CN217337676U - Children's chair of washing hair - Google Patents

Abstract

The utility model discloses a children's chair of washing hair, including the seat support and 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 at least one flat position of lying, the front portion of the back of the chair can be dismantled and is connected with the washing head, the back of the chair has the smooth binding face that is used for supplying the back of the waist to lean on in the position of lying, smooth binding face laminates with children's back curve mutually, the low streamline arc structure in high back before smooth laminating personally submits, the front portion of seat support with the rear portion rounding off of the back of the chair, the rear portion downwarping of seat support forms the arc and holds in the palm the leg face. Is favorable for improving the comfort level of hair washing.

Description

Children's chair of washing hair

Technical Field

The utility model relates to a shampoo chair technical field especially relates to a children's shampoo chair.

Background

The mother holds the child in his/her arms, holds the head of the child with one hand, and uses the other hand to wash hair for the child, and at this time, the body of the child is inclined with high feet and low head, which easily causes strain or pressure injury to the waist of the child, and the shampoo easily flows into the eyes, ears or nostrils of the child, so that the child feels very uncomfortable. In view of the above situation, some infant hair washing chairs appear in the existing market, but the existing hair washing chair is low in comfort level during use, and the waist and the back of the user are easy to fatigue.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a hair washing chair for children, which is favorable for improving the comfort level when washing hair.

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

the utility model provides a children's chair of washing hair, includes the seat support and 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 in the position of lying at least one flat, the front portion of the back of the chair can be dismantled and be connected with the head washing portion, the back of the chair has and is used for the smooth binding face that the position supplied the back to lean on at the flat, smooth binding face and children's back curve laminate mutually, the streamline arc structure that the height was low after preceding was personally submitted to smooth binding, the front portion of seat support with the rear portion rounding off of the back of the chair, the rear portion downwarping of seat support forms the arc and holds in the palm the leg face.

Furthermore, the edges of the two sides of the chair seat extend upwards to form handrail baffles, and the handrail baffles are of an arched structure and have smooth cambered surfaces.

Furthermore, the handrail baffle and the seat are of an integral structure.

Further, the seat back includes seat back support legs, upper ends of the seat back support legs are rotatably connected to a back of the seat back, and the seat back support legs are configured to be positioned at an unfolded position and a folded position folded onto the seat back.

Further, the back of the chair with be equipped with between the back of the chair supporting leg the first locking structure of back of the chair supporting leg locking on folding position, first locking structure is including setting up pothook behind the back of the chair and the protruding stupefied of setting on the back of the chair supporting leg work as the back of the chair supporting leg is located during the folding position of the back of the chair, the pothook can with protruding stupefied formation lock joint.

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 second locking structure in position of sitting.

Furthermore, the second locking structure comprises a positioning clamping groove arranged at the other end of the positioning rod, a buckle arranged on the inner side wall of the positioning clamping groove and a clamping hole formed in the side wall of the positioning part, the positioning clamping groove can be clamped with the positioning part, and the buckle can be fastened with the clamping hole.

Further, the back of the chair still configures to the folding position of location on the seat support, 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 flat position of lying, 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 flat position of lying and switch over each other between the position of sitting, work as when the articulated shaft is located the second hinge hole, the back of the chair can be folded on the seat support.

Further, the back of the chair is close to the position of washing head is equipped with telescopic pillow support subassembly, pillow support subassembly includes the supporting part, sets up headrest and the connecting rod of setting on the supporting part, the headrest have towards the pillow of the direction downward sloping of washing head holds in the palm the cambered surface, the back of the chair is equipped with the pillow support recess that is used for the pillow support subassembly of holding, pillow support recess is equipped with an opening, the connecting rod stretches into realize flexible the regulation in the opening, the connecting rod with be equipped with between the back of the chair be used for with third 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 connected in a mode that the insert rod is matched with the jack, and a fourth 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.

