CN215950368U - Sealing mechanism - Google Patents

Abstract

The utility model belongs to the technical field of hair washing machines, and particularly relates to a sealing mechanism. The technical problems that the design is unreasonable and the like in the prior art are solved. The sealing mechanism is connected and sealed between a water tank and a fixed rod of the hair washing machine, and comprises an inclined penetrating hole which is arranged at the inclined bottom of the water tank; the eccentric sealing sleeve is fixed in the inclined penetrating hole, the fixing rod penetrates through the eccentric sealing sleeve in a vertical state, and the eccentric sealing sleeve enables the inclined penetrating hole of the water tank and the fixing rod to be sealed; and the axial anti-falling structure is connected with the eccentric sealing sleeve so as to prevent the eccentric sealing sleeve from axially separating from the inclined penetrating hole. The utility model has the advantages that: further improving the sealing property and the structural stability.

Description

Sealing mechanism

Technical Field

The utility model belongs to the technical field of hair washing machines, and particularly relates to a sealing mechanism.

Background

Automatic hair-washing machine it has improved nursing efficiency.

A hair washing machine includes a sink and a headrest supported in the sink.

Utilize the bracing piece to upwards penetrate the basin from the mount of hair-washing machine, then the headrest is fixed in the top of bracing piece, and it adopts vertical sealing at present bracing piece and basin sealing method, and it has the leakproofness poor and has the demand of treating further improvement of this kind of sealing method.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a water outlet mechanism of a hair washing machine, which can solve the technical problems.

In order to achieve the purpose, the utility model adopts the following technical scheme:

this sealing mechanism connects between basin and the dead lever sealed in the hair-washing machine, sealing mechanism includes:

the inclined penetrating hole is arranged at the inclined bottom of the water tank;

the eccentric sealing sleeve is fixed in the inclined penetrating hole, the fixing rod penetrates through the eccentric sealing sleeve in a vertical state, and the eccentric sealing sleeve enables the inclined penetrating hole of the water tank and the fixing rod to be sealed;

and the axial anti-falling structure is connected with the eccentric sealing sleeve so as to prevent the eccentric sealing sleeve from axially separating from the inclined penetrating hole.

In the sealing mechanism, the axial anti-disengaging structure comprises an upper outer convex part arranged at the upper end of the eccentric sealing sleeve, a locking part is sleeved on the eccentric sealing sleeve, the lower inclined end face of the upper outer convex part is attached to the upper inclined face of the inclined bottom, and the upper end face of the locking part is attached to the lower inclined face of the inclined bottom.

In the above sealing mechanism, the inner wall of the upper outer convex part is provided with at least one sealing groove and a sealing ring arranged in the sealing groove.

In the sealing mechanism, the lower inclined surface of the inclined bottom is connected with an inclined plate, and the upper end surface of the locking piece is attached to the lower surface of the inclined plate.

In the above sealing mechanism, the axis of the inclined penetration hole is perpendicular to the inclined bottom.

In the sealing mechanism, the axial lead of the eccentric sealing sleeve is superposed with the axial lead of the fixing rod.

In the above sealing mechanism, the locking member is a nut with a flange, and the flange of the nut fits against the lower inclined surface of the inclined bottom.

Compared with the prior art, the utility model has the advantages that:

the hole is worn in the slope in coordination with eccentric seal cover and axial anti-disengaging structure, can ensure the leakproofness between basin and the dead lever, can prevent to reveal and so on phenomenon, simultaneously, can also ensure structural strength, and the design is more reasonable.

Drawings

Fig. 1 is a schematic perspective view of a hair washing machine according to the present invention.

Fig. 2 is a schematic structural view of the hair washing machine provided by the utility model.

Fig. 3 is a schematic sectional view taken along line a-a in fig. 2.

Fig. 4 is a schematic sectional view taken along line B-B in fig. 2.

Fig. 5 is a structural schematic diagram of a leveling mechanism provided by the utility model.

Fig. 6 is a schematic structural view of the water outlet mechanism provided by the utility model.

