CN217885562U - Folding chair of washing hair - Google Patents

Abstract

The utility model discloses a folding chair of washing hair, include: the chair comprises a chair seat, wherein a first accommodating groove is formed at the bottom of the chair seat, the chair seat comprises chair legs, the upper ends of the chair legs are rotatably connected with the bottom of the chair seat, and the chair legs can be folded and placed in the first accommodating groove; the back of the chair, the back of the chair with the seat support rotates to be connected, the back of the chair configuration is to fix a position and lie flat position and a folding position of folding on the seat support, the front end of the back of the chair can be dismantled and be connected with the shampoo portion, the shampoo portion at least part can be arranged in the first holding groove. The problem that the existing hair washing chair occupies a large storage space due to the large integral size is effectively solved, and convenience is brought to carrying and storage of a user in daily use.

Description

Folding chair of washing hair

Technical Field

The utility model relates to a shampoo chair technical field especially relates to a folding shampoo chair.

Background

Most children are not matched in the hair washing process, crying and screaming are easy to occur, and the hair washing becomes the most annoying thing for parents.

Therefore, the special hair washing chair for children appears in the market, but the existing hair washing chair for children generally adopts an integrated fixed structure, so that the hair washing chair occupies a large storage space, and is inconvenient to carry and store when being used by a user in daily life.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a folding shampoo chair which can be folded, effectively avoids the problem that the whole size is large and the storage space is occupied, and brings convenience for the carrying and storage of the user in daily use.

The purpose of the utility model is realized by adopting the following technical scheme:

a folding shampoo chair comprising:

the chair comprises a chair seat, wherein a first accommodating groove is formed at the bottom of the chair seat, the chair seat comprises chair legs, the upper ends of the chair legs are rotatably connected with the bottom of the chair seat, and the chair legs can be folded and placed in the first accommodating groove;

the back of the chair, the back of the chair with the seat support rotates to be connected, the back of the chair configuration is to fix a position and lie flat position and a folding position of folding on the seat support, the front end of the back of the chair can be dismantled and be connected with the shampoo portion, the shampoo portion at least part can be arranged in the first holding groove.

Further, the back of the chair is still configured to be fixed a position in position of sitting, be equipped with positioning mechanism between the back of the chair and the seat support, positioning mechanism includes location portion and locating lever, location portion set firmly in the rear portion of seat support, locating lever one end is rotated and is connected behind the back of the chair, the other end of locating lever with be equipped with between the location portion and be used for making the back of the chair locks in the first locking structure in position of sitting.

Further, the back of the chair is close to the position of washing head portion is equipped with telescopic pillow and holds in the palm the subassembly, the pillow holds in the palm the subassembly and includes the supporting part, sets up the headrest on the supporting part and sets up the connecting rod on the supporting part, the headrest has towards the pillow of the direction downward sloping of washing head portion holds in the palm the cambered surface, the back of the chair is equipped with the pillow that is used for the holding to hold in the palm the recess, the pillow holds in the palm the recess and is equipped with an opening, the connecting rod stretches into realize flexible regulation in the opening, the connecting rod with be equipped with between the back of the chair and be used for with the second locking structure on the back of the chair is fixed to the connecting rod.

Furthermore, the front part of the chair back is provided with a jack, the head washing part is provided with an insert rod, the head washing part and the chair back are detachably mounted and connected in a mode that the insert rod is matched with the jack, and a third locking structure for fixing the head washing part on the chair back is arranged between the head washing part and the chair back; the washing head part is provided with a hanging hole, and the chair back is provided with a hanging bracket matched with the hanging hole.

Further, the seat back includes seat back support legs, upper ends of the seat back support legs being pivotally connected to a back of the seat back, the seat back support legs being configured to be positioned in an extended position and a folded position folded over the seat back; and a fourth locking structure for locking the chair back supporting legs at the folding positions is arranged between the chair back and the chair back supporting legs.

Furthermore, a second accommodating groove is formed in the back of the chair back, and the chair back supporting legs can be folded and arranged in the second accommodating groove.

Further, the lower part of the back of the chair articulates the rear portion of seat support, the back of the chair can rotate around using the articulated shaft between the folding position of lying position, position of sitting and folding on the seat support, be equipped with on the seat support with first hinge hole and the second hinge hole of articulated shaft mutually supporting, first hinge hole and second hinge hole communicate each other, work as when the articulated shaft is located first hinge hole, the back of the chair can be in the position of lying and the position of sitting switch over each other, work as when the articulated shaft is located the second hinge hole, the back of the chair can be folded.