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

the utility model discloses in, when the back of the chair was in the position of lying, the smooth binding face of the back of the chair was laminated with children's back curve mutually, and the streamline arc structure that low back was high before the smooth laminating was personally submitted, when children were lying on the back and were having one's hair washed, the head was higher than the buttock, the buttock is sunken, the shank pastes and leans on the arc support leg face, fine confession waist back of the body leans on, alleviates the fatigue of having washed one's hair, has improved the comfort level of lying on the back to improve the hairdressing and experience.

Drawings

Fig. 1 is a schematic view of a child shampoo chair in a lying position according to the present invention;

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

fig. 3 is a schematic view of a child shampoo chair provided by the present invention in a sitting position;

FIG. 4 is a schematic view of a child's hair washing chair provided by the present invention in a folded position;

FIG. 5 is an exploded view of the head washing unit, the seat back and the seat, wherein at least a portion of the head washing unit is inserted into the first receiving recess;

FIG. 6 is a schematic view of a seat of a child's hair washing chair according to the present invention;

fig. 7 is a second schematic view of a seat of a children's hair washing chair provided by the present invention;

fig. 8 is one of schematic diagrams of a chair back of a child hair washing chair provided by the present invention;

fig. 9 is a second schematic view of a chair back of a child hair washing chair provided by the present invention;

fig. 10 is a schematic view of a chair back of a child's hair washing chair positioned in a sitting position according to the present invention;

FIG. 11 is an enlarged view of a portion of FIG. 10 at A;

FIG. 12 is an enlarged partial view of FIG. 10 at B;

FIG. 13 is a cross-sectional view of a pillow assembly of a child's shampoo chair provided by the present invention;

FIG. 14 is a schematic view illustrating a usage status of a child's hair washing chair for washing hair;

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. a clamping hole; 107. a first shaft hole; 108. a handrail baffle; 20. a chair back; 200. a smooth binding surface; 201. chair back support legs; 2010. convex edges; 202. hinging a shaft; 203. a second shaft hole; 204. a hook; 205. a jack; 206. a pillow support groove; 207. an opening; 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 (6) 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 "1 XX" and "2 XX" are structurally identical and functionally similar).

As shown in fig. 1-14, for the utility model provides a pair of children's chair of washing hair, including seat support 10 and the back of the chair 20, the back of the chair 20 with seat support 10 rotates to be connected, back of the chair 20 configures to the location and lies the position at least one tie, the front portion of back of the chair 20 can be dismantled and is connected with head washing portion 30, back of the chair 20 has the smooth binding face 200 that is used for supplying the back of the waist to lean on in the position of lying, smooth binding face 200 laminates with children's back curve mutually, low streamline arc structure in high back before smooth binding face 200 is, the front portion of seat support 10 with back of the chair 20's rear portion rounding off, the rear portion downwarping of seat support 10 forms the arc and holds in the palm leg face 100.

The utility model discloses in, when the back of the chair 20 was in the position of lying, the smooth binding face 200 of the back of the chair 20 was laminated with children's back curve mutually, and the streamline arc structure that low after the smooth binding face 200 was high before, when children were lying on back and were having one's hair washed, the head was higher than the buttock, the buttock is sunken, the shank pastes and leans on arc support leg face 100, fine confession waist back is leaned on, alleviates the fatigue of washing one's hair, has improved the comfort level of lying on one's back to improve the hairdressing and experience.

In a preferred embodiment, the two side edges of the seat 10 extend upward to form arm rests 108, and the arm rests 108 are arched and have smooth curved surfaces. The design of the seat 10 in combination with the armrest baffle 108 can prevent children from turning over, and at the same time, plays a certain role in protection; the arched handrail baffle 108 has a smooth arc surface, so that children are prevented from being scratched, and the safety of hair washing is improved.