In the figure, a water tank 4, an upper water spray pipe 40, an upper water spray hole 400, a first rotating seat 41, a first driving motor 411, a gear transmission set 410, a lower water spray pipe 42, a lower water spray hole 420, a second rotating seat 421, an inclined penetration hole 43, an eccentric seal sleeve 44, an axial anti-dropping structure 45, an upper outer convex part 450, a locking member 451, a sealing groove 452, a sealing ring 453, a protective cylinder 5, a left headrest rod 50, a right headrest rod 51, a fixing rod 52, a lifting driver 53, an inner sealing ring 54, a housing 6, a positioning notch 60, a neck pillow 61, a cervical vertebra groove 62, an upper U-shaped water retaining part 63, an arc concave surface 630, an arc convex surface, a middle transition surface 632, a lower convex sealing block 64, a front housing 6a, a rear housing 6b, a top housing 6c, a head housing 6d, a leveling plate 1b, an upper contact leveling inclined surface 1c, an inclined plate 1d, a fixing component 1e, a fixing plate body 11e, a transverse strip-shaped hole 12e, Horizontal fixing bolt 13e, water inlet pipe c1, vertical water mixing pipe c2, threaded connector c20, lateral water outlet valve c3, water outlet pump c4, middle transverse pipe c5 and detachable plug c 50.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 3, the hair washing machine includes a hair washing machine anti-overflow structure, which includes:

a fixed bracket 1; the fixed support 1 is a metal frame.

Specifically, the fixing bracket 1 includes a lower plate and a plurality of vertical plates, and an upper plate fixed on top of the vertical plates, wherein an accommodating space is formed between the lower plate and the upper plate to facilitate installation of various components, and the lower plate and the upper plate are parallel to each other.

The heat-preservation bucket is arranged in the accommodating space so as to protect the heat-preservation bucket.

The overflow preventing pipes a1 are vertically distributed and fixed on the fixed bracket 1;

one end of the anti-overflow pipe a1 is connected to the upper end of the sewer pipe of the water tank, and the other end extends upwards to the upper part of the highest water level of the heat-preservation water bucket 2.

By means of the upward extending design of the anti-overflow pipe a1, the anti-overflow pipe can be used for timely reminding the blockage of a sewer pipe so as to dredge the sewer pipe timely, use convenience and use sanitation are improved, and the design is more reasonable.

Specifically, the overflow preventing pipe a1 of the present embodiment includes a lower inclined pipe a10 vertically distributed and a vertical pipe a11 connected to the upper end of the lower inclined pipe a10, and the lower inclined pipe a10 is communicated with the sewer pipe of the water tank.

The design of the lower inclined pipe a10 can facilitate the entrance of the discharged water and the compact design.

The vertical pipe a11 may be conveniently fixed.

Preferably, the lower inclined tube a10 of the present embodiment is a bellows tube. Namely, a corrugated plastic pipe, which can have excellent axial elongation property, can be easily disassembled and assembled to improve assembling efficiency.

The vertical pipe a11 is a plastic hard pipe, and the vertical pipe a11 is fixed on the fixed bracket 1. The vertical pipe a11 can be a transparent pipe or an opaque pipe, and the design of the plastic hard pipe can improve the structural strength, and meanwhile, the lower inclined pipe a10 can be conveniently fixed and supported, and the fixing stability of the lower inclined pipe a10 is ensured.

Preferably, a water level sensor is provided in the vertical pipe a 11. When in actual use, the height of the water level in the vertical pipe a11 can be visually observed, and the height of the water level sensor can be automatically detected to find whether the water is blocked or not in time, so that the design is more humanized.

It belongs to the commodity of water level sensor in this application, and water level sensor and 3 signal connection of control panel can realize the real-time feedback of water level.

Also, the vertical pipe a11 and the lower inclined pipe a10 are screw-coupled. The joint can be prevented from leaking.

In the present embodiment

The water level is monitored by using an anti-overflow pipe a1 connected to the sewer pipe of the water tank, so that the problem that the normal hair washing is influenced because the water level of dirty water after hair washing is continuously increased in the water tank due to blockage is prevented.

