are connected simultaneously through two ways of external connection (5) and internal connection (4). 5. The segmented massage chair backrest according to claim 4, characterized in that: the external connection (5) is a gear (23) at the bottom of the upper part of the shell embedded in a U-shaped groove (22) at the top of the next part of the shell ), the gear teeth of the gear (23) mesh with the tooth-shaped projections (24) on the inner wall of the U-shaped groove. 6. The segmented massage chair backrest according to claim 5, characterized in that: the tooth-shaped protrusion (24) is set on the linkage plate (26), and the linkage plate (26) is movable on the U In the groove (22), a first spring (25) is set between the U-shaped groove (22) and the linkage plate (26), and an inclined plane is provided at one end of the linkage plate (26); on the U-shaped groove (22), A second spring (29) is provided, one end of the second spring (29) is connected to the button (28), and the side of the button (28) is provided with a wedge surface (27) matched with the slope of the linkage plate (26). ). 7. The segmented massage chair backrest according to claim 4, characterized in that: the internal connection (4) is a connecting rod connection, and the two ends of the connecting rod are spherical, respectively embedded in the corresponding connecting grooves of the brackets connecting the two parts middle. 8. The segmented massage chair backrest according to claim 1, characterized in that: the double-headed turntable-type massage heads (15) are connected to the second motor (14). 9. The segmented massage chair backrest according to claim 1, characterized in that: the pulley massage mechanism includes a travel motor (8), a pulley massage head (9), a stroke rod (12) and a screw rod (13) ; The travel rod (12) is cross-connected with the screw rod (13), the travel motor (8) is connected with the screw rod (13), and the pulley massage head (9) is connected with the travel motor (8) . 10. The segmented massage chair backrest according to claim 1, characterized in that there are two travel rods (12), which are arranged in parallel on a square bracket composed of a horizontal bar (10) and a vertical bar (11). above; the screw rod (13) is vertically arranged on the stroke rod (12), and one end is connected with the cross bar (10).

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