In a preferred embodiment, the armrest baffle 108 is integral with the seat 10. The handrail baffle 108 with the seat support 10 can be through once injection moulding, and the associativity of the two is good like this, and wholeness intensity is high to handrail baffle 108 position keeps fixed, facilitates the use, improves the convenience of use, also can not be in disorder during the transportation simultaneously, convenient transportation.

In a preferred embodiment, the seat back 20 includes seat back support legs 201, the upper ends of the seat back support legs 201 are pivotally connected to the back of the seat back 20, and the seat back support legs 201 are configured to be positioned in an extended position and a folded position folded onto the seat back 20. 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, thereby further improving hair washing comfort. 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 of the chair supporting leg 201 of this embodiment is the U font, and the opening 207 end orientation of U font back of the chair supporting leg 201 the back of the chair 20, the back of the chair supporting leg 201 of U font is favorable to improving the stability of supporting.

As a preferred embodiment, a first locking structure for locking the backrest support legs 201 at the folding position is arranged between the backrest 20 and the backrest support legs 201, the first locking structure comprises a hook 204 arranged at the back of the backrest 20 and a convex edge 2010 arranged on the backrest support legs 201, and when the backrest support legs 201 are located at the folding position of the backrest 20, the hook 204 and the convex edge 2010 can form a lock joint.

When the chair back 20 is in the sitting position, the chair back support legs 201 are folded and stored behind the chair back 20, and the hook 204 is matched with the convex edge 2010, so that the chair back support legs 201 are fixed on the chair back 20, and the chair back support legs 201 are prevented from shaking randomly. When the locking state of the hook 204 and the convex edge 2010 is released, the chair back support leg 201 is positioned at the unfolding position, and the chair back 20 can be supported. Of course, the first locking structure may also be other locking structures, such as a locking structure of a pin and a socket 205, a mortise and tenon locking, and is not limited herein.

As 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 one; 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 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 fixedly disposed 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 second 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 this embodiment, through setting up positioning mechanism for back of the chair 20 can be in the position of lying and the position of sitting posture and switch over at will, when switching over the position of sitting posture by the position of lying, earlier the back of the chair 20 upwards rotates to lock back of the chair 20 in the position of sitting posture through the second locking structure, so alright make back of the chair 20 fixed forward, thereby supply the back of the waist to lean on, thereby use as the seat. The switching operation between the sitting position and the reclining position of the seatback 20 of the present embodiment is simple, and the second locking structure is only required to be operated to freely switch the sitting position and the reclining position.

As a preferred embodiment, the second locking structure includes a positioning slot 2081 disposed at the other end of the positioning rod 208, a buckle 2080 disposed on an inner sidewall of the positioning slot 2081, and a fastening hole 106 disposed on a sidewall of the positioning portion 105, the positioning slot 2081 can be fastened to the positioning portion 105, and the buckle 2080 can be fastened to the fastening hole 106. Of course, the second locking structure may also be other locking structures, such as a locking structure of a pin and a hole 205, a mortise structure, etc., and is not limited herein.

In a preferred embodiment, a third rotating shaft and a third shaft hole are provided between the positioning rod 208 and the seat back 20, the third rotating shaft is provided on one of the positioning rod 208 and the seat back 20, and the third shaft hole is provided on the other; the upper end of the positioning rod 208 is rotatably connected with the back of the chair back 20 through the rotation fit of the third rotating shaft and the third shaft hole. Of course, the positioning rod 208 and the seat back 20 may also be rotatably connected through other structures, which is not specifically limited herein as long as the positioning rod 208 and the seat back 20 can be rotatably connected.

In a preferred embodiment, the backrest 20 is further configured to be positioned at a folding position folded on the seat 10, a lower portion of the backrest 20 is hinged at a rear portion of the seat 10, the backrest 20 can rotate about a hinge shaft 202 between a lying position, a sitting position and a folding position folded on the seat 10, the seat 10 is provided with a first hinge hole 103 and a second hinge hole 104 which are engaged with the hinge shaft 202, the first hinge hole 103 and the second hinge hole 104 are communicated with each other, when the hinge shaft 202 is positioned in the first hinge hole 103, the backrest 20 can be switched between the lying position and the sitting position, and when the hinge shaft 202 is positioned in the second hinge hole 104, the backrest 20 can be folded on the seat 10.