Namely, when the sewer pipe of the water tank is blocked, water at the moment can continuously enter the anti-overflow pipe a1, the water level in the anti-overflow pipe a1 is continuously lifted and monitored by the water level sensor, the hair washing machine is stopped by utilizing the feedback of the control circuit board, and then the sewer pipe of the water tank is dredged to ensure that the hair washing sanitation and the hair washing machine are more reasonable in design.

Further, as shown in fig. 1 to 4, the present application provides a rotary water spraying mechanism of a hair washing machine, which is rotatably installed to the water tub 4. Specifically, this hair washing machine rotation water spray mechanism includes:

an upper spray pipe 40 in the shape of a circular arch;

the upper spout 40 is a metal pipe, such as any one of stainless steel and copper pipe, but may be a pipe made of other material.

The upper water spray holes 400 are provided with a plurality of inner arc surfaces arranged on the upper water spray pipe 40; preferably, the inner arc surface of the upper spray pipe 40 is provided with a number of positioning grooves equal to the number of the upper spray holes 400, and the outlets of the upper spray holes 400 are located at the bottoms of the positioning grooves, so that the drilling process of the upper spray holes 400 can be facilitated, and the deviation of the drill bit can be prevented.

The water jets of the upper water jet holes 400 converge toward the top of the head. I.e. focused spray to the top of the human head.

Two first rotating seats 41 are respectively sleeved at two ends of the upper water spraying pipe 40, the first rotating seats 41 are rotatably connected with the wall of the water tank 4, and the upper water spraying holes 400 spray water to the top of the head;

the two ends are rotatably connected, which can ensure the rotational stability of the upper spray pipe.

A first through hole is formed in the wall of the water tank 4, the first rotary base 41 partially extends into the first through hole and the first rotary base 41 are sealed, and of course, a shaft sleeve or a bearing may be disposed therebetween to improve stable rotation performance.

Next, the upper nozzle 40 of the present embodiment rotates around the axis of the first rotating base 41 by less than 120 ° following the first rotating base 41.

In addition, the first rotary base 41 of the present embodiment has a water inlet hole therein, which communicates with the upper spray pipe 40. The water inlet through hole is connected with a first water supply pipe of the heat preservation water barrel, water in the heat preservation water barrel enters the upper water spraying pipe 40 from the first water supply pipe by using the power of the water pump, and meanwhile, any one first rotating seat 41 is connected with the first rotating driving system. The first rotary driving system of the present embodiment includes a first driving motor 411 connected to any one of the first rotary bases 41 through the gear transmission set 410.

The gear transmission set 410 is at least two gears engaged with each other, and of course, in order to ensure the transmission efficiency, the first driving motor may be connected with one of the gears through a belt pulley to realize the output of power.

Secondly, the gear transmission set is installed on the outer wall of the water tank 4. And the first driving motor is arranged at the bottom of the water tank 4 and is positioned below the gear transmission group. In this way it is possible to save installation space and to ensure a service life.

A lower spray pipe 42 having both ends rotatably connected to the water tub 4;

both ends are rotatably connected, which ensures the rotational stability of the lower spray pipe.

The lower orifices 420 are several and are axially distributed discretely along the lower jet 42, and the lower orifices 420 spray water to the hindbrain.

The combined action of the upper spray pipe and the lower spray pipe is utilized, the hair washing efficiency can be improved, and meanwhile, the hair washing is more thorough.

The lower spout 42 of the present embodiment is preferably U-shaped, but may be a straight pipe.

Second rotary seats 421 are installed at two ends of the lower spray pipe 42, a second water inlet hole communicated with the lower spray pipe 42 is formed in any one of the second rotary seats 421, and any one of the second rotary seats 421 is connected with a second rotary driving system. The structure of the second rotation driving system is the same as the structure of the first rotation driving system, and certainly, a second gear meshed with the gear transmission set can be directly connected to any one of the second rotation bases 421, when the gear transmission set rotates, the lower water spraying pipe 42 can be driven to rotate around the axis of the second rotation base 421, and the rotation angle is smaller than 90 degrees, so that water resources are prevented from being wasted due to too large angle.