Furthermore, a first rotating shaft and a first shaft hole are arranged between the chair legs and the chair seat, the first rotating shaft is arranged on one of the chair legs or the chair seat, and the first shaft hole is arranged on the other one of the chair legs or the chair seat; the upper ends of the chair legs are rotationally connected with the bottom of the chair seat through the rotation fit of the first rotating shaft and the first shaft hole.

Furthermore, a second rotating shaft and a second shaft hole are arranged between the chair back supporting legs and the chair back, the second rotating shaft is arranged on one of the chair back supporting legs or the chair back, and the second shaft hole is arranged on the other one of the chair back supporting legs or the chair back; the upper ends of the chair back supporting legs are rotatably connected with the back of the chair back through the rotating fit of the second rotating shaft and the second shaft hole.

Furthermore, the chair legs are composed of two pairs of splayed chair legs, and the four chair legs are all hollow cylindrical

Compared with the prior art, the beneficial effects of the utility model reside in that:

in the utility model, the chair legs are rotatably connected with the chair seat, so that the chair legs can be folded and stored in the first containing grooves, and further the chair legs are hidden in the chair seat, thereby reducing the space occupied by the chair seat; the chair back is rotatably connected with the chair seat and can be folded on the chair seat, so that the length of the whole hair washing chair is reduced by at least one half, and the occupied space of the hair washing chair is further reduced; when accomodating, to wash the head and dismantle from the back of the chair, because the head of washing can at least part place in the first recess that holds, the space that the head of washing occupied can be reduced like this for the occupation space of whole chair of washing hair reduces greatly. The utility model discloses a folding shampoo chair compares traditional shampoo chair, and occupation space is little, brings very big facility with the storage for carrying when the user daily uses.

Drawings

Fig. 1 is a schematic view of a chair back of a folding shampoo chair in a lying posture state;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic view of the folded back and seat of the foldable shampoo chair provided by the present invention;

fig. 4 is an exploded view of the folding shampoo chair according to the present invention in a folded state;

FIG. 5 is a schematic view of a seat of a foldable shampoo chair according to the present invention;

fig. 6 is a second schematic view of the seat of the foldable shampoo chair provided by the present invention;

fig. 7 is one of the schematic views of the chair back of the foldable hair washing chair provided by the present invention;

fig. 8 is a schematic view of a chair back of a foldable hair washing chair in a sitting posture state;

FIG. 9 is an enlarged partial view of FIG. 8 at A;

FIG. 10 is an enlarged partial view of FIG. 8 at B;

fig. 11 is a schematic view of the folding hair washing chair according to the present invention, in which the back is in a sitting posture, and the head is fixed to the back;

fig. 12 is a sectional view of a pillow assembly of a foldable shampoo chair provided by the present invention;

in the figure: 10. a chair seat; 100. an arc-shaped leg supporting surface; 101. a chair leg; 1010. a first rotating shaft; 102. a first accommodating recess; 103. a first hinge hole; 104. a second hinge hole; 105. a positioning part; 106. clamping holes; 107. a first shaft hole; 20. a chair back; 200. a smooth binding face; 201. chair back support legs; 2010. convex edges; 202. hinging a shaft; 203. a second shaft hole; 204. a hook; 208. positioning a rod; 2080. buckling; 2081. Positioning the clamping groove; 209. a suspension bracket; 30. washing the head; 301. a rod is inserted; 302. a hanging hole; 303. a sealing plug; 40. a pillow support assembly; 401. a support portion; 402. a headrest; 403. a connecting rod; 404. and (7) positioning the holes.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "one," "another," and the like are used to distinguish similar elements, and these terms and other similar terms are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. Corresponding reference numerals are used throughout the figures to indicate corresponding or corresponding elements (e.g., elements identified as "1XX" and "2XX" are structurally identical and functionally similar).