In this embodiment, by providing the first hinge hole 103 and the second hinge hole 104 that 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 back has the characteristics of simple structure and convenient operation. In addition, the chair back 20 can be folded and arranged on the chair seat 10, so that the length of the whole hair washing chair is reduced by at least half, the occupied space of the hair washing chair is greatly reduced, and the hair washing chair is convenient to store and transport.

As a preferred embodiment, a retractable pillow assembly 40 is disposed at a position of the seat back 20 close to the head washing portion 30, the pillow 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 arc surface inclined downward toward the head washing portion 30, the seat back 20 is provided with a pillow recess 206 for accommodating the pillow assembly 40, the pillow recess 206 is provided with an opening 207, the connecting rod 403 extends into the opening 207 to achieve retractable adjustment, and a third 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 206, 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 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 third 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 abut 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 concrete implementation of third locking structure is shown, and third 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 third locking structure may also be other locking structures, such as a locking structure of a pin and a socket 205, a mortise and tenon locking, and the like, which is not limited herein.

As a preferred embodiment, a jack 205 is arranged at the front part of the chair back 20, an insertion rod 301 is arranged on the head washing part 30, the head washing part 30 and the chair back 20 are detachably connected in a manner that the insertion rod 301 is matched with the jack 205, and a fourth 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 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 matched with mode that shampoo head 30 passes through inserted bar 301 and jack 205 can be dismantled with the back of the chair 20 and be connected, and the equipment of being convenient for on the one hand and dismantlement compare traditional shampoo head 30 and be a body structure with the back, the utility model discloses can change shampoo head 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 as to facilitate drainage, save a water pouring process and reduce labor intensity. When the head washing is not needed, the chair back 20 is switched to the sitting position, and the head washing part 30 is hung on the hanging bracket 209, so that the head washing part 30 is convenient to store on one hand, and the occupied space of the head washing part 30 is reduced on the other hand.

The utility model discloses in, showing the embodiment of fourth locking structure, fourth 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 socket 205, a mortise and tenon locking, and the like, which is not limited herein.

In a preferred embodiment, a first receiving groove 102 is formed at the bottom of the seat 10, the seat 10 includes two pairs of legs 101 shaped like a Chinese character 'ba', the upper ends of the legs 101 are rotatably connected to the bottom of the seat 10, the legs 101 are configured to be positioned at an unfolded position and a folded position folded on the seat 10, and the legs 101 can be folded in the first receiving groove 102; the head washing part 30 can be at least partially placed in the first receiving recess 102

In this embodiment, since the legs 101 are rotatably connected to the seat 10, the legs 101 can be folded and stored in the first receiving groove 102, and then the legs 101 are hidden in the seat 10, so as to reduce the occupied space of the seat 10. When the seat is stored or transported, the head washing part 30 is detached from the chair back 20, and the head washing part 30 can be at least partially arranged in the first accommodating groove 102, so that the space occupied by the head washing part 30 can be reduced, the occupied space of the whole head washing chair is greatly reduced, and the storage space and goods transportation space are reduced. In addition, the splayed legs 101 can stably support the seat 10; the chair legs 101 of the embodiment are all hollow structures, so that the chair is light in weight and convenient to carry and transport.

In a preferred embodiment, a first rotating shaft 1010 and a first shaft hole 107 are provided between the leg 101 and the seat 10, the first rotating shaft 1010 is provided on one of the leg 101 and the seat 10, and the first shaft hole 107 is provided 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.