In addition, the second water inlet hole is connected with the first water supply pipe, so that the cost is reduced.

In the present embodiment

The rotary swing of the lower water spray pipe 42 can clean the hair at the top of the head, and the rotary swing of the lower water spray pipe 42 can clean the hair at the back of the head, so that the efficiency is high and the design is more reasonable.

In order to fully relax the hair washing and improve the hair washing comfort, the embodiment provides a head support mechanism of a hair washing machine, as shown in fig. 1 to 4, the mechanism comprises:

the protective cylinders 5 are vertically distributed;

the protective cylinder 5 is a metal cylinder.

The upper end of the protective cylinder 5 is closed; the upper end is closed to prevent water from entering the protective cylinder 5.

A left headrest rod 50 connected to the upper end of the protective cylinder 5;

a right headrest rod 51 connected to the upper end of the protective cylinder 5;

the left headrest rod 50 and the right headrest rod 51 support both sides of the back of the head.

Preferably, the left and right headrest rods 50 and 51 are each made of a metal tube material. And the left headrest rod 50 and the right headrest rod 51 are distributed in a splayed shape.

The left headrest rod 50 and the right headrest rod 51 are both L-shaped when viewed in a vertical state.

The metal pipe material is bent and formed through a die so as to improve the consistency of products.

Secondly, the lower end of the protective cylinder 5 is provided with an opening, the protective cylinder 5 is sleeved on the lifting driver 53, and the lifting driver 53 is hermetically connected with the protective cylinder 5. The lifting actuator 53 is a cylinder or an oil cylinder, or a linear motor.

That is, the elevating driver 53 drives the protection tube 5 to elevate, so as to adjust the positions of the left headrest rod 50 and the right headrest rod 51, thereby satisfying different users and people with different head circumferences.

The protective cylinder 5 is positioned in the water tank 4, and the upper end of the lifting driver 53 extends into the water tank 4 to support the head.

Preferably, an inner sealing ring 54 is fixed on the inner wall of the lower end of the protection cylinder 5, and the inner sealing ring 54 is sealed with the outer wall of the lifting driver 53. The inner sealing ring 54 prevents water from flowing back into the protective sleeve 5 and thus affecting the service life of the lifting drive 53.

Further, an inner circular groove is formed in the inner wall of the lower end of the protective cylinder 5, and the inner sealing ring 54 is arranged in the inner circular groove to prevent the inner sealing ring 54 from being separated from the inner circular groove.

In order to prevent leakage or overflow, as shown in fig. 1 to 4, the present embodiment provides a cervical vertebrae supporting mechanism of a hair washing machine including a housing 6;

the shell 6 comprises a front shell 6a and a rear shell 6b connected to the rear side of the front shell 6a, the front shell 6a and the rear shell 6b are fixed on the fixed support 1, a top shell 6c is arranged on the top of the front shell 6a and the top of the rear shell 6b, a head cover 6d is hinged on the top shell 6c, and the head cover 6d covers the head cover to start the hair washing operation.

A positioning notch 60 arranged below the rear cervical vertebra of the shell 6 close to the human body platform;

a neck pillow 61 fixed in the positioning notch 60;

the inner sealing structure is arranged on the neck pillow 61 and is attached to the inner wall of one side of the water tank 4 close to the positioning notch 60;

the inner sealing structure can prevent overflow and leakage caused by water level rising after water drainage blockage of the water tank.

A cervical vertebra groove 62 arranged on the neck pillow 61;

an upper convex U-shaped water retaining part 63 which is arranged in the cervical vertebra groove 62 and distributed along the groove width direction of the cervical vertebra groove 62. The water retaining part 63 of the upward convex U shape can prevent the water from flowing back to the back from the cervical vertebra when washing the head.

The inner sealing structure comprises a lower convex sealing block 64 arranged on the inner lower side of the neck pillow 61, the lower convex sealing block 64 is U-shaped and is positioned at a U-shaped opening in the positioning notch 60, and the lower convex sealing block 64 is attached to the inner wall of one side of the water tank close to the positioning notch 60.