As shown in fig. 1-12, for the utility model provides a folding chair for washing hair, include:

a seat 10, wherein a first receiving groove 102 is formed at the bottom of the seat 10, the seat 10 comprises a leg 101, the upper end of the leg 101 is rotatably connected with the bottom of the seat 10, and the leg 101 can be folded and placed in the first receiving groove 102;

a backrest 20, the backrest 20 is rotatably connected to the seat 10, the backrest 20 is configured to be positioned at a lying position and a folded position folded on the seat 10, a head washing unit 30 is detachably connected to a front end of the backrest 20, and at least a part of the head washing unit 30 can be disposed in the first accommodating groove 102.

In the utility model, the chair legs 101 are rotatably connected with the chair seat 10, so that the chair legs 101 can be folded and stored in the first accommodating grooves 102, and the chair legs 101 are hidden in the chair seat 10, thereby reducing the occupied space of the chair seat 10; because the chair back 20 is rotatably connected with the chair seat 10 and the chair back 20 can be folded on the chair seat 10, the length of the whole shampoo chair is reduced by at least half, and the occupied space of the shampoo chair is further reduced; when the chair is stored, the hair washing part 30 is detached from the chair back 20, and the space occupied by the hair washing part 30 can be reduced because at least part of the hair washing part 30 can be arranged in the first accommodating groove 102, so that the occupied space of the whole hair washing chair is greatly reduced. The utility model discloses a folding shampoo chair compares traditional shampoo chair, and occupation space is little, brings very big facility with the storage for carrying when the user daily uses.

In a preferred embodiment, the backrest 20 is further configured to be positioned at a sitting position, a positioning mechanism is disposed between the backrest 20 and the seat 10, the positioning mechanism includes a positioning portion 105 and a positioning rod 208, the positioning portion 105 is fixed at the rear portion of the seat 10, one end of the positioning rod 208 is rotatably connected to the back of the backrest 20, and a first locking structure for locking the backrest 20 at the sitting position is disposed between the other end of the positioning rod 208 and the positioning portion 105.

In the embodiment, when the user does not need to wash his hair, the backrest 20 is switched from the lying position to the sitting position, and the backrest 20 is locked at the sitting position by the first locking structure, so that the backrest 20 can be fixed forward, the waist and the back can lean against, and the chair has the functions of a common chair, and is dual-purpose and high in practicability. The switching operation between the sitting position and the reclining position of the seatback 20 of the present embodiment is simple, and the first locking structure is only required to be operated to switch the sitting position and the reclining position freely.

The utility model discloses in, show the embodiment of first locking structure, first locking structure is including setting up at the positioning groove 2081 of the positioning lever 208 other end, locating the buckle 2080 of positioning groove 2081 inside wall and seting up the card hole 106 of location portion 105 lateral wall, positioning groove 2081 can with location portion 105 looks joint, buckle 2080 can with card hole 106 forms the lock relation. Of course, the first locking structure may also be other locking structures, such as a locking structure of a pin and a hole, a locking structure of a mortise and tenon joint, and the like, which is not limited herein.

As a preferred embodiment, a position of the seat back 20 close to the head washing portion 30 is provided with a retractable pillow support assembly 40, the pillow support assembly 40 includes a support portion 401, a headrest 402 disposed on the support portion 401, and a connecting rod 403 disposed on the support portion 401, the headrest 402 has a pillow support arc surface inclined downward toward the head washing portion 30, the seat back 20 is provided with a pillow support groove for accommodating the pillow support assembly 40, the pillow support groove is provided with an opening, the connecting rod 403 extends into the opening to achieve telescopic adjustment, and a second locking structure for fixing the connecting rod 403 on the seat back 20 is disposed between the connecting rod 403 and the seat back 20.

In the embodiment, the pillow support assembly 40 is arranged, so that the neck can be supported and protected during hair washing, and the comfort level of hair washing is improved; by providing the pillow recess, it is convenient to accommodate the pillow assembly 40, and at the same time, the upper surface of the pillow assembly 40 and the smooth attachment surface 200 of the backrest 20 are made to be flush with each other. The headrest 402 has a pillow support arc surface to prevent water from flowing back to the face and ears; pillow support assembly 40 sets up to adjustable to fix pillow support assembly 40 in a certain position through second locking structure, be applicable to the different children of age bracket, the practicality is stronger.

In addition, the headrest 402 of the embodiment is made of a soft plastic material, so that the headrest 402 has certain elasticity, and thus, a user can comfortably push the head or the neck against the headrest 402, thereby improving the comfort of hair washing; the headrest 402 is detachably connected with the supporting portion 401, so that the headrest 402 is convenient to replace.