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 based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. The utility model provides a children's chair of washing hair, its characterized in that, includes seat support (10) and the back of the chair (20), back of the chair (20) with seat support (10) rotate to be connected, back of the chair (20) configuration is located at least one tie position of lying, the front portion of back of the chair (20) can be dismantled and is connected with head washing portion (30), back of the chair (20) have be used for supplying smooth binding face (200) that the back leaned on in the tie position, smooth binding face (200) laminate with children back curve mutually, low streamline arc structure in high back before smooth binding face (200) are, the front portion of seat support (10) with the rear portion rounding off of back of the chair (20), the rear portion downwarping of seat support (10) forms arc and holds in the palm leg face (100).

2. The children's hair washing chair according to claim 1, wherein the seat (10) is formed with arm rests (108) extending upward from both side edges thereof, and the arm rests (108) have an arch structure and a smooth curved surface.

3. The children's shampoo chair according to claim 2 wherein the arm guards (108) are of unitary construction with the seat (10).

4. The child's shampoo chair as in claim 1 wherein the seat back (20) comprises seat back support legs (201), the upper ends of the seat back support legs (201) being pivotally connected to the back of the seat back (20), the seat back support legs (201) being configured to be positioned in an unfolded position and a folded position folded over the seat back (20).

5. The children's shampoo chair as claimed in claim 4, characterized in that a first 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), the first locking structure comprises a hook (204) arranged at the back of the chair back (20) and a convex edge (2010) arranged on the chair back supporting legs (201), and when the chair back supporting legs (201) are located at the folding position of the chair back (20), the hook (204) can form a buckle connection with the convex edge (2010).

6. The shampoo chair for children as claimed in claim 1, wherein the backrest (20) is further configured to be positioned at 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 second locking structure for locking the backrest (20) at the sitting position is provided between the other end of the positioning rod (208) and the positioning portion (105).

7. The children's shampoo chair according to claim 6, wherein the second locking structure comprises a positioning clamp groove (2081) disposed at the other end of the positioning rod (208), a buckle (2080) disposed on an inner side wall of the positioning clamp groove (2081), and a clamp hole (106) disposed on a side wall of the positioning portion (105), the positioning clamp groove (2081) can be clamped with the positioning portion (105), and the buckle (2080) can be fastened with the clamp hole (106).

8. The children's shampoo chair according to claim 1, characterized in that said back (20) is further configured to be positioned in a folded position folded on the seat (10), a lower portion of said back (20) is hinged at a rear portion of said seat (10), said back (20) is rotatable about a hinge axis (202) between a lying position, a sitting position and the folded position folded on the seat (10), said seat (10) is provided with a first hinge hole (103) and a second hinge hole (104) cooperating with said hinge axis (202), said first hinge hole (103) and said second hinge hole (104) are in communication with each other, said back (20) is switchable between the lying position and the sitting position when said hinge axis (202) is positioned in the first hinge hole (103), said back (20) is switchable between the lying position and the sitting position when said hinge axis (202) is positioned in the second hinge hole (104), the chair back (20) can be folded on the chair seat (10).

9. The child's shampoo chair as in claim 1 wherein said seat back (20) is provided with a retractable pillow assembly (40) adjacent said shampoo section (30), the pillow support component (40) comprises a support part (401), a headrest (402) arranged on the support part (401) and a connecting rod (403) arranged on the support part (401), the headrest (402) has a pillow support arc surface inclined downward toward the head washing section (30), the chair back (20) is provided with a pillow support groove (206) for accommodating the pillow support component (40), the pillow support groove (206) is provided with an opening (207), the connecting rod (403) extends into the opening (207) to realize telescopic adjustment, and a third 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).

10. The children's hair washing chair according to claim 1, characterized in that the front part of the chair back (20) is provided with a jack (205), the hair washing part (30) is provided with an insert rod (301), the hair washing part (30) and the chair back (20) are detachably connected in a way that the insert rod (301) is matched with the jack (205), and a fourth locking structure for fixing the hair washing part (30) on the chair back (20) is arranged between the hair 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).

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