The material of the lower convex sealing block 64 is, for example, silicon gel or the like.

Of course, it may also be sealed in hard sealing contact.

Secondly, the inner side of the upper convex U-shaped water retaining part 63 is flush with the side of the neck pillow 61 close to the water tank. This configuration may facilitate the direct flow of water from the inside of the upwardly convex U-shaped water guard 63 into the sink.

In addition, the outer side of the upward convex U-shaped water retaining part 63 is connected with the groove bottom of the cervical vertebra groove 62 through an arc concave surface 630. The cervical vertebra groove 62 is far away from the arc convex surface 631 at one side of the groove length direction of the upper convex U-shaped water retaining part 63, and the arc concave surface 630 and the arc convex surface 631 are smoothly connected through the middle transition surface 632.

The above design of each surface is more in accordance with the ergonomic design.

The neck pillow 61 is made of a plastic material or a flexible material.

As shown in fig. 5, in order to facilitate the installation of the sink and the installation to the set position, the present embodiment further provides a sink leveling mechanism of a hair washing machine, which includes an installation positioning surface at the top of the fixing bracket 1;

the water tank 4 is arranged on the installation positioning surface;

a leveling plate 1b having a triangular shape; the leveling plates 1b are provided with a plurality of blocks which are parallel to each other; the leveling plate 1b is inserted between the installation positioning surface of the fixed support 1 and the bottom of the water tank 4; preferably, the leveling plate 1b of the present embodiment is fixed to the bottom of the water tank 4.

An upper contact leveling inclined plane 1c arranged at the bottom of the water tank 4; of course, the bottom of the water tank 4 is provided with an inclined plate 1d, and the upper side of the inclined plate 1d is provided with a matching inclined plane matched with the upper contact leveling inclined plane 1 c.

The lower inclined surface 1d is arranged on the leveling plate 1b and is matched with the upper contact leveling inclined surface 1 c; the lower inclined surface 1d is matched with the matching inclined surface.

And the horizontal position fixing component 1e is used for fixing the leveling plate 1b on the installation positioning surface after being adjusted to a set position. Specifically, the horizontal position fixing assembly 1e includes a fixing plate 11e fixed on the installation positioning surface, and a position locking structure is provided between the fixing plate 11e and the leveling plate 1 b. Further, the position locking structure comprises at least one transverse strip-shaped hole 12e arranged on the leveling plate 1b, a horizontal fixing bolt 13e inserted into the transverse strip-shaped hole 12e is arranged on the fixing plate body 11e, a nut is arranged on the horizontal fixing bolt 13e, the nut is attached to the leveling plate 1b and indicates that the water tank 4 is locked in place, and the horizontal fixing bolt 13e is located at the transverse strip-shaped hole 12e and raises or lowers the water tank 4 to a corresponding horizontal height position.

The number of the transverse strip-shaped holes 12e is 1-4 and is on the same horizontal plane. For example 2 transverse bar apertures 12e, or 3 transverse bar apertures 12 e.

Also, a housing 6 is provided on the fixing bracket 1, a sink mounting opening is provided at the top of the housing 6, the sink 4 is mounted on the leveling plate 1b from the sink mounting opening, and the notch of the sink 4 and the sink mounting opening are aligned.

And one side surface of the leveling plate 1b far away from the lower inclined surface 1d is a matching plane matched with the installation positioning surface.

In order to ensure the constant temperature and stability of the outlet water, as shown in fig. 6, the present embodiment provides a water outlet mechanism of a hair washing machine, comprising:

a water inlet pipe c1 having a horizontal water inlet and a vertical water outlet;

the lower end of the vertical water mixing pipe c2 is connected with the vertical water outlet, and the upper end is closed;

a plurality of lateral water outlet valves c 3; the side outlet valve c3 is a solenoid valve.

The lateral water outlet valves c3 are fixed on two opposite sides of the vertical water mixing pipe c 2;

and the water outlet pump c4 is connected with the water inlet pipe c 1.