The utility model discloses in, the embodiment of second locking structure is shown, and second locking structure is including setting up the first elastic bulge behind the back of the chair 20 and setting up a plurality of locating holes 404 on connecting rod 403, and wherein, a plurality of locating holes 404 evenly set up along the length direction of connecting rod 403, and the elastic bulge can block into in the locating hole 404 in order to realize the locking of pillow support subassembly 40. Of course, the second locking structure may also be other locking structures, such as a locking structure of a pin and a hole, a locking structure of a mortise and tenon joint, and the like, which is not limited herein.

As a preferred embodiment, the front portion of the seat back 20 is provided with an insertion hole, the head washing unit 30 is provided with an insertion rod 301, the head washing unit 30 and the seat back 20 are detachably mounted and connected in a manner that the insertion rod 301 is matched with the insertion hole, and a third locking structure for fixing the head washing unit 30 on the seat back 20 is arranged between the head washing unit 30 and the seat back 20; the head washing part 30 is provided with a hanging hole 302, and the chair back 20 is provided with a hanging bracket 209 matched with the hanging hole 302.

In this embodiment, the shampoo portion 30 can be dismantled with the back of the chair 20 through the matched with mode of inserted bar 301 and jack and be connected, on the one hand be convenient for assemble and dismantle, compare traditional shampoo portion 30 and back of the chair 20 structure as an organic whole, the utility model discloses can change the shampoo portion 30 of different specifications in a flexible way, the flexibility is stronger. In addition, due to the detachable structure of the head washing part 30, a user can use the head washing part flexibly according to own requirements, if the head washing part 30 can be inserted into the chair back 20 for use, the head washing part 30 can also be detached from the chair back 20 and placed on the ground for use, different requirements of the user are met, and the flexibility is strong. The head washing part 30 of the embodiment is further provided with a drain hole, the drain hole is provided with a sealing plug 303, and the drain hole can be connected with a drain pipe, so that water can be conveniently drained, a water pouring process is omitted, and the labor intensity is reduced. When not needing to wash hair, switch back of the chair 20 to the position of sitting posture to hang and establish the shampoo portion 30 on hanging bracket 209, be convenient for accomodate the shampoo portion 30 on the one hand, on the other hand reduces the occupation space of shampoo portion 30.

The utility model discloses in, showing the embodiment of third locking structure, third locking structure is including setting up the second elastic bulge behind the back of the chair 20 and setting up the locking hole on inserted bar 301, and the second elastic bulge can block into in the locking hole in order to lock head washing portion 30 on the back of the chair 20, prevents that head washing portion 30 from dropping easily. Of course, the third locking structure may also be other locking structures, such as a locking structure of a pin and a hole, a locking structure of a mortise and tenon joint, and the like, which is not limited herein.

In a preferred embodiment, the chair back 20 comprises chair back supporting legs 201, the upper ends of the chair back supporting legs 201 are rotatably connected with the back of the chair back 20, and the chair back supporting legs 201 are configured to be positioned at an unfolding position and a folding position folded on the chair back 20; a fourth locking structure for locking the chair back supporting legs 201 at the folding position is arranged between the chair back 20 and the chair back supporting legs 201.

In the present embodiment, when the seatback 20 is positioned in the lying position, the seatback support legs 201 are switched from the folded position to the unfolded position to stably support the seatback 20 by the seatback support legs 201. When the seat back 20 is positioned in the folded position, the seat back support legs 201 are switched from the unfolded position to the folded position, so that the seat back support legs 201 are hidden inside the seat back 20, and the occupied space is greatly reduced. The back support legs 201 of this embodiment are U-shaped, the ends 207 of the U-shaped back support legs 201 face the back 20, and the U-shaped back support legs 201 are beneficial to improving the stability of the support.

The utility model discloses in, showing the embodiment of fourth locking structure, fourth locking structure is including setting up pothook 204 behind the back of the chair 20 and setting up protruding stupefied 2010 on back of the chair supporting leg 201, and when folding the folding position on the back of the chair 20, pothook 204 forms the lock joint relation with protruding stupefied 2010 to lock back of the chair supporting leg 201 on the back of the chair 20, prevent that back of the chair supporting leg 201 from rocking at will. Of course, the fourth locking structure may also be other locking structures, such as a locking structure of a pin and a hole, a locking structure of a mortise and tenon joint, and the like, which is not limited herein.