The start-up of outlet water pump c4 then makes the water in inlet tube c1 get into vertical water mixing pipe c2 from down up, then finally follow side direction outlet valve c3 and discharge water, and the water that upwards send of vertical water mixing pipe c2 then can make newly get into water and detain in vertical water mixing pipe c2 mixes, has reduced the play water temperature by a wide margin and has ensured the washing head travelling comfort.

One of the side outlet valves c3 is connected to the upper spout 40 by a first delivery tube, one of the side outlet valves c3 is connected to the lower spout 42 by a second delivery tube, and the other side outlet valve c3 is connected to the spray head by a third delivery tube.

Secondly, the vertical water mixing pipe c2 is connected with the vertical water outlet of the water inlet pipe c1 through a middle transverse pipe c 5. The intermediate transverse tube c5 serves for maintenance and the like. Specifically, one end of the middle transverse pipe c5 is closed, the other end is provided with a detachable plug c50, the vertical water outlet of the water inlet pipe c1 is connected to the middle of the lower side of the middle transverse pipe c5 and communicated with the middle transverse pipe c5, and the upper side of the middle transverse pipe c5 is connected with the lower end of the vertical water mixing pipe c2 and communicated with the lower end of the vertical water mixing pipe c 2.

The removable plug c50 is threadedly attached to the intermediate transverse tube c 5.

Preferably, the vertical water mixing pipe c2 of the present embodiment is a square pipe. And secondly, at least one lateral water outlet valve c3 is respectively connected to two opposite vertical surfaces of the vertical water mixing pipe c 2.

The lateral water outlet valve c3 arranged on one vertical surface of the vertical water mixing pipe c2 and the lateral water outlet valve c3 arranged on the other vertical surface of the vertical water mixing pipe c2 are distributed in pairwise symmetry. Two opposite vertical surfaces of the vertical water mixing pipe c2 are respectively connected with a threaded joint c20, and each threaded joint c20 is in threaded connection with a lateral water outlet valve c 3.

As shown in fig. 3, the hair washing machine further comprises a sealing mechanism, the sealing mechanism is connected and sealed between the water tank 4 of the hair washing machine and the fixing rod 52, the sealing mechanism comprises an inclined penetration hole 43 which is arranged at the inclined bottom of the water tank 4;

the axis of the inclined penetration hole 43 is perpendicular to the inclined bottom.

An eccentric seal housing 44 fixed to the inclined penetration hole 43 and through which the fixing rod 52 penetrates in a vertical state, the eccentric seal housing 44 sealing between the inclined penetration hole 43 of the water tank 4 and the fixing rod 52;

the eccentric seal 44 is made of rubber or the like.

That is, the axis of the inner hole of the eccentric sealing sleeve 44 is coincident with the axis of the fixing rod 52. The axial lead of the outer cylindrical surface of the eccentric sealing sleeve 44 is superposed with the axial lead of the inclined penetrating hole 43.

And an axial separation preventing structure 45 connected to the eccentric sealing sleeve 44 to prevent the eccentric sealing sleeve 44 from being separated from the inclined penetration hole 43 in the axial direction. Not only the sealing property can be further enhanced but also the stability of the connection structure can be ensured.

The inclined penetrating hole 43 cooperates with the eccentric sealing sleeve 44 and the axial anti-falling structure 45, so that the tightness between the water tank and the fixing rod can be ensured, the leakage and other phenomena can be prevented, meanwhile, the structural strength can be ensured, and the design is more reasonable.

Specifically, the axial anti-slip structure 45 of the present embodiment includes an upper outer protrusion 450 disposed at the upper end of the eccentric sealing sleeve 44, a locking member 451 is sleeved on the eccentric sealing sleeve 44, a lower inclined end surface of the upper outer protrusion 450 fits against an upper inclined surface of the inclined bottom, and an upper end surface of the locking member 451 fits against a lower inclined surface of the inclined bottom.

The sealing performance can be further ensured by the fitting of the inclined surface.

At least one sealing groove 452 and a sealing ring 453 disposed in the sealing groove 452 are disposed on an inner wall of the upper male protrusion 450. Preferably, there are two sealing grooves 452, and a sealing ring 453 is disposed in each sealing groove 452, and the sealing groove 452 is in sealing contact with the fixing rod.

The inclined plate 1d is connected to the lower inclined surface of the inclined bottom, and the upper end surface of the locking member 451 is attached to the lower surface of the inclined plate 1 d. Further, the locking member 451 is a flanged nut, and the flange of the nut fits against the lower inclined surface of the inclined bottom.

That is, the locking member 451 and the lower end of the eccentric seal housing 44 are threadedly coupled. The inclined state prevents the locking member 451 from loosening by itself.

The axis of the inclined penetration hole 43 is perpendicular to the inclined bottom.

The axial lead of the eccentric sealing sleeve 44 is coincident with the axial lead of the fixing rod 52.

During assembly, the eccentric sealing sleeve 44 is inserted into the inclined penetrating hole 43, the lower end of the eccentric sealing sleeve 44 at the moment is extended to be below the lower end of the inclined penetrating hole 43, the upper end of the eccentric sealing sleeve 44 is extended to be above the upper end of the inclined penetrating hole 43, then the fixing rod is inserted into the eccentric sealing sleeve 44, and finally the upper outer convex part 450 and the locking part 451 are used for axial locking.

Example two

The structure and principle of the present embodiment are basically the same as those of the first embodiment, and the different structure is as follows: one end of the anti-overflow pipe a1 is connected to the middle part of the sewer pipe of the water tank.

EXAMPLE III

The structure and principle of the present embodiment are basically the same as those of the first embodiment, and the different structure is as follows: one end of the anti-overflow pipe a1 is connected to the lower end of the sewer pipe of the water tank.

Example four

The structure and principle of the present embodiment are basically the same as those of the first embodiment, and the different structure is as follows: as shown in fig. 5, the lower end of the protective cylinder 5 is fixed on the top of the fixing rod 52.

EXAMPLE five

Based on the first embodiment, as shown in fig. 1, the present embodiment provides a hair washing machine having the cervical spine support mechanism of the hair washing machine as described in the first embodiment.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (7)

1. Sealing mechanism, connect and seal between basin (4) and dead lever (52) of hair-washing machine, its characterized in that, sealing mechanism includes:

an inclined penetration hole (43) provided in the inclined bottom of the water tank (4);

the eccentric sealing sleeve (44) is fixed in the inclined penetrating hole (43), the fixing rod (52) penetrates through the eccentric sealing sleeve (44) in a vertical state, and the eccentric sealing sleeve (44) seals the inclined penetrating hole (43) of the water tank (4) and the fixing rod (52);

and an axial anti-dropping structure (45) connected to the eccentric sealing sleeve (44) so as to prevent the eccentric sealing sleeve (44) from being separated from the axial direction of the inclined penetrating hole (43).

2. The sealing mechanism as claimed in claim 1, wherein the axial anti-dropping structure (45) comprises an upper outer protrusion (450) arranged at the upper end of the eccentric sealing sleeve (44), a locking member (451) is sleeved on the eccentric sealing sleeve (44), the lower inclined end surface of the upper outer protrusion (450) fits against the upper inclined surface of the inclined bottom, and the upper end surface of the locking member (451) fits against the lower inclined surface of the inclined bottom.

3. The seal mechanism of claim 2, wherein the inner wall of the upper male portion (450) is provided with at least one seal groove (452) and a seal ring (453) disposed in the seal groove (452).

4. The sealing mechanism according to claim 2, wherein an inclined plate (1 d) is attached to a lower inclined surface of the inclined bottom, and an upper end surface of the locker (451) is fitted to a lower surface of the inclined plate (1 d).

5. A sealing mechanism according to claim 1, characterized in that the axis of the inclined through hole (43) is perpendicular to the inclined bottom.

6. A sealing mechanism as claimed in claim 1, characterised in that the axial centre line of the eccentric sealing sleeve (44) and the axial centre line of the fixing rod (52) coincide.

7. A sealing mechanism according to claim 2, characterized in that the locking element (451) is a flanged nut, the flange of which fits against the lower inclined surface of the inclined bottom.

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