In a preferred embodiment, a second receiving groove is formed at the back of the seat back 20, and the seat back support legs 201 can be folded and placed in the second receiving groove. Through setting up the second and holding the recess, make back of the chair supporting leg 201 hide in back of the chair 20, reduce the occupation space of back of the chair 20 to further reduce the whole occupation space of chair for washing hair.

In a preferred embodiment, the lower portion of the backrest 20 is hinged to the rear portion of the seat 10, the backrest 20 is capable of rotating about a hinge shaft 202 between a lying position, a sitting position and a folded position folded on the seat 10, the seat 10 is provided with a first hinge hole 103 and a second hinge hole 104 cooperating with the hinge shaft 202, the first hinge hole 103 and the second hinge hole 104 are communicated with each other, the backrest 20 is capable of being switched between the lying position and the sitting position when the hinge shaft 202 is located in the first hinge hole 103, and the backrest 20 is capable of being folded when the hinge shaft 202 is located in the second hinge hole 104.

In this embodiment, by providing the first hinge hole 103 and the second hinge hole 104 which are communicated with each other, and the hinge shaft 202 can move between the first hinge hole 103 and the second hinge hole 104, the chair back 20 can be conveniently switched between the lying position, the sitting position and the folding position, and the chair has the characteristics of simple structure and convenient operation.

In a preferred embodiment, a first rotating shaft 1010 and a first shaft hole 107 are disposed between the leg 101 and the seat 10, the first rotating shaft 1010 is disposed on one of the leg 101 and the seat 10, and the first shaft hole 107 is disposed on the other; the upper ends of the legs 101 are rotatably connected to the bottom of the seat 10 by the first shaft 1010 rotatably engaging with the first shaft hole 107. Of course, the legs 101 and the seat 10 may also be rotatably connected by other rotating structures, which are not specifically limited herein, as long as the legs 101 and the seat 10 can be rotatably connected.

In a preferred embodiment, a second rotating shaft and a second shaft hole 203 are arranged between the chair back supporting leg 201 and the chair back 20, the second rotating shaft is arranged on one of the chair back supporting leg 201 or the chair back 20, and the second shaft hole 203 is arranged on the other; the upper ends of the chair back supporting legs 201 are rotatably connected with the back of the chair back 20 through the rotation matching of the second rotating shaft and the second shaft hole 203. Of course, the chair back support legs 201 and the chair back 20 can be rotatably connected through other structures, which are not specifically limited herein, as long as the chair back support legs 201 and the chair back 20 can be rotatably connected.

In a preferred embodiment, the chair legs 101 are composed of two pairs of splayed chair legs 101, and the four chair legs 101 are all hollow and cylindrical. A splayed leg 101 capable of stably supporting the seat 10; the hollow chair legs 101 can ensure that the hair washing chair has light weight and is convenient to carry and transport.

In a preferred embodiment, the backrest 20 has a smooth abutting surface 200 for the back of the child to lean against in the lying position, the smooth abutting surface 200 abuts against the curve of the back of the child, the smooth abutting surface 200 has a streamline arc structure with a high front and a low back, the rear portion of the seat 10 smoothly transitions with the backrest 20, and the front portion of the seat 10 is bent downward to form an arc-shaped leg supporting surface 100. In this implementation, when the back of the chair 20 is in the position of lying, the smooth binding face 200 of the back of the chair 20 is laminated with children's back curve mutually, and smooth binding face 200 is the streamline arc structure of low back-high before being, when children lie on back the hair wash, the head is higher than the buttock, the buttock is sunken, the shank is leaned on the arc and is held in the palm on leg face 100, fine confession back of the waist and shank lean on, alleviate the fatigue of hairdressing, can also prevent the water reflux, the comfort level of lying on back has been improved, thereby improve the experience degree of hairdressing.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are all within the protection scope of the present invention.

Claims (10)

1. A folding shampoo chair, comprising:

the chair comprises a chair seat (10), wherein a first accommodating groove (102) is formed at the bottom of the chair seat (10), the chair seat (10) comprises chair legs (101), the upper ends of the chair legs (101) are rotatably connected with the bottom of the chair seat (10), and the chair legs (101) can be folded and placed in the first accommodating groove (102);

the back of the chair (20), back of the chair (20) with seat support (10) rotate to be connected, back of the chair (20) configure to the folding position of location on a tie lie position and a folding on seat support (10), the front end of back of the chair (20) can be dismantled and be connected with head washing portion (30), head washing portion (30) at least part can be arranged in first holding recess (102).

2. The folding shampoo chair as claimed in claim 1, characterized in that the backrest (20) is further configured to be positioned in a sitting position, a positioning mechanism is provided between the backrest (20) and the seat (10), the positioning mechanism comprises a positioning portion (105) and a positioning rod (208), the positioning portion (105) is fixedly arranged at the rear portion of the seat (10), one end of the positioning rod (208) is rotatably connected to the back of the backrest (20), and a first locking structure for locking the backrest (20) in the sitting position is provided between the other end of the positioning rod (208) and the positioning portion (105).

3. The folding shampoo chair as claimed in claim 1, characterized in that a retractable pillow holder assembly (40) is arranged at a position of the chair back (20) close to the shampoo part (30), the pillow holder assembly (40) comprises a support part (401), a pillow (402) arranged on the support part (401) and a connecting rod (403) arranged on the support part (401), the pillow (402) has a pillow holder arc surface inclined downward toward the direction of the shampoo part (30), the chair back (20) is provided with a pillow holder groove for accommodating the pillow holder assembly (40), the pillow holder groove is provided with an opening, the connecting rod (403) extends into the opening to realize telescopic adjustment, and a second locking structure for fixing the connecting rod (403) on the chair back (20) is arranged between the connecting rod (403) and the chair back (20).

4. The folding shampoo chair as claimed in claim 1, wherein the front portion of the chair back (20) is provided with an insertion hole, the head washing part (30) is provided with an insertion rod (301), the head washing part (30) and the chair back (20) are detachably mounted and connected in a manner that the insertion rod (301) is matched with the insertion hole, and a third locking structure for fixing the head washing part (30) on the chair back (20) is arranged between the head washing part (30) and the chair back (20); the washing head part (30) is provided with a hanging hole (302), and the chair back (20) is provided with a hanging bracket (209) matched with the hanging hole (302).

5. The folding shampoo chair as in claim 1, characterized in that said seat back (20) comprises seat back support legs (201), an upper end of said seat back support legs (201) being pivotally connected to a back of said seat back (20), said seat back support legs (201) being configured to be positioned in an unfolded position and a folded position folded over said seat back (20); a fourth locking structure for locking the chair back supporting legs (201) at the folding position is arranged between the chair back (20) and the chair back supporting legs (201).

6. A folding shampoo chair as claimed in claim 5 characterised in that a second receiving recess is formed in the back of the chair back (20) in which the chair back support legs (201) can be folded.

7. The folding shampoo chair as claimed in claim 1, characterized in that the lower portion of the backrest (20) is hinged at the rear portion of the seat (10), the backrest (20) being rotatable about a hinge axis (202) between a lying position, a sitting position and a folded position folded onto the seat (10), the seat (10) being provided with a first hinge hole (103) and a second hinge hole (104) cooperating with the hinge axis (202), the first hinge hole (103) and the second hinge hole (104) being in communication with each other, the backrest (20) being switchable between the lying position and the sitting position when the hinge axis (202) is located in the first hinge hole (103), the backrest (20) being foldable when the hinge axis (202) is located in the second hinge hole (104).

8. The folding shampoo chair as claimed in claim 1, wherein a first rotation shaft (1010) and a first shaft hole (107) are provided between the legs (101) and the seat (10), the first rotation shaft (1010) is provided on one of the legs (101) or the seat (10), and the first shaft hole (107) is provided on the other; the upper ends of the chair legs (101) are rotatably connected with the bottom of the chair seat (10) through the rotating fit of the first rotating shaft (1010) and the first shaft hole (107).

9. A folding shampoo chair as in claim 5 characterised in that a second pivot and a second pivot hole (203) are provided between the chair back support legs (201) and the chair back (20), the second pivot being provided on one of the chair back support legs (201) or the chair back (20) and the second pivot hole (203) being provided on the other; the upper ends of the chair back supporting legs (201) are rotatably connected with the back of the chair back (20) through the rotating fit of a second rotating shaft and a second shaft hole (203).

10. The folding hair washing chair according to claim 1, characterized in that the legs (101) consist of two pairs of splayed legs (101) and in that the four legs (101) are each hollow cylindrical.

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